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146 lines
5.1 KiB
146 lines
5.1 KiB
4 months ago
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//===-- PdbAstBuilder.h -----------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLDB_SOURCE_PLUGINS_SYMBOLFILE_NATIVEPDB_PDBASTBUILDER_H
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#define LLDB_SOURCE_PLUGINS_SYMBOLFILE_NATIVEPDB_PDBASTBUILDER_H
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/ADT/StringRef.h"
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#include "Plugins/ExpressionParser/Clang/ClangASTImporter.h"
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#include "PdbIndex.h"
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#include "PdbSymUid.h"
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namespace clang {
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class TagDecl;
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class DeclContext;
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class Decl;
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class QualType;
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class FunctionDecl;
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class NamespaceDecl;
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} // namespace clang
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namespace llvm {
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namespace codeview {
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class ProcSym;
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}
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} // namespace llvm
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namespace lldb_private {
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class ClangASTImporter;
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class ObjectFile;
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namespace npdb {
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class PdbIndex;
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struct VariableInfo;
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struct DeclStatus {
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DeclStatus() = default;
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DeclStatus(lldb::user_id_t uid, bool resolved)
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: uid(uid), resolved(resolved) {}
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lldb::user_id_t uid = 0;
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bool resolved = false;
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};
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class PdbAstBuilder {
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public:
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// Constructors and Destructors
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PdbAstBuilder(ObjectFile &obj, PdbIndex &index, TypeSystemClang &clang);
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lldb_private::CompilerDeclContext GetTranslationUnitDecl();
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llvm::Optional<lldb_private::CompilerDecl>
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GetOrCreateDeclForUid(PdbSymUid uid);
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clang::DeclContext *GetOrCreateDeclContextForUid(PdbSymUid uid);
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clang::DeclContext *GetParentDeclContext(PdbSymUid uid);
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clang::FunctionDecl *GetOrCreateFunctionDecl(PdbCompilandSymId func_id);
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clang::BlockDecl *GetOrCreateBlockDecl(PdbCompilandSymId block_id);
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clang::VarDecl *GetOrCreateVariableDecl(PdbCompilandSymId scope_id,
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PdbCompilandSymId var_id);
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clang::VarDecl *GetOrCreateVariableDecl(PdbGlobalSymId var_id);
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clang::TypedefNameDecl *GetOrCreateTypedefDecl(PdbGlobalSymId id);
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void ParseDeclsForContext(clang::DeclContext &context);
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clang::QualType GetBasicType(lldb::BasicType type);
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clang::QualType GetOrCreateType(PdbTypeSymId type);
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bool CompleteTagDecl(clang::TagDecl &tag);
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bool CompleteType(clang::QualType qt);
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CompilerDecl ToCompilerDecl(clang::Decl &decl);
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CompilerType ToCompilerType(clang::QualType qt);
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CompilerDeclContext ToCompilerDeclContext(clang::DeclContext &context);
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clang::Decl *FromCompilerDecl(CompilerDecl decl);
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clang::DeclContext *FromCompilerDeclContext(CompilerDeclContext context);
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TypeSystemClang &clang() { return m_clang; }
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ClangASTImporter &importer() { return m_importer; }
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void Dump(Stream &stream);
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private:
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clang::Decl *TryGetDecl(PdbSymUid uid) const;
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using TypeIndex = llvm::codeview::TypeIndex;
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clang::QualType
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CreatePointerType(const llvm::codeview::PointerRecord &pointer);
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clang::QualType
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CreateModifierType(const llvm::codeview::ModifierRecord &modifier);
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clang::QualType CreateArrayType(const llvm::codeview::ArrayRecord &array);
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clang::QualType CreateRecordType(PdbTypeSymId id,
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const llvm::codeview::TagRecord &record);
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clang::QualType CreateEnumType(PdbTypeSymId id,
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const llvm::codeview::EnumRecord &record);
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clang::QualType
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CreateFunctionType(TypeIndex args_type_idx, TypeIndex return_type_idx,
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llvm::codeview::CallingConvention calling_convention);
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clang::QualType CreateType(PdbTypeSymId type);
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void CreateFunctionParameters(PdbCompilandSymId func_id,
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clang::FunctionDecl &function_decl,
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uint32_t param_count);
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clang::Decl *GetOrCreateSymbolForId(PdbCompilandSymId id);
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clang::VarDecl *CreateVariableDecl(PdbSymUid uid,
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llvm::codeview::CVSymbol sym,
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clang::DeclContext &scope);
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clang::DeclContext *
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GetParentDeclContextForSymbol(const llvm::codeview::CVSymbol &sym);
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clang::NamespaceDecl *GetOrCreateNamespaceDecl(const char *name,
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clang::DeclContext &context);
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void ParseAllNamespacesPlusChildrenOf(llvm::Optional<llvm::StringRef> parent);
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void ParseDeclsForSimpleContext(clang::DeclContext &context);
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void ParseBlockChildren(PdbCompilandSymId block_id);
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void BuildParentMap();
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std::pair<clang::DeclContext *, std::string>
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CreateDeclInfoForType(const llvm::codeview::TagRecord &record, TypeIndex ti);
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std::pair<clang::DeclContext *, std::string>
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CreateDeclInfoForUndecoratedName(llvm::StringRef uname);
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clang::QualType CreateSimpleType(TypeIndex ti);
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PdbIndex &m_index;
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TypeSystemClang &m_clang;
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ClangASTImporter m_importer;
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llvm::DenseMap<TypeIndex, TypeIndex> m_parent_types;
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llvm::DenseMap<clang::Decl *, DeclStatus> m_decl_to_status;
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llvm::DenseMap<lldb::user_id_t, clang::Decl *> m_uid_to_decl;
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llvm::DenseMap<lldb::user_id_t, clang::QualType> m_uid_to_type;
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};
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} // namespace npdb
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} // namespace lldb_private
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#endif // LLDB_SOURCE_PLUGINS_SYMBOLFILE_NATIVEPDB_PDBASTBUILDER_H
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