static/ext/src/ux/aceeditor/ace-0.2.0/src/worker-javascript.js
function nextLine() {
            var at,
                tw; // trailing whitespace check

            if (line >= lines.length)
                return false;

            character = 1;
            s = lines[line];
            line += 1;

            // If smarttabs option is used check for spaces followed by tabs only.
            // Otherwise check for any occurence of mixed tabs and spaces.
            if (option.smarttabs)
                at = s.search(/ \t/);
            else
                at = s.search(/ \t|\t /);

            if (at >= 0)
                warningAt("Mixed spaces and tabs.", line, at + 1);

            s = s.replace(/\t/g, tab);
            at = s.search(cx);

            if (at >= 0)
                warningAt("Unsafe character.", line, at);

            if (option.maxlen && option.maxlen < s.length)
                warningAt("Line too long.", line, s.length);

            // Check for trailing whitespaces
            tw = option.trailing && s.match(/^(.*?)\s+$/);
            if (tw && !/^\s+$/.test(s)) {
                warningAt("Trailing whitespace.", line, tw[1].length + 1);
            }
            return true;
        }
function nextLine() {
            var at,
                tw; // trailing whitespace check

            if (line >= lines.length)
                return false;

            character = 1;
            s = lines[line];
            line += 1;

            // If smarttabs option is used check for spaces followed by tabs only.
            // Otherwise check for any occurence of mixed tabs and spaces.
            if (option.smarttabs)
                at = s.search(/ \t/);
            else
                at = s.search(/ \t|\t /);

            if (at >= 0)
                warningAt("Mixed spaces and tabs.", line, at + 1);

            s = s.replace(/\t/g, tab);
            at = s.search(cx);

            if (at >= 0)
                warningAt("Unsafe character.", line, at);

            if (option.maxlen && option.maxlen < s.length)
                warningAt("Line too long.", line, s.length);

            // Check for trailing whitespaces
            tw = option.trailing && s.match(/^(.*?)\s+$/);
            if (tw && !/^\s+$/.test(s)) {
                warningAt("Trailing whitespace.", line, tw[1].length + 1);
            }
            return true;
        }
Private lex methods