ASM: a very small and fast Java bytecode manipulation framework
Copyright (c) 2000-2011 INRIA, France Telecom
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/***
 * ASM: a very small and fast Java bytecode manipulation framework
 * Copyright (c) 2000-2011 INRIA, France Telecom
 * 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. Neither the name of the copyright holders nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS 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 COPYRIGHT OWNER OR 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.
 */

package org.objectweb.asm.tree;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import org.objectweb.asm.Label;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.TypePath;
import org.objectweb.asm.TypeReference;

A node that represents a type annotation on a local or resource variable.
Author:
Eric Bruneton/**
 * A node that represents a type annotation on a local or resource variable.
 * 
 * @author Eric Bruneton
 */
public class LocalVariableAnnotationNode extends TypeAnnotationNode {

    
The fist instructions corresponding to the continuous ranges that make
the scope of this local variable (inclusive). Must not be null.
/**
     * The fist instructions corresponding to the continuous ranges that make
     * the scope of this local variable (inclusive). Must not be <tt>null</tt>.
     */
    public List<LabelNode> start;

    
The last instructions corresponding to the continuous ranges that make
the scope of this local variable (exclusive). This list must have the
same size as the 'start' list. Must not be null.
/**
     * The last instructions corresponding to the continuous ranges that make
     * the scope of this local variable (exclusive). This list must have the
     * same size as the 'start' list. Must not be <tt>null</tt>.
     */
    public List<LabelNode> end;

    
The local variable's index in each range. This list must have the same
size as the 'start' list. Must not be null.
/**
     * The local variable's index in each range. This list must have the same
     * size as the 'start' list. Must not be <tt>null</tt>.
     */
    public List<Integer> index;

    
Constructs a new LocalVariableAnnotationNode. Subclasses must
not use this constructor. Instead, they must use the LocalVariableAnnotationNode(int, TypePath, LabelNode[], LabelNode[], int[], String) version. 
Params:
typeRef –  a reference to the annotated type. See TypeReference.
typePath – 
           the path to the annotated type argument, wildcard bound, array
           element type, or static inner type within 'typeRef'. May be
           null if the annotation targets 'typeRef' as a whole.
start – 
           the fist instructions corresponding to the continuous ranges
           that make the scope of this local variable (inclusive).
end – 
           the last instructions corresponding to the continuous ranges
           that make the scope of this local variable (exclusive). This
           array must have the same size as the 'start' array.
index – 
           the local variable's index in each range. This array must have
           the same size as the 'start' array.
desc – 
           the class descriptor of the annotation class./**
     * Constructs a new {@link LocalVariableAnnotationNode}. <i>Subclasses must
     * not use this constructor</i>. Instead, they must use the
     * {@link #LocalVariableAnnotationNode(int, TypePath, LabelNode[], LabelNode[], int[], String)}
     * version.
     * 
     * @param typeRef
     *            a reference to the annotated type. See {@link TypeReference}.
     * @param typePath
     *            the path to the annotated type argument, wildcard bound, array
     *            element type, or static inner type within 'typeRef'. May be
     *            <tt>null</tt> if the annotation targets 'typeRef' as a whole.
     * @param start
     *            the fist instructions corresponding to the continuous ranges
     *            that make the scope of this local variable (inclusive).
     * @param end
     *            the last instructions corresponding to the continuous ranges
     *            that make the scope of this local variable (exclusive). This
     *            array must have the same size as the 'start' array.
     * @param index
     *            the local variable's index in each range. This array must have
     *            the same size as the 'start' array.
     * @param desc
     *            the class descriptor of the annotation class.
     */
    public LocalVariableAnnotationNode(int typeRef, TypePath typePath,
            LabelNode[] start, LabelNode[] end, int[] index, String desc) {
        this(Opcodes.ASM5, typeRef, typePath, start, end, index, desc);
    }

    
Constructs a new LocalVariableAnnotationNode. 
Params:
api –  the ASM API version implemented by this visitor. Must be one of Opcodes.ASM4 or Opcodes.ASM5.
typeRef –  a reference to the annotated type. See TypeReference.
start – 
           the fist instructions corresponding to the continuous ranges
           that make the scope of this local variable (inclusive).
end – 
           the last instructions corresponding to the continuous ranges
           that make the scope of this local variable (exclusive). This
           array must have the same size as the 'start' array.
index – 
           the local variable's index in each range. This array must have
           the same size as the 'start' array.
typePath – 
           the path to the annotated type argument, wildcard bound, array
           element type, or static inner type within 'typeRef'. May be
           null if the annotation targets 'typeRef' as a whole.
desc – 
           the class descriptor of the annotation class./**
     * Constructs a new {@link LocalVariableAnnotationNode}.
     * 
     * @param api
     *            the ASM API version implemented by this visitor. Must be one
     *            of {@link Opcodes#ASM4} or {@link Opcodes#ASM5}.
     * @param typeRef
     *            a reference to the annotated type. See {@link TypeReference}.
     * @param start
     *            the fist instructions corresponding to the continuous ranges
     *            that make the scope of this local variable (inclusive).
     * @param end
     *            the last instructions corresponding to the continuous ranges
     *            that make the scope of this local variable (exclusive). This
     *            array must have the same size as the 'start' array.
     * @param index
     *            the local variable's index in each range. This array must have
     *            the same size as the 'start' array.
     * @param typePath
     *            the path to the annotated type argument, wildcard bound, array
     *            element type, or static inner type within 'typeRef'. May be
     *            <tt>null</tt> if the annotation targets 'typeRef' as a whole.
     * @param desc
     *            the class descriptor of the annotation class.
     */
    public LocalVariableAnnotationNode(int api, int typeRef, TypePath typePath,
            LabelNode[] start, LabelNode[] end, int[] index, String desc) {
        super(api, typeRef, typePath, desc);
        this.start = new ArrayList<LabelNode>(start.length);
        this.start.addAll(Arrays.asList(start));
        this.end = new ArrayList<LabelNode>(end.length);
        this.end.addAll(Arrays.asList(end));
        this.index = new ArrayList<Integer>(index.length);
        for (int i : index) {
            this.index.add(i);
        }
    }

    
Makes the given visitor visit this type annotation.
Params:
mv – 
           the visitor that must visit this annotation.
visible – 
           true if the annotation is visible at runtime./**
     * Makes the given visitor visit this type annotation.
     * 
     * @param mv
     *            the visitor that must visit this annotation.
     * @param visible
     *            <tt>true</tt> if the annotation is visible at runtime.
     */
    public void accept(final MethodVisitor mv, boolean visible) {
        Label[] start = new Label[this.start.size()];
        Label[] end = new Label[this.end.size()];
        int[] index = new int[this.index.size()];
        for (int i = 0; i < start.length; ++i) {
            start[i] = this.start.get(i).getLabel();
            end[i] = this.end.get(i).getLabel();
            index[i] = this.index.get(i);
        }
        accept(mv.visitLocalVariableAnnotation(typeRef, typePath, start, end,
                index, desc, true));
    }
}