16 |
|
|
17 |
5. Rename the "leave" variable names to "quit" to improve WinCE compatibility. |
5. Rename the "leave" variable names to "quit" to improve WinCE compatibility. |
18 |
Reported by Giuseppe D'Angelo. |
Reported by Giuseppe D'Angelo. |
19 |
|
|
20 |
6. The PCRE_STARTLINE bit, indicating that a match can occur only at the start |
6. The PCRE_STARTLINE bit, indicating that a match can occur only at the start |
21 |
of a line, was being set incorrectly in cases where .* appeared inside |
of a line, was being set incorrectly in cases where .* appeared inside |
22 |
atomic brackets at the start of a pattern, or where there was a subsequent |
atomic brackets at the start of a pattern, or where there was a subsequent |
23 |
*PRUNE or *SKIP. |
*PRUNE or *SKIP. |
24 |
|
|
25 |
7. Improved instruction cache flush for POWER/PowerPC. |
7. Improved instruction cache flush for POWER/PowerPC. |
26 |
Patch by Daniel Richard G. |
Patch by Daniel Richard G. |
27 |
|
|
28 |
8. Fixed a number of issues in pcregrep, making it more compatible with GNU |
8. Fixed a number of issues in pcregrep, making it more compatible with GNU |
29 |
grep: |
grep: |
30 |
|
|
31 |
(a) There is now no limit to the number of patterns to be matched. |
(a) There is now no limit to the number of patterns to be matched. |
32 |
|
|
33 |
(b) An error is given if a pattern is too long. |
(b) An error is given if a pattern is too long. |
34 |
|
|
35 |
(c) Multiple uses of --exclude, --exclude-dir, --include, and --include-dir |
(c) Multiple uses of --exclude, --exclude-dir, --include, and --include-dir |
36 |
are now supported. |
are now supported. |
37 |
|
|
38 |
(d) --exclude-from and --include-from (multiple use) have been added. |
(d) --exclude-from and --include-from (multiple use) have been added. |
39 |
|
|
40 |
(e) Exclusions and inclusions now apply to all files and directories, not |
(e) Exclusions and inclusions now apply to all files and directories, not |
41 |
just to those obtained from scanning a directory recursively. |
just to those obtained from scanning a directory recursively. |
42 |
|
|
43 |
(f) Multiple uses of -f and --file-list are now supported. |
(f) Multiple uses of -f and --file-list are now supported. |
44 |
|
|
45 |
(g) In a Windows environment, the default for -d has been changed from |
(g) In a Windows environment, the default for -d has been changed from |
46 |
"read" (the GNU grep default) to "skip", because otherwise the presence |
"read" (the GNU grep default) to "skip", because otherwise the presence |
47 |
of a directory in the file list provokes an error. |
of a directory in the file list provokes an error. |
48 |
|
|
49 |
(h) The documentation has been revised and clarified in places. |
(h) The documentation has been revised and clarified in places. |
50 |
|
|
51 |
9. Improve the matching speed of capturing brackets. |
9. Improve the matching speed of capturing brackets. |
52 |
|
|
53 |
10. Changed the meaning of \X so that it now matches a Unicode extended |
10. Changed the meaning of \X so that it now matches a Unicode extended |
54 |
grapheme cluster. |
grapheme cluster. |
55 |
|
|
56 |
11. Patch by Daniel Richard G to the autoconf files to add a macro for sorting |
11. Patch by Daniel Richard G to the autoconf files to add a macro for sorting |
57 |
out POSIX threads when JIT support is configured. |
out POSIX threads when JIT support is configured. |
|
|
|
|
12. Added support for PCRE_STUDY_EXTRA_NEEDED. |
|
58 |
|
|
59 |
13. In the POSIX wrapper regcomp() function, setting re_nsub field in the preg |
12. Added support for PCRE_STUDY_EXTRA_NEEDED. |
60 |
structure could go wrong in environments where size_t is not the same size |
|
61 |
|
13. In the POSIX wrapper regcomp() function, setting re_nsub field in the preg |
62 |
|
structure could go wrong in environments where size_t is not the same size |
63 |
as int. |
as int. |
64 |
|
|
65 |
14. Applied user-supplied patch to pcrecpp.cc to allow PCRE_NO_UTF8_CHECK to be |
14. Applied user-supplied patch to pcrecpp.cc to allow PCRE_NO_UTF8_CHECK to be |
66 |
set. |
set. |
67 |
|
|
68 |
15. The EBCDIC support had decayed; later updates to the code had included |
15. The EBCDIC support had decayed; later updates to the code had included |
69 |
explicit references to (e.g.) \x0a instead of CHAR_LF. There has been a |
explicit references to (e.g.) \x0a instead of CHAR_LF. There has been a |
70 |
general tidy up of EBCDIC-related issues, and the documentation was also |
