forked from OSchip/llvm-project
1678 lines
63 KiB
C++
1678 lines
63 KiB
C++
//== unittests/ASTMatchers/ASTMatchersNodeTest.cpp - AST matcher unit tests ==//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "ASTMatchersTest.h"
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#include "clang/AST/PrettyPrinter.h"
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#include "clang/ASTMatchers/ASTMatchFinder.h"
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#include "clang/ASTMatchers/ASTMatchers.h"
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#include "clang/Tooling/Tooling.h"
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#include "llvm/ADT/Triple.h"
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#include "llvm/Support/Host.h"
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#include "gtest/gtest.h"
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namespace clang {
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namespace ast_matchers {
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TEST(Finder, DynamicOnlyAcceptsSomeMatchers) {
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MatchFinder Finder;
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EXPECT_TRUE(Finder.addDynamicMatcher(decl(), nullptr));
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EXPECT_TRUE(Finder.addDynamicMatcher(callExpr(), nullptr));
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EXPECT_TRUE(Finder.addDynamicMatcher(constantArrayType(hasSize(42)),
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nullptr));
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// Do not accept non-toplevel matchers.
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EXPECT_FALSE(Finder.addDynamicMatcher(isArrow(), nullptr));
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EXPECT_FALSE(Finder.addDynamicMatcher(hasName("x"), nullptr));
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}
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TEST(Decl, MatchesDeclarations) {
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EXPECT_TRUE(notMatches("", decl(usingDecl())));
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EXPECT_TRUE(matches("namespace x { class X {}; } using x::X;",
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decl(usingDecl())));
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}
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TEST(NameableDeclaration, MatchesVariousDecls) {
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DeclarationMatcher NamedX = namedDecl(hasName("X"));
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EXPECT_TRUE(matches("typedef int X;", NamedX));
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EXPECT_TRUE(matches("int X;", NamedX));
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EXPECT_TRUE(matches("class foo { virtual void X(); };", NamedX));
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EXPECT_TRUE(matches("void foo() try { } catch(int X) { }", NamedX));
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EXPECT_TRUE(matches("void foo() { int X; }", NamedX));
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EXPECT_TRUE(matches("namespace X { }", NamedX));
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EXPECT_TRUE(matches("enum X { A, B, C };", NamedX));
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EXPECT_TRUE(notMatches("#define X 1", NamedX));
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}
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TEST(NameableDeclaration, REMatchesVariousDecls) {
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DeclarationMatcher NamedX = namedDecl(matchesName("::X"));
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EXPECT_TRUE(matches("typedef int Xa;", NamedX));
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EXPECT_TRUE(matches("int Xb;", NamedX));
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EXPECT_TRUE(matches("class foo { virtual void Xc(); };", NamedX));
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EXPECT_TRUE(matches("void foo() try { } catch(int Xdef) { }", NamedX));
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EXPECT_TRUE(matches("void foo() { int Xgh; }", NamedX));
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EXPECT_TRUE(matches("namespace Xij { }", NamedX));
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EXPECT_TRUE(matches("enum X { A, B, C };", NamedX));
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EXPECT_TRUE(notMatches("#define Xkl 1", NamedX));
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DeclarationMatcher StartsWithNo = namedDecl(matchesName("::no"));
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EXPECT_TRUE(matches("int no_foo;", StartsWithNo));
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EXPECT_TRUE(matches("class foo { virtual void nobody(); };", StartsWithNo));
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DeclarationMatcher Abc = namedDecl(matchesName("a.*b.*c"));
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EXPECT_TRUE(matches("int abc;", Abc));
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EXPECT_TRUE(matches("int aFOObBARc;", Abc));
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EXPECT_TRUE(notMatches("int cab;", Abc));
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EXPECT_TRUE(matches("int cabc;", Abc));
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DeclarationMatcher StartsWithK = namedDecl(matchesName(":k[^:]*$"));
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EXPECT_TRUE(matches("int k;", StartsWithK));
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EXPECT_TRUE(matches("int kAbc;", StartsWithK));
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EXPECT_TRUE(matches("namespace x { int kTest; }", StartsWithK));
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EXPECT_TRUE(matches("class C { int k; };", StartsWithK));
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EXPECT_TRUE(notMatches("class C { int ckc; };", StartsWithK));
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}
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TEST(DeclarationMatcher, MatchClass) {
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DeclarationMatcher ClassMatcher(recordDecl());
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// This passes on Windows only because we explicitly pass -target
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// i386-unknown-unknown. If we were to compile with the default target
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// triple, we'd want to EXPECT_TRUE if it's Win32 or MSVC.
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EXPECT_FALSE(matches("", ClassMatcher));
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DeclarationMatcher ClassX = recordDecl(recordDecl(hasName("X")));
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EXPECT_TRUE(matches("class X;", ClassX));
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EXPECT_TRUE(matches("class X {};", ClassX));
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EXPECT_TRUE(matches("template<class T> class X {};", ClassX));
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EXPECT_TRUE(notMatches("", ClassX));
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}
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TEST(DeclarationMatcher, translationUnitDecl) {
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const std::string Code = "int MyVar1;\n"
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"namespace NameSpace {\n"
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"int MyVar2;\n"
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"} // namespace NameSpace\n";
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EXPECT_TRUE(matches(
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Code, varDecl(hasName("MyVar1"), hasDeclContext(translationUnitDecl()))));
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EXPECT_FALSE(matches(
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Code, varDecl(hasName("MyVar2"), hasDeclContext(translationUnitDecl()))));
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EXPECT_TRUE(matches(
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Code,
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varDecl(hasName("MyVar2"),
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hasDeclContext(decl(hasDeclContext(translationUnitDecl()))))));
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}
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TEST(DeclarationMatcher, LinkageSpecification) {
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EXPECT_TRUE(matches("extern \"C\" { void foo() {}; }", linkageSpecDecl()));
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EXPECT_TRUE(notMatches("void foo() {};", linkageSpecDecl()));
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}
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TEST(ClassTemplate, DoesNotMatchClass) {
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DeclarationMatcher ClassX = classTemplateDecl(hasName("X"));
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EXPECT_TRUE(notMatches("class X;", ClassX));
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EXPECT_TRUE(notMatches("class X {};", ClassX));
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}
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TEST(ClassTemplate, MatchesClassTemplate) {
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DeclarationMatcher ClassX = classTemplateDecl(hasName("X"));
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EXPECT_TRUE(matches("template<typename T> class X {};", ClassX));
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EXPECT_TRUE(matches("class Z { template<class T> class X {}; };", ClassX));
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}
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TEST(ClassTemplate, DoesNotMatchClassTemplateExplicitSpecialization) {
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EXPECT_TRUE(notMatches("template<typename T> class X { };"
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"template<> class X<int> { int a; };",
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classTemplateDecl(hasName("X"),
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hasDescendant(fieldDecl(hasName("a"))))));
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}
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TEST(ClassTemplate, DoesNotMatchClassTemplatePartialSpecialization) {
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EXPECT_TRUE(notMatches("template<typename T, typename U> class X { };"
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"template<typename T> class X<T, int> { int a; };",
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classTemplateDecl(hasName("X"),
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hasDescendant(fieldDecl(hasName("a"))))));
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}
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TEST(DeclarationMatcher, MatchCudaDecl) {
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EXPECT_TRUE(matchesWithCuda("__global__ void f() { }"
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"void g() { f<<<1, 2>>>(); }",
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cudaKernelCallExpr()));
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EXPECT_TRUE(matchesWithCuda("__attribute__((device)) void f() {}",
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hasAttr(clang::attr::CUDADevice)));
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EXPECT_TRUE(notMatchesWithCuda("void f() {}",
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cudaKernelCallExpr()));
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EXPECT_FALSE(notMatchesWithCuda("__attribute__((global)) void f() {}",
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hasAttr(clang::attr::CUDAGlobal)));
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}
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TEST(ValueDecl, Matches) {
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EXPECT_TRUE(matches("enum EnumType { EnumValue };",
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valueDecl(hasType(asString("enum EnumType")))));
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EXPECT_TRUE(matches("void FunctionDecl();",
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valueDecl(hasType(asString("void (void)")))));
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}
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TEST(Enum, DoesNotMatchClasses) {
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EXPECT_TRUE(notMatches("class X {};", enumDecl(hasName("X"))));
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}
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TEST(Enum, MatchesEnums) {
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EXPECT_TRUE(matches("enum X {};", enumDecl(hasName("X"))));
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}
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TEST(EnumConstant, Matches) {
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DeclarationMatcher Matcher = enumConstantDecl(hasName("A"));
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EXPECT_TRUE(matches("enum X{ A };", Matcher));
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EXPECT_TRUE(notMatches("enum X{ B };", Matcher));
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EXPECT_TRUE(notMatches("enum X {};", Matcher));
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}
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TEST(Matcher, UnresolvedLookupExpr) {
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// FIXME: The test is known to be broken on Windows with delayed template
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// parsing.
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EXPECT_TRUE(matchesConditionally("template<typename T>"
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"T foo() { T a; return a; }"
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"template<typename T>"
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"void bar() {"
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" foo<T>();"
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"}",
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unresolvedLookupExpr(),
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/*ExpectMatch=*/true,
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"-fno-delayed-template-parsing"));
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}
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TEST(Matcher, Call) {
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// FIXME: Do we want to overload Call() to directly take
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// Matcher<Decl>, too?
