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-rw-r--r--thirdparty/pcre2/src/pcre2_internal.h21
1 files changed, 15 insertions, 6 deletions
diff --git a/thirdparty/pcre2/src/pcre2_internal.h b/thirdparty/pcre2/src/pcre2_internal.h
index fe8ffe5c80..d8fad1e93b 100644
--- a/thirdparty/pcre2/src/pcre2_internal.h
+++ b/thirdparty/pcre2/src/pcre2_internal.h
@@ -7,7 +7,7 @@ and semantics are as close as possible to those of the Perl 5 language.
Written by Philip Hazel
Original API code Copyright (c) 1997-2012 University of Cambridge
- New API code Copyright (c) 2016-2019 University of Cambridge
+ New API code Copyright (c) 2016-2020 University of Cambridge
-----------------------------------------------------------------------------
Redistribution and use in source and binary forms, with or without
@@ -76,6 +76,17 @@ typedef int BOOL;
#include <valgrind/memcheck.h>
#endif
+/* -ftrivial-auto-var-init support supports initializing all local variables
+to avoid some classes of bug, but this can cause an unacceptable slowdown
+for large on-stack arrays in hot functions. This macro lets us annotate
+such arrays. */
+
+#ifdef HAVE_ATTRIBUTE_UNINITIALIZED
+#define PCRE2_KEEP_UNINITIALIZED __attribute__((uninitialized))
+#else
+#define PCRE2_KEEP_UNINITIALIZED
+#endif
+
/* Older versions of MSVC lack snprintf(). This define allows for
warning/error-free compilation and testing with MSVC compilers back to at least
MSVC 10/2010. Except for VC6 (which is missing some fundamentals and fails). */
@@ -579,7 +590,7 @@ total length of the tables. */
#define fcc_offset 256 /* Flip case */
#define cbits_offset 512 /* Character classes */
#define ctypes_offset (cbits_offset + cbit_length) /* Character types */
-#define tables_length (ctypes_offset + 256)
+#define TABLES_LENGTH (ctypes_offset + 256)
/* -------------------- Character and string names ------------------------ */
@@ -1759,13 +1770,11 @@ typedef struct pcre2_memctl {
/* Structure for building a chain of open capturing subpatterns during
compiling, so that instructions to close them can be compiled when (*ACCEPT) is
-encountered. This is also used to identify subpatterns that contain recursive
-back references to themselves, so that they can be made atomic. */
+encountered. */
typedef struct open_capitem {
struct open_capitem *next; /* Chain link */
uint16_t number; /* Capture number */
- uint16_t flag; /* Set TRUE if recursive back ref */
uint16_t assert_depth; /* Assertion depth when opened */
} open_capitem;
@@ -1954,7 +1963,7 @@ is available. */
#define _pcre2_was_newline PCRE2_SUFFIX(_pcre2_was_newline_)
#define _pcre2_xclass PCRE2_SUFFIX(_pcre2_xclass_)
-extern int _pcre2_auto_possessify(PCRE2_UCHAR *, BOOL,
+extern int _pcre2_auto_possessify(PCRE2_UCHAR *,
const compile_block *);
extern int _pcre2_check_escape(PCRE2_SPTR *, PCRE2_SPTR, uint32_t *,
int *, uint32_t, uint32_t, BOOL, compile_block *);