Final file tidies for 10.32
This commit is contained in:
Philip.Hazel
parent
ab30606b01
commit
bf3c7c68ec
28
ChangeLog
28
ChangeLog
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@ -155,37 +155,37 @@ bcopy() doesn't return a result. This feature is now refactored always to call
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an emulation function when there is no memmove(). The emulation makes use of
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bcopy() when available.
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34. When serializing a pattern, set the memctl, executable_jit, and tables
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fields (that is, all the fields that contain pointers) to zeros so that the
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result of serializing is always the same. These fields are re-set when the
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34. When serializing a pattern, set the memctl, executable_jit, and tables
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fields (that is, all the fields that contain pointers) to zeros so that the
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result of serializing is always the same. These fields are re-set when the
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pattern is deserialized.
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35. In a pattern such as /[^\x{100}-\x{ffff}]*[\x80-\xff]/ which has a repeated
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negative class with no characters less than 0x100 followed by a positive class
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with only characters less than 0x100, the first class was incorrectly being
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with only characters less than 0x100, the first class was incorrectly being
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auto-possessified, causing incorrect match failures.
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36. Removed the character type bit ctype_meta, which dates from PCRE1 and is
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36. Removed the character type bit ctype_meta, which dates from PCRE1 and is
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not used in PCRE2.
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37. Tidied up unnecessarily complicated macros used in the escapes table.
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38. Since 10.21, the new testoutput8-16-4 file has accidentally been omitted
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from distribution tarballs, owing to a typo in Makefile.am which had
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38. Since 10.21, the new testoutput8-16-4 file has accidentally been omitted
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from distribution tarballs, owing to a typo in Makefile.am which had
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testoutput8-16-3 twice. Now fixed.
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39. If the only branch in a conditional subpattern was anchored, the whole
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subpattern was treated as anchored, when it should not have been, since the
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assumed empty second branch cannot be anchored. Demonstrated by test patterns
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39. If the only branch in a conditional subpattern was anchored, the whole
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subpattern was treated as anchored, when it should not have been, since the
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assumed empty second branch cannot be anchored. Demonstrated by test patterns
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such as /(?(1)^())b/ or /(?(?=^))b/.
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40. A repeated conditional subpattern that could match an empty string was
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40. A repeated conditional subpattern that could match an empty string was
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always assumed to be unanchored. Now it it checked just like any other
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repeated conditional subpattern, and can be found to be anchored if the minimum
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repeated conditional subpattern, and can be found to be anchored if the minimum
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quantifier is one or more. I can't see much use for a repeated anchored
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pattern, but the behaviour is now consistent.
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41. Minor addition to pcre2_jit_compile.c to avoid static analyzer complaint
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41. Minor addition to pcre2_jit_compile.c to avoid static analyzer complaint
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(for an event that could never occur but you had to have external information
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to know that).
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@ -194,7 +194,7 @@ there was a line that was sufficiently long to cause the input buffer to be
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expanded, the variable holding the location of the end of the previous match
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was being adjusted incorrectly, and could cause an overflow warning from a code
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sanitizer. However, as the value is used only to print pending "after" lines
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when the next match is reached (and there are no such lines in this case) this
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when the next match is reached (and there are no such lines in this case) this
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bug could do no damage.
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10
LICENCE
10
LICENCE
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@ -4,11 +4,11 @@ PCRE2 LICENCE
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PCRE2 is a library of functions to support regular expressions whose syntax
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and semantics are as close as possible to those of the Perl 5 language.
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Release 10 of PCRE2 is distributed under the terms of the "BSD" licence, as
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specified below, with one exemption for certain binary redistributions. The
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documentation for PCRE2, supplied in the "doc" directory, is distributed under
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the same terms as the software itself. The data in the testdata directory is
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not copyrighted and is in the public domain.
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Releases 10.00 and above of PCRE2 are distributed under the terms of the "BSD"
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licence, as specified below, with one exemption for certain binary
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redistributions. The documentation for PCRE2, supplied in the "doc" directory,
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is distributed under the same terms as the software itself. The data in the
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testdata directory is not copyrighted and is in the public domain.
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The basic library functions are written in C and are freestanding. Also
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included in the distribution is a just-in-time compiler that can be used to
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9
NEWS
9
NEWS
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@ -1,11 +1,12 @@
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News about PCRE2 releases
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-------------------------
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Version 10.32 13-August-2018
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----------------------------
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Version 10.32 10-September-2018
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-------------------------------
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This is another mainly bugfix and tidying release with a few minor
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enhancements.
