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How to format datatype rules with Formatter2 [message #1697370]

Wed, 03 June 2015 13:34

Jiang Li

Messages: 27
Registered: November 2014

Junior Member

I have already tried Formatter2 of XText 2.9. It works well. But i could not find any way to format the datatype rules.

e.g. following grammar

Expression:
      value=Real
;

Real:
      INT '.' INT
;

I hope to format the rule 'Real' so that there are no white spaces existing before and after '.'

The method "regionFor(EObject).*" works only for EObject. The datatype rule 'Real' generates only "String" insteadof "EObject".

How can i format the datatype rules? Is there any other formatting method for datatype rules?

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Re: How to format datatype rules with Formatter2 [message #1697390 is a reply to message #1697370]

Wed, 03 June 2015 14:34

Christian Dietrich

Messages: 14492
Registered: July 2009

Senior Member

regionForFeature /region.forFeature on the parent should do the trick

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[Updated on: Wed, 03 June 2015 15:08]

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Re: How to format datatype rules with Formatter2 [message #1697495 is a reply to message #1697390]

Thu, 04 June 2015 11:46

Jiang Li

Messages: 27
Registered: November 2014

Junior Member

Christian Dietrich wrote on Wed, 03 June 2015 14:34

regionForFeature /region.forFeature on the parent should do the trick

I could not find the method "regionForFeature".
Do you mean "regionFor(expression) .feature(Literals.Expression_Value)"?
I use just this method. It can only append/prepend white spaces around "Real" instead of around '.' within the "Real".

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Re: How to format datatype rules with Formatter2 [message #1697532 is a reply to message #1697495]

Thu, 04 June 2015 15:41

Christian Dietrich

Messages: 14492
Registered: July 2009

Senior Member

can you please find a bug for that?

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Re: How to format datatype rules with Formatter2 [message #1697552 is a reply to message #1697532]

Thu, 04 June 2015 19:51

Jiang Li

Messages: 27
Registered: November 2014

Junior Member

Christian Dietrich wrote on Thu, 04 June 2015 15:41

can you please find a bug for that?

do you mean "file" a bug for that ? Rolling Eyes

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Re: How to format datatype rules with Formatter2 [message #1697553 is a reply to message #1697552]

Thu, 04 June 2015 20:01

Christian Dietrich

Messages: 14492
Registered: July 2009

Senior Member

open a ticket here https://bugs.eclipse.org/bugs/enter_bug.cgi?product=TMF&component=Xtext

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Re: How to format datatype rules with Formatter2 [message #1697616 is a reply to message #1697553]

Fri, 05 June 2015 12:18

Jiang Li

Messages: 27
Registered: November 2014

Junior Member

Christian Dietrich wrote on Thu, 04 June 2015 20:01

open a ticket here https://bugs.eclipse.org/bugs/enter_bug.cgi?product=TMF&component=Xtext

Done

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Re: How to format datatype rules with Formatter2 [message #1842760 is a reply to message #1697616]

Wed, 30 June 2021 16:05

Stanislav Tartakowski

Messages: 5
Registered: October 2015

Junior Member

You need to define a ValueConverter for Real DataType in your IValueConverterService class. Here you can override toValue where you programmatically remove the spaces. This is applied on formatting.

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