1 /*
   2  * Permission is hereby granted, free of charge, to any person obtaining a copy of
   3  * this software and associated documentation files (the "Software"), to deal in
   4  * the Software without restriction, including without limitation the rights to
   5  * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
   6  * of the Software, and to permit persons to whom the Software is furnished to do
   7  * so, subject to the following conditions:
   8  *
   9  * The above copyright notice and this permission notice shall be included in all
  10  * copies or substantial portions of the Software.
  11  *
  12  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  13  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  14  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  15  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  16  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  17  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  18  * SOFTWARE.
  19  */
  20 package jdk.nashorn.internal.runtime.regexp.joni.constants;
  21 
  22 @SuppressWarnings("javadoc")
  23 public interface AnchorType {
  24     final int BEGIN_BUF         = (1<<0);
  25     final int BEGIN_LINE        = (1<<1);
  26     final int BEGIN_POSITION    = (1<<2);
  27     final int END_BUF           = (1<<3);
  28     final int SEMI_END_BUF      = (1<<4);
  29     final int END_LINE          = (1<<5);
  30 
  31     final int WORD_BOUND        = (1<<6);
  32     final int NOT_WORD_BOUND    = (1<<7);
  33     final int WORD_BEGIN        = (1<<8);
  34     final int WORD_END          = (1<<9);
  35     final int PREC_READ         = (1<<10);
  36     final int PREC_READ_NOT     = (1<<11);
  37     final int LOOK_BEHIND       = (1<<12);
  38     final int LOOK_BEHIND_NOT   = (1<<13);
  39 
  40     final int ANYCHAR_STAR      = (1<<14);   /* ".*" optimize info */
  41     final int ANYCHAR_STAR_ML   = (1<<15);   /* ".*" optimize info (multi-line) */
  42 
  43     final int ANYCHAR_STAR_MASK = (ANYCHAR_STAR | ANYCHAR_STAR_ML);
  44     final int END_BUF_MASK      = (END_BUF | SEMI_END_BUF);
  45 
  46     final int ALLOWED_IN_LB =     ( LOOK_BEHIND |
  47                                     BEGIN_LINE |
  48                                     END_LINE |
  49                                     BEGIN_BUF |
  50                                     BEGIN_POSITION );
  51 
  52     final int ALLOWED_IN_LB_NOT = ( LOOK_BEHIND |
  53                                     LOOK_BEHIND_NOT |
  54                                     BEGIN_LINE |
  55                                     END_LINE |
  56                                     BEGIN_BUF |
  57                                     BEGIN_POSITION );
  58 
  59 }