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a26c114577
runtime(ssa): improve syntax file performance (vim/vim#14654)
fixes: vim/vim#14653
fixes: neovim/neovim#25950
f351fd8292
68 lines
2.3 KiB
VimL
68 lines
2.3 KiB
VimL
" Vim syntax file
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" Language: SubStation Alpha
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" Maintainer: ObserverOfTime <chronobserver@disroot.org>
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" Filenames: *.ass,*.ssa
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" Last Change: 2024 Apr 28
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if exists('b:current_syntax')
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finish
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endif
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" Comments
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syn keyword ssaTodo TODO FIXME NOTE XXX contained
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syn match ssaComment /^\(;\|!:\).*$/ contains=ssaTodo,@Spell
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syn match ssaTextComment /{[^}]*}/ contained contains=@Spell
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" Sections
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syn match ssaSection /^\[[a-zA-Z0-9+ ]\+\]$/
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" Headers
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syn match ssaHeader /^[^;!:]\+:/ skipwhite nextgroup=ssaField
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" Fields
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syn match ssaField /[^,]*\(,\|$\)/ contained skipwhite contains=ssaDelimiter,ssaTime nextgroup=ssaField
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" Time
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syn match ssaTime /\d:\d\d:\d\d\.\d\d/ contained
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" Delimiter
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syn match ssaDelimiter /,/ contained
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" Dialogue
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syn match ssaDialogue /^Dialogue:/ transparent skipwhite nextgroup=ssaDialogueFields
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syn match ssaDialogueFields /\([^,]*,\)\{9\}/ contained transparent skipwhite contains=ssaField,ssaDelimiter nextgroup=ssaText
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" Text
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syn match ssaText /.*$/ contained contains=@ssaTags,@Spell
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syn cluster ssaTags contains=ssaOverrideTag,ssaEscapeChar,ssaTextComment,ssaItalics,ssaBold,ssaUnderline,ssaStrikeout
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" Override tags
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syn match ssaOverrideTag /{\\[^}]\+}/ contained contains=@NoSpell
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" Special characters
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syn match ssaEscapeChar /\\[nNh{}]/ contained contains=@NoSpell
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" Markup
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syn region ssaItalics start=/{\\i1}/ end=/{\\i0}/ matchgroup=ssaOverrideTag keepend oneline contained contains=@ssaTags,@Spell
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syn region ssaBold start=/{\\b1}/ end=/{\\b0}/ matchgroup=ssaOverrideTag keepend oneline contained contains=@ssaTags,@Spell
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syn region ssaUnderline start=/{\\u1}/ end=/{\\u0}/ matchgroup=ssaOverrideTag keepend oneline contained contains=@ssaTags,@Spell
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syn region ssaStrikeout start=/{\\s1}/ end=/{\\s0}/ matchgroup=ssaOverrideTag keepend oneline contained contains=@ssaTags,@Spell
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hi def link ssaDelimiter Delimiter
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hi def link ssaComment Comment
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hi def link ssaEscapeChar SpecialChar
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hi def link ssaField String
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hi def link ssaHeader Label
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hi def link ssaSection StorageClass
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hi def link ssaOverrideTag Special
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hi def link ssaTextComment Comment
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hi def link ssaTime Number
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hi def link ssaTodo Todo
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hi ssaBold cterm=bold gui=bold
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hi ssaItalics cterm=italic gui=italic
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hi ssaStrikeout cterm=strikethrough gui=strikethrough
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hi ssaUnderline cterm=underline gui=underline
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let b:current_syntax = 'ssa'
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