271 lines
14 KiB
VimL
271 lines
14 KiB
VimL
if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'rust') == -1
|
||
|
||
" Vim syntax file
|
||
" Language: Rust
|
||
" Maintainer: Patrick Walton <pcwalton@mozilla.com>
|
||
" Maintainer: Ben Blum <bblum@cs.cmu.edu>
|
||
" Maintainer: Chris Morgan <me@chrismorgan.info>
|
||
" Last Change: January 29, 2015
|
||
|
||
if version < 600
|
||
syntax clear
|
||
elseif exists("b:current_syntax")
|
||
finish
|
||
endif
|
||
|
||
" Syntax definitions {{{1
|
||
" Basic keywords {{{2
|
||
syn keyword rustConditional match if else
|
||
syn keyword rustOperator as
|
||
|
||
syn match rustAssert "\<assert\(\w\)*!" contained
|
||
syn match rustPanic "\<panic\(\w\)*!" contained
|
||
syn keyword rustKeyword break
|
||
syn keyword rustKeyword box nextgroup=rustBoxPlacement skipwhite skipempty
|
||
syn keyword rustKeyword continue
|
||
syn keyword rustKeyword extern nextgroup=rustExternCrate,rustObsoleteExternMod skipwhite skipempty
|
||
syn keyword rustKeyword fn nextgroup=rustFuncName skipwhite skipempty
|
||
syn keyword rustKeyword for in if impl let
|
||
syn keyword rustKeyword loop pub
|
||
syn keyword rustKeyword return super
|
||
syn keyword rustKeyword unsafe where while
|
||
syn keyword rustKeyword use nextgroup=rustModPath 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 move mut ref static const
|
||
|
||
syn keyword rustInvalidBareKeyword crate
|
||
|
||
syn keyword rustExternCrate crate contained nextgroup=rustIdentifier,rustExternCrateString skipwhite skipempty
|
||
" This is to get the `bar` part of `extern crate "foo" as bar;` highlighting.
|
||
syn match rustExternCrateString /".*"\_s*as/ contained nextgroup=rustIdentifier skipwhite transparent skipempty contains=rustString,rustOperator
|
||
syn keyword rustObsoleteExternMod mod contained nextgroup=rustIdentifier skipwhite skipempty
|
||
|
||
syn match rustIdentifier contains=rustIdentifierPrime "\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*" display contained
|
||
syn match rustFuncName "\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*" display contained
|
||
|
||
syn region rustBoxPlacement matchgroup=rustBoxPlacementParens start="(" end=")" contains=TOP contained
|
||
" Ideally we'd have syntax rules set up to match arbitrary expressions. Since
|
||
" we don't, we'll just define temporary contained rules to handle balancing
|
||
" delimiters.
|
||
syn region rustBoxPlacementBalance start="(" end=")" containedin=rustBoxPlacement transparent
|
||
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 become do offsetof priv pure sizeof typeof unsized yield abstract virtual final override macro
|
||
|
||
" Built-in types {{{2
|
||
syn keyword rustType isize usize char bool u8 u16 u32 u64 f32
|
||
syn keyword rustType f64 i8 i16 i32 i64 str Self
|
||
|
||
" Things from the libstd v1 prelude (src/libstd/prelude/v1.rs) {{{2
|
||
" This section is just straight transformation of the contents of the prelude,
|
||
" to make it easy to update.
|
||
|
||
" Reexported core operators {{{3
|
||
syn keyword rustTrait Copy Send Sized Sync
|
||
syn keyword rustTrait Drop Fn FnMut FnOnce
|
||
|
||
" Reexported functions {{{3
|
||
" There’s no point in highlighting these; when one writes drop( or drop::< it
|
||
" gets the same highlighting anyway, and if someone writes `let drop = …;` we
|
||
" don’t really want *that* drop to be highlighted.
