/[pcre]/code/trunk/pcre_internal.h
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revision 118 by ph10, Fri Mar 9 16:17:46 2007 UTC revision 1100 by chpe, Tue Oct 16 15:56:26 2012 UTC
# Line 7  Line 7 
7  and semantics are as close as possible to those of the Perl 5 language.  and semantics are as close as possible to those of the Perl 5 language.
8    
9                         Written by Philip Hazel                         Written by Philip Hazel
10             Copyright (c) 1997-2007 University of Cambridge             Copyright (c) 1997-2012 University of Cambridge
11    
12  -----------------------------------------------------------------------------  -----------------------------------------------------------------------------
13  Redistribution and use in source and binary forms, with or without  Redistribution and use in source and binary forms, with or without
# Line 40  POSSIBILITY OF SUCH DAMAGE. Line 40  POSSIBILITY OF SUCH DAMAGE.
40    
41  /* This header contains definitions that are shared between the different  /* This header contains definitions that are shared between the different
42  modules, but which are not relevant to the exported API. This includes some  modules, but which are not relevant to the exported API. This includes some
43  functions whose names all begin with "_pcre_". */  functions whose names all begin with "_pcre_", "_pcre16_" or "_pcre32_"
44    depending on the PRIV macro. */
45    
46  #ifndef PCRE_INTERNAL_H  #ifndef PCRE_INTERNAL_H
47  #define PCRE_INTERNAL_H  #define PCRE_INTERNAL_H
48    
49  /* Define DEBUG to get debugging output on stdout. */  /* Define PCRE_DEBUG to get debugging output on stdout. */
50    
51  #if 0  #if 0
52  #define DEBUG  #define PCRE_DEBUG
53    #endif
54    
55    /* PCRE is compiled as an 8 bit library if it is not requested otherwise. */
56    #if !defined COMPILE_PCRE16 && ! defined COMPILE_PCRE32
57    #define COMPILE_PCRE8
58    #endif
59    
60    /* If SUPPORT_UCP is defined, SUPPORT_UTF must also be defined. The
61    "configure" script ensures this, but not everybody uses "configure". */
62    
63    #if defined SUPPORT_UCP && !(defined SUPPORT_UTF)
64    #define SUPPORT_UTF 1
65    #endif
66    
67    /* We define SUPPORT_UTF if SUPPORT_UTF8 is enabled for compatibility
68    reasons with existing code. */
69    
70    #if defined SUPPORT_UTF8 && !(defined SUPPORT_UTF)
71    #define SUPPORT_UTF 1
72    #endif
73    
74    /* Fixme: SUPPORT_UTF8 should be eventually disappear from the code.
75    Until then we define it if SUPPORT_UTF is defined. */
76    
77    #if defined SUPPORT_UTF && !(defined SUPPORT_UTF8)
78    #define SUPPORT_UTF8 1
79    #endif
80    
81    /* We do not support both EBCDIC and UTF-8/16/32 at the same time. The "configure"
82    script prevents both being selected, but not everybody uses "configure". */
83    
84    #if defined EBCDIC && defined SUPPORT_UTF
85    #error The use of both EBCDIC and SUPPORT_UTF is not supported.
86  #endif  #endif
87    
88  /* Use a macro for debugging printing, 'cause that eliminates the use of #ifdef  /* Use a macro for debugging printing, 'cause that eliminates the use of #ifdef
# Line 60  It turns out that the Mac Debugging.h he Line 94  It turns out that the Mac Debugging.h he
94  be absolutely sure we get our version. */  be absolutely sure we get our version. */
95    
96  #undef DPRINTF  #undef DPRINTF
97  #ifdef DEBUG  #ifdef PCRE_DEBUG
98  #define DPRINTF(p) printf p  #define DPRINTF(p) printf p
99  #else  #else
100  #define DPRINTF(p) /* Nothing */  #define DPRINTF(p) /* Nothing */
101  #endif  #endif
102    
103    
 /* Get the definitions provided by running "configure" */  
   
 #include "config.h"  
   
104  /* Standard C headers plus the external interface definition. The only time  /* Standard C headers plus the external interface definition. The only time
105  setjmp and stdarg are used is when NO_RECURSE is set. */  setjmp and stdarg are used is when NO_RECURSE is set. */
106    
107  #include <ctype.h>  #include <ctype.h>
108  #include <limits.h>  #include <limits.h>
 #include <setjmp.h>  
 #include <stdarg.h>  
109  #include <stddef.h>  #include <stddef.h>
110  #include <stdio.h>  #include <stdio.h>
111  #include <stdlib.h>  #include <stdlib.h>
112  #include <string.h>  #include <string.h>
113    
114  #ifndef PCRE_SPY  /* When compiling a DLL for Windows, the exported symbols have to be declared
115  #define PCRE_DEFINITION       /* Win32 __declspec(export) trigger for .dll */  using some MS magic. I found some useful information on this web page:
116    http://msdn2.microsoft.com/en-us/library/y4h7bcy6(VS.80).aspx. According to the
117    information there, using __declspec(dllexport) without "extern" we have a
118    definition; with "extern" we have a declaration. The settings here override the
119    setting in pcre.h (which is included below); it defines only PCRE_EXP_DECL,
120    which is all that is needed for applications (they just import the symbols). We
121    use:
122    
123      PCRE_EXP_DECL       for declarations
124      PCRE_EXP_DEFN       for definitions of exported functions
125      PCRE_EXP_DATA_DEFN  for definitions of exported variables
126    
127    The reason for the two DEFN macros is that in non-Windows environments, one
128    does not want to have "extern" before variable definitions because it leads to
129    compiler warnings. So we distinguish between functions and variables. In
130    Windows, the two should always be the same.
131    
132    The reason for wrapping this in #ifndef PCRE_EXP_DECL is so that pcretest,
133    which is an application, but needs to import this file in order to "peek" at
134    internals, can #include pcre.h first to get an application's-eye view.
135    
136    In principle, people compiling for non-Windows, non-Unix-like (i.e. uncommon,
137    special-purpose environments) might want to stick other stuff in front of
138    exported symbols. That's why, in the non-Windows case, we set PCRE_EXP_DEFN and
139    PCRE_EXP_DATA_DEFN only if they are not already set. */
140    
141    #ifndef PCRE_EXP_DECL
142    #  ifdef _WIN32
143    #    ifndef PCRE_STATIC
144    #      define PCRE_EXP_DECL       extern __declspec(dllexport)
145    #      define PCRE_EXP_DEFN       __declspec(dllexport)
146    #      define PCRE_EXP_DATA_DEFN  __declspec(dllexport)
147    #    else
148    #      define PCRE_EXP_DECL       extern
149    #      define PCRE_EXP_DEFN
150    #      define PCRE_EXP_DATA_DEFN
151    #    endif
152    #  else
153    #    ifdef __cplusplus
154    #      define PCRE_EXP_DECL       extern "C"
155    #    else
156    #      define PCRE_EXP_DECL       extern
157    #    endif
158    #    ifndef PCRE_EXP_DEFN
159    #      define PCRE_EXP_DEFN       PCRE_EXP_DECL
160    #    endif
161    #    ifndef PCRE_EXP_DATA_DEFN
162    #      define PCRE_EXP_DATA_DEFN
163    #    endif
164    #  endif
165  #endif  #endif
166    
167  /* We need to have types that specify unsigned 16-bit and 32-bit integers. We  /* When compiling with the MSVC compiler, it is sometimes necessary to include
168    a "calling convention" before exported function names. (This is secondhand
169    information; I know nothing about MSVC myself). For example, something like
170    
171      void __cdecl function(....)
172    
173    might be needed. In order so make this easy, all the exported functions have
174    PCRE_CALL_CONVENTION just before their names. It is rarely needed; if not
175    set, we ensure here that it has no effect. */
176    
177    #ifndef PCRE_CALL_CONVENTION
178    #define PCRE_CALL_CONVENTION
179    #endif
180    
181    /* We need to have types that specify unsigned 8, 16 and 32-bit integers. We
182  cannot determine these outside the compilation (e.g. by running a program as  cannot determine these outside the compilation (e.g. by running a program as
183  part of "configure") because PCRE is often cross-compiled for use on other  part of "configure") because PCRE is often cross-compiled for use on other
184  systems. Instead we make use of the maximum sizes that are available at  systems. Instead we make use of the maximum sizes that are available at
185  preprocessor time in standard C environments. */  preprocessor time in standard C environments. */
186    
187    typedef unsigned char pcre_uint8;
188    
189  #if USHRT_MAX == 65535  #if USHRT_MAX == 65535
190    typedef unsigned short pcre_uint16;    typedef unsigned short pcre_uint16;
191      typedef short pcre_int16;
192  #elif UINT_MAX == 65535  #elif UINT_MAX == 65535
193    typedef unsigned int pcre_uint16;    typedef unsigned int pcre_uint16;
194      typedef int pcre_int16;
195  #else  #else
196    #error Cannot determine a type for 16-bit unsigned integers    #error Cannot determine a type for 16-bit unsigned integers
197  #endif  #endif
198    
199  #if UINT_MAX == 4294967295  #if UINT_MAX == 4294967295
200    typedef unsigned int pcre_uint32;    typedef unsigned int pcre_uint32;
201      typedef int pcre_int32;
202  #elif ULONG_MAX == 4294967295  #elif ULONG_MAX == 4294967295
203    typedef unsigned long int pcre_uint32;    typedef unsigned long int pcre_uint32;
204      typedef long int pcre_int32;
205  #else  #else
206    #error Cannot determine a type for 32-bit unsigned integers    #error Cannot determine a type for 32-bit unsigned integers
207  #endif  #endif
208    
209    /* When checking for integer overflow in pcre_compile(), we need to handle
210    large integers. If a 64-bit integer type is available, we can use that.
211    Otherwise we have to cast to double, which of course requires floating point
212    arithmetic. Handle this by defining a macro for the appropriate type. If
213    stdint.h is available, include it; it may define INT64_MAX. Systems that do not
214    have stdint.h (e.g. Solaris) may have inttypes.h. The macro int64_t may be set
215    by "configure". */
216    
217    #if HAVE_STDINT_H
218    #include <stdint.h>
219    #elif HAVE_INTTYPES_H
220    #include <inttypes.h>
221    #endif
222    
223    #if defined INT64_MAX || defined int64_t
224    #define INT64_OR_DOUBLE int64_t
225    #else
226    #define INT64_OR_DOUBLE double
227    #endif
228    
229  /* All character handling must be done as unsigned characters. Otherwise there  /* All character handling must be done as unsigned characters. Otherwise there
230  are problems with top-bit-set characters and functions such as isspace().  are problems with top-bit-set characters and functions such as isspace().
231  However, we leave the interface to the outside world as char *, because that  However, we leave the interface to the outside world as char * or short *,
232  should make things easier for callers. We define a short type for unsigned char  because that should make things easier for callers. This character type is
233  to save lots of typing. I tried "uchar", but it causes problems on Digital  called pcre_uchar.
234  Unix, where it is defined in sys/types, so use "uschar" instead. */  
235    The IN_UCHARS macro multiply its argument with the byte size of the current
236    pcre_uchar type. Useful for memcpy and such operations, whose require the
237    byte size of their input/output buffers.
238    
239    The MAX_255 macro checks whether its pcre_uchar input is less than 256.
240    
241    The TABLE_GET macro is designed for accessing elements of tables whose contain
242    exactly 256 items. When the character is able to contain more than 256
243    items, some check is needed before accessing these tables.
244    */
245    
246    #if defined COMPILE_PCRE8
247    
248    typedef unsigned char pcre_uchar;
249    #define IN_UCHARS(x) (x)
250    #define MAX_255(c) 1
251    #define TABLE_GET(c, table, default) ((table)[c])
252    
253    #elif defined COMPILE_PCRE16
254    
255    #if USHRT_MAX != 65535
256    /* This is a warning message. Change PCRE_UCHAR16 to a 16 bit data type in
257    pcre.h(.in) and disable (comment out) this message. */
258    #error Warning: PCRE_UCHAR16 is not a 16 bit data type.
259    #endif
260    
261    typedef pcre_uint16 pcre_uchar;
262    #define UCHAR_SHIFT (1)
263    #define IN_UCHARS(x) ((x) << UCHAR_SHIFT)
264    #define MAX_255(c) ((c) <= 255u)
265    #define TABLE_GET(c, table, default) (MAX_255(c)? ((table)[c]):(default))
266    
267    #elif defined COMPILE_PCRE32
268    
269    typedef pcre_uint32 pcre_uchar;
270    #define UCHAR_SHIFT (2)
271    #define IN_UCHARS(x) ((x) << UCHAR_SHIFT)
272    #define MAX_255(c) ((c) <= 255u)
273    #define TABLE_GET(c, table, default) (MAX_255(c)? ((table)[c]):(default))
274    
275  typedef unsigned char uschar;  /* Assert that pcre_uchar32 is a 32-bit type */
276    typedef int __assert_pcre_uchar32_size[sizeof(pcre_uchar) == 4 ? 1 : -1];
277    
278    #else
279    #error Unsupported compiling mode
280    #endif /* COMPILE_PCRE[8|16|32] */
281    
282  /* This is an unsigned int value that no character can ever have. UTF-8  /* This is an unsigned int value that no character can ever have. UTF-8
283  characters only go up to 0x7fffffff (though Unicode doesn't go beyond  characters only go up to 0x7fffffff (though Unicode doesn't go beyond
# Line 125  characters only go up to 0x7fffffff (tho Line 286  characters only go up to 0x7fffffff (tho
286  #define NOTACHAR 0xffffffff  #define NOTACHAR 0xffffffff
287    
288  /* PCRE is able to support several different kinds of newline (CR, LF, CRLF,  /* PCRE is able to support several different kinds of newline (CR, LF, CRLF,
289  and "all" at present). The following macros are used to package up testing for  "any" and "anycrlf" at present). The following macros are used to package up
290  newlines. NLBLOCK, PSSTART, and PSEND are defined in the various modules to  testing for newlines. NLBLOCK, PSSTART, and PSEND are defined in the various
291  indicate in which datablock the parameters exist, and what the start/end of  modules to indicate in which datablock the parameters exist, and what the
292  string field names are. */  start/end of string field names are. */
293    
294  #define NLTYPE_FIXED   0     /* Newline is a fixed length string */  #define NLTYPE_FIXED    0     /* Newline is a fixed length string */
295  #define NLTYPE_ANY     1     /* Newline is any Unicode line ending */  #define NLTYPE_ANY      1     /* Newline is any Unicode line ending */
296    #define NLTYPE_ANYCRLF  2     /* Newline is CR, LF, or CRLF */
297    
298  /* This macro checks for a newline at the given position */  /* This macro checks for a newline at the given position */
299    
300  #define IS_NEWLINE(p) \  #define IS_NEWLINE(p) \
301    ((NLBLOCK->nltype != NLTYPE_FIXED)? \    ((NLBLOCK->nltype != NLTYPE_FIXED)? \
302      ((p) < NLBLOCK->PSEND && \      ((p) < NLBLOCK->PSEND && \
303       _pcre_is_newline((p), NLBLOCK->PSEND, &(NLBLOCK->nllen), utf8) \       PRIV(is_newline)((p), NLBLOCK->nltype, NLBLOCK->PSEND, \
304      ) \         &(NLBLOCK->nllen), utf)) \
305      : \      : \
306      ((p) <= NLBLOCK->PSEND - NLBLOCK->nllen && \      ((p) <= NLBLOCK->PSEND - NLBLOCK->nllen && \
307       (p)[0] == NLBLOCK->nl[0] && \       RAWUCHARTEST(p) == NLBLOCK->nl[0] && \
308       (NLBLOCK->nllen == 1 || (p)[1] == NLBLOCK->nl[1]) \       (NLBLOCK->nllen == 1 || RAWUCHARTEST(p+1) == NLBLOCK->nl[1])       \
309      ) \      ) \
310    )    )
311    
# Line 152  string field names are. */ Line 314  string field names are. */
314  #define WAS_NEWLINE(p) \  #define WAS_NEWLINE(p) \
315    ((NLBLOCK->nltype != NLTYPE_FIXED)? \    ((NLBLOCK->nltype != NLTYPE_FIXED)? \
316      ((p) > NLBLOCK->PSSTART && \      ((p) > NLBLOCK->PSSTART && \
317       _pcre_was_newline((p), NLBLOCK->PSSTART, &(NLBLOCK->nllen), utf8) \       PRIV(was_newline)((p), NLBLOCK->nltype, NLBLOCK->PSSTART, \
318      ) \         &(NLBLOCK->nllen), utf)) \
319      : \      : \
320      ((p) >= NLBLOCK->PSSTART + NLBLOCK->nllen && \      ((p) >= NLBLOCK->PSSTART + NLBLOCK->nllen && \
321       (p)[-NLBLOCK->nllen] == NLBLOCK->nl[0] && \       RAWUCHARTEST(p - NLBLOCK->nllen) == NLBLOCK->nl[0] &&              \
322       (NLBLOCK->nllen == 1 || (p)[-NLBLOCK->nllen+1] == NLBLOCK->nl[1]) \       (NLBLOCK->nllen == 1 || RAWUCHARTEST(p - NLBLOCK->nllen + 1) == NLBLOCK->nl[1]) \
323      ) \      ) \
324    )    )
325    
# Line 171  used for the external interface and appe Line 333  used for the external interface and appe
333  must begin with PCRE_. */  must begin with PCRE_. */
334    
335  #ifdef CUSTOM_SUBJECT_PTR  #ifdef CUSTOM_SUBJECT_PTR
336  #define PCRE_SPTR CUSTOM_SUBJECT_PTR  #define PCRE_PUCHAR CUSTOM_SUBJECT_PTR
 #define USPTR CUSTOM_SUBJECT_PTR  
337  #else  #else
338  #define PCRE_SPTR const char *  #define PCRE_PUCHAR const pcre_uchar *
 #define USPTR const unsigned char *  
339  #endif  #endif
340    
341  /* Include the public PCRE header and the definitions of UCP character property  /* Include the public PCRE header and the definitions of UCP character property
# Line 202  define a macro for memmove() if HAVE_MEM Line 362  define a macro for memmove() if HAVE_MEM
362  is set. Otherwise, include an emulating function for those systems that have  is set. Otherwise, include an emulating function for those systems that have
363  neither (there some non-Unix environments where this is the case). */  neither (there some non-Unix environments where this is the case). */
364    
365  #if ! HAVE_MEMMOVE  #ifndef HAVE_MEMMOVE
366  #undef  memmove        /* some systems may have a macro */  #undef  memmove        /* some systems may have a macro */
