vim/syntax/yaml.vim

   1 " Vim syntax file
   2 " Language:     YAML
   3 " Maintainer:   motemen <motemen@gmail.com>
   4 " Version:      20070822
   5
   6 syntax clear
   7
   8 if !exists('g:yaml_syntax_highlight_numbers')
   9     let g:yaml_syntax_highlight_numbers = 0
  10 endif
  11
  12 syn match  yamlValue contained +\s*\%(#.*\)\?+ contains=yamlComment nextgroup=yamlType,yamlLabel,yamlFlowMap,yamlFlowSeq,yamlBool,yamlNull,yamlTextBlock,yamlString,yamlTimestamp,yamlInt,yamlFloat,yamlPlainString
  13
  14 " Plain string
  15 syn match  yamlPlainString       contained +.\++
  16 syn match  yamlPlainStringInFlow contained +[^}\],]\++
  17
  18 " Number
  19 if g:yaml_syntax_highlight_numbers
  20     syn match  yamlInt contained /[-+]\?\%(0\|[1-9][0-9_]*\)\+\%(\.\|[0-9]\)\@!/
  21     syn match  yamlInt contained /[-+]\?0b[0-1_]\+/
  22     syn match  yamlInt contained /[-+]\?0[0-7_]\+/
  23     syn match  yamlInt contained /[-+]\?0x[0-9a-fA-F_]\+/
  24     syn match  yamlInt contained /[-+]\?[1-9][0-9_]*\%(:[0-5]\?[0-9]\)\+/
  25     syn match  yamlFloat contained /[-+]\?\%([0-9][0-9_]*\)\?\.[0-9_]\+\%([eE][-+][0-9]\+\)\?\%(\.\|[0-9]\)\@!/
  26     syn match  yamlFloat contained /[-+]\?[0-9][0-9_]*\%(:[0-5]\?[0-9]\)\+\.[0-9_]*/
  27 endif
  28 syn match  yamlFloat contained /[-+]\?\.\%(inf\|Inf\|INF\)\s*\%(#.*\)\?$/
  29 syn match  yamlFloat contained /\.\%(nan\|NaN\|NAN\)\s*\%(#.*\)\?$/
  30
  31 " Timestamp
  32 syn match  yamlTimestamp contained /[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]/
  33 syn match  yamlTimestamp contained /[0-9][0-9][0-9][0-9]-[0-9][0-9]\?-[0-9][0-9]\?\%([Tt]\|[ \t]\+\)[0-9][0-9]\?:[0-9][0-9]:[0-9][0-9]\%(\.[0-9]*\)\?\%([ \t]*Z\|[-+][0-9][0-9]\?\%(:[0-9][0-9]\)\?\)\?/
  34
  35 " Flow sequence
  36 syn region yamlFlowSeq matchgroup=Delimiter start=+\[+ end=+\]+ contains=yamlKeyInFlow,yamlQuotedKeyInFlow,yamlComma
  37
  38 " Flow mapping
  39 syn region yamlFlowMap matchgroup=Delimiter start=+{+ end=+}+ contains=yamlKeyInFlow,yamlQuotedKeyInFlow,yamlComma
  40
  41 " Flow mapping/sequence
  42 syn match  yamlComma +,+
  43
  44 syn match  yamlKeyColonInFlow  contained +:+ nextgroup=yamlValueInFlow
  45 syn match  yamlValueInFlow     contained +\s*+ nextgroup=yamlTypeInFlow,yamlFlowMap,yamlFlowSeq,yamlConstant,yamlTextBlock,yamlString,yamlPlainStringInFlow
  46 syn match  yamlKeyInFlow       contained +[^,#'" ][^}\]]\{-}\ze:+ nextgroup=yamlKeyColonInFlow
  47 syn region yamlQuotedKeyInFlow contained matchgroup=String start=+"+rs=e skip=+\\"+ end=+"\s*\ze:+ contains=yamlEscape nextgroup=yamlKeyColonInFlow
  48 syn region yamlQuotedKeyInFlow contained matchgroup=String start=+'+rs=e skip=+''+  end=+'\s*\ze:+ contains=yamlSingleEscape nextgroup=yamlKeyColonInFlow
  49
  50 " Block mapping
  51 syn match  yamlKeyColon  +:+ nextgroup=yamlValue
