org.objectweb.asm.tree.LocalVariableAnnotationNode Maven / Gradle / Ivy
/***
* 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
*/
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.
*/
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 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 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 TypeReference}.
* @param 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.
* @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 {@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
* null 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(start.length);
this.start.addAll(Arrays.asList(start));
this.end = new ArrayList(end.length);
this.end.addAll(Arrays.asList(end));
this.index = new ArrayList(index.length);
for (int i : index) {
this.index.add(i);
}
}
/**
* Makes the given visitor visit this type annotation.
*
* @param mv
* the visitor that must visit this annotation.
* @param visible
* true 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));
}
}
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