/* ***************************************************************************** * Copyright 2018 Dynamic Analysis Group, Università della Svizzera Italiana (USI) * Copyright (c) 2018, 2020, Oracle and/or its affiliates. All rights reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * *****************************************************************************/ package ch.usi.inf.nodeprof.handlers; import com.oracle.truffle.api.frame.VirtualFrame; import com.oracle.truffle.api.instrumentation.EventContext; import com.oracle.truffle.js.runtime.builtins.JSFunction; import ch.usi.inf.nodeprof.ProfiledTagEnum; /** * Abstract event handler for function roots */ public abstract class BuiltinRootEventHandler extends BaseSingleTagEventHandler { protected final String builtinName; public BuiltinRootEventHandler(EventContext context) { super(context, ProfiledTagEnum.BUILTIN); this.builtinName = getAttribute("name").toString(); } public Object getReceiver(VirtualFrame frame) { Object receiver = frame.getArguments()[0]; if (receiver == JSFunction.CONSTRUCT) { return "[[Construct]]"; } return receiver; } public Object getBuiltinName() { return this.builtinName; } public Object getFunction(VirtualFrame frame) { return frame.getArguments()[1]; } public Object[] getArguments(VirtualFrame frame) { return frame.getArguments(); } public Object getArgument(VirtualFrame frame, int index) { return getArguments(frame)[2 + index]; } }