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-rw-r--r--runtime/syntax/yaml.vim146
1 files changed, 89 insertions, 57 deletions
diff --git a/runtime/syntax/yaml.vim b/runtime/syntax/yaml.vim
index 49f7d04..6ec806a 100644
--- a/runtime/syntax/yaml.vim
+++ b/runtime/syntax/yaml.vim
@@ -2,8 +2,7 @@
" 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)
+" Latest Revision: 2024-04-01
if exists('b:current_syntax')
finish
@@ -15,21 +14,21 @@ 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
+ 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_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 = '[^\@!\(\%(\\\.\|\[^\\\]]\)\+\)]'
@@ -38,8 +37,8 @@ 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)
-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')
@@ -60,9 +59,10 @@ 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_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.'\+'
@@ -100,57 +100,71 @@ execute 'syn region yamlDirective oneline start='.string('^\ze%'.s:ns_directive_
\ '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 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\s\+' contained nextgroup=yamlYAMLVersion
-syn match yamlYAMLVersion '\d\+\.\d\+' contained nextgroup=yamlComment
+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
- \ nextgroup=yamlKeyValueDelimiter
+ \ contains=yamlEscape contained nextgroup=yamlFlowMappingDelimiter,yamlComment skipwhite
syn region yamlFlowString matchgroup=yamlFlowStringDelimiter start="'" skip="''" end="'"
- \ contains=yamlSingleEscape
- \ nextgroup=yamlKeyValueDelimiter
+ \ 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 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
+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='{\@<!{{\@!' end='}' contains=@yamlFlowNode
+syn region yamlFlowCollection matchgroup=yamlFlowIndicator start='\[' end='\]' contains=@yamlFlowNode
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
+execute 'syn match yamlFlowMappingKey /'.s:ns_plain_in.'\%(\s\+'.s:ns_plain_in.'\)*\ze\s*:/ contained '.
+ \'nextgroup=yamlFlowMappingDelimiter skipwhite'
+syn match yamlFlowMappingKeyStart /?/ contained nextgroup=@yamlFlowNode skipwhite
+syn match yamlFlowMappingMerge /<<\ze\s*:/ contained nextgroup=yamlFlowMappingDelimiter skipwhite
+syn match yamlFlowMappingDelimiter /:/ contained nextgroup=@yamlFlowNode skipwhite
+execute 'syn match yamlFlowNodeProperties' string(s:c_ns_properties)
+ \ 'contained contains=yamlNodeTag,yamlAnchor nextgroup=@yamlFlowNode skipwhite'
+
+execute 'syn match yamlBlockMappingKey /^\s*\zs'.s:ns_plain_out.'\%(\s\+'.s:ns_plain_out.'\)*\ze\s*:\%(\s\|$\)/ '.
+ \'nextgroup=yamlBlockMappingDelimiter skipwhite'
+execute 'syn match yamlBlockMappingKey /'.s:ns_plain_out.'\%(\s\+'.s:ns_plain_out.'\)*\ze\s*:\%(\s\|$\)/ contained '.
