protected void concatNodeLists() {
	/*
	 * This is a case where you have two sublists into the this.astStack that you want
	 * to merge in one list. There is no action required on the this.astStack. The only
	 * thing you need to do is merge the two lengths specified on the astStackLength.
	 * The top two length are for example:
	 * ... p   n
	 * and you want to result in a list like:
	 * ... n+p
	 * This means that the p could be equals to 0 in case there is no astNode pushed
	 * on the this.astStack.
	 * Look at the InterfaceMemberDeclarations for an example.
	 */

	this.astLengthStack[this.astLengthPtr - 1] += this.astLengthStack[this.astLengthPtr--];
}