Current File : //usr/share/vim/vim91/syntax/yaml.vim
" Vim syntax file
" Language: YAML (YAML Ain't Markup Language) 1.2
" Maintainer: Nikolai Pavlov <zyx.vim@gmail.com>
" First author: Nikolai Weibull <now@bitwi.se>
" Latest Revision: 2015-03-28
" removed duplicate yamlKeyValueDelimiter (pull #4799)
if exists('b:current_syntax')
finish
endif
let s:cpo_save = &cpo
set cpo&vim
" Choose the schema to use
" TODO: Validate schema
if !exists('b:yaml_schema')
if exists('g:yaml_schema')
let b:yaml_schema = g:yaml_schema
else
let b:yaml_schema = 'core'
endif
endif
let s:ns_char = '\%([\n\r\uFEFF \t]\@!\p\)'
let s:ns_word_char = '[[:alnum:]_\-]'
let s:ns_uri_char = '\%(%\x\x\|'.s:ns_word_char.'\|[#/;?:@&=+$,.!~*''()[\]]\)'
let s:ns_tag_char = '\%(%\x\x\|'.s:ns_word_char.'\|[#/;?:@&=+$.~*''()]\)'
let s:c_ns_anchor_char = '\%([\n\r\uFEFF \t,[\]{}]\@!\p\)'
let s:c_indicator = '[\-?:,[\]{}#&*!|>''"%@`]'
let s:c_flow_indicator = '[,[\]{}]'
let s:ns_char_without_c_indicator = substitute(s:ns_char, '\v\C[\zs', '\=s:c_indicator[1:-2]', '')
let s:_collection = '[^\@!\(\%(\\\.\|\[^\\\]]\)\+\)]'
let s:_neg_collection = '[^\(\%(\\\.\|\[^\\\]]\)\+\)]'
function s:SimplifyToAssumeAllPrintable(p)
return substitute(a:p, '\V\C\\%('.s:_collection.'\\@!\\p\\)', '[^\1]', '')
endfunction
let s:ns_char = s:SimplifyToAssumeAllPrintable(s:ns_char)
let s:ns_char_without_c_indicator = s:SimplifyToAssumeAllPrintable(s:ns_char_without_c_indicator)
let s:c_ns_anchor_char = s:SimplifyToAssumeAllPrintable(s:c_ns_anchor_char)
function s:SimplifyAdjacentCollections(p)
return substitute(a:p, '\V\C'.s:_collection.'\\|'.s:_collection, '[\1\2]', 'g')
endfunction
let s:ns_uri_char = s:SimplifyAdjacentCollections(s:ns_uri_char)
let s:ns_tag_char = s:SimplifyAdjacentCollections(s:ns_tag_char)
let s:c_verbatim_tag = '!<'.s:ns_uri_char.'\+>'
let s:c_named_tag_handle = '!'.s:ns_word_char.'\+!'
let s:c_secondary_tag_handle = '!!'
let s:c_primary_tag_handle = '!'
let s:c_tag_handle = '\%('.s:c_named_tag_handle.
\ '\|'.s:c_secondary_tag_handle.
\ '\|'.s:c_primary_tag_handle.'\)'
let s:c_ns_shorthand_tag = s:c_tag_handle . s:ns_tag_char.'\+'
let s:c_non_specific_tag = '!'
let s:c_ns_tag_property = s:c_verbatim_tag.
\ '\|'.s:c_ns_shorthand_tag.
\ '\|'.s:c_non_specific_tag
let s:c_ns_anchor_name = s:c_ns_anchor_char.'\+'
let s:c_ns_anchor_property = '&'.s:c_ns_anchor_name
let s:c_ns_alias_node = '\*'.s:c_ns_anchor_name
let s:ns_directive_name = s:ns_char.'\+'
let s:ns_local_tag_prefix = '!'.s:ns_uri_char.'*'
let s:ns_global_tag_prefix = s:ns_tag_char.s:ns_uri_char.'*'
let s:ns_tag_prefix = s:ns_local_tag_prefix.
