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//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//
// copyright : (C) 2014 Eran Ifrah
// file name : LLDBBacktrace.cpp
//
// -------------------------------------------------------------------------
// A
// _____ _ _ _ _
// / __ \ | | | | (_) |
// | / \/ ___ __| | ___| | _| |_ ___
// | | / _ \ / _ |/ _ \ | | | __/ _ )
// | \__/\ (_) | (_| | __/ |___| | || __/
// \____/\___/ \__,_|\___\_____/_|\__\___|
//
// F i l e
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
#include "LLDBBacktrace.h"
#include <wx/filename.h>
#if BUILD_CODELITE_LLDB
LLDBBacktrace::LLDBBacktrace(lldb::SBThread& thread, const LLDBSettings& settings)
{
m_callstack.clear();
m_selectedFrameId = 0;
if(thread.IsValid()) {
m_threadId = thread.GetIndexID();
m_selectedFrameId = thread.GetSelectedFrame().GetFrameID();
int nFrames(0);
// limit the number of frames to display
thread.GetNumFrames() > settings.GetMaxCallstackFrames() ? nFrames = settings.GetMaxCallstackFrames() :
nFrames = thread.GetNumFrames();
for(int j = 0; j < nFrames; ++j) {
lldb::SBFrame frame = thread.GetFrameAtIndex(j);
LLDBBacktrace::Entry entry;
if(frame.IsValid()) {
// do we have a file:line?
if(frame.GetLineEntry().IsValid()) {
lldb::SBFileSpec fileSepc = frame.GetLineEntry().GetFileSpec();
entry.filename = wxFileName(fileSepc.GetDirectory(), fileSepc.GetFilename()).GetFullPath();
entry.functionName = frame.GetFunctionName();
entry.line = frame.GetLineEntry().GetLine() - 1;
entry.id = j;
entry.address << wxString::Format("%p", (void*)frame.GetFP());
m_callstack.push_back(entry);
} else {
// FIXME: if we dont have a debug symbol, we should learn how to construct a proper entry
// for now, we add an empty entry
entry.functionName = "??";
entry.id = j;
m_callstack.push_back(entry);
}
}
}
}
}
#endif
LLDBBacktrace::~LLDBBacktrace() {}
wxString LLDBBacktrace::ToString() const
{
wxString str;
str << "Thread ID: " << m_threadId << "\n";
for(size_t i = 0; i < m_callstack.size(); ++i) {
const LLDBBacktrace::Entry& entry = m_callstack.at(i);
str << entry.address << ", " << entry.functionName << ", " << entry.filename << ", " << entry.line << "\n";
}
return str;
}
void LLDBBacktrace::FromJSON(const JSONItem& json)
{
m_callstack.clear();
m_threadId = json.namedObject("m_threadId").toInt(0);
m_selectedFrameId = json.namedObject("m_selectedFrameId").toInt(0);
JSONItem arr = json.namedObject("m_callstack");
for(int i = 0; i < arr.arraySize(); ++i) {
LLDBBacktrace::Entry entry;
entry.FromJSON(arr.arrayItem(i));
m_callstack.push_back(entry);
}
}
JSONItem LLDBBacktrace::ToJSON() const
{
JSONItem json = JSONItem::createObject();
json.addProperty("m_threadId", m_threadId);
json.addProperty("m_selectedFrameId", m_selectedFrameId);
JSONItem arr = JSONItem::createArray("m_callstack");
json.append(arr);
for(size_t i = 0; i < m_callstack.size(); ++i) {
arr.append(m_callstack.at(i).ToJSON());
}
return json;
}
// -------------------------------------------------------------------------
// -------------------------------------------------------------------------
// -------------------------------------------------------------------------
void LLDBBacktrace::Entry::FromJSON(const JSONItem& json)
{
id = json.namedObject("id").toInt(0);
line = json.namedObject("line").toInt(0);
filename = json.namedObject("filename").toString();
functionName = json.namedObject("functionName").toString();
address = json.namedObject("address").toString();
}
JSONItem LLDBBacktrace::Entry::ToJSON() const
{
JSONItem json = JSONItem::createObject();
json.addProperty("id", id);
json.addProperty("line", line);
json.addProperty("filename", filename);
json.addProperty("functionName", functionName);
json.addProperty("address", address);
return json;
}
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