private bool VerifyArithmetic(ContextNode context)
{
var parser = context.Parser;
ResolveLiteralOperands(context);
if (left.ExpressionReturnType.IsNumericType() && right.ExpressionReturnType.IsNumericType())
{
bool comparable = false;
if (left.IsAssignableTo(right))
{
type = right.ExpressionReturnType;
comparable = true;
}
else if (right.IsAssignableTo(left))
{
type = left.ExpressionReturnType;
comparable = true;
}
if (comparable && BinaryOperatorType == BinaryOperatorNodeType.Modulus)
{
comparable = left.ExpressionReturnType.IsIntegerType() && right.ExpressionReturnType.IsIntegerType();
}
return(comparable);
}
if (BinaryOperatorType == BinaryOperatorNodeType.Addition)
{
type = parser.String;
return(left.ExpressionReturnType.IsStringType() || right.ExpressionReturnType.IsStringType());
}
return(false);
}