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StatementMatcher MethodX =
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callExpr(hasDeclaration(cxxMethodDecl(hasName("x"))));
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EXPECT_TRUE(matches("class Y { void x() { x(); } };", MethodX));
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EXPECT_TRUE(notMatches("class Y { void x() {} };", MethodX));
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StatementMatcher MethodOnY =
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cxxMemberCallExpr(on(hasType(recordDecl(hasName("Y")))));
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EXPECT_TRUE(
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matches("class Y { public: void x(); }; void z() { Y y; y.x(); }",
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MethodOnY));
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EXPECT_TRUE(
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matches("class Y { public: void x(); }; void z(Y &y) { y.x(); }",
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MethodOnY));
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EXPECT_TRUE(
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notMatches("class Y { public: void x(); }; void z(Y *&y) { y->x(); }",
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MethodOnY));
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EXPECT_TRUE(
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notMatches("class Y { public: void x(); }; void z(Y y[]) { y->x(); }",
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MethodOnY));
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EXPECT_TRUE(
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notMatches("class Y { public: void x(); }; void z() { Y *y; y->x(); }",
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MethodOnY));
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StatementMatcher MethodOnYPointer =
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cxxMemberCallExpr(on(hasType(pointsTo(recordDecl(hasName("Y"))))));
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EXPECT_TRUE(
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matches("class Y { public: void x(); }; void z() { Y *y; y->x(); }",
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MethodOnYPointer));
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EXPECT_TRUE(
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matches("class Y { public: void x(); }; void z(Y *&y) { y->x(); }",
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MethodOnYPointer));
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EXPECT_TRUE(
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matches("class Y { public: void x(); }; void z(Y y[]) { y->x(); }",
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MethodOnYPointer));
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EXPECT_TRUE(
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notMatches("class Y { public: void x(); }; void z() { Y y; y.x(); }",
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MethodOnYPointer));
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EXPECT_TRUE(
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notMatches("class Y { public: void x(); }; void z(Y &y) { y.x(); }",
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MethodOnYPointer));
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}
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TEST(Matcher, Lambda) {
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EXPECT_TRUE(matches("auto f = [] (int i) { return i; };",
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lambdaExpr()));
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}
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TEST(Matcher, ForRange) {
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EXPECT_TRUE(matches("int as[] = { 1, 2, 3 };"
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"void f() { for (auto &a : as); }",
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cxxForRangeStmt()));
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EXPECT_TRUE(notMatches("void f() { for (int i; i<5; ++i); }",
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cxxForRangeStmt()));
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}
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TEST(Matcher, SubstNonTypeTemplateParm) {
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EXPECT_FALSE(matches("template<int N>\n"
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"struct A { static const int n = 0; };\n"
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"struct B : public A<42> {};",
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substNonTypeTemplateParmExpr()));
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EXPECT_TRUE(matches("template<int N>\n"
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"struct A { static const int n = N; };\n"
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"struct B : public A<42> {};",
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substNonTypeTemplateParmExpr()));
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}
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TEST(Matcher, NonTypeTemplateParmDecl) {
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EXPECT_TRUE(matches("template <int N> void f();",
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nonTypeTemplateParmDecl(hasName("N"))));
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EXPECT_TRUE(
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notMatches("template <typename T> void f();", nonTypeTemplateParmDecl()));
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}
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TEST(Matcher, templateTypeParmDecl) {
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EXPECT_TRUE(matches("template <typename T> void f();",
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templateTypeParmDecl(hasName("T"))));
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EXPECT_TRUE(
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notMatches("template <int N> void f();", templateTypeParmDecl()));
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}
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TEST(Matcher, UserDefinedLiteral) {
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EXPECT_TRUE(matches("constexpr char operator \"\" _inc (const char i) {"
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" return i + 1;"
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"}"
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"char c = 'a'_inc;",
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userDefinedLiteral()));
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}
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TEST(Matcher, FlowControl) {
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EXPECT_TRUE(matches("void f() { while(true) { break; } }", breakStmt()));
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EXPECT_TRUE(matches("void f() { while(true) { continue; } }",
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continueStmt()));
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EXPECT_TRUE(matches("void f() { goto FOO; FOO: ;}", gotoStmt()));
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EXPECT_TRUE(matches("void f() { goto FOO; FOO: ;}",
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labelStmt(
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hasDeclaration(
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labelDecl(hasName("FOO"))))));
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EXPECT_TRUE(matches("void f() { FOO: ; void *ptr = &&FOO; goto *ptr; }",
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addrLabelExpr()));
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EXPECT_TRUE(matches("void f() { return; }", returnStmt()));
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}
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TEST(Matcher, OverloadedOperatorCall) {
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StatementMatcher OpCall = cxxOperatorCallExpr();
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// Unary operator
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EXPECT_TRUE(matches("class Y { }; "
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"bool operator!(Y x) { return false; }; "
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"Y y; bool c = !y;", OpCall));
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// No match -- special operators like "new", "delete"
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// FIXME: operator new takes size_t, for which we need stddef.h, for which
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// we need to figure out include paths in the test.
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// EXPECT_TRUE(NotMatches("#include <stddef.h>\n"
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// "class Y { }; "
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// "void *operator new(size_t size) { return 0; } "
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// "Y *y = new Y;", OpCall));
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EXPECT_TRUE(notMatches("class Y { }; "
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"void operator delete(void *p) { } "
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"void a() {Y *y = new Y; delete y;}", OpCall));
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// Binary operator
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EXPECT_TRUE(matches("class Y { }; "
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"bool operator&&(Y x, Y y) { return true; }; "
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"Y a; Y b; bool c = a && b;",
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OpCall));
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// No match -- normal operator, not an overloaded one.
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EXPECT_TRUE(notMatches("bool x = true, y = true; bool t = x && y;", OpCall));
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EXPECT_TRUE(notMatches("int t = 5 << 2;", OpCall));
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}
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TEST(Matcher, ThisPointerType) {
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StatementMatcher MethodOnY =
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cxxMemberCallExpr(thisPointerType(recordDecl(hasName("Y"))));
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EXPECT_TRUE(
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matches("class Y { public: void x(); }; void z() { Y y; y.x(); }",
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MethodOnY));
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EXPECT_TRUE(
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matches("class Y { public: void x(); }; void z(Y &y) { y.x(); }",
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MethodOnY));
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EXPECT_TRUE(
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matches("class Y { public: void x(); }; void z(Y *&y) { y->x(); }",
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MethodOnY));
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EXPECT_TRUE(
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matches("class Y { public: void x(); }; void z(Y y[]) { y->x(); }",
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MethodOnY));
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EXPECT_TRUE(
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matches("class Y { public: void x(); }; void z() { Y *y; y->x(); }",
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MethodOnY));
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EXPECT_TRUE(matches(
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"class Y {"
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" public: virtual void x();"
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"};"
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"class X : public Y {"
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" public: virtual void x();"
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"};"
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"void z() { X *x; x->Y::x(); }", MethodOnY));
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}
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TEST(Matcher, VariableUsage) {
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StatementMatcher Reference =
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declRefExpr(to(
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varDecl(hasInitializer(
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cxxMemberCallExpr(thisPointerType(recordDecl(hasName("Y"))))))));
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EXPECT_TRUE(matches(
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"class Y {"
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" public:"
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" bool x() const;"
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"};"
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"void z(const Y &y) {"
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" bool b = y.x();"
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" if (b) {}"
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"}", Reference));
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EXPECT_TRUE(notMatches(
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"class Y {"
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" public:"
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" bool x() const;"
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"};"
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"void z(const Y &y) {"
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" bool b = y.x();"
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"}", Reference));
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}
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TEST(Matcher, CalledVariable) {
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StatementMatcher CallOnVariableY =
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cxxMemberCallExpr(on(declRefExpr(to(varDecl(hasName("y"))))));
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EXPECT_TRUE(matches(
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"class Y { public: void x() { Y y; y.x(); } };", CallOnVariableY));
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EXPECT_TRUE(matches(
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"class Y { public: void x() const { Y y; y.x(); } };", CallOnVariableY));
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EXPECT_TRUE(matches(
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"class Y { public: void x(); };"
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"class X : public Y { void z() { X y; y.x(); } };", CallOnVariableY));
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EXPECT_TRUE(matches(
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"class Y { public: void x(); };"
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"class X : public Y { void z() { X *y; y->x(); } };", CallOnVariableY));
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EXPECT_TRUE(notMatches(
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"class Y { public: void x(); };"
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"class X : public Y { void z() { unsigned long y; ((X*)y)->x(); } };",
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CallOnVariableY));
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}
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TEST(UnaryExprOrTypeTraitExpr, MatchesSizeOfAndAlignOf) {
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EXPECT_TRUE(matches("void x() { int a = sizeof(a); }",
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unaryExprOrTypeTraitExpr()));
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EXPECT_TRUE(notMatches("void x() { int a = sizeof(a); }",
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alignOfExpr(anything())));
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// FIXME: Uncomment once alignof is enabled.
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// EXPECT_TRUE(matches("void x() { int a = alignof(a); }",
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// unaryExprOrTypeTraitExpr()));
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// EXPECT_TRUE(notMatches("void x() { int a = alignof(a); }",
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// sizeOfExpr()));
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}
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TEST(MemberExpression, DoesNotMatchClasses) {
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EXPECT_TRUE(notMatches("class Y { void x() {} };", memberExpr()));
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}
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TEST(MemberExpression, MatchesMemberFunctionCall) {
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EXPECT_TRUE(matches("class Y { void x() { x(); } };", memberExpr()));
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}
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TEST(MemberExpression, MatchesVariable) {
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EXPECT_TRUE(
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matches("class Y { void x() { this->y; } int y; };", memberExpr()));
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EXPECT_TRUE(
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matches("class Y { void x() { y; } int y; };", memberExpr()));
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EXPECT_TRUE(
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matches("class Y { void x() { Y y; y.y; } int y; };", memberExpr()));
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}
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TEST(MemberExpression, MatchesStaticVariable) {
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EXPECT_TRUE(matches("class Y { void x() { this->y; } static int y; };",
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memberExpr()));
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EXPECT_TRUE(notMatches("class Y { void x() { y; } static int y; };",
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memberExpr()));
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EXPECT_TRUE(notMatches("class Y { void x() { Y::y; } static int y; };",
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memberExpr()));
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}
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TEST(Function, MatchesFunctionDeclarations) {
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StatementMatcher CallFunctionF = callExpr(callee(functionDecl(hasName("f"))));
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EXPECT_TRUE(matches("void f() { f(); }", CallFunctionF));
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EXPECT_TRUE(notMatches("void f() { }", CallFunctionF));
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if (llvm::Triple(llvm::sys::getDefaultTargetTriple()).getOS() !=
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llvm::Triple::Win32) {
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// FIXME: Make this work for MSVC.
