lldb::SBValue
SBValue::CreateValueFromExpression (const char *name, const char* expression)
{
SBExpressionOptions options;
options.ref().SetKeepInMemory(true);
return CreateValueFromExpression (name, expression, options);
}
SBValue
SBFrame::EvaluateExpression (const char *expr, lldb::DynamicValueType fetch_dynamic_value, bool unwind_on_error)
{
SBExpressionOptions options;
options.SetFetchDynamicValue (fetch_dynamic_value);
options.SetUnwindOnError (unwind_on_error);
return EvaluateExpression (expr, options);
}
SBValue
SBFrame::EvaluateExpression (const char *expr)
{
SBValue result;
ExecutionContext exe_ctx(m_opaque_sp.get());
StackFrame *frame = exe_ctx.GetFramePtr();
Target *target = exe_ctx.GetTargetPtr();
if (frame && target)
{
SBExpressionOptions options;
lldb::DynamicValueType fetch_dynamic_value = frame->CalculateTarget()->GetPreferDynamicValue();
options.SetFetchDynamicValue (fetch_dynamic_value);
options.SetUnwindOnError (true);
return EvaluateExpression (expr, options);
}
return result;
}
lldb::SBValue
SBValue::CreateValueFromExpression (const char *name, const char *expression, SBExpressionOptions &options)
{
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
lldb::SBValue sb_value;
ValueLocker locker;
lldb::ValueObjectSP value_sp(GetSP(locker));
lldb::ValueObjectSP new_value_sp;
if (value_sp)
{
ExecutionContext exe_ctx (value_sp->GetExecutionContextRef());
Target* target = exe_ctx.GetTargetPtr();
if (target)
{
options.ref().SetKeepInMemory(true);
target->EvaluateExpression (expression,
exe_ctx.GetFramePtr(),
new_value_sp,
options.ref());
if (new_value_sp)
{
new_value_sp->SetName(ConstString(name));
sb_value.SetSP(new_value_sp);
}
}
}
if (log)
{
if (new_value_sp)
log->Printf ("SBValue(%p)::CreateValueFromExpression(name=\"%s\", expression=\"%s\") => SBValue (%p)",
value_sp.get(),
name,
expression,
new_value_sp.get());
else
log->Printf ("SBValue(%p)::CreateValueFromExpression(name=\"%s\", expression=\"%s\") => NULL",
value_sp.get(),
name,
expression);
}
return sb_value;
}
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;
}
SBExpressionOptions::SBExpressionOptions(const SBExpressionOptions &rhs) {
m_opaque_ap.reset(new EvaluateExpressionOptions());
*(m_opaque_ap.get()) = rhs.ref();
}