mirror of
https://github.com/neovim/neovim.git
synced 2024-09-17 20:58:20 -04:00
a5d5b9f36b
fixes: vim/vim#15196
closes: vim/vim#15313
aa495124f8
Co-authored-by: itchyny <itchyny@cybozu.co.jp>
276 lines
15 KiB
VimL
276 lines
15 KiB
VimL
" Vim syntax file
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" Language: YAML (YAML Ain't Markup Language) 1.2
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" Maintainer: Nikolai Pavlov <zyx.vim@gmail.com>
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" First author: Nikolai Weibull <now@bitwi.se>
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" Latest Revision: 2024-04-01
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if exists('b:current_syntax')
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finish
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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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" Choose the schema to use
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" TODO: Validate schema
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if !exists('b:yaml_schema')
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if exists('g:yaml_schema')
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let b:yaml_schema = g:yaml_schema
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else
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let b:yaml_schema = 'core'
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endif
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endif
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let s:ns_char = '\%([\n\r\uFEFF \t]\@!\p\)'
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let s:ns_word_char = '[[:alnum:]_\-]'
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let s:ns_uri_char = '\%(%\x\x\|'.s:ns_word_char.'\|[#/;?:@&=+$,.!~*''()[\]]\)'
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let s:ns_tag_char = '\%(%\x\x\|'.s:ns_word_char.'\|[#/;?:@&=+$.~*''()]\)'
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let s:c_indicator = '[\-?:,[\]{}#&*!|>''"%@`]'
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let s:c_flow_indicator = '[,[\]{}]'
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let s:ns_anchor_char = substitute(s:ns_char, '\v\C[\zs', '\=s:c_flow_indicator[1:-2]', '')
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let s:ns_char_without_c_indicator = substitute(s:ns_char, '\v\C[\zs', '\=s:c_indicator[1:-2]', '')
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let s:_collection = '[^\@!\(\%(\\\.\|\[^\\\]]\)\+\)]'
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let s:_neg_collection = '[^\(\%(\\\.\|\[^\\\]]\)\+\)]'
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function s:SimplifyToAssumeAllPrintable(p)
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return substitute(a:p, '\V\C\\%('.s:_collection.'\\@!\\p\\)', '[^\1]', '')
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endfunction
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let s:ns_char = s:SimplifyToAssumeAllPrintable(s:ns_char)
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let s:ns_anchor_char = s:SimplifyToAssumeAllPrintable(s:ns_anchor_char)
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let s:ns_char_without_c_indicator = s:SimplifyToAssumeAllPrintable(s:ns_char_without_c_indicator)
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function s:SimplifyAdjacentCollections(p)
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return substitute(a:p, '\V\C'.s:_collection.'\\|'.s:_collection, '[\1\2]', 'g')
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endfunction
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let s:ns_uri_char = s:SimplifyAdjacentCollections(s:ns_uri_char)
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let s:ns_tag_char = s:SimplifyAdjacentCollections(s:ns_tag_char)
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let s:c_verbatim_tag = '!<'.s:ns_uri_char.'\+>'
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let s:c_named_tag_handle = '!'.s:ns_word_char.'\+!'
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let s:c_secondary_tag_handle = '!!'
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let s:c_primary_tag_handle = '!'
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let s:c_tag_handle = '\%('.s:c_named_tag_handle.
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\ '\|'.s:c_secondary_tag_handle.
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\ '\|'.s:c_primary_tag_handle.'\)'
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let s:c_ns_shorthand_tag = s:c_tag_handle . s:ns_tag_char.'\+'
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let s:c_non_specific_tag = '!'
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let s:c_ns_tag_property = s:c_verbatim_tag.
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\ '\|'.s:c_ns_shorthand_tag.
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\ '\|'.s:c_non_specific_tag
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let s:c_ns_anchor_name = s:ns_anchor_char.'\+'
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let s:c_ns_anchor_property = '&'.s:c_ns_anchor_name
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let s:c_ns_alias_node = '\*'.s:c_ns_anchor_name
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let s:c_ns_properties = '\%(\%('.s:c_ns_tag_property.'\|'.s:c_ns_anchor_property.'\)\s\+\)\+'
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let s:ns_directive_name = s:ns_char.'\+'
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let s:ns_local_tag_prefix = '!'.s:ns_uri_char.'*'
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let s:ns_global_tag_prefix = s:ns_tag_char.s:ns_uri_char.'*'
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let s:ns_tag_prefix = s:ns_local_tag_prefix.
