//===-- ClangASTType.cpp ----------------------------------------*- C++ -*-===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// #include "lldb/lldb-python.h" #include "lldb/Symbol/ClangASTType.h" #include "clang/AST/ASTConsumer.h" #include "clang/AST/ASTContext.h" #include "clang/AST/Attr.h" #include "clang/AST/CXXInheritance.h" #include "clang/AST/Decl.h" #include "clang/AST/DeclCXX.h" #include "clang/AST/DeclObjC.h" #include "clang/AST/DeclGroup.h" #include "clang/AST/DeclTemplate.h" #include "clang/AST/RecordLayout.h" #include "clang/AST/Type.h" #include "clang/Basic/Builtins.h" #include "clang/Basic/IdentifierTable.h" #include "clang/Basic/LangOptions.h" #include "clang/Basic/SourceManager.h" #include "clang/Basic/TargetInfo.h" #include "llvm/Support/FormattedStream.h" #include "llvm/Support/raw_ostream.h" #include "lldb/Core/ConstString.h" #include "lldb/Core/DataBufferHeap.h" #include "lldb/Core/DataExtractor.h" #include "lldb/Core/Debugger.h" #include "lldb/Core/Scalar.h" #include "lldb/Core/Stream.h" #include "lldb/Core/StreamFile.h" #include "lldb/Core/StreamString.h" #include "lldb/Symbol/ClangASTContext.h" #include "lldb/Symbol/ClangExternalASTSourceCommon.h" #include "lldb/Symbol/VerifyDecl.h" #include "lldb/Target/ExecutionContext.h" #include "lldb/Target/Process.h" #include using namespace lldb; using namespace lldb_private; using namespace clang; using namespace llvm; static bool GetCompleteQualType (ASTContext *ast, QualType qual_type, bool allow_completion = true) { const clang::Type::TypeClass type_class = qual_type->getTypeClass(); switch (type_class) { case clang::Type::ConstantArray: case clang::Type::IncompleteArray: case clang::Type::VariableArray: { const ArrayType *array_type = dyn_cast(qual_type.getTypePtr()); if (array_type) return GetCompleteQualType (ast, array_type->getElementType(), allow_completion); } break; case clang::Type::Record: case clang::Type::Enum: { const TagType *tag_type = dyn_cast(qual_type.getTypePtr()); if (tag_type) { TagDecl *tag_decl = tag_type->getDecl(); if (tag_decl) { if (tag_decl->isCompleteDefinition()) return true; if (!allow_completion) return false; if (tag_decl->hasExternalLexicalStorage()) { if (ast) { ExternalASTSource *external_ast_source = ast->getExternalSource(); if (external_ast_source) { external_ast_source->CompleteType(tag_decl); return !tag_type->isIncompleteType(); } } } return false; } } } break; case clang::Type::ObjCObject: case clang::Type::ObjCInterface: { const ObjCObjectType *objc_class_type = dyn_cast(qual_type); if (objc_class_type) { ObjCInterfaceDecl *class_interface_decl = objc_class_type->getInterface(); // We currently can't complete objective C types through the newly added ASTContext // because it only supports TagDecl objects right now... if (class_interface_decl) { if (class_interface_decl->getDefinition()) return true; if (!allow_completion) return false; if (class_interface_decl->hasExternalLexicalStorage()) { if (ast) { ExternalASTSource *external_ast_source = ast->getExternalSource(); if (external_ast_source) { external_ast_source->CompleteType (class_interface_decl); return !objc_class_type->isIncompleteType(); } } } return false; } } } break; case clang::Type::Typedef: return GetCompleteQualType (ast, cast(qual_type)->getDecl()->getUnderlyingType(), allow_completion); case clang::Type::Elaborated: return GetCompleteQualType (ast, cast(qual_type)->getNamedType(), allow_completion); case clang::Type::Paren: return GetCompleteQualType (ast, cast(qual_type)->desugar(), allow_completion); default: break; } return true; } static ObjCIvarDecl::AccessControl ConvertAccessTypeToObjCIvarAccessControl (AccessType access) { switch (access) { case eAccessNone: return ObjCIvarDecl::None; case eAccessPublic: return ObjCIvarDecl::Public; case eAccessPrivate: return ObjCIvarDecl::Private; case eAccessProtected: return ObjCIvarDecl::Protected; case eAccessPackage: return ObjCIvarDecl::Package; } return ObjCIvarDecl::None; } //---------------------------------------------------------------------- // Tests //---------------------------------------------------------------------- ClangASTType::ClangASTType (clang::ASTContext *ast, clang::QualType qual_type) : m_type (qual_type.getAsOpaquePtr()), m_ast (ast) { } ClangASTType::~ClangASTType() { } //---------------------------------------------------------------------- // Tests //---------------------------------------------------------------------- bool ClangASTType::IsAggregateType () const { if (!IsValid()) return false; QualType qual_type (GetCanonicalQualType()); const clang::Type::TypeClass type_class = qual_type->getTypeClass(); switch (type_class) { case clang::Type::IncompleteArray: case clang::Type::VariableArray: case clang::Type::ConstantArray: case clang::Type::ExtVector: case clang::Type::Vector: case clang::Type::Record: case clang::Type::ObjCObject: case clang::Type::ObjCInterface: return true; case clang::Type::Elaborated: return ClangASTType(m_ast, cast(qual_type)->getNamedType()).IsAggregateType(); case clang::Type::Typedef: return ClangASTType(m_ast, cast(qual_type)->getDecl()->getUnderlyingType()).IsAggregateType(); case clang::Type::Paren: return ClangASTType(m_ast, cast(qual_type)->desugar()).IsAggregateType(); default: break; } // The clang type does have a value return false; } bool ClangASTType::IsArrayType (ClangASTType *element_type_ptr, uint64_t *size, bool *is_incomplete) const { if (IsValid()) { QualType qual_type (GetCanonicalQualType()); const clang::Type::TypeClass type_class = qual_type->getTypeClass(); switch (type_class) { default: break; case clang::Type::ConstantArray: if (element_type_ptr) element_type_ptr->SetClangType (m_ast, cast(qual_type)->getElementType()); if (size) *size = cast(qual_type)->getSize().getLimitedValue(ULLONG_MAX); return true; case clang::Type::IncompleteArray: if (element_type_ptr) element_type_ptr->SetClangType (m_ast, cast(qual_type)->getElementType()); if (size) *size = 0; if (is_incomplete) *is_incomplete = true; return true; case clang::Type::VariableArray: if (element_type_ptr) element_type_ptr->SetClangType (m_ast, cast(qual_type)->getElementType()); if (size) *size = 0; return true; case clang::Type::DependentSizedArray: if (element_type_ptr) element_type_ptr->SetClangType (m_ast, cast(qual_type)->getElementType()); if (size) *size = 0; return true; case clang::Type::Typedef: return ClangASTType (m_ast, cast(qual_type)->getDecl()->getUnderlyingType()).IsArrayType (element_type_ptr, size, is_incomplete); case clang::Type::Elaborated: return ClangASTType (m_ast, cast(qual_type)->getNamedType()).IsArrayType (element_type_ptr, size, is_incomplete); case clang::Type::Paren: return ClangASTType (m_ast, cast(qual_type)->desugar()).IsArrayType (element_type_ptr, size, is_incomplete); } } if (element_type_ptr) element_type_ptr->Clear(); if (size) *size = 0; if (is_incomplete) *is_incomplete = false; return 0; } bool ClangASTType::IsRuntimeGeneratedType () const { if (!IsValid()) return false; clang::DeclContext* decl_ctx = GetDeclContextForType(); if (!decl_ctx) return false; if (!llvm::isa(decl_ctx)) return false; clang::ObjCInterfaceDecl *result_iface_decl = llvm::dyn_cast(decl_ctx); ClangASTMetadata* ast_metadata = ClangASTContext::GetMetadata(m_ast, result_iface_decl); if (!ast_metadata) return false; return (ast_metadata->GetISAPtr() != 0); } bool ClangASTType::IsCharType () const { if (!IsValid()) return false; return GetQualType().getUnqualifiedType()->isCharType(); } bool ClangASTType::IsCompleteType () const { if (!IsValid()) return false; const bool allow_completion = false; return GetCompleteQualType (m_ast, GetQualType(), allow_completion); } bool ClangASTType::IsConst() const { return GetQualType().isConstQualified(); } bool ClangASTType::IsCStringType (uint32_t &length) const { ClangASTType pointee_or_element_clang_type; length = 0; Flags type_flags (GetTypeInfo (&pointee_or_element_clang_type)); if (!pointee_or_element_clang_type.IsValid()) return false; if (type_flags.AnySet (eTypeIsArray | eTypeIsPointer)) { if (pointee_or_element_clang_type.IsCharType()) { if (type_flags.Test (eTypeIsArray)) { // We know the size of the array and it could be a C string // since it is an array of characters length = cast(GetCanonicalQualType().getTypePtr())->getSize().getLimitedValue(); } return true; } } return false; } bool ClangASTType::IsFunctionType (bool *is_variadic_ptr) const { if (IsValid()) { QualType qual_type (GetCanonicalQualType()); if (qual_type->isFunctionType()) { if (is_variadic_ptr) { const clang::FunctionProtoType *function_proto_type = llvm::dyn_cast(qual_type.getTypePtr()); if (function_proto_type) *is_variadic_ptr = function_proto_type->isVariadic(); else *is_variadic_ptr = false; } return true; } const clang::Type::TypeClass type_class = qual_type->getTypeClass(); switch (type_class) { default: break; case clang::Type::Typedef: return ClangASTType (m_ast, cast(qual_type)->getDecl()->getUnderlyingType()).IsFunctionType(); case clang::Type::Elaborated: return ClangASTType (m_ast, cast(qual_type)->getNamedType()).IsFunctionType(); case clang::Type::Paren: return ClangASTType (m_ast, cast(qual_type)->desugar()).IsFunctionType(); case clang::Type::LValueReference: case clang::Type::RValueReference: { const ReferenceType *reference_type = cast(qual_type.getTypePtr()); if (reference_type) return ClangASTType (m_ast, reference_type->getPointeeType()).IsFunctionType(); } break; } } return false; } size_t ClangASTType::GetNumberOfFunctionArguments () const { if (IsValid()) { QualType qual_type (GetCanonicalQualType()); const FunctionProtoType* func = dyn_cast(qual_type.getTypePtr()); if (func) return func->getNumParams(); } return 0; } ClangASTType ClangASTType::GetFunctionArgumentAtIndex (const size_t index) { if (IsValid()) { QualType qual_type (GetCanonicalQualType()); const FunctionProtoType* func = dyn_cast(qual_type.getTypePtr()); if (func) { if (index < func->getNumParams()) return ClangASTType(m_ast, func->getParamType(index).getAsOpaquePtr()); } } return ClangASTType(); } bool ClangASTType::IsFunctionPointerType () const { if (IsValid()) { QualType qual_type (GetCanonicalQualType()); if (qual_type->isFunctionPointerType()) return true; const clang::Type::TypeClass type_class = qual_type->getTypeClass(); switch (type_class) { default: break; case clang::Type::Typedef: return ClangASTType (m_ast, cast(qual_type)->getDecl()->getUnderlyingType()).IsFunctionPointerType(); case clang::Type::Elaborated: return ClangASTType (m_ast, cast(qual_type)->getNamedType()).IsFunctionPointerType(); case clang::Type::Paren: return ClangASTType (m_ast, cast(qual_type)->desugar()).IsFunctionPointerType(); case clang::Type::LValueReference: case clang::Type::RValueReference: { const ReferenceType *reference_type = cast(qual_type.getTypePtr()); if (reference_type) return ClangASTType (m_ast, reference_type->getPointeeType()).IsFunctionPointerType(); } break; } } return false; } bool ClangASTType::IsIntegerType (bool &is_signed) const { if (!IsValid()) return false; QualType qual_type (GetCanonicalQualType()); const BuiltinType *builtin_type = dyn_cast(qual_type->getCanonicalTypeInternal()); if (builtin_type) { if (builtin_type->isInteger()) { is_signed = builtin_type->isSignedInteger(); return true; } } return false; } bool ClangASTType::IsPointerType (ClangASTType *pointee_type) const { if (IsValid()) { QualType qual_type (GetCanonicalQualType()); const clang::Type::TypeClass type_class = qual_type->getTypeClass(); switch (type_class) { case clang::Type::Builtin: switch (cast(qual_type)->getKind()) { default: break; case clang::BuiltinType::ObjCId: case clang::BuiltinType::ObjCClass: return true; } return false; case clang::Type::ObjCObjectPointer: if (pointee_type) pointee_type->SetClangType (m_ast, cast(qual_type)->getPointeeType()); return true; case clang::Type::BlockPointer: if (pointee_type) pointee_type->SetClangType (m_ast, cast(qual_type)->getPointeeType()); return true; case clang::Type::Pointer: if (pointee_type) pointee_type->SetClangType (m_ast, cast(qual_type)->getPointeeType()); return true; case clang::Type::MemberPointer: if (pointee_type) pointee_type->SetClangType (m_ast, cast(qual_type)->getPointeeType()); return true; case clang::Type::Typedef: return ClangASTType (m_ast, cast(qual_type)->getDecl()->getUnderlyingType()).IsPointerType(pointee_type); case clang::Type::Elaborated: return ClangASTType (m_ast, cast(qual_type)->getNamedType()).IsPointerType(pointee_type); case clang::Type::Paren: return ClangASTType (m_ast, cast(qual_type)->desugar()).IsPointerType(pointee_type); default: break; } } if (pointee_type) pointee_type->Clear(); return false; } bool ClangASTType::IsPointerOrReferenceType (ClangASTType *pointee_type) const { if (IsValid()) { QualType qual_type (GetCanonicalQualType()); const clang::Type::TypeClass type_class = qual_type->getTypeClass(); switch (type_class) { case clang::Type::Builtin: switch (cast(qual_type)->getKind()) { default: break; case clang::BuiltinType::ObjCId: case clang::BuiltinType::ObjCClass: return true; } return false; case clang::Type::ObjCObjectPointer: if (pointee_type) pointee_type->SetClangType(m_ast, cast(qual_type)->getPointeeType()); return true; case clang::Type::BlockPointer: if (pointee_type) pointee_type->SetClangType(m_ast, cast(qual_type)->getPointeeType()); return true; case clang::Type::Pointer: if (pointee_type) pointee_type->SetClangType(m_ast, cast(qual_type)->getPointeeType()); return true; case clang::Type::MemberPointer: if (pointee_type) pointee_type->SetClangType(m_ast, cast(qual_type)->getPointeeType()); return true; case clang::Type::LValueReference: if (pointee_type) pointee_type->SetClangType(m_ast, cast(qual_type)->desugar()); return true; case clang::Type::RValueReference: if (pointee_type) pointee_type->SetClangType(m_ast, cast(qual_type)->desugar()); return true; case clang::Type::Typedef: return ClangASTType (m_ast, cast(qual_type)->getDecl()->getUnderlyingType()).IsPointerOrReferenceType(pointee_type); case clang::Type::Elaborated: return ClangASTType (m_ast, cast(qual_type)->getNamedType()).IsPointerOrReferenceType(pointee_type); case clang::Type::Paren: return ClangASTType (m_ast, cast(qual_type)->desugar()).IsPointerOrReferenceType(pointee_type); default: break; } } if (pointee_type) pointee_type->Clear(); return false; } bool ClangASTType::IsReferenceType (ClangASTType *pointee_type) const { if (IsValid()) { QualType qual_type (GetCanonicalQualType()); const clang::Type::TypeClass type_class = qual_type->getTypeClass(); switch (type_class) { case clang::Type::LValueReference: if (pointee_type) pointee_type->SetClangType(m_ast, cast(qual_type)->desugar()); return true; case clang::Type::RValueReference: if (pointee_type) pointee_type->SetClangType(m_ast, cast(qual_type)->desugar()); return true; case clang::Type::Typedef: return ClangASTType(m_ast, cast(qual_type)->getDecl()->getUnderlyingType()).IsReferenceType(pointee_type); case clang::Type::Elaborated: return ClangASTType(m_ast, cast(qual_type)->getNamedType()).IsReferenceType(pointee_type); case clang::Type::Paren: return ClangASTType(m_ast, cast(qual_type)->desugar()).IsReferenceType(pointee_type); default: break; } } if (pointee_type) pointee_type->Clear(); return false; } bool ClangASTType::IsFloatingPointType (uint32_t &count, bool &is_complex) const { if (IsValid()) { QualType qual_type (GetCanonicalQualType()); if (const BuiltinType *BT = dyn_cast(qual_type->getCanonicalTypeInternal())) { clang::BuiltinType::Kind kind = BT->getKind(); if (kind >= BuiltinType::Float && kind <= BuiltinType::LongDouble) { count = 1; is_complex = false; return true; } } else if (const ComplexType *CT = dyn_cast(qual_type->getCanonicalTypeInternal())) { if (ClangASTType (m_ast, CT->getElementType()).IsFloatingPointType (count, is_complex)) { count = 2; is_complex = true; return true; } } else if (const VectorType *VT = dyn_cast(qual_type->getCanonicalTypeInternal())) { if (ClangASTType (m_ast, VT->getElementType()).IsFloatingPointType (count, is_complex)) { count = VT->getNumElements(); is_complex = false; return true; } } } count = 0; is_complex = false; return false; } bool ClangASTType::IsDefined() const { if (!IsValid()) return false; QualType qual_type(GetQualType()); const TagType *tag_type = dyn_cast(qual_type.getTypePtr()); if (tag_type) { TagDecl *tag_decl = tag_type->getDecl(); if (tag_decl) return tag_decl->isCompleteDefinition(); return false; } else { const ObjCObjectType *objc_class_type = dyn_cast(qual_type); if (objc_class_type) { ObjCInterfaceDecl *class_interface_decl = objc_class_type->getInterface(); if (class_interface_decl) return class_interface_decl->getDefinition() != NULL; return false; } } return true; } bool ClangASTType::IsObjCClassType () const { if (IsValid()) { QualType qual_type (GetCanonicalQualType()); const ObjCObjectPointerType *obj_pointer_type = dyn_cast(qual_type); if (obj_pointer_type) return obj_pointer_type->isObjCClassType(); } return false; } bool ClangASTType::IsObjCObjectOrInterfaceType () const { if (IsValid()) return GetCanonicalQualType()->isObjCObjectOrInterfaceType(); return false; } bool ClangASTType::IsPolymorphicClass () const { if (IsValid()) { QualType qual_type(GetCanonicalQualType()); const clang::Type::TypeClass type_class = qual_type->getTypeClass(); switch (type_class) { case clang::Type::Record: if (GetCompleteType()) { const RecordType *record_type = cast(qual_type.getTypePtr()); const RecordDecl *record_decl = record_type->getDecl(); if (record_decl) { const CXXRecordDecl *cxx_record_decl = dyn_cast(record_decl); if (cxx_record_decl) return cxx_record_decl->isPolymorphic(); } } break; default: break; } } return false; } bool ClangASTType::IsPossibleDynamicType (ClangASTType *dynamic_pointee_type, bool check_cplusplus, bool check_objc) const { QualType pointee_qual_type; if (m_type) { QualType qual_type (GetCanonicalQualType()); bool success = false; const clang::Type::TypeClass type_class = qual_type->getTypeClass(); switch (type_class) { case clang::Type::Builtin: if (check_objc && cast(qual_type)->getKind() == BuiltinType::ObjCId) { if (dynamic_pointee_type) dynamic_pointee_type->SetClangType(m_ast, m_type); return true; } break; case clang::Type::ObjCObjectPointer: if (check_objc) { if (dynamic_pointee_type) dynamic_pointee_type->SetClangType(m_ast, cast(qual_type)->getPointeeType()); return true; } break; case clang::Type::Pointer: pointee_qual_type = cast(qual_type)->getPointeeType(); success = true; break; case clang::Type::LValueReference: case clang::Type::RValueReference: pointee_qual_type = cast(qual_type)->getPointeeType(); success = true; break; case clang::Type::Typedef: return ClangASTType (m_ast, cast(qual_type)->getDecl()->getUnderlyingType()).IsPossibleDynamicType (dynamic_pointee_type, check_cplusplus, check_objc); case clang::Type::Elaborated: return ClangASTType (m_ast, cast(qual_type)->getNamedType()).IsPossibleDynamicType (dynamic_pointee_type, check_cplusplus, check_objc); case clang::Type::Paren: return ClangASTType (m_ast, cast(qual_type)->desugar()).IsPossibleDynamicType (dynamic_pointee_type, check_cplusplus, check_objc); default: break; } if (success) { // Check to make sure what we are pointing too is a possible dynamic C++ type // We currently accept any "void *" (in case we have a class that has been // watered down to an opaque pointer) and virtual C++ classes. const clang::Type::TypeClass pointee_type_class = pointee_qual_type.getCanonicalType()->getTypeClass(); switch (pointee_type_class) { case clang::Type::Builtin: switch (cast(pointee_qual_type)->getKind()) { case BuiltinType::UnknownAny: case BuiltinType::Void: if (dynamic_pointee_type) dynamic_pointee_type->SetClangType(m_ast, pointee_qual_type); return true; case BuiltinType::NullPtr: case BuiltinType::Bool: case BuiltinType::Char_U: case BuiltinType::UChar: case BuiltinType::WChar_U: case BuiltinType::Char16: case BuiltinType::Char32: case BuiltinType::UShort: case BuiltinType::UInt: case BuiltinType::ULong: case BuiltinType::ULongLong: case BuiltinType::UInt128: case BuiltinType::Char_S: case BuiltinType::SChar: case BuiltinType::WChar_S: case BuiltinType::Short: case BuiltinType::Int: case BuiltinType::Long: case BuiltinType::LongLong: case BuiltinType::Int128: case BuiltinType::Float: case BuiltinType::Double: case BuiltinType::LongDouble: case BuiltinType::Dependent: case BuiltinType::Overload: case BuiltinType::ObjCId: case BuiltinType::ObjCClass: case BuiltinType::ObjCSel: case BuiltinType::BoundMember: case BuiltinType::Half: case BuiltinType::ARCUnbridgedCast: case BuiltinType::PseudoObject: case BuiltinType::BuiltinFn: case BuiltinType::OCLEvent: case BuiltinType::OCLImage1d: case BuiltinType::OCLImage1dArray: case BuiltinType::OCLImage1dBuffer: case BuiltinType::OCLImage2d: case BuiltinType::OCLImage2dArray: case