1 /*
2 * Copyright (c) 2006, 2012, 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.source.tree;
27
28 /**
29 * Provides methods to convert between character positions and line numbers
30 * for a compilation unit.
31 *
32 * @since 1.6
33 */
34 public interface LineMap {
35 /**
36 * Find the start position of a line.
37 *
38 * @param line line number (beginning at 1)
39 * @return position of first character in line
40 * @throws IndexOutOfBoundsException
41 * if {@code lineNumber < 1}
42 * if {@code lineNumber > no. of lines}
43 */
44 long getStartPosition(long line);
45
46 /**
47 * Find the position corresponding to a (line,column).
48 *
49 * @param line line number (beginning at 1)
50 * @param column tab-expanded column number (beginning 1)
51 *
52 * @return position of character
53 * @throws IndexOutOfBoundsException
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1 /*
2 * Copyright (c) 2006, 2013, 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.source.tree;
27
28 /**
29 * Provides methods to convert between character positions and line numbers
30 * for a compilation unit.
31 *
32 * @since 1.6
33 */
34 @jdk.Supported
35 public interface LineMap {
36 /**
37 * Find the start position of a line.
38 *
39 * @param line line number (beginning at 1)
40 * @return position of first character in line
41 * @throws IndexOutOfBoundsException
42 * if {@code lineNumber < 1}
43 * if {@code lineNumber > no. of lines}
44 */
45 long getStartPosition(long line);
46
47 /**
48 * Find the position corresponding to a (line,column).
49 *
50 * @param line line number (beginning at 1)
51 * @param column tab-expanded column number (beginning 1)
52 *
53 * @return position of character
54 * @throws IndexOutOfBoundsException
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