|
||
"syn keyword rustFunction drop
|
||
|
||
" Reexported types and traits {{{3
|
||
syn keyword rustTrait Box
|
||
syn keyword rustTrait ToOwned
|
||
syn keyword rustTrait Clone
|
||
syn keyword rustTrait PartialEq PartialOrd Eq Ord
|
||
syn keyword rustTrait AsRef AsMut Into From
|
||
syn keyword rustTrait Default
|
||
syn keyword rustTrait Iterator Extend IntoIterator
|
||
syn keyword rustTrait DoubleEndedIterator ExactSizeIterator
|
||
syn keyword rustEnum Option
|
||
syn keyword rustEnumVariant Some None
|
||
syn keyword rustEnum Result
|
||
syn keyword rustEnumVariant Ok Err
|
||
syn keyword rustTrait SliceConcatExt
|
||
syn keyword rustTrait String ToString
|
||
syn keyword rustTrait Vec
|
||
|
||
" Other syntax {{{2
|
||
syn keyword rustSelf self
|
||
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 rustModPathSep "::"
|
||
|
||
syn match rustFuncCall "\w\(\w\)*("he=e-1,me=e-1
|
||
syn match rustFuncCall "\w\(\w\)*::<"he=e-3,me=e-3 " foo::<T>();
|
||
|
||
" This is merely a convention; note also the use of [A-Z], restricting it to
|
||
" latin identifiers rather than the full Unicode uppercase. I have not used
|
||
" [:upper:] as it depends upon 'noignorecase'
|
||
"syn match rustCapsIdent display "[A-Z]\w\(\w\)*"
|
||
|
||
syn match rustOperator display "\%(+\|-\|/\|*\|=\|\^\|&\||\|!\|>\|<\|%\)=\?"
|
||
" This one isn't *quite* right, as we could have binary-& with a reference
|
||
syn match rustSigil display /&\s\+[&~@*][^)= \t\r\n]/he=e-1,me=e-1
|
||
syn match rustSigil display /[&~@*][^)= \t\r\n]/he=e-1,me=e-1
|
||
" This isn't actually correct; a closure with no arguments can be `|| { }`.
|
||
" Last, because the & in && isn't a sigil
|
||
syn match rustOperator display "&&\|||"
|
||
" This is rustArrowCharacter rather than rustArrow for the sake of matchparen,
|
||
" so it skips the ->; see http://stackoverflow.com/a/30309949 for details.
|
||
syn match rustArrowCharacter display "->"
|
||
|
||
syn match rustMacro '\w\(\w\)*!' contains=rustAssert,rustPanic
|
||
syn match rustMacro '#\w\(\w\)*' contains=rustAssert,rustPanic
|
||
|
||
syn match rustEscapeError display contained /\\./
|
||
syn match rustEscape display contained /\\\([nrt0\\'"]\|x\x\{2}\)/
|
||
syn match rustEscapeUnicode display contained /\\u{\x\{1,6}}/
|
||
syn match rustStringContinuation display contained /\\\n\s*/
|
||
syn region rustString start=+b"+ skip=+\\\\\|\\"+ end=+"+ contains=rustEscape,rustEscapeError,rustStringContinuation
|
||
syn region rustString start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=rustEscape,rustEscapeUnicode,rustEscapeError,rustStringContinuation,@Spell
|
||
syn region rustString start='b\?r\z(#*\)"' end='"\z1' contains=@Spell
|
||
|
||
syn region rustAttribute start="#!\?\[" end="\]" contains=rustString,rustDerive
|
||
syn region rustDerive start="derive(" end=")" contained contains=rustDeriveTrait
|
||
" This list comes from src/libsyntax/ext/deriving/mod.rs
|
||
" Some are deprecated (Encodable, Decodable) or to be removed after a new snapshot (Show).
|
||
syn keyword rustDeriveTrait contained Clone Hash RustcEncodable RustcDecodable Encodable Decodable PartialEq Eq PartialOrd Ord Rand Show Debug Default FromPrimitive Send Sync Copy
|
||
|
||
" Number literals
|
||
syn match rustDecNumber display "\<[0-9][0-9_]*\%([iu]\%(size\|8\|16\|32\|64\)\)\="
|
||
syn match rustHexNumber display "\<0x[a-fA-F0-9_]\+\%([iu]\%(size\|8\|16\|32\|64\)\)\="
|
||
syn match rustOctNumber display "\<0o[0-7_]\+\%([iu]\%(size\|8\|16\|32\|64\)\)\="
|
||
syn match rustBinNumber display "\<0b[01_]\+\%([iu]\%(size\|8\|16\|32\|64\)\)\="
|
||
|
||
" Special case for numbers of the form "1." which are float literals, unless followed by
|
||
" an identifier, which makes them integer literals with a method call or field access,
|
||
" or by another ".", which makes them integer literals followed by the ".." token.
