1be906a103
The test will fail if the default target triple is not X86, even if the host platform is. So move the check into the test at runtime. llvm-svn: 352956
831 lines
28 KiB
C++
831 lines
28 KiB
C++
#include "clang/AST/ASTContext.h"
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#include "clang/ASTMatchers/ASTMatchers.h"
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#include "clang/AST/ASTStructuralEquivalence.h"
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#include "clang/Frontend/ASTUnit.h"
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#include "clang/Tooling/Tooling.h"
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#include "Language.h"
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#include "DeclMatcher.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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using std::get;
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struct StructuralEquivalenceTest : ::testing::Test {
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std::unique_ptr<ASTUnit> AST0, AST1;
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std::string Code0, Code1; // Buffers for SourceManager
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// Get a pair of node pointers into the synthesized AST from the given code
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// snippets. To determine the returned node, a separate matcher is specified
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// for both snippets. The first matching node is returned.
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template <typename NodeType, typename MatcherType>
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std::tuple<NodeType *, NodeType *> makeDecls(
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const std::string &SrcCode0, const std::string &SrcCode1, Language Lang,
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const MatcherType &Matcher0, const MatcherType &Matcher1) {
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this->Code0 = SrcCode0;
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this->Code1 = SrcCode1;
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ArgVector Args = getBasicRunOptionsForLanguage(Lang);
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const char *const InputFileName = "input.cc";
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AST0 = tooling::buildASTFromCodeWithArgs(Code0, Args, InputFileName);
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AST1 = tooling::buildASTFromCodeWithArgs(Code1, Args, InputFileName);
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NodeType *D0 = FirstDeclMatcher<NodeType>().match(
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AST0->getASTContext().getTranslationUnitDecl(), Matcher0);
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NodeType *D1 = FirstDeclMatcher<NodeType>().match(
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AST1->getASTContext().getTranslationUnitDecl(), Matcher1);
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return std::make_tuple(D0, D1);
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}
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std::tuple<TranslationUnitDecl *, TranslationUnitDecl *> makeTuDecls(
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const std::string &SrcCode0, const std::string &SrcCode1, Language Lang) {
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this->Code0 = SrcCode0;
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this->Code1 = SrcCode1;
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ArgVector Args = getBasicRunOptionsForLanguage(Lang);
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const char *const InputFileName = "input.cc";
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AST0 = tooling::buildASTFromCodeWithArgs(Code0, Args, InputFileName);
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AST1 = tooling::buildASTFromCodeWithArgs(Code1, Args, InputFileName);
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return std::make_tuple(AST0->getASTContext().getTranslationUnitDecl(),
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AST1->getASTContext().getTranslationUnitDecl());
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}
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// Get a pair of node pointers into the synthesized AST from the given code
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// snippets. The same matcher is used for both snippets.
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template <typename NodeType, typename MatcherType>
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std::tuple<NodeType *, NodeType *> makeDecls(
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const std::string &SrcCode0, const std::string &SrcCode1, Language Lang,
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const MatcherType &AMatcher) {
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return makeDecls<NodeType, MatcherType>(
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SrcCode0, SrcCode1, Lang, AMatcher, AMatcher);
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}
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// Get a pair of Decl pointers to the synthesized declarations from the given
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// code snippets. We search for the first NamedDecl with given name in both
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// snippets.
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std::tuple<NamedDecl *, NamedDecl *> makeNamedDecls(
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const std::string &SrcCode0, const std::string &SrcCode1,
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Language Lang, const char *const Identifier = "foo") {
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auto Matcher = namedDecl(hasName(Identifier));
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return makeDecls<NamedDecl>(SrcCode0, SrcCode1, Lang, Matcher);
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}
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bool testStructuralMatch(Decl *D0, Decl *D1) {
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llvm::DenseSet<std::pair<Decl *, Decl *>> NonEquivalentDecls01;
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llvm::DenseSet<std::pair<Decl *, Decl *>> NonEquivalentDecls10;
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StructuralEquivalenceContext Ctx01(
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D0->getASTContext(), D1->getASTContext(),
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NonEquivalentDecls01, StructuralEquivalenceKind::Default, false, false);
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StructuralEquivalenceContext Ctx10(
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D1->getASTContext(), D0->getASTContext(),
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NonEquivalentDecls10, StructuralEquivalenceKind::Default, false, false);
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bool Eq01 = Ctx01.IsEquivalent(D0, D1);
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bool Eq10 = Ctx10.IsEquivalent(D1, D0);
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EXPECT_EQ(Eq01, Eq10);
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return Eq01;
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}
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bool testStructuralMatch(std::tuple<Decl *, Decl *> t) {
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return testStructuralMatch(get<0>(t), get<1>(t));
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}
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};
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TEST_F(StructuralEquivalenceTest, Int) {
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auto Decls = makeNamedDecls("int foo;", "int foo;", Lang_CXX);
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EXPECT_TRUE(testStructuralMatch(Decls));
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}
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TEST_F(StructuralEquivalenceTest, IntVsSignedInt) {
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auto Decls = makeNamedDecls("int foo;", "signed int foo;", Lang_CXX);
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EXPECT_TRUE(testStructuralMatch(Decls));
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}
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TEST_F(StructuralEquivalenceTest, Char) {
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auto Decls = makeNamedDecls("char foo;", "char foo;", Lang_CXX);
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EXPECT_TRUE(testStructuralMatch(Decls));
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}
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// This test is disabled for now.