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// Dependent contexts, but a non-dependent call.
|
|
EXPECT_TRUE(matches("void f(); template <int N> void g() { f(); }",
|
|
CallFunctionF));
|
|
EXPECT_TRUE(
|
|
matches("void f(); template <int N> struct S { void g() { f(); } };",
|
|
CallFunctionF));
|
|
}
|
|
|
|
// Depedent calls don't match.
|
|
EXPECT_TRUE(
|
|
notMatches("void f(int); template <typename T> void g(T t) { f(t); }",
|
|
CallFunctionF));
|
|
EXPECT_TRUE(
|
|
notMatches("void f(int);"
|
|
"template <typename T> struct S { void g(T t) { f(t); } };",
|
|
CallFunctionF));
|
|
|
|
EXPECT_TRUE(matches("void f(...);", functionDecl(isVariadic())));
|
|
EXPECT_TRUE(notMatches("void f(int);", functionDecl(isVariadic())));
|
|
EXPECT_TRUE(notMatches("template <typename... Ts> void f(Ts...);",
|
|
functionDecl(isVariadic())));
|
|
EXPECT_TRUE(notMatches("void f();", functionDecl(isVariadic())));
|
|
EXPECT_TRUE(notMatchesC("void f();", functionDecl(isVariadic())));
|
|
EXPECT_TRUE(matches("void f(...);", functionDecl(parameterCountIs(0))));
|
|
EXPECT_TRUE(matchesC("void f();", functionDecl(parameterCountIs(0))));
|
|
EXPECT_TRUE(matches("void f(int, ...);", functionDecl(parameterCountIs(1))));
|
|
}
|
|
|
|
TEST(FunctionTemplate, MatchesFunctionTemplateDeclarations) {
|
|
EXPECT_TRUE(
|
|
matches("template <typename T> void f(T t) {}",
|
|
functionTemplateDecl(hasName("f"))));
|
|
}
|
|
|
|
TEST(FunctionTemplate, DoesNotMatchFunctionDeclarations) {
|
|
EXPECT_TRUE(
|
|
notMatches("void f(double d); void f(int t) {}",
|
|
functionTemplateDecl(hasName("f"))));
|
|
}
|
|
|
|
TEST(FunctionTemplate, DoesNotMatchFunctionTemplateSpecializations) {
|
|
EXPECT_TRUE(
|
|
notMatches("void g(); template <typename T> void f(T t) {}"
|
|
"template <> void f(int t) { g(); }",
|
|
functionTemplateDecl(hasName("f"),
|
|
hasDescendant(declRefExpr(to(
|
|
functionDecl(hasName("g"))))))));
|
|
}
|
|
|
|
TEST(Matcher, MatchesClassTemplateSpecialization) {
|
|
EXPECT_TRUE(matches("template<typename T> struct A {};"
|
|
"template<> struct A<int> {};",
|
|
classTemplateSpecializationDecl()));
|
|
EXPECT_TRUE(matches("template<typename T> struct A {}; A<int> a;",
|
|
classTemplateSpecializationDecl()));
|
|
EXPECT_TRUE(notMatches("template<typename T> struct A {};",
|
|
classTemplateSpecializationDecl()));
|
|
}
|
|
|
|
TEST(DeclaratorDecl, MatchesDeclaratorDecls) {
|
|
EXPECT_TRUE(matches("int x;", declaratorDecl()));
|
|
EXPECT_TRUE(notMatches("class A {};", declaratorDecl()));
|
|
}
|
|
|
|
TEST(ParmVarDecl, MatchesParmVars) {
|
|
EXPECT_TRUE(matches("void f(int x);", parmVarDecl()));
|
|
EXPECT_TRUE(notMatches("void f();", parmVarDecl()));
|
|
}
|
|
|
|
TEST(Matcher, ConstructorCall) {
|
|
StatementMatcher Constructor = cxxConstructExpr();
|
|
|
|
EXPECT_TRUE(
|
|
matches("class X { public: X(); }; void x() { X x; }", Constructor));
|
|
EXPECT_TRUE(
|
|
matches("class X { public: X(); }; void x() { X x = X(); }",
|
|
Constructor));
|
|
EXPECT_TRUE(
|
|
matches("class X { public: X(int); }; void x() { X x = 0; }",
|
|
Constructor));
|
|
EXPECT_TRUE(matches("class X {}; void x(int) { X x; }", Constructor));
|
|
}
|
|
|
|
TEST(Match, ConstructorInitializers) {
|
|
EXPECT_TRUE(matches("class C { int i; public: C(int ii) : i(ii) {} };",
|
|
cxxCtorInitializer(forField(hasName("i")))));
|
|
}
|
|
|
|
TEST(Matcher, ThisExpr) {
|
|
EXPECT_TRUE(
|
|
matches("struct X { int a; int f () { return a; } };", cxxThisExpr()));
|
|
EXPECT_TRUE(
|
|
notMatches("struct X { int f () { int a; return a; } };", cxxThisExpr()));
|
|
}
|
|
|
|
TEST(Matcher, BindTemporaryExpression) {
|
|
StatementMatcher TempExpression = cxxBindTemporaryExpr();
|
|
|
|
std::string ClassString = "class string { public: string(); ~string(); }; ";
|
|
|
|
EXPECT_TRUE(
|
|
matches(ClassString +
|
|
"string GetStringByValue();"
|
|
"void FunctionTakesString(string s);"
|
|
"void run() { FunctionTakesString(GetStringByValue()); }",
|
|
TempExpression));
|
|
|
|
EXPECT_TRUE(
|
|
notMatches(ClassString +
|
|
"string* GetStringPointer(); "
|
|
"void FunctionTakesStringPtr(string* s);"
|
|
"void run() {"
|
|
" string* s = GetStringPointer();"
|
|
" FunctionTakesStringPtr(GetStringPointer());"
|
|
" FunctionTakesStringPtr(s);"
|
|
"}",
|
|
TempExpression));
|
|
|
|
EXPECT_TRUE(
|
|
notMatches("class no_dtor {};"
|
|
"no_dtor GetObjByValue();"
|
|
"void ConsumeObj(no_dtor param);"
|
|
"void run() { ConsumeObj(GetObjByValue()); }",
|
|
TempExpression));
|
|
}
|
|
|
|
TEST(MaterializeTemporaryExpr, MatchesTemporary) {
|
|
std::string ClassString =
|
|
"class string { public: string(); int length(); }; ";
|
|
|
|
EXPECT_TRUE(
|
|
matches(ClassString +
|
|
"string GetStringByValue();"
|
|
"void FunctionTakesString(string s);"
|
|
"void run() { FunctionTakesString(GetStringByValue()); }",
|
|
materializeTemporaryExpr()));
|
|
|
|
EXPECT_TRUE(
|
|
notMatches(ClassString +
|
|
"string* GetStringPointer(); "
|
|
"void FunctionTakesStringPtr(string* s);"
|
|
"void run() {"
|
|
" string* s = GetStringPointer();"
|
|
" FunctionTakesStringPtr(GetStringPointer());"
|
|
" FunctionTakesStringPtr(s);"
|
|
"}",
|
|
materializeTemporaryExpr()));
|
|
|
|
EXPECT_TRUE(
|
|
matches(ClassString +
|
|
"string GetStringByValue();"
|
|
"void run() { int k = GetStringByValue().length(); }",
|
|
materializeTemporaryExpr()));
|
|
|
|
EXPECT_TRUE(
|
|
notMatches(ClassString +
|
|
"string GetStringByValue();"
|
|
"void run() { GetStringByValue(); }",
|
|
materializeTemporaryExpr()));
|
|
}
|
|
|
|
TEST(Matcher, NewExpression) {
|
|
StatementMatcher New = cxxNewExpr();
|
|
|
|
EXPECT_TRUE(matches("class X { public: X(); }; void x() { new X; }", New));
|
|
EXPECT_TRUE(
|
|
matches("class X { public: X(); }; void x() { new X(); }", New));
|
|
EXPECT_TRUE(
|
|
matches("class X { public: X(int); }; void x() { new X(0); }", New));
|
|
EXPECT_TRUE(matches("class X {}; void x(int) { new X; }", New));
|
|
}
|
|
|
|
TEST(Matcher, DeleteExpression) {
|
|
EXPECT_TRUE(matches("struct A {}; void f(A* a) { delete a; }",
|
|
cxxDeleteExpr()));
|
|
}
|
|
|
|
TEST(Matcher, DefaultArgument) {
|
|
StatementMatcher Arg = cxxDefaultArgExpr();
|
|
|
|
EXPECT_TRUE(matches("void x(int, int = 0) { int y; x(y); }", Arg));
|
|
EXPECT_TRUE(
|
|
matches("class X { void x(int, int = 0) { int y; x(y); } };", Arg));
|
|
EXPECT_TRUE(notMatches("void x(int, int = 0) { int y; x(y, 0); }", Arg));
|
|
}
|
|
|
|
TEST(Matcher, StringLiterals) {
|
|
StatementMatcher Literal = stringLiteral();
|
|
EXPECT_TRUE(matches("const char *s = \"string\";", Literal));
|
|
// wide string
|
|
EXPECT_TRUE(matches("const wchar_t *s = L\"string\";", Literal));
|
|
// with escaped characters
|
|
EXPECT_TRUE(matches("const char *s = \"\x05five\";", Literal));
|
|
// no matching -- though the data type is the same, there is no string literal
|
|
EXPECT_TRUE(notMatches("const char s[1] = {'a'};", Literal));
|
|
}
|
|
|
|
TEST(Matcher, CharacterLiterals) {
|
|
StatementMatcher CharLiteral = characterLiteral();
|
|
EXPECT_TRUE(matches("const char c = 'c';", CharLiteral));
|
|
// wide character
|
|
EXPECT_TRUE(matches("const char c = L'c';", CharLiteral));
|
|
// wide character, Hex encoded, NOT MATCHED!
|
|
EXPECT_TRUE(notMatches("const wchar_t c = 0x2126;", CharLiteral));
|
|
EXPECT_TRUE(notMatches("const char c = 0x1;", CharLiteral));
|
|
}
|
|
|
|
TEST(Matcher, IntegerLiterals) {
|
|
StatementMatcher HasIntLiteral = integerLiteral();
|
|
EXPECT_TRUE(matches("int i = 10;", HasIntLiteral));
|
|
EXPECT_TRUE(matches("int i = 0x1AB;", HasIntLiteral));
|
|
EXPECT_TRUE(matches("int i = 10L;", HasIntLiteral));
|
|
EXPECT_TRUE(matches("int i = 10U;", HasIntLiteral));
|
|
|
|
// Non-matching cases (character literals, float and double)
|
|
EXPECT_TRUE(notMatches("int i = L'a';",
|
|
HasIntLiteral)); // this is actually a character
|
|
// literal cast to int
|
|
EXPECT_TRUE(notMatches("int i = 'a';", HasIntLiteral));
|
|
EXPECT_TRUE(notMatches("int i = 1e10;", HasIntLiteral));
|
|
EXPECT_TRUE(notMatches("int i = 10.0;", HasIntLiteral));
|
|
|
|
// Negative integers.
