diff options
Diffstat (limited to 'bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/java/jspel/JJTJSPELParserState.java')
-rw-r--r-- | bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/java/jspel/JJTJSPELParserState.java | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/java/jspel/JJTJSPELParserState.java b/bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/java/jspel/JJTJSPELParserState.java deleted file mode 100644 index 6e7436c2c9..0000000000 --- a/bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/java/jspel/JJTJSPELParserState.java +++ /dev/null @@ -1,134 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2005 BEA Systems and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * BEA Systems - initial implementation - * - *******************************************************************************/ -/* Generated By:JJTree: Do not edit this line. JJTJSPELParserState.java */ - -package org.eclipse.jst.jsp.core.internal.java.jspel; - -class JJTJSPELParserState { - 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; - - JJTJSPELParserState() { - 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; - } - } -} |