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\ '\|'.s:ns_global_tag_prefix
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let s:ns_plain_safe_out = s:ns_char
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let s:ns_plain_safe_in = '\%('.s:c_flow_indicator.'\@!'.s:ns_char.'\)'
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let s:ns_plain_safe_in = substitute(s:ns_plain_safe_in, '\V\C\\%('.s:_collection.'\\@!'.s:_neg_collection.'\\)', '[^\1\2]', '')
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let s:ns_plain_safe_in_without_colhash = substitute(s:ns_plain_safe_in, '\V\C'.s:_neg_collection, '[^\1:#]', '')
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let s:ns_plain_safe_out_without_colhash = substitute(s:ns_plain_safe_out, '\V\C'.s:_neg_collection, '[^\1:#]', '')
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let s:ns_plain_first_in = '\%('.s:ns_char_without_c_indicator.'\|[?:\-]\%('.s:ns_plain_safe_in.'\)\@=\)'
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let s:ns_plain_first_out = '\%('.s:ns_char_without_c_indicator.'\|[?:\-]\%('.s:ns_plain_safe_out.'\)\@=\)'
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let s:ns_plain_char_in = '\%('.s:ns_char.'#\|:'.s:ns_plain_safe_in.'\|'.s:ns_plain_safe_in_without_colhash.'\)'
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let s:ns_plain_char_out = '\%('.s:ns_char.'#\|:'.s:ns_plain_safe_out.'\|'.s:ns_plain_safe_out_without_colhash.'\)'
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let s:ns_plain_out = s:ns_plain_first_out . s:ns_plain_char_out.'*'
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let s:ns_plain_in = s:ns_plain_first_in . s:ns_plain_char_in.'*'
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syn keyword yamlTodo contained TODO FIXME XXX NOTE
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syn region yamlComment display oneline start='\%\(^\|\s\)#' end='$'
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\ contains=yamlTodo
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execute 'syn region yamlDirective oneline start='.string('^\ze%'.s:ns_directive_name.'\s\+').' '.
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\ 'end="$" '.
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\ 'contains=yamlTAGDirective,'.
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\ 'yamlYAMLDirective,'.
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\ 'yamlReservedDirective '.
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\ 'keepend'
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syn match yamlTAGDirective /%TAG\ze\s/ contained nextgroup=yamlTagHandle skipwhite
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execute 'syn match yamlTagHandle' string(s:c_tag_handle) 'contained nextgroup=yamlTagPrefix skipwhite'
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execute 'syn match yamlTagPrefix' string(s:ns_tag_prefix) 'contained nextgroup=yamlComment skipwhite'
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syn match yamlYAMLDirective /%YAML\ze\s/ contained nextgroup=yamlYAMLVersion skipwhite
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syn match yamlYAMLVersion /\d\+\.\d\+/ contained nextgroup=yamlComment skipwhite
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execute 'syn match yamlReservedDirective contained nextgroup=yamlComment '.
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\string('%\%(\%(TAG\|YAML\)\s\)\@!'.s:ns_directive_name)
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syn region yamlFlowString matchgroup=yamlFlowStringDelimiter start='"' skip='\\"' end='"'
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\ contains=yamlEscape contained nextgroup=yamlFlowMappingDelimiter,yamlComment skipwhite
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syn region yamlFlowString matchgroup=yamlFlowStringDelimiter start="'" skip="''" end="'"
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\ contains=yamlSingleEscape contained nextgroup=yamlFlowMappingDelimiter,yamlComment skipwhite
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syn match yamlEscape contained '\\\%([\\"abefnrtv\^0_ NLP\n]\|x\x\x\|u\x\{4}\|U\x\{8}\)'
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syn match yamlSingleEscape contained "''"
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syn cluster yamlConstant contains=yamlBool,yamlNull
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syn cluster yamlFlowNode contains=yamlFlowString,yamlFlowMapping,yamlFlowCollection
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syn cluster yamlFlowNode add=yamlFlowMappingKey,yamlFlowMappingKeyStart,yamlFlowMappingMerge
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syn cluster yamlFlowNode add=@yamlConstant,yamlPlainScalar,yamlFloat,yamlComment
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syn cluster yamlFlowNode add=yamlTimestamp,yamlInteger,yamlAlias,yamlFlowNodeProperties
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syn region yamlFlowMapping matchgroup=yamlFlowIndicator start='{\@<!{{\@!' end='}' contains=@yamlFlowNode
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syn region yamlFlowCollection matchgroup=yamlFlowIndicator start='\[' end='\]' contains=@yamlFlowNode
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execute 'syn match yamlPlainScalar /'.s:ns_plain_out.'/'
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execute 'syn match yamlPlainScalar contained /'.s:ns_plain_in.'/'
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execute 'syn match yamlFlowMappingKey /'.s:ns_plain_in.'\%(\s\+'.s:ns_plain_in.'\)*\ze\s*:\%(\s\|$\)/ contained '.
