// CodeMirror, copyright (c) by Marijn Haverbeke and others

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// Distributed under an MIT license: http://codemirror.net/LICENSE

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(function(mod) {

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if (typeof exports == "object" && typeof module == "object") // CommonJS

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mod(require("../../lib/codemirror"));

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else if (typeof define == "function" && define.amd) // AMD

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define(["../../lib/codemirror"], mod);

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else // Plain browser env

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mod(CodeMirror);

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})(function(CodeMirror) {

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"use strict";

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CodeMirror.defineMode("q",function(config){

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var indentUnit=config.indentUnit,

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curPunc,

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keywords=buildRE(["abs","acos","aj","aj0","all","and","any","asc","asin","asof","atan","attr","avg","avgs","bin","by","ceiling","cols","cor","cos","count","cov","cross","csv","cut","delete","deltas","desc","dev","differ","distinct","div","do","each","ej","enlist","eval","except","exec","exit","exp","fby","fills","first","fkeys","flip","floor","from","get","getenv","group","gtime","hclose","hcount","hdel","hopen","hsym","iasc","idesc","if","ij","in","insert","inter","inv","key","keys","last","like","list","lj","load","log","lower","lsq","ltime","ltrim","mavg","max","maxs","mcount","md5","mdev","med","meta","min","mins","mmax","mmin","mmu","mod","msum","neg","next","not","null","or","over","parse","peach","pj","plist","prd","prds","prev","prior","rand","rank","ratios","raze","read0","read1","reciprocal","reverse","rload","rotate","rsave","rtrim","save","scan","select","set","setenv","show","signum","sin","sqrt","ss","ssr","string","sublist","sum","sums","sv","system","tables","tan","til","trim","txf","type","uj","ungroup","union","update","upper","upsert","value","var","view","views","vs","wavg","where","where","while","within","wj","wj1","wsum","xasc","xbar","xcol","xcols","xdesc","xexp","xgroup","xkey","xlog","xprev","xrank"]),

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E=/[|/&^!+:\\\-*%$=~#;@><,?_\'\"\[\(\]\)\s{}]/;

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function buildRE(w){return new RegExp("^("+w.join("|")+")$");}

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function tokenBase(stream,state){

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var sol=stream.sol(),c=stream.next();

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curPunc=null;

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if(sol)

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if(c=="/")

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return(state.tokenize=tokenLineComment)(stream,state);

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else if(c=="\\"){

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if(stream.eol()||/\s/.test(stream.peek()))

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return stream.skipToEnd(),/^\\\s*$/.test(stream.current())?(state.tokenize=tokenCommentToEOF)(stream, state):state.tokenize=tokenBase,"comment";

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else

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return state.tokenize=tokenBase,"builtin";

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}

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if(/\s/.test(c))

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return stream.peek()=="/"?(stream.skipToEnd(),"comment"):"whitespace";

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if(c=='"')

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return(state.tokenize=tokenString)(stream,state);

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if(c=='`')

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return stream.eatWhile(/[A-Z|a-z|\d|_|:|\/|\.]/),"symbol";

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if(("."==c&&/\d/.test(stream.peek()))||/\d/.test(c)){

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var t=null;

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stream.backUp(1);

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if(stream.match(/^\d{4}\.\d{2}(m|\.\d{2}([D|T](\d{2}(:\d{2}(:\d{2}(\.\d{1,9})?)?)?)?)?)/)

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|| stream.match(/^\d+D(\d{2}(:\d{2}(:\d{2}(\.\d{1,9})?)?)?)/)

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|| stream.match(/^\d{2}:\d{2}(:\d{2}(\.\d{1,9})?)?/)

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|| stream.match(/^\d+[ptuv]{1}/))

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t="temporal";

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else if(stream.match(/^0[NwW]{1}/)

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|| stream.match(/^0x[\d|a-f|A-F]*/)

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|| stream.match(/^[0|1]+[b]{1}/)

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|| stream.match(/^\d+[chijn]{1}/)

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|| stream.match(/-?\d*(\.\d*)?(e[+\-]?\d+)?(e|f)?/))

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t="number";

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return(t&&(!(c=stream.peek())||E.test(c)))?t:(stream.next(),"error");

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}

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if(/[A-Z|a-z]|\./.test(c))

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return stream.eatWhile(/[A-Z|a-z|\.|_|\d]/),keywords.test(stream.current())?"keyword":"variable";

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if(/[|/&^!+:\\\-*%$=~#;@><\.,?_\']/.test(c))

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return null;

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if(/[{}\(\[\]\)]/.test(c))

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return null;

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return"error";

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}

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function tokenLineComment(stream,state){

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return stream.skipToEnd(),/\/\s*$/.test(stream.current())?(state.tokenize=tokenBlockComment)(stream,state):(state.tokenize=tokenBase),"comment";

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}

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function tokenBlockComment(stream,state){

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var f=stream.sol()&&stream.peek()=="\\";

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stream.skipToEnd();

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if(f&&/^\\\s*$/.test(stream.current()))

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state.tokenize=tokenBase;

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return"comment";

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}

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function tokenCommentToEOF(stream){return stream.skipToEnd(),"comment";}

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function tokenString(stream,state){

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var escaped=false,next,end=false;

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while((next=stream.next())){

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if(next=="\""&&!escaped){end=true;break;}

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escaped=!escaped&&next=="\\";

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}

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if(end)state.tokenize=tokenBase;

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return"string";

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}

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function pushContext(state,type,col){state.context={prev:state.context,indent:state.indent,col:col,type:type};}

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function popContext(state){state.indent=state.context.indent;state.context=state.context.prev;}

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return{

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startState:function(){

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return{tokenize:tokenBase,

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context:null,

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indent:0,

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col:0};

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},

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token:function(stream,state){

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if(stream.sol()){

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if(state.context&&state.context.align==null)

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state.context.align=false;

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state.indent=stream.indentation();

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}

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//if (stream.eatSpace()) return null;

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var style=state.tokenize(stream,state);

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if(style!="comment"&&state.context&&state.context.align==null&&state.context.type!="pattern"){

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state.context.align=true;

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}

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if(curPunc=="(")pushContext(state,")",stream.column());

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else if(curPunc=="[")pushContext(state,"]",stream.column());

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else if(curPunc=="{")pushContext(state,"}",stream.column());

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else if(/[\]\}\)]/.test(curPunc)){

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while(state.context&&state.context.type=="pattern")popContext(state);

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if(state.context&&curPunc==state.context.type)popContext(state);

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}

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else if(curPunc=="."&&state.context&&state.context.type=="pattern")popContext(state);

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else if(/atom|string|variable/.test(style)&&state.context){

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if(/[\}\]]/.test(state.context.type))

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pushContext(state,"pattern",stream.column());

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else if(state.context.type=="pattern"&&!state.context.align){

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state.context.align=true;

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state.context.col=stream.column();

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}

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}

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return style;

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},

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indent:function(state,textAfter){

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var firstChar=textAfter&&textAfter.charAt(0);

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var context=state.context;

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if(/[\]\}]/.test(firstChar))

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while (context&&context.type=="pattern")context=context.prev;

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var closing=context&&firstChar==context.type;

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if(!context)

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return 0;

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else if(context.type=="pattern")

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return context.col;

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else if(context.align)

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return context.col+(closing?0:1);

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else

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return context.indent+(closing?0:indentUnit);

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}

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};

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});

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CodeMirror.defineMIME("text/x-q","q");

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});

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