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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 "SBReproducerPrivate.h"
11 #include "lldb/API/SBDebugger.h"
12 #include "lldb/API/SBStream.h"
13 #include "lldb/API/SBTarget.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), m_target_wp() {}
28 
SourceManagerImpl(const lldb::TargetSP & target_sp)29   SourceManagerImpl(const lldb::TargetSP &target_sp)
30       : m_debugger_wp(), m_target_wp(target_sp) {}
31 
SourceManagerImpl(const SourceManagerImpl & rhs)32   SourceManagerImpl(const SourceManagerImpl &rhs) {
33     if (&rhs == this)
34       return;
35     m_debugger_wp = rhs.m_debugger_wp;
36     m_target_wp = rhs.m_target_wp;
37   }
38 
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)39   size_t DisplaySourceLinesWithLineNumbers(const lldb_private::FileSpec &file,
40                                            uint32_t line, uint32_t column,
41                                            uint32_t context_before,
42                                            uint32_t context_after,
43                                            const char *current_line_cstr,
44                                            lldb_private::Stream *s) {
45     if (!file)
46       return 0;
47 
48     lldb::TargetSP target_sp(m_target_wp.lock());
49     if (target_sp) {
50       return target_sp->GetSourceManager().DisplaySourceLinesWithLineNumbers(
51           file, line, column, context_before, context_after, current_line_cstr,
52           s);
53     } else {
54       lldb::DebuggerSP debugger_sp(m_debugger_wp.lock());
55       if (debugger_sp) {
56         return debugger_sp->GetSourceManager()
57             .DisplaySourceLinesWithLineNumbers(file, line, column,
58                                                context_before, context_after,
59                                                current_line_cstr, s);
60       }
61     }
62     return 0;
63   }
64 
65 private:
66   lldb::DebuggerWP m_debugger_wp;
67   lldb::TargetWP m_target_wp;
68 };
69 }
70 
71 using namespace lldb;
72 using namespace lldb_private;
73 
SBSourceManager(const SBDebugger & debugger)74 SBSourceManager::SBSourceManager(const SBDebugger &debugger) {
75   LLDB_RECORD_CONSTRUCTOR(SBSourceManager, (const lldb::SBDebugger &),
76                           debugger);
77 
78   m_opaque_up = std::make_unique<SourceManagerImpl>(debugger.get_sp());
79 }
80 
SBSourceManager(const SBTarget & target)81 SBSourceManager::SBSourceManager(const SBTarget &target) {
82   LLDB_RECORD_CONSTRUCTOR(SBSourceManager, (const lldb::SBTarget &), target);
83 
84   m_opaque_up = std::make_unique<SourceManagerImpl>(target.GetSP());
85 }
86 
SBSourceManager(const SBSourceManager & rhs)87 SBSourceManager::SBSourceManager(const SBSourceManager &rhs) {
88   LLDB_RECORD_CONSTRUCTOR(SBSourceManager, (const lldb::SBSourceManager &),
89                           rhs);
90 
91   if (&rhs == this)
92     return;
93 
94   m_opaque_up = std::make_unique<SourceManagerImpl>(*(rhs.m_opaque_up.get()));
95 }
96 
97 const lldb::SBSourceManager &SBSourceManager::
operator =(const lldb::SBSourceManager & rhs)98 operator=(const lldb::SBSourceManager &rhs) {
99   LLDB_RECORD_METHOD(const lldb::SBSourceManager &,
100                      SBSourceManager, operator=,(const lldb::SBSourceManager &),
101                      rhs);
102 
103   m_opaque_up = std::make_unique<SourceManagerImpl>(*(rhs.m_opaque_up.get()));
104   return LLDB_RECORD_RESULT(*this);
105 }
106 
107 SBSourceManager::~SBSourceManager() = default;
108 
DisplaySourceLinesWithLineNumbers(const SBFileSpec & file,uint32_t line,uint32_t context_before,uint32_t context_after,const char * current_line_cstr,SBStream & s)109 size_t SBSourceManager::DisplaySourceLinesWithLineNumbers(
110     const SBFileSpec &file, uint32_t line, uint32_t context_before,
111     uint32_t context_after, const char *current_line_cstr, SBStream &s) {
112   LLDB_RECORD_METHOD(size_t, SBSourceManager, DisplaySourceLinesWithLineNumbers,
113                      (const lldb::SBFileSpec &, uint32_t, uint32_t, uint32_t,
114                       const char *, lldb::SBStream &),
115                      file, line, context_before, context_after,
116                      current_line_cstr, s);
117 
118   const uint32_t column = 0;
119   return DisplaySourceLinesWithLineNumbersAndColumn(
120       file.ref(), line, column, context_before, context_after,
121       current_line_cstr, s);
122 }
123 
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)124 size_t SBSourceManager::DisplaySourceLinesWithLineNumbersAndColumn(
125     const SBFileSpec &file, uint32_t line, uint32_t column,
126     uint32_t context_before, uint32_t context_after,
127     const char *current_line_cstr, SBStream &s) {
128   LLDB_RECORD_METHOD(
129       size_t, SBSourceManager, DisplaySourceLinesWithLineNumbersAndColumn,
130       (const lldb::SBFileSpec &, uint32_t, uint32_t, uint32_t, uint32_t,
131        const char *, lldb::SBStream &),
132       file, line, column, context_before, context_after, current_line_cstr, s);
133 
134   if (m_opaque_up == nullptr)
135     return 0;
136 
137   return m_opaque_up->DisplaySourceLinesWithLineNumbers(
138       file.ref(), line, column, context_before, context_after,
139       current_line_cstr, s.get());
140 }
141 
142 namespace lldb_private {
143 namespace repro {
144 
145 template <>
RegisterMethods(Registry & R)146 void RegisterMethods<SBSourceManager>(Registry &R) {
147   LLDB_REGISTER_CONSTRUCTOR(SBSourceManager, (const lldb::SBDebugger &));
148   LLDB_REGISTER_CONSTRUCTOR(SBSourceManager, (const lldb::SBTarget &));
149   LLDB_REGISTER_CONSTRUCTOR(SBSourceManager, (const lldb::SBSourceManager &));
150   LLDB_REGISTER_METHOD(
151       const lldb::SBSourceManager &,
152       SBSourceManager, operator=,(const lldb::SBSourceManager &));
153   LLDB_REGISTER_METHOD(size_t, SBSourceManager,
154                        DisplaySourceLinesWithLineNumbers,
155                        (const lldb::SBFileSpec &, uint32_t, uint32_t,
156                         uint32_t, const char *, lldb::SBStream &));
157   LLDB_REGISTER_METHOD(size_t, SBSourceManager,
158                        DisplaySourceLinesWithLineNumbersAndColumn,
159                        (const lldb::SBFileSpec &, uint32_t, uint32_t,
160                         uint32_t, uint32_t, const char *, lldb::SBStream &));
161 }
162 
163 }
164 }
165