| //===-- TestTypeSystemClang.cpp -------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "Plugins/ExpressionParser/Clang/ClangUtil.h" |
| #include "Plugins/TypeSystem/Clang/TypeSystemClang.h" |
| #include "TestingSupport/SubsystemRAII.h" |
| #include "TestingSupport/Symbol/ClangTestUtils.h" |
| #include "lldb/Host/FileSystem.h" |
| #include "lldb/Host/HostInfo.h" |
| #include "lldb/Symbol/Declaration.h" |
| #include "clang/AST/DeclCXX.h" |
| #include "clang/AST/DeclObjC.h" |
| #include "clang/AST/ExprCXX.h" |
| #include "gtest/gtest.h" |
| |
| using namespace clang; |
| using namespace lldb; |
| using namespace lldb_private; |
| |
| class TestTypeSystemClang : public testing::Test { |
| public: |
| SubsystemRAII<FileSystem, HostInfo> subsystems; |
| |
| void SetUp() override { |
| m_ast.reset( |
| new TypeSystemClang("test ASTContext", HostInfo::GetTargetTriple())); |
| } |
| |
| void TearDown() override { m_ast.reset(); } |
| |
| protected: |
| std::unique_ptr<TypeSystemClang> m_ast; |
| |
| QualType GetBasicQualType(BasicType type) const { |
| return ClangUtil::GetQualType(m_ast->GetBasicTypeFromAST(type)); |
| } |
| |
| QualType GetBasicQualType(const char *name) const { |
| return ClangUtil::GetQualType( |
| m_ast->GetBuiltinTypeByName(ConstString(name))); |
| } |
| }; |
| |
| TEST_F(TestTypeSystemClang, TestGetBasicTypeFromEnum) { |
| clang::ASTContext &context = m_ast->getASTContext(); |
| |
| EXPECT_TRUE( |
| context.hasSameType(GetBasicQualType(eBasicTypeBool), context.BoolTy)); |
| EXPECT_TRUE( |
| context.hasSameType(GetBasicQualType(eBasicTypeChar), context.CharTy)); |
| EXPECT_TRUE(context.hasSameType(GetBasicQualType(eBasicTypeChar16), |
| context.Char16Ty)); |
| EXPECT_TRUE(context.hasSameType(GetBasicQualType(eBasicTypeChar32), |
| context.Char32Ty)); |
| EXPECT_TRUE(context.hasSameType(GetBasicQualType(eBasicTypeDouble), |
| context.DoubleTy)); |
| EXPECT_TRUE(context.hasSameType(GetBasicQualType(eBasicTypeDoubleComplex), |
| context.DoubleComplexTy)); |
| EXPECT_TRUE( |
| context.hasSameType(GetBasicQualType(eBasicTypeFloat), context.FloatTy)); |
| EXPECT_TRUE(context.hasSameType(GetBasicQualType(eBasicTypeFloatComplex), |
| context.FloatComplexTy)); |
| EXPECT_TRUE( |
| context.hasSameType(GetBasicQualType(eBasicTypeHalf), context.HalfTy)); |
| EXPECT_TRUE( |
| context.hasSameType(GetBasicQualType(eBasicTypeInt), context.IntTy)); |
| EXPECT_TRUE(context.hasSameType(GetBasicQualType(eBasicTypeInt128), |
| context.Int128Ty)); |
| EXPECT_TRUE( |
| context.hasSameType(GetBasicQualType(eBasicTypeLong), context.LongTy)); |
| EXPECT_TRUE(context.hasSameType(GetBasicQualType(eBasicTypeLongDouble), |
| context.LongDoubleTy)); |
| EXPECT_TRUE(context.hasSameType(GetBasicQualType(eBasicTypeLongDoubleComplex), |
| context.LongDoubleComplexTy)); |
| EXPECT_TRUE(context.hasSameType(GetBasicQualType(eBasicTypeLongLong), |
| context.LongLongTy)); |
| EXPECT_TRUE(context.hasSameType(GetBasicQualType(eBasicTypeNullPtr), |
| context.NullPtrTy)); |
| EXPECT_TRUE(context.hasSameType(GetBasicQualType(eBasicTypeObjCClass), |
| context.getObjCClassType())); |
| EXPECT_TRUE(context.hasSameType(GetBasicQualType(eBasicTypeObjCID), |
| context.getObjCIdType())); |
| EXPECT_TRUE(context.hasSameType(GetBasicQualType(eBasicTypeObjCSel), |
| context.getObjCSelType())); |
| EXPECT_TRUE( |
| context.hasSameType(GetBasicQualType(eBasicTypeShort), context.ShortTy)); |
| EXPECT_TRUE(context.hasSameType(GetBasicQualType(eBasicTypeSignedChar), |
| context.SignedCharTy)); |
| EXPECT_TRUE(context.hasSameType(GetBasicQualType(eBasicTypeUnsignedChar), |
| context.UnsignedCharTy)); |
| EXPECT_TRUE(context.hasSameType(GetBasicQualType(eBasicTypeUnsignedInt), |
| context.UnsignedIntTy)); |
| EXPECT_TRUE(context.hasSameType(GetBasicQualType(eBasicTypeUnsignedInt128), |
| context.UnsignedInt128Ty)); |
| EXPECT_TRUE(context.hasSameType(GetBasicQualType(eBasicTypeUnsignedLong), |
| context.UnsignedLongTy)); |
| EXPECT_TRUE(context.hasSameType(GetBasicQualType(eBasicTypeUnsignedLongLong), |
| context.UnsignedLongLongTy)); |
