Mercurial > hg > truffle
view truffle/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/SLTypes.java @ 22065:503529c65456
Remove trailing whitespace from UPL license
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
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date | Wed, 05 Aug 2015 10:19:41 -0700 |
parents | c07e64ecb528 |
children | dc83cc1f94f2 |
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/* * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * The Universal Permissive License (UPL), Version 1.0 * * Subject to the condition set forth below, permission is hereby granted to any * person obtaining a copy of this software, associated documentation and/or * data (collectively the "Software"), free of charge and under any and all * copyright rights in the Software, and any and all patent rights owned or * freely licensable by each licensor hereunder covering either (i) the * unmodified Software as contributed to or provided by such licensor, or (ii) * the Larger Works (as defined below), to deal in both * * (a) the Software, and * * (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if * one is included with the Software each a "Larger Work" to which the Software * is contributed by such licensors), * * without restriction, including without limitation the rights to copy, create * derivative works of, display, perform, and distribute the Software and make, * use, sell, offer for sale, import, export, have made, and have sold the * Software and the Larger Work(s), and to sublicense the foregoing rights on * either these or other terms. * * This license is subject to the following condition: * * The above copyright notice and either this complete permission notice or at a * minimum a reference to the UPL must be included in all copies or substantial * portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ package com.oracle.truffle.sl.nodes; import java.math.*; import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary; import com.oracle.truffle.api.dsl.*; import com.oracle.truffle.api.dsl.internal.*; import com.oracle.truffle.sl.*; import com.oracle.truffle.sl.runtime.*; /** * The type system of SL, as explained in {@link SLLanguage}. Based on the {@link TypeSystem} * annotation, the Truffle DSL generates the subclass {@link SLTypesGen} with type test and type * conversion methods for all types. In this class, we only cover types where the automatically * generated ones would not be sufficient. */ @TypeSystem({long.class, BigInteger.class, boolean.class, String.class, SLFunction.class, SLNull.class}) @DSLOptions(useNewLayout = true) public abstract class SLTypes { /** * Example of a manually specified type check that replaces the automatically generated type * check that the Truffle DSL would generate. For {@link SLNull}, we do not need an * {@code instanceof} check, because we know that there is only a {@link SLNull#SINGLETON * singleton} instance. */ @TypeCheck(SLNull.class) public static boolean isSLNull(Object value) { return value == SLNull.SINGLETON; } /** * Example of a manually specified type cast that replaces the automatically generated type cast * that the Truffle DSL would generate. For {@link SLNull}, we do not need an actual cast, * because we know that there is only a {@link SLNull#SINGLETON singleton} instance. */ @TypeCast(SLNull.class) public static SLNull asSLNull(Object value) { assert isSLNull(value); return SLNull.SINGLETON; } /** * Informs the Truffle DSL that a primitive {@code long} value can be used in all * specializations where a {@link BigInteger} is expected. This models the semantic of SL: It * only has an arbitrary precision Number type (implemented as {@link BigInteger}, and * {@code long} is only used as a performance optimization to avoid the costly * {@link BigInteger} arithmetic for values that fit into a 64-bit primitive value. */ @ImplicitCast @TruffleBoundary public static BigInteger castBigInteger(long value) { return BigInteger.valueOf(value); } }