/* * Copyright (c) 1994, 2003, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */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. */finalclass NumberConstantData extends ConstantPoolData { Number num; /** * Constructor */ NumberConstantData(ConstantPool tab, Number num) { this.num = num; } /** * 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 */ int order() { return (width() == 1) ? 0 : 3; } /** * Return the number of entries that it takes up in the constant pool */ int width() { return ((num instanceof Double) || (num instanceof Long)) ? 2 : 1; }}
/*
* Copyright (c) 1994, 2003, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
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.
*/
final
class NumberConstantData extends ConstantPoolData {
Number num;
/**
* Constructor
*/
NumberConstantData(ConstantPool tab, Number num) {
this.num = num;
}
/**
* 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
*/
int order() {
return (width() == 1) ? 0 : 3;
}
/**
* Return the number of entries that it takes up in the constant pool
*/
int width() {
return ((num instanceof Double) || (num instanceof Long)) ? 2 : 1;
}
}