| EXPECT_TRUE(context.hasSameType(GetBasicQualType(eBasicTypeUnsignedShort), |
| context.UnsignedShortTy)); |
| EXPECT_TRUE( |
| context.hasSameType(GetBasicQualType(eBasicTypeVoid), context.VoidTy)); |
| EXPECT_TRUE( |
| context.hasSameType(GetBasicQualType(eBasicTypeWChar), context.WCharTy)); |
| } |
| |
| TEST_F(TestTypeSystemClang, TestGetBasicTypeFromName) { |
| EXPECT_EQ(GetBasicQualType(eBasicTypeChar), GetBasicQualType("char")); |
| EXPECT_EQ(GetBasicQualType(eBasicTypeSignedChar), |
| GetBasicQualType("signed char")); |
| EXPECT_EQ(GetBasicQualType(eBasicTypeUnsignedChar), |
| GetBasicQualType("unsigned char")); |
| EXPECT_EQ(GetBasicQualType(eBasicTypeWChar), GetBasicQualType("wchar_t")); |
| EXPECT_EQ(GetBasicQualType(eBasicTypeSignedWChar), |
| GetBasicQualType("signed wchar_t")); |
| EXPECT_EQ(GetBasicQualType(eBasicTypeUnsignedWChar), |
| GetBasicQualType("unsigned wchar_t")); |
| EXPECT_EQ(GetBasicQualType(eBasicTypeShort), GetBasicQualType("short")); |
| EXPECT_EQ(GetBasicQualType(eBasicTypeShort), GetBasicQualType("short int")); |
| EXPECT_EQ(GetBasicQualType(eBasicTypeUnsignedShort), |
| GetBasicQualType("unsigned short")); |
| EXPECT_EQ(GetBasicQualType(eBasicTypeUnsignedShort), |
| GetBasicQualType("unsigned short int")); |
| EXPECT_EQ(GetBasicQualType(eBasicTypeInt), GetBasicQualType("int")); |
| EXPECT_EQ(GetBasicQualType(eBasicTypeInt), GetBasicQualType("signed int")); |
| EXPECT_EQ(GetBasicQualType(eBasicTypeUnsignedInt), |
| GetBasicQualType("unsigned int")); |
| EXPECT_EQ(GetBasicQualType(eBasicTypeUnsignedInt), |
| GetBasicQualType("unsigned")); |
| EXPECT_EQ(GetBasicQualType(eBasicTypeLong), GetBasicQualType("long")); |
| EXPECT_EQ(GetBasicQualType(eBasicTypeLong), GetBasicQualType("long int")); |
| EXPECT_EQ(GetBasicQualType(eBasicTypeUnsignedLong), |
| GetBasicQualType("unsigned long")); |
| EXPECT_EQ(GetBasicQualType(eBasicTypeUnsignedLong), |
| GetBasicQualType("unsigned long int")); |
| EXPECT_EQ(GetBasicQualType(eBasicTypeLongLong), |
| GetBasicQualType("long long")); |
| EXPECT_EQ(GetBasicQualType(eBasicTypeLongLong), |
| GetBasicQualType("long long int")); |
| EXPECT_EQ(GetBasicQualType(eBasicTypeUnsignedLongLong), |
| GetBasicQualType("unsigned long long")); |
| EXPECT_EQ(GetBasicQualType(eBasicTypeUnsignedLongLong), |
| GetBasicQualType("unsigned long long int")); |
| EXPECT_EQ(GetBasicQualType(eBasicTypeInt128), GetBasicQualType("__int128_t")); |
| EXPECT_EQ(GetBasicQualType(eBasicTypeUnsignedInt128), |
| GetBasicQualType("__uint128_t")); |
| EXPECT_EQ(GetBasicQualType(eBasicTypeVoid), GetBasicQualType("void")); |
| EXPECT_EQ(GetBasicQualType(eBasicTypeBool), GetBasicQualType("bool")); |
| EXPECT_EQ(GetBasicQualType(eBasicTypeFloat), GetBasicQualType("float")); |
| EXPECT_EQ(GetBasicQualType(eBasicTypeDouble), GetBasicQualType("double")); |
| EXPECT_EQ(GetBasicQualType(eBasicTypeLongDouble), |
| GetBasicQualType("long double")); |
| EXPECT_EQ(GetBasicQualType(eBasicTypeObjCID), GetBasicQualType("id")); |
| EXPECT_EQ(GetBasicQualType(eBasicTypeObjCSel), GetBasicQualType("SEL")); |
| EXPECT_EQ(GetBasicQualType(eBasicTypeNullPtr), GetBasicQualType("nullptr")); |
| } |
| |
| void VerifyEncodingAndBitSize(TypeSystemClang &clang_context, |
| lldb::Encoding encoding, unsigned int bit_size) { |
| clang::ASTContext &context = clang_context.getASTContext(); |
| |
| CompilerType type = |
| clang_context.GetBuiltinTypeForEncodingAndBitSize(encoding, bit_size); |
| EXPECT_TRUE(type.IsValid()); |
| |
| QualType qtype = ClangUtil::GetQualType(type); |
| EXPECT_FALSE(qtype.isNull()); |
| if (qtype.isNull()) |
| return; |
| |
| uint64_t actual_size = context.getTypeSize(qtype); |
| EXPECT_EQ(bit_size, actual_size); |
| |
| const clang::Type *type_ptr = qtype.getTypePtr(); |
| EXPECT_NE(nullptr, type_ptr); |
| if (!type_ptr) |
| return; |
| |
| EXPECT_TRUE(type_ptr->isBuiltinType()); |
| switch (encoding) { |
| case eEncodingSint: |
| EXPECT_TRUE(type_ptr->isSignedIntegerType()); |
| break; |
| case eEncodingUint: |
| EXPECT_TRUE(type_ptr->isUnsignedIntegerType()); |
