1 //===-- SBLineEntry.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/SBLineEntry.h"
10 #include "Utils.h"
11 #include "lldb/API/SBStream.h"
12 #include "lldb/Host/PosixApi.h"
13 #include "lldb/Symbol/LineEntry.h"
14 #include "lldb/Utility/Instrumentation.h"
15 #include "lldb/Utility/StreamString.h"
16 
17 #include <climits>
18 
19 using namespace lldb;
20 using namespace lldb_private;
21 
22 SBLineEntry::SBLineEntry() { LLDB_INSTRUMENT_VA(this); }
23 
24 SBLineEntry::SBLineEntry(const SBLineEntry &rhs) {
25   LLDB_INSTRUMENT_VA(this, rhs);
26 
27   m_opaque_up = clone(rhs.m_opaque_up);
28 }
29 
30 SBLineEntry::SBLineEntry(const lldb_private::LineEntry *lldb_object_ptr) {
31   if (lldb_object_ptr)
32     m_opaque_up = std::make_unique<LineEntry>(*lldb_object_ptr);
33 }
34 
35 const SBLineEntry &SBLineEntry::operator=(const SBLineEntry &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 SBLineEntry::SetLineEntry(const lldb_private::LineEntry &lldb_object_ref) {
44   m_opaque_up = std::make_unique<LineEntry>(lldb_object_ref);
45 }
46 
47 SBLineEntry::~SBLineEntry() = default;
48 
49 SBAddress SBLineEntry::GetStartAddress() const {
50   LLDB_INSTRUMENT_VA(this);
51 
52   SBAddress sb_address;
53   if (m_opaque_up)
54     sb_address.SetAddress(m_opaque_up->range.GetBaseAddress());
55 
56   return sb_address;
57 }
58 
59 SBAddress SBLineEntry::GetEndAddress() const {
60   LLDB_INSTRUMENT_VA(this);
61 
62   SBAddress sb_address;
63   if (m_opaque_up) {
64     sb_address.SetAddress(m_opaque_up->range.GetBaseAddress());
65     sb_address.OffsetAddress(m_opaque_up->range.GetByteSize());
66   }
67   return sb_address;
68 }
69 
70 bool SBLineEntry::IsValid() const {
71   LLDB_INSTRUMENT_VA(this);
72   return this->operator bool();
73 }
74 SBLineEntry::operator bool() const {
75   LLDB_INSTRUMENT_VA(this);
76 
77   return m_opaque_up.get() && m_opaque_up->IsValid();
78 }
79 
80 SBFileSpec SBLineEntry::GetFileSpec() const {
81   LLDB_INSTRUMENT_VA(this);
82 
83   SBFileSpec sb_file_spec;
84   if (m_opaque_up.get() && m_opaque_up->file)
85     sb_file_spec.SetFileSpec(m_opaque_up->file);
86 
87   return sb_file_spec;
88 }
89 
90 uint32_t SBLineEntry::GetLine() const {
91   LLDB_INSTRUMENT_VA(this);
92 
93   uint32_t line = 0;
94   if (m_opaque_up)
95     line = m_opaque_up->line;
96 
97   return line;
98 }
99 
100 uint32_t SBLineEntry::GetColumn() const {
101   LLDB_INSTRUMENT_VA(this);
102 
103   if (m_opaque_up)
104     return m_opaque_up->column;
105   return 0;
106 }
107 
108 void SBLineEntry::SetFileSpec(lldb::SBFileSpec filespec) {
109   LLDB_INSTRUMENT_VA(this, filespec);
110 
111   if (filespec.IsValid())
112     ref().file = filespec.ref();
113   else
114     ref().file.Clear();
115 }
116 void SBLineEntry::SetLine(uint32_t line) {
117   LLDB_INSTRUMENT_VA(this, line);
118 
119   ref().line = line;
120 }
121 
122 void SBLineEntry::SetColumn(uint32_t column) {
123   LLDB_INSTRUMENT_VA(this, column);
124 
125   ref().line = column;
126 }
127 
128 bool SBLineEntry::operator==(const SBLineEntry &rhs) const {
129   LLDB_INSTRUMENT_VA(this, rhs);
130 
131   lldb_private::LineEntry *lhs_ptr = m_opaque_up.get();
132   lldb_private::LineEntry *rhs_ptr = rhs.m_opaque_up.get();
133 
134   if (lhs_ptr && rhs_ptr)
135     return lldb_private::LineEntry::Compare(*lhs_ptr, *rhs_ptr) == 0;
136 
137   return lhs_ptr == rhs_ptr;
138 }
139 
140 bool SBLineEntry::operator!=(const SBLineEntry &rhs) const {
141   LLDB_INSTRUMENT_VA(this, rhs);
142 
143   lldb_private::LineEntry *lhs_ptr = m_opaque_up.get();
144   lldb_private::LineEntry *rhs_ptr = rhs.m_opaque_up.get();
145 
146   if (lhs_ptr && rhs_ptr)
147     return lldb_private::LineEntry::Compare(*lhs_ptr, *rhs_ptr) != 0;
148 
149   return lhs_ptr != rhs_ptr;
150 }
151 
152 const lldb_private::LineEntry *SBLineEntry::operator->() const {
153   return m_opaque_up.get();
154 }
155 
156 lldb_private::LineEntry &SBLineEntry::ref() {
157   if (m_opaque_up == nullptr)
158     m_opaque_up = std::make_unique<lldb_private::LineEntry>();
159   return *m_opaque_up;
160 }
161 
162 const lldb_private::LineEntry &SBLineEntry::ref() const { return *m_opaque_up; }
163 
164 bool SBLineEntry::GetDescription(SBStream &description) {
165   LLDB_INSTRUMENT_VA(this, description);
166 
167   Stream &strm = description.ref();
168 
169   if (m_opaque_up) {
170     char file_path[PATH_MAX * 2];
171     m_opaque_up->file.GetPath(file_path, sizeof(file_path));
172     strm.Printf("%s:%u", file_path, GetLine());
173     if (GetColumn() > 0)
174       strm.Printf(":%u", GetColumn());
175   } else
176     strm.PutCString("No value");
177 
178   return true;
179 }
180 
181 lldb_private::LineEntry *SBLineEntry::get() { return m_opaque_up.get(); }
182