public int ParseText(string pszCode, enum_PARSEFLAGS dwFlags, uint nRadix, out IDebugExpression2 ppExpr,
out string pbstrError, out uint pichError)
{
pbstrError = "";
pichError = 0;
ppExpr = null;
string lookup = pszCode;
LocalVariable result = ThreadContext.GetVisibleVariableByName(lookup);
if (result != null)
{
ppExpr = new AD7Expression(new MonoProperty(ThreadContext, result));
return VSConstants.S_OK;
}
pbstrError = "Unsupported Expression";
pichError = (uint)pbstrError.Length;
return VSConstants.S_FALSE;
}
// Parses a text-based expression for evaluation.
// The engine sample only supports locals and parameters so the only task here is to check the names in those collections.
int IDebugExpressionContext2.ParseText(string pszCode,
enum_PARSEFLAGS dwFlags,
uint nRadix,
out IDebugExpression2 ppExpr,
out string pbstrError,
out uint pichError)
{
pbstrError = "";
pichError = 0;
ppExpr = null;
if(IsDebuggingNPL())
{
VariableInformation varInfo = VariableInformation.Create(m_engine.DebuggedProcess, pszCode);
if (varInfo!=null)
{
ppExpr = new AD7Expression(varInfo);
return Constants.S_OK;
}
else
{
return Constants.S_FALSE;
}
}
try
{
if (m_parameters != null)
{
foreach (VariableInformation currVariable in m_parameters)
{
if (String.CompareOrdinal(currVariable.m_name, pszCode) == 0)
{
ppExpr = new AD7Expression(currVariable);
return Constants.S_OK;
}
}
}
if (m_locals != null)
{
foreach (VariableInformation currVariable in m_locals)
{
if (String.CompareOrdinal(currVariable.m_name, pszCode) == 0)
{
ppExpr = new AD7Expression(currVariable);
return Constants.S_OK;
}
}
}
pbstrError = "Invalid Expression";
pichError = (uint)pbstrError.Length;
return Constants.S_FALSE;
}
catch (ComponentException e)
{
return e.HResult;
}
catch (Exception e)
{
return EngineUtils.UnexpectedException(e);
}
}