| break; |
| case eEncodingIEEE754: |
| EXPECT_TRUE(type_ptr->isFloatingType()); |
| break; |
| default: |
| FAIL() << "Unexpected encoding"; |
| break; |
| } |
| } |
| |
| TEST_F(TestTypeSystemClang, TestBuiltinTypeForEncodingAndBitSize) { |
| // Make sure we can get types of every possible size in every possible |
| // encoding. |
| // We can't make any guarantee about which specific type we get, because the |
| // standard |
| // isn't that specific. We only need to make sure the compiler hands us some |
| // type that |
| // is both a builtin type and matches the requested bit size. |
| VerifyEncodingAndBitSize(*m_ast, eEncodingSint, 8); |
| VerifyEncodingAndBitSize(*m_ast, eEncodingSint, 16); |
| VerifyEncodingAndBitSize(*m_ast, eEncodingSint, 32); |
| VerifyEncodingAndBitSize(*m_ast, eEncodingSint, 64); |
| VerifyEncodingAndBitSize(*m_ast, eEncodingSint, 128); |
| |
| VerifyEncodingAndBitSize(*m_ast, eEncodingUint, 8); |
| VerifyEncodingAndBitSize(*m_ast, eEncodingUint, 16); |
| VerifyEncodingAndBitSize(*m_ast, eEncodingUint, 32); |
| VerifyEncodingAndBitSize(*m_ast, eEncodingUint, 64); |
| VerifyEncodingAndBitSize(*m_ast, eEncodingUint, 128); |
| |
| VerifyEncodingAndBitSize(*m_ast, eEncodingIEEE754, 32); |
| VerifyEncodingAndBitSize(*m_ast, eEncodingIEEE754, 64); |
| } |
| |
| TEST_F(TestTypeSystemClang, TestDisplayName) { |
| TypeSystemClang ast("some name", llvm::Triple()); |
| EXPECT_EQ("some name", ast.getDisplayName()); |
| } |
| |
| TEST_F(TestTypeSystemClang, TestDisplayNameEmpty) { |
| TypeSystemClang ast("", llvm::Triple()); |
| EXPECT_EQ("", ast.getDisplayName()); |
| } |
| |
| TEST_F(TestTypeSystemClang, TestGetEnumIntegerTypeInvalid) { |
| EXPECT_FALSE(m_ast->GetEnumerationIntegerType(CompilerType()).IsValid()); |
| } |
| |
| TEST_F(TestTypeSystemClang, TestGetEnumIntegerTypeUnexpectedType) { |
| CompilerType int_type = m_ast->GetBasicType(lldb::eBasicTypeInt); |
| CompilerType t = m_ast->GetEnumerationIntegerType(int_type); |
| EXPECT_FALSE(t.IsValid()); |
| } |
| |
| TEST_F(TestTypeSystemClang, TestGetEnumIntegerTypeBasicTypes) { |
| // All possible underlying integer types of enums. |
| const std::vector<lldb::BasicType> types_to_test = { |
| eBasicTypeInt, eBasicTypeUnsignedInt, eBasicTypeLong, |
| eBasicTypeUnsignedLong, eBasicTypeLongLong, eBasicTypeUnsignedLongLong, |
| }; |
| |
| for (bool scoped : {true, false}) { |
| SCOPED_TRACE("scoped: " + std::to_string(scoped)); |
| for (lldb::BasicType basic_type : types_to_test) { |
| SCOPED_TRACE(std::to_string(basic_type)); |
| |
| TypeSystemClang ast("enum_ast", HostInfo::GetTargetTriple()); |
| CompilerType basic_compiler_type = ast.GetBasicType(basic_type); |
| EXPECT_TRUE(basic_compiler_type.IsValid()); |
| |
| CompilerType enum_type = ast.CreateEnumerationType( |
| "my_enum", ast.GetTranslationUnitDecl(), OptionalClangModuleID(), |
| Declaration(), basic_compiler_type, scoped); |
| |
| CompilerType t = ast.GetEnumerationIntegerType(enum_type); |
| // Check that the type we put in at the start is found again. |
| EXPECT_EQ(basic_compiler_type.GetTypeName(), t.GetTypeName()); |
| } |
| } |
| } |
| |
| TEST_F(TestTypeSystemClang, TestOwningModule) { |
| TypeSystemClang ast("module_ast", HostInfo::GetTargetTriple()); |
| CompilerType basic_compiler_type = ast.GetBasicType(BasicType::eBasicTypeInt); |
| CompilerType enum_type = ast.CreateEnumerationType( |
| "my_enum", ast.GetTranslationUnitDecl(), OptionalClangModuleID(100), |
| Declaration(), basic_compiler_type, false); |
| auto *ed = TypeSystemClang::GetAsEnumDecl(enum_type); |
| EXPECT_FALSE(!ed); |
| EXPECT_EQ(ed->getOwningModuleID(), 100u); |
| |
| CompilerType record_type = ast.CreateRecordType( |
| nullptr, OptionalClangModuleID(200), lldb::eAccessPublic, "FooRecord", |
| clang::TTK_Struct, lldb::eLanguageTypeC_plus_plus, nullptr); |
| auto *rd = TypeSystemClang::GetAsRecordDecl(record_type); |
| EXPECT_FALSE(!rd); |
| EXPECT_EQ(rd->getOwningModuleID(), 200u); |
| |
| CompilerType class_type = |
| ast.CreateObjCClass("objc_class", ast.GetTranslationUnitDecl(), |
