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//===-- SBListener.cpp ----------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "lldb/API/SBListener.h"
#include "SBReproducerPrivate.h"
#include "lldb/API/SBBroadcaster.h"
#include "lldb/API/SBDebugger.h"
#include "lldb/API/SBEvent.h"
#include "lldb/API/SBStream.h"
#include "lldb/Core/Debugger.h"
#include "lldb/Utility/Broadcaster.h"
#include "lldb/Utility/Listener.h"
#include "lldb/Utility/StreamString.h"
using namespace lldb;
using namespace lldb_private;
SBListener::SBListener() : m_opaque_sp(), m_unused_ptr(nullptr) {
LLDB_RECORD_CONSTRUCTOR_NO_ARGS(SBListener);
}
SBListener::SBListener(const char *name)
: m_opaque_sp(Listener::MakeListener(name)), m_unused_ptr(nullptr) {
LLDB_RECORD_CONSTRUCTOR(SBListener, (const char *), name);
}
SBListener::SBListener(const SBListener &rhs)
: m_opaque_sp(rhs.m_opaque_sp), m_unused_ptr(nullptr) {
LLDB_RECORD_CONSTRUCTOR(SBListener, (const lldb::SBListener &), rhs);
}
const lldb::SBListener &SBListener::operator=(const lldb::SBListener &rhs) {
LLDB_RECORD_METHOD(const lldb::SBListener &,
SBListener, operator=,(const lldb::SBListener &), rhs);
if (this != &rhs) {
m_opaque_sp = rhs.m_opaque_sp;
m_unused_ptr = nullptr;
}
return LLDB_RECORD_RESULT(*this);
}
SBListener::SBListener(const lldb::ListenerSP &listener_sp)
: m_opaque_sp(listener_sp), m_unused_ptr(nullptr) {}
SBListener::~SBListener() = default;
bool SBListener::IsValid() const {
LLDB_RECORD_METHOD_CONST_NO_ARGS(bool, SBListener, IsValid);
return this->operator bool();
}
SBListener::operator bool() const {
LLDB_RECORD_METHOD_CONST_NO_ARGS(bool, SBListener, operator bool);
return m_opaque_sp != nullptr;
}
void SBListener::AddEvent(const SBEvent &event) {
LLDB_RECORD_METHOD(void, SBListener, AddEvent, (const lldb::SBEvent &),
event);
EventSP &event_sp = event.GetSP();
if (event_sp)
m_opaque_sp->AddEvent(event_sp);
}
void SBListener::Clear() {
LLDB_RECORD_METHOD_NO_ARGS(void, SBListener, Clear);
if (m_opaque_sp)
m_opaque_sp->Clear();
}
uint32_t SBListener::StartListeningForEventClass(SBDebugger &debugger,
const char *broadcaster_class,
uint32_t event_mask) {
LLDB_RECORD_METHOD(uint32_t, SBListener, StartListeningForEventClass,
(lldb::SBDebugger &, const char *, uint32_t), debugger,
broadcaster_class, event_mask);
if (m_opaque_sp) {
Debugger *lldb_debugger = debugger.get();
if (!lldb_debugger)
return 0;
BroadcastEventSpec event_spec(ConstString(broadcaster_class), event_mask);
return m_opaque_sp->StartListeningForEventSpec(
lldb_debugger->GetBroadcasterManager(), event_spec);
} else
return 0;
}
bool SBListener::StopListeningForEventClass(SBDebugger &debugger,
const char *broadcaster_class,
uint32_t event_mask) {
LLDB_RECORD_METHOD(bool, SBListener, StopListeningForEventClass,
(lldb::SBDebugger &, const char *, uint32_t), debugger,
broadcaster_class, event_mask);
if (m_opaque_sp) {
Debugger *lldb_debugger = debugger.get();
if (!lldb_debugger)
return false;
BroadcastEventSpec event_spec(ConstString(broadcaster_class), event_mask);
return m_opaque_sp->StopListeningForEventSpec(
lldb_debugger->GetBroadcasterManager(), event_spec);
} else
return false;
}
uint32_t SBListener::StartListeningForEvents(const SBBroadcaster &broadcaster,
uint32_t event_mask) {
LLDB_RECORD_METHOD(uint32_t, SBListener, StartListeningForEvents,
(const lldb::SBBroadcaster &, uint32_t), broadcaster,
event_mask);
uint32_t acquired_event_mask = 0;
if (m_opaque_sp && broadcaster.IsValid()) {
acquired_event_mask =
m_opaque_sp->StartListeningForEvents(broadcaster.get(), event_mask);
}
return acquired_event_mask;
}
bool SBListener::StopListeningForEvents(const SBBroadcaster &broadcaster,
uint32_t event_mask) {
LLDB_RECORD_METHOD(bool, SBListener, StopListeningForEvents,
(const lldb::SBBroadcaster &, uint32_t), broadcaster,
event_mask);
if (m_opaque_sp && broadcaster.IsValid()) {
return m_opaque_sp->StopListeningForEvents(broadcaster.get(), event_mask);
}
return false;
}
bool SBListener::WaitForEvent(uint32_t timeout_secs, SBEvent &event) {
LLDB_RECORD_METHOD(bool, SBListener, WaitForEvent,
(uint32_t, lldb::SBEvent &), timeout_secs, event);
bool success = false;
if (m_opaque_sp) {
Timeout<std::micro> timeout(llvm::None);
if (timeout_secs != UINT32_MAX) {
assert(timeout_secs != 0); // Take this out after all calls with timeout
// set to zero have been removed....