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// FIXME Whether this is equivalent is dependendant on the target.
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TEST_F(StructuralEquivalenceTest, DISABLED_CharVsSignedChar) {
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auto Decls = makeNamedDecls("char foo;", "signed char foo;", Lang_CXX);
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EXPECT_FALSE(testStructuralMatch(Decls));
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}
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TEST_F(StructuralEquivalenceTest, ForwardRecordDecl) {
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auto Decls = makeNamedDecls("struct foo;", "struct foo;", Lang_CXX);
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EXPECT_TRUE(testStructuralMatch(Decls));
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}
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TEST_F(StructuralEquivalenceTest, IntVsSignedIntInStruct) {
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auto Decls = makeNamedDecls("struct foo { int x; };",
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"struct foo { signed int x; };", Lang_CXX);
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EXPECT_TRUE(testStructuralMatch(Decls));
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}
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TEST_F(StructuralEquivalenceTest, CharVsSignedCharInStruct) {
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auto Decls = makeNamedDecls("struct foo { char x; };",
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"struct foo { signed char x; };", Lang_CXX);
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EXPECT_FALSE(testStructuralMatch(Decls));
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}
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TEST_F(StructuralEquivalenceTest, IntVsSignedIntTemplateSpec) {
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auto Decls = makeDecls<ClassTemplateSpecializationDecl>(
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R"(template <class T> struct foo; template<> struct foo<int>{};)",
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R"(template <class T> struct foo; template<> struct foo<signed int>{};)",
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Lang_CXX,
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classTemplateSpecializationDecl());
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auto Spec0 = get<0>(Decls);
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auto Spec1 = get<1>(Decls);
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EXPECT_TRUE(testStructuralMatch(Spec0, Spec1));
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}
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TEST_F(StructuralEquivalenceTest, CharVsSignedCharTemplateSpec) {
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auto Decls = makeDecls<ClassTemplateSpecializationDecl>(
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R"(template <class T> struct foo; template<> struct foo<char>{};)",
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R"(template <class T> struct foo; template<> struct foo<signed char>{};)",
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Lang_CXX,
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classTemplateSpecializationDecl());
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auto Spec0 = get<0>(Decls);
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auto Spec1 = get<1>(Decls);
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EXPECT_FALSE(testStructuralMatch(Spec0, Spec1));
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}
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TEST_F(StructuralEquivalenceTest, CharVsSignedCharTemplateSpecWithInheritance) {
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auto Decls = makeDecls<ClassTemplateSpecializationDecl>(
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R"(
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struct true_type{};
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template <class T> struct foo;
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template<> struct foo<char> : true_type {};
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)",
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R"(
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struct true_type{};
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template <class T> struct foo;
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template<> struct foo<signed char> : true_type {};
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)",
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Lang_CXX,
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classTemplateSpecializationDecl());
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EXPECT_FALSE(testStructuralMatch(Decls));
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}
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// This test is disabled for now.
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// FIXME Enable it, once the check is implemented.
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TEST_F(StructuralEquivalenceTest, DISABLED_WrongOrderInNamespace) {
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auto Code =
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R"(
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namespace NS {
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template <class T> class Base {
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int a;
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};
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class Derived : Base<Derived> {
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};
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}
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void foo(NS::Derived &);
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)";
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auto Decls = makeNamedDecls(Code, Code, Lang_CXX);
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NamespaceDecl *NS =
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LastDeclMatcher<NamespaceDecl>().match(get<1>(Decls), namespaceDecl());
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ClassTemplateDecl *TD = LastDeclMatcher<ClassTemplateDecl>().match(
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get<1>(Decls), classTemplateDecl(hasName("Base")));
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// Reorder the decls, move the TD to the last place in the DC.