| OptionalClangModuleID(300), false, false); |
| auto *cd = TypeSystemClang::GetAsObjCInterfaceDecl(class_type); |
| EXPECT_FALSE(!cd); |
| EXPECT_EQ(cd->getOwningModuleID(), 300u); |
| } |
| |
| TEST_F(TestTypeSystemClang, TestIsClangType) { |
| clang::ASTContext &context = m_ast->getASTContext(); |
| lldb::opaque_compiler_type_t bool_ctype = |
| TypeSystemClang::GetOpaqueCompilerType(&context, lldb::eBasicTypeBool); |
| CompilerType bool_type(m_ast.get(), bool_ctype); |
| CompilerType record_type = m_ast->CreateRecordType( |
| nullptr, OptionalClangModuleID(100), lldb::eAccessPublic, "FooRecord", |
| clang::TTK_Struct, lldb::eLanguageTypeC_plus_plus, nullptr); |
| // Clang builtin type and record type should pass |
| EXPECT_TRUE(ClangUtil::IsClangType(bool_type)); |
| EXPECT_TRUE(ClangUtil::IsClangType(record_type)); |
| |
| // Default constructed type should fail |
| EXPECT_FALSE(ClangUtil::IsClangType(CompilerType())); |
| } |
| |
| TEST_F(TestTypeSystemClang, TestRemoveFastQualifiers) { |
| CompilerType record_type = m_ast->CreateRecordType( |
| nullptr, OptionalClangModuleID(), lldb::eAccessPublic, "FooRecord", |
| clang::TTK_Struct, lldb::eLanguageTypeC_plus_plus, nullptr); |
| QualType qt; |
| |
| qt = ClangUtil::GetQualType(record_type); |
| EXPECT_EQ(0u, qt.getLocalFastQualifiers()); |
| record_type = record_type.AddConstModifier(); |
| record_type = record_type.AddVolatileModifier(); |
| record_type = record_type.AddRestrictModifier(); |
| qt = ClangUtil::GetQualType(record_type); |
| EXPECT_NE(0u, qt.getLocalFastQualifiers()); |
| record_type = ClangUtil::RemoveFastQualifiers(record_type); |
| qt = ClangUtil::GetQualType(record_type); |
| EXPECT_EQ(0u, qt.getLocalFastQualifiers()); |
| } |
| |
| TEST_F(TestTypeSystemClang, TestConvertAccessTypeToAccessSpecifier) { |
| EXPECT_EQ(AS_none, |
| TypeSystemClang::ConvertAccessTypeToAccessSpecifier(eAccessNone)); |
| EXPECT_EQ(AS_none, TypeSystemClang::ConvertAccessTypeToAccessSpecifier( |
| eAccessPackage)); |
| EXPECT_EQ(AS_public, |
| TypeSystemClang::ConvertAccessTypeToAccessSpecifier(eAccessPublic)); |
| EXPECT_EQ(AS_private, TypeSystemClang::ConvertAccessTypeToAccessSpecifier( |
| eAccessPrivate)); |
| EXPECT_EQ(AS_protected, TypeSystemClang::ConvertAccessTypeToAccessSpecifier( |
| eAccessProtected)); |
| } |
| |
| TEST_F(TestTypeSystemClang, TestUnifyAccessSpecifiers) { |
| // Unifying two of the same type should return the same type |
| EXPECT_EQ(AS_public, |
| TypeSystemClang::UnifyAccessSpecifiers(AS_public, AS_public)); |
| EXPECT_EQ(AS_private, |
| TypeSystemClang::UnifyAccessSpecifiers(AS_private, AS_private)); |
| EXPECT_EQ(AS_protected, |
| TypeSystemClang::UnifyAccessSpecifiers(AS_protected, AS_protected)); |
| |
| // Otherwise the result should be the strictest of the two. |
| EXPECT_EQ(AS_private, |
| TypeSystemClang::UnifyAccessSpecifiers(AS_private, AS_public)); |
| EXPECT_EQ(AS_private, |
| TypeSystemClang::UnifyAccessSpecifiers(AS_private, AS_protected)); |
| EXPECT_EQ(AS_private, |
| TypeSystemClang::UnifyAccessSpecifiers(AS_public, AS_private)); |
| EXPECT_EQ(AS_private, |
| TypeSystemClang::UnifyAccessSpecifiers(AS_protected, AS_private)); |
| EXPECT_EQ(AS_protected, |
| TypeSystemClang::UnifyAccessSpecifiers(AS_protected, AS_public)); |
| EXPECT_EQ(AS_protected, |
| TypeSystemClang::UnifyAccessSpecifiers(AS_public, AS_protected)); |
| |
| // None is stricter than everything (by convention) |
| EXPECT_EQ(AS_none, |
| TypeSystemClang::UnifyAccessSpecifiers(AS_none, AS_public)); |
| EXPECT_EQ(AS_none, |
| TypeSystemClang::UnifyAccessSpecifiers(AS_none, AS_protected)); |
| EXPECT_EQ(AS_none, |
| TypeSystemClang::UnifyAccessSpecifiers(AS_none, AS_private)); |
| EXPECT_EQ(AS_none, |
| TypeSystemClang::UnifyAccessSpecifiers(AS_public, AS_none)); |
| EXPECT_EQ(AS_none, |
| TypeSystemClang::UnifyAccessSpecifiers(AS_protected, AS_none)); |
| EXPECT_EQ(AS_none, |
| TypeSystemClang::UnifyAccessSpecifiers(AS_private, AS_none)); |
| } |
| |
| TEST_F(TestTypeSystemClang, TestRecordHasFields) { |
