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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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package sun.tools.asm;

import sun.tools.java.*;
import java.io.IOException;
import java.io.DataOutputStream;

A numeric constant pool item. Can either be integer, float, long or double.
WARNING: The contents of this source file are not part of any
supported API.  Code that depends on them does so at its own risk:
they are subject to change or removal without notice.
/**
 * A numeric constant pool item. Can either be integer, float, long or double.
 *
 * WARNING: The contents of this source file are not part of any
 * supported API.  Code that depends on them does so at its own risk:
 * they are subject to change or removal without notice.
 */
final
class NumberConstantData extends ConstantPoolData {
    Number num;

    
Constructor
/**
     * Constructor
     */
    NumberConstantData(ConstantPool tab, Number num) {
        this.num = num;
    }

    
Write the constant to the output stream
/**
     * Write the constant to the output stream
     */
    void write(Environment env, DataOutputStream out, ConstantPool tab) throws IOException {
        if (num instanceof Integer) {
            out.writeByte(CONSTANT_INTEGER);
            out.writeInt(num.intValue());
        } else if (num instanceof Long) {
            out.writeByte(CONSTANT_LONG);
            out.writeLong(num.longValue());
        } else if (num instanceof Float) {
            out.writeByte(CONSTANT_FLOAT);
            out.writeFloat(num.floatValue());
        } else if (num instanceof Double) {
            out.writeByte(CONSTANT_DOUBLE);
            out.writeDouble(num.doubleValue());
        }
    }
    
Return the order of the constant
/**
     * Return the order of the constant
     */
    int order() {
        return (width() == 1) ? 0 : 3;
    }

    
Return the number of entries that it takes up in the constant pool
/**
     * Return the number of entries that it takes up in the constant pool
     */
    int width() {
        return ((num instanceof Double) || (num instanceof Long)) ? 2 : 1;
    }
}