[news.eclipse.modeling.tmf] Re: Keywords vs. tokens

[Marco <marco@xxxxxxxxxxx>]

Hi Sebastian,

Thank you for the hint. I tried it but still keywords are recognized as IDs.

From_import :
____'from' FQN 'import' ('*' | ((FQN ('as' FQN)?) (',' FQN ('as' FQN)?)*)) ;

Foo_KW returns ecore::EString :
___'foo' | 'FOO' ;

FQN :
____ID ('.' ID)* ;

terminal ID : '^'?('a'..'z'|'A'..'Z'|'_') ('a'..'z'|'A'..'Z'|'_'|'0'..'9')* ;

I get an 'No viable alternative error' if the text intended to be FQN is FOO.

I do not understand why and how to work-around.

The only chance I see is to split ID in ID_first_letter and ID_trailing_letter, and write a data type rule to compose ID out of it. But this not really concise.

br
m