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

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