Milán Major

netscape-revival

1 branch
Code

sun-java/classsrc/sun/tools/tree/StringExpression.java

/*
 * @(#)StringExpression.java	1.10 95/09/14 Arthur van Hoff
 *
 * Copyright (c) 1994 Sun Microsystems, Inc. All Rights Reserved.
 *
 * Permission to use, copy, modify, and distribute this software
 * and its documentation for NON-COMMERCIAL purposes and without
 * fee is hereby granted provided that this copyright notice
 * appears in all copies. Please refer to the file "copyright.html"
 * for further important copyright and licensing information.
 *
 * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
 * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
 * TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
 * PARTICULAR PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR
 * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
 * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
 */

package sun.tools.tree;

import sun.tools.java.*;
import sun.tools.asm.Assembler;
import java.io.PrintStream;

public
class StringExpression extends ConstantExpression {
    String value;
    
    /**
     * Constructor
     */
    public StringExpression(int where, String value) {
	super(STRINGVAL, where, Type.tString);
	this.value = value;
    }

    /**
     * Code
     */
    public void codeValue(Environment env, Context ctx, Assembler asm) {
	asm.add(where, opc_ldc, this);
    }

    /**
     * Get the value
     */
    public Object getValue() {
	return value;
    }

    /**
     * Hashcode
     */
    public int hashCode() {
	return value.hashCode() ^ 3213;
    }

    /**
     * Equality
     */
    public boolean equals(Object obj) {
	if ((obj != null) && (obj instanceof StringExpression)) {
	    return value.equals(((StringExpression)obj).value);
	}
	return false;
    }

    /**
     * Print
     */
    public void print(PrintStream out) {
	out.print("\"" + value + "\"");
    }
}