jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/javac/parser/EndPosParser.java@eaf608c64fec

6719955: Update copyright year
Summary: Update copyright year for files that have been modified in 2008
Reviewed-by: ohair, tbell

     1 /*

     2  * Copyright 2005-2006 Sun Microsystems, Inc.  All Rights Reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Sun designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Sun in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    22  * CA 95054 USA or visit www.sun.com if you need additional information or

    23  * have any questions.

    24  */

    26 package com.sun.tools.javac.parser;

    28 import java.util.Map;

    29 import java.util.HashMap;

    30 import com.sun.tools.javac.tree.JCTree;

    31 import com.sun.tools.javac.tree.TreeInfo;

    32 import com.sun.tools.javac.util.Position;

    33 import com.sun.tools.javac.util.List;

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

    37 /**

    38  * This class is similar to Parser except that it stores ending

    39  * positions for the tree nodes.

    40  *

    41  * <p><b>This is NOT part of any API supported by Sun Microsystems.

    42  * If you write code that depends on this, you do so at your own risk.

    43  * This code and its internal interfaces are subject to change or

    44  * deletion without notice.</b></p>

    45  */

    46 public class EndPosParser extends Parser {

    48     public EndPosParser(Factory fac, Lexer S, boolean keepDocComments) {

    49         super(fac, S, keepDocComments);

    50         this.S = S;

    51         endPositions = new HashMap<JCTree,Integer>();

    52     }

    54     private Lexer S;

    56     /** A hashtable to store ending positions

    57      *  of source ranges indexed by the tree nodes.

    58      *  Defined only if option flag genEndPos is set.

    59      */

    60     Map<JCTree, Integer> endPositions;

    62     /** {@inheritDoc} */

    63     @Override

    64     protected void storeEnd(JCTree tree, int endpos) {

    65         int errorEndPos = getErrorEndPos();

    66         endPositions.put(tree, errorEndPos > endpos ? errorEndPos : endpos);

    67     }

    69     /** {@inheritDoc} */

    70     @Override

    71     protected <T extends JCTree> T to(T t) {

    72         storeEnd(t, S.endPos());

    73         return t;

    74     }

    76     /** {@inheritDoc} */

    77     @Override

    78     protected <T extends JCTree> T toP(T t) {

    79         storeEnd(t, S.prevEndPos());

    80         return t;

    81     }

    83     @Override

    84     public JCCompilationUnit compilationUnit() {

    85         JCCompilationUnit t = super.compilationUnit();

    86         t.endPositions = endPositions;

    87         return t;

    88     }

    90     /** {@inheritDoc} */

    91     @Override

    92     JCExpression parExpression() {

    93         int pos = S.pos();

    94         JCExpression t = super.parExpression();

    95         return toP(F.at(pos).Parens(t));

    96     }

    98     /** {@inheritDoc} */

    99     @Override

   100     public int getEndPos(JCTree tree) {

   101         return TreeInfo.getEndPos(tree, endPositions);

   102     }

   104 }

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