contrib/llvm/tools/lldb/source/API/SBSourceManager.cpp

   1 //===-- SBSourceManager.cpp -------------------------------------*- 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 #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:
  26   SourceManagerImpl(const lldb::DebuggerSP &debugger_sp)
  27       : m_debugger_wp(debugger_sp), m_target_wp() {}
  28
  29   SourceManagerImpl(const lldb::TargetSP &target_sp)
  30       : m_debugger_wp(), m_target_wp(target_sp) {}
  31
  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
  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
  74 SBSourceManager::SBSourceManager(const SBDebugger &debugger) {
  75   LLDB_RECORD_CONSTRUCTOR(SBSourceManager, (const lldb::SBDebugger &),
  76                           debugger);
  77
  78   m_opaque_up.reset(new SourceManagerImpl(debugger.get_sp()));
  79 }
  80
  81 SBSourceManager::SBSourceManager(const SBTarget &target) {
  82   LLDB_RECORD_CONSTRUCTOR(SBSourceManager, (const lldb::SBTarget &), target);
  83
  84   m_opaque_up.reset(new SourceManagerImpl(target.GetSP()));
  85 }
  86
  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.reset(new SourceManagerImpl(*(rhs.m_opaque_up.get())));
  95 }
  96
  97 const lldb::SBSourceManager &SBSourceManager::
  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.reset(new SourceManagerImpl(*(rhs.m_opaque_up.get())));
 104   return LLDB_RECORD_RESULT(*this);
 105 }
 106
 107 SBSourceManager::~SBSourceManager() {}
 108
 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
 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 <>
 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 }