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" Vim syntax file " Language: SML " Filenames: *.sml *.sig " Maintainer: Markus Mottl <markus.mottl@gmail.com> " Previous Maintainer: Fabrizio Zeno Cornelli " <zeno@filibusta.crema.unimi.it> (invalid) " Last Change: 2022 Apr 01 " 2015 Aug 31 - Fixed opening of modules (Ramana Kumar) " 2006 Oct 23 - Fixed character highlighting bug (MM) " quit when a syntax file was already loaded if exists("b:current_syntax") finish endif " Disable spell checking of syntax. syn spell notoplevel " SML is case sensitive. syn case match " lowercase identifier - the standard way to match syn match smlLCIdentifier /\<\(\l\|_\)\(\w\|'\)*\>/ syn match smlKeyChar "|" " Errors syn match smlBraceErr "}" syn match smlBrackErr "\]" syn match smlParenErr ")" syn match smlCommentErr "\*)" syn match smlThenErr "\<then\>" " Error-highlighting of "end" without synchronization: " as keyword or as error (default) if exists("sml_noend_error") syn match smlKeyword "\<end\>" else syn match smlEndErr "\<end\>" endif " Some convenient clusters syn cluster smlAllErrs contains=smlBraceErr,smlBrackErr,smlParenErr,smlCommentErr,smlEndErr,smlThenErr syn cluster smlAENoParen contains=smlBraceErr,smlBrackErr,smlCommentErr,smlEndErr,smlThenErr syn cluster smlContained contains=smlTodo,smlPreDef,smlModParam,smlModParam1,smlPreMPRestr,smlMPRestr,smlMPRestr1,smlMPRestr2,smlMPRestr3,smlModRHS,smlFuncWith,smlFuncStruct,smlModTypeRestr,smlModTRWith,smlWith,smlWithRest,smlModType,smlFullMod " Enclosing delimiters syn region smlEncl transparent matchgroup=smlKeyword start="(" matchgroup=smlKeyword end=")" contains=ALLBUT,@smlContained,smlParenErr syn region smlEncl transparent matchgroup=smlKeyword start="{" matchgroup=smlKeyword end="}" contains=ALLBUT,@smlContained,smlBraceErr syn region smlEncl transparent matchgroup=smlKeyword start="\[" matchgroup=smlKeyword end="\]" contains=ALLBUT,@smlContained,smlBrackErr syn region smlEncl transparent matchgroup=smlKeyword start="#\[" matchgroup=smlKeyword end="\]" contains=ALLBUT,@smlContained,smlBrackErr " Comments syn region smlComment start="(\*" end="\*)" contains=smlComment,smlTodo,@Spell syn keyword smlTodo contained TODO FIXME XXX " let syn region smlEnd matchgroup=smlKeyword start="\<let\>" matchgroup=smlKeyword end="\<end\>" contains=ALLBUT,@smlContained,smlEndErr " local syn region smlEnd matchgroup=smlKeyword start="\<local\>" matchgroup=smlKeyword end="\<end\>" contains=ALLBUT,@smlContained,smlEndErr " abstype syn region smlNone matchgroup=smlKeyword start="\<abstype\>" matchgroup=smlKeyword end="\<end\>" contains=ALLBUT,@smlContained,smlEndErr " begin syn region smlEnd matchgroup=smlKeyword start="\<begin\>" matchgroup=smlKeyword end="\<end\>" contains=ALLBUT,@smlContained,smlEndErr " if syn region smlNone matchgroup=smlKeyword start="\<if\>" matchgroup=smlKeyword end="\<then\>" contains=ALLBUT,@smlContained,smlThenErr "" Modules " "struct" syn region smlStruct matchgroup=smlModule start="\<struct\>" matchgroup=smlModule end="\<end\>" contains=ALLBUT,@smlContained,smlEndErr " "sig" syn region smlSig matchgroup=smlModule start="\<sig\>" matchgroup=smlModule end="\<end\>" contains=ALLBUT,@smlContained,smlEndErr,smlModule syn region smlModSpec matchgroup=smlKeyword start="\<structure\>" matchgroup=smlModule end="\<\u\(\w\|'\)*\>" contained contains=@smlAllErrs,smlComment skipwhite skipempty nextgroup=smlModTRWith,smlMPRestr " "open" syn region smlNone matchgroup=smlKeyword start="\<open\>" matchgroup=smlModule end="\<\w\(\w\|'\)*\(\.\w\(\w\|'\)*\)*\>" contains=@smlAllErrs,smlComment " "structure" - somewhat complicated stuff ;-) syn region smlModule matchgroup=smlKeyword start="\<\(structure\|functor\)\>" matchgroup=smlModule end="\<\u\(\w\|'\)*\>" contains=@smlAllErrs,smlComment skipwhite skipempty nextgroup=smlPreDef syn region smlPreDef start="."me=e-1 matchgroup=smlKeyword end="\l\|="me=e-1 contained contains=@smlAllErrs,smlComment,smlModParam,smlModTypeRestr,smlModTRWith nextgroup=smlModPreRHS syn region smlModParam start="([^*]" end=")" contained contains=@smlAENoParen,smlModParam1 syn match smlModParam1 "\<\u\(\w\|'\)*\>" contained skipwhite skipempty nextgroup=smlPreMPRestr syn region smlPreMPRestr start="."me=e-1 end=")"me=e-1 contained contains=@smlAllErrs,smlComment,smlMPRestr,smlModTypeRestr syn region smlMPRestr start=":" end="."me=e-1 contained contains=@smlComment skipwhite skipempty nextgroup=smlMPRestr1,smlMPRestr2,smlMPRestr3 syn region smlMPRestr1 matchgroup=smlModule start="\ssig\s\=" matchgroup=smlModule end="\<end\>" contained contains=ALLBUT,@smlContained,smlEndErr,smlModule syn region smlMPRestr2 start="\sfunctor\(\s\|(\)\="me=e-1 matchgroup=smlKeyword end="->" contained contains=@smlAllErrs,smlComment,smlModParam skipwhite skipempty nextgroup=smlFuncWith syn match smlMPRestr3 "\w\(\w\|'\)*\(\.