PATCH: highlight operators

[Doug Kearns]

For those of you who've long had a burning desire for operator
highlighting, here's an initial stab at it. It's disabled by default -
define "ruby_operators" if you're interested.

What? No?...me neither. Look, it's a rainbow!

Regards,
Doug


Index: syntax/ruby.vim
===================================================================
RCS file: /var/cvs/vim-ruby/vim-ruby/syntax/ruby.vim,v
retrieving revision 1.85
retrieving revision 1.86
diff -u -r1.85 -r1.86
--- syntax/ruby.vim	8 May 2006 06:53:23 -0000	1.85
+++ syntax/ruby.vim	8 May 2006 11:07:59 -0000	1.86
@@ -1,7 +1,7 @@
 " Vim syntax file
 " Language:		Ruby
 " Maintainer:		Doug Kearns <dougkearns at gmail.com>
-" Info:			$Id: ruby.vim,v 1.85 2006/05/08 06:53:23 dkearns Exp $
+" Info:			$Id: ruby.vim,v 1.86 2006/05/08 11:07:59 dkearns Exp $
 " URL:			http://vim-ruby.rubyforge.org
 " Anon CVS:		See above site
 " Release Coordinator:	Doug Kearns <dougkearns at gmail.com>
@@ -32,6 +32,11 @@
   endif
 endif
 
+if exists("ruby_operators")
+  syn match  rubyOperator        "\%(\^\|\~\|\%(class\s*\)\@<!<<\|<=>\|<=\|\%(<\|\<class\s\+\u\w*\s*\)\@<!<[^<]\@=\|===\|==\|=\~\|!\~\|>>\|>=\|>\||\|-\|/\|\*\*\|\*\|&\|%\|+\)"
+  syn region rubyBracketOperator matchgroup=rubyOperator start="\%([_[:lower:]]\w*[?!=]\=\|}\)\@<=\[\s*" end="\s*]"
+endif
+
 " Expression Substitution and Backslash Notation
 syn match rubyEscape		"\\\\\|\\[abefnrstv]\|\\\o\{1,3}\|\\x\x\{1,2}"								contained display
 syn match rubyEscape		"\%(\\M-\\C-\|\\C-\\M-\|\\M-\\c\|\\c\\M-\|\\c\|\\C-\|\\M-\)\%(\\\o\{1,3}\|\\x\x\{1,2}\|\\\=\S\)"	contained display
@@ -71,7 +76,11 @@
 syn match  rubySymbol			":\@<!:\$\%(-.\|[`~<=>_,;:!?/.'"@$*\&+0]\)"
 syn match  rubySymbol			":\@<!:\%(\$\|@@\=\)\=\h\w*[?!=]\="
 syn region rubySymbol			start=":\@<!:\"" end="\"" skip="\\\\\|\\\""
-syn match  rubyBlockParameter		"\%(\%(\<do\>\|{\)\s*\)\@<=|\s*\zs[( ,a-zA-Z0-9_*)]\+\ze\s*|" display
+if exists("ruby_operators")
+  syn match  rubyBlockParameter		"\%(\%(\%(\<do\>\|{\)\s*\)|\s*\)\@<=[( ,a-zA-Z0-9_*)]\+\%(\s*|\)\@=" display
+else
+  syn match  rubyBlockParameter		"\%(\%(\<do\>\|{\)\s*\)\@<=|\s*\zs[( ,a-zA-Z0-9_*)]\+\ze\s*|" display
+endif
 
 syn match rubyPredefinedVariable #$[!$&"'*+,./0:;<=>?@\`~1-9]#
 syn match rubyPredefinedVariable "$_\>"											   display