|
||
" (This must go first so the others take precedence.)
|
||
syn match rustFloat display "\<[0-9][0-9_]*\.\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\|\.\)\@!"
|
||
" To mark a number as a normal float, it must have at least one of the three things integral values don't have:
|
||
" a decimal point and more numbers; an exponent; and a type suffix.
|
||
syn match rustFloat display "\<[0-9][0-9_]*\%(\.[0-9][0-9_]*\)\%([eE][+-]\=[0-9_]\+\)\=\(f32\|f64\)\="
|
||
syn match rustFloat display "\<[0-9][0-9_]*\%(\.[0-9][0-9_]*\)\=\%([eE][+-]\=[0-9_]\+\)\(f32\|f64\)\="
|
||
syn match rustFloat display "\<[0-9][0-9_]*\%(\.[0-9][0-9_]*\)\=\%([eE][+-]\=[0-9_]\+\)\=\(f32\|f64\)"
|
||
|
||
" For the benefit of delimitMate
|
||
syn region rustLifetimeCandidate display start=/&'\%(\([^'\\]\|\\\(['nrt0\\\"]\|x\x\{2}\|u\x\{4}\|U\x\{8}\)\)'\)\@!/ end=/[[:cntrl:][:space:][:punct:]]\@=\|$/ contains=rustSigil,rustLifetime
|
||
syn region rustGenericRegion display start=/<\%('\|[^[cntrl:][:space:][:punct:]]\)\@=')\S\@=/ end=/>/ contains=rustGenericLifetimeCandidate
|
||
syn region rustGenericLifetimeCandidate display start=/\%(<\|,\s*\)\@<='/ end=/[[:cntrl:][:space:][:punct:]]\@=\|$/ contains=rustSigil,rustLifetime
|
||
|
||
"rustLifetime must appear before rustCharacter, or chars will get the lifetime highlighting
|
||
syn match rustLifetime display "\'\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*"
|
||
syn match rustCharacterInvalid display contained /b\?'\zs[\n\r\t']\ze'/
|
||
" The groups negated here add up to 0-255 but nothing else (they do not seem to go beyond ASCII).
|
||
syn match rustCharacterInvalidUnicode display contained /b'\zs[^[:cntrl:][:graph:][:alnum:][:space:]]\ze'/
|
||
syn match rustCharacter /b'\([^\\]\|\\\(.\|x\x\{2}\)\)'/ contains=rustEscape,rustEscapeError,rustCharacterInvalid,rustCharacterInvalidUnicode
|
||
syn match rustCharacter /'\([^\\]\|\\\(.\|x\x\{2}\|u\x\{4}\|U\x\{8}\|u{\x\{1,6}}\)\)'/ contains=rustEscape,rustEscapeUnicode,rustEscapeError,rustCharacterInvalid
|
||
|
||
syn match rustShebang /\%^#![^[].*/
|
||
syn region rustCommentLine start="//" end="$" contains=rustTodo,@Spell
|
||
syn region rustCommentLineDoc start="//\%(//\@!\|!\)" end="$" contains=rustTodo,@Spell
|
||
syn region rustCommentBlock matchgroup=rustCommentBlock start="/\*\%(!\|\*[*/]\@!\)\@!" end="\*/" contains=rustTodo,rustCommentBlockNest,@Spell
|
||
syn region rustCommentBlockDoc matchgroup=rustCommentBlockDoc start="/\*\%(!\|\*[*/]\@!\)" end="\*/" contains=rustTodo,rustCommentBlockDocNest,@Spell
|
||
syn region rustCommentBlockNest matchgroup=rustCommentBlock start="/\*" end="\*/" contains=rustTodo,rustCommentBlockNest,@Spell contained transparent
|
||
syn region rustCommentBlockDocNest matchgroup=rustCommentBlockDoc start="/\*" end="\*/" contains=rustTodo,rustCommentBlockDocNest,@Spell contained transparent
|
||
" FIXME: this is a really ugly and not fully correct implementation. Most
|
||
" importantly, a case like ``/* */*`` should have the final ``*`` not being in
|
||
" a comment, but in practice at present it leaves comments open two levels
|
||
" deep. But as long as you stay away from that particular case, I *believe*
|
||
" the highlighting is correct. Due to the way Vim's syntax engine works
|
||
" (greedy for start matches, unlike Rust's tokeniser which is searching for
|
||
" the earliest-starting match, start or end), I believe this cannot be solved.