|
|
EXPECT_TRUE(
|
|
matches("int i = -10;",
|
|
unaryOperator(hasOperatorName("-"),
|
|
hasUnaryOperand(integerLiteral(equals(10))))));
|
|
}
|
|
|
|
TEST(Matcher, FloatLiterals) {
|
|
StatementMatcher HasFloatLiteral = floatLiteral();
|
|
EXPECT_TRUE(matches("float i = 10.0;", HasFloatLiteral));
|
|
EXPECT_TRUE(matches("float i = 10.0f;", HasFloatLiteral));
|
|
EXPECT_TRUE(matches("double i = 10.0;", HasFloatLiteral));
|
|
EXPECT_TRUE(matches("double i = 10.0L;", HasFloatLiteral));
|
|
EXPECT_TRUE(matches("double i = 1e10;", HasFloatLiteral));
|
|
EXPECT_TRUE(matches("double i = 5.0;", floatLiteral(equals(5.0))));
|
|
EXPECT_TRUE(matches("double i = 5.0;", floatLiteral(equals(5.0f))));
|
|
EXPECT_TRUE(
|
|
matches("double i = 5.0;", floatLiteral(equals(llvm::APFloat(5.0)))));
|
|
|
|
EXPECT_TRUE(notMatches("float i = 10;", HasFloatLiteral));
|
|
EXPECT_TRUE(notMatches("double i = 5.0;", floatLiteral(equals(6.0))));
|
|
EXPECT_TRUE(notMatches("double i = 5.0;", floatLiteral(equals(6.0f))));
|
|
EXPECT_TRUE(
|
|
notMatches("double i = 5.0;", floatLiteral(equals(llvm::APFloat(6.0)))));
|
|
}
|
|
|
|
TEST(Matcher, NullPtrLiteral) {
|
|
EXPECT_TRUE(matches("int* i = nullptr;", cxxNullPtrLiteralExpr()));
|
|
}
|
|
|
|
TEST(Matcher, GNUNullExpr) {
|
|
EXPECT_TRUE(matches("int* i = __null;", gnuNullExpr()));
|
|
}
|
|
|
|
TEST(Matcher, AtomicExpr) {
|
|
EXPECT_TRUE(matches("void foo() { int *ptr; __atomic_load_n(ptr, 1); }",
|
|
atomicExpr()));
|
|
}
|
|
|
|
TEST(Matcher, Initializers) {
|
|
const char *ToMatch = "void foo() { struct point { double x; double y; };"
|
|
" struct point ptarray[10] = "
|
|
" { [2].y = 1.0, [2].x = 2.0, [0].x = 1.0 }; }";
|
|
EXPECT_TRUE(matchesConditionally(
|
|
ToMatch,
|
|
initListExpr(
|
|
has(
|
|
cxxConstructExpr(
|
|
requiresZeroInitialization())),
|
|
has(
|
|
initListExpr(
|
|
hasType(asString("struct point")),
|
|
has(floatLiteral(equals(1.0))),
|
|
has(implicitValueInitExpr(
|
|
hasType(asString("double")))))),
|
|
has(
|
|
initListExpr(
|
|
hasType(asString("struct point")),
|
|
has(floatLiteral(equals(2.0))),
|
|
has(floatLiteral(equals(1.0)))))
|
|
), true, "-std=gnu++98"));
|
|
|
|
EXPECT_TRUE(matchesC99(ToMatch,
|
|
initListExpr(
|
|
hasSyntacticForm(
|
|
initListExpr(
|
|
has(
|
|
designatedInitExpr(
|
|
designatorCountIs(2),
|
|
has(floatLiteral(
|
|
equals(1.0))),
|
|
has(integerLiteral(
|
|
equals(2))))),
|
|
has(
|
|
designatedInitExpr(
|
|
designatorCountIs(2),
|
|
has(floatLiteral(
|
|
equals(2.0))),
|
|
has(integerLiteral(
|
|
equals(2))))),
|
|
has(
|
|
designatedInitExpr(
|
|
designatorCountIs(2),
|
|
has(floatLiteral(
|
|
equals(1.0))),
|
|
has(integerLiteral(
|
|
equals(0)))))
|
|
)))));
|
|
}
|
|
|
|
TEST(Matcher, ParenListExpr) {
|
|
EXPECT_TRUE(
|
|
matches("template<typename T> class foo { void bar() { foo X(*this); } };"
|
|
"template class foo<int>;",
|
|
varDecl(hasInitializer(parenListExpr(has(unaryOperator()))))));
|
|
}
|
|
|
|
TEST(Matcher, StmtExpr) {
|
|
EXPECT_TRUE(matches("void declToImport() { int C = ({int X=4; X;}); }",
|
|
varDecl(hasInitializer(stmtExpr()))));
|
|
}
|
|
|
|
TEST(Matcher, ImportPredefinedExpr) {
|
|
// __func__ expands as StringLiteral("foo")
|
|
EXPECT_TRUE(matches("void foo() { __func__; }",
|
|
predefinedExpr(
|
|
hasType(asString("const char [4]")),
|
|
has(stringLiteral()))));
|
|
}
|
|
|
|
TEST(Matcher, AsmStatement) {
|
|
EXPECT_TRUE(matches("void foo() { __asm(\"mov al, 2\"); }", asmStmt()));
|
|
}
|
|
|
|
TEST(Matcher, Conditions) {
|
|
StatementMatcher Condition =
|
|
ifStmt(hasCondition(cxxBoolLiteral(equals(true))));
|
|
|
|
EXPECT_TRUE(matches("void x() { if (true) {} }", Condition));
|
|
EXPECT_TRUE(notMatches("void x() { if (false) {} }", Condition));
|
|
EXPECT_TRUE(notMatches("void x() { bool a = true; if (a) {} }", Condition));
|
|
EXPECT_TRUE(notMatches("void x() { if (true || false) {} }", Condition));
|
|
EXPECT_TRUE(notMatches("void x() { if (1) {} }", Condition));
|
|
}
|
|
|
|
TEST(Matcher, ConditionalOperator) {
|
|
StatementMatcher Conditional = conditionalOperator(
|
|
hasCondition(cxxBoolLiteral(equals(true))),
|
|
hasTrueExpression(cxxBoolLiteral(equals(false))));
|
|
|
|
EXPECT_TRUE(matches("void x() { true ? false : true; }", Conditional));
|
|
EXPECT_TRUE(notMatches("void x() { false ? false : true; }", Conditional));
|
|
EXPECT_TRUE(notMatches("void x() { true ? true : false; }", Conditional));
|
|
|
|
StatementMatcher ConditionalFalse = conditionalOperator(
|
|
hasFalseExpression(cxxBoolLiteral(equals(false))));
|
|
|
|
EXPECT_TRUE(matches("void x() { true ? true : false; }", ConditionalFalse));
|
|
EXPECT_TRUE(
|
|
notMatches("void x() { true ? false : true; }", ConditionalFalse));
|
|
|
|
EXPECT_TRUE(matches("void x() { true ? true : false; }", ConditionalFalse));
|
|
EXPECT_TRUE(
|
|
notMatches("void x() { true ? false : true; }", ConditionalFalse));
|
|
}
|
|
|
|
TEST(Matcher, BinaryConditionalOperator) {
|
|
StatementMatcher AlwaysOne = binaryConditionalOperator(
|
|
hasCondition(implicitCastExpr(
|
|
has(
|
|
opaqueValueExpr(
|
|
hasSourceExpression((integerLiteral(equals(1)))))))),
|
|
hasFalseExpression(integerLiteral(equals(0))));
|
|
|
|
EXPECT_TRUE(matches("void x() { 1 ?: 0; }", AlwaysOne));
|
|
|
|
StatementMatcher FourNotFive = binaryConditionalOperator(
|
|
hasTrueExpression(opaqueValueExpr(
|
|
hasSourceExpression((integerLiteral(equals(4)))))),
|
|
hasFalseExpression(integerLiteral(equals(5))));
|
|
|
|
EXPECT_TRUE(matches("void x() { 4 ?: 5; }", FourNotFive));
|
|
}
|
|
|
|
TEST(ArraySubscriptMatchers, ArraySubscripts) {
|
|
EXPECT_TRUE(matches("int i[2]; void f() { i[1] = 1; }",
|
|
arraySubscriptExpr()));
|
|
EXPECT_TRUE(notMatches("int i; void f() { i = 1; }",
|
|
arraySubscriptExpr()));
|
|
}
|
|
|
|
TEST(For, FindsForLoops) {
|
|
EXPECT_TRUE(matches("void f() { for(;;); }", forStmt()));
|
|
EXPECT_TRUE(matches("void f() { if(true) for(;;); }", forStmt()));
|
|
EXPECT_TRUE(notMatches("int as[] = { 1, 2, 3 };"
|
|
"void f() { for (auto &a : as); }",
|
|
forStmt()));
|
|
}
|
|
|
|
TEST(For, ReportsNoFalsePositives) {
|
|
EXPECT_TRUE(notMatches("void f() { ; }", forStmt()));
|
|
EXPECT_TRUE(notMatches("void f() { if(true); }", forStmt()));
|
|
}
|
|
|
|
TEST(CompoundStatement, HandlesSimpleCases) {
|
|
EXPECT_TRUE(notMatches("void f();", compoundStmt()));
|
|
EXPECT_TRUE(matches("void f() {}", compoundStmt()));
|
|
EXPECT_TRUE(matches("void f() {{}}", compoundStmt()));
|
|
}
|
|
|
|
TEST(CompoundStatement, DoesNotMatchEmptyStruct) {
|
|
// It's not a compound statement just because there's "{}" in the source
|
|
// text. This is an AST search, not grep.
|
|
EXPECT_TRUE(notMatches("namespace n { struct S {}; }",
|
|
compoundStmt()));
|
|
EXPECT_TRUE(matches("namespace n { struct S { void f() {{}} }; }",
|
|
compoundStmt()));
|
|
}
|
|
|
|
TEST(CastExpression, MatchesExplicitCasts) {
|
|
EXPECT_TRUE(matches("char *p = reinterpret_cast<char *>(&p);",castExpr()));
|
|
EXPECT_TRUE(matches("void *p = (void *)(&p);", castExpr()));
|
|
EXPECT_TRUE(matches("char q, *p = const_cast<char *>(&q);", castExpr()));
|
|
EXPECT_TRUE(matches("char c = char(0);", castExpr()));
|
|
}
|
|
TEST(CastExpression, MatchesImplicitCasts) {
|
|
// This test creates an implicit cast from int to char.
|
|
EXPECT_TRUE(matches("char c = 0;", castExpr()));
|
|
// This test creates an implicit cast from lvalue to rvalue.