general tidy up of EBCDIC-related issues, and the documentation was also |
71 |
not quite right. There is now a test that can be run on ASCII systems to |
not quite right. There is now a test that can be run on ASCII systems to |
72 |
check some of the EBCDIC-related things (but is it not a full test). |
check some of the EBCDIC-related things (but is it not a full test). |
73 |
|
|
74 |
16. The new PCRE_STUDY_EXTRA_NEEDED option is now used by pcregrep, resulting |
16. The new PCRE_STUDY_EXTRA_NEEDED option is now used by pcregrep, resulting |
75 |
in a small tidy to the code. |
in a small tidy to the code. |
76 |
|
|
77 |
17. Fix JIT tests when UTF is disabled and both 8 and 16 bit mode are enabled. |
17. Fix JIT tests when UTF is disabled and both 8 and 16 bit mode are enabled. |
78 |
|
|
79 |
18. If the --only-matching (-o) option in pcregrep is specified multiple |
18. If the --only-matching (-o) option in pcregrep is specified multiple |
80 |
times, each one causes appropriate output. For example, -o1 -o2 outputs the |
times, each one causes appropriate output. For example, -o1 -o2 outputs the |
81 |
substrings matched by the 1st and 2nd capturing parentheses. A separating |
substrings matched by the 1st and 2nd capturing parentheses. A separating |
82 |
string can be specified by --om-separator (default empty). |
string can be specified by --om-separator (default empty). |
83 |
|
|
84 |
19. Improving the first n character searches. |
19. Improving the first n character searches. |
85 |
|
|
86 |
20. Turn case lists for horizontal and vertical white space into macros so that |
20. Turn case lists for horizontal and vertical white space into macros so that |
87 |
they are defined only once. |
they are defined only once. |
88 |
|
|
89 |
21. This set of changes together give more compatible Unicode case-folding |
21. This set of changes together give more compatible Unicode case-folding |
90 |
behaviour for characters that have more than one other case when UCP |
behaviour for characters that have more than one other case when UCP |
91 |
support is available. |
support is available. |
92 |
|
|
93 |
(a) The Unicode property table now has offsets into a new table of sets of |
(a) The Unicode property table now has offsets into a new table of sets of |
94 |
three or more characters that are case-equivalent. The MultiStage2.py |
three or more characters that are case-equivalent. The MultiStage2.py |
95 |
script that generates these tables (the pcre_ucd.c file) now scans |
script that generates these tables (the pcre_ucd.c file) now scans |
96 |
CaseFolding.txt instead of UnicodeData.txt for character case |
CaseFolding.txt instead of UnicodeData.txt for character case |
97 |
information. |
information. |
98 |
|
|
99 |
(b) The code for adding characters or ranges of characters to a character |
(b) The code for adding characters or ranges of characters to a character |
100 |
class has been abstracted into a generalized function that also handles |
class has been abstracted into a generalized function that also handles |
101 |
case-independence. In UTF-mode with UCP support, this uses the new data |
case-independence. In UTF-mode with UCP support, this uses the new data |
102 |
to handle characters with more than one other case. |
to handle characters with more than one other case. |
103 |
|
|
104 |
(c) A bug that is fixed as a result of (b) is that codepoints less than 256 |
(c) A bug that is fixed as a result of (b) is that codepoints less than 256 |
105 |
whose other case is greater than 256 are now correctly matched |
whose other case is greater than 256 are now correctly matched |
106 |
caselessly. Previously, the high codepoint matched the low one, but not |
caselessly. Previously, the high codepoint matched the low one, but not |
107 |
vice versa. |
vice versa. |
108 |
|
|
109 |
(d) The processing of \h, \H, \v, and \ in character classes now makes use |
(d) The processing of \h, \H, \v, and \ in character classes now makes use |
110 |
of the new class addition function, using character lists defined as |
of the new class addition function, using character lists defined as |
111 |
macros alongside the case definitions of 20 above. |
macros alongside the case definitions of 20 above. |
112 |
|
|
113 |
(e) Caseless back references now work with characters that have more than |
(e) Caseless back references now work with characters that have more than |
114 |
one other case. |
