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 
18 namespace lldb_private {
19 class StringLexer;
20 class AppleObjCTypeEncodingParser : public ObjCLanguageRuntime::EncodingToType {
21 public:
22   AppleObjCTypeEncodingParser(ObjCLanguageRuntime &runtime);
23   ~AppleObjCTypeEncodingParser() override = default;
24 
25   CompilerType RealizeType(ClangASTContext &ast_ctx, const char *name,
26                            bool for_expression) override;
27 
28 private:
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