|
|
EXPECT_TRUE(matches("char c = 0, d = c;", castExpr()));
|
|
}
|
|
|
|
TEST(CastExpression, DoesNotMatchNonCasts) {
|
|
EXPECT_TRUE(notMatches("char c = '0';", castExpr()));
|
|
EXPECT_TRUE(notMatches("char c, &q = c;", castExpr()));
|
|
EXPECT_TRUE(notMatches("int i = (0);", castExpr()));
|
|
EXPECT_TRUE(notMatches("int i = 0;", castExpr()));
|
|
}
|
|
|
|
TEST(ReinterpretCast, MatchesSimpleCase) {
|
|
EXPECT_TRUE(matches("char* p = reinterpret_cast<char*>(&p);",
|
|
cxxReinterpretCastExpr()));
|
|
}
|
|
|
|
TEST(ReinterpretCast, DoesNotMatchOtherCasts) {
|
|
EXPECT_TRUE(notMatches("char* p = (char*)(&p);", cxxReinterpretCastExpr()));
|
|
EXPECT_TRUE(notMatches("char q, *p = const_cast<char*>(&q);",
|
|
cxxReinterpretCastExpr()));
|
|
EXPECT_TRUE(notMatches("void* p = static_cast<void*>(&p);",
|
|
cxxReinterpretCastExpr()));
|
|
EXPECT_TRUE(notMatches("struct B { virtual ~B() {} }; struct D : B {};"
|
|
"B b;"
|
|
"D* p = dynamic_cast<D*>(&b);",
|
|
cxxReinterpretCastExpr()));
|
|
}
|
|
|
|
TEST(FunctionalCast, MatchesSimpleCase) {
|
|
std::string foo_class = "class Foo { public: Foo(const char*); };";
|
|
EXPECT_TRUE(matches(foo_class + "void r() { Foo f = Foo(\"hello world\"); }",
|
|
cxxFunctionalCastExpr()));
|
|
}
|
|
|
|
TEST(FunctionalCast, DoesNotMatchOtherCasts) {
|
|
std::string FooClass = "class Foo { public: Foo(const char*); };";
|
|
EXPECT_TRUE(
|
|
notMatches(FooClass + "void r() { Foo f = (Foo) \"hello world\"; }",
|
|
cxxFunctionalCastExpr()));
|
|
EXPECT_TRUE(
|
|
notMatches(FooClass + "void r() { Foo f = \"hello world\"; }",
|
|
cxxFunctionalCastExpr()));
|
|
}
|
|
|
|
TEST(DynamicCast, MatchesSimpleCase) {
|
|
EXPECT_TRUE(matches("struct B { virtual ~B() {} }; struct D : B {};"
|
|
"B b;"
|
|
"D* p = dynamic_cast<D*>(&b);",
|
|
cxxDynamicCastExpr()));
|
|
}
|
|
|
|
TEST(StaticCast, MatchesSimpleCase) {
|
|
EXPECT_TRUE(matches("void* p(static_cast<void*>(&p));",
|
|
cxxStaticCastExpr()));
|
|
}
|
|
|
|
TEST(StaticCast, DoesNotMatchOtherCasts) {
|
|
EXPECT_TRUE(notMatches("char* p = (char*)(&p);", cxxStaticCastExpr()));
|
|
EXPECT_TRUE(notMatches("char q, *p = const_cast<char*>(&q);",
|
|
cxxStaticCastExpr()));
|
|
EXPECT_TRUE(notMatches("void* p = reinterpret_cast<char*>(&p);",
|
|
cxxStaticCastExpr()));
|
|
EXPECT_TRUE(notMatches("struct B { virtual ~B() {} }; struct D : B {};"
|
|
"B b;"
|
|
"D* p = dynamic_cast<D*>(&b);",
|
|
cxxStaticCastExpr()));
|
|
}
|
|
|
|
TEST(CStyleCast, MatchesSimpleCase) {
|
|
EXPECT_TRUE(matches("int i = (int) 2.2f;", cStyleCastExpr()));
|
|
}
|
|
|
|
TEST(CStyleCast, DoesNotMatchOtherCasts) {
|
|
EXPECT_TRUE(notMatches("char* p = static_cast<char*>(0);"
|
|
"char q, *r = const_cast<char*>(&q);"
|
|
"void* s = reinterpret_cast<char*>(&s);"
|
|
"struct B { virtual ~B() {} }; struct D : B {};"
|
|
"B b;"
|
|
"D* t = dynamic_cast<D*>(&b);",
|
|
cStyleCastExpr()));
|
|
}
|
|
|
|
TEST(ImplicitCast, MatchesSimpleCase) {
|
|
// This test creates an implicit const cast.
|
|
EXPECT_TRUE(matches("int x = 0; const int y = x;",
|
|
varDecl(hasInitializer(implicitCastExpr()))));
|
|
// This test creates an implicit cast from int to char.
|
|
EXPECT_TRUE(matches("char c = 0;",
|
|
varDecl(hasInitializer(implicitCastExpr()))));
|
|
// This test creates an implicit array-to-pointer cast.
|
|
EXPECT_TRUE(matches("int arr[6]; int *p = arr;",
|
|
varDecl(hasInitializer(implicitCastExpr()))));
|
|
}
|
|
|
|
TEST(ImplicitCast, DoesNotMatchIncorrectly) {
|
|
// This test verifies that implicitCastExpr() matches exactly when implicit casts
|
|
// are present, and that it ignores explicit and paren casts.
|
|
|
|
// These two test cases have no casts.
|
|
EXPECT_TRUE(notMatches("int x = 0;",
|
|
varDecl(hasInitializer(implicitCastExpr()))));
|
|
EXPECT_TRUE(notMatches("int x = 0, &y = x;",
|
|
varDecl(hasInitializer(implicitCastExpr()))));
|
|
|
|
EXPECT_TRUE(notMatches("int x = 0; double d = (double) x;",
|
|
varDecl(hasInitializer(implicitCastExpr()))));
|
|
EXPECT_TRUE(notMatches("const int *p; int *q = const_cast<int *>(p);",
|
|
varDecl(hasInitializer(implicitCastExpr()))));
|
|
|
|
EXPECT_TRUE(notMatches("int x = (0);",
|
|
varDecl(hasInitializer(implicitCastExpr()))));
|
|
}
|
|
|
|
TEST(Statement, DoesNotMatchDeclarations) {
|
|
EXPECT_TRUE(notMatches("class X {};", stmt()));
|
|
}
|
|
|
|
TEST(Statement, MatchesCompoundStatments) {
|
|
EXPECT_TRUE(matches("void x() {}", stmt()));
|
|
}
|
|
|
|
TEST(DeclarationStatement, DoesNotMatchCompoundStatements) {
|
|
EXPECT_TRUE(notMatches("void x() {}", declStmt()));
|
|
}
|
|
|
|
TEST(DeclarationStatement, MatchesVariableDeclarationStatements) {
|
|
EXPECT_TRUE(matches("void x() { int a; }", declStmt()));
|
|
}
|
|
|
|
TEST(ExprWithCleanups, MatchesExprWithCleanups) {
|
|
EXPECT_TRUE(matches("struct Foo { ~Foo(); };"
|
|
"const Foo f = Foo();",
|
|
varDecl(hasInitializer(exprWithCleanups()))));
|
|
EXPECT_FALSE(matches("struct Foo { }; Foo a;"
|
|
"const Foo f = a;",
|
|
varDecl(hasInitializer(exprWithCleanups()))));
|
|
}
|
|
|
|
TEST(InitListExpression, MatchesInitListExpression) {
|
|
EXPECT_TRUE(matches("int a[] = { 1, 2 };",
|
|
initListExpr(hasType(asString("int [2]")))));
|
|
EXPECT_TRUE(matches("struct B { int x, y; }; B b = { 5, 6 };",
|
|
initListExpr(hasType(recordDecl(hasName("B"))))));
|
|
EXPECT_TRUE(matches("struct S { S(void (*a)()); };"
|
|
"void f();"
|
|
"S s[1] = { &f };",
|
|
declRefExpr(to(functionDecl(hasName("f"))))));
|
|
EXPECT_TRUE(
|
|
matches("int i[1] = {42, [0] = 43};", integerLiteral(equals(42))));
|
|
}
|
|
|
|
TEST(CXXStdInitializerListExpression, MatchesCXXStdInitializerListExpression) {
|
|
const std::string code = "namespace std {"
|
|
"template <typename> class initializer_list {"
|
|
" public: initializer_list() noexcept {}"
|
|
"};"
|
|
"}"
|
|
"struct A {"
|
|
" A(std::initializer_list<int>) {}"
|
|
"};";
|
|
EXPECT_TRUE(matches(code + "A a{0};",
|
|
cxxConstructExpr(has(cxxStdInitializerListExpr()),
|
|
hasDeclaration(cxxConstructorDecl(
|
|
ofClass(hasName("A")))))));
|
|
EXPECT_TRUE(matches(code + "A a = {0};",
|
|
cxxConstructExpr(has(cxxStdInitializerListExpr()),
|
|
hasDeclaration(cxxConstructorDecl(
|
|
ofClass(hasName("A")))))));
|
|
|
|
EXPECT_TRUE(notMatches("int a[] = { 1, 2 };", cxxStdInitializerListExpr()));
|
|
EXPECT_TRUE(notMatches("struct B { int x, y; }; B b = { 5, 6 };",
|
|
cxxStdInitializerListExpr()));
|
|
}
|
|
|
|
TEST(UsingDeclaration, MatchesUsingDeclarations) {
|
|
EXPECT_TRUE(matches("namespace X { int x; } using X::x;",
|
|
usingDecl()));
|
|
}
|
|
|
|
TEST(UsingDeclaration, MatchesShadowUsingDelcarations) {
|
|
EXPECT_TRUE(matches("namespace f { int a; } using f::a;",
|
|
usingDecl(hasAnyUsingShadowDecl(hasName("a")))));
|
|
}
|
|
|
|
TEST(UsingDirectiveDeclaration, MatchesUsingNamespace) {
|
|
EXPECT_TRUE(matches("namespace X { int x; } using namespace X;",
|
|
usingDirectiveDecl()));
|
|
