1//===-- ClangASTMetadata.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_CLANGASTMETADATA_H
10#define LLDB_SOURCE_PLUGINS_EXPRESSIONPARSER_CLANG_CLANGASTMETADATA_H
11
12#include "lldb/Core/dwarf.h"
13#include "lldb/lldb-defines.h"
14#include "lldb/lldb-enumerations.h"
15#include "lldb/lldb-private-enumerations.h"
16
17namespace lldb_private {
18
19class ClangASTMetadata {
20public:
21 ClangASTMetadata()
22 : m_user_id(0), m_union_is_user_id(false), m_union_is_isa_ptr(false),
23 m_has_object_ptr(false), m_is_self(false),
24 m_is_forcefully_completed(false) {
25 SetIsDynamicCXXType(std::nullopt);
26 }
27
28 std::optional<bool> GetIsDynamicCXXType() const;
29
30 void SetIsDynamicCXXType(std::optional<bool> b);
31
32 void SetUserID(lldb::user_id_t user_id) {
33 m_user_id = user_id;
34 m_union_is_user_id = true;
35 m_union_is_isa_ptr = false;
36 }
37
38 lldb::user_id_t GetUserID() const {
39 if (m_union_is_user_id)
40 return m_user_id;
41 else
42 return LLDB_INVALID_UID;
43 }
44
45 void SetISAPtr(uint64_t isa_ptr) {
46 m_isa_ptr = isa_ptr;
47 m_union_is_user_id = false;
48 m_union_is_isa_ptr = true;
49 }
50
51 uint64_t GetISAPtr() const {
52 if (m_union_is_isa_ptr)
53 return m_isa_ptr;
54 else
55 return 0;
56 }
57
58 void SetObjectPtrName(const char *name) {
59 m_has_object_ptr = true;
60 if (strcmp(s1: name, s2: "self") == 0)
61 m_is_self = true;
62 else if (strcmp(s1: name, s2: "this") == 0)
63 m_is_self = false;
64 else
65 m_has_object_ptr = false;
66 }
67
68 lldb::LanguageType GetObjectPtrLanguage() const {
69 if (m_has_object_ptr) {
70 if (m_is_self)
71 return lldb::eLanguageTypeObjC;
72 else
73 return lldb::eLanguageTypeC_plus_plus;
74 }
75 return lldb::eLanguageTypeUnknown;
76 }
77
78 const char *GetObjectPtrName() const {
79 if (m_has_object_ptr) {
80 if (m_is_self)
81 return "self";
82 else
83 return "this";
84 } else
85 return nullptr;
86 }
87
88 bool HasObjectPtr() const { return m_has_object_ptr; }
89
90 /// A type is "forcefully completed" if it was declared complete to satisfy an
91 /// AST invariant (e.g. base classes must be complete types), but in fact we
92 /// were not able to find a actual definition for it.
93 bool IsForcefullyCompleted() const { return m_is_forcefully_completed; }
94
95 void SetIsForcefullyCompleted(bool value = true) {
96 m_is_forcefully_completed = true;
97 }
98
99 void Dump(Stream *s);
100
101private:
102 union {
103 lldb::user_id_t m_user_id;
104 uint64_t m_isa_ptr;
105 };
106
107 unsigned m_union_is_user_id : 1, m_union_is_isa_ptr : 1, m_has_object_ptr : 1,
108 m_is_self : 1, m_is_dynamic_cxx : 2, m_is_forcefully_completed : 1;
109};
110
111} // namespace lldb_private
112
113#endif // LLDB_SOURCE_PLUGINS_EXPRESSIONPARSER_CLANG_CLANGASTMETADATA_H
114

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