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
16using namespace lldb;
17using namespace lldb_private;
18
19SBBroadcaster::SBBroadcaster() { LLDB_INSTRUMENT_VA(this); }
20
21SBBroadcaster::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
28SBBroadcaster::SBBroadcaster(lldb_private::Broadcaster *broadcaster, bool owns)
29    : m_opaque_sp(owns ? broadcaster : nullptr), m_opaque_ptr(broadcaster) {}
30
31SBBroadcaster::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
36const 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
46SBBroadcaster::~SBBroadcaster() { reset(nullptr, false); }
47
48void 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
60void 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
73void 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
82uint32_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
91const 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
99bool 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
107bool 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
116Broadcaster *SBBroadcaster::get() const { return m_opaque_ptr; }
117
118void 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
126bool SBBroadcaster::IsValid() const {
127  LLDB_INSTRUMENT_VA(this);
128  return this->operator bool();
129}
130SBBroadcaster::operator bool() const {
131  LLDB_INSTRUMENT_VA(this);
132
133  return m_opaque_ptr != nullptr;
134}
135
136void SBBroadcaster::Clear() {
137  LLDB_INSTRUMENT_VA(this);
138
139  m_opaque_sp.reset();
140  m_opaque_ptr = nullptr;
141}
142
143bool SBBroadcaster::operator==(const SBBroadcaster &rhs) const {
144  LLDB_INSTRUMENT_VA(this, rhs);
145
146  return m_opaque_ptr == rhs.m_opaque_ptr;
147}
148
149bool SBBroadcaster::operator!=(const SBBroadcaster &rhs) const {
150  LLDB_INSTRUMENT_VA(this, rhs);
151
152  return m_opaque_ptr != rhs.m_opaque_ptr;
153}
154
155bool SBBroadcaster::operator<(const SBBroadcaster &rhs) const {
156  LLDB_INSTRUMENT_VA(this, rhs);
157
158  return m_opaque_ptr < rhs.m_opaque_ptr;
159}
160