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Xtext - Formatting - SetIndentation [message #644246]

Fri, 10 December 2010 08:40

Philipp Missing name

Messages: 7
Registered: November 2010

Junior Member

I'm implementing a formatting configuration for my DSL and faced some problems with the indentation.

I have simply implemented:

c.setIndentationIncrement().before(f.getStatementRule());
c.setIndentationDecrement().after(f.getStatementRule());

Until only StatementRules are processed everything works well, but if once a other rule applies the indentation is damaged. It seems that the indentation tends to be negative.

In the following example the keyword PROCEDURE stays for the other rule, as mentioned above.

macro test2

   VAR a := 0

   IF a THEN
      a := a
   ENDIF

   VAR b := 0

PROCEDURE proc
   a := a
ENDPROCEDURE

PROCEDURE proc2
   a := a
ENDPROCEDURE

IF a THEN
   a := a
ENDIF

VAR c := 0

PROCEDURE proc3
a := a
ENDPROCEDURE

IF a THEN
a := a
ENDIF

PROCEDURE proc4
a := a
ENDPROCEDURE

I have found a methode SetIndentation that isn't descripted in the help.

Does each rule has to be marked with SetIndentation to the current indentation?

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Re: Xtext - Formatting - SetIndentation [message #644776 is a reply to message #644246]

Tue, 14 December 2010 08:35

Sebastian Zarnekow

Messages: 3118
Registered: July 2009

Senior Member

Hi Philipp,

please file a bug and attach a reproducable example. Thanks in advance.
Meanwhile you could try to use setIndentation().between(..) in
conjunction with findKeywordPairs(..).

Regards,
Sebastian
--
Need professional support for Eclipse Modeling?
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Am 10.12.10 09:40, schrieb Philipp:
> I'm implementing a formatting configuration for my DSL and faced some
> problems with the indentation.
>
> I have simply implemented:
>
> c.setIndentationIncrement().before(f.getStatementRule());
> c.setIndentationDecrement().after(f.getStatementRule());
> Until only StatementRules are processed everything works well, but if
> once a other rule applies the indentation is damaged. It seems that the
> indentation tends to be negative.
>
>
> In the following example the keyword PROCEDURE stays for the other rule,
> as mentioned above.
>
> macro test2
>
> VAR a := 0
>
> IF a THEN
> a := a
> ENDIF
>
> VAR b := 0
>
> PROCEDURE proc
> a := a
> ENDPROCEDURE
>
> PROCEDURE proc2
> a := a
> ENDPROCEDURE
>
> IF a THEN
> a := a
> ENDIF
>
> VAR c := 0
>
> PROCEDURE proc3
> a := a
> ENDPROCEDURE
>
> IF a THEN
> a := a
> ENDIF
>
> PROCEDURE proc4
> a := a
> ENDPROCEDURE
>
> I have found a methode SetIndentation that isn't descripted in the help.
> Does each rule has to be marked with SetIndentation to the current
> indentation?
>

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Re: Xtext - Formatting - SetIndentation [message #645139 is a reply to message #644246]

Wed, 15 December 2010 16:39

Henrik Lindberg

Messages: 2509
Registered: July 2009

Senior Member

I struggled with the same problem. I am not 100 sure but I think the
decrement may work, but not the increment - that is why you get to see
negative increments.

In my case, I did not find a workaround, as there is no distinct end token.

Please let me know if you are logging an issue for this.
- henrik

On 12/10/10 9:40 AM, Philipp wrote:
> I'm implementing a formatting configuration for my DSL and faced some
> problems with the indentation.
>
> I have simply implemented:
>
> c.setIndentationIncrement().before(f.getStatementRule());
> c.setIndentationDecrement().after(f.getStatementRule());
> Until only StatementRules are processed everything works well, but if
> once a other rule applies the indentation is damaged. It seems that the
> indentation tends to be negative.

Report message to a moderator

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