| /* |
| * 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.*; |
| |
| /** |
| * 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); |
| } |
| } |