com.google.gwt.dev.asm.tree.LookupSwitchInsnNode Maven / Gradle / Ivy
/***
* ASM: a very small and fast Java bytecode manipulation framework
* Copyright (c) 2000-2007 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
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package com.google.gwt.dev.asm.tree;
import com.google.gwt.dev.asm.Label;
import com.google.gwt.dev.asm.Opcodes;
import com.google.gwt.dev.asm.MethodVisitor;
import java.util.List;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Map;
/**
* A node that represents a LOOKUPSWITCH instruction.
*
* @author Eric Bruneton
*/
public class LookupSwitchInsnNode extends AbstractInsnNode {
/**
* Beginning of the default handler block.
*/
public LabelNode dflt;
/**
* The values of the keys. This list is a list of {@link Integer} objects.
*/
public List keys;
/**
* Beginnings of the handler blocks. This list is a list of
* {@link LabelNode} objects.
*/
public List labels;
/**
* Constructs a new {@link LookupSwitchInsnNode}.
*
* @param dflt beginning of the default handler block.
* @param keys the values of the keys.
* @param labels beginnings of the handler blocks. labels[i] is
* the beginning of the handler block for the keys[i] key.
*/
public LookupSwitchInsnNode(
final LabelNode dflt,
final int[] keys,
final LabelNode[] labels)
{
super(Opcodes.LOOKUPSWITCH);
this.dflt = dflt;
this.keys = new ArrayList(keys == null ? 0 : keys.length);
this.labels = new ArrayList(labels == null ? 0 : labels.length);
if (keys != null) {
for (int i = 0; i < keys.length; ++i) {
this.keys.add(new Integer(keys[i]));
}
}
if (labels != null) {
this.labels.addAll(Arrays.asList(labels));
}
}
public int getType() {
return LOOKUPSWITCH_INSN;
}
public void accept(final MethodVisitor mv) {
int[] keys = new int[this.keys.size()];
for (int i = 0; i < keys.length; ++i) {
keys[i] = ((Integer) this.keys.get(i)).intValue();
}
Label[] labels = new Label[this.labels.size()];
for (int i = 0; i < labels.length; ++i) {
labels[i] = ((LabelNode) this.labels.get(i)).getLabel();
}
mv.visitLookupSwitchInsn(dflt.getLabel(), keys, labels);
}
public AbstractInsnNode clone(final Map labels) {
LookupSwitchInsnNode clone = new LookupSwitchInsnNode(clone(dflt,
labels), null, clone(this.labels, labels));
clone.keys.addAll(keys);
return clone;
}
}