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_utility {
19 class StringLexer;
20 }
21 
22 namespace lldb_private {
23 
24 class AppleObjCTypeEncodingParser : public ObjCLanguageRuntime::EncodingToType {
25 public:
26   AppleObjCTypeEncodingParser(ObjCLanguageRuntime &runtime);
27   ~AppleObjCTypeEncodingParser() override = default;
28 
29   CompilerType RealizeType(clang::ASTContext &ast_ctx, const char *name,
30                            bool for_expression) override;
31 
32 private:
33   struct StructElement {
34     std::string name;
35     clang::QualType type;
36     uint32_t bitfield;
37 
38     StructElement();
39     ~StructElement() = default;
40   };
41 
42   clang::QualType BuildType(clang::ASTContext &ast_ctx,
43                             lldb_utility::StringLexer &type,
44                             bool for_expression,
45                             uint32_t *bitfield_bit_size = nullptr);
46 
47   clang::QualType BuildStruct(clang::ASTContext &ast_ctx,
48                               lldb_utility::StringLexer &type,
49                               bool for_expression);
50 
51   clang::QualType BuildAggregate(clang::ASTContext &ast_ctx,
52                                  lldb_utility::StringLexer &type,
53                                  bool for_expression, char opener, char closer,
54                                  uint32_t kind);
55 
56   clang::QualType BuildUnion(clang::ASTContext &ast_ctx,
57                              lldb_utility::StringLexer &type,
58                              bool for_expression);
59 
60   clang::QualType BuildArray(clang::ASTContext &ast_ctx,
61                              lldb_utility::StringLexer &type,
62                              bool for_expression);
63 
64   std::string ReadStructName(lldb_utility::StringLexer &type);
65 
66   StructElement ReadStructElement(clang::ASTContext &ast_ctx,
67                                   lldb_utility::StringLexer &type,
68                                   bool for_expression);
69 
70   clang::QualType BuildObjCObjectPointerType(clang::ASTContext &ast_ctx,
71                                              lldb_utility::StringLexer &type,
72                                              bool for_expression);
73 
74   uint32_t ReadNumber(lldb_utility::StringLexer &type);
75 
76   std::string ReadQuotedString(lldb_utility::StringLexer &type);
77 
78   ObjCLanguageRuntime &m_runtime;
79 };
80 
81 } // namespace lldb_private
82 
83 #endif // liblldb_AppleObjCTypeEncodingParser_h_
84