BuiltinType::OCLImage3d: case BuiltinType::OCLSampler: break; } break; case clang::Type::Record: if (check_cplusplus) { CXXRecordDecl *cxx_record_decl = pointee_qual_type->getAsCXXRecordDecl(); if (cxx_record_decl) { bool is_complete = cxx_record_decl->isCompleteDefinition(); if (is_complete) success = cxx_record_decl->isDynamicClass(); else { ClangASTMetadata *metadata = ClangASTContext::GetMetadata (m_ast, cxx_record_decl); if (metadata) success = metadata->GetIsDynamicCXXType(); else { is_complete = ClangASTType(m_ast, pointee_qual_type).GetCompleteType(); if (is_complete) success = cxx_record_decl->isDynamicClass(); else success = false; } } if (success) { if (dynamic_pointee_type) dynamic_pointee_type->SetClangType(m_ast, pointee_qual_type); return true; } } } break; case clang::Type::ObjCObject: case clang::Type::ObjCInterface: if (check_objc) { if (dynamic_pointee_type) dynamic_pointee_type->SetClangType(m_ast, pointee_qual_type); return true; } break; default: break; } } } if (dynamic_pointee_type) dynamic_pointee_type->Clear(); return false; } bool ClangASTType::IsScalarType () const { if (!IsValid()) return false; return (GetTypeInfo (NULL) & eTypeIsScalar) != 0; } bool ClangASTType::IsTypedefType () const { if (!IsValid()) return false; return GetQualType()->getTypeClass() == clang::Type::Typedef; } bool ClangASTType::IsVoidType () const { if (!IsValid()) return false; return GetCanonicalQualType()->isVoidType(); } bool ClangASTType::IsPointerToScalarType () const { if (!IsValid()) return false; return IsPointerType() && GetPointeeType().IsScalarType(); } bool ClangASTType::IsArrayOfScalarType () const { ClangASTType element_type; if (IsArrayType(&element_type, NULL, NULL)) return element_type.IsScalarType(); return false; } bool ClangASTType::GetCXXClassName (std::string &class_name) const { if (IsValid()) { QualType qual_type (GetCanonicalQualType()); CXXRecordDecl *cxx_record_decl = qual_type->getAsCXXRecordDecl(); if (cxx_record_decl) { class_name.assign (cxx_record_decl->getIdentifier()->getNameStart()); return true; } } class_name.clear(); return false; } bool ClangASTType::IsCXXClassType () const { if (!IsValid()) return false; QualType qual_type (GetCanonicalQualType()); if (qual_type->getAsCXXRecordDecl() != NULL) return true; return false; } bool ClangASTType::IsBeingDefined () const { if (!IsValid()) return false; QualType qual_type (GetCanonicalQualType()); const clang::TagType *tag_type = dyn_cast(qual_type); if (tag_type) return tag_type->isBeingDefined(); return false; } bool ClangASTType::IsObjCObjectPointerType (ClangASTType *class_type_ptr) { if (!IsValid()) return false; QualType qual_type (GetCanonicalQualType()); if (qual_type->isObjCObjectPointerType()) { if (class_type_ptr) { if (!qual_type->isObjCClassType() && !qual_type->isObjCIdType()) { const ObjCObjectPointerType *obj_pointer_type = dyn_cast(qual_type); if (obj_pointer_type == NULL) class_type_ptr->Clear(); else class_type_ptr->SetClangType (m_ast, QualType(obj_pointer_type->getInterfaceType(), 0)); } } return true; } if (class_type_ptr) class_type_ptr->Clear(); return false; } bool ClangASTType::GetObjCClassName (std::string &class_name) { if (!IsValid()) return false; QualType qual_type (GetCanonicalQualType()); const ObjCObjectType *object_type = dyn_cast(qual_type); if (object_type) { const ObjCInterfaceDecl *interface = object_type->getInterface(); if (interface) { class_name = interface->getNameAsString(); return true; } } return false; } //---------------------------------------------------------------------- // Type Completion //---------------------------------------------------------------------- bool ClangASTType::GetCompleteType () const { if (!IsValid()) return false; const bool allow_completion = true; return GetCompleteQualType (m_ast, GetQualType(), allow_completion); } //---------------------------------------------------------------------- // AST related queries //---------------------------------------------------------------------- size_t ClangASTType::GetPointerByteSize () const { if (m_ast) return m_ast->getTypeSize(m_ast->VoidPtrTy) / 8; return 0; } ConstString ClangASTType::GetConstQualifiedTypeName () const { return GetConstTypeName (); } ConstString ClangASTType::GetConstTypeName () const { if (IsValid()) { ConstString type_name (GetTypeName()); if (type_name) return type_name; } return ConstString(""); } ConstString ClangASTType::GetTypeName () const { std::string type_name; if (IsValid()) { PrintingPolicy printing_policy (m_ast->getPrintingPolicy()); QualType qual_type(GetQualType()); printing_policy.SuppressTagKeyword = true; printing_policy.LangOpts.WChar = true; const TypedefType *typedef_type = qual_type->getAs(); if (typedef_type) { const TypedefNameDecl *typedef_decl = typedef_type->getDecl(); type_name = typedef_decl->getQualifiedNameAsString(); } else { type_name = qual_type.getAsString(printing_policy); } } return ConstString(type_name); } uint32_t ClangASTType::GetTypeInfo (ClangASTType *pointee_or_element_clang_type) const { if (!IsValid()) return 0; if (pointee_or_element_clang_type) pointee_or_element_clang_type->Clear(); QualType qual_type (GetQualType()); const clang::Type::TypeClass type_class = qual_type->getTypeClass(); switch (type_class) { case clang::Type::Builtin: { const BuiltinType *builtin_type = dyn_cast(qual_type->getCanonicalTypeInternal()); uint32_t builtin_type_flags = eTypeIsBuiltIn | eTypeHasValue; switch (builtin_type->getKind()) { case clang::BuiltinType::ObjCId: case clang::BuiltinType::ObjCClass: if (pointee_or_element_clang_type) pointee_or_element_clang_type->SetClangType(m_ast, m_ast->ObjCBuiltinClassTy); builtin_type_flags |= eTypeIsPointer | eTypeIsObjC; break; case clang::BuiltinType::ObjCSel: if (pointee_or_element_clang_type) pointee_or_element_clang_type->SetClangType(m_ast, m_ast->CharTy); builtin_type_flags |= eTypeIsPointer | eTypeIsObjC; break; case clang::BuiltinType::Bool: case clang::BuiltinType::Char_U: case clang::BuiltinType::UChar: case clang::BuiltinType::WChar_U: case clang::BuiltinType::Char16: case clang::BuiltinType::Char32: case clang::BuiltinType::UShort: case clang::BuiltinType::UInt: case clang::BuiltinType::ULong: case clang::BuiltinType::ULongLong: case clang::BuiltinType::UInt128: case clang::BuiltinType::Char_S: case clang::BuiltinType::SChar: case clang::BuiltinType::WChar_S: case clang::BuiltinType::Short: case clang::BuiltinType::Int: case clang::BuiltinType::Long: case clang::BuiltinType::LongLong: case clang::BuiltinType::Int128: case clang::BuiltinType::Float: case clang::BuiltinType::Double: case clang::BuiltinType::LongDouble: builtin_type_flags |= eTypeIsScalar; if (builtin_type->isInteger()) { builtin_type_flags |= eTypeIsInteger; if (builtin_type->isSignedInteger()) builtin_type_flags |= eTypeIsSigned; } else if (builtin_type->isFloatingPoint()) builtin_type_flags |= eTypeIsFloat; break; default: break; } return builtin_type_flags; } case clang::Type::BlockPointer: if (pointee_or_element_clang_type) pointee_or_element_clang_type->SetClangType(m_ast, qual_type->getPointeeType()); return eTypeIsPointer | eTypeHasChildren | eTypeIsBlock; case clang::Type::Complex: { uint32_t complex_type_flags = eTypeIsBuiltIn | eTypeHasValue | eTypeIsComplex; const ComplexType *complex_type = dyn_cast(qual_type->getCanonicalTypeInternal()); if (complex_type) { QualType complex_element_type (complex_type->getElementType()); if (complex_element_type->isIntegerType()) complex_type_flags |= eTypeIsFloat; else if (complex_element_type->isFloatingType()) complex_type_flags |= eTypeIsInteger; } return complex_type_flags; } break; case clang::Type::ConstantArray: case clang::Type::DependentSizedArray: case clang::Type::IncompleteArray: case clang::Type::VariableArray: if (pointee_or_element_clang_type) pointee_or_element_clang_type->SetClangType(m_ast, cast(qual_type.getTypePtr())->getElementType()); return eTypeHasChildren | eTypeIsArray; case clang::Type::DependentName: return 0; case clang::Type::DependentSizedExtVector: return eTypeHasChildren | eTypeIsVector; case clang::Type::DependentTemplateSpecialization: return eTypeIsTemplate; case clang::Type::Decltype: return 0; case clang::Type::Enum: if (pointee_or_element_clang_type) pointee_or_element_clang_type->SetClangType(m_ast, cast(qual_type)->getDecl()->getIntegerType()); return eTypeIsEnumeration | eTypeHasValue; case clang::Type::Elaborated: return ClangASTType (m_ast, cast(qual_type)->getNamedType()).GetTypeInfo (pointee_or_element_clang_type); case clang::Type::Paren: return ClangASTType (m_ast, cast(qual_type)->desugar()).GetTypeInfo (pointee_or_element_clang_type); case clang::Type::FunctionProto: return eTypeIsFuncPrototype | eTypeHasValue; case clang::Type::FunctionNoProto: return eTypeIsFuncPrototype | eTypeHasValue; case clang::Type::InjectedClassName: return 0; case clang::Type::LValueReference: case clang::Type::RValueReference: if (pointee_or_element_clang_type) pointee_or_element_clang_type->SetClangType(m_ast, cast(qual_type.getTypePtr())->getPointeeType()); return eTypeHasChildren | eTypeIsReference | eTypeHasValue; case clang::Type::MemberPointer: return eTypeIsPointer | eTypeIsMember | eTypeHasValue; case clang::Type::ObjCObjectPointer: if (pointee_or_element_clang_type) pointee_or_element_clang_type->SetClangType(m_ast, qual_type->getPointeeType()); return eTypeHasChildren | eTypeIsObjC | eTypeIsClass | eTypeIsPointer | eTypeHasValue; case clang::Type::ObjCObject: return eTypeHasChildren | eTypeIsObjC | eTypeIsClass; case clang::Type::ObjCInterface: return eTypeHasChildren | eTypeIsObjC | eTypeIsClass; case clang::Type::Pointer: if (pointee_or_element_clang_type) pointee_or_element_clang_type->SetClangType(m_ast, qual_type->getPointeeType()); return eTypeHasChildren | eTypeIsPointer | eTypeHasValue; case clang::Type::Record: if (qual_type->getAsCXXRecordDecl()) return eTypeHasChildren | eTypeIsClass | eTypeIsCPlusPlus; else return eTypeHasChildren | eTypeIsStructUnion; break; case clang::Type::SubstTemplateTypeParm: return eTypeIsTemplate; case clang::Type::TemplateTypeParm: return eTypeIsTemplate; case clang::Type::TemplateSpecialization: return eTypeIsTemplate; case clang::Type::Typedef: return eTypeIsTypedef | ClangASTType (m_ast, cast(qual_type)->getDecl()->getUnderlyingType()).GetTypeInfo (pointee_or_element_clang_type); case clang::Type::TypeOfExpr: return 0; case clang::Type::TypeOf: return 0; case clang::Type::UnresolvedUsing: return 0; case clang::Type::ExtVector: case clang::Type::Vector: { uint32_t vector_type_flags = eTypeHasChildren | eTypeIsVector; const VectorType *vector_type = dyn_cast(qual_type->getCanonicalTypeInternal()); if (vector_type) { if (vector_type->isIntegerType()) vector_type_flags |= eTypeIsFloat; else if (vector_type->isFloatingType()) vector_type_flags |= eTypeIsInteger; } return vector_type_flags; } default: return 0; } return 0; } lldb::LanguageType ClangASTType::GetMinimumLanguage () { if (!IsValid()) return lldb::eLanguageTypeC; // If the type is a reference, then resolve it to what it refers to first: QualType qual_type (GetCanonicalQualType().getNonReferenceType()); if (qual_type->isAnyPointerType()) { if (qual_type->isObjCObjectPointerType()) return lldb::eLanguageTypeObjC; QualType pointee_type (qual_type->getPointeeType()); if (pointee_type->getPointeeCXXRecordDecl() != NULL) return lldb::eLanguageTypeC_plus_plus; if (pointee_type->isObjCObjectOrInterfaceType()) return lldb::eLanguageTypeObjC; if (pointee_type->isObjCClassType()) return lldb::eLanguageTypeObjC; if (pointee_type.getTypePtr() == m_ast->ObjCBuiltinIdTy.getTypePtr()) return lldb::eLanguageTypeObjC; } else { if (qual_type->isObjCObjectOrInterfaceType()) return lldb::eLanguageTypeObjC; if (qual_type->getAsCXXRecordDecl()) return lldb::eLanguageTypeC_plus_plus; switch (qual_type->getTypeClass()) { default: break; case clang::Type::Builtin: switch (cast(qual_type)->getKind()) { default: case BuiltinType::Void: case BuiltinType::Bool: case BuiltinType::Char_U: case BuiltinType::UChar: case BuiltinType::WChar_U: case BuiltinType::Char16: case BuiltinType::Char32: case BuiltinType::UShort: case BuiltinType::UInt: case BuiltinType::ULong: case BuiltinType::ULongLong: case BuiltinType::UInt128: case BuiltinType::Char_S: case BuiltinType::SChar: case BuiltinType::WChar_S: case BuiltinType::Short: case BuiltinType::Int: case BuiltinType::Long: case BuiltinType::LongLong: case BuiltinType::Int128: case BuiltinType::Float: case BuiltinType::Double: case BuiltinType::LongDouble: break; case BuiltinType::NullPtr: return eLanguageTypeC_plus_plus; case BuiltinType::ObjCId: case BuiltinType::ObjCClass: case BuiltinType::ObjCSel: return eLanguageTypeObjC; case BuiltinType::Dependent: case BuiltinType::Overload: case BuiltinType::BoundMember: case BuiltinType::UnknownAny: break; } break; case clang::Type::Typedef: return ClangASTType(m_ast, cast(qual_type)->getDecl()->getUnderlyingType()).GetMinimumLanguage(); } } return lldb::eLanguageTypeC; } lldb::TypeClass ClangASTType::GetTypeClass () const { if (!IsValid()) return lldb::eTypeClassInvalid; QualType qual_type(GetQualType()); switch (qual_type->getTypeClass()) { case clang::Type::UnaryTransform: break; case clang::Type::FunctionNoProto: return lldb::eTypeClassFunction; case clang::Type::FunctionProto: return lldb::eTypeClassFunction; case clang::Type::IncompleteArray: return lldb::eTypeClassArray; case clang::Type::VariableArray: return lldb::eTypeClassArray; case clang::Type::ConstantArray: return lldb::eTypeClassArray; case clang::Type::DependentSizedArray: return lldb::eTypeClassArray; case clang::Type::DependentSizedExtVector: return lldb::eTypeClassVector; case clang::Type::ExtVector: return lldb::eTypeClassVector; case clang::Type::Vector: return lldb::eTypeClassVector; case clang::Type::Builtin: return lldb::eTypeClassBuiltin; case clang::Type::ObjCObjectPointer: return lldb::eTypeClassObjCObjectPointer; case clang::Type::BlockPointer: return lldb::eTypeClassBlockPointer; case clang::Type::Pointer: return lldb::eTypeClassPointer; case clang::Type::LValueReference: return lldb::eTypeClassReference; case clang::Type::RValueReference: return lldb::eTypeClassReference; case clang::Type::MemberPointer: return lldb::eTypeClassMemberPointer; case clang::Type::Complex: if (qual_type->isComplexType()) return lldb::eTypeClassComplexFloat; else return lldb::eTypeClassComplexInteger; case clang::Type::ObjCObject: return lldb::eTypeClassObjCObject; case clang::Type::ObjCInterface: return lldb::eTypeClassObjCInterface; case clang::Type::Record: { const RecordType *record_type = cast(qual_type.getTypePtr()); const RecordDecl *record_decl = record_type->getDecl(); if (record_decl->isUnion()) return lldb::eTypeClassUnion; else if (record_decl->isStruct()) return lldb::eTypeClassStruct; else return lldb::eTypeClassClass; } break; case clang::Type::Enum: return lldb::eTypeClassEnumeration; case clang::Type::Typedef: return lldb::eTypeClassTypedef; case clang::Type::UnresolvedUsing: break; case clang::Type::Paren: return ClangASTType(m_ast, cast(qual_type)->desugar()).GetTypeClass(); case clang::Type::Elaborated: return ClangASTType(m_ast, cast(qual_type)->getNamedType()).GetTypeClass(); case clang::Type::Attributed: break; case clang::Type::TemplateTypeParm: break; case clang::Type::SubstTemplateTypeParm: break; case clang::Type::SubstTemplateTypeParmPack:break; case clang::Type::Auto: break; case clang::Type::InjectedClassName: break; case clang::Type::DependentName: break; case clang::Type::DependentTemplateSpecialization: break; case clang::Type::PackExpansion: break; case clang::Type::TypeOfExpr: break; case clang::Type::TypeOf: break; case clang::Type::Decltype: break; case clang::Type::TemplateSpecialization: break; case clang::Type::Atomic: break; // pointer type decayed from an array or function type. case clang::Type::Decayed: break; } // We don't know hot to display this type... return lldb::eTypeClassOther; } void ClangASTType::SetClangType (clang::ASTContext *ast, clang::QualType qual_type) { m_ast = ast; m_type = qual_type.getAsOpaquePtr(); } unsigned ClangASTType::GetTypeQualifiers() const { if (IsValid()) return GetQualType().getQualifiers().getCVRQualifiers(); return 0; } //---------------------------------------------------------------------- // Creating related types //---------------------------------------------------------------------- ClangASTType ClangASTType::AddConstModifier () const { if (m_type) { QualType result(GetQualType()); result.addConst(); return ClangASTType (m_ast, result); } return ClangASTType(); } ClangASTType ClangASTType::AddRestrictModifier () const { if (m_type) { QualType result(GetQualType()); result.getQualifiers().setRestrict (true); return ClangASTType (m_ast, result); } return ClangASTType(); } ClangASTType ClangASTType::AddVolatileModifier () const { if (m_type) { QualType result(GetQualType()); result.getQualifiers().setVolatile (true); return ClangASTType (m_ast, result); } return ClangASTType(); } ClangASTType ClangASTType::GetArrayElementType (uint64_t& stride) const { if (IsValid()) { QualType qual_type(GetCanonicalQualType()); ClangASTType element_type (m_ast, qual_type.getTypePtr()->getArrayElementTypeNoTypeQual()->getCanonicalTypeUnqualified()); // TODO: the real stride will be >= this value.. find the real one! stride = element_type.GetByteSize(); return element_type; } return ClangASTType(); } ClangASTType ClangASTType::GetCanonicalType () const { if (IsValid()) return ClangASTType (m_ast, GetCanonicalQualType()); return ClangASTType(); } static QualType GetFullyUnqualifiedType_Impl (ASTContext *ast, QualType qual_type) { if (qual_type->isPointerType()) qual_type = ast->getPointerType(GetFullyUnqualifiedType_Impl(ast, qual_type->getPointeeType())); else qual_type = qual_type.getUnqualifiedType(); qual_type.removeLocalConst(); qual_type.removeLocalRestrict(); qual_type.removeLocalVolatile(); return qual_type; } ClangASTType ClangASTType::GetFullyUnqualifiedType () const { if (IsValid()) return ClangASTType(m_ast, GetFullyUnqualifiedType_Impl(m_ast, GetQualType())); return ClangASTType(); } int ClangASTType::GetFunctionArgumentCount () const { if (IsValid()) { const FunctionProtoType* func = dyn_cast(GetCanonicalQualType()); if (func) return func->getNumParams(); } return -1; } ClangASTType ClangASTType::GetFunctionArgumentTypeAtIndex (size_t idx) { if (IsValid()) { const FunctionProtoType* func = dyn_cast(GetCanonicalQualType()); if (func) { const uint32_t num_args = func->getNumParams(); if (idx < num_args) return ClangASTType(m_ast, func->getParamType(idx)); } } return ClangASTType(); } ClangASTType ClangASTType::GetFunctionReturnType () const { if (IsValid()) { QualType qual_type(GetCanonicalQualType()); const FunctionProtoType* func = dyn_cast(qual_type.getTypePtr()); if (func) return ClangASTType(m_ast, func->getReturnType()); } return ClangASTType(); } ClangASTType ClangASTType::GetLValueReferenceType () const { if (IsValid()) { return ClangASTType(m_ast, m_ast->getLValueReferenceType(GetQualType())); } return ClangASTType(); } ClangASTType ClangASTType::GetRValueReferenceType () const { if (IsValid()) { return ClangASTType(m_ast, m_ast->getRValueReferenceType(GetQualType())); } return ClangASTType(); } ClangASTType ClangASTType::GetNonReferenceType () const { if (IsValid()) return ClangASTType(m_ast, GetQualType().getNonReferenceType()); return ClangASTType(); } ClangASTType ClangASTType::CreateTypedefType (const char *typedef_name, clang::DeclContext *decl_ctx) const { if (IsValid() && typedef_name && typedef_name[0]) { QualType qual_type (GetQualType()); if (decl_ctx == NULL) decl_ctx = m_ast->getTranslationUnitDecl(); TypedefDecl *decl = TypedefDecl::Create (*m_ast, decl_ctx, SourceLocation(), SourceLocation(), &m_ast->Idents.get(typedef_name), m_ast->getTrivialTypeSourceInfo(qual_type)); decl->setAccess(AS_public); // TODO respect proper access specifier // Get a uniqued QualType for the typedef decl type return ClangASTType (m_ast, m_ast->getTypedefType (decl)); } return ClangASTType(); } ClangASTType ClangASTType::GetPointeeType () const { if (m_type) { QualType qual_type(GetQualType()); return ClangASTType (m_ast, qual_type.getTypePtr()->getPointeeType()); } return ClangASTType(); } ClangASTType ClangASTType::GetPointerType () const { if (IsValid()) { QualType qual_type (GetQualType()); const clang::Type::TypeClass type_class = qual_type->getTypeClass(); switch (type_class) { case clang::Type::ObjCObject: case clang::Type::ObjCInterface: return ClangASTType(m_ast, m_ast->getObjCObjectPointerType(qual_type).getAsOpaquePtr()); default: return ClangASTType(m_ast, m_ast->getPointerType(qual_type).getAsOpaquePtr()); } } return ClangASTType(); } ClangASTType ClangASTType::GetTypedefedType () const { if (IsValid()) { const TypedefType *typedef_type = dyn_cast(GetQualType()); if (typedef_type) return ClangASTType (m_ast, typedef_type->getDecl()->getUnderlyingType()); } return ClangASTType(); } ClangASTType ClangASTType::RemoveFastQualifiers () const { if (m_type) { QualType qual_type(GetQualType()); qual_type.getQualifiers().removeFastQualifiers(); return ClangASTType (m_ast, qual_type); } return ClangASTType(); } //---------------------------------------------------------------------- // Create related types using the current type's AST //---------------------------------------------------------------------- ClangASTType ClangASTType::GetBasicTypeFromAST (lldb::BasicType basic_type) const { if (IsValid()) return ClangASTContext::GetBasicType(m_ast, basic_type); return ClangASTType(); } //---------------------------------------------------------------------- // Exploring the type //---------------------------------------------------------------------- uint64_t ClangASTType::GetBitSize () const { if (GetCompleteType ()) { QualType qual_type(GetCanonicalQualType()); const uint32_t bit_size = m_ast->getTypeSize (qual_type); if (bit_size == 0) { if (qual_type->isIncompleteArrayType()) return m_ast->getTypeSize (qual_type->getArrayElementTypeNoTypeQual()->getCanonicalTypeUnqualified()); } if (qual_type->isObjCObjectOrInterfaceType()) return bit_size + m_ast->getTypeSize(m_ast->ObjCBuiltinClassTy); return bit_size; } return 0; } uint64_t ClangASTType::GetByteSize () const { return (GetBitSize () + 7) / 8; } size_t ClangASTType::GetTypeBitAlign () const { if (GetCompleteType ()) return m_ast->getTypeAlign(GetQualType()); return 0; } lldb::Encoding ClangASTType::GetEncoding (uint64_t &count) const { if (!IsValid()) return lldb::eEncodingInvalid; count = 1; QualType qual_type(GetCanonicalQualType()); switch (qual_type->getTypeClass()) { case clang::Type::UnaryTransform: break; case clang::Type::FunctionNoProto: case clang::Type::FunctionProto: break; case clang::Type::IncompleteArray: case clang::Type::VariableArray: break; case clang::Type::ConstantArray: break; case clang::Type::ExtVector: case clang::Type::Vector: // TODO: Set this to more than one??? break; case clang::Type::Builtin: switch (cast(qual_type)->getKind()) { default: assert(0 && "Unknown builtin type!"); case BuiltinType::Void: break; case BuiltinType::Bool: case BuiltinType::Char_S: case BuiltinType::SChar: case BuiltinType::WChar_S: case BuiltinType::Char16: case BuiltinType::Char32: case BuiltinType::Short: case BuiltinType::Int: case BuiltinType::Long: case BuiltinType::LongLong: case BuiltinType::Int128: return lldb::eEncodingSint; case BuiltinType::Char_U: case BuiltinType::UChar: case BuiltinType::WChar_U: case BuiltinType::UShort: case BuiltinType::UInt: case BuiltinType::ULong: case BuiltinType::ULongLong: case BuiltinType::UInt128: return lldb::eEncodingUint; case BuiltinType::Float: case BuiltinType::Double: case BuiltinType::LongDouble: return lldb::eEncodingIEEE754; case BuiltinType::ObjCClass: case BuiltinType::ObjCId: case BuiltinType::ObjCSel: return lldb::eEncodingUint; case BuiltinType::NullPtr: return lldb::eEncodingUint; } break; // All pointer types are represented as unsigned integer encodings. // We may nee to add a eEncodingPointer if we ever need to know the // difference case clang::Type::ObjCObjectPointer: case clang::Type::BlockPointer: case clang::Type::Pointer: case clang::Type::LValueReference: case clang::Type::RValueReference: case clang::Type::MemberPointer: return lldb::eEncodingUint; case clang::Type::Complex: { lldb::Encoding encoding = lldb::eEncodingIEEE754; if (qual_type->isComplexType()) encoding = lldb::eEncodingIEEE754; else { const ComplexType *complex_type = qual_type->getAsComplexIntegerType(); if (complex_type) encoding = ClangASTType(m_ast, complex_type->getElementType()).GetEncoding(count); else encoding = lldb::eEncodingSint; } count = 2; return encoding; } case clang::Type::ObjCInterface: break; case clang::Type::Record: break; case clang::Type::Enum: return lldb::eEncodingSint; case clang::Type::Typedef: return ClangASTType(m_ast, cast(qual_type)->getDecl()->getUnderlyingType()).GetEncoding(count); case clang::Type::Elaborated: return ClangASTType(m_ast, cast(qual_type)->getNamedType()).GetEncoding(count); case clang::Type::Paren: return ClangASTType(m_ast, cast(qual_type)->desugar()).GetEncoding(count); case clang::Type::DependentSizedArray: case clang::Type::DependentSizedExtVector: case clang::Type::UnresolvedUsing: case clang::Type::Attributed: case clang::Type::TemplateTypeParm: case clang::Type::SubstTemplateTypeParm: case clang::Type::SubstTemplateTypeParmPack: case clang::Type::Auto: case clang::Type::InjectedClassName: case clang::Type::DependentName: case clang::Type::DependentTemplateSpecialization: case clang::Type::PackExpansion: case clang::Type::ObjCObject: case clang::Type::TypeOfExpr: case clang::Type::TypeOf: case clang::Type::Decltype: case clang::Type::TemplateSpecialization: case clang::Type::Atomic: break; // pointer type decayed from an array or function type. case clang::Type::Decayed: break; } count = 0; return lldb::eEncodingInvalid; } lldb::Format ClangASTType::GetFormat () const { if (!IsValid()) return lldb::eFormatDefault; QualType qual_type(GetCanonicalQualType()); switch (qual_type->getTypeClass()) { case clang::Type::UnaryTransform: break; case clang::Type::FunctionNoProto: case clang::Type::FunctionProto: break; case clang::Type::IncompleteArray: case clang::Type::VariableArray: break; case clang::Type::ConstantArray: return lldb::eFormatVoid; // no value case clang::Type::ExtVector: case clang::Type::Vector: break; case clang::Type::Builtin: switch (cast(qual_type)->getKind()) { //default: assert(0 && "Unknown builtin type!"); case BuiltinType::UnknownAny: case BuiltinType::Void: case BuiltinType::BoundMember: break; case BuiltinType::Bool: return lldb::eFormatBoolean; case BuiltinType::Char_S: case BuiltinType::SChar: case BuiltinType::WChar_S: case BuiltinType::Char_U: case BuiltinType::UChar: case BuiltinType::WChar_U: return lldb::eFormatChar; case BuiltinType::Char16: return lldb::eFormatUnicode16; case BuiltinType::Char32: return lldb::eFormatUnicode32; case BuiltinType::UShort: return lldb::eFormatUnsigned; case BuiltinType::Short: return lldb::eFormatDecimal; case BuiltinType::UInt: return lldb::eFormatUnsigned; case BuiltinType::Int: return lldb::eFormatDecimal; case BuiltinType::ULong: return lldb::eFormatUnsigned; case BuiltinType::Long: return lldb::eFormatDecimal; case BuiltinType::ULongLong: return lldb::eFormatUnsigned; case BuiltinType::LongLong: return lldb::eFormatDecimal; case BuiltinType::UInt128: return lldb::eFormatUnsigned; case BuiltinType::Int128: return lldb::eFormatDecimal; case BuiltinType::Float: return lldb::eFormatFloat; case BuiltinType::Double: return lldb::eFormatFloat; case BuiltinType::LongDouble: return lldb::eFormatFloat; case BuiltinType::NullPtr: case BuiltinType::Overload: case BuiltinType::Dependent: case BuiltinType::ObjCId: case BuiltinType::ObjCClass: case BuiltinType::ObjCSel: case BuiltinType::Half: case BuiltinType::ARCUnbridgedCast: case BuiltinType::PseudoObject: case BuiltinType::BuiltinFn: case BuiltinType::OCLEvent: case BuiltinType::OCLImage1d: case BuiltinType::OCLImage1dArray: case BuiltinType::OCLImage1dBuffer: case BuiltinType::OCLImage2d: case BuiltinType::OCLImage2dArray: case BuiltinType::OCLImage3d: case BuiltinType::OCLSampler: return lldb::eFormatHex; } break; case clang::Type::ObjCObjectPointer: return lldb::eFormatHex; case clang::Type::BlockPointer: return lldb::eFormatHex; case clang::Type::Pointer: return lldb::eFormatHex; case clang::Type::LValueReference: case clang::Type::RValueReference: return lldb::eFormatHex; case clang::Type::MemberPointer: break; case clang::Type::Complex: { if (qual_type->isComplexType()) return lldb::eFormatComplex; else return lldb::eFormatComplexInteger; } case clang::Type::ObjCInterface: break; case clang::Type::Record: break; case clang::Type::Enum: return lldb::eFormatEnum; case clang::Type::Typedef: return ClangASTType (m_ast, cast(qual_type)->getDecl()->getUnderlyingType()).GetFormat(); case clang::Type::Auto: return ClangASTType (m_ast, cast(qual_type)->desugar()).GetFormat(); case clang::Type::Paren: return ClangASTType (m_ast, cast(qual_type)->desugar()).GetFormat(); case clang::Type::Elaborated: return ClangASTType (m_ast, cast(qual_type)->getNamedType()).GetFormat(); case clang::Type::DependentSizedArray: case clang::Type::DependentSizedExtVector: case clang::Type::UnresolvedUsing: case clang::Type::Attributed: case clang::Type::TemplateTypeParm: case clang::Type::SubstTemplateTypeParm: case clang::Type::SubstTemplateTypeParmPack: case clang::Type::InjectedClassName: case clang::Type::DependentName: case clang::Type::DependentTemplateSpecialization: case clang::Type::PackExpansion: case clang::Type::ObjCObject: case clang::Type::TypeOfExpr: case clang::Type::TypeOf: case clang::Type::Decltype: case clang::Type::TemplateSpecialization: case clang::Type::Atomic: break; // pointer type decayed from an array or function type. case clang::Type::Decayed: break; } // We don't know hot to display this type... return lldb::eFormatBytes; } static bool ObjCDeclHasIVars (ObjCInterfaceDecl *class_interface_decl, bool check_superclass) { while (class_interface_decl) { if (class_interface_decl->ivar_size() > 0) return true; if (check_superclass) class_interface_decl = class_interface_decl->getSuperClass(); else break; } return false; } uint32_t ClangASTType::GetNumChildren (bool omit_empty_base_classes) const { if (!IsValid()) return 0; uint32_t num_children = 0; QualType qual_type(GetQualType()); const clang::Type::TypeClass type_class = qual_type->getTypeClass(); switch (type_class) { case clang::Type::Builtin: switch (cast(qual_type)->getKind()) { case BuiltinType::ObjCId: // child is Class case BuiltinType::ObjCClass: // child is Class num_children = 1; break; default: break; } break; case clang::Type::Complex: return 0; case clang::Type::Record: if (GetCompleteQualType (m_ast, qual_type)) { const RecordType *record_type = cast(qual_type.getTypePtr()); const RecordDecl *record_decl = record_type->getDecl(); assert(record_decl); const CXXRecordDecl *cxx_record_decl = dyn_cast(record_decl); if (cxx_record_decl) { if (omit_empty_base_classes) { // Check each base classes to see if it or any of its // base classes contain any fields. This can help // limit the noise in variable views by not having to // show base classes that contain no members. CXXRecordDecl::base_class_const_iterator base_class, base_class_end; for (base_class = cxx_record_decl->bases_begin(), base_class_end = cxx_record_decl->bases_end(); base_class != base_class_end; ++base_class) { const CXXRecordDecl *base_class_decl = cast(base_class->getType()->getAs()->getDecl()); // Skip empty base classes if (ClangASTContext::RecordHasFields(base_class_decl) == false) continue; num_children++; } } else { // Include all base classes num_children += cxx_record_decl->getNumBases(); } } RecordDecl::field_iterator field, field_end; for (field = record_decl->field_begin(), field_end = record_decl->field_end(); field != field_end; ++field) ++num_children; } break; case clang::Type::ObjCObject: case clang::Type::ObjCInterface: if (GetCompleteQualType (m_ast, qual_type)) { const ObjCObjectType *objc_class_type = dyn_cast(qual_type.getTypePtr()); assert (objc_class_type); if (objc_class_type) { ObjCInterfaceDecl *class_interface_decl = objc_class_type->getInterface(); if (class_interface_decl) { ObjCInterfaceDecl *superclass_interface_decl = class_interface_decl->getSuperClass(); if (superclass_interface_decl) { if (omit_empty_base_classes) { if (ObjCDeclHasIVars (superclass_interface_decl, true)) ++num_children; } else ++num_children; } num_children += class_interface_decl->ivar_size(); } } } break; case clang::Type::ObjCObjectPointer: { const ObjCObjectPointerType *pointer_type = cast(qual_type.getTypePtr()); QualType pointee_type = pointer_type->getPointeeType(); uint32_t num_pointee_children = ClangASTType (m_ast,pointee_type).GetNumChildren (omit_empty_base_classes); // If this type points to a simple type, then it has 1 child if (num_pointee_children == 0) num_children = 1; else num_children = num_pointee_children; } break; case clang::Type::Vector: case clang::Type::ExtVector: num_children = cast(qual_type.getTypePtr())->getNumElements(); break; case clang::Type::ConstantArray: num_children = cast(qual_type.getTypePtr())->getSize().getLimitedValue(); break; case clang::Type::Pointer: { const PointerType *pointer_type = cast(qual_type.getTypePtr()); QualType pointee_type (pointer_type->getPointeeType()); uint32_t num_pointee_children = ClangASTType (m_ast,pointee_type).GetNumChildren (omit_empty_base_classes); if (num_pointee_children == 0) { // We have a pointer to a pointee type that claims it has no children. // We will want to look at num_children = ClangASTType (m_ast, pointee_type).GetNumPointeeChildren(); } else num_children = num_pointee_children; } break; case clang::Type::LValueReference: case clang::Type::RValueReference: { const ReferenceType *reference_type = cast(qual_type.getTypePtr()); QualType pointee_type = reference_type->getPointeeType(); uint32_t num_pointee_children = ClangASTType (m_ast, pointee_type).GetNumChildren (omit_empty_base_classes); // If this type points to a simple type, then it has 1 child if (num_pointee_children == 0) num_children = 1; else num_children = num_pointee_children; } break; case clang::Type::Typedef: num_children = ClangASTType (m_ast, cast(qual_type)->getDecl()->getUnderlyingType()).GetNumChildren (omit_empty_base_classes); break; case clang::Type::Elaborated: num_children = ClangASTType (m_ast, cast(qual_type)->getNamedType()).GetNumChildren (omit_empty_base_classes); break; case clang::Type::Paren: num_children = ClangASTType (m_ast, cast(qual_type)->desugar()).GetNumChildren (omit_empty_base_classes); break; default: break; } return num_children; } lldb::BasicType ClangASTType::GetBasicTypeEnumeration () const { if (IsValid()) { QualType qual_type(GetQualType()); const clang::Type::TypeClass type_class = qual_type->getTypeClass(); if (type_class == clang::Type::Builtin) { switch (cast(qual_type)->getKind()) { case clang::BuiltinType::Void: return eBasicTypeVoid; case clang::BuiltinType::Bool: return eBasicTypeBool; case clang::BuiltinType::Char_S: return eBasicTypeSignedChar; case clang::BuiltinType::Char_U: return eBasicTypeUnsignedChar; case clang::BuiltinType::Char16: return eBasicTypeChar16; case clang::BuiltinType::Char32: return eBasicTypeChar32; case clang::BuiltinType::UChar: return eBasicTypeUnsignedChar; case clang::BuiltinType::SChar: return eBasicTypeSignedChar; case clang::BuiltinType::WChar_S: return eBasicTypeSignedWChar; case clang::BuiltinType::WChar_U: return eBasicTypeUnsignedWChar; case clang::BuiltinType::Short: return eBasicTypeShort; case clang::BuiltinType::UShort: return eBasicTypeUnsignedShort; case clang::BuiltinType::Int: return eBasicTypeInt; case clang::BuiltinType::UInt: return eBasicTypeUnsignedInt; case clang::BuiltinType::Long: return eBasicTypeLong; case clang::BuiltinType::ULong: return eBasicTypeUnsignedLong; case clang::BuiltinType::LongLong: return eBasicTypeLongLong; case clang::BuiltinType::ULongLong: return eBasicTypeUnsignedLongLong; case clang::BuiltinType::Int128: return eBasicTypeInt128; case clang::BuiltinType::UInt128: return eBasicTypeUnsignedInt128; case clang::BuiltinType::Half: return eBasicTypeHalf; case clang::BuiltinType::Float: return eBasicTypeFloat; case clang::BuiltinType::Double: return eBasicTypeDouble; case clang::BuiltinType::LongDouble:return eBasicTypeLongDouble; case clang::BuiltinType::NullPtr: return eBasicTypeNullPtr; case clang::BuiltinType::ObjCId: return eBasicTypeObjCID; case clang::BuiltinType::ObjCClass: return eBasicTypeObjCClass; case clang::BuiltinType::ObjCSel: return eBasicTypeObjCSel; case clang::BuiltinType::Dependent: case clang::BuiltinType::Overload: case clang::BuiltinType::BoundMember: case clang::BuiltinType::PseudoObject: case clang::BuiltinType::UnknownAny: case clang::BuiltinType::BuiltinFn: case clang::BuiltinType::ARCUnbridgedCast: case clang::BuiltinType::OCLEvent: case clang::BuiltinType::OCLImage1d: case clang::BuiltinType::OCLImage1dArray: case clang::BuiltinType::OCLImage1dBuffer: case clang::BuiltinType::OCLImage2d: case clang::BuiltinType::OCLImage2dArray: case clang::BuiltinType::OCLImage3d: case clang::BuiltinType::OCLSampler: return eBasicTypeOther; } } } return eBasicTypeInvalid; } #pragma mark Aggregate Types uint32_t ClangASTType::GetNumDirectBaseClasses () const { if (!IsValid()) return 0; uint32_t count = 0; QualType qual_type(GetCanonicalQualType()); const clang::Type::TypeClass type_class = qual_type->getTypeClass(); switch (type_class) { case clang::Type::Record: if (GetCompleteType()) { const CXXRecordDecl *cxx_record_decl = qual_type->getAsCXXRecordDecl(); if (cxx_record_decl) count = cxx_record_decl->getNumBases(); } break; case clang::Type::ObjCObjectPointer: count = GetPointeeType().GetNumDirectBaseClasses(); break; case clang::Type::ObjCObject: if (GetCompleteType()) { const ObjCObjectType *objc_class_type = qual_type->getAsObjCQualifiedInterfaceType(); if (objc_class_type) { ObjCInterfaceDecl *class_interface_decl = objc_class_type->getInterface(); if (class_interface_decl && class_interface_decl->getSuperClass()) count = 1; } } break; case clang::Type::ObjCInterface: if (GetCompleteType()) { const ObjCInterfaceType *objc_interface_type = qual_type->getAs(); if (objc_interface_type) { ObjCInterfaceDecl *class_interface_decl = objc_interface_type->getInterface(); if (class_interface_decl && class_interface_decl->getSuperClass()) count = 1; } } break; case clang::Type::Typedef: count = ClangASTType (m_ast, cast(qual_type)->getDecl()->getUnderlyingType()).GetNumDirectBaseClasses (); break; case clang::Type::Elaborated: count = ClangASTType (m_ast, cast(qual_type)->getNamedType()).GetNumDirectBaseClasses (); break; case clang::Type::Paren: return ClangASTType (m_ast, cast(qual_type)->desugar()).GetNumDirectBaseClasses (); default: break; } return count; } uint32_t ClangASTType::GetNumVirtualBaseClasses () const { if (!IsValid()) return 0; uint32_t count = 0; QualType qual_type(GetCanonicalQualType()); const clang::Type::TypeClass type_class = qual_type->getTypeClass(); switch (type_class) { case clang::Type::Record: if (GetCompleteType()) { const CXXRecordDecl *cxx_record_decl = qual_type->getAsCXXRecordDecl(); if (cxx_record_decl) count = cxx_record_decl->getNumVBases(); } break; case clang::Type::Typedef: count = ClangASTType (m_ast, cast(qual_type)->getDecl()->getUnderlyingType()).GetNumVirtualBaseClasses(); break; case clang::Type::Elaborated: count = ClangASTType (m_ast, cast(qual_type)->getNamedType()).GetNumVirtualBaseClasses(); break; case clang::Type::Paren: count = ClangASTType (m_ast, cast(qual_type)->desugar()).GetNumVirtualBaseClasses(); break; default: break; } return count; } uint32_t ClangASTType::GetNumFields () const { if (!IsValid()) return 0; uint32_t count = 0; QualType qual_type(GetCanonicalQualType()); const clang::Type::TypeClass type_class = qual_type->getTypeClass(); switch (type_class) { case clang::Type::Record: if (GetCompleteType()) { const RecordType *record_type = dyn_cast(qual_type.getTypePtr()); if (record_type) { RecordDecl *record_decl = record_type->getDecl(); if (record_decl) { uint32_t field_idx = 0; RecordDecl::field_iterator field, field_end; for (field = record_decl->field_begin(), field_end = record_decl->field_end(); field != field_end; ++field) ++field_idx; count = field_idx; } } } break; case clang::Type::Typedef: count = ClangASTType (m_ast, cast(qual_type)->getDecl()->getUnderlyingType()).GetNumFields(); break; case clang::Type::Elaborated: count = ClangASTType (m_ast, cast(qual_type)->getNamedType()).GetNumFields(); break; case clang::Type::Paren: count = ClangASTType (m_ast, cast(qual_type)->desugar()).GetNumFields(); break; case clang::Type::ObjCObjectPointer: if (GetCompleteType()) { const ObjCObjectPointerType *objc_class_type = qual_type->getAsObjCInterfacePointerType(); if (objc_class_type) { ObjCInterfaceDecl *class_interface_decl = objc_class_type->getInterfaceDecl(); if (class_interface_decl) count = class_interface_decl->ivar_size(); } } break; case clang::Type::ObjCObject: case clang::Type::ObjCInterface: if (GetCompleteType()) { const ObjCObjectType *objc_class_type = dyn_cast(qual_type.getTypePtr()); if (objc_class_type) { ObjCInterfaceDecl *class_interface_decl = objc_class_type->getInterface(); if (class_interface_decl) count = class_interface_decl->ivar_size(); } } break; default: break; } return count; } ClangASTType ClangASTType::GetDirectBaseClassAtIndex (size_t idx, uint32_t *bit_offset_ptr) const { if (!IsValid()) return ClangASTType(); QualType