367  #if HAVE_BCOPY  #ifdef HAVE_BCOPY
368  #define memmove(a, b, c) bcopy(b, a, c)  #define memmove(a, b, c) bcopy(b, a, c)
369  #else  /* HAVE_BCOPY */  #else  /* HAVE_BCOPY */
370  static void *  static void *
# Line 223  if (dest > src) Line 383  if (dest > src)
383  else  else
384    {    {
385    for (i = 0; i < n; ++i) *dest++ = *src++;    for (i = 0; i < n; ++i) *dest++ = *src++;
386    return (void *)(dest - n);    return (void *)(dest - n);
387    }    }
388  }  }
389  #define memmove(a, b, c) pcre_memmove(a, b, c)  #define memmove(a, b, c) pcre_memmove(a, b, c)
390  #endif   /* not HAVE_BCOPY */  #endif   /* not HAVE_BCOPY */
# Line 245  The macros are controlled by the value o Line 405  The macros are controlled by the value o
405  the config.h file, but can be overridden by using -D on the command line. This  the config.h file, but can be overridden by using -D on the command line. This
406  is automated on Unix systems via the "configure" command. */  is automated on Unix systems via the "configure" command. */
407    
408    #if defined COMPILE_PCRE8
409    
410  #if LINK_SIZE == 2  #if LINK_SIZE == 2
411    
412  #define PUT(a,n,d)   \  #define PUT(a,n,d)   \
# Line 281  is automated on Unix systems via the "co Line 443  is automated on Unix systems via the "co
443  #define GET(a,n) \  #define GET(a,n) \
444    (((a)[n] << 24) | ((a)[(n)+1] << 16) | ((a)[(n)+2] << 8) | (a)[(n)+3])    (((a)[n] << 24) | ((a)[(n)+1] << 16) | ((a)[(n)+2] << 8) | (a)[(n)+3])
445    
446  #define MAX_PATTERN_SIZE (1 << 30)   /* Keep it positive */  /* Keep it positive */
447    #define MAX_PATTERN_SIZE (1 << 30)
448    
449    #else
450    #error LINK_SIZE must be either 2, 3, or 4
451    #endif
452    
453    #elif defined COMPILE_PCRE16
454    
455    #if LINK_SIZE == 2
456    
457    /* Redefine LINK_SIZE as a multiple of sizeof(pcre_uchar) */
458    #undef LINK_SIZE
459    #define LINK_SIZE 1
460    
461    #define PUT(a,n,d)   \
462      (a[n] = (d))
463    
464    #define GET(a,n) \
465      (a[n])
466    
467    #define MAX_PATTERN_SIZE (1 << 16)
468    
469    #elif LINK_SIZE == 3 || LINK_SIZE == 4
470    
471    /* Redefine LINK_SIZE as a multiple of sizeof(pcre_uchar) */
472    #undef LINK_SIZE
473    #define LINK_SIZE 2
474    
475    #define PUT(a,n,d)   \
476      (a[n] = (d) >> 16), \
477      (a[(n)+1] = (d) & 65535)
478    
479    #define GET(a,n) \
480      (((a)[n] << 16) | (a)[(n)+1])
481    
482    /* Keep it positive */
483    #define MAX_PATTERN_SIZE (1 << 30)
484    
485  #else  #else
486  #error LINK_SIZE must be either 2, 3, or 4  #error LINK_SIZE must be either 2, 3, or 4
487  #endif  #endif
488    
489    #elif defined COMPILE_PCRE32
490    
491    /* Only supported LINK_SIZE is 4 */
492    /* Redefine LINK_SIZE as a multiple of sizeof(pcre_uchar) */
493    #undef LINK_SIZE
494    #define LINK_SIZE 1
495    
496    #define PUT(a,n,d)   \
497      (a[n] = (d))
498    
499    #define GET(a,n) \
500      (a[n])
501    
502    /* Keep it positive */
503    #define MAX_PATTERN_SIZE (1 << 30)
504    
505    #else
506    #error Unsupported compiling mode
507    #endif /* COMPILE_PCRE[8|16|32] */
508    
509  /* Convenience macro defined in terms of the others */  /* Convenience macro defined in terms of the others */
510    
# Line 298  is automated on Unix systems via the "co Line 515  is automated on Unix systems via the "co
515  offsets changes. There are used for repeat counts and for other things such as  offsets changes. There are used for repeat counts and for other things such as
516  capturing parenthesis numbers in back references. */  capturing parenthesis numbers in back references. */
517    
518    #if defined COMPILE_PCRE8
519    
520    #define IMM2_SIZE 2
521    
522  #define PUT2(a,n,d)   \  #define PUT2(a,n,d)   \
523    a[n] = (d) >> 8; \    a[n] = (d) >> 8; \
524    a[(n)+1] = (d) & 255    a[(n)+1] = (d) & 255
# Line 305  capturing parenthesis numbers in back re Line 526  capturing parenthesis numbers in back re
526  #define GET2(a,n) \  #define GET2(a,n) \
527    (((a)[n] << 8) | (a)[(n)+1])    (((a)[n] << 8) | (a)[(n)+1])
528    
529  #define PUT2INC(a,n,d)  PUT2(a,n,d), a += 2  #elif defined COMPILE_PCRE16
530    
531    #define IMM2_SIZE 1
532    
533  /* When UTF-8 encoding is being used, a character is no longer just a single  #define PUT2(a,n,d)   \
534  byte. The macros for character handling generate simple sequences when used in     a[n] = d
535  byte-mode, and more complicated ones for UTF-8 characters. */  
536    #define GET2(a,n) \
537       a[n]
538    
539    #elif defined COMPILE_PCRE32
540    
541    #define IMM2_SIZE 1
542    
543    #define PUT2(a,n,d)   \
544       a[n] = d
545    
546    #define GET2(a,n) \
547       a[n]
548    
549    #else
550    #error Unsupported compiling mode
551    #endif /* COMPILE_PCRE[8|16|32] */
552    
553  #ifndef SUPPORT_UTF8  #define PUT2INC(a,n,d)  PUT2(a,n,d), a += IMM2_SIZE
554    
555    /* The maximum length of a MARK name is currently one data unit; it may be
556    changed in future to be a fixed number of bytes or to depend on LINK_SIZE. */
557    
558    #if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
559    #define MAX_MARK ((1u << 16) - 1)
560    #else
561    #define MAX_MARK ((1u << 8) - 1)
562    #endif
563    
564    /* When UTF encoding is being used, a character is no longer just a single
565    byte. The macros for character handling generate simple sequences when used in
566    character-mode, and more complicated ones for UTF characters. GETCHARLENTEST
567    and other macros are not used when UTF is not supported, so they are not
568    defined. To make sure they can never even appear when UTF support is omitted,
569    we don't even define them. */
570    
571    #ifndef SUPPORT_UTF
572    
573    /* #define MAX_VALUE_FOR_SINGLE_CHAR */
574    /* #define HAS_EXTRALEN(c) */
575    /* #define GET_EXTRALEN(c) */
576    /* #define NOT_FIRSTCHAR(c) */
577  #define GETCHAR(c, eptr) c = *eptr;  #define GETCHAR(c, eptr) c = *eptr;
578  #define GETCHARTEST(c, eptr) c = *eptr;  #define GETCHARTEST(c, eptr) c = *eptr;
579  #define GETCHARINC(c, eptr) c = *eptr++;  #define GETCHARINC(c, eptr) c = *eptr++;
580  #define GETCHARINCTEST(c, eptr) c = *eptr++;  #define GETCHARINCTEST(c, eptr) c = *eptr++;
581  #define GETCHARLEN(c, eptr, len) c = *eptr;  #define GETCHARLEN(c, eptr, len) c = *eptr;
582  #define BACKCHAR(eptr)  #define RAWUCHAR(eptr) (*(eptr))
583    #define RAWUCHARINC(eptr) (*(eptr)++)
584    #define RAWUCHARTEST(eptr) (*(eptr))
585    #define RAWUCHARINCTEST(eptr) (*(eptr)++)
586    /* #define GETCHARLENTEST(c, eptr, len) */
587    /* #define BACKCHAR(eptr) */
588    /* #define FORWARDCHAR(eptr) */
589    /* #define ACROSSCHAR(condition, eptr, action) */
590    
591  #else   /* SUPPORT_UTF8 */  #else   /* SUPPORT_UTF */
592    
593  /* Get the next UTF-8 character, not advancing the pointer. This is called when  /* Tests whether the code point needs extra characters to decode. */
 we know we are in UTF-8 mode. */  
594    
595  #define GETCHAR(c, eptr) \  #define HASUTF8EXTRALEN(c) ((c) >= 0xc0)
596    c = *eptr; \  
597    if (c >= 0xc0) \  /* Base macro to pick up the remaining bytes of a UTF-8 character, not
598    advancing the pointer. */
599    
600    #define GETUTF8(c, eptr) \
601        { \
602        if ((c & 0x20) == 0) \
603          c = ((c & 0x1f) << 6) | (eptr[1] & 0x3f); \
604        else if ((c & 0x10) == 0) \
605          c = ((c & 0x0f) << 12) | ((eptr[1] & 0x3f) << 6) | (eptr[2] & 0x3f); \
606        else if ((c & 0x08) == 0) \
607          c = ((c & 0x07) << 18) | ((eptr[1] & 0x3f) << 12) | \
608          ((eptr[2] & 0x3f) << 6) | (eptr[3] & 0x3f); \
609        else if ((c & 0x04) == 0) \
610          c = ((c & 0x03) << 24) | ((eptr[1] & 0x3f) << 18) | \
611              ((eptr[2] & 0x3f) << 12) | ((eptr[3] & 0x3f) << 6) | \
612              (eptr[4] & 0x3f); \
613        else \
614          c = ((c & 0x01) << 30) | ((eptr[1] & 0x3f) << 24) | \
615              ((eptr[2] & 0x3f) << 18) | ((eptr[3] & 0x3f) << 12) | \
616              ((eptr[4] & 0x3f) << 6) | (eptr[5] & 0x3f); \
617        }
618    
619    /* Base macro to pick up the remaining bytes of a UTF-8 character, advancing
620    the pointer. */
621    
622    #define GETUTF8INC(c, eptr) \
623      { \      { \
624      int gcii; \      if ((c & 0x20) == 0) \
625      int gcaa = _pcre_utf8_table4[c & 0x3f];  /* Number of additional bytes */ \        c = ((c & 0x1f) << 6) | (*eptr++ & 0x3f); \
626      int gcss = 6*gcaa; \      else if ((c & 0x10) == 0) \
627      c = (c & _pcre_utf8_table3[gcaa]) << gcss; \        { \
628      for (gcii = 1; gcii <= gcaa; gcii++) \        c = ((c & 0x0f) << 12) | ((*eptr & 0x3f) << 6) | (eptr[1] & 0x3f); \
629          eptr += 2; \
630          } \
631        else if ((c & 0x08) == 0) \
632          { \
633          c = ((c & 0x07) << 18) | ((*eptr & 0x3f) << 12) | \
634              ((eptr[1] & 0x3f) << 6) | (eptr[2] & 0x3f); \
635          eptr += 3; \
636          } \
637        else if ((c & 0x04) == 0) \
638        { \        { \
639        gcss -= 6; \        c = ((c & 0x03) << 24) | ((*eptr & 0x3f) << 18) | \
640        c |= (eptr[gcii] & 0x3f) << gcss; \            ((eptr[1] & 0x3f) << 12) | ((eptr[2] & 0x3f) << 6) | \
641              (eptr[3] & 0x3f); \
642          eptr += 4; \
643          } \
644        else \
645          { \
646          c = ((c & 0x01) << 30) | ((*eptr & 0x3f) << 24) | \
647              ((eptr[1] & 0x3f) << 18) | ((eptr[2] & 0x3f) << 12) | \
648              ((eptr[3] & 0x3f) << 6) | (eptr[4] & 0x3f); \
649          eptr += 5; \
650        } \        } \
651      }      }
652    
653    #if defined COMPILE_PCRE8
654    
655    /* These macros were originally written in the form of loops that used data
656    from the tables whose names start with PRIV(utf8_table). They were rewritten by
657    a user so as not to use loops, because in some environments this gives a
658    significant performance advantage, and it seems never to do any harm. */
659    
660    /* Tells the biggest code point which can be encoded as a single character. */
661    
662    #define MAX_VALUE_FOR_SINGLE_CHAR 127
663    
664    /* Tests whether the code point needs extra characters to decode. */
665    
666    #define HAS_EXTRALEN(c) ((c) >= 0xc0)
667    
668    /* Returns with the additional number of characters if IS_MULTICHAR(c) is TRUE.
669    Otherwise it has an undefined behaviour. */
670    
671    #define GET_EXTRALEN(c) (PRIV(utf8_table4)[(c) & 0x3f])
672    
673    /* Returns TRUE, if the given character is not the first character
674    of a UTF sequence. */
675    
676    #define NOT_FIRSTCHAR(c) (((c) & 0xc0) == 0x80)
677    
678    /* Get the next UTF-8 character, not advancing the pointer. This is called when
679    we know we are in UTF-8 mode. */
680    
681    #define GETCHAR(c, eptr) \
682      c = *eptr; \
683      if (c >= 0xc0) GETUTF8(c, eptr);
684    
685  /* Get the next UTF-8 character, testing for UTF-8 mode, and not advancing the  /* Get the next UTF-8 character, testing for UTF-8 mode, and not advancing the
686  pointer. */  pointer. */
687    
688  #define GETCHARTEST(c, eptr) \  #define GETCHARTEST(c, eptr) \
689    c = *eptr; \    c = *eptr; \
690    if (utf8 && c >= 0xc0) \    if (utf && c >= 0xc0) GETUTF8(c, eptr);
     { \  
     int gcii; \  
     int gcaa = _pcre_utf8_table4[c & 0x3f];  /* Number of additional bytes */ \  
     int gcss = 6*gcaa; \  
     c = (c & _pcre_utf8_table3[gcaa]) << gcss; \  
     for (gcii = 1; gcii <= gcaa; gcii++) \  
       { \  
       gcss -= 6; \  
       c |= (eptr[gcii] & 0x3f) << gcss; \  
       } \  
     }  
691    
692  /* Get the next UTF-8 character, advancing the pointer. This is called when we  /* Get the next UTF-8 character, advancing the pointer. This is called when we
693  know we are in UTF-8 mode. */  know we are in UTF-8 mode. */
694    
695  #define GETCHARINC(c, eptr) \  #define GETCHARINC(c, eptr) \
696    c = *eptr++; \    c = *eptr++; \
697    if (c >= 0xc0) \    if (c >= 0xc0) GETUTF8INC(c, eptr);
     { \  
     int gcaa = _pcre_utf8_table4[c & 0x3f];  /* Number of additional bytes */ \  
     int gcss = 6*gcaa; \  
     c = (c & _pcre_utf8_table3[gcaa]) << gcss; \  
     while (gcaa-- > 0) \  
       { \  
       gcss -= 6; \  
       c |= (*eptr++ & 0x3f) << gcss; \  
       } \  
     }  
698    
699  /* Get the next character, testing for UTF-8 mode, and advancing the pointer */  /* Get the next character, testing for UTF-8 mode, and advancing the pointer.
700    This is called when we don't know if we are in UTF-8 mode. */
701    
702  #define GETCHARINCTEST(c, eptr) \  #define GETCHARINCTEST(c, eptr) \
703    c = *eptr++; \    c = *eptr++; \
704    if (utf8 && c >= 0xc0) \    if (utf && c >= 0xc0) GETUTF8INC(c, eptr);
705    
706    /* Base macro to pick up the remaining bytes of a UTF-8 character, not
707    advancing the pointer, incrementing the length. */
708    
709    #define GETUTF8LEN(c, eptr, len) \
710      { \      { \
711      int gcaa = _pcre_utf8_table4[c & 0x3f];  /* Number of additional bytes */ \      if ((c & 0x20) == 0) \
712      int gcss = 6*gcaa; \        { \
713      c = (c & _pcre_utf8_table3[gcaa]) << gcss; \        c = ((c & 0x1f) << 6) | (eptr[1] & 0x3f); \
714      while (gcaa-- > 0) \        len++; \
715          } \
716        else if ((c & 0x10)  == 0) \
717        { \        { \
718        gcss -= 6; \        c = ((c & 0x0f) << 12) | ((eptr[1] & 0x3f) << 6) | (eptr[2] & 0x3f); \
719        c |= (*eptr++ & 0x3f) << gcss; \        len += 2; \
720          } \
721        else if ((c & 0x08)  == 0) \
722          {\
723          c = ((c & 0x07) << 18) | ((eptr[1] & 0x3f) << 12) | \
724              ((eptr[2] & 0x3f) << 6) | (eptr[3] & 0x3f); \
725          len += 3; \
726          } \
727        else if ((c & 0x04)  == 0) \
728          { \
729          c = ((c & 0x03) << 24) | ((eptr[1] & 0x3f) << 18) | \
730              ((eptr[2] & 0x3f) << 12) | ((eptr[3] & 0x3f) << 6) | \
731              (eptr[4] & 0x3f); \
732          len += 4; \
733          } \
734        else \
735          {\
736          c = ((c & 0x01) << 30) | ((eptr[1] & 0x3f) << 24) | \
737              ((eptr[2] & 0x3f) << 18) | ((eptr[3] & 0x3f) << 12) | \
738              ((eptr[4] & 0x3f) << 6) | (eptr[5] & 0x3f); \
739          len += 5; \
740        } \        } \
741      }      }
742    
# Line 396  if there are extra bytes. This is called Line 745  if there are extra bytes. This is called
745    
746  #define GETCHARLEN(c, eptr, len) \  #define GETCHARLEN(c, eptr, len) \
747    c = *eptr; \    c = *eptr; \
748    if (c >= 0xc0) \    if (c >= 0xc0) GETUTF8LEN(c, eptr, len);
749      { \  
750      int gcii; \  /* Get the next UTF-8 character, testing for UTF-8 mode, not advancing the
751      int gcaa = _pcre_utf8_table4[c & 0x3f];  /* Number of additional bytes */ \  pointer, incrementing length if there are extra bytes. This is called when we
752      int gcss = 6*gcaa; \  do not know if we are in UTF-8 mode. */
753      c = (c & _pcre_utf8_table3[gcaa]) << gcss; \  
754      for (gcii = 1; gcii <= gcaa; gcii++) \  #define GETCHARLENTEST(c, eptr, len) \
755        { \    c = *eptr; \
756        gcss -= 6; \    if (utf && c >= 0xc0) GETUTF8LEN(c, eptr, len);
757        c |= (eptr[gcii] & 0x3f) << gcss; \  
758        } \  /* Returns the next uchar, not advancing the pointer. This is called when
759      len += gcaa; \  we know we are in UTF mode. */
760      }  
761    #define RAWUCHAR(eptr) \
762      (*(eptr))
763    
764    /* Returns the next uchar, advancing the pointer. This is called when
765    we know we are in UTF mode. */
766    
767    #define RAWUCHARINC(eptr) \
768      (*(eptr)++)
769    
770    /* Returns the next uchar, testing for UTF mode, and not advancing the
771    pointer. */
772    
773    #define RAWUCHARTEST(eptr) \
774      (*(eptr))
775    
776    /* Returns the next uchar, testing for UTF mode, advancing the
777    pointer. */
778    
779    #define RAWUCHARINCTEST(eptr) \
780      (*(eptr)++)
781    
782  /* If the pointer is not at the start of a character, move it back until  /* If the pointer is not at the start of a character, move it back until
783  it is. Called only in UTF-8 mode. */  it is. This is called only in UTF-8 mode - we don't put a test within the macro
784    because almost all calls are already within a block of UTF-8 only code. */
785    
786  #define BACKCHAR(eptr) while((*eptr & 0xc0) == 0x80) eptr--;  #define BACKCHAR(eptr) while((*eptr & 0xc0) == 0x80) eptr--
787    
788  #endif  /* Same as above, just in the other direction. */
789    #define FORWARDCHAR(eptr) while((*eptr & 0xc0) == 0x80) eptr++
790    
791    /* Same as above, but it allows a fully customizable form. */
792    #define ACROSSCHAR(condition, eptr, action) \
793      while((condition) && ((eptr) & 0xc0) == 0x80) action
794    
795  /* In case there is no definition of offsetof() provided - though any proper  #elif defined COMPILE_PCRE16
 Standard C system should have one. */  
796    
797  #ifndef offsetof  /* Tells the biggest code point which can be encoded as a single character. */
798  #define offsetof(p_type,field) ((size_t)&(((p_type *)0)->field))  
799  #endif  #define MAX_VALUE_FOR_SINGLE_CHAR 65535
800    
801    /* Tests whether the code point needs extra characters to decode. */
802    
803    #define HAS_EXTRALEN(c) (((c) & 0xfc00) == 0xd800)
804    
805    /* Returns with the additional number of characters if IS_MULTICHAR(c) is TRUE.
