122 lines
4.4 KiB
VimL
122 lines
4.4 KiB
VimL
" Language: Dot
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" Filenames: *.dot
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" Maintainer: Markus Mottl <markus.mottl@gmail.com>
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" URL: http://www.ocaml.info/vim/syntax/dot.vim
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" Last Change: 2021 Mar 24 - better attr + escape string matching, new keywords (Farbod Salamat-Zadeh)
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" 2011 May 17 - improved identifier matching + two new keywords
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" 2001 May 04 - initial version
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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")
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finish
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endif
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let s:keepcpo = &cpo
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set cpo&vim
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" Errors
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syn match dotParErr ")"
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syn match dotBrackErr "]"
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syn match dotBraceErr "}"
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" Enclosing delimiters
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syn region dotEncl transparent matchgroup=dotParEncl start="(" matchgroup=dotParEncl end=")" contains=ALLBUT,dotParErr
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syn region dotEncl transparent matchgroup=dotBrackEncl start="\[" matchgroup=dotBrackEncl end="\]" contains=ALLBUT,dotBrackErr
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syn region dotEncl transparent matchgroup=dotBraceEncl start="{" matchgroup=dotBraceEncl end="}" contains=ALLBUT,dotBraceErr
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" Comments
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syn region dotComment start="//" end="$" contains=dotComment,dotTodo
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syn region dotComment start="/\*" end="\*/" contains=dotComment,dotTodo
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syn keyword dotTodo contained TODO FIXME XXX
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" Strings
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syn region dotString start=+"+ skip=+\\\\\|\\"+ end=+"+
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" Escape strings
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syn match dotEscString /\v\\(N|G|E|T|H|L)/ containedin=dotString
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syn match dotEscString /\v\\(n|l|r)/ containedin=dotString
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" General keywords
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syn keyword dotKeyword graph digraph subgraph node edge strict
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" Node, edge and graph attributes
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syn keyword dotType _background area arrowhead arrowsize arrowtail bb bgcolor
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\ center charset class clusterrank color colorscheme comment compound
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\ concentrate constraint Damping decorate defaultdist dim dimen dir
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\ diredgeconstraints distortion dpi edgehref edgetarget edgetooltip
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\ edgeURL epsilon esep fillcolor fixedsize fontcolor fontname fontnames
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\ fontpath fontsize forcelabels gradientangle group head_lp headclip
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\ headhref headlabel headport headtarget headtooltip headURL height href
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\ id image imagepath imagepos imagescale inputscale K label label_scheme
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\ labelangle labeldistance labelfloat labelfontcolor labelfontname
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\ labelfontsize labelhref labeljust labelloc labeltarget labeltooltip
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\ labelURL landscape layer layerlistsep layers layerselect layersep
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\ layout len levels levelsgap lhead lheight lp ltail lwidth margin
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\ maxiter mclimit mindist minlen mode model mosek newrank nodesep
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\ nojustify normalize notranslate nslimit nslimit1 ordering orientation
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\ outputorder overlap overlap_scaling overlap_shrink pack packmode pad
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\ page pagedir pencolor penwidth peripheries pin pos quadtree quantum
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\ rank rankdir ranksep ratio rects regular remincross repulsiveforce
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\ resolution root rotate rotation samehead sametail samplepoints scale
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\ searchsize sep shape shapefile showboxes sides size skew smoothing
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\ sortv splines start style stylesheet tail_lp tailclip tailhref
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\ taillabel tailport tailtarget tailtooltip tailURL target tooltip
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\ truecolor URL vertices viewport voro_margin weight width xdotversion
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\ xlabel xlp z
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" Special chars
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syn match dotKeyChar "="
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syn match dotKeyChar ";"
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syn match dotKeyChar "->"
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syn match dotKeyChar "--"
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" Identifier
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syn match dotIdentifier /\<\w\+\(:\w\+\)\?\>/
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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_dot_syntax_inits")
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if version < 508
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let did_dot_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 dotParErr Error
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HiLink dotBraceErr Error
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HiLink dotBrackErr Error
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HiLink dotComment Comment
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HiLink dotTodo Todo
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HiLink dotParEncl Keyword
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HiLink dotBrackEncl Keyword
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HiLink dotBraceEncl Keyword
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HiLink dotKeyword Keyword
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HiLink dotType Type
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HiLink dotKeyChar Keyword
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HiLink dotString String
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HiLink dotEscString Keyword
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HiLink dotIdentifier Identifier
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delcommand HiLink
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endif
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let b:current_syntax = "dot"
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let &cpo = s:keepcpo
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unlet s:keepcpo
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" vim: ts=8
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