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revision 1458 by ph10, Sun Feb 9 18:55:03 2014 UTC revision 1459 by ph10, Tue Mar 4 10:45:15 2014 UTC
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1  ChangeLog for PCRE  ChangeLog for PCRE
2  ------------------  ------------------
3    
4  Version 8.35-RC1 xx-xxxx-201x  Version 8.35-RC1 04-March-2014
5  -----------------------------  ------------------------------
6    
7  1.  A new flag is set, when property checks are present in an XCLASS.  1.  A new flag is set, when property checks are present in an XCLASS.
8      When this flag is not set, PCRE can perform certain optimizations      When this flag is not set, PCRE can perform certain optimizations
# Line 30  Version 8.35-RC1 xx-xxxx-201x Line 30  Version 8.35-RC1 xx-xxxx-201x
30      above a certain treshold (e.g: 256). The only limitation is that the value      above a certain treshold (e.g: 256). The only limitation is that the value
31      must be bigger than the treshold as well. This function is useful, when      must be bigger than the treshold as well. This function is useful, when
32      the characters above the treshold are handled in the same way.      the characters above the treshold are handled in the same way.
33    
34  7.  The macros whose names start with RAWUCHAR are placeholders for a future  7.  The macros whose names start with RAWUCHAR are placeholders for a future
35      mode in which only the bottom 21 bits of 32-bit data items are used. To      mode in which only the bottom 21 bits of 32-bit data items are used. To
36      make this more memorable for those maintaining the code, the names have      make this more memorable for those maintaining the code, the names have
37      been changed to start with UCHAR21, and an extensive comment has been added      been changed to start with UCHAR21, and an extensive comment has been added
38      to their definition.      to their definition.
39    
40  8.  Add missing (new) files sljitNativeTILEGX.c and sljitNativeTILEGX-encoder.c  8.  Add missing (new) files sljitNativeTILEGX.c and sljitNativeTILEGX-encoder.c
41      to the export list in Makefile.am (they were accidentally omitted from the      to the export list in Makefile.am (they were accidentally omitted from the
42      8.34 tarball).      8.34 tarball).
43    
44  9.  The informational output from pcretest used the phrase "starting byte set"  9.  The informational output from pcretest used the phrase "starting byte set"
45      which is inappropriate for the 16-bit and 32-bit libraries. As the output      which is inappropriate for the 16-bit and 32-bit libraries. As the output
46      for "first char" and "need char" really means "non-UTF-char", I've changed      for "first char" and "need char" really means "non-UTF-char", I've changed
47      "byte" to "char", and slightly reworded the output. The documentation about      "byte" to "char", and slightly reworded the output. The documentation about
48      these values has also been (I hope) clarified.      these values has also been (I hope) clarified.
49    
50  10. Another JIT related optimization: use table jumps for selecting the correct  10. Another JIT related optimization: use table jumps for selecting the correct
51      backtracking path, when more than four alternatives are present inside a      backtracking path, when more than four alternatives are present inside a
# Line 54  Version 8.35-RC1 xx-xxxx-201x Line 54  Version 8.35-RC1 xx-xxxx-201x
54  11. Empty match is not possible, when the minimum length is greater than zero,  11. Empty match is not possible, when the minimum length is greater than zero,
55      and there is no \K in the pattern. JIT should avoid empty match checks in      and there is no \K in the pattern. JIT should avoid empty match checks in
56      such cases.      such cases.
57    
58  12. In a caseless character class with UCP support, when a character with more  12. In a caseless character class with UCP support, when a character with more
59      than one alternative case was not the first character of a range, not all      than one alternative case was not the first character of a range, not all
60      the alternative cases were added to the class. For example, s and \x{17f}      the alternative cases were added to the class. For example, s and \x{17f}
61      are both alternative cases for S: the class [RST] was handled correctly,      are both alternative cases for S: the class [RST] was handled correctly,
62      but [R-T] was not.      but [R-T] was not.
63    
64  13. The configure.ac file always checked for pthread support when JIT was  13. The configure.ac file always checked for pthread support when JIT was
65      enabled. This is not used in Windows, so I have put this test inside a      enabled. This is not used in Windows, so I have put this test inside a
66      check for the presence of windows.h (which was already tested for).      check for the presence of windows.h (which was already tested for).
