Upgrade PCRE2 to 10.32

(cherry picked from commit d918e07)

Author: weltling

ext/pcre/pcre2lib/pcre2.h

@@ -5,7 +5,7 @@
 /* This is the public header file for the PCRE library, second API, to be
 #included by applications that call PCRE2 functions.
 
-           Copyright (c) 2016-2017 University of Cambridge
+           Copyright (c) 2016-2018 University of Cambridge
 
 -----------------------------------------------------------------------------
 Redistribution and use in source and binary forms, with or without
@@ -41,10 +41,16 @@ POSSIBILITY OF SUCH DAMAGE.
 
 /* The current PCRE version information. */
 
-#define PCRE2_MAJOR          10
-#define PCRE2_MINOR          31
-#define PCRE2_PRERELEASE     
-#define PCRE2_DATE           2018-02-12
+#define PCRE2_MAJOR           10
+#define PCRE2_MINOR           32
+#define PCRE2_PRERELEASE      
+#define PCRE2_DATE            2018-09-10
+
+/* For the benefit of systems without stdint.h, an alternative is to use
+inttypes.h. The existence of these headers is checked by configure or CMake. */
+
+#define PCRE2_HAVE_STDINT_H   1
+#define PCRE2_HAVE_INTTYPES_H 1
 
 /* When an application links to a PCRE DLL in Windows, the symbols that are
 imported have to be identified as such. When building PCRE2, the appropriate
@@ -81,12 +87,18 @@ set, we ensure here that it has no effect. */
 #define PCRE2_CALL_CONVENTION
 #endif
 
-/* Have to include limits.h, stdlib.h and stdint.h to ensure that size_t and
-uint8_t, UCHAR_MAX, etc are defined. */
+/* Have to include limits.h, stdlib.h and stdint.h (or inttypes.h) to ensure
+that size_t and uint8_t, UCHAR_MAX, etc are defined. If the system has neither
+header, the relevant values must be provided by some other means. */
 
 #include <limits.h>
 #include <stdlib.h>
+
+#if PCRE2_HAVE_STDINT_H
 #include <stdint.h>
+#elif PCRE2_HAVE_INTTYPES_H
+#include <inttypes.h>
+#endif
 
 /* Allow for C++ users compiling this directly. */
 
@@ -269,6 +281,7 @@ pcre2_pattern_convert(). */
 #define PCRE2_ERROR_INTERNAL_UNKNOWN_NEWLINE       156
 #define PCRE2_ERROR_BACKSLASH_G_SYNTAX             157
 #define PCRE2_ERROR_PARENS_QUERY_R_MISSING_CLOSING 158
+/* Error 159 is obsolete and should now never occur */
 #define PCRE2_ERROR_VERB_ARGUMENT_NOT_ALLOWED      159
 #define PCRE2_ERROR_VERB_UNKNOWN                   160
 #define PCRE2_ERROR_SUBPATTERN_NUMBER_TOO_BIG      161
@@ -303,6 +316,8 @@ pcre2_pattern_convert(). */
 #define PCRE2_ERROR_INTERNAL_BAD_CODE_IN_SKIP      190
 #define PCRE2_ERROR_NO_SURROGATES_IN_UTF16         191
 #define PCRE2_ERROR_BAD_LITERAL_OPTIONS            192
+#define PCRE2_ERROR_SUPPORTED_ONLY_IN_UNICODE      193
+#define PCRE2_ERROR_INVALID_HYPHEN_IN_OPTIONS      194
 
 
 /* "Expected" matching error codes: no match and partial match. */
@@ -387,6 +402,7 @@ released, the numbers must not be changed. */
 #define PCRE2_ERROR_BADSERIALIZEDDATA (-62)
 #define PCRE2_ERROR_HEAPLIMIT         (-63)
 #define PCRE2_ERROR_CONVERT_SYNTAX    (-64)
+#define PCRE2_ERROR_INTERNAL_DUPMATCH (-65)
 
 
 /* Request types for pcre2_pattern_info() */

ext/pcre/pcre2lib/pcre2_auto_possess.c

@@ -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) 2016-2017 University of Cambridge
+          New API code Copyright (c) 2016-2018 University of Cambridge
 
 -----------------------------------------------------------------------------
 Redistribution and use in source and binary forms, with or without
@@ -505,7 +505,7 @@ which case the base cannot be possessified.
   utf         TRUE in UTF mode
   cb          compile data block
   base_list   the data list of the base opcode
-  base_end    the end of the data list
+  base_end    the end of the base opcode
   rec_limit   points to recursion depth counter
 
 Returns:      TRUE if the auto-possessification is possible
@@ -730,7 +730,7 @@ for(;;)
       if ((*xclass_flags & XCL_MAP) == 0)
         {
         /* No bits are set for characters < 256. */
-        if (list[1] == 0) return TRUE;
+        if (list[1] == 0) return (*xclass_flags & XCL_NOT) == 0;
         /* Might be an empty repeat. */
         continue;
         }
@@ -1235,6 +1235,7 @@ for (;;)
 #endif
 
     case OP_MARK:
+    case OP_COMMIT_ARG:
     case OP_PRUNE_ARG:
     case OP_SKIP_ARG:
     case OP_THEN_ARG: