561 lines
21 KiB
C++
561 lines
21 KiB
C++
//===- unittest/ASTMatchers/Dynamic/RegistryTest.cpp - Registry unit tests -===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===-----------------------------------------------------------------------===//
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#include "../ASTMatchersTest.h"
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#include "clang/ASTMatchers/Dynamic/Registry.h"
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#include "gtest/gtest.h"
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#include <vector>
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namespace clang {
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namespace ast_matchers {
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namespace dynamic {
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namespace {
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using ast_matchers::internal::Matcher;
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class RegistryTest : public ::testing::Test {
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public:
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std::vector<ParserValue> Args() { return std::vector<ParserValue>(); }
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std::vector<ParserValue> Args(const VariantValue &Arg1) {
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std::vector<ParserValue> Out(1);
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Out[0].Value = Arg1;
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return Out;
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}
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std::vector<ParserValue> Args(const VariantValue &Arg1,
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const VariantValue &Arg2) {
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std::vector<ParserValue> Out(2);
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Out[0].Value = Arg1;
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Out[1].Value = Arg2;
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return Out;
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}
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llvm::Optional<MatcherCtor> lookupMatcherCtor(StringRef MatcherName) {
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return Registry::lookupMatcherCtor(MatcherName);
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}
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VariantMatcher constructMatcher(StringRef MatcherName,
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Diagnostics *Error = nullptr) {
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Diagnostics DummyError;
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if (!Error) Error = &DummyError;
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llvm::Optional<MatcherCtor> Ctor = lookupMatcherCtor(MatcherName);
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VariantMatcher Out;
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if (Ctor)
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Out = Registry::constructMatcher(*Ctor, SourceRange(), Args(), Error);
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EXPECT_EQ("", DummyError.toStringFull());
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return Out;
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}
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VariantMatcher constructMatcher(StringRef MatcherName,
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const VariantValue &Arg1,
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Diagnostics *Error = nullptr) {
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Diagnostics DummyError;
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if (!Error) Error = &DummyError;
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llvm::Optional<MatcherCtor> Ctor = lookupMatcherCtor(MatcherName);
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VariantMatcher Out;
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if (Ctor)
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Out = Registry::constructMatcher(*Ctor, SourceRange(), Args(Arg1), Error);
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EXPECT_EQ("", DummyError.toStringFull()) << MatcherName;
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return Out;
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}
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VariantMatcher constructMatcher(StringRef MatcherName,
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const VariantValue &Arg1,
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const VariantValue &Arg2,
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Diagnostics *Error = nullptr) {
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Diagnostics DummyError;
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if (!Error) Error = &DummyError;
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llvm::Optional<MatcherCtor> Ctor = lookupMatcherCtor(MatcherName);
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VariantMatcher Out;
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if (Ctor)
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Out = Registry::constructMatcher(*Ctor, SourceRange(), Args(Arg1, Arg2),
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Error);
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EXPECT_EQ("", DummyError.toStringFull());
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return Out;
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}
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typedef std::vector<MatcherCompletion> CompVector;
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CompVector getCompletions() {
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std::vector<std::pair<MatcherCtor, unsigned> > Context;
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return Registry::getMatcherCompletions(
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Registry::getAcceptedCompletionTypes(Context));
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}
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CompVector getCompletions(StringRef MatcherName1, unsigned ArgNo1) {
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std::vector<std::pair<MatcherCtor, unsigned> > Context;
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llvm::Optional<MatcherCtor> Ctor = lookupMatcherCtor(MatcherName1);
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if (!Ctor)
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return CompVector();
