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single quotes in Xtext [message #999292]

Fri, 11 January 2013 13:36

Eclipse User

Hi all
I have this rule in xtext grammer

rule: "'"name=ID"'"
Why this rule not accepted when I check it in the editor with this example
'java'
i have error that expected "'"
I do not want to use terminal String for this difinition as when I do so and try to access the name feauture from with in code,I got the result with quotes .

Thanks in advance

[Updated on: Fri, 11 January 2013 13:47] by Moderator

Re: single quotes in Xtext [message #999322 is a reply to message #999292]

Fri, 11 January 2013 15:22

Eclipse User

Hi,

the rule will be problematic if you use the default terminals, as the STRING rule includes single quotes.

Why don't you use

Rule: name=STRING?

You could use validation that the content of the string matches an ID. Note that for referencing you then use

Reference: 'ref' to=[Rule|STRING]

Alex

Re: single quotes in Xtext [message #999338 is a reply to message #999322]

Fri, 11 January 2013 16:26

Eclipse User

Hi alex

thanks for reply .
actally when I use STRING , and try to access feature name from within xtend/xpand code
for example
<<f.name>>
the result which i get is 'java' with single quotes. I wanted single quotes to be mandatory but not part of the feature name.

Re: single quotes in Xtext [message #999523 is a reply to message #999338]

Sat, 12 January 2013 05:22

Eclipse User

Hi, the quotes should be removed by the value converter. This happens
automatically with the default setup.

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