| /* |
| * Copyright (c) 2010, 2013, 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 jdk.nashorn.internal.codegen.types; |
| |
| import jdk.internal.org.objectweb.asm.MethodVisitor; |
| |
| /** |
| * Numeric operations, not supported by all types |
| */ |
| interface BytecodeNumericOps { |
| |
| /** |
| * Pop and negate the value on top of the stack and push the result |
| * |
| * @param method method visitor |
| * @param programPoint program point id |
| * @return result type |
| */ |
| Type neg(MethodVisitor method, int programPoint); |
| |
| /** |
| * Pop two values on top of the stack and subtract the first from the |
| * second, pushing the result on the stack |
| * |
| * @param method method visitor |
| * @param programPoint program point id |
| * @return result type |
| */ |
| Type sub(MethodVisitor method, int programPoint); |
| |
| /** |
| * Pop and multiply the two values on top of the stack and push the result |
| * on the stack |
| * |
| * @param method method visitor |
| * @param programPoint program point id |
| * @return result type |
| */ |
| Type mul(MethodVisitor method, int programPoint); |
| |
| /** |
| * Pop two values on top of the stack and divide the first with the second, |
| * pushing the result on the stack |
| * |
| * @param method method visitor |
| * @param programPoint program point id |
| * @return result type |
| */ |
| Type div(MethodVisitor method, int programPoint); |
| |
| /** |
| * Pop two values on top of the stack and compute the modulo of the first |
| * with the second, pushing the result on the stack |
| * |
| * Note that the rem method never takes a program point, because it |
| * can never be more optimistic than its widest operand - an int/int |
| * rem operation or a long/long rem operation can never return a |
| * winder remainder than the int or the long |
| * |
| * @param method method visitor |
| * @param programPoint program point id |
| * @return result type |
| */ |
| Type rem(MethodVisitor method, int programPoint); |
| |
| /** |
| * Comparison with int return value, e.g. LCMP, DCMP. |
| * |
| * @param method the method visitor |
| * @param isCmpG is this a double style cmpg |
| * |
| * @return int return value |
| */ |
| Type cmp(MethodVisitor method, boolean isCmpG); |
| } |