FILE: C:\Program Files\Git\usr\share\vim\vim91\syntax\yaml.vim

--
" Vim syntax file
" Language:         YAML (YAML Ain't Markup Language) 1.2
" Maintainer:       Nikolai Pavlov 
" First author:     Nikolai Weibull 
" Latest Revision:  2024-04-01

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_indicator      = '[\-?:,[\]{}#&*!|>''"%@`]'
let s:c_flow_indicator = '[,[\]{}]'

let s:ns_anchor_char = substitute(s:ns_char, '\v\C[\zs', '\=s:c_flow_indicator[1:-2]', '')
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_anchor_char = s:SimplifyToAssumeAllPrintable(s:ns_anchor_char)
let s:ns_char_without_c_indicator = s:SimplifyToAssumeAllPrintable(s:ns_char_without_c_indicator)

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: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:c_ns_properties      = '\%(\%('.s:c_ns_tag_property.'\|'.s:c_ns_anchor_property.'\)\s\+\)\+'

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\ze\s/ contained nextgroup=yamlTagHandle skipwhite
execute 'syn match yamlTagHandle' string(s:c_tag_handle)  'contained nextgroup=yamlTagPrefix skipwhite'
execute 'syn match yamlTagPrefix' string(s:ns_tag_prefix) 'contained nextgroup=yamlComment skipwhite'

syn match yamlYAMLDirective /%YAML\ze\s/ contained nextgroup=yamlYAMLVersion skipwhite
syn match yamlYAMLVersion   /\d\+\.\d\+/ contained nextgroup=yamlComment skipwhite

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 contained nextgroup=yamlFlowMappingDelimiter,yamlComment skipwhite
syn region yamlFlowString matchgroup=yamlFlowStringDelimiter start="'" skip="''"  end="'"
            \ contains=yamlSingleEscape contained nextgroup=yamlFlowMappingDelimiter,yamlComment skipwhite
syn match  yamlEscape contained '\\\%([\\"abefnrtv\^0_ NLP\n]\|x\x\x\|u\x\{4}\|U\x\{8}\)'
syn match  yamlSingleEscape contained "''"

syn cluster yamlConstant contains=yamlBool,yamlNull

syn cluster yamlFlowNode contains=yamlFlowString,yamlFlowMapping,yamlFlowCollection
syn cluster yamlFlowNode      add=yamlFlowMappingKey,yamlFlowMappingKeyStart,yamlFlowMappingMerge
syn cluster yamlFlowNode      add=@yamlConstant,yamlPlainScalar,yamlFloat,yamlComment
syn cluster yamlFlowNode      add=yamlTimestamp,yamlInteger,yamlAlias,yamlFlowNodeProperties
syn region yamlFlowMapping    matchgroup=yamlFlowIndicator start='{\@]\%([1-9][+-]\|[+-]\?[1-9]\?\)\%(\s\+#.*\)\?$' contained
            \ contains=yamlComment nextgroup=yamlBlockString skipnl
syn region yamlBlockString start=/^\z(\s\+\)/ skip=/^$/ end=/^\%(\z1\)\@!/ contained

syn cluster yamlBlockNode contains=@yamlFlowNode,yamlBlockMappingKey,yamlBlockMappingKeyString,
            \yamlBlockMappingMerge,yamlBlockMappingKeyStart,yamlBlockCollectionItemStart,
            \yamlBlockNodeProperties,yamlBlockScalarHeader

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--