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Autoclose creates additional close tag in SyntaxMemo

 
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Viola



Joined: 03 Dec 2008
Posts: 4
Location: Raleigh, NC, USA
PostPosted: Wed Apr 06, 2011 4:10 am    Post subject: Autoclose creates additional close tag in SyntaxMemo Reply with quote
Hi

My problem is that I want to be able to autoclose code tags, but it doesn't always work as expected. An example of this is a cpp file with the preprocessor tags #if, which is closed with #endif.

First, I'll describe the normal behaviour:

I open the cpp file and type "#if" and hit Enter. This auto-closes the tag with a "#endif" and a line between them, with the cursor on it. i.e.

Code:

#if
 
#endif


Hitting enter again adds another blank line between the tags.

Now for the abnormal behaviour:

if I have something (could be a comment, or even just whitespace) after the #endif tag (on the same line), if I place the cursor between the tags and press Enter, a second end tag is added. i.e.

Code:

#if

#endif
#endif //comment


This is my SyntAnalyzer block rules for the cpp #if directive (loaded from a lexer file):

Code:

item
        DisplayName = '#if'
        ConditionList = <
          item
            TagList.Strings = (
              '\#if')
            CondType = tcMask
            TokenTypes = 512
          end>
        BlockEnd = '#endif'
        DisplayInTree = False
        HighlightPos = cpBound
        CollapseFmt = '%s0'
        IgnoreAsParent = True
        AutoCloseMode = acmCloseNearest
        AutoCloseText = '#endif'
      end
      item
        DisplayName = '#endif'
        BlockType = btRangeEnd
        ConditionList = <
          item
            TagList.Strings = (
              '#endif')
            TokenTypes = 512
          end>
        HighlightPos = cpBound
        IgnoreAsParent = False
      end


Please can you help me solve this problem? Any insights or thoughts on where I might look?

Thanks.
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Viola



Joined: 03 Dec 2008
Posts: 4
Location: Raleigh, NC, USA
PostPosted: Wed Apr 06, 2011 11:57 pm    Post subject: Reply with quote
Hi

I managed to figure this out (with some help from a work colleague).

The solution was to edit the lexer file (changed lines are marked with an arrow):
Code:

 item
        DisplayName = '#if'
        ConditionList = <
          item
            TagList.Strings = (
              '\#if')
            CondType = tcMask
            TokenTypes = 512
          end>
        BlockEnd = '#endif'
        DisplayInTree = False
        HighlightPos = cpBound
        CollapseFmt = '%s0'
        IgnoreAsParent = True
        AutoCloseMode = acmCloseNearest
        AutoCloseText = '#endif'
      end
      item
        DisplayName = '#endif'
        BlockType = btRangeEnd
        ConditionList = <
          item
            TagList.Strings = (
              '\#endif.*')                    <== previously  '#endif')
            CondType = tcMask                 <== new line
            TokenTypes = 512
          end>
        HighlightPos = cpBound
        IgnoreAsParent = False
      end

Hopefully, if anyone else has this problem, this will help them.
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