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Context.push_back(std::make_pair(*Ctor, ArgNo1));
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return Registry::getMatcherCompletions(
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Registry::getAcceptedCompletionTypes(Context));
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}
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CompVector getCompletions(StringRef MatcherName1, unsigned ArgNo1,
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StringRef MatcherName2, unsigned ArgNo2) {
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std::vector<std::pair<MatcherCtor, unsigned> > Context;
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llvm::Optional<MatcherCtor> Ctor = lookupMatcherCtor(MatcherName1);
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if (!Ctor)
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return CompVector();
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Context.push_back(std::make_pair(*Ctor, ArgNo1));
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Ctor = lookupMatcherCtor(MatcherName2);
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if (!Ctor)
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return CompVector();
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Context.push_back(std::make_pair(*Ctor, ArgNo2));
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return Registry::getMatcherCompletions(
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Registry::getAcceptedCompletionTypes(Context));
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}
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bool hasCompletion(const CompVector &Comps, StringRef TypedText,
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StringRef MatcherDecl = StringRef()) {
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for (CompVector::const_iterator I = Comps.begin(), E = Comps.end(); I != E;
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++I) {
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if (I->TypedText == TypedText &&
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(MatcherDecl.empty() || I->MatcherDecl == MatcherDecl)) {
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return true;
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}
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}
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return false;
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}
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};
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TEST_F(RegistryTest, CanConstructNoArgs) {
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Matcher<Stmt> IsArrowValue = constructMatcher(
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"memberExpr", constructMatcher("isArrow")).getTypedMatcher<Stmt>();
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Matcher<Stmt> BoolValue =
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constructMatcher("cxxBoolLiteral").getTypedMatcher<Stmt>();
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const std::string ClassSnippet = "struct Foo { int x; };\n"
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"Foo *foo = new Foo;\n"
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"int i = foo->x;\n";
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const std::string BoolSnippet = "bool Foo = true;\n";
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EXPECT_TRUE(matches(ClassSnippet, IsArrowValue));
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EXPECT_TRUE(matches(BoolSnippet, BoolValue));
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EXPECT_FALSE(matches(ClassSnippet, BoolValue));
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EXPECT_FALSE(matches(BoolSnippet, IsArrowValue));
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}
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TEST_F(RegistryTest, ConstructWithSimpleArgs) {
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Matcher<Decl> Value = constructMatcher(
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"namedDecl", constructMatcher("hasName", StringRef("X")))
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.getTypedMatcher<Decl>();
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EXPECT_TRUE(matches("class X {};", Value));
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EXPECT_FALSE(matches("int x;", Value));
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Value = functionDecl(constructMatcher("parameterCountIs", 2)
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.getTypedMatcher<FunctionDecl>());
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EXPECT_TRUE(matches("void foo(int,int);", Value));
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EXPECT_FALSE(matches("void foo(int);", Value));
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}
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TEST_F(RegistryTest, ConstructWithMatcherArgs) {
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Matcher<Decl> HasInitializerSimple = constructMatcher(
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"varDecl", constructMatcher("hasInitializer", constructMatcher("stmt")))
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.getTypedMatcher<Decl>();
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Matcher<Decl> HasInitializerComplex = constructMatcher(
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"varDecl",
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constructMatcher("hasInitializer", constructMatcher("callExpr")))
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.getTypedMatcher<Decl>();
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std::string code = "int i;";
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EXPECT_FALSE(matches(code, HasInitializerSimple));
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EXPECT_FALSE(matches(code, HasInitializerComplex));
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code = "int i = 1;";
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EXPECT_TRUE(matches(code, HasInitializerSimple));
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EXPECT_FALSE(matches(code, HasInitializerComplex));
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code = "int y(); int i = y();";
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EXPECT_TRUE(matches(code, HasInitializerSimple));
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EXPECT_TRUE(matches(code, HasInitializerComplex));
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Matcher<Decl> HasParameter =
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functionDecl(constructMatcher(
