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xText Defining Sequences [message #12380]

Tue, 22 April 2008 06:31

Eclipse User

How can I define a sequence of digits?
I tried the rules below but I get an error.

OCTAL_DIGIT : '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7';

OCTAL_INTEGER : '8#' OCTAL_DIGIT ( ( '_' )? OCTAL_DIGIT )*;

2187 ERROR CheckComponent2 - Only one delegating call to another
typerule per alternative is allowed. [no name(xtext::Alternatives)

Cheers

Rob

Re: xText Defining Sequences [message #12410 is a reply to message #12380]

Mon, 28 April 2008 02:44

Eclipse User

Originally posted by: dennis.huebner.gmail.org

Hi Rob!
Try to change the rule order.

OCTAL_INTEGER : '8#' OCTAL_DIGIT ( ( '_' )? OCTAL_DIGIT )*;
OCTAL_DIGIT : '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7';

Its works for me with a latest oAW4.3.

Regards,
Dennis.

Rob Moloney schrieb:
> How can I define a sequence of digits?
> I tried the rules below but I get an error.
>
> OCTAL_DIGIT : '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7';
>
> OCTAL_INTEGER : '8#' OCTAL_DIGIT ( ( '_' )? OCTAL_DIGIT )*;
>
> 2187 ERROR CheckComponent2 - Only one delegating call to another
> typerule per alternative is allowed. [no name(xtext::Alternatives)
>
> Cheers
>
> Rob
>

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