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enhancements. These are the main ones:
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1. pcre2grep now supports the inclusion of binary zeros in patterns that are
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read from files via the -f option.
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@ -22,7 +23,7 @@ parameter now applies to pcre2_dfa_match().
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5. (*ACCEPT:ARG), (*FAIL:ARG), and (*COMMIT:ARG) are now supported.
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6. Added support for \N{U+dddd}, but not in EBCDIC environments.
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6. Added support for \N{U+dddd}, but only in Unicode mode.
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7. Added support for (?^) to unset all imnsx options.
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@ -10,8 +10,8 @@ dnl be defined as -RC2, for example. For real releases, it should be empty.
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m4_define(pcre2_major, [10])
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m4_define(pcre2_minor, [32])
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m4_define(pcre2_prerelease, [-RC1])
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m4_define(pcre2_date, [2018-08-13])
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m4_define(pcre2_prerelease, [])
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m4_define(pcre2_date, [2018-09-10])
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# NOTE: The CMakeLists.txt file searches for the above variables in the first
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# 50 lines of this file. Please update that if the variables above are moved.
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@ -839,7 +839,7 @@ AC_SUBST(EXTRA_LIBPCRE2_POSIX_LDFLAGS)
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# When we run 'make distcheck', use these arguments. Turning off compiler
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# optimization makes it run faster.
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DISTCHECK_CONFIGURE_FLAGS="CFLAGS='' CXXFLAGS='' --enable-pcre2-16 --enable-pcre2-32 --enable-jit --enable-utf"
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DISTCHECK_CONFIGURE_FLAGS="CFLAGS='' CXXFLAGS='' --enable-pcre2-16 --enable-pcre2-32 --enable-jit"
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AC_SUBST(DISTCHECK_CONFIGURE_FLAGS)
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# Check that, if --enable-pcre2grep-libz or --enable-pcre2grep-libbz2 is
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@ -1804,7 +1804,8 @@ Unicode support (which is the default). If Unicode support is not available,
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the use of this option provokes an error. Details of how PCRE2_UTF changes the
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behaviour of PCRE2 are given in the
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<a href="pcre2unicode.html"><b>pcre2unicode</b></a>
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page.
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page. In particular, note that it changes the way PCRE2_CASELESS handles
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characters with code points greater than 127.
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<a name="extracompileoptions"></a></P>
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<br><b>
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Extra compile options
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@ -2776,7 +2777,7 @@ Elements in the ovector that do not correspond to capturing parentheses in the
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pattern are never changed. That is, if a pattern contains <i>n</i> capturing
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parentheses, no more than <i>ovector[0]</i> to <i>ovector[2n+1]</i> are set by
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<b>pcre2_match()</b>. The other elements retain whatever values they previously
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had.
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had. After a failed match attempt, the contents of the ovector are unchanged.
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<a name="matchotherdata"></a></P>
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<br><a name="SEC30" href="#TOC1">OTHER INFORMATION ABOUT A MATCH</a><br>
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<P>
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@ -3192,6 +3193,12 @@ functions from the match context, if provided, or else those that were used to
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allocate memory for the compiled code.
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</P>
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<P>
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If an external <i>match_data</i> block is provided, its contents afterwards
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are those set by the final call to <b>pcre2_match()</b>, which will have
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ended in a matching error. The contents of the ovector within the match data
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block may or may not have been changed.
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</P>
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<P>
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The <i>outlengthptr</i> argument must point to a variable that contains the
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length, in code units, of the output buffer. If the function is successful, the
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value is updated to contain the length of the new string, excluding the
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@ -3658,7 +3665,7 @@ Cambridge, England.
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</P>
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<br><a name="SEC42" href="#TOC1">REVISION</a><br>
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<P>
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Last updated: 03 August 2018
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Last updated: 07 September 2018
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<br>
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Copyright © 1997-2018 University of Cambridge.
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<br>
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@ -399,14 +399,15 @@ these escapes are as follows:
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\ddd character with octal code ddd, or backreference
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\o{ddd..} character with octal code ddd..
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\xhh character with hex code hh
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\x{hhh..} character with hex code hhh.. (default mode)
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\N{U+hhh..} character with Unicode code point hhh..
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\x{hhh..} character with hex code hhh..
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\N{U+hhh..} character with Unicode hex code point hhh..