806    Otherwise it has an undefined behaviour. */
807    
808    #define GET_EXTRALEN(c) 1
809    
810    /* Returns TRUE, if the given character is not the first character
811    of a UTF sequence. */
812    
813  /* These are the public options that can change during matching. */  #define NOT_FIRSTCHAR(c) (((c) & 0xfc00) == 0xdc00)
814    
815  #define PCRE_IMS (PCRE_CASELESS|PCRE_MULTILINE|PCRE_DOTALL)  /* Base macro to pick up the low surrogate of a UTF-16 character, not
816    advancing the pointer. */
817    
818  /* Private options flags start at the most significant end of the four bytes.  #define GETUTF16(c, eptr) \
819  The public options defined in pcre.h start at the least significant end. Make     { c = (((c & 0x3ff) << 10) | (eptr[1] & 0x3ff)) + 0x10000; }
 sure they don't overlap! The bits are getting a bit scarce now -- when we run  
 out, there is a dummy word in the structure that could be used for the private  
 bits. */  
820    
821  #define PCRE_NOPARTIAL     0x80000000  /* can't use partial with this regex */  /* Get the next UTF-16 character, not advancing the pointer. This is called when
822  #define PCRE_FIRSTSET      0x40000000  /* first_byte is set */  we know we are in UTF-16 mode. */
 #define PCRE_REQCHSET      0x20000000  /* req_byte is set */  
 #define PCRE_STARTLINE     0x10000000  /* start after \n for multiline */  
 #define PCRE_JCHANGED      0x08000000  /* j option changes within regex */  
823    
824  /* Options for the "extra" block produced by pcre_study(). */  #define GETCHAR(c, eptr) \
825      c = *eptr; \
826      if ((c & 0xfc00) == 0xd800) GETUTF16(c, eptr);
827    
828    /* Get the next UTF-16 character, testing for UTF-16 mode, and not advancing the
829    pointer. */
830    
831    #define GETCHARTEST(c, eptr) \
832      c = *eptr; \
833      if (utf && (c & 0xfc00) == 0xd800) GETUTF16(c, eptr);
834    
835    /* Base macro to pick up the low surrogate of a UTF-16 character, advancing
836    the pointer. */
837    
838    #define GETUTF16INC(c, eptr) \
839       { c = (((c & 0x3ff) << 10) | (*eptr++ & 0x3ff)) + 0x10000; }
840    
841    /* Get the next UTF-16 character, advancing the pointer. This is called when we
842    know we are in UTF-16 mode. */
843    
844    #define GETCHARINC(c, eptr) \
845      c = *eptr++; \
846      if ((c & 0xfc00) == 0xd800) GETUTF16INC(c, eptr);
847    
848    /* Get the next character, testing for UTF-16 mode, and advancing the pointer.
849    This is called when we don't know if we are in UTF-16 mode. */
850    
851    #define GETCHARINCTEST(c, eptr) \
852      c = *eptr++; \
853      if (utf && (c & 0xfc00) == 0xd800) GETUTF16INC(c, eptr);
854    
855    /* Base macro to pick up the low surrogate of a UTF-16 character, not
856    advancing the pointer, incrementing the length. */
857    
858    #define GETUTF16LEN(c, eptr, len) \
859       { c = (((c & 0x3ff) << 10) | (eptr[1] & 0x3ff)) + 0x10000; len++; }
860    
861    /* Get the next UTF-16 character, not advancing the pointer, incrementing
862    length if there is a low surrogate. This is called when we know we are in
863    UTF-16 mode. */
864    
865    #define GETCHARLEN(c, eptr, len) \
866      c = *eptr; \
867      if ((c & 0xfc00) == 0xd800) GETUTF16LEN(c, eptr, len);
868    
869    /* Get the next UTF-816character, testing for UTF-16 mode, not advancing the
870    pointer, incrementing length if there is a low surrogate. This is called when
871    we do not know if we are in UTF-16 mode. */
872    
873    #define GETCHARLENTEST(c, eptr, len) \
874      c = *eptr; \
875      if (utf && (c & 0xfc00) == 0xd800) GETUTF16LEN(c, eptr, len);
876    
877    /* Returns the next uchar, not advancing the pointer. This is called when
878    we know we are in UTF mode. */
879    
880    #define RAWUCHAR(eptr) \
881      (*(eptr))
882    
883    /* Returns the next uchar, advancing the pointer. This is called when
884    we know we are in UTF mode. */
885    
886    #define RAWUCHARINC(eptr) \
887      (*(eptr)++)
888    
889    /* Returns the next uchar, testing for UTF mode, and not advancing the
890    pointer. */
891    
892    #define RAWUCHARTEST(eptr) \
893      (*(eptr))
894    
895    /* Returns the next uchar, testing for UTF mode, advancing the
896    pointer. */
897    
898    #define RAWUCHARINCTEST(eptr) \
899      (*(eptr)++)
900    
901    /* If the pointer is not at the start of a character, move it back until
902    it is. This is called only in UTF-16 mode - we don't put a test within the
903    macro because almost all calls are already within a block of UTF-16 only
904    code. */
905    
906    #define BACKCHAR(eptr) if ((*eptr & 0xfc00) == 0xdc00) eptr--
907    
908    /* Same as above, just in the other direction. */
909    #define FORWARDCHAR(eptr) if ((*eptr & 0xfc00) == 0xdc00) eptr++
910    
911  #define PCRE_STUDY_MAPPED   0x01     /* a map of starting chars exists */  /* Same as above, but it allows a fully customizable form. */
912    #define ACROSSCHAR(condition, eptr, action) \
913      if ((condition) && ((eptr) & 0xfc00) == 0xdc00) action
914    
915    #elif defined COMPILE_PCRE32
916    
917    /* These are unnecessary for the 32-bit library */
918    #undef MAX_VALUE_FOR_SINGLE_CHAR
919    #undef HAS_EXTRALEN
920    #undef GET_EXTRALEN
921    #undef NOT_FIRSTCHAR
922    
923    #define UTF32_MASK (0x1ffffful)
924    
925    /* Get the next UTF-32 character, not advancing the pointer. This is called when
926    we know we are in UTF-32 mode. */
927    
928    #define GETCHAR(c, eptr) \
929      c = (*eptr) & UTF32_MASK;
930    
931    /* Get the next UTF-32 character, testing for UTF-32 mode, and not advancing the
932    pointer. */
933    
934    #define GETCHARTEST(c, eptr) \
935      c = *eptr; \
936      if (utf) c &= UTF32_MASK;
937    
938    /* Get the next UTF-32 character, advancing the pointer. This is called when we
939    know we are in UTF-32 mode. */
940    
941    #define GETCHARINC(c, eptr) \
942      c = (*eptr++) & UTF32_MASK;
943    
944    /* Get the next character, testing for UTF-32 mode, and advancing the pointer.
945    This is called when we don't know if we are in UTF-32 mode. */
946    
947    #define GETCHARINCTEST(c, eptr) \
948      c = *eptr++; \
949      if (utf) c &= UTF32_MASK;
950    
951    /* Get the next UTF-32 character, not advancing the pointer, not incrementing
952    length (since all UTF-32 is of length 1). This is called when we know we are in
953    UTF-32 mode. */
954    
955    #define GETCHARLEN(c, eptr, len) \
956      GETCHAR(c, eptr)
957    
958    /* Get the next UTF-32character, testing for UTF-32 mode, not advancing the
959    pointer, not incrementing the length (since all UTF-32 is of length 1).
960    This is called when we do not know if we are in UTF-32 mode. */
961    
962    #define GETCHARLENTEST(c, eptr, len) \
963      GETCHARTEST(c, eptr)
964    
965    /* Returns the next uchar, not advancing the pointer. This is called when
966    we know we are in UTF mode. */
967    
968    #define RAWUCHAR(eptr) \
969      (*(eptr) & UTF32_MASK)
970    
971    /* Returns the next uchar, advancing the pointer. This is called when
972    we know we are in UTF mode. */
973    
974    #define RAWUCHARINC(eptr) \
975      (*(eptr)++ & UTF32_MASK)
976    
977    /* Returns the next uchar, testing for UTF mode, and not advancing the
978    pointer. */
979    
980    #define RAWUCHARTEST(eptr) \
981      (utf ? (*(eptr) & UTF32_MASK) : *(eptr))
982    
983    /* Returns the next uchar, testing for UTF mode, advancing the
984    pointer. */
985    
986    #define RAWUCHARINCTEST(eptr) \
987      (utf ? (*(eptr)++ & UTF32_MASK) : *(eptr)++)
988    
989    /* If the pointer is not at the start of a character, move it back until
990    it is. This is called only in UTF-32 mode - we don't put a test within the
991    macro because almost all calls are already within a block of UTF-32 only
992    code. */
993    
994    #define BACKCHAR(eptr) do { } while (0)
995    
996    /* Same as above, just in the other direction. */
997    #define FORWARDCHAR(eptr) do { } while (0)
998    
999    /* Same as above, but it allows a fully customizable form. */
1000    #define ACROSSCHAR(condition, eptr, action) do { } while (0)
1001    
1002    #else
1003    #error Unsupported compiling mode
1004    #endif /* COMPILE_PCRE[8|16|32] */
1005    
1006    #endif  /* SUPPORT_UTF */
1007    
1008    /* Tests for Unicode horizontal and vertical whitespace characters must check a
1009    number of different values. Using a switch statement for this generates the
1010    fastest code (no loop, no memory access), and there are several places in the
1011    interpreter code where this happens. In order to ensure that all the case lists
1012    remain in step, we use macros so that there is only one place where the lists
1013    are defined.
1014    
1015    These values are also required as lists in pcre_compile.c when processing \h,
1016    \H, \v and \V in a character class. The lists are defined in pcre_tables.c, but
1017    macros that define the values are here so that all the definitions are
1018    together. The lists must be in ascending character order, terminated by
1019    NOTACHAR (which is 0xffffffff).
1020    
1021    Any changes should ensure that the various macros are kept in step with each
1022    other. NOTE: The values also appear in pcre_jit_compile.c. */
1023    
1024    /* ------ ASCII/Unicode environments ------ */
1025    
1026    #ifndef EBCDIC
1027    
1028    #define HSPACE_LIST \
1029      CHAR_HT, CHAR_SPACE, 0xa0, \
1030      0x1680, 0x180e, 0x2000, 0x2001, 0x2002, 0x2003, 0x2004, 0x2005, \
1031      0x2006, 0x2007, 0x2008, 0x2009, 0x200A, 0x202f, 0x205f, 0x3000, \
1032      NOTACHAR
1033    
1034    #define HSPACE_MULTIBYTE_CASES \
1035      case 0x1680:  /* OGHAM SPACE MARK */ \
1036      case 0x180e:  /* MONGOLIAN VOWEL SEPARATOR */ \
1037      case 0x2000:  /* EN QUAD */ \
1038      case 0x2001:  /* EM QUAD */ \
1039      case 0x2002:  /* EN SPACE */ \
1040      case 0x2003:  /* EM SPACE */ \
1041      case 0x2004:  /* THREE-PER-EM SPACE */ \
1042      case 0x2005:  /* FOUR-PER-EM SPACE */ \
1043      case 0x2006:  /* SIX-PER-EM SPACE */ \
1044      case 0x2007:  /* FIGURE SPACE */ \
1045      case 0x2008:  /* PUNCTUATION SPACE */ \
1046      case 0x2009:  /* THIN SPACE */ \
1047      case 0x200A:  /* HAIR SPACE */ \
1048      case 0x202f:  /* NARROW NO-BREAK SPACE */ \
1049      case 0x205f:  /* MEDIUM MATHEMATICAL SPACE */ \
1050      case 0x3000   /* IDEOGRAPHIC SPACE */
1051    
1052    #define HSPACE_BYTE_CASES \
1053      case CHAR_HT: \
1054      case CHAR_SPACE: \
1055      case 0xa0     /* NBSP */
1056    
1057    #define HSPACE_CASES \
1058      HSPACE_BYTE_CASES: \
1059      HSPACE_MULTIBYTE_CASES
1060    
1061    #define VSPACE_LIST \
1062      CHAR_LF, CHAR_VT, CHAR_FF, CHAR_CR, CHAR_NEL, 0x2028, 0x2029, NOTACHAR
1063    
1064    #define VSPACE_MULTIBYTE_CASES \
1065      case 0x2028:    /* LINE SEPARATOR */ \
1066      case 0x2029     /* PARAGRAPH SEPARATOR */
1067    
1068    #define VSPACE_BYTE_CASES \
1069      case CHAR_LF: \
1070      case CHAR_VT: \
1071      case CHAR_FF: \
1072      case CHAR_CR: \
1073      case CHAR_NEL
1074    
1075    #define VSPACE_CASES \
1076      VSPACE_BYTE_CASES: \
1077      VSPACE_MULTIBYTE_CASES
1078    
1079    /* ------ EBCDIC environments ------ */
1080    
1081    #else
1082    #define HSPACE_LIST CHAR_HT, CHAR_SPACE
1083    
1084    #define HSPACE_BYTE_CASES \
1085      case CHAR_HT: \
1086      case CHAR_SPACE
1087    
1088    #define HSPACE_CASES HSPACE_BYTE_CASES
1089    
1090    #ifdef EBCDIC_NL25
1091    #define VSPACE_LIST \
1092      CHAR_VT, CHAR_FF, CHAR_CR, CHAR_NEL, CHAR_LF, NOTACHAR
1093    #else
1094    #define VSPACE_LIST \
1095      CHAR_VT, CHAR_FF, CHAR_CR, CHAR_LF, CHAR_NEL, NOTACHAR
1096    #endif
1097    
1098    #define VSPACE_BYTE_CASES \
1099      case CHAR_LF: \
1100      case CHAR_VT: \
1101      case CHAR_FF: \
1102      case CHAR_CR: \
1103      case CHAR_NEL
1104    
1105    #define VSPACE_CASES VSPACE_BYTE_CASES
1106    #endif  /* EBCDIC */
1107    
1108    /* ------ End of whitespace macros ------ */
1109    
1110    
1111    
1112    /* Private flags containing information about the compiled regex. They used to
1113    live at the top end of the options word, but that got almost full, so now they
1114    are in a 16-bit flags word. From release 8.00, PCRE_NOPARTIAL is unused, as
1115    the restrictions on partial matching have been lifted. It remains for backwards
1116    compatibility. */
1117    
1118    #define PCRE_MODE8         0x0001  /* compiled in 8 bit mode */
1119    #define PCRE_MODE16        0x0002  /* compiled in 16 bit mode */
1120    #define PCRE_MODE32        0x0004  /* compiled in 32 bit mode */
1121    #define PCRE_FIRSTSET      0x0010  /* first_char is set */
1122    #define PCRE_FCH_CASELESS  0x0020  /* caseless first char */
1123    #define PCRE_REQCHSET      0x0040  /* req_byte is set */
1124    #define PCRE_RCH_CASELESS  0x0080  /* caseless requested char */
1125    #define PCRE_STARTLINE     0x0100  /* start after \n for multiline */
1126    #define PCRE_NOPARTIAL     0x0200  /* can't use partial with this regex */
1127    #define PCRE_JCHANGED      0x0400  /* j option used in regex */
1128    #define PCRE_HASCRORLF     0x0800  /* explicit \r or \n in pattern */
1129    #define PCRE_HASTHEN       0x1000  /* pattern contains (*THEN) */
1130    
1131    #if defined COMPILE_PCRE8
1132    #define PCRE_MODE          PCRE_MODE8
1133    #elif defined COMPILE_PCRE16
1134    #define PCRE_MODE          PCRE_MODE16
1135    #elif defined COMPILE_PCRE32
1136    #define PCRE_MODE          PCRE_MODE32
1137    #endif
1138    #define PCRE_MODE_MASK     (PCRE_MODE8 | PCRE_MODE16 | PCRE_MODE32)
1139    
1140    /* Flags for the "extra" block produced by pcre_study(). */
1141    
1142    #define PCRE_STUDY_MAPPED  0x0001  /* a map of starting chars exists */
1143    #define PCRE_STUDY_MINLEN  0x0002  /* a minimum length field exists */
1144    
1145  /* Masks for identifying the public options that are permitted at compile  /* Masks for identifying the public options that are permitted at compile
1146  time, run time, or study time, respectively. */  time, run time, or study time, respectively. */
1147    
1148  #define PCRE_NEWLINE_BITS (PCRE_NEWLINE_CR|PCRE_NEWLINE_LF|PCRE_NEWLINE_ANY)  #define PCRE_NEWLINE_BITS (PCRE_NEWLINE_CR|PCRE_NEWLINE_LF|PCRE_NEWLINE_ANY| \
1149                               PCRE_NEWLINE_ANYCRLF)
1150    
1151  #define PUBLIC_OPTIONS \  #define PUBLIC_COMPILE_OPTIONS \
1152    (PCRE_CASELESS|PCRE_EXTENDED|PCRE_ANCHORED|PCRE_MULTILINE| \    (PCRE_CASELESS|PCRE_EXTENDED|PCRE_ANCHORED|PCRE_MULTILINE| \
1153     PCRE_DOTALL|PCRE_DOLLAR_ENDONLY|PCRE_EXTRA|PCRE_UNGREEDY|PCRE_UTF8| \     PCRE_DOTALL|PCRE_DOLLAR_ENDONLY|PCRE_EXTRA|PCRE_UNGREEDY|PCRE_UTF8| \
1154     PCRE_NO_AUTO_CAPTURE|PCRE_NO_UTF8_CHECK|PCRE_AUTO_CALLOUT|PCRE_FIRSTLINE| \     PCRE_NO_AUTO_CAPTURE|PCRE_NO_UTF8_CHECK|PCRE_AUTO_CALLOUT|PCRE_FIRSTLINE| \
1155     PCRE_DUPNAMES|PCRE_NEWLINE_BITS)     PCRE_DUPNAMES|PCRE_NEWLINE_BITS|PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE| \
1156       PCRE_JAVASCRIPT_COMPAT|PCRE_UCP|PCRE_NO_START_OPTIMIZE)
1157    
1158  #define PUBLIC_EXEC_OPTIONS \  #define PUBLIC_EXEC_OPTIONS \
1159    (PCRE_ANCHORED|PCRE_NOTBOL|PCRE_NOTEOL|PCRE_NOTEMPTY|PCRE_NO_UTF8_CHECK| \    (PCRE_ANCHORED|PCRE_NOTBOL|PCRE_NOTEOL|PCRE_NOTEMPTY|PCRE_NOTEMPTY_ATSTART| \
1160     PCRE_PARTIAL|PCRE_NEWLINE_BITS)     PCRE_NO_UTF8_CHECK|PCRE_PARTIAL_HARD|PCRE_PARTIAL_SOFT|PCRE_NEWLINE_BITS| \
1161       PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE|PCRE_NO_START_OPTIMIZE)
1162    
1163  #define PUBLIC_DFA_EXEC_OPTIONS \  #define PUBLIC_DFA_EXEC_OPTIONS \
1164    (PCRE_ANCHORED|PCRE_NOTBOL|PCRE_NOTEOL|PCRE_NOTEMPTY|PCRE_NO_UTF8_CHECK| \    (PCRE_ANCHORED|PCRE_NOTBOL|PCRE_NOTEOL|PCRE_NOTEMPTY|PCRE_NOTEMPTY_ATSTART| \
1165     PCRE_PARTIAL|PCRE_DFA_SHORTEST|PCRE_DFA_RESTART|PCRE_NEWLINE_BITS)     PCRE_NO_UTF8_CHECK|PCRE_PARTIAL_HARD|PCRE_PARTIAL_SOFT|PCRE_DFA_SHORTEST| \
1166       PCRE_DFA_RESTART|PCRE_NEWLINE_BITS|PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE| \
1167  #define PUBLIC_STUDY_OPTIONS 0   /* None defined */     PCRE_NO_START_OPTIMIZE)
1168    
1169    #define PUBLIC_STUDY_OPTIONS \
1170       (PCRE_STUDY_JIT_COMPILE|PCRE_STUDY_JIT_PARTIAL_SOFT_COMPILE| \
1171        PCRE_STUDY_JIT_PARTIAL_HARD_COMPILE|PCRE_STUDY_EXTRA_NEEDED)
1172    
1173  /* Magic number to provide a small check against being handed junk. Also used  /* Magic number to provide a small check against being handed junk. */
 to detect whether a pattern was compiled on a host of different endianness. */  
1174    
1175  #define MAGIC_NUMBER  0x50435245UL   /* 'PCRE' */  #define MAGIC_NUMBER  0x50435245UL   /* 'PCRE' */
1176    
1177  /* Negative values for the firstchar and reqchar variables */  /* This variable is used to detect a loaded regular expression
1178    in different endianness. */
1179    
1180  #define REQ_UNSET (-2)  #define REVERSED_MAGIC_NUMBER  0x45524350UL   /* 'ERCP' */
 #define REQ_NONE  (-1)  
1181    
1182  /* The maximum remaining length of subject we are prepared to search for a  /* The maximum remaining length of subject we are prepared to search for a
1183  req_byte match. */  req_byte match. */
1184    
1185  #define REQ_BYTE_MAX 1000  #define REQ_BYTE_MAX 1000
1186    
1187  /* Flags added to firstbyte or reqbyte; a "non-literal" item is either a  /* Miscellaneous definitions. The #ifndef is to pacify compiler warnings in
1188  variable-length repeat, or a anything other than literal characters. */  environments where these macros are defined elsewhere. Unfortunately, there
1189    is no way to do the same for the typedef. */
 #define REQ_CASELESS 0x0100    /* indicates caselessness */  
 #define REQ_VARY     0x0200    /* reqbyte followed non-literal item */  
   
 /* Miscellaneous definitions */  
1190    
1191  typedef int BOOL;  typedef int BOOL;
1192    
1193    #ifndef FALSE
1194  #define FALSE   0  #define FALSE   0
1195  #define TRUE    1  #define TRUE    1
1196    #endif
1197    
1198    /* If PCRE is to support UTF-8 on EBCDIC platforms, we cannot use normal
1199    character constants like '*' because the compiler would emit their EBCDIC code,
1200    which is different from their ASCII/UTF-8 code. Instead we define macros for
1201    the characters so that they always use the ASCII/UTF-8 code when UTF-8 support
1202    is enabled. When UTF-8 support is not enabled, the definitions use character
1203    literals. Both character and string versions of each character are needed, and
1204    there are some longer strings as well.
