forked from OSchip/llvm-project
335 lines
12 KiB
C++
335 lines
12 KiB
C++
//===- unittest/ASTMatchers/Dynamic/RegistryTest.cpp - Registry unit tests -===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===-----------------------------------------------------------------------===//
|
|
|
|
#include <vector>
|
|
|
|
#include "../ASTMatchersTest.h"
|
|
#include "clang/ASTMatchers/Dynamic/Registry.h"
|
|
#include "gtest/gtest.h"
|
|
|
|
namespace clang {
|
|
namespace ast_matchers {
|
|
namespace dynamic {
|
|
namespace {
|
|
|
|
using ast_matchers::internal::Matcher;
|
|
|
|
class RegistryTest : public ::testing::Test {
|
|
public:
|
|
std::vector<ParserValue> Args() { return std::vector<ParserValue>(); }
|
|
std::vector<ParserValue> Args(const VariantValue &Arg1) {
|
|
std::vector<ParserValue> Out(1);
|
|
Out[0].Value = Arg1;
|
|
return Out;
|
|
}
|
|
std::vector<ParserValue> Args(const VariantValue &Arg1,
|
|
const VariantValue &Arg2) {
|
|
std::vector<ParserValue> Out(2);
|
|
Out[0].Value = Arg1;
|
|
Out[1].Value = Arg2;
|
|
return Out;
|
|
}
|
|
|
|
VariantMatcher constructMatcher(StringRef MatcherName,
|
|
Diagnostics *Error = NULL) {
|
|
Diagnostics DummyError;
|
|
if (!Error) Error = &DummyError;
|
|
const VariantMatcher Out =
|
|
Registry::constructMatcher(MatcherName, SourceRange(), Args(), Error);
|
|
EXPECT_EQ("", DummyError.toStringFull());
|
|
return Out;
|
|
}
|
|
|
|
VariantMatcher constructMatcher(StringRef MatcherName,
|
|
const VariantValue &Arg1,
|
|
Diagnostics *Error = NULL) {
|
|
Diagnostics DummyError;
|
|
if (!Error) Error = &DummyError;
|
|
const VariantMatcher Out = Registry::constructMatcher(
|
|
MatcherName, SourceRange(), Args(Arg1), Error);
|
|
EXPECT_EQ("", DummyError.toStringFull());
|
|
return Out;
|
|
}
|
|
|
|
VariantMatcher constructMatcher(StringRef MatcherName,
|
|
const VariantValue &Arg1,
|
|
const VariantValue &Arg2,
|
|
Diagnostics *Error = NULL) {
|
|
Diagnostics DummyError;
|
|
if (!Error) Error = &DummyError;
|
|
const VariantMatcher Out = Registry::constructMatcher(
|
|
MatcherName, SourceRange(), Args(Arg1, Arg2), Error);
|
|
EXPECT_EQ("", DummyError.toStringFull());
|
|
return Out;
|
|
}
|
|
};
|
|
|
|
TEST_F(RegistryTest, CanConstructNoArgs) {
|
|
Matcher<Stmt> IsArrowValue = constructMatcher(
|
|
"memberExpr", constructMatcher("isArrow")).getTypedMatcher<Stmt>();
|
|
Matcher<Stmt> BoolValue =
|
|
constructMatcher("boolLiteral").getTypedMatcher<Stmt>();
|
|
|
|
const std::string ClassSnippet = "struct Foo { int x; };\n"
|
|
"Foo *foo = new Foo;\n"
|
|
"int i = foo->x;\n";
|
|
const std::string BoolSnippet = "bool Foo = true;\n";
|
|
|
|
EXPECT_TRUE(matches(ClassSnippet, IsArrowValue));
|
|
EXPECT_TRUE(matches(BoolSnippet, BoolValue));
|
|
EXPECT_FALSE(matches(ClassSnippet, BoolValue));
|
|
EXPECT_FALSE(matches(BoolSnippet, IsArrowValue));
|
|
}
|
|
|
|
TEST_F(RegistryTest, ConstructWithSimpleArgs) {
|
|
Matcher<Decl> Value = constructMatcher(
|
|
"namedDecl", constructMatcher("hasName", std::string("X")))
|
|
.getTypedMatcher<Decl>();
|
|
EXPECT_TRUE(matches("class X {};", Value));
