Function dedent

mini-code-edit/cm/mode/coffeescript/coffeescript.js:225–247

(stream, state)

    }

    function dedent(stream, state) {
        if (state.scopes.length == 1) return;
        if (state.scopes[0].type === 'coffee') {
            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 {
            state.scopes.shift();
            return false;
        }
    }

    function tokenLexer(stream, state) {
        var style = state.tokenize(stream, state);