  52 syn match  yamlKey       +[^#'"{\[ ]\%(.\)\{-}\ze:\%( \|$\)+ nextgroup=yamlKeyColon
  53 syn region yamlQuotedKey matchgroup=String start=+"+rs=e skip=+\\"+ end=+"\s*\ze:+ contains=yamlEscape       nextgroup=yamlKeyColon
  54 syn region yamlQuotedKey matchgroup=String start=+'+rs=e skip=+''+  end=+'\s*\ze:+ contains=yamlSingleEscape nextgroup=yamlKeyColon
  55 syn region yamlKey matchgroup=Delimiter start=+?+ end=+:+rs=e-1 contains=yamlValue nextgroup=yamlKeyColon
  56
  57 " Block sequence
  58 syn match  yamlSeqMark   +-\s*+ nextgroup=yamlValue,yamlKey
  59
  60 " Label
  61 syn match  yamlLabel contained +[*&]\S\++
  62
  63 " Comment
  64 syn keyword yamlTodo    contained TODO FIXME XXX NOTE
  65 syn match   yamlComment +#.*+ contains=yamlTodo
  66 syn region  yamlComment start=+^\.\.\.+ end=+\%$+ contains=yamlTodo
  67
  68 " String
  69 syn region yamlString       contained start=+"+ skip=+\\"+ end=+"+ contains=yamlEscape
  70 syn region yamlString       contained start=+'+ skip=+''+  end=+'+ contains=yamlSingleEscape
  71 syn match  yamlEscape       contained +\\[\\"abefnrtv^0_ NLP]+
  72 syn match  yamlEscape       contained '\\x\x\{2}'
  73 syn match  yamlEscape       contained '\\u\x\{4}'
  74 syn match  yamlEscape       contained '\\U\x\{8}'
  75 syn match  yamlEscape       contained '\\\%(\r\n\|[\r\n]\)'
  76 syn match  yamlSingleEscape contained +''+
  77
  78 " Type
  79 syn match  yamlType +!\S*+ nextgroup=yamlValue
  80
  81 " Block style
  82 syn region yamlTextBlock start=/[|>][+-]\?\%([1-9]\d*\)\?\n\z\( \+\)/ end=/^\%(\z1\|$\)\@!/
  83
  84 " Constant
  85 syn match  yamlBool     +\%(y\|Y\|yes\|Yes\|YES\|n\|N\|no\|No\|NO\|true\|True\|TRUE\|false\|False\|FALSE\|on\|On\|ON\|off\|Off\|OFF\)\ze\s*\%(#.*\)\?$+ contained
  86 syn match  yamlNull     +\%(null\|\~\)\ze\s*\%(#.*\)\?$+ contained
  87
  88 " Directive
  89 syn match  yamlDirective +^%[^#]*\%(#.*\)\?$+ contains=yamlComment
  90 syn match  yamlDocHeader +^---\s*+
  91
  92 highlight link yamlTodo            TODO
  93 highlight link yamlComment         Comment
  94 highlight link yamlKeyColon        Delimiter
  95 highlight link yamlKeyColonInFlow  Delimiter
  96 highlight link yamlSeqMark         Delimiter
  97 highlight link yamlKey             Identifier
  98 highlight link yamlQuotedKey       Identifier
  99 highlight link yamlKeyInFlow       Identifier
 100 highlight link yamlQuotedKeyInFlow Identifier
 101 highlight link yamlBool            Constant
 102 highlight link yamlNull            Constant
 103 highlight link yamlTextBlock       String
 104 highlight link yamlType            Type
 105 highlight link yamlDocHeader       Statement
 106 highlight link yamlDirective       PreProc
 107 highlight link yamlLabel           Label
 108 highlight link yamlInt             Number
 109 highlight link yamlFloat           Number