|
||
" Oh you who would fix it, don't bother with things like duplicating the Block
|
||
" rules and putting ``\*\@<!`` at the start of them; it makes it worse, as
|
||
" then you must deal with cases like ``/*/**/*/``. And don't try making it
|
||
" worse with ``\%(/\@<!\*\)\@<!``, either...
|
||
|
||
syn keyword rustTodo contained TODO FIXME XXX NB NOTE
|
||
|
||
" Folding rules {{{2
|
||
" Trivial folding rules to begin with.
|
||
" FIXME: use the AST to make really good folding
|
||
syn region rustFoldBraces start="{" end="}" transparent fold
|
||
|
||
" Default highlighting {{{1
|
||
hi def link rustDecNumber rustNumber
|
||
hi def link rustHexNumber rustNumber
|
||
hi def link rustOctNumber rustNumber
|
||
hi def link rustBinNumber rustNumber
|
||
hi def link rustIdentifierPrime rustIdentifier
|
||
hi def link rustTrait rustType
|
||
hi def link rustDeriveTrait rustTrait
|
||
|
||
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
|
||
hi def link rustEscapeError Error
|
||
hi def link rustStringContinuation Special
|
||
hi def link rustString String
|
||
hi def link rustCharacterInvalid Error
|
||
hi def link rustCharacterInvalidUnicode rustCharacterInvalid
|
||
hi def link rustCharacter Character
|
||
hi def link rustNumber Number
|
||
hi def link rustBoolean Boolean
|
||
hi def link rustEnum rustType
|
||
hi def link rustEnumVariant rustConstant
|
||
hi def link rustConstant Constant
|
||
hi def link rustSelf Constant
|
||
hi def link rustFloat Float
|
||
hi def link rustArrowCharacter rustOperator
|
||
hi def link rustOperator Operator
|
||
hi def link rustKeyword Keyword
|
||
hi def link rustReservedKeyword Error
|
||
hi def link rustConditional Conditional
|
||
hi def link rustIdentifier Identifier
|
||
hi def link rustCapsIdent rustIdentifier
|
||
hi def link rustModPath Include
|
||
hi def link rustModPathSep Delimiter
|
||
hi def link rustFunction Function
|
||
hi def link rustFuncName Function
|
||
hi def link rustFuncCall Function
|
||
hi def link rustShebang Comment
|
||
hi def link rustCommentLine Comment
|
||
hi def link rustCommentLineDoc SpecialComment
|
||
hi def link rustCommentBlock rustCommentLine
|
||
hi def link rustCommentBlockDoc rustCommentLineDoc
|
||
hi def link rustAssert PreCondit
|
||
hi def link rustPanic PreCondit
|
||
hi def link rustMacro Macro
|
||
hi def link rustType Type
|
||
hi def link rustTodo Todo
|
||
hi def link rustAttribute PreProc
|
||
hi def link rustDerive PreProc
|
||
hi def link rustStorage StorageClass
|
||
hi def link rustObsoleteStorage Error
|
||
hi def link rustLifetime Special
|
||
hi def link rustInvalidBareKeyword Error
|
||
hi def link rustExternCrate rustKeyword
|
||
hi def link rustObsoleteExternMod Error
|
||
hi def link rustBoxPlacementParens Delimiter
|
||
|
||
" Other Suggestions:
|
||
" hi rustAttribute ctermfg=cyan
|
||
" hi rustDerive ctermfg=cyan
|
||
" hi rustAssert ctermfg=yellow
|
||
" hi rustPanic ctermfg=red
|
||
" hi rustMacro ctermfg=magenta
|
||
|
||
syn sync minlines=200
|
||
syn sync maxlines=500
|
||
|
||
let b:current_syntax = "rust"
|
||
|
||
endif
|