|
|
EXPECT_FALSE(matches("int x;", Value));
|
|
|
|
Value = functionDecl(constructMatcher("parameterCountIs", 2)
|
|
.getTypedMatcher<FunctionDecl>());
|
|
EXPECT_TRUE(matches("void foo(int,int);", Value));
|
|
EXPECT_FALSE(matches("void foo(int);", Value));
|
|
}
|
|
|
|
TEST_F(RegistryTest, ConstructWithMatcherArgs) {
|
|
Matcher<Decl> HasInitializerSimple = constructMatcher(
|
|
"varDecl", constructMatcher("hasInitializer", constructMatcher("stmt")))
|
|
.getTypedMatcher<Decl>();
|
|
Matcher<Decl> HasInitializerComplex = constructMatcher(
|
|
"varDecl",
|
|
constructMatcher("hasInitializer", constructMatcher("callExpr")))
|
|
.getTypedMatcher<Decl>();
|
|
|
|
std::string code = "int i;";
|
|
EXPECT_FALSE(matches(code, HasInitializerSimple));
|
|
EXPECT_FALSE(matches(code, HasInitializerComplex));
|
|
|
|
code = "int i = 1;";
|
|
EXPECT_TRUE(matches(code, HasInitializerSimple));
|
|
EXPECT_FALSE(matches(code, HasInitializerComplex));
|
|
|
|
code = "int y(); int i = y();";
|
|
EXPECT_TRUE(matches(code, HasInitializerSimple));
|
|
EXPECT_TRUE(matches(code, HasInitializerComplex));
|
|
|
|
Matcher<Decl> HasParameter =
|
|
functionDecl(constructMatcher(
|
|
"hasParameter", 1, constructMatcher("hasName", std::string("x")))
|
|
.getTypedMatcher<FunctionDecl>());
|
|
EXPECT_TRUE(matches("void f(int a, int x);", HasParameter));
|
|
EXPECT_FALSE(matches("void f(int x, int a);", HasParameter));
|
|
}
|
|
|
|
TEST_F(RegistryTest, OverloadedMatchers) {
|
|
Matcher<Stmt> CallExpr0 = constructMatcher(
|
|
"callExpr",
|
|
constructMatcher("callee", constructMatcher("memberExpr",
|
|
constructMatcher("isArrow"))))
|
|
.getTypedMatcher<Stmt>();
|
|
|
|
Matcher<Stmt> CallExpr1 = constructMatcher(
|
|
"callExpr",
|
|
constructMatcher(
|
|
"callee",
|
|
constructMatcher("methodDecl",
|
|
constructMatcher("hasName", std::string("x")))))
|
|
.getTypedMatcher<Stmt>();
|
|
|
|
std::string Code = "class Y { public: void x(); }; void z() { Y y; y.x(); }";
|
|
EXPECT_FALSE(matches(Code, CallExpr0));
|
|
EXPECT_TRUE(matches(Code, CallExpr1));
|
|
|
|
Code = "class Z { public: void z() { this->z(); } };";
|
|
EXPECT_TRUE(matches(Code, CallExpr0));
|
|
EXPECT_FALSE(matches(Code, CallExpr1));
|
|
}
|
|
|
|
TEST_F(RegistryTest, PolymorphicMatchers) {
|
|
const VariantMatcher IsDefinition = constructMatcher("isDefinition");
|
|
Matcher<Decl> Var =
|
|
constructMatcher("varDecl", IsDefinition).getTypedMatcher<Decl>();
|
|
Matcher<Decl> Class =
|
|
constructMatcher("recordDecl", IsDefinition).getTypedMatcher<Decl>();
|
|
Matcher<Decl> Func =
|
|
constructMatcher("functionDecl", IsDefinition).getTypedMatcher<Decl>();
|
|
EXPECT_TRUE(matches("int a;", Var));
|
|
EXPECT_FALSE(matches("extern int a;", Var));
|
|
EXPECT_TRUE(matches("class A {};", Class));
|
|
EXPECT_FALSE(matches("class A;", Class));
|
|
EXPECT_TRUE(matches("void f(){};", Func));
|
|
EXPECT_FALSE(matches("void f();", Func));
|
|
|
|
Matcher<Decl> Anything = constructMatcher("anything").getTypedMatcher<Decl>();
|
|
Matcher<Decl> RecordDecl = constructMatcher(
|
|