+ \'nextgroup=yamlBlockMappingDelimiter skipwhite'
+syn match yamlBlockMappingKeyString /^\s*\zs\%("\%([^"]\|\\"\)*"\|'\%([^']\|''\)*'\)\ze\s*:\%(\s\|$\)/
+ \ contains=yamlFlowString nextgroup=yamlBlockMappingDelimiter skipwhite
+syn match yamlBlockMappingKeyString /\%("\%([^"]\|\\"\)*"\|'\%([^']\|''\)*'\)\ze\s*:\%(\s\|$\)/ contained
+ \ contains=yamlFlowString nextgroup=yamlBlockMappingDelimiter skipwhite
+syn match yamlBlockMappingMerge /^\s*\zs<<\ze\s*:\%(\s\|$\)/ nextgroup=yamlBlockMappingDelimiter skipwhite
+syn match yamlBlockMappingMerge /<<\ze\s*:\%(\s\|$\)/ contained nextgroup=yamlBlockMappingDelimiter skipwhite
+
+syn match yamlBlockMappingDelimiter /^\s*\zs:\ze\%(\s\|$\)/ nextgroup=@yamlBlockNode skipwhite
+syn match yamlBlockMappingDelimiter /:\ze\%(\s\|$\)/ contained nextgroup=@yamlBlockNode skipwhite
+syn match yamlBlockMappingKeyStart /^\s*\zs?\ze\%(\s\|$\)/ nextgroup=@yamlBlockNode skipwhite
+syn match yamlBlockMappingKeyStart /?\ze\%(\s\|$\)/ contained nextgroup=@yamlBlockNode skipwhite
+
+syn match yamlBlockCollectionItemStart /^\s*\zs-\ze\%(\s\|$\)/ nextgroup=@yamlBlockNode skipwhite
+syn match yamlBlockCollectionItemStart /-\ze\%(\s\|$\)/ contained nextgroup=@yamlBlockNode skipwhite
+
+execute 'syn match yamlBlockNodeProperties' string(s:c_ns_properties)
+ \ 'contained contains=yamlNodeTag,yamlAnchor nextgroup=@yamlFlowNode,yamlBlockScalarHeader skipwhite'
+syn match yamlBlockScalarHeader '[|>]\%([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
@@ -164,8 +178,8 @@ 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'
+ 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'
+ 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
@@ -208,17 +222,27 @@ 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 yamlMappingKey Identifier
hi def link yamlMappingKeyStart Special
-hi def link yamlFlowIndicator Special
+hi def link yamlMappingMerge Special
hi def link yamlKeyValueDelimiter Special
+hi def link yamlFlowIndicator Special
+hi def link yamlFlowMappingKey yamlMappingKey
+hi def link yamlFlowMappingKeyStart yamlMappingKeyStart
+hi def link yamlFlowMappingMerge yamlMappingMerge
+hi def link yamlFlowMappingDelimiter yamlKeyValueDelimiter
+
+hi def link yamlBlockMappingKey yamlMappingKey
+hi def link yamlBlockMappingKeyStart yamlMappingKeyStart
+hi def link yamlBlockMappingMerge yamlMappingMerge
+hi def link yamlBlockMappingDelimiter yamlKeyValueDelimiter
+hi def link yamlBlockCollectionItemStart Label
+hi def link yamlBlockScalarHeader Special
+" We do not link yamlBlockString to yamlString, because yamlPlainScalar is
+" not highlighted as string neighter, and also due to historical reasons.
+" hi def link yamlBlockString yamlString
+
hi def link yamlConstant Constant
hi def link yamlNull yamlConstant
@@ -234,10 +258,18 @@ 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
+unlet s:ns_char s:ns_word_char s:ns_uri_char s:ns_tag_char s:c_indicator s:c_flow_indicator
+ \ s:ns_anchor_char s:ns_char_without_c_indicator s:_collection s:_neg_collection
+ \ s:c_verbatim_tag s:c_named_tag_handle s:c_secondary_tag_handle s:c_primary_tag_handle
+ \ s:c_tag_handle s:c_ns_shorthand_tag s:c_non_specific_tag s:c_ns_tag_property
+ \ s:c_ns_anchor_name s:c_ns_anchor_property s:c_ns_alias_node s:c_ns_properties
+ \ s:ns_directive_name s:ns_local_tag_prefix s:ns_global_tag_prefix s:ns_tag_prefix
+ \ s:ns_plain_safe_out s:ns_plain_safe_in s:ns_plain_safe_in_without_colhash s:ns_plain_safe_out_without_colhash
+ \ 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
delfunction s:SimplifyAdjacentCollections
delfunction s:SimplifyToAssumeAllPrintable
let &cpo = s:cpo_save
unlet s:cpo_save
+
+" vim: set et sw=4 sts=4 ts=8: