1// CodeMirror, copyright (c) by Marijn Haverbeke and others
  2// Distributed under an MIT license: https://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
 16CodeMirror.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      lineComment: "#"
136    };
137});
138CodeMirror.defineMIME("text/x-tcl", "tcl");
139
140});