"recordDecl", constructMatcher("hasName", std::string("Foo")),
|
|
VariantMatcher::SingleMatcher(Anything)).getTypedMatcher<Decl>();
|
|
|
|
EXPECT_TRUE(matches("int Foo;", Anything));
|
|
EXPECT_TRUE(matches("class Foo {};", Anything));
|
|
EXPECT_TRUE(matches("void Foo(){};", Anything));
|
|
EXPECT_FALSE(matches("int Foo;", RecordDecl));
|
|
EXPECT_TRUE(matches("class Foo {};", RecordDecl));
|
|
EXPECT_FALSE(matches("void Foo(){};", RecordDecl));
|
|
}
|
|
|
|
TEST_F(RegistryTest, TemplateArgument) {
|
|
Matcher<Decl> HasTemplateArgument = constructMatcher(
|
|
"classTemplateSpecializationDecl",
|
|
constructMatcher(
|
|
"hasAnyTemplateArgument",
|
|
constructMatcher("refersToType",
|
|
constructMatcher("asString", std::string("int")))))
|
|
.getTypedMatcher<Decl>();
|
|
EXPECT_TRUE(matches("template<typename T> class A {}; A<int> a;",
|
|
HasTemplateArgument));
|
|
EXPECT_FALSE(matches("template<typename T> class A {}; A<char> a;",
|
|
HasTemplateArgument));
|
|
}
|
|
|
|
TEST_F(RegistryTest, TypeTraversal) {
|
|
Matcher<Type> M = constructMatcher(
|
|
"pointerType",
|
|
constructMatcher("pointee", constructMatcher("isConstQualified"),
|
|
constructMatcher("isInteger"))).getTypedMatcher<Type>();
|
|
EXPECT_FALSE(matches("int *a;", M));
|
|
EXPECT_TRUE(matches("int const *b;", M));
|
|
|
|
M = constructMatcher(
|
|
"arrayType",
|
|
constructMatcher("hasElementType", constructMatcher("builtinType")))
|
|
.getTypedMatcher<Type>();
|
|
EXPECT_FALSE(matches("struct A{}; A a[7];;", M));
|
|
EXPECT_TRUE(matches("int b[7];", M));
|
|
}
|
|
|
|
TEST_F(RegistryTest, CXXCtorInitializer) {
|
|
Matcher<Decl> CtorDecl = constructMatcher(
|
|
"constructorDecl",
|
|
constructMatcher(
|
|
"hasAnyConstructorInitializer",
|
|
constructMatcher("forField",
|
|
constructMatcher("hasName", std::string("foo")))))
|
|
.getTypedMatcher<Decl>();
|
|
EXPECT_TRUE(matches("struct Foo { Foo() : foo(1) {} int foo; };", CtorDecl));
|
|
EXPECT_FALSE(matches("struct Foo { Foo() {} int foo; };", CtorDecl));
|
|
EXPECT_FALSE(matches("struct Foo { Foo() : bar(1) {} int bar; };", CtorDecl));
|
|
}
|
|
|
|
TEST_F(RegistryTest, Adaptative) {
|
|
Matcher<Decl> D = constructMatcher(
|
|
"recordDecl",
|
|
constructMatcher(
|
|
"has",
|
|
constructMatcher("recordDecl",
|
|
constructMatcher("hasName", std::string("X")))))
|
|
.getTypedMatcher<Decl>();
|
|
EXPECT_TRUE(matches("class X {};", D));
|
|
EXPECT_TRUE(matches("class Y { class X {}; };", D));
|
|
EXPECT_FALSE(matches("class Y { class Z {}; };", D));
|
|
|
|
Matcher<Stmt> S = constructMatcher(
|
|
"forStmt",
|
|
constructMatcher(
|
|
"hasDescendant",
|
|
constructMatcher("varDecl",
|
|
constructMatcher("hasName", std::string("X")))))
|
|
.getTypedMatcher<Stmt>();
|
|
EXPECT_TRUE(matches("void foo() { for(int X;;); }", S));
|
|
EXPECT_TRUE(matches("void foo() { for(;;) { int X; } }", S));
|
|
EXPECT_FALSE(matches("void foo() { for(;;); }", S));
|
|
EXPECT_FALSE(matches("void foo() { if (int X = 0){} }", S));
|
|
|
|
S = constructMatcher(
|
|
"compoundStmt", constructMatcher("hasParent", constructMatcher("ifStmt")))
|
|
.getTypedMatcher<Stmt>();
