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ImportURI for external files [message #1062826]

Tue, 11 June 2013 00:06

Roza Ghamari

Messages: 82
Registered: January 2013

Member

Hi all,

I am very lost with how importing global scope is working. I am writing a parser with xtext for a well structure language and I cannot depend on workspace or project concepts. In my language I have include statements which can have relative or absoloute paths of another file. I need to be able to reference objects defined in this other file. I tried using importURI but it doesn't work. All I tried was to add this rule:

 
Include:
	'INCLUDE' '='  importURI=STRING ';'
;

and change the MWE2 file in these parts:

   // scoping and exporting API
                 fragment = scoping.ImportURIScopingFragment {}
                // fragment = exporting.SimpleNamesFragment {}
    
                // scoping and exporting API
                fragment = scoping.ImportNamespacesScopingFragment {}
                fragment = exporting.QualifiedNamesFragment {}

But this doesn't make any effect in my editor. I still can refer to objects defined in every file with the same extension without having the include statements, and I still cannot include files outside of the project.

I really appreciate your help as I have spent a lot of time till now and found nothing understandable.

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Re: ImportURI for external files [message #1062844 is a reply to message #1062826]

Tue, 11 June 2013 05:16

Christian Dietrich

Messages: 14665
Registered: July 2009

Senior Member

Hi you have to remove types generator and xbase fragments too to get
import uri working.

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Re: ImportURI for external files [message #1064162 is a reply to message #1062844]

Mon, 17 June 2013 21:57

Roza Ghamari

Messages: 82
Registered: January 2013

Member

Thanks Christian that worked. Now I have a question about environment variables. Since this grammar is developed previously and there are many test files based on this grammar I need to make my xtext parser to support all we had before. One of these is the ability to import another file using environment variables in the path.

I tried defining the environment variables for the project and then link the files based on these variables, but the problem is importURI string doesn't get teh environment variable.

Assume I have file 1 defined in project which has a link to file to like:

INCLUDE = "${VAR1}/file2.foo";

VAR1 is defined and file2 is linked to project based on VAR1.

This doesn't work unfortunately, do you know how I can solve this?

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