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tcl.js (4920B)

      1 // CodeMirror, copyright (c) by Marijn Haverbeke and others
      2 // Distributed under an MIT license: http://codemirror.net/LICENSE
      3 
      4 //tcl mode by Ford_Lawnmower :: Based on Velocity mode by Steve O'Hara
      5 
      6 (function(mod) {
      7   if (typeof exports == "object" && typeof module == "object") // CommonJS
      8     mod(require("../../lib/codemirror"));
      9   else if (typeof define == "function" && define.amd) // AMD
     10     define(["../../lib/codemirror"], mod);
     11   else // Plain browser env
     12     mod(CodeMirror);
     13 })(function(CodeMirror) {
     14 "use strict";
     15 
     16 CodeMirror.defineMode("tcl", function() {
     17   function parseWords(str) {
     18     var obj = {}, words = str.split(" ");
     19     for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
     20     return obj;
     21   }
     22   var keywords = parseWords("Tcl safe after append array auto_execok auto_import auto_load " +
     23         "auto_mkindex auto_mkindex_old auto_qualify auto_reset bgerror " +
     24         "binary break catch cd close concat continue dde eof encoding error " +
     25         "eval exec exit expr fblocked fconfigure fcopy file fileevent filename " +
     26         "filename flush for foreach format gets glob global history http if " +
     27         "incr info interp join lappend lindex linsert list llength load lrange " +
     28         "lreplace lsearch lset lsort memory msgcat namespace open package parray " +
     29         "pid pkg::create pkg_mkIndex proc puts pwd re_syntax read regex regexp " +
     30         "registry regsub rename resource return scan seek set socket source split " +
     31         "string subst switch tcl_endOfWord tcl_findLibrary tcl_startOfNextWord " +
     32         "tcl_wordBreakAfter tcl_startOfPreviousWord tcl_wordBreakBefore tcltest " +
     33         "tclvars tell time trace unknown unset update uplevel upvar variable " +
     34     "vwait");
     35     var functions = parseWords("if elseif else and not or eq ne in ni for foreach while switch");
     36     var isOperatorChar = /[+\-*&%=<>!?^\/\|]/;
     37     function chain(stream, state, f) {
     38       state.tokenize = f;
     39       return f(stream, state);
     40     }
     41     function tokenBase(stream, state) {
     42       var beforeParams = state.beforeParams;
     43       state.beforeParams = false;
     44       var ch = stream.next();
     45       if ((ch == '"' || ch == "'") && state.inParams) {
     46         return chain(stream, state, tokenString(ch));
     47       } else if (/[\[\]{}\(\),;\.]/.test(ch)) {
     48         if (ch == "(" && beforeParams) state.inParams = true;
     49         else if (ch == ")") state.inParams = false;
     50           return null;
     51       } else if (/\d/.test(ch)) {
     52         stream.eatWhile(/[\w\.]/);
     53         return "number";
     54       } else if (ch == "#") {
     55         if (stream.eat("*"))
     56           return chain(stream, state, tokenComment);
     57         if (ch == "#" && stream.match(/ *\[ *\[/))
     58           return chain(stream, state, tokenUnparsed);
     59         stream.skipToEnd();
     60         return "comment";
     61       } else if (ch == '"') {
     62         stream.skipTo(/"/);
     63         return "comment";
     64       } else if (ch == "$") {
     65         stream.eatWhile(/[$_a-z0-9A-Z\.{:]/);
     66         stream.eatWhile(/}/);
     67         state.beforeParams = true;
     68         return "builtin";
     69       } else if (isOperatorChar.test(ch)) {
     70         stream.eatWhile(isOperatorChar);
     71         return "comment";
     72       } else {
     73         stream.eatWhile(/[\w\$_{}\xa1-\uffff]/);
     74         var word = stream.current().toLowerCase();
     75         if (keywords && keywords.propertyIsEnumerable(word))
     76           return "keyword";
     77         if (functions && functions.propertyIsEnumerable(word)) {
     78           state.beforeParams = true;
     79           return "keyword";
     80         }
     81         return null;
     82       }
     83     }
     84     function tokenString(quote) {
     85       return function(stream, state) {
     86       var escaped = false, next, end = false;
     87       while ((next = stream.next()) != null) {
     88         if (next == quote && !escaped) {
     89           end = true;
     90           break;
     91         }
     92         escaped = !escaped && next == "\\";
     93       }
     94       if (end) state.tokenize = tokenBase;
     95         return "string";
     96       };
     97     }
     98     function tokenComment(stream, state) {
     99       var maybeEnd = false, ch;
    100       while (ch = stream.next()) {
    101         if (ch == "#" && maybeEnd) {
    102           state.tokenize = tokenBase;
    103           break;
    104         }
    105         maybeEnd = (ch == "*");
    106       }
    107       return "comment";
    108     }
    109     function tokenUnparsed(stream, state) {
    110       var maybeEnd = 0, ch;
    111       while (ch = stream.next()) {
    112         if (ch == "#" && maybeEnd == 2) {
    113           state.tokenize = tokenBase;
    114           break;
    115         }
    116         if (ch == "]")
    117           maybeEnd++;
    118         else if (ch != " ")
    119           maybeEnd = 0;
    120       }
    121       return "meta";
    122     }
    123     return {
    124       startState: function() {
    125         return {
    126           tokenize: tokenBase,
    127           beforeParams: false,
    128           inParams: false
    129         };
    130       },
    131       token: function(stream, state) {
    132         if (stream.eatSpace()) return null;
    133         return state.tokenize(stream, state);
    134       }
    135     };
    136 });
    137 CodeMirror.defineMIME("text/x-tcl", "tcl");
    138 
    139 });