| /* |
| * 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. |
| * |
| * 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.nodes.graphbuilderconf; |
| |
| import java.lang.reflect.Method; |
| |
| import org.graalvm.compiler.debug.GraalError; |
| import org.graalvm.compiler.nodes.ValueNode; |
| |
| import jdk.vm.ci.meta.MetaAccessProvider; |
| import jdk.vm.ci.meta.ResolvedJavaMethod; |
| import jdk.vm.ci.meta.ResolvedJavaType; |
| |
| public abstract class GeneratedInvocationPlugin implements InvocationPlugin { |
| |
| @Override |
| public abstract boolean execute(GraphBuilderContext b, ResolvedJavaMethod targetMethod, InvocationPlugin.Receiver receiver, ValueNode[] args); |
| |
| @Override |
| public StackTraceElement getApplySourceLocation(MetaAccessProvider metaAccess) { |
| Class<?> c = getClass(); |
| for (Method m : c.getDeclaredMethods()) { |
| if (m.getName().equals("execute")) { |
| return metaAccess.lookupJavaMethod(m).asStackTraceElement(0); |
| } |
| } |
| throw new GraalError("could not find method named \"execute\" in " + c.getName()); |
| } |
| |
| protected boolean checkInjectedArgument(GraphBuilderContext b, ValueNode arg, ResolvedJavaMethod foldAnnotatedMethod) { |
| if (arg.isNullConstant()) { |
| return true; |
| } |
| |
| MetaAccessProvider metaAccess = b.getMetaAccess(); |
| ResolvedJavaMethod executeMethod = metaAccess.lookupJavaMethod(getExecuteMethod()); |
| ResolvedJavaType thisClass = metaAccess.lookupJavaType(getClass()); |
| ResolvedJavaMethod thisExecuteMethod = thisClass.resolveConcreteMethod(executeMethod, thisClass); |
| if (b.getMethod().equals(thisExecuteMethod)) { |
| // The "execute" method of this plugin is itself being compiled. In (only) this context, |
| // the injected argument of the call to the @Fold annotated method will be non-null. |
| return true; |
| } |
| throw new AssertionError("must pass null to injected argument of " + foldAnnotatedMethod.format("%H.%n(%p)")); |
| } |
| |
| private static Method getExecuteMethod() { |
| try { |
| return GeneratedInvocationPlugin.class.getMethod("execute", GraphBuilderContext.class, ResolvedJavaMethod.class, InvocationPlugin.Receiver.class, ValueNode[].class); |
| } catch (NoSuchMethodException | SecurityException e) { |
| throw new GraalError(e); |
| } |
| } |
| } |