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Text File  |  2011-01-07  |  8.8 KB  |  187 lines
  1. " Vim syntax file
  2. " Language:         YAML (YAML Ain't Markup Language) 1.2
  3. " Maintainer:       Nikolai Pavlov <zyx.vim@gmail.com>
  4. " First author:     Nikolai Weibull <now@bitwi.se>
  5. " Latest Revision:  2010-10-08
  6.  
  7. if exists('b:current_syntax')
  8.     finish
  9. endif
  10.  
  11. let s:cpo_save = &cpo
  12. set cpo&vim
  13.  
  14. let s:ns_char = '\%(\%([\n\r\uFEFF \t]\)\@!\p\)'
  15. let s:ns_word_char = '\%(\w\|-\)'
  16. let s:ns_uri_char  = '\%(%\x\x\|'.s:ns_word_char.'\|[#/;?:@&=+$,.!~*''()\[\]]\)'
  17. let s:ns_tag_char  = '\%(%\x\x\|'.s:ns_word_char.'\|[#/;?:@&=+$.~*''()]\)'
  18. let s:c_ns_anchor_char = '\%(\%([\n\r\uFEFF \t,\[\]{}]\)\@!\p\)'
  19. let s:c_indicator      = '[\-?:,\[\]{}#&*!|>''"%@`]'
  20. let s:c_flow_indicator = '[,\[\]{}]'
  21.  
  22. let s:c_verbatim_tag = '!<'.s:ns_uri_char.'\+>'
  23. let s:c_named_tag_handle     = '!'.s:ns_word_char.'\+!'
  24. let s:c_secondary_tag_handle = '!!'
  25. let s:c_primary_tag_handle   = '!'
  26. let s:c_tag_handle = '\%('.s:c_named_tag_handle.
  27.             \         '\|'.s:c_secondary_tag_handle.
  28.             \         '\|'.s:c_primary_tag_handle.'\)'
  29. let s:c_ns_shorthand_tag = s:c_tag_handle . s:ns_tag_char.'\+'
  30. let s:c_non_specific_tag = '!'
  31. let s:c_ns_tag_property = s:c_verbatim_tag.
  32.             \        '\|'.s:c_ns_shorthand_tag.
  33.             \        '\|'.s:c_non_specific_tag
  34.  
  35. let s:c_ns_anchor_name = s:c_ns_anchor_char.'\+'
  36. let s:c_ns_anchor_property =  '&'.s:c_ns_anchor_name
  37. let s:c_ns_alias_node      = '\*'.s:c_ns_anchor_name
  38.  
  39. let s:ns_directive_name = s:ns_char.'\+'
  40.  
  41. let s:ns_local_tag_prefix  = '!'.s:ns_uri_char.'*'
  42. let s:ns_global_tag_prefix = s:ns_tag_char.s:ns_uri_char.'*'
  43. let s:ns_tag_prefix = s:ns_local_tag_prefix.
  44.             \    '\|'.s:ns_global_tag_prefix
  45.  
  46. let s:ns_plain_safe_out = s:ns_char
  47. let s:ns_plain_safe_in  = '\%('.s:c_flow_indicator.'\@!'.s:ns_char.'\)'
  48.  
  49. let s:ns_plain_first_in  = '\%('.s:c_indicator.'\@!'.s:ns_char.'\|[?:\-]\%('.s:ns_plain_safe_in.'\)\@=\)'
  50. let s:ns_plain_first_out = '\%('.s:c_indicator.'\@!'.s:ns_char.'\|[?:\-]\%('.s:ns_plain_safe_out.'\)\@=\)'
  51.  
  52. let s:ns_plain_char_in  = '\%('.s:ns_char.'#\|:'.s:ns_plain_safe_in.'\|[:#]\@!'.s:ns_plain_safe_in.'\)'
  53. let s:ns_plain_char_out = '\%('.s:ns_char.'#\|:'.s:ns_plain_safe_out.'\|[:#]\@!'.s:ns_plain_safe_out.'\)'
  54.  
  55. let s:ns_plain_out = s:ns_plain_first_out . s:ns_plain_char_out.'*'
  56. let s:ns_plain_in  = s:ns_plain_first_in  . s:ns_plain_char_in.'*'
  57.  
  58.  
  59. syn keyword yamlTodo            contained TODO FIXME XXX NOTE
  60.  
  61. syn region  yamlComment         display oneline start='\%\(^\|\s\)#' end='$'
  62.             \                   contains=yamlTodo
  63.  
  64. execute 'syn region yamlDirective oneline start='.string('^\ze%'.s:ns_directive_name.'\s\+').' '.
  65.             \                            'end="$" '.
  66.             \                            'contains=yamlTAGDirective,'.
