| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| /* Generated By:JJTree: Do not edit this line. .\JJTJSParser20State.java */ |
| |
| package org.apache.myfaces.buildtools.maven2.plugin.javascript.javascript20parser; |
| |
| class JJTJSParser20State |
| { |
| private java.util.Stack nodes; |
| private java.util.Stack marks; |
| |
| private int sp;// number of nodes on stack |
| private int mk;// current mark |
| private boolean node_created; |
| |
| JJTJSParser20State() |
| { |
| nodes = new java.util.Stack(); |
| marks = new java.util.Stack(); |
| sp = 0; |
| mk = 0; |
| } |
| |
| /* Determines whether the current node was actually closed and |
| pushed. This should only be called in the final user action of a |
| node scope. */ |
| boolean nodeCreated() |
| { |
| return node_created; |
| } |
| |
| /* Call this to reinitialize the node stack. It is called |
| automatically by the parser's ReInit() method. */ |
| void reset() |
| { |
| nodes.removeAllElements(); |
| marks.removeAllElements(); |
| sp = 0; |
| mk = 0; |
| } |
| |
| /* Returns the root node of the AST. It only makes sense to call |
| this after a successful parse. */ |
| Node rootNode() |
| { |
| return (Node) nodes.elementAt(0); |
| } |
| |
| /* Pushes a node on to the stack. */ |
| void pushNode(Node n) |
| { |
| nodes.push(n); |
| ++sp; |
| } |
| |
| /* Returns the node on the top of the stack, and remove it from the |
| stack. */ |
| Node popNode() |
| { |
| |
| if (--sp < mk) |
| { |
| mk = ((Integer) marks.pop()).intValue(); |
| } |
| |
| return (Node) nodes.pop(); |
| } |
| |
| /* Returns the node currently on the top of the stack. */ |
| Node peekNode() |
| { |
| return (Node) nodes.peek(); |
| } |
| |
| /* Returns the number of children on the stack in the current node |
| scope. */ |
| int nodeArity() |
| { |
| return sp - mk; |
| } |
| |
| |
| void clearNodeScope(Node n) |
| { |
| |
| while (sp > mk) |
| { |
| popNode(); |
| } |
| |
| mk = ((Integer) marks.pop()).intValue(); |
| } |
| |
| |
| void openNodeScope(Node n) |
| { |
| marks.push(new Integer(mk)); |
| mk = sp; |
| n.jjtOpen(); |
| } |
| |
| |
| /* A definite node is constructed from a specified number of |
| children. That number of nodes are popped from the stack and |
| made the children of the definite node. Then the definite node |
| is pushed on to the stack. */ |
| void closeNodeScope(Node n, int num) |
| { |
| mk = ((Integer) marks.pop()).intValue(); |
| |
| while (num-- > 0) |
| { |
| Node c = popNode(); |
| c.jjtSetParent(n); |
| n.jjtAddChild(c, num); |
| } |
| |
| n.jjtClose(); |
| pushNode(n); |
| node_created = true; |
| } |
| |
| |
| /* A conditional node is constructed if its condition is true. All |
| the nodes that have been pushed since the node was opened are |
| made children of the the conditional node, which is then pushed |
| on to the stack. If the condition is false the node is not |
| constructed and they are left on the stack. */ |
| void closeNodeScope(Node n, boolean condition) |
| { |
| |
| if (condition) |
| { |
| int a = nodeArity(); |
| mk = ((Integer) marks.pop()).intValue(); |
| |
| while (a-- > 0) |
| { |
| Node c = popNode(); |
| c.jjtSetParent(n); |
| n.jjtAddChild(c, a); |
| } |
| |
| n.jjtClose(); |
| pushNode(n); |
| node_created = true; |
| } |
| else |
| { |
| mk = ((Integer) marks.pop()).intValue(); |
| node_created = false; |
| } |
| } |
| } |