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//===-- ClangExternalASTSourceCallbacks.h -----------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLDB_SOURCE_PLUGINS_EXPRESSIONPARSER_CLANG_CLANGEXTERNALASTSOURCECALLBACKS_H
#define LLDB_SOURCE_PLUGINS_EXPRESSIONPARSER_CLANG_CLANGEXTERNALASTSOURCECALLBACKS_H
#include "Plugins/TypeSystem/Clang/TypeSystemClang.h"
#include "clang/Basic/Module.h"
#include <optional>
namespace lldb_private {
class ClangExternalASTSourceCallbacks : public clang::ExternalASTSource {
/// LLVM RTTI support.
static char ID;
public:
/// LLVM RTTI support.
bool isA(const void *ClassID) const override { return ClassID == &ID; }
static bool classof(const clang::ExternalASTSource *s) { return s->isA(&ID); }
ClangExternalASTSourceCallbacks(TypeSystemClang &ast) : m_ast(ast) {}
void FindExternalLexicalDecls(
const clang::DeclContext *DC,
llvm::function_ref<bool(clang::Decl::Kind)> IsKindWeWant,
llvm::SmallVectorImpl<clang::Decl *> &Result) override;
bool FindExternalVisibleDeclsByName(const clang::DeclContext *DC,
clang::DeclarationName Name) override;
void CompleteType(clang::TagDecl *tag_decl) override;
void CompleteType(clang::ObjCInterfaceDecl *objc_decl) override;
bool layoutRecordType(
const clang::RecordDecl *Record, uint64_t &Size, uint64_t &Alignment,
llvm::DenseMap<const clang::FieldDecl *, uint64_t> &FieldOffsets,
llvm::DenseMap<const clang::CXXRecordDecl *, clang::CharUnits>
&BaseOffsets,
llvm::DenseMap<const clang::CXXRecordDecl *, clang::CharUnits>
&VirtualBaseOffsets) override;
TypeSystemClang &GetTypeSystem() const { return m_ast; }
/// Module-related methods.
/// \{
std::optional<clang::ASTSourceDescriptor>
getSourceDescriptor(unsigned ID) override;
clang::Module *getModule(unsigned ID) override;
OptionalClangModuleID RegisterModule(clang::Module *module);
OptionalClangModuleID GetIDForModule(clang::Module *module);
/// \}
private:
TypeSystemClang &m_ast;
std::vector<clang::Module *> m_modules;
llvm::DenseMap<clang::Module *, unsigned> m_ids;
};
} // namespace lldb_private
#endif // LLDB_SOURCE_PLUGINS_EXPRESSIONPARSER_CLANG_CLANGEXTERNALASTSOURCECALLBACKS_H
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