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\'nextgroup=yamlFlowMappingDelimiter skipwhite'
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syn match yamlFlowMappingKeyStart /?/ contained nextgroup=@yamlFlowNode skipwhite
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syn match yamlFlowMappingMerge /<<\ze\s*:/ contained nextgroup=yamlFlowMappingDelimiter skipwhite
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syn match yamlFlowMappingDelimiter /:/ contained nextgroup=@yamlFlowNode skipwhite
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execute 'syn match yamlFlowNodeProperties' string(s:c_ns_properties)
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\ 'contained contains=yamlNodeTag,yamlAnchor nextgroup=@yamlFlowNode skipwhite'
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execute 'syn match yamlBlockMappingKey /^\s*\zs'.s:ns_plain_out.'\%(\s\+'.s:ns_plain_out.'\)*\ze\s*:\%(\s\|$\)/ '.
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\'nextgroup=yamlBlockMappingDelimiter skipwhite'
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execute 'syn match yamlBlockMappingKey /'.s:ns_plain_out.'\%(\s\+'.s:ns_plain_out.'\)*\ze\s*:\%(\s\|$\)/ contained '.
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\'nextgroup=yamlBlockMappingDelimiter skipwhite'
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syn match yamlBlockMappingKeyString /^\s*\zs\%("\%([^"]\|\\"\)*"\|'\%([^']\|''\)*'\)\ze\s*:\%(\s\|$\)/
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\ contains=yamlFlowString nextgroup=yamlBlockMappingDelimiter skipwhite
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syn match yamlBlockMappingKeyString /\%("\%([^"]\|\\"\)*"\|'\%([^']\|''\)*'\)\ze\s*:\%(\s\|$\)/ contained
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\ contains=yamlFlowString nextgroup=yamlBlockMappingDelimiter skipwhite
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syn match yamlBlockMappingMerge /^\s*\zs<<\ze\s*:\%(\s\|$\)/ nextgroup=yamlBlockMappingDelimiter skipwhite
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syn match yamlBlockMappingMerge /<<\ze\s*:\%(\s\|$\)/ contained nextgroup=yamlBlockMappingDelimiter skipwhite
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syn match yamlBlockMappingDelimiter /^\s*\zs:\ze\%(\s\|$\)/ nextgroup=@yamlBlockNode skipwhite
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syn match yamlBlockMappingDelimiter /:\ze\%(\s\|$\)/ contained nextgroup=@yamlBlockNode skipwhite
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syn match yamlBlockMappingKeyStart /^\s*\zs?\ze\%(\s\|$\)/ nextgroup=@yamlBlockNode skipwhite
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syn match yamlBlockMappingKeyStart /?\ze\%(\s\|$\)/ contained nextgroup=@yamlBlockNode skipwhite
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syn match yamlBlockCollectionItemStart /^\s*\zs-\ze\%(\s\|$\)/ nextgroup=@yamlBlockNode skipwhite
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syn match yamlBlockCollectionItemStart /-\ze\%(\s\|$\)/ contained nextgroup=@yamlBlockNode skipwhite
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execute 'syn match yamlBlockNodeProperties' string(s:c_ns_properties)
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\ 'contained contains=yamlNodeTag,yamlAnchor nextgroup=@yamlFlowNode,yamlBlockScalarHeader skipwhite'
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syn match yamlBlockScalarHeader '[|>]\%([1-9][+-]\|[+-]\?[1-9]\?\)\%(\s\+#.*\)\?$' contained
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\ contains=yamlComment nextgroup=yamlBlockString skipnl
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syn region yamlBlockString start=/^\z(\s\+\)/ skip=/^$/ end=/^\%(\z1\)\@!/ contained
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syn cluster yamlBlockNode contains=@yamlFlowNode,yamlBlockMappingKey,yamlBlockMappingKeyString,
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\yamlBlockMappingMerge,yamlBlockMappingKeyStart,yamlBlockCollectionItemStart,
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\yamlBlockNodeProperties,yamlBlockScalarHeader
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syn cluster yamlScalarWithSpecials contains=yamlPlainScalar,yamlBlockMappingKey,yamlFlowMappingKey
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let s:_bounder = s:SimplifyToAssumeAllPrintable('\%([[\]{}, \t]\@!\p\)')
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if b:yaml_schema is# 'json'
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syn keyword yamlNull null contained containedin=@yamlScalarWithSpecials
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syn keyword yamlBool true false
