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Diffstat (limited to 'syntax/reason.vim')
| -rw-r--r-- | syntax/reason.vim | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/syntax/reason.vim b/syntax/reason.vim new file mode 100644 index 00000000..6d47a010 --- /dev/null +++ b/syntax/reason.vim @@ -0,0 +1,254 @@ +if exists('g:polyglot_disabled') && index(g:polyglot_disabled, 'reason') != -1 + finish +endif + +" Vim syntax file +" Language: Reason (Forked from Rust) +" Maintainer: (Jordan - for Reason changes) Patrick Walton <pcwalton@mozilla.com> +" Maintainer: Ben Blum <bblum@cs.cmu.edu> +" Maintainer: Chris Morgan <me@chrismorgan.info> +" Last Change: January 29, 2015 +" Portions Copyright (c) 2015-present, Facebook, Inc. All rights reserved. + +if version < 600 + syntax clear +elseif exists("b:current_syntax") + finish +endif + +" Syntax definitions {{{1 +" Basic keywords {{{2 +syn keyword rustConditional switch match if else for in when fun +syn keyword rustOperator as + +syn match rustAssert "\<assert\(\w\)*!" contained +syn match rustPanic "\<panic\(\w\)*!" contained +syn keyword rustKeyword box nextgroup=rustBoxPlacement skipwhite skipempty +syn keyword rustKeyword extern nextgroup=rustExternCrate,rustObsoleteExternMod skipwhite skipempty +" syn keyword rustKeyword fun nextgroup=rustFuncName skipwhite skipempty +syn keyword rustKeyword unsafe where while lazy +syn keyword rustStorage and class constraint exception external include inherit let method module nonrec open private rec type val with +" FIXME: Scoped impl's name is also fallen in this category +" syn keyword rustStorageIdent let and module type nextgroup=rustIdentifier skipwhite skipempty + +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 match labelArgument "\(\l\|_\)\(\w\|'\)*::\(?\)\?"lc=0 "Allows any space between label name and :: +syn match labelArgumentPunned "::\(?\)\?\(\l\|_\)\(\w\|'\)*"lc=0 "Allows any space between label name and :: + +syn match rustEnumVariant "\<\u\(\w\|'\)*\>[^\.]"me=e-1 +" Polymorphic variants +syn match rustEnumVariant "`\w\(\w\|'\)*\>" + +syn match rustModPath "\<\u\w*\." + + +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 int float option list array unit ref bool string + +" 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 + +" 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 + +" 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 rustEscapeError display contained /\\./ +syn match rustEscape display contained /\\\([nrt0\\'"]\|x\x\{2}\)/ +syn match rustEscapeUnicode display contained /\\\(u\x\{4}\|U\x\{8}\)/ +syn match rustEscapeUnicode display contained /\\u{\x\{1,6}}/ +syn match rustStringContinuation display contained /\\\n\s*/ +syn region rustString start='{j|' end='|j}' contains=rustMacroVariable,@Spell +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 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 labelArgument Special +hi def link labelArgumentPunned Special +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 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 Function +hi def link rustModPath Macro +hi def link rustConstant Constant +hi def link rustSelf Constant +hi def link rustFloat Float +hi def link rustArrowCharacter rustOperator +hi def link rustOperator Keyword +hi def link rustKeyword Keyword +hi def link rustReservedKeyword Error +hi def link rustConditional StorageClass +hi def link rustIdentifier Identifier +hi def link rustCapsIdent rustIdentifier +hi def link rustFunction Function +hi def link rustFuncName Function +hi def link rustShebang Comment +hi def link rustCommentLine Comment +hi def link rustCommentLineDoc Comment +hi def link rustCommentBlock rustCommentLine +hi def link rustCommentBlockDoc rustCommentLineDoc +hi def link rustAssert PreCondit +hi def link rustPanic PreCondit +hi def link rustType Type +hi def link rustTodo Todo +hi def link rustAttribute PreProc +hi def link rustDerive PreProc +hi def link rustStorage Conditional +hi def link rustStorageIdent StorageClass +hi def link rustObsoleteStorage 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 + +syn sync minlines=200 +syn sync maxlines=500 + +let b:current_syntax = "rust" |