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7645 lines
396 KiB
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<!--#include virtual="../menu.html.incl"-->
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<div id="content">
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<h1>AST Matcher Reference</h1>
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<p>This document shows all currently implemented matchers. The matchers are grouped
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by category and node type they match. You can click on matcher names to show the
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matcher's source documentation.</p>
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<p>There are three different basic categories of matchers:
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<ul>
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<li><a href="#decl-matchers">Node Matchers:</a> Matchers that match a specific type of AST node.</li>
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<li><a href="#narrowing-matchers">Narrowing Matchers:</a> Matchers that match attributes on AST nodes.</li>
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<li><a href="#traversal-matchers">Traversal Matchers:</a> Matchers that allow traversal between AST nodes.</li>
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</ul>
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</p>
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<p>Within each category the matchers are ordered by node type they match on.
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Note that if a matcher can match multiple node types, it will appear
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multiple times. This means that by searching for Matcher<Stmt> you can
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find all matchers that can be used to match on Stmt nodes.</p>
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<p>The exception to that rule are matchers that can match on any node. Those
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are marked with a * and are listed in the beginning of each category.</p>
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<p>Note that the categorization of matchers is a great help when you combine
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them into matcher expressions. You will usually want to form matcher expressions
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that read like english sentences by alternating between node matchers and
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narrowing or traversal matchers, like this:
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<pre>
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recordDecl(hasDescendant(
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ifStmt(hasTrueExpression(
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expr(hasDescendant(
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ifStmt()))))))
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</pre>
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</p>
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<!-- ======================================================================= -->
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<h2 id="decl-matchers">Node Matchers</h2>
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<!-- ======================================================================= -->
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<p>Node matchers are at the core of matcher expressions - they specify the type
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of node that is expected. Every match expression starts with a node matcher,
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which can then be further refined with a narrowing or traversal matcher. All
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traversal matchers take node matchers as their arguments.</p>
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<p>For convenience, all node matchers take an arbitrary number of arguments
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and implicitly act as allOf matchers.</p>
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<p>Node matchers are the only matchers that support the bind("id") call to
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bind the matched node to the given string, to be later retrieved from the
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match callback.</p>
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<p>It is important to remember that the arguments to node matchers are
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predicates on the same node, just with additional information about the type.
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This is often useful to make matcher expression more readable by inlining bind
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calls into redundant node matchers inside another node matcher:
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<pre>
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// This binds the CXXRecordDecl to "id", as the decl() matcher will stay on
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// the same node.
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recordDecl(decl().bind("id"), hasName("::MyClass"))
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</pre>
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</p>
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<table>
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<tr style="text-align:left"><th>Return type</th><th>Name</th><th>Parameters</th></tr>
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<!-- START_DECL_MATCHERS -->
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<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXCtorInitializer.html">CXXCtorInitializer</a>></td><td class="name" onclick="toggle('cxxCtorInitializer0')"><a name="cxxCtorInitializer0Anchor">cxxCtorInitializer</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXCtorInitializer.html">CXXCtorInitializer</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="cxxCtorInitializer0"><pre>Matches constructor initializers.
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Examples matches i(42).
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class C {
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C() : i(42) {}
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int i;
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};
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</pre></td></tr>
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<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('accessSpecDecl0')"><a name="accessSpecDecl0Anchor">accessSpecDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1AccessSpecDecl.html">AccessSpecDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="accessSpecDecl0"><pre>Matches C++ access specifier declarations.
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Given
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class C {
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public:
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int a;
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};
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accessSpecDecl()
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matches 'public:'
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</pre></td></tr>
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<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('blockDecl0')"><a name="blockDecl0Anchor">blockDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1BlockDecl.html">BlockDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="blockDecl0"><pre>Matches block declarations.
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Example matches the declaration of the nameless block printing an input
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integer.
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myFunc(^(int p) {
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printf("%d", p);
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})
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</pre></td></tr>
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<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('classTemplateDecl0')"><a name="classTemplateDecl0Anchor">classTemplateDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ClassTemplateDecl.html">ClassTemplateDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="classTemplateDecl0"><pre>Matches C++ class template declarations.
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Example matches Z
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template<class T> class Z {};
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</pre></td></tr>
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<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('classTemplatePartialSpecializationDecl0')"><a name="classTemplatePartialSpecializationDecl0Anchor">classTemplatePartialSpecializationDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ClassTemplatePartialSpecializationDecl.html">ClassTemplatePartialSpecializationDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="classTemplatePartialSpecializationDecl0"><pre>Matches C++ class template partial specializations.
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Given
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template<class T1, class T2, int I>
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class A {};
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template<class T, int I>
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class A<T, T*, I> {};
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template<>
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class A<int, int, 1> {};
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classTemplatePartialSpecializationDecl()
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matches the specialization A<T,T*,I> but not A<int,int,1>
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</pre></td></tr>
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<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('classTemplateSpecializationDecl0')"><a name="classTemplateSpecializationDecl0Anchor">classTemplateSpecializationDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ClassTemplateSpecializationDecl.html">ClassTemplateSpecializationDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="classTemplateSpecializationDecl0"><pre>Matches C++ class template specializations.
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Given
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template<typename T> class A {};
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template<> class A<double> {};
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A<int> a;
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classTemplateSpecializationDecl()
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matches the specializations A<int> and A<double>
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</pre></td></tr>
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<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('cxxConstructorDecl0')"><a name="cxxConstructorDecl0Anchor">cxxConstructorDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstructorDecl.html">CXXConstructorDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="cxxConstructorDecl0"><pre>Matches C++ constructor declarations.
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Example matches Foo::Foo() and Foo::Foo(int)
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class Foo {
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public:
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Foo();
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Foo(int);
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int DoSomething();
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};
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</pre></td></tr>
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<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('cxxConversionDecl0')"><a name="cxxConversionDecl0Anchor">cxxConversionDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConversionDecl.html">CXXConversionDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="cxxConversionDecl0"><pre>Matches conversion operator declarations.
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Example matches the operator.
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class X { operator int() const; };
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</pre></td></tr>
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<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('cxxDeductionGuideDecl0')"><a name="cxxDeductionGuideDecl0Anchor">cxxDeductionGuideDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXDeductionGuideDecl.html">CXXDeductionGuideDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="cxxDeductionGuideDecl0"><pre>Matches user-defined and implicitly generated deduction guide.
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Example matches the deduction guide.
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template<typename T>
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class X { X(int) };
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X(int) -> X<int>;
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</pre></td></tr>
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<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('cxxDestructorDecl0')"><a name="cxxDestructorDecl0Anchor">cxxDestructorDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXDestructorDecl.html">CXXDestructorDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="cxxDestructorDecl0"><pre>Matches explicit C++ destructor declarations.
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Example matches Foo::~Foo()
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class Foo {
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public:
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virtual ~Foo();
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};
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</pre></td></tr>
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<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('cxxMethodDecl0')"><a name="cxxMethodDecl0Anchor">cxxMethodDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="cxxMethodDecl0"><pre>Matches method declarations.
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Example matches y
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class X { void y(); };
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</pre></td></tr>
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<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('cxxRecordDecl0')"><a name="cxxRecordDecl0Anchor">cxxRecordDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="cxxRecordDecl0"><pre>Matches C++ class declarations.
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Example matches X, Z
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class X;
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template<class T> class Z {};
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</pre></td></tr>
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<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('decl0')"><a name="decl0Anchor">decl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="decl0"><pre>Matches declarations.
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Examples matches X, C, and the friend declaration inside C;
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void X();
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class C {
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friend X;
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};
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</pre></td></tr>
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<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('declaratorDecl0')"><a name="declaratorDecl0Anchor">declaratorDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DeclaratorDecl.html">DeclaratorDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="declaratorDecl0"><pre>Matches declarator declarations (field, variable, function
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and non-type template parameter declarations).
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Given
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class X { int y; };
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declaratorDecl()
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matches int y.
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</pre></td></tr>
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<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('enumConstantDecl0')"><a name="enumConstantDecl0Anchor">enumConstantDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1EnumConstantDecl.html">EnumConstantDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="enumConstantDecl0"><pre>Matches enum constants.
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Example matches A, B, C
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enum X {
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A, B, C
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};
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</pre></td></tr>
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<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('enumDecl0')"><a name="enumDecl0Anchor">enumDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1EnumDecl.html">EnumDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="enumDecl0"><pre>Matches enum declarations.
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Example matches X
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enum X {
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A, B, C
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};
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</pre></td></tr>
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<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('fieldDecl0')"><a name="fieldDecl0Anchor">fieldDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FieldDecl.html">FieldDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="fieldDecl0"><pre>Matches field declarations.
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Given
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class X { int m; };
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fieldDecl()
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matches 'm'.
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</pre></td></tr>
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<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('friendDecl0')"><a name="friendDecl0Anchor">friendDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FriendDecl.html">FriendDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="friendDecl0"><pre>Matches friend declarations.
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Given
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class X { friend void foo(); };
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friendDecl()
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matches 'friend void foo()'.
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</pre></td></tr>
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<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('functionDecl0')"><a name="functionDecl0Anchor">functionDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="functionDecl0"><pre>Matches function declarations.
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Example matches f
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void f();
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</pre></td></tr>
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<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('functionTemplateDecl0')"><a name="functionTemplateDecl0Anchor">functionTemplateDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionTemplateDecl.html">FunctionTemplateDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="functionTemplateDecl0"><pre>Matches C++ function template declarations.
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Example matches f
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template<class T> void f(T t) {}
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</pre></td></tr>
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<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('indirectFieldDecl0')"><a name="indirectFieldDecl0Anchor">indirectFieldDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1IndirectFieldDecl.html">IndirectFieldDecl</a>>...</td></tr>
|
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<tr><td colspan="4" class="doc" id="indirectFieldDecl0"><pre>Matches indirect field declarations.
|
|
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|
Given
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struct X { struct { int a; }; };
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indirectFieldDecl()
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|
matches 'a'.
|
|
</pre></td></tr>
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|
|
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<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('labelDecl0')"><a name="labelDecl0Anchor">labelDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1LabelDecl.html">LabelDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="labelDecl0"><pre>Matches a declaration of label.
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Given
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|
goto FOO;
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FOO: bar();
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labelDecl()
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|
matches 'FOO:'
|
|
</pre></td></tr>
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|
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<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('linkageSpecDecl0')"><a name="linkageSpecDecl0Anchor">linkageSpecDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1LinkageSpecDecl.html">LinkageSpecDecl</a>>...</td></tr>
|
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<tr><td colspan="4" class="doc" id="linkageSpecDecl0"><pre>Matches a declaration of a linkage specification.
|
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|
Given
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extern "C" {}
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linkageSpecDecl()
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|
matches "extern "C" {}"
|
|
</pre></td></tr>
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<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('namedDecl0')"><a name="namedDecl0Anchor">namedDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NamedDecl.html">NamedDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="namedDecl0"><pre>Matches a declaration of anything that could have a name.
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|
Example matches X, S, the anonymous union type, i, and U;
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typedef int X;
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struct S {
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union {
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int i;
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} U;
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};
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</pre></td></tr>
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<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('namespaceAliasDecl0')"><a name="namespaceAliasDecl0Anchor">namespaceAliasDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NamespaceAliasDecl.html">NamespaceAliasDecl</a>>...</td></tr>
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|
<tr><td colspan="4" class="doc" id="namespaceAliasDecl0"><pre>Matches a declaration of a namespace alias.
|
|
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|
Given
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|
namespace test {}
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namespace alias = ::test;
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namespaceAliasDecl()
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|
matches "namespace alias" but not "namespace test"
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|
</pre></td></tr>
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|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('namespaceDecl0')"><a name="namespaceDecl0Anchor">namespaceDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NamespaceDecl.html">NamespaceDecl</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="namespaceDecl0"><pre>Matches a declaration of a namespace.
|
|
|
|
Given
|
|
namespace {}
|
|
namespace test {}
|
|
namespaceDecl()
|
|
matches "namespace {}" and "namespace test {}"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('nonTypeTemplateParmDecl0')"><a name="nonTypeTemplateParmDecl0Anchor">nonTypeTemplateParmDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NonTypeTemplateParmDecl.html">NonTypeTemplateParmDecl</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="nonTypeTemplateParmDecl0"><pre>Matches non-type template parameter declarations.
|
|
|
|
Given
|
|
template <typename T, int N> struct C {};
|
|
nonTypeTemplateParmDecl()
|
|
matches 'N', but not 'T'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('objcCategoryDecl0')"><a name="objcCategoryDecl0Anchor">objcCategoryDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCCategoryDecl.html">ObjCCategoryDecl</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="objcCategoryDecl0"><pre>Matches Objective-C category declarations.
|
|
|
|
Example matches Foo (Additions)
|
|
@interface Foo (Additions)
|
|
@end
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('objcCategoryImplDecl0')"><a name="objcCategoryImplDecl0Anchor">objcCategoryImplDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCCategoryImplDecl.html">ObjCCategoryImplDecl</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="objcCategoryImplDecl0"><pre>Matches Objective-C category definitions.
|
|
|
|
Example matches Foo (Additions)
|
|
@implementation Foo (Additions)
|
|
@end
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('objcImplementationDecl0')"><a name="objcImplementationDecl0Anchor">objcImplementationDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCImplementationDecl.html">ObjCImplementationDecl</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="objcImplementationDecl0"><pre>Matches Objective-C implementation declarations.
|
|
|
|
Example matches Foo
|
|
@implementation Foo
|
|
@end
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('objcInterfaceDecl0')"><a name="objcInterfaceDecl0Anchor">objcInterfaceDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCInterfaceDecl.html">ObjCInterfaceDecl</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="objcInterfaceDecl0"><pre>Matches Objective-C interface declarations.
|
|
|
|
Example matches Foo
|
|
@interface Foo
|
|
@end
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('objcIvarDecl0')"><a name="objcIvarDecl0Anchor">objcIvarDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCIvarDecl.html">ObjCIvarDecl</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="objcIvarDecl0"><pre>Matches Objective-C instance variable declarations.
|
|
|
|
Example matches _enabled
|
|
@implementation Foo {
|
|
BOOL _enabled;
|
|
}
|
|
@end
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('objcMethodDecl0')"><a name="objcMethodDecl0Anchor">objcMethodDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCMethodDecl.html">ObjCMethodDecl</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="objcMethodDecl0"><pre>Matches Objective-C method declarations.
|
|
|
|
Example matches both declaration and definition of -[Foo method]
|
|
@interface Foo
|
|
- (void)method;
|
|
@end
|
|
|
|
@implementation Foo
|
|
- (void)method {}
|
|
@end
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('objcPropertyDecl0')"><a name="objcPropertyDecl0Anchor">objcPropertyDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCPropertyDecl.html">ObjCPropertyDecl</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="objcPropertyDecl0"><pre>Matches Objective-C property declarations.
|
|
|
|
Example matches enabled
|
|
@interface Foo
|
|
@property BOOL enabled;
|
|
@end
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('objcProtocolDecl0')"><a name="objcProtocolDecl0Anchor">objcProtocolDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCProtocolDecl.html">ObjCProtocolDecl</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="objcProtocolDecl0"><pre>Matches Objective-C protocol declarations.
|
|
|
|
Example matches FooDelegate
|
|
@protocol FooDelegate
|
|
@end
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('parmVarDecl0')"><a name="parmVarDecl0Anchor">parmVarDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ParmVarDecl.html">ParmVarDecl</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="parmVarDecl0"><pre>Matches parameter variable declarations.
|
|
|
|
Given
|
|
void f(int x);
|
|
parmVarDecl()
|
|
matches int x.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('recordDecl0')"><a name="recordDecl0Anchor">recordDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1RecordDecl.html">RecordDecl</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="recordDecl0"><pre>Matches class, struct, and union declarations.
|
|
|
|
Example matches X, Z, U, and S
|
|
class X;
|
|
template<class T> class Z {};
|
|
struct S {};
|
|
union U {};
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('staticAssertDecl0')"><a name="staticAssertDecl0Anchor">staticAssertDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1StaticAssertDecl.html">StaticAssertDecl</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="staticAssertDecl0"><pre>Matches a C++ static_assert declaration.
|
|
|
|
Example:
|
|
staticAssertExpr()
|
|
matches
|
|
static_assert(sizeof(S) == sizeof(int))
|
|
in
|
|
struct S {
|
|
int x;
|
|
};
|
|
static_assert(sizeof(S) == sizeof(int));
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('tagDecl0')"><a name="tagDecl0Anchor">tagDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TagDecl.html">TagDecl</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="tagDecl0"><pre>Matches tag declarations.
|
|
|
|
Example matches X, Z, U, S, E
|
|
class X;
|
|
template<class T> class Z {};
|
|
struct S {};
|
|
union U {};
|
|
enum E {
|
|
A, B, C
|
|
};
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('templateTypeParmDecl0')"><a name="templateTypeParmDecl0Anchor">templateTypeParmDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmDecl.html">TemplateTypeParmDecl</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="templateTypeParmDecl0"><pre>Matches template type parameter declarations.
|
|
|
|
Given
|
|
template <typename T, int N> struct C {};
|
|
templateTypeParmDecl()
|
|
matches 'T', but not 'N'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('translationUnitDecl0')"><a name="translationUnitDecl0Anchor">translationUnitDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TranslationUnitDecl.html">TranslationUnitDecl</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="translationUnitDecl0"><pre>Matches the top declaration context.
|
|
|
|
Given
|
|
int X;
|
|
namespace NS {
|
|
int Y;
|
|
} // namespace NS
|
|
decl(hasDeclContext(translationUnitDecl()))
|
|
matches "int X", but not "int Y".
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('typeAliasDecl0')"><a name="typeAliasDecl0Anchor">typeAliasDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypeAliasDecl.html">TypeAliasDecl</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="typeAliasDecl0"><pre>Matches type alias declarations.
|
|
|
|
Given
|
|
typedef int X;
|
|
using Y = int;
|
|
typeAliasDecl()
|
|
matches "using Y = int", but not "typedef int X"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('typeAliasTemplateDecl0')"><a name="typeAliasTemplateDecl0Anchor">typeAliasTemplateDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypeAliasTemplateDecl.html">TypeAliasTemplateDecl</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="typeAliasTemplateDecl0"><pre>Matches type alias template declarations.
|
|
|
|
typeAliasTemplateDecl() matches
|
|
template <typename T>
|
|
using Y = X<T>;
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('typedefDecl0')"><a name="typedefDecl0Anchor">typedefDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypedefDecl.html">TypedefDecl</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="typedefDecl0"><pre>Matches typedef declarations.
|
|
|
|
Given
|
|
typedef int X;
|
|
using Y = int;
|
|
typedefDecl()
|
|
matches "typedef int X", but not "using Y = int"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('typedefNameDecl0')"><a name="typedefNameDecl0Anchor">typedefNameDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypedefNameDecl.html">TypedefNameDecl</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="typedefNameDecl0"><pre>Matches typedef name declarations.
|
|
|
|
Given
|
|
typedef int X;
|
|
using Y = int;
|
|
typedefNameDecl()
|
|
matches "typedef int X" and "using Y = int"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('unresolvedUsingTypenameDecl0')"><a name="unresolvedUsingTypenameDecl0Anchor">unresolvedUsingTypenameDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingTypenameDecl.html">UnresolvedUsingTypenameDecl</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="unresolvedUsingTypenameDecl0"><pre>Matches unresolved using value declarations that involve the
|
|
typename.
|
|
|
|
Given
|
|
template <typename T>
|
|
struct Base { typedef T Foo; };
|
|
|
|
template<typename T>
|
|
struct S : private Base<T> {
|
|
using typename Base<T>::Foo;
|
|
};
|
|
unresolvedUsingTypenameDecl()
|
|
matches using Base<T>::Foo </pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('unresolvedUsingValueDecl0')"><a name="unresolvedUsingValueDecl0Anchor">unresolvedUsingValueDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingValueDecl.html">UnresolvedUsingValueDecl</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="unresolvedUsingValueDecl0"><pre>Matches unresolved using value declarations.
|
|
|
|
Given
|
|
template<typename X>
|
|
class C : private X {
|
|
using X::x;
|
|
};
|
|
unresolvedUsingValueDecl()
|
|
matches using X::x </pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('usingDecl0')"><a name="usingDecl0Anchor">usingDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UsingDecl.html">UsingDecl</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="usingDecl0"><pre>Matches using declarations.
|
|
|
|
Given
|
|
namespace X { int x; }
|
|
using X::x;
|
|
usingDecl()
|
|
matches using X::x </pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('usingDirectiveDecl0')"><a name="usingDirectiveDecl0Anchor">usingDirectiveDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UsingDirectiveDecl.html">UsingDirectiveDecl</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="usingDirectiveDecl0"><pre>Matches using namespace declarations.
|
|
|
|
Given
|
|
namespace X { int x; }
|
|
using namespace X;
|
|
usingDirectiveDecl()
|
|
matches using namespace X </pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('valueDecl0')"><a name="valueDecl0Anchor">valueDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ValueDecl.html">ValueDecl</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="valueDecl0"><pre>Matches any value declaration.
|
|
|
|
Example matches A, B, C and F
|
|
enum X { A, B, C };
|
|
void F();
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('varDecl0')"><a name="varDecl0Anchor">varDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="varDecl0"><pre>Matches variable declarations.
|
|
|
|
Note: this does not match declarations of member variables, which are
|
|
"field" declarations in Clang parlance.
|
|
|
|
Example matches a
|
|
int a;
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifierLoc.html">NestedNameSpecifierLoc</a>></td><td class="name" onclick="toggle('nestedNameSpecifierLoc0')"><a name="nestedNameSpecifierLoc0Anchor">nestedNameSpecifierLoc</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifierLoc.html">NestedNameSpecifierLoc</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="nestedNameSpecifierLoc0"><pre>Same as nestedNameSpecifier but matches NestedNameSpecifierLoc.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifier.html">NestedNameSpecifier</a>></td><td class="name" onclick="toggle('nestedNameSpecifier0')"><a name="nestedNameSpecifier0Anchor">nestedNameSpecifier</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifier.html">NestedNameSpecifier</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="nestedNameSpecifier0"><pre>Matches nested name specifiers.
|
|
|
|
Given
|
|
namespace ns {
|
|
struct A { static void f(); };
|
|
void A::f() {}
|
|
void g() { A::f(); }
|
|
}
|
|
ns::A a;
|
|
nestedNameSpecifier()
|
|
matches "ns::" and both "A::"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1OMPClause.html">OMPClause</a>></td><td class="name" onclick="toggle('ompDefaultClause0')"><a name="ompDefaultClause0Anchor">ompDefaultClause</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1OMPDefaultClause.html">OMPDefaultClause</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="ompDefaultClause0"><pre>Matches OpenMP ``default`` clause.
|
|
|
|
Given
|
|
|
|
#pragma omp parallel default(none)
|
|
#pragma omp parallel default(shared)
|
|
#pragma omp parallel
|
|
|
|
``ompDefaultClause()`` matches ``default(none)`` and ``default(shared)``.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>></td><td class="name" onclick="toggle('qualType0')"><a name="qualType0Anchor">qualType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="qualType0"><pre>Matches QualTypes in the clang AST.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('addrLabelExpr0')"><a name="addrLabelExpr0Anchor">addrLabelExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="addrLabelExpr0"><pre>Matches address of label statements (GNU extension).
|
|
|
|
Given
|
|
FOO: bar();
|
|
void *ptr = &&FOO;
|
|
goto *bar;
|
|
addrLabelExpr()
|
|
matches '&&FOO'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('arraySubscriptExpr0')"><a name="arraySubscriptExpr0Anchor">arraySubscriptExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ArraySubscriptExpr.html">ArraySubscriptExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="arraySubscriptExpr0"><pre>Matches array subscript expressions.
|
|
|
|
Given
|
|
int i = a[1];
|
|
arraySubscriptExpr()
|
|
matches "a[1]"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('asmStmt0')"><a name="asmStmt0Anchor">asmStmt</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1AsmStmt.html">AsmStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="asmStmt0"><pre>Matches asm statements.
|
|
|
|
int i = 100;
|
|
__asm("mov al, 2");
|
|
asmStmt()
|
|
matches '__asm("mov al, 2")'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('atomicExpr0')"><a name="atomicExpr0Anchor">atomicExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1AtomicExpr.html">AtomicExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="atomicExpr0"><pre>Matches atomic builtins.
|
|
Example matches __atomic_load_n(ptr, 1)
|
|
void foo() { int *ptr; __atomic_load_n(ptr, 1); }
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('autoreleasePoolStmt0')"><a name="autoreleasePoolStmt0Anchor">autoreleasePoolStmt</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCAutoreleasePoolStmt.html">ObjCAutoreleasePoolStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="autoreleasePoolStmt0"><pre>Matches an Objective-C autorelease pool statement.
|
|
|
|
Given
|
|
@autoreleasepool {
|
|
int x = 0;
|
|
}
|
|
autoreleasePoolStmt(stmt()) matches the declaration of "x"
|
|
inside the autorelease pool.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('binaryConditionalOperator0')"><a name="binaryConditionalOperator0Anchor">binaryConditionalOperator</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1BinaryConditionalOperator.html">BinaryConditionalOperator</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="binaryConditionalOperator0"><pre>Matches binary conditional operator expressions (GNU extension).
|
|
|
|
Example matches a ?: b
|
|
(a ?: b) + 42;
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('binaryOperator0')"><a name="binaryOperator0Anchor">binaryOperator</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1BinaryOperator.html">BinaryOperator</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="binaryOperator0"><pre>Matches binary operator expressions.
|
|
|
|
Example matches a || b
|
|
!(a || b)
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('blockExpr0')"><a name="blockExpr0Anchor">blockExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1BlockExpr.html">BlockExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="blockExpr0"><pre>Matches a reference to a block.
|
|
|
|
Example: matches "^{}":
|
|
void f() { ^{}(); }
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('breakStmt0')"><a name="breakStmt0Anchor">breakStmt</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1BreakStmt.html">BreakStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="breakStmt0"><pre>Matches break statements.
|
|
|
|
Given
|
|
while (true) { break; }
|
|
breakStmt()
|
|
matches 'break'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('cStyleCastExpr0')"><a name="cStyleCastExpr0Anchor">cStyleCastExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CStyleCastExpr.html">CStyleCastExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="cStyleCastExpr0"><pre>Matches a C-style cast expression.
|
|
|
|
Example: Matches (int) 2.2f in
|
|
int i = (int) 2.2f;
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('callExpr0')"><a name="callExpr0Anchor">callExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="callExpr0"><pre>Matches call expressions.
|
|
|
|
Example matches x.y() and y()
|
|
X x;
|
|
x.y();
|
|
y();
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('caseStmt0')"><a name="caseStmt0Anchor">caseStmt</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CaseStmt.html">CaseStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="caseStmt0"><pre>Matches case statements inside switch statements.
|
|
|
|
Given
|
|
switch(a) { case 42: break; default: break; }
|
|
caseStmt()
|
|
matches 'case 42:'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('castExpr0')"><a name="castExpr0Anchor">castExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CastExpr.html">CastExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="castExpr0"><pre>Matches any cast nodes of Clang's AST.
|
|
|
|
Example: castExpr() matches each of the following:
|
|
(int) 3;
|
|
const_cast<Expr *>(SubExpr);
|
|
char c = 0;
|
|
but does not match
|
|
int i = (0);
|
|
int k = 0;
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('characterLiteral0')"><a name="characterLiteral0Anchor">characterLiteral</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CharacterLiteral.html">CharacterLiteral</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="characterLiteral0"><pre>Matches character literals (also matches wchar_t).
|
|
|
|
Not matching Hex-encoded chars (e.g. 0x1234, which is a IntegerLiteral),
|
|
though.
|
|
|
|
Example matches 'a', L'a'
|
|
char ch = 'a';
|
|
wchar_t chw = L'a';
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('chooseExpr0')"><a name="chooseExpr0Anchor">chooseExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ChooseExpr.html">ChooseExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="chooseExpr0"><pre>Matches GNU __builtin_choose_expr.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('compoundLiteralExpr0')"><a name="compoundLiteralExpr0Anchor">compoundLiteralExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CompoundLiteralExpr.html">CompoundLiteralExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="compoundLiteralExpr0"><pre>Matches compound (i.e. non-scalar) literals
|
|
|
|
Example match: {1}, (1, 2)
|
|
int array[4] = {1};
|
|
vector int myvec = (vector int)(1, 2);
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('compoundStmt0')"><a name="compoundStmt0Anchor">compoundStmt</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CompoundStmt.html">CompoundStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="compoundStmt0"><pre>Matches compound statements.
|
|
|
|
Example matches '{}' and '{{}}' in 'for (;;) {{}}'
|
|
for (;;) {{}}
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('conditionalOperator0')"><a name="conditionalOperator0Anchor">conditionalOperator</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ConditionalOperator.html">ConditionalOperator</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="conditionalOperator0"><pre>Matches conditional operator expressions.
|
|
|
|
Example matches a ? b : c
|
|
(a ? b : c) + 42
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('constantExpr0')"><a name="constantExpr0Anchor">constantExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ConstantExpr.html">ConstantExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="constantExpr0"><pre>Matches a constant expression wrapper.
|
|
|
|
Example matches the constant in the case statement:
|
|
(matcher = constantExpr())
|
|
switch (a) {
|
|
case 37: break;
|
|
}
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('continueStmt0')"><a name="continueStmt0Anchor">continueStmt</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ContinueStmt.html">ContinueStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="continueStmt0"><pre>Matches continue statements.
|
|
|
|
Given
|
|
while (true) { continue; }
|
|
continueStmt()
|
|
matches 'continue'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('cudaKernelCallExpr0')"><a name="cudaKernelCallExpr0Anchor">cudaKernelCallExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CUDAKernelCallExpr.html">CUDAKernelCallExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="cudaKernelCallExpr0"><pre>Matches CUDA kernel call expression.
|
|
|
|
Example matches,
|
|
kernel<<<i,j>>>();
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('cxxBindTemporaryExpr0')"><a name="cxxBindTemporaryExpr0Anchor">cxxBindTemporaryExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXBindTemporaryExpr.html">CXXBindTemporaryExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="cxxBindTemporaryExpr0"><pre>Matches nodes where temporaries are created.
|
|
|
|
Example matches FunctionTakesString(GetStringByValue())
|
|
(matcher = cxxBindTemporaryExpr())
|
|
FunctionTakesString(GetStringByValue());
|
|
FunctionTakesStringByPointer(GetStringPointer());
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('cxxBoolLiteral0')"><a name="cxxBoolLiteral0Anchor">cxxBoolLiteral</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXBoolLiteralExpr.html">CXXBoolLiteralExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="cxxBoolLiteral0"><pre>Matches bool literals.
|
|
|
|
Example matches true
|
|
true
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('cxxCatchStmt0')"><a name="cxxCatchStmt0Anchor">cxxCatchStmt</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXCatchStmt.html">CXXCatchStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="cxxCatchStmt0"><pre>Matches catch statements.
|
|
|
|
try {} catch(int i) {}
|
|
cxxCatchStmt()
|
|
matches 'catch(int i)'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('cxxConstCastExpr0')"><a name="cxxConstCastExpr0Anchor">cxxConstCastExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstCastExpr.html">CXXConstCastExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="cxxConstCastExpr0"><pre>Matches a const_cast expression.
|
|
|
|
Example: Matches const_cast<int*>(&r) in
|
|
int n = 42;
|
|
const int &r(n);
|
|
int* p = const_cast<int*>(&r);
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('cxxConstructExpr0')"><a name="cxxConstructExpr0Anchor">cxxConstructExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="cxxConstructExpr0"><pre>Matches constructor call expressions (including implicit ones).
|
|
|
|
Example matches string(ptr, n) and ptr within arguments of f
|
|
(matcher = cxxConstructExpr())
|
|
void f(const string &a, const string &b);
|
|
char *ptr;
|
|
int n;
|
|
f(string(ptr, n), ptr);
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('cxxDefaultArgExpr0')"><a name="cxxDefaultArgExpr0Anchor">cxxDefaultArgExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXDefaultArgExpr.html">CXXDefaultArgExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="cxxDefaultArgExpr0"><pre>Matches the value of a default argument at the call site.
|
|
|
|
Example matches the CXXDefaultArgExpr placeholder inserted for the
|
|
default value of the second parameter in the call expression f(42)
|
|
(matcher = cxxDefaultArgExpr())
|
|
void f(int x, int y = 0);
|
|
f(42);
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('cxxDeleteExpr0')"><a name="cxxDeleteExpr0Anchor">cxxDeleteExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXDeleteExpr.html">CXXDeleteExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="cxxDeleteExpr0"><pre>Matches delete expressions.
|
|
|
|
Given
|
|
delete X;
|
|
cxxDeleteExpr()
|
|
matches 'delete X'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('cxxDependentScopeMemberExpr0')"><a name="cxxDependentScopeMemberExpr0Anchor">cxxDependentScopeMemberExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXDependentScopeMemberExpr.html">CXXDependentScopeMemberExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="cxxDependentScopeMemberExpr0"><pre>Matches member expressions where the actual member referenced could not be
|
|
resolved because the base expression or the member name was dependent.
|
|
|
|
Given
|
|
template <class T> void f() { T t; t.g(); }
|
|
cxxDependentScopeMemberExpr()
|
|
matches t.g
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('cxxDynamicCastExpr0')"><a name="cxxDynamicCastExpr0Anchor">cxxDynamicCastExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXDynamicCastExpr.html">CXXDynamicCastExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="cxxDynamicCastExpr0"><pre>Matches a dynamic_cast expression.
|
|
|
|
Example:
|
|
cxxDynamicCastExpr()
|
|
matches
|
|
dynamic_cast<D*>(&b);
|
|
in
|
|
struct B { virtual ~B() {} }; struct D : B {};
|
|
B b;
|
|
D* p = dynamic_cast<D*>(&b);
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('cxxForRangeStmt0')"><a name="cxxForRangeStmt0Anchor">cxxForRangeStmt</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXForRangeStmt.html">CXXForRangeStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="cxxForRangeStmt0"><pre>Matches range-based for statements.
|
|
|
|
cxxForRangeStmt() matches 'for (auto a : i)'
|
|
int i[] = {1, 2, 3}; for (auto a : i);
|
|
for(int j = 0; j < 5; ++j);
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('cxxFunctionalCastExpr0')"><a name="cxxFunctionalCastExpr0Anchor">cxxFunctionalCastExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXFunctionalCastExpr.html">CXXFunctionalCastExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="cxxFunctionalCastExpr0"><pre>Matches functional cast expressions
|
|
|
|
Example: Matches Foo(bar);
|
|
Foo f = bar;
|
|
Foo g = (Foo) bar;
|
|
Foo h = Foo(bar);
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('cxxMemberCallExpr0')"><a name="cxxMemberCallExpr0Anchor">cxxMemberCallExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXMemberCallExpr.html">CXXMemberCallExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="cxxMemberCallExpr0"><pre>Matches member call expressions.
|
|
|
|
Example matches x.y()
|
|
X x;
|
|
x.y();
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('cxxNewExpr0')"><a name="cxxNewExpr0Anchor">cxxNewExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXNewExpr.html">CXXNewExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="cxxNewExpr0"><pre>Matches new expressions.
|
|
|
|
Given
|
|
new X;
|
|
cxxNewExpr()
|
|
matches 'new X'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('cxxNoexceptExpr0')"><a name="cxxNoexceptExpr0Anchor">cxxNoexceptExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXNoexceptExpr.html">CXXNoexceptExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="cxxNoexceptExpr0"><pre>Matches noexcept expressions.
|
|
|
|
Given
|
|
bool a() noexcept;
|
|
bool b() noexcept(true);
|
|
bool c() noexcept(false);
|
|
bool d() noexcept(noexcept(a()));
|
|
bool e = noexcept(b()) || noexcept(c());
|
|
cxxNoexceptExpr()
|
|
matches `noexcept(a())`, `noexcept(b())` and `noexcept(c())`.
|
|
doesn't match the noexcept specifier in the declarations a, b, c or d.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('cxxNullPtrLiteralExpr0')"><a name="cxxNullPtrLiteralExpr0Anchor">cxxNullPtrLiteralExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXNullPtrLiteralExpr.html">CXXNullPtrLiteralExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="cxxNullPtrLiteralExpr0"><pre>Matches nullptr literal.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('cxxOperatorCallExpr0')"><a name="cxxOperatorCallExpr0Anchor">cxxOperatorCallExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXOperatorCallExpr.html">CXXOperatorCallExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="cxxOperatorCallExpr0"><pre>Matches overloaded operator calls.
|
|
|
|
Note that if an operator isn't overloaded, it won't match. Instead, use
|
|
binaryOperator matcher.
|
|
Currently it does not match operators such as new delete.
|
|
FIXME: figure out why these do not match?
|
|
|
|
Example matches both operator<<((o << b), c) and operator<<(o, b)
|
|
(matcher = cxxOperatorCallExpr())
|
|
ostream &operator<< (ostream &out, int i) { };
|
|
ostream &o; int b = 1, c = 1;
|
|
o << b << c;
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('cxxReinterpretCastExpr0')"><a name="cxxReinterpretCastExpr0Anchor">cxxReinterpretCastExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXReinterpretCastExpr.html">CXXReinterpretCastExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="cxxReinterpretCastExpr0"><pre>Matches a reinterpret_cast expression.
|
|
|
|
Either the source expression or the destination type can be matched
|
|
using has(), but hasDestinationType() is more specific and can be
|
|
more readable.
|
|
|
|
Example matches reinterpret_cast<char*>(&p) in
|
|
void* p = reinterpret_cast<char*>(&p);
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('cxxStaticCastExpr0')"><a name="cxxStaticCastExpr0Anchor">cxxStaticCastExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXStaticCastExpr.html">CXXStaticCastExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="cxxStaticCastExpr0"><pre>Matches a C++ static_cast expression.