1205    
1206    This means that, on EBCDIC platforms, the PCRE library can handle either
1207    EBCDIC, or UTF-8, but not both. To support both in the same compiled library
1208    would need different lookups depending on whether PCRE_UTF8 was set or not.
1209    This would make it impossible to use characters in switch/case statements,
1210    which would reduce performance. For a theoretical use (which nobody has asked
1211    for) in a minority area (EBCDIC platforms), this is not sensible. Any
1212    application that did need both could compile two versions of the library, using
1213    macros to give the functions distinct names. */
1214    
1215    #ifndef SUPPORT_UTF
1216    
1217    /* UTF-8 support is not enabled; use the platform-dependent character literals
1218    so that PCRE works in both ASCII and EBCDIC environments, but only in non-UTF
1219    mode. Newline characters are problematic in EBCDIC. Though it has CR and LF
1220    characters, a common practice has been to use its NL (0x15) character as the
1221    line terminator in C-like processing environments. However, sometimes the LF
1222    (0x25) character is used instead, according to this Unicode document:
1223    
1224    http://unicode.org/standard/reports/tr13/tr13-5.html
1225    
1226    PCRE defaults EBCDIC NL to 0x15, but has a build-time option to select 0x25
1227    instead. Whichever is *not* chosen is defined as NEL.
1228    
1229    In both ASCII and EBCDIC environments, CHAR_NL and CHAR_LF are synonyms for the
1230    same code point. */
1231    
1232    #ifdef EBCDIC
1233    
1234    #ifndef EBCDIC_NL25
1235    #define CHAR_NL                     '\x15'
1236    #define CHAR_NEL                    '\x25'
1237    #define STR_NL                      "\x15"
1238    #define STR_NEL                     "\x25"
1239    #else
1240    #define CHAR_NL                     '\x25'
1241    #define CHAR_NEL                    '\x15'
1242    #define STR_NL                      "\x25"
1243    #define STR_NEL                     "\x15"
1244    #endif
1245    
1246    #define CHAR_LF                     CHAR_NL
1247    #define STR_LF                      STR_NL
1248    
1249    #define CHAR_ESC                    '\047'
1250    #define CHAR_DEL                    '\007'
1251    #define STR_ESC                     "\047"
1252    #define STR_DEL                     "\007"
1253    
1254    #else  /* Not EBCDIC */
1255    
1256    /* In ASCII/Unicode, linefeed is '\n' and we equate this to NL for
1257    compatibility. NEL is the Unicode newline character; make sure it is
1258    a positive value. */
1259    
1260    #define CHAR_LF                     '\n'
1261    #define CHAR_NL                     CHAR_LF
1262    #define CHAR_NEL                    ((unsigned char)'\x85')
1263    #define CHAR_ESC                    '\033'
1264    #define CHAR_DEL                    '\177'
1265    
1266    #define STR_LF                      "\n"
1267    #define STR_NL                      STR_LF
1268    #define STR_NEL                     "\x85"
1269    #define STR_ESC                     "\033"
1270    #define STR_DEL                     "\177"
1271    
1272    #endif  /* EBCDIC */
1273    
1274    /* The remaining definitions work in both environments. */
1275    
1276    #define CHAR_HT                     '\t'
1277    #define CHAR_VT                     '\v'
1278    #define CHAR_FF                     '\f'
1279    #define CHAR_CR                     '\r'
1280    #define CHAR_BS                     '\b'
1281    #define CHAR_BEL                    '\a'
1282    
1283    #define CHAR_SPACE                  ' '
1284    #define CHAR_EXCLAMATION_MARK       '!'
1285    #define CHAR_QUOTATION_MARK         '"'
1286    #define CHAR_NUMBER_SIGN            '#'
1287    #define CHAR_DOLLAR_SIGN            '$'
1288    #define CHAR_PERCENT_SIGN           '%'
1289    #define CHAR_AMPERSAND              '&'
1290    #define CHAR_APOSTROPHE             '\''
1291    #define CHAR_LEFT_PARENTHESIS       '('
1292    #define CHAR_RIGHT_PARENTHESIS      ')'
1293    #define CHAR_ASTERISK               '*'
1294    #define CHAR_PLUS                   '+'
1295    #define CHAR_COMMA                  ','
1296    #define CHAR_MINUS                  '-'
1297    #define CHAR_DOT                    '.'
1298    #define CHAR_SLASH                  '/'
1299    #define CHAR_0                      '0'
1300    #define CHAR_1                      '1'
1301    #define CHAR_2                      '2'
1302    #define CHAR_3                      '3'
1303    #define CHAR_4                      '4'
1304    #define CHAR_5                      '5'
1305    #define CHAR_6                      '6'
1306    #define CHAR_7                      '7'
1307    #define CHAR_8                      '8'
1308    #define CHAR_9                      '9'
1309    #define CHAR_COLON                  ':'
1310    #define CHAR_SEMICOLON              ';'
1311    #define CHAR_LESS_THAN_SIGN         '<'
1312    #define CHAR_EQUALS_SIGN            '='
1313    #define CHAR_GREATER_THAN_SIGN      '>'
1314    #define CHAR_QUESTION_MARK          '?'
1315    #define CHAR_COMMERCIAL_AT          '@'
1316    #define CHAR_A                      'A'
1317    #define CHAR_B                      'B'
1318    #define CHAR_C                      'C'
1319    #define CHAR_D                      'D'
1320    #define CHAR_E                      'E'
1321    #define CHAR_F                      'F'
1322    #define CHAR_G                      'G'
1323    #define CHAR_H                      'H'
1324    #define CHAR_I                      'I'
1325    #define CHAR_J                      'J'
1326    #define CHAR_K                      'K'
1327    #define CHAR_L                      'L'
1328    #define CHAR_M                      'M'
1329    #define CHAR_N                      'N'
1330    #define CHAR_O                      'O'
1331    #define CHAR_P                      'P'
1332    #define CHAR_Q                      'Q'
1333    #define CHAR_R                      'R'
1334    #define CHAR_S                      'S'
1335    #define CHAR_T                      'T'
1336    #define CHAR_U                      'U'
1337    #define CHAR_V                      'V'
1338    #define CHAR_W                      'W'
1339    #define CHAR_X                      'X'
1340    #define CHAR_Y                      'Y'
1341    #define CHAR_Z                      'Z'
1342    #define CHAR_LEFT_SQUARE_BRACKET    '['
1343    #define CHAR_BACKSLASH              '\\'
1344    #define CHAR_RIGHT_SQUARE_BRACKET   ']'
1345    #define CHAR_CIRCUMFLEX_ACCENT      '^'
1346    #define CHAR_UNDERSCORE             '_'
1347    #define CHAR_GRAVE_ACCENT           '`'
1348    #define CHAR_a                      'a'
1349    #define CHAR_b                      'b'
1350    #define CHAR_c                      'c'
1351    #define CHAR_d                      'd'
1352    #define CHAR_e                      'e'
1353    #define CHAR_f                      'f'
1354    #define CHAR_g                      'g'
1355    #define CHAR_h                      'h'
1356    #define CHAR_i                      'i'
1357    #define CHAR_j                      'j'
1358    #define CHAR_k                      'k'
1359    #define CHAR_l                      'l'
1360    #define CHAR_m                      'm'
1361    #define CHAR_n                      'n'
1362    #define CHAR_o                      'o'
1363    #define CHAR_p                      'p'
1364    #define CHAR_q                      'q'
1365    #define CHAR_r                      'r'
1366    #define CHAR_s                      's'
1367    #define CHAR_t                      't'
1368    #define CHAR_u                      'u'
1369    #define CHAR_v                      'v'
1370    #define CHAR_w                      'w'
1371    #define CHAR_x                      'x'
1372    #define CHAR_y                      'y'
1373    #define CHAR_z                      'z'
1374    #define CHAR_LEFT_CURLY_BRACKET     '{'
1375    #define CHAR_VERTICAL_LINE          '|'
1376    #define CHAR_RIGHT_CURLY_BRACKET    '}'
1377    #define CHAR_TILDE                  '~'
1378    
1379    #define STR_HT                      "\t"
1380    #define STR_VT                      "\v"
1381    #define STR_FF                      "\f"
1382    #define STR_CR                      "\r"
1383    #define STR_BS                      "\b"
1384    #define STR_BEL                     "\a"
1385    
1386    #define STR_SPACE                   " "
1387    #define STR_EXCLAMATION_MARK        "!"
1388    #define STR_QUOTATION_MARK          "\""
1389    #define STR_NUMBER_SIGN             "#"
1390    #define STR_DOLLAR_SIGN             "$"
1391    #define STR_PERCENT_SIGN            "%"
1392    #define STR_AMPERSAND               "&"
1393    #define STR_APOSTROPHE              "'"
1394    #define STR_LEFT_PARENTHESIS        "("
1395    #define STR_RIGHT_PARENTHESIS       ")"
1396    #define STR_ASTERISK                "*"
1397    #define STR_PLUS                    "+"
1398    #define STR_COMMA                   ","
1399    #define STR_MINUS                   "-"
1400    #define STR_DOT                     "."
1401    #define STR_SLASH                   "/"
1402    #define STR_0                       "0"
1403    #define STR_1                       "1"
1404    #define STR_2                       "2"
1405    #define STR_3                       "3"
1406    #define STR_4                       "4"
1407    #define STR_5                       "5"
1408    #define STR_6                       "6"
1409    #define STR_7                       "7"
1410    #define STR_8                       "8"
1411    #define STR_9                       "9"
1412    #define STR_COLON                   ":"
1413    #define STR_SEMICOLON               ";"
1414    #define STR_LESS_THAN_SIGN          "<"
1415    #define STR_EQUALS_SIGN             "="
1416    #define STR_GREATER_THAN_SIGN       ">"
1417    #define STR_QUESTION_MARK           "?"
