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/*
 * Copyright 2005-2006 Sun Microsystems, Inc.  All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Sun designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Sun in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */

package com.sun.tools.javac.parser;

import java.util.Map;
import java.util.HashMap;
import com.sun.tools.javac.tree.JCTree;
import com.sun.tools.javac.tree.TreeInfo;
import com.sun.tools.javac.util.Position;
import com.sun.tools.javac.util.List;
import com.sun.tools.javac.util.Version;

import static com.sun.tools.javac.tree.JCTree.*;

/**
 * This class is similar to Parser except that it stores ending
 * positions for the tree nodes.
 *
 * 

This is NOT part of any API supported by Sun Microsystems. * If you write code that depends on this, you do so at your own risk. * This code and its internal interfaces are subject to change or * deletion without notice.

*/ @Version("@(#)EndPosParser.java 1.13 07/05/05") public class EndPosParser extends Parser { public EndPosParser(Factory fac, Lexer S, boolean keepDocComments) { super(fac, S, keepDocComments); this.S = S; endPositions = new HashMap(); } private Lexer S; /** A hashtable to store ending positions * of source ranges indexed by the tree nodes. * Defined only if option flag genEndPos is set. */ Map endPositions; /** {@inheritDoc} */ @Override protected void storeEnd(JCTree tree, int endpos) { int errorEndPos = getErrorEndPos(); endPositions.put(tree, errorEndPos > endpos ? errorEndPos : endpos); } /** {@inheritDoc} */ @Override protected T to(T t) { storeEnd(t, S.endPos()); return t; } /** {@inheritDoc} */ @Override protected T toP(T t) { storeEnd(t, S.prevEndPos()); return t; } @Override public JCCompilationUnit compilationUnit() { JCCompilationUnit t = super.compilationUnit(); t.endPositions = endPositions; return t; } /** {@inheritDoc} */ @Override JCExpression parExpression() { int pos = S.pos(); JCExpression t = super.parExpression(); return toP(F.at(pos).Parens(t)); } /** {@inheritDoc} */ @Override public int getEndPos(JCTree tree) { return TreeInfo.getEndPos(tree, endPositions); } }




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