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"hasParameter", 1, constructMatcher("hasName", StringRef("x")))
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.getTypedMatcher<FunctionDecl>());
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EXPECT_TRUE(matches("void f(int a, int x);", HasParameter));
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EXPECT_FALSE(matches("void f(int x, int a);", HasParameter));
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}
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TEST_F(RegistryTest, OverloadedMatchers) {
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Matcher<Stmt> CallExpr0 = constructMatcher(
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"callExpr",
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constructMatcher("callee", constructMatcher("memberExpr",
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constructMatcher("isArrow"))))
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.getTypedMatcher<Stmt>();
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Matcher<Stmt> CallExpr1 = constructMatcher(
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"callExpr",
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constructMatcher(
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"callee",
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constructMatcher("cxxMethodDecl",
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constructMatcher("hasName", StringRef("x")))))
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.getTypedMatcher<Stmt>();
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std::string Code = "class Y { public: void x(); }; void z() { Y y; y.x(); }";
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EXPECT_FALSE(matches(Code, CallExpr0));
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EXPECT_TRUE(matches(Code, CallExpr1));
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Code = "class Z { public: void z() { this->z(); } };";
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EXPECT_TRUE(matches(Code, CallExpr0));
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EXPECT_FALSE(matches(Code, CallExpr1));
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Matcher<Decl> DeclDecl = declaratorDecl(hasTypeLoc(
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constructMatcher(
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"loc", constructMatcher("asString", StringRef("const double *")))
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.getTypedMatcher<TypeLoc>()));
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Matcher<NestedNameSpecifierLoc> NNSL =
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constructMatcher(
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"loc", VariantMatcher::SingleMatcher(nestedNameSpecifier(
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specifiesType(hasDeclaration(recordDecl(hasName("A")))))))
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.getTypedMatcher<NestedNameSpecifierLoc>();
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Code = "const double * x = 0;";
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EXPECT_TRUE(matches(Code, DeclDecl));
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EXPECT_FALSE(matches(Code, NNSL));
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Code = "struct A { struct B {}; }; A::B a_b;";
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EXPECT_FALSE(matches(Code, DeclDecl));
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EXPECT_TRUE(matches(Code, NNSL));
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}
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TEST_F(RegistryTest, PolymorphicMatchers) {
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const VariantMatcher IsDefinition = constructMatcher("isDefinition");
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Matcher<Decl> Var =
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constructMatcher("varDecl", IsDefinition).getTypedMatcher<Decl>();
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Matcher<Decl> Class =
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constructMatcher("recordDecl", IsDefinition).getTypedMatcher<Decl>();
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Matcher<Decl> Func =
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constructMatcher("functionDecl", IsDefinition).getTypedMatcher<Decl>();
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EXPECT_TRUE(matches("int a;", Var));
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EXPECT_FALSE(matches("extern int a;", Var));
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EXPECT_TRUE(matches("class A {};", Class));
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EXPECT_FALSE(matches("class A;", Class));
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EXPECT_TRUE(matches("void f(){};", Func));
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EXPECT_FALSE(matches("void f();", Func));
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Matcher<Decl> Anything = constructMatcher("anything").getTypedMatcher<Decl>();
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Matcher<Decl> RecordDecl = constructMatcher(
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"recordDecl", constructMatcher("hasName", StringRef("Foo")),
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VariantMatcher::SingleMatcher(Anything)).getTypedMatcher<Decl>();
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EXPECT_TRUE(matches("int Foo;", Anything));
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EXPECT_TRUE(matches("class Foo {};", Anything));
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EXPECT_TRUE(matches("void Foo(){};", Anything));
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EXPECT_FALSE(matches("int Foo;", RecordDecl));
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EXPECT_TRUE(matches("class Foo {};", RecordDecl));
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EXPECT_FALSE(matches("void Foo(){};", RecordDecl));
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Matcher<Stmt> ConstructExpr = constructMatcher(
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"cxxConstructExpr",
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constructMatcher(
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"hasDeclaration",
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constructMatcher(
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"cxxMethodDecl",
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constructMatcher(
