langtools/src/share/classes/com/sun/tools/javac/parser/EndPosTable.java
changeset 13177 a2cf86579ad4
parent 13176 2c1fa96ba3d7
parent 13082 9b19b2302c28
child 13178 1da54b30d607
equal deleted inserted replaced
13176:2c1fa96ba3d7 13177:a2cf86579ad4
     1 /*
       
     2  * Copyright (c) 2011, Oracle and/or its affiliates. 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.  Oracle designates this
       
     8  * particular file as subject to the "Classpath" exception as provided
       
     9  * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
       
    22  * or visit www.oracle.com if you need additional information or have any
       
    23  * questions.
       
    24  */
       
    25 package com.sun.tools.javac.parser;
       
    26 
       
    27 import com.sun.tools.javac.tree.JCTree;
       
    28 
       
    29 /**
       
    30  * Specifies the methods to access a mappings of syntax trees to end positions.
       
    31  * <p><b>This is NOT part of any supported API.
       
    32  * If you write code that depends on this, you do so at your own
       
    33  * risk.  This code and its internal interfaces are subject to change
       
    34  * or deletion without notice.</b></p>
       
    35  */
       
    36 public interface EndPosTable {
       
    37 
       
    38     /**
       
    39      * This method will return the end position of a given tree, otherwise a
       
    40      * Positions.NOPOS will be returned.
       
    41      * @param tree JCTree
       
    42      * @return position of the source tree or Positions.NOPOS for non-existent mapping
       
    43      */
       
    44     public int getEndPos(JCTree tree);
       
    45 
       
    46     /**
       
    47      * Give an old tree and a new tree, the old tree will be replaced with
       
    48      * the new tree, the position of the new tree will be that of the old
       
    49      * tree.
       
    50      * not exist.
       
    51      * @param oldtree a JCTree to be replaced
       
    52      * @param newtree a JCTree to be replaced with
       
    53      * @return position of the old tree or Positions.NOPOS for non-existent mapping
       
    54      */
       
    55     public int replaceTree(JCTree oldtree, JCTree newtree);
       
    56 }