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89 lines
3.6 KiB
VimL
89 lines
3.6 KiB
VimL
" Vim syntax file
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" Language: S-expressions as used in Sexplib
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" Filenames: *.sexp
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" Maintainers: Markus Mottl <markus.mottl@gmail.com>
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" URL: https://github.com/ocaml/vim-ocaml
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" Last Change: 2020 Dec 31 - Updated header for Vim contribution (MM)
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" 2017 Apr 11 - Improved matching of negative numbers (MM)
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" 2012 Jun 20 - Fixed a block comment highlighting bug (MM)
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" For version 5.x: Clear all syntax items
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" For version 6.x: Quit when a syntax file was already loaded
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if version < 600
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syntax clear
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elseif exists("b:current_syntax") && b:current_syntax == "sexplib"
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finish
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endif
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" Sexplib is case sensitive.
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syn case match
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" Comments
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syn keyword sexplibTodo contained TODO FIXME XXX NOTE
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syn region sexplibBlockComment matchgroup=sexplibComment start="#|" matchgroup=sexplibComment end="|#" contains=ALLBUT,sexplibQuotedAtom,sexplibUnquotedAtom,sexplibEncl,sexplibComment
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syn match sexplibSexpComment "#;" skipwhite skipempty nextgroup=sexplibQuotedAtomComment,sexplibUnquotedAtomComment,sexplibListComment,sexplibComment
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syn region sexplibQuotedAtomComment start=+"+ skip=+\\\\\|\\"+ end=+"+ contained
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syn match sexplibUnquotedAtomComment /\([^;()" \t#|]\|#[^;()" \t|]\||[^;()" \t#]\)[^;()" \t]*/ contained
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syn region sexplibListComment matchgroup=sexplibComment start="(" matchgroup=sexplibComment end=")" contained contains=ALLBUT,sexplibEncl,sexplibString,sexplibQuotedAtom,sexplibUnquotedAtom,sexplibTodo,sexplibNumber,sexplibFloat
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syn match sexplibComment ";.*" contains=sexplibTodo
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" Atoms
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syn match sexplibUnquotedAtom /\([^;()" \t#|]\|#[^;()" \t|]\||[^;()" \t#]\)[^;()" \t]*/
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syn region sexplibQuotedAtom start=+"+ skip=+\\\\\|\\"+ end=+"+
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syn match sexplibNumber "-\=\<\d\(_\|\d\)*[l|L|n]\?\>"
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syn match sexplibNumber "-\=\<0[x|X]\(\x\|_\)\+[l|L|n]\?\>"
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syn match sexplibNumber "-\=\<0[o|O]\(\o\|_\)\+[l|L|n]\?\>"
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syn match sexplibNumber "-\=\<0[b|B]\([01]\|_\)\+[l|L|n]\?\>"
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syn match sexplibFloat "-\=\<\d\(_\|\d\)*\.\?\(_\|\d\)*\([eE][-+]\=\d\(_\|\d\)*\)\=\>"
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" Lists
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syn region sexplibEncl transparent matchgroup=sexplibEncl start="(" matchgroup=sexplibEncl end=")" contains=ALLBUT,sexplibParenErr
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" Errors
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syn match sexplibUnquotedAtomErr /\([^;()" \t#|]\|#[^;()" \t|]\||[^;()" \t#]\)[^;()" \t]*\(#|\||#\)[^;()" \t]*/
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syn match sexplibParenErr ")"
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" Synchronization
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syn sync minlines=50
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syn sync maxlines=500
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" Define the default highlighting.
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" For version 5.7 and earlier: only when not done already
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" For version 5.8 and later: only when an item doesn't have highlighting yet
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if version >= 508 || !exists("did_sexplib_syntax_inits")
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if version < 508
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let did_sexplib_syntax_inits = 1
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command -nargs=+ HiLink hi link <args>
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else
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command -nargs=+ HiLink hi def link <args>
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endif
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HiLink sexplibParenErr Error
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HiLink sexplibUnquotedAtomErr Error
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HiLink sexplibComment Comment
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HiLink sexplibSexpComment Comment
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HiLink sexplibQuotedAtomComment Include
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HiLink sexplibUnquotedAtomComment Comment
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HiLink sexplibBlockComment Comment
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HiLink sexplibListComment Comment
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HiLink sexplibBoolean Boolean
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HiLink sexplibCharacter Character
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HiLink sexplibNumber Number
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HiLink sexplibFloat Float
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HiLink sexplibUnquotedAtom Identifier
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HiLink sexplibEncl Identifier
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HiLink sexplibQuotedAtom Keyword
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HiLink sexplibTodo Todo
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HiLink sexplibEncl Keyword
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delcommand HiLink
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endif
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let b:current_syntax = "sexplib"
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" vim: ts=8
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