| /******************************************************************************* |
| * Copyright (c) 2015 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; |
| |
| import java.util.List; |
| |
| import org.antlr.runtime.tree.CommonTree; |
| import org.eclipse.tracecompass.internal.ctf.core.event.metadata.ICommonTreeParser; |
| import org.eclipse.tracecompass.internal.ctf.core.event.metadata.ParseException; |
| |
| /** |
| * Type specifier list string parser, parses a list of names |
| * |
| * @author Matthew Khouzam |
| * |
| */ |
| public final class TypeSpecifierListStringParser implements ICommonTreeParser { |
| |
| /** |
| * Instance |
| */ |
| public static final TypeSpecifierListStringParser INSTANCE = new TypeSpecifierListStringParser(); |
| |
| private TypeSpecifierListStringParser() { |
| } |
| |
| /** |
| * Creates the string representation of a type specifier. |
| * |
| * @param typeSpecifierList |
| * A TYPE_SPECIFIER node. |
| * @param param |
| * unused |
| * |
| * @return A StringBuilder to which will be appended the string. |
| * @throws ParseException |
| * invalid node |
| */ |
| @Override |
| public StringBuilder parse(CommonTree typeSpecifierList, ICommonTreeParserParameter param) throws ParseException { |
| StringBuilder sb = new StringBuilder(); |
| List<CommonTree> children = typeSpecifierList.getChildren(); |
| |
| boolean firstItem = true; |
| |
| for (CommonTree child : children) { |
| if (!firstItem) { |
| sb.append(' '); |
| |
| } |
| |
| firstItem = false; |
| |
| /* Append the string that represents this type specifier. */ |
| sb.append(TypeSpecifierListNameParser.INSTANCE.parse(child, null)); |
| } |
| return sb; |
| } |
| |
| } |