auto merge of #15450 : chris-morgan/rust/vim-misc-2014-07-04, r=kballard

src/etc/vim/syntax/rust.vim

@@ -3,7 +3,7 @@
 " Maintainer:   Patrick Walton <pcwalton@mozilla.com>
 " Maintainer:   Ben Blum <bblum@cs.cmu.edu>
 " Maintainer:   Chris Morgan <me@chrismorgan.info>
-" Last Change:  July 06, 2014
+" Last Change:  July 18, 2014
 
 if version < 600
   syntax clear
@@ -38,7 +38,7 @@ syn keyword   rustKeyword     for in if impl let
 syn keyword   rustKeyword     loop once proc pub
 syn keyword   rustKeyword     return super
 syn keyword   rustKeyword     unsafe virtual while
-syn keyword   rustKeyword     use nextgroup=rustModPath skipwhite skipempty
+syn keyword   rustKeyword     use nextgroup=rustModPath,rustModPathInUse skipwhite skipempty
 " FIXME: Scoped impl's name is also fallen in this category
 syn keyword   rustKeyword     mod trait struct enum type nextgroup=rustIdentifier skipwhite skipempty
 syn keyword   rustStorage     mut ref static const
@@ -60,6 +60,10 @@ syn region    rustBoxPlacementBalance start="(" end=")" containedin=rustBoxPlace
 syn region    rustBoxPlacementBalance start="\[" end="\]" containedin=rustBoxPlacement transparent
 " {} are handled by rustFoldBraces
 
+syn region rustMacroRepeat matchgroup=rustMacroRepeatDelimiters start="$(" end=")" contains=TOP nextgroup=rustMacroRepeatCount
+syn match rustMacroRepeatCount ".\?[*+]" contained
+syn match rustMacroVariable "$\w\+"
+
 " Reserved (but not yet used) keywords {{{2
 syn keyword   rustReservedKeyword alignof be do offsetof priv pure sizeof typeof unsized yield
 
@@ -138,8 +142,9 @@ syn keyword   rustBoolean     true false
 " If foo::bar changes to foo.bar, change this ("::" to "\.").
 " If foo::bar changes to Foo::bar, change this (first "\w" to "\u").
 syn match     rustModPath     "\w\(\w\)*::[^<]"he=e-3,me=e-3
-syn match     rustModPath     "\w\(\w\)*" contained " only for 'use path;'
+syn match     rustModPathInUse "\w\(\w\)*" contained " only for 'use path;'
 syn match     rustModPathSep  "::"
+" rustModPathInUse is split out from rustModPath so that :syn-include can get the group list right.
 
 syn match     rustFuncCall    "\w\(\w\)*("he=e-1,me=e-1
 syn match     rustFuncCall    "\w\(\w\)*::<"he=e-3,me=e-3 " foo::<T>();
@@ -233,6 +238,9 @@ hi def link rustBinNumber       rustNumber
 hi def link rustIdentifierPrime rustIdentifier
 hi def link rustTrait           rustType
 
+hi def link rustMacroRepeatCount   rustMacroRepeatDelimiters
+hi def link rustMacroRepeatDelimiters   Macro
+hi def link rustMacroVariable Define
 hi def link rustSigil         StorageClass
 hi def link rustEscape        Special
 hi def link rustEscapeUnicode rustEscape
@@ -255,6 +263,7 @@ hi def link rustReservedKeyword Error
 hi def link rustConditional   Conditional
 hi def link rustIdentifier    Identifier
 hi def link rustCapsIdent     rustIdentifier
+hi def link rustModPathInUse  rustModPath
 hi def link rustModPath       Include
 hi def link rustModPathSep    Delimiter
 hi def link rustFunction      Function