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\uhhhh character with hex code hhhh (when PCRE2_ALT_BSUX is set)
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</pre>
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The \N{U+hhh..} escape sequence is recognized only when the PCRE2_UTF option
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is set, that is, when PCRE2 is operating in a Unicode mode. Perl also uses
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\N{name} to specify characters by Unicode name; PCRE2 does not support this.
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Note that when \N is not followed by an opening brace (curly bracket) it has
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an entirely different meaning, matching any character that is not a newline.
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Perl also uses \N{name} to specify characters by Unicode name; PCRE2 does not
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support this.
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</P>
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<P>
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The precise effect of \cx on ASCII characters is as follows: if x is a lower
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@ -530,7 +531,8 @@ limited to certain values, as follows:
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Invalid Unicode code points are all those in the range 0xd800 to 0xdfff (the
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so-called "surrogate" code points). The check for these can be disabled by the
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caller of <b>pcre2_compile()</b> by setting the option
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PCRE2_EXTRA_ALLOW_SURROGATE_ESCAPES.
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PCRE2_EXTRA_ALLOW_SURROGATE_ESCAPES. However, this is possible only in UTF-8
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and UTF-32 modes, because these values are not representable in UTF-16.
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</P>
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<br><b>
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Escape sequences in character classes
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@ -3595,13 +3597,16 @@ verbs in subroutines is different in some cases.
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an immediate backtrack.
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</P>
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<P>
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(*COMMIT), (*SKIP), and (*PRUNE) in a subpattern called as a subroutine cause
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the subroutine match to fail.
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(*COMMIT), (*SKIP), and (*PRUNE) cause the subroutine match to fail when
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triggered by being backtracked to in a subpattern called as a subroutine. There
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is then a backtrack at the outer level.
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</P>
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<P>
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(*THEN) skips to the next alternative in the innermost enclosing group within
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the subpattern that has alternatives. If there is no such group within the
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subpattern, (*THEN) causes the subroutine match to fail.
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(*THEN), when triggered, skips to the next alternative in the innermost
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enclosing group within the subpattern that has alternatives (its normal
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behaviour). However, if there is no such group within the subroutine
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subpattern, the subroutine match fails and there is a backtrack at the outer
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level.
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</P>
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<br><a name="SEC28" href="#TOC1">SEE ALSO</a><br>
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<P>
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@ -3619,7 +3624,7 @@ Cambridge, England.
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</P>
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<br><a name="SEC30" href="#TOC1">REVISION</a><br>
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<P>
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Last updated: 03 August 2018
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Last updated: 04 September 2018
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<br>
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Copyright © 1997-2018 University of Cambridge.
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<br>
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@ -70,7 +70,7 @@ This table applies to ASCII and Unicode environments.
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\ddd character with octal code ddd, or backreference
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\o{ddd..} character with octal code ddd..
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\U "U" if PCRE2_ALT_BSUX is set (otherwise is an error)
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\N{U+hh..} character with Unicode code point hh..
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\N{U+hh..} character with Unicode code point hh.. (Unicode mode only)
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\uhhhh character with hex code hhhh (if PCRE2_ALT_BSUX is set)
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\xhh character with hex code hh
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\x{hh..} character with hex code hh..
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@ -634,7 +634,7 @@ Cambridge, England.
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</P>
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<br><a name="SEC27" href="#TOC1">REVISION</a><br>
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<P>
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Last updated: 01 August 2018
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Last updated: 02 September 2018
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<br>
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Copyright © 1997-2018 University of Cambridge.
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<br>
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@ -26,7 +26,8 @@ you must call
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with the PCRE2_UTF option flag, or the pattern must start with the sequence
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(*UTF). When either of these is the case, both the pattern and any subject
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strings that are matched against it are treated as UTF strings instead of
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strings of individual one-code-unit characters.
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strings of individual one-code-unit characters. There are also some other
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changes to the way characters are handled, as documented below.
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</P>
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<P>
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If you do not need Unicode support you can build PCRE2 without it, in which
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@ -59,6 +60,11 @@ values have to use braced sequences. Unbraced octal code points up to \777 are
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also recognized; larger ones can be coded using \o{...}.
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</P>
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<P>
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The escape sequence \N{U+<hex digits>} is recognized as another way of
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specifying a Unicode character by code point in a UTF mode. It is not allowed
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in non-UTF modes.
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</P>
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<P>
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In UTF modes, repeat quantifiers apply to complete UTF characters, not to
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individual code units.
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</P>
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@ -294,9 +300,9 @@ Cambridge, England.
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REVISION
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</b><br>
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<P>
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Last updated: 17 May 2017
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Last updated: 02 September 2018
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<br>
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Copyright © 1997-2017 University of Cambridge.