EXPECT_FALSE(
|
|
matches("namespace X { int x; } using X::x;", usingDirectiveDecl()));
|
|
}
|
|
|
|
|
|
TEST(While, MatchesWhileLoops) {
|
|
EXPECT_TRUE(notMatches("void x() {}", whileStmt()));
|
|
EXPECT_TRUE(matches("void x() { while(true); }", whileStmt()));
|
|
EXPECT_TRUE(notMatches("void x() { do {} while(true); }", whileStmt()));
|
|
}
|
|
|
|
TEST(Do, MatchesDoLoops) {
|
|
EXPECT_TRUE(matches("void x() { do {} while(true); }", doStmt()));
|
|
EXPECT_TRUE(matches("void x() { do ; while(false); }", doStmt()));
|
|
}
|
|
|
|
TEST(Do, DoesNotMatchWhileLoops) {
|
|
EXPECT_TRUE(notMatches("void x() { while(true) {} }", doStmt()));
|
|
}
|
|
|
|
TEST(SwitchCase, MatchesCase) {
|
|
EXPECT_TRUE(matches("void x() { switch(42) { case 42:; } }", switchCase()));
|
|
EXPECT_TRUE(matches("void x() { switch(42) { default:; } }", switchCase()));
|
|
EXPECT_TRUE(matches("void x() { switch(42) default:; }", switchCase()));
|
|
EXPECT_TRUE(notMatches("void x() { switch(42) {} }", switchCase()));
|
|
}
|
|
|
|
TEST(SwitchCase, MatchesSwitch) {
|
|
EXPECT_TRUE(matches("void x() { switch(42) { case 42:; } }", switchStmt()));
|
|
EXPECT_TRUE(matches("void x() { switch(42) { default:; } }", switchStmt()));
|
|
EXPECT_TRUE(matches("void x() { switch(42) default:; }", switchStmt()));
|
|
EXPECT_TRUE(notMatches("void x() {}", switchStmt()));
|
|
}
|
|
|
|
TEST(ExceptionHandling, SimpleCases) {
|
|
EXPECT_TRUE(matches("void foo() try { } catch(int X) { }", cxxCatchStmt()));
|
|
EXPECT_TRUE(matches("void foo() try { } catch(int X) { }", cxxTryStmt()));
|
|
EXPECT_TRUE(
|
|
notMatches("void foo() try { } catch(int X) { }", cxxThrowExpr()));
|
|
EXPECT_TRUE(matches("void foo() try { throw; } catch(int X) { }",
|
|
cxxThrowExpr()));
|
|
EXPECT_TRUE(matches("void foo() try { throw 5;} catch(int X) { }",
|
|
cxxThrowExpr()));
|
|
EXPECT_TRUE(matches("void foo() try { throw; } catch(...) { }",
|
|
cxxCatchStmt(isCatchAll())));
|
|
EXPECT_TRUE(notMatches("void foo() try { throw; } catch(int) { }",
|
|
cxxCatchStmt(isCatchAll())));
|
|
EXPECT_TRUE(matches("void foo() try {} catch(int X) { }",
|
|
varDecl(isExceptionVariable())));
|
|
EXPECT_TRUE(notMatches("void foo() try { int X; } catch (...) { }",
|
|
varDecl(isExceptionVariable())));
|
|
}
|
|
|
|
TEST(ParenExpression, SimpleCases) {
|
|
EXPECT_TRUE(matches("int i = (3);", parenExpr()));
|
|
EXPECT_TRUE(matches("int i = (3 + 7);", parenExpr()));
|
|
EXPECT_TRUE(notMatches("int i = 3;", parenExpr()));
|
|
EXPECT_TRUE(notMatches("int foo() { return 1; }; int a = foo();",
|
|
parenExpr()));
|
|
}
|
|
|
|
TEST(TypeMatching, MatchesTypes) {
|
|
EXPECT_TRUE(matches("struct S {};", qualType().bind("loc")));
|
|
}
|
|
|
|
TEST(TypeMatching, MatchesConstantArrayTypes) {
|
|
EXPECT_TRUE(matches("int a[2];", constantArrayType()));
|
|
EXPECT_TRUE(notMatches(
|
|
"void f() { int a[] = { 2, 3 }; int b[a[0]]; }",
|
|
constantArrayType(hasElementType(builtinType()))));
|
|
|
|
EXPECT_TRUE(matches("int a[42];", constantArrayType(hasSize(42))));
|
|
EXPECT_TRUE(matches("int b[2*21];", constantArrayType(hasSize(42))));
|
|
EXPECT_TRUE(notMatches("int c[41], d[43];", constantArrayType(hasSize(42))));
|
|
}
|
|
|
|
TEST(TypeMatching, MatchesDependentSizedArrayTypes) {
|
|
EXPECT_TRUE(matches(
|
|
"template <typename T, int Size> class array { T data[Size]; };",
|
|
dependentSizedArrayType()));
|
|
EXPECT_TRUE(notMatches(
|
|
"int a[42]; int b[] = { 2, 3 }; void f() { int c[b[0]]; }",
|
|
dependentSizedArrayType()));
|
|
}
|
|
|
|
TEST(TypeMatching, MatchesIncompleteArrayType) {
|
|
EXPECT_TRUE(matches("int a[] = { 2, 3 };", incompleteArrayType()));
|
|
EXPECT_TRUE(matches("void f(int a[]) {}", incompleteArrayType()));
|
|
|
|
EXPECT_TRUE(notMatches("int a[42]; void f() { int b[a[0]]; }",
|
|
incompleteArrayType()));
|
|
}
|
|
|
|
TEST(TypeMatching, MatchesVariableArrayType) {
|
|
EXPECT_TRUE(matches("void f(int b) { int a[b]; }", variableArrayType()));
|
|
EXPECT_TRUE(notMatches("int a[] = {2, 3}; int b[42];", variableArrayType()));
|
|
|
|
EXPECT_TRUE(matches(
|
|
"void f(int b) { int a[b]; }",
|
|
variableArrayType(hasSizeExpr(ignoringImpCasts(declRefExpr(to(
|
|
varDecl(hasName("b")))))))));
|
|
}
|
|
|
|
|
|
TEST(TypeMatching, MatchesAtomicTypes) {
|
|
if (llvm::Triple(llvm::sys::getDefaultTargetTriple()).getOS() !=
|
|
llvm::Triple::Win32) {
|
|
// FIXME: Make this work for MSVC.
|
|
EXPECT_TRUE(matches("_Atomic(int) i;", atomicType()));
|
|
|
|
EXPECT_TRUE(matches("_Atomic(int) i;",
|
|
atomicType(hasValueType(isInteger()))));
|
|
EXPECT_TRUE(notMatches("_Atomic(float) f;",
|
|
atomicType(hasValueType(isInteger()))));
|
|
}
|
|
}
|
|
|
|
TEST(TypeMatching, MatchesAutoTypes) {
|
|
EXPECT_TRUE(matches("auto i = 2;", autoType()));
|
|
EXPECT_TRUE(matches("int v[] = { 2, 3 }; void f() { for (int i : v) {} }",
|
|
autoType()));
|
|
|
|
EXPECT_TRUE(matches("auto i = 2;", varDecl(hasType(isInteger()))));
|
|
EXPECT_TRUE(matches("struct X{}; auto x = X{};",
|
|
varDecl(hasType(recordDecl(hasName("X"))))));
|
|
|
|
// FIXME: Matching against the type-as-written can't work here, because the
|
|
// type as written was not deduced.
|
|
//EXPECT_TRUE(matches("auto a = 1;",
|
|
// autoType(hasDeducedType(isInteger()))));
|
|
//EXPECT_TRUE(notMatches("auto b = 2.0;",
|
|
// autoType(hasDeducedType(isInteger()))));
|
|
}
|
|
|
|
TEST(TypeMatching, MatchesFunctionTypes) {
|
|
EXPECT_TRUE(matches("int (*f)(int);", functionType()));
|
|
EXPECT_TRUE(matches("void f(int i) {}", functionType()));
|
|
}
|
|
|
|
TEST(TypeMatching, IgnoringParens) {
|
|
EXPECT_TRUE(
|
|
notMatches("void (*fp)(void);", pointerType(pointee(functionType()))));
|
|
EXPECT_TRUE(matches("void (*fp)(void);",
|
|
pointerType(pointee(ignoringParens(functionType())))));
|
|
}
|
|
|
|
TEST(TypeMatching, MatchesFunctionProtoTypes) {
|
|
EXPECT_TRUE(matches("int (*f)(int);", functionProtoType()));
|
|
EXPECT_TRUE(matches("void f(int i);", functionProtoType()));
|
|
EXPECT_TRUE(matches("void f();", functionProtoType(parameterCountIs(0))));
|
|
EXPECT_TRUE(notMatchesC("void f();", functionProtoType()));
|
|
EXPECT_TRUE(
|
|
matchesC("void f(void);", functionProtoType(parameterCountIs(0))));
|
|
}
|
|
|
|
TEST(TypeMatching, MatchesParenType) {
|
|
EXPECT_TRUE(
|
|
matches("int (*array)[4];", varDecl(hasType(pointsTo(parenType())))));
|
|
EXPECT_TRUE(notMatches("int *array[4];", varDecl(hasType(parenType()))));
|
|
|
|
EXPECT_TRUE(matches(
|
|
"int (*ptr_to_func)(int);",
|
|
varDecl(hasType(pointsTo(parenType(innerType(functionType())))))));
|
|
EXPECT_TRUE(notMatches(
|
|
"int (*ptr_to_array)[4];",
|
|
varDecl(hasType(pointsTo(parenType(innerType(functionType())))))));
|
|
}
|
|
|
|
TEST(TypeMatching, PointerTypes) {
|
|
// FIXME: Reactive when these tests can be more specific (not matching
|
|
// implicit code on certain platforms), likely when we have hasDescendant for
|
|
// Types/TypeLocs.
