index.js
function nest(t, x, node, func, end) {
        x.stmtStack.push(node);
        var n = func(t, x);
        x.stmtStack.pop();
        end && t.mustMatch(end);
        return n;
    }
function nest(t, x, node, func, end) {
        x.stmtStack.push(node);
        var n = func(t, x);
        x.stmtStack.pop();
        end && t.mustMatch(end);
        return n;
    }
function nest ( t , x , node , func , end ) { x . stmtStack . push ( node ) ; var n = func ( t , x ) ; x . stmtStack . pop ( ) ; end && t . mustMatch ( end ) ; return n ; }
Statement stack and nested statement handler.
Statement stack and nested statement handler .