private object ExecuteUnary(object operand, Token op, ExecutionContext context)
{
if (op.Is(TokenId.TypeToken))
{
return(this.ExecuteConversion(operand, op));
}
switch (op.TokenText)
{
case "-":
return(ParserOps.PolyMinus(context, op, (object)0, operand));
case "+":
return(ParserOps.PolyAdd(context, op, (object)0, operand));
case "!":
case "-not":
return((object)!LanguagePrimitives.IsTrue(operand));
case "-bnot":
try
{
return((object)~Parser.ConvertTo <int>(operand, op));
}
catch (Exception ex)
{
CommandProcessorBase.CheckForSevereException(ex);
return((object)~Parser.ConvertTo <long>(operand, op));
}
case ",":
return((object)new object[1] {
operand
});
case "-split":
return(ParserOps.SplitOperator(context, op, operand));
case "-join":
return(ParserOps.JoinOperator(context, op, operand));
default:
throw InterpreterError.NewInterpreterException((object)op, typeof(RuntimeException), op, "UnexpectedUnaryOperator", (object)op);
}
}