\ '\|'.s:ns_global_tag_prefix
let s:ns_plain_safe_out = s:ns_char
let s:ns_plain_safe_in = '\%('.s:c_flow_indicator.'\@!'.s:ns_char.'\)'
let s:ns_plain_safe_in = substitute(s:ns_plain_safe_in, '\V\C\\%('.s:_collection.'\\@!'.s:_neg_collection.'\\)', '[^\1\2]', '')
let s:ns_plain_safe_in_without_colhash = substitute(s:ns_plain_safe_in, '\V\C'.s:_neg_collection, '[^\1:#]', '')
let s:ns_plain_safe_out_without_colhash = substitute(s:ns_plain_safe_out, '\V\C'.s:_neg_collection, '[^\1:#]', '')
let s:ns_plain_first_in = '\%('.s:ns_char_without_c_indicator.'\|[?:\-]\%('.s:ns_plain_safe_in.'\)\@=\)'
let s:ns_plain_first_out = '\%('.s:ns_char_without_c_indicator.'\|[?:\-]\%('.s:ns_plain_safe_out.'\)\@=\)'
let s:ns_plain_char_in = '\%('.s:ns_char.'#\|:'.s:ns_plain_safe_in.'\|'.s:ns_plain_safe_in_without_colhash.'\)'
let s:ns_plain_char_out = '\%('.s:ns_char.'#\|:'.s:ns_plain_safe_out.'\|'.s:ns_plain_safe_out_without_colhash.'\)'
let s:ns_plain_out = s:ns_plain_first_out . s:ns_plain_char_out.'*'
let s:ns_plain_in = s:ns_plain_first_in . s:ns_plain_char_in.'*'
syn keyword yamlTodo contained TODO FIXME XXX NOTE
syn region yamlComment display oneline start='\%\(^\|\s\)#' end='$'
\ contains=yamlTodo
execute 'syn region yamlDirective oneline start='.string('^\ze%'.s:ns_directive_name.'\s\+').' '.
\ 'end="$" '.
\ 'contains=yamlTAGDirective,'.
\ 'yamlYAMLDirective,'.
\ 'yamlReservedDirective '.
\ 'keepend'
syn match yamlTAGDirective '%TAG\s\+' contained nextgroup=yamlTagHandle
execute 'syn match yamlTagHandle contained nextgroup=yamlTagPrefix '.string(s:c_tag_handle.'\s\+')
execute 'syn match yamlTagPrefix contained nextgroup=yamlComment ' . string(s:ns_tag_prefix)
syn match yamlYAMLDirective '%YAML\s\+' contained nextgroup=yamlYAMLVersion
syn match yamlYAMLVersion '\d\+\.\d\+' contained nextgroup=yamlComment
execute 'syn match yamlReservedDirective contained nextgroup=yamlComment '.
\string('%\%(\%(TAG\|YAML\)\s\)\@!'.s:ns_directive_name)
syn region yamlFlowString matchgroup=yamlFlowStringDelimiter start='"' skip='\\"' end='"'
\ contains=yamlEscape
\ nextgroup=yamlKeyValueDelimiter
syn region yamlFlowString matchgroup=yamlFlowStringDelimiter start="'" skip="''" end="'"
\ contains=yamlSingleEscape
\ nextgroup=yamlKeyValueDelimiter
syn match yamlEscape contained '\\\%([\\"abefnrtv\^0_ NLP\n]\|x\x\x\|u\x\{4}\|U\x\{8}\)'
syn match yamlSingleEscape contained "''"
syn match yamlBlockScalarHeader contained '\s\+\zs[|>]\%([+-]\=[1-9]\|[1-9]\=[+-]\)\='
syn cluster yamlConstant contains=yamlBool,yamlNull
syn cluster yamlFlow contains=yamlFlowString,yamlFlowMapping,yamlFlowCollection
syn cluster yamlFlow add=yamlFlowMappingKey,yamlFlowMappingMerge
syn cluster yamlFlow add=@yamlConstant,yamlPlainScalar,yamlFloat
syn cluster yamlFlow add=yamlTimestamp,yamlInteger,yamlMappingKeyStart
syn cluster yamlFlow add=yamlComment
syn region yamlFlowMapping matchgroup=yamlFlowIndicator start='{' end='}' contains=@yamlFlow
syn region yamlFlowCollection matchgroup=yamlFlowIndicator start='\[' end='\]' contains=@yamlFlow
execute 'syn match yamlPlainScalar /'.s:ns_plain_out.'/'
execute 'syn match yamlPlainScalar contained /'.s:ns_plain_in.'/'
syn match yamlMappingKeyStart '?\ze\s'
syn match yamlMappingKeyStart '?' contained
execute 'syn match yamlFlowMappingKey /\%#=1'.s:ns_plain_in.'\%(\s\+'.s:ns_plain_in.'\)*\ze\s*:/ contained '.
\'nextgroup=yamlKeyValueDelimiter'
syn match yamlFlowMappingMerge /<<\ze\s*:/ contained nextgroup=yamlKeyValueDelimiter
syn match yamlBlockCollectionItemStart '^\s*\zs-\%(\s\+-\)*\s' nextgroup=yamlBlockMappingKey,yamlBlockMappingMerge
" Use the old regexp engine, the NFA engine doesn't like all the \@ items.
execute 'syn match yamlBlockMappingKey /\%#=1^\s*\zs'.s:ns_plain_out.'\%(\s\+'.s:ns_plain_out.'\)*\ze\s*:\%(\s\|$\)/ '.
\'nextgroup=yamlKeyValueDelimiter'
execute 'syn match yamlBlockMappingKey /\%#=1\s*\zs'.s:ns_plain_out.'\%(\s\+'.s:ns_plain_out.'\)*\ze\s*:\%(\s\|$\)/ contained '.
