143 lines
5.5 KiB
VimL
143 lines
5.5 KiB
VimL
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" Vim syntax file
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" Language: YAML (YAML Ain't Markup Language)
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" Maintainer: Benji Fisher, Ph.D. <benji@FisherFam.org>
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" Author: Chase Colman <chase@colman.io>
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" Author: Igor Vergeichik <iverg@mail.ru>
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" Author: Nikolai Weibull <now@bitwi.se>
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" Sponsor: Tom Sawyer <transfire@gmail.com>
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" Latest Revision: 2014-12-08
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if !exists("main_syntax")
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if version < 600
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syntax clear
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elseif exists("b:current_syntax")
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finish
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endif
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let main_syntax = 'yaml'
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endif
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let s:cpo_save = &cpo
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set cpo&vim
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" Allows keyword matches containing -
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setl iskeyword+=-
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syn keyword yamlTodo contained TODO FIXME XXX NOTE
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syn region yamlDocumentHeader start='---' end='$' contains=yamlDirective
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syn match yamlDocumentEnd '\.\.\.'
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syn match yamlDirective contained '%[^:]\+:.\+'
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syn region yamlComment display oneline start='\%(^\|\s\)#' end='$'
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\ contains=yamlTodo,@Spell
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syn match yamlNodeProperty "!\%(![^\\^% ]\+\|[^!][^:/ ]*\)"
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syn match yamlAnchor "&.\+"
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syn match yamlAlias "\*.\+"
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syn match yamlDelimiter "[-,:]\s*" contained
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syn match yamlBlock "[\[\]\{\}>|]"
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syn match yamlOperator '[?+-]'
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" - yamlBlock is contained here in the mapping because having the mapping end
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" at $ clobbers detecting yamlBlock endings.
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" - Without re-writing quite a bit of this logic this seems like the cleanest
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" way to fix this
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syn region yamlMapping start='\w\+\%(\s\+\w\+\)*\s*\ze:' end='$' keepend oneline contains=yamlKey,yamlScalar,yamlBlock
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syn match yamlScalar '\%(\W*\w\+\)\{2,}' contained contains=yamlTimestamp,yamlString,@yamlTypes,yamlBlock
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syn cluster yamlTypes contains=yamlInteger,yamlFloating,yamlNumber,yamlBoolean,yamlConstant,yamlNull,yamlTime
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syn match yamlKey '\w\+\%(\s\+\w\+\)*\s*:' contained nextgroup=@yamlTypes contains=yamlDelimiter
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" Predefined data types
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" Yaml Integer type
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syn match yamlInteger "\<[-+]\?\(0\|[1-9][0-9,]*\)\s*$" contained
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syn match yamlInteger "\<[-+]\?0[xX][0-9a-fA-F,]\+\s*$" contained
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" floating point number
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syn match yamlFloating "\<\d\+\.\d*\(e[-+]\=\d\+\)\=[fl]\=\s*$" contained
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syn match yamlFloating "\.\d\+\(e[-+]\=\d\+\)\=[fl]\=\s*$" contained
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syn match yamlFloating "\<\d\+e[-+]\=\d\+[fl]\=\s*$" contained
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syn match yamlFloating "\<\(([+-]\?inf)\).*$\|\((NaN)\)\s*$" contained
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syn match yamlNumber '\<[+-]\=\d\+\%(\.\d\+\%([eE][+-]\=\d\+\)\=\)\=\s*$' contained
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syn match yamlNumber '\<0\o\+\s*$' contained
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syn match yamlNumber '\<0x\x\+\s*$' contained
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syn match yamlNumber '\<([+-]\=[iI]nf)\s*$' contained
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" Boolean
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syn keyword yamlBoolean true True TRUE false False FALSE yes Yes YES no No NO on On ON off Off OFF contained
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syn match yamlBoolean ":.*\zs\W[+-]\(\W\|$\)" contained
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syn match yamlConstant '\<[~yn]\s*$' contained
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" Null
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syn keyword yamlNull null Null NULL nil Nil NIL contained
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syn match yamlNull "\W[~]\(\W\|$\)" contained
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syn match yamlTimestamp '\d\d\d\d-\%(1[0-2]\|\d\)-\%(3[0-2]\|2\d\|1\d\|\d\)\%( \%([01]\d\|2[0-3]\):[0-5]\d:[0-5]\d.\d\d [+-]\%([01]\d\|2[0-3]\):[0-5]\d\|t\%([01]\d\|2[0-3]\):[0-5]\d:[0-5]\d.\d\d[+-]\%([01]\d\|2[0-3]\):[0-5]\d\|T\%([01]\d\|2[0-3]\):[0-5]\d:[0-5]\d.\dZ\)\=' contained
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" Single and double quoted scalars
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syn region yamlString oneline start="'" end="'" skip="\\'"
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\ contains=yamlSingleEscape
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syn region yamlString oneline start='"' end='"' skip='\\"'
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\ contains=yamlEscape
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" Escaped symbols
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" every charater preceeded with slash is escaped one
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syn match yamlEscape "\\."
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" 2,4 and 8-digit escapes
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syn match yamlEscape "\\\(x\x\{2\}\|u\x\{4\}\|U\x\{8\}\)"
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syn match yamlEscape contained display +\\[\\"abefnrtv^0_ NLP]+
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syn match yamlEscape contained display '\\x\x\{2}'
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syn match yamlEscape contained display '\\u\x\{4}'
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syn match yamlEscape contained display '\\U\x\{8}'
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syn match yamlEscape display '\\\%(\r\n\|[\r\n]\)'
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syn match yamlSingleEscape contained display +''+
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syn match yamlAnchor "&\S\+"
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syn match yamlAlias "*\S\+"
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syn match yamlType "![^\s]\+\s\@="
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if version >= 508 || !exist("did_yaml_syn")
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if version < 508
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let did_yaml_syn = 1
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command -nargs=+ HiLink hi link <args>
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else
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command -nargs=+ HiLink hi def link <args>
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endif
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HiLink yamlKey Identifier
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HiLink yamlType Type
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HiLink yamlInteger Number
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HiLink yamlFloating Float
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HiLink yamlNumber Number
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HiLink yamlEscape Special
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HiLink yamlSingleEscape SpecialChar
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HiLink yamlComment Comment
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HiLink yamlBlock Operator
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HiLink yamlDelimiter Delimiter
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HiLink yamlString String
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HiLink yamlBoolean Boolean
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HiLink yamlNull Boolean
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HiLink yamlTodo Todo
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HiLink yamlDocumentHeader PreProc
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HiLink yamlDocumentEnd PreProc
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HiLink yamlDirective Keyword
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HiLink yamlNodeProperty Type
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HiLink yamlAnchor Type
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HiLink yamlAlias Type
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HiLink yamlOperator Operator
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HiLink yamlScalar String
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HiLink yamlConstant Constant
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HiLink yamlTimestamp Number
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delcommand HiLink
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endif
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let b:current_syntax = "yaml"
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let &cpo = s:cpo_save
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unlet s:cpo_save
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if main_syntax == "yaml"
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unlet main_syntax
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endif
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