|
|
|
|
See also: hasDestinationType
|
|
See also: reinterpretCast
|
|
|
|
Example:
|
|
cxxStaticCastExpr()
|
|
matches
|
|
static_cast<long>(8)
|
|
in
|
|
long eight(static_cast<long>(8));
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('cxxStdInitializerListExpr0')"><a name="cxxStdInitializerListExpr0Anchor">cxxStdInitializerListExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXStdInitializerListExpr.html">CXXStdInitializerListExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="cxxStdInitializerListExpr0"><pre>Matches C++ initializer list expressions.
|
|
|
|
Given
|
|
std::vector<int> a({ 1, 2, 3 });
|
|
std::vector<int> b = { 4, 5 };
|
|
int c[] = { 6, 7 };
|
|
std::pair<int, int> d = { 8, 9 };
|
|
cxxStdInitializerListExpr()
|
|
matches "{ 1, 2, 3 }" and "{ 4, 5 }"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('cxxTemporaryObjectExpr0')"><a name="cxxTemporaryObjectExpr0Anchor">cxxTemporaryObjectExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXTemporaryObjectExpr.html">CXXTemporaryObjectExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="cxxTemporaryObjectExpr0"><pre>Matches functional cast expressions having N != 1 arguments
|
|
|
|
Example: Matches Foo(bar, bar)
|
|
Foo h = Foo(bar, bar);
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('cxxThisExpr0')"><a name="cxxThisExpr0Anchor">cxxThisExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXThisExpr.html">CXXThisExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="cxxThisExpr0"><pre>Matches implicit and explicit this expressions.
|
|
|
|
Example matches the implicit this expression in "return i".
|
|
(matcher = cxxThisExpr())
|
|
struct foo {
|
|
int i;
|
|
int f() { return i; }
|
|
};
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('cxxThrowExpr0')"><a name="cxxThrowExpr0Anchor">cxxThrowExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXThrowExpr.html">CXXThrowExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="cxxThrowExpr0"><pre>Matches throw expressions.
|
|
|
|
try { throw 5; } catch(int i) {}
|
|
cxxThrowExpr()
|
|
matches 'throw 5'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('cxxTryStmt0')"><a name="cxxTryStmt0Anchor">cxxTryStmt</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXTryStmt.html">CXXTryStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="cxxTryStmt0"><pre>Matches try statements.
|
|
|
|
try {} catch(int i) {}
|
|
cxxTryStmt()
|
|
matches 'try {}'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('cxxUnresolvedConstructExpr0')"><a name="cxxUnresolvedConstructExpr0Anchor">cxxUnresolvedConstructExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXUnresolvedConstructExpr.html">CXXUnresolvedConstructExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="cxxUnresolvedConstructExpr0"><pre>Matches unresolved constructor call expressions.
|
|
|
|
Example matches T(t) in return statement of f
|
|
(matcher = cxxUnresolvedConstructExpr())
|
|
template <typename T>
|
|
void f(const T& t) { return T(t); }
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('declRefExpr0')"><a name="declRefExpr0Anchor">declRefExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="declRefExpr0"><pre>Matches expressions that refer to declarations.
|
|
|
|
Example matches x in if (x)
|
|
bool x;
|
|
if (x) {}
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('declStmt0')"><a name="declStmt0Anchor">declStmt</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DeclStmt.html">DeclStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="declStmt0"><pre>Matches declaration statements.
|
|
|
|
Given
|
|
int a;
|
|
declStmt()
|
|
matches 'int a'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('defaultStmt0')"><a name="defaultStmt0Anchor">defaultStmt</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DefaultStmt.html">DefaultStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="defaultStmt0"><pre>Matches default statements inside switch statements.
|
|
|
|
Given
|
|
switch(a) { case 42: break; default: break; }
|
|
defaultStmt()
|
|
matches 'default:'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('designatedInitExpr0')"><a name="designatedInitExpr0Anchor">designatedInitExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DesignatedInitExpr.html">DesignatedInitExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="designatedInitExpr0"><pre>Matches C99 designated initializer expressions [C99 6.7.8].
|
|
|
|
Example: Matches { [2].y = 1.0, [0].x = 1.0 }
|
|
point ptarray[10] = { [2].y = 1.0, [0].x = 1.0 };
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('doStmt0')"><a name="doStmt0Anchor">doStmt</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DoStmt.html">DoStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="doStmt0"><pre>Matches do statements.
|
|
|
|
Given
|
|
do {} while (true);
|
|
doStmt()
|
|
matches 'do {} while(true)'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('explicitCastExpr0')"><a name="explicitCastExpr0Anchor">explicitCastExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ExplicitCastExpr.html">ExplicitCastExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="explicitCastExpr0"><pre>Matches explicit cast expressions.
|
|
|
|
Matches any cast expression written in user code, whether it be a
|
|
C-style cast, a functional-style cast, or a keyword cast.
|
|
|
|
Does not match implicit conversions.
|
|
|
|
Note: the name "explicitCast" is chosen to match Clang's terminology, as
|
|
Clang uses the term "cast" to apply to implicit conversions as well as to
|
|
actual cast expressions.
|
|
|
|
See also: hasDestinationType.
|
|
|
|
Example: matches all five of the casts in
|
|
int((int)(reinterpret_cast<int>(static_cast<int>(const_cast<int>(42)))))
|
|
but does not match the implicit conversion in
|
|
long ell = 42;
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('expr0')"><a name="expr0Anchor">expr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="expr0"><pre>Matches expressions.
|
|
|
|
Example matches x()
|
|
void f() { x(); }
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('exprWithCleanups0')"><a name="exprWithCleanups0Anchor">exprWithCleanups</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ExprWithCleanups.html">ExprWithCleanups</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="exprWithCleanups0"><pre>Matches expressions that introduce cleanups to be run at the end
|
|
of the sub-expression's evaluation.
|
|
|
|
Example matches std::string()
|
|
const std::string str = std::string();
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('floatLiteral0')"><a name="floatLiteral0Anchor">floatLiteral</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FloatingLiteral.html">FloatingLiteral</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="floatLiteral0"><pre>Matches float literals of all sizes / encodings, e.g.
|
|
1.0, 1.0f, 1.0L and 1e10.
|
|
|
|
Does not match implicit conversions such as
|
|
float a = 10;
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('forStmt0')"><a name="forStmt0Anchor">forStmt</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ForStmt.html">ForStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="forStmt0"><pre>Matches for statements.
|
|
|
|
Example matches 'for (;;) {}'
|
|
for (;;) {}
|
|
int i[] = {1, 2, 3}; for (auto a : i);
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('gnuNullExpr0')"><a name="gnuNullExpr0Anchor">gnuNullExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1GNUNullExpr.html">GNUNullExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="gnuNullExpr0"><pre>Matches GNU __null expression.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('gotoStmt0')"><a name="gotoStmt0Anchor">gotoStmt</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1GotoStmt.html">GotoStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="gotoStmt0"><pre>Matches goto statements.
|
|
|
|
Given
|
|
goto FOO;
|
|
FOO: bar();
|
|
gotoStmt()
|
|
matches 'goto FOO'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('ifStmt0')"><a name="ifStmt0Anchor">ifStmt</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1IfStmt.html">IfStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="ifStmt0"><pre>Matches if statements.
|
|
|
|
Example matches 'if (x) {}'
|
|
if (x) {}
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('imaginaryLiteral0')"><a name="imaginaryLiteral0Anchor">imaginaryLiteral</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ImaginaryLiteral.html">ImaginaryLiteral</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="imaginaryLiteral0"><pre>Matches imaginary literals, which are based on integer and floating
|
|
point literals e.g.: 1i, 1.0i
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('implicitCastExpr0')"><a name="implicitCastExpr0Anchor">implicitCastExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ImplicitCastExpr.html">ImplicitCastExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="implicitCastExpr0"><pre>Matches the implicit cast nodes of Clang's AST.
|
|
|
|
This matches many different places, including function call return value
|
|
eliding, as well as any type conversions.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('implicitValueInitExpr0')"><a name="implicitValueInitExpr0Anchor">implicitValueInitExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ImplicitValueInitExpr.html">ImplicitValueInitExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="implicitValueInitExpr0"><pre>Matches implicit initializers of init list expressions.
|
|
|
|
Given
|
|
point ptarray[10] = { [2].y = 1.0, [2].x = 2.0, [0].x = 1.0 };
|
|
implicitValueInitExpr()
|
|
matches "[0].y" (implicitly)
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('initListExpr0')"><a name="initListExpr0Anchor">initListExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1InitListExpr.html">InitListExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="initListExpr0"><pre>Matches init list expressions.
|
|
|
|
Given
|
|
int a[] = { 1, 2 };
|
|
struct B { int x, y; };
|
|
B b = { 5, 6 };
|
|
initListExpr()
|
|
matches "{ 1, 2 }" and "{ 5, 6 }"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('integerLiteral0')"><a name="integerLiteral0Anchor">integerLiteral</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1IntegerLiteral.html">IntegerLiteral</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="integerLiteral0"><pre>Matches integer literals of all sizes / encodings, e.g.
|
|
1, 1L, 0x1 and 1U.
|
|
|
|
Does not match character-encoded integers such as L'a'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('labelStmt0')"><a name="labelStmt0Anchor">labelStmt</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="labelStmt0"><pre>Matches label statements.
|
|
|
|
Given
|
|
goto FOO;
|
|
FOO: bar();
|
|
labelStmt()
|
|
matches 'FOO:'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('lambdaExpr0')"><a name="lambdaExpr0Anchor">lambdaExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1LambdaExpr.html">LambdaExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="lambdaExpr0"><pre>Matches lambda expressions.
|
|
|
|
Example matches [&](){return 5;}
|
|
[&](){return 5;}
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('materializeTemporaryExpr0')"><a name="materializeTemporaryExpr0Anchor">materializeTemporaryExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1MaterializeTemporaryExpr.html">MaterializeTemporaryExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="materializeTemporaryExpr0"><pre>Matches nodes where temporaries are materialized.
|
|
|
|
Example: Given
|
|
struct T {void func();};
|
|
T f();
|
|
void g(T);
|
|
materializeTemporaryExpr() matches 'f()' in these statements
|
|
T u(f());
|
|
g(f());
|
|
f().func();
|
|
but does not match
|
|
f();
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('memberExpr0')"><a name="memberExpr0Anchor">memberExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="memberExpr0"><pre>Matches member expressions.
|
|
|
|
Given
|
|
class Y {
|
|
void x() { this->x(); x(); Y y; y.x(); a; this->b; Y::b; }
|
|
int a; static int b;
|
|
};
|
|
memberExpr()
|
|
matches this->x, x, y.x, a, this->b
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('nullStmt0')"><a name="nullStmt0Anchor">nullStmt</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NullStmt.html">NullStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="nullStmt0"><pre>Matches null statements.
|
|
|
|
foo();;
|
|
nullStmt()
|
|
matches the second ';'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('objcCatchStmt0')"><a name="objcCatchStmt0Anchor">objcCatchStmt</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCAtCatchStmt.html">ObjCAtCatchStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="objcCatchStmt0"><pre>Matches Objective-C @catch statements.
|
|
|
|
Example matches @catch
|
|
@try {}
|
|
@catch (...) {}
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('objcFinallyStmt0')"><a name="objcFinallyStmt0Anchor">objcFinallyStmt</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCAtFinallyStmt.html">ObjCAtFinallyStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="objcFinallyStmt0"><pre>Matches Objective-C @finally statements.
|
|
|
|
Example matches @finally
|
|
@try {}
|
|
@finally {}
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('objcIvarRefExpr0')"><a name="objcIvarRefExpr0Anchor">objcIvarRefExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCIvarRefExpr.html">ObjCIvarRefExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="objcIvarRefExpr0"><pre>Matches a reference to an ObjCIvar.
|
|
|
|
Example: matches "a" in "init" method:
|
|
@implementation A {
|
|
NSString *a;
|
|
}
|
|
- (void) init {
|
|
a = @"hello";
|
|
}
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('objcMessageExpr0')"><a name="objcMessageExpr0Anchor">objcMessageExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCMessageExpr.html">ObjCMessageExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="objcMessageExpr0"><pre>Matches ObjectiveC Message invocation expressions.
|
|
|
|
The innermost message send invokes the "alloc" class method on the
|
|
NSString class, while the outermost message send invokes the
|
|
"initWithString" instance method on the object returned from
|
|
NSString's "alloc". This matcher should match both message sends.
|
|
[[NSString alloc] initWithString:@"Hello"]
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('objcThrowStmt0')"><a name="objcThrowStmt0Anchor">objcThrowStmt</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCAtThrowStmt.html">ObjCAtThrowStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="objcThrowStmt0"><pre>Matches Objective-C statements.
|
|
|
|
Example matches @throw obj;
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('objcTryStmt0')"><a name="objcTryStmt0Anchor">objcTryStmt</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCAtTryStmt.html">ObjCAtTryStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="objcTryStmt0"><pre>Matches Objective-C @try statements.
|
|
|
|
Example matches @try
|
|
@try {}
|
|
@catch (...) {}
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('ompExecutableDirective0')"><a name="ompExecutableDirective0Anchor">ompExecutableDirective</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1OMPExecutableDirective.html">OMPExecutableDirective</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="ompExecutableDirective0"><pre>Matches any ``#pragma omp`` executable directive.
|
|
|
|
Given
|
|
|
|
#pragma omp parallel
|
|
#pragma omp parallel default(none)
|
|
#pragma omp taskyield
|
|
|
|
``ompExecutableDirective()`` matches ``omp parallel``,
|
|
``omp parallel default(none)`` and ``omp taskyield``.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('opaqueValueExpr0')"><a name="opaqueValueExpr0Anchor">opaqueValueExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1OpaqueValueExpr.html">OpaqueValueExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="opaqueValueExpr0"><pre>Matches opaque value expressions. They are used as helpers
|
|
to reference another expressions and can be met
|
|
in BinaryConditionalOperators, for example.
|
|
|
|
Example matches 'a'
|
|
(a ?: c) + 42;
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('parenExpr0')"><a name="parenExpr0Anchor">parenExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ParenExpr.html">ParenExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="parenExpr0"><pre>Matches parentheses used in expressions.
|
|
|
|
Example matches (foo() + 1)
|
|
int foo() { return 1; }
|
|
int a = (foo() + 1);
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('parenListExpr0')"><a name="parenListExpr0Anchor">parenListExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ParenListExpr.html">ParenListExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="parenListExpr0"><pre>Matches paren list expressions.
|
|
ParenListExprs don't have a predefined type and are used for late parsing.
|
|
In the final AST, they can be met in template declarations.
|
|
|
|
Given
|
|
template<typename T> class X {
|
|
void f() {
|
|
X x(*this);
|
|
int a = 0, b = 1; int i = (a, b);
|
|
}
|
|
};
|
|
parenListExpr() matches "*this" but NOT matches (a, b) because (a, b)
|
|
has a predefined type and is a ParenExpr, not a ParenListExpr.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('predefinedExpr0')"><a name="predefinedExpr0Anchor">predefinedExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1PredefinedExpr.html">PredefinedExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="predefinedExpr0"><pre>Matches predefined identifier expressions [C99 6.4.2.2].
|
|
|
|
Example: Matches __func__
|
|
printf("%s", __func__);
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('returnStmt0')"><a name="returnStmt0Anchor">returnStmt</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ReturnStmt.html">ReturnStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="returnStmt0"><pre>Matches return statements.
|
|
|
|
Given
|
|
return 1;
|
|
returnStmt()
|
|
matches 'return 1'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('stmt0')"><a name="stmt0Anchor">stmt</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="stmt0"><pre>Matches statements.
|
|
|
|
Given
|
|
{ ++a; }
|
|
stmt()
|
|
matches both the compound statement '{ ++a; }' and '++a'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('stmtExpr0')"><a name="stmtExpr0Anchor">stmtExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1StmtExpr.html">StmtExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="stmtExpr0"><pre>Matches statement expression (GNU extension).
|
|
|
|
Example match: ({ int X = 4; X; })
|
|
int C = ({ int X = 4; X; });
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('stringLiteral0')"><a name="stringLiteral0Anchor">stringLiteral</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1StringLiteral.html">StringLiteral</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="stringLiteral0"><pre>Matches string literals (also matches wide string literals).
|
|
|
|
Example matches "abcd", L"abcd"
|
|
char *s = "abcd";
|
|
wchar_t *ws = L"abcd";
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('substNonTypeTemplateParmExpr0')"><a name="substNonTypeTemplateParmExpr0Anchor">substNonTypeTemplateParmExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1SubstNonTypeTemplateParmExpr.html">SubstNonTypeTemplateParmExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="substNonTypeTemplateParmExpr0"><pre>Matches substitutions of non-type template parameters.
|
|
|
|
Given
|
|
template <int N>
|
|
struct A { static const int n = N; };
|
|
struct B : public A<42> {};
|
|
substNonTypeTemplateParmExpr()
|
|
matches "N" in the right-hand side of "static const int n = N;"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('switchCase0')"><a name="switchCase0Anchor">switchCase</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1SwitchCase.html">SwitchCase</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="switchCase0"><pre>Matches case and default statements inside switch statements.
|
|
|
|
Given
|
|
switch(a) { case 42: break; default: break; }
|
|
switchCase()
|
|
matches 'case 42:' and 'default:'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('switchStmt0')"><a name="switchStmt0Anchor">switchStmt</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1SwitchStmt.html">SwitchStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="switchStmt0"><pre>Matches switch statements.
|
|
|
|
Given
|
|
switch(a) { case 42: break; default: break; }
|
|
switchStmt()
|
|
matches 'switch(a)'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('unaryExprOrTypeTraitExpr0')"><a name="unaryExprOrTypeTraitExpr0Anchor">unaryExprOrTypeTraitExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UnaryExprOrTypeTraitExpr.html">UnaryExprOrTypeTraitExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="unaryExprOrTypeTraitExpr0"><pre>Matches sizeof (C99), alignof (C++11) and vec_step (OpenCL)
|
|
|
|
Given
|
|
Foo x = bar;
|
|
int y = sizeof(x) + alignof(x);
|
|
unaryExprOrTypeTraitExpr()
|
|
matches sizeof(x) and alignof(x)
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('unaryOperator0')"><a name="unaryOperator0Anchor">unaryOperator</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UnaryOperator.html">UnaryOperator</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="unaryOperator0"><pre>Matches unary operator expressions.
|
|
|
|
Example matches !a
|
|
!a || b
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('unresolvedLookupExpr0')"><a name="unresolvedLookupExpr0Anchor">unresolvedLookupExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UnresolvedLookupExpr.html">UnresolvedLookupExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="unresolvedLookupExpr0"><pre>Matches reference to a name that can be looked up during parsing
|
|
but could not be resolved to a specific declaration.
|
|
|
|
Given
|
|
template<typename T>
|
|
T foo() { T a; return a; }
|
|
template<typename T>
|
|
void bar() {
|
|
foo<T>();
|
|
}
|
|
unresolvedLookupExpr()
|
|
matches foo<T>() </pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('unresolvedMemberExpr0')"><a name="unresolvedMemberExpr0Anchor">unresolvedMemberExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UnresolvedMemberExpr.html">UnresolvedMemberExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="unresolvedMemberExpr0"><pre>Matches unresolved member expressions.
|
|
|
|
Given
|
|
struct X {
|
|
template <class T> void f();
|
|
void g();
|
|
};
|
|
template <class T> void h() { X x; x.f<T>(); x.g(); }
|
|
unresolvedMemberExpr()
|
|
matches x.f<T>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('userDefinedLiteral0')"><a name="userDefinedLiteral0Anchor">userDefinedLiteral</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UserDefinedLiteral.html">UserDefinedLiteral</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="userDefinedLiteral0"><pre>Matches user defined literal operator call.
|
|
|
|
Example match: "foo"_suffix
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('whileStmt0')"><a name="whileStmt0Anchor">whileStmt</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1WhileStmt.html">WhileStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="whileStmt0"><pre>Matches while statements.
|
|
|
|
Given
|
|
while (true) {}
|
|
whileStmt()
|
|
matches 'while (true) {}'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>></td><td class="name" onclick="toggle('templateArgument0')"><a name="templateArgument0Anchor">templateArgument</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="templateArgument0"><pre>Matches template arguments.
|
|
|
|
Given
|
|
template <typename T> struct C {};
|
|
C<int> c;
|
|
templateArgument()
|
|
matches 'int' in C<int>.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateName.html">TemplateName</a>></td><td class="name" onclick="toggle('templateName0')"><a name="templateName0Anchor">templateName</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateName.html">TemplateName</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="templateName0"><pre>Matches template name.
|
|
|
|
Given
|
|
template <typename T> class X { };
|
|
X<int> xi;
|
|
templateName()
|
|
matches 'X' in X<int>.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>></td><td class="name" onclick="toggle('typeLoc0')"><a name="typeLoc0Anchor">typeLoc</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="typeLoc0"><pre>Matches TypeLocs in the clang AST.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('arrayType0')"><a name="arrayType0Anchor">arrayType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ArrayType.html">ArrayType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="arrayType0"><pre>Matches all kinds of arrays.
|
|
|
|
Given
|
|
int a[] = { 2, 3 };
|
|
int b[4];
|
|
void f() { int c[a[0]]; }
|
|
arrayType()
|
|
matches "int a[]", "int b[4]" and "int c[a[0]]";
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('atomicType0')"><a name="atomicType0Anchor">atomicType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1AtomicType.html">AtomicType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="atomicType0"><pre>Matches atomic types.
|
|
|
|
Given
|
|
_Atomic(int) i;
|
|
atomicType()
|
|
matches "_Atomic(int) i"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('autoType0')"><a name="autoType0Anchor">autoType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1AutoType.html">AutoType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="autoType0"><pre>Matches types nodes representing C++11 auto types.
|
|
|
|
Given:
|
|
auto n = 4;
|
|
int v[] = { 2, 3 }
|
|
for (auto i : v) { }
|
|
autoType()
|
|
matches "auto n" and "auto i"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('blockPointerType0')"><a name="blockPointerType0Anchor">blockPointerType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1BlockPointerType.html">BlockPointerType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="blockPointerType0"><pre>Matches block pointer types, i.e. types syntactically represented as
|
|
"void (^)(int)".
|
|
|
|
The pointee is always required to be a FunctionType.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('builtinType0')"><a name="builtinType0Anchor">builtinType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1BuiltinType.html">BuiltinType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="builtinType0"><pre>Matches builtin Types.
|
|
|
|
Given
|
|
struct A {};
|
|
A a;
|
|
int b;
|
|
float c;
|
|
bool d;
|
|
builtinType()
|
|
matches "int b", "float c" and "bool d"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('complexType0')"><a name="complexType0Anchor">complexType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ComplexType.html">ComplexType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="complexType0"><pre>Matches C99 complex types.
|
|
|
|
Given
|
|
_Complex float f;
|
|
complexType()
|
|
matches "_Complex float f"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('constantArrayType0')"><a name="constantArrayType0Anchor">constantArrayType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ConstantArrayType.html">ConstantArrayType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="constantArrayType0"><pre>Matches C arrays with a specified constant size.
|
|
|
|
Given
|
|
void() {
|
|
int a[2];
|
|
int b[] = { 2, 3 };
|
|
int c[b[0]];
|
|
}
|
|
constantArrayType()
|
|
matches "int a[2]"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('decayedType0')"><a name="decayedType0Anchor">decayedType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DecayedType.html">DecayedType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="decayedType0"><pre>Matches decayed type
|
|
Example matches i[] in declaration of f.
|
|
(matcher = valueDecl(hasType(decayedType(hasDecayedType(pointerType())))))
|
|
Example matches i[1].
|
|
(matcher = expr(hasType(decayedType(hasDecayedType(pointerType())))))
|
|
void f(int i[]) {
|
|
i[1] = 0;
|
|
}
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('decltypeType0')"><a name="decltypeType0Anchor">decltypeType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DecltypeType.html">DecltypeType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="decltypeType0"><pre>Matches types nodes representing C++11 decltype(<expr>) types.
|
|
|
|
Given:
|
|
short i = 1;
|
|
int j = 42;
|
|
decltype(i + j) result = i + j;
|
|
decltypeType()
|
|
matches "decltype(i + j)"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('dependentSizedArrayType0')"><a name="dependentSizedArrayType0Anchor">dependentSizedArrayType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DependentSizedArrayType.html">DependentSizedArrayType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="dependentSizedArrayType0"><pre>Matches C++ arrays whose size is a value-dependent expression.
|
|
|
|
Given
|
|
template<typename T, int Size>
|
|
class array {
|
|
T data[Size];
|
|
};
|
|
dependentSizedArrayType
|
|
matches "T data[Size]"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('elaboratedType0')"><a name="elaboratedType0Anchor">elaboratedType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ElaboratedType.html">ElaboratedType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="elaboratedType0"><pre>Matches types specified with an elaborated type keyword or with a
|
|
qualified name.
|
|
|
|
Given
|
|
namespace N {
|
|
namespace M {
|
|
class D {};
|
|
}
|
|
}
|
|
class C {};
|
|
|
|
class C c;
|
|
N::M::D d;
|
|
|
|
elaboratedType() matches the type of the variable declarations of both
|
|
c and d.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('enumType0')"><a name="enumType0Anchor">enumType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="enumType0"><pre>Matches enum types.
|
|
|
|
Given
|
|
enum C { Green };
|
|
enum class S { Red };
|
|
|
|
C c;
|
|
S s;
|
|
|
|
enumType() matches the type of the variable declarations of both c and
|
|
s.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('functionProtoType0')"><a name="functionProtoType0Anchor">functionProtoType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionProtoType.html">FunctionProtoType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="functionProtoType0"><pre>Matches FunctionProtoType nodes.
|
|
|
|
Given
|
|
int (*f)(int);
|
|
void g();
|
|
functionProtoType()
|
|
matches "int (*f)(int)" and the type of "g" in C++ mode.
|
|
In C mode, "g" is not matched because it does not contain a prototype.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('functionType0')"><a name="functionType0Anchor">functionType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionType.html">FunctionType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="functionType0"><pre>Matches FunctionType nodes.
|
|
|
|
Given
|
|
int (*f)(int);
|
|
void g();
|
|
functionType()
|
|
matches "int (*f)(int)" and the type of "g".
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('incompleteArrayType0')"><a name="incompleteArrayType0Anchor">incompleteArrayType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1IncompleteArrayType.html">IncompleteArrayType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="incompleteArrayType0"><pre>Matches C arrays with unspecified size.
|
|
|
|
Given
|
|
int a[] = { 2, 3 };
|
|
int b[42];
|
|
void f(int c[]) { int d[a[0]]; };
|
|
incompleteArrayType()
|
|
matches "int a[]" and "int c[]"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('injectedClassNameType0')"><a name="injectedClassNameType0Anchor">injectedClassNameType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="injectedClassNameType0"><pre>Matches injected class name types.
|
|
|
|
Example matches S s, but not S<T> s.
|
|
(matcher = parmVarDecl(hasType(injectedClassNameType())))
|
|
template <typename T> struct S {
|
|
void f(S s);
|
|
void g(S<T> s);
|
|
};
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('lValueReferenceType0')"><a name="lValueReferenceType0Anchor">lValueReferenceType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1LValueReferenceType.html">LValueReferenceType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="lValueReferenceType0"><pre>Matches lvalue reference types.
|
|
|
|
Given:
|
|
int *a;
|
|
int &b = *a;
|
|
int &&c = 1;
|
|
auto &d = b;
|
|
auto &&e = c;
|
|
auto &&f = 2;
|
|
int g = 5;
|
|
|
|
lValueReferenceType() matches the types of b, d, and e. e is
|
|
matched since the type is deduced as int& by reference collapsing rules.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('memberPointerType0')"><a name="memberPointerType0Anchor">memberPointerType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1MemberPointerType.html">MemberPointerType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="memberPointerType0"><pre>Matches member pointer types.
|
|
Given
|
|
struct A { int i; }
|
|
A::* ptr = A::i;
|
|
memberPointerType()
|
|
matches "A::* ptr"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('objcObjectPointerType0')"><a name="objcObjectPointerType0Anchor">objcObjectPointerType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCObjectPointerType.html">ObjCObjectPointerType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="objcObjectPointerType0"><pre>Matches an Objective-C object pointer type, which is different from
|
|
a pointer type, despite being syntactically similar.
|
|
|
|
Given
|
|
int *a;
|
|
|
|
@interface Foo
|
|
@end
|
|
Foo *f;
|
|
pointerType()
|
|
matches "Foo *f", but does not match "int *a".
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('parenType0')"><a name="parenType0Anchor">parenType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ParenType.html">ParenType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="parenType0"><pre>Matches ParenType nodes.
|
|
|
|
Given
|
|
int (*ptr_to_array)[4];
|
|
int *array_of_ptrs[4];
|
|
|
|
varDecl(hasType(pointsTo(parenType()))) matches ptr_to_array but not
|
|
array_of_ptrs.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('pointerType0')"><a name="pointerType0Anchor">pointerType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1PointerType.html">PointerType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="pointerType0"><pre>Matches pointer types, but does not match Objective-C object pointer
|
|
types.
|
|
|
|
Given
|
|
int *a;
|
|
int &b = *a;
|
|
int c = 5;
|
|
|
|
@interface Foo
|
|
@end
|
|
Foo *f;
|
|
pointerType()
|
|
matches "int *a", but does not match "Foo *f".
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('rValueReferenceType0')"><a name="rValueReferenceType0Anchor">rValueReferenceType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1RValueReferenceType.html">RValueReferenceType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="rValueReferenceType0"><pre>Matches rvalue reference types.
|
|
|
|
Given:
|
|
int *a;
|
|
int &b = *a;
|
|
int &&c = 1;
|
|
auto &d = b;
|
|
auto &&e = c;
|
|
auto &&f = 2;
|
|
int g = 5;
|
|
|
|
rValueReferenceType() matches the types of c and f. e is not
|
|
matched as it is deduced to int& by reference collapsing rules.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('recordType0')"><a name="recordType0Anchor">recordType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="recordType0"><pre>Matches record types (e.g. structs, classes).
|
|
|
|
Given
|
|
class C {};
|
|
struct S {};
|
|
|
|
C c;
|
|
S s;
|
|
|
|
recordType() matches the type of the variable declarations of both c
|
|
and s.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('referenceType0')"><a name="referenceType0Anchor">referenceType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ReferenceType.html">ReferenceType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="referenceType0"><pre>Matches both lvalue and rvalue reference types.
|
|
|
|
Given
|
|
int *a;
|
|
int &b = *a;
|
|
int &&c = 1;
|
|
auto &d = b;
|
|
auto &&e = c;
|
|
auto &&f = 2;
|
|
int g = 5;
|
|
|
|
referenceType() matches the types of b, c, d, e, and f.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('substTemplateTypeParmType0')"><a name="substTemplateTypeParmType0Anchor">substTemplateTypeParmType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1SubstTemplateTypeParmType.html">SubstTemplateTypeParmType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="substTemplateTypeParmType0"><pre>Matches types that represent the result of substituting a type for a
|
|
template type parameter.
|
|
|
|
Given
|
|
template <typename T>
|
|
void F(T t) {
|
|
int i = 1 + t;
|
|
}
|
|
|
|
substTemplateTypeParmType() matches the type of 't' but not '1'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('tagType0')"><a name="tagType0Anchor">tagType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="tagType0"><pre>Matches tag types (record and enum types).
|
|
|
|
Given
|
|
enum E {};
|
|
class C {};
|
|
|
|
E e;
|
|
C c;
|
|
|
|
tagType() matches the type of the variable declarations of both e
|
|
and c.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('templateSpecializationType0')"><a name="templateSpecializationType0Anchor">templateSpecializationType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="templateSpecializationType0"><pre>Matches template specialization types.
|
|
|
|
Given
|
|
template <typename T>
|
|
class C { };
|
|
|
|
template class C<int>; // A
|
|
C<char> var; // B
|
|
|
|
templateSpecializationType() matches the type of the explicit
|
|
instantiation in A and the type of the variable declaration in B.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('templateTypeParmType0')"><a name="templateTypeParmType0Anchor">templateTypeParmType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="templateTypeParmType0"><pre>Matches template type parameter types.
|
|
|
|
Example matches T, but not int.
|
|
(matcher = templateTypeParmType())
|
|
template <typename T> void f(int i);
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('type0')"><a name="type0Anchor">type</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="type0"><pre>Matches Types in the clang AST.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('typedefType0')"><a name="typedefType0Anchor">typedefType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="typedefType0"><pre>Matches typedef types.
|
|
|
|
Given
|
|
typedef int X;
|
|
typedefType()
|
|
matches "typedef int X"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('unaryTransformType0')"><a name="unaryTransformType0Anchor">unaryTransformType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UnaryTransformType.html">UnaryTransformType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="unaryTransformType0"><pre>Matches types nodes representing unary type transformations.
|
|
|
|
Given:
|
|
typedef __underlying_type(T) type;
|
|
unaryTransformType()
|
|
matches "__underlying_type(T)"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('variableArrayType0')"><a name="variableArrayType0Anchor">variableArrayType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1VariableArrayType.html">VariableArrayType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="variableArrayType0"><pre>Matches C arrays with a specified size that is not an
|
|
integer-constant-expression.
|
|
|
|
Given
|
|
void f() {
|
|
int a[] = { 2, 3 }
|
|
int b[42];
|
|
int c[a[0]];
|
|
}
|
|
variableArrayType()
|
|
matches "int c[a[0]]"
|
|
</pre></td></tr>
|
|
|
|
<!--END_DECL_MATCHERS -->
|
|
</table>
|
|
|
|
<!-- ======================================================================= -->
|
|
<h2 id="narrowing-matchers">Narrowing Matchers</h2>
|
|
<!-- ======================================================================= -->
|
|
|
|
<p>Narrowing matchers match certain attributes on the current node, thus
|
|
narrowing down the set of nodes of the current type to match on.</p>
|
|
|
|
<p>There are special logical narrowing matchers (allOf, anyOf, anything and unless)
|
|
which allow users to create more powerful match expressions.</p>
|
|
|
|
<table>
|
|
<tr style="text-align:left"><th>Return type</th><th>Name</th><th>Parameters</th></tr>
|
|
<!-- START_NARROWING_MATCHERS -->
|
|
|
|
<tr><td>Matcher<*></td><td class="name" onclick="toggle('allOf0')"><a name="allOf0Anchor">allOf</a></td><td>Matcher<*>, ..., Matcher<*></td></tr>
|
|
<tr><td colspan="4" class="doc" id="allOf0"><pre>Matches if all given matchers match.
|
|
|
|
Usable as: Any Matcher
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<*></td><td class="name" onclick="toggle('anyOf0')"><a name="anyOf0Anchor">anyOf</a></td><td>Matcher<*>, ..., Matcher<*></td></tr>
|
|
<tr><td colspan="4" class="doc" id="anyOf0"><pre>Matches if any of the given matchers matches.
|
|
|
|
Usable as: Any Matcher
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<*></td><td class="name" onclick="toggle('anything0')"><a name="anything0Anchor">anything</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="anything0"><pre>Matches any node.
|
|
|
|
Useful when another matcher requires a child matcher, but there's no
|
|
additional constraint. This will often be used with an explicit conversion
|
|
to an internal::Matcher<> type such as TypeMatcher.
|
|
|
|
Example: DeclarationMatcher(anything()) matches all declarations, e.g.,
|
|
"int* p" and "void f()" in
|
|
int* p;
|
|
void f();
|
|
|
|
Usable as: Any Matcher
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<*></td><td class="name" onclick="toggle('unless0')"><a name="unless0Anchor">unless</a></td><td>Matcher<*></td></tr>
|
|
<tr><td colspan="4" class="doc" id="unless0"><pre>Matches if the provided matcher does not match.
|
|
|
|
Example matches Y (matcher = cxxRecordDecl(unless(hasName("X"))))
|
|
class X {};
|
|
class Y {};
|
|
|
|
Usable as: Any Matcher
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1BinaryOperator.html">BinaryOperator</a>></td><td class="name" onclick="toggle('hasOperatorName0')"><a name="hasOperatorName0Anchor">hasOperatorName</a></td><td>std::string Name</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasOperatorName0"><pre>Matches the operator Name of operator expressions (binary or
|
|
unary).
|
|
|
|
Example matches a || b (matcher = binaryOperator(hasOperatorName("||")))
|
|
!(a || b)
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1BinaryOperator.html">BinaryOperator</a>></td><td class="name" onclick="toggle('isAssignmentOperator0')"><a name="isAssignmentOperator0Anchor">isAssignmentOperator</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isAssignmentOperator0"><pre>Matches all kinds of assignment operators.
|
|
|
|
Example 1: matches a += b (matcher = binaryOperator(isAssignmentOperator()))
|
|
if (a == b)
|
|
a += b;
|
|
|
|
Example 2: matches s1 = s2
|
|
(matcher = cxxOperatorCallExpr(isAssignmentOperator()))
|
|
struct S { S& operator=(const S&); };
|
|
void x() { S s1, s2; s1 = s2; })
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXBoolLiteralExpr.html">CXXBoolLiteralExpr</a>></td><td class="name" onclick="toggle('equals5')"><a name="equals5Anchor">equals</a></td><td>bool Value</td></tr>
|
|
<tr><td colspan="4" class="doc" id="equals5"><pre></pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXBoolLiteralExpr.html">CXXBoolLiteralExpr</a>></td><td class="name" onclick="toggle('equals2')"><a name="equals2Anchor">equals</a></td><td>const ValueT Value</td></tr>
|
|
<tr><td colspan="4" class="doc" id="equals2"><pre>Matches literals that are equal to the given value of type ValueT.
|
|
|
|
Given
|
|
f('false, 3.14, 42);
|
|
characterLiteral(equals(0))
|
|
matches 'cxxBoolLiteral(equals(false)) and cxxBoolLiteral(equals(0))
|
|
match false
|
|
floatLiteral(equals(3.14)) and floatLiteral(equals(314e-2))
|
|
match 3.14
|
|
integerLiteral(equals(42))
|
|
matches 42
|
|
|
|
Note that you cannot directly match a negative numeric literal because the
|
|
minus sign is not part of the literal: It is a unary operator whose operand
|
|
is the positive numeric literal. Instead, you must use a unaryOperator()
|
|
matcher to match the minus sign:
|
|
|
|
unaryOperator(hasOperatorName("-"),
|
|
hasUnaryOperand(integerLiteral(equals(13))))
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CharacterLiteral.html">CharacterLiteral</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXBoolLiteralExpr.html">CXXBoolLiteralExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FloatingLiteral.html">FloatingLiteral</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1IntegerLiteral.html">IntegerLiteral</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXBoolLiteralExpr.html">CXXBoolLiteralExpr</a>></td><td class="name" onclick="toggle('equals11')"><a name="equals11Anchor">equals</a></td><td>double Value</td></tr>
|
|
<tr><td colspan="4" class="doc" id="equals11"><pre></pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXBoolLiteralExpr.html">CXXBoolLiteralExpr</a>></td><td class="name" onclick="toggle('equals8')"><a name="equals8Anchor">equals</a></td><td>unsigned Value</td></tr>
|
|
<tr><td colspan="4" class="doc" id="equals8"><pre></pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXCatchStmt.html">CXXCatchStmt</a>></td><td class="name" onclick="toggle('isCatchAll0')"><a name="isCatchAll0Anchor">isCatchAll</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isCatchAll0"><pre>Matches a C++ catch statement that has a catch-all handler.
|
|
|
|
Given
|
|
try {
|
|
// ...
|
|
} catch (int) {
|
|
// ...
|
|
} catch (...) {
|
|
// ...
|
|
}
|
|
cxxCatchStmt(isCatchAll()) matches catch(...) but not catch(int).