| CompilerType int_type = m_ast->GetBasicType(eBasicTypeInt); |
| |
| // Test that a record with no fields returns false |
| CompilerType empty_base = m_ast->CreateRecordType( |
| nullptr, OptionalClangModuleID(), lldb::eAccessPublic, "EmptyBase", |
| clang::TTK_Struct, lldb::eLanguageTypeC_plus_plus, nullptr); |
| TypeSystemClang::StartTagDeclarationDefinition(empty_base); |
| TypeSystemClang::CompleteTagDeclarationDefinition(empty_base); |
| |
| RecordDecl *empty_base_decl = TypeSystemClang::GetAsRecordDecl(empty_base); |
| EXPECT_NE(nullptr, empty_base_decl); |
| EXPECT_FALSE(TypeSystemClang::RecordHasFields(empty_base_decl)); |
| |
| // Test that a record with direct fields returns true |
| CompilerType non_empty_base = m_ast->CreateRecordType( |
| nullptr, OptionalClangModuleID(), lldb::eAccessPublic, "NonEmptyBase", |
| clang::TTK_Struct, lldb::eLanguageTypeC_plus_plus, nullptr); |
| TypeSystemClang::StartTagDeclarationDefinition(non_empty_base); |
| FieldDecl *non_empty_base_field_decl = m_ast->AddFieldToRecordType( |
| non_empty_base, "MyField", int_type, eAccessPublic, 0); |
| TypeSystemClang::CompleteTagDeclarationDefinition(non_empty_base); |
| RecordDecl *non_empty_base_decl = |
| TypeSystemClang::GetAsRecordDecl(non_empty_base); |
| EXPECT_NE(nullptr, non_empty_base_decl); |
| EXPECT_NE(nullptr, non_empty_base_field_decl); |
| EXPECT_TRUE(TypeSystemClang::RecordHasFields(non_empty_base_decl)); |
| |
| std::vector<std::unique_ptr<clang::CXXBaseSpecifier>> bases; |
| |
| // Test that a record with no direct fields, but fields in a base returns true |
| CompilerType empty_derived = m_ast->CreateRecordType( |
| nullptr, OptionalClangModuleID(), lldb::eAccessPublic, "EmptyDerived", |
| clang::TTK_Struct, lldb::eLanguageTypeC_plus_plus, nullptr); |
| TypeSystemClang::StartTagDeclarationDefinition(empty_derived); |
| std::unique_ptr<clang::CXXBaseSpecifier> non_empty_base_spec = |
| m_ast->CreateBaseClassSpecifier(non_empty_base.GetOpaqueQualType(), |
| lldb::eAccessPublic, false, false); |
| bases.push_back(std::move(non_empty_base_spec)); |
| bool result = m_ast->TransferBaseClasses(empty_derived.GetOpaqueQualType(), |
| std::move(bases)); |
| TypeSystemClang::CompleteTagDeclarationDefinition(empty_derived); |
| EXPECT_TRUE(result); |
| CXXRecordDecl *empty_derived_non_empty_base_cxx_decl = |
| m_ast->GetAsCXXRecordDecl(empty_derived.GetOpaqueQualType()); |
| RecordDecl *empty_derived_non_empty_base_decl = |
| TypeSystemClang::GetAsRecordDecl(empty_derived); |
| EXPECT_EQ(1u, TypeSystemClang::GetNumBaseClasses( |
| empty_derived_non_empty_base_cxx_decl, false)); |
| EXPECT_TRUE( |
| TypeSystemClang::RecordHasFields(empty_derived_non_empty_base_decl)); |
| |
| // Test that a record with no direct fields, but fields in a virtual base |
| // returns true |
| CompilerType empty_derived2 = m_ast->CreateRecordType( |
| nullptr, OptionalClangModuleID(), lldb::eAccessPublic, "EmptyDerived2", |
| clang::TTK_Struct, lldb::eLanguageTypeC_plus_plus, nullptr); |
| TypeSystemClang::StartTagDeclarationDefinition(empty_derived2); |
| std::unique_ptr<CXXBaseSpecifier> non_empty_vbase_spec = |
| m_ast->CreateBaseClassSpecifier(non_empty_base.GetOpaqueQualType(), |
| lldb::eAccessPublic, true, false); |
| bases.push_back(std::move(non_empty_vbase_spec)); |
| result = m_ast->TransferBaseClasses(empty_derived2.GetOpaqueQualType(), |
| std::move(bases)); |
| TypeSystemClang::CompleteTagDeclarationDefinition(empty_derived2); |
| EXPECT_TRUE(result); |
| CXXRecordDecl *empty_derived_non_empty_vbase_cxx_decl = |
| m_ast->GetAsCXXRecordDecl(empty_derived2.GetOpaqueQualType()); |
| RecordDecl *empty_derived_non_empty_vbase_decl = |
| TypeSystemClang::GetAsRecordDecl(empty_derived2); |
| EXPECT_EQ(1u, TypeSystemClang::GetNumBaseClasses( |
| empty_derived_non_empty_vbase_cxx_decl, false)); |
| EXPECT_TRUE( |
| TypeSystemClang::RecordHasFields(empty_derived_non_empty_vbase_decl)); |
| } |
| |
| TEST_F(TestTypeSystemClang, TemplateArguments) { |
| TypeSystemClang::TemplateParameterInfos infos; |
