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   1  // CodeMirror, copyright (c) by Marijn Haverbeke and others
   2  // Distributed under an MIT license: https://codemirror.net/5/LICENSE
   3  
   4  (function(mod) {
   5    if (typeof exports == "object" && typeof module == "object") // CommonJS
   6      mod(require("../../lib/codemirror"));
   7    else if (typeof define == "function" && define.amd) // AMD
   8      define(["../../lib/codemirror"], mod);
   9    else // Plain browser env
  10      mod(CodeMirror);
  11  })(function(CodeMirror) {
  12  "use strict";
  13  
  14  CodeMirror.defineMode("q",function(config){
  15    var indentUnit=config.indentUnit,
  16        curPunc,
  17        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"]),
  18        E=/[|/&^!+:\\\-*%$=~#;@><,?_\'\"\[\(\]\)\s{}]/;
  19    function buildRE(w){return new RegExp("^("+w.join("|")+")$");}
  20    function tokenBase(stream,state){
  21      var sol=stream.sol(),c=stream.next();
  22      curPunc=null;
  23      if(sol)
  24        if(c=="/")
  25          return(state.tokenize=tokenLineComment)(stream,state);
  26        else if(c=="\\"){
  27          if(stream.eol()||/\s/.test(stream.peek()))
  28            return stream.skipToEnd(),/^\\\s*$/.test(stream.current())?(state.tokenize=tokenCommentToEOF)(stream):state.tokenize=tokenBase,"comment";
  29          else
  30            return state.tokenize=tokenBase,"builtin";
  31        }
  32      if(/\s/.test(c))
  33        return stream.peek()=="/"?(stream.skipToEnd(),"comment"):"whitespace";
  34      if(c=='"')
  35        return(state.tokenize=tokenString)(stream,state);
  36      if(c=='`')
  37        return stream.eatWhile(/[A-Za-z\d_:\/.]/),"symbol";
  38      if(("."==c&&/\d/.test(stream.peek()))||/\d/.test(c)){
  39        var t=null;
  40        stream.backUp(1);
  41        if(stream.match(/^\d{4}\.\d{2}(m|\.\d{2}([DT](\d{2}(:\d{2}(:\d{2}(\.\d{1,9})?)?)?)?)?)/)
  42        || stream.match(/^\d+D(\d{2}(:\d{2}(:\d{2}(\.\d{1,9})?)?)?)/)
  43        || stream.match(/^\d{2}:\d{2}(:\d{2}(\.\d{1,9})?)?/)
  44        || stream.match(/^\d+[ptuv]{1}/))
  45          t="temporal";
  46        else if(stream.match(/^0[NwW]{1}/)
  47        || stream.match(/^0x[\da-fA-F]*/)
  48        || stream.match(/^[01]+[b]{1}/)
  49        || stream.match(/^\d+[chijn]{1}/)
  50        || stream.match(/-?\d*(\.\d*)?(e[+\-]?\d+)?(e|f)?/))
  51          t="number";
  52        return(t&&(!(c=stream.peek())||E.test(c)))?t:(stream.next(),"error");
  53      }
  54      if(/[A-Za-z]|\./.test(c))
  55        return stream.eatWhile(/[A-Za-z._\d]/),keywords.test(stream.current())?"keyword":"variable";
  56      if(/[|/&^!+:\\\-*%$=~#;@><\.,?_\']/.test(c))
  57        return null;
  58      if(/[{}\(\[\]\)]/.test(c))
  59        return null;
  60      return"error";
  61    }
  62    function tokenLineComment(stream,state){
  63      return stream.skipToEnd(),/\/\s*$/.test(stream.current())?(state.tokenize=tokenBlockComment)(stream,state):(state.tokenize=tokenBase),"comment";
  64    }
  65    function tokenBlockComment(stream,state){
  66      var f=stream.sol()&&stream.peek()=="\\";
  67      stream.skipToEnd();
  68      if(f&&/^\\\s*$/.test(stream.current()))
  69        state.tokenize=tokenBase;
  70      return"comment";
  71    }
  72    function tokenCommentToEOF(stream){return stream.skipToEnd(),"comment";}
  73    function tokenString(stream,state){
  74      var escaped=false,next,end=false;
  75      while((next=stream.next())){
  76        if(next=="\""&&!escaped){end=true;break;}
  77        escaped=!escaped&&next=="\\";
  78      }
  79      if(end)state.tokenize=tokenBase;
  80      return"string";
  81    }
  82    function pushContext(state,type,col){state.context={prev:state.context,indent:state.indent,col:col,type:type};}
  83    function popContext(state){state.indent=state.context.indent;state.context=state.context.prev;}
  84    return{
  85      startState:function(){
  86        return{tokenize:tokenBase,
  87               context:null,
  88               indent:0,
  89               col:0};
  90      },
  91      token:function(stream,state){
  92        if(stream.sol()){
  93          if(state.context&&state.context.align==null)
  94            state.context.align=false;
  95          state.indent=stream.indentation();
  96        }
  97        //if (stream.eatSpace()) return null;
  98        var style=state.tokenize(stream,state);
  99        if(style!="comment"&&state.context&&state.context.align==null&&state.context.type!="pattern"){
 100          state.context.align=true;
 101        }
 102        if(curPunc=="(")pushContext(state,")",stream.column());
 103        else if(curPunc=="[")pushContext(state,"]",stream.column());
 104        else if(curPunc=="{")pushContext(state,"}",stream.column());
 105        else if(/[\]\}\)]/.test(curPunc)){
 106          while(state.context&&state.context.type=="pattern")popContext(state);
 107          if(state.context&&curPunc==state.context.type)popContext(state);
 108        }
 109        else if(curPunc=="."&&state.context&&state.context.type=="pattern")popContext(state);
 110        else if(/atom|string|variable/.test(style)&&state.context){
 111          if(/[\}\]]/.test(state.context.type))
 112            pushContext(state,"pattern",stream.column());
 113          else if(state.context.type=="pattern"&&!state.context.align){
 114            state.context.align=true;
 115            state.context.col=stream.column();
 116          }
 117        }
 118        return style;
 119      },
 120      indent:function(state,textAfter){
 121        var firstChar=textAfter&&textAfter.charAt(0);
 122        var context=state.context;
 123        if(/[\]\}]/.test(firstChar))
 124          while (context&&context.type=="pattern")context=context.prev;
 125        var closing=context&&firstChar==context.type;
 126        if(!context)
 127          return 0;
 128        else if(context.type=="pattern")
 129          return context.col;
 130        else if(context.align)
 131          return context.col+(closing?0:1);
 132        else
 133          return context.indent+(closing?0:indentUnit);
 134      }
 135    };
 136  });
 137  CodeMirror.defineMIME("text/x-q","q");
 138  
 139  });