\w\(\w\|'\)*\)*" contained syn match smlModPreRHS "=" contained skipwhite skipempty nextgroup=smlModParam,smlFullMod syn region smlModRHS start="." end=".\w\|([^*]"me=e-2 contained contains=smlComment skipwhite skipempty nextgroup=smlModParam,smlFullMod syn match smlFullMod "\<\u\(\w\|'\)*\(\.\u\(\w\|'\)*\)*" contained skipwhite skipempty nextgroup=smlFuncWith syn region smlFuncWith start="([^*]"me=e-1 end=")" contained contains=smlComment,smlWith,smlFuncStruct syn region smlFuncStruct matchgroup=smlModule start="[^a-zA-Z]struct\>"hs=s+1 matchgroup=smlModule end="\<end\>" contains=ALLBUT,@smlContained,smlEndErr syn match smlModTypeRestr "\<\w\(\w\|'\)*\(\.\w\(\w\|'\)*\)*\>" contained syn region smlModTRWith start=":\s*("hs=s+1 end=")" contained contains=@smlAENoParen,smlWith syn match smlWith "\<\(\u\(\w\|'\)*\.\)*\w\(\w\|'\)*\>" contained skipwhite skipempty nextgroup=smlWithRest syn region smlWithRest start="[^)]" end=")"me=e-1 contained contains=ALLBUT,@smlContained " "signature" syn region smlKeyword start="\<signature\>" matchgroup=smlModule end="\<\w\(\w\|'\)*\>" contains=smlComment skipwhite skipempty nextgroup=smlMTDef syn match smlMTDef "=\s*\w\(\w\|'\)*\>"hs=s+1,me=s syn keyword smlKeyword and andalso case syn keyword smlKeyword datatype else eqtype syn keyword smlKeyword exception fn fun handle syn keyword smlKeyword in infix infixl infixr syn keyword smlKeyword match nonfix of orelse syn keyword smlKeyword raise handle type syn keyword smlKeyword val where while with withtype syn keyword smlType bool char exn int list option syn keyword smlType real string unit syn keyword smlOperator div mod not or quot rem syn keyword smlBoolean true false syn match smlConstructor "(\s*)" syn match smlConstructor "\[\s*\]" syn match smlConstructor "#\[\s*\]" syn match smlConstructor "\u\(\w\|'\)*\>" " Module prefix syn match smlModPath "\u\(\w\|'\)*\."he=e-1 syn match smlCharacter +#"\\""\|#"."\|#"\\\d\d\d"+ syn match smlCharErr +#"\\\d\d"\|#"\\\d"+ syn region smlString start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=@Spell syn match smlFunDef "=>" syn match smlRefAssign ":=" syn match smlTopStop ";;" syn match smlOperator "\^" syn match smlOperator "::" syn match smlAnyVar "\<_\>" syn match smlKeyChar "!" syn match smlKeyChar ";" syn match smlKeyChar "\*" syn match smlKeyChar "=" syn match smlNumber "\<-\=\d\+\>" syn match smlNumber "\<-\=0[x|X]\x\+\>" syn match smlReal "\<-\=\d\+\.\d*\([eE][-+]\=\d\+\)\=[fl]\=\>" " Synchronization syn sync minlines=20 syn sync maxlines=500 syn sync match smlEndSync grouphere smlEnd "\<begin\>" syn sync match smlEndSync groupthere smlEnd "\<end\>" syn sync match smlStructSync grouphere smlStruct "\<struct\>" syn sync match smlStructSync groupthere smlStruct "\<end\>" syn sync match smlSigSync grouphere smlSig "\<sig\>" syn sync match smlSigSync groupthere smlSig "\<end\>" " Define the default highlighting. " Only when an item doesn't have highlighting yet hi def link smlBraceErr Error hi def link smlBrackErr Error hi def link smlParenErr Error hi def link smlCommentErr Error hi def link smlEndErr Error hi def link smlThenErr Error hi def link smlCharErr Error hi def link smlComment Comment hi def link smlModPath Include hi def link smlModule Include hi def link smlModParam1 Include hi def link smlModType Include hi def link smlMPRestr3 Include hi def link smlFullMod Include hi def link smlModTypeRestr Include hi def link smlWith Include hi def link smlMTDef Include hi def link smlConstructor Constant hi def link smlModPreRHS Keyword hi def link smlMPRestr2 Keyword hi def link smlKeyword Keyword hi def link smlFunDef Keyword hi def link smlRefAssign Keyword hi def link smlKeyChar Keyword hi def link smlAnyVar Keyword hi def link smlTopStop Keyword hi def link smlOperator Keyword hi def link smlBoolean Boolean hi def link smlCharacter Character hi def link smlNumber Number hi def link smlReal Float hi def link smlString String hi def link smlType Type hi def link smlTodo Todo hi def link smlEncl Keyword let b:current_syntax = "sml" " vim: ts=8