lldb/source/API/SBDeclaration.cpp

   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(); }