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/*
* Copyright (c) 2007 Sun Microsystems, Inc. All rights reserved.
*
* Sun Microsystems, Inc. has intellectual property rights relating to technology embodied in the product
* that is described in this document. In particular, and without limitation, these intellectual property
* rights may include one or more of the U.S. patents listed at http://www.sun.com/patents and one or
* more additional patents or pending patent applications in the U.S. and in other countries.
*
* U.S. Government Rights - Commercial software. Government users are subject to the Sun
* Microsystems, Inc. standard license agreement and applicable provisions of the FAR and its
* supplements.
*
* Use is subject to license terms. Sun, Sun Microsystems, the Sun logo, Java and Solaris are trademarks or
* registered trademarks of Sun Microsystems, Inc. in the U.S. and other countries. All SPARC trademarks
* are used under license and are trademarks or registered trademarks of SPARC International, Inc. in the
* U.S. and other countries.
*
* UNIX is a registered trademark in the U.S. and other countries, exclusively licensed through X/Open
* Company, Ltd.
*/
package com.sun.max.util;
import java.util.*;
import com.sun.max.program.*;
/**
* @author Bernd Mathiske
*/
final class ListSymbolizer<S extends Symbol> implements Symbolizer<S> {
private final Class<S> symbolType;
private final List<S> symbols;
ListSymbolizer(Class<S> symbolType, List<S> symbols) {
if (symbolType.getName().startsWith("com.sun.max.asm") && Symbolizer.Static.hasPackageExternalAccessibleConstructors(symbolType)) {
// This test ensures that values passed for symbolic parameters of methods in the
// generated assemblers are guaranteed to be legal (assuming client code does not
// inject its own classes into the package where the symbol classes are defined).
ProgramError.unexpected("type of assembler symbol can have values constructed outside of defining package: " + symbolType);
}
this.symbolType = symbolType;
this.symbols = symbols;
ProgramError.check(!symbols.isEmpty());
}
public Class<S> type() {
return symbolType;
}
public int numberOfValues() {
return symbols.size();
}
public S fromValue(int value) {
for (S symbol : symbols) {
if (symbol.value() == value) {
return symbol;
}
}
return null;
}
public Iterator<S> iterator() {
return symbols.iterator();
}
}