1 //===-- SBListener.cpp ------------------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "lldb/API/SBListener.h"
11 #include "lldb/API/SBBroadcaster.h"
12 #include "lldb/API/SBDebugger.h"
13 #include "lldb/API/SBEvent.h"
14 #include "lldb/API/SBStream.h"
15 #include "lldb/Core/Broadcaster.h"
16 #include "lldb/Core/Debugger.h"
17 #include "lldb/Core/Listener.h"
18 #include "lldb/Utility/Log.h"
19 #include "lldb/Utility/StreamString.h"
22 using namespace lldb_private;
24 SBListener::SBListener() : m_opaque_sp(), m_unused_ptr(NULL) {}
26 SBListener::SBListener(const char *name)
27 : m_opaque_sp(Listener::MakeListener(name)), m_unused_ptr(nullptr) {
28 Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
31 log->Printf("SBListener::SBListener (name=\"%s\") => SBListener(%p)", name,
32 static_cast<void *>(m_opaque_sp.get()));
35 SBListener::SBListener(const SBListener &rhs)
36 : m_opaque_sp(rhs.m_opaque_sp), m_unused_ptr(nullptr) {}
38 const lldb::SBListener &SBListener::operator=(const lldb::SBListener &rhs) {
40 m_opaque_sp = rhs.m_opaque_sp;
41 m_unused_ptr = nullptr;
46 SBListener::SBListener(const lldb::ListenerSP &listener_sp)
47 : m_opaque_sp(listener_sp), m_unused_ptr(nullptr) {}
49 SBListener::~SBListener() {}
51 bool SBListener::IsValid() const { return m_opaque_sp != nullptr; }
53 void SBListener::AddEvent(const SBEvent &event) {
54 EventSP &event_sp = event.GetSP();
56 m_opaque_sp->AddEvent(event_sp);
59 void SBListener::Clear() {
64 uint32_t SBListener::StartListeningForEventClass(SBDebugger &debugger,
65 const char *broadcaster_class,
66 uint32_t event_mask) {
68 Debugger *lldb_debugger = debugger.get();
71 BroadcastEventSpec event_spec(ConstString(broadcaster_class), event_mask);
72 return m_opaque_sp->StartListeningForEventSpec(
73 lldb_debugger->GetBroadcasterManager(), event_spec);
78 bool SBListener::StopListeningForEventClass(SBDebugger &debugger,
79 const char *broadcaster_class,
80 uint32_t event_mask) {
82 Debugger *lldb_debugger = debugger.get();
85 BroadcastEventSpec event_spec(ConstString(broadcaster_class), event_mask);
86 return m_opaque_sp->StopListeningForEventSpec(
87 lldb_debugger->GetBroadcasterManager(), event_spec);
92 uint32_t SBListener::StartListeningForEvents(const SBBroadcaster &broadcaster,
93 uint32_t event_mask) {
94 uint32_t acquired_event_mask = 0;
95 if (m_opaque_sp && broadcaster.IsValid()) {
97 m_opaque_sp->StartListeningForEvents(broadcaster.get(), event_mask);
100 Log *log = lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API);
102 StreamString sstr_requested;
103 StreamString sstr_acquired;
105 Broadcaster *lldb_broadcaster = broadcaster.get();
106 if (lldb_broadcaster) {
107 const bool got_requested_names =
108 lldb_broadcaster->GetEventNames(sstr_requested, event_mask, false);
109 const bool got_acquired_names = lldb_broadcaster->GetEventNames(
110 sstr_acquired, acquired_event_mask, false);
111 log->Printf("SBListener(%p)::StartListeneingForEvents "
112 "(SBBroadcaster(%p): %s, event_mask=0x%8.8x%s%s%s) => "
114 static_cast<void *>(m_opaque_sp.get()),
115 static_cast<void *>(lldb_broadcaster),
116 lldb_broadcaster->GetBroadcasterName().GetCString(),
117 event_mask, got_requested_names ? " (" : "",
118 sstr_requested.GetData(), got_requested_names ? ")" : "",
119 acquired_event_mask, got_acquired_names ? " (" : "",
120 sstr_acquired.GetData(), got_acquired_names ? ")" : "");
122 log->Printf("SBListener(%p)::StartListeneingForEvents "
123 "(SBBroadcaster(%p), event_mask=0x%8.8x) => 0x%8.8x",
124 static_cast<void *>(m_opaque_sp.get()),
125 static_cast<void *>(lldb_broadcaster), event_mask,
126 acquired_event_mask);
130 return acquired_event_mask;
133 bool SBListener::StopListeningForEvents(const SBBroadcaster &broadcaster,
134 uint32_t event_mask) {
135 if (m_opaque_sp && broadcaster.IsValid()) {
136 return m_opaque_sp->StopListeningForEvents(broadcaster.get(), event_mask);
141 bool SBListener::WaitForEvent(uint32_t timeout_secs, SBEvent &event) {
142 Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
144 if (timeout_secs == UINT32_MAX) {
145 log->Printf("SBListener(%p)::WaitForEvent (timeout_secs=INFINITE, "
147 static_cast<void *>(m_opaque_sp.get()),
148 static_cast<void *>(event.get()));
151 "SBListener(%p)::WaitForEvent (timeout_secs=%d, SBEvent(%p))...",
152 static_cast<void *>(m_opaque_sp.get()), timeout_secs,
153 static_cast<void *>(event.get()));
156 bool success = false;
159 Timeout<std::micro> timeout(llvm::None);
160 if (timeout_secs != UINT32_MAX) {
161 assert(timeout_secs != 0); // Take this out after all calls with timeout
162 // set to zero have been removed....
