/*
* 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.tree;
import sun.tools.java.*;
/**
* 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 BinaryEqualityExpression extends BinaryExpression {
/**
* constructor
*/
public BinaryEqualityExpression(int op, long where, Expression left, Expression right) {
super(op, where, Type.tBoolean, left, right);
}
/**
* Select the type
*/
void selectType(Environment env, Context ctx, int tm) {
Type t;
if ((tm & TM_ERROR) != 0) {
// who cares. One of them is an error.
return;
} else if ((tm & (TM_CLASS | TM_ARRAY | TM_NULL)) != 0) {
try {
if (env.explicitCast(left.type, right.type) ||
env.explicitCast(right.type, left.type)) {
return;
}
env.error(where, "incompatible.type",
left.type, left.type, right.type);
} catch (ClassNotFound e) {
env.error(where, "class.not.found", e.name, opNames[op]);
}
return;
} else if ((tm & TM_DOUBLE) != 0) {
t = Type.tDouble;
} else if ((tm & TM_FLOAT) != 0) {
t = Type.tFloat;
} else if ((tm & TM_LONG) != 0) {
t = Type.tLong;
} else if ((tm & TM_BOOLEAN) != 0) {
t = Type.tBoolean;
} else {
t = Type.tInt;
}
left = convert(env, ctx, t, left);
right = convert(env, ctx, t, right);
}
}
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