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NS->removeDecl(TD);
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NS->addDeclInternal(TD);
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EXPECT_FALSE(testStructuralMatch(Decls));
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}
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TEST_F(StructuralEquivalenceTest, WrongOrderOfFieldsInClass) {
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auto Code = "class X { int a; int b; };";
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auto Decls = makeNamedDecls(Code, Code, Lang_CXX, "X");
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CXXRecordDecl *RD = FirstDeclMatcher<CXXRecordDecl>().match(
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get<1>(Decls), cxxRecordDecl(hasName("X")));
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FieldDecl *FD =
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FirstDeclMatcher<FieldDecl>().match(get<1>(Decls), fieldDecl(hasName("a")));
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// Reorder the FieldDecls
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RD->removeDecl(FD);
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RD->addDeclInternal(FD);
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EXPECT_FALSE(testStructuralMatch(Decls));
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}
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struct StructuralEquivalenceFunctionTest : StructuralEquivalenceTest {
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};
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TEST_F(StructuralEquivalenceFunctionTest, TemplateVsNonTemplate) {
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auto t = makeNamedDecls(
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"void foo();",
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"template<class T> void foo();",
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Lang_CXX);
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EXPECT_FALSE(testStructuralMatch(t));
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}
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TEST_F(StructuralEquivalenceFunctionTest, ParamConstWithRef) {
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auto t = makeNamedDecls("void foo(int&);",
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"void foo(const int&);", Lang_CXX);
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EXPECT_FALSE(testStructuralMatch(t));
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}
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TEST_F(StructuralEquivalenceFunctionTest, ParamConstSimple) {
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auto t = makeNamedDecls("void foo(int);",
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"void foo(const int);", Lang_CXX);
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EXPECT_TRUE(testStructuralMatch(t));
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// consider this OK
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}
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TEST_F(StructuralEquivalenceFunctionTest, Throw) {
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auto t = makeNamedDecls("void foo();",
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"void foo() throw();", Lang_CXX);
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EXPECT_FALSE(testStructuralMatch(t));
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}
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TEST_F(StructuralEquivalenceFunctionTest, Noexcept) {
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auto t = makeNamedDecls("void foo();",
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"void foo() noexcept;", Lang_CXX11);
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EXPECT_FALSE(testStructuralMatch(t));
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}
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TEST_F(StructuralEquivalenceFunctionTest, ThrowVsNoexcept) {
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auto t = makeNamedDecls("void foo() throw();",
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"void foo() noexcept;", Lang_CXX11);
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EXPECT_FALSE(testStructuralMatch(t));
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}
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TEST_F(StructuralEquivalenceFunctionTest, ThrowVsNoexceptFalse) {
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auto t = makeNamedDecls("void foo() throw();",
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"void foo() noexcept(false);", Lang_CXX11);
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EXPECT_FALSE(testStructuralMatch(t));
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}
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TEST_F(StructuralEquivalenceFunctionTest, ThrowVsNoexceptTrue) {
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auto t = makeNamedDecls("void foo() throw();",
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"void foo() noexcept(true);", Lang_CXX11);
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EXPECT_FALSE(testStructuralMatch(t));
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}
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TEST_F(StructuralEquivalenceFunctionTest, DISABLED_NoexceptNonMatch) {
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// The expression is not checked yet.
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auto t = makeNamedDecls("void foo() noexcept(false);",
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"void foo() noexcept(true);", Lang_CXX11);
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EXPECT_FALSE(testStructuralMatch(t));
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}
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TEST_F(StructuralEquivalenceFunctionTest, NoexceptMatch) {
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auto t = makeNamedDecls("void foo() noexcept(false);",
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"void foo() noexcept(false);", Lang_CXX11);
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EXPECT_TRUE(testStructuralMatch(t));
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}
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TEST_F(StructuralEquivalenceFunctionTest, NoexceptVsNoexceptFalse) {
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auto t = makeNamedDecls("void foo() noexcept;",
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"void foo() noexcept(false);", Lang_CXX11);
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EXPECT_FALSE(testStructuralMatch(t));
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}
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TEST_F(StructuralEquivalenceFunctionTest, NoexceptVsNoexceptTrue) {
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auto t = makeNamedDecls("void foo() noexcept;",
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"void foo() noexcept(true);", Lang_CXX11);
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EXPECT_FALSE(testStructuralMatch(t));
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}
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TEST_F(StructuralEquivalenceFunctionTest, ReturnType) {
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auto t = makeNamedDecls("char foo();",
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"int foo();", Lang_CXX);
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EXPECT_FALSE(testStructuralMatch(t));
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}
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TEST_F(StructuralEquivalenceFunctionTest, ReturnConst) {
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auto t = makeNamedDecls("char foo();",
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"const char foo();", Lang_CXX);
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EXPECT_FALSE(testStructuralMatch(t));
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}
