/* * 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.tree;import sun.tools.java.*;import sun.tools.asm.Assembler;import java.io.PrintStream;/** * 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. */publicclass StringExpression extends ConstantExpression { String value; /** * Constructor */ public StringExpression(long where, String value) { super(STRINGVAL, where, Type.tString); this.value = value; } public boolean equals(String s) { return value.equals(s); } public boolean isNonNull() { return true; // string literal is never null } /** * 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 + "\""); }}
/*
* 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.tree;
import sun.tools.java.*;
import sun.tools.asm.Assembler;
import java.io.PrintStream;
/**
* 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.
*/
public
class StringExpression extends ConstantExpression {
String value;
/**
* Constructor
*/
public StringExpression(long where, String value) {
super(STRINGVAL, where, Type.tString);
this.value = value;
}
public boolean equals(String s) {
return value.equals(s);
}
public boolean isNonNull() {
return true; // string literal is never null
}
/**
* 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 + "\"");
}
}