| /* |
| * Permission is hereby granted, free of charge, to any person obtaining a copy of |
| * this software and associated documentation files (the "Software"), to deal in |
| * the Software without restriction, including without limitation the rights to |
| * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies |
| * of the Software, and to permit persons to whom the Software is furnished to do |
| * so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in all |
| * copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| package jdk.nashorn.internal.runtime.regexp.joni.constants; |
| |
| @SuppressWarnings("javadoc") |
| public interface StackType { |
| /** stack **/ |
| final int INVALID_STACK_INDEX = -1; |
| |
| /* stack type */ |
| /* used by normal-POP */ |
| final int ALT = 0x0001; |
| final int LOOK_BEHIND_NOT = 0x0002; |
| final int POS_NOT = 0x0003; |
| /* handled by normal-POP */ |
| final int MEM_START = 0x0100; |
| final int MEM_END = 0x8200; |
| final int REPEAT_INC = 0x0300; |
| final int STATE_CHECK_MARK = 0x1000; |
| /* avoided by normal-POP */ |
| final int NULL_CHECK_START = 0x3000; |
| final int NULL_CHECK_END = 0x5000; /* for recursive call */ |
| final int MEM_END_MARK = 0x8400; |
| final int POS = 0x0500; /* used when POP-POS */ |
| final int STOP_BT = 0x0600; /* mark for "(?>...)" */ |
| final int REPEAT = 0x0700; |
| final int CALL_FRAME = 0x0800; |
| final int RETURN = 0x0900; |
| final int VOID = 0x0a00; /* for fill a blank */ |
| |
| /* stack type check mask */ |
| final int MASK_POP_USED = 0x00ff; |
| final int MASK_TO_VOID_TARGET = 0x10ff; |
| final int MASK_MEM_END_OR_MARK = 0x8000; /* MEM_END or MEM_END_MARK */ |
| } |