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TEST_F(StructuralEquivalenceFunctionTest, ReturnRef) {
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auto t = makeNamedDecls("char &foo();",
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"char &&foo();", Lang_CXX11);
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EXPECT_FALSE(testStructuralMatch(t));
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}
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TEST_F(StructuralEquivalenceFunctionTest, ParamCount) {
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auto t = makeNamedDecls("void foo(int);",
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"void foo(int, int);", Lang_CXX);
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EXPECT_FALSE(testStructuralMatch(t));
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}
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TEST_F(StructuralEquivalenceFunctionTest, ParamType) {
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auto t = makeNamedDecls("void foo(int);",
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"void foo(char);", Lang_CXX);
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EXPECT_FALSE(testStructuralMatch(t));
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}
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TEST_F(StructuralEquivalenceFunctionTest, ParamName) {
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auto t = makeNamedDecls("void foo(int a);",
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"void foo(int b);", Lang_CXX);
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EXPECT_TRUE(testStructuralMatch(t));
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}
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TEST_F(StructuralEquivalenceFunctionTest, Variadic) {
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auto t = makeNamedDecls("void foo(int x...);",
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"void foo(int x);", Lang_CXX);
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EXPECT_FALSE(testStructuralMatch(t));
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}
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TEST_F(StructuralEquivalenceFunctionTest, ParamPtr) {
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auto t = makeNamedDecls("void foo(int *);",
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"void foo(int);", Lang_CXX);
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EXPECT_FALSE(testStructuralMatch(t));
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}
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TEST_F(StructuralEquivalenceFunctionTest, NameInParen) {
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auto t = makeNamedDecls(
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"void ((foo))();",
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"void foo();",
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Lang_CXX);
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EXPECT_TRUE(testStructuralMatch(t));
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}
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TEST_F(StructuralEquivalenceFunctionTest, NameInParenWithExceptionSpec) {
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auto t = makeNamedDecls(
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"void (foo)() throw(int);",
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"void (foo)() noexcept;",
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Lang_CXX11);
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EXPECT_FALSE(testStructuralMatch(t));
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}
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TEST_F(StructuralEquivalenceFunctionTest, NameInParenWithConst) {
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auto t = makeNamedDecls(
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"struct A { void (foo)() const; };",
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"struct A { void (foo)(); };",
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Lang_CXX11);
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EXPECT_FALSE(testStructuralMatch(t));
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}
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TEST_F(StructuralEquivalenceFunctionTest, FunctionsWithDifferentNoreturnAttr) {
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auto t = makeNamedDecls(
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"__attribute__((noreturn)) void foo();",
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" void foo();",
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Lang_C);
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EXPECT_TRUE(testStructuralMatch(t));
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}
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TEST_F(StructuralEquivalenceFunctionTest,
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FunctionsWithDifferentCallingConventions) {
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// These attributes may not be available on certain platforms.
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if (llvm::Triple(llvm::sys::getDefaultTargetTriple()).getArch() !=
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llvm::Triple::x86_64)
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return;
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auto t = makeNamedDecls(
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"__attribute__((preserve_all)) void foo();",
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"__attribute__((ms_abi)) void foo();",
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Lang_C);
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EXPECT_FALSE(testStructuralMatch(t));
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}
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TEST_F(StructuralEquivalenceFunctionTest, FunctionsWithDifferentSavedRegsAttr) {
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if (llvm::Triple(llvm::sys::getDefaultTargetTriple()).getArch() !=
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llvm::Triple::x86_64)
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return;
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auto t = makeNamedDecls(
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"__attribute__((no_caller_saved_registers)) void foo();",
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" void foo();",
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Lang_C);
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EXPECT_FALSE(testStructuralMatch(t));
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}
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struct StructuralEquivalenceCXXMethodTest : StructuralEquivalenceTest {
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};
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TEST_F(StructuralEquivalenceCXXMethodTest, Virtual) {
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auto t = makeDecls<CXXMethodDecl>(
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"struct X { void foo(); };",
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"struct X { virtual void foo(); };", Lang_CXX,
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cxxMethodDecl(hasName("foo")));
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EXPECT_FALSE(testStructuralMatch(t));
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}
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TEST_F(StructuralEquivalenceCXXMethodTest, Pure) {
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auto t = makeNamedDecls("struct X { virtual void foo(); };",
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"struct X { virtual void foo() = 0; };", Lang_CXX);
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EXPECT_FALSE(testStructuralMatch(t));
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}
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TEST_F(StructuralEquivalenceCXXMethodTest, DISABLED_Final) {
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// The final-ness is not checked yet.
