Mercurial > hg > truffle
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/ValueNodeUtil.java @ 5711:4d7175cf3526
enabled Eclipse/JDT javadoc checking and fixed resulting warnings
author | Doug Simon <doug.simon@oracle.com> |
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date | Thu, 28 Jun 2012 11:11:12 +0200 |
parents | b6617d13ea44 |
children | 2463eb24b644 |
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/* * Copyright (c) 2011, 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 com.oracle.graal.nodes; import java.util.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.graph.*; import com.oracle.graal.graph.Node.Verbosity; public class ValueNodeUtil { public static ValueNode assertKind(Kind kind, ValueNode x) { assert x != null && ((x.kind() == kind) || (x.kind() == Kind.Jsr && kind == Kind.Object)) : "kind=" + kind + ", value=" + x + ((x == null) ? "" : ", value.kind=" + x.kind()); return x; } public static RuntimeException shouldNotReachHere(String msg) { throw new InternalError("should not reach here: " + msg); } public static RuntimeException shouldNotReachHere() { throw new InternalError("should not reach here"); } public static ValueNode assertLong(ValueNode x) { assert x != null && (x.kind() == Kind.Long); return x; } public static ValueNode assertJsr(ValueNode x) { assert x != null && (x.kind() == Kind.Jsr); return x; } public static ValueNode assertInt(ValueNode x) { assert x != null && (x.kind() == Kind.Int); return x; } public static ValueNode assertFloat(ValueNode x) { assert x != null && (x.kind() == Kind.Float); return x; } public static ValueNode assertObject(ValueNode x) { assert x != null && (x.kind() == Kind.Object); return x; } public static ValueNode assertDouble(ValueNode x) { assert x != null && (x.kind() == Kind.Double); return x; } public static void assertHigh(ValueNode x) { assert x == null; } public static boolean typeMismatch(ValueNode x, ValueNode y) { return y == null || x == null || x.kind() != y.kind(); } @SuppressWarnings("unchecked") public static <T extends Node> Collection<T> filter(Iterable<Node> nodes, Class<T> clazz) { ArrayList<T> phis = new ArrayList<>(); for (Node node : nodes) { if (clazz.isInstance(node)) { phis.add((T) node); } } return phis; } /** * Converts a given instruction to a value string. The representation of an node as * a value is formed by concatenating the {@linkplain com.oracle.graal.api.meta.Kind#typeChar character} denoting its * {@linkplain ValueNode#kind kind} and its id. For example, {@code "i13"}. * * @param value the instruction to convert to a value string. If {@code value == null}, then "-" is returned. * @return the instruction representation as a string */ public static String valueString(ValueNode value) { return (value == null) ? "-" : ("" + value.kind().typeChar + value.toString(Verbosity.Id)); } }