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Does it possible to control the highlighting ? [message #1739303]

Fri, 29 July 2016 09:46

Eclipse User

Hi

Usually, when we define a highlighter for a DSL (based on Xtext),
the highlight works automatically when we create or edit the dsl model.

Does it possible to control the highlight with an action or an event (using popup menu for example) ?

It means that when I press such command, the highlight works. otherwise, the highlight is disable.

best regards

Re: Does it possible to control the highlighting ? [message #1739308 is a reply to message #1739303]

Fri, 29 July 2016 10:07

Eclipse User

do you mean lexical highlighting or sematic highlighting?
there is nothing out of the box.
i guess you can always use eclipse preferences to do something else and not to do something inside your impls of ISemanticHighlightingCalculator.

or do you want to disable lexical highlighting? that is in the deps of jface, but i guess you can adapt DefaultAntlrTokenToAttributeIdMapper or the tokenization TerminalsTokenTypeToPartitionMapper (i dont know if these are cached though)

Re: Does it possible to control the highlighting ? [message #1739321 is a reply to message #1739308]

Fri, 29 July 2016 11:20

Eclipse User

Hi christian
I mean semantic highlighting.
In fact, the semantic highlighting works automatically (for example, when we run the second eclipse and we define a dsl model that contains highlightable elements, these elements will be highlighted automatically).
what I'm trying to do is to control the highlight out of xtext mechanic (for exemple using a popup menu with right click on dsl model and click on "highlight" label or with a command)

best regards

Re: Does it possible to control the highlighting ? [message #1739324 is a reply to message #1739321]

Fri, 29 July 2016 12:31

Eclipse User

no this is lexical highlighting. for semantic highlighting you have to provide an impl explicitely to enable it.
thus digg at the classes i mentioned (but as said before: there is nothing out of the box)

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