1" Vim syntax file 2" Language: J 3" Maintainer: David Bürgin <[email protected]> 4" URL: https://github.com/glts/vim-j 5" Last Change: 2014-04-05 6 7if exists('b:current_syntax') 8 finish 9endif 10 11let s:save_cpo = &cpo 12set cpo&vim 13 14syntax case match 15syntax sync minlines=50 16 17syntax cluster jStdlibItems contains=jStdlibNoun,jStdlibAdverb,jStdlibConjunction,jStdlibVerb 18syntax cluster jPrimitiveItems contains=jNoun,jAdverb,jConjunction,jVerb,jCopula 19 20syntax match jControl /\<\%(assert\|break\|case\|catch[dt]\=\|continue\|do\|else\%(if\)\=\|end\|fcase\|for\|if\|return\|select\|throw\|try\|whil\%(e\|st\)\)\./ 21syntax match jControl /\<\%(for\|goto\|label\)_\a\k*\./ 22 23" Standard library names. A few names need to be defined with ":syntax match" 24" because they would otherwise take precedence over the corresponding jControl 25" and jDefineExpression items. 26syntax keyword jStdlibNoun ARGV BINPATH CR CRLF DEL Debug EAV EMPTY FF FHS IF64 IFIOS IFJCDROID IFJHS IFQT IFRASPI IFUNIX IFWIN IFWINCE IFWINE IFWOW64 JB01 JBOXED JCHAR JCMPX JFL JINT JPTR JSIZES JSTR JTYPES JVERSION LF LF2 TAB UNAME UNXLIB andurl dbhelp libjqt 27syntax keyword jStdlibAdverb define each every fapplylines inv inverse items leaf rows table 28syntax keyword jStdlibConjunction bind cuts def on 29syntax keyword jStdlibVerb AND Endian IFDEF Note OR XOR alpha17 alpha27 anddf android_exec_host andunzip apply boxopen boxxopen bx calendar cd cdcb cder cderx cdf charsub chopstring clear coclass cocreate cocurrent codestroy coerase cofind cofindv cofullname coinfo coinsert coname conames conew conl conouns conounsx copath copathnl copathnlx coreset costate cut cutLF cutopen cutpara datatype dbctx dberm dberr dbg dbjmp dblocals dblxq dblxs dbnxt dbq dbr dbret dbrr dbrrx dbrun dbs dbsig dbsq dbss dbst dbstack dbstk dbstop dbstopme dbstopnext dbstops dbtrace dbview deb debc delstring detab dfh dir dircompare dircompares dirfind dirpath dirss dirssrplc dirtree dirused dlb dltb dltbs dquote drop dropafter dropto dtb dtbs echo empty endian erase evtloop exit expand f2utf8 fappend fappends fboxname fc fcopynew fdir ferase fetch fexist fexists fgets file2url fixdotdot fliprgb fmakex foldpara foldtext fpathcreate fpathname fputs fread freadblock freadr freads frename freplace fsize fss fssrplc fstamp fstringreplace ftype fview fwrite fwritenew fwrites getargs getdate getenv getqtbin hfd hostpathsep ic install iospath isatty isotimestamp isutf8 jcwdpath joinstring jpathsep jsystemdefs list ljust load loadd mema memf memr memw nameclass namelist names nc nl pick quote require rjust rplc script scriptd setbreak show sign sminfo smoutput sort split splitnostring splitstring ss startupandroid startupconsole startupide stderr stdin stdout stringreplace symdat symget symset take takeafter taketo timespacex timestamp timex tmoutput toCRLF toHOST toJ todate todayno tolower topara toupper tsdiff tsrep tstamp type ucp ucpcount unxlib usleep utf8 uucp valdate wcsize weekday weeknumber weeksinyear winpathsep 30syntax match jStdlibNoun /\<\%(adverb\|conjunction\|dyad\|monad\|noun\|verb\)\>/ 31syntax match jStdlibVerb /\<\%(assert\|break\|do\)\>\.\@!/ 32 33" Numbers. Matching J numbers is difficult. The regular expression used for 34" the general case roughly embodies this grammar sketch: 35" 36" BASE := /_?\d+(\.\d*)?([eE]_?\d+)?/ 37" RATIONAL := BASE | BASE r BASE 38" COMPLEX := BASE | BASE (j|a[dr]) BASE 39" JNUMBER := RATIONAL | RATIONAL [px] RATIONAL | COMPLEX | COMPLEX [px] COMPLEX 40" 41" The grammar is implemented as shown in this pseudo-regexp: 42" 43" base rational complex remainder 44" /\< B ( [r]B ([px]B([r]B)?)? | (j|a[dr])B ([px]B((j|a[dr])B)?)? | [px]B ((j|a[dr]|r)B)? )?/ 45" 46" All in all, a compromise between correctness and practicality had to be 47" made. See http://www.jsoftware.com/help/dictionary/dcons.htm for reference. 48syntax match jNumber /\<_\=\d\+\%(\.\d*\)\=\%([eE]_\=\d\+\)\=\%(\%(r_\=\d\+\%(\.\d*\)\=\%([eE]_\=\d\+\)\=\%([px]_\=\d\+\%(\.\d*\)\=\%([eE]_\=\d\+\)\=\%(r_\=\d\+\%(\.\d*\)\=\%([eE]_\=\d\+\)\=\)\=\)\=\)\|\%(\%(j\|a[dr]\)_\=\d\+\%(\.\d*\)\=\%([eE]_\=\d\+\)\=\%([px]_\=\d\+\%(\.\d*\)\=\%([eE]_\=\d\+\)\=\%(\%(j\|a[dr]\)_\=\d\+\%(\.\d*\)\=\%([eE]_\=\d\+\)\=\)\=\)\=\)\|\%([px]_\=\d\+\%(\.