public DotMethodFPParam(String description, DotMethodFPParamTypeEnum type, Type specificType)
{
Description = description;
ParamType = type;
SpecificType = specificType;
LambdaParamNum = 0;
}
public DotMethodFPParam(int lambdaParamNum, String description, DotMethodFPParamTypeEnum type)
{
LambdaParamNum = lambdaParamNum;
Description = description;
ParamType = type;
SpecificType = null;
if (type == DotMethodFPParamTypeEnum.SPECIFIC)
{
throw new ArgumentException("Invalid ctor for specific-type parameter");
}
}
public static void ValidateSpecificType(String methodUsedName, DotMethodTypeEnum type, DotMethodFPParamTypeEnum expectedTypeEnum, Type expectedTypeClass, Type providedType, int parameterNum, ExprNode parameterExpression)
{
string message = string.Format("Error validating {0} method '{1}', ", type.GetTypeName(), methodUsedName);
if (expectedTypeEnum == DotMethodFPParamTypeEnum.BOOLEAN && (!providedType.IsBoolean()))
{
throw new ExprValidationException(
string.Format("{0}expected a boolean-type result for expression parameter {1} but received {2}",
message, parameterNum, providedType.FullName));
}
if (expectedTypeEnum == DotMethodFPParamTypeEnum.NUMERIC && (!providedType.IsNumeric()))
{
throw new ExprValidationException(
string.Format("{0}expected a number-type result for expression parameter {1} but received {2}",
message, parameterNum, providedType.FullName));
}
if (expectedTypeEnum == DotMethodFPParamTypeEnum.SPECIFIC)
{
var boxedExpectedType = expectedTypeClass.GetBoxedType();
var boxedProvidedType = providedType.GetBoxedType();
if (!TypeHelper.IsSubclassOrImplementsInterface(boxedProvidedType, boxedExpectedType))
{
throw new ExprValidationException(
string.Format("{0}expected a {1}-type result for expression parameter {2} but received {3}",
message, boxedExpectedType.Name, parameterNum, providedType.FullName));
}
}
else if (expectedTypeEnum == DotMethodFPParamTypeEnum.TIME_PERIOD_OR_SEC)
{
if (parameterExpression is ExprTimePeriod || parameterExpression is ExprStreamUnderlyingNode)
{
return;
}
if (!providedType.IsNumeric())
{
throw new ExprValidationException(message +
"expected a time-period expression or a numeric-type result for expression parameter " +
parameterNum + " but received " +
TypeHelper.GetTypeNameFullyQualPretty(providedType));
}
}
else if (expectedTypeEnum == DotMethodFPParamTypeEnum.DATETIME)
{
if (!providedType.IsDateTime())
{
throw new ExprValidationException(message +
"expected a long-typed or DateTime-typed result for expression parameter " +
parameterNum + " but received " +
TypeHelper.GetTypeNameFullyQualPretty(providedType));
}
}
}
