internal static void CheckExpressionResult(string exp, string error, object result, string templateName, string lineContent = "", string errorPrefix = "")
{
var errorMsg = string.Empty;
var childErrorMsg = string.Empty;
if (error != null)
{
childErrorMsg = ConcatErrorMsg(childErrorMsg, error);
}
else if (result == null)
{
childErrorMsg = ConcatErrorMsg(childErrorMsg, TemplateErrors.NullExpression(exp));
}
if (!string.IsNullOrWhiteSpace(lineContent))
{
errorMsg = ConcatErrorMsg(errorMsg, TemplateErrors.ErrorExpression(lineContent, templateName, errorPrefix));
}
throw new Exception(ConcatErrorMsg(childErrorMsg, errorMsg));
}
internal static void CheckExpressionResult(string exp, string error, object result, string templateName, ParserRuleContext context = null, string errorPrefix = "")
{
var errorMsg = string.Empty;
var childErrorMsg = string.Empty;
if (error != null)
{
childErrorMsg = ConcatErrorMsg(childErrorMsg, error);
}
else if (result == null)
{
childErrorMsg = ConcatErrorMsg(childErrorMsg, TemplateErrors.NullExpression(exp));
}
if (context != null)
{
errorMsg = ConcatErrorMsg(errorMsg, TemplateErrors.ErrorExpression(context.GetText(), templateName, errorPrefix));
}
throw new Exception(ConcatErrorMsg(childErrorMsg, errorMsg));
}
private object EvalExpression(string exp, ParserRuleContext context = null, string errorPrefix = "")
{
exp = exp.TrimExpression();
var(result, error) = EvalByAdaptiveExpression(exp, CurrentTarget().Scope);
if (error != null || (result == null && strictMode))
{
var errorMsg = string.Empty;
var childErrorMsg = string.Empty;
if (error != null)
{
childErrorMsg += error;
}
else if (result == null)
{
childErrorMsg += TemplateErrors.NullExpression(exp);
}
if (context != null)
{
errorMsg += TemplateErrors.ErrorExpression(context.GetText(), CurrentTarget().TemplateName, errorPrefix);
}
if (evaluationTargetStack.Count > 0)
{
evaluationTargetStack.Pop();
}
throw new Exception(childErrorMsg + errorMsg);
}
else if (result == null && !strictMode)
{
result = "null";
}
return(result);
}
