Function dedent

tools/pythonauto/static/codemirror/python.js:233–264

(stream, state, type)

    }

    function dedent(stream, state, type) {
        type = type || 'py';
        if (state.scopes.length == 1) return;
        if (state.scopes[0].type === 'py') {
            var _indent = stream.indentation();
            var _indent_index = -1;
            for (var i = 0; i < state.scopes.length; ++i) {
                if (_indent === state.scopes[i].offset) {
                    _indent_index = i;
                    break;
                }
            }
            if (_indent_index === -1) {
                return true;
            }
            while (state.scopes[0].offset !== _indent) {
                state.scopes.shift();
            }
            return false;
        } else {
            if (type === 'py') {
                state.scopes[0].offset = stream.indentation();
                return false;
            } else {
                if (state.scopes[0].type != type) {
                    return true;
                }
                state.scopes.shift();
                return false;
            }
        }
    }

    function tokenLexer(stream, state) {
        indentInfo = null;