336 lines
14 KiB
VimL
336 lines
14 KiB
VimL
if exists('g:polyglot_disabled') && index(g:polyglot_disabled, 'ocaml') != -1
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finish
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endif
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" Vim syntax file
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" Language: OCaml
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" Filenames: *.ml *.mli *.mll *.mly
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" Maintainers: Markus Mottl <markus.mottl@gmail.com>
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" Karl-Heinz Sylla <Karl-Heinz.Sylla@gmd.de>
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" Issac Trotts <ijtrotts@ucdavis.edu>
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" URL: http://www.ocaml.info/vim/syntax/ocaml.vim
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" Last Change: 2010 Oct 11 - Added highlighting of lnot (MM, thanks to Erick Matsen)
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" 2010 Sep 03 - Fixed escaping bug (MM, thanks to Florent Monnier)
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" 2010 Aug 07 - Fixed module type bug (MM)
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" A minor patch was applied to the official version so that object/end
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" can be distinguished from begin/end, which is used for indentation,
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" and folding. (David Baelde)
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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 == "ocaml"
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finish
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endif
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" OCaml is case sensitive.
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syn case match
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" Access to the method of an object
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syn match ocamlMethod "#"
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" Script headers highlighted like comments
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syn match ocamlComment "^#!.*"
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" Scripting directives
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syn match ocamlScript "^#\<\(quit\|labels\|warnings\|directory\|cd\|load\|use\|install_printer\|remove_printer\|require\|thread\|trace\|untrace\|untrace_all\|print_depth\|print_length\|camlp4o\)\>"
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" lowercase identifier - the standard way to match
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syn match ocamlLCIdentifier /\<\(\l\|_\)\(\w\|'\)*\>/
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syn match ocamlKeyChar "|"
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" Errors
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syn match ocamlBraceErr "}"
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syn match ocamlBrackErr "\]"
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syn match ocamlParenErr ")"
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syn match ocamlArrErr "|]"
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syn match ocamlCommentErr "\*)"
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syn match ocamlCountErr "\<downto\>"
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syn match ocamlCountErr "\<to\>"
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if !exists("ocaml_revised")
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syn match ocamlDoErr "\<do\>"
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endif
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syn match ocamlDoneErr "\<done\>"
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syn match ocamlThenErr "\<then\>"
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" Error-highlighting of "end" without synchronization:
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" as keyword or as error (default)
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if exists("ocaml_noend_error")
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syn match ocamlKeyword "\<end\>"
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else
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syn match ocamlEndErr "\<end\>"
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endif
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" Some convenient clusters
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syn cluster ocamlAllErrs contains=ocamlBraceErr,ocamlBrackErr,ocamlParenErr,ocamlCommentErr,ocamlCountErr,ocamlDoErr,ocamlDoneErr,ocamlEndErr,ocamlThenErr
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syn cluster ocamlAENoParen contains=ocamlBraceErr,ocamlBrackErr,ocamlCommentErr,ocamlCountErr,ocamlDoErr,ocamlDoneErr,ocamlEndErr,ocamlThenErr
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syn cluster ocamlContained contains=ocamlTodo,ocamlPreDef,ocamlModParam,ocamlModParam1,ocamlPreMPRestr,ocamlMPRestr,ocamlMPRestr1,ocamlMPRestr2,ocamlMPRestr3,ocamlModRHS,ocamlFuncWith,ocamlFuncStruct,ocamlModTypeRestr,ocamlModTRWith,ocamlWith,ocamlWithRest,ocamlModType,ocamlFullMod,ocamlVal
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" Enclosing delimiters
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syn region ocamlEncl transparent matchgroup=ocamlKeyword start="(" matchgroup=ocamlKeyword end=")" contains=ALLBUT,@ocamlContained,ocamlParenErr
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syn region ocamlEncl transparent matchgroup=ocamlKeyword start="{" matchgroup=ocamlKeyword end="}" contains=ALLBUT,@ocamlContained,ocamlBraceErr
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syn region ocamlEncl transparent matchgroup=ocamlKeyword start="\[" matchgroup=ocamlKeyword end="\]" contains=ALLBUT,@ocamlContained,ocamlBrackErr
