1 /* 2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 package com.sun.tools.jextract; 25 26 import java.util.Arrays; 27 import java.util.Collection; 28 import java.util.function.Predicate; 29 import jdk.internal.clang.Cursor; 30 import jdk.internal.clang.Index; 31 import jdk.internal.clang.LibClang; 32 33 public class FindSymbol { 34 public static void main(String[] args) { 35 if (args.length == 0) { 36 System.out.println("libclang version: " + LibClang.version()); 37 return; 38 } 39 40 Index index = LibClang.createIndex(); 41 Cursor tuCursor = index.parse(args[0], diag -> { System.err.println(diag.toString()); }, false); 42 final Printer p = new Printer(); 43 44 if (args.length == 1) { 45 p.printTree(tuCursor, Integer.MAX_VALUE); 46 return; 47 } 48 49 final Collection<String> set = Arrays.asList(Arrays.copyOfRange(args, 1, args.length)); 50 Predicate<Cursor> matchName = c -> c.isDeclaration() && set.contains(c.spelling()); 51 tuCursor.stream() 52 .filter(matchName) 53 .forEach(c -> p.printTree(c, Integer.MAX_VALUE)); 54 } 55 }