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Copyright © 1997-2018 University of Cambridge.
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<br>
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<p>
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Return to the <a href="index.html">PCRE2 index page</a>.
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1190
doc/pcre2.txt
1190
doc/pcre2.txt
File diff suppressed because it is too large
Load Diff
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@ -1756,7 +1756,7 @@ behaviour of PCRE2 are given in the
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.\" HREF
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\fBpcre2unicode\fP
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.\"
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page. In particular, note that it changes the way PCRE2_CASELESS handles
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page. In particular, note that it changes the way PCRE2_CASELESS handles
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characters with code points greater than 127.
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.
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.
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@ -3200,9 +3200,9 @@ data block is obtained and freed within this function, using memory management
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functions from the match context, if provided, or else those that were used to
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allocate memory for the compiled code.
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.P
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If an external \fImatch_data\fP block is provided, its contents afterwards
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If an external \fImatch_data\fP block is provided, its contents afterwards
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are those set by the final call to \fBpcre2_match()\fP, which will have
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ended in a matching error. The contents of the ovector within the match data
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ended in a matching error. The contents of the ovector within the match data
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block may or may not have been changed.
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.P
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The \fIoutlengthptr\fP argument must point to a variable that contains the
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@ -3630,7 +3630,7 @@ is then a backtrack at the outer level.
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(*THEN), when triggered, skips to the next alternative in the innermost
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enclosing group within the subpattern that has alternatives (its normal
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behaviour). However, if there is no such group within the subroutine
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subpattern, the subroutine match fails and there is a backtrack at the outer
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subpattern, the subroutine match fails and there is a backtrack at the outer
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level.
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.
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.
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@ -53,7 +53,7 @@ values have to use braced sequences. Unbraced octal code points up to \e777 are
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also recognized; larger ones can be coded using \eo{...}.
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.P
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The escape sequence \eN{U+<hex digits>} is recognized as another way of
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specifying a Unicode character by code point in a UTF mode. It is not allowed
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specifying a Unicode character by code point in a UTF mode. It is not allowed
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in non-UTF modes.
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.P
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In UTF modes, repeat quantifiers apply to complete UTF characters, not to
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@ -214,7 +214,7 @@ sure both macros are undefined; an emulation function will then be used. */
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#define PACKAGE_NAME "PCRE2"
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/* Define to the full name and version of this package. */
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#define PACKAGE_STRING "PCRE2 10.32-RC1"
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#define PACKAGE_STRING "PCRE2 10.32"
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/* Define to the one symbol short name of this package. */
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#define PACKAGE_TARNAME "pcre2"
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@ -223,7 +223,7 @@ sure both macros are undefined; an emulation function will then be used. */
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#define PACKAGE_URL ""
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/* Define to the version of this package. */
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#define PACKAGE_VERSION "10.32-RC1"
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#define PACKAGE_VERSION "10.32"
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/* The value of PARENS_NEST_LIMIT specifies the maximum depth of nested
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parentheses (of any kind) in a pattern. This limits the amount of system
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@ -343,7 +343,7 @@ sure both macros are undefined; an emulation function will then be used. */
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#endif
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/* Version number of package */
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#define VERSION "10.32-RC1"
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#define VERSION "10.32"
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/* Define to 1 if on MINIX. */
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/* #undef _MINIX */
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@ -43,8 +43,8 @@ POSSIBILITY OF SUCH DAMAGE.
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#define PCRE2_MAJOR 10
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#define PCRE2_MINOR 32
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#define PCRE2_PRERELEASE -RC1
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#define PCRE2_DATE 2018-08-13
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#define PCRE2_PRERELEASE
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#define PCRE2_DATE 2018-09-10
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/* For the benefit of systems without stdint.h, an alternative is to use
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inttypes.h. The existence of these headers is checked by configure or CMake. */
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@ -316,7 +316,7 @@ pcre2_pattern_convert(). */
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#define PCRE2_ERROR_INTERNAL_BAD_CODE_IN_SKIP 190
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#define PCRE2_ERROR_NO_SURROGATES_IN_UTF16 191
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#define PCRE2_ERROR_BAD_LITERAL_OPTIONS 192
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#define PCRE2_ERROR_NOT_SUPPORTED_IN_EBCDIC 193
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#define PCRE2_ERROR_SUPPORTED_ONLY_IN_UNICODE 193
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#define PCRE2_ERROR_INVALID_HYPHEN_IN_OPTIONS 194
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