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JRE 8 rt.jar - com.* Package Source Code
JRE 8 rt.jar is the JAR file for JRE 8 RT (Runtime) libraries. JRE (Java Runtime) 8 is the runtime environment included in JDK 8. JRE 8 rt.jar libraries are divided into 6 packages:
com.* - Internal Oracle and Sun Microsystems libraries java.* - Standard Java API libraries. javax.* - Extended Java API libraries. jdk.* - JDK supporting libraries. org.* - Third party libraries. sun.* - Old libraries developed by Sun Microsystems.
JAR File Information:
Directory of C:\fyicenter\jdk-1.8.0_191\jre\lib 63,596,151 rt.jar
Here is the list of Java classes of the com.* package in JRE 1.8.0_191 rt.jar. Java source codes are also provided.
✍: FYIcenter
⏎ com/sun/org/apache/bcel/internal/generic/LocalVariableGen.java
/* * Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. */ package com.sun.org.apache.bcel.internal.generic; /* ==================================================================== * The Apache Software License, Version 1.1 * * Copyright (c) 2001 The Apache Software Foundation. All rights * reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. The end-user documentation included with the redistribution, * if any, must include the following acknowledgment: * "This product includes software developed by the * Apache Software Foundation (http://www.apache.org/)." * Alternately, this acknowledgment may appear in the software itself, * if and wherever such third-party acknowledgments normally appear. * * 4. The names "Apache" and "Apache Software Foundation" and * "Apache BCEL" must not be used to endorse or promote products * derived from this software without prior written permission. For * written permission, please contact apache@apache.org. * * 5. Products derived from this software may not be called "Apache", * "Apache BCEL", nor may "Apache" appear in their name, without * prior written permission of the Apache Software Foundation. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. */ import com.sun.org.apache.bcel.internal.Constants; import com.sun.org.apache.bcel.internal.classfile.*; import java.util.Objects; /** * This class represents a local variable within a method. It contains its * scope, name and type. The generated LocalVariable object can be obtained * with getLocalVariable which needs the instruction list and the constant * pool as parameters. * * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A> * @see LocalVariable * @see MethodGen */ public class LocalVariableGen implements InstructionTargeter, NamedAndTyped, Cloneable, java.io.Serializable { private final int index; private String name; private Type type; private InstructionHandle start, end; /** * Generate a local variable that with index `index'. Note that double and long * variables need two indexs. Index indices have to be provided by the user. * * @param index index of local variable * @param name its name * @param type its type * @param start from where the instruction is valid (null means from the start) * @param end until where the instruction is valid (null means to the end) */ public LocalVariableGen(int index, String name, Type type, InstructionHandle start, InstructionHandle end) { if((index < 0) || (index > Constants.MAX_SHORT)) throw new ClassGenException("Invalid index index: " + index); this.name = name; this.type = type; this.index = index; setStart(start); setEnd(end); } /** * Get LocalVariable object. * * This relies on that the instruction list has already been dumped to byte code or * or that the `setPositions' methods has been called for the instruction list. * * Note that for local variables whose scope end at the last * instruction of the method's code, the JVM specification is ambiguous: * both a start_pc+length ending at the last instruction and * start_pc+length ending at first index beyond the end of the code are * valid. * * @param il instruction list (byte code) which this variable belongs to * @param cp constant pool */ public LocalVariable getLocalVariable(ConstantPoolGen cp) { int start_pc = start.getPosition(); int length = end.getPosition() - start_pc; if(length > 0) length += end.getInstruction().getLength(); int name_index = cp.addUtf8(name); int signature_index = cp.addUtf8(type.getSignature()); return new LocalVariable(start_pc, length, name_index, signature_index, index, cp.getConstantPool()); } public