| /* |
| * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package jdk.nashorn.api.tree; |
| |
| /** |
| * Provides methods to convert between character positions and line numbers |
| * for a compilation unit. |
| * |
| * @since 9 |
| */ |
| public interface LineMap { |
| /** |
| * Find the line containing a position; a line termination |
| * character is on the line it terminates. |
| * |
| * @param pos character offset of the position |
| * @return the line number of pos (first line is 1) |
| */ |
| long getLineNumber(long pos); |
| |
| /** |
| * Find the column for a character position. |
| * Tab characters preceding the position on the same line |
| * will be expanded when calculating the column number. |
| * |
| * @param pos character offset of the position |
| * @return the tab-expanded column number of pos (first column is 1) |
| */ |
| long getColumnNumber(long pos); |
| } |