| infos.names.push_back("T"); |
| infos.args.push_back(TemplateArgument(m_ast->getASTContext().IntTy)); |
| infos.names.push_back("I"); |
| llvm::APSInt arg(llvm::APInt(8, 47)); |
| infos.args.push_back(TemplateArgument(m_ast->getASTContext(), arg, |
| m_ast->getASTContext().IntTy)); |
| |
| // template<typename T, int I> struct foo; |
| ClassTemplateDecl *decl = m_ast->CreateClassTemplateDecl( |
| m_ast->GetTranslationUnitDecl(), OptionalClangModuleID(), eAccessPublic, |
| "foo", TTK_Struct, infos); |
| ASSERT_NE(decl, nullptr); |
| |
| // foo<int, 47> |
| ClassTemplateSpecializationDecl *spec_decl = |
| m_ast->CreateClassTemplateSpecializationDecl( |
| m_ast->GetTranslationUnitDecl(), OptionalClangModuleID(), decl, |
| TTK_Struct, infos); |
| ASSERT_NE(spec_decl, nullptr); |
| CompilerType type = m_ast->CreateClassTemplateSpecializationType(spec_decl); |
| ASSERT_TRUE(type); |
| m_ast->StartTagDeclarationDefinition(type); |
| m_ast->CompleteTagDeclarationDefinition(type); |
| |
| // typedef foo<int, 47> foo_def; |
| CompilerType typedef_type = type.CreateTypedef( |
| "foo_def", m_ast->CreateDeclContext(m_ast->GetTranslationUnitDecl()), 0); |
| |
| CompilerType auto_type( |
| m_ast.get(), |
| m_ast->getASTContext() |
| .getAutoType(ClangUtil::GetCanonicalQualType(typedef_type), |
| clang::AutoTypeKeyword::Auto, false) |
| .getAsOpaquePtr()); |
| |
| CompilerType int_type(m_ast.get(), |
| m_ast->getASTContext().IntTy.getAsOpaquePtr()); |
| for (CompilerType t : {type, typedef_type, auto_type}) { |
| SCOPED_TRACE(t.GetTypeName().AsCString()); |
| |
| EXPECT_EQ(m_ast->GetTemplateArgumentKind(t.GetOpaqueQualType(), 0), |
| eTemplateArgumentKindType); |
| EXPECT_EQ(m_ast->GetTypeTemplateArgument(t.GetOpaqueQualType(), 0), |
| int_type); |
| EXPECT_EQ(llvm::None, |
| m_ast->GetIntegralTemplateArgument(t.GetOpaqueQualType(), 0)); |
| |
| EXPECT_EQ(m_ast->GetTemplateArgumentKind(t.GetOpaqueQualType(), 1), |
| eTemplateArgumentKindIntegral); |
| EXPECT_EQ(m_ast->GetTypeTemplateArgument(t.GetOpaqueQualType(), 1), |
| CompilerType()); |
| auto result = m_ast->GetIntegralTemplateArgument(t.GetOpaqueQualType(), 1); |
| ASSERT_NE(llvm::None, result); |
| EXPECT_EQ(arg, result->value); |
| EXPECT_EQ(int_type, result->type); |
| } |
| } |
| |
| TEST_F(TestTypeSystemClang, OnlyPackName) { |
| TypeSystemClang::TemplateParameterInfos infos; |
| infos.pack_name = "A"; |
| EXPECT_FALSE(infos.IsValid()); |
| } |
| |
| static QualType makeConstInt(clang::ASTContext &ctxt) { |
| QualType result(ctxt.IntTy); |
| result.addConst(); |
| return result; |
| } |
| |
| TEST_F(TestTypeSystemClang, TestGetTypeClassDeclType) { |
| clang::ASTContext &ctxt = m_ast->getASTContext(); |
| auto *nullptr_expr = new (ctxt) CXXNullPtrLiteralExpr(ctxt.NullPtrTy, SourceLocation()); |
| QualType t = ctxt.getDecltypeType(nullptr_expr, makeConstInt(ctxt)); |
| EXPECT_EQ(lldb::eTypeClassBuiltin, m_ast->GetTypeClass(t.getAsOpaquePtr())); |
| } |
| |
| TEST_F(TestTypeSystemClang, TestGetTypeClassTypeOf) { |
| clang::ASTContext &ctxt = m_ast->getASTContext(); |
| QualType t = ctxt.getTypeOfType(makeConstInt(ctxt)); |
| EXPECT_EQ(lldb::eTypeClassBuiltin, m_ast->GetTypeClass(t.getAsOpaquePtr())); |
| } |
| |
| TEST_F(TestTypeSystemClang, TestGetTypeClassTypeOfExpr) { |
| clang::ASTContext &ctxt = m_ast->getASTContext(); |
| auto *nullptr_expr = new (ctxt) CXXNullPtrLiteralExpr(ctxt.NullPtrTy, SourceLocation()); |
| QualType t = ctxt.getTypeOfExprType(nullptr_expr); |
| EXPECT_EQ(lldb::eTypeClassBuiltin, m_ast->GetTypeClass(t.getAsOpaquePtr())); |
| } |
| |
| TEST_F(TestTypeSystemClang, TestGetTypeClassNested) { |
| clang::ASTContext &ctxt = m_ast->getASTContext(); |
| QualType t_base = ctxt.getTypeOfType(makeConstInt(ctxt)); |
| QualType t = ctxt.getTypeOfType(t_base); |
| EXPECT_EQ(lldb::eTypeClassBuiltin, m_ast->GetTypeClass(t.getAsOpaquePtr())); |
| } |
| |
| TEST_F(TestTypeSystemClang, TestFunctionTemplateConstruction) { |
| // Tests creating a function template. |
| |
| CompilerType int_type = m_ast->GetBasicType(lldb::eBasicTypeInt); |