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exe 'syn match yamlInteger /'.s:_bounder.'\@1<!\%(0\|-\=[1-9][0-9]*\)'.s:_bounder.'\@!/ contained containedin=@yamlScalarWithSpecials'
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exe 'syn match yamlFloat /'.s:_bounder.'\@1<!\%(-\=[1-9][0-9]*\%(\.[0-9]*\)\=\(e[-+]\=[0-9]\+\)\=\|0\|-\=\.inf\|\.nan\)'.s:_bounder.'\@!/ contained containedin=@yamlScalarWithSpecials'
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elseif b:yaml_schema is# 'core'
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syn keyword yamlNull null Null NULL contained containedin=@yamlScalarWithSpecials
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syn keyword yamlBool true True TRUE false False FALSE contained containedin=@yamlScalarWithSpecials
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exe 'syn match yamlNull /'.s:_bounder.'\@1<!\~'.s:_bounder.'\@!/ contained containedin=@yamlScalarWithSpecials'
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exe 'syn match yamlInteger /'.s:_bounder.'\@1<!\%([-+]\=\%(\%(0\%(b[0-1_]\+\|o\?[0-7_]\+\|x[0-9a-fA-F_]\+\)\=\|\%([1-9][0-9_]*\%(:[0-5]\=\d\)\+\)\)\|[1-9][0-9_]*\)\)'.s:_bounder.'\@!/ contained containedin=@yamlScalarWithSpecials'
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exe 'syn match yamlFloat /'.s:_bounder.'\@1<!\%([-+]\=\%(\%(\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\)\)\)'.s:_bounder.'\@!/ contained containedin=@yamlScalarWithSpecials'
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elseif b:yaml_schema is# 'pyyaml'
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syn keyword yamlNull null Null NULL contained containedin=@yamlScalarWithSpecials
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syn keyword yamlBool true True TRUE false False FALSE yes Yes YES no No NO on On ON off Off OFF contained containedin=@yamlScalarWithSpecials
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exe 'syn match yamlNull /'.s:_bounder.'\@1<!\~'.s:_bounder.'\@!/ contained containedin=@yamlScalarWithSpecials'
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exe 'syn match yamlFloat /'.s:_bounder.'\@1<!\%(\v[-+]?%(\d[0-9_]*)\.[0-9_]*%([eE][-+]\d+)?|\.[0-9_]+%([eE][-+]\d+)?|[-+]?\d[0-9_]*%(\:[0-5]?\d)+\.[0-9_]*|[-+]?\.%(inf|Inf|INF)|\.%(nan|NaN|NAN)\m\)'.s:_bounder.'\@!/ contained containedin=@yamlScalarWithSpecials'
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exe 'syn match yamlInteger /'.s:_bounder.'\@1<!\%(\v[-+]?0b[0-1_]+|[-+]?0[0-7_]+|[-+]?%(0|[1-9][0-9_]*)|[-+]?0x[0-9a-fA-F_]+|[-+]?[1-9][0-9_]*%(:[0-5]?\d)+\m\)'.s:_bounder.'\@!/ contained containedin=@yamlScalarWithSpecials'
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exe 'syn match yamlTimestamp /'.s:_bounder.'\@1<!\%(\v\d\d\d\d\-\d\d\-\d\d|\d\d\d\d \-\d\d? \-\d\d?%([Tt]|[ \t]+)\d\d?\:\d\d \:\d\d %(\.\d*)?%([ \t]*%(Z|[-+]\d\d?%(\:\d\d)?))?\m\)'.s:_bounder.'\@!/ contained containedin=@yamlScalarWithSpecials'
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elseif b:yaml_schema is# 'failsafe'
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" Nothing
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endif
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unlet s:_bounder
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execute 'syn match yamlNodeTag '.string(s:c_ns_tag_property)
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execute 'syn match yamlAnchor '.string(s:c_ns_anchor_property)
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execute 'syn match yamlAlias '.string(s:c_ns_alias_node)
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syn match yamlDocumentStart '^---\ze\%(\s\|$\)'
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syn match yamlDocumentEnd '^\.\.\.\ze\%(\s\|$\)'
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hi def link yamlTodo Todo
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hi def link yamlComment Comment
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hi def link yamlDocumentStart PreProc
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hi def link yamlDocumentEnd PreProc
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hi def link yamlDirectiveName Keyword
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hi def link yamlTAGDirective yamlDirectiveName
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hi def link yamlTagHandle String
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hi def link yamlTagPrefix String
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hi def link yamlYAMLDirective yamlDirectiveName
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hi def link yamlReservedDirective Error
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hi def link yamlYAMLVersion Number
