0N/A/*
2362N/A * Copyright (c) 1995, 2003, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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0N/A */
0N/A
0N/Apackage sun.tools.tree;
0N/A
0N/Aimport sun.tools.java.*;
0N/Aimport sun.tools.asm.Assembler;
0N/Aimport java.util.Hashtable;
0N/A
0N/A/**
0N/A * WARNING: The contents of this source file are not part of any
0N/A * supported API. Code that depends on them does so at its own risk:
0N/A * they are subject to change or removal without notice.
0N/A */
0N/Aabstract public
0N/Aclass DivRemExpression extends BinaryArithmeticExpression {
0N/A /**
0N/A * constructor
0N/A */
0N/A public DivRemExpression(int op, long where, Expression left, Expression right) {
0N/A super(op, where, left, right);
0N/A }
0N/A
0N/A /**
0N/A * Inline
0N/A */
0N/A public Expression inline(Environment env, Context ctx) {
0N/A // Do not toss out integer divisions or remainders since they
0N/A // can cause a division by zero.
0N/A if (type.inMask(TM_INTEGER)) {
0N/A right = right.inlineValue(env, ctx);
0N/A if (right.isConstant() && !right.equals(0)) {
0N/A // We know the division can be elided
0N/A left = left.inline(env, ctx);
0N/A return left;
0N/A } else {
0N/A left = left.inlineValue(env, ctx);
0N/A try {
0N/A return eval().simplify();
0N/A } catch (ArithmeticException e) {
0N/A env.error(where, "arithmetic.exception");
0N/A return this;
0N/A }
0N/A }
0N/A } else {
0N/A // float & double divisions don't cause arithmetic errors
0N/A return super.inline(env, ctx);
0N/A }
0N/A }
0N/A}