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>></td><td class="name" onclick="toggle('argumentCountIs1')"><a name="argumentCountIs1Anchor">argumentCountIs</a></td><td>unsigned N</td></tr>
|
|
<tr><td colspan="4" class="doc" id="argumentCountIs1"><pre>Checks that a call expression or a constructor call expression has
|
|
a specific number of arguments (including absent default arguments).
|
|
|
|
Example matches f(0, 0) (matcher = callExpr(argumentCountIs(2)))
|
|
void f(int x, int y);
|
|
f(0, 0);
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>></td><td class="name" onclick="toggle('isListInitialization0')"><a name="isListInitialization0Anchor">isListInitialization</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isListInitialization0"><pre>Matches a constructor call expression which uses list initialization.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>></td><td class="name" onclick="toggle('requiresZeroInitialization0')"><a name="requiresZeroInitialization0Anchor">requiresZeroInitialization</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="requiresZeroInitialization0"><pre>Matches a constructor call expression which requires
|
|
zero initialization.
|
|
|
|
Given
|
|
void foo() {
|
|
struct point { double x; double y; };
|
|
point pt[2] = { { 1.0, 2.0 } };
|
|
}
|
|
initListExpr(has(cxxConstructExpr(requiresZeroInitialization()))
|
|
will match the implicit array filler for pt[1].
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstructorDecl.html">CXXConstructorDecl</a>></td><td class="name" onclick="toggle('isCopyConstructor0')"><a name="isCopyConstructor0Anchor">isCopyConstructor</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isCopyConstructor0"><pre>Matches constructor declarations that are copy constructors.
|
|
|
|
Given
|
|
struct S {
|
|
S(); // #1
|
|
S(const S &); // #2
|
|
S(S &&); // #3
|
|
};
|
|
cxxConstructorDecl(isCopyConstructor()) will match #2, but not #1 or #3.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstructorDecl.html">CXXConstructorDecl</a>></td><td class="name" onclick="toggle('isDefaultConstructor0')"><a name="isDefaultConstructor0Anchor">isDefaultConstructor</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isDefaultConstructor0"><pre>Matches constructor declarations that are default constructors.
|
|
|
|
Given
|
|
struct S {
|
|
S(); // #1
|
|
S(const S &); // #2
|
|
S(S &&); // #3
|
|
};
|
|
cxxConstructorDecl(isDefaultConstructor()) will match #1, but not #2 or #3.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstructorDecl.html">CXXConstructorDecl</a>></td><td class="name" onclick="toggle('isDelegatingConstructor0')"><a name="isDelegatingConstructor0Anchor">isDelegatingConstructor</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isDelegatingConstructor0"><pre>Matches constructors that delegate to another constructor.
|
|
|
|
Given
|
|
struct S {
|
|
S(); // #1
|
|
S(int) {} // #2
|
|
S(S &&) : S() {} // #3
|
|
};
|
|
S::S() : S(0) {} // #4
|
|
cxxConstructorDecl(isDelegatingConstructor()) will match #3 and #4, but not
|
|
#1 or #2.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstructorDecl.html">CXXConstructorDecl</a>></td><td class="name" onclick="toggle('isExplicit0')"><a name="isExplicit0Anchor">isExplicit</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isExplicit0"><pre>Matches constructor, conversion function, and deduction guide declarations
|
|
that have an explicit specifier if this explicit specifier is resolved to
|
|
true.
|
|
|
|
Given
|
|
template<bool b>
|
|
struct S {
|
|
S(int); // #1
|
|
explicit S(double); // #2
|
|
operator int(); // #3
|
|
explicit operator bool(); // #4
|
|
explicit(false) S(bool) // # 7
|
|
explicit(true) S(char) // # 8
|
|
explicit(b) S(S) // # 9
|
|
};
|
|
S(int) -> S<true> // #5
|
|
explicit S(double) -> S<false> // #6
|
|
cxxConstructorDecl(isExplicit()) will match #2 and #8, but not #1, #7 or #9.
|
|
cxxConversionDecl(isExplicit()) will match #4, but not #3.
|
|
cxxDeductionGuideDecl(isExplicit()) will match #6, but not #5.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstructorDecl.html">CXXConstructorDecl</a>></td><td class="name" onclick="toggle('isMoveConstructor0')"><a name="isMoveConstructor0Anchor">isMoveConstructor</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isMoveConstructor0"><pre>Matches constructor declarations that are move constructors.
|
|
|
|
Given
|
|
struct S {
|
|
S(); // #1
|
|
S(const S &); // #2
|
|
S(S &&); // #3
|
|
};
|
|
cxxConstructorDecl(isMoveConstructor()) will match #3, but not #1 or #2.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConversionDecl.html">CXXConversionDecl</a>></td><td class="name" onclick="toggle('isExplicit1')"><a name="isExplicit1Anchor">isExplicit</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isExplicit1"><pre>Matches constructor, conversion function, and deduction guide declarations
|
|
that have an explicit specifier if this explicit specifier is resolved to
|
|
true.
|
|
|
|
Given
|
|
template<bool b>
|
|
struct S {
|
|
S(int); // #1
|
|
explicit S(double); // #2
|
|
operator int(); // #3
|
|
explicit operator bool(); // #4
|
|
explicit(false) S(bool) // # 7
|
|
explicit(true) S(char) // # 8
|
|
explicit(b) S(S) // # 9
|
|
};
|
|
S(int) -> S<true> // #5
|
|
explicit S(double) -> S<false> // #6
|
|
cxxConstructorDecl(isExplicit()) will match #2 and #8, but not #1, #7 or #9.
|
|
cxxConversionDecl(isExplicit()) will match #4, but not #3.
|
|
cxxDeductionGuideDecl(isExplicit()) will match #6, but not #5.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXCtorInitializer.html">CXXCtorInitializer</a>></td><td class="name" onclick="toggle('isBaseInitializer0')"><a name="isBaseInitializer0Anchor">isBaseInitializer</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isBaseInitializer0"><pre>Matches a constructor initializer if it is initializing a base, as
|
|
opposed to a member.
|
|
|
|
Given
|
|
struct B {};
|
|
struct D : B {
|
|
int I;
|
|
D(int i) : I(i) {}
|
|
};
|
|
struct E : B {
|
|
E() : B() {}
|
|
};
|
|
cxxConstructorDecl(hasAnyConstructorInitializer(isBaseInitializer()))
|
|
will match E(), but not match D(int).
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXCtorInitializer.html">CXXCtorInitializer</a>></td><td class="name" onclick="toggle('isMemberInitializer0')"><a name="isMemberInitializer0Anchor">isMemberInitializer</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isMemberInitializer0"><pre>Matches a constructor initializer if it is initializing a member, as
|
|
opposed to a base.
|
|
|
|
Given
|
|
struct B {};
|
|
struct D : B {
|
|
int I;
|
|
D(int i) : I(i) {}
|
|
};
|
|
struct E : B {
|
|
E() : B() {}
|
|
};
|
|
cxxConstructorDecl(hasAnyConstructorInitializer(isMemberInitializer()))
|
|
will match D(int), but not match E().
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXCtorInitializer.html">CXXCtorInitializer</a>></td><td class="name" onclick="toggle('isWritten0')"><a name="isWritten0Anchor">isWritten</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isWritten0"><pre>Matches a constructor initializer if it is explicitly written in
|
|
code (as opposed to implicitly added by the compiler).
|
|
|
|
Given
|
|
struct Foo {
|
|
Foo() { }
|
|
Foo(int) : foo_("A") { }
|
|
string foo_;
|
|
};
|
|
cxxConstructorDecl(hasAnyConstructorInitializer(isWritten()))
|
|
will match Foo(int), but not Foo()
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXDeductionGuideDecl.html">CXXDeductionGuideDecl</a>></td><td class="name" onclick="toggle('isExplicit2')"><a name="isExplicit2Anchor">isExplicit</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isExplicit2"><pre>Matches constructor, conversion function, and deduction guide declarations
|
|
that have an explicit specifier if this explicit specifier is resolved to
|
|
true.
|
|
|
|
Given
|
|
template<bool b>
|
|
struct S {
|
|
S(int); // #1
|
|
explicit S(double); // #2
|
|
operator int(); // #3
|
|
explicit operator bool(); // #4
|
|
explicit(false) S(bool) // # 7
|
|
explicit(true) S(char) // # 8
|
|
explicit(b) S(S) // # 9
|
|
};
|
|
S(int) -> S<true> // #5
|
|
explicit S(double) -> S<false> // #6
|
|
cxxConstructorDecl(isExplicit()) will match #2 and #8, but not #1, #7 or #9.
|
|
cxxConversionDecl(isExplicit()) will match #4, but not #3.
|
|
cxxDeductionGuideDecl(isExplicit()) will match #6, but not #5.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXDependentScopeMemberExpr.html">CXXDependentScopeMemberExpr</a>></td><td class="name" onclick="toggle('isArrow2')"><a name="isArrow2Anchor">isArrow</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isArrow2"><pre>Matches member expressions that are called with '->' as opposed
|
|
to '.'.
|
|
|
|
Member calls on the implicit this pointer match as called with '->'.
|
|
|
|
Given
|
|
class Y {
|
|
void x() { this->x(); x(); Y y; y.x(); a; this->b; Y::b; }
|
|
template <class T> void f() { this->f<T>(); f<T>(); }
|
|
int a;
|
|
static int b;
|
|
};
|
|
template <class T>
|
|
class Z {
|
|
void x() { this->m; }
|
|
};
|
|
memberExpr(isArrow())
|
|
matches this->x, x, y.x, a, this->b
|
|
cxxDependentScopeMemberExpr(isArrow())
|
|
matches this->m
|
|
unresolvedMemberExpr(isArrow())
|
|
matches this->f<T>, f<T>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>></td><td class="name" onclick="toggle('isConst0')"><a name="isConst0Anchor">isConst</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isConst0"><pre>Matches if the given method declaration is const.
|
|
|
|
Given
|
|
struct A {
|
|
void foo() const;
|
|
void bar();
|
|
};
|
|
|
|
cxxMethodDecl(isConst()) matches A::foo() but not A::bar()
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>></td><td class="name" onclick="toggle('isCopyAssignmentOperator0')"><a name="isCopyAssignmentOperator0Anchor">isCopyAssignmentOperator</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isCopyAssignmentOperator0"><pre>Matches if the given method declaration declares a copy assignment
|
|
operator.
|
|
|
|
Given
|
|
struct A {
|
|
A &operator=(const A &);
|
|
A &operator=(A &&);
|
|
};
|
|
|
|
cxxMethodDecl(isCopyAssignmentOperator()) matches the first method but not
|
|
the second one.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>></td><td class="name" onclick="toggle('isFinal1')"><a name="isFinal1Anchor">isFinal</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isFinal1"><pre>Matches if the given method or class declaration is final.
|
|
|
|
Given:
|
|
class A final {};
|
|
|
|
struct B {
|
|
virtual void f();
|
|
};
|
|
|
|
struct C : B {
|
|
void f() final;
|
|
};
|
|
matches A and C::f, but not B, C, or B::f
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>></td><td class="name" onclick="toggle('isMoveAssignmentOperator0')"><a name="isMoveAssignmentOperator0Anchor">isMoveAssignmentOperator</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isMoveAssignmentOperator0"><pre>Matches if the given method declaration declares a move assignment
|
|
operator.
|
|
|
|
Given
|
|
struct A {
|
|
A &operator=(const A &);
|
|
A &operator=(A &&);
|
|
};
|
|
|
|
cxxMethodDecl(isMoveAssignmentOperator()) matches the second method but not
|
|
the first one.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>></td><td class="name" onclick="toggle('isOverride0')"><a name="isOverride0Anchor">isOverride</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isOverride0"><pre>Matches if the given method declaration overrides another method.
|
|
|
|
Given
|
|
class A {
|
|
public:
|
|
virtual void x();
|
|
};
|
|
class B : public A {
|
|
public:
|
|
virtual void x();
|
|
};
|
|
matches B::x
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>></td><td class="name" onclick="toggle('isPure0')"><a name="isPure0Anchor">isPure</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isPure0"><pre>Matches if the given method declaration is pure.
|
|
|
|
Given
|
|
class A {
|
|
public:
|
|
virtual void x() = 0;
|
|
};
|
|
matches A::x
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>></td><td class="name" onclick="toggle('isUserProvided0')"><a name="isUserProvided0Anchor">isUserProvided</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isUserProvided0"><pre>Matches method declarations that are user-provided.
|
|
|
|
Given
|
|
struct S {
|
|
S(); // #1
|
|
S(const S &) = default; // #2
|
|
S(S &&) = delete; // #3
|
|
};
|
|
cxxConstructorDecl(isUserProvided()) will match #1, but not #2 or #3.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>></td><td class="name" onclick="toggle('isVirtual0')"><a name="isVirtual0Anchor">isVirtual</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isVirtual0"><pre>Matches if the given method declaration is virtual.
|
|
|
|
Given
|
|
class A {
|
|
public:
|
|
virtual void x();
|
|
};
|
|
matches A::x
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>></td><td class="name" onclick="toggle('isVirtualAsWritten0')"><a name="isVirtualAsWritten0Anchor">isVirtualAsWritten</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isVirtualAsWritten0"><pre>Matches if the given method declaration has an explicit "virtual".
|
|
|
|
Given
|
|
class A {
|
|
public:
|
|
virtual void x();
|
|
};
|
|
class B : public A {
|
|
public:
|
|
void x();
|
|
};
|
|
matches A::x but not B::x
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXNewExpr.html">CXXNewExpr</a>></td><td class="name" onclick="toggle('isArray0')"><a name="isArray0Anchor">isArray</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isArray0"><pre>Matches array new expressions.
|
|
|
|
Given:
|
|
MyClass *p1 = new MyClass[10];
|
|
cxxNewExpr(isArray())
|
|
matches the expression 'new MyClass[10]'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXOperatorCallExpr.html">CXXOperatorCallExpr</a>></td><td class="name" onclick="toggle('hasOverloadedOperatorName1')"><a name="hasOverloadedOperatorName1Anchor">hasOverloadedOperatorName</a></td><td>StringRef Name</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasOverloadedOperatorName1"><pre>Matches overloaded operator names.
|
|
|
|
Matches overloaded operator names specified in strings without the
|
|
"operator" prefix: e.g. "<<".
|
|
|
|
Given:
|
|
class A { int operator*(); };
|
|
const A &operator<<(const A &a, const A &b);
|
|
A a;
|
|
a << a; // <-- This matches
|
|
|
|
cxxOperatorCallExpr(hasOverloadedOperatorName("<<"))) matches the
|
|
specified line and
|
|
cxxRecordDecl(hasMethod(hasOverloadedOperatorName("*")))
|
|
matches the declaration of A.
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXOperatorCallExpr.html">CXXOperatorCallExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXOperatorCallExpr.html">CXXOperatorCallExpr</a>></td><td class="name" onclick="toggle('isAssignmentOperator1')"><a name="isAssignmentOperator1Anchor">isAssignmentOperator</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isAssignmentOperator1"><pre>Matches all kinds of assignment operators.
|
|
|
|
Example 1: matches a += b (matcher = binaryOperator(isAssignmentOperator()))
|
|
if (a == b)
|
|
a += b;
|
|
|
|
Example 2: matches s1 = s2
|
|
(matcher = cxxOperatorCallExpr(isAssignmentOperator()))
|
|
struct S { S& operator=(const S&); };
|
|
void x() { S s1, s2; s1 = s2; })
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>></td><td class="name" onclick="toggle('hasDefinition0')"><a name="hasDefinition0Anchor">hasDefinition</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDefinition0"><pre>Matches a class declaration that is defined.
|
|
|
|
Example matches x (matcher = cxxRecordDecl(hasDefinition()))
|
|
class x {};
|
|
class y;
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>></td><td class="name" onclick="toggle('isDerivedFrom2')"><a name="isDerivedFrom2Anchor">isDerivedFrom</a></td><td>std::string BaseName</td></tr>
|
|
<tr><td colspan="4" class="doc" id="isDerivedFrom2"><pre>Overloaded method as shortcut for isDerivedFrom(hasName(...)).
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>></td><td class="name" onclick="toggle('isDirectlyDerivedFrom2')"><a name="isDirectlyDerivedFrom2Anchor">isDirectlyDerivedFrom</a></td><td>std::string BaseName</td></tr>
|
|
<tr><td colspan="4" class="doc" id="isDirectlyDerivedFrom2"><pre>Overloaded method as shortcut for isDirectlyDerivedFrom(hasName(...)).
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>></td><td class="name" onclick="toggle('isExplicitTemplateSpecialization2')"><a name="isExplicitTemplateSpecialization2Anchor">isExplicitTemplateSpecialization</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isExplicitTemplateSpecialization2"><pre>Matches explicit template specializations of function, class, or
|
|
static member variable template instantiations.
|
|
|
|
Given
|
|
template<typename T> void A(T t) { }
|
|
template<> void A(int N) { }
|
|
functionDecl(isExplicitTemplateSpecialization())
|
|
matches the specialization A<int>().
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>></td><td class="name" onclick="toggle('isFinal0')"><a name="isFinal0Anchor">isFinal</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isFinal0"><pre>Matches if the given method or class declaration is final.
|
|
|
|
Given:
|
|
class A final {};
|
|
|
|
struct B {
|
|
virtual void f();
|
|
};
|
|
|
|
struct C : B {
|
|
void f() final;
|
|
};
|
|
matches A and C::f, but not B, C, or B::f
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>></td><td class="name" onclick="toggle('isLambda0')"><a name="isLambda0Anchor">isLambda</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isLambda0"><pre>Matches the generated class of lambda expressions.
|
|
|
|
Given:
|
|
auto x = []{};
|
|
|
|
cxxRecordDecl(isLambda()) matches the implicit class declaration of
|
|
decltype(x)
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>></td><td class="name" onclick="toggle('isSameOrDerivedFrom2')"><a name="isSameOrDerivedFrom2Anchor">isSameOrDerivedFrom</a></td><td>std::string BaseName</td></tr>
|
|
<tr><td colspan="4" class="doc" id="isSameOrDerivedFrom2"><pre>Overloaded method as shortcut for
|
|
isSameOrDerivedFrom(hasName(...)).
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>></td><td class="name" onclick="toggle('isTemplateInstantiation2')"><a name="isTemplateInstantiation2Anchor">isTemplateInstantiation</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isTemplateInstantiation2"><pre>Matches template instantiations of function, class, or static
|
|
member variable template instantiations.
|
|
|
|
Given
|
|
template <typename T> class X {}; class A {}; X<A> x;
|
|
or
|
|
template <typename T> class X {}; class A {}; template class X<A>;
|
|
or
|
|
template <typename T> class X {}; class A {}; extern template class X<A>;
|
|
cxxRecordDecl(hasName("::X"), isTemplateInstantiation())
|
|
matches the template instantiation of X<A>.
|
|
|
|
But given
|
|
template <typename T> class X {}; class A {};
|
|
template <> class X<A> {}; X<A> x;
|
|
cxxRecordDecl(hasName("::X"), isTemplateInstantiation())
|
|
does not match, as X<A> is an explicit template specialization.
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>></td><td class="name" onclick="toggle('argumentCountIs0')"><a name="argumentCountIs0Anchor">argumentCountIs</a></td><td>unsigned N</td></tr>
|
|
<tr><td colspan="4" class="doc" id="argumentCountIs0"><pre>Checks that a call expression or a constructor call expression has
|
|
a specific number of arguments (including absent default arguments).
|
|
|
|
Example matches f(0, 0) (matcher = callExpr(argumentCountIs(2)))
|
|
void f(int x, int y);
|
|
f(0, 0);
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>></td><td class="name" onclick="toggle('usesADL0')"><a name="usesADL0Anchor">usesADL</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="usesADL0"><pre>Matches call expressions which were resolved using ADL.
|
|
|
|
Example matches y(x) but not y(42) or NS::y(x).
|
|
namespace NS {
|
|
struct X {};
|
|
void y(X);
|
|
}
|
|
|
|
void y(...);
|
|
|
|
void test() {
|
|
NS::X x;
|
|
y(x); // Matches
|
|
NS::y(x); // Doesn't match
|
|
y(42); // Doesn't match
|
|
using NS::y;
|
|
y(x); // Found by both unqualified lookup and ADL, doesn't match
|
|
}
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CastExpr.html">CastExpr</a>></td><td class="name" onclick="toggle('hasCastKind0')"><a name="hasCastKind0Anchor">hasCastKind</a></td><td>CastKind Kind</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasCastKind0"><pre>Matches casts that has a given cast kind.
|
|
|
|
Example: matches the implicit cast around 0
|
|
(matcher = castExpr(hasCastKind(CK_NullToPointer)))
|
|
int *p = 0;
|
|
|
|
If the matcher is use from clang-query, CastKind parameter
|
|
should be passed as a quoted string. e.g., ofKind("CK_NullToPointer").
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CharacterLiteral.html">CharacterLiteral</a>></td><td class="name" onclick="toggle('equals4')"><a name="equals4Anchor">equals</a></td><td>bool Value</td></tr>
|
|
<tr><td colspan="4" class="doc" id="equals4"><pre></pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CharacterLiteral.html">CharacterLiteral</a>></td><td class="name" onclick="toggle('equals3')"><a name="equals3Anchor">equals</a></td><td>const ValueT Value</td></tr>
|
|
<tr><td colspan="4" class="doc" id="equals3"><pre>Matches literals that are equal to the given value of type ValueT.
|
|
|
|
Given
|
|
f('false, 3.14, 42);
|
|
characterLiteral(equals(0))
|
|
matches 'cxxBoolLiteral(equals(false)) and cxxBoolLiteral(equals(0))
|
|
match false
|
|
floatLiteral(equals(3.14)) and floatLiteral(equals(314e-2))
|
|
match 3.14
|
|
integerLiteral(equals(42))
|
|
matches 42
|
|
|
|
Note that you cannot directly match a negative numeric literal because the
|
|
minus sign is not part of the literal: It is a unary operator whose operand
|
|
is the positive numeric literal. Instead, you must use a unaryOperator()
|
|
matcher to match the minus sign:
|
|
|
|
unaryOperator(hasOperatorName("-"),
|
|
hasUnaryOperand(integerLiteral(equals(13))))
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CharacterLiteral.html">CharacterLiteral</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXBoolLiteralExpr.html">CXXBoolLiteralExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FloatingLiteral.html">FloatingLiteral</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1IntegerLiteral.html">IntegerLiteral</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CharacterLiteral.html">CharacterLiteral</a>></td><td class="name" onclick="toggle('equals10')"><a name="equals10Anchor">equals</a></td><td>double Value</td></tr>
|
|
<tr><td colspan="4" class="doc" id="equals10"><pre></pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CharacterLiteral.html">CharacterLiteral</a>></td><td class="name" onclick="toggle('equals7')"><a name="equals7Anchor">equals</a></td><td>unsigned Value</td></tr>
|
|
<tr><td colspan="4" class="doc" id="equals7"><pre></pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ClassTemplateSpecializationDecl.html">ClassTemplateSpecializationDecl</a>></td><td class="name" onclick="toggle('templateArgumentCountIs0')"><a name="templateArgumentCountIs0Anchor">templateArgumentCountIs</a></td><td>unsigned N</td></tr>
|
|
<tr><td colspan="4" class="doc" id="templateArgumentCountIs0"><pre>Matches if the number of template arguments equals N.
|
|
|
|
Given
|
|
template<typename T> struct C {};
|
|
C<int> c;
|
|
classTemplateSpecializationDecl(templateArgumentCountIs(1))
|
|
matches C<int>.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CompoundStmt.html">CompoundStmt</a>></td><td class="name" onclick="toggle('statementCountIs0')"><a name="statementCountIs0Anchor">statementCountIs</a></td><td>unsigned N</td></tr>
|
|
<tr><td colspan="4" class="doc" id="statementCountIs0"><pre>Checks that a compound statement contains a specific number of
|
|
child statements.
|
|
|
|
Example: Given
|
|
{ for (;;) {} }
|
|
compoundStmt(statementCountIs(0)))
|
|
matches '{}'
|
|
but does not match the outer compound statement.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ConstantArrayType.html">ConstantArrayType</a>></td><td class="name" onclick="toggle('hasSize0')"><a name="hasSize0Anchor">hasSize</a></td><td>unsigned N</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasSize0"><pre>Matches nodes that have the specified size.
|
|
|
|
Given
|
|
int a[42];
|
|
int b[2 * 21];
|
|
int c[41], d[43];
|
|
char *s = "abcd";
|
|
wchar_t *ws = L"abcd";
|
|
char *w = "a";
|
|
constantArrayType(hasSize(42))
|
|
matches "int a[42]" and "int b[2 * 21]"
|
|
stringLiteral(hasSize(4))
|
|
matches "abcd", L"abcd"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DeclStmt.html">DeclStmt</a>></td><td class="name" onclick="toggle('declCountIs0')"><a name="declCountIs0Anchor">declCountIs</a></td><td>unsigned N</td></tr>
|
|
<tr><td colspan="4" class="doc" id="declCountIs0"><pre>Matches declaration statements that contain a specific number of
|
|
declarations.
|
|
|
|
Example: Given
|
|
int a, b;
|
|
int c;
|
|
int d = 2, e;
|
|
declCountIs(2)
|
|
matches 'int a, b;' and 'int d = 2, e;', but not 'int c;'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('equalsBoundNode1')"><a name="equalsBoundNode1Anchor">equalsBoundNode</a></td><td>std::string ID</td></tr>
|
|
<tr><td colspan="4" class="doc" id="equalsBoundNode1"><pre>Matches if a node equals a previously bound node.
|
|
|
|
Matches a node if it equals the node previously bound to ID.
|
|
|
|
Given
|
|
class X { int a; int b; };
|
|
cxxRecordDecl(
|
|
has(fieldDecl(hasName("a"), hasType(type().bind("t")))),
|
|
has(fieldDecl(hasName("b"), hasType(type(equalsBoundNode("t"))))))
|
|
matches the class X, as a and b have the same type.
|
|
|
|
Note that when multiple matches are involved via forEach* matchers,
|
|
equalsBoundNodes acts as a filter.
|
|
For example:
|
|
compoundStmt(
|
|
forEachDescendant(varDecl().bind("d")),
|
|
forEachDescendant(declRefExpr(to(decl(equalsBoundNode("d"))))))
|
|
will trigger a match for each combination of variable declaration
|
|
and reference to that variable declaration within a compound statement.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('equalsNode0')"><a name="equalsNode0Anchor">equalsNode</a></td><td>const Decl* Other</td></tr>
|
|
<tr><td colspan="4" class="doc" id="equalsNode0"><pre>Matches if a node equals another node.
|
|
|
|
Decl has pointer identity in the AST.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('hasAttr0')"><a name="hasAttr0Anchor">hasAttr</a></td><td>attr::Kind AttrKind</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasAttr0"><pre>Matches declaration that has a given attribute.
|
|
|
|
Given
|
|
__attribute__((device)) void f() { ... }
|
|
decl(hasAttr(clang::attr::CUDADevice)) matches the function declaration of
|
|
f. If the matcher is used from clang-query, attr::Kind parameter should be
|
|
passed as a quoted string. e.g., hasAttr("attr::CUDADevice").
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('isExpansionInFileMatching0')"><a name="isExpansionInFileMatching0Anchor">isExpansionInFileMatching</a></td><td>std::string RegExp</td></tr>
|
|
<tr><td colspan="4" class="doc" id="isExpansionInFileMatching0"><pre>Matches AST nodes that were expanded within files whose name is
|
|
partially matching a given regex.
|
|
|
|
Example matches Y but not X
|
|
(matcher = cxxRecordDecl(isExpansionInFileMatching("AST.*"))
|
|
#include "ASTMatcher.h"
|
|
class X {};
|
|
ASTMatcher.h:
|
|
class Y {};
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('isExpansionInMainFile0')"><a name="isExpansionInMainFile0Anchor">isExpansionInMainFile</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isExpansionInMainFile0"><pre>Matches AST nodes that were expanded within the main-file.
|
|
|
|
Example matches X but not Y
|
|
(matcher = cxxRecordDecl(isExpansionInMainFile())
|
|
#include <Y.h>
|
|
class X {};
|
|
Y.h:
|
|
class Y {};
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('isExpansionInSystemHeader0')"><a name="isExpansionInSystemHeader0Anchor">isExpansionInSystemHeader</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isExpansionInSystemHeader0"><pre>Matches AST nodes that were expanded within system-header-files.
|
|
|
|
Example matches Y but not X
|
|
(matcher = cxxRecordDecl(isExpansionInSystemHeader())
|
|
#include <SystemHeader.h>
|
|
class X {};
|
|
SystemHeader.h:
|
|
class Y {};
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('isImplicit0')"><a name="isImplicit0Anchor">isImplicit</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isImplicit0"><pre>Matches a declaration that has been implicitly added
|
|
by the compiler (eg. implicit default/copy constructors).
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('isInStdNamespace0')"><a name="isInStdNamespace0Anchor">isInStdNamespace</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isInStdNamespace0"><pre>Matches declarations in the namespace `std`, but not in nested namespaces.
|
|
|
|
Given
|
|
class vector {};
|
|
namespace foo {
|
|
class vector {};
|
|
namespace std {
|
|
class vector {};
|
|
}
|
|
}
|
|
namespace std {
|
|
inline namespace __1 {
|
|
class vector {}; // #1
|
|
namespace experimental {
|
|
class vector {};
|
|
}
|
|
}
|
|
}
|
|
cxxRecordDecl(hasName("vector"), isInStdNamespace()) will match only #1.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('isPrivate0')"><a name="isPrivate0Anchor">isPrivate</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isPrivate0"><pre>Matches private C++ declarations.
|
|
|
|
Given
|
|
class C {
|
|
public: int a;
|
|
protected: int b;
|
|
private: int c;
|
|
};
|
|
fieldDecl(isPrivate())
|
|
matches 'int c;'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('isProtected0')"><a name="isProtected0Anchor">isProtected</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isProtected0"><pre>Matches protected C++ declarations.
|
|
|
|
Given
|
|
class C {
|
|
public: int a;
|
|
protected: int b;
|
|
private: int c;
|
|
};
|
|
fieldDecl(isProtected())
|
|
matches 'int b;'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('isPublic0')"><a name="isPublic0Anchor">isPublic</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isPublic0"><pre>Matches public C++ declarations.
|
|
|
|
Given
|
|
class C {
|
|
public: int a;
|
|
protected: int b;
|
|
private: int c;
|
|
};
|
|
fieldDecl(isPublic())
|
|
matches 'int a;'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DesignatedInitExpr.html">DesignatedInitExpr</a>></td><td class="name" onclick="toggle('designatorCountIs0')"><a name="designatorCountIs0Anchor">designatorCountIs</a></td><td>unsigned N</td></tr>
|
|
<tr><td colspan="4" class="doc" id="designatorCountIs0"><pre>Matches designated initializer expressions that contain
|
|
a specific number of designators.
|
|
|
|
Example: Given
|
|
point ptarray[10] = { [2].y = 1.0, [0].x = 1.0 };
|
|
point ptarray2[10] = { [2].y = 1.0, [2].x = 0.0, [0].x = 1.0 };
|
|
designatorCountIs(2)
|
|
matches '{ [2].y = 1.0, [0].x = 1.0 }',
|
|
but not '{ [2].y = 1.0, [2].x = 0.0, [0].x = 1.0 }'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1EnumDecl.html">EnumDecl</a>></td><td class="name" onclick="toggle('isScoped0')"><a name="isScoped0Anchor">isScoped</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isScoped0"><pre>Matches C++11 scoped enum declaration.
|
|
|
|
Example matches Y (matcher = enumDecl(isScoped()))
|
|
enum X {};
|
|
enum class Y {};
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>></td><td class="name" onclick="toggle('isInstantiationDependent0')"><a name="isInstantiationDependent0Anchor">isInstantiationDependent</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isInstantiationDependent0"><pre>Matches expressions that are instantiation-dependent even if it is
|
|
neither type- nor value-dependent.
|
|
|
|
In the following example, the expression sizeof(sizeof(T() + T()))
|
|
is instantiation-dependent (since it involves a template parameter T),
|
|
but is neither type- nor value-dependent, since the type of the inner
|
|
sizeof is known (std::size_t) and therefore the size of the outer
|
|
sizeof is known.
|
|
template<typename T>
|
|
void f(T x, T y) { sizeof(sizeof(T() + T()); }
|
|
expr(isInstantiationDependent()) matches sizeof(sizeof(T() + T())
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>></td><td class="name" onclick="toggle('isTypeDependent0')"><a name="isTypeDependent0Anchor">isTypeDependent</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isTypeDependent0"><pre>Matches expressions that are type-dependent because the template type
|
|
is not yet instantiated.
|
|
|
|
For example, the expressions "x" and "x + y" are type-dependent in
|
|
the following code, but "y" is not type-dependent:
|
|
template<typename T>
|
|
void add(T x, int y) {
|
|
x + y;
|
|
}
|
|
expr(isTypeDependent()) matches x + y
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>></td><td class="name" onclick="toggle('isValueDependent0')"><a name="isValueDependent0Anchor">isValueDependent</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isValueDependent0"><pre>Matches expression that are value-dependent because they contain a
|
|
non-type template parameter.
|
|
|
|
For example, the array bound of "Chars" in the following example is
|
|
value-dependent.
|
|
template<int Size> int f() { return Size; }
|
|
expr(isValueDependent()) matches return Size
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>></td><td class="name" onclick="toggle('nullPointerConstant0')"><a name="nullPointerConstant0Anchor">nullPointerConstant</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="nullPointerConstant0"><pre>Matches expressions that resolve to a null pointer constant, such as
|
|
GNU's __null, C++11's nullptr, or C's NULL macro.
|
|
|
|
Given:
|
|
void *v1 = NULL;
|
|
void *v2 = nullptr;
|
|
void *v3 = __null; // GNU extension
|
|
char *cp = (char *)0;
|
|
int *ip = 0;
|
|
int i = 0;
|
|
expr(nullPointerConstant())
|
|
matches the initializer for v1, v2, v3, cp, and ip. Does not match the
|
|
initializer for i.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FieldDecl.html">FieldDecl</a>></td><td class="name" onclick="toggle('hasBitWidth0')"><a name="hasBitWidth0Anchor">hasBitWidth</a></td><td>unsigned Width</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasBitWidth0"><pre>Matches non-static data members that are bit-fields of the specified
|
|
bit width.
|
|
|
|
Given
|
|
class C {
|
|
int a : 2;
|
|
int b : 4;
|
|
int c : 2;
|
|
};
|
|
fieldDecl(hasBitWidth(2))
|
|
matches 'int a;' and 'int c;' but not 'int b;'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FieldDecl.html">FieldDecl</a>></td><td class="name" onclick="toggle('isBitField0')"><a name="isBitField0Anchor">isBitField</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isBitField0"><pre>Matches non-static data members that are bit-fields.
|
|
|
|
Given
|
|
class C {
|
|
int a : 2;
|
|
int b;
|
|
};
|
|
fieldDecl(isBitField())
|
|
matches 'int a;' but not 'int b;'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FloatingLiteral.html">FloatingLiteral</a>></td><td class="name" onclick="toggle('equals1')"><a name="equals1Anchor">equals</a></td><td>const ValueT Value</td></tr>
|
|
<tr><td colspan="4" class="doc" id="equals1"><pre>Matches literals that are equal to the given value of type ValueT.
|
|
|
|
Given
|
|
f('false, 3.14, 42);
|
|
characterLiteral(equals(0))
|
|
matches 'cxxBoolLiteral(equals(false)) and cxxBoolLiteral(equals(0))
|
|
match false
|
|
floatLiteral(equals(3.14)) and floatLiteral(equals(314e-2))
|
|
match 3.14
|
|
integerLiteral(equals(42))
|
|
matches 42
|
|
|
|
Note that you cannot directly match a negative numeric literal because the
|
|
minus sign is not part of the literal: It is a unary operator whose operand
|
|
is the positive numeric literal. Instead, you must use a unaryOperator()
|
|
matcher to match the minus sign:
|
|
|
|
unaryOperator(hasOperatorName("-"),
|
|
hasUnaryOperand(integerLiteral(equals(13))))
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CharacterLiteral.html">CharacterLiteral</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXBoolLiteralExpr.html">CXXBoolLiteralExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FloatingLiteral.html">FloatingLiteral</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1IntegerLiteral.html">IntegerLiteral</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FloatingLiteral.html">FloatingLiteral</a>></td><td class="name" onclick="toggle('equals12')"><a name="equals12Anchor">equals</a></td><td>double Value</td></tr>
|
|
<tr><td colspan="4" class="doc" id="equals12"><pre></pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></td><td class="name" onclick="toggle('hasDynamicExceptionSpec0')"><a name="hasDynamicExceptionSpec0Anchor">hasDynamicExceptionSpec</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDynamicExceptionSpec0"><pre>Matches functions that have a dynamic exception specification.
|
|
|
|
Given:
|
|
void f();
|
|
void g() noexcept;
|
|
void h() noexcept(true);
|
|
void i() noexcept(false);
|
|
void j() throw();
|
|
void k() throw(int);
|
|
void l() throw(...);
|
|
functionDecl(hasDynamicExceptionSpec()) and
|
|
functionProtoType(hasDynamicExceptionSpec())
|
|
match the declarations of j, k, and l, but not f, g, h, or i.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></td><td class="name" onclick="toggle('hasOverloadedOperatorName0')"><a name="hasOverloadedOperatorName0Anchor">hasOverloadedOperatorName</a></td><td>StringRef Name</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasOverloadedOperatorName0"><pre>Matches overloaded operator names.
|
|
|
|
Matches overloaded operator names specified in strings without the
|
|
"operator" prefix: e.g. "<<".
|
|
|
|
Given:
|
|
class A { int operator*(); };
|
|
const A &operator<<(const A &a, const A &b);
|
|
A a;
|
|
a << a; // <-- This matches
|
|
|
|
cxxOperatorCallExpr(hasOverloadedOperatorName("<<"))) matches the
|
|
specified line and
|
|
cxxRecordDecl(hasMethod(hasOverloadedOperatorName("*")))
|
|
matches the declaration of A.