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syn region ocamlEncl transparent matchgroup=ocamlKeyword start="\[|" matchgroup=ocamlKeyword end="|\]" contains=ALLBUT,@ocamlContained,ocamlArrErr
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" Comments
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syn region ocamlComment start="(\*" end="\*)" contains=ocamlComment,ocamlTodo
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syn keyword ocamlTodo contained TODO FIXME XXX NOTE
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" Objects
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syn region ocamlEnd matchgroup=ocamlObject start="\<object\>" matchgroup=ocamlObject end="\<end\>" contains=ALLBUT,@ocamlContained,ocamlEndErr
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" Blocks
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if !exists("ocaml_revised")
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syn region ocamlEnd matchgroup=ocamlKeyword start="\<begin\>" matchgroup=ocamlKeyword end="\<end\>" contains=ALLBUT,@ocamlContained,ocamlEndErr
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endif
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" "for"
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syn region ocamlNone matchgroup=ocamlKeyword start="\<for\>" matchgroup=ocamlKeyword end="\<\(to\|downto\)\>" contains=ALLBUT,@ocamlContained,ocamlCountErr
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" "do"
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if !exists("ocaml_revised")
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syn region ocamlDo matchgroup=ocamlKeyword start="\<do\>" matchgroup=ocamlKeyword end="\<done\>" contains=ALLBUT,@ocamlContained,ocamlDoneErr
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endif
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" "if"
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syn region ocamlNone matchgroup=ocamlKeyword start="\<if\>" matchgroup=ocamlKeyword end="\<then\>" contains=ALLBUT,@ocamlContained,ocamlThenErr
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"" Modules
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" "sig"
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syn region ocamlSig matchgroup=ocamlModule start="\<sig\>" matchgroup=ocamlModule end="\<end\>" contains=ALLBUT,@ocamlContained,ocamlEndErr,ocamlModule
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syn region ocamlModSpec matchgroup=ocamlKeyword start="\<module\>" matchgroup=ocamlModule end="\<\u\(\w\|'\)*\>" contained contains=@ocamlAllErrs,ocamlComment skipwhite skipempty nextgroup=ocamlModTRWith,ocamlMPRestr
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" "open"
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syn region ocamlNone matchgroup=ocamlKeyword start="\<open\>" matchgroup=ocamlModule end="\<\u\(\w\|'\)*\(\.\u\(\w\|'\)*\)*\>" contains=@ocamlAllErrs,ocamlComment
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" "include"
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syn match ocamlKeyword "\<include\>" skipwhite skipempty nextgroup=ocamlModParam,ocamlFullMod
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" "module" - somewhat complicated stuff ;-)
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syn region ocamlModule matchgroup=ocamlKeyword start="\<module\>" matchgroup=ocamlModule end="\<\u\(\w\|'\)*\>" contains=@ocamlAllErrs,ocamlComment skipwhite skipempty nextgroup=ocamlPreDef
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syn region ocamlPreDef start="."me=e-1 matchgroup=ocamlKeyword end="\l\|=\|)"me=e-1 contained contains=@ocamlAllErrs,ocamlComment,ocamlModParam,ocamlModTypeRestr,ocamlModTRWith nextgroup=ocamlModPreRHS
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syn region ocamlModParam start="([^*]" end=")" contained contains=@ocamlAENoParen,ocamlModParam1,ocamlVal
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syn match ocamlModParam1 "\<\u\(\w\|'\)*\>" contained skipwhite skipempty nextgroup=ocamlPreMPRestr
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syn region ocamlPreMPRestr start="."me=e-1 end=")"me=e-1 contained contains=@ocamlAllErrs,ocamlComment,ocamlMPRestr,ocamlModTypeRestr
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syn region ocamlMPRestr start=":" end="."me=e-1 contained contains=@ocamlComment skipwhite skipempty nextgroup=ocamlMPRestr1,ocamlMPRestr2,ocamlMPRestr3
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syn region ocamlMPRestr1 matchgroup=ocamlModule start="\ssig\s\=" matchgroup=ocamlModule end="\<end\>" contained contains=ALLBUT,@ocamlContained,ocamlEndErr,ocamlModule
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syn region ocamlMPRestr2 start="\sfunctor\(\s\|(\)\="me=e-1 matchgroup=ocamlKeyword end="->" contained contains=@ocamlAllErrs,ocamlComment,ocamlModParam skipwhite skipempty nextgroup=ocamlFuncWith,ocamlMPRestr2
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syn match ocamlMPRestr3 "\w\(\w\|'\)*\(\.\w\(\w\|'\)*\)*" contained
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syn match ocamlModPreRHS "=" contained skipwhite skipempty nextgroup=ocamlModParam,ocamlFullMod
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syn keyword ocamlKeyword val
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syn region ocamlVal matchgroup=ocamlKeyword start="\<val\>" matchgroup=ocamlLCIdentifier end="\<\l\(\w\|'\)*\>" contains=@ocamlAllErrs,ocamlComment skipwhite skipempty nextgroup=ocamlMPRestr
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syn region ocamlModRHS start="." end=".\w\|([^*]"me=e-2 contained contains=ocamlComment skipwhite skipempty nextgroup=ocamlModParam,ocamlFullMod
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syn match ocamlFullMod "\<\u\(\w\|'\)*\(\.\u\(\w\|'\)*\)*" contained skipwhite skipempty nextgroup=ocamlFuncWith
