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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.List;
import org.objectweb.asm.Label;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.TypePath;
/**
* 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 {@literal null}.
*/
public List 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
* {@literal null}.
*/
public List end;
/**
* The local variable's index in each range. This list must have the same size as the 'start'
* list. Must not be {@literal null}.
*/
public List index;
/**
* Constructs a new {@link LocalVariableAnnotationNode}. Subclasses must not use this
* constructor. Instead, they must use the {@link #LocalVariableAnnotationNode(int, TypePath,
* LabelNode[], LabelNode[], int[], String)} version.
*
* @param typeRef a reference to the annotated type. See {@link org.objectweb.asm.TypeReference}.
* @param typePath the path to the annotated type argument, wildcard bound, array element type, or
* static inner type within 'typeRef'. May be {@literal null} 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 descriptor the class descriptor of the annotation class.
*/
public LocalVariableAnnotationNode(
final int typeRef,
final TypePath typePath,
final LabelNode[] start,
final LabelNode[] end,
final int[] index,
final String descriptor) {
this(/* latest api = */ Opcodes.ASM9, typeRef, typePath, start, end, index, descriptor);
}
/**
* Constructs a new {@link LocalVariableAnnotationNode}.
*
* @param api the ASM API version implemented by this visitor. Must be one of the {@code
* ASM}x values in {@link Opcodes}.
* @param typeRef a reference to the annotated type. See {@link org.objectweb.asm.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 {@literal null} if the annotation targets
* 'typeRef' as a whole.
* @param descriptor the class descriptor of the annotation class.
*/
public LocalVariableAnnotationNode(
final int api,
final int typeRef,
final TypePath typePath,
final LabelNode[] start,
final LabelNode[] end,
final int[] index,
final String descriptor) {
super(api, typeRef, typePath, descriptor);
this.start = Util.asArrayList(start);
this.end = Util.asArrayList(end);
this.index = Util.asArrayList(index);
}
/**
* Makes the given visitor visit this type annotation.
*
* @param methodVisitor the visitor that must visit this annotation.
* @param visible {@literal true} if the annotation is visible at runtime.
*/
public void accept(final MethodVisitor methodVisitor, final boolean visible) {
Label[] startLabels = new Label[this.start.size()];
Label[] endLabels = new Label[this.end.size()];
int[] indices = new int[this.index.size()];
for (int i = 0, n = startLabels.length; i < n; ++i) {
startLabels[i] = this.start.get(i).getLabel();
endLabels[i] = this.end.get(i).getLabel();
indices[i] = this.index.get(i);
}
accept(
methodVisitor.visitLocalVariableAnnotation(
typeRef, typePath, startLabels, endLabels, indices, desc, visible));
}
}