|
|
//EXPECT_TRUE(matchAndVerifyResultTrue(
|
|
// "int* a;",
|
|
// pointerTypeLoc(pointeeLoc(typeLoc().bind("loc"))),
|
|
// llvm::make_unique<VerifyIdIsBoundTo<TypeLoc>>("loc", 1)));
|
|
//EXPECT_TRUE(matchAndVerifyResultTrue(
|
|
// "int* a;",
|
|
// pointerTypeLoc().bind("loc"),
|
|
// llvm::make_unique<VerifyIdIsBoundTo<TypeLoc>>("loc", 1)));
|
|
EXPECT_TRUE(matches(
|
|
"int** a;",
|
|
loc(pointerType(pointee(qualType())))));
|
|
EXPECT_TRUE(matches(
|
|
"int** a;",
|
|
loc(pointerType(pointee(pointerType())))));
|
|
EXPECT_TRUE(matches(
|
|
"int* b; int* * const a = &b;",
|
|
loc(qualType(isConstQualified(), pointerType()))));
|
|
|
|
std::string Fragment = "struct A { int i; }; int A::* ptr = &A::i;";
|
|
EXPECT_TRUE(notMatches(Fragment, varDecl(hasName("ptr"),
|
|
hasType(blockPointerType()))));
|
|
EXPECT_TRUE(matches(Fragment, varDecl(hasName("ptr"),
|
|
hasType(memberPointerType()))));
|
|
EXPECT_TRUE(notMatches(Fragment, varDecl(hasName("ptr"),
|
|
hasType(pointerType()))));
|
|
EXPECT_TRUE(notMatches(Fragment, varDecl(hasName("ptr"),
|
|
hasType(referenceType()))));
|
|
EXPECT_TRUE(notMatches(Fragment, varDecl(hasName("ptr"),
|
|
hasType(lValueReferenceType()))));
|
|
EXPECT_TRUE(notMatches(Fragment, varDecl(hasName("ptr"),
|
|
hasType(rValueReferenceType()))));
|
|
|
|
Fragment = "int *ptr;";
|
|
EXPECT_TRUE(notMatches(Fragment, varDecl(hasName("ptr"),
|
|
hasType(blockPointerType()))));
|
|
EXPECT_TRUE(notMatches(Fragment, varDecl(hasName("ptr"),
|
|
hasType(memberPointerType()))));
|
|
EXPECT_TRUE(matches(Fragment, varDecl(hasName("ptr"),
|
|
hasType(pointerType()))));
|
|
EXPECT_TRUE(notMatches(Fragment, varDecl(hasName("ptr"),
|
|
hasType(referenceType()))));
|
|
|
|
Fragment = "int a; int &ref = a;";
|
|
EXPECT_TRUE(notMatches(Fragment, varDecl(hasName("ref"),
|
|
hasType(blockPointerType()))));
|
|
EXPECT_TRUE(notMatches(Fragment, varDecl(hasName("ref"),
|
|
hasType(memberPointerType()))));
|
|
EXPECT_TRUE(notMatches(Fragment, varDecl(hasName("ref"),
|
|
hasType(pointerType()))));
|
|
EXPECT_TRUE(matches(Fragment, varDecl(hasName("ref"),
|
|
hasType(referenceType()))));
|
|
EXPECT_TRUE(matches(Fragment, varDecl(hasName("ref"),
|
|
hasType(lValueReferenceType()))));
|
|
EXPECT_TRUE(notMatches(Fragment, varDecl(hasName("ref"),
|
|
hasType(rValueReferenceType()))));
|
|
|
|
Fragment = "int &&ref = 2;";
|
|
EXPECT_TRUE(notMatches(Fragment, varDecl(hasName("ref"),
|
|
hasType(blockPointerType()))));
|
|
EXPECT_TRUE(notMatches(Fragment, varDecl(hasName("ref"),
|
|
hasType(memberPointerType()))));
|
|
EXPECT_TRUE(notMatches(Fragment, varDecl(hasName("ref"),
|
|
hasType(pointerType()))));
|
|
EXPECT_TRUE(matches(Fragment, varDecl(hasName("ref"),
|
|
hasType(referenceType()))));
|
|
EXPECT_TRUE(notMatches(Fragment, varDecl(hasName("ref"),
|
|
hasType(lValueReferenceType()))));
|
|
EXPECT_TRUE(matches(Fragment, varDecl(hasName("ref"),
|
|
hasType(rValueReferenceType()))));
|
|
}
|
|
|
|
TEST(TypeMatching, AutoRefTypes) {
|
|
std::string Fragment = "auto a = 1;"
|
|
"auto b = a;"
|
|
"auto &c = a;"
|
|
"auto &&d = c;"
|
|
"auto &&e = 2;";
|
|
EXPECT_TRUE(notMatches(Fragment, varDecl(hasName("a"),
|
|
hasType(referenceType()))));
|
|
EXPECT_TRUE(notMatches(Fragment, varDecl(hasName("b"),
|
|
hasType(referenceType()))));
|
|
EXPECT_TRUE(matches(Fragment, varDecl(hasName("c"),
|
|
hasType(referenceType()))));
|
|
EXPECT_TRUE(matches(Fragment, varDecl(hasName("c"),
|
|
hasType(lValueReferenceType()))));
|
|
EXPECT_TRUE(notMatches(Fragment, varDecl(hasName("c"),
|
|
hasType(rValueReferenceType()))));
|
|
EXPECT_TRUE(matches(Fragment, varDecl(hasName("d"),
|
|
hasType(referenceType()))));
|
|
EXPECT_TRUE(matches(Fragment, varDecl(hasName("d"),
|
|
hasType(lValueReferenceType()))));
|
|
EXPECT_TRUE(notMatches(Fragment, varDecl(hasName("d"),
|
|
hasType(rValueReferenceType()))));
|
|
EXPECT_TRUE(matches(Fragment, varDecl(hasName("e"),
|
|
hasType(referenceType()))));
|
|
EXPECT_TRUE(notMatches(Fragment, varDecl(hasName("e"),
|
|
hasType(lValueReferenceType()))));
|
|
EXPECT_TRUE(matches(Fragment, varDecl(hasName("e"),
|
|
hasType(rValueReferenceType()))));
|
|
}
|
|
|
|
TEST(TypeMatching, MatchesEnumTypes) {
|
|
EXPECT_TRUE(matches("enum Color { Green }; Color color;",
|
|
loc(enumType())));
|
|
EXPECT_TRUE(matches("enum class Color { Green }; Color color;",
|
|
loc(enumType())));
|
|
}
|
|
|
|
TEST(TypeMatching, MatchesPointersToConstTypes) {
|
|
EXPECT_TRUE(matches("int b; int * const a = &b;",
|
|
loc(pointerType())));
|
|
EXPECT_TRUE(matches("int b; int * const a = &b;",
|
|
loc(pointerType())));
|
|
EXPECT_TRUE(matches(
|
|
"int b; const int * a = &b;",
|
|
loc(pointerType(pointee(builtinType())))));
|
|
EXPECT_TRUE(matches(
|
|
"int b; const int * a = &b;",
|
|
pointerType(pointee(builtinType()))));
|
|
}
|
|
|
|
TEST(TypeMatching, MatchesTypedefTypes) {
|
|
EXPECT_TRUE(matches("typedef int X; X a;", varDecl(hasName("a"),
|
|
hasType(typedefType()))));
|
|
}
|
|
|
|
TEST(TypeMatching, MatchesTemplateSpecializationType) {
|
|
EXPECT_TRUE(matches("template <typename T> class A{}; A<int> a;",
|
|
templateSpecializationType()));
|
|
}
|
|
|
|
TEST(TypeMatching, MatchesRecordType) {
|
|
EXPECT_TRUE(matches("class C{}; C c;", recordType()));
|
|
EXPECT_TRUE(matches("struct S{}; S s;",
|
|
recordType(hasDeclaration(recordDecl(hasName("S"))))));
|
|
EXPECT_TRUE(notMatches("int i;",
|
|
recordType(hasDeclaration(recordDecl(hasName("S"))))));
|
|
}
|
|
|
|
TEST(TypeMatching, MatchesElaboratedType) {
|
|
EXPECT_TRUE(matches(
|
|
"namespace N {"
|
|
" namespace M {"
|
|
" class D {};"
|
|
" }"
|
|
"}"
|
|
"N::M::D d;", elaboratedType()));
|
|
EXPECT_TRUE(matches("class C {} c;", elaboratedType()));
|
|
EXPECT_TRUE(notMatches("class C {}; C c;", elaboratedType()));
|
|
}
|
|
|
|
TEST(TypeMatching, MatchesSubstTemplateTypeParmType) {
|
|
const std::string code = "template <typename T>"
|
|
"int F() {"
|
|
" return 1 + T();"
|
|
"}"
|
|
"int i = F<int>();";
|
|
EXPECT_FALSE(matches(code, binaryOperator(hasLHS(
|
|
expr(hasType(substTemplateTypeParmType()))))));
|
|
EXPECT_TRUE(matches(code, binaryOperator(hasRHS(
|
|
expr(hasType(substTemplateTypeParmType()))))));
|
|
}
|
|
|
|
TEST(NNS, MatchesNestedNameSpecifiers) {
|
|
EXPECT_TRUE(matches("namespace ns { struct A {}; } ns::A a;",
|
|
nestedNameSpecifier()));
|
|
EXPECT_TRUE(matches("template <typename T> class A { typename T::B b; };",
|
|
nestedNameSpecifier()));
|
|
EXPECT_TRUE(matches("struct A { void f(); }; void A::f() {}",
|
|
nestedNameSpecifier()));
|
|
EXPECT_TRUE(matches("namespace a { namespace b {} } namespace ab = a::b;",
|
|
nestedNameSpecifier()));
|
|
|
|
EXPECT_TRUE(matches(
|
|
"struct A { static void f() {} }; void g() { A::f(); }",
|
|
nestedNameSpecifier()));
|
|
EXPECT_TRUE(notMatches(
|
|
"struct A { static void f() {} }; void g(A* a) { a->f(); }",
|
|
nestedNameSpecifier()));
|
|
}
|
|
|
|
TEST(NullStatement, SimpleCases) {
|
|
EXPECT_TRUE(matches("void f() {int i;;}", nullStmt()));
|
|
EXPECT_TRUE(notMatches("void f() {int i;}", nullStmt()));
|
|
}
|
|
|
|
TEST(NS, Alias) {
|
|
EXPECT_TRUE(matches("namespace test {} namespace alias = ::test;",
|
|
namespaceAliasDecl(hasName("alias"))));
|
|
}
|
|
|
|
TEST(NNS, MatchesTypes) {
|
|
NestedNameSpecifierMatcher Matcher = nestedNameSpecifier(
|
|
specifiesType(hasDeclaration(recordDecl(hasName("A")))));
|
|
EXPECT_TRUE(matches("struct A { struct B {}; }; A::B b;", Matcher));
|
|
EXPECT_TRUE(matches("struct A { struct B { struct C {}; }; }; A::B::C c;",
|
|
Matcher));
|
|
EXPECT_TRUE(notMatches("namespace A { struct B {}; } A::B b;", Matcher));
|
|
}
|
|
|
|
TEST(NNS, MatchesNamespaceDecls) {
|
|
NestedNameSpecifierMatcher Matcher = nestedNameSpecifier(
|
|
specifiesNamespace(hasName("ns")));
|
|
EXPECT_TRUE(matches("namespace ns { struct A {}; } ns::A a;", Matcher));
|
|
EXPECT_TRUE(notMatches("namespace xx { struct A {}; } xx::A a;", Matcher));
|
|
EXPECT_TRUE(notMatches("struct ns { struct A {}; }; ns::A a;", Matcher));
|
|
}
|
|
|
|
TEST(NNS, MatchesNestedNameSpecifierPrefixes) {
|
|
EXPECT_TRUE(matches(
|
|
"struct A { struct B { struct C {}; }; }; A::B::C c;",
|
|
nestedNameSpecifier(hasPrefix(specifiesType(asString("struct A"))))));
|
|
EXPECT_TRUE(matches(
|
|
"struct A { struct B { struct C {}; }; }; A::B::C c;",
|
|
nestedNameSpecifierLoc(hasPrefix(
|
|
specifiesTypeLoc(loc(qualType(asString("struct A"))))))));
|
|
}
|
|
|
|
|
|
template <typename T>
|
|
class VerifyAncestorHasChildIsEqual : public BoundNodesCallback {
|
|
public:
|
|
bool run(const BoundNodes *Nodes) override { return false; }
|
|
|
|
bool run(const BoundNodes *Nodes, ASTContext *Context) override {
|
|
const T *Node = Nodes->getNodeAs<T>("");
|
|
return verify(*Nodes, *Context, Node);
|
|
}
|
|
|
|
bool verify(const BoundNodes &Nodes, ASTContext &Context, const Stmt *Node) {
|
|
// Use the original typed pointer to verify we can pass pointers to subtypes
|
|
// to equalsNode.