timeout = std::chrono::seconds(timeout_secs);
}
EventSP event_sp;
if (m_opaque_sp->GetEvent(event_sp, timeout)) {
event.reset(event_sp);
success = true;
}
}
if (!success)
event.reset(nullptr);
return success;
}
bool SBListener::WaitForEventForBroadcaster(uint32_t num_seconds,
const SBBroadcaster &broadcaster,
SBEvent &event) {
LLDB_RECORD_METHOD(bool, SBListener, WaitForEventForBroadcaster,
(uint32_t, const lldb::SBBroadcaster &, lldb::SBEvent &),
num_seconds, broadcaster, event);
if (m_opaque_sp && broadcaster.IsValid()) {
Timeout<std::micro> timeout(llvm::None);
if (num_seconds != UINT32_MAX)
timeout = std::chrono::seconds(num_seconds);
EventSP event_sp;
if (m_opaque_sp->GetEventForBroadcaster(broadcaster.get(), event_sp,
timeout)) {
event.reset(event_sp);
return true;
}
}
event.reset(nullptr);
return false;
}
bool SBListener::WaitForEventForBroadcasterWithType(
uint32_t num_seconds, const SBBroadcaster &broadcaster,
uint32_t event_type_mask, SBEvent &event) {
LLDB_RECORD_METHOD(
bool, SBListener, WaitForEventForBroadcasterWithType,
(uint32_t, const lldb::SBBroadcaster &, uint32_t, lldb::SBEvent &),
num_seconds, broadcaster, event_type_mask, event);
if (m_opaque_sp && broadcaster.IsValid()) {
Timeout<std::micro> timeout(llvm::None);
if (num_seconds != UINT32_MAX)
timeout = std::chrono::seconds(num_seconds);
EventSP event_sp;
if (m_opaque_sp->GetEventForBroadcasterWithType(
broadcaster.get(), event_type_mask, event_sp, timeout)) {
event.reset(event_sp);
return true;
}
}
event.reset(nullptr);
return false;
}
bool SBListener::PeekAtNextEvent(SBEvent &event) {
LLDB_RECORD_METHOD(bool, SBListener, PeekAtNextEvent, (lldb::SBEvent &),
event);
if (m_opaque_sp) {
event.reset(m_opaque_sp->PeekAtNextEvent());
return event.IsValid();
}
event.reset(nullptr);
return false;
}
bool SBListener::PeekAtNextEventForBroadcaster(const SBBroadcaster &broadcaster,
SBEvent &event) {
LLDB_RECORD_METHOD(bool, SBListener, PeekAtNextEventForBroadcaster,
(const lldb::SBBroadcaster &, lldb::SBEvent &),
broadcaster, event);
if (m_opaque_sp && broadcaster.IsValid()) {
event.reset(m_opaque_sp->PeekAtNextEventForBroadcaster(broadcaster.get()));
return event.IsValid();
}
event.reset(nullptr);
return false;
}
bool SBListener::PeekAtNextEventForBroadcasterWithType(
const SBBroadcaster &broadcaster, uint32_t event_type_mask,
SBEvent &event) {
LLDB_RECORD_METHOD(bool, SBListener, PeekAtNextEventForBroadcasterWithType,
(const lldb::SBBroadcaster &, uint32_t, lldb::SBEvent &),
broadcaster, event_type_mask, event);
if (m_opaque_sp && broadcaster.IsValid()) {
event.reset(m_opaque_sp->PeekAtNextEventForBroadcasterWithType(
broadcaster.get(), event_type_mask));
return event.IsValid();
}
event.reset(nullptr);
return false;
}
bool SBListener::GetNextEvent(SBEvent &event) {
LLDB_RECORD_METHOD(bool, SBListener, GetNextEvent, (lldb::SBEvent &), event);
if (m_opaque_sp) {
EventSP event_sp;
if (m_opaque_sp->GetEvent(event_sp, std::chrono::seconds(0))) {
event.reset(event_sp);
return true;
}
}
event.reset(nullptr);
return false;
}
bool SBListener::GetNextEventForBroadcaster(const SBBroadcaster &broadcaster,
SBEvent &event) {
LLDB_RECORD_METHOD(bool, SBListener, GetNextEventForBroadcaster,
(const lldb::SBBroadcaster &, lldb::SBEvent &),
broadcaster, event);
if (m_opaque_sp && broadcaster.IsValid()) {
EventSP event_sp;
if (m_opaque_sp->GetEventForBroadcaster(broadcaster.get(), event_sp,
std::chrono::seconds(0))) {
