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 jdk.nashorn.api.tree;
  27 
  28 /**
  29  * Provides methods to convert between character positions and line numbers
  30  * for a compilation unit.
  31  *
  32  * @since 1.9
  33  */
  34 @jdk.Exported
  35 public interface LineMap {
  36     /**
  37      * Find the line containing a position; a line termination
  38      * character is on the line it terminates.
  39      *
  40      * @param   pos  character offset of the position
  41      * @return the line number of pos (first line is 1)
  42      */
  43     long getLineNumber(long pos);
  44 
  45     /**
  46      * Find the column for a character position.
  47      * Tab characters preceding the position on the same line
  48      * will be expanded when calculating the column number.
  49      *
  50      * @param  pos   character offset of the position
  51      * @return       the tab-expanded column number of pos (first column is 1)
  52      */

  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 jdk.nashorn.api.tree;
  27 
  28 /**
  29  * Provides methods to convert between character positions and line numbers
  30  * for a compilation unit.
  31  *
  32  * @since 9
  33  */
  34 @jdk.Exported
  35 public interface LineMap {
  36     /**
  37      * Find the line containing a position; a line termination
  38      * character is on the line it terminates.
  39      *
  40      * @param   pos  character offset of the position
  41      * @return the line number of pos (first line is 1)
  42      */
  43     long getLineNumber(long pos);
  44 
  45     /**
  46      * Find the column for a character position.
  47      * Tab characters preceding the position on the same line
  48      * will be expanded when calculating the column number.
  49      *
  50      * @param  pos   character offset of the position
  51      * @return       the tab-expanded column number of pos (first column is 1)
  52      */