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view graal/com.oracle.truffle.api.dsl/src/com/oracle/truffle/api/dsl/Specialization.java @ 16755:bd28da642eea
Truffle-DSL: Several new features implemented:
Implementation of a new code generation layout which shares code between generated nodes.
Declaration order of specializations is now used as specialization order.
Specializations do no longer perform fallthrough on respecialization, they now always respecialize from the first specialization.
Implemented support for contains relations between specializations.
Improved reachability error messages.
Preliminary support for @Implies.
author | Christian Humer <christian.humer@gmail.com> |
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date | Mon, 11 Aug 2014 15:53:05 +0200 |
parents | 80f9446d4c81 |
children | ea9903f9684f |
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/* * Copyright (c) 2012, 2012, 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 com.oracle.truffle.api.dsl; import java.lang.annotation.*; @Retention(RetentionPolicy.RUNTIME) @Target({ElementType.METHOD}) public @interface Specialization { int DEFAULT_ORDER = -1; @Deprecated int order() default DEFAULT_ORDER; String insertBefore() default ""; Class<? extends Throwable>[] rewriteOn() default {}; String[] contains() default {}; String[] guards() default {}; /** * Defines the assumptions to check for this specialization. When the specialization method is * invoked it is guaranteed that these assumptions still hold. It is not guaranteed that they * are checked before the {@link #guards()} methods. They may be checked before after or in * between {@link #guards()}. To declare assumptions use the {@link NodeAssumptions} annotation * at class level. */ String[] assumptions() default {}; }