| clang::TranslationUnitDecl *TU = m_ast->GetTranslationUnitDecl(); |
| |
| // Prepare the declarations/types we need for the template. |
| CompilerType clang_type = |
| m_ast->CreateFunctionType(int_type, nullptr, 0U, false, 0U); |
| FunctionDecl *func = m_ast->CreateFunctionDeclaration( |
| TU, OptionalClangModuleID(), "foo", clang_type, StorageClass::SC_None, |
| false); |
| TypeSystemClang::TemplateParameterInfos empty_params; |
| |
| // Create the actual function template. |
| clang::FunctionTemplateDecl *func_template = |
| m_ast->CreateFunctionTemplateDecl(TU, OptionalClangModuleID(), func, |
| empty_params); |
| |
| EXPECT_EQ(TU, func_template->getDeclContext()); |
| EXPECT_EQ("foo", func_template->getName()); |
| EXPECT_EQ(clang::AccessSpecifier::AS_none, func_template->getAccess()); |
| } |
| |
| TEST_F(TestTypeSystemClang, TestFunctionTemplateInRecordConstruction) { |
| // Tests creating a function template inside a record. |
| |
| CompilerType int_type = m_ast->GetBasicType(lldb::eBasicTypeInt); |
| clang::TranslationUnitDecl *TU = m_ast->GetTranslationUnitDecl(); |
| |
| // Create a record we can put the function template int. |
| CompilerType record_type = |
| clang_utils::createRecordWithField(*m_ast, "record", int_type, "field"); |
| clang::TagDecl *record = ClangUtil::GetAsTagDecl(record_type); |
| |
| // Prepare the declarations/types we need for the template. |
| CompilerType clang_type = |
| m_ast->CreateFunctionType(int_type, nullptr, 0U, false, 0U); |
| // We create the FunctionDecl for the template in the TU DeclContext because: |
| // 1. FunctionDecls can't be in a Record (only CXXMethodDecls can). |
| // 2. It is mirroring the behavior of DWARFASTParserClang::ParseSubroutine. |
| FunctionDecl *func = m_ast->CreateFunctionDeclaration( |
| TU, OptionalClangModuleID(), "foo", clang_type, StorageClass::SC_None, |
| false); |
| TypeSystemClang::TemplateParameterInfos empty_params; |
| |
| // Create the actual function template. |
| clang::FunctionTemplateDecl *func_template = |
| m_ast->CreateFunctionTemplateDecl(record, OptionalClangModuleID(), func, |
| empty_params); |
| |
| EXPECT_EQ(record, func_template->getDeclContext()); |
| EXPECT_EQ("foo", func_template->getName()); |
| EXPECT_EQ(clang::AccessSpecifier::AS_public, func_template->getAccess()); |
| } |
| |
| TEST_F(TestTypeSystemClang, TestDeletingImplicitCopyCstrDueToMoveCStr) { |
| // We need to simulate this behavior in our AST that we construct as we don't |
| // have a Sema instance that can do this for us: |
| // C++11 [class.copy]p7, p18: |
| // If the class definition declares a move constructor or move assignment |
| // operator, an implicitly declared copy constructor or copy assignment |
| // operator is defined as deleted. |
| |
| // Create a record and start defining it. |
| llvm::StringRef class_name = "S"; |
| CompilerType t = clang_utils::createRecord(*m_ast, class_name); |
| m_ast->StartTagDeclarationDefinition(t); |
| |
| // Create a move constructor that will delete the implicit copy constructor. |
| CompilerType return_type = m_ast->GetBasicType(lldb::eBasicTypeVoid); |
| CompilerType param_type = t.GetRValueReferenceType(); |
| CompilerType function_type = |
| m_ast->CreateFunctionType(return_type, ¶m_type, /*num_params*/ 1, |
| /*variadic=*/false, /*quals*/ 0U); |
| bool is_virtual = false; |
| bool is_static = false; |
| bool is_inline = false; |
| bool is_explicit = true; |
| bool is_attr_used = false; |
| bool is_artificial = false; |
| m_ast->AddMethodToCXXRecordType( |
| t.GetOpaqueQualType(), class_name, nullptr, function_type, |
| lldb::AccessType::eAccessPublic, is_virtual, is_static, is_inline, |
| is_explicit, is_attr_used, is_artificial); |
| |
| // Complete the definition and check the created record. |
| m_ast->CompleteTagDeclarationDefinition(t); |
| auto *record = llvm::cast<CXXRecordDecl>(ClangUtil::GetAsTagDecl(t)); |
| // We can't call defaultedCopyConstructorIsDeleted() as this requires that |
| // the Decl passes through Sema which will actually compute this field. |