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auto t = makeNamedDecls("struct X { virtual void foo(); };",
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"struct X { virtual void foo() final; };", Lang_CXX);
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EXPECT_FALSE(testStructuralMatch(t));
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}
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TEST_F(StructuralEquivalenceCXXMethodTest, Const) {
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auto t = makeNamedDecls("struct X { void foo(); };",
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"struct X { void foo() const; };", Lang_CXX);
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EXPECT_FALSE(testStructuralMatch(t));
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}
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TEST_F(StructuralEquivalenceCXXMethodTest, Static) {
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auto t = makeNamedDecls("struct X { void foo(); };",
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"struct X { static void foo(); };", Lang_CXX);
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EXPECT_FALSE(testStructuralMatch(t));
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}
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TEST_F(StructuralEquivalenceCXXMethodTest, Ref1) {
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auto t = makeNamedDecls("struct X { void foo(); };",
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"struct X { void foo() &&; };", Lang_CXX11);
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EXPECT_FALSE(testStructuralMatch(t));
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}
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TEST_F(StructuralEquivalenceCXXMethodTest, Ref2) {
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auto t = makeNamedDecls("struct X { void foo() &; };",
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"struct X { void foo() &&; };", Lang_CXX11);
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EXPECT_FALSE(testStructuralMatch(t));
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}
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TEST_F(StructuralEquivalenceCXXMethodTest, AccessSpecifier) {
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auto t = makeDecls<CXXMethodDecl>(
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"struct X { public: void foo(); };",
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"struct X { private: void foo(); };", Lang_CXX,
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cxxMethodDecl(hasName("foo")));
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EXPECT_FALSE(testStructuralMatch(t));
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}
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TEST_F(StructuralEquivalenceCXXMethodTest, Delete) {
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auto t = makeNamedDecls("struct X { void foo(); };",
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"struct X { void foo() = delete; };", Lang_CXX11);
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EXPECT_FALSE(testStructuralMatch(t));
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}
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TEST_F(StructuralEquivalenceCXXMethodTest, Constructor) {
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auto t = makeDecls<FunctionDecl>(
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"void foo();", "struct foo { foo(); };", Lang_CXX,
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functionDecl(hasName("foo")), cxxConstructorDecl(hasName("foo")));
|
|
EXPECT_FALSE(testStructuralMatch(t));
|
|
}
|
|
|
|
TEST_F(StructuralEquivalenceCXXMethodTest, ConstructorParam) {
|
|
auto t = makeDecls<CXXConstructorDecl>("struct X { X(); };",
|
|
"struct X { X(int); };", Lang_CXX,
|
|
cxxConstructorDecl(hasName("X")));
|
|
EXPECT_FALSE(testStructuralMatch(t));
|
|
}
|
|
|
|
TEST_F(StructuralEquivalenceCXXMethodTest, ConstructorExplicit) {
|
|
auto t = makeDecls<CXXConstructorDecl>("struct X { X(int); };",
|
|
"struct X { explicit X(int); };",
|
|
Lang_CXX11,
|
|
cxxConstructorDecl(hasName("X")));
|
|
EXPECT_FALSE(testStructuralMatch(t));
|
|
}
|
|
|
|
TEST_F(StructuralEquivalenceCXXMethodTest, ConstructorDefault) {
|
|
auto t = makeDecls<CXXConstructorDecl>("struct X { X(); };",
|
|
"struct X { X() = default; };",
|
|
Lang_CXX11,
|
|
cxxConstructorDecl(hasName("X")));
|
|
EXPECT_FALSE(testStructuralMatch(t));
|
|
}
|
|
|
|
TEST_F(StructuralEquivalenceCXXMethodTest, Conversion) {
|
|
auto t = makeDecls<CXXConversionDecl>("struct X { operator bool(); };",
|
|
"struct X { operator char(); };",
|
|
Lang_CXX11,
|
|
cxxConversionDecl());
|
|
EXPECT_FALSE(testStructuralMatch(t));
|
|
}
|
|
|
|
TEST_F(StructuralEquivalenceCXXMethodTest, Operator) {
|
|
auto t = makeDecls<FunctionDecl>(
|
|
"struct X { int operator +(int); };",
|
|
"struct X { int operator -(int); };", Lang_CXX,
|
|
functionDecl(hasOverloadedOperatorName("+")),
|
|
functionDecl(hasOverloadedOperatorName("-")));
|
|
EXPECT_FALSE(testStructuralMatch(t));
|
|
}
|
|
|
|
TEST_F(StructuralEquivalenceCXXMethodTest, OutOfClass1) {
|
|
auto t = makeDecls<FunctionDecl>(
|
|
"struct X { virtual void f(); }; void X::f() { }",
|
|
"struct X { virtual void f() { }; };",
|
|
Lang_CXX,
|
|
functionDecl(allOf(hasName("f"), isDefinition())));
|
|
EXPECT_TRUE(testStructuralMatch(t));
|
|
}
|
|
|
|
TEST_F(StructuralEquivalenceCXXMethodTest, OutOfClass2) {
|
|
auto t = makeDecls<FunctionDecl>(
|
|
"struct X { virtual void f(); }; void X::f() { }",
|
|
"struct X { void f(); }; void X::f() { }",
|
|
Lang_CXX,
|
|
functionDecl(allOf(hasName("f"), isDefinition())));
|
|
EXPECT_FALSE(testStructuralMatch(t));
|
|
}
|
|
|
|
struct StructuralEquivalenceRecordTest : StructuralEquivalenceTest {
|
|
// FIXME Use a common getRecordDecl with ASTImporterTest.cpp!
