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.parser; 25 26 import java.nio.file.Path; 27 import java.nio.file.Paths; 28 import java.util.Arrays; 29 import java.util.ArrayList; 30 import java.util.List; 31 import java.util.Collection; 32 import java.util.function.Predicate; 33 import com.sun.tools.jextract.tree.Tree; 34 import com.sun.tools.jextract.tree.HeaderTree; 35 import com.sun.tools.jextract.tree.Printer; 36 37 public class FindSymbol { 38 public static void main(String[] args) { 39 if (args.length == 0) { 40 System.err.println("Expected a header file"); 41 return; 42 } 43 44 final List<Path> paths = List.of(Paths.get(args[0])); 45 final Path builtinInc = Paths.get(System.getProperty("java.home"), "conf", "jextract"); 46 final List<String> clangArgs = List.of("-I" + builtinInc); 47 48 final Parser parser = new Parser(true); 49 final List<HeaderTree> headers = parser.parse(paths, clangArgs, c->true); 50 final Printer p = new Printer(); 51 final HeaderTree tu = headers.get(0); 52 53 if (args.length == 1) { 54 p.printRecursive(tu, Integer.MAX_VALUE); 55 return; 56 } 57 58 final Collection<String> set = Arrays.asList(Arrays.copyOfRange(args, 1, args.length)); 59 final Predicate<Tree> matchName = tree -> tree.isDeclaration() && set.contains(tree.name()); 60 tu.declarations().stream() 61 .filter(matchName) 62 .forEach(declTree -> p.printRecursive(declTree, Integer.MAX_VALUE)); 63 } 64 }