Re: creating syntax file - syn match problem

On Thursday, March 1, 2012 1:41:03 PM UTC-6, Tarlika Elisabeth Schmitz wrote:

I have created a syntax file for a markup language.

Below I have given examples of inline and multi-line code blocks.

I would like to highlight the text between the set of curly braces and
highlight the the curly braces in a different colour.

My attempt below doesn't work: it causes the remainder of the document
to be highlighted in the code xyzCode colour.

Any help with this would be greatly appreciated.

SYNTAX FILE:
============

syn match   xyzCodeMark  contained "{{{"
syn match   xyzCodeMark  contained "}}}"
syn region  xyzCode  start='{{{'hs=s+3 end='}}}'he=e-3
contains=xyzCodeMark

hi link xyzCodeMark Function
hi link xyzCode String

This won't work because only one item can match at a given location. The xyzCodeMark prevents the xyzCode end pattern from matching. This allows nesting of syntax regions. You can use the "keepend" keyword on the xyzCode region, but this will disable nesting of that region unless you also use "extend" where needed.

The better method for this specific case is to use "matchgroup" instead of creating contained matches for the start and end patterns. :help :syn-matchgroup.

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