67    
68  14. Improve pattern prefix search by a simplified Boyer-Moore algorithm in JIT.  14. Improve pattern prefix search by a simplified Boyer-Moore algorithm in JIT.
69      The algorithm provides a way to skip certain starting offsets, and usually      The algorithm provides a way to skip certain starting offsets, and usually
70      faster than linear prefix searches.      faster than linear prefix searches.
71    
72  15. Change 13 for 8.20 updated RunTest to check for the 'fr' locale as well  15. Change 13 for 8.20 updated RunTest to check for the 'fr' locale as well
73      as for 'fr_FR' and 'french'. For some reason, however, it then used the      as for 'fr_FR' and 'french'. For some reason, however, it then used the
74      Windows-specific input and output files, which have 'french' screwed in.      Windows-specific input and output files, which have 'french' screwed in.
75      So this could never have worked. One of the problems with locales is that      So this could never have worked. One of the problems with locales is that
76      they aren't always the same. I have now updated RunTest so that it checks      they aren't always the same. I have now updated RunTest so that it checks
77      the output of the locale test (test 3) against three different output      the output of the locale test (test 3) against three different output
78      files, and it allows the test to pass if any one of them matches. With luck      files, and it allows the test to pass if any one of them matches. With luck
79      this should make the test pass on some versions of Solaris where it was      this should make the test pass on some versions of Solaris where it was
80      failing. Because of the uncertainty, the script did not used to stop if      failing. Because of the uncertainty, the script did not used to stop if
81      test 3 failed; it now does. If further versions of a French locale ever      test 3 failed; it now does. If further versions of a French locale ever
82      come to light, they can now easily be added.      come to light, they can now easily be added.
83    
84  16. If --with-pcregrep-bufsize was given a non-integer value such as "50K",  16. If --with-pcregrep-bufsize was given a non-integer value such as "50K",
85      there was a message during ./configure, but it did not stop. This now      there was a message during ./configure, but it did not stop. This now
86      provokes an error. The invalid example in README has been corrected.      provokes an error. The invalid example in README has been corrected.
87      If a value less than the minimum is given, the minimum value has always      If a value less than the minimum is given, the minimum value has always
88      been used, but now a warning is given.      been used, but now a warning is given.
89    
90  17. If --enable-bsr-anycrlf was set, the special 16/32-bit test failed. This  17. If --enable-bsr-anycrlf was set, the special 16/32-bit test failed. This
91      was a bug in the test system, which is now fixed. Also, the list of various      was a bug in the test system, which is now fixed. Also, the list of various
92      configurations that are tested for each release did not have one with both      configurations that are tested for each release did not have one with both
93      16/32 bits and --enable-bar-anycrlf. It now does.      16/32 bits and --enable-bar-anycrlf. It now does.
94    
95  18. pcretest was missing "-C bsr" for displaying the \R default setting.  18. pcretest was missing "-C bsr" for displaying the \R default setting.
96    
97  19. Little endian PowerPC systems are supported now by the JIT compiler.  19. Little endian PowerPC systems are supported now by the JIT compiler.
98    
99  20. The fast forward newline mechanism could enter to an infinite loop on  20. The fast forward newline mechanism could enter to an infinite loop on
100      certain invalid UTF-8 input. Although we don't support these cases      certain invalid UTF-8 input. Although we don't support these cases
101      this issue can be fixed by a performance optimization.      this issue can be fixed by a performance optimization.
102    
103  21. Change 33 of 8.34 is not sufficient to ensure stack safety because it does  21. Change 33 of 8.34 is not sufficient to ensure stack safety because it does
104      not take account if existing stack usage. There is now a new global      not take account if existing stack usage. There is now a new global
105      variable called pcre_stack_guard that can be set to point to an external      variable called pcre_stack_guard that can be set to point to an external
106      function to check stack availability. It is called at the start of      function to check stack availability. It is called at the start of
107      processing every parenthesized group.      processing every parenthesized group.
108    
109    
110  Version 8.34 15-December-2013  Version 8.34 15-December-2013

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