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;
  21 
  22 import java.io.PrintStream;
  23 
  24 @SuppressWarnings("javadoc")
  25 public interface Config {
  26     final int CHAR_TABLE_SIZE = 256;
  27 
  28     /* from jcodings */
  29     final boolean VANILLA = false;
  30     final int INTERNAL_ENC_CASE_FOLD_MULTI_CHAR = (1<<30);
  31     final int ENC_CASE_FOLD_MIN = INTERNAL_ENC_CASE_FOLD_MULTI_CHAR;
  32     final int ENC_CASE_FOLD_DEFAULT = ENC_CASE_FOLD_MIN;
  33 
  34     final boolean USE_MONOMANIAC_CHECK_CAPTURES_IN_ENDLESS_REPEAT = true; /* /(?:()|())*\2/ */
  35     final boolean USE_NEWLINE_AT_END_OF_STRING_HAS_EMPTY_LINE = true;     /* /\n$/ =~ "\n" */
  36     final boolean USE_WARNING_REDUNDANT_NESTED_REPEAT_OPERATOR = false;
  37 
  38     final boolean CASE_FOLD_IS_APPLIED_INSIDE_NEGATIVE_CCLASS = true;
  39 
  40     final boolean USE_MATCH_RANGE_MUST_BE_INSIDE_OF_SPECIFIED_RANGE = false;
  41     final boolean USE_VARIABLE_META_CHARS = true;
  42     final boolean USE_WORD_BEGIN_END = true;                                /* "\<": word-begin, "\>": word-end */
  43     final boolean USE_POSIX_API_REGION_OPTION = false;                           /* needed for POSIX API support */
  44     final boolean USE_FIND_LONGEST_SEARCH_ALL_OF_RANGE = true;
  45 
  46     final int NREGION                   = 10;
  47     final int MAX_BACKREF_NUM           = 1000;
  48     final int MAX_CAPTURE_GROUP_NUM     = 0x8000;
  49     final int MAX_REPEAT_NUM            = 100000;
  50     final int MAX_MULTI_BYTE_RANGES_NUM = 10000;
  51 
  52 
  53     final boolean USE_WARN = true;
  54 
  55     // internal config
  56     final boolean USE_PARSE_TREE_NODE_RECYCLE       = true;
  57     final boolean USE_OP_PUSH_OR_JUMP_EXACT         = true;
  58     final boolean USE_SHARED_CCLASS_TABLE           = false;
  59     final boolean USE_QTFR_PEEK_NEXT                = true;
  60 
  61     final int INIT_MATCH_STACK_SIZE                 = 64;
  62     final int DEFAULT_MATCH_STACK_LIMIT_SIZE        = 0;        /* unlimited */
  63     final int NUMBER_OF_POOLED_STACKS               = 4;
  64 
  65 
  66 
  67     final boolean DONT_OPTIMIZE                     = false;
  68 
  69     final boolean USE_STRING_TEMPLATES              = true; // use embedded string templates in Regex object as byte arrays instead of compiling them into int bytecode array
  70 
  71     final boolean NON_UNICODE_SDW                   = true;
  72 
  73 
  74     final PrintStream log = System.out;
  75     final PrintStream err = System.err;
  76 
  77     final boolean DEBUG_ALL                         = false;
  78 
  79     final boolean DEBUG                             = DEBUG_ALL;
  80     final boolean DEBUG_PARSE_TREE                  = DEBUG_ALL;
  81     final boolean DEBUG_PARSE_TREE_RAW              = true;
  82     final boolean DEBUG_COMPILE                     = DEBUG_ALL;
  83     final boolean DEBUG_COMPILE_BYTE_CODE_INFO      = DEBUG_ALL;
  84     final boolean DEBUG_SEARCH                      = DEBUG_ALL;
  85     final boolean DEBUG_MATCH                       = DEBUG_ALL;
  86 }