lldb/source/API/SBBroadcaster.cpp

   1 //===-- SBBroadcaster.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/Utility/Broadcaster.h"
  10 #include "lldb/Utility/Instrumentation.h"
  11
  12 #include "lldb/API/SBBroadcaster.h"
  13 #include "lldb/API/SBEvent.h"
  14 #include "lldb/API/SBListener.h"
  15
  16 using namespace lldb;
  17 using namespace lldb_private;
  18
  19 SBBroadcaster::SBBroadcaster() { LLDB_INSTRUMENT_VA(this); }
  20
  21 SBBroadcaster::SBBroadcaster(const char *name)
  22     : m_opaque_sp(new Broadcaster(nullptr, name)) {
  23   LLDB_INSTRUMENT_VA(this, name);
  24
  25   m_opaque_ptr = m_opaque_sp.get();
  26 }
  27
  28 SBBroadcaster::SBBroadcaster(lldb_private::Broadcaster *broadcaster, bool owns)
  29     : m_opaque_sp(owns ? broadcaster : nullptr), m_opaque_ptr(broadcaster) {}
  30
  31 SBBroadcaster::SBBroadcaster(const SBBroadcaster &rhs)
  32     : m_opaque_sp(rhs.m_opaque_sp), m_opaque_ptr(rhs.m_opaque_ptr) {
  33   LLDB_INSTRUMENT_VA(this, rhs);
  34 }
  35
  36 const SBBroadcaster &SBBroadcaster::operator=(const SBBroadcaster &rhs) {
  37   LLDB_INSTRUMENT_VA(this, rhs);
  38
  39   if (this != &rhs) {
  40     m_opaque_sp = rhs.m_opaque_sp;
  41     m_opaque_ptr = rhs.m_opaque_ptr;
  42   }
  43   return *this;
  44 }
  45
  46 SBBroadcaster::~SBBroadcaster() { reset(nullptr, false); }
  47
  48 void SBBroadcaster::BroadcastEventByType(uint32_t event_type, bool unique) {
  49   LLDB_INSTRUMENT_VA(this, event_type, unique);
  50
  51   if (m_opaque_ptr == nullptr)
  52     return;
  53
  54   if (unique)
  55     m_opaque_ptr->BroadcastEventIfUnique(event_type);
  56   else
  57     m_opaque_ptr->BroadcastEvent(event_type);
  58 }
  59
  60 void SBBroadcaster::BroadcastEvent(const SBEvent &event, bool unique) {
  61   LLDB_INSTRUMENT_VA(this, event, unique);
  62
  63   if (m_opaque_ptr == nullptr)
  64     return;
  65
  66   EventSP event_sp = event.GetSP();
  67   if (unique)
  68     m_opaque_ptr->BroadcastEventIfUnique(event_sp);
  69   else
  70     m_opaque_ptr->BroadcastEvent(event_sp);
  71 }
  72
  73 void SBBroadcaster::AddInitialEventsToListener(const SBListener &listener,
  74                                                uint32_t requested_events) {
  75   LLDB_INSTRUMENT_VA(this, listener, requested_events);
  76
  77   if (m_opaque_ptr)
  78     m_opaque_ptr->AddInitialEventsToListener(listener.m_opaque_sp,
  79                                              requested_events);
  80 }
  81
  82 uint32_t SBBroadcaster::AddListener(const SBListener &listener,
  83                                     uint32_t event_mask) {
  84   LLDB_INSTRUMENT_VA(this, listener, event_mask);
  85
  86   if (m_opaque_ptr)
  87     return m_opaque_ptr->AddListener(listener.m_opaque_sp, event_mask);
  88   return 0;
  89 }
  90
  91 const char *SBBroadcaster::GetName() const {
  92   LLDB_INSTRUMENT_VA(this);
  93
  94   if (m_opaque_ptr)
  95     return ConstString(m_opaque_ptr->GetBroadcasterName()).GetCString();
  96   return nullptr;
  97 }
  98
  99 bool SBBroadcaster::EventTypeHasListeners(uint32_t event_type) {
 100   LLDB_INSTRUMENT_VA(this, event_type);
 101
 102   if (m_opaque_ptr)
 103     return m_opaque_ptr->EventTypeHasListeners(event_type);
 104   return false;
 105 }
 106
 107 bool SBBroadcaster::RemoveListener(const SBListener &listener,
 108                                    uint32_t event_mask) {
 109   LLDB_INSTRUMENT_VA(this, listener, event_mask);
 110
 111   if (m_opaque_ptr)
 112     return m_opaque_ptr->RemoveListener(listener.m_opaque_sp, event_mask);
 113   return false;
 114 }
 115
 116 Broadcaster *SBBroadcaster::get() const { return m_opaque_ptr; }
 117
 118 void SBBroadcaster::reset(Broadcaster *broadcaster, bool owns) {
 119   if (owns)
 120     m_opaque_sp.reset(broadcaster);
 121   else
 122     m_opaque_sp.reset();
 123   m_opaque_ptr = broadcaster;
 124 }
 125
 126 bool SBBroadcaster::IsValid() const {
 127   LLDB_INSTRUMENT_VA(this);
 128   return this->operator bool();
 129 }
 130 SBBroadcaster::operator bool() const {
 131   LLDB_INSTRUMENT_VA(this);
 132
 133   return m_opaque_ptr != nullptr;
 134 }
 135
 136 void SBBroadcaster::Clear() {
 137   LLDB_INSTRUMENT_VA(this);
 138
 139   m_opaque_sp.reset();
 140   m_opaque_ptr = nullptr;
 141 }
 142
 143 bool SBBroadcaster::operator==(const SBBroadcaster &rhs) const {
 144   LLDB_INSTRUMENT_VA(this, rhs);
 145
 146   return m_opaque_ptr == rhs.m_opaque_ptr;
 147 }
 148
 149 bool SBBroadcaster::operator!=(const SBBroadcaster &rhs) const {
 150   LLDB_INSTRUMENT_VA(this, rhs);
 151
 152   return m_opaque_ptr != rhs.m_opaque_ptr;
 153 }
 154
 155 bool SBBroadcaster::operator<(const SBBroadcaster &rhs) const {
 156   LLDB_INSTRUMENT_VA(this, rhs);
 157
 158   return m_opaque_ptr < rhs.m_opaque_ptr;
 159 }