|
|
EXPECT_TRUE(matches("void foo() { if (true) { int x = 42; } }", S));
|
|
EXPECT_FALSE(matches("void foo() { if (true) return; }", S));
|
|
}
|
|
|
|
TEST_F(RegistryTest, VariadicOp) {
|
|
Matcher<Decl> D = constructMatcher(
|
|
"anyOf",
|
|
constructMatcher("recordDecl",
|
|
constructMatcher("hasName", std::string("Foo"))),
|
|
constructMatcher("namedDecl",
|
|
constructMatcher("hasName", std::string("foo"))))
|
|
.getTypedMatcher<Decl>();
|
|
|
|
EXPECT_TRUE(matches("void foo(){}", D));
|
|
EXPECT_TRUE(matches("struct Foo{};", D));
|
|
EXPECT_FALSE(matches("int i = 0;", D));
|
|
|
|
D = constructMatcher(
|
|
"allOf", constructMatcher("recordDecl"),
|
|
constructMatcher(
|
|
"namedDecl",
|
|
constructMatcher("anyOf",
|
|
constructMatcher("hasName", std::string("Foo")),
|
|
constructMatcher("hasName", std::string("Bar")))))
|
|
.getTypedMatcher<Decl>();
|
|
|
|
EXPECT_FALSE(matches("void foo(){}", D));
|
|
EXPECT_TRUE(matches("struct Foo{};", D));
|
|
EXPECT_FALSE(matches("int i = 0;", D));
|
|
EXPECT_TRUE(matches("class Bar{};", D));
|
|
EXPECT_FALSE(matches("class OtherBar{};", D));
|
|
}
|
|
|
|
TEST_F(RegistryTest, Errors) {
|
|
// Incorrect argument count.
|
|
OwningPtr<Diagnostics> Error(new Diagnostics());
|
|
EXPECT_TRUE(constructMatcher("hasInitializer", Error.get()).isNull());
|
|
EXPECT_EQ("Incorrect argument count. (Expected = 1) != (Actual = 0)",
|
|
Error->toString());
|
|
Error.reset(new Diagnostics());
|
|
EXPECT_TRUE(constructMatcher("isArrow", std::string(), Error.get()).isNull());
|
|
EXPECT_EQ("Incorrect argument count. (Expected = 0) != (Actual = 1)",
|
|
Error->toString());
|
|
|
|
// Bad argument type
|
|
Error.reset(new Diagnostics());
|
|
EXPECT_TRUE(constructMatcher("ofClass", std::string(), Error.get()).isNull());
|
|
EXPECT_EQ("Incorrect type for arg 1. (Expected = Matcher<CXXRecordDecl>) != "
|
|
"(Actual = String)",
|
|
Error->toString());
|
|
Error.reset(new Diagnostics());
|
|
EXPECT_TRUE(constructMatcher("recordDecl", constructMatcher("recordDecl"),
|
|
constructMatcher("parameterCountIs", 3),
|
|
Error.get()).isNull());
|
|
EXPECT_EQ("Incorrect type for arg 2. (Expected = Matcher<CXXRecordDecl>) != "
|
|
"(Actual = Matcher<FunctionDecl>)",
|
|
Error->toString());
|
|
|
|
// Bad argument type with variadic.
|
|
Error.reset(new Diagnostics());
|
|
EXPECT_TRUE(constructMatcher("anyOf", std::string(), Error.get()).isNull());
|
|
EXPECT_EQ(
|
|
"Incorrect type for arg 1. (Expected = Matcher<>) != (Actual = String)",
|
|
Error->toString());
|
|
Error.reset(new Diagnostics());
|
|
EXPECT_TRUE(constructMatcher(
|
|
"recordDecl",
|
|
constructMatcher("allOf",
|
|
constructMatcher("isDerivedFrom", std::string("FOO")),
|
|
constructMatcher("isArrow")),
|
|
Error.get()).isNull());
|
|
EXPECT_EQ("Incorrect type for arg 1. "
|
|
"(Expected = Matcher<CXXRecordDecl>) != "
|
|
"(Actual = Matcher<CXXRecordDecl>&Matcher<MemberExpr>)",
|
|
Error->toString());
|
|
}
|
|
|
|
} // end anonymous namespace
|
|
} // end namespace dynamic
|
|
} // end namespace ast_matchers
|
|
} // end namespace clang
|