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Java example source code file (OutlineableChunkStart.java)

This example Java source code file (OutlineableChunkStart.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

instruction, markerinstruction, outlineablechunkstart, string

The OutlineableChunkStart.java Java example source code

/*
 * reserved comment block
 * DO NOT REMOVE OR ALTER!
 */
/*
 * Copyright 2001-2004 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/*
 * $Id: MethodGenerator.java,v 1.10 2010-11-01 04:34:19 joehw Exp $
 */
package com.sun.org.apache.xalan.internal.xsltc.compiler.util;
import com.sun.org.apache.bcel.internal.generic.Instruction;

/**
 * <p>This pseudo-instruction marks the beginning of a region of byte code that
 * can be copied into a new method, termed an "outlineable" chunk.  The size of
 * the Java stack must be the same at the start of the region as it is at the
 * end of the region, any value on the stack at the start of the region must not
 * be consumed by an instruction in the region of code, the region must not
 * contain a return instruction, no branch instruction in the region is
 * permitted to have a target that is outside the region, and no branch
 * instruction outside the region is permitted to have a target that is inside
 * the region.</p>
 * <p>The end of the region is marked by an {@link OutlineableChunkEnd}
 * pseudo-instruction.</p>
 * <p>Such a region of code may contain other outlineable regions.

*/ class OutlineableChunkStart extends MarkerInstruction { /** * A constant instance of {@link OutlineableChunkStart}. As it has no fields, * there should be no need to create an instance of this class. */ public static final Instruction OUTLINEABLECHUNKSTART = new OutlineableChunkStart(); /** * Private default constructor. As it has no fields, * there should be no need to create an instance of this class. See * {@link OutlineableChunkStart#OUTLINEABLECHUNKSTART}. */ private OutlineableChunkStart() { } /** * Get the name of this instruction. Used for debugging. * @return the instruction name */ public String getName() { return OutlineableChunkStart.class.getName(); } /** * Get the name of this instruction. Used for debugging. * @return the instruction name */ public String toString() { return getName(); } /** * Get the name of this instruction. Used for debugging. * @return the instruction name */ public String toString(boolean verbose) { return getName(); } }

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