AppleObjCTypeEncodingParser.h revision 360784 
1//===-- AppleObjCTypeEncodingParser.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 liblldb_AppleObjCTypeEncodingParser_h_
10#define liblldb_AppleObjCTypeEncodingParser_h_
11
12#include "clang/AST/ASTContext.h"
13
14#include "lldb/lldb-private.h"
15
16#include "Plugins/LanguageRuntime/ObjC/ObjCLanguageRuntime.h"
17
18namespace lldb_private {
19class StringLexer;
20class AppleObjCTypeEncodingParser : public ObjCLanguageRuntime::EncodingToType {
21public:
22  AppleObjCTypeEncodingParser(ObjCLanguageRuntime &runtime);
23  ~AppleObjCTypeEncodingParser() override = default;
24
25  CompilerType RealizeType(ClangASTContext &ast_ctx, const char *name,
26                           bool for_expression) override;
27
28private:
29  struct StructElement {
30    std::string name;
31    clang::QualType type;
32    uint32_t bitfield;
33
34    StructElement();
35    ~StructElement() = default;
36  };
37
38  clang::QualType BuildType(ClangASTContext &clang_ast_ctx, StringLexer &type,
39                            bool for_expression,
40                            uint32_t *bitfield_bit_size = nullptr);
41
42  clang::QualType BuildStruct(ClangASTContext &ast_ctx, StringLexer &type,
43                              bool for_expression);
44
45  clang::QualType BuildAggregate(ClangASTContext &clang_ast_ctx,
46                                 StringLexer &type, bool for_expression,
47                                 char opener, char closer, uint32_t kind);
48
49  clang::QualType BuildUnion(ClangASTContext &ast_ctx, StringLexer &type,
50                             bool for_expression);
51
52  clang::QualType BuildArray(ClangASTContext &ast_ctx, StringLexer &type,
53                             bool for_expression);
54
55  std::string ReadStructName(StringLexer &type);
56
57  StructElement ReadStructElement(ClangASTContext &ast_ctx, StringLexer &type,
58                                  bool for_expression);
59
60  clang::QualType BuildObjCObjectPointerType(ClangASTContext &clang_ast_ctx,
61                                             StringLexer &type,
62                                             bool for_expression);
63
64  uint32_t ReadNumber(StringLexer &type);
65
66  std::string ReadQuotedString(StringLexer &type);
67
68  ObjCLanguageRuntime &m_runtime;
69};
70
71} // namespace lldb_private
72
73#endif // liblldb_AppleObjCTypeEncodingParser_h_
74