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXOperatorCallExpr.html">CXXOperatorCallExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></td><td class="name" onclick="toggle('hasTrailingReturn0')"><a name="hasTrailingReturn0Anchor">hasTrailingReturn</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasTrailingReturn0"><pre>Matches a function declared with a trailing return type.
|
|
|
|
Example matches Y (matcher = functionDecl(hasTrailingReturn()))
|
|
int X() {}
|
|
auto Y() -> int {}
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></td><td class="name" onclick="toggle('isConstexpr1')"><a name="isConstexpr1Anchor">isConstexpr</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isConstexpr1"><pre>Matches constexpr variable and function declarations,
|
|
and if constexpr.
|
|
|
|
Given:
|
|
constexpr int foo = 42;
|
|
constexpr int bar();
|
|
void baz() { if constexpr(1 > 0) {} }
|
|
varDecl(isConstexpr())
|
|
matches the declaration of foo.
|
|
functionDecl(isConstexpr())
|
|
matches the declaration of bar.
|
|
ifStmt(isConstexpr())
|
|
matches the if statement in baz.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></td><td class="name" onclick="toggle('isDefaulted0')"><a name="isDefaulted0Anchor">isDefaulted</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isDefaulted0"><pre>Matches defaulted function declarations.
|
|
|
|
Given:
|
|
class A { ~A(); };
|
|
class B { ~B() = default; };
|
|
functionDecl(isDefaulted())
|
|
matches the declaration of ~B, but not ~A.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></td><td class="name" onclick="toggle('isDefinition3')"><a name="isDefinition3Anchor">isDefinition</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isDefinition3"><pre>Matches if a declaration has a body attached.
|
|
|
|
Example matches A, va, fa
|
|
class A {};
|
|
class B; // Doesn't match, as it has no body.
|
|
int va;
|
|
extern int vb; // Doesn't match, as it doesn't define the variable.
|
|
void fa() {}
|
|
void fb(); // Doesn't match, as it has no body.
|
|
@interface X
|
|
- (void)ma; // Doesn't match, interface is declaration.
|
|
@end
|
|
@implementation X
|
|
- (void)ma {}
|
|
@end
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TagDecl.html">TagDecl</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCMethodDecl.html">ObjCMethodDecl</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></td><td class="name" onclick="toggle('isDeleted0')"><a name="isDeleted0Anchor">isDeleted</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isDeleted0"><pre>Matches deleted function declarations.
|
|
|
|
Given:
|
|
void Func();
|
|
void DeletedFunc() = delete;
|
|
functionDecl(isDeleted())
|
|
matches the declaration of DeletedFunc, but not Func.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></td><td class="name" onclick="toggle('isExplicitTemplateSpecialization0')"><a name="isExplicitTemplateSpecialization0Anchor">isExplicitTemplateSpecialization</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isExplicitTemplateSpecialization0"><pre>Matches explicit template specializations of function, class, or
|
|
static member variable template instantiations.
|
|
|
|
Given
|
|
template<typename T> void A(T t) { }
|
|
template<> void A(int N) { }
|
|
functionDecl(isExplicitTemplateSpecialization())
|
|
matches the specialization A<int>().
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></td><td class="name" onclick="toggle('isExternC0')"><a name="isExternC0Anchor">isExternC</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isExternC0"><pre>Matches extern "C" function or variable declarations.
|
|
|
|
Given:
|
|
extern "C" void f() {}
|
|
extern "C" { void g() {} }
|
|
void h() {}
|
|
extern "C" int x = 1;
|
|
extern "C" int y = 2;
|
|
int z = 3;
|
|
functionDecl(isExternC())
|
|
matches the declaration of f and g, but not the declaration of h.
|
|
varDecl(isExternC())
|
|
matches the declaration of x and y, but not the declaration of z.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></td><td class="name" onclick="toggle('isInline1')"><a name="isInline1Anchor">isInline</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isInline1"><pre>Matches function and namespace declarations that are marked with
|
|
the inline keyword.
|
|
|
|
Given
|
|
inline void f();
|
|
void g();
|
|
namespace n {
|
|
inline namespace m {}
|
|
}
|
|
functionDecl(isInline()) will match ::f().
|
|
namespaceDecl(isInline()) will match n::m.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></td><td class="name" onclick="toggle('isMain0')"><a name="isMain0Anchor">isMain</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isMain0"><pre>Determines whether the function is "main", which is the entry point
|
|
into an executable program.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></td><td class="name" onclick="toggle('isNoReturn0')"><a name="isNoReturn0Anchor">isNoReturn</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isNoReturn0"><pre>Matches FunctionDecls that have a noreturn attribute.
|
|
|
|
Given
|
|
void nope();
|
|
[[noreturn]] void a();
|
|
__attribute__((noreturn)) void b();
|
|
struct c { [[noreturn]] c(); };
|
|
functionDecl(isNoReturn())
|
|
matches all of those except
|
|
void nope();
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></td><td class="name" onclick="toggle('isNoThrow0')"><a name="isNoThrow0Anchor">isNoThrow</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isNoThrow0"><pre>Matches functions that have a non-throwing exception specification.
|
|
|
|
Given:
|
|
void f();
|
|
void g() noexcept;
|
|
void h() throw();
|
|
void i() throw(int);
|
|
void j() noexcept(false);
|
|
functionDecl(isNoThrow()) and functionProtoType(isNoThrow())
|
|
match the declarations of g, and h, but not f, i or j.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></td><td class="name" onclick="toggle('isStaticStorageClass0')"><a name="isStaticStorageClass0Anchor">isStaticStorageClass</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isStaticStorageClass0"><pre>Matches variable/function declarations that have "static" storage
|
|
class specifier ("static" keyword) written in the source.
|
|
|
|
Given:
|
|
static void f() {}
|
|
static int i = 0;
|
|
extern int j;
|
|
int k;
|
|
functionDecl(isStaticStorageClass())
|
|
matches the function declaration f.
|
|
varDecl(isStaticStorageClass())
|
|
matches the variable declaration i.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></td><td class="name" onclick="toggle('isTemplateInstantiation0')"><a name="isTemplateInstantiation0Anchor">isTemplateInstantiation</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isTemplateInstantiation0"><pre>Matches template instantiations of function, class, or static
|
|
member variable template instantiations.
|
|
|
|
Given
|
|
template <typename T> class X {}; class A {}; X<A> x;
|
|
or
|
|
template <typename T> class X {}; class A {}; template class X<A>;
|
|
or
|
|
template <typename T> class X {}; class A {}; extern template class X<A>;
|
|
cxxRecordDecl(hasName("::X"), isTemplateInstantiation())
|
|
matches the template instantiation of X<A>.
|
|
|
|
But given
|
|
template <typename T> class X {}; class A {};
|
|
template <> class X<A> {}; X<A> x;
|
|
cxxRecordDecl(hasName("::X"), isTemplateInstantiation())
|
|
does not match, as X<A> is an explicit template specialization.
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></td><td class="name" onclick="toggle('isVariadic0')"><a name="isVariadic0Anchor">isVariadic</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isVariadic0"><pre>Matches if a function declaration is variadic.
|
|
|
|
Example matches f, but not g or h. The function i will not match, even when
|
|
compiled in C mode.
|
|
void f(...);
|
|
void g(int);
|
|
template <typename... Ts> void h(Ts...);
|
|
void i();
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></td><td class="name" onclick="toggle('parameterCountIs0')"><a name="parameterCountIs0Anchor">parameterCountIs</a></td><td>unsigned N</td></tr>
|
|
<tr><td colspan="4" class="doc" id="parameterCountIs0"><pre>Matches FunctionDecls and FunctionProtoTypes that have a
|
|
specific parameter count.
|
|
|
|
Given
|
|
void f(int i) {}
|
|
void g(int i, int j) {}
|
|
void h(int i, int j);
|
|
void j(int i);
|
|
void k(int x, int y, int z, ...);
|
|
functionDecl(parameterCountIs(2))
|
|
matches g and h
|
|
functionProtoType(parameterCountIs(2))
|
|
matches g and h
|
|
functionProtoType(parameterCountIs(3))
|
|
matches k
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionProtoType.html">FunctionProtoType</a>></td><td class="name" onclick="toggle('hasDynamicExceptionSpec1')"><a name="hasDynamicExceptionSpec1Anchor">hasDynamicExceptionSpec</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDynamicExceptionSpec1"><pre>Matches functions that have a dynamic exception specification.
|
|
|
|
Given:
|
|
void f();
|
|
void g() noexcept;
|
|
void h() noexcept(true);
|
|
void i() noexcept(false);
|
|
void j() throw();
|
|
void k() throw(int);
|
|
void l() throw(...);
|
|
functionDecl(hasDynamicExceptionSpec()) and
|
|
functionProtoType(hasDynamicExceptionSpec())
|
|
match the declarations of j, k, and l, but not f, g, h, or i.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionProtoType.html">FunctionProtoType</a>></td><td class="name" onclick="toggle('isNoThrow1')"><a name="isNoThrow1Anchor">isNoThrow</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isNoThrow1"><pre>Matches functions that have a non-throwing exception specification.
|
|
|
|
Given:
|
|
void f();
|
|
void g() noexcept;
|
|
void h() throw();
|
|
void i() throw(int);
|
|
void j() noexcept(false);
|
|
functionDecl(isNoThrow()) and functionProtoType(isNoThrow())
|
|
match the declarations of g, and h, but not f, i or j.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionProtoType.html">FunctionProtoType</a>></td><td class="name" onclick="toggle('parameterCountIs1')"><a name="parameterCountIs1Anchor">parameterCountIs</a></td><td>unsigned N</td></tr>
|
|
<tr><td colspan="4" class="doc" id="parameterCountIs1"><pre>Matches FunctionDecls and FunctionProtoTypes that have a
|
|
specific parameter count.
|
|
|
|
Given
|
|
void f(int i) {}
|
|
void g(int i, int j) {}
|
|
void h(int i, int j);
|
|
void j(int i);
|
|
void k(int x, int y, int z, ...);
|
|
functionDecl(parameterCountIs(2))
|
|
matches g and h
|
|
functionProtoType(parameterCountIs(2))
|
|
matches g and h
|
|
functionProtoType(parameterCountIs(3))
|
|
matches k
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1IfStmt.html">IfStmt</a>></td><td class="name" onclick="toggle('isConstexpr2')"><a name="isConstexpr2Anchor">isConstexpr</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isConstexpr2"><pre>Matches constexpr variable and function declarations,
|
|
and if constexpr.
|
|
|
|
Given:
|
|
constexpr int foo = 42;
|
|
constexpr int bar();
|
|
void baz() { if constexpr(1 > 0) {} }
|
|
varDecl(isConstexpr())
|
|
matches the declaration of foo.
|
|
functionDecl(isConstexpr())
|
|
matches the declaration of bar.
|
|
ifStmt(isConstexpr())
|
|
matches the if statement in baz.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1IntegerLiteral.html">IntegerLiteral</a>></td><td class="name" onclick="toggle('equals6')"><a name="equals6Anchor">equals</a></td><td>bool Value</td></tr>
|
|
<tr><td colspan="4" class="doc" id="equals6"><pre></pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1IntegerLiteral.html">IntegerLiteral</a>></td><td class="name" onclick="toggle('equals0')"><a name="equals0Anchor">equals</a></td><td>const ValueT Value</td></tr>
|
|
<tr><td colspan="4" class="doc" id="equals0"><pre>Matches literals that are equal to the given value of type ValueT.
|
|
|
|
Given
|
|
f('false, 3.14, 42);
|
|
characterLiteral(equals(0))
|
|
matches 'cxxBoolLiteral(equals(false)) and cxxBoolLiteral(equals(0))
|
|
match false
|
|
floatLiteral(equals(3.14)) and floatLiteral(equals(314e-2))
|
|
match 3.14
|
|
integerLiteral(equals(42))
|
|
matches 42
|
|
|
|
Note that you cannot directly match a negative numeric literal because the
|
|
minus sign is not part of the literal: It is a unary operator whose operand
|
|
is the positive numeric literal. Instead, you must use a unaryOperator()
|
|
matcher to match the minus sign:
|
|
|
|
unaryOperator(hasOperatorName("-"),
|
|
hasUnaryOperand(integerLiteral(equals(13))))
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CharacterLiteral.html">CharacterLiteral</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXBoolLiteralExpr.html">CXXBoolLiteralExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FloatingLiteral.html">FloatingLiteral</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1IntegerLiteral.html">IntegerLiteral</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1IntegerLiteral.html">IntegerLiteral</a>></td><td class="name" onclick="toggle('equals13')"><a name="equals13Anchor">equals</a></td><td>double Value</td></tr>
|
|
<tr><td colspan="4" class="doc" id="equals13"><pre></pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1IntegerLiteral.html">IntegerLiteral</a>></td><td class="name" onclick="toggle('equals9')"><a name="equals9Anchor">equals</a></td><td>unsigned Value</td></tr>
|
|
<tr><td colspan="4" class="doc" id="equals9"><pre></pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>></td><td class="name" onclick="toggle('isArrow0')"><a name="isArrow0Anchor">isArrow</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isArrow0"><pre>Matches member expressions that are called with '->' as opposed
|
|
to '.'.
|
|
|
|
Member calls on the implicit this pointer match as called with '->'.
|
|
|
|
Given
|
|
class Y {
|
|
void x() { this->x(); x(); Y y; y.x(); a; this->b; Y::b; }
|
|
template <class T> void f() { this->f<T>(); f<T>(); }
|
|
int a;
|
|
static int b;
|
|
};
|
|
template <class T>
|
|
class Z {
|
|
void x() { this->m; }
|
|
};
|
|
memberExpr(isArrow())
|
|
matches this->x, x, y.x, a, this->b
|
|
cxxDependentScopeMemberExpr(isArrow())
|
|
matches this->m
|
|
unresolvedMemberExpr(isArrow())
|
|
matches this->f<T>, f<T>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NamedDecl.html">NamedDecl</a>></td><td class="name" onclick="toggle('hasExternalFormalLinkage0')"><a name="hasExternalFormalLinkage0Anchor">hasExternalFormalLinkage</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasExternalFormalLinkage0"><pre>Matches a declaration that has external formal linkage.
|
|
|
|
Example matches only z (matcher = varDecl(hasExternalFormalLinkage()))
|
|
void f() {
|
|
int x;
|
|
static int y;
|
|
}
|
|
int z;
|
|
|
|
Example matches f() because it has external formal linkage despite being
|
|
unique to the translation unit as though it has internal likage
|
|
(matcher = functionDecl(hasExternalFormalLinkage()))
|
|
|
|
namespace {
|
|
void f() {}
|
|
}
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NamedDecl.html">NamedDecl</a>></td><td class="name" onclick="toggle('hasName0')"><a name="hasName0Anchor">hasName</a></td><td>const std::string Name</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasName0"><pre>Matches NamedDecl nodes that have the specified name.
|
|
|
|
Supports specifying enclosing namespaces or classes by prefixing the name
|
|
with '<enclosing>::'.
|
|
Does not match typedefs of an underlying type with the given name.
|
|
|
|
Example matches X (Name == "X")
|
|
class X;
|
|
|
|
Example matches X (Name is one of "::a::b::X", "a::b::X", "b::X", "X")
|
|
namespace a { namespace b { class X; } }
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NamedDecl.html">NamedDecl</a>></td><td class="name" onclick="toggle('matchesName0')"><a name="matchesName0Anchor">matchesName</a></td><td>std::string RegExp</td></tr>
|
|
<tr><td colspan="4" class="doc" id="matchesName0"><pre>Matches NamedDecl nodes whose fully qualified names contain
|
|
a substring matched by the given RegExp.
|
|
|
|
Supports specifying enclosing namespaces or classes by
|
|
prefixing the name with '<enclosing>::'. Does not match typedefs
|
|
of an underlying type with the given name.
|
|
|
|
Example matches X (regexp == "::X")
|
|
class X;
|
|
|
|
Example matches X (regexp is one of "::X", "^foo::.*X", among others)
|
|
namespace foo { namespace bar { class X; } }
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NamespaceDecl.html">NamespaceDecl</a>></td><td class="name" onclick="toggle('isAnonymous0')"><a name="isAnonymous0Anchor">isAnonymous</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isAnonymous0"><pre>Matches anonymous namespace declarations.
|
|
|
|
Given
|
|
namespace n {
|
|
namespace {} // #1
|
|
}
|
|
namespaceDecl(isAnonymous()) will match #1 but not ::n.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NamespaceDecl.html">NamespaceDecl</a>></td><td class="name" onclick="toggle('isInline0')"><a name="isInline0Anchor">isInline</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isInline0"><pre>Matches function and namespace declarations that are marked with
|
|
the inline keyword.
|
|
|
|
Given
|
|
inline void f();
|
|
void g();
|
|
namespace n {
|
|
inline namespace m {}
|
|
}
|
|
functionDecl(isInline()) will match ::f().
|
|
namespaceDecl(isInline()) will match n::m.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1OMPDefaultClause.html">OMPDefaultClause</a>></td><td class="name" onclick="toggle('isNoneKind0')"><a name="isNoneKind0Anchor">isNoneKind</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isNoneKind0"><pre>Matches if the OpenMP ``default`` clause has ``none`` kind specified.
|
|
|
|
Given
|
|
|
|
#pragma omp parallel
|
|
#pragma omp parallel default(none)
|
|
#pragma omp parallel default(shared)
|
|
|
|
``ompDefaultClause(isNoneKind())`` matches only ``default(none)``.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1OMPDefaultClause.html">OMPDefaultClause</a>></td><td class="name" onclick="toggle('isSharedKind0')"><a name="isSharedKind0Anchor">isSharedKind</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isSharedKind0"><pre>Matches if the OpenMP ``default`` clause has ``shared`` kind specified.
|
|
|
|
Given
|
|
|
|
#pragma omp parallel
|
|
#pragma omp parallel default(none)
|
|
#pragma omp parallel default(shared)
|
|
|
|
``ompDefaultClause(isSharedKind())`` matches only ``default(shared)``.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1OMPExecutableDirective.html">OMPExecutableDirective</a>></td><td class="name" onclick="toggle('isAllowedToContainClauseKind0')"><a name="isAllowedToContainClauseKind0Anchor">isAllowedToContainClauseKind</a></td><td>OpenMPClauseKind CKind</td></tr>
|
|
<tr><td colspan="4" class="doc" id="isAllowedToContainClauseKind0"><pre>Matches if the OpenMP directive is allowed to contain the specified OpenMP
|
|
clause kind.
|
|
|
|
Given
|
|
|
|
#pragma omp parallel
|
|
#pragma omp parallel for
|
|
#pragma omp for
|
|
|
|
`ompExecutableDirective(isAllowedToContainClause(OMPC_default))`` matches
|
|
``omp parallel`` and ``omp parallel for``.
|
|
|
|
If the matcher is use from clang-query, ``OpenMPClauseKind`` parameter
|
|
should be passed as a quoted string. e.g.,
|
|
``isAllowedToContainClauseKind("OMPC_default").``
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1OMPExecutableDirective.html">OMPExecutableDirective</a>></td><td class="name" onclick="toggle('isStandaloneDirective0')"><a name="isStandaloneDirective0Anchor">isStandaloneDirective</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isStandaloneDirective0"><pre>Matches standalone OpenMP directives,
|
|
i.e., directives that can't have a structured block.
|
|
|
|
Given
|
|
|
|
#pragma omp parallel
|
|
{}
|
|
#pragma omp taskyield
|
|
|
|
``ompExecutableDirective(isStandaloneDirective()))`` matches
|
|
``omp taskyield``.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCInterfaceDecl.html">ObjCInterfaceDecl</a>></td><td class="name" onclick="toggle('isDerivedFrom3')"><a name="isDerivedFrom3Anchor">isDerivedFrom</a></td><td>std::string BaseName</td></tr>
|
|
<tr><td colspan="4" class="doc" id="isDerivedFrom3"><pre>Overloaded method as shortcut for isDerivedFrom(hasName(...)).
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCInterfaceDecl.html">ObjCInterfaceDecl</a>></td><td class="name" onclick="toggle('isDirectlyDerivedFrom3')"><a name="isDirectlyDerivedFrom3Anchor">isDirectlyDerivedFrom</a></td><td>std::string BaseName</td></tr>
|
|
<tr><td colspan="4" class="doc" id="isDirectlyDerivedFrom3"><pre>Overloaded method as shortcut for isDirectlyDerivedFrom(hasName(...)).
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCInterfaceDecl.html">ObjCInterfaceDecl</a>></td><td class="name" onclick="toggle('isSameOrDerivedFrom3')"><a name="isSameOrDerivedFrom3Anchor">isSameOrDerivedFrom</a></td><td>std::string BaseName</td></tr>
|
|
<tr><td colspan="4" class="doc" id="isSameOrDerivedFrom3"><pre>Overloaded method as shortcut for
|
|
isSameOrDerivedFrom(hasName(...)).
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCMessageExpr.html">ObjCMessageExpr</a>></td><td class="name" onclick="toggle('argumentCountIs2')"><a name="argumentCountIs2Anchor">argumentCountIs</a></td><td>unsigned N</td></tr>
|
|
<tr><td colspan="4" class="doc" id="argumentCountIs2"><pre>Checks that a call expression or a constructor call expression has
|
|
a specific number of arguments (including absent default arguments).
|
|
|
|
Example matches f(0, 0) (matcher = callExpr(argumentCountIs(2)))
|
|
void f(int x, int y);
|
|
f(0, 0);
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCMessageExpr.html">ObjCMessageExpr</a>></td><td class="name" onclick="toggle('hasKeywordSelector0')"><a name="hasKeywordSelector0Anchor">hasKeywordSelector</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasKeywordSelector0"><pre>Matches when the selector is a keyword selector
|
|
|
|
objCMessageExpr(hasKeywordSelector()) matches the generated setFrame
|
|
message expression in
|
|
|
|
UIWebView *webView = ...;
|
|
CGRect bodyFrame = webView.frame;
|
|
bodyFrame.size.height = self.bodyContentHeight;
|
|
webView.frame = bodyFrame;
|
|
// ^---- matches here
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCMessageExpr.html">ObjCMessageExpr</a>></td><td class="name" onclick="toggle('hasNullSelector0')"><a name="hasNullSelector0Anchor">hasNullSelector</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasNullSelector0"><pre>Matches when the selector is the empty selector
|
|
|
|
Matches only when the selector of the objCMessageExpr is NULL. This may
|
|
represent an error condition in the tree!
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCMessageExpr.html">ObjCMessageExpr</a>></td><td class="name" onclick="toggle('hasSelector0')"><a name="hasSelector0Anchor">hasSelector</a></td><td>std::string BaseName</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasSelector0"><pre>Matches when BaseName == Selector.getAsString()
|
|
|
|
matcher = objCMessageExpr(hasSelector("loadHTMLString:baseURL:"));
|
|
matches the outer message expr in the code below, but NOT the message
|
|
invocation for self.bodyView.
|
|
[self.bodyView loadHTMLString:html baseURL:NULL];
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCMessageExpr.html">ObjCMessageExpr</a>></td><td class="name" onclick="toggle('hasUnarySelector0')"><a name="hasUnarySelector0Anchor">hasUnarySelector</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasUnarySelector0"><pre>Matches when the selector is a Unary Selector
|
|
|
|
matcher = objCMessageExpr(matchesSelector(hasUnarySelector());
|
|
matches self.bodyView in the code below, but NOT the outer message
|
|
invocation of "loadHTMLString:baseURL:".
|
|
[self.bodyView loadHTMLString:html baseURL:NULL];
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCMessageExpr.html">ObjCMessageExpr</a>></td><td class="name" onclick="toggle('isClassMessage0')"><a name="isClassMessage0Anchor">isClassMessage</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isClassMessage0"><pre>Returns true when the Objective-C message is sent to a class.
|
|
|
|
Example
|
|
matcher = objcMessageExpr(isClassMessage())
|
|
matches
|
|
[NSString stringWithFormat:@"format"];
|
|
but not
|
|
NSString *x = @"hello";
|
|
[x containsString:@"h"];
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCMessageExpr.html">ObjCMessageExpr</a>></td><td class="name" onclick="toggle('isInstanceMessage0')"><a name="isInstanceMessage0Anchor">isInstanceMessage</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isInstanceMessage0"><pre>Returns true when the Objective-C message is sent to an instance.
|
|
|
|
Example
|
|
matcher = objcMessageExpr(isInstanceMessage())
|
|
matches
|
|
NSString *x = @"hello";
|
|
[x containsString:@"h"];
|
|
but not
|
|
[NSString stringWithFormat:@"format"];
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCMessageExpr.html">ObjCMessageExpr</a>></td><td class="name" onclick="toggle('matchesSelector0')"><a name="matchesSelector0Anchor">matchesSelector</a></td><td>std::string RegExp</td></tr>
|
|
<tr><td colspan="4" class="doc" id="matchesSelector0"><pre>Matches ObjC selectors whose name contains
|
|
a substring matched by the given RegExp.
|
|
matcher = objCMessageExpr(matchesSelector("loadHTMLStringmatches the outer message expr in the code below, but NOT the message
|
|
invocation for self.bodyView.
|
|
[self.bodyView loadHTMLString:html baseURL:NULL];
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCMessageExpr.html">ObjCMessageExpr</a>></td><td class="name" onclick="toggle('numSelectorArgs0')"><a name="numSelectorArgs0Anchor">numSelectorArgs</a></td><td>unsigned N</td></tr>
|
|
<tr><td colspan="4" class="doc" id="numSelectorArgs0"><pre>Matches when the selector has the specified number of arguments
|
|
|
|
matcher = objCMessageExpr(numSelectorArgs(0));
|
|
matches self.bodyView in the code below
|
|
|
|
matcher = objCMessageExpr(numSelectorArgs(2));
|
|
matches the invocation of "loadHTMLString:baseURL:" but not that
|
|
of self.bodyView
|
|
[self.bodyView loadHTMLString:html baseURL:NULL];
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCMethodDecl.html">ObjCMethodDecl</a>></td><td class="name" onclick="toggle('isClassMethod0')"><a name="isClassMethod0Anchor">isClassMethod</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isClassMethod0"><pre>Returns true when the Objective-C method declaration is a class method.
|
|
|
|
Example
|
|
matcher = objcMethodDecl(isClassMethod())
|
|
matches
|
|
@interface I + (void)foo; @end
|
|
but not
|
|
@interface I - (void)bar; @end
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCMethodDecl.html">ObjCMethodDecl</a>></td><td class="name" onclick="toggle('isDefinition2')"><a name="isDefinition2Anchor">isDefinition</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isDefinition2"><pre>Matches if a declaration has a body attached.
|
|
|
|
Example matches A, va, fa
|
|
class A {};
|
|
class B; // Doesn't match, as it has no body.
|
|
int va;
|
|
extern int vb; // Doesn't match, as it doesn't define the variable.
|
|
void fa() {}
|
|
void fb(); // Doesn't match, as it has no body.
|
|
@interface X
|
|
- (void)ma; // Doesn't match, interface is declaration.
|
|
@end
|
|
@implementation X
|
|
- (void)ma {}
|
|
@end
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TagDecl.html">TagDecl</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCMethodDecl.html">ObjCMethodDecl</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCMethodDecl.html">ObjCMethodDecl</a>></td><td class="name" onclick="toggle('isInstanceMethod0')"><a name="isInstanceMethod0Anchor">isInstanceMethod</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isInstanceMethod0"><pre>Returns true when the Objective-C method declaration is an instance method.
|
|
|
|
Example
|
|
matcher = objcMethodDecl(isInstanceMethod())
|
|
matches
|
|
@interface I - (void)bar; @end
|
|
but not
|
|
@interface I + (void)foo; @end
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ParmVarDecl.html">ParmVarDecl</a>></td><td class="name" onclick="toggle('hasDefaultArgument0')"><a name="hasDefaultArgument0Anchor">hasDefaultArgument</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDefaultArgument0"><pre>Matches a declaration that has default arguments.
|
|
|
|
Example matches y (matcher = parmVarDecl(hasDefaultArgument()))
|
|
void x(int val) {}
|
|
void y(int val = 0) {}
|
|
|
|
Deprecated. Use hasInitializer() instead to be able to
|
|
match on the contents of the default argument. For example:
|
|
|
|
void x(int val = 7) {}
|
|
void y(int val = 42) {}
|
|
parmVarDecl(hasInitializer(integerLiteral(equals(42))))
|
|
matches the parameter of y
|
|
|
|
A matcher such as
|
|
parmVarDecl(hasInitializer(anything()))
|
|
is equivalent to parmVarDecl(hasDefaultArgument()).
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>></td><td class="name" onclick="toggle('asString0')"><a name="asString0Anchor">asString</a></td><td>std::string Name</td></tr>
|
|
<tr><td colspan="4" class="doc" id="asString0"><pre>Matches if the matched type is represented by the given string.
|
|
|
|
Given
|
|
class Y { public: void x(); };
|
|
void z() { Y* y; y->x(); }
|
|
cxxMemberCallExpr(on(hasType(asString("class Y *"))))
|
|
matches y->x()
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>></td><td class="name" onclick="toggle('equalsBoundNode3')"><a name="equalsBoundNode3Anchor">equalsBoundNode</a></td><td>std::string ID</td></tr>
|
|
<tr><td colspan="4" class="doc" id="equalsBoundNode3"><pre>Matches if a node equals a previously bound node.
|
|
|
|
Matches a node if it equals the node previously bound to ID.
|
|
|
|
Given
|
|
class X { int a; int b; };
|
|
cxxRecordDecl(
|
|
has(fieldDecl(hasName("a"), hasType(type().bind("t")))),
|
|
has(fieldDecl(hasName("b"), hasType(type(equalsBoundNode("t"))))))
|
|
matches the class X, as a and b have the same type.
|
|
|
|
Note that when multiple matches are involved via forEach* matchers,
|
|
equalsBoundNodes acts as a filter.
|
|
For example:
|
|
compoundStmt(
|
|
forEachDescendant(varDecl().bind("d")),
|
|
forEachDescendant(declRefExpr(to(decl(equalsBoundNode("d"))))))
|
|
will trigger a match for each combination of variable declaration
|
|
and reference to that variable declaration within a compound statement.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>></td><td class="name" onclick="toggle('hasLocalQualifiers0')"><a name="hasLocalQualifiers0Anchor">hasLocalQualifiers</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasLocalQualifiers0"><pre>Matches QualType nodes that have local CV-qualifiers attached to
|
|
the node, not hidden within a typedef.
|
|
|
|
Given
|
|
typedef const int const_int;
|
|
const_int i;
|
|
int *const j;
|
|
int *volatile k;
|
|
int m;
|
|
varDecl(hasType(hasLocalQualifiers())) matches only j and k.
|
|
i is const-qualified but the qualifier is not local.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>></td><td class="name" onclick="toggle('isAnyCharacter0')"><a name="isAnyCharacter0Anchor">isAnyCharacter</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isAnyCharacter0"><pre>Matches QualType nodes that are of character type.
|
|
|
|
Given
|
|
void a(char);
|
|
void b(wchar_t);
|
|
void c(double);
|
|
functionDecl(hasAnyParameter(hasType(isAnyCharacter())))
|
|
matches "a(char)", "b(wchar_t)", but not "c(double)".
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>></td><td class="name" onclick="toggle('isAnyPointer0')"><a name="isAnyPointer0Anchor">isAnyPointer</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isAnyPointer0"><pre>Matches QualType nodes that are of any pointer type; this includes
|
|
the Objective-C object pointer type, which is different despite being
|
|
syntactically similar.
|
|
|
|
Given
|
|
int *i = nullptr;
|
|
|
|
@interface Foo
|
|
@end
|
|
Foo *f;
|
|
|
|
int j;
|
|
varDecl(hasType(isAnyPointer()))
|
|
matches "int *i" and "Foo *f", but not "int j".
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>></td><td class="name" onclick="toggle('isConstQualified0')"><a name="isConstQualified0Anchor">isConstQualified</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isConstQualified0"><pre>Matches QualType nodes that are const-qualified, i.e., that
|
|
include "top-level" const.
|
|
|
|
Given
|
|
void a(int);
|
|
void b(int const);
|
|
void c(const int);
|
|
void d(const int*);
|
|
void e(int const) {};
|
|
functionDecl(hasAnyParameter(hasType(isConstQualified())))
|
|
matches "void b(int const)", "void c(const int)" and
|
|
"void e(int const) {}". It does not match d as there
|
|
is no top-level const on the parameter type "const int *".
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>></td><td class="name" onclick="toggle('isInteger0')"><a name="isInteger0Anchor">isInteger</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isInteger0"><pre>Matches QualType nodes that are of integer type.
|
|
|
|
Given
|
|
void a(int);
|
|
void b(long);
|
|
void c(double);
|
|
functionDecl(hasAnyParameter(hasType(isInteger())))
|
|
matches "a(int)", "b(long)", but not "c(double)".
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>></td><td class="name" onclick="toggle('isSignedInteger0')"><a name="isSignedInteger0Anchor">isSignedInteger</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isSignedInteger0"><pre>Matches QualType nodes that are of signed integer type.
|
|
|
|
Given
|
|
void a(int);
|
|
void b(unsigned long);
|
|
void c(double);
|
|
functionDecl(hasAnyParameter(hasType(isSignedInteger())))
|
|
matches "a(int)", but not "b(unsigned long)" and "c(double)".
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>></td><td class="name" onclick="toggle('isUnsignedInteger0')"><a name="isUnsignedInteger0Anchor">isUnsignedInteger</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isUnsignedInteger0"><pre>Matches QualType nodes that are of unsigned integer type.
|
|
|
|
Given
|
|
void a(int);
|
|
void b(unsigned long);
|
|
void c(double);
|
|
functionDecl(hasAnyParameter(hasType(isUnsignedInteger())))
|
|
matches "b(unsigned long)", but not "a(int)" and "c(double)".
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>></td><td class="name" onclick="toggle('isVolatileQualified0')"><a name="isVolatileQualified0Anchor">isVolatileQualified</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isVolatileQualified0"><pre>Matches QualType nodes that are volatile-qualified, i.e., that
|
|
include "top-level" volatile.
|
|
|
|
Given
|
|
void a(int);
|
|
void b(int volatile);
|
|
void c(volatile int);
|
|
void d(volatile int*);
|
|
void e(int volatile) {};
|
|
functionDecl(hasAnyParameter(hasType(isVolatileQualified())))
|
|
matches "void b(int volatile)", "void c(volatile int)" and
|
|
"void e(int volatile) {}". It does not match d as there
|
|
is no top-level volatile on the parameter type "volatile int *".
