1 //===-- SBSourceManager.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/SBSourceManager.h"
10 #include "lldb/API/SBDebugger.h"
11 #include "lldb/API/SBStream.h"
12 #include "lldb/API/SBTarget.h"
13 #include "lldb/Utility/Instrumentation.h"
14
15 #include "lldb/API/SBFileSpec.h"
16 #include "lldb/Core/Debugger.h"
17 #include "lldb/Core/SourceManager.h"
18 #include "lldb/Core/StreamFile.h"
19 #include "lldb/Utility/Stream.h"
20
21 #include "lldb/Target/Target.h"
22
23 namespace lldb_private {
24 class SourceManagerImpl {
25 public:
SourceManagerImpl(const lldb::DebuggerSP & debugger_sp)26 SourceManagerImpl(const lldb::DebuggerSP &debugger_sp)
27 : m_debugger_wp(debugger_sp) {}
28
SourceManagerImpl(const lldb::TargetSP & target_sp)29 SourceManagerImpl(const lldb::TargetSP &target_sp) : m_target_wp(target_sp) {}
30
SourceManagerImpl(const SourceManagerImpl & rhs)31 SourceManagerImpl(const SourceManagerImpl &rhs) {
32 if (&rhs == this)
33 return;
34 m_debugger_wp = rhs.m_debugger_wp;
35 m_target_wp = rhs.m_target_wp;
36 }
37
DisplaySourceLinesWithLineNumbers(const lldb_private::FileSpec & file,uint32_t line,uint32_t column,uint32_t context_before,uint32_t context_after,const char * current_line_cstr,lldb_private::Stream * s)38 size_t DisplaySourceLinesWithLineNumbers(const lldb_private::FileSpec &file,
39 uint32_t line, uint32_t column,
40 uint32_t context_before,
41 uint32_t context_after,
42 const char *current_line_cstr,
43 lldb_private::Stream *s) {
44 if (!file)
45 return 0;
46
47 lldb::TargetSP target_sp(m_target_wp.lock());
48 if (target_sp) {
49 return target_sp->GetSourceManager().DisplaySourceLinesWithLineNumbers(
50 file, line, column, context_before, context_after, current_line_cstr,
51 s);
52 } else {
53 lldb::DebuggerSP debugger_sp(m_debugger_wp.lock());
54 if (debugger_sp) {
55 return debugger_sp->GetSourceManager()
56 .DisplaySourceLinesWithLineNumbers(file, line, column,
57 context_before, context_after,
58 current_line_cstr, s);
59 }
60 }
61 return 0;
62 }
63
64 private:
65 lldb::DebuggerWP m_debugger_wp;
66 lldb::TargetWP m_target_wp;
67 };
68 }
69
70 using namespace lldb;
71 using namespace lldb_private;
72
SBSourceManager(const SBDebugger & debugger)73 SBSourceManager::SBSourceManager(const SBDebugger &debugger) {
74 LLDB_INSTRUMENT_VA(this, debugger);
75
76 m_opaque_up = std::make_unique<SourceManagerImpl>(debugger.get_sp());
77 }
78
SBSourceManager(const SBTarget & target)79 SBSourceManager::SBSourceManager(const SBTarget &target) {
80 LLDB_INSTRUMENT_VA(this, target);
81
82 m_opaque_up = std::make_unique<SourceManagerImpl>(target.GetSP());
83 }
84
SBSourceManager(const SBSourceManager & rhs)85 SBSourceManager::SBSourceManager(const SBSourceManager &rhs) {
86 LLDB_INSTRUMENT_VA(this, rhs);
87
88 if (&rhs == this)
89 return;
90
91 m_opaque_up = std::make_unique<SourceManagerImpl>(*rhs.m_opaque_up);
92 }
93
94 const lldb::SBSourceManager &SBSourceManager::
operator =(const lldb::SBSourceManager & rhs)95 operator=(const lldb::SBSourceManager &rhs) {
96 LLDB_INSTRUMENT_VA(this, rhs);
97
98 m_opaque_up = std::make_unique<SourceManagerImpl>(*rhs.m_opaque_up);
99 return *this;
100 }
101
102 SBSourceManager::~SBSourceManager() = default;
103
DisplaySourceLinesWithLineNumbers(const SBFileSpec & file,uint32_t line,uint32_t context_before,uint32_t context_after,const char * current_line_cstr,SBStream & s)104 size_t SBSourceManager::DisplaySourceLinesWithLineNumbers(
105 const SBFileSpec &file, uint32_t line, uint32_t context_before,
106 uint32_t context_after, const char *current_line_cstr, SBStream &s) {
107 LLDB_INSTRUMENT_VA(this, file, line, context_before, context_after,
108 current_line_cstr, s);
109
110 const uint32_t column = 0;
111 return DisplaySourceLinesWithLineNumbersAndColumn(
112 file.ref(), line, column, context_before, context_after,
113 current_line_cstr, s);
114 }
115
DisplaySourceLinesWithLineNumbersAndColumn(const SBFileSpec & file,uint32_t line,uint32_t column,uint32_t context_before,uint32_t context_after,const char * current_line_cstr,SBStream & s)116 size_t SBSourceManager::DisplaySourceLinesWithLineNumbersAndColumn(
117 const SBFileSpec &file, uint32_t line, uint32_t column,
118 uint32_t context_before, uint32_t context_after,
119 const char *current_line_cstr, SBStream &s) {
120 LLDB_INSTRUMENT_VA(this, file, line, column, context_before, context_after,
121 current_line_cstr, s);
122
123 if (m_opaque_up == nullptr)
124 return 0;
125
126 return m_opaque_up->DisplaySourceLinesWithLineNumbers(
127 file.ref(), line, column, context_before, context_after,
128 current_line_cstr, s.get());
129 }
130