Merge pull request #2336 from tychosci/vim-syntax

Vim syntax update

Author: pcwalton

src/etc/vim/syntax/rust.vim

@@ -15,11 +15,17 @@ if !exists("main_syntax")
 endif
 
 syn keyword   rustKeyword     alt as assert be bind break
-syn keyword   rustKeyword     check claim cont const copy do else enum export fail
-syn keyword   rustKeyword     fn for if iface impl import in inline lambda let log
+syn keyword   rustKeyword     check claim cont const copy do else export fail
+syn keyword   rustKeyword     for if impl import in inline lambda let log
 syn keyword   rustKeyword     loop mod mut mutable native note of prove pure
-syn keyword   rustKeyword     resource ret self syntax to type unchecked
+syn keyword   rustKeyword     ret self syntax to unchecked
 syn keyword   rustKeyword     unsafe use while with
+" FIXME: Scoped impl's name is also fallen in this category
+syn keyword   rustKeyword     mod iface resource class enum type nextgroup=rustIdentifier skipwhite
+syn keyword   rustKeyword     fn nextgroup=rustFuncName skipwhite
+
+syn match     rustIdentifier  "\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*" display contained
+syn match     rustFuncName    "\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*" display contained
 
 " Reserved words
 syn keyword   rustKeyword     m32 m64 m128 f80 f16 f128 class trait
@@ -33,35 +39,48 @@ syn match     rustItemPath    "\(\w\|::\)\+"
 
 syn region	  rustString      start=+L\="+ skip=+\\\\\|\\"+ end=+"+
 
-"integer number, or floating point number without a dot and with "f".
-syn case ignore
-syn match	  rustNumber		display contained "\d\+\(u\=l\{0,2}\|ll\=u\)\>"
-"hex number
-syn match	  rustNumber		display contained "0x\x\+\(u\=l\{0,2}\|ll\=u\)\>"
-syn match	rustFloat		display contained "\d\+f"
-"floating point number, with dot, optional exponent
-syn match	rustFloat		display contained "\d\+\.\d*\(e[-+]\=\d\+\)\=[fl]\="
-"floating point number, starting with a dot, optional exponent
-syn match	rustFloat		display contained "\.\d\+\(e[-+]\=\d\+\)\=[fl]\=\>"
-"floating point number, without dot, with exponent
-syn match	rustFloat		display contained "\d\+e[-+]\=\d\+[fl]\=\>"
-
-syn case match
+" Number literals
+syn match     rustNumber      display "\<[0-9][0-9_]*\>"
+syn match     rustNumber      display "\<[0-9][0-9_]*\(u\|u8\|u16\|u32\|u64\)\>"
+syn match     rustNumber      display "\<[0-9][0-9_]*\(i8\|i16\|i32\|i64\)\>"
+
+syn match     rustHexNumber   display "\<0x[a-fA-F0-9_]\+\>"
+syn match     rustHexNumber   display "\<0x[a-fA-F0-9_]\+\(u\|u8\|u16\|u32\|u64\)\>"
+syn match     rustHexNumber   display "\<0x[a-fA-F0-9_]\+\(i8\|i16\|i32\|i64\)\>"
+syn match     rustBinNumber   display "\<0b[01_]\+\>"
+syn match     rustBinNumber   display "\<0b[01_]\+\(u\|u8\|u16\|u32\|u64\)\>"
+syn match     rustBinNumber   display "\<0b[01_]\+\(i8\|i16\|i32\|i64\)\>"
+
+syn match     rustFloat       display "\<[0-9][0-9_]*\(f\|f32\|f64\)\>"
+syn match     rustFloat       display "\<[0-9][0-9_]*\([eE][+-]\=[0-9_]\+\)\>"
+syn match     rustFloat       display "\<[0-9][0-9_]*\([eE][+-]\=[0-9_]\+\)\(f\|f32\|f64\)\>"
+syn match     rustFloat       display "\<[0-9][0-9_]*\.[0-9_]\+\>"
+syn match     rustFloat       display "\<[0-9][0-9_]*\.[0-9_]\+\(f\|f32\|f64\)\>"
+syn match     rustFloat       display "\<[0-9][0-9_]*\.[0-9_]\+\%([eE][+-]\=[0-9_]\+\)\>"
+syn match     rustFloat       display "\<[0-9][0-9_]*\.[0-9_]\+\%([eE][+-]\=[0-9_]\+\)\(f\|f32\|f64\)\>"
 
 syn match   rustCharacter   "'\([^'\\]\|\\\(['nrt\\\"]\|x\x\{2}\|u\x\{4}\|U\x\{8}\)\)'"
 
-syn region    rustComment     start="/\*" end="\*/" contains=rustComment
-syn region    rustComment     start="//" skip="\\$" end="$" keepend
+syn region    rustComment     start="/\*" end="\*/" contains=rustComment,rustTodo
+syn region    rustComment     start="//" skip="\\$" end="$" contains=rustTodo keepend
+
+syn keyword   rustTodo        TODO FIXME XXX NB
+
+hi def link rustHexNumber     rustNumber
+hi def link rustBinNumber     rustNumber
 
 hi def link rustString        String
 hi def link rustCharacter     Character
 hi def link rustNumber        Number
 hi def link rustBoolean       Boolean
 hi def link rustFloat         Float
 hi def link rustKeyword       Keyword
+hi def link rustIdentifier    Identifier
+hi def link rustFuncName      Function
 hi def link rustComment       Comment
 hi def link rustMacro         Macro
 hi def link rustType          Type
+hi def link rustTodo          Todo
 
 syn sync minlines=200
 syn sync maxlines=500