/*
* 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.util.Hashtable;
/**
* 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 BinaryAssignExpression extends BinaryExpression {
Expression implementation;
/**
* Constructor
*/
BinaryAssignExpression(int op, long where, Expression left, Expression right) {
super(op, where, left.type, left, right);
}
public Expression getImplementation() {
if (implementation != null)
return implementation;
return this;
}
/**
* Order the expression based on precedence
*/
public Expression order() {
if (precedence() >= left.precedence()) {
UnaryExpression e = (UnaryExpression)left;
left = e.right;
e.right = order();
return e;
}
return this;
}
/**
* Check void expression
*/
public Vset check(Environment env, Context ctx, Vset vset, Hashtable<Object,Object> exp) {
return checkValue(env, ctx, vset, exp);
}
/**
* Inline
*/
public Expression inline(Environment env, Context ctx) {
if (implementation != null)
return implementation.inline(env, ctx);
return inlineValue(env, ctx);
}
public Expression inlineValue(Environment env, Context ctx) {
if (implementation != null)
return implementation.inlineValue(env, ctx);
left = left.inlineLHS(env, ctx);
right = right.inlineValue(env, ctx);
return this;
}
public Expression copyInline(Context ctx) {
/**代码未完, 请加载全部代码(NowJava.com).**/