  67.             \                                     'yamlYAMLDirective,'.
  68.             \                                     'yamlReservedDirective '.
  69.             \                            'keepend'
  70.  
  71. syn match yamlTAGDirective '%TAG\s\+' contained nextgroup=yamlTagHandle
  72. execute 'syn match yamlTagHandle contained nextgroup=yamlTagPrefix '.string(s:c_tag_handle.'\s\+')
  73. execute 'syn match yamlTagPrefix contained nextgroup=yamlComment ' . string(s:ns_tag_prefix)
  74.  
  75. syn match yamlYAMLDirective '%YAML\s\+'  contained nextgroup=yamlYAMLVersion
  76. syn match yamlYAMLVersion   '\d\+\.\d\+' contained nextgroup=yamlComment
  77.  
  78. execute 'syn match yamlReservedDirective contained nextgroup=yamlComment '.
  79.             \string('%\%(\%(TAG\|YAML\)\s\)\@!'.s:ns_directive_name)
  80.  
  81. syn region yamlFlowString matchgroup=yamlFlowStringDelimiter start='"' skip='\\"' end='"'
  82.             \ contains=yamlEscape
  83.             \ nextgroup=yamlKeyValueDelimiter
  84. syn region yamlFlowString matchgroup=yamlFlowStringDelimiter start="'" skip="''"  end="'"
  85.             \ contains=yamlSingleEscape
  86.             \ nextgroup=yamlKeyValueDelimiter
  87. syn match  yamlEscape contained '\\\%([\\"abefnrtv\^0_ NLP\n]\|x\x\x\|u\x\{4}\|U\x\{8}\)'
  88. syn match  yamlSingleEscape contained "''"
  89.  
  90. syn match yamlBlockScalarHeader contained '\s\+\zs[|>]\%([+-]\=[1-9]\|[1-9]\=[+-]\)\='
  91.  
  92. syn cluster yamlFlow contains=yamlFlowString,yamlFlowMapping,yamlFlowCollection
  93. syn cluster yamlFlow      add=yamlFlowMappingKey,yamlFlowMappingMerge
  94. syn cluster yamlFlow      add=yamlConstant,yamlPlainScalar,yamlFloat
  95. syn cluster yamlFlow      add=yamlTimestamp,yamlInteger,yamlMappingKeyStart
  96. syn cluster yamlFlow      add=yamlComment
  97. syn region yamlFlowMapping    matchgroup=yamlFlowIndicator start='{' end='}' contains=@yamlFlow
  98. syn region yamlFlowCollection matchgroup=yamlFlowIndicator start='\[' end='\]' contains=@yamlFlow
  99.  
  100. execute 'syn match yamlPlainScalar /'.s:ns_plain_out.'/'
  101. execute 'syn match yamlPlainScalar contained /'.s:ns_plain_in.'/'
  102.  
  103. syn match yamlMappingKeyStart '?\ze\s'
  104. syn match yamlMappingKeyStart '?' contained
  105.  
  106. execute 'syn match yamlFlowMappingKey /'.s:ns_plain_in.'\ze\s*:/ contained '.
  107.             \'nextgroup=yamlKeyValueDelimiter'
  108. syn match yamlFlowMappingMerge /<<\ze\s*:/ contained nextgroup=yamlKeyValueDelimiter
  109.  
  110. syn match yamlBlockCollectionItemStart '^\s*\zs-\%(\s\+-\)*\s' nextgroup=yamlBlockMappingKey,yamlBlockMappingMerge
  111. execute 'syn match yamlBlockMappingKey /^\s*\zs'.s:ns_plain_out.'\ze\s*:\%(\s\|$\)/ '.
  112.             \'nextgroup=yamlKeyValueDelimiter'
  113. execute 'syn match yamlBlockMappingKey /\s*\zs'.s:ns_plain_out.'\ze\s*:\%(\s\|$\)/ contained '.
  114.             \'nextgroup=yamlKeyValueDelimiter'
  115. syn match yamlBlockMappingMerge /^\s*\zs<<\ze:\%(\s\|$\)/ nextgroup=yamlKeyValueDelimiter
  116. syn match yamlBlockMappingMerge /<<\ze\s*:\%(\s\|$\)/ nextgroup=yamlKeyValueDelimiter contained
  117.  
  118. syn match   yamlKeyValueDelimiter /\s*:/ contained
  119. syn match   yamlKeyValueDelimiter /\s*:/ contained
  120.  
  121. syn keyword yamlConstant true True TRUE false False FALSE
  122. syn keyword yamlConstant null Null NULL
  123. syn match   yamlConstant '\<\~\>'
  124.  