int getIndex() { return index; } @Override public void setName(String name) { this.name = name; } @Override public String getName() { return name; } @Override public void setType(Type type) { this.type = type; } @Override public Type getType() { return type; } public InstructionHandle getStart() { return start; } public InstructionHandle getEnd() { return end; } /** * Remove this from any known HashSet in which it might be registered. */ void notifyTargetChanging() { // hashCode depends on 'index', 'start', and 'end'. // Therefore before changing any of these values we // need to unregister 'this' from any HashSet where // this is registered, and then we need to add it // back... // Unregister 'this' from the HashSet held by 'start'. BranchInstruction.notifyTargetChanging(this.start, this); if (this.end != this.start) { // Since hashCode() is going to change we need to unregister // 'this' both form 'start' and 'end'. // Unregister 'this' from the HashSet held by 'end'. BranchInstruction.notifyTargetChanging(this.end, this); } } /** * Add back 'this' in all HashSet in which it should be registered. **/ void notifyTargetChanged() { // hashCode depends on 'index', 'start', and 'end'. // Therefore before changing any of these values we // need to unregister 'this' from any HashSet where // this is registered, and then we need to add it // back... // Register 'this' in the HashSet held by start. BranchInstruction.notifyTargetChanged(this.start, this); if (this.end != this.start) { // Since hashCode() has changed we need to register // 'this' again in 'end'. // Add back 'this' in the HashSet held by 'end'. BranchInstruction.notifyTargetChanged(this.end, this); } } public final void setStart(InstructionHandle start) { // Call notifyTargetChanging *before* modifying this, // as the code triggered by notifyTargetChanging // depends on this pointing to the 'old' start. notifyTargetChanging(); this.start = start; // call notifyTargetChanged *after* modifying this, // as the code triggered by notifyTargetChanged // depends on this pointing to the 'new' start. notifyTargetChanged(); } public final void setEnd(InstructionHandle end) { // call notifyTargetChanging *before* modifying this, // as the code triggered by notifyTargetChanging // depends on this pointing to the 'old' end. // Unregister 'this' from the HashSet held by the 'old' end. notifyTargetChanging(); this.end = end; // call notifyTargetChanged *after* modifying this, // as the code triggered by notifyTargetChanged // depends on this pointing to the 'new' end. // Register 'this' in the HashSet held by the 'new' end. notifyTargetChanged(); } /** * @param old_ih old target, either start or end * @param new_ih new target */ @Override public void updateTarget(InstructionHandle old_ih, InstructionHandle new_ih) { boolean targeted = false; if(start == old_ih) { targeted = true; setStart(new_ih); } if(end == old_ih) { targeted = true; setEnd(new_ih); } if(!targeted) throw new ClassGenException("Not targeting " + old_ih + ", but {" + start + ", " + end + "}"); } /** * @return true, if ih is target of this variable */ @Override public boolean containsTarget(InstructionHandle ih) { return (start == ih) || (end == ih); } /** * We consider two local variables to be equal, if they use the same index and * are valid in the same range. */ @Override public boolean equals(Object o) { if (o==this) return true; if(!(o instanceof LocalVariableGen)) return false; LocalVariableGen l = (LocalVariableGen)o; return (l.index == index) && (l.start == start) && (l.end == end); } @Override public int hashCode() { int hash = 7; hash = 59 * hash + this.index; hash = 59 * hash + Objects.hashCode(this.start); hash = 59 * hash + Objects.hashCode(this.end); return hash; } @Override public String toString() { return "LocalVariableGen(" + name + ", " + type + ", " + start + ", " + end + ")"; } @Override public Object clone() { try { return super.clone(); } catch(CloneNotSupportedException e) { System.err.println(e); return null; } } }
⏎ com/sun/org/apache/bcel/internal/generic/LocalVariableGen.java
Or download all of them as a single archive file:
File name: jre-rt-com-1.8.0_191-src.zip File size: 8099783 bytes Release date: 2018-10-28 Download
⇒ Backup JDK 8 Installation Directory
2023-02-07, 254074👍, 3💬
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