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"ofClass", constructMatcher("hasName", StringRef("Foo"))))))
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.getTypedMatcher<Stmt>();
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EXPECT_FALSE(matches("class Foo { public: Foo(); };", ConstructExpr));
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EXPECT_TRUE(
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matches("class Foo { public: Foo(); }; Foo foo = Foo();", ConstructExpr));
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}
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TEST_F(RegistryTest, TemplateArgument) {
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Matcher<Decl> HasTemplateArgument = constructMatcher(
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"classTemplateSpecializationDecl",
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constructMatcher(
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"hasAnyTemplateArgument",
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constructMatcher("refersToType",
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constructMatcher("asString", StringRef("int")))))
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.getTypedMatcher<Decl>();
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EXPECT_TRUE(matches("template<typename T> class A {}; A<int> a;",
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HasTemplateArgument));
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EXPECT_FALSE(matches("template<typename T> class A {}; A<char> a;",
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HasTemplateArgument));
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}
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TEST_F(RegistryTest, TypeTraversal) {
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Matcher<Type> M = constructMatcher(
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"pointerType",
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constructMatcher("pointee", constructMatcher("isConstQualified"),
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constructMatcher("isInteger"))).getTypedMatcher<Type>();
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EXPECT_FALSE(matches("int *a;", M));
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EXPECT_TRUE(matches("int const *b;", M));
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M = constructMatcher(
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"arrayType",
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constructMatcher("hasElementType", constructMatcher("builtinType")))
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.getTypedMatcher<Type>();
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EXPECT_FALSE(matches("struct A{}; A a[7];;", M));
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EXPECT_TRUE(matches("int b[7];", M));
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}
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TEST_F(RegistryTest, CXXCtorInitializer) {
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Matcher<Decl> CtorDecl = constructMatcher(
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"cxxConstructorDecl",
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constructMatcher(
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"hasAnyConstructorInitializer",
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constructMatcher("forField",
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constructMatcher("hasName", StringRef("foo")))))
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.getTypedMatcher<Decl>();
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EXPECT_TRUE(matches("struct Foo { Foo() : foo(1) {} int foo; };", CtorDecl));
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EXPECT_FALSE(matches("struct Foo { Foo() {} int foo; };", CtorDecl));
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EXPECT_FALSE(matches("struct Foo { Foo() : bar(1) {} int bar; };", CtorDecl));
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}
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TEST_F(RegistryTest, Adaptative) {
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Matcher<Decl> D = constructMatcher(
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"recordDecl",
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constructMatcher(
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"has",
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constructMatcher("recordDecl",
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constructMatcher("hasName", StringRef("X")))))
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.getTypedMatcher<Decl>();
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EXPECT_TRUE(matches("class X {};", D));
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EXPECT_TRUE(matches("class Y { class X {}; };", D));
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EXPECT_FALSE(matches("class Y { class Z {}; };", D));
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Matcher<Stmt> S = constructMatcher(
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"forStmt",
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constructMatcher(
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"hasDescendant",
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constructMatcher("varDecl",
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constructMatcher("hasName", StringRef("X")))))
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.getTypedMatcher<Stmt>();
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EXPECT_TRUE(matches("void foo() { for(int X;;); }", S));
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EXPECT_TRUE(matches("void foo() { for(;;) { int X; } }", S));
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EXPECT_FALSE(matches("void foo() { for(;;); }", S));
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EXPECT_FALSE(matches("void foo() { if (int X = 0){} }", S));
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S = constructMatcher(
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"compoundStmt", constructMatcher("hasParent", constructMatcher("ifStmt")))
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.getTypedMatcher<Stmt>();
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EXPECT_TRUE(matches("void foo() { if (true) { int x = 42; } }", S));
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EXPECT_FALSE(matches("void foo() { if (true) return; }", S));
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}
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TEST_F(RegistryTest, VariadicOp) {
