1 /*

     2  * Copyright 2005 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  */

    25 

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

    27 

    28 import javax.tools.JavaFileObject;

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

    30 

    31 /**

    32  * Implementation of model API SourcePosition based on javac internal state.

    33  *

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

    35  * If you write code that depends on this, you do so at your own

    36  * risk.  This code and its internal interfaces are subject to change

    37  * or deletion without notice.</b></p>

    38  */

    39 class JavacSourcePosition {

    40 

    41     final JavaFileObject sourcefile;

    42     final int pos;

    43     final Position.LineMap lineMap;

    44 

    45     JavacSourcePosition(JavaFileObject sourcefile,

    46                         int pos,

    47                         Position.LineMap lineMap) {

    48         this.sourcefile = sourcefile;

    49         this.pos = pos;

    50         this.lineMap = (pos != Position.NOPOS) ? lineMap : null;

    51     }

    52 

    53     public JavaFileObject getFile() {

    54         return sourcefile;

    55     }

    56 

    57     public int getOffset() {

    58         return pos;     // makes use of fact that Position.NOPOS == -1

    59     }

    60 

    61     public int getLine() {

    62         return (lineMap != null) ? lineMap.getLineNumber(pos) : -1;

    63     }

    64 

    65     public int getColumn() {

    66         return (lineMap != null) ? lineMap.getColumnNumber(pos) : -1;

    67     }

    68 

    69     public String toString() {

    70         int line = getLine();

    71         return (line > 0)

    72               ? sourcefile + ":" + line

    73               : sourcefile.toString();

    74     }

    75 }