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-rw-r--r--src/3rdparty/pcre/pcre_dfa_exec.c69
1 files changed, 30 insertions, 39 deletions
diff --git a/src/3rdparty/pcre/pcre_dfa_exec.c b/src/3rdparty/pcre/pcre_dfa_exec.c
index 243309789e..886df525cc 100644
--- a/src/3rdparty/pcre/pcre_dfa_exec.c
+++ b/src/3rdparty/pcre/pcre_dfa_exec.c
@@ -7,7 +7,7 @@ and semantics are as close as possible to those of the Perl 5 language (but see
below for why this module is different).
Written by Philip Hazel
- Copyright (c) 1997-2013 University of Cambridge
+ Copyright (c) 1997-2014 University of Cambridge
-----------------------------------------------------------------------------
Redistribution and use in source and binary forms, with or without
@@ -1473,7 +1473,7 @@ for (;;)
goto ANYNL01;
case CHAR_CR:
- if (ptr + 1 < end_subject && RAWUCHARTEST(ptr + 1) == CHAR_LF) ncount = 1;
+ if (ptr + 1 < end_subject && UCHAR21TEST(ptr + 1) == CHAR_LF) ncount = 1;
/* Fall through */
ANYNL01:
@@ -1742,7 +1742,7 @@ for (;;)
goto ANYNL02;
case CHAR_CR:
- if (ptr + 1 < end_subject && RAWUCHARTEST(ptr + 1) == CHAR_LF) ncount = 1;
+ if (ptr + 1 < end_subject && UCHAR21TEST(ptr + 1) == CHAR_LF) ncount = 1;
/* Fall through */
ANYNL02:
@@ -2012,7 +2012,7 @@ for (;;)
goto ANYNL03;
case CHAR_CR:
- if (ptr + 1 < end_subject && RAWUCHARTEST(ptr + 1) == CHAR_LF) ncount = 1;
+ if (ptr + 1 < end_subject && UCHAR21TEST(ptr + 1) == CHAR_LF) ncount = 1;
/* Fall through */
ANYNL03:
@@ -2210,7 +2210,7 @@ for (;;)
if ((md->moptions & PCRE_PARTIAL_HARD) != 0)
reset_could_continue = TRUE;
}
- else if (RAWUCHARTEST(ptr + 1) == CHAR_LF)
+ else if (UCHAR21TEST(ptr + 1) == CHAR_LF)
{
ADD_NEW_DATA(-(state_offset + 1), 0, 1);
}
@@ -3466,7 +3466,7 @@ for (;;)
if (((options | re->options) & PCRE_NO_START_OPTIMIZE) == 0)
{
- /* Advance to a known first char. */
+ /* Advance to a known first pcre_uchar (i.e. data item) */
if (has_first_char)
{
@@ -3474,12 +3474,12 @@ for (;;)
{
pcre_uchar csc;
while (current_subject < end_subject &&
- (csc = RAWUCHARTEST(current_subject)) != first_char && csc != first_char2)
+ (csc = UCHAR21TEST(current_subject)) != first_char && csc != first_char2)
current_subject++;
}
else
while (current_subject < end_subject &&
- RAWUCHARTEST(current_subject) != first_char)
+ UCHAR21TEST(current_subject) != first_char)
current_subject++;
}
@@ -3509,36 +3509,26 @@ for (;;)
ANYCRLF, and we are now at a LF, advance the match position by one
more character. */
- if (RAWUCHARTEST(current_subject - 1) == CHAR_CR &&
+ if (UCHAR21TEST(current_subject - 1) == CHAR_CR &&
(md->nltype == NLTYPE_ANY || md->nltype == NLTYPE_ANYCRLF) &&
current_subject < end_subject &&
- RAWUCHARTEST(current_subject) == CHAR_NL)
+ UCHAR21TEST(current_subject) == CHAR_NL)
current_subject++;
}
}
- /* Or to a non-unique first char after study */
+ /* Advance to a non-unique first pcre_uchar after study */
else if (start_bits != NULL)
{
while (current_subject < end_subject)
{
- register pcre_uint32 c = RAWUCHARTEST(current_subject);
+ register pcre_uint32 c = UCHAR21TEST(current_subject);
#ifndef COMPILE_PCRE8
if (c > 255) c = 255;
#endif
- if ((start_bits[c/8] & (1 << (c&7))) == 0)
- {
- current_subject++;
-#if defined SUPPORT_UTF && defined COMPILE_PCRE8
- /* In non 8-bit mode, the iteration will stop for
- characters > 255 at the beginning or not stop at all. */
- if (utf)
- ACROSSCHAR(current_subject < end_subject, *current_subject,
- current_subject++);
-#endif
- }
- else break;
+ if ((start_bits[c/8] & (1 << (c&7))) != 0) break;
+ current_subject++;
}
}
}
@@ -3557,19 +3547,20 @@ for (;;)
/* If the pattern was studied, a minimum subject length may be set. This
is a lower bound; no actual string of that length may actually match the
pattern. Although the value is, strictly, in characters, we treat it as
- bytes to avoid spending too much time in this optimization. */
+ in pcre_uchar units to avoid spending too much time in this optimization.
