1//===-- ClangExternalASTSourceCallbacks.h -----------------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef LLDB_SOURCE_PLUGINS_EXPRESSIONPARSER_CLANG_CLANGEXTERNALASTSOURCECALLBACKS_H
10#define LLDB_SOURCE_PLUGINS_EXPRESSIONPARSER_CLANG_CLANGEXTERNALASTSOURCECALLBACKS_H
11
12#include "Plugins/TypeSystem/Clang/TypeSystemClang.h"
13#include "clang/Basic/Module.h"
14#include <optional>
15
16namespace lldb_private {
17
18class ClangExternalASTSourceCallbacks : public clang::ExternalASTSource {
19 /// LLVM RTTI support.
20 static char ID;
21
22public:
23 /// LLVM RTTI support.
24 bool isA(const void *ClassID) const override { return ClassID == &ID; }
25 static bool classof(const clang::ExternalASTSource *s) { return s->isA(ClassID: &ID); }
26
27 ClangExternalASTSourceCallbacks(TypeSystemClang &ast) : m_ast(ast) {}
28
29 void FindExternalLexicalDecls(
30 const clang::DeclContext *DC,
31 llvm::function_ref<bool(clang::Decl::Kind)> IsKindWeWant,
32 llvm::SmallVectorImpl<clang::Decl *> &Result) override;
33
34 bool FindExternalVisibleDeclsByName(const clang::DeclContext *DC,
35 clang::DeclarationName Name) override;
36
37 void CompleteType(clang::TagDecl *tag_decl) override;
38
39 void CompleteType(clang::ObjCInterfaceDecl *objc_decl) override;
40
41 bool layoutRecordType(
42 const clang::RecordDecl *Record, uint64_t &Size, uint64_t &Alignment,
43 llvm::DenseMap<const clang::FieldDecl *, uint64_t> &FieldOffsets,
44 llvm::DenseMap<const clang::CXXRecordDecl *, clang::CharUnits>
45 &BaseOffsets,
46 llvm::DenseMap<const clang::CXXRecordDecl *, clang::CharUnits>
47 &VirtualBaseOffsets) override;
48
49 TypeSystemClang &GetTypeSystem() const { return m_ast; }
50
51 /// Module-related methods.
52 /// \{
53 std::optional<clang::ASTSourceDescriptor>
54 getSourceDescriptor(unsigned ID) override;
55 clang::Module *getModule(unsigned ID) override;
56 OptionalClangModuleID RegisterModule(clang::Module *module);
57 OptionalClangModuleID GetIDForModule(clang::Module *module);
58 /// \}
59private:
60 TypeSystemClang &m_ast;
61 std::vector<clang::Module *> m_modules;
62 llvm::DenseMap<clang::Module *, unsigned> m_ids;
63};
64
65} // namespace lldb_private
66
67#endif // LLDB_SOURCE_PLUGINS_EXPRESSIONPARSER_CLANG_CLANGEXTERNALASTSOURCECALLBACKS_H
68

source code of lldb/source/Plugins/ExpressionParser/Clang/ClangExternalASTSourceCallbacks.h