bool
DoExecute (Args& command,
CommandReturnObject &result)
{
ExecutionContext exe_ctx(m_interpreter.GetExecutionContext());
StackFrame *frame = exe_ctx.GetFramePtr();
if (frame)
{
frame->DumpUsingSettingsFormat (&result.GetOutputStream());
result.SetStatus (eReturnStatusSuccessFinishResult);
}
else
{
result.AppendError ("no current frame");
result.SetStatus (eReturnStatusFailed);
}
return result.Succeeded();
}
void StackFrameList::Dump(Stream *s) {
if (s == nullptr)
return;
std::lock_guard<std::recursive_mutex> guard(m_mutex);
const_iterator pos, begin = m_frames.begin(), end = m_frames.end();
for (pos = begin; pos != end; ++pos) {
StackFrame *frame = (*pos).get();
s->Printf("%p: ", static_cast<void *>(frame));
if (frame) {
frame->GetStackID().Dump(s);
frame->DumpUsingSettingsFormat(s);
} else
s->Printf("frame #%u", (uint32_t)std::distance(begin, pos));
s->EOL();
}
s->EOL();
}
bool
SBFrame::GetDescription (SBStream &description)
{
LogSP log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
Stream &strm = description.ref();
Mutex::Locker api_locker;
ExecutionContext exe_ctx (m_opaque_sp.get(), api_locker);
StackFrame *frame;
Target *target = exe_ctx.GetTargetPtr();
Process *process = exe_ctx.GetProcessPtr();
if (target && process)
{
Process::StopLocker stop_locker;
if (stop_locker.TryLock(&process->GetRunLock()))
{
frame = exe_ctx.GetFramePtr();
if (frame)
{
frame->DumpUsingSettingsFormat (&strm);
}
else
{
if (log)
log->Printf ("SBFrame::GetDescription () => error: could not reconstruct frame object for this SBFrame.");
}
}
else
{
if (log)
log->Printf ("SBFrame::GetDescription () => error: process is running");
}
}
else
strm.PutCString ("No value");
return true;
}
void
StackFrameList::Dump (Stream *s)
{
if (s == NULL)
return;
Mutex::Locker locker (m_mutex);
const_iterator pos, begin = m_frames.begin(), end = m_frames.end();
for (pos = begin; pos != end; ++pos)
{
StackFrame *frame = (*pos).get();
s->Printf("%p: ", frame);
if (frame)
{
frame->GetStackID().Dump (s);
frame->DumpUsingSettingsFormat (s);
}
else
s->Printf("frame #%u", (uint32_t)std::distance (begin, pos));
s->EOL();
}
s->EOL();
}
lldb::SBValue
SBFrame::EvaluateExpression (const char *expr, const SBExpressionOptions &options)
{
LogSP log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
LogSP expr_log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
ExecutionResults exe_results = eExecutionSetupError;
SBValue expr_result;
if (expr == NULL || expr[0] == '\0')
{
if (log)
log->Printf ("SBFrame::EvaluateExpression called with an empty expression");
return expr_result;
}
ValueObjectSP expr_value_sp;
Mutex::Locker api_locker;
ExecutionContext exe_ctx (m_opaque_sp.get(), api_locker);
if (log)
log->Printf ("SBFrame()::EvaluateExpression (expr=\"%s\")...", expr);
StackFrame *frame = NULL;
Target *target = exe_ctx.GetTargetPtr();
Process *process = exe_ctx.GetProcessPtr();
if (target && process)
{
Process::StopLocker stop_locker;
if (stop_locker.TryLock(&process->GetRunLock()))
{
frame = exe_ctx.GetFramePtr();
if (frame)
{
#ifdef LLDB_CONFIGURATION_DEBUG
StreamString frame_description;
frame->DumpUsingSettingsFormat (&frame_description);
Host::SetCrashDescriptionWithFormat ("SBFrame::EvaluateExpression (expr = \"%s\", fetch_dynamic_value = %u) %s",
expr, options.GetFetchDynamicValue(), frame_description.GetString().c_str());
#endif
exe_results = target->EvaluateExpression (expr,
frame,
expr_value_sp,
options.ref());
expr_result.SetSP(expr_value_sp, options.GetFetchDynamicValue());
#ifdef LLDB_CONFIGURATION_DEBUG
Host::SetCrashDescription (NULL);
#endif
}
else
{
if (log)
log->Printf ("SBFrame::EvaluateExpression () => error: could not reconstruct frame object for this SBFrame.");
}
}
else
{
if (log)
log->Printf ("SBFrame::EvaluateExpression () => error: process is running");
}
}
#ifndef LLDB_DISABLE_PYTHON
if (expr_log)
expr_log->Printf("** [SBFrame::EvaluateExpression] Expression result is %s, summary %s **",
expr_result.GetValue(),
expr_result.GetSummary());
if (log)
log->Printf ("SBFrame(%p)::EvaluateExpression (expr=\"%s\") => SBValue(%p) (execution result=%d)",
frame,
expr,
expr_value_sp.get(),
exe_results);
#endif
return expr_result;
}
