Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: src/share/classes/com/sun/tools/javac/util/Position.java
src/share/classes/com/sun/tools/javac/util/Position.java
- changeset 1326
- 30c36e23f154
- parent 581
- f2fdd52e4e87
- child 1358
- fc123bdeddb8
equal
deleted
inserted
replaced
| 1325:b2064a216117 | 1326:30c36e23f154 |
|---|---|
| 1 /* | 1 /* |
| 2 * Copyright (c) 1999, 2006, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved. |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | 4 * |
| 5 * This code is free software; you can redistribute it and/or modify it | 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 | 6 * under the terms of the GNU General Public License version 2 only, as |
| 7 * published by the Free Software Foundation. Oracle designates this | 7 * published by the Free Software Foundation. Oracle designates this |
| 77 lineMap.build(src, max); | 77 lineMap.build(src, max); |
| 78 return lineMap; | 78 return lineMap; |
| 79 } | 79 } |
| 80 | 80 |
| 81 /** Encode line and column numbers in an integer as: | 81 /** Encode line and column numbers in an integer as: |
| 82 * line-number << LINESHIFT + column-number | 82 * {@code line-number << LINESHIFT + column-number }. |
| 83 * {@link Position.NOPOS represents an undefined position. | 83 * {@link Position.NOPOS} represents an undefined position. |
| 84 * | 84 * |
| 85 * @param line number of line (first is 1) | 85 * @param line number of line (first is 1) |
| 86 * @param col number of character on line (first is 1) | 86 * @param col number of character on line (first is 1) |
| 87 * @return an encoded position or {@link Position.NOPOS | 87 * @return an encoded position or {@link Position.NOPOS} |
| 88 * if the line or column number is too big to | 88 * if the line or column number is too big to |
| 89 * represent in the encoded format | 89 * represent in the encoded format |
| 90 * @throws IllegalArgumentException if line or col is less than 1 | 90 * @throws IllegalArgumentException if line or col is less than 1 |
| 91 */ | 91 */ |
| 92 public static int encodePosition(int line, int col) { | 92 public static int encodePosition(int line, int col) { |
| 105 /** Find the start position of a line. | 105 /** Find the start position of a line. |
| 106 * | 106 * |
| 107 * @param line number of line (first is 1) | 107 * @param line number of line (first is 1) |
| 108 * @return position of first character in line | 108 * @return position of first character in line |
| 109 * @throws ArrayIndexOutOfBoundsException | 109 * @throws ArrayIndexOutOfBoundsException |
| 110 * if <tt>lineNumber < 1</tt> | 110 * if {@code lineNumber < 1} |
| 111 * if <tt>lineNumber > no. of lines</tt> | 111 * if {@code lineNumber > no. of lines} |
| 112 */ | 112 */ |
| 113 int getStartPosition(int line); | 113 int getStartPosition(int line); |
| 114 | 114 |
| 115 /** Find the position corresponding to a (line,column). | 115 /** Find the position corresponding to a (line,column). |
| 116 * | 116 * |
| 117 * @param line number of line (first is 1) | 117 * @param line number of line (first is 1) |
| 118 * @param column number of character on line (first is 1) | 118 * @param column number of character on line (first is 1) |
| 119 * | 119 * |
| 120 * @return position of character | 120 * @return position of character |
| 121 * @throws ArrayIndexOutOfBoundsException | 121 * @throws ArrayIndexOutOfBoundsException |
| 122 * if <tt>line < 1</tt> | 122 * if {@code line < 1} |
| 123 * if <tt>line > no. of lines</tt> | 123 * if {@code line > no. of lines} |
| 124 */ | 124 */ |
| 125 int getPosition(int line, int column); | 125 int getPosition(int line, int column); |
| 126 | 126 |
| 127 /** Find the line containing a position; a line termination | 127 /** Find the line containing a position; a line termination |
| 128 * character is on the line it terminates. | 128 * character is on the line it terminates. |