\d*\)\=\%([eE]_\=\d\+\)\=\%(\%(j\|a[dr]\|r\)_\=\d\+\%(\.\d*\)\=\%([eE]_\=\d\+\)\=\)\=\)\)\=/ 49syntax match jNumber /\<_\=\d\+\%([eE]\d\+\)\=b_\=[0-9a-z]\+/ 50syntax match jNumber /\<__\=\>/ 51syntax match jNumber /\<_\./ 52syntax match jNumber /\<_\=\d\+x\>/ 53 54syntax region jString oneline start=/'/ skip=/''/ end=/'/ 55 56syntax keyword jArgument contained x y u v m n 57 58" Primitives. Order is significant both within the patterns and among 59" ":syntax match" statements. Refer to "Parts of speech" in the J dictionary. 60syntax match jNoun /\<a[.:]/ 61syntax match jAdverb /[}~]\|[/\\]\.\=\|\<\%([Mbft]\.\|t:\)/ 62syntax match jConjunction /"\|`:\=\|[.:@&][.:]\=\|&\.:\|\<\%([dDHT]\.\|[DLS]:\)/ 63syntax match jVerb /[=!\]]\|[\^?]\.\=\|[;[]:\=\|{\.\|[_/\\]:\|[<>+*\-%$|,#][.:]\=\|[~}"][.:]\|{\%[::]\|\<\%([ACeEiIjLor]\.\|p\.\.\=\|[ipqsux]:\|0:\|_\=[1-9]:\)/ 64syntax match jCopula /=[.:]/ 65syntax match jConjunction /;\.\|\^:\|![.:]/ 66 67" Explicit noun definition. The difficulty is that the define expression 68" "0 : 0" can occur in the middle of a line but the jNounDefine region must 69" only start on the next line. The trick is to split the problem into two 70" regions and link them with "nextgroup=". 71syntax region jNounDefineStart 72 \ matchgroup=jDefineExpression start=/\<\%(0\|noun\)\s\+\%(\:\s*0\|def\s\+0\|define\)\>/ 73 \ keepend matchgroup=NONE end=/$/ 74 \ contains=@jStdlibItems,@jPrimitiveItems,jNumber,jString,jParenGroup,jParen,jComment 75 \ oneline skipempty nextgroup=jDefineEnd,jNounDefine 76" These two items must have "contained", which allows them to match only after 77" jNounDefineStart thanks to the "nextgroup=" above. 78syntax region jNounDefine 79 \ matchgroup=NONE start=/^/ 80 \ matchgroup=jDefineEnd end=/^\s*)\s*$/ 81 \ contained 82" This match is necessary in case of an empty noun definition 83syntax match jDefineEnd contained /^\s*)\s*$/ 84 85" Explicit verb, adverb, and conjunction definition 86syntax region jDefine 87 \ matchgroup=jDefineExpression start=/\<\%([1-4]\|13\|adverb\|conjunction\|verb\|monad\|dyad\)\s\+\%(:\s*0\|def\s\+0\|define\)\>/ 88 \ matchgroup=jDefineEnd end=/^\s*)\s*$/ 89 \ contains=jControl,@jStdlibItems,@jPrimitiveItems,jNumber,jString,jArgument,jParenGroup,jParen,jComment,jDefineMonadDyad 90syntax match jDefineMonadDyad contained /^\s*:\s*$/ 91 92" Paired parentheses. When a jDefineExpression such as "3 : 0" is 93" parenthesised it will erroneously extend jParenGroup to span over the whole 94" definition body. This situation receives a special treatment here. 95syntax match jParen /(\%(\s*\%([0-4]\|13\|noun\|adverb\|conjunction\|verb\|monad\|dyad\)\s\+\%(:\s*0\|def\s\+0\|define\)\s*)\)\@=/ 96syntax match jParen contained /\%((\s*\%([0-4]\|13\|noun\|adverb\|conjunction\|verb\|monad\|dyad\)\s\+\%(:\s*0\|def\s\+0\|define\)\s*\)\@<=)/ 97syntax region jParenGroup 98 \ matchgroup=jParen start=/(\%(\s*\%([0-4]\|13\|noun\|adverb\|conjunction\|verb\|monad\|dyad\)\s\+\%(:\s*0\|def\s\+0\|define\)\>\)\@!/ 99 \ matchgroup=jParen end=/)/ 100 \ oneline transparent 101 102syntax keyword jTodo contained TODO FIXME XXX 103syntax match jComment /NB\..*$/ contains=jTodo,@Spell 104 105syntax match jSharpBang /\%^#!.*$/ 106 107highlight default link jControl Statement 108highlight default link jStdlibNoun Identifier 109highlight default link jStdlibAdverb Function 110highlight default link jStdlibConjunction Function 111highlight default link jStdlibVerb Function 112highlight default link jString String 113highlight default link jNumber Number 114highlight default link jNoun Constant 115highlight default link jAdverb Normal 116highlight default link jConjunction Normal 117highlight default link jVerb Normal 118highlight default link jCopula Normal 119highlight default link jArgument Identifier 120highlight default link jParen Delimiter 121 122highlight default link jDefineExpression Define 123highlight default link jDefineMonadDyad Delimiter 124highlight default link jDefineEnd Delimiter 125highlight default link jNounDefine Normal 126 127highlight default link jTodo Todo 128highlight default link jComment Comment 129highlight default link jSharpBang PreProc 130 131let b:current_syntax = 'j' 132 133let &cpo = s:save_cpo 134unlet s:save_cpo 135