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 }
87