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syn region ocamlFuncWith start="([^*]"me=e-1 end=")" contained contains=ocamlComment,ocamlWith,ocamlFuncStruct skipwhite skipempty nextgroup=ocamlFuncWith
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syn region ocamlFuncStruct matchgroup=ocamlModule start="[^a-zA-Z]struct\>"hs=s+1 matchgroup=ocamlModule end="\<end\>" contains=ALLBUT,@ocamlContained,ocamlEndErr
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syn match ocamlModTypeRestr "\<\w\(\w\|'\)*\(\.\w\(\w\|'\)*\)*\>" contained
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syn region ocamlModTRWith start=":\s*("hs=s+1 end=")" contained contains=@ocamlAENoParen,ocamlWith
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syn match ocamlWith "\<\(\u\(\w\|'\)*\.\)*\w\(\w\|'\)*\>" contained skipwhite skipempty nextgroup=ocamlWithRest
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syn region ocamlWithRest start="[^)]" end=")"me=e-1 contained contains=ALLBUT,@ocamlContained
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" "struct"
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syn region ocamlStruct matchgroup=ocamlModule start="\<\(module\s\+\)\=struct\>" matchgroup=ocamlModule end="\<end\>" contains=ALLBUT,@ocamlContained,ocamlEndErr
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" "module type"
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syn region ocamlKeyword start="\<module\>\s*\<type\>\(\s*\<of\>\)\=" matchgroup=ocamlModule end="\<\w\(\w\|'\)*\>" contains=ocamlComment skipwhite skipempty nextgroup=ocamlMTDef
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syn match ocamlMTDef "=\s*\w\(\w\|'\)*\>"hs=s+1,me=s
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syn keyword ocamlKeyword and as assert class
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syn keyword ocamlKeyword constraint else
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syn keyword ocamlKeyword exception external fun
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syn keyword ocamlKeyword in inherit initializer
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syn keyword ocamlKeyword land lazy let match
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syn keyword ocamlKeyword method mutable new of
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syn keyword ocamlKeyword parser private raise rec
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syn keyword ocamlKeyword try type
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syn keyword ocamlKeyword virtual when while with
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if exists("ocaml_revised")
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syn keyword ocamlKeyword do value
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syn keyword ocamlBoolean True False
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else
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syn keyword ocamlKeyword function
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syn keyword ocamlBoolean true false
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syn match ocamlKeyChar "!"
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endif
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syn keyword ocamlType array bool char exn float format format4
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syn keyword ocamlType int int32 int64 lazy_t list nativeint option
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syn keyword ocamlType string unit
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syn keyword ocamlOperator asr lnot lor lsl lsr lxor mod not
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syn match ocamlConstructor "(\s*)"
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syn match ocamlConstructor "\[\s*\]"
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syn match ocamlConstructor "\[|\s*>|]"
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syn match ocamlConstructor "\[<\s*>\]"
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syn match ocamlConstructor "\u\(\w\|'\)*\>"
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" Polymorphic variants
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syn match ocamlConstructor "`\w\(\w\|'\)*\>"
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" Module prefix
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syn match ocamlModPath "\u\(\w\|'\)*\."he=e-1
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syn match ocamlCharacter "'\\\d\d\d'\|'\\[\'ntbr]'\|'.'"
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syn match ocamlCharacter "'\\x\x\x'"
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syn match ocamlCharErr "'\\\d\d'\|'\\\d'"
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syn match ocamlCharErr "'\\[^\'ntbr]'"
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syn region ocamlString start=+"+ skip=+\\\\\|\\"+ end=+"+
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syn match ocamlFunDef "->"
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syn match ocamlRefAssign ":="
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syn match ocamlTopStop ";;"
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syn match ocamlOperator "\^"
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syn match ocamlOperator "::"
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syn match ocamlOperator "&&"
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syn match ocamlOperator "<"
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syn match ocamlOperator ">"
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syn match ocamlAnyVar "\<_\>"
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syn match ocamlKeyChar "|[^\]]"me=e-1
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syn match ocamlKeyChar ";"
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syn match ocamlKeyChar "\~"
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syn match ocamlKeyChar "?"
