change region for parens, brackets, braces

Author: Christopher MCAdams

syntax/coffee.vim

@@ -39,10 +39,11 @@ syn match coffeeKeyword /\<for\s\+own\>/ contained containedin=coffeeRepeat
 \                       display
 hi def link coffeeKeyword Keyword
 
-syn keyword coffeeOperator instanceof typeof delete
+syn keyword coffeeOperator  instanceof typeof delete length
+\                       display
 hi def link coffeeOperator Operator
 
-syn match coffeeLength /\%(.*\)\.length/hs=e-5
+syn match coffeeLength /\%(\S\.\)length/hs=e-5 containedin=@coffeeAll
 hi def link coffeeLength Label
 
 syn match coffeeFunction  /\s\?[-=]>/
@@ -194,18 +195,22 @@ syn match coffeeProtoAccess /::\s*\%(\I\|\$\)\%(\i\|\$\)*/he=s+2 contains=@coffe
 hi def link coffeeProtoAccess coffeeExtendedOp
 
 " This is required for interpolations to work.
-syn region coffeeCurlies matchgroup=coffeeCurly start=/{/ end=/}/
+syn region coffeeCurlies matchgroup=coffeeBraces start=/{/ end=/}/
 \                        contains=@coffeeAll
 syn region coffeeBrackets matchgroup=coffeeBracket start=/\[/ end=/\]/
 \                         contains=@coffeeAll
-syn region coffeeParens matchgroup=coffeeParen start=/(/ end=/)/
+syn region coffeeParens matchgroup=coffeeBlockParen start=/(/ end=/)/
 \                       contains=@coffeeAll
 
 " These are highlighted the same as commas since they tend to go together.
-hi def link coffeeBlock coffeeSpecialOp
-hi def link coffeeBracket coffeeBlock
-hi def link coffeeCurly coffeeBlock
-hi def link coffeeParen coffeeBlock
+hi! def link coffeeParens Special
+hi! def link coffeeBlockParen Operator
+
+hi! def link coffeeCurlies Special
+hi! def link coffeeBraces Function
+
+hi! def link coffeeBrackets NONE
+hi! def link coffeeBracket Function
 
 " This is used instead of TOP to keep things coffee-specific for good
 " embedding. `contained` groups aren't included.