| // Instead we check that there is no copy constructor declared by the user |
| // which only leaves a non-deleted defaulted copy constructor as an option |
| // that our record will have no simple copy constructor. |
| EXPECT_FALSE(record->hasUserDeclaredCopyConstructor()); |
| EXPECT_FALSE(record->hasSimpleCopyConstructor()); |
| } |
| |
| TEST_F(TestTypeSystemClang, TestNotDeletingUserCopyCstrDueToMoveCStr) { |
| // Tests that we don't delete the a user-defined copy constructor when |
| // a move constructor is provided. |
| // See also the TestDeletingImplicitCopyCstrDueToMoveCStr test. |
| llvm::StringRef class_name = "S"; |
| CompilerType t = clang_utils::createRecord(*m_ast, class_name); |
| m_ast->StartTagDeclarationDefinition(t); |
| |
| CompilerType return_type = m_ast->GetBasicType(lldb::eBasicTypeVoid); |
| bool is_virtual = false; |
| bool is_static = false; |
| bool is_inline = false; |
| bool is_explicit = true; |
| bool is_attr_used = false; |
| bool is_artificial = false; |
| // Create a move constructor. |
| { |
| CompilerType param_type = t.GetRValueReferenceType(); |
| CompilerType function_type = |
| m_ast->CreateFunctionType(return_type, ¶m_type, /*num_params*/ 1, |
| /*variadic=*/false, /*quals*/ 0U); |
| m_ast->AddMethodToCXXRecordType( |
| t.GetOpaqueQualType(), class_name, nullptr, function_type, |
| lldb::AccessType::eAccessPublic, is_virtual, is_static, is_inline, |
| is_explicit, is_attr_used, is_artificial); |
| } |
| // Create a copy constructor. |
| { |
| CompilerType param_type = t.GetLValueReferenceType().AddConstModifier(); |
| CompilerType function_type = |
| m_ast->CreateFunctionType(return_type, ¶m_type, /*num_params*/ 1, |
| /*variadic=*/false, /*quals*/ 0U); |
| m_ast->AddMethodToCXXRecordType( |
| t.GetOpaqueQualType(), class_name, nullptr, function_type, |
| lldb::AccessType::eAccessPublic, is_virtual, is_static, is_inline, |
| is_explicit, is_attr_used, is_artificial); |
| } |
| |
| // Complete the definition and check the created record. |
| m_ast->CompleteTagDeclarationDefinition(t); |
| auto *record = llvm::cast<CXXRecordDecl>(ClangUtil::GetAsTagDecl(t)); |
| EXPECT_TRUE(record->hasUserDeclaredCopyConstructor()); |
| } |
| |
| TEST_F(TestTypeSystemClang, AddMethodToObjCObjectType) { |
| // Create an interface decl and mark it as having external storage. |
| CompilerType c = m_ast->CreateObjCClass("A", m_ast->GetTranslationUnitDecl(), |
| OptionalClangModuleID(), |
| /*IsForwardDecl*/ false, |
| /*IsInternal*/ false); |
| ObjCInterfaceDecl *interface = m_ast->GetAsObjCInterfaceDecl(c); |
| m_ast->SetHasExternalStorage(c.GetOpaqueQualType(), true); |
| EXPECT_TRUE(interface->hasExternalLexicalStorage()); |
| |
| // Add a method to the interface. |
| std::vector<CompilerType> args; |
| CompilerType func_type = |
| m_ast->CreateFunctionType(m_ast->GetBasicType(lldb::eBasicTypeInt), |
| args.data(), args.size(), /*variadic*/ false, |
| /*quals*/ 0, clang::CallingConv::CC_C); |
| bool variadic = false; |
| bool artificial = false; |
| bool objc_direct = false; |
| clang::ObjCMethodDecl *method = TypeSystemClang::AddMethodToObjCObjectType( |
| c, "-[A foo]", func_type, lldb::eAccessPublic, artificial, variadic, |
| objc_direct); |
| ASSERT_NE(method, nullptr); |
| |
| // The interface decl should still have external lexical storage. |
| EXPECT_TRUE(interface->hasExternalLexicalStorage()); |
| |
| // Test some properties of the created ObjCMethodDecl. |
| EXPECT_FALSE(method->isVariadic()); |
| EXPECT_TRUE(method->isImplicit()); |
| EXPECT_FALSE(method->isDirectMethod()); |
| EXPECT_EQ(method->getDeclName().getObjCSelector().getAsString(), "foo"); |
| } |
| |
| TEST(TestScratchTypeSystemClang, InferSubASTFromLangOpts) { |
| LangOptions lang_opts; |
| EXPECT_EQ( |
| ScratchTypeSystemClang::DefaultAST, |
| ScratchTypeSystemClang::InferIsolatedASTKindFromLangOpts(lang_opts)); |
| |
| lang_opts.Modules = true; |
| EXPECT_EQ( |
| ScratchTypeSystemClang::IsolatedASTKind::CppModules, |
| ScratchTypeSystemClang::InferIsolatedASTKindFromLangOpts(lang_opts)); |
| } |
