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/ASTSourceDescriptor.h" |
14 | #include <optional> |
15 | |
16 | namespace clang { |
17 | |
18 | class Module; |
19 | |
20 | } // namespace clang |
21 | |
22 | namespace lldb_private { |
23 | |
24 | class ClangExternalASTSourceCallbacks : public clang::ExternalASTSource { |
25 | /// LLVM RTTI support. |
26 | static char ID; |
27 | |
28 | public: |
29 | /// LLVM RTTI support. |
30 | bool isA(const void *ClassID) const override { return ClassID == &ID; } |
31 | static bool classof(const clang::ExternalASTSource *s) { return s->isA(ClassID: &ID); } |
32 | |
33 | ClangExternalASTSourceCallbacks(TypeSystemClang &ast) : m_ast(ast) {} |
34 | |
35 | void FindExternalLexicalDecls( |
36 | const clang::DeclContext *DC, |
37 | llvm::function_ref<bool(clang::Decl::Kind)> IsKindWeWant, |
38 | llvm::SmallVectorImpl<clang::Decl *> &Result) override; |
39 | |
40 | bool |
41 | FindExternalVisibleDeclsByName(const clang::DeclContext *DC, |
42 | clang::DeclarationName Name, |
43 | const clang::DeclContext *OriginalDC) override; |
44 | |
45 | void CompleteType(clang::TagDecl *tag_decl) override; |
46 | |
47 | void CompleteType(clang::ObjCInterfaceDecl *objc_decl) override; |
48 | |
49 | bool layoutRecordType( |
50 | const clang::RecordDecl *Record, uint64_t &Size, uint64_t &Alignment, |
51 | llvm::DenseMap<const clang::FieldDecl *, uint64_t> &FieldOffsets, |
52 | llvm::DenseMap<const clang::CXXRecordDecl *, clang::CharUnits> |
53 | &BaseOffsets, |
54 | llvm::DenseMap<const clang::CXXRecordDecl *, clang::CharUnits> |
55 | &VirtualBaseOffsets) override; |
56 | |
57 | TypeSystemClang &GetTypeSystem() const { return m_ast; } |
58 | |
59 | /// Module-related methods. |
60 | /// \{ |
61 | std::optional<clang::ASTSourceDescriptor> |
62 | getSourceDescriptor(unsigned ID) override; |
63 | clang::Module *getModule(unsigned ID) override; |
64 | OptionalClangModuleID RegisterModule(clang::Module *module); |
65 | OptionalClangModuleID GetIDForModule(clang::Module *module); |
66 | /// \} |
67 | private: |
68 | TypeSystemClang &m_ast; |
69 | std::vector<clang::Module *> m_modules; |
70 | llvm::DenseMap<clang::Module *, unsigned> m_ids; |
71 | }; |
72 | |
73 | } // namespace lldb_private |
74 | |
75 | #endif // LLDB_SOURCE_PLUGINS_EXPRESSIONPARSER_CLANG_CLANGEXTERNALASTSOURCECALLBACKS_H |
76 | |