1418    #define STR_COMMERCIAL_AT           "@"
1419    #define STR_A                       "A"
1420    #define STR_B                       "B"
1421    #define STR_C                       "C"
1422    #define STR_D                       "D"
1423    #define STR_E                       "E"
1424    #define STR_F                       "F"
1425    #define STR_G                       "G"
1426    #define STR_H                       "H"
1427    #define STR_I                       "I"
1428    #define STR_J                       "J"
1429    #define STR_K                       "K"
1430    #define STR_L                       "L"
1431    #define STR_M                       "M"
1432    #define STR_N                       "N"
1433    #define STR_O                       "O"
1434    #define STR_P                       "P"
1435    #define STR_Q                       "Q"
1436    #define STR_R                       "R"
1437    #define STR_S                       "S"
1438    #define STR_T                       "T"
1439    #define STR_U                       "U"
1440    #define STR_V                       "V"
1441    #define STR_W                       "W"
1442    #define STR_X                       "X"
1443    #define STR_Y                       "Y"
1444    #define STR_Z                       "Z"
1445    #define STR_LEFT_SQUARE_BRACKET     "["
1446    #define STR_BACKSLASH               "\\"
1447    #define STR_RIGHT_SQUARE_BRACKET    "]"
1448    #define STR_CIRCUMFLEX_ACCENT       "^"
1449    #define STR_UNDERSCORE              "_"
1450    #define STR_GRAVE_ACCENT            "`"
1451    #define STR_a                       "a"
1452    #define STR_b                       "b"
1453    #define STR_c                       "c"
1454    #define STR_d                       "d"
1455    #define STR_e                       "e"
1456    #define STR_f                       "f"
1457    #define STR_g                       "g"
1458    #define STR_h                       "h"
1459    #define STR_i                       "i"
1460    #define STR_j                       "j"
1461    #define STR_k                       "k"
1462    #define STR_l                       "l"
1463    #define STR_m                       "m"
1464    #define STR_n                       "n"
1465    #define STR_o                       "o"
1466    #define STR_p                       "p"
1467    #define STR_q                       "q"
1468    #define STR_r                       "r"
1469    #define STR_s                       "s"
1470    #define STR_t                       "t"
1471    #define STR_u                       "u"
1472    #define STR_v                       "v"
1473    #define STR_w                       "w"
1474    #define STR_x                       "x"
1475    #define STR_y                       "y"
1476    #define STR_z                       "z"
1477    #define STR_LEFT_CURLY_BRACKET      "{"
1478    #define STR_VERTICAL_LINE           "|"
1479    #define STR_RIGHT_CURLY_BRACKET     "}"
1480    #define STR_TILDE                   "~"
1481    
1482    #define STRING_ACCEPT0              "ACCEPT\0"
1483    #define STRING_COMMIT0              "COMMIT\0"
1484    #define STRING_F0                   "F\0"
1485    #define STRING_FAIL0                "FAIL\0"
1486    #define STRING_MARK0                "MARK\0"
1487    #define STRING_PRUNE0               "PRUNE\0"
1488    #define STRING_SKIP0                "SKIP\0"
1489    #define STRING_THEN                 "THEN"
1490    
1491    #define STRING_alpha0               "alpha\0"
1492    #define STRING_lower0               "lower\0"
1493    #define STRING_upper0               "upper\0"
1494    #define STRING_alnum0               "alnum\0"
1495    #define STRING_ascii0               "ascii\0"
1496    #define STRING_blank0               "blank\0"
1497    #define STRING_cntrl0               "cntrl\0"
1498    #define STRING_digit0               "digit\0"
1499    #define STRING_graph0               "graph\0"
1500    #define STRING_print0               "print\0"
1501    #define STRING_punct0               "punct\0"
1502    #define STRING_space0               "space\0"
1503    #define STRING_word0                "word\0"
1504    #define STRING_xdigit               "xdigit"
1505    
1506    #define STRING_DEFINE               "DEFINE"
1507    
1508    #define STRING_CR_RIGHTPAR             "CR)"
1509    #define STRING_LF_RIGHTPAR             "LF)"
1510    #define STRING_CRLF_RIGHTPAR           "CRLF)"
1511    #define STRING_ANY_RIGHTPAR            "ANY)"
1512    #define STRING_ANYCRLF_RIGHTPAR        "ANYCRLF)"
1513    #define STRING_BSR_ANYCRLF_RIGHTPAR    "BSR_ANYCRLF)"
1514    #define STRING_BSR_UNICODE_RIGHTPAR    "BSR_UNICODE)"
1515    #ifdef COMPILE_PCRE8
1516    #define STRING_UTF_RIGHTPAR            "UTF8)"
1517    #endif
1518    #ifdef COMPILE_PCRE16
1519    #define STRING_UTF_RIGHTPAR            "UTF16)"
1520    #endif
1521    #ifdef COMPILE_PCRE32
1522    #define STRING_UTF_RIGHTPAR            "UTF32)"
1523    #endif
1524    #define STRING_UCP_RIGHTPAR            "UCP)"
1525    #define STRING_NO_START_OPT_RIGHTPAR   "NO_START_OPT)"
1526    
1527    #else  /* SUPPORT_UTF */
1528    
1529    /* UTF-8 support is enabled; always use UTF-8 (=ASCII) character codes. This
1530    works in both modes non-EBCDIC platforms, and on EBCDIC platforms in UTF-8 mode
1531    only. */
1532    
1533    #define CHAR_HT                     '\011'
1534    #define CHAR_VT                     '\013'
1535    #define CHAR_FF                     '\014'
1536    #define CHAR_CR                     '\015'
1537    #define CHAR_LF                     '\012'
1538    #define CHAR_NL                     CHAR_LF
1539    #define CHAR_NEL                    ((unsigned char)'\x85')
1540    #define CHAR_BS                     '\010'
1541    #define CHAR_BEL                    '\007'
1542    #define CHAR_ESC                    '\033'
1543    #define CHAR_DEL                    '\177'
1544    
1545    #define CHAR_SPACE                  '\040'
1546    #define CHAR_EXCLAMATION_MARK       '\041'
1547    #define CHAR_QUOTATION_MARK         '\042'
1548    #define CHAR_NUMBER_SIGN            '\043'
1549    #define CHAR_DOLLAR_SIGN            '\044'
1550    #define CHAR_PERCENT_SIGN           '\045'
1551    #define CHAR_AMPERSAND              '\046'
1552    #define CHAR_APOSTROPHE             '\047'
1553    #define CHAR_LEFT_PARENTHESIS       '\050'
1554    #define CHAR_RIGHT_PARENTHESIS      '\051'
1555    #define CHAR_ASTERISK               '\052'
1556    #define CHAR_PLUS                   '\053'
1557    #define CHAR_COMMA                  '\054'
1558    #define CHAR_MINUS                  '\055'
1559    #define CHAR_DOT                    '\056'
1560    #define CHAR_SLASH                  '\057'
1561    #define CHAR_0                      '\060'
1562    #define CHAR_1                      '\061'
1563    #define CHAR_2                      '\062'
1564    #define CHAR_3                      '\063'
1565    #define CHAR_4                      '\064'
1566    #define CHAR_5                      '\065'
1567    #define CHAR_6                      '\066'
1568    #define CHAR_7                      '\067'
1569    #define CHAR_8                      '\070'
1570    #define CHAR_9                      '\071'
1571    #define CHAR_COLON                  '\072'
1572    #define CHAR_SEMICOLON              '\073'
1573    #define CHAR_LESS_THAN_SIGN         '\074'
1574    #define CHAR_EQUALS_SIGN            '\075'
1575    #define CHAR_GREATER_THAN_SIGN      '\076'
1576    #define CHAR_QUESTION_MARK          '\077'
1577    #define CHAR_COMMERCIAL_AT          '\100'
1578    #define CHAR_A                      '\101'
1579    #define CHAR_B                      '\102'
1580    #define CHAR_C                      '\103'
1581    #define CHAR_D                      '\104'
1582    #define CHAR_E                      '\105'
1583    #define CHAR_F                      '\106'
1584    #define CHAR_G                      '\107'
1585    #define CHAR_H                      '\110'
1586    #define CHAR_I                      '\111'
1587    #define CHAR_J                      '\112'
1588    #define CHAR_K                      '\113'
1589    #define CHAR_L                      '\114'
1590    #define CHAR_M                      '\115'
1591    #define CHAR_N                      '\116'
1592    #define CHAR_O                      '\117'
1593    #define CHAR_P                      '\120'
1594    #define CHAR_Q                      '\121'
1595    #define CHAR_R                      '\122'
1596    #define CHAR_S                      '\123'
1597    #define CHAR_T                      '\124'
1598    #define CHAR_U                      '\125'
1599    #define CHAR_V                      '\126'
1600    #define CHAR_W                      '\127'
1601    #define CHAR_X                      '\130'
1602    #define CHAR_Y                      '\131'
1603    #define CHAR_Z                      '\132'
1604    #define CHAR_LEFT_SQUARE_BRACKET    '\133'
1605    #define CHAR_BACKSLASH              '\134'
1606    #define CHAR_RIGHT_SQUARE_BRACKET   '\135'
1607    #define CHAR_CIRCUMFLEX_ACCENT      '\136'
1608    #define CHAR_UNDERSCORE             '\137'
1609    #define CHAR_GRAVE_ACCENT           '\140'
1610    #define CHAR_a                      '\141'
1611    #define CHAR_b                      '\142'
1612    #define CHAR_c                      '\143'
1613    #define CHAR_d                      '\144'
1614    #define CHAR_e                      '\145'
1615    #define CHAR_f                      '\146'
1616    #define CHAR_g                      '\147'
1617    #define CHAR_h                      '\150'
1618    #define CHAR_i                      '\151'
1619    #define CHAR_j                      '\152'
1620    #define CHAR_k                      '\153'
1621    #define CHAR_l                      '\154'
1622    #define CHAR_m                      '\155'
1623    #define CHAR_n                      '\156'
1624    #define CHAR_o                      '\157'
1625    #define CHAR_p                      '\160'
1626    #define CHAR_q                      '\161'
1627    #define CHAR_r                      '\162'
1628    #define CHAR_s                      '\163'
1629    #define CHAR_t                      '\164'
1630    #define CHAR_u                      '\165'
1631    #define CHAR_v                      '\166'
1632    #define CHAR_w                      '\167'
1633    #define CHAR_x                      '\170'
1634    #define CHAR_y                      '\171'
1635    #define CHAR_z                      '\172'
1636    #define CHAR_LEFT_CURLY_BRACKET     '\173'
1637    #define CHAR_VERTICAL_LINE          '\174'
1638    #define CHAR_RIGHT_CURLY_BRACKET    '\175'
1639    #define CHAR_TILDE                  '\176'
1640    
1641    #define STR_HT                      "\011"
1642    #define STR_VT                      "\013"
1643    #define STR_FF                      "\014"
1644    #define STR_CR                      "\015"
1645    #define STR_NL                      "\012"
1646    #define STR_BS                      "\010"
1647    #define STR_BEL                     "\007"
1648    #define STR_ESC                     "\033"
1649    #define STR_DEL                     "\177"
1650    
1651    #define STR_SPACE                   "\040"
1652    #define STR_EXCLAMATION_MARK        "\041"
1653    #define STR_QUOTATION_MARK          "\042"
1654    #define STR_NUMBER_SIGN             "\043"
1655    #define STR_DOLLAR_SIGN             "\044"
1656    #define STR_PERCENT_SIGN            "\045"
1657    #define STR_AMPERSAND               "\046"
1658    #define STR_APOSTROPHE              "\047"
1659    #define STR_LEFT_PARENTHESIS        "\050"
1660    #define STR_RIGHT_PARENTHESIS       "\051"
1661    #define STR_ASTERISK                "\052"
1662    #define STR_PLUS                    "\053"
1663    #define STR_COMMA                   "\054"
1664    #define STR_MINUS                   "\055"
1665    #define STR_DOT                     "\056"
1666    #define STR_SLASH                   "\057"
1667    #define STR_0                       "\060"
1668    #define STR_1                       "\061"
1669    #define STR_2                       "\062"
1670    #define STR_3                       "\063"
1671    #define STR_4                       "\064"
1672    #define STR_5                       "\065"
1673    #define STR_6                       "\066"
1674    #define STR_7                       "\067"
1675    #define STR_8                       "\070"
1676    #define STR_9                       "\071"
1677    #define STR_COLON                   "\072"
1678    #define STR_SEMICOLON               "\073"
1679    #define STR_LESS_THAN_SIGN          "\074"
1680    #define STR_EQUALS_SIGN             "\075"
1681    #define STR_GREATER_THAN_SIGN       "\076"
1682    #define STR_QUESTION_MARK           "\077"
1683    #define STR_COMMERCIAL_AT           "\100"
1684    #define STR_A                       "\101"
1685    #define STR_B                       "\102"
1686    #define STR_C                       "\103"
1687    #define STR_D                       "\104"
1688    #define STR_E                       "\105"
1689    #define STR_F                       "\106"
1690    #define STR_G                       "\107"
1691    #define STR_H                       "\110"
1692    #define STR_I                       "\111"
1693    #define STR_J                       "\112"
1694    #define STR_K                       "\113"
1695    #define STR_L                       "\114"
1696    #define STR_M                       "\115"
1697    #define STR_N                       "\116"
1698    #define STR_O                       "\117"
1699    #define STR_P                       "\120"
1700    #define STR_Q                       "\121"
1701    #define STR_R                       "\122"
1702    #define STR_S                       "\123"
1703    #define STR_T                       "\124"
1704    #define STR_U                       "\125"
1705    #define STR_V                       "\126"
1706    #define STR_W                       "\127"
1707    #define STR_X                       "\130"
1708    #define STR_Y                       "\131"
1709    #define STR_Z                       "\132"
1710    #define STR_LEFT_SQUARE_BRACKET     "\133"
1711    #define STR_BACKSLASH               "\134"
1712    #define STR_RIGHT_SQUARE_BRACKET    "\135"
1713    #define STR_CIRCUMFLEX_ACCENT       "\136"
1714    #define STR_UNDERSCORE              "\137"
1715    #define STR_GRAVE_ACCENT            "\140"
1716    #define STR_a                       "\141"
1717    #define STR_b                       "\142"
1718    #define STR_c                       "\143"
1719    #define STR_d                       "\144"
1720    #define STR_e                       "\145"
1721    #define STR_f                       "\146"
1722    #define STR_g                       "\147"
1723    #define STR_h                       "\150"
1724    #define STR_i                       "\151"
1725    #define STR_j                       "\152"
1726    #define STR_k                       "\153"
1727    #define STR_l                       "\154"
1728    #define STR_m                       "\155"
1729    #define STR_n                       "\156"
1730    #define STR_o                       "\157"
1731    #define STR_p                       "\160"
1732    #define STR_q                       "\161"
1733    #define STR_r                       "\162"
1734    #define STR_s                       "\163"
1735    #define STR_t                       "\164"
1736    #define STR_u                       "\165"
1737    #define STR_v                       "\166"
1738    #define STR_w                       "\167"
1739    #define STR_x                       "\170"
1740    #define STR_y                       "\171"
1741    #define STR_z                       "\172"
1742    #define STR_LEFT_CURLY_BRACKET      "\173"
1743    #define STR_VERTICAL_LINE           "\174"
1744    #define STR_RIGHT_CURLY_BRACKET     "\175"
1745    #define STR_TILDE                   "\176"
1746    
1747    #define STRING_ACCEPT0              STR_A STR_C STR_C STR_E STR_P STR_T "\0"
1748    #define STRING_COMMIT0              STR_C STR_O STR_M STR_M STR_I STR_T "\0"
1749    #define STRING_F0                   STR_F "\0"
1750    #define STRING_FAIL0                STR_F STR_A STR_I STR_L "\0"
1751    #define STRING_MARK0                STR_M STR_A STR_R STR_K "\0"
1752    #define STRING_PRUNE0               STR_P STR_R STR_U STR_N STR_E "\0"
1753    #define STRING_SKIP0                STR_S STR_K STR_I STR_P "\0"
1754    #define STRING_THEN                 STR_T STR_H STR_E STR_N
1755    
1756    #define STRING_alpha0               STR_a STR_l STR_p STR_h STR_a "\0"
1757    #define STRING_lower0               STR_l STR_o STR_w STR_e STR_r "\0"
1758    #define STRING_upper0               STR_u STR_p STR_p STR_e STR_r "\0"
1759    #define STRING_alnum0               STR_a STR_l STR_n STR_u STR_m "\0"
1760    #define STRING_ascii0               STR_a STR_s STR_c STR_i STR_i "\0"
1761    #define STRING_blank0               STR_b STR_l STR_a STR_n STR_k "\0"
1762    #define STRING_cntrl0               STR_c STR_n STR_t STR_r STR_l "\0"
1763    #define STRING_digit0               STR_d STR_i STR_g STR_i STR_t "\0"
1764    #define STRING_graph0               STR_g STR_r STR_a STR_p STR_h "\0"
1765    #define STRING_print0               STR_p STR_r STR_i STR_n STR_t "\0"
1766    #define STRING_punct0               STR_p STR_u STR_n STR_c STR_t "\0"
1767    #define STRING_space0               STR_s STR_p STR_a STR_c STR_e "\0"
1768    #define STRING_word0                STR_w STR_o STR_r STR_d       "\0"
1769    #define STRING_xdigit               STR_x STR_d STR_i STR_g STR_i STR_t
1770    
1771    #define STRING_DEFINE               STR_D STR_E STR_F STR_I STR_N STR_E
1772    
1773    #define STRING_CR_RIGHTPAR             STR_C STR_R STR_RIGHT_PARENTHESIS
1774    #define STRING_LF_RIGHTPAR             STR_L STR_F STR_RIGHT_PARENTHESIS
1775    #define STRING_CRLF_RIGHTPAR           STR_C STR_R STR_L STR_F STR_RIGHT_PARENTHESIS
1776    #define STRING_ANY_RIGHTPAR            STR_A STR_N STR_Y STR_RIGHT_PARENTHESIS
1777    #define STRING_ANYCRLF_RIGHTPAR        STR_A STR_N STR_Y STR_C STR_R STR_L STR_F STR_RIGHT_PARENTHESIS
1778    #define STRING_BSR_ANYCRLF_RIGHTPAR    STR_B STR_S STR_R STR_UNDERSCORE STR_A STR_N STR_Y STR_C STR_R STR_L STR_F STR_RIGHT_PARENTHESIS
1779    #define STRING_BSR_UNICODE_RIGHTPAR    STR_B STR_S STR_R STR_UNDERSCORE STR_U STR_N STR_I STR_C STR_O STR_D STR_E STR_RIGHT_PARENTHESIS
1780    #ifdef COMPILE_PCRE8
1781    #define STRING_UTF_RIGHTPAR            STR_U STR_T STR_F STR_8 STR_RIGHT_PARENTHESIS
1782    #endif
1783    #ifdef COMPILE_PCRE16
1784    #define STRING_UTF_RIGHTPAR            STR_U STR_T STR_F STR_1 STR_6 STR_RIGHT_PARENTHESIS
1785    #endif
1786    #ifdef COMPILE_PCRE32
1787    #define STRING_UTF_RIGHTPAR            STR_U STR_T STR_F STR_3 STR_2 STR_RIGHT_PARENTHESIS
1788    #endif
1789    #define STRING_UCP_RIGHTPAR            STR_U STR_C STR_P STR_RIGHT_PARENTHESIS
1790    #define STRING_NO_START_OPT_RIGHTPAR   STR_N STR_O STR_UNDERSCORE STR_S STR_T STR_A STR_R STR_T STR_UNDERSCORE STR_O STR_P STR_T STR_RIGHT_PARENTHESIS
1791    
1792    #endif  /* SUPPORT_UTF */
1793    
1794  /* Escape items that are just an encoding of a particular data value. */  /* Escape items that are just an encoding of a particular data value. */
1795    
1796  #ifndef ESC_e  #ifndef ESC_e
1797  #define ESC_e 27  #define ESC_e CHAR_ESC
1798  #endif  #endif
1799    
1800  #ifndef ESC_f  #ifndef ESC_f
1801  #define ESC_f '\f'  #define ESC_f CHAR_FF
1802  #endif  #endif
1803    
1804  #ifndef ESC_n  #ifndef ESC_n
1805  #define ESC_n '\n'  #define ESC_n CHAR_LF
1806  #endif  #endif
1807    
1808  #ifndef ESC_r  #ifndef ESC_r
1809  #define ESC_r '\r'  #define ESC_r CHAR_CR
1810  #endif  #endif
1811    
1812  /* We can't officially use ESC_t because it is a POSIX reserved identifier  /* We can't officially use ESC_t because it is a POSIX reserved identifier
1813  (presumably because of all the others like size_t). */  (presumably because of all the others like size_t). */
1814    
1815  #ifndef ESC_tee  #ifndef ESC_tee
1816  #define ESC_tee '\t'  #define ESC_tee CHAR_HT
1817  #endif  #endif
1818    
1819  /* Codes for different types of Unicode property */  /* Codes for different types of Unicode property */
1820    
1821  #define PT_ANY        0    /* Any property - matches all chars */  #define PT_ANY        0    /* Any property - matches all chars */
1822  #define PT_LAMP       1    /* L& - the union of Lu, Ll, Lt */  #define PT_LAMP       1    /* L& - the union of Lu, Ll, Lt */
1823  #define PT_GC         2    /* General characteristic (e.g. L) */  #define PT_GC         2    /* Specified general characteristic (e.g. L) */
1824  #define PT_PC         3    /* Particular characteristic (e.g. Lu) */  #define PT_PC         3    /* Specified particular characteristic (e.g. Lu) */
1825  #define PT_SC         4    /* Script (e.g. Han) */  #define PT_SC         4    /* Script (e.g. Han) */
1826    #define PT_ALNUM      5    /* Alphanumeric - the union of L and N */
1827    #define PT_SPACE      6    /* Perl space - Z plus 9,10,12,13 */
1828    #define PT_PXSPACE    7    /* POSIX space - Z plus 9,10,11,12,13 */
1829    #define PT_WORD       8    /* Word - L plus N plus underscore */
1830    #define PT_CLIST      9    /* Pseudo-property: match character list */
1831    
1832  /* Flag bits and data types for the extended class (OP_XCLASS) for classes that  /* Flag bits and data types for the extended class (OP_XCLASS) for classes that
1833  contain UTF-8 characters with values greater than 255. */  contain characters with values greater than 255. */
1834    
1835  #define XCL_NOT    0x01    /* Flag: this is a negative class */  #define XCL_NOT    0x01    /* Flag: this is a negative class */
1836  #define XCL_MAP    0x02    /* Flag: a 32-byte map is present */  #define XCL_MAP    0x02    /* Flag: a 32-byte map is present */
# Line 542  contain UTF-8 characters with values gre Line 1843  contain UTF-8 characters with values gre
1843    
1844  /* These are escaped items that aren't just an encoding of a particular data  /* These are escaped items that aren't just an encoding of a particular data
1845  value such as \n. They must have non-zero values, as check_escape() returns  value such as \n. They must have non-zero values, as check_escape() returns
1846  their negation. Also, they must appear in the same order as in the opcode  0 for a data character.  Also, they must appear in the same order as in the opcode
1847  definitions below, up to ESC_z. There's a dummy for OP_ANY because it  definitions below, up to ESC_z. There's a dummy for OP_ALLANY because it
1848  corresponds to "." rather than an escape sequence. The final one must be  corresponds to "." in DOTALL mode rather than an escape sequence. It is also
1849  ESC_REF as subsequent values are used for backreferences (\1, \2, \3, etc).  used for [^] in JavaScript compatibility mode, and for \C in non-utf mode. In
1850  There are two tests in the code for an escape greater than ESC_b and less than  non-DOTALL mode, "." behaves like \N.
1851  ESC_Z to detect the types that may be repeated. These are the types that  
1852  consume characters. If any new escapes are put in between that don't consume a  The special values ESC_DU, ESC_du, etc. are used instead of ESC_D, ESC_d, etc.
1853  character, that code will have to change. */  when PCRE_UCP is set and replacement of \d etc by \p sequences is required.
1854    They must be contiguous, and remain in order so that the replacements can be
1855  enum { ESC_A = 1, ESC_G, ESC_B, ESC_b, ESC_D, ESC_d, ESC_S, ESC_s, ESC_W,  looked up from a table.
