freebsd-dev/contrib/llvm/tools/lldb/source/API/SBStructuredData.cpp
2017-01-02 21:59:52 +00:00

119 lines
3.2 KiB
C++

//===-- SBStructuredData.cpp ------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/API/SBStructuredData.h"
#include "lldb/API/SBStream.h"
#include "lldb/Core/Error.h"
#include "lldb/Core/Event.h"
#include "lldb/Core/Stream.h"
#include "lldb/Core/StructuredData.h"
#include "lldb/Target/StructuredDataPlugin.h"
using namespace lldb;
using namespace lldb_private;
#pragma mark--
#pragma mark StructuredDataImpl
class StructuredDataImpl {
public:
StructuredDataImpl() : m_plugin_wp(), m_data_sp() {}
StructuredDataImpl(const StructuredDataImpl &rhs) = default;
StructuredDataImpl(const EventSP &event_sp)
: m_plugin_wp(
EventDataStructuredData::GetPluginFromEvent(event_sp.get())),
m_data_sp(EventDataStructuredData::GetObjectFromEvent(event_sp.get())) {
}
~StructuredDataImpl() = default;
StructuredDataImpl &operator=(const StructuredDataImpl &rhs) = default;
bool IsValid() const { return m_data_sp.get() != nullptr; }
void Clear() {
m_plugin_wp.reset();
m_data_sp.reset();
}
SBError GetAsJSON(lldb_private::Stream &stream) const {
SBError sb_error;
if (!m_data_sp) {
sb_error.SetErrorString("No structured data.");
return sb_error;
}
m_data_sp->Dump(stream);
return sb_error;
}
Error GetDescription(lldb_private::Stream &stream) const {
Error error;
if (!m_data_sp) {
error.SetErrorString("Cannot pretty print structured data: "
"no data to print.");
return error;
}
// Grab the plugin.
auto plugin_sp = StructuredDataPluginSP(m_plugin_wp);
if (!plugin_sp) {
error.SetErrorString("Cannot pretty print structured data: "
"plugin doesn't exist.");
return error;
}
// Get the data's description.
return plugin_sp->GetDescription(m_data_sp, stream);
}
private:
StructuredDataPluginWP m_plugin_wp;
StructuredData::ObjectSP m_data_sp;
};
#pragma mark--
#pragma mark SBStructuredData
SBStructuredData::SBStructuredData() : m_impl_up(new StructuredDataImpl()) {}
SBStructuredData::SBStructuredData(const lldb::SBStructuredData &rhs)
: m_impl_up(new StructuredDataImpl(*rhs.m_impl_up.get())) {}
SBStructuredData::SBStructuredData(const lldb::EventSP &event_sp)
: m_impl_up(new StructuredDataImpl(event_sp)) {}
SBStructuredData::~SBStructuredData() {}
SBStructuredData &SBStructuredData::
operator=(const lldb::SBStructuredData &rhs) {
*m_impl_up = *rhs.m_impl_up;
return *this;
}
bool SBStructuredData::IsValid() const { return m_impl_up->IsValid(); }
void SBStructuredData::Clear() { m_impl_up->Clear(); }
SBError SBStructuredData::GetAsJSON(lldb::SBStream &stream) const {
return m_impl_up->GetAsJSON(stream.ref());
}
lldb::SBError SBStructuredData::GetDescription(lldb::SBStream &stream) const {
Error error = m_impl_up->GetDescription(stream.ref());
SBError sb_error;
sb_error.SetError(error);
return sb_error;
}