Author: evgeny777
Date: Mon Feb 8 04:04:51 2016
New Revision: 260082
URL: http://llvm.org/viewvc/llvm-project?rev=260082&view=rev
Log:
Show real error message in -data-evaluate-expression
Modified:
lldb/trunk/packages/Python/lldbsuite/test/tools/lldb-mi/variable/TestMiVar.py
lldb/trunk/tools/lldb-mi/MICmdCmdData.cpp
lldb/trunk/tools/lldb-mi/MICmdCmdData.h
Modified:
lldb/trunk/packages/Python/lldbsuite/test/tools/lldb-mi/variable/TestMiVar.py
URL:
http://llvm.org/viewvc/llvm-project/lldb/trunk/packages/Python/lldbsuite/test/tools/lldb-mi/variable/TestMiVar.py?rev=260082&r1=260081&r2=260082&view=diff
==============================================================================
---
lldb/trunk/packages/Python/lldbsuite/test/tools/lldb-mi/variable/TestMiVar.py
(original)
+++
lldb/trunk/packages/Python/lldbsuite/test/tools/lldb-mi/variable/TestMiVar.py
Mon Feb 8 04:04:51 2016
@@ -38,7 +38,7 @@ class MiVarTestCase(lldbmi_testcase.MiTe
self.runCmd("-var-create var1 * undef")
self.expect("\^error,msg=\"error: error: use of undeclared identifier
\'undef\'\\\\nerror: 1 errors parsing expression\\\\n\"")
self.runCmd("-data-evaluate-expression undef")
- self.expect("\^error,msg=\"Could not evaluate expression\"")
+ self.expect("\^error,msg=\"error: use of undeclared identifier
\'undef\'\\\\nerror: 1 errors parsing expression\\\\n\"")
# Print global "g_MyVar", modify, delete and create again
self.runCmd("-data-evaluate-expression g_MyVar")
Modified: lldb/trunk/tools/lldb-mi/MICmdCmdData.cpp
URL:
http://llvm.org/viewvc/llvm-project/lldb/trunk/tools/lldb-mi/MICmdCmdData.cpp?rev=260082&r1=260081&r2=260082&view=diff
==============================================================================
--- lldb/trunk/tools/lldb-mi/MICmdCmdData.cpp (original)
+++ lldb/trunk/tools/lldb-mi/MICmdCmdData.cpp Mon Feb 8 04:04:51 2016
@@ -117,7 +117,8 @@ CMICmdCmdDataEvaluateExpression::Execute
lldb::SBFrame frame = thread.GetSelectedFrame();
lldb::SBValue value = frame.EvaluateExpression(rExpression.c_str());
- if (!value.IsValid() || value.GetError().Fail())
+ m_Error = value.GetError();
+ if (!value.IsValid() || m_Error.Fail())
value = frame.FindVariable(rExpression.c_str());
const CMICmnLLDBUtilSBValue utilValue(value, true);
if (!utilValue.IsValid() || utilValue.IsValueUnknown())
@@ -177,8 +178,10 @@ CMICmdCmdDataEvaluateExpression::Acknowl
m_miResultRecord = miRecordResult;
return MIstatus::success;
}
-
- const CMICmnMIValueConst miValueConst("Could not evaluate expression");
+ CMIUtilString mi_error_msg = "Could not evaluate expression";
+ if (const char* err_msg = m_Error.GetCString())
+ mi_error_msg = err_msg;
+ const CMICmnMIValueConst miValueConst(mi_error_msg.Escape(true));
const CMICmnMIValueResult miValueResult("msg", miValueConst);
const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken,
CMICmnMIResultRecord::eResultClass_Error, miValueResult);
m_miResultRecord = miRecordResult;
Modified: lldb/trunk/tools/lldb-mi/MICmdCmdData.h
URL:
http://llvm.org/viewvc/llvm-project/lldb/trunk/tools/lldb-mi/MICmdCmdData.h?rev=260082&r1=260081&r2=260082&view=diff
==============================================================================
--- lldb/trunk/tools/lldb-mi/MICmdCmdData.h (original)
+++ lldb/trunk/tools/lldb-mi/MICmdCmdData.h Mon Feb 8 04:04:51 2016
@@ -32,6 +32,7 @@
// Third party headers:
#include "lldb/API/SBCommandReturnObject.h"
+#include "lldb/API/SBError.h"
// In-house headers:
#include "MICmdBase.h"
@@ -71,6 +72,7 @@ class CMICmdCmdDataEvaluateExpression :
private:
bool m_bExpressionValid; // True = yes is valid, false = not valid
bool m_bEvaluatedExpression; // True = yes is expression evaluated, false
= failed
+ lldb::SBError m_Error; // Error object, which is examined when
m_bEvaluatedExpression is false
CMIUtilString m_strValue;
CMICmnMIValueTuple m_miValueTuple;
bool m_bFoundInvalidChar; // True = yes found unexpected character in the
expression, false = all ok
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