one other case. |
115 |
|
|
116 |
(f) General caseless matching of characters with more than one other case |
(f) General caseless matching of characters with more than one other case |
117 |
is supported. |
is supported. |
118 |
|
|
119 |
22. Unicode character properties were updated from Unicode 6.2.0 |
22. Unicode character properties were updated from Unicode 6.2.0 |
124 |
|
|
125 |
25. Major JIT compiler update (code refactoring and bugfixing). |
25. Major JIT compiler update (code refactoring and bugfixing). |
126 |
Experimental Sparc 32 support is added. |
Experimental Sparc 32 support is added. |
127 |
|
|
128 |
26. Applied a modified version of Daniel Richard G's patch to create |
26. Applied a modified version of Daniel Richard G's patch to create |
129 |
pcre.h.generic and config.h.generic by "make" instead of in the |
pcre.h.generic and config.h.generic by "make" instead of in the |
130 |
PrepareRelease script. |
PrepareRelease script. |
131 |
|
|
132 |
27. Added a definition for CHAR_NULL (helpful for the z/OS port), and use it in |
27. Added a definition for CHAR_NULL (helpful for the z/OS port), and use it in |
133 |
pcre_compile.c when checking for a zero character. |
pcre_compile.c when checking for a zero character. |
134 |
|
|
135 |
28. Introducing a native interface for JIT. Through this interface, the compiled |
28. Introducing a native interface for JIT. Through this interface, the compiled |
137 |
provide fast pattern matching, so several sanity checks are not performed. |
provide fast pattern matching, so several sanity checks are not performed. |
138 |
However, feature tests are still performed. The new interface provides |
However, feature tests are still performed. The new interface provides |
139 |
1.4x speedup compared to the old one. |
1.4x speedup compared to the old one. |
140 |
|
|
141 |
29. If pcre_exec() or pcre_dfa_exec() was called with a negative value for |
29. If pcre_exec() or pcre_dfa_exec() was called with a negative value for |
142 |
the subject string length, the error given was PCRE_ERROR_BADOFFSET, which |
the subject string length, the error given was PCRE_ERROR_BADOFFSET, which |
143 |
was confusing. There is now a new error PCRE_ERROR_BADLENGTH for this case. |
was confusing. There is now a new error PCRE_ERROR_BADLENGTH for this case. |
144 |
|
|
145 |
30. In 8-bit UTF-8 mode, pcretest failed to give an error for data codepoints |
30. In 8-bit UTF-8 mode, pcretest failed to give an error for data codepoints |
146 |
greater than 0x7fffffff (which cannot be represented in UTF-8, even under |
greater than 0x7fffffff (which cannot be represented in UTF-8, even under |
147 |
the "old" RFC 2279). Instead, it ended up passing a negative length to |
the "old" RFC 2279). Instead, it ended up passing a negative length to |
148 |
pcre_exec(). |
pcre_exec(). |
149 |
|
|
150 |
31. Add support for GCC's visibility feature to hide internal functions. |
31. Add support for GCC's visibility feature to hide internal functions. |
151 |
|
|
152 |
32. Running "pcretest -C pcre8" or "pcretest -C pcre16" gave a spurious error |
32. Running "pcretest -C pcre8" or "pcretest -C pcre16" gave a spurious error |
153 |
"unknown -C option" after outputting 0 or 1. |
"unknown -C option" after outputting 0 or 1. |
154 |
|
|
155 |
33. There is now support for generating a code coverage report for the test |
33. There is now support for generating a code coverage report for the test |
156 |
suite in environments where gcc is the compiler and lcov is installed. This |
suite in environments where gcc is the compiler and lcov is installed. This |
157 |
is mainly for the benefit of the developers. |
is mainly for the benefit of the developers. |
158 |
|
|
159 |
34. If PCRE is built with --enable-valgrind, certain memory regions are marked |
34. If PCRE is built with --enable-valgrind, certain memory regions are marked |
160 |
unaddressable using valgrind annotations, allowing valgrind to detect |
unaddressable using valgrind annotations, allowing valgrind to detect |
161 |
invalid memory accesses. This is mainly for the benefit of the developers. |
invalid memory accesses. This is mainly for the benefit of the developers. |
162 |
|
|
163 |
25. (*UTF) can now be used to start a pattern in any of the three libraries. |
25. (*UTF) can now be used to start a pattern in any of the three libraries. |
164 |
|
|
165 |
|
|
166 |
Version 8.31 06-July-2012 |
Version 8.31 06-July-2012 |