+ */
if (study != NULL && (study->flags & PCRE_STUDY_MINLEN) != 0 &&
(pcre_uint32)(end_subject - current_subject) < study->minlength)
return PCRE_ERROR_NOMATCH;
- /* If req_char is set, we know that that character must appear in the
- subject for the match to succeed. If the first character is set, req_char
- must be later in the subject; otherwise the test starts at the match
- point. This optimization can save a huge amount of work in patterns with
- nested unlimited repeats that aren't going to match. Writing separate
- code for cased/caseless versions makes it go faster, as does using an
- autoincrement and backing off on a match.
+ /* If req_char is set, we know that that pcre_uchar must appear in the
+ subject for the match to succeed. If the first pcre_uchar is set,
+ req_char must be later in the subject; otherwise the test starts at the
+ match point. This optimization can save a huge amount of work in patterns
+ with nested unlimited repeats that aren't going to match. Writing
+ separate code for cased/caseless versions makes it go faster, as does
+ using an autoincrement and backing off on a match.
HOWEVER: when the subject string is very, very long, searching to its end
can take a long time, and give bad performance on quite ordinary
@@ -3589,7 +3580,7 @@ for (;;)
{
while (p < end_subject)
{
- register pcre_uint32 pp = RAWUCHARINCTEST(p);
+ register pcre_uint32 pp = UCHAR21INCTEST(p);
if (pp == req_char || pp == req_char2) { p--; break; }
}
}
@@ -3597,18 +3588,18 @@ for (;;)
{
while (p < end_subject)
{
- if (RAWUCHARINCTEST(p) == req_char) { p--; break; }
+ if (UCHAR21INCTEST(p) == req_char) { p--; break; }
}
}
- /* If we can't find the required character, break the matching loop,
+ /* If we can't find the required pcre_uchar, break the matching loop,
which will cause a return or PCRE_ERROR_NOMATCH. */
if (p >= end_subject) break;
- /* If we have found the required character, save the point where we
+ /* If we have found the required pcre_uchar, save the point where we
found it, so that we don't search again next time round the loop if
- the start hasn't passed this character yet. */
+ the start hasn't passed this point yet. */
req_char_ptr = p;
}
@@ -3665,9 +3656,9 @@ for (;;)
not contain any explicit matches for \r or \n, and the newline option is CRLF
or ANY or ANYCRLF, advance the match position by one more character. */
- if (RAWUCHARTEST(current_subject - 1) == CHAR_CR &&
+ if (UCHAR21TEST(current_subject - 1) == CHAR_CR &&
current_subject < end_subject &&
- RAWUCHARTEST(current_subject) == CHAR_NL &&
+ UCHAR21TEST(current_subject) == CHAR_NL &&
(re->flags & PCRE_HASCRORLF) == 0 &&
(md->nltype == NLTYPE_ANY ||
md->nltype == NLTYPE_ANYCRLF ||