\'nextgroup=yamlKeyValueDelimiter'
syn match yamlBlockMappingMerge /^\s*\zs<<\ze:\%(\s\|$\)/ nextgroup=yamlKeyValueDelimiter
syn match yamlBlockMappingMerge /<<\ze\s*:\%(\s\|$\)/ nextgroup=yamlKeyValueDelimiter contained
syn match yamlKeyValueDelimiter /\s*:/ contained
syn cluster yamlScalarWithSpecials contains=yamlPlainScalar,yamlBlockMappingKey,yamlFlowMappingKey
let s:_bounder = s:SimplifyToAssumeAllPrintable('\%([[\]{}, \t]\@!\p\)')
if b:yaml_schema is# 'json'
syn keyword yamlNull null contained containedin=@yamlScalarWithSpecials
syn keyword yamlBool true false
exe 'syn match yamlInteger /'.s:_bounder.'\@1<!\%(0\|-\=[1-9][0-9]*\)'.s:_bounder.'\@!/ contained containedin=@yamlScalarWithSpecials'
exe 'syn match yamlFloat /'.s:_bounder.'\@1<!\%(-\=[1-9][0-9]*\%(\.[0-9]*\)\=\(e[-+]\=[0-9]\+\)\=\|0\|-\=\.inf\|\.nan\)'.s:_bounder.'\@!/ contained containedin=@yamlScalarWithSpecials'
elseif b:yaml_schema is# 'core'
syn keyword yamlNull null Null NULL contained containedin=@yamlScalarWithSpecials
syn keyword yamlBool true True TRUE false False FALSE contained containedin=@yamlScalarWithSpecials
exe 'syn match yamlNull /'.s:_bounder.'\@1<!\~'.s:_bounder.'\@!/ contained containedin=@yamlScalarWithSpecials'
exe 'syn match yamlInteger /'.s:_bounder.'\@1<!\%([+-]\=\%(0\%(b[0-1_]\+\|[0-7_]\+\|x[0-9a-fA-F_]\+\)\=\|\%([1-9][0-9_]*\%(:[0-5]\=\d\)\+\)\)\|[1-9][0-9_]*\)'.s:_bounder.'\@!/ contained containedin=@yamlScalarWithSpecials'
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'
elseif b:yaml_schema is# 'pyyaml'
syn keyword yamlNull null Null NULL contained containedin=@yamlScalarWithSpecials
syn keyword yamlBool true True TRUE false False FALSE yes Yes YES no No NO on On ON off Off OFF contained containedin=@yamlScalarWithSpecials
exe 'syn match yamlNull /'.s:_bounder.'\@1<!\~'.s:_bounder.'\@!/ contained containedin=@yamlScalarWithSpecials'
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'
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'
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'
elseif b:yaml_schema is# 'failsafe'
" Nothing
endif
unlet s:_bounder
execute 'syn match yamlNodeTag '.string(s:c_ns_tag_property)
execute 'syn match yamlAnchor '.string(s:c_ns_anchor_property)
execute 'syn match yamlAlias '.string(s:c_ns_alias_node)
syn match yamlDocumentStart '^---\ze\%(\s\|$\)'
syn match yamlDocumentEnd '^\.\.\.\ze\%(\s\|$\)'
hi def link yamlTodo Todo
hi def link yamlComment Comment
hi def link yamlDocumentStart PreProc
hi def link yamlDocumentEnd PreProc
hi def link yamlDirectiveName Keyword
hi def link yamlTAGDirective yamlDirectiveName
hi def link yamlTagHandle String
hi def link yamlTagPrefix String
hi def link yamlYAMLDirective yamlDirectiveName
hi def link yamlReservedDirective Error
hi def link yamlYAMLVersion Number
hi def link yamlString String
hi def link yamlFlowString yamlString
hi def link yamlFlowStringDelimiter yamlString
hi def link yamlEscape SpecialChar
hi def link yamlSingleEscape SpecialChar
hi def link yamlBlockCollectionItemStart Label
hi def link yamlBlockMappingKey Identifier
hi def link yamlBlockMappingMerge Special
hi def link yamlFlowMappingKey Identifier
hi def link yamlFlowMappingMerge Special
hi def link yamlMappingKeyStart Special
hi def link yamlFlowIndicator Special
hi def link yamlKeyValueDelimiter Special
hi def link yamlConstant Constant
hi def link yamlNull yamlConstant
hi def link yamlBool yamlConstant
hi def link yamlAnchor Type
hi def link yamlAlias Type
hi def link yamlNodeTag Type
hi def link yamlInteger Number
hi def link yamlFloat Float
hi def link yamlTimestamp Number
let b:current_syntax = "yaml"
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 s:ns_char_without_c_indicator s:ns_plain_safe_in_without_colhash s:ns_plain_safe_out_without_colhash
unlet s:_collection s:_neg_collection
delfunction s:SimplifyAdjacentCollections
delfunction s:SimplifyToAssumeAllPrintable
let &cpo = s:cpo_save
unlet s:cpo_save
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