|
|
const T *TypedNode = cast<T>(Node);
|
|
return selectFirst<T>(
|
|
"", match(stmt(hasParent(
|
|
stmt(has(stmt(equalsNode(TypedNode)))).bind(""))),
|
|
*Node, Context)) != nullptr;
|
|
}
|
|
bool verify(const BoundNodes &Nodes, ASTContext &Context, const Decl *Node) {
|
|
// Use the original typed pointer to verify we can pass pointers to subtypes
|
|
// to equalsNode.
|
|
const T *TypedNode = cast<T>(Node);
|
|
return selectFirst<T>(
|
|
"", match(decl(hasParent(
|
|
decl(has(decl(equalsNode(TypedNode)))).bind(""))),
|
|
*Node, Context)) != nullptr;
|
|
}
|
|
bool verify(const BoundNodes &Nodes, ASTContext &Context, const Type *Node) {
|
|
// Use the original typed pointer to verify we can pass pointers to subtypes
|
|
// to equalsNode.
|
|
const T *TypedNode = cast<T>(Node);
|
|
const auto *Dec = Nodes.getNodeAs<FieldDecl>("decl");
|
|
return selectFirst<T>(
|
|
"", match(fieldDecl(hasParent(decl(has(fieldDecl(
|
|
hasType(type(equalsNode(TypedNode)).bind(""))))))),
|
|
*Dec, Context)) != nullptr;
|
|
}
|
|
};
|
|
|
|
TEST(IsEqualTo, MatchesNodesByIdentity) {
|
|
EXPECT_TRUE(matchAndVerifyResultTrue(
|
|
"class X { class Y {}; };", recordDecl(hasName("::X::Y")).bind(""),
|
|
llvm::make_unique<VerifyAncestorHasChildIsEqual<CXXRecordDecl>>()));
|
|
EXPECT_TRUE(matchAndVerifyResultTrue(
|
|
"void f() { if (true) if(true) {} }", ifStmt().bind(""),
|
|
llvm::make_unique<VerifyAncestorHasChildIsEqual<IfStmt>>()));
|
|
EXPECT_TRUE(matchAndVerifyResultTrue(
|
|
"class X { class Y {} y; };",
|
|
fieldDecl(hasName("y"), hasType(type().bind(""))).bind("decl"),
|
|
llvm::make_unique<VerifyAncestorHasChildIsEqual<Type>>()));
|
|
}
|
|
|
|
TEST(TypedefDeclMatcher, Match) {
|
|
EXPECT_TRUE(matches("typedef int typedefDeclTest;",
|
|
typedefDecl(hasName("typedefDeclTest"))));
|
|
EXPECT_TRUE(notMatches("using typedefDeclTest2 = int;",
|
|
typedefDecl(hasName("typedefDeclTest2"))));
|
|
}
|
|
|
|
TEST(TypeAliasDeclMatcher, Match) {
|
|
EXPECT_TRUE(matches("using typeAliasTest2 = int;",
|
|
typeAliasDecl(hasName("typeAliasTest2"))));
|
|
EXPECT_TRUE(notMatches("typedef int typeAliasTest;",
|
|
typeAliasDecl(hasName("typeAliasTest"))));
|
|
}
|
|
|
|
TEST(TypedefNameDeclMatcher, Match) {
|
|
EXPECT_TRUE(matches("typedef int typedefNameDeclTest1;",
|
|
typedefNameDecl(hasName("typedefNameDeclTest1"))));
|
|
EXPECT_TRUE(matches("using typedefNameDeclTest2 = int;",
|
|
typedefNameDecl(hasName("typedefNameDeclTest2"))));
|
|
}
|
|
|
|
TEST(TypeAliasTemplateDeclMatcher, Match) {
|
|
std::string Code = R"(
|
|
template <typename T>
|
|
class X { T t; };
|
|
|
|
template <typename T>
|
|
using typeAliasTemplateDecl = X<T>;
|
|
|
|
using typeAliasDecl = X<int>;
|
|
)";
|
|
EXPECT_TRUE(
|
|
matches(Code, typeAliasTemplateDecl(hasName("typeAliasTemplateDecl"))));
|
|
EXPECT_TRUE(
|
|
notMatches(Code, typeAliasTemplateDecl(hasName("typeAliasDecl"))));
|
|
}
|
|
|
|
TEST(ObjCMessageExprMatcher, SimpleExprs) {
|
|
// don't find ObjCMessageExpr where none are present
|
|
EXPECT_TRUE(notMatchesObjC("", objcMessageExpr(anything())));
|
|
|
|
std::string Objc1String =
|
|
"@interface Str "
|
|
" - (Str *)uppercaseString;"
|
|
"@end "
|
|
"@interface foo "
|
|
"- (void)contents;"
|
|
"- (void)meth:(Str *)text;"
|
|
"@end "
|
|
" "
|
|
"@implementation foo "
|
|
"- (void) meth:(Str *)text { "
|
|
" [self contents];"
|
|
" Str *up = [text uppercaseString];"
|
|
"} "
|
|
"@end ";
|
|
EXPECT_TRUE(matchesObjC(
|
|
Objc1String,
|
|
objcMessageExpr(anything())));
|
|
EXPECT_TRUE(matchesObjC(Objc1String,
|
|
objcMessageExpr(hasAnySelector({
|
|
"contents", "meth:"}))
|
|
|
|
));
|
|
EXPECT_TRUE(matchesObjC(
|
|
Objc1String,
|
|
objcMessageExpr(hasSelector("contents"))));
|
|
EXPECT_TRUE(matchesObjC(
|
|
Objc1String,
|
|
objcMessageExpr(hasAnySelector("contents", "contentsA"))));
|
|
EXPECT_FALSE(matchesObjC(
|
|
Objc1String,
|
|
objcMessageExpr(hasAnySelector("contentsB", "contentsC"))));
|
|
EXPECT_TRUE(matchesObjC(
|
|
Objc1String,
|
|
objcMessageExpr(matchesSelector("cont*"))));
|
|
EXPECT_FALSE(matchesObjC(
|
|
Objc1String,
|
|
objcMessageExpr(matchesSelector("?cont*"))));
|
|
EXPECT_TRUE(notMatchesObjC(
|
|
Objc1String,
|
|
objcMessageExpr(hasSelector("contents"), hasNullSelector())));
|
|
EXPECT_TRUE(matchesObjC(
|
|
Objc1String,
|
|
objcMessageExpr(hasSelector("contents"), hasUnarySelector())));
|
|
EXPECT_TRUE(matchesObjC(
|
|
Objc1String,
|
|
objcMessageExpr(hasSelector("contents"), numSelectorArgs(0))));
|
|
EXPECT_TRUE(matchesObjC(
|
|
Objc1String,
|
|
objcMessageExpr(matchesSelector("uppercase*"),
|
|
argumentCountIs(0)
|
|
)));
|
|
}
|
|
|
|
TEST(ObjCDeclMatcher, CoreDecls) {
|
|
std::string ObjCString =
|
|
"@protocol Proto "
|
|
"- (void)protoDidThing; "
|
|
"@end "
|
|
"@interface Thing "
|
|
"@property int enabled; "
|
|
"@end "
|
|
"@interface Thing (ABC) "
|
|
"- (void)abc_doThing; "
|
|
"@end "
|
|
"@implementation Thing "
|
|
"{ id _ivar; } "
|
|
"- (void)anything {} "
|
|
"@end "
|
|
"@implementation Thing (ABC) "
|
|
"- (void)abc_doThing {} "
|
|
"@end "
|
|
;
|
|
|
|
EXPECT_TRUE(matchesObjC(
|
|
ObjCString,
|
|
objcProtocolDecl(hasName("Proto"))));
|
|
EXPECT_TRUE(matchesObjC(
|
|
ObjCString,
|
|
objcImplementationDecl(hasName("Thing"))));
|
|
EXPECT_TRUE(matchesObjC(
|
|
ObjCString,
|
|
objcCategoryDecl(hasName("ABC"))));
|
|
EXPECT_TRUE(matchesObjC(
|
|
ObjCString,
|
|
objcCategoryImplDecl(hasName("ABC"))));
|
|
EXPECT_TRUE(matchesObjC(
|
|
ObjCString,
|
|
objcMethodDecl(hasName("protoDidThing"))));
|
|
EXPECT_TRUE(matchesObjC(
|
|
ObjCString,
|
|
objcMethodDecl(hasName("abc_doThing"))));
|
|
EXPECT_TRUE(matchesObjC(
|
|
ObjCString,
|
|
objcMethodDecl(hasName("anything"))));
|
|
EXPECT_TRUE(matchesObjC(
|
|
ObjCString,
|
|
objcIvarDecl(hasName("_ivar"))));
|
|
EXPECT_TRUE(matchesObjC(
|
|
ObjCString,
|
|
objcPropertyDecl(hasName("enabled"))));
|
|
}
|
|
|
|
TEST(ObjCStmtMatcher, ExceptionStmts) {
|
|
std::string ObjCString =
|
|
"void f(id obj) {"
|
|
" @try {"
|
|
" @throw obj;"
|
|
" } @catch (...) {"
|
|
" } @finally {}"
|
|
"}";
|
|
|
|
EXPECT_TRUE(matchesObjC(
|
|
ObjCString,
|
|
objcTryStmt()));
|
|
EXPECT_TRUE(matchesObjC(
|
|
ObjCString,
|
|
objcThrowStmt()));
|
|
EXPECT_TRUE(matchesObjC(
|
|
ObjCString,
|
|
objcCatchStmt()));
|
|
EXPECT_TRUE(matchesObjC(
|
|
ObjCString,
|
|
objcFinallyStmt()));
|
|
}
|
|
|
|
} // namespace ast_matchers
|
|
} // namespace clang
|