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/***
 * 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
 * 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.mockito.asm.tree.analysis;

import java.util.Set;

import org.mockito.asm.tree.AbstractInsnNode;

/**
 * A {@link Value} that is represented by its type in a two types type system.
 * This type system distinguishes the ONEWORD and TWOWORDS types.
 * 
 * @author Eric Bruneton
 */
public class SourceValue implements Value {

    /**
     * The size of this value.
     */
    public final int size;

    /**
     * The instructions that can produce this value. For example, for the Java
     * code below, the instructions that can produce the value of i
     * at line 5 are the txo ISTORE instructions at line 1 and 3:
     * 
     * 
     * 1: i = 0;
     * 2: if (...) {
     * 3:   i = 1;
     * 4: }
     * 5: return i;
     * 
* * This field is a set of {@link AbstractInsnNode} objects. */ public final Set insns; public SourceValue(final int size) { this(size, SmallSet.EMPTY_SET); } public SourceValue(final int size, final AbstractInsnNode insn) { this.size = size; this.insns = new SmallSet(insn, null); } public SourceValue(final int size, final Set insns) { this.size = size; this.insns = insns; } public int getSize() { return size; } public boolean equals(final Object value) { if (!(value instanceof SourceValue)) { return false; } SourceValue v = (SourceValue) value; return size == v.size && insns.equals(v.insns); } public int hashCode() { return insns.hashCode(); } }




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