event.reset(event_sp);
return true;
}
}
event.reset(nullptr);
return false;
}
bool SBListener::GetNextEventForBroadcasterWithType(
const SBBroadcaster &broadcaster, uint32_t event_type_mask,
SBEvent &event) {
LLDB_RECORD_METHOD(bool, SBListener, GetNextEventForBroadcasterWithType,
(const lldb::SBBroadcaster &, uint32_t, lldb::SBEvent &),
broadcaster, event_type_mask, event);
if (m_opaque_sp && broadcaster.IsValid()) {
EventSP event_sp;
if (m_opaque_sp->GetEventForBroadcasterWithType(broadcaster.get(),
event_type_mask, event_sp,
std::chrono::seconds(0))) {
event.reset(event_sp);
return true;
}
}
event.reset(nullptr);
return false;
}
bool SBListener::HandleBroadcastEvent(const SBEvent &event) {
LLDB_RECORD_METHOD(bool, SBListener, HandleBroadcastEvent,
(const lldb::SBEvent &), event);
if (m_opaque_sp)
return m_opaque_sp->HandleBroadcastEvent(event.GetSP());
return false;
}
lldb::ListenerSP SBListener::GetSP() { return m_opaque_sp; }
Listener *SBListener::operator->() const { return m_opaque_sp.get(); }
Listener *SBListener::get() const { return m_opaque_sp.get(); }
void SBListener::reset(ListenerSP listener_sp) {
m_opaque_sp = listener_sp;
m_unused_ptr = nullptr;
}
namespace lldb_private {
namespace repro {
template <>
void RegisterMethods<SBListener>(Registry &R) {
LLDB_REGISTER_CONSTRUCTOR(SBListener, ());
LLDB_REGISTER_CONSTRUCTOR(SBListener, (const char *));
LLDB_REGISTER_CONSTRUCTOR(SBListener, (const lldb::SBListener &));
LLDB_REGISTER_METHOD(const lldb::SBListener &,
SBListener, operator=,(const lldb::SBListener &));
LLDB_REGISTER_METHOD_CONST(bool, SBListener, IsValid, ());
LLDB_REGISTER_METHOD_CONST(bool, SBListener, operator bool, ());
LLDB_REGISTER_METHOD(void, SBListener, AddEvent, (const lldb::SBEvent &));
LLDB_REGISTER_METHOD(void, SBListener, Clear, ());
LLDB_REGISTER_METHOD(uint32_t, SBListener, StartListeningForEventClass,
(lldb::SBDebugger &, const char *, uint32_t));
LLDB_REGISTER_METHOD(bool, SBListener, StopListeningForEventClass,
(lldb::SBDebugger &, const char *, uint32_t));
LLDB_REGISTER_METHOD(uint32_t, SBListener, StartListeningForEvents,
(const lldb::SBBroadcaster &, uint32_t));
LLDB_REGISTER_METHOD(bool, SBListener, StopListeningForEvents,
(const lldb::SBBroadcaster &, uint32_t));
LLDB_REGISTER_METHOD(bool, SBListener, WaitForEvent,
(uint32_t, lldb::SBEvent &));
LLDB_REGISTER_METHOD(
bool, SBListener, WaitForEventForBroadcaster,
(uint32_t, const lldb::SBBroadcaster &, lldb::SBEvent &));
LLDB_REGISTER_METHOD(
bool, SBListener, WaitForEventForBroadcasterWithType,
(uint32_t, const lldb::SBBroadcaster &, uint32_t, lldb::SBEvent &));
LLDB_REGISTER_METHOD(bool, SBListener, PeekAtNextEvent, (lldb::SBEvent &));
LLDB_REGISTER_METHOD(bool, SBListener, PeekAtNextEventForBroadcaster,
(const lldb::SBBroadcaster &, lldb::SBEvent &));
LLDB_REGISTER_METHOD(
bool, SBListener, PeekAtNextEventForBroadcasterWithType,
(const lldb::SBBroadcaster &, uint32_t, lldb::SBEvent &));
LLDB_REGISTER_METHOD(bool, SBListener, GetNextEvent, (lldb::SBEvent &));
LLDB_REGISTER_METHOD(bool, SBListener, GetNextEventForBroadcaster,
(const lldb::SBBroadcaster &, lldb::SBEvent &));
LLDB_REGISTER_METHOD(
bool, SBListener, GetNextEventForBroadcasterWithType,
(const lldb::SBBroadcaster &, uint32_t, lldb::SBEvent &));
LLDB_REGISTER_METHOD(bool, SBListener, HandleBroadcastEvent,
(const lldb::SBEvent &));
}
}
}
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