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CodeMirror.defineMode("eiffel", function() {
function wordObj(words) {
var o = {};
for (var i = 0, e = words.length; i < e; ++i) o[words[i]] = true;
return o;
}
var keywords = wordObj([
'note',
'across',
'when',
'variant',
'until',
'unique',
'undefine',
'then',
'strip',
'select',
'retry',
'rescue',
'require',
'rename',
'reference',
'redefine',
'prefix',
'once',
'old',
'obsolete',
'loop',
'local',
'like',
'is',
'inspect',
'infix',
'include',
'if',
'frozen',
'from',
'external',
'export',
'ensure',
'end',
'elseif',
'else',
'do',
'creation',
'create',
'check',
'alias',
'agent',
'separate',
'invariant',
'inherit',
'indexing',
'feature',
'expanded',
'deferred',
'class',
'Void',
'True',
'Result',
'Precursor',
'False',
'Current',
'create',
'attached',
'detachable',
'as',
'and',
'implies',
'not',
'or'
]);
var operators = wordObj([":=", "and then","and", "or","<<",">>"]);
var curPunc;
function chain(newtok, stream, state) {
state.tokenize.push(newtok);
return newtok(stream, state);
}
function tokenBase(stream, state) {
curPunc = null;
if (stream.eatSpace()) return null;
var ch = stream.next();
if (ch == '"'||ch == "'") {
return chain(readQuoted(ch, "string"), stream, state);
} else if (ch == "-"&&stream.eat("-")) {
stream.skipToEnd();
return "comment";
} else if (ch == ":"&&stream.eat("=")) {
return "operator";
} else if (/[0-9]/.test(ch)) {
stream.eatWhile(/[xXbBCc0-9\.]/);
stream.eat(/[\?\!]/);
return "ident";
} else if (/[a-zA-Z_0-9]/.test(ch)) {
stream.eatWhile(/[a-zA-Z_0-9]/);
stream.eat(/[\?\!]/);
return "ident";
} else if (/[=+\-\/*^%<>~]/.test(ch)) {
stream.eatWhile(/[=+\-\/*^%<>~]/);
return "operator";
} else {
return null;
}
}
function readQuoted(quote, style, unescaped) {
return function(stream, state) {
var escaped = false, ch;
while ((ch = stream.next()) != null) {
if (ch == quote && (unescaped || !escaped)) {
state.tokenize.pop();
break;
}
escaped = !escaped && ch == "%";
}
return style;
};
}
return {
startState: function() {
return {tokenize: [tokenBase]};
},
token: function(stream, state) {
var style = state.tokenize[state.tokenize.length-1](stream, state);
if (style == "ident") {
var word = stream.current();
style = keywords.propertyIsEnumerable(stream.current()) ? "keyword"
: operators.propertyIsEnumerable(stream.current()) ? "operator"
: /^[A-Z][A-Z_0-9]*$/g.test(word) ? "tag"
: /^0[bB][0-1]+$/g.test(word) ? "number"
: /^0[cC][0-7]+$/g.test(word) ? "number"
: /^0[xX][a-fA-F0-9]+$/g.test(word) ? "number"
: /^([0-9]+\.[0-9]*)|([0-9]*\.[0-9]+)$/g.test(word) ? "number"
: /^[0-9]+$/g.test(word) ? "number"
: "variable";
}
return style;
},
lineComment: "--"
};
});
CodeMirror.defineMIME("text/x-eiffel", "eiffel");
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