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syn match ocamlKeyChar "\*"
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syn match ocamlKeyChar "="
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if exists("ocaml_revised")
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syn match ocamlErr "<-"
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else
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syn match ocamlOperator "<-"
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endif
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syn match ocamlNumber "\<-\=\d\(_\|\d\)*[l|L|n]\?\>"
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syn match ocamlNumber "\<-\=0[x|X]\(\x\|_\)\+[l|L|n]\?\>"
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syn match ocamlNumber "\<-\=0[o|O]\(\o\|_\)\+[l|L|n]\?\>"
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syn match ocamlNumber "\<-\=0[b|B]\([01]\|_\)\+[l|L|n]\?\>"
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syn match ocamlFloat "\<-\=\d\(_\|\d\)*\.\?\(_\|\d\)*\([eE][-+]\=\d\(_\|\d\)*\)\=\>"
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" Labels
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syn match ocamlLabel "\~\(\l\|_\)\(\w\|'\)*"lc=1
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syn match ocamlLabel "?\(\l\|_\)\(\w\|'\)*"lc=1
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syn region ocamlLabel transparent matchgroup=ocamlLabel start="?(\(\l\|_\)\(\w\|'\)*"lc=2 end=")"me=e-1 contains=ALLBUT,@ocamlContained,ocamlParenErr
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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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if !exists("ocaml_revised")
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syn sync match ocamlDoSync grouphere ocamlDo "\<do\>"
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syn sync match ocamlDoSync groupthere ocamlDo "\<done\>"
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endif
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if exists("ocaml_revised")
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syn sync match ocamlEndSync grouphere ocamlEnd "\<\(object\)\>"
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else
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syn sync match ocamlEndSync grouphere ocamlEnd "\<\(begin\|object\)\>"
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endif
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syn sync match ocamlEndSync groupthere ocamlEnd "\<end\>"
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syn sync match ocamlStructSync grouphere ocamlStruct "\<struct\>"
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syn sync match ocamlStructSync groupthere ocamlStruct "\<end\>"
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syn sync match ocamlSigSync grouphere ocamlSig "\<sig\>"
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syn sync match ocamlSigSync groupthere ocamlSig "\<end\>"
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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_ocaml_syntax_inits")
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if version < 508
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let did_ocaml_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 ocamlBraceErr Error
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HiLink ocamlBrackErr Error
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HiLink ocamlParenErr Error
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HiLink ocamlArrErr Error
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HiLink ocamlCommentErr Error
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HiLink ocamlCountErr Error
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HiLink ocamlDoErr Error
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HiLink ocamlDoneErr Error
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HiLink ocamlEndErr Error
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HiLink ocamlThenErr Error
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HiLink ocamlCharErr Error
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HiLink ocamlErr Error
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HiLink ocamlComment Comment
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HiLink ocamlModPath Include
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HiLink ocamlObject Include
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HiLink ocamlModule Include
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HiLink ocamlModParam1 Include
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HiLink ocamlModType Include
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HiLink ocamlMPRestr3 Include
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HiLink ocamlFullMod Include
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HiLink ocamlModTypeRestr Include
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HiLink ocamlWith Include
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HiLink ocamlMTDef Include
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HiLink ocamlScript Include
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HiLink ocamlConstructor Constant
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HiLink ocamlVal Keyword
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HiLink ocamlModPreRHS Keyword
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HiLink ocamlMPRestr2 Keyword
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HiLink ocamlKeyword Keyword
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HiLink ocamlMethod Include
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HiLink ocamlFunDef Keyword
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HiLink ocamlRefAssign Keyword
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HiLink ocamlKeyChar Keyword
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HiLink ocamlAnyVar Keyword
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HiLink ocamlTopStop Keyword
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HiLink ocamlOperator Keyword
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HiLink ocamlBoolean Boolean
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HiLink ocamlCharacter Character
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HiLink ocamlNumber Number
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HiLink ocamlFloat Float
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HiLink ocamlString String
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HiLink ocamlLabel Identifier
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HiLink ocamlType Type
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HiLink ocamlTodo Todo
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HiLink ocamlEncl Keyword
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delcommand HiLink
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endif
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let b:current_syntax = "ocaml"
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" vim: ts=8
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