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('equalsBoundNode0')"><a name="equalsBoundNode0Anchor">equalsBoundNode</a></td><td>std::string ID</td></tr>
|
|
<tr><td colspan="4" class="doc" id="equalsBoundNode0"><pre>Matches if a node equals a previously bound node.
|
|
|
|
Matches a node if it equals the node previously bound to ID.
|
|
|
|
Given
|
|
class X { int a; int b; };
|
|
cxxRecordDecl(
|
|
has(fieldDecl(hasName("a"), hasType(type().bind("t")))),
|
|
has(fieldDecl(hasName("b"), hasType(type(equalsBoundNode("t"))))))
|
|
matches the class X, as a and b have the same type.
|
|
|
|
Note that when multiple matches are involved via forEach* matchers,
|
|
equalsBoundNodes acts as a filter.
|
|
For example:
|
|
compoundStmt(
|
|
forEachDescendant(varDecl().bind("d")),
|
|
forEachDescendant(declRefExpr(to(decl(equalsBoundNode("d"))))))
|
|
will trigger a match for each combination of variable declaration
|
|
and reference to that variable declaration within a compound statement.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('equalsNode1')"><a name="equalsNode1Anchor">equalsNode</a></td><td>const Stmt* Other</td></tr>
|
|
<tr><td colspan="4" class="doc" id="equalsNode1"><pre>Matches if a node equals another node.
|
|
|
|
Stmt has pointer identity in the AST.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('isExpansionInFileMatching1')"><a name="isExpansionInFileMatching1Anchor">isExpansionInFileMatching</a></td><td>std::string RegExp</td></tr>
|
|
<tr><td colspan="4" class="doc" id="isExpansionInFileMatching1"><pre>Matches AST nodes that were expanded within files whose name is
|
|
partially matching a given regex.
|
|
|
|
Example matches Y but not X
|
|
(matcher = cxxRecordDecl(isExpansionInFileMatching("AST.*"))
|
|
#include "ASTMatcher.h"
|
|
class X {};
|
|
ASTMatcher.h:
|
|
class Y {};
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('isExpansionInMainFile1')"><a name="isExpansionInMainFile1Anchor">isExpansionInMainFile</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isExpansionInMainFile1"><pre>Matches AST nodes that were expanded within the main-file.
|
|
|
|
Example matches X but not Y
|
|
(matcher = cxxRecordDecl(isExpansionInMainFile())
|
|
#include <Y.h>
|
|
class X {};
|
|
Y.h:
|
|
class Y {};
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('isExpansionInSystemHeader1')"><a name="isExpansionInSystemHeader1Anchor">isExpansionInSystemHeader</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isExpansionInSystemHeader1"><pre>Matches AST nodes that were expanded within system-header-files.
|
|
|
|
Example matches Y but not X
|
|
(matcher = cxxRecordDecl(isExpansionInSystemHeader())
|
|
#include <SystemHeader.h>
|
|
class X {};
|
|
SystemHeader.h:
|
|
class Y {};
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('isOMPStructuredBlock0')"><a name="isOMPStructuredBlock0Anchor">isOMPStructuredBlock</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isOMPStructuredBlock0"><pre>Matches the Stmt AST node that is marked as being the structured-block
|
|
of an OpenMP executable directive.
|
|
|
|
Given
|
|
|
|
#pragma omp parallel
|
|
{}
|
|
|
|
``stmt(isOMPStructuredBlock()))`` matches ``{}``.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1StringLiteral.html">StringLiteral</a>></td><td class="name" onclick="toggle('hasSize1')"><a name="hasSize1Anchor">hasSize</a></td><td>unsigned N</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasSize1"><pre>Matches nodes that have the specified size.
|
|
|
|
Given
|
|
int a[42];
|
|
int b[2 * 21];
|
|
int c[41], d[43];
|
|
char *s = "abcd";
|
|
wchar_t *ws = L"abcd";
|
|
char *w = "a";
|
|
constantArrayType(hasSize(42))
|
|
matches "int a[42]" and "int b[2 * 21]"
|
|
stringLiteral(hasSize(4))
|
|
matches "abcd", L"abcd"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TagDecl.html">TagDecl</a>></td><td class="name" onclick="toggle('isClass0')"><a name="isClass0Anchor">isClass</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isClass0"><pre>Matches TagDecl object that are spelled with "class."
|
|
|
|
Example matches C, but not S, U or E.
|
|
struct S {};
|
|
class C {};
|
|
union U {};
|
|
enum E {};
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TagDecl.html">TagDecl</a>></td><td class="name" onclick="toggle('isDefinition0')"><a name="isDefinition0Anchor">isDefinition</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isDefinition0"><pre>Matches if a declaration has a body attached.
|
|
|
|
Example matches A, va, fa
|
|
class A {};
|
|
class B; // Doesn't match, as it has no body.
|
|
int va;
|
|
extern int vb; // Doesn't match, as it doesn't define the variable.
|
|
void fa() {}
|
|
void fb(); // Doesn't match, as it has no body.
|
|
@interface X
|
|
- (void)ma; // Doesn't match, interface is declaration.
|
|
@end
|
|
@implementation X
|
|
- (void)ma {}
|
|
@end
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TagDecl.html">TagDecl</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCMethodDecl.html">ObjCMethodDecl</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TagDecl.html">TagDecl</a>></td><td class="name" onclick="toggle('isEnum0')"><a name="isEnum0Anchor">isEnum</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isEnum0"><pre>Matches TagDecl object that are spelled with "enum."
|
|
|
|
Example matches E, but not C, S or U.
|
|
struct S {};
|
|
class C {};
|
|
union U {};
|
|
enum E {};
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TagDecl.html">TagDecl</a>></td><td class="name" onclick="toggle('isStruct0')"><a name="isStruct0Anchor">isStruct</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isStruct0"><pre>Matches TagDecl object that are spelled with "struct."
|
|
|
|
Example matches S, but not C, U or E.
|
|
struct S {};
|
|
class C {};
|
|
union U {};
|
|
enum E {};
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TagDecl.html">TagDecl</a>></td><td class="name" onclick="toggle('isUnion0')"><a name="isUnion0Anchor">isUnion</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isUnion0"><pre>Matches TagDecl object that are spelled with "union."
|
|
|
|
Example matches U, but not C, S or E.
|
|
struct S {};
|
|
class C {};
|
|
union U {};
|
|
enum E {};
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>></td><td class="name" onclick="toggle('equalsIntegralValue0')"><a name="equalsIntegralValue0Anchor">equalsIntegralValue</a></td><td>std::string Value</td></tr>
|
|
<tr><td colspan="4" class="doc" id="equalsIntegralValue0"><pre>Matches a TemplateArgument of integral type with a given value.
|
|
|
|
Note that 'Value' is a string as the template argument's value is
|
|
an arbitrary precision integer. 'Value' must be euqal to the canonical
|
|
representation of that integral value in base 10.
|
|
|
|
Given
|
|
template<int T> struct C {};
|
|
C<42> c;
|
|
classTemplateSpecializationDecl(
|
|
hasAnyTemplateArgument(equalsIntegralValue("42")))
|
|
matches the implicit instantiation of C in C<42>.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>></td><td class="name" onclick="toggle('isIntegral0')"><a name="isIntegral0Anchor">isIntegral</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isIntegral0"><pre>Matches a TemplateArgument that is an integral value.
|
|
|
|
Given
|
|
template<int T> struct C {};
|
|
C<42> c;
|
|
classTemplateSpecializationDecl(
|
|
hasAnyTemplateArgument(isIntegral()))
|
|
matches the implicit instantiation of C in C<42>
|
|
with isIntegral() matching 42.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>></td><td class="name" onclick="toggle('templateArgumentCountIs1')"><a name="templateArgumentCountIs1Anchor">templateArgumentCountIs</a></td><td>unsigned N</td></tr>
|
|
<tr><td colspan="4" class="doc" id="templateArgumentCountIs1"><pre>Matches if the number of template arguments equals N.
|
|
|
|
Given
|
|
template<typename T> struct C {};
|
|
C<int> c;
|
|
classTemplateSpecializationDecl(templateArgumentCountIs(1))
|
|
matches C<int>.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>></td><td class="name" onclick="toggle('isExpansionInFileMatching2')"><a name="isExpansionInFileMatching2Anchor">isExpansionInFileMatching</a></td><td>std::string RegExp</td></tr>
|
|
<tr><td colspan="4" class="doc" id="isExpansionInFileMatching2"><pre>Matches AST nodes that were expanded within files whose name is
|
|
partially matching a given regex.
|
|
|
|
Example matches Y but not X
|
|
(matcher = cxxRecordDecl(isExpansionInFileMatching("AST.*"))
|
|
#include "ASTMatcher.h"
|
|
class X {};
|
|
ASTMatcher.h:
|
|
class Y {};
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>></td><td class="name" onclick="toggle('isExpansionInMainFile2')"><a name="isExpansionInMainFile2Anchor">isExpansionInMainFile</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isExpansionInMainFile2"><pre>Matches AST nodes that were expanded within the main-file.
|
|
|
|
Example matches X but not Y
|
|
(matcher = cxxRecordDecl(isExpansionInMainFile())
|
|
#include <Y.h>
|
|
class X {};
|
|
Y.h:
|
|
class Y {};
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>></td><td class="name" onclick="toggle('isExpansionInSystemHeader2')"><a name="isExpansionInSystemHeader2Anchor">isExpansionInSystemHeader</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isExpansionInSystemHeader2"><pre>Matches AST nodes that were expanded within system-header-files.
|
|
|
|
Example matches Y but not X
|
|
(matcher = cxxRecordDecl(isExpansionInSystemHeader())
|
|
#include <SystemHeader.h>
|
|
class X {};
|
|
SystemHeader.h:
|
|
class Y {};
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('booleanType0')"><a name="booleanType0Anchor">booleanType</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="booleanType0"><pre>Matches type bool.
|
|
|
|
Given
|
|
struct S { bool func(); };
|
|
functionDecl(returns(booleanType()))
|
|
matches "bool func();"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('equalsBoundNode2')"><a name="equalsBoundNode2Anchor">equalsBoundNode</a></td><td>std::string ID</td></tr>
|
|
<tr><td colspan="4" class="doc" id="equalsBoundNode2"><pre>Matches if a node equals a previously bound node.
|
|
|
|
Matches a node if it equals the node previously bound to ID.
|
|
|
|
Given
|
|
class X { int a; int b; };
|
|
cxxRecordDecl(
|
|
has(fieldDecl(hasName("a"), hasType(type().bind("t")))),
|
|
has(fieldDecl(hasName("b"), hasType(type(equalsBoundNode("t"))))))
|
|
matches the class X, as a and b have the same type.
|
|
|
|
Note that when multiple matches are involved via forEach* matchers,
|
|
equalsBoundNodes acts as a filter.
|
|
For example:
|
|
compoundStmt(
|
|
forEachDescendant(varDecl().bind("d")),
|
|
forEachDescendant(declRefExpr(to(decl(equalsBoundNode("d"))))))
|
|
will trigger a match for each combination of variable declaration
|
|
and reference to that variable declaration within a compound statement.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('equalsNode2')"><a name="equalsNode2Anchor">equalsNode</a></td><td>const Type* Other</td></tr>
|
|
<tr><td colspan="4" class="doc" id="equalsNode2"><pre>Matches if a node equals another node.
|
|
|
|
Type has pointer identity in the AST.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('realFloatingPointType0')"><a name="realFloatingPointType0Anchor">realFloatingPointType</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="realFloatingPointType0"><pre>Matches any real floating-point type (float, double, long double).
|
|
|
|
Given
|
|
int i;
|
|
float f;
|
|
realFloatingPointType()
|
|
matches "float f" but not "int i"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('voidType0')"><a name="voidType0Anchor">voidType</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="voidType0"><pre>Matches type void.
|
|
|
|
Given
|
|
struct S { void func(); };
|
|
functionDecl(returns(voidType()))
|
|
matches "void func();"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UnaryExprOrTypeTraitExpr.html">UnaryExprOrTypeTraitExpr</a>></td><td class="name" onclick="toggle('ofKind0')"><a name="ofKind0Anchor">ofKind</a></td><td>UnaryExprOrTypeTrait Kind</td></tr>
|
|
<tr><td colspan="4" class="doc" id="ofKind0"><pre>Matches unary expressions of a certain kind.
|
|
|
|
Given
|
|
int x;
|
|
int s = sizeof(x) + alignof(x)
|
|
unaryExprOrTypeTraitExpr(ofKind(UETT_SizeOf))
|
|
matches sizeof(x)
|
|
|
|
If the matcher is use from clang-query, UnaryExprOrTypeTrait parameter
|
|
should be passed as a quoted string. e.g., ofKind("UETT_SizeOf").
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UnaryOperator.html">UnaryOperator</a>></td><td class="name" onclick="toggle('hasOperatorName1')"><a name="hasOperatorName1Anchor">hasOperatorName</a></td><td>std::string Name</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasOperatorName1"><pre>Matches the operator Name of operator expressions (binary or
|
|
unary).
|
|
|
|
Example matches a || b (matcher = binaryOperator(hasOperatorName("||")))
|
|
!(a || b)
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UnresolvedMemberExpr.html">UnresolvedMemberExpr</a>></td><td class="name" onclick="toggle('isArrow1')"><a name="isArrow1Anchor">isArrow</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isArrow1"><pre>Matches member expressions that are called with '->' as opposed
|
|
to '.'.
|
|
|
|
Member calls on the implicit this pointer match as called with '->'.
|
|
|
|
Given
|
|
class Y {
|
|
void x() { this->x(); x(); Y y; y.x(); a; this->b; Y::b; }
|
|
template <class T> void f() { this->f<T>(); f<T>(); }
|
|
int a;
|
|
static int b;
|
|
};
|
|
template <class T>
|
|
class Z {
|
|
void x() { this->m; }
|
|
};
|
|
memberExpr(isArrow())
|
|
matches this->x, x, y.x, a, this->b
|
|
cxxDependentScopeMemberExpr(isArrow())
|
|
matches this->m
|
|
unresolvedMemberExpr(isArrow())
|
|
matches this->f<T>, f<T>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>></td><td class="name" onclick="toggle('hasAutomaticStorageDuration0')"><a name="hasAutomaticStorageDuration0Anchor">hasAutomaticStorageDuration</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasAutomaticStorageDuration0"><pre>Matches a variable declaration that has automatic storage duration.
|
|
|
|
Example matches x, but not y, z, or a.
|
|
(matcher = varDecl(hasAutomaticStorageDuration())
|
|
void f() {
|
|
int x;
|
|
static int y;
|
|
thread_local int z;
|
|
}
|
|
int a;
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>></td><td class="name" onclick="toggle('hasGlobalStorage0')"><a name="hasGlobalStorage0Anchor">hasGlobalStorage</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasGlobalStorage0"><pre>Matches a variable declaration that does not have local storage.
|
|
|
|
Example matches y and z (matcher = varDecl(hasGlobalStorage())
|
|
void f() {
|
|
int x;
|
|
static int y;
|
|
}
|
|
int z;
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>></td><td class="name" onclick="toggle('hasLocalStorage0')"><a name="hasLocalStorage0Anchor">hasLocalStorage</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasLocalStorage0"><pre>Matches a variable declaration that has function scope and is a
|
|
non-static local variable.
|
|
|
|
Example matches x (matcher = varDecl(hasLocalStorage())
|
|
void f() {
|
|
int x;
|
|
static int y;
|
|
}
|
|
int z;
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>></td><td class="name" onclick="toggle('hasStaticStorageDuration0')"><a name="hasStaticStorageDuration0Anchor">hasStaticStorageDuration</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasStaticStorageDuration0"><pre>Matches a variable declaration that has static storage duration.
|
|
It includes the variable declared at namespace scope and those declared
|
|
with "static" and "extern" storage class specifiers.
|
|
|
|
void f() {
|
|
int x;
|
|
static int y;
|
|
thread_local int z;
|
|
}
|
|
int a;
|
|
static int b;
|
|
extern int c;
|
|
varDecl(hasStaticStorageDuration())
|
|
matches the function declaration y, a, b and c.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>></td><td class="name" onclick="toggle('hasThreadStorageDuration0')"><a name="hasThreadStorageDuration0Anchor">hasThreadStorageDuration</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasThreadStorageDuration0"><pre>Matches a variable declaration that has thread storage duration.
|
|
|
|
Example matches z, but not x, z, or a.
|
|
(matcher = varDecl(hasThreadStorageDuration())
|
|
void f() {
|
|
int x;
|
|
static int y;
|
|
thread_local int z;
|
|
}
|
|
int a;
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>></td><td class="name" onclick="toggle('isConstexpr0')"><a name="isConstexpr0Anchor">isConstexpr</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isConstexpr0"><pre>Matches constexpr variable and function declarations,
|
|
and if constexpr.
|
|
|
|
Given:
|
|
constexpr int foo = 42;
|
|
constexpr int bar();
|
|
void baz() { if constexpr(1 > 0) {} }
|
|
varDecl(isConstexpr())
|
|
matches the declaration of foo.
|
|
functionDecl(isConstexpr())
|
|
matches the declaration of bar.
|
|
ifStmt(isConstexpr())
|
|
matches the if statement in baz.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>></td><td class="name" onclick="toggle('isDefinition1')"><a name="isDefinition1Anchor">isDefinition</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isDefinition1"><pre>Matches if a declaration has a body attached.
|
|
|
|
Example matches A, va, fa
|
|
class A {};
|
|
class B; // Doesn't match, as it has no body.
|
|
int va;
|
|
extern int vb; // Doesn't match, as it doesn't define the variable.
|
|
void fa() {}
|
|
void fb(); // Doesn't match, as it has no body.
|
|
@interface X
|
|
- (void)ma; // Doesn't match, interface is declaration.
|
|
@end
|
|
@implementation X
|
|
- (void)ma {}
|
|
@end
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TagDecl.html">TagDecl</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCMethodDecl.html">ObjCMethodDecl</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>></td><td class="name" onclick="toggle('isExceptionVariable0')"><a name="isExceptionVariable0Anchor">isExceptionVariable</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isExceptionVariable0"><pre>Matches a variable declaration that is an exception variable from
|
|
a C++ catch block, or an Objective-C statement.
|
|
|
|
Example matches x (matcher = varDecl(isExceptionVariable())
|
|
void f(int y) {
|
|
try {
|
|
} catch (int x) {
|
|
}
|
|
}
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>></td><td class="name" onclick="toggle('isExplicitTemplateSpecialization1')"><a name="isExplicitTemplateSpecialization1Anchor">isExplicitTemplateSpecialization</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isExplicitTemplateSpecialization1"><pre>Matches explicit template specializations of function, class, or
|
|
static member variable template instantiations.
|
|
|
|
Given
|
|
template<typename T> void A(T t) { }
|
|
template<> void A(int N) { }
|
|
functionDecl(isExplicitTemplateSpecialization())
|
|
matches the specialization A<int>().
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>></td><td class="name" onclick="toggle('isExternC1')"><a name="isExternC1Anchor">isExternC</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isExternC1"><pre>Matches extern "C" function or variable declarations.
|
|
|
|
Given:
|
|
extern "C" void f() {}
|
|
extern "C" { void g() {} }
|
|
void h() {}
|
|
extern "C" int x = 1;
|
|
extern "C" int y = 2;
|
|
int z = 3;
|
|
functionDecl(isExternC())
|
|
matches the declaration of f and g, but not the declaration of h.
|
|
varDecl(isExternC())
|
|
matches the declaration of x and y, but not the declaration of z.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>></td><td class="name" onclick="toggle('isStaticLocal0')"><a name="isStaticLocal0Anchor">isStaticLocal</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isStaticLocal0"><pre>Matches a static variable with local scope.
|
|
|
|
Example matches y (matcher = varDecl(isStaticLocal()))
|
|
void f() {
|
|
int x;
|
|
static int y;
|
|
}
|
|
static int z;
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>></td><td class="name" onclick="toggle('isStaticStorageClass1')"><a name="isStaticStorageClass1Anchor">isStaticStorageClass</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isStaticStorageClass1"><pre>Matches variable/function declarations that have "static" storage
|
|
class specifier ("static" keyword) written in the source.
|
|
|
|
Given:
|
|
static void f() {}
|
|
static int i = 0;
|
|
extern int j;
|
|
int k;
|
|
functionDecl(isStaticStorageClass())
|
|
matches the function declaration f.
|
|
varDecl(isStaticStorageClass())
|
|
matches the variable declaration i.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>></td><td class="name" onclick="toggle('isTemplateInstantiation1')"><a name="isTemplateInstantiation1Anchor">isTemplateInstantiation</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isTemplateInstantiation1"><pre>Matches template instantiations of function, class, or static
|
|
member variable template instantiations.
|
|
|
|
Given
|
|
template <typename T> class X {}; class A {}; X<A> x;
|
|
or
|
|
template <typename T> class X {}; class A {}; template class X<A>;
|
|
or
|
|
template <typename T> class X {}; class A {}; extern template class X<A>;
|
|
cxxRecordDecl(hasName("::X"), isTemplateInstantiation())
|
|
matches the template instantiation of X<A>.
|
|
|
|
But given
|
|
template <typename T> class X {}; class A {};
|
|
template <> class X<A> {}; X<A> x;
|
|
cxxRecordDecl(hasName("::X"), isTemplateInstantiation())
|
|
does not match, as X<A> is an explicit template specialization.
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<internal::Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>>></td><td class="name" onclick="toggle('isInstantiated0')"><a name="isInstantiated0Anchor">isInstantiated</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isInstantiated0"><pre>Matches declarations that are template instantiations or are inside
|
|
template instantiations.
|
|
|
|
Given
|
|
template<typename T> void A(T t) { T i; }
|
|
A(0);
|
|
A(0U);
|
|
functionDecl(isInstantiated())
|
|
matches 'A(int) {...};' and 'A(unsigned) {...}'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<internal::Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NamedDecl.html">NamedDecl</a>>></td><td class="name" onclick="toggle('hasAnyName0')"><a name="hasAnyName0Anchor">hasAnyName</a></td><td>StringRef, ..., StringRef</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasAnyName0"><pre>Matches NamedDecl nodes that have any of the specified names.
|
|
|
|
This matcher is only provided as a performance optimization of hasName.
|
|
hasAnyName(a, b, c)
|
|
is equivalent to, but faster than
|
|
anyOf(hasName(a), hasName(b), hasName(c))
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<internal::Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCMessageExpr.html">ObjCMessageExpr</a>>></td><td class="name" onclick="toggle('hasAnySelector0')"><a name="hasAnySelector0Anchor">hasAnySelector</a></td><td>StringRef, ..., StringRef</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasAnySelector0"><pre>Matches when at least one of the supplied string equals to the
|
|
Selector.getAsString()
|
|
|
|
matcher = objCMessageExpr(hasSelector("methodA:", "methodB:"));
|
|
matches both of the expressions below:
|
|
[myObj methodA:argA];
|
|
[myObj methodB:argB];
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<internal::Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>>></td><td class="name" onclick="toggle('isInTemplateInstantiation0')"><a name="isInTemplateInstantiation0Anchor">isInTemplateInstantiation</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isInTemplateInstantiation0"><pre>Matches statements inside of a template instantiation.
|
|
|
|
Given
|
|
int j;
|
|
template<typename T> void A(T t) { T i; j += 42;}
|
|
A(0);
|
|
A(0U);
|
|
declStmt(isInTemplateInstantiation())
|
|
matches 'int i;' and 'unsigned i'.
|
|
unless(stmt(isInTemplateInstantiation()))
|
|
will NOT match j += 42; as it's shared between the template definition and
|
|
instantiation.
|
|
</pre></td></tr>
|
|
|
|
<!--END_NARROWING_MATCHERS -->
|
|
</table>
|
|
|
|
<!-- ======================================================================= -->
|
|
<h2 id="traversal-matchers">AST Traversal Matchers</h2>
|
|
<!-- ======================================================================= -->
|
|
|
|
<p>Traversal matchers specify the relationship to other nodes that are
|
|
reachable from the current node.</p>
|
|
|
|
<p>Note that there are special traversal matchers (has, hasDescendant, forEach and
|
|
forEachDescendant) which work on all nodes and allow users to write more generic
|
|
match expressions.</p>
|
|
|
|
<table>
|
|
<tr style="text-align:left"><th>Return type</th><th>Name</th><th>Parameters</th></tr>
|
|
<!-- START_TRAVERSAL_MATCHERS -->
|
|
|
|
<tr><td>Matcher<*></td><td class="name" onclick="toggle('eachOf0')"><a name="eachOf0Anchor">eachOf</a></td><td>Matcher<*>, ..., Matcher<*></td></tr>
|
|
<tr><td colspan="4" class="doc" id="eachOf0"><pre>Matches if any of the given matchers matches.
|
|
|
|
Unlike anyOf, eachOf will generate a match result for each
|
|
matching submatcher.
|
|
|
|
For example, in:
|
|
class A { int a; int b; };
|
|
The matcher:
|
|
cxxRecordDecl(eachOf(has(fieldDecl(hasName("a")).bind("v")),
|
|
has(fieldDecl(hasName("b")).bind("v"))))
|
|
will generate two results binding "v", the first of which binds
|
|
the field declaration of a, the second the field declaration of
|
|
b.
|
|
|
|
Usable as: Any Matcher
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<*></td><td class="name" onclick="toggle('forEachDescendant0')"><a name="forEachDescendant0Anchor">forEachDescendant</a></td><td>Matcher<*></td></tr>
|
|
<tr><td colspan="4" class="doc" id="forEachDescendant0"><pre>Matches AST nodes that have descendant AST nodes that match the
|
|
provided matcher.
|
|
|
|
Example matches X, A, A::X, B, B::C, B::C::X
|
|
(matcher = cxxRecordDecl(forEachDescendant(cxxRecordDecl(hasName("X")))))
|
|
class X {};
|
|
class A { class X {}; }; // Matches A, because A::X is a class of name
|
|
// X inside A.
|
|
class B { class C { class X {}; }; };
|
|
|
|
DescendantT must be an AST base type.
|
|
|
|
As opposed to 'hasDescendant', 'forEachDescendant' will cause a match for
|
|
each result that matches instead of only on the first one.
|
|
|
|
Note: Recursively combined ForEachDescendant can cause many matches:
|
|
cxxRecordDecl(forEachDescendant(cxxRecordDecl(
|
|
forEachDescendant(cxxRecordDecl())
|
|
)))
|
|
will match 10 times (plus injected class name matches) on:
|
|
class A { class B { class C { class D { class E {}; }; }; }; };
|
|
|
|
Usable as: Any Matcher
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<*></td><td class="name" onclick="toggle('forEach0')"><a name="forEach0Anchor">forEach</a></td><td>Matcher<*></td></tr>
|
|
<tr><td colspan="4" class="doc" id="forEach0"><pre>Matches AST nodes that have child AST nodes that match the
|
|
provided matcher.
|
|
|
|
Example matches X, Y, Y::X, Z::Y, Z::Y::X
|
|
(matcher = cxxRecordDecl(forEach(cxxRecordDecl(hasName("X")))
|
|
class X {};
|
|
class Y { class X {}; }; // Matches Y, because Y::X is a class of name X
|
|
// inside Y.
|
|
class Z { class Y { class X {}; }; }; // Does not match Z.
|
|
|
|
ChildT must be an AST base type.
|
|
|
|
As opposed to 'has', 'forEach' will cause a match for each result that
|
|
matches instead of only on the first one.
|
|
|
|
Usable as: Any Matcher
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<*></td><td class="name" onclick="toggle('hasAncestor0')"><a name="hasAncestor0Anchor">hasAncestor</a></td><td>Matcher<*></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasAncestor0"><pre>Matches AST nodes that have an ancestor that matches the provided
|
|
matcher.
|
|
|
|
Given
|
|
void f() { if (true) { int x = 42; } }
|
|
void g() { for (;;) { int x = 43; } }
|
|
expr(integerLiteral(hasAncestor(ifStmt()))) matches 42, but not 43.
|
|
|
|
Usable as: Any Matcher
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<*></td><td class="name" onclick="toggle('hasDescendant0')"><a name="hasDescendant0Anchor">hasDescendant</a></td><td>Matcher<*></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDescendant0"><pre>Matches AST nodes that have descendant AST nodes that match the
|
|
provided matcher.
|
|
|
|
Example matches X, Y, Z
|
|
(matcher = cxxRecordDecl(hasDescendant(cxxRecordDecl(hasName("X")))))
|
|
class X {}; // Matches X, because X::X is a class of name X inside X.
|
|
class Y { class X {}; };
|
|
class Z { class Y { class X {}; }; };
|
|
|
|
DescendantT must be an AST base type.
|
|
|
|
Usable as: Any Matcher
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<*></td><td class="name" onclick="toggle('has0')"><a name="has0Anchor">has</a></td><td>Matcher<*></td></tr>
|
|
<tr><td colspan="4" class="doc" id="has0"><pre>Matches AST nodes that have child AST nodes that match the
|
|
provided matcher.
|
|
|
|
Example matches X, Y
|
|
(matcher = cxxRecordDecl(has(cxxRecordDecl(hasName("X")))
|
|
class X {}; // Matches X, because X::X is a class of name X inside X.
|
|
class Y { class X {}; };
|
|
class Z { class Y { class X {}; }; }; // Does not match Z.
|
|
|
|
ChildT must be an AST base type.
|
|
|
|
Usable as: Any Matcher
|
|
Note that has is direct matcher, so it also matches things like implicit
|
|
casts and paren casts. If you are matching with expr then you should
|
|
probably consider using ignoringParenImpCasts like:
|
|
has(ignoringParenImpCasts(expr())).
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<*></td><td class="name" onclick="toggle('hasParent0')"><a name="hasParent0Anchor">hasParent</a></td><td>Matcher<*></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasParent0"><pre>Matches AST nodes that have a parent that matches the provided
|
|
matcher.
|
|
|
|
Given
|
|
void f() { for (;;) { int x = 42; if (true) { int x = 43; } } }
|
|
compoundStmt(hasParent(ifStmt())) matches "{ int x = 43; }".
|
|
|
|
Usable as: Any Matcher
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<*></td><td class="name" onclick="toggle('optionally0')"><a name="optionally0Anchor">optionally</a></td><td>Matcher<*>, ..., Matcher<*></td></tr>
|
|
<tr><td colspan="4" class="doc" id="optionally0"><pre>Matches any node regardless of the submatchers.
|
|
|
|
However, optionally will generate a result binding for each matching
|
|
submatcher.
|
|
|
|
Useful when additional information which may or may not present about a
|
|
main matching node is desired.
|
|
|
|
For example, in:
|
|
class Foo {
|
|
int bar;
|
|
}
|
|
The matcher:
|
|
cxxRecordDecl(
|
|
optionally(has(
|
|
fieldDecl(hasName("bar")).bind("var")
|
|
))).bind("record")
|
|
will produce a result binding for both "record" and "var".
|
|
The matcher will produce a "record" binding for even if there is no data
|
|
member named "bar" in that class.
|
|
|
|
Usable as: Any Matcher
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1AbstractConditionalOperator.html">AbstractConditionalOperator</a>></td><td class="name" onclick="toggle('hasCondition5')"><a name="hasCondition5Anchor">hasCondition</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasCondition5"><pre>Matches the condition expression of an if statement, for loop,
|
|
switch statement or conditional operator.
|
|
|
|
Example matches true (matcher = hasCondition(cxxBoolLiteral(equals(true))))
|
|
if (true) {}
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1AbstractConditionalOperator.html">AbstractConditionalOperator</a>></td><td class="name" onclick="toggle('hasFalseExpression0')"><a name="hasFalseExpression0Anchor">hasFalseExpression</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasFalseExpression0"><pre>Matches the false branch expression of a conditional operator
|
|
(binary or ternary).
|
|
|
|
Example matches b
|
|
condition ? a : b
|
|
condition ?: b
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1AbstractConditionalOperator.html">AbstractConditionalOperator</a>></td><td class="name" onclick="toggle('hasTrueExpression0')"><a name="hasTrueExpression0Anchor">hasTrueExpression</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasTrueExpression0"><pre>Matches the true branch expression of a conditional operator.
|
|
|
|
Example 1 (conditional ternary operator): matches a
|
|
condition ? a : b
|
|
|
|
Example 2 (conditional binary operator): matches opaqueValueExpr(condition)
|
|
condition ?: b
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>></td><td class="name" onclick="toggle('hasDeclaration15')"><a name="hasDeclaration15Anchor">hasDeclaration</a></td><td>const Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDeclaration15"><pre>Matches a node if the declaration associated with that node
|
|
matches the given matcher.
|
|
|
|
The associated declaration is:
|
|
- for type nodes, the declaration of the underlying type
|
|
- for CallExpr, the declaration of the callee
|
|
- for MemberExpr, the declaration of the referenced member
|
|
- for CXXConstructExpr, the declaration of the constructor
|
|
- for CXXNewExpr, the declaration of the operator new
|
|
- for ObjCIvarExpr, the declaration of the ivar
|
|
|
|
For type nodes, hasDeclaration will generally match the declaration of the
|
|
sugared type. Given
|
|
class X {};
|
|
typedef X Y;
|
|
Y y;
|
|
in varDecl(hasType(hasDeclaration(decl()))) the decl will match the
|
|
typedefDecl. A common use case is to match the underlying, desugared type.
|
|
This can be achieved by using the hasUnqualifiedDesugaredType matcher:
|
|
varDecl(hasType(hasUnqualifiedDesugaredType(
|
|
recordType(hasDeclaration(decl())))))
|
|
In this matcher, the decl will match the CXXRecordDecl of class X.