1856         ESC_w, ESC_dum1, ESC_C, ESC_P, ESC_p, ESC_R, ESC_X, ESC_Z, ESC_z,  
1857         ESC_E, ESC_Q, ESC_k, ESC_REF };  Negative numbers are used to encode a backreference (\1, \2, \3, etc.) in
1858    check_escape(). There are two tests in the code for an escape
1859    greater than ESC_b and less than ESC_Z to detect the types that may be
1860    repeated. These are the types that consume characters. If any new escapes are
1861    put in between that don't consume a character, that code will have to change.
1862    */
1863    
1864    enum { ESC_A = 1, ESC_G, ESC_K, ESC_B, ESC_b, ESC_D, ESC_d, ESC_S, ESC_s,
1865           ESC_W, ESC_w, ESC_N, ESC_dum, ESC_C, ESC_P, ESC_p, ESC_R, ESC_H,
1866           ESC_h, ESC_V, ESC_v, ESC_X, ESC_Z, ESC_z,
1867           ESC_E, ESC_Q, ESC_g, ESC_k,
1868           ESC_DU, ESC_du, ESC_SU, ESC_su, ESC_WU, ESC_wu };
1869    
1870  /* Opcode table: OP_BRA must be last, as all values >= it are used for brackets  /* Opcode table: Starting from 1 (i.e. after OP_END), the values up to
 that extract substrings. Starting from 1 (i.e. after OP_END), the values up to  
1871  OP_EOD must correspond in order to the list of escapes immediately above.  OP_EOD must correspond in order to the list of escapes immediately above.
1872    
 To keep stored, compiled patterns compatible, new opcodes should be added  
 immediately before OP_BRA, where (since release 7.0) a gap is left for this  
 purpose.  
   
1873  *** NOTE NOTE NOTE *** Whenever this list is updated, the two macro definitions  *** NOTE NOTE NOTE *** Whenever this list is updated, the two macro definitions
1874  that follow must also be updated to match. There is also a table called  that follow must also be updated to match. There are also tables called
1875  "coptable" in pcre_dfa_exec.c that must be updated. */  "coptable" and "poptable" in pcre_dfa_exec.c that must be updated. */
1876    
1877  enum {  enum {
1878    OP_END,            /* 0 End of pattern */    OP_END,            /* 0 End of pattern */
# Line 575  enum { Line 1881  enum {
1881    
1882    OP_SOD,            /* 1 Start of data: \A */    OP_SOD,            /* 1 Start of data: \A */
1883    OP_SOM,            /* 2 Start of match (subject + offset): \G */    OP_SOM,            /* 2 Start of match (subject + offset): \G */
1884    OP_NOT_WORD_BOUNDARY,  /*  3 \B */    OP_SET_SOM,        /* 3 Set start of match (\K) */
1885    OP_WORD_BOUNDARY,      /*  4 \b */    OP_NOT_WORD_BOUNDARY,  /*  4 \B */
1886    OP_NOT_DIGIT,          /*  5 \D */    OP_WORD_BOUNDARY,      /*  5 \b */
1887    OP_DIGIT,              /*  6 \d */    OP_NOT_DIGIT,          /*  6 \D */
1888    OP_NOT_WHITESPACE,     /*  7 \S */    OP_DIGIT,              /*  7 \d */
1889    OP_WHITESPACE,         /*  8 \s */    OP_NOT_WHITESPACE,     /*  8 \S */
1890    OP_NOT_WORDCHAR,       /*  9 \W */    OP_WHITESPACE,         /*  9 \s */
1891    OP_WORDCHAR,           /* 10 \w */    OP_NOT_WORDCHAR,       /* 10 \W */
1892    OP_ANY,            /* 11 Match any character */    OP_WORDCHAR,           /* 11 \w */
1893    OP_ANYBYTE,        /* 12 Match any byte (\C); different to OP_ANY for UTF-8 */  
1894    OP_NOTPROP,        /* 13 \P (not Unicode property) */    OP_ANY,            /* 12 Match any character except newline (\N) */
1895    OP_PROP,           /* 14 \p (Unicode property) */    OP_ALLANY,         /* 13 Match any character */
1896    OP_ANYNL,          /* 15 \R (any newline sequence) */    OP_ANYBYTE,        /* 14 Match any byte (\C); different to OP_ANY for UTF-8 */
1897    OP_EXTUNI,         /* 16 \X (extended Unicode sequence */    OP_NOTPROP,        /* 15 \P (not Unicode property) */
1898    OP_EODN,           /* 17 End of data or \n at end of data: \Z. */    OP_PROP,           /* 16 \p (Unicode property) */
1899    OP_EOD,            /* 18 End of data: \z */    OP_ANYNL,          /* 17 \R (any newline sequence) */
1900      OP_NOT_HSPACE,     /* 18 \H (not horizontal whitespace) */
1901    OP_OPT,            /* 19 Set runtime options */    OP_HSPACE,         /* 19 \h (horizontal whitespace) */
1902    OP_CIRC,           /* 20 Start of line - varies with multiline switch */    OP_NOT_VSPACE,     /* 20 \V (not vertical whitespace) */
1903    OP_DOLL,           /* 21 End of line - varies with multiline switch */    OP_VSPACE,         /* 21 \v (vertical whitespace) */
1904    OP_CHAR,           /* 22 Match one character, casefully */    OP_EXTUNI,         /* 22 \X (extended Unicode sequence */
1905    OP_CHARNC,         /* 23 Match one character, caselessly */    OP_EODN,           /* 23 End of data or \n at end of data (\Z) */
1906    OP_NOT,            /* 24 Match one character, not the following one */    OP_EOD,            /* 24 End of data (\z) */
1907    
1908    OP_STAR,           /* 25 The maximizing and minimizing versions of */    OP_CIRC,           /* 25 Start of line - not multiline */
1909    OP_MINSTAR,        /* 26 these six opcodes must come in pairs, with */    OP_CIRCM,          /* 26 Start of line - multiline */
1910    OP_PLUS,           /* 27 the minimizing one second. */    OP_DOLL,           /* 27 End of line - not multiline */
1911    OP_MINPLUS,        /* 28 This first set applies to single characters.*/    OP_DOLLM,          /* 28 End of line - multiline */
1912    OP_QUERY,          /* 29 */    OP_CHAR,           /* 29 Match one character, casefully */
1913    OP_MINQUERY,       /* 30 */    OP_CHARI,          /* 30 Match one character, caselessly */
1914      OP_NOT,            /* 31 Match one character, not the given one, casefully */
1915    OP_UPTO,           /* 31 From 0 to n matches */    OP_NOTI,           /* 32 Match one character, not the given one, caselessly */
1916    OP_MINUPTO,        /* 32 */  
1917    OP_EXACT,          /* 33 Exactly n matches */    /* The following sets of 13 opcodes must always be kept in step because
1918      the offset from the first one is used to generate the others. */
1919    OP_POSSTAR,        /* 34 Possessified star */  
1920    OP_POSPLUS,        /* 35 Possessified plus */    /**** Single characters, caseful, must precede the caseless ones ****/
1921    OP_POSQUERY,       /* 36 Posesssified query */  
1922    OP_POSUPTO,        /* 37 Possessified upto */    OP_STAR,           /* 33 The maximizing and minimizing versions of */
1923      OP_MINSTAR,        /* 34 these six opcodes must come in pairs, with */
1924    OP_NOTSTAR,        /* 38 The maximizing and minimizing versions of */    OP_PLUS,           /* 35 the minimizing one second. */
1925    OP_NOTMINSTAR,     /* 39 these six opcodes must come in pairs, with */    OP_MINPLUS,        /* 36 */
1926    OP_NOTPLUS,        /* 40 the minimizing one second. They must be in */    OP_QUERY,          /* 37 */
1927    OP_NOTMINPLUS,     /* 41 exactly the same order as those above. */    OP_MINQUERY,       /* 38 */
1928    OP_NOTQUERY,       /* 42 This set applies to "not" single characters. */  
1929    OP_NOTMINQUERY,    /* 43 */    OP_UPTO,           /* 39 From 0 to n matches of one character, caseful*/
1930      OP_MINUPTO,        /* 40 */
1931    OP_NOTUPTO,        /* 44 From 0 to n matches */    OP_EXACT,          /* 41 Exactly n matches */
1932    OP_NOTMINUPTO,     /* 45 */  
1933    OP_NOTEXACT,       /* 46 Exactly n matches */    OP_POSSTAR,        /* 42 Possessified star, caseful */
1934      OP_POSPLUS,        /* 43 Possessified plus, caseful */
1935    OP_NOTPOSSTAR,     /* 47 Possessified versions */    OP_POSQUERY,       /* 44 Posesssified query, caseful */
1936    OP_NOTPOSPLUS,     /* 48 */    OP_POSUPTO,        /* 45 Possessified upto, caseful */
1937    OP_NOTPOSQUERY,    /* 49 */  
1938    OP_NOTPOSUPTO,     /* 50 */    /**** Single characters, caseless, must follow the caseful ones */
1939    
1940    OP_TYPESTAR,       /* 51 The maximizing and minimizing versions of */    OP_STARI,          /* 46 */
1941    OP_TYPEMINSTAR,    /* 52 these six opcodes must come in pairs, with */    OP_MINSTARI,       /* 47 */
1942    OP_TYPEPLUS,       /* 53 the minimizing one second. These codes must */    OP_PLUSI,          /* 48 */
1943    OP_TYPEMINPLUS,    /* 54 be in exactly the same order as those above. */    OP_MINPLUSI,       /* 49 */
1944    OP_TYPEQUERY,      /* 55 This set applies to character types such as \d */    OP_QUERYI,         /* 50 */
1945    OP_TYPEMINQUERY,   /* 56 */    OP_MINQUERYI,      /* 51 */
1946    
1947    OP_TYPEUPTO,       /* 57 From 0 to n matches */    OP_UPTOI,          /* 52 From 0 to n matches of one character, caseless */
1948    OP_TYPEMINUPTO,    /* 58 */    OP_MINUPTOI,       /* 53 */
1949    OP_TYPEEXACT,      /* 59 Exactly n matches */    OP_EXACTI,         /* 54 */
1950    
1951    OP_TYPEPOSSTAR,    /* 60 Possessified versions */    OP_POSSTARI,       /* 55 Possessified star, caseless */
1952    OP_TYPEPOSPLUS,    /* 61 */    OP_POSPLUSI,       /* 56 Possessified plus, caseless */
1953    OP_TYPEPOSQUERY,   /* 62 */    OP_POSQUERYI,      /* 57 Posesssified query, caseless */
1954    OP_TYPEPOSUPTO,    /* 63 */    OP_POSUPTOI,       /* 58 Possessified upto, caseless */
1955    
1956    OP_CRSTAR,         /* 64 The maximizing and minimizing versions of */    /**** The negated ones must follow the non-negated ones, and match them ****/
1957    OP_CRMINSTAR,      /* 65 all these opcodes must come in pairs, with */    /**** Negated single character, caseful; must precede the caseless ones ****/
1958    OP_CRPLUS,         /* 66 the minimizing one second. These codes must */  
1959    OP_CRMINPLUS,      /* 67 be in exactly the same order as those above. */    OP_NOTSTAR,        /* 59 The maximizing and minimizing versions of */
1960    OP_CRQUERY,        /* 68 These are for character classes and back refs */    OP_NOTMINSTAR,     /* 60 these six opcodes must come in pairs, with */
1961    OP_CRMINQUERY,     /* 69 */    OP_NOTPLUS,        /* 61 the minimizing one second. They must be in */
1962    OP_CRRANGE,        /* 70 These are different to the three sets above. */    OP_NOTMINPLUS,     /* 62 exactly the same order as those above. */
1963    OP_CRMINRANGE,     /* 71 */    OP_NOTQUERY,       /* 63 */
1964      OP_NOTMINQUERY,    /* 64 */
1965    OP_CLASS,          /* 72 Match a character class, chars < 256 only */  
1966    OP_NCLASS,         /* 73 Same, but the bitmap was created from a negative    OP_NOTUPTO,        /* 65 From 0 to n matches, caseful */
1967                             class - the difference is relevant only when a UTF-8    OP_NOTMINUPTO,     /* 66 */
1968                             character > 255 is encountered. */    OP_NOTEXACT,       /* 67 Exactly n matches */
1969    
1970    OP_XCLASS,         /* 74 Extended class for handling UTF-8 chars within the    OP_NOTPOSSTAR,     /* 68 Possessified versions, caseful */
1971                             class. This does both positive and negative. */    OP_NOTPOSPLUS,     /* 69 */
1972      OP_NOTPOSQUERY,    /* 70 */
1973    OP_REF,            /* 75 Match a back reference */    OP_NOTPOSUPTO,     /* 71 */
1974    OP_RECURSE,        /* 76 Match a numbered subpattern (possibly recursive) */  
1975    OP_CALLOUT,        /* 77 Call out to external function if provided */    /**** Negated single character, caseless; must follow the caseful ones ****/
1976    
1977    OP_ALT,            /* 78 Start of alternation */    OP_NOTSTARI,       /* 72 */
1978    OP_KET,            /* 79 End of group that doesn't have an unbounded repeat */    OP_NOTMINSTARI,    /* 73 */
1979    OP_KETRMAX,        /* 80 These two must remain together and in this */    OP_NOTPLUSI,       /* 74 */
1980    OP_KETRMIN,        /* 81 order. They are for groups the repeat for ever. */    OP_NOTMINPLUSI,    /* 75 */
1981      OP_NOTQUERYI,      /* 76 */
1982    /* The assertions must come before BRA, CBRA, ONCE, and COND.*/    OP_NOTMINQUERYI,   /* 77 */
1983    
1984    OP_ASSERT,         /* 82 Positive lookahead */    OP_NOTUPTOI,       /* 78 From 0 to n matches, caseless */
1985    OP_ASSERT_NOT,     /* 83 Negative lookahead */    OP_NOTMINUPTOI,    /* 79 */
1986    OP_ASSERTBACK,     /* 84 Positive lookbehind */    OP_NOTEXACTI,      /* 80 Exactly n matches */
1987    OP_ASSERTBACK_NOT, /* 85 Negative lookbehind */  
1988    OP_REVERSE,        /* 86 Move pointer back - used in lookbehind assertions */    OP_NOTPOSSTARI,    /* 81 Possessified versions, caseless */
1989      OP_NOTPOSPLUSI,    /* 82 */
1990    /* ONCE, BRA, CBRA, and COND must come after the assertions, with ONCE first,    OP_NOTPOSQUERYI,   /* 83 */
1991    as there's a test for >= ONCE for a subpattern that isn't an assertion. */    OP_NOTPOSUPTOI,    /* 84 */
1992    
1993    OP_ONCE,           /* 87 Atomic group */    /**** Character types ****/
1994    OP_BRA,            /* 88 Start of non-capturing bracket */  
1995    OP_CBRA,           /* 89 Start of capturing bracket */    OP_TYPESTAR,       /* 85 The maximizing and minimizing versions of */
1996    OP_COND,           /* 90 Conditional group */    OP_TYPEMINSTAR,    /* 86 these six opcodes must come in pairs, with */
1997      OP_TYPEPLUS,       /* 87 the minimizing one second. These codes must */
1998      OP_TYPEMINPLUS,    /* 88 be in exactly the same order as those above. */
1999      OP_TYPEQUERY,      /* 89 */
2000      OP_TYPEMINQUERY,   /* 90 */
2001    
2002      OP_TYPEUPTO,       /* 91 From 0 to n matches */
2003      OP_TYPEMINUPTO,    /* 92 */
2004      OP_TYPEEXACT,      /* 93 Exactly n matches */
2005    
2006      OP_TYPEPOSSTAR,    /* 94 Possessified versions */
2007      OP_TYPEPOSPLUS,    /* 95 */
2008      OP_TYPEPOSQUERY,   /* 96 */
2009      OP_TYPEPOSUPTO,    /* 97 */
2010    
2011      /* These are used for character classes and back references; only the
2012      first six are the same as the sets above. */
2013    
2014      OP_CRSTAR,         /* 98 The maximizing and minimizing versions of */
2015      OP_CRMINSTAR,      /* 99 all these opcodes must come in pairs, with */
2016      OP_CRPLUS,         /* 100 the minimizing one second. These codes must */
2017      OP_CRMINPLUS,      /* 101 be in exactly the same order as those above. */
2018      OP_CRQUERY,        /* 102 */
2019      OP_CRMINQUERY,     /* 103 */
2020    
2021      OP_CRRANGE,        /* 104 These are different to the three sets above. */
2022      OP_CRMINRANGE,     /* 105 */
2023    
2024      /* End of quantifier opcodes */
2025    
2026      OP_CLASS,          /* 106 Match a character class, chars < 256 only */
2027      OP_NCLASS,         /* 107 Same, but the bitmap was created from a negative
2028                                  class - the difference is relevant only when a
2029                                  character > 255 is encountered. */
2030      OP_XCLASS,         /* 108 Extended class for handling > 255 chars within the
2031                                  class. This does both positive and negative. */
2032      OP_REF,            /* 109 Match a back reference, casefully */
2033      OP_REFI,           /* 110 Match a back reference, caselessly */
2034      OP_RECURSE,        /* 111 Match a numbered subpattern (possibly recursive) */
2035      OP_CALLOUT,        /* 112 Call out to external function if provided */
2036    
2037      OP_ALT,            /* 113 Start of alternation */
2038      OP_KET,            /* 114 End of group that doesn't have an unbounded repeat */
2039      OP_KETRMAX,        /* 115 These two must remain together and in this */
2040      OP_KETRMIN,        /* 116 order. They are for groups the repeat for ever. */
2041      OP_KETRPOS,        /* 117 Possessive unlimited repeat. */
2042    
2043      /* The assertions must come before BRA, CBRA, ONCE, and COND, and the four
2044      asserts must remain in order. */
2045    
2046      OP_REVERSE,        /* 118 Move pointer back - used in lookbehind assertions */
2047      OP_ASSERT,         /* 119 Positive lookahead */
2048      OP_ASSERT_NOT,     /* 120 Negative lookahead */
2049      OP_ASSERTBACK,     /* 121 Positive lookbehind */
2050      OP_ASSERTBACK_NOT, /* 122 Negative lookbehind */
2051    
2052      /* ONCE, ONCE_NC, BRA, BRAPOS, CBRA, CBRAPOS, and COND must come immediately
2053      after the assertions, with ONCE first, as there's a test for >= ONCE for a
2054      subpattern that isn't an assertion. The POS versions must immediately follow
2055      the non-POS versions in each case. */
2056    
2057      OP_ONCE,           /* 123 Atomic group, contains captures */
2058      OP_ONCE_NC,        /* 124 Atomic group containing no captures */
2059      OP_BRA,            /* 125 Start of non-capturing bracket */
2060      OP_BRAPOS,         /* 126 Ditto, with unlimited, possessive repeat */
2061      OP_CBRA,           /* 127 Start of capturing bracket */
2062      OP_CBRAPOS,        /* 128 Ditto, with unlimited, possessive repeat */
2063      OP_COND,           /* 129 Conditional group */
2064    
2065    /* These three must follow the previous three, in the same order. There's a    /* These five must follow the previous five, in the same order. There's a
2066    check for >= SBRA to distinguish the two sets. */    check for >= SBRA to distinguish the two sets. */
2067    
2068    OP_SBRA,           /* 91 Start of non-capturing bracket, check empty  */    OP_SBRA,           /* 130 Start of non-capturing bracket, check empty  */
2069    OP_SCBRA,          /* 92 Start of capturing bracket, check empty */    OP_SBRAPOS,        /* 131 Ditto, with unlimited, possessive repeat */
2070    OP_SCOND,          /* 93 Conditional group, check empty */    OP_SCBRA,          /* 132 Start of capturing bracket, check empty */
2071      OP_SCBRAPOS,       /* 133 Ditto, with unlimited, possessive repeat */
2072    OP_CREF,           /* 94 Used to hold a capture number as condition */    OP_SCOND,          /* 134 Conditional group, check empty */
2073    OP_RREF,           /* 95 Used to hold a recursion number as condition */  
2074    OP_DEF,            /* 96 The DEFINE condition */    /* The next two pairs must (respectively) be kept together. */
2075    
2076      OP_CREF,           /* 135 Used to hold a capture number as condition */
2077      OP_NCREF,          /* 136 Same, but generated by a name reference*/
2078      OP_RREF,           /* 137 Used to hold a recursion number as condition */
2079      OP_NRREF,          /* 138 Same, but generated by a name reference*/
2080      OP_DEF,            /* 139 The DEFINE condition */
2081    
2082      OP_BRAZERO,        /* 140 These two must remain together and in this */
2083      OP_BRAMINZERO,     /* 141 order. */
2084      OP_BRAPOSZERO,     /* 142 */
2085    
2086      /* These are backtracking control verbs */
2087    
2088      OP_MARK,           /* 143 always has an argument */
2089      OP_PRUNE,          /* 144 */
2090      OP_PRUNE_ARG,      /* 145 same, but with argument */
2091      OP_SKIP,           /* 146 */
2092      OP_SKIP_ARG,       /* 147 same, but with argument */
2093      OP_THEN,           /* 148 */
2094      OP_THEN_ARG,       /* 149 same, but with argument */
