llvm-project/lldb/source/API/SBEvent.cpp

243 lines
7.4 KiB
C++

//===-- SBEvent.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/SBEvent.h"
#include "SBReproducerPrivate.h"
#include "lldb/API/SBBroadcaster.h"
#include "lldb/API/SBStream.h"
#include "lldb/Breakpoint/Breakpoint.h"
#include "lldb/Core/StreamFile.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Target/Process.h"
#include "lldb/Utility/ConstString.h"
#include "lldb/Utility/Event.h"
#include "lldb/Utility/Stream.h"
using namespace lldb;
using namespace lldb_private;
SBEvent::SBEvent() : m_event_sp(), m_opaque_ptr(nullptr) {
LLDB_RECORD_CONSTRUCTOR_NO_ARGS(SBEvent);
}
SBEvent::SBEvent(uint32_t event_type, const char *cstr, uint32_t cstr_len)
: m_event_sp(new Event(event_type, new EventDataBytes(cstr, cstr_len))),
m_opaque_ptr(m_event_sp.get()) {
LLDB_RECORD_CONSTRUCTOR(SBEvent, (uint32_t, const char *, uint32_t),
event_type, cstr, cstr_len);
}
SBEvent::SBEvent(EventSP &event_sp)
: m_event_sp(event_sp), m_opaque_ptr(event_sp.get()) {
LLDB_RECORD_CONSTRUCTOR(SBEvent, (lldb::EventSP &), event_sp);
}
SBEvent::SBEvent(Event *event_ptr) : m_event_sp(), m_opaque_ptr(event_ptr) {
LLDB_RECORD_CONSTRUCTOR(SBEvent, (lldb_private::Event *), event_ptr);
}
SBEvent::SBEvent(const SBEvent &rhs)
: m_event_sp(rhs.m_event_sp), m_opaque_ptr(rhs.m_opaque_ptr) {
LLDB_RECORD_CONSTRUCTOR(SBEvent, (const lldb::SBEvent &), rhs);
}
const SBEvent &SBEvent::operator=(const SBEvent &rhs) {
LLDB_RECORD_METHOD(const lldb::SBEvent &,
SBEvent, operator=,(const lldb::SBEvent &), rhs);
if (this != &rhs) {
m_event_sp = rhs.m_event_sp;
m_opaque_ptr = rhs.m_opaque_ptr;
}
return LLDB_RECORD_RESULT(*this);
}
SBEvent::~SBEvent() = default;
const char *SBEvent::GetDataFlavor() {
LLDB_RECORD_METHOD_NO_ARGS(const char *, SBEvent, GetDataFlavor);
Event *lldb_event = get();
if (lldb_event) {
EventData *event_data = lldb_event->GetData();
if (event_data)
return lldb_event->GetData()->GetFlavor().AsCString();
}
return nullptr;
}
uint32_t SBEvent::GetType() const {
LLDB_RECORD_METHOD_CONST_NO_ARGS(uint32_t, SBEvent, GetType);
const Event *lldb_event = get();
uint32_t event_type = 0;
if (lldb_event)
event_type = lldb_event->GetType();
return event_type;
}
SBBroadcaster SBEvent::GetBroadcaster() const {
LLDB_RECORD_METHOD_CONST_NO_ARGS(lldb::SBBroadcaster, SBEvent,
GetBroadcaster);
SBBroadcaster broadcaster;
const Event *lldb_event = get();
if (lldb_event)
broadcaster.reset(lldb_event->GetBroadcaster(), false);
return LLDB_RECORD_RESULT(broadcaster);
}
const char *SBEvent::GetBroadcasterClass() const {
LLDB_RECORD_METHOD_CONST_NO_ARGS(const char *, SBEvent, GetBroadcasterClass);
const Event *lldb_event = get();
if (lldb_event)
return lldb_event->GetBroadcaster()->GetBroadcasterClass().AsCString();
else
return "unknown class";
}
bool SBEvent::BroadcasterMatchesPtr(const SBBroadcaster *broadcaster) {
LLDB_RECORD_METHOD(bool, SBEvent, BroadcasterMatchesPtr,
(const lldb::SBBroadcaster *), broadcaster);
if (broadcaster)
return BroadcasterMatchesRef(*broadcaster);
return false;
}
bool SBEvent::BroadcasterMatchesRef(const SBBroadcaster &broadcaster) {
LLDB_RECORD_METHOD(bool, SBEvent, BroadcasterMatchesRef,
(const lldb::SBBroadcaster &), broadcaster);
Event *lldb_event = get();
bool success = false;
if (lldb_event)
success = lldb_event->BroadcasterIs(broadcaster.get());
return success;
}
void SBEvent::Clear() {
LLDB_RECORD_METHOD_NO_ARGS(void, SBEvent, Clear);
Event *lldb_event = get();
if (lldb_event)
lldb_event->Clear();
}
EventSP &SBEvent::GetSP() const { return m_event_sp; }
Event *SBEvent::get() const {
// There is a dangerous accessor call GetSharedPtr which can be used, so if
// we have anything valid in m_event_sp, we must use that since if it gets
// used by a function that puts something in there, then it won't update
// m_opaque_ptr...
