| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.pig.parser; |
| |
| import org.apache.pig.parser.PigParserNode.InvocationPoint; |
| |
| public class SourceLocation { |
| private String file = null; // Name of the source, null if unknown. |
| private int line = -1; // line number, -1 if unknown. |
| private int offset = -1; // offset, -f if unknown. |
| |
| private PigParserNode node; // corresponding parser tree node |
| |
| public SourceLocation() { |
| } |
| |
| public SourceLocation(String filename, int line, int offset) { |
| this.file = filename; |
| this.line = line; |
| this.offset = offset; |
| } |
| |
| public SourceLocation(PigParserNode tree) { |
| this.file = tree.getFileName(); |
| this.line = tree.getLine(); |
| this.offset = tree.getCharPositionInLine(); |
| this.node = tree; |
| } |
| |
| public SourceLocation(SourceLocation location) { |
| this.file = location.file; |
| this.line = location.line; |
| this.offset = location.offset; |
| this.node = location.node; |
| } |
| |
| public String file() { |
| return file; |
| } |
| |
| public int line() { |
| return line; |
| } |
| |
| public int offset() { |
| return offset; |
| } |
| |
| public PigParserNode node() { |
| return node; |
| } |
| |
| @Override |
| public String toString() { |
| if( line == -1 ) |
| return ""; |
| |
| StringBuilder sb = new StringBuilder(); |
| if (node != null) { |
| InvocationPoint pt = node.getNextInvocationPoint(); |
| while (pt != null) { |
| sb.append("\n"); |
| sb.append("at expanding macro '" + pt.getMacro() + "' (" |
| + pt.getFile() + ":" + pt.getLine() + ")"); |
| pt = node.getNextInvocationPoint(); |
| } |
| sb.append("\n"); |
| } |
| sb.append( "<" ); |
| if( file != null ) |
| sb.append( "file " + file + ", " ); |
| sb.append( "line " + line +", column " + offset + "> " ); |
| |
| return sb.toString(); |
| } |
| |
| } |