| /******************************************************************************* |
| * Copyright (c) 2016 Ericsson |
| * |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| *******************************************************************************/ |
| package org.eclipse.tracecompass.internal.ctf.core.event.metadata.tsdl.callsite; |
| |
| import java.util.List; |
| |
| import org.antlr.runtime.tree.CommonTree; |
| import org.eclipse.jdt.annotation.NonNull; |
| import org.eclipse.tracecompass.ctf.core.event.CTFCallsite; |
| import org.eclipse.tracecompass.internal.ctf.core.event.metadata.ICommonTreeParser; |
| |
| /** |
| * Callsite as described in section 7.4 of the TSDL spec in CTF 1.8.2 |
| * |
| * <pre> |
| * |
| * callsite { |
| * name = "event_name"; |
| * func = "func_name"; |
| * file = "myfile.c"; |
| * line = 39; |
| * ip = 0x40096c; |
| * }; |
| * </pre> |
| * |
| * @author Matthew Khouzam |
| * |
| */ |
| public final class CallSiteParser implements ICommonTreeParser { |
| |
| /** |
| * Instance of the parser |
| */ |
| public static final CallSiteParser INSTANCE = new CallSiteParser(); |
| |
| private static final @NonNull String LINE = "line"; //$NON-NLS-1$ |
| private static final @NonNull String FILE = "file"; //$NON-NLS-1$ |
| private static final @NonNull String IP = "ip"; //$NON-NLS-1$ |
| private static final @NonNull String FUNC = "func"; //$NON-NLS-1$ |
| private static final @NonNull String NAME = "name"; //$NON-NLS-1$ |
| |
| private CallSiteParser() { |
| // do nothing |
| } |
| |
| @Override |
| public @NonNull CTFCallsite parse(CommonTree tree, ICommonTreeParserParameter param) { |
| /* |
| * this is to replace the previous quotes with nothing... |
| * effectively deleting them |
| */ |
| final String emptyString = ""; //$NON-NLS-1$ |
| |
| /* this is a regex to find the leading and trailing quotes */ |
| final String regex = "^\"|\"$"; //$NON-NLS-1$ |
| |
| String fileName = null; |
| String funcName = null; |
| String name = null; |
| long lineNumber =-1; |
| long ip = -1; |
| |
| List<CommonTree> children = tree.getChildren(); |
| for (CommonTree child : children) { |
| String left = child.getChild(0).getChild(0).getChild(0).getText(); |
| if (left.equals(NAME)) { |
| name = child.getChild(1).getChild(0).getChild(0).getText().replaceAll(regex, emptyString); |
| } else if (left.equals(FUNC)) { |
| funcName = child.getChild(1).getChild(0).getChild(0).getText().replaceAll(regex, emptyString); |
| } else if (left.equals(IP)) { |
| ip = Long.decode(child.getChild(1).getChild(0).getChild(0).getText()); |
| } else if (left.equals(FILE)) { |
| fileName = child.getChild(1).getChild(0).getChild(0).getText().replaceAll(regex, emptyString); |
| } else if (left.equals(LINE)) { |
| lineNumber = Long.parseLong(child.getChild(1).getChild(0).getChild(0).getText()); |
| } |
| } |
| |
| if (name == null || funcName == null || fileName == null) { |
| throw new NullPointerException("CTFCallsite parameters shouldn't be null!"); //$NON-NLS-1$ |
| } |
| |
| return new CTFCallsite(name, funcName, ip, fileName, lineNumber); |
| } |
| |
| } |