if (m_event_sp)
m_opaque_ptr = m_event_sp.get();
return m_opaque_ptr;
}
void SBEvent::reset(EventSP &event_sp) {
m_event_sp = event_sp;
m_opaque_ptr = m_event_sp.get();
}
void SBEvent::reset(Event *event_ptr) {
m_opaque_ptr = event_ptr;
m_event_sp.reset();
}
bool SBEvent::IsValid() const {
LLDB_RECORD_METHOD_CONST_NO_ARGS(bool, SBEvent, IsValid);
return this->operator bool();
}
SBEvent::operator bool() const {
LLDB_RECORD_METHOD_CONST_NO_ARGS(bool, SBEvent, operator bool);
// Do NOT use m_opaque_ptr directly!!! Must use the SBEvent::get() accessor.
// See comments in SBEvent::get()....
return SBEvent::get() != nullptr;
}
const char *SBEvent::GetCStringFromEvent(const SBEvent &event) {
LLDB_RECORD_STATIC_METHOD(const char *, SBEvent, GetCStringFromEvent,
(const lldb::SBEvent &), event);
return static_cast<const char *>(
EventDataBytes::GetBytesFromEvent(event.get()));
}
bool SBEvent::GetDescription(SBStream &description) {
LLDB_RECORD_METHOD(bool, SBEvent, GetDescription, (lldb::SBStream &),
description);
Stream &strm = description.ref();
if (get()) {
m_opaque_ptr->Dump(&strm);
} else
strm.PutCString("No value");
return true;
}
bool SBEvent::GetDescription(SBStream &description) const {
LLDB_RECORD_METHOD_CONST(bool, SBEvent, GetDescription, (lldb::SBStream &),
description);
Stream &strm = description.ref();
if (get()) {
m_opaque_ptr->Dump(&strm);
} else
strm.PutCString("No value");
return true;
}
namespace lldb_private {
namespace repro {
template <>
void RegisterMethods<SBEvent>(Registry &R) {
LLDB_REGISTER_CONSTRUCTOR(SBEvent, ());
LLDB_REGISTER_CONSTRUCTOR(SBEvent, (uint32_t, const char *, uint32_t));
LLDB_REGISTER_CONSTRUCTOR(SBEvent, (lldb::EventSP &));
LLDB_REGISTER_CONSTRUCTOR(SBEvent, (lldb_private::Event *));
LLDB_REGISTER_CONSTRUCTOR(SBEvent, (const lldb::SBEvent &));
LLDB_REGISTER_METHOD(const lldb::SBEvent &,
SBEvent, operator=,(const lldb::SBEvent &));
LLDB_REGISTER_METHOD(const char *, SBEvent, GetDataFlavor, ());
LLDB_REGISTER_METHOD_CONST(uint32_t, SBEvent, GetType, ());
LLDB_REGISTER_METHOD_CONST(lldb::SBBroadcaster, SBEvent, GetBroadcaster,
());
LLDB_REGISTER_METHOD_CONST(const char *, SBEvent, GetBroadcasterClass, ());
LLDB_REGISTER_METHOD(bool, SBEvent, BroadcasterMatchesPtr,
(const lldb::SBBroadcaster *));
LLDB_REGISTER_METHOD(bool, SBEvent, BroadcasterMatchesRef,
(const lldb::SBBroadcaster &));
LLDB_REGISTER_METHOD(void, SBEvent, Clear, ());
LLDB_REGISTER_METHOD_CONST(bool, SBEvent, IsValid, ());
LLDB_REGISTER_METHOD_CONST(bool, SBEvent, operator bool, ());
LLDB_REGISTER_STATIC_METHOD(const char *, SBEvent, GetCStringFromEvent,
(const lldb::SBEvent &));
LLDB_REGISTER_METHOD(bool, SBEvent, GetDescription, (lldb::SBStream &));
LLDB_REGISTER_METHOD_CONST(bool, SBEvent, GetDescription,
(lldb::SBStream &));
}
}
}