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Matcher<Decl> D = constructMatcher(
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"anyOf",
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constructMatcher("recordDecl",
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constructMatcher("hasName", StringRef("Foo"))),
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constructMatcher("functionDecl",
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constructMatcher("hasName", StringRef("foo"))))
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.getTypedMatcher<Decl>();
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EXPECT_TRUE(matches("void foo(){}", D));
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EXPECT_TRUE(matches("struct Foo{};", D));
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EXPECT_FALSE(matches("int i = 0;", D));
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D = constructMatcher(
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"allOf", constructMatcher("recordDecl"),
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constructMatcher(
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"namedDecl",
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constructMatcher("anyOf",
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constructMatcher("hasName", StringRef("Foo")),
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constructMatcher("hasName", StringRef("Bar")))))
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.getTypedMatcher<Decl>();
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EXPECT_FALSE(matches("void foo(){}", D));
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EXPECT_TRUE(matches("struct Foo{};", D));
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EXPECT_FALSE(matches("int i = 0;", D));
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EXPECT_TRUE(matches("class Bar{};", D));
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EXPECT_FALSE(matches("class OtherBar{};", D));
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D = recordDecl(
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has(fieldDecl(hasName("Foo"))),
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constructMatcher(
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"unless",
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constructMatcher("namedDecl",
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constructMatcher("hasName", StringRef("Bar"))))
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.getTypedMatcher<Decl>());
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EXPECT_FALSE(matches("class Bar{ int Foo; };", D));
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EXPECT_TRUE(matches("class OtherBar{ int Foo; };", D));
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D = constructMatcher(
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"namedDecl", constructMatcher("hasName", StringRef("Foo")),
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constructMatcher("unless", constructMatcher("recordDecl")))
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.getTypedMatcher<Decl>();
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EXPECT_TRUE(matches("void Foo(){}", D));
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EXPECT_TRUE(notMatches("struct Foo {};", D));
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}
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TEST_F(RegistryTest, Errors) {
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// Incorrect argument count.
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std::unique_ptr<Diagnostics> Error(new Diagnostics());
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EXPECT_TRUE(constructMatcher("hasInitializer", Error.get()).isNull());
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EXPECT_EQ("Incorrect argument count. (Expected = 1) != (Actual = 0)",
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Error->toString());
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Error.reset(new Diagnostics());
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EXPECT_TRUE(constructMatcher("isArrow", StringRef(), Error.get()).isNull());
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EXPECT_EQ("Incorrect argument count. (Expected = 0) != (Actual = 1)",
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Error->toString());
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Error.reset(new Diagnostics());
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EXPECT_TRUE(constructMatcher("anyOf", Error.get()).isNull());
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EXPECT_EQ("Incorrect argument count. (Expected = (2, )) != (Actual = 0)",
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Error->toString());
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Error.reset(new Diagnostics());
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EXPECT_TRUE(constructMatcher("unless", StringRef(), StringRef(),
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Error.get()).isNull());
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EXPECT_EQ("Incorrect argument count. (Expected = (1, 1)) != (Actual = 2)",
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Error->toString());
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// Bad argument type
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Error.reset(new Diagnostics());
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EXPECT_TRUE(constructMatcher("ofClass", StringRef(), Error.get()).isNull());
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EXPECT_EQ("Incorrect type for arg 1. (Expected = Matcher<CXXRecordDecl>) != "
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"(Actual = String)",
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Error->toString());
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Error.reset(new Diagnostics());
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EXPECT_TRUE(
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constructMatcher("cxxRecordDecl", constructMatcher("cxxRecordDecl"),
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constructMatcher("parameterCountIs", 3), Error.get())
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.isNull());
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EXPECT_EQ("Incorrect type for arg 2. (Expected = Matcher<CXXRecordDecl>) != "
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"(Actual = Matcher<FunctionDecl|FunctionProtoType>)",
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Error->toString());
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// Bad argument type with variadic.