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hi def link yamlString String
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hi def link yamlFlowString yamlString
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hi def link yamlFlowStringDelimiter yamlString
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hi def link yamlEscape SpecialChar
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hi def link yamlSingleEscape SpecialChar
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hi def link yamlMappingKey Identifier
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hi def link yamlMappingKeyStart Special
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hi def link yamlMappingMerge Special
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hi def link yamlKeyValueDelimiter Special
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hi def link yamlFlowIndicator Special
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hi def link yamlFlowMappingKey yamlMappingKey
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hi def link yamlFlowMappingKeyStart yamlMappingKeyStart
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hi def link yamlFlowMappingMerge yamlMappingMerge
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hi def link yamlFlowMappingDelimiter yamlKeyValueDelimiter
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hi def link yamlBlockMappingKey yamlMappingKey
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hi def link yamlBlockMappingKeyStart yamlMappingKeyStart
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hi def link yamlBlockMappingMerge yamlMappingMerge
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hi def link yamlBlockMappingDelimiter yamlKeyValueDelimiter
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hi def link yamlBlockCollectionItemStart Label
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hi def link yamlBlockScalarHeader Special
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" We do not link yamlBlockString to yamlString, because yamlPlainScalar is
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" not highlighted as string neighter, and also due to historical reasons.
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" hi def link yamlBlockString yamlString
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hi def link yamlConstant Constant
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hi def link yamlNull yamlConstant
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hi def link yamlBool yamlConstant
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hi def link yamlAnchor Type
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hi def link yamlAlias Type
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hi def link yamlNodeTag Type
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hi def link yamlInteger Number
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hi def link yamlFloat Float
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hi def link yamlTimestamp Number
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let b:current_syntax = "yaml"
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unlet s:ns_char s:ns_word_char s:ns_uri_char s:ns_tag_char s:c_indicator s:c_flow_indicator
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\ s:ns_anchor_char s:ns_char_without_c_indicator s:_collection s:_neg_collection
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\ s:c_verbatim_tag s:c_named_tag_handle s:c_secondary_tag_handle s:c_primary_tag_handle
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\ s:c_tag_handle s:c_ns_shorthand_tag s:c_non_specific_tag s:c_ns_tag_property
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\ s:c_ns_anchor_name s:c_ns_anchor_property s:c_ns_alias_node s:c_ns_properties
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\ s:ns_directive_name s:ns_local_tag_prefix s:ns_global_tag_prefix s:ns_tag_prefix
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\ s:ns_plain_safe_out s:ns_plain_safe_in s:ns_plain_safe_in_without_colhash s:ns_plain_safe_out_without_colhash
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\ 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
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delfunction s:SimplifyAdjacentCollections
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delfunction s:SimplifyToAssumeAllPrintable
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let &cpo = s:cpo_save
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unlet s:cpo_save
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" vim: set et sw=4 sts=4 ts=8:
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