2095      OP_COMMIT,         /* 150 */
2096    
2097      /* These are forced failure and success verbs */
2098    
2099      OP_FAIL,           /* 151 */
2100      OP_ACCEPT,         /* 152 */
2101      OP_ASSERT_ACCEPT,  /* 153 Used inside assertions */
2102      OP_CLOSE,          /* 154 Used before OP_ACCEPT to close open captures */
2103    
2104      /* This is used to skip a subpattern with a {0} quantifier */
2105    
2106      OP_SKIPZERO,       /* 155 */
2107    
2108      /* This is not an opcode, but is used to check that tables indexed by opcode
2109      are the correct length, in order to catch updating errors - there have been
2110      some in the past. */
2111    
2112    OP_BRAZERO,        /* 97 These two must remain together and in this */    OP_TABLE_LENGTH
   OP_BRAMINZERO      /* 98 order. */  
2113  };  };
2114    
2115    /* *** NOTE NOTE NOTE *** Whenever the list above is updated, the two macro
2116    definitions that follow must also be updated to match. There are also tables
2117    called "coptable" and "poptable" in pcre_dfa_exec.c that must be updated. */
2118    
2119    
2120  /* This macro defines textual names for all the opcodes. These are used only  /* This macro defines textual names for all the opcodes. These are used only
2121  for debugging. The macro is referenced only in pcre_printint.c. */  for debugging, and some of them are only partial names. The macro is referenced
2122    only in pcre_printint.c, which fills out the full names in many cases (and in
2123    some cases doesn't actually use these names at all). */
2124    
2125  #define OP_NAME_LIST \  #define OP_NAME_LIST \
2126    "End", "\\A", "\\G", "\\B", "\\b", "\\D", "\\d",                \    "End", "\\A", "\\G", "\\K", "\\B", "\\b", "\\D", "\\d",         \
2127    "\\S", "\\s", "\\W", "\\w", "Any", "Anybyte",                   \    "\\S", "\\s", "\\W", "\\w", "Any", "AllAny", "Anybyte",         \
2128    "notprop", "prop", "anynl", "extuni",                           \    "notprop", "prop", "\\R", "\\H", "\\h", "\\V", "\\v",           \
2129    "\\Z", "\\z",                                                   \    "extuni",  "\\Z", "\\z",                                        \
2130    "Opt", "^", "$", "char", "charnc", "not",                       \    "^", "^", "$", "$", "char", "chari", "not", "noti",             \
2131    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",                 \    "*", "*?", "+", "+?", "?", "??",                                \
2132      "{", "{", "{",                                                  \
2133    "*+","++", "?+", "{",                                           \    "*+","++", "?+", "{",                                           \
2134    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",                 \    "*", "*?", "+", "+?", "?", "??",                                \
2135      "{", "{", "{",                                                  \
2136      "*+","++", "?+", "{",                                           \
2137      "*", "*?", "+", "+?", "?", "??",                                \
2138      "{", "{", "{",                                                  \
2139      "*+","++", "?+", "{",                                           \
2140      "*", "*?", "+", "+?", "?", "??",                                \
2141      "{", "{", "{",                                                  \
2142    "*+","++", "?+", "{",                                           \    "*+","++", "?+", "{",                                           \
2143    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",                 \    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",                 \
2144    "*+","++", "?+", "{",                                           \    "*+","++", "?+", "{",                                           \
2145    "*", "*?", "+", "+?", "?", "??", "{", "{",                      \    "*", "*?", "+", "+?", "?", "??", "{", "{",                      \
2146    "class", "nclass", "xclass", "Ref", "Recurse", "Callout",       \    "class", "nclass", "xclass", "Ref", "Refi",                     \
2147    "Alt", "Ket", "KetRmax", "KetRmin", "Assert", "Assert not",     \    "Recurse", "Callout",                                           \
2148    "AssertB", "AssertB not", "Reverse",                            \    "Alt", "Ket", "KetRmax", "KetRmin", "KetRpos",                  \
2149    "Once", "Bra 0", "Bra", "Cond", "SBra 0", "SBra", "SCond",      \    "Reverse", "Assert", "Assert not", "AssertB", "AssertB not",    \
2150    "Cond ref", "Cond rec", "Cond def", "Brazero", "Braminzero"    "Once", "Once_NC",                                              \
2151      "Bra", "BraPos", "CBra", "CBraPos",                             \
2152      "Cond",                                                         \
2153      "SBra", "SBraPos", "SCBra", "SCBraPos",                         \
2154      "SCond",                                                        \
2155      "Cond ref", "Cond nref", "Cond rec", "Cond nrec", "Cond def",   \
2156      "Brazero", "Braminzero", "Braposzero",                          \
2157      "*MARK", "*PRUNE", "*PRUNE", "*SKIP", "*SKIP",                  \
2158      "*THEN", "*THEN", "*COMMIT", "*FAIL",                           \
2159      "*ACCEPT", "*ASSERT_ACCEPT",                                    \
2160      "Close", "Skip zero"
2161    
2162    
2163  /* This macro defines the length of fixed length operations in the compiled  /* This macro defines the length of fixed length operations in the compiled
# Line 739  in UTF-8 mode. The code that uses this t Line 2171  in UTF-8 mode. The code that uses this t
2171    
2172  #define OP_LENGTHS \  #define OP_LENGTHS \
2173    1,                             /* End                                    */ \    1,                             /* End                                    */ \
2174    1, 1, 1, 1, 1, 1, 1, 1, 1, 1,  /* \A, \G, \B, \B, \D, \d, \S, \s, \W, \w */ \    1, 1, 1, 1, 1,                 /* \A, \G, \K, \B, \b                     */ \
2175    1, 1,                          /* Any, Anybyte                           */ \    1, 1, 1, 1, 1, 1,              /* \D, \d, \S, \s, \W, \w                 */ \
2176    3, 3, 1, 1,                    /* NOTPROP, PROP, EXTUNI, ANYNL           */ \    1, 1, 1,                       /* Any, AllAny, Anybyte                   */ \
2177    1, 1, 2, 1, 1,                 /* \Z, \z, Opt, ^, $                      */ \    3, 3,                          /* \P, \p                                 */ \
2178      1, 1, 1, 1, 1,                 /* \R, \H, \h, \V, \v                     */ \
2179      1,                             /* \X                                     */ \
2180      1, 1, 1, 1, 1, 1,              /* \Z, \z, ^, ^M, $, $M                   */ \
2181    2,                             /* Char  - the minimum length             */ \    2,                             /* Char  - the minimum length             */ \
2182    2,                             /* Charnc  - the minimum length           */ \    2,                             /* Chari  - the minimum length            */ \
2183    2,                             /* not                                    */ \    2,                             /* not                                    */ \
2184    /* Positive single-char repeats                            ** These are  */ \    2,                             /* noti                                   */ \
2185    2, 2, 2, 2, 2, 2,              /* *, *?, +, +?, ?, ??      ** minima in  */ \    /* Positive single-char repeats                             ** These are */ \
2186    4, 4, 4,                       /* upto, minupto, exact     ** UTF-8 mode */ \    2, 2, 2, 2, 2, 2,              /* *, *?, +, +?, ?, ??       ** minima in */ \
2187    2, 2, 2, 4,                    /* *+, ++, ?+, upto+                      */ \    2+IMM2_SIZE, 2+IMM2_SIZE,      /* upto, minupto             ** mode      */ \
2188      2+IMM2_SIZE,                   /* exact                                  */ \
2189      2, 2, 2, 2+IMM2_SIZE,          /* *+, ++, ?+, upto+                      */ \
2190      2, 2, 2, 2, 2, 2,              /* *I, *?I, +I, +?I, ?I, ??I ** UTF-8     */ \
2191      2+IMM2_SIZE, 2+IMM2_SIZE,      /* upto I, minupto I                      */ \
2192      2+IMM2_SIZE,                   /* exact I                                */ \
2193      2, 2, 2, 2+IMM2_SIZE,          /* *+I, ++I, ?+I, upto+I                  */ \
2194    /* Negative single-char repeats - only for chars < 256                   */ \    /* Negative single-char repeats - only for chars < 256                   */ \
2195    2, 2, 2, 2, 2, 2,              /* NOT *, *?, +, +?, ?, ??                */ \    2, 2, 2, 2, 2, 2,              /* NOT *, *?, +, +?, ?, ??                */ \
2196    4, 4, 4,                       /* NOT upto, minupto, exact               */ \    2+IMM2_SIZE, 2+IMM2_SIZE,      /* NOT upto, minupto                      */ \
2197    2, 2, 2, 4,                    /* Possessive *, +, ?, upto               */ \    2+IMM2_SIZE,                   /* NOT exact                              */ \
2198      2, 2, 2, 2+IMM2_SIZE,          /* Possessive NOT *, +, ?, upto           */ \
2199      2, 2, 2, 2, 2, 2,              /* NOT *I, *?I, +I, +?I, ?I, ??I          */ \
2200      2+IMM2_SIZE, 2+IMM2_SIZE,      /* NOT upto I, minupto I                  */ \
2201      2+IMM2_SIZE,                   /* NOT exact I                            */ \
2202      2, 2, 2, 2+IMM2_SIZE,          /* Possessive NOT *I, +I, ?I, upto I      */ \
2203    /* Positive type repeats                                                 */ \    /* Positive type repeats                                                 */ \
2204    2, 2, 2, 2, 2, 2,              /* Type *, *?, +, +?, ?, ??               */ \    2, 2, 2, 2, 2, 2,              /* Type *, *?, +, +?, ?, ??               */ \
2205    4, 4, 4,                       /* Type upto, minupto, exact              */ \    2+IMM2_SIZE, 2+IMM2_SIZE,      /* Type upto, minupto                     */ \
2206    2, 2, 2, 4,                    /* Possessive *+, ++, ?+, upto+           */ \    2+IMM2_SIZE,                   /* Type exact                             */ \
2207      2, 2, 2, 2+IMM2_SIZE,          /* Possessive *+, ++, ?+, upto+           */ \
2208    /* Character class & ref repeats                                         */ \    /* Character class & ref repeats                                         */ \
2209    1, 1, 1, 1, 1, 1,              /* *, *?, +, +?, ?, ??                    */ \    1, 1, 1, 1, 1, 1,              /* *, *?, +, +?, ?, ??                    */ \
2210    5, 5,                          /* CRRANGE, CRMINRANGE                    */ \    1+2*IMM2_SIZE, 1+2*IMM2_SIZE,  /* CRRANGE, CRMINRANGE                    */ \
2211   33,                             /* CLASS                                  */ \    1+(32/sizeof(pcre_uchar)),     /* CLASS                                  */ \
2212   33,                             /* NCLASS                                 */ \    1+(32/sizeof(pcre_uchar)),     /* NCLASS                                 */ \
2213    0,                             /* XCLASS - variable length               */ \    0,                             /* XCLASS - variable length               */ \
2214    3,                             /* REF                                    */ \    1+IMM2_SIZE,                   /* REF                                    */ \
2215      1+IMM2_SIZE,                   /* REFI                                   */ \
2216    1+LINK_SIZE,                   /* RECURSE                                */ \    1+LINK_SIZE,                   /* RECURSE                                */ \
2217    2+2*LINK_SIZE,                 /* CALLOUT                                */ \    2+2*LINK_SIZE,                 /* CALLOUT                                */ \
2218    1+LINK_SIZE,                   /* Alt                                    */ \    1+LINK_SIZE,                   /* Alt                                    */ \
2219    1+LINK_SIZE,                   /* Ket                                    */ \    1+LINK_SIZE,                   /* Ket                                    */ \
2220    1+LINK_SIZE,                   /* KetRmax                                */ \    1+LINK_SIZE,                   /* KetRmax                                */ \
2221    1+LINK_SIZE,                   /* KetRmin                                */ \    1+LINK_SIZE,                   /* KetRmin                                */ \
2222      1+LINK_SIZE,                   /* KetRpos                                */ \
2223      1+LINK_SIZE,                   /* Reverse                                */ \
2224    1+LINK_SIZE,                   /* Assert                                 */ \    1+LINK_SIZE,                   /* Assert                                 */ \
2225    1+LINK_SIZE,                   /* Assert not                             */ \    1+LINK_SIZE,                   /* Assert not                             */ \
2226    1+LINK_SIZE,                   /* Assert behind                          */ \    1+LINK_SIZE,                   /* Assert behind                          */ \
2227    1+LINK_SIZE,                   /* Assert behind not                      */ \    1+LINK_SIZE,                   /* Assert behind not                      */ \
   1+LINK_SIZE,                   /* Reverse                                */ \  
2228    1+LINK_SIZE,                   /* ONCE                                   */ \    1+LINK_SIZE,                   /* ONCE                                   */ \
2229      1+LINK_SIZE,                   /* ONCE_NC                                */ \
2230    1+LINK_SIZE,                   /* BRA                                    */ \    1+LINK_SIZE,                   /* BRA                                    */ \
2231    3+LINK_SIZE,                   /* CBRA                                   */ \    1+LINK_SIZE,                   /* BRAPOS                                 */ \
2232      1+LINK_SIZE+IMM2_SIZE,         /* CBRA                                   */ \
2233      1+LINK_SIZE+IMM2_SIZE,         /* CBRAPOS                                */ \
2234    1+LINK_SIZE,                   /* COND                                   */ \    1+LINK_SIZE,                   /* COND                                   */ \
2235    1+LINK_SIZE,                   /* SBRA                                   */ \    1+LINK_SIZE,                   /* SBRA                                   */ \
2236    3+LINK_SIZE,                   /* SCBRA                                  */ \    1+LINK_SIZE,                   /* SBRAPOS                                */ \
2237      1+LINK_SIZE+IMM2_SIZE,         /* SCBRA                                  */ \
2238      1+LINK_SIZE+IMM2_SIZE,         /* SCBRAPOS                               */ \
2239    1+LINK_SIZE,                   /* SCOND                                  */ \    1+LINK_SIZE,                   /* SCOND                                  */ \
2240    3,                             /* CREF                                   */ \    1+IMM2_SIZE, 1+IMM2_SIZE,      /* CREF, NCREF                            */ \
2241    3,                             /* RREF                                   */ \    1+IMM2_SIZE, 1+IMM2_SIZE,      /* RREF, NRREF                            */ \
2242    1,                             /* DEF                                    */ \    1,                             /* DEF                                    */ \
2243    1, 1,                          /* BRAZERO, BRAMINZERO                    */ \    1, 1, 1,                       /* BRAZERO, BRAMINZERO, BRAPOSZERO        */ \
2244      3, 1, 3,                       /* MARK, PRUNE, PRUNE_ARG                 */ \
2245      1, 3,                          /* SKIP, SKIP_ARG                         */ \
2246      1, 3,                          /* THEN, THEN_ARG                         */ \
2247      1, 1, 1, 1,                    /* COMMIT, FAIL, ACCEPT, ASSERT_ACCEPT    */ \
2248      1+IMM2_SIZE, 1                 /* CLOSE, SKIPZERO                        */
2249    
2250  /* A magic value for OP_RREF to indicate the "any recursion" condition. */  /* A magic value for OP_RREF and OP_NRREF to indicate the "any recursion"
2251    condition. */
2252    
2253  #define RREF_ANY  0xffff  #define RREF_ANY  0xffff
2254    
2255  /* Error code numbers. They are given names so that they can more easily be  /* Compile time error code numbers. They are given names so that they can more
2256  tracked. */  easily be tracked. When a new number is added, the table called eint in
2257    pcreposix.c must be updated. */
2258    
2259  enum { ERR0,  ERR1,  ERR2,  ERR3,  ERR4,  ERR5,  ERR6,  ERR7,  ERR8,  ERR9,  enum { ERR0,  ERR1,  ERR2,  ERR3,  ERR4,  ERR5,  ERR6,  ERR7,  ERR8,  ERR9,
2260         ERR10, ERR11, ERR12, ERR13, ERR14, ERR15, ERR16, ERR17, ERR18, ERR19,         ERR10, ERR11, ERR12, ERR13, ERR14, ERR15, ERR16, ERR17, ERR18, ERR19,
2261         ERR20, ERR21, ERR22, ERR23, ERR24, ERR25, ERR26, ERR27, ERR28, ERR29,         ERR20, ERR21, ERR22, ERR23, ERR24, ERR25, ERR26, ERR27, ERR28, ERR29,
2262         ERR30, ERR31, ERR32, ERR33, ERR34, ERR35, ERR36, ERR37, ERR38, ERR39,         ERR30, ERR31, ERR32, ERR33, ERR34, ERR35, ERR36, ERR37, ERR38, ERR39,
2263         ERR40, ERR41, ERR42, ERR43, ERR44, ERR45, ERR46, ERR47, ERR48, ERR49,         ERR40, ERR41, ERR42, ERR43, ERR44, ERR45, ERR46, ERR47, ERR48, ERR49,
2264         ERR50, ERR51, ERR52, ERR53, ERR54, ERR55, ERR56, ERR57 };         ERR50, ERR51, ERR52, ERR53, ERR54, ERR55, ERR56, ERR57, ERR58, ERR59,
2265           ERR60, ERR61, ERR62, ERR63, ERR64, ERR65, ERR66, ERR67, ERR68, ERR69,
2266           ERR70, ERR71, ERR72, ERR73, ERR74, ERR75, ERR76, ERR77, ERRCOUNT };
2267    
2268    /* JIT compiling modes. The function list is indexed by them. */
2269    enum { JIT_COMPILE, JIT_PARTIAL_SOFT_COMPILE, JIT_PARTIAL_HARD_COMPILE,
2270           JIT_NUMBER_OF_COMPILE_MODES };
2271    
2272  /* The real format of the start of the pcre block; the index of names and the  /* The real format of the start of the pcre block; the index of names and the
2273  code vector run on as long as necessary after the end. We store an explicit  code vector run on as long as necessary after the end. We store an explicit
# Line 817  Because people can now save and re-use c Line 2283  Because people can now save and re-use c
2283  structure should be made at the end, and something earlier (e.g. a new  structure should be made at the end, and something earlier (e.g. a new
2284  flag in the options or one of the dummy fields) should indicate that the new  flag in the options or one of the dummy fields) should indicate that the new
2285  fields are present. Currently PCRE always sets the dummy fields to zero.  fields are present. Currently PCRE always sets the dummy fields to zero.