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXNewExpr.html">CXXNewExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ArraySubscriptExpr.html">ArraySubscriptExpr</a>></td><td class="name" onclick="toggle('hasBase0')"><a name="hasBase0Anchor">hasBase</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasBase0"><pre>Matches the base expression of an array subscript expression.
|
|
|
|
Given
|
|
int i[5];
|
|
void f() { i[1] = 42; }
|
|
arraySubscriptExpression(hasBase(implicitCastExpr(
|
|
hasSourceExpression(declRefExpr()))))
|
|
matches i[1] with the declRefExpr() matching i
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ArraySubscriptExpr.html">ArraySubscriptExpr</a>></td><td class="name" onclick="toggle('hasIndex0')"><a name="hasIndex0Anchor">hasIndex</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasIndex0"><pre>Matches the index expression of an array subscript expression.
|
|
|
|
Given
|
|
int i[5];
|
|
void f() { i[1] = 42; }
|
|
arraySubscriptExpression(hasIndex(integerLiteral()))
|
|
matches i[1] with the integerLiteral() matching 1
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ArraySubscriptExpr.html">ArraySubscriptExpr</a>></td><td class="name" onclick="toggle('hasLHS1')"><a name="hasLHS1Anchor">hasLHS</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasLHS1"><pre>Matches the left hand side of binary operator expressions.
|
|
|
|
Example matches a (matcher = binaryOperator(hasLHS()))
|
|
a || b
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ArraySubscriptExpr.html">ArraySubscriptExpr</a>></td><td class="name" onclick="toggle('hasRHS1')"><a name="hasRHS1Anchor">hasRHS</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasRHS1"><pre>Matches the right hand side of binary operator expressions.
|
|
|
|
Example matches b (matcher = binaryOperator(hasRHS()))
|
|
a || b
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ArrayType.html">ArrayType</a>></td><td class="name" onclick="toggle('hasElementType0')"><a name="hasElementType0Anchor">hasElementType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasElementType0"><pre>Matches arrays and C99 complex types that have a specific element
|
|
type.
|
|
|
|
Given
|
|
struct A {};
|
|
A a[7];
|
|
int b[7];
|
|
arrayType(hasElementType(builtinType()))
|
|
matches "int b[7]"
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ArrayType.html">ArrayType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ComplexType.html">ComplexType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1AtomicType.html">AtomicType</a>></td><td class="name" onclick="toggle('hasValueType0')"><a name="hasValueType0Anchor">hasValueType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasValueType0"><pre>Matches atomic types with a specific value type.
|
|
|
|
Given
|
|
_Atomic(int) i;
|
|
_Atomic(float) f;
|
|
atomicType(hasValueType(isInteger()))
|
|
matches "_Atomic(int) i"
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1AtomicType.html">AtomicType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1AutoType.html">AutoType</a>></td><td class="name" onclick="toggle('hasDeducedType0')"><a name="hasDeducedType0Anchor">hasDeducedType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDeducedType0"><pre>Matches AutoType nodes where the deduced type is a specific type.
|
|
|
|
Note: There is no TypeLoc for the deduced type and thus no
|
|
getDeducedLoc() matcher.
|
|
|
|
Given
|
|
auto a = 1;
|
|
auto b = 2.0;
|
|
autoType(hasDeducedType(isInteger()))
|
|
matches "auto a"
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1AutoType.html">AutoType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1BinaryOperator.html">BinaryOperator</a>></td><td class="name" onclick="toggle('hasEitherOperand0')"><a name="hasEitherOperand0Anchor">hasEitherOperand</a></td><td>const Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasEitherOperand0"><pre>Matches if either the left hand side or the right hand side of a
|
|
binary operator matches.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1BinaryOperator.html">BinaryOperator</a>></td><td class="name" onclick="toggle('hasLHS0')"><a name="hasLHS0Anchor">hasLHS</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasLHS0"><pre>Matches the left hand side of binary operator expressions.
|
|
|
|
Example matches a (matcher = binaryOperator(hasLHS()))
|
|
a || b
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1BinaryOperator.html">BinaryOperator</a>></td><td class="name" onclick="toggle('hasRHS0')"><a name="hasRHS0Anchor">hasRHS</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasRHS0"><pre>Matches the right hand side of binary operator expressions.
|
|
|
|
Example matches b (matcher = binaryOperator(hasRHS()))
|
|
a || b
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1BlockDecl.html">BlockDecl</a>></td><td class="name" onclick="toggle('hasAnyParameter2')"><a name="hasAnyParameter2Anchor">hasAnyParameter</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ParmVarDecl.html">ParmVarDecl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasAnyParameter2"><pre>Matches any parameter of a function or an ObjC method declaration or a
|
|
block.
|
|
|
|
Does not match the 'this' parameter of a method.
|
|
|
|
Given
|
|
class X { void f(int x, int y, int z) {} };
|
|
cxxMethodDecl(hasAnyParameter(hasName("y")))
|
|
matches f(int x, int y, int z) {}
|
|
with hasAnyParameter(...)
|
|
matching int y
|
|
|
|
For ObjectiveC, given
|
|
@interface I - (void) f:(int) y; @end
|
|
|
|
the matcher objcMethodDecl(hasAnyParameter(hasName("y")))
|
|
matches the declaration of method f with hasParameter
|
|
matching y.
|
|
|
|
For blocks, given
|
|
b = ^(int y) { printf("%d", y) };
|
|
|
|
the matcher blockDecl(hasAnyParameter(hasName("y")))
|
|
matches the declaration of the block b with hasParameter
|
|
matching y.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1BlockDecl.html">BlockDecl</a>></td><td class="name" onclick="toggle('hasParameter2')"><a name="hasParameter2Anchor">hasParameter</a></td><td>unsigned N, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ParmVarDecl.html">ParmVarDecl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasParameter2"><pre>Matches the n'th parameter of a function or an ObjC method
|
|
declaration or a block.
|
|
|
|
Given
|
|
class X { void f(int x) {} };
|
|
cxxMethodDecl(hasParameter(0, hasType(varDecl())))
|
|
matches f(int x) {}
|
|
with hasParameter(...)
|
|
matching int x
|
|
|
|
For ObjectiveC, given
|
|
@interface I - (void) f:(int) y; @end
|
|
|
|
the matcher objcMethodDecl(hasParameter(0, hasName("y")))
|
|
matches the declaration of method f with hasParameter
|
|
matching y.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1BlockPointerType.html">BlockPointerType</a>></td><td class="name" onclick="toggle('pointee0')"><a name="pointee0Anchor">pointee</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td></tr>
|
|
<tr><td colspan="4" class="doc" id="pointee0"><pre>Narrows PointerType (and similar) matchers to those where the
|
|
pointee matches a given matcher.
|
|
|
|
Given
|
|
int *a;
|
|
int const *b;
|
|
float const *f;
|
|
pointerType(pointee(isConstQualified(), isInteger()))
|
|
matches "int const *b"
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1BlockPointerType.html">BlockPointerType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1MemberPointerType.html">MemberPointerType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1PointerType.html">PointerType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ReferenceType.html">ReferenceType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>></td><td class="name" onclick="toggle('forEachArgumentWithParam1')"><a name="forEachArgumentWithParam1Anchor">forEachArgumentWithParam</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> ArgMatcher, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ParmVarDecl.html">ParmVarDecl</a>> ParamMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="forEachArgumentWithParam1"><pre>Matches all arguments and their respective ParmVarDecl.
|
|
|
|
Given
|
|
void f(int i);
|
|
int y;
|
|
f(y);
|
|
callExpr(
|
|
forEachArgumentWithParam(
|
|
declRefExpr(to(varDecl(hasName("y")))),
|
|
parmVarDecl(hasType(isInteger()))
|
|
))
|
|
matches f(y);
|
|
with declRefExpr(...)
|
|
matching int y
|
|
and parmVarDecl(...)
|
|
matching int i
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>></td><td class="name" onclick="toggle('hasAnyArgument1')"><a name="hasAnyArgument1Anchor">hasAnyArgument</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasAnyArgument1"><pre>Matches any argument of a call expression or a constructor call
|
|
expression, or an ObjC-message-send expression.
|
|
|
|
Given
|
|
void x(int, int, int) { int y; x(1, y, 42); }
|
|
callExpr(hasAnyArgument(declRefExpr()))
|
|
matches x(1, y, 42)
|
|
with hasAnyArgument(...)
|
|
matching y
|
|
|
|
For ObjectiveC, given
|
|
@interface I - (void) f:(int) y; @end
|
|
void foo(I *i) { [i f:12]; }
|
|
objcMessageExpr(hasAnyArgument(integerLiteral(equals(12))))
|
|
matches [i f:12]
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>></td><td class="name" onclick="toggle('hasArgument1')"><a name="hasArgument1Anchor">hasArgument</a></td><td>unsigned N, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasArgument1"><pre>Matches the n'th argument of a call expression or a constructor
|
|
call expression.
|
|
|
|
Example matches y in x(y)
|
|
(matcher = callExpr(hasArgument(0, declRefExpr())))
|
|
void x(int) { int y; x(y); }
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>></td><td class="name" onclick="toggle('hasDeclaration13')"><a name="hasDeclaration13Anchor">hasDeclaration</a></td><td>const Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDeclaration13"><pre>Matches a node if the declaration associated with that node
|
|
matches the given matcher.
|
|
|
|
The associated declaration is:
|
|
- for type nodes, the declaration of the underlying type
|
|
- for CallExpr, the declaration of the callee
|
|
- for MemberExpr, the declaration of the referenced member
|
|
- for CXXConstructExpr, the declaration of the constructor
|
|
- for CXXNewExpr, the declaration of the operator new
|
|
- for ObjCIvarExpr, the declaration of the ivar
|
|
|
|
For type nodes, hasDeclaration will generally match the declaration of the
|
|
sugared type. Given
|
|
class X {};
|
|
typedef X Y;
|
|
Y y;
|
|
in varDecl(hasType(hasDeclaration(decl()))) the decl will match the
|
|
typedefDecl. A common use case is to match the underlying, desugared type.
|
|
This can be achieved by using the hasUnqualifiedDesugaredType matcher:
|
|
varDecl(hasType(hasUnqualifiedDesugaredType(
|
|
recordType(hasDeclaration(decl())))))
|
|
In this matcher, the decl will match the CXXRecordDecl of class X.
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXNewExpr.html">CXXNewExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstructorDecl.html">CXXConstructorDecl</a>></td><td class="name" onclick="toggle('forEachConstructorInitializer0')"><a name="forEachConstructorInitializer0Anchor">forEachConstructorInitializer</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXCtorInitializer.html">CXXCtorInitializer</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="forEachConstructorInitializer0"><pre>Matches each constructor initializer in a constructor definition.
|
|
|
|
Given
|
|
class A { A() : i(42), j(42) {} int i; int j; };
|
|
cxxConstructorDecl(forEachConstructorInitializer(
|
|
forField(decl().bind("x"))
|
|
))
|
|
will trigger two matches, binding for 'i' and 'j' respectively.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstructorDecl.html">CXXConstructorDecl</a>></td><td class="name" onclick="toggle('hasAnyConstructorInitializer0')"><a name="hasAnyConstructorInitializer0Anchor">hasAnyConstructorInitializer</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXCtorInitializer.html">CXXCtorInitializer</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasAnyConstructorInitializer0"><pre>Matches a constructor initializer.
|
|
|
|
Given
|
|
struct Foo {
|
|
Foo() : foo_(1) { }
|
|
int foo_;
|
|
};
|
|
cxxRecordDecl(has(cxxConstructorDecl(
|
|
hasAnyConstructorInitializer(anything())
|
|
)))
|
|
record matches Foo, hasAnyConstructorInitializer matches foo_(1)
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXCtorInitializer.html">CXXCtorInitializer</a>></td><td class="name" onclick="toggle('forField0')"><a name="forField0Anchor">forField</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FieldDecl.html">FieldDecl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="forField0"><pre>Matches the field declaration of a constructor initializer.
|
|
|
|
Given
|
|
struct Foo {
|
|
Foo() : foo_(1) { }
|
|
int foo_;
|
|
};
|
|
cxxRecordDecl(has(cxxConstructorDecl(hasAnyConstructorInitializer(
|
|
forField(hasName("foo_"))))))
|
|
matches Foo
|
|
with forField matching foo_
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXCtorInitializer.html">CXXCtorInitializer</a>></td><td class="name" onclick="toggle('withInitializer0')"><a name="withInitializer0Anchor">withInitializer</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="withInitializer0"><pre>Matches the initializer expression of a constructor initializer.
|
|
|
|
Given
|
|
struct Foo {
|
|
Foo() : foo_(1) { }
|
|
int foo_;
|
|
};
|
|
cxxRecordDecl(has(cxxConstructorDecl(hasAnyConstructorInitializer(
|
|
withInitializer(integerLiteral(equals(1)))))))
|
|
matches Foo
|
|
with withInitializer matching (1)
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXDependentScopeMemberExpr.html">CXXDependentScopeMemberExpr</a>></td><td class="name" onclick="toggle('hasObjectExpression2')"><a name="hasObjectExpression2Anchor">hasObjectExpression</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasObjectExpression2"><pre>Matches a member expression where the object expression is matched by a
|
|
given matcher. Implicit object expressions are included; that is, it matches
|
|
use of implicit `this`.
|
|
|
|
Given
|
|
struct X {
|
|
int m;
|
|
int f(X x) { x.m; return m; }
|
|
};
|
|
memberExpr(hasObjectExpression(hasType(cxxRecordDecl(hasName("X")))))
|
|
matches `x.m`, but not `m`; however,
|
|
memberExpr(hasObjectExpression(hasType(pointsTo(
|
|
cxxRecordDecl(hasName("X"))))))
|
|
matches `m` (aka. `this->m`), but not `x.m`.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXForRangeStmt.html">CXXForRangeStmt</a>></td><td class="name" onclick="toggle('hasBody3')"><a name="hasBody3Anchor">hasBody</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasBody3"><pre>Matches a 'for', 'while', 'do while' statement or a function
|
|
definition that has a given body.
|
|
|
|
Given
|
|
for (;;) {}
|
|
hasBody(compoundStmt())
|
|
matches 'for (;;) {}'
|
|
with compoundStmt()
|
|
matching '{}'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXForRangeStmt.html">CXXForRangeStmt</a>></td><td class="name" onclick="toggle('hasInitStatement2')"><a name="hasInitStatement2Anchor">hasInitStatement</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasInitStatement2"><pre>Matches selection statements with initializer.
|
|
|
|
Given:
|
|
void foo() {
|
|
if (int i = foobar(); i > 0) {}
|
|
switch (int i = foobar(); i) {}
|
|
for (auto& a = get_range(); auto& x : a) {}
|
|
}
|
|
void bar() {
|
|
if (foobar() > 0) {}
|
|
switch (foobar()) {}
|
|
for (auto& x : get_range()) {}
|
|
}
|
|
ifStmt(hasInitStatement(anything()))
|
|
matches the if statement in foo but not in bar.
|
|
switchStmt(hasInitStatement(anything()))
|
|
matches the switch statement in foo but not in bar.
|
|
cxxForRangeStmt(hasInitStatement(anything()))
|
|
matches the range for statement in foo but not in bar.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXForRangeStmt.html">CXXForRangeStmt</a>></td><td class="name" onclick="toggle('hasLoopVariable0')"><a name="hasLoopVariable0Anchor">hasLoopVariable</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasLoopVariable0"><pre>Matches the initialization statement of a for loop.
|
|
|
|
Example:
|
|
forStmt(hasLoopVariable(anything()))
|
|
matches 'int x' in
|
|
for (int x : a) { }
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXForRangeStmt.html">CXXForRangeStmt</a>></td><td class="name" onclick="toggle('hasRangeInit0')"><a name="hasRangeInit0Anchor">hasRangeInit</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasRangeInit0"><pre>Matches the range initialization statement of a for loop.
|
|
|
|
Example:
|
|
forStmt(hasRangeInit(anything()))
|
|
matches 'a' in
|
|
for (int x : a) { }
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXMemberCallExpr.html">CXXMemberCallExpr</a>></td><td class="name" onclick="toggle('onImplicitObjectArgument0')"><a name="onImplicitObjectArgument0Anchor">onImplicitObjectArgument</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="onImplicitObjectArgument0"><pre>Matches on the implicit object argument of a member call expression. Unlike
|
|
`on`, matches the argument directly without stripping away anything.
|
|
|
|
Given
|
|
class Y { public: void m(); };
|
|
Y g();
|
|
class X : public Y { void g(); };
|
|
void z(Y y, X x) { y.m(); x.m(); x.g(); (g()).m(); }
|
|
cxxMemberCallExpr(onImplicitObjectArgument(hasType(
|
|
cxxRecordDecl(hasName("Y")))))
|
|
matches `y.m()`, `x.m()` and (g()).m(), but not `x.g()`.
|
|
cxxMemberCallExpr(on(callExpr()))
|
|
does not match `(g()).m()`, because the parens are not ignored.
|
|
|
|
FIXME: Overload to allow directly matching types?
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXMemberCallExpr.html">CXXMemberCallExpr</a>></td><td class="name" onclick="toggle('on0')"><a name="on0Anchor">on</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="on0"><pre>Matches on the implicit object argument of a member call expression, after
|
|
stripping off any parentheses or implicit casts.
|
|
|
|
Given
|
|
class Y { public: void m(); };
|
|
Y g();
|
|
class X : public Y {};
|
|
void z(Y y, X x) { y.m(); (g()).m(); x.m(); }
|
|
cxxMemberCallExpr(on(hasType(cxxRecordDecl(hasName("Y")))))
|
|
matches `y.m()` and `(g()).m()`.
|
|
cxxMemberCallExpr(on(hasType(cxxRecordDecl(hasName("X")))))
|
|
matches `x.m()`.
|
|
cxxMemberCallExpr(on(callExpr()))
|
|
matches `(g()).m()`.
|
|
|
|
FIXME: Overload to allow directly matching types?
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXMemberCallExpr.html">CXXMemberCallExpr</a>></td><td class="name" onclick="toggle('thisPointerType1')"><a name="thisPointerType1Anchor">thisPointerType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="thisPointerType1"><pre>Overloaded to match the type's declaration.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXMemberCallExpr.html">CXXMemberCallExpr</a>></td><td class="name" onclick="toggle('thisPointerType0')"><a name="thisPointerType0Anchor">thisPointerType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="thisPointerType0"><pre>Matches if the type of the expression's implicit object argument either
|
|
matches the InnerMatcher, or is a pointer to a type that matches the
|
|
InnerMatcher.
|
|
|
|
Given
|
|
class Y { public: void m(); };
|
|
class X : public Y { void g(); };
|
|
void z() { Y y; y.m(); Y *p; p->m(); X x; x.m(); x.g(); }
|
|
cxxMemberCallExpr(thisPointerType(hasDeclaration(
|
|
cxxRecordDecl(hasName("Y")))))
|
|
matches `y.m()`, `p->m()` and `x.m()`.
|
|
cxxMemberCallExpr(thisPointerType(hasDeclaration(
|
|
cxxRecordDecl(hasName("X")))))
|
|
matches `x.g()`.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>></td><td class="name" onclick="toggle('forEachOverridden0')"><a name="forEachOverridden0Anchor">forEachOverridden</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="forEachOverridden0"><pre>Matches each method overridden by the given method. This matcher may
|
|
produce multiple matches.
|
|
|
|
Given
|
|
class A { virtual void f(); };
|
|
class B : public A { void f(); };
|
|
class C : public B { void f(); };
|
|
cxxMethodDecl(ofClass(hasName("C")),
|
|
forEachOverridden(cxxMethodDecl().bind("b"))).bind("d")
|
|
matches once, with "b" binding "A::f" and "d" binding "C::f" (Note
|
|
that B::f is not overridden by C::f).
|
|
|
|
The check can produce multiple matches in case of multiple inheritance, e.g.
|
|
class A1 { virtual void f(); };
|
|
class A2 { virtual void f(); };
|
|
class C : public A1, public A2 { void f(); };
|
|
cxxMethodDecl(ofClass(hasName("C")),
|
|
forEachOverridden(cxxMethodDecl().bind("b"))).bind("d")
|
|
matches twice, once with "b" binding "A1::f" and "d" binding "C::f", and
|
|
once with "b" binding "A2::f" and "d" binding "C::f".
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>></td><td class="name" onclick="toggle('ofClass0')"><a name="ofClass0Anchor">ofClass</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="ofClass0"><pre>Matches the class declaration that the given method declaration
|
|
belongs to.
|
|
|
|
FIXME: Generalize this for other kinds of declarations.
|
|
FIXME: What other kind of declarations would we need to generalize
|
|
this to?
|
|
|
|
Example matches A() in the last line
|
|
(matcher = cxxConstructExpr(hasDeclaration(cxxMethodDecl(
|
|
ofClass(hasName("A"))))))
|
|
class A {
|
|
public:
|
|
A();
|
|
};
|
|
A a = A();
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXNewExpr.html">CXXNewExpr</a>></td><td class="name" onclick="toggle('hasAnyPlacementArg0')"><a name="hasAnyPlacementArg0Anchor">hasAnyPlacementArg</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasAnyPlacementArg0"><pre>Matches any placement new expression arguments.
|
|
|
|
Given:
|
|
MyClass *p1 = new (Storage) MyClass();
|
|
cxxNewExpr(hasAnyPlacementArg(anything()))
|
|
matches the expression 'new (Storage, 16) MyClass()'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXNewExpr.html">CXXNewExpr</a>></td><td class="name" onclick="toggle('hasArraySize0')"><a name="hasArraySize0Anchor">hasArraySize</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasArraySize0"><pre>Matches array new expressions with a given array size.
|
|
|
|
Given:
|
|
MyClass *p1 = new MyClass[10];
|
|
cxxNewExpr(hasArraySize(integerLiteral(equals(10))))
|
|
matches the expression 'new MyClass[10]'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXNewExpr.html">CXXNewExpr</a>></td><td class="name" onclick="toggle('hasDeclaration12')"><a name="hasDeclaration12Anchor">hasDeclaration</a></td><td>const Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDeclaration12"><pre>Matches a node if the declaration associated with that node
|
|
matches the given matcher.
|
|
|
|
The associated declaration is:
|
|
- for type nodes, the declaration of the underlying type
|
|
- for CallExpr, the declaration of the callee
|
|
- for MemberExpr, the declaration of the referenced member
|
|
- for CXXConstructExpr, the declaration of the constructor
|
|
- for CXXNewExpr, the declaration of the operator new
|
|
- for ObjCIvarExpr, the declaration of the ivar
|
|
|
|
For type nodes, hasDeclaration will generally match the declaration of the
|
|
sugared type. Given
|
|
class X {};
|
|
typedef X Y;
|
|
Y y;
|
|
in varDecl(hasType(hasDeclaration(decl()))) the decl will match the
|
|
typedefDecl. A common use case is to match the underlying, desugared type.
|
|
This can be achieved by using the hasUnqualifiedDesugaredType matcher:
|
|
varDecl(hasType(hasUnqualifiedDesugaredType(
|
|
recordType(hasDeclaration(decl())))))
|
|
In this matcher, the decl will match the CXXRecordDecl of class X.
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXNewExpr.html">CXXNewExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXNewExpr.html">CXXNewExpr</a>></td><td class="name" onclick="toggle('hasPlacementArg0')"><a name="hasPlacementArg0Anchor">hasPlacementArg</a></td><td>unsigned Index, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasPlacementArg0"><pre>Matches placement new expression arguments.
|
|
|
|
Given:
|
|
MyClass *p1 = new (Storage, 16) MyClass();
|
|
cxxNewExpr(hasPlacementArg(1, integerLiteral(equals(16))))
|
|
matches the expression 'new (Storage, 16) MyClass()'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>></td><td class="name" onclick="toggle('hasMethod0')"><a name="hasMethod0Anchor">hasMethod</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasMethod0"><pre>Matches the first method of a class or struct that satisfies InnerMatcher.
|
|
|
|
Given:
|
|
class A { void func(); };
|
|
class B { void member(); };
|
|
|
|
cxxRecordDecl(hasMethod(hasName("func"))) matches the declaration of
|
|
A but not B.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>></td><td class="name" onclick="toggle('isDerivedFrom0')"><a name="isDerivedFrom0Anchor">isDerivedFrom</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NamedDecl.html">NamedDecl</a>> Base</td></tr>
|
|
<tr><td colspan="4" class="doc" id="isDerivedFrom0"><pre>Matches C++ classes that are directly or indirectly derived from a class
|
|
matching Base, or Objective-C classes that directly or indirectly
|
|
subclass a class matching Base.
|
|
|
|
Note that a class is not considered to be derived from itself.
|
|
|
|
Example matches Y, Z, C (Base == hasName("X"))
|
|
class X;
|
|
class Y : public X {}; // directly derived
|
|
class Z : public Y {}; // indirectly derived
|
|
typedef X A;
|
|
typedef A B;
|
|
class C : public B {}; // derived from a typedef of X
|
|
|
|
In the following example, Bar matches isDerivedFrom(hasName("X")):
|
|
class Foo;
|
|
typedef Foo X;
|
|
class Bar : public Foo {}; // derived from a type that X is a typedef of
|
|
|
|
In the following example, Bar matches isDerivedFrom(hasName("NSObject"))
|
|
@interface NSObject @end
|
|
@interface Bar : NSObject @end
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCInterfaceDecl.html">ObjCInterfaceDecl</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>></td><td class="name" onclick="toggle('isDirectlyDerivedFrom0')"><a name="isDirectlyDerivedFrom0Anchor">isDirectlyDerivedFrom</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NamedDecl.html">NamedDecl</a>> Base</td></tr>
|
|
<tr><td colspan="4" class="doc" id="isDirectlyDerivedFrom0"><pre>Matches C++ or Objective-C classes that are directly derived from a class
|
|
matching Base.
|
|
|
|
Note that a class is not considered to be derived from itself.
|
|
|
|
Example matches Y, C (Base == hasName("X"))
|
|
class X;
|
|
class Y : public X {}; // directly derived
|
|
class Z : public Y {}; // indirectly derived
|
|
typedef X A;
|
|
typedef A B;
|
|
class C : public B {}; // derived from a typedef of X
|
|
|
|
In the following example, Bar matches isDerivedFrom(hasName("X")):
|
|
class Foo;
|
|
typedef Foo X;
|
|
class Bar : public Foo {}; // derived from a type that X is a typedef of
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>></td><td class="name" onclick="toggle('isSameOrDerivedFrom0')"><a name="isSameOrDerivedFrom0Anchor">isSameOrDerivedFrom</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NamedDecl.html">NamedDecl</a>> Base</td></tr>
|
|
<tr><td colspan="4" class="doc" id="isSameOrDerivedFrom0"><pre>Similar to isDerivedFrom(), but also matches classes that directly
|
|
match Base.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXUnresolvedConstructExpr.html">CXXUnresolvedConstructExpr</a>></td><td class="name" onclick="toggle('hasAnyArgument2')"><a name="hasAnyArgument2Anchor">hasAnyArgument</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasAnyArgument2"><pre>Matches any argument of a call expression or a constructor call
|
|
expression, or an ObjC-message-send expression.
|
|
|
|
Given
|
|
void x(int, int, int) { int y; x(1, y, 42); }
|
|
callExpr(hasAnyArgument(declRefExpr()))
|
|
matches x(1, y, 42)
|
|
with hasAnyArgument(...)
|
|
matching y
|
|
|
|
For ObjectiveC, given
|
|
@interface I - (void) f:(int) y; @end
|
|
void foo(I *i) { [i f:12]; }
|
|
objcMessageExpr(hasAnyArgument(integerLiteral(equals(12))))
|
|
matches [i f:12]
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>></td><td class="name" onclick="toggle('callee1')"><a name="callee1Anchor">callee</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="callee1"><pre>Matches if the call expression's callee's declaration matches the
|
|
given matcher.
|
|
|
|
Example matches y.x() (matcher = callExpr(callee(
|
|
cxxMethodDecl(hasName("x")))))
|
|
class Y { public: void x(); };
|
|
void z() { Y y; y.x(); }
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>></td><td class="name" onclick="toggle('callee0')"><a name="callee0Anchor">callee</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="callee0"><pre>Matches if the call expression's callee expression matches.
|
|
|
|
Given
|
|
class Y { void x() { this->x(); x(); Y y; y.x(); } };
|
|
void f() { f(); }
|
|
callExpr(callee(expr()))
|
|
matches this->x(), x(), y.x(), f()
|
|
with callee(...)
|
|
matching this->x, x, y.x, f respectively
|
|
|
|
Note: Callee cannot take the more general internal::Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>>
|
|
because this introduces ambiguous overloads with calls to Callee taking a
|
|
internal::Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>>, as the matcher hierarchy is purely
|
|
implemented in terms of implicit casts.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>></td><td class="name" onclick="toggle('forEachArgumentWithParam0')"><a name="forEachArgumentWithParam0Anchor">forEachArgumentWithParam</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> ArgMatcher, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ParmVarDecl.html">ParmVarDecl</a>> ParamMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="forEachArgumentWithParam0"><pre>Matches all arguments and their respective ParmVarDecl.
|
|
|
|
Given
|
|
void f(int i);
|
|
int y;
|
|
f(y);
|
|
callExpr(
|
|
forEachArgumentWithParam(
|
|
declRefExpr(to(varDecl(hasName("y")))),
|
|
parmVarDecl(hasType(isInteger()))
|
|
))
|
|
matches f(y);
|
|
with declRefExpr(...)
|
|
matching int y
|
|
and parmVarDecl(...)
|
|
matching int i
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>></td><td class="name" onclick="toggle('hasAnyArgument0')"><a name="hasAnyArgument0Anchor">hasAnyArgument</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasAnyArgument0"><pre>Matches any argument of a call expression or a constructor call
|
|
expression, or an ObjC-message-send expression.
|
|
|
|
Given
|
|
void x(int, int, int) { int y; x(1, y, 42); }
|
|
callExpr(hasAnyArgument(declRefExpr()))
|
|
matches x(1, y, 42)
|
|
with hasAnyArgument(...)
|
|
matching y
|
|
|
|
For ObjectiveC, given
|
|
@interface I - (void) f:(int) y; @end
|
|
void foo(I *i) { [i f:12]; }
|
|
objcMessageExpr(hasAnyArgument(integerLiteral(equals(12))))
|
|
matches [i f:12]
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>></td><td class="name" onclick="toggle('hasArgument0')"><a name="hasArgument0Anchor">hasArgument</a></td><td>unsigned N, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasArgument0"><pre>Matches the n'th argument of a call expression or a constructor
|
|
call expression.
|
|
|
|
Example matches y in x(y)
|
|
(matcher = callExpr(hasArgument(0, declRefExpr())))
|
|
void x(int) { int y; x(y); }
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>></td><td class="name" onclick="toggle('hasDeclaration14')"><a name="hasDeclaration14Anchor">hasDeclaration</a></td><td>const Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDeclaration14"><pre>Matches a node if the declaration associated with that node
|
|
matches the given matcher.
|
|
|
|
The associated declaration is:
|
|
- for type nodes, the declaration of the underlying type
|
|
- for CallExpr, the declaration of the callee
|
|
- for MemberExpr, the declaration of the referenced member
|
|
- for CXXConstructExpr, the declaration of the constructor
|
|
- for CXXNewExpr, the declaration of the operator new
|
|
- for ObjCIvarExpr, the declaration of the ivar
|
|
|
|
For type nodes, hasDeclaration will generally match the declaration of the
|
|
sugared type. Given
|
|
class X {};
|
|
typedef X Y;
|
|
Y y;
|
|
in varDecl(hasType(hasDeclaration(decl()))) the decl will match the
|
|
typedefDecl. A common use case is to match the underlying, desugared type.
|
|
This can be achieved by using the hasUnqualifiedDesugaredType matcher:
|
|
varDecl(hasType(hasUnqualifiedDesugaredType(
|
|
recordType(hasDeclaration(decl())))))
|
|
In this matcher, the decl will match the CXXRecordDecl of class X.
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXNewExpr.html">CXXNewExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CaseStmt.html">CaseStmt</a>></td><td class="name" onclick="toggle('hasCaseConstant0')"><a name="hasCaseConstant0Anchor">hasCaseConstant</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasCaseConstant0"><pre>If the given case statement does not use the GNU case range
|
|
extension, matches the constant given in the statement.
|
|
|
|
Given
|
|
switch (1) { case 1: case 1+1: case 3 ... 4: ; }
|
|
caseStmt(hasCaseConstant(integerLiteral()))
|
|
matches "case 1:"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CastExpr.html">CastExpr</a>></td><td class="name" onclick="toggle('hasSourceExpression0')"><a name="hasSourceExpression0Anchor">hasSourceExpression</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasSourceExpression0"><pre>Matches if the cast's source expression
|
|
or opaque value's source expression matches the given matcher.
|
|
|
|
Example 1: matches "a string"
|
|
(matcher = castExpr(hasSourceExpression(cxxConstructExpr())))
|
|
class URL { URL(string); };
|
|
URL url = "a string";
|
|
|
|
Example 2: matches 'b' (matcher =
|
|
opaqueValueExpr(hasSourceExpression(implicitCastExpr(declRefExpr())))
|
|
int a = b ?: 1;
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ClassTemplateSpecializationDecl.html">ClassTemplateSpecializationDecl</a>></td><td class="name" onclick="toggle('hasAnyTemplateArgument0')"><a name="hasAnyTemplateArgument0Anchor">hasAnyTemplateArgument</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasAnyTemplateArgument0"><pre>Matches classTemplateSpecializations, templateSpecializationType and
|
|
functionDecl that have at least one TemplateArgument matching the given
|
|
InnerMatcher.
|
|
|
|
Given
|
|
template<typename T> class A {};
|
|
template<> class A<double> {};
|
|
A<int> a;
|
|
|
|
template<typename T> f() {};
|
|
void func() { f<int>(); };
|
|
|
|
classTemplateSpecializationDecl(hasAnyTemplateArgument(
|
|
refersToType(asString("int"))))
|
|
matches the specialization A<int>
|
|
|
|
functionDecl(hasAnyTemplateArgument(refersToType(asString("int"))))
|
|
matches the specialization f<int>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ClassTemplateSpecializationDecl.html">ClassTemplateSpecializationDecl</a>></td><td class="name" onclick="toggle('hasSpecializedTemplate0')"><a name="hasSpecializedTemplate0Anchor">hasSpecializedTemplate</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ClassTemplateDecl.html">ClassTemplateDecl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasSpecializedTemplate0"><pre>Matches the specialized template of a specialization declaration.
|
|
|
|
Given
|
|
template<typename T> class A {}; #1
|
|
template<> class A<int> {}; #2
|
|
classTemplateSpecializationDecl(hasSpecializedTemplate(classTemplateDecl()))
|
|
matches '#2' with classTemplateDecl() matching the class template
|
|
declaration of 'A' at #1.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ClassTemplateSpecializationDecl.html">ClassTemplateSpecializationDecl</a>></td><td class="name" onclick="toggle('hasTemplateArgument0')"><a name="hasTemplateArgument0Anchor">hasTemplateArgument</a></td><td>unsigned N, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasTemplateArgument0"><pre>Matches classTemplateSpecializations, templateSpecializationType and
|
|
functionDecl where the n'th TemplateArgument matches the given InnerMatcher.
|
|
|
|
Given
|
|
template<typename T, typename U> class A {};
|
|
A<bool, int> b;
|
|
A<int, bool> c;
|
|
|
|
template<typename T> void f() {}
|
|
void func() { f<int>(); };
|
|
classTemplateSpecializationDecl(hasTemplateArgument(
|
|
1, refersToType(asString("int"))))
|
|
matches the specialization A<bool, int>
|
|
|
|
functionDecl(hasTemplateArgument(0, refersToType(asString("int"))))
|
|
matches the specialization f<int>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ComplexType.html">ComplexType</a>></td><td class="name" onclick="toggle('hasElementType1')"><a name="hasElementType1Anchor">hasElementType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasElementType1"><pre>Matches arrays and C99 complex types that have a specific element
|
|
type.
|
|
|
|
Given
|
|
struct A {};
|
|
A a[7];
|
|
int b[7];
|
|
arrayType(hasElementType(builtinType()))
|
|
matches "int b[7]"
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ArrayType.html">ArrayType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ComplexType.html">ComplexType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CompoundStmt.html">CompoundStmt</a>></td><td class="name" onclick="toggle('hasAnySubstatement0')"><a name="hasAnySubstatement0Anchor">hasAnySubstatement</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasAnySubstatement0"><pre>Matches compound statements where at least one substatement matches
|
|
a given matcher. Also matches StmtExprs that have CompoundStmt as children.
|
|
|
|
Given
|
|
{ {}; 1+2; }
|
|
hasAnySubstatement(compoundStmt())
|
|
matches '{ {}; 1+2; }'
|
|
with compoundStmt()
|
|
matching '{}'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DecayedType.html">DecayedType</a>></td><td class="name" onclick="toggle('hasDecayedType0')"><a name="hasDecayedType0Anchor">hasDecayedType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>> InnerType</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDecayedType0"><pre>Matches the decayed type, whos decayed type matches InnerMatcher
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>></td><td class="name" onclick="toggle('hasDeclaration11')"><a name="hasDeclaration11Anchor">hasDeclaration</a></td><td>const Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDeclaration11"><pre>Matches a node if the declaration associated with that node
|
|
matches the given matcher.
|
|
|
|
The associated declaration is:
|
|
- for type nodes, the declaration of the underlying type
|
|
- for CallExpr, the declaration of the callee
|
|
- for MemberExpr, the declaration of the referenced member
|
|
- for CXXConstructExpr, the declaration of the constructor
|
|
- for CXXNewExpr, the declaration of the operator new
|
|
- for ObjCIvarExpr, the declaration of the ivar
|
|
|
|
For type nodes, hasDeclaration will generally match the declaration of the
|
|
sugared type. Given
|
|
class X {};
|
|
typedef X Y;
|
|
Y y;
|
|
in varDecl(hasType(hasDeclaration(decl()))) the decl will match the
|
|
typedefDecl. A common use case is to match the underlying, desugared type.
|
|
This can be achieved by using the hasUnqualifiedDesugaredType matcher:
|
|
varDecl(hasType(hasUnqualifiedDesugaredType(
|
|
recordType(hasDeclaration(decl())))))
|
|
In this matcher, the decl will match the CXXRecordDecl of class X.
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXNewExpr.html">CXXNewExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>></td><td class="name" onclick="toggle('throughUsingDecl0')"><a name="throughUsingDecl0Anchor">throughUsingDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UsingShadowDecl.html">UsingShadowDecl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="throughUsingDecl0"><pre>Matches a DeclRefExpr that refers to a declaration through a
|
|
specific using shadow declaration.
|
|
|
|
Given
|
|
namespace a { void f() {} }
|
|
using a::f;
|
|
void g() {
|
|
f(); // Matches this ..
|
|
a::f(); // .. but not this.
|
|
}
|
|
declRefExpr(throughUsingDecl(anything()))
|
|
matches f()
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>></td><td class="name" onclick="toggle('to0')"><a name="to0Anchor">to</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="to0"><pre>Matches a DeclRefExpr that refers to a declaration that matches the
|
|
specified matcher.
|
|
|
|
Example matches x in if(x)
|
|
(matcher = declRefExpr(to(varDecl(hasName("x")))))
|
|
bool x;
|
|
if (x) {}
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DeclStmt.html">DeclStmt</a>></td><td class="name" onclick="toggle('containsDeclaration0')"><a name="containsDeclaration0Anchor">containsDeclaration</a></td><td>unsigned N, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="containsDeclaration0"><pre>Matches the n'th declaration of a declaration statement.
|
|
|
|
Note that this does not work for global declarations because the AST
|
|
breaks up multiple-declaration DeclStmt's into multiple single-declaration
|
|
DeclStmt's.
|
|
Example: Given non-global declarations
|
|
int a, b = 0;
|
|
int c;
|
|
int d = 2, e;
|
|
declStmt(containsDeclaration(
|
|
0, varDecl(hasInitializer(anything()))))
|
|
matches only 'int d = 2, e;', and
|
|
declStmt(containsDeclaration(1, varDecl()))
|
|
matches 'int a, b = 0' as well as 'int d = 2, e;'
|
|
but 'int c;' is not matched.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DeclStmt.html">DeclStmt</a>></td><td class="name" onclick="toggle('hasSingleDecl0')"><a name="hasSingleDecl0Anchor">hasSingleDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasSingleDecl0"><pre>Matches the Decl of a DeclStmt which has a single declaration.
|
|
|
|
Given
|
|
int a, b;
|
|
int c;
|
|
declStmt(hasSingleDecl(anything()))
|
|
matches 'int c;' but not 'int a, b;'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DeclaratorDecl.html">DeclaratorDecl</a>></td><td class="name" onclick="toggle('hasTypeLoc0')"><a name="hasTypeLoc0Anchor">hasTypeLoc</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>> Inner</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasTypeLoc0"><pre>Matches if the type location of the declarator decl's type matches
|
|
the inner matcher.
|
|
|
|
Given
|
|
int x;
|
|
declaratorDecl(hasTypeLoc(loc(asString("int"))))
|
|
matches int x
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('hasDeclContext0')"><a name="hasDeclContext0Anchor">hasDeclContext</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDeclContext0"><pre>Matches declarations whose declaration context, interpreted as a
|
|
Decl, matches InnerMatcher.
|
|
|
|
Given
|
|
namespace N {
|
|
namespace M {
|
|
class D {};
|
|
}
|
|
}
|
|
|
|
cxxRcordDecl(hasDeclContext(namedDecl(hasName("M")))) matches the
|
|
declaration of class D.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DecltypeType.html">DecltypeType</a>></td><td class="name" onclick="toggle('hasUnderlyingType0')"><a name="hasUnderlyingType0Anchor">hasUnderlyingType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasUnderlyingType0"><pre>Matches DecltypeType nodes to find out the underlying type.
|
|
|
|
Given
|
|
decltype(1) a = 1;
|
|
decltype(2.0) b = 2.0;
|
|
decltypeType(hasUnderlyingType(isInteger()))
|
|
matches the type of "a"
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DecltypeType.html">DecltypeType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DoStmt.html">DoStmt</a>></td><td class="name" onclick="toggle('hasBody0')"><a name="hasBody0Anchor">hasBody</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasBody0"><pre>Matches a 'for', 'while', 'do while' statement or a function
|
|
definition that has a given body.
|
|
|
|
Given
|
|
for (;;) {}
|
|
hasBody(compoundStmt())
|
|
matches 'for (;;) {}'
|
|
with compoundStmt()
|
|
matching '{}'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DoStmt.html">DoStmt</a>></td><td class="name" onclick="toggle('hasCondition3')"><a name="hasCondition3Anchor">hasCondition</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasCondition3"><pre>Matches the condition expression of an if statement, for loop,
|
|
switch statement or conditional operator.
|
|
|
|
Example matches true (matcher = hasCondition(cxxBoolLiteral(equals(true))))
|
|
if (true) {}
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ElaboratedType.html">ElaboratedType</a>></td><td class="name" onclick="toggle('hasQualifier0')"><a name="hasQualifier0Anchor">hasQualifier</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifier.html">NestedNameSpecifier</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasQualifier0"><pre>Matches ElaboratedTypes whose qualifier, a NestedNameSpecifier,
|
|
matches InnerMatcher if the qualifier exists.
|
|
|
|
Given
|
|
namespace N {
|
|
namespace M {
|
|
class D {};
|
|
}
|
|
}
|
|
N::M::D d;
|
|
|
|
elaboratedType(hasQualifier(hasPrefix(specifiesNamespace(hasName("N"))))
|
|
matches the type of the variable declaration of d.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ElaboratedType.html">ElaboratedType</a>></td><td class="name" onclick="toggle('namesType0')"><a name="namesType0Anchor">namesType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="namesType0"><pre>Matches ElaboratedTypes whose named type matches InnerMatcher.
|
|
|
|
Given
|
|
namespace N {
|
|
namespace M {
|
|
class D {};
|
|
}
|
|
}
|
|
N::M::D d;
|
|
|
|
elaboratedType(namesType(recordType(
|
|
hasDeclaration(namedDecl(hasName("D")))))) matches the type of the variable
|
|
declaration of d.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>></td><td class="name" onclick="toggle('hasDeclaration10')"><a name="hasDeclaration10Anchor">hasDeclaration</a></td><td>const Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDeclaration10"><pre>Matches a node if the declaration associated with that node
|
|
matches the given matcher.
|
|
|
|
The associated declaration is:
|
|
- for type nodes, the declaration of the underlying type
|
|
- for CallExpr, the declaration of the callee
|
|
- for MemberExpr, the declaration of the referenced member
|
|
- for CXXConstructExpr, the declaration of the constructor
|
|
- for CXXNewExpr, the declaration of the operator new
|
|
- for ObjCIvarExpr, the declaration of the ivar
|
|
|
|
For type nodes, hasDeclaration will generally match the declaration of the
|
|
sugared type. Given
|
|
class X {};
|
|
typedef X Y;
|
|
Y y;
|
|
in varDecl(hasType(hasDeclaration(decl()))) the decl will match the
|
|
typedefDecl. A common use case is to match the underlying, desugared type.
|
|
This can be achieved by using the hasUnqualifiedDesugaredType matcher:
|
|
varDecl(hasType(hasUnqualifiedDesugaredType(
|
|
recordType(hasDeclaration(decl())))))
|
|
In this matcher, the decl will match the CXXRecordDecl of class X.
