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Why terminal do not generate content assist ? [message #894062]

Fri, 06 July 2012 14:14

Cristiano Gavião

Messages: 279
Registered: July 2009

Senior Member

Hi,

with this grammar the content assist is generated:

Model:
	greetings+=Greeting*;
	
Greeting:
	'Hello' name=ID '!';

But if I change the keyword in the rule by a terminal, xtext is not generating proper content assist.

Model:
	greetings+=Greeting*;
	
Greeting:
	HELLO name=ID '!';
	
terminal HELLO:
	'Hello'
;

Am I missing something here ?

thanks,

Cristiano

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Re: Why terminal do not generate content assist ? [message #894065 is a reply to message #894062]

Fri, 06 July 2012 14:17

Christian Dietrich

Messages: 14665
Registered: July 2009

Senior Member

Xtext does not try to give meaningful CA for custom terminals you
have to implement the corresponding method in the proposal provider
yourself. Btw terminals as you showed are absolutely unusual since
you use usually keywords for that

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Re: Why terminal do not generate content assist ? [message #894068 is a reply to message #894062]

Fri, 06 July 2012 14:24

Alexander Nittka

Messages: 1193
Registered: July 2009

Senior Member

Hi,

I think there has been a feature request / discussion already.

Currently there are no proposals for terminals (note: keyword!=terminal) whatsoever, as generally a terminal covers more than a handful of possibilities. In this case it makes no sense to suggest anything at all (or rather there will be no agreement on which 3 possibilities to suggest).

Alex

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