diff options
Diffstat (limited to 'contrib/llvm-project/lldb/source/API/SBEvent.cpp')
-rw-r--r-- | contrib/llvm-project/lldb/source/API/SBEvent.cpp | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/contrib/llvm-project/lldb/source/API/SBEvent.cpp b/contrib/llvm-project/lldb/source/API/SBEvent.cpp new file mode 100644 index 000000000000..aa9c0ff097d4 --- /dev/null +++ b/contrib/llvm-project/lldb/source/API/SBEvent.cpp @@ -0,0 +1,199 @@ +//===-- 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 "lldb/API/SBBroadcaster.h" +#include "lldb/API/SBStream.h" +#include "lldb/Utility/Instrumentation.h" + +#include "lldb/Breakpoint/Breakpoint.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() { LLDB_INSTRUMENT_VA(this); } + +SBEvent::SBEvent(uint32_t event_type, const char *cstr, uint32_t cstr_len) + : m_event_sp(new Event( + event_type, new EventDataBytes(llvm::StringRef(cstr, cstr_len)))), + m_opaque_ptr(m_event_sp.get()) { + LLDB_INSTRUMENT_VA(this, event_type, cstr, cstr_len); +} + +SBEvent::SBEvent(EventSP &event_sp) + : m_event_sp(event_sp), m_opaque_ptr(event_sp.get()) { + LLDB_INSTRUMENT_VA(this, event_sp); +} + +SBEvent::SBEvent(Event *event_ptr) : m_opaque_ptr(event_ptr) { + LLDB_INSTRUMENT_VA(this, event_ptr); +} + +SBEvent::SBEvent(const SBEvent &rhs) + : m_event_sp(rhs.m_event_sp), m_opaque_ptr(rhs.m_opaque_ptr) { + LLDB_INSTRUMENT_VA(this, rhs); +} + +const SBEvent &SBEvent::operator=(const SBEvent &rhs) { + LLDB_INSTRUMENT_VA(this, rhs); + + if (this != &rhs) { + m_event_sp = rhs.m_event_sp; + m_opaque_ptr = rhs.m_opaque_ptr; + } + return *this; +} + +SBEvent::~SBEvent() = default; + +const char *SBEvent::GetDataFlavor() { + LLDB_INSTRUMENT_VA(this); + + Event *lldb_event = get(); + if (lldb_event) { + EventData *event_data = lldb_event->GetData(); + if (event_data) + return ConstString(lldb_event->GetData()->GetFlavor()).GetCString(); + } + return nullptr; +} + +uint32_t SBEvent::GetType() const { + LLDB_INSTRUMENT_VA(this); + + 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_INSTRUMENT_VA(this); + + SBBroadcaster broadcaster; + const Event *lldb_event = get(); + if (lldb_event) + broadcaster.reset(lldb_event->GetBroadcaster(), false); + return broadcaster; +} + +const char *SBEvent::GetBroadcasterClass() const { + LLDB_INSTRUMENT_VA(this); + + const Event *lldb_event = get(); + if (lldb_event) + return ConstString(lldb_event->GetBroadcaster()->GetBroadcasterClass()) + .AsCString(); + else + return "unknown class"; +} + +bool SBEvent::BroadcasterMatchesPtr(const SBBroadcaster *broadcaster) { + LLDB_INSTRUMENT_VA(this, broadcaster); + + if (broadcaster) + return BroadcasterMatchesRef(*broadcaster); + return false; +} + +bool SBEvent::BroadcasterMatchesRef(const SBBroadcaster &broadcaster) { + LLDB_INSTRUMENT_VA(this, broadcaster); + + Event *lldb_event = get(); + bool success = false; + if (lldb_event) + success = lldb_event->BroadcasterIs(broadcaster.get()); + + + return success; +} + +void SBEvent::Clear() { + LLDB_INSTRUMENT_VA(this); + + 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_INSTRUMENT_VA(this); + return this->operator bool(); +} +SBEvent::operator bool() const { + LLDB_INSTRUMENT_VA(this); + + // 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_INSTRUMENT_VA(event); + + return ConstString(static_cast<const char *>( + EventDataBytes::GetBytesFromEvent(event.get()))) + .GetCString(); +} + +bool SBEvent::GetDescription(SBStream &description) { + LLDB_INSTRUMENT_VA(this, 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_INSTRUMENT_VA(this, description); + + Stream &strm = description.ref(); + + if (get()) { + m_opaque_ptr->Dump(&strm); + } else + strm.PutCString("No value"); + + return true; +} |