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Diffstat (limited to 'runtime/syntax/yaml.vim')
| -rw-r--r-- | runtime/syntax/yaml.vim | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/runtime/syntax/yaml.vim b/runtime/syntax/yaml.vim new file mode 100644 index 0000000..626dc8a --- /dev/null +++ b/runtime/syntax/yaml.vim @@ -0,0 +1,243 @@ +" 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 + +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 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 |