JDK 11 jdk.jdeps.jmod - JDeps Tool

JDK 11 jdk.jdeps.jmod is the JMOD file for JDK 11 JDeps tool, which can be invoked by the "jdeps" command.

JDK 11 JDeps tool compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\jdk.jdeps.jmod.

JDK 11 JDeps tool compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.

JDK 11 JDeps tool source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\jdk.jdeps.

You can click and view the content of each source code file in the list below.

✍: FYIcenter

com/sun/tools/classfile/Code_attribute.java

/*
 * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 */

package com.sun.tools.classfile;

import java.io.IOException;
import java.util.Iterator;
import java.util.NoSuchElementException;

/**
 * See JVMS, section 4.8.3.
 *
 *  <p><b>This is NOT part of any supported API.
 *  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.</b>
 */
public class Code_attribute extends Attribute {
    public static class InvalidIndex extends AttributeException {
        private static final long serialVersionUID = -8904527774589382802L;
        InvalidIndex(int index) {
            this.index = index;
        }

        @Override
        public String getMessage() {
            // i18n
            return "invalid index " + index + " in Code attribute";
        }

        public final int index;
    }

    Code_attribute(ClassReader cr, int name_index, int length)
            throws IOException, ConstantPoolException {
        super(name_index, length);
        max_stack = cr.readUnsignedShort();
        max_locals = cr.readUnsignedShort();
        code_length = cr.readInt();
        code = new byte[code_length];
        cr.readFully(code);
        exception_table_length = cr.readUnsignedShort();
        exception_table = new Exception_data[exception_table_length];
        for (int i = 0; i < exception_table_length; i++)
            exception_table[i] = new Exception_data(cr);
        attributes = new Attributes(cr);
    }

    public int getByte(int offset) throws InvalidIndex {
        if (offset < 0 || offset >= code.length)
            throw new InvalidIndex(offset);
        return code[offset];
    }

    public int getUnsignedByte(int offset) throws InvalidIndex {
        if (offset < 0 || offset >= code.length)
            throw new InvalidIndex(offset);
        return code[offset] & 0xff;
    }

    public int getShort(int offset) throws InvalidIndex {
        if (offset < 0 || offset + 1 >= code.length)
            throw new InvalidIndex(offset);
        return (code[offset] << 8) | (code[offset + 1] & 0xFF);
    }

    public int getUnsignedShort(int offset) throws InvalidIndex {
        if (offset < 0 || offset + 1 >= code.length)
            throw new InvalidIndex(offset);
        return ((code[offset] << 8) | (code[offset + 1] & 0xFF)) & 0xFFFF;
    }

    public int getInt(int offset) throws InvalidIndex {
        if (offset < 0 || offset + 3 >= code.length)
            throw new InvalidIndex(offset);
        return (getShort(offset) << 16) | (getShort(offset + 2) & 0xFFFF);
    }

    public <R, D> R accept(Visitor<R, D> visitor, D data) {
        return visitor.visitCode(this, data);
    }

    public Iterable<Instruction> getInstructions() {
        return () -> new Iterator<Instruction>() {

            public boolean hasNext() {
                return (next != null);
            }

            public Instruction next() {
                if (next == null)
                    throw new NoSuchElementException();

                current = next;
                pc += current.length();
                next = (pc < code.length ? new Instruction(code, pc) : null);
                return current;
            }

            public void remove() {
                throw new UnsupportedOperationException("Not supported.");
            }

            Instruction current = null;
            int pc = 0;
            Instruction next = new Instruction(code, pc);

        };
    }

    public final int max_stack;
    public final int max_locals;
    public final int code_length;
    public final byte[] code;
    public final int exception_table_length;
    public final Exception_data[] exception_table;
    public final Attributes attributes;

    public static class Exception_data {
        Exception_data(ClassReader cr) throws IOException {
            start_pc = cr.readUnsignedShort();
            end_pc = cr.readUnsignedShort();
            handler_pc = cr.readUnsignedShort();
            catch_type = cr.readUnsignedShort();
        }

        public final int start_pc;
        public final int end_pc;
        public final int handler_pc;
        public final int catch_type;
    }
}

com/sun/tools/classfile/Code_attribute.java

 

JDK 11 jdk.jdi.jmod - JDI Tool

JDK 11 jdk.jconsole.jmod - JConsole Tool

Download and Use JDK 11

⇑⇑ FAQ for JDK (Java Development Kit)

2018-11-09, 2977👍, 0💬