qual_type(GetCanonicalQualType()); const clang::Type::TypeClass type_class = qual_type->getTypeClass(); switch (type_class) { case clang::Type::Record: if (GetCompleteType()) { const CXXRecordDecl *cxx_record_decl = qual_type->getAsCXXRecordDecl(); if (cxx_record_decl) { uint32_t curr_idx = 0; CXXRecordDecl::base_class_const_iterator base_class, base_class_end; for (base_class = cxx_record_decl->bases_begin(), base_class_end = cxx_record_decl->bases_end(); base_class != base_class_end; ++base_class, ++curr_idx) { if (curr_idx == idx) { if (bit_offset_ptr) { const ASTRecordLayout &record_layout = m_ast->getASTRecordLayout(cxx_record_decl); const CXXRecordDecl *base_class_decl = cast(base_class->getType()->getAs()->getDecl()); if (base_class->isVirtual()) *bit_offset_ptr = record_layout.getVBaseClassOffset(base_class_decl).getQuantity() * 8; else *bit_offset_ptr = record_layout.getBaseClassOffset(base_class_decl).getQuantity() * 8; } return ClangASTType (m_ast, base_class->getType()); } } } } break; case clang::Type::ObjCObjectPointer: return GetPointeeType().GetDirectBaseClassAtIndex(idx,bit_offset_ptr); case clang::Type::ObjCObject: if (idx == 0 && GetCompleteType()) { const ObjCObjectType *objc_class_type = qual_type->getAsObjCQualifiedInterfaceType(); if (objc_class_type) { ObjCInterfaceDecl *class_interface_decl = objc_class_type->getInterface(); if (class_interface_decl) { ObjCInterfaceDecl *superclass_interface_decl = class_interface_decl->getSuperClass(); if (superclass_interface_decl) { if (bit_offset_ptr) *bit_offset_ptr = 0; return ClangASTType (m_ast, m_ast->getObjCInterfaceType(superclass_interface_decl)); } } } } break; case clang::Type::ObjCInterface: if (idx == 0 && GetCompleteType()) { const ObjCObjectType *objc_interface_type = qual_type->getAs(); if (objc_interface_type) { ObjCInterfaceDecl *class_interface_decl = objc_interface_type->getInterface(); if (class_interface_decl) { ObjCInterfaceDecl *superclass_interface_decl = class_interface_decl->getSuperClass(); if (superclass_interface_decl) { if (bit_offset_ptr) *bit_offset_ptr = 0; return ClangASTType (m_ast, m_ast->getObjCInterfaceType(superclass_interface_decl)); } } } } break; case clang::Type::Typedef: return ClangASTType (m_ast, cast(qual_type)->getDecl()->getUnderlyingType()).GetDirectBaseClassAtIndex (idx, bit_offset_ptr); case clang::Type::Elaborated: return ClangASTType (m_ast, cast(qual_type)->getNamedType()).GetDirectBaseClassAtIndex (idx, bit_offset_ptr); case clang::Type::Paren: return ClangASTType (m_ast, cast(qual_type)->desugar()).GetDirectBaseClassAtIndex (idx, bit_offset_ptr); default: break; } return ClangASTType(); } ClangASTType ClangASTType::GetVirtualBaseClassAtIndex (size_t idx, uint32_t *bit_offset_ptr) const { if (!IsValid()) return ClangASTType(); QualType qual_type(GetCanonicalQualType()); const clang::Type::TypeClass type_class = qual_type->getTypeClass(); switch (type_class) { case clang::Type::Record: if (GetCompleteType()) { const CXXRecordDecl *cxx_record_decl = qual_type->getAsCXXRecordDecl(); if (cxx_record_decl) { uint32_t curr_idx = 0; CXXRecordDecl::base_class_const_iterator base_class, base_class_end; for (base_class = cxx_record_decl->vbases_begin(), base_class_end = cxx_record_decl->vbases_end(); base_class != base_class_end; ++base_class, ++curr_idx) { if (curr_idx == idx) { if (bit_offset_ptr) { const ASTRecordLayout &record_layout = m_ast->getASTRecordLayout(cxx_record_decl); const CXXRecordDecl *base_class_decl = cast(base_class->getType()->getAs()->getDecl()); *bit_offset_ptr = record_layout.getVBaseClassOffset(base_class_decl).getQuantity() * 8; } return ClangASTType (m_ast, base_class->getType()); } } } } break; case clang::Type::Typedef: return ClangASTType (m_ast, cast(qual_type)->getDecl()->getUnderlyingType()).GetVirtualBaseClassAtIndex (idx, bit_offset_ptr); case clang::Type::Elaborated: return ClangASTType (m_ast, cast(qual_type)->getNamedType()).GetVirtualBaseClassAtIndex (idx, bit_offset_ptr); case clang::Type::Paren: return ClangASTType (m_ast, cast(qual_type)->desugar()).GetVirtualBaseClassAtIndex (idx, bit_offset_ptr); default: break; } return ClangASTType(); } static clang_type_t GetObjCFieldAtIndex (clang::ASTContext *ast, ObjCInterfaceDecl *class_interface_decl, size_t idx, std::string& name, uint64_t *bit_offset_ptr, uint32_t *bitfield_bit_size_ptr, bool *is_bitfield_ptr) { if (class_interface_decl) { if (idx < (class_interface_decl->ivar_size())) { ObjCInterfaceDecl::ivar_iterator ivar_pos, ivar_end = class_interface_decl->ivar_end(); uint32_t ivar_idx = 0; for (ivar_pos = class_interface_decl->ivar_begin(); ivar_pos != ivar_end; ++ivar_pos, ++ivar_idx) { if (ivar_idx == idx) { const ObjCIvarDecl* ivar_decl = *ivar_pos; QualType ivar_qual_type(ivar_decl->getType()); name.assign(ivar_decl->getNameAsString()); if (bit_offset_ptr) { const ASTRecordLayout &interface_layout = ast->getASTObjCInterfaceLayout(class_interface_decl); *bit_offset_ptr = interface_layout.getFieldOffset (ivar_idx); } const bool is_bitfield = ivar_pos->isBitField(); if (bitfield_bit_size_ptr) { *bitfield_bit_size_ptr = 0; if (is_bitfield && ast) { Expr *bitfield_bit_size_expr = ivar_pos->getBitWidth(); llvm::APSInt bitfield_apsint; if (bitfield_bit_size_expr && bitfield_bit_size_expr->EvaluateAsInt(bitfield_apsint, *ast)) { *bitfield_bit_size_ptr = bitfield_apsint.getLimitedValue(); } } } if (is_bitfield_ptr) *is_bitfield_ptr = is_bitfield; return ivar_qual_type.getAsOpaquePtr(); } } } } return NULL; } ClangASTType ClangASTType::GetFieldAtIndex (size_t idx, std::string& name, uint64_t *bit_offset_ptr, uint32_t *bitfield_bit_size_ptr, bool *is_bitfield_ptr) const { if (!IsValid()) return ClangASTType(); QualType qual_type(GetCanonicalQualType()); const clang::Type::TypeClass type_class = qual_type->getTypeClass(); switch (type_class) { case clang::Type::Record: if (GetCompleteType()) { const RecordType *record_type = cast(qual_type.getTypePtr()); const RecordDecl *record_decl = record_type->getDecl(); uint32_t field_idx = 0; RecordDecl::field_iterator field, field_end; for (field = record_decl->field_begin(), field_end = record_decl->field_end(); field != field_end; ++field, ++field_idx) { if (idx == field_idx) { // Print the member type if requested // Print the member name and equal sign name.assign(field->getNameAsString()); // Figure out the type byte size (field_type_info.first) and // alignment (field_type_info.second) from the AST context. if (bit_offset_ptr) { const ASTRecordLayout &record_layout = m_ast->getASTRecordLayout(record_decl); *bit_offset_ptr = record_layout.getFieldOffset (field_idx); } const bool is_bitfield = field->isBitField(); if (bitfield_bit_size_ptr) { *bitfield_bit_size_ptr = 0; if (is_bitfield) { Expr *bitfield_bit_size_expr = field->getBitWidth(); llvm::APSInt bitfield_apsint; if (bitfield_bit_size_expr && bitfield_bit_size_expr->EvaluateAsInt(bitfield_apsint, *m_ast)) { *bitfield_bit_size_ptr = bitfield_apsint.getLimitedValue(); } } } if (is_bitfield_ptr) *is_bitfield_ptr = is_bitfield; return ClangASTType (m_ast, field->getType()); } } } break; case clang::Type::ObjCObjectPointer: if (GetCompleteType()) { const ObjCObjectPointerType *objc_class_type = qual_type->getAsObjCInterfacePointerType(); if (objc_class_type) { ObjCInterfaceDecl *class_interface_decl = objc_class_type->getInterfaceDecl(); return ClangASTType (m_ast, GetObjCFieldAtIndex(m_ast, class_interface_decl, idx, name, bit_offset_ptr, bitfield_bit_size_ptr, is_bitfield_ptr)); } } break; case clang::Type::ObjCObject: case clang::Type::ObjCInterface: if (GetCompleteType()) { const ObjCObjectType *objc_class_type = dyn_cast(qual_type.getTypePtr()); assert (objc_class_type); if (objc_class_type) { ObjCInterfaceDecl *class_interface_decl = objc_class_type->getInterface(); return ClangASTType (m_ast, GetObjCFieldAtIndex(m_ast, class_interface_decl, idx, name, bit_offset_ptr, bitfield_bit_size_ptr, is_bitfield_ptr)); } } break; case clang::Type::Typedef: return ClangASTType (m_ast, cast(qual_type)->getDecl()->getUnderlyingType()). GetFieldAtIndex (idx, name, bit_offset_ptr, bitfield_bit_size_ptr, is_bitfield_ptr); case clang::Type::Elaborated: return ClangASTType (m_ast, cast(qual_type)->getNamedType()). GetFieldAtIndex (idx, name, bit_offset_ptr, bitfield_bit_size_ptr, is_bitfield_ptr); case clang::Type::Paren: return ClangASTType (m_ast, cast(qual_type)->desugar()). GetFieldAtIndex (idx, name, bit_offset_ptr, bitfield_bit_size_ptr, is_bitfield_ptr); default: break; } return ClangASTType(); } uint32_t ClangASTType::GetIndexOfFieldWithName (const char* name, ClangASTType* field_clang_type_ptr, uint64_t *bit_offset_ptr, uint32_t *bitfield_bit_size_ptr, bool *is_bitfield_ptr) const { unsigned count = GetNumFields(); std::string field_name; for (unsigned index = 0; index < count; index++) { ClangASTType field_clang_type (GetFieldAtIndex(index, field_name, bit_offset_ptr, bitfield_bit_size_ptr, is_bitfield_ptr)); if (strcmp(field_name.c_str(), name) == 0) { if (field_clang_type_ptr) *field_clang_type_ptr = field_clang_type; return index; } } return UINT32_MAX; } // If a pointer to a pointee type (the clang_type arg) says that it has no // children, then we either need to trust it, or override it and return a // different result. For example, an "int *" has one child that is an integer, // but a function pointer doesn't have any children. Likewise if a Record type // claims it has no children, then there really is nothing to show. uint32_t ClangASTType::GetNumPointeeChildren () const { if (!IsValid()) return 0; QualType qual_type(GetCanonicalQualType()); const clang::Type::TypeClass type_class = qual_type->getTypeClass(); switch (type_class) { case clang::Type::Builtin: switch (cast(qual_type)->getKind()) { case clang::BuiltinType::UnknownAny: case clang::BuiltinType::Void: case clang::BuiltinType::NullPtr: case clang::BuiltinType::OCLEvent: case clang::BuiltinType::OCLImage1d: case clang::BuiltinType::OCLImage1dArray: case clang::BuiltinType::OCLImage1dBuffer: case clang::BuiltinType::OCLImage2d: case clang::BuiltinType::OCLImage2dArray: case clang::BuiltinType::OCLImage3d: case clang::BuiltinType::OCLSampler: return 0; case clang::BuiltinType::Bool: case clang::BuiltinType::Char_U: case clang::BuiltinType::UChar: case clang::BuiltinType::WChar_U: case clang::BuiltinType::Char16: case clang::BuiltinType::Char32: case clang::BuiltinType::UShort: case clang::BuiltinType::UInt: case clang::BuiltinType::ULong: case clang::BuiltinType::ULongLong: case clang::BuiltinType::UInt128: case clang::BuiltinType::Char_S: case clang::BuiltinType::SChar: case clang::BuiltinType::WChar_S: case clang::BuiltinType::Short: case clang::BuiltinType::Int: case clang::BuiltinType::Long: case clang::BuiltinType::LongLong: case clang::BuiltinType::Int128: case clang::BuiltinType::Float: case clang::BuiltinType::Double: case clang::BuiltinType::LongDouble: case clang::BuiltinType::Dependent: case clang::BuiltinType::Overload: case clang::BuiltinType::ObjCId: case clang::BuiltinType::ObjCClass: case clang::BuiltinType::ObjCSel: case clang::BuiltinType::BoundMember: case clang::BuiltinType::Half: case clang::BuiltinType::ARCUnbridgedCast: case clang::BuiltinType::PseudoObject: case clang::BuiltinType::BuiltinFn: return 1; } break; case clang::Type::Complex: return 1; case clang::Type::Pointer: return 1; case clang::Type::BlockPointer: return 0; // If block pointers don't have debug info, then no children for them case clang::Type::LValueReference: return 1; case clang::Type::RValueReference: return 1; case clang::Type::MemberPointer: return 0; case clang::Type::ConstantArray: return 0; case clang::Type::IncompleteArray: return 0; case clang::Type::VariableArray: return 0; case clang::Type::DependentSizedArray: return 0; case clang::Type::DependentSizedExtVector: return 0; case clang::Type::Vector: return 0; case clang::Type::ExtVector: return 0; case clang::Type::FunctionProto: return 0; // When we function pointers, they have no children... case clang::Type::FunctionNoProto: return 0; // When we function pointers, they have no children... case clang::Type::UnresolvedUsing: return 0; case clang::Type::Paren: return ClangASTType (m_ast, cast(qual_type)->desugar()).GetNumPointeeChildren (); case clang::Type::Typedef: return ClangASTType (m_ast, cast(qual_type)->getDecl()->getUnderlyingType()).GetNumPointeeChildren (); case clang::Type::Elaborated: return ClangASTType (m_ast, cast(qual_type)->getNamedType()).GetNumPointeeChildren (); case clang::Type::TypeOfExpr: return 0; case clang::Type::TypeOf: return 0; case clang::Type::Decltype: return 0; case clang::Type::Record: return 0; case clang::Type::Enum: return 1; case clang::Type::TemplateTypeParm: return 1; case clang::Type::SubstTemplateTypeParm: return 1; case clang::Type::TemplateSpecialization: return 1; case clang::Type::InjectedClassName: return 0; case clang::Type::DependentName: return 1; case clang::Type::DependentTemplateSpecialization: return 1; case clang::Type::ObjCObject: return 0; case clang::Type::ObjCInterface: return 0; case clang::Type::ObjCObjectPointer: return 1; default: break; } return 0; } ClangASTType ClangASTType::GetChildClangTypeAtIndex (ExecutionContext *exe_ctx, const char *parent_name, size_t idx, bool transparent_pointers, bool omit_empty_base_classes, bool ignore_array_bounds, std::string& child_name, uint32_t &child_byte_size, int32_t &child_byte_offset, uint32_t &child_bitfield_bit_size, uint32_t &child_bitfield_bit_offset, bool &child_is_base_class, bool &child_is_deref_of_parent) const { if (!IsValid()) return ClangASTType(); QualType parent_qual_type(GetCanonicalQualType()); const clang::Type::TypeClass parent_type_class = parent_qual_type->getTypeClass(); child_bitfield_bit_size = 0; child_bitfield_bit_offset = 0; child_is_base_class = false; const bool idx_is_valid = idx < GetNumChildren (omit_empty_base_classes); uint32_t bit_offset; switch (parent_type_class) { case clang::Type::Builtin: if (idx_is_valid) { switch (cast(parent_qual_type)->getKind()) { case clang::BuiltinType::ObjCId: case clang::BuiltinType::ObjCClass: child_name = "isa"; child_byte_size = m_ast->getTypeSize(m_ast->ObjCBuiltinClassTy) / CHAR_BIT; return ClangASTType (m_ast, m_ast->ObjCBuiltinClassTy); default: break; } } break; case clang::Type::Record: if (idx_is_valid && GetCompleteType()) { const RecordType *record_type = cast(parent_qual_type.getTypePtr()); const RecordDecl *record_decl = record_type->getDecl(); assert(record_decl); const ASTRecordLayout &record_layout = m_ast->getASTRecordLayout(record_decl); uint32_t child_idx = 0; const CXXRecordDecl *cxx_record_decl = dyn_cast(record_decl); if (cxx_record_decl) { // We might have base classes to print out first CXXRecordDecl::base_class_const_iterator base_class, base_class_end; for (base_class = cxx_record_decl->bases_begin(), base_class_end = cxx_record_decl->bases_end(); base_class != base_class_end; ++base_class) { const CXXRecordDecl *base_class_decl = NULL; // Skip empty base classes if (omit_empty_base_classes) { base_class_decl = cast(base_class->getType()->getAs()->getDecl()); if (ClangASTContext::RecordHasFields(base_class_decl) == false) continue; } if (idx == child_idx) { if (base_class_decl == NULL) base_class_decl = cast(base_class->getType()->getAs()->getDecl()); if (base_class->isVirtual()) bit_offset = record_layout.getVBaseClassOffset(base_class_decl).getQuantity() * 8; else bit_offset = record_layout.getBaseClassOffset(base_class_decl).getQuantity() * 8; // Base classes should be a multiple of 8 bits in size child_byte_offset = bit_offset/8; ClangASTType base_class_clang_type(m_ast, base_class->getType()); child_name = base_class_clang_type.GetTypeName().AsCString(""); uint64_t base_class_clang_type_bit_size = base_class_clang_type.GetBitSize(); // Base classes bit sizes should be a multiple of 8 bits in size assert (base_class_clang_type_bit_size % 8 == 0); child_byte_size = base_class_clang_type_bit_size / 8; child_is_base_class = true; return base_class_clang_type; } // We don't increment the child index in the for loop since we might // be skipping empty base classes ++child_idx; } } // Make sure index is in range... uint32_t field_idx = 0; RecordDecl::field_iterator field, field_end; for (field = record_decl->field_begin(), field_end = record_decl->field_end(); field != field_end; ++field, ++field_idx, ++child_idx) { if (idx == child_idx) { // Print the member type if requested // Print the member name and equal sign child_name.assign(field->getNameAsString().c_str()); // Figure out the type byte size (field_type_info.first) and // alignment (field_type_info.second) from the AST context. ClangASTType field_clang_type (m_ast, field->getType()); assert(field_idx < record_layout.getFieldCount()); child_byte_size = field_clang_type.GetByteSize(); // Figure out the field offset within the current struct/union/class type bit_offset = record_layout.getFieldOffset (field_idx); child_byte_offset = bit_offset / 8; if (ClangASTContext::FieldIsBitfield (m_ast, *field, child_bitfield_bit_size)) child_bitfield_bit_offset = bit_offset % 8; return field_clang_type; } } } break; case clang::Type::ObjCObject: case clang::Type::ObjCInterface: if (idx_is_valid && GetCompleteType()) { const ObjCObjectType *objc_class_type = dyn_cast(parent_qual_type.getTypePtr()); assert (objc_class_type); if (objc_class_type) { uint32_t child_idx = 0; ObjCInterfaceDecl *class_interface_decl = objc_class_type->getInterface(); if (class_interface_decl) { const ASTRecordLayout &interface_layout = m_ast->getASTObjCInterfaceLayout(class_interface_decl); ObjCInterfaceDecl *superclass_interface_decl = class_interface_decl->getSuperClass(); if (superclass_interface_decl) { if (omit_empty_base_classes) { ClangASTType base_class_clang_type (m_ast, m_ast->getObjCInterfaceType(superclass_interface_decl)); if (base_class_clang_type.GetNumChildren(omit_empty_base_classes) > 0) { if (idx == 0) { QualType ivar_qual_type(m_ast->getObjCInterfaceType(superclass_interface_decl)); child_name.assign(superclass_interface_decl->getNameAsString().c_str()); std::pair ivar_type_info = m_ast->getTypeInfo(ivar_qual_type.getTypePtr()); child_byte_size = ivar_type_info.first / 8; child_byte_offset = 0; child_is_base_class = true; return ClangASTType (m_ast, ivar_qual_type); } ++child_idx; } } else ++child_idx; } const uint32_t superclass_idx = child_idx; if (idx < (child_idx + class_interface_decl->ivar_size())) { ObjCInterfaceDecl::ivar_iterator ivar_pos, ivar_end = class_interface_decl->ivar_end(); for (ivar_pos = class_interface_decl->ivar_begin(); ivar_pos != ivar_end; ++ivar_pos) { if (child_idx == idx) { ObjCIvarDecl* ivar_decl = *ivar_pos; QualType ivar_qual_type(ivar_decl->getType()); child_name.assign(ivar_decl->getNameAsString().c_str()); std::pair ivar_type_info = m_ast->getTypeInfo(ivar_qual_type.getTypePtr()); child_byte_size = ivar_type_info.first / 8; // Figure out the field offset within the current struct/union/class type // For ObjC objects, we can't trust the bit offset we get from the Clang AST, since // that doesn't account for the space taken up by unbacked properties, or from // the changing size of base classes that are newer than this class. // So if we have a process around that we can ask about this object, do so. child_byte_offset = LLDB_INVALID_IVAR_OFFSET; Process *process = NULL; if (exe_ctx) process = exe_ctx->GetProcessPtr(); if (process) { ObjCLanguageRuntime *objc_runtime = process->GetObjCLanguageRuntime(); if (objc_runtime != NULL) { ClangASTType parent_ast_type (m_ast, parent_qual_type); child_byte_offset = objc_runtime->GetByteOffsetForIvar (parent_ast_type, ivar_decl->getNameAsString().c_str()); } } // Setting this to UINT32_MAX to make sure we don't compute it twice... bit_offset = UINT32_MAX; if (child_byte_offset == LLDB_INVALID_IVAR_OFFSET) { bit_offset = interface_layout.getFieldOffset (child_idx - superclass_idx); child_byte_offset = bit_offset / 8; } // Note, the ObjC Ivar Byte offset is just that, it doesn't account for the bit offset // of a bitfield within its containing object. So regardless of where we get the byte // offset from, we still need to get the bit offset for bitfields from the layout. if (ClangASTContext::FieldIsBitfield (m_ast, ivar_decl, child_bitfield_bit_size)) { if (bit_offset == UINT32_MAX) bit_offset = interface_layout.getFieldOffset (child_idx - superclass_idx); child_bitfield_bit_offset = bit_offset % 8; } return ClangASTType (m_ast, ivar_qual_type); } ++child_idx; } } } } } break; case clang::Type::ObjCObjectPointer: if (idx_is_valid) { ClangASTType pointee_clang_type (GetPointeeType()); if (transparent_pointers && pointee_clang_type.IsAggregateType()) { child_is_deref_of_parent = false; bool tmp_child_is_deref_of_parent = false; return pointee_clang_type.GetChildClangTypeAtIndex (exe_ctx, parent_name, idx, transparent_pointers, omit_empty_base_classes, ignore_array_bounds, child_name, child_byte_size, child_byte_offset, child_bitfield_bit_size, child_bitfield_bit_offset, child_is_base_class, tmp_child_is_deref_of_parent); } else { child_is_deref_of_parent = true; if (parent_name) { child_name.assign(1, '*'); child_name += parent_name; } // We have a pointer to an simple type if (idx == 0 && pointee_clang_type.GetCompleteType()) { child_byte_size = pointee_clang_type.GetByteSize(); child_byte_offset = 0; return pointee_clang_type; } } } break; case clang::Type::Vector: case clang::Type::ExtVector: if (idx_is_valid) { const VectorType *array = cast(parent_qual_type.getTypePtr()); if (array) { ClangASTType element_type (m_ast, array->getElementType()); if (element_type.GetCompleteType()) { char element_name[64]; ::snprintf (element_name, sizeof (element_name), "[%zu]", idx); child_name.assign(element_name); child_byte_size = element_type.GetByteSize(); child_byte_offset = (int32_t)idx * (int32_t)child_byte_size; return element_type; } } } break; case clang::Type::ConstantArray: case clang::Type::IncompleteArray: if (ignore_array_bounds || idx_is_valid) { const ArrayType *array = cast(parent_qual_type.getTypePtr()); if (array) { ClangASTType element_type (m_ast, array->getElementType()); if (element_type.GetCompleteType()) { char element_name[64]; ::snprintf (element_name, sizeof (element_name), "[%zu]", idx); child_name.assign(element_name); child_byte_size = element_type.GetByteSize(); child_byte_offset = (int32_t)idx * (int32_t)child_byte_size; return element_type; } } } break; case clang::Type::Pointer: if (idx_is_valid) { ClangASTType pointee_clang_type (GetPointeeType()); // Don't dereference "void *" pointers if (pointee_clang_type.IsVoidType()) return ClangASTType(); if (transparent_pointers && pointee_clang_type.IsAggregateType ()) { child_is_deref_of_parent = false; bool tmp_child_is_deref_of_parent = false; return pointee_clang_type.GetChildClangTypeAtIndex (exe_ctx, parent_name, idx, transparent_pointers, omit_empty_base_classes, ignore_array_bounds, child_name, child_byte_size, child_byte_offset, child_bitfield_bit_size, child_bitfield_bit_offset, child_is_base_class, tmp_child_is_deref_of_parent); } else { child_is_deref_of_parent = true; if (parent_name) { child_name.assign(1, '*'); child_name += parent_name; } // We have a pointer to an simple type if (idx == 0) { child_byte_size = pointee_clang_type.GetByteSize(); child_byte_offset = 0; return pointee_clang_type; } } } break; case clang::Type::LValueReference: case clang::Type::RValueReference: if (idx_is_valid) { const ReferenceType *reference_type = cast(parent_qual_type.getTypePtr()); ClangASTType pointee_clang_type (m_ast, reference_type->getPointeeType()); if (transparent_pointers && pointee_clang_type.IsAggregateType ()) { child_is_deref_of_parent = false; bool tmp_child_is_deref_of_parent = false; return pointee_clang_type.GetChildClangTypeAtIndex (exe_ctx, parent_name, idx, transparent_pointers, omit_empty_base_classes, ignore_array_bounds, child_name, child_byte_size, child_byte_offset, child_bitfield_bit_size, child_bitfield_bit_offset, child_is_base_class, tmp_child_is_deref_of_parent); } else { if (parent_name) { child_name.assign(1, '&'); child_name += parent_name; } // We have a pointer to an simple type if (idx == 0) { child_byte_size = pointee_clang_type.GetByteSize(); child_byte_offset = 0; return pointee_clang_type; } } } break; case clang::Type::Typedef: { ClangASTType typedefed_clang_type (m_ast, cast(parent_qual_type)->getDecl()->getUnderlyingType()); return typedefed_clang_type.GetChildClangTypeAtIndex (exe_ctx, parent_name, idx, transparent_pointers, omit_empty_base_classes, ignore_array_bounds, child_name, child_byte_size, child_byte_offset, child_bitfield_bit_size, child_bitfield_bit_offset, child_is_base_class, child_is_deref_of_parent); } break; case clang::Type::Elaborated: { ClangASTType elaborated_clang_type (m_ast, cast(parent_qual_type)->getNamedType()); return elaborated_clang_type.GetChildClangTypeAtIndex (exe_ctx, parent_name, idx, transparent_pointers, omit_empty_base_classes, ignore_array_bounds, child_name, child_byte_size, child_byte_offset, child_bitfield_bit_size, child_bitfield_bit_offset, child_is_base_class, child_is_deref_of_parent); } case clang::Type::Paren: { ClangASTType paren_clang_type (m_ast, llvm::cast(parent_qual_type)->desugar()); return paren_clang_type.GetChildClangTypeAtIndex (exe_ctx, parent_name, idx, transparent_pointers, omit_empty_base_classes, ignore_array_bounds, child_name, child_byte_size, child_byte_offset, child_bitfield_bit_size, child_bitfield_bit_offset, child_is_base_class, child_is_deref_of_parent); } default: break; } return ClangASTType(); } static inline bool BaseSpecifierIsEmpty (const CXXBaseSpecifier *b) { return ClangASTContext::RecordHasFields(b->getType()->getAsCXXRecordDecl()) == false; } static uint32_t GetIndexForRecordBase ( const RecordDecl *record_decl, const CXXBaseSpecifier *base_spec, bool omit_empty_base_classes ) { uint32_t child_idx = 0; const CXXRecordDecl *cxx_record_decl = dyn_cast(record_decl); // const char *super_name = record_decl->getNameAsCString(); // const char *base_name = base_spec->getType()->getAs()->getDecl()->getNameAsCString(); // printf ("GetIndexForRecordChild (%s, %s)\n", super_name, base_name); // if (cxx_record_decl) { CXXRecordDecl::base_class_const_iterator base_class, base_class_end; for (base_class = cxx_record_decl->bases_begin(), base_class_end = cxx_record_decl->bases_end(); base_class != base_class_end; ++base_class) { if (omit_empty_base_classes) { if (BaseSpecifierIsEmpty (base_class)) continue; } // printf ("GetIndexForRecordChild (%s, %s) base[%u] = %s\n", super_name, base_name, // child_idx, // base_class->getType()->getAs()->getDecl()->getNameAsCString()); // // if (base_class == base_spec) return child_idx; ++child_idx; } } return UINT32_MAX; } static uint32_t GetIndexForRecordChild (const RecordDecl *record_decl, NamedDecl *canonical_decl, bool omit_empty_base_classes) { uint32_t child_idx = ClangASTContext::GetNumBaseClasses (dyn_cast(record_decl), omit_empty_base_classes); RecordDecl::field_iterator field, field_end; for (field = record_decl->field_begin(), field_end = record_decl->field_end(); field != field_end; ++field, ++child_idx) { if (field->getCanonicalDecl() == canonical_decl) return child_idx; } return UINT32_MAX; } // Look for a child member (doesn't include base classes, but it does include // their members) in the type hierarchy. Returns an index path into "clang_type" // on how to reach the appropriate member. // // class A // { // public: // int m_a; // int m_b; // }; // // class B // { // }; // // class C : // public B, // public A // { // }; // // If we have a clang type that describes "class C", and we wanted to looked // "m_b" in it: // // With omit_empty_base_classes == false we would get an integer array back with: // { 1, 1 } // The first index 1 is the child index for "class A" within class C // The second index 1 is the child index for "m_b" within class A // // With omit_empty_base_classes == true we would get an integer array back with: // { 0, 1 } // The first index 0 is the child index for "class A" within class C (since class B doesn't have any members it doesn't count) // The second index 1 is the child index for "m_b" within class A size_t ClangASTType::GetIndexOfChildMemberWithName (const char *name, bool omit_empty_base_classes, std::vector& child_indexes) const { if (IsValid() && name && name[0]) { QualType qual_type(GetCanonicalQualType()); const clang::Type::TypeClass type_class = qual_type->getTypeClass(); switch (type_class) { case clang::Type::Record: if (GetCompleteType ()) { const RecordType *record_type = cast(qual_type.getTypePtr()); const RecordDecl *record_decl = record_type->getDecl(); assert(record_decl); uint32_t child_idx = 0; const CXXRecordDecl *cxx_record_decl = dyn_cast(record_decl); // Try and find a field that matches NAME RecordDecl::field_iterator field, field_end; StringRef name_sref(name); for (field = record_decl->field_begin(), field_end = record_decl->field_end(); field != field_end; ++field, ++child_idx) { llvm::StringRef field_name = field->getName(); if (field_name.empty()) { ClangASTType field_type(m_ast,field->getType()); child_indexes.push_back(child_idx); if (field_type.GetIndexOfChildMemberWithName(name, omit_empty_base_classes, child_indexes)) return child_indexes.size(); child_indexes.pop_back(); } else if (field_name.equals (name_sref)) { // We have to add on the number of base classes to this index! child_indexes.push_back (child_idx + ClangASTContext::GetNumBaseClasses (cxx_record_decl, omit_empty_base_classes)); return child_indexes.size(); } } if (cxx_record_decl) { const RecordDecl *parent_record_decl = cxx_record_decl; //printf ("parent = %s\n", parent_record_decl->getNameAsCString()); //const Decl *root_cdecl = cxx_record_decl->getCanonicalDecl(); // Didn't find things easily, lets let clang do its thang... IdentifierInfo & ident_ref = m_ast->Idents.get(name_sref); DeclarationName decl_name(&ident_ref); CXXBasePaths paths; if (cxx_record_decl->lookupInBases(CXXRecordDecl::FindOrdinaryMember, decl_name.getAsOpaquePtr(), paths)) { CXXBasePaths::const_paths_iterator path, path_end = paths.end(); for (path = paths.begin(); path != path_end; ++path) { const size_t num_path_elements = path->size(); for (size_t e=0; e(elem.Base->getType()->getAs()->getDecl()); } } for (NamedDecl *path_decl : path->Decls) { child_idx = GetIndexForRecordChild (parent_record_decl, path_decl, omit_empty_base_classes); if (child_idx == UINT32_MAX) { child_indexes.clear(); return 0; } else { child_indexes.push_back (child_idx); } } } return child_indexes.size(); } } } break; case clang::Type::ObjCObject: case clang::Type::ObjCInterface: if (GetCompleteType ()) { StringRef name_sref(name); const ObjCObjectType *objc_class_type = dyn_cast(qual_type.getTypePtr()); assert (objc_class_type); if (objc_class_type) { uint32_t child_idx = 0; ObjCInterfaceDecl *class_interface_decl = objc_class_type->getInterface(); if (class_interface_decl) { ObjCInterfaceDecl::ivar_iterator ivar_pos, ivar_end = class_interface_decl->ivar_end(); ObjCInterfaceDecl *superclass_interface_decl = class_interface_decl->getSuperClass(); for (ivar_pos = class_interface_decl->ivar_begin(); ivar_pos != ivar_end; ++ivar_pos, ++child_idx) { const ObjCIvarDecl* ivar_decl = *ivar_pos; if (ivar_decl->getName().equals (name_sref)) { if ((!omit_empty_base_classes && superclass_interface_decl) || ( omit_empty_base_classes && ObjCDeclHasIVars (superclass_interface_decl, true))) ++child_idx; child_indexes.push_back (child_idx); return child_indexes.size(); } } if (superclass_interface_decl) { // The super class index is always zero for ObjC classes, // so we push it onto the child indexes in case we find // an ivar in our superclass... child_indexes.push_back (0); ClangASTType superclass_clang_type (m_ast, m_ast->getObjCInterfaceType(superclass_interface_decl)); if (superclass_clang_type.GetIndexOfChildMemberWithName (name, omit_empty_base_classes, child_indexes)) { // We did find an ivar in a superclass so just // return the results! return child_indexes.size(); } // We didn't find an ivar matching "name" in our // superclass, pop the superclass zero index that // we pushed on above. child_indexes.pop_back(); } } } } break; case clang::Type::ObjCObjectPointer: { ClangASTType objc_object_clang_type (m_ast, cast(qual_type.getTypePtr())->getPointeeType()); return objc_object_clang_type.GetIndexOfChildMemberWithName (name, omit_empty_base_classes, child_indexes); } break; case clang::Type::ConstantArray: { // const ConstantArrayType *array = cast(parent_qual_type.getTypePtr()); // const uint64_t element_count = array->getSize().getLimitedValue(); // // if (idx < element_count) // { // std::pair field_type_info = ast->getTypeInfo(array->getElementType()); // // char element_name[32]; // ::snprintf (element_name, sizeof (element_name), "%s[%u]", parent_name ? parent_name : "", idx); // // child_name.assign(element_name); // assert(field_type_info.first % 8 == 0); // child_byte_size = field_type_info.first / 8; // child_byte_offset = idx * child_byte_size; // return array->getElementType().getAsOpaquePtr(); // } } break; // case clang::Type::MemberPointerType: // { // MemberPointerType *mem_ptr_type = cast(qual_type.getTypePtr()); // QualType pointee_type = mem_ptr_type->getPointeeType(); // // if (ClangASTContext::IsAggregateType (pointee_type.getAsOpaquePtr())) // { // return GetIndexOfChildWithName (ast, // mem_ptr_type->getPointeeType().getAsOpaquePtr(), // name); // } // } // break; // case clang::Type::LValueReference: case clang::Type::RValueReference: { const ReferenceType *reference_type = cast(qual_type.getTypePtr()); QualType pointee_type(reference_type->getPointeeType()); ClangASTType pointee_clang_type (m_ast, pointee_type); if (pointee_clang_type.IsAggregateType ()) { return pointee_clang_type.GetIndexOfChildMemberWithName (name, omit_empty_base_classes, child_indexes); } } break; case clang::Type::Pointer: { ClangASTType pointee_clang_type (GetPointeeType()); if (pointee_clang_type.IsAggregateType ()) { return pointee_clang_type.GetIndexOfChildMemberWithName (name, omit_empty_base_classes, child_indexes); } } break; case clang::Type::Typedef: return ClangASTType (m_ast, cast(qual_type)->getDecl()->getUnderlyingType()).GetIndexOfChildMemberWithName (name, omit_empty_base_classes, child_indexes); case clang::Type::Elaborated: return ClangASTType (m_ast, cast(qual_type)->getNamedType()).GetIndexOfChildMemberWithName (name, omit_empty_base_classes, child_indexes); case clang::Type::Paren: return ClangASTType (m_ast, cast(qual_type)->desugar()).GetIndexOfChildMemberWithName (name, omit_empty_base_classes, child_indexes); default: break; } } return 0; } // Get the index of the child of "clang_type" whose name matches. This function // doesn't descend into the children, but only looks one level deep and name // matches can include base class names. uint32_t ClangASTType::GetIndexOfChildWithName (const char *name, bool omit_empty_base_classes) const { if (IsValid() && name && name[0]) { QualType qual_type(GetCanonicalQualType()); const clang::Type::TypeClass type_class = qual_type->getTypeClass(); switch (type_class) { case clang::Type::Record: if (GetCompleteType ()) { const RecordType *record_type = cast(qual_type.getTypePtr()); const RecordDecl *record_decl = record_type->getDecl(); assert(record_decl); uint32_t child_idx = 0; const CXXRecordDecl *cxx_record_decl = dyn_cast(record_decl); if (cxx_record_decl) { CXXRecordDecl::base_class_const_iterator base_class, base_class_end; for (base_class = cxx_record_decl->bases_begin(), base_class_end = cxx_record_decl->bases_end(); base_class != base_class_end; ++base_class) { // Skip empty base classes CXXRecordDecl *base_class_decl = cast(base_class->getType()->getAs()->getDecl()); if (omit_empty_base_classes && ClangASTContext::RecordHasFields(base_class_decl) == false) continue; ClangASTType base_class_clang_type (m_ast, base_class->getType()); std::string base_class_type_name (base_class_clang_type.GetTypeName().AsCString("")); if (base_class_type_name.compare (name) == 0) return child_idx; ++child_idx; } } // Try and find a field that matches NAME RecordDecl::field_iterator field, field_end; StringRef name_sref(name); for (field = record_decl->field_begin(), field_end = record_decl->field_end(); field != field_end; ++field, ++child_idx) { if (field->getName().equals (name_sref)) return child_idx; } } break; case clang::Type::ObjCObject: case clang::Type::ObjCInterface: if (GetCompleteType()) { StringRef name_sref(name); const ObjCObjectType *objc_class_type = dyn_cast(qual_type.getTypePtr()); assert (objc_class_type); if (objc_class_type) { uint32_t child_idx = 0; ObjCInterfaceDecl *class_interface_decl = objc_class_type->getInterface(); if (class_interface_decl) { ObjCInterfaceDecl::ivar_iterator ivar_pos, ivar_end = class_interface_decl->ivar_end(); ObjCInterfaceDecl *superclass_interface_decl = class_interface_decl->getSuperClass(); for (ivar_pos = class_interface_decl->ivar_begin(); ivar_pos != ivar_end; ++ivar_pos, ++child_idx) { const ObjCIvarDecl* ivar_decl = *ivar_pos; if (ivar_decl->getName().equals (name_sref)) { if ((!omit_empty_base_classes && superclass_interface_decl) || ( omit_empty_base_classes && ObjCDeclHasIVars (superclass_interface_decl, true))) ++child_idx; return child_idx; } } if (superclass_interface_decl) { if (superclass_interface_decl->getName().equals (name_sref)) return 0; } } } } break; case clang::Type::ObjCObjectPointer: { ClangASTType pointee_clang_type (m_ast, cast(qual_type.getTypePtr())->getPointeeType()); return pointee_clang_type.GetIndexOfChildWithName (name, omit_empty_base_classes); } break; case clang::Type::ConstantArray: { // const ConstantArrayType *array = cast(parent_qual_type.getTypePtr()); // const uint64_t element_count = array->getSize().getLimitedValue(); // // if (idx < element_count) // { // std::pair field_type_info = ast->getTypeInfo(array->getElementType()); // // char element_name[32]; // ::snprintf (element_name, sizeof (element_name), "%s[%u]", parent_name ? parent_name : "", idx); // // child_name.assign(element_name); // assert(field_type_info.first % 8 == 0); // child_byte_size = field_type_info.first / 8; // child_byte_offset = idx * child_byte_size; // return array->getElementType().getAsOpaquePtr(); // } } break; // case clang::Type::MemberPointerType: // { // MemberPointerType *mem_ptr_type = cast(qual_type.getTypePtr()); // QualType pointee_type = mem_ptr_type->getPointeeType(); // // if (ClangASTContext::IsAggregateType (pointee_type.getAsOpaquePtr())) // { // return GetIndexOfChildWithName (ast, // mem_ptr_type->getPointeeType().getAsOpaquePtr(), // name); // } // } // break; // case clang::Type::LValueReference: case clang::Type::RValueReference: { const ReferenceType *reference_type = cast(qual_type.getTypePtr()); ClangASTType pointee_type (m_ast, reference_type->getPointeeType()); if (pointee_type.IsAggregateType ()) { return pointee_type.GetIndexOfChildWithName (name, omit_empty_base_classes); } } break; case clang::Type::Pointer: { const PointerType *pointer_type = cast(qual_type.getTypePtr()); ClangASTType pointee_type (m_ast, pointer_type->getPointeeType()); if (pointee_type.IsAggregateType ()) { return pointee_type.GetIndexOfChildWithName (name, omit_empty_base_classes); } else { // if (parent_name) // { // child_name.assign(1, '*'); // child_name += parent_name; // } // // // We have a pointer to an simple type // if (idx == 0) // { // std::pair clang_type_info = ast->getTypeInfo(pointee_type); // assert(clang_type_info.first % 8 == 0); // child_byte_size = clang_type_info.first / 8; // child_byte_offset = 0; // return pointee_type.getAsOpaquePtr(); // } } } break; case clang::Type::Elaborated: return ClangASTType (m_ast, cast(qual_type)->getNamedType()).GetIndexOfChildWithName (name, omit_empty_base_classes); case clang::Type::Paren: return ClangASTType (m_ast, cast(qual_type)->desugar()).GetIndexOfChildWithName (name, omit_empty_base_classes); case clang::Type::Typedef: return ClangASTType (m_ast, cast(qual_type)->getDecl()->getUnderlyingType()).GetIndexOfChildWithName (name, omit_empty_base_classes); default: break; } } return UINT32_MAX; } size_t ClangASTType::GetNumTemplateArguments () const { if (IsValid()) { QualType qual_type (GetCanonicalQualType()); const clang::Type::TypeClass type_class = qual_type->getTypeClass(); switch (type_class) { case clang::Type::Record: if (GetCompleteType ()) { const CXXRecordDecl *cxx_record_decl = qual_type->getAsCXXRecordDecl(); if (cxx_record_decl) { const ClassTemplateSpecializationDecl *template_decl = dyn_cast(cxx_record_decl); if (template_decl) return template_decl->getTemplateArgs().size(); } } break; case clang::Type::Typedef: return ClangASTType (m_ast, cast(qual_type)->getDecl()->getUnderlyingType()).GetNumTemplateArguments(); case clang::Type::Elaborated: return ClangASTType (m_ast, cast(qual_type)->getNamedType()).GetNumTemplateArguments(); case clang::Type::Paren: return ClangASTType (m_ast, cast(qual_type)->desugar()).GetNumTemplateArguments(); default: break; } } return 0; } ClangASTType ClangASTType::GetTemplateArgument (size_t arg_idx, lldb::TemplateArgumentKind &kind) const { if (IsValid()) { QualType qual_type (GetCanonicalQualType()); const clang::Type::TypeClass type_class = qual_type->getTypeClass(); switch (type_class) { case clang::Type::Record: if (GetCompleteType ()) { const CXXRecordDecl *cxx_record_decl = qual_type->getAsCXXRecordDecl(); if (cxx_record_decl) { const ClassTemplateSpecializationDecl *template_decl = dyn_cast(cxx_record_decl); if (template_decl && arg_idx < template_decl->getTemplateArgs().size()) { const TemplateArgument &template_arg = template_decl->getTemplateArgs()[arg_idx]; switch (template_arg.getKind()) { case clang::TemplateArgument::Null: kind = eTemplateArgumentKindNull; return ClangASTType(); case clang::TemplateArgument::Type: kind = eTemplateArgumentKindType; return ClangASTType(m_ast, template_arg.getAsType()); case clang::TemplateArgument::Declaration: kind = eTemplateArgumentKindDeclaration; return ClangASTType(); case clang::TemplateArgument::Integral: kind = eTemplateArgumentKindIntegral; return ClangASTType(m_ast, template_arg.getIntegralType()); case clang::TemplateArgument::Template: kind = eTemplateArgumentKindTemplate; return ClangASTType(); case clang::TemplateArgument::TemplateExpansion: kind = eTemplateArgumentKindTemplateExpansion; return ClangASTType(); case clang::TemplateArgument::Expression: kind = eTemplateArgumentKindExpression; return ClangASTType(); case clang::TemplateArgument::Pack: kind = eTemplateArgumentKindPack; return ClangASTType(); default: assert (!"Unhandled TemplateArgument::ArgKind"); break; } } } } break; case clang::Type::Typedef: return ClangASTType (m_ast, cast(qual_type)->getDecl()->getUnderlyingType()).GetTemplateArgument (arg_idx, kind); case clang::Type::Elaborated: return ClangASTType (m_ast, cast(qual_type)->getNamedType()).GetTemplateArgument (arg_idx, kind); case clang::Type::Paren: return ClangASTType (m_ast, cast(qual_type)->desugar()).GetTemplateArgument (arg_idx, kind); default: break; } } kind = eTemplateArgumentKindNull; return ClangASTType (); } static bool IsOperator (const char *name, OverloadedOperatorKind &op_kind) { if (name == NULL || name[0] == '\0') return false; #define OPERATOR_PREFIX "operator" #define OPERATOR_PREFIX_LENGTH (sizeof (OPERATOR_PREFIX) - 1) const char *post_op_name = NULL; bool no_space = true; if (::strncmp(name, OPERATOR_PREFIX, OPERATOR_PREFIX_LENGTH)) return false; post_op_name = name + OPERATOR_PREFIX_LENGTH; if (post_op_name[0] == ' ') { post_op_name++; no_space = false; } #undef OPERATOR_PREFIX #undef OPERATOR_PREFIX_LENGTH // This is an operator, set the overloaded operator kind to invalid // in case this is a conversion operator... op_kind = NUM_OVERLOADED_OPERATORS; switch (post_op_name[0]) { default: if (no_space) return false; break; case 'n': if (no_space) return false; if (strcmp (post_op_name, "new") == 0) op_kind = OO_New; else if (strcmp (post_op_name, "new[]") == 0) op_kind = OO_Array_New; break; case 'd': if (no_space) return false; if (strcmp (post_op_name, "delete") == 0) op_kind = OO_Delete; else if (strcmp (post_op_name, "delete[]") == 0) op_kind = OO_Array_Delete; break; case '+': if (post_op_name[1] == '\0') op_kind = OO_Plus; else if (post_op_name[2] == '\0') { if (post_op_name[1] == '=') op_kind = OO_PlusEqual; else if (post_op_name[1] == '+') op_kind = OO_PlusPlus; } break; case '-': if (post_op_name[1] == '\0') op_kind = OO_Minus; else if (post_op_name[2] == '\0') { switch (post_op_name[1]) { case '=': op_kind = OO_MinusEqual; break; case '-': op_kind = OO_MinusMinus; break; case '>': op_kind = OO_Arrow; break; } } else if (post_op_name[3] == '\0') { if (post_op_name[2] == '*') op_kind = OO_ArrowStar; break; } break; case '*': if (post_op_name[1] == '\0') op_kind = OO_Star; else if (post_op_name[1] == '=' && post_op_name[2] == '\0') op_kind = OO_StarEqual; break; case '/': if (post_op_name[1] == '\0') op_kind = OO_Slash; else if (post_op_name[1] == '=' && post_op_name[2] == '\0') op_kind = OO_SlashEqual; break; case '%': if (post_op_name[1] == '\0') op_kind = OO_Percent; else if (post_op_name[1] == '=' && post_op_name[2] == '\0') op_kind = OO_PercentEqual; break; case '^': if (post_op_name[1] == '\0') op_kind = OO_Caret; else if (post_op_name[1] == '=' && post_op_name[2] == '\0') op_kind = OO_CaretEqual; break; case '&': if (post_op_name[1] == '\0') op_kind = OO_Amp; else if (post_op_name[2] == '\0') { switch (post_op_name[1]) { case '=': op_kind = OO_AmpEqual; break; case '&': op_kind = OO_AmpAmp; break; } } break; case '|': if (post_op_name[1] == '\0') op_kind = OO_Pipe; else if (post_op_name[2] == '\0') { switch (post_op_name[1]) { case '=': op_kind = OO_PipeEqual; break; case '|': op_kind = OO_PipePipe; break; } } break; case '~': if (post_op_name[1] == '\0') op_kind = OO_Tilde; break; case '!': if (post_op_name[1] == '\0') op_kind = OO_Exclaim; else if (post_op_name[1] == '=' && post_op_name[2] == '\0') op_kind = OO_ExclaimEqual; break; case '=': if (post_op_name[1] == '\0') op_kind = OO_Equal; else if (post_op_name[1] == '=' && post_op_name[2] == '\0') op_kind = OO_EqualEqual; break; case '<': if (post_op_name[1] == '\0') op_kind = OO_Less; else if (post_op_name[2] == '\0') { switch (post_op_name[1]) { case '<': op_kind = OO_LessLess; break; case '=': op_kind = OO_LessEqual; break; } } else if (post_op_name[3] == '\0') { if (post_op_name[2] == '=') op_kind = OO_LessLessEqual; } break; case '>': if (post_op_name[1] == '\0') op_kind = OO_Greater; else if (post_op_name[2] == '\0') { switch (post_op_name[1]) { case '>': op_kind = OO_GreaterGreater; break; case '=': op_kind = OO_GreaterEqual; break; } } else if (post_op_name[1] == '>' && post_op_name[2] == '=' && post_op_name[3] == '\0') { op_kind = OO_GreaterGreaterEqual; } break; case ',': if (post_op_name[1] == '\0') op_kind = OO_Comma; break; case '(': if (post_op_name[1] == ')' && post_op_name[2] == '\0') op_kind = OO_Call; break; case '[': if (post_op_name[1] == ']' && post_op_name[2] == '\0') op_kind = OO_Subscript; break; } return true; } static inline bool check_op_param (uint32_t op_kind, bool unary, bool binary, uint32_t num_params) { // Special-case call since it can take any number of operands if(op_kind == OO_Call) return true; // The parameter count doens't include "this" if (num_params == 0) return unary; if (num_params == 1) return binary; else return false; } clang::RecordDecl * ClangASTType::GetAsRecordDecl () const { const RecordType *record_type = dyn_cast(GetCanonicalQualType()); if (record_type) return record_type->getDecl(); return NULL; } clang::CXXRecordDecl * ClangASTType::GetAsCXXRecordDecl () const { return GetCanonicalQualType()->getAsCXXRecordDecl(); } ObjCInterfaceDecl * ClangASTType::GetAsObjCInterfaceDecl () const { const ObjCObjectType *objc_class_type = dyn_cast(GetCanonicalQualType()); if (objc_class_type) return objc_class_type->getInterface(); return NULL; } clang::FieldDecl * ClangASTType::AddFieldToRecordType (const char *name, const ClangASTType &field_clang_type, AccessType access, uint32_t bitfield_bit_size) { if (!IsValid() || !field_clang_type.IsValid()) return NULL; FieldDecl *field = NULL; clang::Expr *bit_width = NULL; if (bitfield_bit_size != 0) { APInt bitfield_bit_size_apint(m_ast->getTypeSize(m_ast->IntTy), bitfield_bit_size); bit_width = new (*m_ast)IntegerLiteral (*m_ast, bitfield_bit_size_apint, m_ast->IntTy, SourceLocation()); } RecordDecl *record_decl = GetAsRecordDecl (); if (record_decl) { field = FieldDecl::Create (*m_ast, record_decl, SourceLocation(), SourceLocation(), name ? &m_ast->Idents.get(name) : NULL, // Identifier field_clang_type.GetQualType(), // Field type NULL, // TInfo * bit_width, // BitWidth false, // Mutable ICIS_NoInit); // HasInit if (!name) { // Determine whether this field corresponds to an anonymous // struct or union. if (const TagType *TagT = field->getType()->getAs()) { if (RecordDecl *Rec = dyn_cast(TagT->getDecl())) if (!Rec->getDeclName()) { Rec->setAnonymousStructOrUnion(true); field->setImplicit(); } } } if (field) { field->setAccess (ClangASTContext::ConvertAccessTypeToAccessSpecifier (access)); record_decl->addDecl(field); #ifdef LLDB_CONFIGURATION_DEBUG VerifyDecl(field); #endif } } else { ObjCInterfaceDecl *class_interface_decl = GetAsObjCInterfaceDecl (); if (class_interface_decl) { const bool is_synthesized = false; field_clang_type.GetCompleteType(); field = ObjCIvarDecl::Create (*m_ast, class_interface_decl, SourceLocation(), SourceLocation(), name ? &m_ast->Idents.get(name) : NULL, // Identifier field_clang_type.GetQualType(), // Field type NULL, // TypeSourceInfo * ConvertAccessTypeToObjCIvarAccessControl (access), bit_width, is_synthesized); if (field) { class_interface_decl->addDecl(field); #ifdef LLDB_CONFIGURATION_DEBUG VerifyDecl(field); #endif } } } return field; } void ClangASTType::BuildIndirectFields () { RecordDecl *record_decl = GetAsRecordDecl(); if (!record_decl) return; typedef llvm::SmallVector IndirectFieldVector; IndirectFieldVector indirect_fields; RecordDecl::field_iterator field_pos; RecordDecl::field_iterator field_end_pos = record_decl->field_end(); RecordDecl::field_iterator last_field_pos = field_end_pos; for (field_pos = record_decl->field_begin(); field_pos != field_end_pos; last_field_pos = field_pos++) { if (field_pos->isAnonymousStructOrUnion()) { QualType field_qual_type = field_pos->getType(); const RecordType *field_record_type = field_qual_type->getAs(); if (!field_record_type) continue; RecordDecl *field_record_decl = field_record_type->getDecl(); if (!field_record_decl) continue; for (RecordDecl::decl_iterator di = field_record_decl->decls_begin(), de = field_record_decl->decls_end(); di != de; ++di) { if (FieldDecl *nested_field_decl = dyn_cast(*di)) { NamedDecl **chain = new (*m_ast) NamedDecl*[2]; chain[0] = *field_pos; chain[1] = nested_field_decl; IndirectFieldDecl *indirect_field = IndirectFieldDecl::Create(*m_ast, record_decl, SourceLocation(), nested_field_decl->getIdentifier(), nested_field_decl->getType(), chain, 2); indirect_field->setImplicit(); indirect_field->setAccess(ClangASTContext::UnifyAccessSpecifiers(field_pos->getAccess(), nested_field_decl->getAccess())); indirect_fields.push_back(indirect_field); } else if (IndirectFieldDecl *nested_indirect_field_decl = dyn_cast(*di)) { int nested_chain_size = nested_indirect_field_decl->getChainingSize(); NamedDecl **chain = new (*m_ast) NamedDecl*[nested_chain_size + 1]; chain[0] = *field_pos; int chain_index = 1; for (IndirectFieldDecl::chain_iterator nci = nested_indirect_field_decl->chain_begin(), nce = nested_indirect_field_decl->chain_end(); nci < nce; ++nci) { chain[chain_index] = *nci; chain_index++; } IndirectFieldDecl *indirect_field = IndirectFieldDecl::Create(*m_ast, record_decl, SourceLocation(), nested_indirect_field_decl->getIdentifier(), nested_indirect_field_decl->getType(), chain, nested_chain_size + 1); indirect_field->setImplicit(); indirect_field->setAccess(ClangASTContext::UnifyAccessSpecifiers(field_pos->getAccess(), nested_indirect_field_decl->getAccess())); indirect_fields.push_back(indirect_field); } } } } // Check the last field to see if it has an incomplete array type as its // last member and if it does, the tell the record decl about it if (last_field_pos != field_end_pos) { if (last_field_pos->getType()->isIncompleteArrayType()) record_decl->hasFlexibleArrayMember(); } for (IndirectFieldVector::iterator ifi = indirect_fields.begin(), ife = indirect_fields.end(); ifi < ife; ++ifi) { record_decl->addDecl(*ifi); } } clang::VarDecl * ClangASTType::AddVariableToRecordType (const char *name, const ClangASTType &var_type, AccessType access) { clang::VarDecl *var_decl = NULL; if (!IsValid() || !var_type.IsValid()) return NULL; RecordDecl *record_decl = GetAsRecordDecl (); if (record_decl) { var_decl = VarDecl::Create (*m_ast, // ASTContext & record_decl, // DeclContext * SourceLocation(), // SourceLocation StartLoc SourceLocation(), // SourceLocation IdLoc name ? &m_ast->Idents.get(name) : NULL, // IdentifierInfo * var_type.GetQualType(), // Variable QualType NULL, // TypeSourceInfo * SC_Static); // StorageClass if (var_decl) { var_decl->setAccess(ClangASTContext::ConvertAccessTypeToAccessSpecifier (access)); record_decl->addDecl(var_decl); #ifdef LLDB_CONFIGURATION_DEBUG VerifyDecl(var_decl); #endif } } return var_decl; } CXXMethodDecl * ClangASTType::AddMethodToCXXRecordType (const char *name, const ClangASTType &method_clang_type, lldb::AccessType access, bool is_virtual, bool is_static, bool is_inline, bool is_explicit, bool is_attr_used, bool is_artificial) { if (!IsValid() || !method_clang_type.IsValid() || name == NULL || name[0] == '\0') return NULL; QualType record_qual_type(GetCanonicalQualType()); CXXRecordDecl *cxx_record_decl = record_qual_type->getAsCXXRecordDecl(); if (cxx_record_decl == NULL) return NULL; QualType method_qual_type (method_clang_type.GetQualType()); CXXMethodDecl *cxx_method_decl = NULL; DeclarationName decl_name (&m_ast->Idents.get(name)); const clang::FunctionType *function_type = dyn_cast(method_qual_type.getTypePtr()); if (function_type == NULL) return NULL; const FunctionProtoType *method_function_prototype (dyn_cast(function_type)); if (!method_function_prototype) return NULL; unsigned int num_params = method_function_prototype->getNumParams(); CXXDestructorDecl *cxx_dtor_decl(NULL); CXXConstructorDecl *cxx_ctor_decl(NULL); if (is_artificial) return NULL; // skip everything artificial if (name[0] == '~') { cxx_dtor_decl = CXXDestructorDecl::Create (*m_ast, cxx_record_decl, SourceLocation(), DeclarationNameInfo (m_ast->DeclarationNames.getCXXDestructorName (m_ast->getCanonicalType (record_qual_type)), SourceLocation()), method_qual_type, NULL, is_inline, is_artificial); cxx_method_decl = cxx_dtor_decl; } else if (decl_name == cxx_record_decl->getDeclName()) { cxx_ctor_decl = CXXConstructorDecl::Create (*m_ast, cxx_record_decl, SourceLocation(), DeclarationNameInfo (m_ast->DeclarationNames.getCXXConstructorName (m_ast->getCanonicalType (record_qual_type)), SourceLocation()), method_qual_type, NULL, // TypeSourceInfo * is_explicit, is_inline, is_artificial, false /*is_constexpr*/); cxx_method_decl = cxx_ctor_decl; } else { clang::StorageClass SC = is_static ? SC_Static : SC_None; OverloadedOperatorKind op_kind = NUM_OVERLOADED_OPERATORS; if (IsOperator (name, op_kind)) { if (op_kind != NUM_OVERLOADED_OPERATORS) { // Check the number of operator parameters. Sometimes we have // seen bad DWARF that doesn't correctly describe operators and // if we try to create a methed and add it to the class, clang // will assert and crash, so we need to make sure things are // acceptable. if (!ClangASTContext::CheckOverloadedOperatorKindParameterCount (op_kind, num_params)) return NULL; cxx_method_decl = CXXMethodDecl::Create (*m_ast, cxx_record_decl, SourceLocation(), DeclarationNameInfo (m_ast->DeclarationNames.getCXXOperatorName (op_kind), SourceLocation()), method_qual_type, NULL, // TypeSourceInfo * SC, is_inline, false /*is_constexpr*/, SourceLocation()); } else if (num_params == 0) { // Conversion operators don't take params... cxx_method_decl = CXXConversionDecl::Create (*m_ast, cxx_record_decl, SourceLocation(), DeclarationNameInfo (m_ast->DeclarationNames.getCXXConversionFunctionName (m_ast->getCanonicalType (function_type->getReturnType())), SourceLocation()), method_qual_type, NULL, // TypeSourceInfo * is_inline, is_explicit, false /*is_constexpr*/, SourceLocation()); } } if (cxx_method_decl == NULL) { cxx_method_decl = CXXMethodDecl::Create (*m_ast, cxx_record_decl, SourceLocation(), DeclarationNameInfo (decl_name, SourceLocation()), method_qual_type, NULL, // TypeSourceInfo * SC, is_inline, false /*is_constexpr*/, SourceLocation()); } } AccessSpecifier access_specifier = ClangASTContext::ConvertAccessTypeToAccessSpecifier (access); cxx_method_decl->setAccess (access_specifier); cxx_method_decl->setVirtualAsWritten (is_virtual); if (is_attr_used) cxx_method_decl->addAttr(clang::UsedAttr::CreateImplicit(*m_ast)); // Populate the method decl with parameter decls llvm::SmallVector params; for (unsigned param_index = 0; param_index < num_params; ++param_index) { params.push_back (ParmVarDecl::Create (*m_ast, cxx_method_decl, SourceLocation(), SourceLocation(), NULL, // anonymous method_function_prototype->getParamType(param_index), NULL, SC_None, NULL)); } cxx_method_decl->setParams (ArrayRef(params)); cxx_record_decl->addDecl (cxx_method_decl); // Sometimes the debug info will mention a constructor (default/copy/move), // destructor, or assignment operator (copy/move) but there won't be any // version of this in the code. So we check if the function was artificially // generated and if it is trivial and this lets the compiler/backend know // that it can inline the IR for these when it needs to and we can avoid a // "missing function" error when running expressions. if (is_artificial) { if (cxx_ctor_decl && ((cxx_ctor_decl->isDefaultConstructor() && cxx_record_decl->hasTrivialDefaultConstructor ()) || (cxx_ctor_decl->isCopyConstructor() && cxx_record_decl->hasTrivialCopyConstructor ()) || (cxx_ctor_decl->isMoveConstructor() && cxx_record_decl->hasTrivialMoveConstructor ()) )) { cxx_ctor_decl->setDefaulted(); cxx_ctor_decl->setTrivial(true); } else if (cxx_dtor_decl) { if (cxx_record_decl->hasTrivialDestructor()) { cxx_dtor_decl->setDefaulted(); cxx_dtor_decl->setTrivial(true); } } else if ((cxx_method_decl->isCopyAssignmentOperator() && cxx_record_decl->hasTrivialCopyAssignment()) || (cxx_method_decl->isMoveAssignmentOperator() && cxx_record_decl->hasTrivialMoveAssignment())) { cxx_method_decl->setDefaulted(); cxx_method_decl->setTrivial(true); } } #ifdef LLDB_CONFIGURATION_DEBUG VerifyDecl(cxx_method_decl); #endif // printf ("decl->isPolymorphic() = %i\n", cxx_record_decl->isPolymorphic()); // printf ("decl->isAggregate() = %i\n", cxx_record_decl->isAggregate()); // printf ("decl->isPOD() = %i\n", cxx_record_decl->isPOD()); // printf ("decl->isEmpty() = %i\n", cxx_record_decl->isEmpty()); // printf ("decl->isAbstract() = %i\n", cxx_record_decl->isAbstract()); // printf ("decl->hasTrivialConstructor() = %i\n", cxx_record_decl->hasTrivialConstructor()); // printf ("decl->hasTrivialCopyConstructor() = %i\n", cxx_record_decl->hasTrivialCopyConstructor()); // printf ("decl->hasTrivialCopyAssignment() = %i\n", cxx_record_decl->hasTrivialCopyAssignment()); // printf ("decl->hasTrivialDestructor() = %i\n", cxx_record_decl->hasTrivialDestructor()); return cxx_method_decl; } #pragma mark C++ Base Classes CXXBaseSpecifier * ClangASTType::CreateBaseClassSpecifier (AccessType access, bool is_virtual, bool base_of_class) { if (IsValid()) return new CXXBaseSpecifier (SourceRange(), is_virtual, base_of_class, ClangASTContext::ConvertAccessTypeToAccessSpecifier (access), m_ast->getTrivialTypeSourceInfo (GetQualType()), SourceLocation()); return NULL; } void ClangASTType::DeleteBaseClassSpecifiers (CXXBaseSpecifier **base_classes, unsigned num_base_classes) { for (unsigned i=0; isetBases(base_classes, num_base_classes); return true; } } return false; } bool ClangASTType::SetObjCSuperClass (const ClangASTType &superclass_clang_type) { if (IsValid() && superclass_clang_type.IsValid()) { ObjCInterfaceDecl *class_interface_decl = GetAsObjCInterfaceDecl (); ObjCInterfaceDecl *super_interface_decl = superclass_clang_type.GetAsObjCInterfaceDecl (); if (class_interface_decl && super_interface_decl) { class_interface_decl->setSuperClass(super_interface_decl); return true; } } return false; } bool ClangASTType::AddObjCClassProperty (const char *property_name, const ClangASTType &property_clang_type, ObjCIvarDecl *ivar_decl, const char *property_setter_name, const char *property_getter_name, uint32_t property_attributes, ClangASTMetadata *metadata) { if (!IsValid() || !property_clang_type.IsValid() || property_name == NULL || property_name[0] == '\0') return false; ObjCInterfaceDecl *class_interface_decl = GetAsObjCInterfaceDecl (); if (class_interface_decl) { ClangASTType property_clang_type_to_access; if (property_clang_type.IsValid()) property_clang_type_to_access = property_clang_type; else if (ivar_decl) property_clang_type_to_access = ClangASTType (m_ast, ivar_decl->getType()); if (class_interface_decl && property_clang_type_to_access.IsValid()) { clang::TypeSourceInfo *prop_type_source; if (ivar_decl) prop_type_source = m_ast->getTrivialTypeSourceInfo (ivar_decl->getType()); else prop_type_source = m_ast->getTrivialTypeSourceInfo (property_clang_type.GetQualType()); ObjCPropertyDecl *property_decl = ObjCPropertyDecl::Create (*m_ast, class_interface_decl, SourceLocation(), // Source Location &m_ast->Idents.get(property_name), SourceLocation(), //Source Location for AT SourceLocation(), //Source location for ( prop_type_source); if (property_decl) { if (metadata) ClangASTContext::SetMetadata(m_ast, property_decl, *metadata); class_interface_decl->addDecl (property_decl); Selector setter_sel, getter_sel; if (property_setter_name != NULL) { std::string property_setter_no_colon(property_setter_name, strlen(property_setter_name) - 1); clang::IdentifierInfo *setter_ident = &m_ast->Idents.get(property_setter_no_colon.c_str()); setter_sel = m_ast->Selectors.getSelector(1, &setter_ident); } else if (!