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 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 } 160