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXNewExpr.html">CXXNewExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ExplicitCastExpr.html">ExplicitCastExpr</a>></td><td class="name" onclick="toggle('hasDestinationType0')"><a name="hasDestinationType0Anchor">hasDestinationType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDestinationType0"><pre>Matches casts whose destination type matches a given matcher.
|
|
|
|
(Note: Clang's AST refers to other conversions as "casts" too, and calls
|
|
actual casts "explicit" casts.)
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>></td><td class="name" onclick="toggle('hasType4')"><a name="hasType4Anchor">hasType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasType4"><pre>Overloaded to match the declaration of the expression's or value
|
|
declaration's type.
|
|
|
|
In case of a value declaration (for example a variable declaration),
|
|
this resolves one layer of indirection. For example, in the value
|
|
declaration "X x;", cxxRecordDecl(hasName("X")) matches the declaration of
|
|
X, while varDecl(hasType(cxxRecordDecl(hasName("X")))) matches the
|
|
declaration of x.
|
|
|
|
Example matches x (matcher = expr(hasType(cxxRecordDecl(hasName("X")))))
|
|
and z (matcher = varDecl(hasType(cxxRecordDecl(hasName("X")))))
|
|
and friend class X (matcher = friendDecl(hasType("X"))
|
|
class X {};
|
|
void y(X &x) { x; X z; }
|
|
class Y { friend class X; };
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ValueDecl.html">ValueDecl</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>></td><td class="name" onclick="toggle('hasType0')"><a name="hasType0Anchor">hasType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasType0"><pre>Matches if the expression's or declaration's type matches a type
|
|
matcher.
|
|
|
|
Example matches x (matcher = expr(hasType(cxxRecordDecl(hasName("X")))))
|
|
and z (matcher = varDecl(hasType(cxxRecordDecl(hasName("X")))))
|
|
and U (matcher = typedefDecl(hasType(asString("int")))
|
|
and friend class X (matcher = friendDecl(hasType("X"))
|
|
class X {};
|
|
void y(X &x) { x; X z; }
|
|
typedef int U;
|
|
class Y { friend class X; };
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>></td><td class="name" onclick="toggle('ignoringElidableConstructorCall0')"><a name="ignoringElidableConstructorCall0Anchor">ignoringElidableConstructorCall</a></td><td>ast_matchers::Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="ignoringElidableConstructorCall0"><pre>Matches expressions that match InnerMatcher that are possibly wrapped in an
|
|
elidable constructor and other corresponding bookkeeping nodes.
|
|
|
|
In C++17, elidable copy constructors are no longer being generated in the
|
|
AST as it is not permitted by the standard. They are, however, part of the
|
|
AST in C++14 and earlier. So, a matcher must abstract over these differences
|
|
to work in all language modes. This matcher skips elidable constructor-call
|
|
AST nodes, `ExprWithCleanups` nodes wrapping elidable constructor-calls and
|
|
various implicit nodes inside the constructor calls, all of which will not
|
|
appear in the C++17 AST.
|
|
|
|
Given
|
|
|
|
struct H {};
|
|
H G();
|
|
void f() {
|
|
H D = G();
|
|
}
|
|
|
|
``varDecl(hasInitializer(ignoringElidableConstructorCall(callExpr())))``
|
|
matches ``H D = G()`` in C++11 through C++17 (and beyond).
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>></td><td class="name" onclick="toggle('ignoringImpCasts0')"><a name="ignoringImpCasts0Anchor">ignoringImpCasts</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="ignoringImpCasts0"><pre>Matches expressions that match InnerMatcher after any implicit casts
|
|
are stripped off.
|
|
|
|
Parentheses and explicit casts are not discarded.
|
|
Given
|
|
int arr[5];
|
|
int a = 0;
|
|
char b = 0;
|
|
const int c = a;
|
|
int *d = arr;
|
|
long e = (long) 0l;
|
|
The matchers
|
|
varDecl(hasInitializer(ignoringImpCasts(integerLiteral())))
|
|
varDecl(hasInitializer(ignoringImpCasts(declRefExpr())))
|
|
would match the declarations for a, b, c, and d, but not e.
|
|
While
|
|
varDecl(hasInitializer(integerLiteral()))
|
|
varDecl(hasInitializer(declRefExpr()))
|
|
only match the declarations for b, c, and d.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>></td><td class="name" onclick="toggle('ignoringImplicit0')"><a name="ignoringImplicit0Anchor">ignoringImplicit</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="ignoringImplicit0"><pre>Matches expressions that match InnerMatcher after any implicit AST
|
|
nodes are stripped off.
|
|
|
|
Parentheses and explicit casts are not discarded.
|
|
Given
|
|
class C {};
|
|
C a = C();
|
|
C b;
|
|
C c = b;
|
|
The matchers
|
|
varDecl(hasInitializer(ignoringImplicit(cxxConstructExpr())))
|
|
would match the declarations for a, b, and c.
|
|
While
|
|
varDecl(hasInitializer(cxxConstructExpr()))
|
|
only match the declarations for b and c.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>></td><td class="name" onclick="toggle('ignoringParenCasts0')"><a name="ignoringParenCasts0Anchor">ignoringParenCasts</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="ignoringParenCasts0"><pre>Matches expressions that match InnerMatcher after parentheses and
|
|
casts are stripped off.
|
|
|
|
Implicit and non-C Style casts are also discarded.
|
|
Given
|
|
int a = 0;
|
|
char b = (0);
|
|
void* c = reinterpret_cast<char*>(0);
|
|
char d = char(0);
|
|
The matcher
|
|
varDecl(hasInitializer(ignoringParenCasts(integerLiteral())))
|
|
would match the declarations for a, b, c, and d.
|
|
while
|
|
varDecl(hasInitializer(integerLiteral()))
|
|
only match the declaration for a.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>></td><td class="name" onclick="toggle('ignoringParenImpCasts0')"><a name="ignoringParenImpCasts0Anchor">ignoringParenImpCasts</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="ignoringParenImpCasts0"><pre>Matches expressions that match InnerMatcher after implicit casts and
|
|
parentheses are stripped off.
|
|
|
|
Explicit casts are not discarded.
|
|
Given
|
|
int arr[5];
|
|
int a = 0;
|
|
char b = (0);
|
|
const int c = a;
|
|
int *d = (arr);
|
|
long e = ((long) 0l);
|
|
The matchers
|
|
varDecl(hasInitializer(ignoringParenImpCasts(integerLiteral())))
|
|
varDecl(hasInitializer(ignoringParenImpCasts(declRefExpr())))
|
|
would match the declarations for a, b, c, and d, but not e.
|
|
while
|
|
varDecl(hasInitializer(integerLiteral()))
|
|
varDecl(hasInitializer(declRefExpr()))
|
|
would only match the declaration for a.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>></td><td class="name" onclick="toggle('ignoringParens1')"><a name="ignoringParens1Anchor">ignoringParens</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="ignoringParens1"><pre>Overload ignoringParens for Expr.
|
|
|
|
Given
|
|
const char* str = ("my-string");
|
|
The matcher
|
|
implicitCastExpr(hasSourceExpression(ignoringParens(stringLiteral())))
|
|
would match the implicit cast resulting from the assignment.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FieldDecl.html">FieldDecl</a>></td><td class="name" onclick="toggle('hasInClassInitializer0')"><a name="hasInClassInitializer0Anchor">hasInClassInitializer</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasInClassInitializer0"><pre>Matches non-static data members that have an in-class initializer.
|
|
|
|
Given
|
|
class C {
|
|
int a = 2;
|
|
int b = 3;
|
|
int c;
|
|
};
|
|
fieldDecl(hasInClassInitializer(integerLiteral(equals(2))))
|
|
matches 'int a;' but not 'int b;'.
|
|
fieldDecl(hasInClassInitializer(anything()))
|
|
matches 'int a;' and 'int b;' but not 'int c;'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ForStmt.html">ForStmt</a>></td><td class="name" onclick="toggle('hasBody1')"><a name="hasBody1Anchor">hasBody</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasBody1"><pre>Matches a 'for', 'while', 'do while' statement or a function
|
|
definition that has a given body.
|
|
|
|
Given
|
|
for (;;) {}
|
|
hasBody(compoundStmt())
|
|
matches 'for (;;) {}'
|
|
with compoundStmt()
|
|
matching '{}'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ForStmt.html">ForStmt</a>></td><td class="name" onclick="toggle('hasCondition1')"><a name="hasCondition1Anchor">hasCondition</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasCondition1"><pre>Matches the condition expression of an if statement, for loop,
|
|
switch statement or conditional operator.
|
|
|
|
Example matches true (matcher = hasCondition(cxxBoolLiteral(equals(true))))
|
|
if (true) {}
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ForStmt.html">ForStmt</a>></td><td class="name" onclick="toggle('hasIncrement0')"><a name="hasIncrement0Anchor">hasIncrement</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasIncrement0"><pre>Matches the increment statement of a for loop.
|
|
|
|
Example:
|
|
forStmt(hasIncrement(unaryOperator(hasOperatorName("++"))))
|
|
matches '++x' in
|
|
for (x; x < N; ++x) { }
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ForStmt.html">ForStmt</a>></td><td class="name" onclick="toggle('hasLoopInit0')"><a name="hasLoopInit0Anchor">hasLoopInit</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasLoopInit0"><pre>Matches the initialization statement of a for loop.
|
|
|
|
Example:
|
|
forStmt(hasLoopInit(declStmt()))
|
|
matches 'int x = 0' in
|
|
for (int x = 0; x < N; ++x) { }
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FriendDecl.html">FriendDecl</a>></td><td class="name" onclick="toggle('hasType5')"><a name="hasType5Anchor">hasType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasType5"><pre>Overloaded to match the declaration of the expression's or value
|
|
declaration's type.
|
|
|
|
In case of a value declaration (for example a variable declaration),
|
|
this resolves one layer of indirection. For example, in the value
|
|
declaration "X x;", cxxRecordDecl(hasName("X")) matches the declaration of
|
|
X, while varDecl(hasType(cxxRecordDecl(hasName("X")))) matches the
|
|
declaration of x.
|
|
|
|
Example matches x (matcher = expr(hasType(cxxRecordDecl(hasName("X")))))
|
|
and z (matcher = varDecl(hasType(cxxRecordDecl(hasName("X")))))
|
|
and friend class X (matcher = friendDecl(hasType("X"))
|
|
class X {};
|
|
void y(X &x) { x; X z; }
|
|
class Y { friend class X; };
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ValueDecl.html">ValueDecl</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FriendDecl.html">FriendDecl</a>></td><td class="name" onclick="toggle('hasType1')"><a name="hasType1Anchor">hasType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasType1"><pre>Matches if the expression's or declaration's type matches a type
|
|
matcher.
|
|
|
|
Example matches x (matcher = expr(hasType(cxxRecordDecl(hasName("X")))))
|
|
and z (matcher = varDecl(hasType(cxxRecordDecl(hasName("X")))))
|
|
and U (matcher = typedefDecl(hasType(asString("int")))
|
|
and friend class X (matcher = friendDecl(hasType("X"))
|
|
class X {};
|
|
void y(X &x) { x; X z; }
|
|
typedef int U;
|
|
class Y { friend class X; };
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></td><td class="name" onclick="toggle('hasAnyParameter0')"><a name="hasAnyParameter0Anchor">hasAnyParameter</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ParmVarDecl.html">ParmVarDecl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasAnyParameter0"><pre>Matches any parameter of a function or an ObjC method declaration or a
|
|
block.
|
|
|
|
Does not match the 'this' parameter of a method.
|
|
|
|
Given
|
|
class X { void f(int x, int y, int z) {} };
|
|
cxxMethodDecl(hasAnyParameter(hasName("y")))
|
|
matches f(int x, int y, int z) {}
|
|
with hasAnyParameter(...)
|
|
matching int y
|
|
|
|
For ObjectiveC, given
|
|
@interface I - (void) f:(int) y; @end
|
|
|
|
the matcher objcMethodDecl(hasAnyParameter(hasName("y")))
|
|
matches the declaration of method f with hasParameter
|
|
matching y.
|
|
|
|
For blocks, given
|
|
b = ^(int y) { printf("%d", y) };
|
|
|
|
the matcher blockDecl(hasAnyParameter(hasName("y")))
|
|
matches the declaration of the block b with hasParameter
|
|
matching y.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></td><td class="name" onclick="toggle('hasAnyTemplateArgument2')"><a name="hasAnyTemplateArgument2Anchor">hasAnyTemplateArgument</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasAnyTemplateArgument2"><pre>Matches classTemplateSpecializations, templateSpecializationType and
|
|
functionDecl that have at least one TemplateArgument matching the given
|
|
InnerMatcher.
|
|
|
|
Given
|
|
template<typename T> class A {};
|
|
template<> class A<double> {};
|
|
A<int> a;
|
|
|
|
template<typename T> f() {};
|
|
void func() { f<int>(); };
|
|
|
|
classTemplateSpecializationDecl(hasAnyTemplateArgument(
|
|
refersToType(asString("int"))))
|
|
matches the specialization A<int>
|
|
|
|
functionDecl(hasAnyTemplateArgument(refersToType(asString("int"))))
|
|
matches the specialization f<int>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></td><td class="name" onclick="toggle('hasBody4')"><a name="hasBody4Anchor">hasBody</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasBody4"><pre>Matches a 'for', 'while', 'do while' statement or a function
|
|
definition that has a given body.
|
|
|
|
Given
|
|
for (;;) {}
|
|
hasBody(compoundStmt())
|
|
matches 'for (;;) {}'
|
|
with compoundStmt()
|
|
matching '{}'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></td><td class="name" onclick="toggle('hasExplicitSpecifier0')"><a name="hasExplicitSpecifier0Anchor">hasExplicitSpecifier</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasExplicitSpecifier0"><pre>Matches the expression in an explicit specifier if present in the given
|
|
declaration.
|
|
|
|
Given
|
|
template<bool b>
|
|
struct S {
|
|
S(int); // #1
|
|
explicit S(double); // #2
|
|
operator int(); // #3
|
|
explicit operator bool(); // #4
|
|
explicit(false) S(bool) // # 7
|
|
explicit(true) S(char) // # 8
|
|
explicit(b) S(S) // # 9
|
|
};
|
|
S(int) -> S<true> // #5
|
|
explicit S(double) -> S<false> // #6
|
|
cxxConstructorDecl(hasExplicitSpecifier(constantExpr())) will match #7, #8 and #9, but not #1 or #2.
|
|
cxxConversionDecl(hasExplicitSpecifier(constantExpr())) will not match #3 or #4.
|
|
cxxDeductionGuideDecl(hasExplicitSpecifier(constantExpr())) will not match #5 or #6.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></td><td class="name" onclick="toggle('hasParameter0')"><a name="hasParameter0Anchor">hasParameter</a></td><td>unsigned N, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ParmVarDecl.html">ParmVarDecl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasParameter0"><pre>Matches the n'th parameter of a function or an ObjC method
|
|
declaration or a block.
|
|
|
|
Given
|
|
class X { void f(int x) {} };
|
|
cxxMethodDecl(hasParameter(0, hasType(varDecl())))
|
|
matches f(int x) {}
|
|
with hasParameter(...)
|
|
matching int x
|
|
|
|
For ObjectiveC, given
|
|
@interface I - (void) f:(int) y; @end
|
|
|
|
the matcher objcMethodDecl(hasParameter(0, hasName("y")))
|
|
matches the declaration of method f with hasParameter
|
|
matching y.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></td><td class="name" onclick="toggle('hasTemplateArgument2')"><a name="hasTemplateArgument2Anchor">hasTemplateArgument</a></td><td>unsigned N, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasTemplateArgument2"><pre>Matches classTemplateSpecializations, templateSpecializationType and
|
|
functionDecl where the n'th TemplateArgument matches the given InnerMatcher.
|
|
|
|
Given
|
|
template<typename T, typename U> class A {};
|
|
A<bool, int> b;
|
|
A<int, bool> c;
|
|
|
|
template<typename T> void f() {}
|
|
void func() { f<int>(); };
|
|
classTemplateSpecializationDecl(hasTemplateArgument(
|
|
1, refersToType(asString("int"))))
|
|
matches the specialization A<bool, int>
|
|
|
|
functionDecl(hasTemplateArgument(0, refersToType(asString("int"))))
|
|
matches the specialization f<int>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></td><td class="name" onclick="toggle('returns0')"><a name="returns0Anchor">returns</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="returns0"><pre>Matches the return type of a function declaration.
|
|
|
|
Given:
|
|
class X { int f() { return 1; } };
|
|
cxxMethodDecl(returns(asString("int")))
|
|
matches int f() { return 1; }
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1IfStmt.html">IfStmt</a>></td><td class="name" onclick="toggle('hasCondition0')"><a name="hasCondition0Anchor">hasCondition</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasCondition0"><pre>Matches the condition expression of an if statement, for loop,
|
|
switch statement or conditional operator.
|
|
|
|
Example matches true (matcher = hasCondition(cxxBoolLiteral(equals(true))))
|
|
if (true) {}
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1IfStmt.html">IfStmt</a>></td><td class="name" onclick="toggle('hasConditionVariableStatement0')"><a name="hasConditionVariableStatement0Anchor">hasConditionVariableStatement</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DeclStmt.html">DeclStmt</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasConditionVariableStatement0"><pre>Matches the condition variable statement in an if statement.
|
|
|
|
Given
|
|
if (A* a = GetAPointer()) {}
|
|
hasConditionVariableStatement(...)
|
|
matches 'A* a = GetAPointer()'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1IfStmt.html">IfStmt</a>></td><td class="name" onclick="toggle('hasElse0')"><a name="hasElse0Anchor">hasElse</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasElse0"><pre>Matches the else-statement of an if statement.
|
|
|
|
Examples matches the if statement
|
|
(matcher = ifStmt(hasElse(cxxBoolLiteral(equals(true)))))
|
|
if (false) false; else true;
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1IfStmt.html">IfStmt</a>></td><td class="name" onclick="toggle('hasInitStatement0')"><a name="hasInitStatement0Anchor">hasInitStatement</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasInitStatement0"><pre>Matches selection statements with initializer.
|
|
|
|
Given:
|
|
void foo() {
|
|
if (int i = foobar(); i > 0) {}
|
|
switch (int i = foobar(); i) {}
|
|
for (auto& a = get_range(); auto& x : a) {}
|
|
}
|
|
void bar() {
|
|
if (foobar() > 0) {}
|
|
switch (foobar()) {}
|
|
for (auto& x : get_range()) {}
|
|
}
|
|
ifStmt(hasInitStatement(anything()))
|
|
matches the if statement in foo but not in bar.
|
|
switchStmt(hasInitStatement(anything()))
|
|
matches the switch statement in foo but not in bar.
|
|
cxxForRangeStmt(hasInitStatement(anything()))
|
|
matches the range for statement in foo but not in bar.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1IfStmt.html">IfStmt</a>></td><td class="name" onclick="toggle('hasThen0')"><a name="hasThen0Anchor">hasThen</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasThen0"><pre>Matches the then-statement of an if statement.
|
|
|
|
Examples matches the if statement
|
|
(matcher = ifStmt(hasThen(cxxBoolLiteral(equals(true)))))
|
|
if (false) true; else false;
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ImplicitCastExpr.html">ImplicitCastExpr</a>></td><td class="name" onclick="toggle('hasImplicitDestinationType0')"><a name="hasImplicitDestinationType0Anchor">hasImplicitDestinationType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasImplicitDestinationType0"><pre>Matches implicit casts whose destination type matches a given
|
|
matcher.
|
|
|
|
FIXME: Unit test this matcher
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1InitListExpr.html">InitListExpr</a>></td><td class="name" onclick="toggle('hasInit0')"><a name="hasInit0Anchor">hasInit</a></td><td>unsigned N, ast_matchers::Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasInit0"><pre>Matches the n'th item of an initializer list expression.
|
|
|
|
Example matches y.
|
|
(matcher = initListExpr(hasInit(0, expr())))
|
|
int x{y}.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1InitListExpr.html">InitListExpr</a>></td><td class="name" onclick="toggle('hasSyntacticForm0')"><a name="hasSyntacticForm0Anchor">hasSyntacticForm</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasSyntacticForm0"><pre>Matches the syntactic form of init list expressions
|
|
(if expression have it).
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>></td><td class="name" onclick="toggle('hasDeclaration9')"><a name="hasDeclaration9Anchor">hasDeclaration</a></td><td>const Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDeclaration9"><pre>Matches a node if the declaration associated with that node
|
|
matches the given matcher.
|
|
|
|
The associated declaration is:
|
|
- for type nodes, the declaration of the underlying type
|
|
- for CallExpr, the declaration of the callee
|
|
- for MemberExpr, the declaration of the referenced member
|
|
- for CXXConstructExpr, the declaration of the constructor
|
|
- for CXXNewExpr, the declaration of the operator new
|
|
- for ObjCIvarExpr, the declaration of the ivar
|
|
|
|
For type nodes, hasDeclaration will generally match the declaration of the
|
|
sugared type. Given
|
|
class X {};
|
|
typedef X Y;
|
|
Y y;
|
|
in varDecl(hasType(hasDeclaration(decl()))) the decl will match the
|
|
typedefDecl. A common use case is to match the underlying, desugared type.
|
|
This can be achieved by using the hasUnqualifiedDesugaredType matcher:
|
|
varDecl(hasType(hasUnqualifiedDesugaredType(
|
|
recordType(hasDeclaration(decl())))))
|
|
In this matcher, the decl will match the CXXRecordDecl of class X.
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXNewExpr.html">CXXNewExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>></td><td class="name" onclick="toggle('hasDeclaration8')"><a name="hasDeclaration8Anchor">hasDeclaration</a></td><td>const Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDeclaration8"><pre>Matches a node if the declaration associated with that node
|
|
matches the given matcher.
|
|
|
|
The associated declaration is:
|
|
- for type nodes, the declaration of the underlying type
|
|
- for CallExpr, the declaration of the callee
|
|
- for MemberExpr, the declaration of the referenced member
|
|
- for CXXConstructExpr, the declaration of the constructor
|
|
- for CXXNewExpr, the declaration of the operator new
|
|
- for ObjCIvarExpr, the declaration of the ivar
|
|
|
|
For type nodes, hasDeclaration will generally match the declaration of the
|
|
sugared type. Given
|
|
class X {};
|
|
typedef X Y;
|
|
Y y;
|
|
in varDecl(hasType(hasDeclaration(decl()))) the decl will match the
|
|
typedefDecl. A common use case is to match the underlying, desugared type.
|
|
This can be achieved by using the hasUnqualifiedDesugaredType matcher:
|
|
varDecl(hasType(hasUnqualifiedDesugaredType(
|
|
recordType(hasDeclaration(decl())))))
|
|
In this matcher, the decl will match the CXXRecordDecl of class X.
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXNewExpr.html">CXXNewExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1LambdaExpr.html">LambdaExpr</a>></td><td class="name" onclick="toggle('hasAnyCapture1')"><a name="hasAnyCapture1Anchor">hasAnyCapture</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXThisExpr.html">CXXThisExpr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasAnyCapture1"><pre>Matches any capture of 'this' in a lambda expression.
|
|
|
|
Given
|
|
struct foo {
|
|
void bar() {
|
|
auto f = [this](){};
|
|
}
|
|
}
|
|
lambdaExpr(hasAnyCapture(cxxThisExpr()))
|
|
matches [this](){};
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1LambdaExpr.html">LambdaExpr</a>></td><td class="name" onclick="toggle('hasAnyCapture0')"><a name="hasAnyCapture0Anchor">hasAnyCapture</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasAnyCapture0"><pre>Matches any capture of a lambda expression.
|
|
|
|
Given
|
|
void foo() {
|
|
int x;
|
|
auto f = [x](){};
|
|
}
|
|
lambdaExpr(hasAnyCapture(anything()))
|
|
matches [x](){};
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>></td><td class="name" onclick="toggle('hasDeclaration7')"><a name="hasDeclaration7Anchor">hasDeclaration</a></td><td>const Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDeclaration7"><pre>Matches a node if the declaration associated with that node
|
|
matches the given matcher.
|
|
|
|
The associated declaration is:
|
|
- for type nodes, the declaration of the underlying type
|
|
- for CallExpr, the declaration of the callee
|
|
- for MemberExpr, the declaration of the referenced member
|
|
- for CXXConstructExpr, the declaration of the constructor
|
|
- for CXXNewExpr, the declaration of the operator new
|
|
- for ObjCIvarExpr, the declaration of the ivar
|
|
|
|
For type nodes, hasDeclaration will generally match the declaration of the
|
|
sugared type. Given
|
|
class X {};
|
|
typedef X Y;
|
|
Y y;
|
|
in varDecl(hasType(hasDeclaration(decl()))) the decl will match the
|
|
typedefDecl. A common use case is to match the underlying, desugared type.
|
|
This can be achieved by using the hasUnqualifiedDesugaredType matcher:
|
|
varDecl(hasType(hasUnqualifiedDesugaredType(
|
|
recordType(hasDeclaration(decl())))))
|
|
In this matcher, the decl will match the CXXRecordDecl of class X.
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXNewExpr.html">CXXNewExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>></td><td class="name" onclick="toggle('hasObjectExpression0')"><a name="hasObjectExpression0Anchor">hasObjectExpression</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasObjectExpression0"><pre>Matches a member expression where the object expression is matched by a
|
|
given matcher. Implicit object expressions are included; that is, it matches
|
|
use of implicit `this`.
|
|
|
|
Given
|
|
struct X {
|
|
int m;
|
|
int f(X x) { x.m; return m; }
|
|
};
|
|
memberExpr(hasObjectExpression(hasType(cxxRecordDecl(hasName("X")))))
|
|
matches `x.m`, but not `m`; however,
|
|
memberExpr(hasObjectExpression(hasType(pointsTo(
|
|
cxxRecordDecl(hasName("X"))))))
|
|
matches `m` (aka. `this->m`), but not `x.m`.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>></td><td class="name" onclick="toggle('member0')"><a name="member0Anchor">member</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ValueDecl.html">ValueDecl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="member0"><pre>Matches a member expression where the member is matched by a
|
|
given matcher.
|
|
|
|
Given
|
|
struct { int first, second; } first, second;
|
|
int i(second.first);
|
|
int j(first.second);
|
|
memberExpr(member(hasName("first")))
|
|
matches second.first
|
|
but not first.second (because the member name there is "second").
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1MemberPointerType.html">MemberPointerType</a>></td><td class="name" onclick="toggle('pointee1')"><a name="pointee1Anchor">pointee</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td></tr>
|
|
<tr><td colspan="4" class="doc" id="pointee1"><pre>Narrows PointerType (and similar) matchers to those where the
|
|
pointee matches a given matcher.
|
|
|
|
Given
|
|
int *a;
|
|
int const *b;
|
|
float const *f;
|
|
pointerType(pointee(isConstQualified(), isInteger()))
|
|
matches "int const *b"
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1BlockPointerType.html">BlockPointerType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1MemberPointerType.html">MemberPointerType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1PointerType.html">PointerType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ReferenceType.html">ReferenceType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NamedDecl.html">NamedDecl</a>></td><td class="name" onclick="toggle('hasUnderlyingDecl0')"><a name="hasUnderlyingDecl0Anchor">hasUnderlyingDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NamedDecl.html">NamedDecl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasUnderlyingDecl0"><pre>Matches a NamedDecl whose underlying declaration matches the given
|
|
matcher.
|
|
|
|
Given
|
|
namespace N { template<class T> void f(T t); }
|
|
template <class T> void g() { using N::f; f(T()); }
|
|
unresolvedLookupExpr(hasAnyDeclaration(
|
|
namedDecl(hasUnderlyingDecl(hasName("::N::f")))))
|
|
matches the use of f in g() .
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifierLoc.html">NestedNameSpecifierLoc</a>></td><td class="name" onclick="toggle('hasPrefix1')"><a name="hasPrefix1Anchor">hasPrefix</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifierLoc.html">NestedNameSpecifierLoc</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasPrefix1"><pre>Matches on the prefix of a NestedNameSpecifierLoc.
|
|
|
|
Given
|
|
struct A { struct B { struct C {}; }; };
|
|
A::B::C c;
|
|
nestedNameSpecifierLoc(hasPrefix(loc(specifiesType(asString("struct A")))))
|
|
matches "A::"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifierLoc.html">NestedNameSpecifierLoc</a>></td><td class="name" onclick="toggle('specifiesTypeLoc0')"><a name="specifiesTypeLoc0Anchor">specifiesTypeLoc</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="specifiesTypeLoc0"><pre>Matches nested name specifier locs that specify a type matching the
|
|
given TypeLoc.
|
|
|
|
Given
|
|
struct A { struct B { struct C {}; }; };
|
|
A::B::C c;
|
|
nestedNameSpecifierLoc(specifiesTypeLoc(loc(type(
|
|
hasDeclaration(cxxRecordDecl(hasName("A")))))))
|
|
matches "A::"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifier.html">NestedNameSpecifier</a>></td><td class="name" onclick="toggle('hasPrefix0')"><a name="hasPrefix0Anchor">hasPrefix</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifier.html">NestedNameSpecifier</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasPrefix0"><pre>Matches on the prefix of a NestedNameSpecifier.
|
|
|
|
Given
|
|
struct A { struct B { struct C {}; }; };
|
|
A::B::C c;
|
|
nestedNameSpecifier(hasPrefix(specifiesType(asString("struct A")))) and
|
|
matches "A::"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifier.html">NestedNameSpecifier</a>></td><td class="name" onclick="toggle('specifiesNamespace0')"><a name="specifiesNamespace0Anchor">specifiesNamespace</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NamespaceDecl.html">NamespaceDecl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="specifiesNamespace0"><pre>Matches nested name specifiers that specify a namespace matching the
|
|
given namespace matcher.
|
|
|
|
Given
|
|
namespace ns { struct A {}; }
|
|
ns::A a;
|
|
nestedNameSpecifier(specifiesNamespace(hasName("ns")))
|
|
matches "ns::"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifier.html">NestedNameSpecifier</a>></td><td class="name" onclick="toggle('specifiesType0')"><a name="specifiesType0Anchor">specifiesType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="specifiesType0"><pre>Matches nested name specifiers that specify a type matching the
|
|
given QualType matcher without qualifiers.
|
|
|
|
Given
|
|
struct A { struct B { struct C {}; }; };
|
|
A::B::C c;
|
|
nestedNameSpecifier(specifiesType(
|
|
hasDeclaration(cxxRecordDecl(hasName("A")))
|
|
))
|
|
matches "A::"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1OMPExecutableDirective.html">OMPExecutableDirective</a>></td><td class="name" onclick="toggle('hasAnyClause0')"><a name="hasAnyClause0Anchor">hasAnyClause</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1OMPClause.html">OMPClause</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasAnyClause0"><pre>Matches any clause in an OpenMP directive.
|
|
|
|
Given
|
|
|
|
#pragma omp parallel
|
|
#pragma omp parallel default(none)
|
|
|
|
``ompExecutableDirective(hasAnyClause(anything()))`` matches
|
|
``omp parallel default(none)``.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1OMPExecutableDirective.html">OMPExecutableDirective</a>></td><td class="name" onclick="toggle('hasStructuredBlock0')"><a name="hasStructuredBlock0Anchor">hasStructuredBlock</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasStructuredBlock0"><pre>Matches the structured-block of the OpenMP executable directive
|
|
|
|
Prerequisite: the executable directive must not be standalone directive.
|
|
If it is, it will never match.
|
|
|
|
Given
|
|
|
|
#pragma omp parallel
|
|
;
|
|
#pragma omp parallel
|
|
{}
|
|
|
|
``ompExecutableDirective(hasStructuredBlock(nullStmt()))`` will match ``;``
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCInterfaceDecl.html">ObjCInterfaceDecl</a>></td><td class="name" onclick="toggle('isDerivedFrom1')"><a name="isDerivedFrom1Anchor">isDerivedFrom</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NamedDecl.html">NamedDecl</a>> Base</td></tr>
|
|
<tr><td colspan="4" class="doc" id="isDerivedFrom1"><pre>Matches C++ classes that are directly or indirectly derived from a class
|
|
matching Base, or Objective-C classes that directly or indirectly
|
|
subclass a class matching Base.
|
|
|
|
Note that a class is not considered to be derived from itself.
|
|
|
|
Example matches Y, Z, C (Base == hasName("X"))
|
|
class X;
|
|
class Y : public X {}; // directly derived
|
|
class Z : public Y {}; // indirectly derived
|
|
typedef X A;
|
|
typedef A B;
|
|
class C : public B {}; // derived from a typedef of X
|
|
|
|
In the following example, Bar matches isDerivedFrom(hasName("X")):
|
|
class Foo;
|
|
typedef Foo X;
|
|
class Bar : public Foo {}; // derived from a type that X is a typedef of
|
|
|
|
In the following example, Bar matches isDerivedFrom(hasName("NSObject"))
|
|
@interface NSObject @end
|
|
@interface Bar : NSObject @end
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCInterfaceDecl.html">ObjCInterfaceDecl</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCInterfaceDecl.html">ObjCInterfaceDecl</a>></td><td class="name" onclick="toggle('isDirectlyDerivedFrom1')"><a name="isDirectlyDerivedFrom1Anchor">isDirectlyDerivedFrom</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NamedDecl.html">NamedDecl</a>> Base</td></tr>
|
|
<tr><td colspan="4" class="doc" id="isDirectlyDerivedFrom1"><pre>Matches C++ or Objective-C classes that are directly derived from a class
|
|
matching Base.
|
|
|
|
Note that a class is not considered to be derived from itself.
|
|
|
|
Example matches Y, C (Base == hasName("X"))
|
|
class X;
|
|
class Y : public X {}; // directly derived
|
|
class Z : public Y {}; // indirectly derived
|
|
typedef X A;
|
|
typedef A B;
|
|
class C : public B {}; // derived from a typedef of X
|
|
|
|
In the following example, Bar matches isDerivedFrom(hasName("X")):
|
|
class Foo;
|
|
typedef Foo X;
|
|
class Bar : public Foo {}; // derived from a type that X is a typedef of
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCInterfaceDecl.html">ObjCInterfaceDecl</a>></td><td class="name" onclick="toggle('isSameOrDerivedFrom1')"><a name="isSameOrDerivedFrom1Anchor">isSameOrDerivedFrom</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NamedDecl.html">NamedDecl</a>> Base</td></tr>
|
|
<tr><td colspan="4" class="doc" id="isSameOrDerivedFrom1"><pre>Similar to isDerivedFrom(), but also matches classes that directly
|
|
match Base.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCMessageExpr.html">ObjCMessageExpr</a>></td><td class="name" onclick="toggle('hasAnyArgument3')"><a name="hasAnyArgument3Anchor">hasAnyArgument</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasAnyArgument3"><pre>Matches any argument of a call expression or a constructor call
|
|
expression, or an ObjC-message-send expression.
|
|
|
|
Given
|
|
void x(int, int, int) { int y; x(1, y, 42); }
|
|
callExpr(hasAnyArgument(declRefExpr()))
|
|
matches x(1, y, 42)
|
|
with hasAnyArgument(...)