(property_attributes & DW_APPLE_PROPERTY_readonly)) { std::string setter_sel_string("set"); setter_sel_string.push_back(::toupper(property_name[0])); setter_sel_string.append(&property_name[1]); clang::IdentifierInfo *setter_ident = &m_ast->Idents.get(setter_sel_string.c_str()); setter_sel = m_ast->Selectors.getSelector(1, &setter_ident); } property_decl->setSetterName(setter_sel); property_decl->setPropertyAttributes (clang::ObjCPropertyDecl::OBJC_PR_setter); if (property_getter_name != NULL) { clang::IdentifierInfo *getter_ident = &m_ast->Idents.get(property_getter_name); getter_sel = m_ast->Selectors.getSelector(0, &getter_ident); } else { clang::IdentifierInfo *getter_ident = &m_ast->Idents.get(property_name); getter_sel = m_ast->Selectors.getSelector(0, &getter_ident); } property_decl->setGetterName(getter_sel); property_decl->setPropertyAttributes (clang::ObjCPropertyDecl::OBJC_PR_getter); if (ivar_decl) property_decl->setPropertyIvarDecl (ivar_decl); if (property_attributes & DW_APPLE_PROPERTY_readonly) property_decl->setPropertyAttributes (clang::ObjCPropertyDecl::OBJC_PR_readonly); if (property_attributes & DW_APPLE_PROPERTY_readwrite) property_decl->setPropertyAttributes (clang::ObjCPropertyDecl::OBJC_PR_readwrite); if (property_attributes & DW_APPLE_PROPERTY_assign) property_decl->setPropertyAttributes (clang::ObjCPropertyDecl::OBJC_PR_assign); if (property_attributes & DW_APPLE_PROPERTY_retain) property_decl->setPropertyAttributes (clang::ObjCPropertyDecl::OBJC_PR_retain); if (property_attributes & DW_APPLE_PROPERTY_copy) property_decl->setPropertyAttributes (clang::ObjCPropertyDecl::OBJC_PR_copy); if (property_attributes & DW_APPLE_PROPERTY_nonatomic) property_decl->setPropertyAttributes (clang::ObjCPropertyDecl::OBJC_PR_nonatomic); if (!getter_sel.isNull() && !class_interface_decl->lookupInstanceMethod(getter_sel)) { const bool isInstance = true; const bool isVariadic = false; const bool isSynthesized = false; const bool isImplicitlyDeclared = true; const bool isDefined = false; const ObjCMethodDecl::ImplementationControl impControl = ObjCMethodDecl::None; const bool HasRelatedResultType = false; ObjCMethodDecl *getter = ObjCMethodDecl::Create (*m_ast, SourceLocation(), SourceLocation(), getter_sel, property_clang_type_to_access.GetQualType(), NULL, class_interface_decl, isInstance, isVariadic, isSynthesized, isImplicitlyDeclared, isDefined, impControl, HasRelatedResultType); if (getter && metadata) ClangASTContext::SetMetadata(m_ast, getter, *metadata); getter->setMethodParams(*m_ast, ArrayRef(), ArrayRef()); class_interface_decl->addDecl(getter); } if (!setter_sel.isNull() && !class_interface_decl->lookupInstanceMethod(setter_sel)) { QualType result_type = m_ast->VoidTy; const bool isInstance = true; const bool isVariadic = false; const bool isSynthesized = false; const bool isImplicitlyDeclared = true; const bool isDefined = false; const ObjCMethodDecl::ImplementationControl impControl = ObjCMethodDecl::None; const bool HasRelatedResultType = false; ObjCMethodDecl *setter = ObjCMethodDecl::Create (*m_ast, SourceLocation(), SourceLocation(), setter_sel, result_type, NULL, class_interface_decl, isInstance, isVariadic, isSynthesized, isImplicitlyDeclared, isDefined, impControl, HasRelatedResultType); if (setter && metadata) ClangASTContext::SetMetadata(m_ast, setter, *metadata); llvm::SmallVector params; params.push_back (ParmVarDecl::Create (*m_ast, setter, SourceLocation(), SourceLocation(), NULL, // anonymous property_clang_type_to_access.GetQualType(), NULL, SC_Auto, NULL)); setter->setMethodParams(*m_ast, ArrayRef(params), ArrayRef()); class_interface_decl->addDecl(setter); } return true; } } } return false; } bool ClangASTType::IsObjCClassTypeAndHasIVars (bool check_superclass) const { ObjCInterfaceDecl *class_interface_decl = GetAsObjCInterfaceDecl (); if (class_interface_decl) return ObjCDeclHasIVars (class_interface_decl, check_superclass); return false; } ObjCMethodDecl * ClangASTType::AddMethodToObjCObjectType (const char *name, // the full symbol name as seen in the symbol table ("-[NString stringWithCString:]") const ClangASTType &method_clang_type, lldb::AccessType access, bool is_artificial) { if (!IsValid() || !method_clang_type.IsValid()) return NULL; ObjCInterfaceDecl *class_interface_decl = GetAsObjCInterfaceDecl(); if (class_interface_decl == NULL) return NULL; const char *selector_start = ::strchr (name, ' '); if (selector_start == NULL) return NULL; selector_start++; llvm::SmallVector selector_idents; size_t len = 0; const char *start; //printf ("name = '%s'\n", name); unsigned num_selectors_with_args = 0; for (start = selector_start; start && *start != '\0' && *start != ']'; start += len) { len = ::strcspn(start, ":]"); bool has_arg = (start[len] == ':'); if (has_arg) ++num_selectors_with_args; selector_idents.push_back (&m_ast->Idents.get (StringRef (start, len))); if (has_arg) len += 1; } if (selector_idents.size() == 0) return 0; clang::Selector method_selector = m_ast->Selectors.getSelector (num_selectors_with_args ? selector_idents.size() : 0, selector_idents.data()); QualType method_qual_type (method_clang_type.GetQualType()); // Populate the method decl with parameter decls const clang::Type *method_type(method_qual_type.getTypePtr()); if (method_type == NULL) return NULL; const FunctionProtoType *method_function_prototype (dyn_cast(method_type)); if (!method_function_prototype) return NULL; bool is_variadic = false; bool is_synthesized = false; bool is_defined = false; ObjCMethodDecl::ImplementationControl imp_control = ObjCMethodDecl::None; const unsigned num_args = method_function_prototype->getNumParams(); if (num_args != num_selectors_with_args) return NULL; // some debug information is corrupt. We are not going to deal with it. ObjCMethodDecl *objc_method_decl = ObjCMethodDecl::Create (*m_ast, SourceLocation(), // beginLoc, SourceLocation(), // endLoc, method_selector, method_function_prototype->getReturnType(), NULL, // TypeSourceInfo *ResultTInfo, GetDeclContextForType (), name[0] == '-', is_variadic, is_synthesized, true, // is_implicitly_declared; we force this to true because we don't have source locations is_defined, imp_control, false /*has_related_result_type*/); if (objc_method_decl == NULL) return NULL; if (num_args > 0) { llvm::SmallVector params; for (unsigned param_index = 0; param_index < num_args; ++param_index) { params.push_back (ParmVarDecl::Create (*m_ast, objc_method_decl, SourceLocation(), SourceLocation(), NULL, // anonymous method_function_prototype->getParamType(param_index), NULL, SC_Auto, NULL)); } objc_method_decl->setMethodParams(*m_ast, ArrayRef(params), ArrayRef()); } class_interface_decl->addDecl (objc_method_decl); #ifdef LLDB_CONFIGURATION_DEBUG VerifyDecl(objc_method_decl); #endif return objc_method_decl; } clang::DeclContext * ClangASTType::GetDeclContextForType () const { if (!IsValid()) return NULL; QualType qual_type(GetCanonicalQualType()); const clang::Type::TypeClass type_class = qual_type->getTypeClass(); switch (type_class) { case clang::Type::UnaryTransform: break; case clang::Type::FunctionNoProto: break; case clang::Type::FunctionProto: break; case clang::Type::IncompleteArray: break; case clang::Type::VariableArray: break; case clang::Type::ConstantArray: break; case clang::Type::DependentSizedArray: break; case clang::Type::ExtVector: break; case clang::Type::DependentSizedExtVector: break; case clang::Type::Vector: break; case clang::Type::Builtin: break; case clang::Type::BlockPointer: break; case clang::Type::Pointer: break; case clang::Type::LValueReference: break; case clang::Type::RValueReference: break; case clang::Type::MemberPointer: break; case clang::Type::Complex: break; case clang::Type::ObjCObject: break; case clang::Type::ObjCInterface: return cast(qual_type.getTypePtr())->getInterface(); case clang::Type::ObjCObjectPointer: return ClangASTType (m_ast, cast(qual_type.getTypePtr())->getPointeeType()).GetDeclContextForType(); case clang::Type::Record: return cast(qual_type)->getDecl(); case clang::Type::Enum: return cast(qual_type)->getDecl(); case clang::Type::Typedef: return ClangASTType (m_ast, cast(qual_type)->getDecl()->getUnderlyingType()).GetDeclContextForType(); case clang::Type::Elaborated: return ClangASTType (m_ast, cast(qual_type)->getNamedType()).GetDeclContextForType(); case clang::Type::Paren: return ClangASTType (m_ast, cast(qual_type)->desugar()).GetDeclContextForType(); case clang::Type::TypeOfExpr: break; case clang::Type::TypeOf: break; case clang::Type::Decltype: break; //case clang::Type::QualifiedName: break; case clang::Type::TemplateSpecialization: break; case clang::Type::DependentTemplateSpecialization: break; case clang::Type::TemplateTypeParm: break; case clang::Type::SubstTemplateTypeParm: break; case clang::Type::SubstTemplateTypeParmPack:break; case clang::Type::PackExpansion: break; case clang::Type::UnresolvedUsing: break; case clang::Type::Attributed: break; case clang::Type::Auto: break; case clang::Type::InjectedClassName: break; case clang::Type::DependentName: break; case clang::Type::Atomic: break; // pointer type decayed from an array or function type. case clang::Type::Decayed: break; } // No DeclContext in this type... return NULL; } bool ClangASTType::SetDefaultAccessForRecordFields (int default_accessibility, int *assigned_accessibilities, size_t num_assigned_accessibilities) { if (IsValid()) { RecordDecl *record_decl = GetAsRecordDecl(); if (record_decl) { uint32_t field_idx; RecordDecl::field_iterator field, field_end; for (field = record_decl->field_begin(), field_end = record_decl->field_end(), field_idx = 0; field != field_end; ++field, ++field_idx) { // If no accessibility was assigned, assign the correct one if (field_idx < num_assigned_accessibilities && assigned_accessibilities[field_idx] == clang::AS_none) field->setAccess ((AccessSpecifier)default_accessibility); } return true; } } return false; } bool ClangASTType::SetHasExternalStorage (bool has_extern) { if (!IsValid()) return false; QualType qual_type (GetCanonicalQualType()); const clang::Type::TypeClass type_class = qual_type->getTypeClass(); switch (type_class) { case clang::Type::Record: { CXXRecordDecl *cxx_record_decl = qual_type->getAsCXXRecordDecl(); if (cxx_record_decl) { cxx_record_decl->setHasExternalLexicalStorage (has_extern); cxx_record_decl->setHasExternalVisibleStorage (has_extern); return true; } } break; case clang::Type::Enum: { EnumDecl *enum_decl = cast(qual_type)->getDecl(); if (enum_decl) { enum_decl->setHasExternalLexicalStorage (has_extern); enum_decl->setHasExternalVisibleStorage (has_extern); return true; } } break; case clang::Type::ObjCObject: case clang::Type::ObjCInterface: { const ObjCObjectType *objc_class_type = dyn_cast(qual_type.getTypePtr()); assert (objc_class_type); if (objc_class_type) { ObjCInterfaceDecl *class_interface_decl = objc_class_type->getInterface(); if (class_interface_decl) { class_interface_decl->setHasExternalLexicalStorage (has_extern); class_interface_decl->setHasExternalVisibleStorage (has_extern); return true; } } } break; case clang::Type::Typedef: return ClangASTType (m_ast, cast(qual_type)->getDecl()->getUnderlyingType()).SetHasExternalStorage (has_extern); case clang::Type::Elaborated: return ClangASTType (m_ast, cast(qual_type)->getNamedType()).SetHasExternalStorage (has_extern); case clang::Type::Paren: return ClangASTType (m_ast, cast(qual_type)->desugar()).SetHasExternalStorage (has_extern); default: break; } return false; } bool ClangASTType::SetTagTypeKind (int kind) const { if (IsValid()) { QualType tag_qual_type(GetQualType()); const clang::Type *clang_type = tag_qual_type.getTypePtr(); if (clang_type) { const TagType *tag_type = dyn_cast(clang_type); if (tag_type) { TagDecl *tag_decl = dyn_cast(tag_type->getDecl()); if (tag_decl) { tag_decl->setTagKind ((TagDecl::TagKind)kind); return true; } } } } return false; } #pragma mark TagDecl bool ClangASTType::StartTagDeclarationDefinition () { if (IsValid()) { QualType qual_type (GetQualType()); const clang::Type *t = qual_type.getTypePtr(); if (t) { const TagType *tag_type = dyn_cast(t); if (tag_type) { TagDecl *tag_decl = tag_type->getDecl(); if (tag_decl) { tag_decl->startDefinition(); return true; } } const ObjCObjectType *object_type = dyn_cast(t); if (object_type) { ObjCInterfaceDecl *interface_decl = object_type->getInterface(); if (interface_decl) { interface_decl->startDefinition(); return true; } } } } return false; } bool ClangASTType::CompleteTagDeclarationDefinition () { if (IsValid()) { QualType qual_type (GetQualType()); CXXRecordDecl *cxx_record_decl = qual_type->getAsCXXRecordDecl(); if (cxx_record_decl) { cxx_record_decl->completeDefinition(); return true; } const EnumType *enum_type = dyn_cast(qual_type.getTypePtr()); if (enum_type) { EnumDecl *enum_decl = enum_type->getDecl(); if (enum_decl) { /// TODO This really needs to be fixed. unsigned NumPositiveBits = 1; unsigned NumNegativeBits = 0; QualType promotion_qual_type; // If the enum integer type is less than an integer in bit width, // then we must promote it to an integer size. if (m_ast->getTypeSize(enum_decl->getIntegerType()) < m_ast->getTypeSize(m_ast->IntTy)) { if (enum_decl->getIntegerType()->isSignedIntegerType()) promotion_qual_type = m_ast->IntTy; else promotion_qual_type = m_ast->UnsignedIntTy; } else promotion_qual_type = enum_decl->getIntegerType(); enum_decl->completeDefinition(enum_decl->getIntegerType(), promotion_qual_type, NumPositiveBits, NumNegativeBits); return true; } } } return false; } bool ClangASTType::AddEnumerationValueToEnumerationType (const ClangASTType &enumerator_clang_type, const Declaration &decl, const char *name, int64_t enum_value, uint32_t enum_value_bit_size) { if (IsValid() && enumerator_clang_type.IsValid() && name && name[0]) { QualType enum_qual_type (GetCanonicalQualType()); bool is_signed = false; enumerator_clang_type.IsIntegerType (is_signed); const clang::Type *clang_type = enum_qual_type.getTypePtr(); if (clang_type) { const EnumType *enum_type = dyn_cast(clang_type); if (enum_type) { llvm::APSInt enum_llvm_apsint(enum_value_bit_size, is_signed); enum_llvm_apsint = enum_value; EnumConstantDecl *enumerator_decl = EnumConstantDecl::Create (*m_ast, enum_type->getDecl(), SourceLocation(), name ? &m_ast->Idents.get(name) : NULL, // Identifier enumerator_clang_type.GetQualType(), NULL, enum_llvm_apsint); if (enumerator_decl) { enum_type->getDecl()->addDecl(enumerator_decl); #ifdef LLDB_CONFIGURATION_DEBUG VerifyDecl(enumerator_decl); #endif return true; } } } } return false; } ClangASTType ClangASTType::GetEnumerationIntegerType () const { QualType enum_qual_type (GetCanonicalQualType()); const clang::Type *clang_type = enum_qual_type.getTypePtr(); if (clang_type) { const EnumType *enum_type = dyn_cast(clang_type); if (enum_type) { EnumDecl *enum_decl = enum_type->getDecl(); if (enum_decl) return ClangASTType (m_ast, enum_decl->getIntegerType()); } } return ClangASTType(); } ClangASTType ClangASTType::CreateMemberPointerType (const ClangASTType &pointee_type) const { if (IsValid() && pointee_type.IsValid()) { return ClangASTType (m_ast, m_ast->getMemberPointerType (pointee_type.GetQualType(), GetQualType().getTypePtr())); } return ClangASTType(); } size_t ClangASTType::ConvertStringToFloatValue (const char *s, uint8_t *dst, size_t dst_size) const { if (IsValid()) { QualType qual_type (GetCanonicalQualType()); uint32_t count = 0; bool is_complex = false; if (IsFloatingPointType (count, is_complex)) { // TODO: handle complex and vector types if (count != 1) return false; StringRef s_sref(s); APFloat ap_float(m_ast->getFloatTypeSemantics(qual_type), s_sref); const uint64_t bit_size = m_ast->getTypeSize (qual_type); const uint64_t byte_size = bit_size / 8; if (dst_size >= byte_size) { if (bit_size == sizeof(float)*8) { float float32 = ap_float.convertToFloat(); ::memcpy (dst, &float32, byte_size); return byte_size; } else if (bit_size >= 64) { llvm::APInt ap_int(ap_float.bitcastToAPInt()); ::memcpy (dst, ap_int.getRawData(), byte_size); return byte_size; } } } } return 0; } //---------------------------------------------------------------------- // Dumping types //---------------------------------------------------------------------- #define DEPTH_INCREMENT 2 void ClangASTType::DumpValue (ExecutionContext *exe_ctx, Stream *s, lldb::Format format, const lldb_private::DataExtractor &data, lldb::offset_t data_byte_offset, size_t data_byte_size, uint32_t bitfield_bit_size, uint32_t bitfield_bit_offset, bool show_types, bool show_summary, bool verbose, uint32_t depth) { if (!IsValid()) return; QualType qual_type(GetQualType()); switch (qual_type->getTypeClass()) { case clang::Type::Record: if (GetCompleteType ()) { const RecordType *record_type = cast(qual_type.getTypePtr()); const RecordDecl *record_decl = record_type->getDecl(); assert(record_decl); uint32_t field_bit_offset = 0; uint32_t field_byte_offset = 0; const ASTRecordLayout &record_layout = m_ast->getASTRecordLayout(record_decl); uint32_t child_idx = 0; const CXXRecordDecl *cxx_record_decl = dyn_cast(record_decl); if (cxx_record_decl) { // We might have base classes to print out first CXXRecordDecl::base_class_const_iterator base_class, base_class_end; for (base_class = cxx_record_decl->bases_begin(), base_class_end = cxx_record_decl->bases_end(); base_class != base_class_end; ++base_class) { const CXXRecordDecl *base_class_decl = cast(base_class->getType()->getAs()->getDecl()); // Skip empty base classes if (verbose == false && ClangASTContext::RecordHasFields(base_class_decl) == false) continue; if (base_class->isVirtual()) field_bit_offset = record_layout.getVBaseClassOffset(base_class_decl).getQuantity() * 8; else field_bit_offset = record_layout.getBaseClassOffset(base_class_decl).getQuantity() * 8; field_byte_offset = field_bit_offset / 8; assert (field_bit_offset % 8 == 0); if (child_idx == 0) s->PutChar('{'); else s->PutChar(','); QualType base_class_qual_type = base_class->getType(); std::string base_class_type_name(base_class_qual_type.getAsString()); // Indent and print the base class type name s->Printf("\n%*s%s ", depth + DEPTH_INCREMENT, "", base_class_type_name.c_str()); std::pair base_class_type_info = m_ast->getTypeInfo(base_class_qual_type); // Dump the value of the member ClangASTType base_clang_type(m_ast, base_class_qual_type); base_clang_type.DumpValue (exe_ctx, s, // Stream to dump to base_clang_type.GetFormat(), // The format with which to display the member data, // Data buffer containing all bytes for this type data_byte_offset + field_byte_offset,// Offset into "data" where to grab value from base_class_type_info.first / 8, // Size of this type in bytes 0, // Bitfield bit size 0, // Bitfield bit offset show_types, // Boolean indicating if we should show the variable types show_summary, // Boolean indicating if we should show a summary for the current type verbose, // Verbose output? depth + DEPTH_INCREMENT); // Scope depth for any types that have children ++child_idx; } } uint32_t field_idx = 0; RecordDecl::field_iterator field, field_end; for (field = record_decl->field_begin(), field_end = record_decl->field_end(); field != field_end; ++field, ++field_idx, ++child_idx) { // Print the starting squiggly bracket (if this is the // first member) or comman (for member 2 and beyong) for // the struct/union/class member. if (child_idx == 0) s->PutChar('{'); else s->PutChar(','); // Indent s->Printf("\n%*s", depth + DEPTH_INCREMENT, ""); QualType field_type = field->getType(); // Print the member type if requested // Figure out the type byte size (field_type_info.first) and // alignment (field_type_info.second) from the AST context. std::pair field_type_info = m_ast->getTypeInfo(field_type); assert(field_idx < record_layout.getFieldCount()); // Figure out the field offset within the current struct/union/class type field_bit_offset = record_layout.getFieldOffset (field_idx); field_byte_offset = field_bit_offset / 8; uint32_t field_bitfield_bit_size = 0; uint32_t field_bitfield_bit_offset = 0; if (ClangASTContext::FieldIsBitfield (m_ast, *field, field_bitfield_bit_size)) field_bitfield_bit_offset = field_bit_offset % 8; if (show_types) { std::string field_type_name(field_type.getAsString()); if (field_bitfield_bit_size > 0) s->Printf("(%s:%u) ", field_type_name.c_str(), field_bitfield_bit_size); else s->Printf("(%s) ", field_type_name.c_str()); } // Print the member name and equal sign s->Printf("%s = ", field->getNameAsString().c_str()); // Dump the value of the member ClangASTType field_clang_type (m_ast, field_type); field_clang_type.DumpValue (exe_ctx, s, // Stream to dump to field_clang_type.GetFormat(), // The format with which to display the member data, // Data buffer containing all bytes for this type data_byte_offset + field_byte_offset,// Offset into "data" where to grab value from field_type_info.first / 8, // Size of this type in bytes field_bitfield_bit_size, // Bitfield