jdk8-mips64-public/langtools: src/share/classes/sun/tools/javap/StackMapData.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 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  */

    27 package sun.tools.javap;

    29 import java.util.*;

    30 import java.io.*;

    32 import static sun.tools.javap.RuntimeConstants.*;

    34 /* represents one entry of StackMap attribute

    35  */

    36 class StackMapData {

    37     final int offset;

    38     final int[] locals;

    39     final int[] stack;

    41     StackMapData(int offset, int[] locals, int[] stack) {

    42         this.offset = offset;

    43         this.locals = locals;

    44         this.stack = stack;

    45     }

    47     StackMapData(DataInputStream in, MethodData method) throws IOException {

    48         offset = in.readUnsignedShort();

    49         int local_size = in.readUnsignedShort();

    50         locals = readTypeArray(in, local_size, method);

    51         int stack_size = in.readUnsignedShort();

    52         stack = readTypeArray(in, stack_size, method);

    53     }

    55     static final int[] readTypeArray(DataInputStream in, int length, MethodData method) throws IOException {

    56         int[] types = new int[length];

    57         for (int i=0; i<length; i++) {

    58             types[i] = readType(in, method);

    59         }

    60         return types;

    61     }

    63     static final int readType(DataInputStream in, MethodData method) throws IOException {

    64         int type = in.readUnsignedByte();

    65         if (type == ITEM_Object || type == ITEM_NewObject) {

    66             type = type | (in.readUnsignedShort()<<8);

    67         }

    68         return type;

    69     }

    71     void print(JavapPrinter p) {

    72         p.out.println("   " + offset + ":");

    73         p.printMap("    locals = [", locals);

    74         p.printMap("    stack = [", stack);

    75     }

    76 }

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