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DSL with mixed form/text sintax - selecting different start rules for EmbeddedEditor instances [message #1228645]

Tue, 07 January 2014 17:47

Vlad Gheorghe

Messages: 127
Registered: May 2011

Senior Member

Hi everyone,

I have an application using a DSL for which the "upper part" of the semantic model is mapped to different sections on a form, and only the "lower part" has a textual syntax defined with an xtext grammar.

There are two kinds of text "sections". For each kind, the form contains a separate text editor. (using EmbeddedEditor).

AFAIK, the generated parser starts with the first rule of the grammar.

Is there a way to select different start rules for different instances of EmbeddedEditor ?

I suppose that a similar effect can be achieved by using the prefix/suffix parameters
on EmbeddedEditor#createPartialEditor(), and introducing the respective keywords in the grammar.

Is this the only way to do it, or the start parsing rule can be explicitly selected ?

Best regards
Vlad Gheorghe

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Re: DSL with mixed form/text sintax - selecting different start rules for EmbeddedEditor instances [message #1228647 is a reply to message #1228645]

Tue, 07 January 2014 17:51

Christian Dietrich

Messages: 14665
Registered: July 2009

Senior Member

HI,

yes you can call

val eema = editor.createPartialEditor( true);
                                
                                eema.updateModel("usage test Person {", "", "}");

to give pre and postfix for the embedded editor

Twitter : @chrdietrich
Blog : https://www.dietrich-it.de

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