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 package jdk.internal.clang; 24 25 import java.nio.ByteBuffer; 26 import java.nio.file.Path; 27 import java.nio.file.Paths; 28 import java.util.Objects; 29 30 public class SourceLocation extends StructType { 31 32 SourceLocation(ByteBuffer buf) { 33 super(buf); 34 } 35 36 protected SourceLocation(ByteBuffer buf, boolean copy) { 37 super(buf, copy); 38 } 39 40 public native Location getFileLocation(); 41 public native Location getExpansionLocation(); 42 public native Location getSpellingLocation(); 43 public native boolean isInSystemHeader(); 44 public native boolean isFromMainFile(); 45 46 @Override 47 public boolean equals(Object other) { 48 if (this == other) { 49 return true; 50 } 51 if (!(other instanceof SourceLocation)) { 52 return false; 53 } 54 SourceLocation sloc = (SourceLocation)other; 55 return Objects.equals(getFileLocation(), sloc.getFileLocation()); 56 } 57 58 @Override 59 public int hashCode() { 60 return getFileLocation().hashCode(); 61 } 62 63 public final static class Location { 64 private final Path path; 65 private final int line; 66 private final int column; 67 private final int offset; 68 69 private Location(String filename, int line, int column, int offset) { 70 if (filename == null || filename.isEmpty()) { 71 this.path = null; 72 } else { 73 this.path = Paths.get(filename); 74 } 75 76 this.line = line; 77 this.column = column; 78 this.offset = offset; 79 } 80 81 public Path path() { 82 return path; 83 } 84 85 public int line() { 86 return line; 87 } 88 89 public int column() { 90 return column; 91 } 92 93 public int offset() { 94 return offset; 95 } 96 97 @Override 98 public boolean equals(Object other) { 99 if (this == other) { 100 return true; 101 } 102 if (!(other instanceof Location)) { 103 return false; 104 } 105 Location loc = (Location)other; 106 return Objects.equals(path, loc.path) && 107 line == loc.line && column == loc.column && 108 offset == loc.offset; 109 } 110 111 @Override 112 public int hashCode() { 113 return Objects.hashCode(path) ^ line ^ column ^ offset; 114 } 115 116 @Override 117 public String toString() { 118 return Objects.toString(path) + ":" + line + ":" + column + ":" + offset; 119 } 120 } 121 }