  125. syn match   yamlTimestamp /\%([\[\]{}, \t]\@!\p\)\@<!\%(\d\{4}-\d\d\=-\d\d\=\%(\%([Tt]\|\s\+\)\%(\d\d\=\):\%(\d\d\):\%(\d\d\)\%(\.\%(\d*\)\)\=\%(\s*\%(Z\|[+-]\d\d\=\%(:\d\d\)\=\)\)\=\)\=\)\%([\[\]{}, \t]\@!\p\)\@!/
  126.  
  127. syn match   yamlInteger /\%([\[\]{}, \t]\@!\p\)\@<!\%([+-]\=\%(0\%(b[0-1_]\+\|[0-7_]\+\|x[0-9a-fA-F_]\+\)\=\|\%([1-9][0-9_]*\%(:[0-5]\=\d\)\+\)\)\|[1-9][0-9_]*\)\%([\[\]{}, \t]\@!\p\)\@!/
  128. syn match   yamlFloat   /\%([\[\]{}, \t]\@!\p\)\@<!\%([+-]\=\%(\%(\d[0-9_]*\)\.[0-9_]*\%([eE][+-]\d\+\)\=\|\.[0-9_]\+\%([eE][-+][0-9]\+\)\=\|\d[0-9_]*\%(:[0-5]\=\d\)\+\.[0-9_]*\|\.\%(inf\|Inf\|INF\)\)\|\%(\.\%(nan\|NaN\|NAN\)\)\)\%([\[\]{}, \t]\@!\p\)\@!/
  129.  
  130. execute 'syn match yamlNodeTag '.string(s:c_ns_tag_property)
  131. execute 'syn match yamlAnchor  '.string(s:c_ns_anchor_property)
  132. execute 'syn match yamlAlias   '.string(s:c_ns_alias_node)
  133.  
  134. syn match yamlDocumentStart '^---\ze\%(\s\|$\)'
  135. syn match yamlDocumentEnd   '^\.\.\.\ze\%(\s\|$\)'
  136.  
  137. hi def link yamlTodo                     Todo
  138. hi def link yamlComment                  Comment
  139.  
  140. hi def link yamlDocumentStart            PreProc
  141. hi def link yamlDocumentEnd              PreProc
  142.  
  143. hi def link yamlDirectiveName            Keyword
  144.  
  145. hi def link yamlTAGDirective             yamlDirectiveName
  146. hi def link yamlTagHandle                String
  147. hi def link yamlTagPrefix                String
  148.  
  149. hi def link yamlYAMLDirective            yamlDirectiveName
  150. hi def link yamlReservedDirective        Error
  151. hi def link yamlYAMLVersion              Number
  152.  
  153. hi def link yamlString                   String
  154. hi def link yamlFlowString               yamlString
  155. hi def link yamlFlowStringDelimiter      yamlString
  156. hi def link yamlEscape                   SpecialChar
  157. hi def link yamlSingleEscape             SpecialChar
  158.  
  159. hi def link yamlBlockCollectionItemStart Label
  160. hi def link yamlBlockMappingKey          Identifier
  161. hi def link yamlBlockMappingMerge        Special
  162.  
  163. hi def link yamlFlowMappingKey           Identifier
  164. hi def link yamlFlowMappingMerge         Special
  165.  
  166. hi def link yamlMappingKeyStart          Special
  167. hi def link yamlFlowIndicator            Special
  168. hi def link yamlKeyValueDelimiter        Special
  169.  
  170. hi def link yamlConstant                 Constant
  171.  
  172. hi def link yamlAnchor                   Type
  173. hi def link yamlAlias                    Type
  174. hi def link yamlNodeTag                  Type
  175.  
  176. hi def link yamlInteger                  Number
  177. hi def link yamlFloat                    Float
  178. hi def link yamlTimestamp                Number
  179.  
  180. let b:current_syntax = "yaml"
  181.  
  182. unlet s:ns_word_char s:ns_uri_char s:c_verbatim_tag s:c_named_tag_handle s:c_secondary_tag_handle s:c_primary_tag_handle s:c_tag_handle s:ns_tag_char s:c_ns_shorthand_tag s:c_non_specific_tag s:c_ns_tag_property s:c_ns_anchor_char s:c_ns_anchor_name s:c_ns_anchor_property s:c_ns_alias_node s:ns_char s:ns_directive_name s:ns_local_tag_prefix s:ns_global_tag_prefix s:ns_tag_prefix s:c_indicator s:ns_plain_safe_out s:c_flow_indicator s:ns_plain_safe_in s:ns_plain_first_in s:ns_plain_first_out s:ns_plain_char_in s:ns_plain_char_out s:ns_plain_out s:ns_plain_in
  183.  
  184. let &cpo = s:cpo_save
  185. unlet s:cpo_save
  186.  
  187.