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Update bundled PCRE2-library to version 10.23

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Some manual changes done to the library were lost with this update.
They will be added in the next commit.
This commit is contained in:
Esa Korhonen
2017-05-29 15:31:42 +03:00
parent 7231563937
commit 36af74cb25
218 changed files with 49218 additions and 26130 deletions
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26
pcre2/doc/pcre2jit.3
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@ -1,4 +1,4 @@
.TH PCRE2JIT 3 "27 November 2014" "PCRE2 10.00"
.TH PCRE2JIT 3 "05 June 2016" "PCRE2 10.22"
.SH NAME
PCRE2 - Perl-compatible regular expressions (revised API)
.SH "PCRE2 JUST-IN-TIME COMPILER SUPPORT"
@ -61,6 +61,12 @@ much faster than the normal interpretive code, but yields exactly the same
results. The returned value from \fBpcre2_jit_compile()\fP is zero on success,
or a negative error code.
.P
There is a limit to the size of pattern that JIT supports, imposed by the size
of machine stack that it uses. The exact rules are not documented because they
may change at any time, in particular, when new optimizations are introduced.
If a pattern is too big, a call to \fBpcre2_jit_compile()\fB returns
PCRE2_ERROR_NOMEMORY.
.P
PCRE2_JIT_COMPLETE requests the JIT compiler to generate code for complete
matches. If you want to run partial matches using the PCRE2_PARTIAL_HARD or
PCRE2_PARTIAL_SOFT options of \fBpcre2_match()\fP, you should set one or both
@ -122,6 +128,9 @@ PCRE2_NOTBOL, PCRE2_NOTEOL, PCRE2_NOTEMPTY, PCRE2_NOTEMPTY_ATSTART,
PCRE2_NO_UTF_CHECK, PCRE2_PARTIAL_HARD, and PCRE2_PARTIAL_SOFT. The
PCRE2_ANCHORED option is not supported at match time.
.P
If the PCRE2_NO_JIT option is passed to \fBpcre2_match()\fP it disables the
use of JIT, forcing matching by the interpreter code.
.P
The only unsupported pattern items are \eC (match a single data unit) when
running in a UTF mode, and a callout immediately before an assertion condition
in a conditional group.
@ -207,8 +216,13 @@ for JIT matching. A callback function can therefore be used to determine
whether a match operation was executed by JIT or by the interpreter.
.P
You may safely use the same JIT stack for more than one pattern (either by
assigning directly or by callback), as long as the patterns are all matched
sequentially in the same thread. In a multithread application, if you do not
assigning directly or by callback), as long as the patterns are matched
sequentially in the same thread. Currently, the only way to set up
non-sequential matches in one thread is to use callouts: if a callout function
starts another match, that match must use a different JIT stack to the one used
for currently suspended match(es).
.P
In a multithread application, if you do not
specify a JIT stack, or if you assign or pass back NULL from a callback, that
is thread-safe, because each thread has its own machine stack. However, if you
assign or pass back a non-NULL JIT stack, this must be a different stack for
@ -366,7 +380,7 @@ The fast path function is called \fBpcre2_jit_match()\fP, and it takes exactly
the same arguments as \fBpcre2_match()\fP. The return values are also the same,
plus PCRE2_ERROR_JIT_BADOPTION if a matching mode (partial or complete) is
requested that was not compiled. Unsupported option bits (for example,
PCRE2_ANCHORED) are ignored.
PCRE2_ANCHORED) are ignored, as is the PCRE2_NO_JIT option.
.P
When you call \fBpcre2_match()\fP, as well as testing for invalid options, a
number of other sanity checks are performed on the arguments. For example, if
@ -399,6 +413,6 @@ Cambridge, England.
.rs
.sp
.nf
Last updated: 27 November 2014
Copyright (c) 1997-2014 University of Cambridge.
Last updated: 05 June 2016
Copyright (c) 1997-2016 University of Cambridge.
.fi