1 //===-- SBDeclaration.cpp -------------------------------------------------===//
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 #include "lldb/API/SBDeclaration.h"
10 #include "Utils.h"
11 #include "lldb/API/SBStream.h"
12 #include "lldb/Core/Declaration.h"
13 #include "lldb/Host/PosixApi.h"
14 #include "lldb/Utility/Instrumentation.h"
15 #include "lldb/Utility/Stream.h"
16 
17 #include <climits>
18 
19 using namespace lldb;
20 using namespace lldb_private;
21 
22 SBDeclaration::SBDeclaration() { LLDB_INSTRUMENT_VA(this); }
23 
24 SBDeclaration::SBDeclaration(const SBDeclaration &rhs) {
25   LLDB_INSTRUMENT_VA(this, rhs);
26 
27   m_opaque_up = clone(rhs.m_opaque_up);
28 }
29 
30 SBDeclaration::SBDeclaration(const lldb_private::Declaration *lldb_object_ptr) {
31   if (lldb_object_ptr)
32     m_opaque_up = std::make_unique<Declaration>(*lldb_object_ptr);
33 }
34 
35 const SBDeclaration &SBDeclaration::operator=(const SBDeclaration &rhs) {
36   LLDB_INSTRUMENT_VA(this, rhs);
37 
38   if (this != &rhs)
39     m_opaque_up = clone(rhs.m_opaque_up);
40   return *this;
41 }
42 
43 void SBDeclaration::SetDeclaration(
44     const lldb_private::Declaration &lldb_object_ref) {
45   ref() = lldb_object_ref;
46 }
47 
48 SBDeclaration::~SBDeclaration() = default;
49 
50 bool SBDeclaration::IsValid() const {
51   LLDB_INSTRUMENT_VA(this);
52   return this->operator bool();
53 }
54 SBDeclaration::operator bool() const {
55   LLDB_INSTRUMENT_VA(this);
56 
57   return m_opaque_up.get() && m_opaque_up->IsValid();
58 }
59 
60 SBFileSpec SBDeclaration::GetFileSpec() const {
61   LLDB_INSTRUMENT_VA(this);
62 
63   SBFileSpec sb_file_spec;
64   if (m_opaque_up.get() && m_opaque_up->GetFile())
65     sb_file_spec.SetFileSpec(m_opaque_up->GetFile());
66 
67   return sb_file_spec;
68 }
69 
70 uint32_t SBDeclaration::GetLine() const {
71   LLDB_INSTRUMENT_VA(this);
72 
73   uint32_t line = 0;
74   if (m_opaque_up)
75     line = m_opaque_up->GetLine();
76 
77 
78   return line;
79 }
80 
81 uint32_t SBDeclaration::GetColumn() const {
82   LLDB_INSTRUMENT_VA(this);
83 
84   if (m_opaque_up)
85     return m_opaque_up->GetColumn();
86   return 0;
87 }
88 
89 void SBDeclaration::SetFileSpec(lldb::SBFileSpec filespec) {
90   LLDB_INSTRUMENT_VA(this, filespec);
91 
92   if (filespec.IsValid())
93     ref().SetFile(filespec.ref());
94   else
95     ref().SetFile(FileSpec());
96 }
97 void SBDeclaration::SetLine(uint32_t line) {
98   LLDB_INSTRUMENT_VA(this, line);
99 
100   ref().SetLine(line);
101 }
102 
103 void SBDeclaration::SetColumn(uint32_t column) {
104   LLDB_INSTRUMENT_VA(this, column);
105 
106   ref().SetColumn(column);
107 }
108 
109 bool SBDeclaration::operator==(const SBDeclaration &rhs) const {
110   LLDB_INSTRUMENT_VA(this, rhs);
111 
112   lldb_private::Declaration *lhs_ptr = m_opaque_up.get();
113   lldb_private::Declaration *rhs_ptr = rhs.m_opaque_up.get();
114 
115   if (lhs_ptr && rhs_ptr)
116     return lldb_private::Declaration::Compare(*lhs_ptr, *rhs_ptr) == 0;
117 
118   return lhs_ptr == rhs_ptr;
119 }
120 
121 bool SBDeclaration::operator!=(const SBDeclaration &rhs) const {
122   LLDB_INSTRUMENT_VA(this, rhs);
123 
124   lldb_private::Declaration *lhs_ptr = m_opaque_up.get();
125   lldb_private::Declaration *rhs_ptr = rhs.m_opaque_up.get();
126 
127   if (lhs_ptr && rhs_ptr)
128     return lldb_private::Declaration::Compare(*lhs_ptr, *rhs_ptr) != 0;
129 
130   return lhs_ptr != rhs_ptr;
131 }
132 
133 const lldb_private::Declaration *SBDeclaration::operator->() const {
134   return m_opaque_up.get();
135 }
136 
137 lldb_private::Declaration &SBDeclaration::ref() {
138   if (m_opaque_up == nullptr)
139     m_opaque_up = std::make_unique<lldb_private::Declaration>();
140   return *m_opaque_up;
141 }
142 
143 const lldb_private::Declaration &SBDeclaration::ref() const {
144   return *m_opaque_up;
145 }
146 
147 bool SBDeclaration::GetDescription(SBStream &description) {
148   LLDB_INSTRUMENT_VA(this, description);
149 
150   Stream &strm = description.ref();
151 
152   if (m_opaque_up) {
153     char file_path[PATH_MAX * 2];
154     m_opaque_up->GetFile().GetPath(file_path, sizeof(file_path));
155     strm.Printf("%s:%u", file_path, GetLine());
156     if (GetColumn() > 0)
157       strm.Printf(":%u", GetColumn());
158   } else
159     strm.PutCString("No value");
160 
161   return true;
162 }
163 
164 lldb_private::Declaration *SBDeclaration::get() { return m_opaque_up.get(); }
165