/* * Copyright (c) 2015, 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. */ /* @ApiInfo( group="To Review" ) */ /** * Various utility classes that aim to make the development of TruffleLanguage guest languages * easier. * * <p> * We try to capture common language patterns in this package. Here is an overview of patterns that * we have captured so far: * <ul> * <li>{@link com.oracle.truffle.api.utilities.AssumedValue} speculates on global values to remain * unchanged.</li> * <li>{@link com.oracle.truffle.api.utilities.CyclicAssumption} speculates on assumptions that * might invalidate more often but are assumed to stabilize over time.</li> * <li>{@link com.oracle.truffle.api.utilities.NeverValidAssumption} utility for assumptions that * are always invalidated</li> * <li>{@link com.oracle.truffle.api.utilities.UnionAssumption} utility for the union of two * assumptions</li> * </ul> * </p> * * @since 0.8 or older */ package com.oracle.truffle.api.utilities;