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Error.reset(new Diagnostics());
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EXPECT_TRUE(constructMatcher("anyOf", StringRef(), StringRef(),
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Error.get()).isNull());
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EXPECT_EQ(
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"Incorrect type for arg 1. (Expected = Matcher<>) != (Actual = String)",
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Error->toString());
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Error.reset(new Diagnostics());
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EXPECT_TRUE(constructMatcher(
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"cxxRecordDecl",
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constructMatcher("allOf",
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constructMatcher("isDerivedFrom", StringRef("FOO")),
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constructMatcher("isArrow")),
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Error.get()).isNull());
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EXPECT_EQ("Incorrect type for arg 1. "
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"(Expected = Matcher<CXXRecordDecl>) != "
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"(Actual = Matcher<CXXRecordDecl|ObjCInterfaceDecl>&Matcher"
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"<MemberExpr|UnresolvedMemberExpr|CXXDependentScopeMemberExpr>)",
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Error->toString());
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}
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TEST_F(RegistryTest, Completion) {
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CompVector Comps = getCompletions();
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// Overloaded
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EXPECT_TRUE(hasCompletion(
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Comps, "hasParent(",
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"Matcher<NestedNameSpecifierLoc|TypeLoc|Decl|...> "
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"hasParent(Matcher<NestedNameSpecifierLoc|TypeLoc|Decl|...>)"));
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// Variadic.
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EXPECT_TRUE(hasCompletion(Comps, "whileStmt(",
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"Matcher<Stmt> whileStmt(Matcher<WhileStmt>...)"));
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// Polymorphic.
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EXPECT_TRUE(hasCompletion(
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Comps, "hasDescendant(",
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"Matcher<NestedNameSpecifierLoc|QualType|TypeLoc|...> "
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"hasDescendant(Matcher<NestedNameSpecifierLoc|QualType|TypeLoc|...>)"));
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CompVector WhileComps = getCompletions("whileStmt", 0);
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EXPECT_TRUE(hasCompletion(WhileComps, "hasBody(",
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"Matcher<WhileStmt> hasBody(Matcher<Stmt>)"));
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EXPECT_TRUE(hasCompletion(
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WhileComps, "hasParent(",
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"Matcher<Stmt> "
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"hasParent(Matcher<NestedNameSpecifierLoc|TypeLoc|Decl|...>)"));
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EXPECT_TRUE(
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hasCompletion(WhileComps, "allOf(", "Matcher<T> allOf(Matcher<T>...)"));
|
|
|
|
EXPECT_FALSE(hasCompletion(WhileComps, "whileStmt("));
|
|
EXPECT_FALSE(hasCompletion(WhileComps, "ifStmt("));
|
|
|
|
CompVector AllOfWhileComps =
|
|
getCompletions("allOf", 0, "whileStmt", 0);
|
|
ASSERT_EQ(AllOfWhileComps.size(), WhileComps.size());
|
|
EXPECT_TRUE(std::equal(WhileComps.begin(), WhileComps.end(),
|
|
AllOfWhileComps.begin()));
|
|
|
|
CompVector DeclWhileComps =
|
|
getCompletions("decl", 0, "whileStmt", 0);
|
|
EXPECT_EQ(0u, DeclWhileComps.size());
|
|
|
|
CompVector NamedDeclComps = getCompletions("namedDecl", 0);
|
|
EXPECT_TRUE(
|
|
hasCompletion(NamedDeclComps, "isPublic()", "Matcher<Decl> isPublic()"));
|
|
EXPECT_TRUE(hasCompletion(NamedDeclComps, "hasName(\"",
|
|
"Matcher<NamedDecl> hasName(string)"));
|
|
|
|
// Heterogeneous overloads.
