| /* |
| * Copyright (c) 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. |
| * |
| * 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 org.graalvm.compiler.phases; |
| |
| import org.graalvm.compiler.nodes.StructuredGraph; |
| |
| /*** |
| * This phase serves as a verification, in order to check the graph for certain properties. The |
| * {@link #verify(StructuredGraph, Object)} method will be used as an assertion, and implements the |
| * actual check. Instead of returning false, it is also valid to throw an {@link VerificationError} |
| * in the implemented {@link #verify(StructuredGraph, Object)} method. |
| */ |
| public abstract class VerifyPhase<C> extends BasePhase<C> { |
| |
| /** |
| * Thrown when verification performed by a {@link VerifyPhase} fails. |
| */ |
| @SuppressWarnings("serial") |
| public static class VerificationError extends AssertionError { |
| |
| public VerificationError(String message) { |
| super(message); |
| } |
| |
| public VerificationError(String format, Object... args) { |
| super(String.format(format, args)); |
| } |
| |
| public VerificationError(String message, Throwable cause) { |
| super(message, cause); |
| } |
| } |
| |
| @Override |
| protected final void run(StructuredGraph graph, C context) { |
| assert verify(graph, context); |
| } |
| |
| /** |
| * Performs the actual verification. |
| * |
| * @throws VerificationError if the verification fails |
| */ |
| protected abstract boolean verify(StructuredGraph graph, C context); |
| } |