|
|
RecordDecl *getRecordDecl(FieldDecl *FD) {
|
|
auto *ET = cast<ElaboratedType>(FD->getType().getTypePtr());
|
|
return cast<RecordType>(ET->getNamedType().getTypePtr())->getDecl();
|
|
};
|
|
};
|
|
|
|
TEST_F(StructuralEquivalenceRecordTest, Name) {
|
|
auto t = makeDecls<CXXRecordDecl>(
|
|
"struct A{ };",
|
|
"struct B{ };",
|
|
Lang_CXX,
|
|
cxxRecordDecl(hasName("A")),
|
|
cxxRecordDecl(hasName("B")));
|
|
EXPECT_FALSE(testStructuralMatch(t));
|
|
}
|
|
|
|
TEST_F(StructuralEquivalenceRecordTest, Fields) {
|
|
auto t = makeNamedDecls(
|
|
"struct foo{ int x; };",
|
|
"struct foo{ char x; };",
|
|
Lang_CXX);
|
|
EXPECT_FALSE(testStructuralMatch(t));
|
|
}
|
|
|
|
TEST_F(StructuralEquivalenceRecordTest, DISABLED_Methods) {
|
|
// Currently, methods of a class are not checked at class equivalence.
|
|
auto t = makeNamedDecls(
|
|
"struct foo{ int x(); };",
|
|
"struct foo{ char x(); };",
|
|
Lang_CXX);
|
|
EXPECT_FALSE(testStructuralMatch(t));
|
|
}
|
|
|
|
TEST_F(StructuralEquivalenceRecordTest, Bases) {
|
|
auto t = makeNamedDecls(
|
|
"struct A{ }; struct foo: A { };",
|
|
"struct B{ }; struct foo: B { };",
|
|
Lang_CXX);
|
|
EXPECT_FALSE(testStructuralMatch(t));
|
|
}
|
|
|
|
TEST_F(StructuralEquivalenceRecordTest, InheritanceVirtual) {
|
|
auto t = makeNamedDecls(
|
|
"struct A{ }; struct foo: A { };",
|
|
"struct A{ }; struct foo: virtual A { };",
|
|
Lang_CXX);
|
|
EXPECT_FALSE(testStructuralMatch(t));
|
|
}
|
|
|
|
TEST_F(StructuralEquivalenceRecordTest, DISABLED_InheritanceType) {
|
|
// Access specifier in inheritance is not checked yet.
|
|
auto t = makeNamedDecls(
|
|
"struct A{ }; struct foo: public A { };",
|
|
"struct A{ }; struct foo: private A { };",
|
|
Lang_CXX);
|
|
EXPECT_FALSE(testStructuralMatch(t));
|
|
}
|
|
|
|
TEST_F(StructuralEquivalenceRecordTest, Match) {
|
|
auto Code = R"(
|
|
struct A{ };
|
|
struct B{ };
|
|
struct foo: A, virtual B {
|
|
void x();
|
|
int a;
|
|
};
|
|
)";
|
|
auto t = makeNamedDecls(Code, Code, Lang_CXX);
|
|
EXPECT_TRUE(testStructuralMatch(t));
|
|
}
|
|
|
|
TEST_F(StructuralEquivalenceRecordTest, UnnamedRecordsShouldBeInequivalent) {
|
|
auto t = makeTuDecls(
|
|
R"(
|
|
struct A {
|
|
struct {
|
|
struct A *next;
|
|
} entry0;
|
|
struct {
|
|
struct A *next;
|
|
} entry1;
|
|
};
|
|
)",
|
|
"", Lang_C);
|
|
auto *TU = get<0>(t);
|
|
auto *Entry0 =
|
|
FirstDeclMatcher<FieldDecl>().match(TU, fieldDecl(hasName("entry0")));
|
|
auto *Entry1 =
|
|
FirstDeclMatcher<FieldDecl>().match(TU, fieldDecl(hasName("entry1")));
|
|
auto *R0 = getRecordDecl(Entry0);
|
|
auto *R1 = getRecordDecl(Entry1);
|
|
|
|
ASSERT_NE(R0, R1);
|
|
EXPECT_TRUE(testStructuralMatch(R0, R0));
|
|
EXPECT_TRUE(testStructuralMatch(R1, R1));
|
|
EXPECT_FALSE(testStructuralMatch(R0, R1));
|
|
}
|
|
|
|
TEST_F(StructuralEquivalenceRecordTest, AnonymousRecordsShouldBeInequivalent) {
|
|
auto t = makeTuDecls(
|
|
R"(
|
|
struct X {
|
|
struct {
|
|
int a;
|
|
};
|
|
struct {
|
|
int b;
|
|
};
|
|
};
|
|
)",
|
|
"", Lang_C);
|
|
auto *TU = get<0>(t);
|
|
auto *A = FirstDeclMatcher<IndirectFieldDecl>().match(
|
|
TU, indirectFieldDecl(hasName("a")));
|
|
auto *FA = cast<FieldDecl>(A->chain().front());
|
|
RecordDecl *RA = cast<RecordType>(FA->getType().getTypePtr())->getDecl();
|
|
auto *B = FirstDeclMatcher<IndirectFieldDecl>().match(
|
|
TU, indirectFieldDecl(hasName("b")));
|
|
auto *FB = cast<FieldDecl>(B->chain().front());
|
|
RecordDecl *RB = cast<RecordType>(FB->getType().getTypePtr())->getDecl();
|
|
|
|
ASSERT_NE(RA, RB);
|
|
EXPECT_TRUE(testStructuralMatch(RA, RA));
|
|
EXPECT_TRUE(testStructuralMatch(RB, RB));
|
|
EXPECT_FALSE(testStructuralMatch(RA, RB));
|
|
}
|
|
|
|
TEST_F(StructuralEquivalenceRecordTest,
|
|
RecordsAreInequivalentIfOrderOfAnonRecordsIsDifferent) {
|
|
auto t = makeTuDecls(
|
|
R"(
|
|
struct X {
|
|
struct { int a; };
|
|
struct { int b; };
|
|
};
|
|
)",
|
|
R"(
|
|
struct X { // The order is reversed.