bit size field_bitfield_bit_offset, // Bitfield bit offset show_types, // Boolean indicating if we should show the variable types show_summary, // Boolean indicating if we should show a summary for the current type verbose, // Verbose output? depth + DEPTH_INCREMENT); // Scope depth for any types that have children } // Indent the trailing squiggly bracket if (child_idx > 0) s->Printf("\n%*s}", depth, ""); } return; case clang::Type::Enum: if (GetCompleteType ()) { const EnumType *enum_type = cast(qual_type.getTypePtr()); const EnumDecl *enum_decl = enum_type->getDecl(); assert(enum_decl); EnumDecl::enumerator_iterator enum_pos, enum_end_pos; lldb::offset_t offset = data_byte_offset; const int64_t enum_value = data.GetMaxU64Bitfield(&offset, data_byte_size, bitfield_bit_size, bitfield_bit_offset); for (enum_pos = enum_decl->enumerator_begin(), enum_end_pos = enum_decl->enumerator_end(); enum_pos != enum_end_pos; ++enum_pos) { if (enum_pos->getInitVal() == enum_value) { s->Printf("%s", enum_pos->getNameAsString().c_str()); return; } } // If we have gotten here we didn't get find the enumerator in the // enum decl, so just print the integer. s->Printf("%" PRIi64, enum_value); } return; case clang::Type::ConstantArray: { const ConstantArrayType *array = cast(qual_type.getTypePtr()); bool is_array_of_characters = false; QualType element_qual_type = array->getElementType(); const clang::Type *canonical_type = element_qual_type->getCanonicalTypeInternal().getTypePtr(); if (canonical_type) is_array_of_characters = canonical_type->isCharType(); const uint64_t element_count = array->getSize().getLimitedValue(); std::pair field_type_info = m_ast->getTypeInfo(element_qual_type); uint32_t element_idx = 0; uint32_t element_offset = 0; uint64_t element_byte_size = field_type_info.first / 8; uint32_t element_stride = element_byte_size; if (is_array_of_characters) { s->PutChar('"'); data.Dump(s, data_byte_offset, lldb::eFormatChar, element_byte_size, element_count, UINT32_MAX, LLDB_INVALID_ADDRESS, 0, 0); s->PutChar('"'); return; } else { ClangASTType element_clang_type(m_ast, element_qual_type); lldb::Format element_format = element_clang_type.GetFormat(); for (element_idx = 0; element_idx < element_count; ++element_idx) { // Print the starting squiggly bracket (if this is the // first member) or comman (for member 2 and beyong) for // the struct/union/class member. if (element_idx == 0) s->PutChar('{'); else s->PutChar(','); // Indent and print the index s->Printf("\n%*s[%u] ", depth + DEPTH_INCREMENT, "", element_idx); // Figure out the field offset within the current struct/union/class type element_offset = element_idx * element_stride; // Dump the value of the member element_clang_type.DumpValue (exe_ctx, s, // Stream to dump to element_format, // The format with which to display the element data, // Data buffer containing all bytes for this type data_byte_offset + element_offset,// Offset into "data" where to grab value from element_byte_size, // Size of this type in bytes 0, // Bitfield bit size 0, // Bitfield bit offset show_types, // Boolean indicating if we should show the variable types show_summary, // Boolean indicating if we should show a summary for the current type verbose, // Verbose output? depth + DEPTH_INCREMENT); // Scope depth for any types that have children } // Indent the trailing squiggly bracket if (element_idx > 0) s->Printf("\n%*s}", depth, ""); } } return; case clang::Type::Typedef: { QualType typedef_qual_type = cast(qual_type)->getDecl()->getUnderlyingType(); ClangASTType typedef_clang_type (m_ast, typedef_qual_type); lldb::Format typedef_format = typedef_clang_type.GetFormat(); std::pair typedef_type_info = m_ast->getTypeInfo(typedef_qual_type); uint64_t typedef_byte_size = typedef_type_info.first / 8; return typedef_clang_type.DumpValue (exe_ctx, s, // Stream to dump to typedef_format, // The format with which to display the element data, // Data buffer containing all bytes for this type data_byte_offset, // Offset into "data" where to grab value from typedef_byte_size, // Size of this type in bytes bitfield_bit_size, // Bitfield bit size bitfield_bit_offset,// Bitfield bit offset show_types, // Boolean indicating if we should show the variable types show_summary, // Boolean indicating if we should show a summary for the current type verbose, // Verbose output? depth); // Scope depth for any types that have children } break; case clang::Type::Elaborated: { QualType elaborated_qual_type = cast(qual_type)->getNamedType(); ClangASTType elaborated_clang_type (m_ast, elaborated_qual_type); lldb::Format elaborated_format = elaborated_clang_type.GetFormat(); std::pair elaborated_type_info = m_ast->getTypeInfo(elaborated_qual_type); uint64_t elaborated_byte_size = elaborated_type_info.first / 8; return elaborated_clang_type.DumpValue (exe_ctx, s, // Stream to dump to elaborated_format, // The format with which to display the element data, // Data buffer containing all bytes for this type data_byte_offset, // Offset into "data" where to grab value from elaborated_byte_size, // Size of this type in bytes bitfield_bit_size, // Bitfield bit size bitfield_bit_offset,// Bitfield bit offset show_types, // Boolean indicating if we should show the variable types show_summary, // Boolean indicating if we should show a summary for the current type verbose, // Verbose output? depth); // Scope depth for any types that have children } break; case clang::Type::Paren: { QualType desugar_qual_type = cast(qual_type)->desugar(); ClangASTType desugar_clang_type (m_ast, desugar_qual_type); lldb::Format desugar_format = desugar_clang_type.GetFormat(); std::pair desugar_type_info = m_ast->getTypeInfo(desugar_qual_type); uint64_t desugar_byte_size = desugar_type_info.first / 8; return desugar_clang_type.DumpValue (exe_ctx, s, // Stream to dump to desugar_format, // The format with which to display the element data, // Data buffer containing all bytes for this type data_byte_offset, // Offset into "data" where to grab value from desugar_byte_size, // Size of this type in bytes bitfield_bit_size, // Bitfield bit size bitfield_bit_offset,// Bitfield bit offset show_types, // Boolean indicating if we should show the variable types show_summary, // Boolean indicating if we should show a summary for the current type verbose, // Verbose output? depth); // Scope depth for any types that have children } break; default: // We are down the a scalar type that we just need to display. data.Dump(s, data_byte_offset, format, data_byte_size, 1, UINT32_MAX, LLDB_INVALID_ADDRESS, bitfield_bit_size, bitfield_bit_offset); if (show_summary) DumpSummary (exe_ctx, s, data, data_byte_offset, data_byte_size); break; } } bool ClangASTType::DumpTypeValue (Stream *s, lldb::Format format, const lldb_private::DataExtractor &data, lldb::offset_t byte_offset, size_t byte_size, uint32_t bitfield_bit_size, uint32_t bitfield_bit_offset, ExecutionContextScope *exe_scope) { if (!IsValid()) return false; if (IsAggregateType()) { return false; } else { QualType qual_type(GetQualType()); const clang::Type::TypeClass type_class = qual_type->getTypeClass(); switch (type_class) { case clang::Type::Typedef: { QualType typedef_qual_type = cast(qual_type)->getDecl()->getUnderlyingType(); ClangASTType typedef_clang_type (m_ast, typedef_qual_type); if (format == eFormatDefault) format = typedef_clang_type.GetFormat(); std::pair typedef_type_info = m_ast->getTypeInfo(typedef_qual_type); uint64_t typedef_byte_size = typedef_type_info.first / 8; return typedef_clang_type.DumpTypeValue (s, format, // The format with which to display the element data, // Data buffer containing all bytes for this type byte_offset, // Offset into "data" where to grab value from typedef_byte_size, // Size of this type in bytes bitfield_bit_size, // Size in bits of a bitfield value, if zero don't treat as a bitfield bitfield_bit_offset, // Offset in bits of a bitfield value if bitfield_bit_size != 0 exe_scope); } break; case clang::Type::Enum: // If our format is enum or default, show the enumeration value as // its enumeration string value, else just display it as requested. if ((format == eFormatEnum || format == eFormatDefault) && GetCompleteType ()) { const EnumType *enum_type = cast(qual_type.getTypePtr()); const EnumDecl *enum_decl = enum_type->getDecl(); assert(enum_decl); EnumDecl::enumerator_iterator enum_pos, enum_end_pos; const bool is_signed = qual_type->isSignedIntegerOrEnumerationType(); lldb::offset_t offset = byte_offset; if (is_signed) { const int64_t enum_svalue = data.GetMaxS64Bitfield (&offset, byte_size, bitfield_bit_size, bitfield_bit_offset); for (enum_pos = enum_decl->enumerator_begin(), enum_end_pos = enum_decl->enumerator_end(); enum_pos != enum_end_pos; ++enum_pos) { if (enum_pos->getInitVal().getSExtValue() == enum_svalue) { s->PutCString (enum_pos->getNameAsString().c_str()); return true; } } // If we have gotten here we didn't get find the enumerator in the // enum decl, so just print the integer. s->Printf("%" PRIi64, enum_svalue); } else { const uint64_t enum_uvalue = data.GetMaxU64Bitfield (&offset, byte_size, bitfield_bit_size, bitfield_bit_offset); for (enum_pos = enum_decl->enumerator_begin(), enum_end_pos = enum_decl->enumerator_end(); enum_pos != enum_end_pos; ++enum_pos) { if (enum_pos->getInitVal().getZExtValue() == enum_uvalue) { s->PutCString (enum_pos->getNameAsString().c_str()); return true; } } // If we have gotten here we didn't get find the enumerator in the // enum decl, so just print the integer. s->Printf("%" PRIu64, enum_uvalue); } return true; } // format was not enum, just fall through and dump the value as requested.... default: // We are down the a scalar type that we just need to display. { uint32_t item_count = 1; // A few formats, we might need to modify our size and count for depending // on how we are trying to display the value... switch (format) { default: case eFormatBoolean: case eFormatBinary: case eFormatComplex: case eFormatCString: // NULL terminated C strings case eFormatDecimal: case eFormatEnum: case eFormatHex: case eFormatHexUppercase: case eFormatFloat: case eFormatOctal: case eFormatOSType: case eFormatUnsigned: case eFormatPointer: case eFormatVectorOfChar: case eFormatVectorOfSInt8: case eFormatVectorOfUInt8: case eFormatVectorOfSInt16: case eFormatVectorOfUInt16: case eFormatVectorOfSInt32: case eFormatVectorOfUInt32: case eFormatVectorOfSInt64: case eFormatVectorOfUInt64: case eFormatVectorOfFloat32: case eFormatVectorOfFloat64: case eFormatVectorOfUInt128: break; case eFormatChar: case eFormatCharPrintable: case eFormatCharArray: case eFormatBytes: case eFormatBytesWithASCII: item_count = byte_size; byte_size = 1; break; case eFormatUnicode16: item_count = byte_size / 2; byte_size = 2; break; case eFormatUnicode32: item_count = byte_size / 4; byte_size = 4; break; } return data.Dump (s, byte_offset, format, byte_size, item_count, UINT32_MAX, LLDB_INVALID_ADDRESS, bitfield_bit_size, bitfield_bit_offset, exe_scope); } break; } } return 0; } void ClangASTType::DumpSummary (ExecutionContext *exe_ctx, Stream *s, const lldb_private::DataExtractor &data, lldb::offset_t data_byte_offset, size_t data_byte_size) { uint32_t length = 0; if (IsCStringType (length)) { if (exe_ctx) { Process *process = exe_ctx->GetProcessPtr(); if (process) { lldb::offset_t offset = data_byte_offset; lldb::addr_t pointer_addresss = data.GetMaxU64(&offset, data_byte_size); std::vector buf; if (length > 0) buf.resize (length); else buf.resize (256); lldb_private::DataExtractor cstr_data(&buf.front(), buf.size(), process->GetByteOrder(), 4); buf.back() = '\0'; size_t bytes_read; size_t total_cstr_len = 0; Error error; while ((bytes_read = process->ReadMemory (pointer_addresss, &buf.front(), buf.size(), error)) > 0) { const size_t len = strlen((const char *)&buf.front()); if (len == 0) break; if (total_cstr_len == 0) s->PutCString (" \""); cstr_data.Dump(s, 0, lldb::eFormatChar, 1, len, UINT32_MAX, LLDB_INVALID_ADDRESS, 0, 0); total_cstr_len += len; if (len < buf.size()) break; pointer_addresss += total_cstr_len; } if (total_cstr_len > 0) s->PutChar ('"'); } } } } void ClangASTType::DumpTypeDescription () const { StreamFile s (stdout, false); DumpTypeDescription (&s); ClangASTMetadata *metadata = ClangASTContext::GetMetadata (m_ast, m_type); if (metadata) { metadata->Dump (&s); } } void ClangASTType::DumpTypeDescription (Stream *s) const { if (IsValid()) { QualType qual_type(GetQualType()); SmallVector buf; raw_svector_ostream llvm_ostrm (buf); const clang::Type::TypeClass type_class = qual_type->getTypeClass(); switch (type_class) { case clang::Type::ObjCObject: case clang::Type::ObjCInterface: { GetCompleteType (); const ObjCObjectType *objc_class_type = dyn_cast(qual_type.getTypePtr()); assert (objc_class_type); if (objc_class_type) { ObjCInterfaceDecl *class_interface_decl = objc_class_type->getInterface(); if (class_interface_decl) { PrintingPolicy policy = m_ast->getPrintingPolicy(); class_interface_decl->print(llvm_ostrm, policy, s->GetIndentLevel()); } } } break; case clang::Type::Typedef: { const TypedefType *typedef_type = qual_type->getAs(); if (typedef_type) { const TypedefNameDecl *typedef_decl = typedef_type->getDecl(); std::string clang_typedef_name (typedef_decl->getQualifiedNameAsString()); if (!clang_typedef_name.empty()) { s->PutCString ("typedef "); s->PutCString (clang_typedef_name.c_str()); } } } break; case clang::Type::Elaborated: ClangASTType (m_ast, cast(qual_type)->getNamedType()).DumpTypeDescription(s); return; case clang::Type::Paren: ClangASTType (m_ast, cast(qual_type)->desugar()).DumpTypeDescription(s); return; case clang::Type::Record: { GetCompleteType (); const RecordType *record_type = cast(qual_type.getTypePtr()); const RecordDecl *record_decl = record_type->getDecl(); const CXXRecordDecl *cxx_record_decl = dyn_cast(record_decl); if (cxx_record_decl) cxx_record_decl->print(llvm_ostrm, m_ast->getPrintingPolicy(), s->GetIndentLevel()); else record_decl->print(llvm_ostrm, m_ast->getPrintingPolicy(), s->GetIndentLevel()); } break; default: { const TagType *tag_type = dyn_cast(qual_type.getTypePtr()); if (tag_type) { TagDecl *tag_decl = tag_type->getDecl(); if (tag_decl) tag_decl->print(llvm_ostrm, 0); } else { std::string clang_type_name(qual_type.getAsString()); if (!clang_type_name.empty()) s->PutCString (clang_type_name.c_str()); } } } llvm_ostrm.flush(); if (buf.size() > 0) { s->Write (buf.data(), buf.size()); } } } bool ClangASTType::GetValueAsScalar (const lldb_private::DataExtractor &data, lldb::offset_t data_byte_offset, size_t data_byte_size, Scalar &value) const { if (!IsValid()) return false; if (IsAggregateType ()) { return false; // Aggregate types don't have scalar values } else { uint64_t count = 0; lldb::Encoding encoding = GetEncoding (count); if (encoding == lldb::eEncodingInvalid || count != 1) return false; const uint64_t byte_size = GetByteSize(); lldb::offset_t offset = data_byte_offset; switch (encoding) { case lldb::eEncodingInvalid: break; case lldb::eEncodingVector: break; case lldb::eEncodingUint: if (byte_size <= sizeof(unsigned long long)) { uint64_t uval64 = data.GetMaxU64 (&offset, byte_size); if (byte_size <= sizeof(unsigned int)) { value = (unsigned int)uval64; return true; } else if (byte_size <= sizeof(unsigned long)) { value = (unsigned long)uval64; return true; } else if (byte_size <= sizeof(unsigned long long)) { value = (unsigned long long )uval64; return true; } else value.Clear(); } break; case lldb::eEncodingSint: if (byte_size <= sizeof(long long)) { int64_t sval64 = data.GetMaxS64 (&offset, byte_size); if (byte_size <= sizeof(int)) { value = (int)sval64; return true; } else if (byte_size <= sizeof(long)) { value = (long)sval64; return true; } else if (byte_size <= sizeof(long long)) { value = (long long )sval64; return true; } else value.Clear(); } break; case lldb::eEncodingIEEE754: if (byte_size <= sizeof(long double)) { uint32_t u32; uint64_t u64; if (byte_size == sizeof(float)) { if (sizeof(float) == sizeof(uint32_t)) { u32 = data.GetU32(&offset); value = *((float *)&u32); return true; } else if (sizeof(float) == sizeof(uint64_t)) { u64 = data.GetU64(&offset); value = *((float *)&u64); return true; } } else if (byte_size == sizeof(double)) { if (sizeof(double) == sizeof(uint32_t)) { u32 = data.GetU32(&offset); value = *((double *)&u32); return true; } else if (sizeof(double) == sizeof(uint64_t)) { u64 = data.GetU64(&offset); value = *((double *)&u64); return true; } } else if (byte_size == sizeof(long double)) { if (sizeof(long double) == sizeof(uint32_t)) { u32 = data.GetU32(&offset); value = *((long double *)&u32); return true; } else if (sizeof(long double) == sizeof(uint64_t)) { u64 = data.GetU64(&offset); value = *((long double *)&u64); return true; } } } break; } } return false; } bool ClangASTType::SetValueFromScalar (const Scalar &value, Stream &strm) { // Aggregate types don't have scalar values if (!IsAggregateType ()) { strm.GetFlags().Set(Stream::eBinary); uint64_t count = 0; lldb::Encoding encoding = GetEncoding (count); if (encoding == lldb::eEncodingInvalid || count != 1) return false; const uint64_t bit_width = GetBitSize(); // This function doesn't currently handle non-byte aligned assignments if ((bit_width % 8) != 0) return false; const uint64_t byte_size = (bit_width + 7 ) / 8; switch (encoding) { case lldb::eEncodingInvalid: break; case lldb::eEncodingVector: break; case lldb::eEncodingUint: switch (byte_size) { case 1: strm.PutHex8(value.UInt()); return true; case 2: strm.PutHex16(value.UInt()); return true; case 4: strm.PutHex32(value.UInt()); return true; case 8: strm.PutHex64(value.ULongLong()); return true; default: break; } break; case lldb::eEncodingSint: switch (byte_size) { case 1: strm.PutHex8(value.SInt()); return true; case 2: strm.PutHex16(value.SInt()); return true; case 4: strm.PutHex32(value.SInt()); return true; case 8: strm.PutHex64(value.SLongLong()); return true; default: break; } break; case lldb::eEncodingIEEE754: if (byte_size <= sizeof(long double)) { if (byte_size == sizeof(float)) { strm.PutFloat(value.Float()); return true; } else if (byte_size == sizeof(double)) { strm.PutDouble(value.Double()); return true; } else if (byte_size == sizeof(long double)) { strm.PutDouble(value.LongDouble()); return true; } } break; } } return false; } bool ClangASTType::ReadFromMemory (lldb_private::ExecutionContext *exe_ctx, lldb::addr_t addr, AddressType address_type, lldb_private::DataExtractor &data) { if (!IsValid()) return false; // Can't convert a file address to anything valid without more // context (which Module it came from) if (address_type == eAddressTypeFile) return false; if (!GetCompleteType()) return false; const uint64_t byte_size = GetByteSize(); if (data.GetByteSize() < byte_size) { lldb::DataBufferSP data_sp(new DataBufferHeap (byte_size, '\0')); data.SetData(data_sp); } uint8_t* dst = (uint8_t*)data.PeekData(0, byte_size); if (dst != NULL) { if (address_type == eAddressTypeHost) { if (addr == 0) return false; // The address is an address in this process, so just copy it memcpy (dst, (uint8_t*)NULL + addr, byte_size); return true; } else { Process *process = NULL; if (exe_ctx) process = exe_ctx->GetProcessPtr(); if (process) { Error error; return process->ReadMemory(addr, dst, byte_size, error) == byte_size; } } } return false; } bool ClangASTType::WriteToMemory (lldb_private::ExecutionContext *exe_ctx, lldb::addr_t addr, AddressType address_type, StreamString &new_value) { if (!IsValid()) return false; // Can't convert a file address to anything valid without more // context (which Module it came from) if (address_type == eAddressTypeFile) return false; if (!GetCompleteType()) return false; const uint64_t byte_size = GetByteSize(); if (byte_size > 0) { if (address_type == eAddressTypeHost) { // The address is an address in this process, so just copy it memcpy ((void *)addr, new_value.GetData(), byte_size); return true; } else { Process *process = NULL; if (exe_ctx) process = exe_ctx->GetProcessPtr(); if (process) { Error error; return process->WriteMemory(addr, new_value.GetData(), byte_size, error) == byte_size; } } } return false; } //CXXRecordDecl * //ClangASTType::GetAsCXXRecordDecl (lldb::clang_type_t opaque_clang_qual_type) //{ // if (opaque_clang_qual_type) // return QualType::getFromOpaquePtr(opaque_clang_qual_type)->getAsCXXRecordDecl(); // return NULL; //} bool lldb_private::operator == (const lldb_private::ClangASTType &lhs, const lldb_private::ClangASTType &rhs) { return lhs.GetASTContext() == rhs.GetASTContext() && lhs.GetOpaqueQualType() == rhs.GetOpaqueQualType(); } bool lldb_private::operator != (const lldb_private::ClangASTType &lhs, const lldb_private::ClangASTType &rhs) { return lhs.GetASTContext() != rhs.GetASTContext() || lhs.GetOpaqueQualType() != rhs.GetOpaqueQualType(); }