|
|
matching y
|
|
|
|
For ObjectiveC, given
|
|
@interface I - (void) f:(int) y; @end
|
|
void foo(I *i) { [i f:12]; }
|
|
objcMessageExpr(hasAnyArgument(integerLiteral(equals(12))))
|
|
matches [i f:12]
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCMessageExpr.html">ObjCMessageExpr</a>></td><td class="name" onclick="toggle('hasArgument2')"><a name="hasArgument2Anchor">hasArgument</a></td><td>unsigned N, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasArgument2"><pre>Matches the n'th argument of a call expression or a constructor
|
|
call expression.
|
|
|
|
Example matches y in x(y)
|
|
(matcher = callExpr(hasArgument(0, declRefExpr())))
|
|
void x(int) { int y; x(y); }
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCMessageExpr.html">ObjCMessageExpr</a>></td><td class="name" onclick="toggle('hasReceiver0')"><a name="hasReceiver0Anchor">hasReceiver</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasReceiver0"><pre>Matches if the Objective-C message is sent to an instance,
|
|
and the inner matcher matches on that instance.
|
|
|
|
For example the method call in
|
|
NSString *x = @"hello";
|
|
[x containsString:@"h"];
|
|
is matched by
|
|
objcMessageExpr(hasReceiver(declRefExpr(to(varDecl(hasName("x"))))))
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCMessageExpr.html">ObjCMessageExpr</a>></td><td class="name" onclick="toggle('hasReceiverType0')"><a name="hasReceiverType0Anchor">hasReceiverType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasReceiverType0"><pre>Matches on the receiver of an ObjectiveC Message expression.
|
|
|
|
Example
|
|
matcher = objCMessageExpr(hasReceiverType(asString("UIWebView *")));
|
|
matches the [webView ...] message invocation.
|
|
NSString *webViewJavaScript = ...
|
|
UIWebView *webView = ...
|
|
[webView stringByEvaluatingJavaScriptFromString:webViewJavascript];
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCMethodDecl.html">ObjCMethodDecl</a>></td><td class="name" onclick="toggle('hasAnyParameter1')"><a name="hasAnyParameter1Anchor">hasAnyParameter</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ParmVarDecl.html">ParmVarDecl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasAnyParameter1"><pre>Matches any parameter of a function or an ObjC method declaration or a
|
|
block.
|
|
|
|
Does not match the 'this' parameter of a method.
|
|
|
|
Given
|
|
class X { void f(int x, int y, int z) {} };
|
|
cxxMethodDecl(hasAnyParameter(hasName("y")))
|
|
matches f(int x, int y, int z) {}
|
|
with hasAnyParameter(...)
|
|
matching int y
|
|
|
|
For ObjectiveC, given
|
|
@interface I - (void) f:(int) y; @end
|
|
|
|
the matcher objcMethodDecl(hasAnyParameter(hasName("y")))
|
|
matches the declaration of method f with hasParameter
|
|
matching y.
|
|
|
|
For blocks, given
|
|
b = ^(int y) { printf("%d", y) };
|
|
|
|
the matcher blockDecl(hasAnyParameter(hasName("y")))
|
|
matches the declaration of the block b with hasParameter
|
|
matching y.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCMethodDecl.html">ObjCMethodDecl</a>></td><td class="name" onclick="toggle('hasParameter1')"><a name="hasParameter1Anchor">hasParameter</a></td><td>unsigned N, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ParmVarDecl.html">ParmVarDecl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasParameter1"><pre>Matches the n'th parameter of a function or an ObjC method
|
|
declaration or a block.
|
|
|
|
Given
|
|
class X { void f(int x) {} };
|
|
cxxMethodDecl(hasParameter(0, hasType(varDecl())))
|
|
matches f(int x) {}
|
|
with hasParameter(...)
|
|
matching int x
|
|
|
|
For ObjectiveC, given
|
|
@interface I - (void) f:(int) y; @end
|
|
|
|
the matcher objcMethodDecl(hasParameter(0, hasName("y")))
|
|
matches the declaration of method f with hasParameter
|
|
matching y.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1OpaqueValueExpr.html">OpaqueValueExpr</a>></td><td class="name" onclick="toggle('hasSourceExpression1')"><a name="hasSourceExpression1Anchor">hasSourceExpression</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasSourceExpression1"><pre>Matches if the cast's source expression
|
|
or opaque value's source expression matches the given matcher.
|
|
|
|
Example 1: matches "a string"
|
|
(matcher = castExpr(hasSourceExpression(cxxConstructExpr())))
|
|
class URL { URL(string); };
|
|
URL url = "a string";
|
|
|
|
Example 2: matches 'b' (matcher =
|
|
opaqueValueExpr(hasSourceExpression(implicitCastExpr(declRefExpr())))
|
|
int a = b ?: 1;
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1OverloadExpr.html">OverloadExpr</a>></td><td class="name" onclick="toggle('hasAnyDeclaration0')"><a name="hasAnyDeclaration0Anchor">hasAnyDeclaration</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasAnyDeclaration0"><pre>Matches an OverloadExpr if any of the declarations in the set of
|
|
overloads matches the given matcher.
|
|
|
|
Given
|
|
template <typename T> void foo(T);
|
|
template <typename T> void bar(T);
|
|
template <typename T> void baz(T t) {
|
|
foo(t);
|
|
bar(t);
|
|
}
|
|
unresolvedLookupExpr(hasAnyDeclaration(
|
|
functionTemplateDecl(hasName("foo"))))
|
|
matches foo in foo(t); but not bar in bar(t);
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ParenType.html">ParenType</a>></td><td class="name" onclick="toggle('innerType0')"><a name="innerType0Anchor">innerType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td></tr>
|
|
<tr><td colspan="4" class="doc" id="innerType0"><pre>Matches ParenType nodes where the inner type is a specific type.
|
|
|
|
Given
|
|
int (*ptr_to_array)[4];
|
|
int (*ptr_to_func)(int);
|
|
|
|
varDecl(hasType(pointsTo(parenType(innerType(functionType()))))) matches
|
|
ptr_to_func but not ptr_to_array.
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ParenType.html">ParenType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1PointerType.html">PointerType</a>></td><td class="name" onclick="toggle('pointee2')"><a name="pointee2Anchor">pointee</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td></tr>
|
|
<tr><td colspan="4" class="doc" id="pointee2"><pre>Narrows PointerType (and similar) matchers to those where the
|
|
pointee matches a given matcher.
|
|
|
|
Given
|
|
int *a;
|
|
int const *b;
|
|
float const *f;
|
|
pointerType(pointee(isConstQualified(), isInteger()))
|
|
matches "int const *b"
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1BlockPointerType.html">BlockPointerType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1MemberPointerType.html">MemberPointerType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1PointerType.html">PointerType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ReferenceType.html">ReferenceType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>></td><td class="name" onclick="toggle('hasCanonicalType0')"><a name="hasCanonicalType0Anchor">hasCanonicalType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasCanonicalType0"><pre>Matches QualTypes whose canonical type matches InnerMatcher.
|
|
|
|
Given:
|
|
typedef int &int_ref;
|
|
int a;
|
|
int_ref b = a;
|
|
|
|
varDecl(hasType(qualType(referenceType()))))) will not match the
|
|
declaration of b but varDecl(hasType(qualType(hasCanonicalType(referenceType())))))) does.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>></td><td class="name" onclick="toggle('hasDeclaration6')"><a name="hasDeclaration6Anchor">hasDeclaration</a></td><td>const Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDeclaration6"><pre>Matches a node if the declaration associated with that node
|
|
matches the given matcher.
|
|
|
|
The associated declaration is:
|
|
- for type nodes, the declaration of the underlying type
|
|
- for CallExpr, the declaration of the callee
|
|
- for MemberExpr, the declaration of the referenced member
|
|
- for CXXConstructExpr, the declaration of the constructor
|
|
- for CXXNewExpr, the declaration of the operator new
|
|
- for ObjCIvarExpr, the declaration of the ivar
|
|
|
|
For type nodes, hasDeclaration will generally match the declaration of the
|
|
sugared type. Given
|
|
class X {};
|
|
typedef X Y;
|
|
Y y;
|
|
in varDecl(hasType(hasDeclaration(decl()))) the decl will match the
|
|
typedefDecl. A common use case is to match the underlying, desugared type.
|
|
This can be achieved by using the hasUnqualifiedDesugaredType matcher:
|
|
varDecl(hasType(hasUnqualifiedDesugaredType(
|
|
recordType(hasDeclaration(decl())))))
|
|
In this matcher, the decl will match the CXXRecordDecl of class X.
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXNewExpr.html">CXXNewExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>></td><td class="name" onclick="toggle('ignoringParens0')"><a name="ignoringParens0Anchor">ignoringParens</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="ignoringParens0"><pre>Matches types that match InnerMatcher after any parens are stripped.
|
|
|
|
Given
|
|
void (*fp)(void);
|
|
The matcher
|
|
varDecl(hasType(pointerType(pointee(ignoringParens(functionType())))))
|
|
would match the declaration for fp.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>></td><td class="name" onclick="toggle('pointsTo1')"><a name="pointsTo1Anchor">pointsTo</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="pointsTo1"><pre>Overloaded to match the pointee type's declaration.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>></td><td class="name" onclick="toggle('pointsTo0')"><a name="pointsTo0Anchor">pointsTo</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="pointsTo0"><pre>Matches if the matched type is a pointer type and the pointee type
|
|
matches the specified matcher.
|
|
|
|
Example matches y->x()
|
|
(matcher = cxxMemberCallExpr(on(hasType(pointsTo
|
|
cxxRecordDecl(hasName("Y")))))))
|
|
class Y { public: void x(); };
|
|
void z() { Y *y; y->x(); }
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>></td><td class="name" onclick="toggle('references1')"><a name="references1Anchor">references</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="references1"><pre>Overloaded to match the referenced type's declaration.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>></td><td class="name" onclick="toggle('references0')"><a name="references0Anchor">references</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="references0"><pre>Matches if the matched type is a reference type and the referenced
|
|
type matches the specified matcher.
|
|
|
|
Example matches X &x and const X &y
|
|
(matcher = varDecl(hasType(references(cxxRecordDecl(hasName("X"))))))
|
|
class X {
|
|
void a(X b) {
|
|
X &x = b;
|
|
const X &y = b;
|
|
}
|
|
};
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>></td><td class="name" onclick="toggle('hasDeclaration5')"><a name="hasDeclaration5Anchor">hasDeclaration</a></td><td>const Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDeclaration5"><pre>Matches a node if the declaration associated with that node
|
|
matches the given matcher.
|
|
|
|
The associated declaration is:
|
|
- for type nodes, the declaration of the underlying type
|
|
- for CallExpr, the declaration of the callee
|
|
- for MemberExpr, the declaration of the referenced member
|
|
- for CXXConstructExpr, the declaration of the constructor
|
|
- for CXXNewExpr, the declaration of the operator new
|
|
- for ObjCIvarExpr, the declaration of the ivar
|
|
|
|
For type nodes, hasDeclaration will generally match the declaration of the
|
|
sugared type. Given
|
|
class X {};
|
|
typedef X Y;
|
|
Y y;
|
|
in varDecl(hasType(hasDeclaration(decl()))) the decl will match the
|
|
typedefDecl. A common use case is to match the underlying, desugared type.
|
|
This can be achieved by using the hasUnqualifiedDesugaredType matcher:
|
|
varDecl(hasType(hasUnqualifiedDesugaredType(
|
|
recordType(hasDeclaration(decl())))))
|
|
In this matcher, the decl will match the CXXRecordDecl of class X.
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXNewExpr.html">CXXNewExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ReferenceType.html">ReferenceType</a>></td><td class="name" onclick="toggle('pointee3')"><a name="pointee3Anchor">pointee</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td></tr>
|
|
<tr><td colspan="4" class="doc" id="pointee3"><pre>Narrows PointerType (and similar) matchers to those where the
|
|
pointee matches a given matcher.
|
|
|
|
Given
|
|
int *a;
|
|
int const *b;
|
|
float const *f;
|
|
pointerType(pointee(isConstQualified(), isInteger()))
|
|
matches "int const *b"
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1BlockPointerType.html">BlockPointerType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1MemberPointerType.html">MemberPointerType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1PointerType.html">PointerType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ReferenceType.html">ReferenceType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ReturnStmt.html">ReturnStmt</a>></td><td class="name" onclick="toggle('hasReturnValue0')"><a name="hasReturnValue0Anchor">hasReturnValue</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasReturnValue0"><pre>Matches the return value expression of a return statement
|
|
|
|
Given
|
|
return a + b;
|
|
hasReturnValue(binaryOperator())
|
|
matches 'return a + b'
|
|
with binaryOperator()
|
|
matching 'a + b'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1StmtExpr.html">StmtExpr</a>></td><td class="name" onclick="toggle('hasAnySubstatement1')"><a name="hasAnySubstatement1Anchor">hasAnySubstatement</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasAnySubstatement1"><pre>Matches compound statements where at least one substatement matches
|
|
a given matcher. Also matches StmtExprs that have CompoundStmt as children.
|
|
|
|
Given
|
|
{ {}; 1+2; }
|
|
hasAnySubstatement(compoundStmt())
|
|
matches '{ {}; 1+2; }'
|
|
with compoundStmt()
|
|
matching '{}'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('alignOfExpr0')"><a name="alignOfExpr0Anchor">alignOfExpr</a></td><td>const Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UnaryExprOrTypeTraitExpr.html">UnaryExprOrTypeTraitExpr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="alignOfExpr0"><pre>Same as unaryExprOrTypeTraitExpr, but only matching
|
|
alignof.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('forFunction0')"><a name="forFunction0Anchor">forFunction</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="forFunction0"><pre>Matches declaration of the function the statement belongs to
|
|
|
|
Given:
|
|
F& operator=(const F& o) {
|
|
std::copy_if(o.begin(), o.end(), begin(), [](V v) { return v > 0; });
|
|
return *this;
|
|
}
|
|
returnStmt(forFunction(hasName("operator=")))
|
|
matches 'return *this'
|
|
but does not match 'return v > 0'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('sizeOfExpr0')"><a name="sizeOfExpr0Anchor">sizeOfExpr</a></td><td>const Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UnaryExprOrTypeTraitExpr.html">UnaryExprOrTypeTraitExpr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="sizeOfExpr0"><pre>Same as unaryExprOrTypeTraitExpr, but only matching
|
|
sizeof.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1SubstTemplateTypeParmType.html">SubstTemplateTypeParmType</a>></td><td class="name" onclick="toggle('hasReplacementType0')"><a name="hasReplacementType0Anchor">hasReplacementType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasReplacementType0"><pre>Matches template type parameter substitutions that have a replacement
|
|
type that matches the provided matcher.
|
|
|
|
Given
|
|
template <typename T>
|
|
double F(T t);
|
|
int i;
|
|
double j = F(i);
|
|
|
|
substTemplateTypeParmType(hasReplacementType(type())) matches int
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1SwitchStmt.html">SwitchStmt</a>></td><td class="name" onclick="toggle('forEachSwitchCase0')"><a name="forEachSwitchCase0Anchor">forEachSwitchCase</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1SwitchCase.html">SwitchCase</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="forEachSwitchCase0"><pre>Matches each case or default statement belonging to the given switch
|
|
statement. This matcher may produce multiple matches.
|
|
|
|
Given
|
|
switch (1) { case 1: case 2: default: switch (2) { case 3: case 4: ; } }
|
|
switchStmt(forEachSwitchCase(caseStmt().bind("c"))).bind("s")
|
|
matches four times, with "c" binding each of "case 1:", "case 2:",
|
|
"case 3:" and "case 4:", and "s" respectively binding "switch (1)",
|
|
"switch (1)", "switch (2)" and "switch (2)".
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1SwitchStmt.html">SwitchStmt</a>></td><td class="name" onclick="toggle('hasCondition4')"><a name="hasCondition4Anchor">hasCondition</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasCondition4"><pre>Matches the condition expression of an if statement, for loop,
|
|
switch statement or conditional operator.
|
|
|
|
Example matches true (matcher = hasCondition(cxxBoolLiteral(equals(true))))
|
|
if (true) {}
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1SwitchStmt.html">SwitchStmt</a>></td><td class="name" onclick="toggle('hasInitStatement1')"><a name="hasInitStatement1Anchor">hasInitStatement</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasInitStatement1"><pre>Matches selection statements with initializer.
|
|
|
|
Given:
|
|
void foo() {
|
|
if (int i = foobar(); i > 0) {}
|
|
switch (int i = foobar(); i) {}
|
|
for (auto& a = get_range(); auto& x : a) {}
|
|
}
|
|
void bar() {
|
|
if (foobar() > 0) {}
|
|
switch (foobar()) {}
|
|
for (auto& x : get_range()) {}
|
|
}
|
|
ifStmt(hasInitStatement(anything()))
|
|
matches the if statement in foo but not in bar.
|
|
switchStmt(hasInitStatement(anything()))
|
|
matches the switch statement in foo but not in bar.
|
|
cxxForRangeStmt(hasInitStatement(anything()))
|
|
matches the range for statement in foo but not in bar.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>></td><td class="name" onclick="toggle('hasDeclaration4')"><a name="hasDeclaration4Anchor">hasDeclaration</a></td><td>const Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDeclaration4"><pre>Matches a node if the declaration associated with that node
|
|
matches the given matcher.
|
|
|
|
The associated declaration is:
|
|
- for type nodes, the declaration of the underlying type
|
|
- for CallExpr, the declaration of the callee
|
|
- for MemberExpr, the declaration of the referenced member
|
|
- for CXXConstructExpr, the declaration of the constructor
|
|
- for CXXNewExpr, the declaration of the operator new
|
|
- for ObjCIvarExpr, the declaration of the ivar
|
|
|
|
For type nodes, hasDeclaration will generally match the declaration of the
|
|
sugared type. Given
|
|
class X {};
|
|
typedef X Y;
|
|
Y y;
|
|
in varDecl(hasType(hasDeclaration(decl()))) the decl will match the
|
|
typedefDecl. A common use case is to match the underlying, desugared type.
|
|
This can be achieved by using the hasUnqualifiedDesugaredType matcher:
|
|
varDecl(hasType(hasUnqualifiedDesugaredType(
|
|
recordType(hasDeclaration(decl())))))
|
|
In this matcher, the decl will match the CXXRecordDecl of class X.
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXNewExpr.html">CXXNewExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>></td><td class="name" onclick="toggle('isExpr0')"><a name="isExpr0Anchor">isExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="isExpr0"><pre>Matches a sugar TemplateArgument that refers to a certain expression.
|
|
|
|
Given
|
|
struct B { int next; };
|
|
template<int(B::*next_ptr)> struct A {};
|
|
A<&B::next> a;
|
|
templateSpecializationType(hasAnyTemplateArgument(
|
|
isExpr(hasDescendant(declRefExpr(to(fieldDecl(hasName("next"))))))))
|
|
matches the specialization A<&B::next> with fieldDecl(...) matching
|
|
B::next
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>></td><td class="name" onclick="toggle('refersToDeclaration0')"><a name="refersToDeclaration0Anchor">refersToDeclaration</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="refersToDeclaration0"><pre>Matches a canonical TemplateArgument that refers to a certain
|
|
declaration.
|
|
|
|
Given
|
|
struct B { int next; };
|
|
template<int(B::*next_ptr)> struct A {};
|
|
A<&B::next> a;
|
|
classTemplateSpecializationDecl(hasAnyTemplateArgument(
|
|
refersToDeclaration(fieldDecl(hasName("next")))))
|
|
matches the specialization A<&B::next> with fieldDecl(...) matching
|
|
B::next
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>></td><td class="name" onclick="toggle('refersToIntegralType0')"><a name="refersToIntegralType0Anchor">refersToIntegralType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="refersToIntegralType0"><pre>Matches a TemplateArgument that referes to an integral type.
|
|
|
|
Given
|
|
template<int T> struct C {};
|
|
C<42> c;
|
|
classTemplateSpecializationDecl(
|
|
hasAnyTemplateArgument(refersToIntegralType(asString("int"))))
|
|
matches the implicit instantiation of C in C<42>.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>></td><td class="name" onclick="toggle('refersToTemplate0')"><a name="refersToTemplate0Anchor">refersToTemplate</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateName.html">TemplateName</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="refersToTemplate0"><pre>Matches a TemplateArgument that refers to a certain template.
|
|
|
|
Given
|
|
template<template <typename> class S> class X {};
|
|
template<typename T> class Y {};
|
|
X<Y> xi;
|
|
classTemplateSpecializationDecl(hasAnyTemplateArgument(
|
|
refersToTemplate(templateName())))
|
|
matches the specialization X<Y>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>></td><td class="name" onclick="toggle('refersToType0')"><a name="refersToType0Anchor">refersToType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="refersToType0"><pre>Matches a TemplateArgument that refers to a certain type.
|
|
|
|
Given
|
|
struct X {};
|
|
template<typename T> struct A {};
|
|
A<X> a;
|
|
classTemplateSpecializationDecl(hasAnyTemplateArgument(
|
|
refersToType(class(hasName("X")))))
|
|
matches the specialization A<X>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>></td><td class="name" onclick="toggle('hasAnyTemplateArgument1')"><a name="hasAnyTemplateArgument1Anchor">hasAnyTemplateArgument</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasAnyTemplateArgument1"><pre>Matches classTemplateSpecializations, templateSpecializationType and
|
|
functionDecl that have at least one TemplateArgument matching the given
|
|
InnerMatcher.
|
|
|
|
Given
|
|
template<typename T> class A {};
|
|
template<> class A<double> {};
|
|
A<int> a;
|
|
|
|
template<typename T> f() {};
|
|
void func() { f<int>(); };
|
|
|
|
classTemplateSpecializationDecl(hasAnyTemplateArgument(
|
|
refersToType(asString("int"))))
|
|
matches the specialization A<int>
|
|
|
|
functionDecl(hasAnyTemplateArgument(refersToType(asString("int"))))
|
|
matches the specialization f<int>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>></td><td class="name" onclick="toggle('hasDeclaration3')"><a name="hasDeclaration3Anchor">hasDeclaration</a></td><td>const Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDeclaration3"><pre>Matches a node if the declaration associated with that node
|
|
matches the given matcher.
|
|
|
|
The associated declaration is:
|
|
- for type nodes, the declaration of the underlying type
|
|
- for CallExpr, the declaration of the callee
|
|
- for MemberExpr, the declaration of the referenced member
|
|
- for CXXConstructExpr, the declaration of the constructor
|
|
- for CXXNewExpr, the declaration of the operator new
|
|
- for ObjCIvarExpr, the declaration of the ivar
|
|
|
|
For type nodes, hasDeclaration will generally match the declaration of the
|
|
sugared type. Given
|
|
class X {};
|
|
typedef X Y;
|
|
Y y;
|
|
in varDecl(hasType(hasDeclaration(decl()))) the decl will match the
|
|
typedefDecl. A common use case is to match the underlying, desugared type.
|
|
This can be achieved by using the hasUnqualifiedDesugaredType matcher:
|
|
varDecl(hasType(hasUnqualifiedDesugaredType(
|
|
recordType(hasDeclaration(decl())))))
|
|
In this matcher, the decl will match the CXXRecordDecl of class X.
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXNewExpr.html">CXXNewExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>></td><td class="name" onclick="toggle('hasTemplateArgument1')"><a name="hasTemplateArgument1Anchor">hasTemplateArgument</a></td><td>unsigned N, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasTemplateArgument1"><pre>Matches classTemplateSpecializations, templateSpecializationType and
|
|
functionDecl where the n'th TemplateArgument matches the given InnerMatcher.
|
|
|
|
Given
|
|
template<typename T, typename U> class A {};
|
|
A<bool, int> b;
|
|
A<int, bool> c;
|
|
|
|
template<typename T> void f() {}
|
|
void func() { f<int>(); };
|
|
classTemplateSpecializationDecl(hasTemplateArgument(
|
|
1, refersToType(asString("int"))))
|
|
matches the specialization A<bool, int>
|
|
|
|
functionDecl(hasTemplateArgument(0, refersToType(asString("int"))))
|
|
matches the specialization f<int>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>></td><td class="name" onclick="toggle('hasDeclaration2')"><a name="hasDeclaration2Anchor">hasDeclaration</a></td><td>const Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDeclaration2"><pre>Matches a node if the declaration associated with that node
|
|
matches the given matcher.
|
|
|
|
The associated declaration is:
|
|
- for type nodes, the declaration of the underlying type
|
|
- for CallExpr, the declaration of the callee
|
|
- for MemberExpr, the declaration of the referenced member
|
|
- for CXXConstructExpr, the declaration of the constructor
|
|
- for CXXNewExpr, the declaration of the operator new
|
|
- for ObjCIvarExpr, the declaration of the ivar
|
|
|
|
For type nodes, hasDeclaration will generally match the declaration of the
|
|
sugared type. Given
|
|
class X {};
|
|
typedef X Y;
|
|
Y y;
|
|
in varDecl(hasType(hasDeclaration(decl()))) the decl will match the
|
|
typedefDecl. A common use case is to match the underlying, desugared type.
|
|
This can be achieved by using the hasUnqualifiedDesugaredType matcher:
|
|
varDecl(hasType(hasUnqualifiedDesugaredType(
|
|
recordType(hasDeclaration(decl())))))
|
|
In this matcher, the decl will match the CXXRecordDecl of class X.
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXNewExpr.html">CXXNewExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<T></td><td class="name" onclick="toggle('findAll0')"><a name="findAll0Anchor">findAll</a></td><td>const Matcher<T> Matcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="findAll0"><pre>Matches if the node or any descendant matches.
|
|
|
|
Generates results for each match.
|
|
|
|
For example, in:
|
|
class A { class B {}; class C {}; };
|
|
The matcher:
|
|
cxxRecordDecl(hasName("::A"),
|
|
findAll(cxxRecordDecl(isDefinition()).bind("m")))
|
|
will generate results for A, B and C.
|
|
|
|
Usable as: Any Matcher
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<T></td><td class="name" onclick="toggle('traverse1')"><a name="traverse1Anchor">traverse</a></td><td>ast_type_traits::TraversalKind TK, const BindableMatcher<T> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="traverse1"><pre></pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<T></td><td class="name" onclick="toggle('traverse0')"><a name="traverse0Anchor">traverse</a></td><td>ast_type_traits::TraversalKind TK, const Matcher<T> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="traverse0"><pre>Causes all nested matchers to be matched with the specified traversal kind.
|
|
|
|
Given
|
|
void foo()
|
|
{
|
|
int i = 3.0;
|
|
}
|
|
The matcher
|
|
traverse(ast_type_traits::TK_IgnoreImplicitCastsAndParentheses,
|
|
varDecl(hasInitializer(floatLiteral().bind("init")))
|
|
)
|
|
matches the variable declaration with "init" bound to the "3.0".
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypedefNameDecl.html">TypedefNameDecl</a>></td><td class="name" onclick="toggle('hasType2')"><a name="hasType2Anchor">hasType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasType2"><pre>Matches if the expression's or declaration's type matches a type
|
|
matcher.
|
|
|
|
Example matches x (matcher = expr(hasType(cxxRecordDecl(hasName("X")))))
|
|
and z (matcher = varDecl(hasType(cxxRecordDecl(hasName("X")))))
|
|
and U (matcher = typedefDecl(hasType(asString("int")))
|
|
and friend class X (matcher = friendDecl(hasType("X"))
|
|
class X {};
|
|
void y(X &x) { x; X z; }
|
|
typedef int U;
|
|
class Y { friend class X; };
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>></td><td class="name" onclick="toggle('hasDeclaration1')"><a name="hasDeclaration1Anchor">hasDeclaration</a></td><td>const Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDeclaration1"><pre>Matches a node if the declaration associated with that node
|
|
matches the given matcher.
|
|
|
|
The associated declaration is:
|
|
- for type nodes, the declaration of the underlying type
|
|
- for CallExpr, the declaration of the callee
|
|
- for MemberExpr, the declaration of the referenced member
|
|
- for CXXConstructExpr, the declaration of the constructor
|
|
- for CXXNewExpr, the declaration of the operator new
|
|
- for ObjCIvarExpr, the declaration of the ivar
|
|
|
|
For type nodes, hasDeclaration will generally match the declaration of the
|
|
sugared type. Given
|
|
class X {};
|
|
typedef X Y;
|
|
Y y;
|
|
in varDecl(hasType(hasDeclaration(decl()))) the decl will match the
|
|
typedefDecl. A common use case is to match the underlying, desugared type.
|
|
This can be achieved by using the hasUnqualifiedDesugaredType matcher:
|
|
varDecl(hasType(hasUnqualifiedDesugaredType(
|
|
recordType(hasDeclaration(decl())))))
|
|
In this matcher, the decl will match the CXXRecordDecl of class X.
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXNewExpr.html">CXXNewExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('hasUnqualifiedDesugaredType0')"><a name="hasUnqualifiedDesugaredType0Anchor">hasUnqualifiedDesugaredType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasUnqualifiedDesugaredType0"><pre>Matches if the matched type matches the unqualified desugared
|
|
type of the matched node.
|
|
|
|
For example, in:
|
|
class A {};
|
|
using B = A;
|
|
The matcher type(hasUnqualifiedDesugaredType(recordType())) matches
|
|
both B and A.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UnaryExprOrTypeTraitExpr.html">UnaryExprOrTypeTraitExpr</a>></td><td class="name" onclick="toggle('hasArgumentOfType0')"><a name="hasArgumentOfType0Anchor">hasArgumentOfType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasArgumentOfType0"><pre>Matches unary expressions that have a specific type of argument.
|
|
|
|
Given
|
|
int a, c; float b; int s = sizeof(a) + sizeof(b) + alignof(c);
|
|
unaryExprOrTypeTraitExpr(hasArgumentOfType(asString("int"))
|
|
matches sizeof(a) and alignof(c)
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UnaryOperator.html">UnaryOperator</a>></td><td class="name" onclick="toggle('hasUnaryOperand0')"><a name="hasUnaryOperand0Anchor">hasUnaryOperand</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasUnaryOperand0"><pre>Matches if the operand of a unary operator matches.
|
|
|
|
Example matches true (matcher = hasUnaryOperand(
|
|
cxxBoolLiteral(equals(true))))
|
|
!true
|
|
</pre></td></tr>
|
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|
|
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<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UnresolvedMemberExpr.html">UnresolvedMemberExpr</a>></td><td class="name" onclick="toggle('hasObjectExpression1')"><a name="hasObjectExpression1Anchor">hasObjectExpression</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
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<tr><td colspan="4" class="doc" id="hasObjectExpression1"><pre>Matches a member expression where the object expression is matched by a
|
|
given matcher. Implicit object expressions are included; that is, it matches
|
|
use of implicit `this`.
|
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|
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Given
|
|
struct X {
|
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int m;
|
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int f(X x) { x.m; return m; }
|
|
};
|
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memberExpr(hasObjectExpression(hasType(cxxRecordDecl(hasName("X")))))
|
|
matches `x.m`, but not `m`; however,
|
|
memberExpr(hasObjectExpression(hasType(pointsTo(
|
|
cxxRecordDecl(hasName("X"))))))
|
|
matches `m` (aka. `this->m`), but not `x.m`.
|
|
</pre></td></tr>
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|
|
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<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>></td><td class="name" onclick="toggle('hasDeclaration0')"><a name="hasDeclaration0Anchor">hasDeclaration</a></td><td>const Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDeclaration0"><pre>Matches a node if the declaration associated with that node
|
|
matches the given matcher.
|
|
|
|
The associated declaration is:
|
|
- for type nodes, the declaration of the underlying type
|
|
- for CallExpr, the declaration of the callee
|
|
- for MemberExpr, the declaration of the referenced member
|
|
- for CXXConstructExpr, the declaration of the constructor
|
|
- for CXXNewExpr, the declaration of the operator new
|
|
- for ObjCIvarExpr, the declaration of the ivar
|
|
|
|
For type nodes, hasDeclaration will generally match the declaration of the
|
|
sugared type. Given
|
|
class X {};
|
|
typedef X Y;
|
|
Y y;
|
|
in varDecl(hasType(hasDeclaration(decl()))) the decl will match the
|
|
typedefDecl. A common use case is to match the underlying, desugared type.
|
|
This can be achieved by using the hasUnqualifiedDesugaredType matcher:
|
|
varDecl(hasType(hasUnqualifiedDesugaredType(
|
|
recordType(hasDeclaration(decl())))))
|
|
In this matcher, the decl will match the CXXRecordDecl of class X.
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXNewExpr.html">CXXNewExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>>,
|
|
Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UsingDecl.html">UsingDecl</a>></td><td class="name" onclick="toggle('hasAnyUsingShadowDecl0')"><a name="hasAnyUsingShadowDecl0Anchor">hasAnyUsingShadowDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UsingShadowDecl.html">UsingShadowDecl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasAnyUsingShadowDecl0"><pre>Matches any using shadow declaration.
|
|
|
|
Given
|
|
namespace X { void b(); }
|
|
using X::b;
|
|
usingDecl(hasAnyUsingShadowDecl(hasName("b"))))
|
|
matches using X::b </pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1UsingShadowDecl.html">UsingShadowDecl</a>></td><td class="name" onclick="toggle('hasTargetDecl0')"><a name="hasTargetDecl0Anchor">hasTargetDecl</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NamedDecl.html">NamedDecl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasTargetDecl0"><pre>Matches a using shadow declaration where the target declaration is
|
|
matched by the given matcher.
|
|
|
|
Given
|
|
namespace X { int a; void b(); }
|
|
using X::a;
|
|
using X::b;
|
|
usingDecl(hasAnyUsingShadowDecl(hasTargetDecl(functionDecl())))
|
|
matches using X::b but not using X::a </pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ValueDecl.html">ValueDecl</a>></td><td class="name" onclick="toggle('hasType6')"><a name="hasType6Anchor">hasType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasType6"><pre>Overloaded to match the declaration of the expression's or value
|
|
declaration's type.
|
|
|
|
In case of a value declaration (for example a variable declaration),
|
|
this resolves one layer of indirection. For example, in the value
|
|
declaration "X x;", cxxRecordDecl(hasName("X")) matches the declaration of
|
|
X, while varDecl(hasType(cxxRecordDecl(hasName("X")))) matches the
|
|
declaration of x.
|
|
|
|
Example matches x (matcher = expr(hasType(cxxRecordDecl(hasName("X")))))
|
|
and z (matcher = varDecl(hasType(cxxRecordDecl(hasName("X")))))
|
|
and friend class X (matcher = friendDecl(hasType("X"))
|
|
class X {};
|
|
void y(X &x) { x; X z; }
|
|
class Y { friend class X; };
|
|
|
|
Usable as: Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>>, Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ValueDecl.html">ValueDecl</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1ValueDecl.html">ValueDecl</a>></td><td class="name" onclick="toggle('hasType3')"><a name="hasType3Anchor">hasType</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasType3"><pre>Matches if the expression's or declaration's type matches a type
|
|
matcher.
|
|
|
|
Example matches x (matcher = expr(hasType(cxxRecordDecl(hasName("X")))))
|
|
and z (matcher = varDecl(hasType(cxxRecordDecl(hasName("X")))))
|
|
and U (matcher = typedefDecl(hasType(asString("int")))
|
|
and friend class X (matcher = friendDecl(hasType("X"))
|
|
class X {};
|
|
void y(X &x) { x; X z; }
|
|
typedef int U;
|
|
class Y { friend class X; };
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>></td><td class="name" onclick="toggle('hasInitializer0')"><a name="hasInitializer0Anchor">hasInitializer</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasInitializer0"><pre>Matches a variable declaration that has an initializer expression
|
|
that matches the given matcher.
|
|
|
|
Example matches x (matcher = varDecl(hasInitializer(callExpr())))
|
|
bool y() { return true; }
|
|
bool x = y();
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1VariableArrayType.html">VariableArrayType</a>></td><td class="name" onclick="toggle('hasSizeExpr0')"><a name="hasSizeExpr0Anchor">hasSizeExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasSizeExpr0"><pre>Matches VariableArrayType nodes that have a specific size
|
|
expression.
|
|
|
|
Given
|
|
void f(int b) {
|
|
int a[b];
|
|
}
|
|
variableArrayType(hasSizeExpr(ignoringImpCasts(declRefExpr(to(
|
|
varDecl(hasName("b")))))))
|
|
matches "int a[b]"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1WhileStmt.html">WhileStmt</a>></td><td class="name" onclick="toggle('hasBody2')"><a name="hasBody2Anchor">hasBody</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasBody2"><pre>Matches a 'for', 'while', 'do while' statement or a function
|
|
definition that has a given body.
|
|
|
|
Given
|
|
for (;;) {}
|
|
hasBody(compoundStmt())
|
|
matches 'for (;;) {}'
|
|
with compoundStmt()
|
|
matching '{}'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1WhileStmt.html">WhileStmt</a>></td><td class="name" onclick="toggle('hasCondition2')"><a name="hasCondition2Anchor">hasCondition</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasCondition2"><pre>Matches the condition expression of an if statement, for loop,
|
|
switch statement or conditional operator.
|
|
|
|
Example matches true (matcher = hasCondition(cxxBoolLiteral(equals(true))))
|
|
if (true) {}
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<internal::BindableMatcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifierLoc.html">NestedNameSpecifierLoc</a>>></td><td class="name" onclick="toggle('loc1')"><a name="loc1Anchor">loc</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifier.html">NestedNameSpecifier</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="loc1"><pre>Matches NestedNameSpecifierLocs for which the given inner
|
|
NestedNameSpecifier-matcher matches.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<internal::BindableMatcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>>></td><td class="name" onclick="toggle('loc0')"><a name="loc0Anchor">loc</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="loc0"><pre>Matches TypeLocs for which the given inner
|
|
QualType-matcher matches.
|
|
</pre></td></tr>
|
|
|
|
<!--END_TRAVERSAL_MATCHERS -->
|
|
</table>
|
|
|
|
</div>
|
|
</body>
|
|
</html>
|
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|