|
|
struct { int b; };
|
|
struct { int a; };
|
|
};
|
|
)",
|
|
Lang_C);
|
|
|
|
auto *TU = get<0>(t);
|
|
auto *A = FirstDeclMatcher<IndirectFieldDecl>().match(
|
|
TU, indirectFieldDecl(hasName("a")));
|
|
auto *FA = cast<FieldDecl>(A->chain().front());
|
|
RecordDecl *RA = cast<RecordType>(FA->getType().getTypePtr())->getDecl();
|
|
|
|
auto *TU1 = get<1>(t);
|
|
auto *A1 = FirstDeclMatcher<IndirectFieldDecl>().match(
|
|
TU1, indirectFieldDecl(hasName("a")));
|
|
auto *FA1 = cast<FieldDecl>(A1->chain().front());
|
|
RecordDecl *RA1 = cast<RecordType>(FA1->getType().getTypePtr())->getDecl();
|
|
|
|
RecordDecl *X =
|
|
FirstDeclMatcher<RecordDecl>().match(TU, recordDecl(hasName("X")));
|
|
RecordDecl *X1 =
|
|
FirstDeclMatcher<RecordDecl>().match(TU1, recordDecl(hasName("X")));
|
|
ASSERT_NE(X, X1);
|
|
EXPECT_FALSE(testStructuralMatch(X, X1));
|
|
|
|
ASSERT_NE(RA, RA1);
|
|
EXPECT_TRUE(testStructuralMatch(RA, RA));
|
|
EXPECT_TRUE(testStructuralMatch(RA1, RA1));
|
|
EXPECT_FALSE(testStructuralMatch(RA1, RA));
|
|
}
|
|
|
|
TEST_F(StructuralEquivalenceRecordTest,
|
|
UnnamedRecordsShouldBeInequivalentEvenIfTheSecondIsBeingDefined) {
|
|
auto Code =
|
|
R"(
|
|
struct A {
|
|
struct {
|
|
struct A *next;
|
|
} entry0;
|
|
struct {
|
|
struct A *next;
|
|
} entry1;
|
|
};
|
|
)";
|
|
auto t = makeTuDecls(Code, Code, Lang_C);
|
|
|
|
auto *FromTU = get<0>(t);
|
|
auto *Entry1 =
|
|
FirstDeclMatcher<FieldDecl>().match(FromTU, fieldDecl(hasName("entry1")));
|
|
|
|
auto *ToTU = get<1>(t);
|
|
auto *Entry0 =
|
|
FirstDeclMatcher<FieldDecl>().match(ToTU, fieldDecl(hasName("entry0")));
|
|
auto *A =
|
|
FirstDeclMatcher<RecordDecl>().match(ToTU, recordDecl(hasName("A")));
|
|
A->startDefinition(); // Set isBeingDefined, getDefinition() will return a
|
|
// nullptr. This may be the case during ASTImport.
