tcl.js
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// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: http://codemirror.net/LICENSE
//tcl mode by Ford_Lawnmower :: Based on Velocity mode by Steve O'Hara
(function(mod) {
if (typeof exports == "object" && typeof module == "object") // CommonJS
mod(require("../../lib/codemirror"));
else if (typeof define == "function" && define.amd) // AMD
define(["../../lib/codemirror"], mod);
else // Plain browser env
mod(CodeMirror);
})(function(CodeMirror) {
"use strict";
CodeMirror.defineMode("tcl", function() {
function parseWords(str) {
var obj = {}, words = str.split(" ");
for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
return obj;
}
var keywords = parseWords("Tcl safe after append array auto_execok auto_import auto_load " +
"auto_mkindex auto_mkindex_old auto_qualify auto_reset bgerror " +
"binary break catch cd close concat continue dde eof encoding error " +
"eval exec exit expr fblocked fconfigure fcopy file fileevent filename " +
"filename flush for foreach format gets glob global history http if " +
"incr info interp join lappend lindex linsert list llength load lrange " +
"lreplace lsearch lset lsort memory msgcat namespace open package parray " +
"pid pkg::create pkg_mkIndex proc puts pwd re_syntax read regex regexp " +
"registry regsub rename resource return scan seek set socket source split " +
"string subst switch tcl_endOfWord tcl_findLibrary tcl_startOfNextWord " +
"tcl_wordBreakAfter tcl_startOfPreviousWord tcl_wordBreakBefore tcltest " +
"tclvars tell time trace unknown unset update uplevel upvar variable " +
"vwait");
var functions = parseWords("if elseif else and not or eq ne in ni for foreach while switch");
var isOperatorChar = /[+\-*&%=<>!?^\/\|]/;
function chain(stream, state, f) {
state.tokenize = f;
return f(stream, state);
}
function tokenBase(stream, state) {
var beforeParams = state.beforeParams;
state.beforeParams = false;
var ch = stream.next();
if ((ch == '"' || ch == "'") && state.inParams)
return chain(stream, state, tokenString(ch));
else if (/[\[\]{}\(\),;\.]/.test(ch)) {
if (ch == "(" && beforeParams) state.inParams = true;
else if (ch == ")") state.inParams = false;
return null;
}
else if (/\d/.test(ch)) {
stream.eatWhile(/[\w\.]/);
return "number";
}
else if (ch == "#" && stream.eat("*")) {
return chain(stream, state, tokenComment);
}
else if (ch == "#" && stream.match(/ *\[ *\[/)) {
return chain(stream, state, tokenUnparsed);
}
else if (ch == "#" && stream.eat("#")) {
stream.skipToEnd();
return "comment";
}
else if (ch == '"') {
stream.skipTo(/"/);
return "comment";
}
else if (ch == "$") {
stream.eatWhile(/[$_a-z0-9A-Z\.{:]/);
stream.eatWhile(/}/);
state.beforeParams = true;
return "builtin";
}
else if (isOperatorChar.test(ch)) {
stream.eatWhile(isOperatorChar);
return "comment";
}
else {
stream.eatWhile(/[\w\$_{}\xa1-\uffff]/);
var word = stream.current().toLowerCase();
if (keywords && keywords.propertyIsEnumerable(word))
return "keyword";
if (functions && functions.propertyIsEnumerable(word)) {
state.beforeParams = true;
return "keyword";
}
return null;
}
}
function tokenString(quote) {
return function(stream, state) {
var escaped = false, next, end = false;
while ((next = stream.next()) != null) {
if (next == quote && !escaped) {
end = true;
break;
}
escaped = !escaped && next == "\\";
}
if (end) state.tokenize = tokenBase;
return "string";
};
}
function tokenComment(stream, state) {
var maybeEnd = false, ch;
while (ch = stream.next()) {
if (ch == "#" && maybeEnd) {
state.tokenize = tokenBase;
break;
}
maybeEnd = (ch == "*");
}
return "comment";
}
function tokenUnparsed(stream, state) {
var maybeEnd = 0, ch;
while (ch = stream.next()) {
if (ch == "#" && maybeEnd == 2) {
state.tokenize = tokenBase;
break;
}
if (ch == "]")
maybeEnd++;
else if (ch != " ")
maybeEnd = 0;
}
return "meta";
}
return {
startState: function() {
return {
tokenize: tokenBase,
beforeParams: false,
inParams: false
};
},
token: function(stream, state) {
if (stream.eatSpace()) return null;
return state.tokenize(stream, state);
}
};
});
CodeMirror.defineMIME("text/x-tcl", "tcl");
});