163 timeout = std::chrono::seconds(timeout_secs);
166 if (m_opaque_sp->GetEvent(event_sp, timeout)) {
167 event.reset(event_sp);
173 if (timeout_secs == UINT32_MAX) {
174 log->Printf("SBListener(%p)::WaitForEvent (timeout_secs=INFINITE, "
175 "SBEvent(%p)) => %i",
176 static_cast<void *>(m_opaque_sp.get()),
177 static_cast<void *>(event.get()), success);
180 "SBListener(%p)::WaitForEvent (timeout_secs=%d, SBEvent(%p)) => %i",
181 static_cast<void *>(m_opaque_sp.get()), timeout_secs,
182 static_cast<void *>(event.get()), success);
190 bool SBListener::WaitForEventForBroadcaster(uint32_t num_seconds,
191 const SBBroadcaster &broadcaster,
193 if (m_opaque_sp && broadcaster.IsValid()) {
194 Timeout<std::micro> timeout(llvm::None);
195 if (num_seconds != UINT32_MAX)
196 timeout = std::chrono::seconds(num_seconds);
198 if (m_opaque_sp->GetEventForBroadcaster(broadcaster.get(), event_sp,
200 event.reset(event_sp);
208 bool SBListener::WaitForEventForBroadcasterWithType(
209 uint32_t num_seconds, const SBBroadcaster &broadcaster,
210 uint32_t event_type_mask, SBEvent &event) {
211 if (m_opaque_sp && broadcaster.IsValid()) {
212 Timeout<std::micro> timeout(llvm::None);
213 if (num_seconds != UINT32_MAX)
214 timeout = std::chrono::seconds(num_seconds);
216 if (m_opaque_sp->GetEventForBroadcasterWithType(
217 broadcaster.get(), event_type_mask, event_sp, timeout)) {
218 event.reset(event_sp);
226 bool SBListener::PeekAtNextEvent(SBEvent &event) {
228 event.reset(m_opaque_sp->PeekAtNextEvent());
229 return event.IsValid();
235 bool SBListener::PeekAtNextEventForBroadcaster(const SBBroadcaster &broadcaster,
237 if (m_opaque_sp && broadcaster.IsValid()) {
238 event.reset(m_opaque_sp->PeekAtNextEventForBroadcaster(broadcaster.get()));
239 return event.IsValid();
245 bool SBListener::PeekAtNextEventForBroadcasterWithType(
246 const SBBroadcaster &broadcaster, uint32_t event_type_mask,
248 if (m_opaque_sp && broadcaster.IsValid()) {
249 event.reset(m_opaque_sp->PeekAtNextEventForBroadcasterWithType(
250 broadcaster.get(), event_type_mask));
251 return event.IsValid();
257 bool SBListener::GetNextEvent(SBEvent &event) {
260 if (m_opaque_sp->GetEvent(event_sp, std::chrono::seconds(0))) {
261 event.reset(event_sp);
269 bool SBListener::GetNextEventForBroadcaster(const SBBroadcaster &broadcaster,
271 if (m_opaque_sp && broadcaster.IsValid()) {
273 if (m_opaque_sp->GetEventForBroadcaster(broadcaster.get(), event_sp,
274 std::chrono::seconds(0))) {
275 event.reset(event_sp);
283 bool SBListener::GetNextEventForBroadcasterWithType(
284 const SBBroadcaster &broadcaster, uint32_t event_type_mask,
286 if (m_opaque_sp && broadcaster.IsValid()) {
288 if (m_opaque_sp->GetEventForBroadcasterWithType(broadcaster.get(),
289 event_type_mask, event_sp,
290 std::chrono::seconds(0))) {
291 event.reset(event_sp);
299 bool SBListener::HandleBroadcastEvent(const SBEvent &event) {
301 return m_opaque_sp->HandleBroadcastEvent(event.GetSP());
305 lldb::ListenerSP SBListener::GetSP() { return m_opaque_sp; }
307 Listener *SBListener::operator->() const { return m_opaque_sp.get(); }
309 Listener *SBListener::get() const { return m_opaque_sp.get(); }
311 void SBListener::reset(ListenerSP listener_sp) {
312 m_opaque_sp = listener_sp;
313 m_unused_ptr = nullptr;