|
|
|
|
auto *R0 = getRecordDecl(Entry0);
|
|
auto *R1 = getRecordDecl(Entry1);
|
|
|
|
ASSERT_NE(R0, R1);
|
|
EXPECT_TRUE(testStructuralMatch(R0, R0));
|
|
EXPECT_TRUE(testStructuralMatch(R1, R1));
|
|
EXPECT_FALSE(testStructuralMatch(R0, R1));
|
|
}
|
|
|
|
TEST_F(StructuralEquivalenceRecordTest, TemplateVsNonTemplate) {
|
|
auto t = makeDecls<CXXRecordDecl>(
|
|
"struct A { };",
|
|
"template<class T> struct A { };",
|
|
Lang_CXX,
|
|
cxxRecordDecl(hasName("A")));
|
|
EXPECT_FALSE(testStructuralMatch(t));
|
|
}
|
|
|
|
TEST_F(StructuralEquivalenceRecordTest,
|
|
FwdDeclRecordShouldBeEqualWithFwdDeclRecord) {
|
|
auto t = makeNamedDecls("class foo;", "class foo;", Lang_CXX11);
|
|
EXPECT_TRUE(testStructuralMatch(t));
|
|
}
|
|
|
|
TEST_F(StructuralEquivalenceRecordTest,
|
|
FwdDeclRecordShouldBeEqualWithRecordWhichHasDefinition) {
|
|
auto t =
|
|
makeNamedDecls("class foo;", "class foo { int A; };", Lang_CXX11);
|
|
EXPECT_TRUE(testStructuralMatch(t));
|
|
}
|
|
|
|
TEST_F(StructuralEquivalenceRecordTest,
|
|
RecordShouldBeEqualWithRecordWhichHasDefinition) {
|
|
auto t = makeNamedDecls("class foo { int A; };", "class foo { int A; };",
|
|
Lang_CXX11);
|
|
EXPECT_TRUE(testStructuralMatch(t));
|
|
}
|
|
|
|
TEST_F(StructuralEquivalenceRecordTest, RecordsWithDifferentBody) {
|
|
auto t = makeNamedDecls("class foo { int B; };", "class foo { int A; };",
|
|
Lang_CXX11);
|
|
EXPECT_FALSE(testStructuralMatch(t));
|
|
}
|
|
|
|
TEST_F(StructuralEquivalenceTest, CompareSameDeclWithMultiple) {
|
|
auto t = makeNamedDecls(
|
|
"struct A{ }; struct B{ }; void foo(A a, A b);",
|
|
"struct A{ }; struct B{ }; void foo(A a, B b);",
|
|
Lang_CXX);
|
|
EXPECT_FALSE(testStructuralMatch(t));
|
|
}
|
|
|
|
struct StructuralEquivalenceEnumTest : StructuralEquivalenceTest {};
|
|
|
|
TEST_F(StructuralEquivalenceEnumTest, FwdDeclEnumShouldBeEqualWithFwdDeclEnum) {
|
|
auto t = makeNamedDecls("enum class foo;", "enum class foo;", Lang_CXX11);
|
|
EXPECT_TRUE(testStructuralMatch(t));
|
|
}
|
|
|
|
TEST_F(StructuralEquivalenceEnumTest,
|
|
FwdDeclEnumShouldBeEqualWithEnumWhichHasDefinition) {
|
|
auto t =
|
|
makeNamedDecls("enum class foo;", "enum class foo { A };", Lang_CXX11);
|
|
EXPECT_TRUE(testStructuralMatch(t));
|
|
}
|
|
|
|
TEST_F(StructuralEquivalenceEnumTest,
|
|
EnumShouldBeEqualWithEnumWhichHasDefinition) {
|
|
auto t = makeNamedDecls("enum class foo { A };", "enum class foo { A };",
|
|
Lang_CXX11);
|
|
EXPECT_TRUE(testStructuralMatch(t));
|
|
}
|
|
|
|
TEST_F(StructuralEquivalenceEnumTest, EnumsWithDifferentBody) {
|
|
auto t = makeNamedDecls("enum class foo { B };", "enum class foo { A };",
|
|
Lang_CXX11);
|
|
EXPECT_FALSE(testStructuralMatch(t));
|
|
}
|
|
|
|
struct StructuralEquivalenceTemplateTest : StructuralEquivalenceTest {};
|
|
|
|
TEST_F(StructuralEquivalenceTemplateTest, ExactlySameTemplates) {
|
|
auto t = makeNamedDecls("template <class T> struct foo;",
|
|
"template <class T> struct foo;", Lang_CXX);
|
|
EXPECT_TRUE(testStructuralMatch(t));
|
|
}
|
|
|
|
TEST_F(StructuralEquivalenceTemplateTest, DifferentTemplateArgName) {
|
|
auto t = makeNamedDecls("template <class T> struct foo;",
|
|
"template <class U> struct foo;", Lang_CXX);
|
|
EXPECT_TRUE(testStructuralMatch(t));
|
|
}
|
|
|
|
TEST_F(StructuralEquivalenceTemplateTest, DifferentTemplateArgKind) {
|
|
auto t = makeNamedDecls("template <class T> struct foo;",
|
|
"template <int T> struct foo;", Lang_CXX);
|
|
EXPECT_FALSE(testStructuralMatch(t));
|
|
}
|
|
|
|
} // end namespace ast_matchers
|
|
} // end namespace clang
|