ClassConstantData.java

/*
 * Copyright 1994-2003 Sun Microsystems, Inc.  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.  Sun designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.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;

/**
 * This is a class constant pool item.
 *
 * 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 ClassConstantData extends ConstantPoolData {
    String name;

    /**
     * Constructor
     */

    ClassConstantData(ConstantPool tab, ClassDeclaration clazz) {
        String sig = clazz.getType().getTypeSignature();
        // sig is like "Lfoo/bar;", name is like "foo/bar".
        // We assume SIG_CLASS and SIG_ENDCLASS are 1 char each.
        name = sig.substring(1, sig.length()-1);
        tab.put(name);
    }

    // REMIND: this case should eventually go away.
    ClassConstantData(ConstantPool tab, Type t) {
        name = t.getTypeSignature();
        tab.put(name);
    }

    /**
     * Write the constant to the output stream
     */
    void write(Environment env, DataOutputStream out, ConstantPool tab) throws IOException {
        out.writeByte(CONSTANT_CLASS);
        out.writeShort(tab.index(name));
    }

    /**
     * Return the order of the constant
     */
    int order() {
        return 1;
    }

    public String toString() {
        return "ClassConstantData[" + name + "]";
    }
}