|
|
Comps = getCompletions("classTemplateSpecializationDecl", 0);
|
|
EXPECT_TRUE(hasCompletion(
|
|
Comps, "isSameOrDerivedFrom(",
|
|
"Matcher<CXXRecordDecl> isSameOrDerivedFrom(string|Matcher<NamedDecl>)"));
|
|
}
|
|
|
|
TEST_F(RegistryTest, HasArgs) {
|
|
Matcher<Decl> Value = constructMatcher(
|
|
"decl", constructMatcher("hasAttr", StringRef("attr::WarnUnused")))
|
|
.getTypedMatcher<Decl>();
|
|
EXPECT_TRUE(matches("struct __attribute__((warn_unused)) X {};", Value));
|
|
EXPECT_FALSE(matches("struct X {};", Value));
|
|
}
|
|
|
|
TEST_F(RegistryTest, ParenExpr) {
|
|
Matcher<Stmt> Value = constructMatcher("parenExpr").getTypedMatcher<Stmt>();
|
|
EXPECT_TRUE(matches("int i = (1);", traverse(TK_AsIs, Value)));
|
|
EXPECT_FALSE(matches("int i = 1;", traverse(TK_AsIs, Value)));
|
|
}
|
|
|
|
TEST_F(RegistryTest, EqualsMatcher) {
|
|
Matcher<Stmt> BooleanStmt = constructMatcher(
|
|
"cxxBoolLiteral", constructMatcher("equals", VariantValue(true)))
|
|
.getTypedMatcher<Stmt>();
|
|
EXPECT_TRUE(matches("bool x = true;", BooleanStmt));
|
|
EXPECT_FALSE(matches("bool x = false;", BooleanStmt));
|
|
EXPECT_FALSE(matches("bool x = 0;", BooleanStmt));
|
|
|
|
BooleanStmt = constructMatcher(
|
|
"cxxBoolLiteral", constructMatcher("equals", VariantValue(0)))
|
|
.getTypedMatcher<Stmt>();
|
|
EXPECT_TRUE(matches("bool x = false;", BooleanStmt));
|
|
EXPECT_FALSE(matches("bool x = true;", BooleanStmt));
|
|
EXPECT_FALSE(matches("bool x = 0;", BooleanStmt));
|
|
|
|
Matcher<Stmt> DoubleStmt = constructMatcher(
|
|
"floatLiteral", constructMatcher("equals", VariantValue(1.2)))
|
|
.getTypedMatcher<Stmt>();
|
|
EXPECT_TRUE(matches("double x = 1.2;", DoubleStmt));
|
|
#if 0
|
|
// FIXME floatLiteral matching should work regardless of suffix.
|
|
EXPECT_TRUE(matches("double x = 1.2f;", DoubleStmt));
|
|
EXPECT_TRUE(matches("double x = 1.2l;", DoubleStmt));
|
|
#endif
|
|
EXPECT_TRUE(matches("double x = 12e-1;", DoubleStmt));
|
|
EXPECT_FALSE(matches("double x = 1.23;", DoubleStmt));
|
|
|
|
Matcher<Stmt> IntegerStmt = constructMatcher(
|
|
"integerLiteral", constructMatcher("equals", VariantValue(42)))
|
|
.getTypedMatcher<Stmt>();
|
|
EXPECT_TRUE(matches("int x = 42;", IntegerStmt));
|
|
EXPECT_FALSE(matches("int x = 1;", IntegerStmt));
|
|
|
|
Matcher<Stmt> CharStmt = constructMatcher(
|
|
"characterLiteral", constructMatcher("equals", VariantValue('x')))
|
|
.getTypedMatcher<Stmt>();
|
|
EXPECT_TRUE(matches("int x = 'x';", CharStmt));
|
|
EXPECT_TRUE(matches("int x = L'x';", CharStmt));
|
|
EXPECT_TRUE(matches("int x = u'x';", CharStmt));
|
|
EXPECT_TRUE(matches("int x = U'x';", CharStmt));
|
|
EXPECT_FALSE(matches("int x = 120;", CharStmt));
|
|
}
|
|
|
|
} // end anonymous namespace
|
|
} // end namespace dynamic
|
|
} // end namespace ast_matchers
|
|
} // end namespace clang
|