2286  NOTE NOTE NOTE:  NOTE NOTE NOTE
2287  */  */
2288    
2289  typedef struct real_pcre {  #if defined COMPILE_PCRE8
2290    #define REAL_PCRE real_pcre
2291    #elif defined COMPILE_PCRE16
2292    #define REAL_PCRE real_pcre16
2293    #elif defined COMPILE_PCRE32
2294    #define REAL_PCRE real_pcre32
2295    #endif
2296    
2297    /* It is necessary to fork the struct for 32 bit, since it needs to use
2298     * pcre_uchar for first_char and req_char. Can't put an ifdef inside the
2299     * typedef since pcretest needs access to  the struct of the 8-, 16-
2300     * and 32-bit variants. */
2301    
2302    typedef struct real_pcre8_or_16 {
2303    pcre_uint32 magic_number;    pcre_uint32 magic_number;
2304    pcre_uint32 size;               /* Total that was malloced */    pcre_uint32 size;               /* Total that was malloced */
2305    pcre_uint32 options;    pcre_uint32 options;            /* Public options */
2306    pcre_uint32 dummy1;             /* For future use, maybe */    pcre_uint16 flags;              /* Private flags */
2307      pcre_uint16 max_lookbehind;     /* Longest lookbehind (characters) */
2308    pcre_uint16 top_bracket;    pcre_uint16 top_bracket;        /* Highest numbered group */
2309    pcre_uint16 top_backref;    pcre_uint16 top_backref;        /* Highest numbered back reference */
2310    pcre_uint16 first_byte;    pcre_uint16 first_char;         /* Starting character */
2311    pcre_uint16 req_byte;    pcre_uint16 req_char;           /* This character must be seen */
2312    pcre_uint16 name_table_offset;  /* Offset to name table that follows */    pcre_uint16 name_table_offset;  /* Offset to name table that follows */
2313    pcre_uint16 name_entry_size;    /* Size of any name items */    pcre_uint16 name_entry_size;    /* Size of any name items */
2314    pcre_uint16 name_count;         /* Number of name items */    pcre_uint16 name_count;         /* Number of name items */
2315    pcre_uint16 ref_count;          /* Reference count */    pcre_uint16 ref_count;          /* Reference count */
2316      const pcre_uint8 *tables;       /* Pointer to tables or NULL for std */
2317      const pcre_uint8 *nullpad;      /* NULL padding */
2318    } real_pcre8_or_16;
2319    
2320    const unsigned char *tables;    /* Pointer to tables or NULL for std */  typedef struct real_pcre8_or_16 real_pcre;
2321    const unsigned char *nullpad;   /* NULL padding */  typedef struct real_pcre8_or_16 real_pcre16;
2322  } real_pcre;  
2323    typedef struct real_pcre32 {
2324      pcre_uint32 magic_number;
2325      pcre_uint32 size;               /* Total that was malloced */
2326      pcre_uint32 options;            /* Public options */
2327      pcre_uint16 flags;              /* Private flags */
2328      pcre_uint16 max_lookbehind;     /* Longest lookbehind (characters) */
2329      pcre_uint16 top_bracket;        /* Highest numbered group */
2330      pcre_uint16 top_backref;        /* Highest numbered back reference */
2331      pcre_uint32 first_char;         /* Starting character */
2332      pcre_uint32 req_char;           /* This character must be seen */
2333      pcre_uint16 name_table_offset;  /* Offset to name table that follows */
2334      pcre_uint16 name_entry_size;    /* Size of any name items */
2335      pcre_uint16 name_count;         /* Number of name items */
2336      pcre_uint16 ref_count;          /* Reference count */
2337      pcre_uint16 dummy1;             /* for later expansion */
2338      pcre_uint16 dummy2;             /* for later expansion */
2339      const pcre_uint8 *tables;       /* Pointer to tables or NULL for std */
2340      void *nullpad;                  /* for later expansion */
2341    } real_pcre32;
2342    
2343    /* Assert that the size of REAL_PCRE is divisible by 8 */
2344    typedef int __assert_real_pcre_size_divisible_8[(sizeof(REAL_PCRE) % 8) == 0 ? 1 : -1];
2345    
2346    /* Needed in pcretest to access some fields in the real_pcre* structures
2347     * directly. They're unified for 8/16/32 bits since the structs only differ
2348     * after these fields; if that ever changes, need to fork those defines into
2349     * 8/16 and 32 bit versions. */
2350    #define REAL_PCRE_MAGIC(re)     (((REAL_PCRE*)re)->magic_number)
2351    #define REAL_PCRE_SIZE(re)      (((REAL_PCRE*)re)->size)
2352    #define REAL_PCRE_OPTIONS(re)   (((REAL_PCRE*)re)->options)
2353    #define REAL_PCRE_FLAGS(re)     (((REAL_PCRE*)re)->flags)
2354    
2355  /* The format of the block used to store data from pcre_study(). The same  /* The format of the block used to store data from pcre_study(). The same
2356  remark (see NOTE above) about extending this structure applies. */  remark (see NOTE above) about extending this structure applies. */
2357    
2358  typedef struct pcre_study_data {  typedef struct pcre_study_data {
2359    pcre_uint32 size;               /* Total that was malloced */    pcre_uint32 size;               /* Total that was malloced */
2360    pcre_uint32 options;    pcre_uint32 flags;              /* Private flags */
2361    uschar start_bits[32];    pcre_uint8 start_bits[32];      /* Starting char bits */
2362      pcre_uint32 minlength;          /* Minimum subject length */
2363  } pcre_study_data;  } pcre_study_data;
2364    
2365    /* Structure for building a chain of open capturing subpatterns during
2366    compiling, so that instructions to close them can be compiled when (*ACCEPT) is
2367    encountered. This is also used to identify subpatterns that contain recursive
2368    back references to themselves, so that they can be made atomic. */
2369    
2370    typedef struct open_capitem {
2371      struct open_capitem *next;    /* Chain link */
2372      pcre_uint16 number;           /* Capture number */
2373      pcre_uint16 flag;             /* Set TRUE if recursive back ref */
2374    } open_capitem;
2375    
2376  /* Structure for passing "static" information around between the functions  /* Structure for passing "static" information around between the functions
2377  doing the compiling, so that they are thread-safe. */  doing the compiling, so that they are thread-safe. */
2378    
2379  typedef struct compile_data {  typedef struct compile_data {
2380    const uschar *lcc;            /* Points to lower casing table */    const pcre_uint8 *lcc;            /* Points to lower casing table */
2381    const uschar *fcc;            /* Points to case-flipping table */    const pcre_uint8 *fcc;            /* Points to case-flipping table */
2382    const uschar *cbits;          /* Points to character type table */    const pcre_uint8 *cbits;          /* Points to character type table */
2383    const uschar *ctypes;         /* Points to table of type maps */    const pcre_uint8 *ctypes;         /* Points to table of type maps */
2384    const uschar *start_workspace;/* The start of working space */    const pcre_uchar *start_workspace;/* The start of working space */
2385    const uschar *start_code;     /* The start of the compiled code */    const pcre_uchar *start_code;     /* The start of the compiled code */
2386    const uschar *start_pattern;  /* The start of the pattern */    const pcre_uchar *start_pattern;  /* The start of the pattern */
2387    const uschar *end_pattern;    /* The end of the pattern */    const pcre_uchar *end_pattern;    /* The end of the pattern */
2388    uschar *hwm;                  /* High watermark of workspace */    open_capitem *open_caps;          /* Chain of open capture items */
2389    uschar *name_table;           /* The name/number table */    pcre_uchar *hwm;                  /* High watermark of workspace */
2390    int  names_found;             /* Number of entries so far */    pcre_uchar *name_table;           /* The name/number table */
2391    int  name_entry_size;         /* Size of each entry */    int  names_found;                 /* Number of entries so far */
2392    int  bracount;                /* Count of capturing parens */    int  name_entry_size;             /* Size of each entry */
2393    int  top_backref;             /* Maximum back reference */    int  workspace_size;              /* Size of workspace */
2394    unsigned int backref_map;     /* Bitmap of low back refs */    int  bracount;                    /* Count of capturing parens as we compile */
2395    int  external_options;        /* External (initial) options */    int  final_bracount;              /* Saved value after first pass */
2396    int  req_varyopt;             /* "After variable item" flag for reqbyte */    int  max_lookbehind;              /* Maximum lookbehind (characters) */
2397    BOOL nopartial;               /* Set TRUE if partial won't work */    int  top_backref;                 /* Maximum back reference */
2398    int  nltype;                  /* Newline type */    unsigned int backref_map;         /* Bitmap of low back refs */
2399    int  nllen;                   /* Newline string length */    int  assert_depth;                /* Depth of nested assertions */
2400    uschar nl[4];                 /* Newline string when fixed length */    int  external_options;            /* External (initial) options */
2401      int  external_flags;              /* External flag bits to be set */
2402      int  req_varyopt;                 /* "After variable item" flag for reqbyte */
2403      BOOL had_accept;                  /* (*ACCEPT) encountered */
2404      BOOL had_pruneorskip;             /* (*PRUNE) or (*SKIP) encountered */
2405      BOOL check_lookbehind;            /* Lookbehinds need later checking */
2406      int  nltype;                      /* Newline type */
2407      int  nllen;                       /* Newline string length */
2408      pcre_uchar nl[4];                 /* Newline string when fixed length */
2409  } compile_data;  } compile_data;
2410    
2411  /* Structure for maintaining a chain of pointers to the currently incomplete  /* Structure for maintaining a chain of pointers to the currently incomplete
2412  branches, for testing for left recursion. */  branches, for testing for left recursion while compiling. */
2413    
2414  typedef struct branch_chain {  typedef struct branch_chain {
2415    struct branch_chain *outer;    struct branch_chain *outer;
2416    uschar *current;    pcre_uchar *current_branch;
2417  } branch_chain;  } branch_chain;
2418    
2419  /* Structure for items in a linked list that represents an explicit recursive  /* Structure for items in a linked list that represents an explicit recursive
2420  call within the pattern. */  call within the pattern; used by pcre_exec(). */
2421    
2422  typedef struct recursion_info {  typedef struct recursion_info {
2423    struct recursion_info *prevrec; /* Previous recursion record (or NULL) */    struct recursion_info *prevrec; /* Previous recursion record (or NULL) */
2424    int group_num;                /* Number of group that was called */    int group_num;                  /* Number of group that was called */
2425    const uschar *after_call;     /* "Return value": points after the call in the expr */    int *offset_save;               /* Pointer to start of saved offsets */
2426    USPTR save_start;             /* Old value of md->start_match */    int saved_max;                  /* Number of saved offsets */
2427    int *offset_save;             /* Pointer to start of saved offsets */    PCRE_PUCHAR subject_position;   /* Position at start of recursion */
   int saved_max;                /* Number of saved offsets */  
2428  } recursion_info;  } recursion_info;
2429    
2430  /* When compiling in a mode that doesn't use recursive calls to match(),  /* A similar structure for pcre_dfa_exec(). */
 a structure is used to remember local variables on the heap. It is defined in  
 pcre_exec.c, close to the match() function, so that it is easy to keep it in  
 step with any changes of local variable. However, the pointer to the current  
 frame must be saved in some "static" place over a longjmp(). We declare the  
 structure here so that we can put a pointer in the match_data structure. NOTE:  
 This isn't used for a "normal" compilation of pcre. */  
2431    
2432  struct heapframe;  typedef struct dfa_recursion_info {
2433      struct dfa_recursion_info *prevrec;
2434      int group_num;
2435      PCRE_PUCHAR subject_position;
2436    } dfa_recursion_info;
2437    
2438  /* Structure for building a chain of data for holding the values of the subject  /* Structure for building a chain of data for holding the values of the subject
2439  pointer at the start of each subpattern, so as to detect when an empty string  pointer at the start of each subpattern, so as to detect when an empty string
2440  has been matched by a subpattern - to break infinite loops. */  has been matched by a subpattern - to break infinite loops; used by
2441    pcre_exec(). */
2442    
2443  typedef struct eptrblock {  typedef struct eptrblock {
2444    struct eptrblock *epb_prev;    struct eptrblock *epb_prev;
2445    USPTR epb_saved_eptr;    PCRE_PUCHAR epb_saved_eptr;
2446  } eptrblock;  } eptrblock;
2447    
2448    
# Line 922  typedef struct match_data { Line 2453  typedef struct match_data {
2453    unsigned long int match_call_count;      /* As it says */    unsigned long int match_call_count;      /* As it says */
2454    unsigned long int match_limit;           /* As it says */    unsigned long int match_limit;           /* As it says */
2455    unsigned long int match_limit_recursion; /* As it says */    unsigned long int match_limit_recursion; /* As it says */
2456    int   *offset_vector;         /* Offset vector */    int   *offset_vector;           /* Offset vector */
2457    int    offset_end;            /* One past the end */    int    offset_end;              /* One past the end */
2458    int    offset_max;            /* The maximum usable for return data */    int    offset_max;              /* The maximum usable for return data */
2459    int    nltype;                /* Newline type */    int    nltype;                  /* Newline type */
2460    int    nllen;                 /* Newline string length */    int    nllen;                   /* Newline string length */
2461    uschar nl[4];                 /* Newline string when fixed */    int    name_count;              /* Number of names in name table */
2462    const uschar *lcc;            /* Points to lower casing table */    int    name_entry_size;         /* Size of entry in names table */
2463    const uschar *ctypes;         /* Points to table of type maps */    pcre_uchar *name_table;         /* Table of names */
2464    BOOL   offset_overflow;       /* Set if too many extractions */    pcre_uchar nl[4];               /* Newline string when fixed */
2465    BOOL   notbol;                /* NOTBOL flag */    const  pcre_uint8 *lcc;         /* Points to lower casing table */
2466    BOOL   noteol;                /* NOTEOL flag */    const  pcre_uint8 *fcc;         /* Points to case-flipping table */
2467    BOOL   utf8;                  /* UTF8 flag */    const  pcre_uint8 *ctypes;      /* Points to table of type maps */
2468    BOOL   endonly;               /* Dollar not before final \n */    BOOL   offset_overflow;         /* Set if too many extractions */
2469    BOOL   notempty;              /* Empty string match not wanted */    BOOL   notbol;                  /* NOTBOL flag */
2470    BOOL   partial;               /* PARTIAL flag */    BOOL   noteol;                  /* NOTEOL flag */
2471    BOOL   hitend;                /* Hit the end of the subject at some point */    BOOL   utf;                     /* UTF-8 / UTF-16 flag */
2472    const uschar *start_code;     /* For use when recursing */    BOOL   jscript_compat;          /* JAVASCRIPT_COMPAT flag */
2473    USPTR  start_subject;         /* Start of the subject string */    BOOL   use_ucp;                 /* PCRE_UCP flag */
2474    USPTR  end_subject;           /* End of the subject string */    BOOL   endonly;                 /* Dollar not before final \n */
2475    USPTR  start_match;           /* Start of this match attempt */    BOOL   notempty;                /* Empty string match not wanted */
2476    USPTR  end_match_ptr;         /* Subject position at end match */    BOOL   notempty_atstart;        /* Empty string match at start not wanted */
2477    int    end_offset_top;        /* Highwater mark at end of match */    BOOL   hitend;                  /* Hit the end of the subject at some point */
2478    int    capture_last;          /* Most recent capture number */    BOOL   bsr_anycrlf;             /* \R is just any CRLF, not full Unicode */
2479    int    start_offset;          /* The start offset value */    BOOL   hasthen;                 /* Pattern contains (*THEN) */
2480    eptrblock *eptrchain;         /* Chain of eptrblocks for tail recursions */    BOOL   ignore_skip_arg;         /* For re-run when SKIP name not found */
2481    int    eptrn;                 /* Next free eptrblock */    const  pcre_uchar *start_code;  /* For use when recursing */
2482    recursion_info *recursive;    /* Linked list of recursion data */    PCRE_PUCHAR start_subject;      /* Start of the subject string */
2483    void  *callout_data;          /* To pass back to callouts */    PCRE_PUCHAR end_subject;        /* End of the subject string */
2484    struct heapframe *thisframe;  /* Used only when compiling for no recursion */    PCRE_PUCHAR start_match_ptr;    /* Start of matched string */
2485      PCRE_PUCHAR end_match_ptr;      /* Subject position at end match */
2486      PCRE_PUCHAR start_used_ptr;     /* Earliest consulted character */
2487      int    partial;                 /* PARTIAL options */
2488      int    end_offset_top;          /* Highwater mark at end of match */
2489      int    capture_last;            /* Most recent capture number */
2490      int    start_offset;            /* The start offset value */
2491      int    match_function_type;     /* Set for certain special calls of MATCH() */
2492      eptrblock *eptrchain;           /* Chain of eptrblocks for tail recursions */
2493      int    eptrn;                   /* Next free eptrblock */
2494      recursion_info *recursive;      /* Linked list of recursion data */
2495      void  *callout_data;            /* To pass back to callouts */
2496      const  pcre_uchar *mark;        /* Mark pointer to pass back on success */
2497      const  pcre_uchar *nomatch_mark;/* Mark pointer to pass back on failure */
2498      const  pcre_uchar *once_target; /* Where to back up to for atomic groups */
2499    #ifdef NO_RECURSE
2500      void  *match_frames_base;       /* For remembering malloc'd frames */
2501    #endif
2502  } match_data;  } match_data;
2503    
2504  /* A similar structure is used for the same purpose by the DFA matching  /* A similar structure is used for the same purpose by the DFA matching
2505  functions. */  functions. */
2506    
2507  typedef struct dfa_match_data {  typedef struct dfa_match_data {
2508    const uschar *start_code;     /* Start of the compiled pattern */    const pcre_uchar *start_code;     /* Start of the compiled pattern */
2509    const uschar *start_subject;  /* Start of the subject string */    const pcre_uchar *start_subject ; /* Start of the subject string */
2510    const uschar *end_subject;    /* End of subject string */    const pcre_uchar *end_subject;    /* End of subject string */
2511    const uschar *tables;         /* Character tables */    const pcre_uchar *start_used_ptr; /* Earliest consulted character */
2512    int   moptions;               /* Match options */    const pcre_uint8 *tables;         /* Character tables */
2513    int   poptions;               /* Pattern options */    int   start_offset;               /* The start offset value */
2514    int    nltype;                /* Newline type */    int   moptions;                   /* Match options */
2515    int    nllen;                 /* Newline string length */    int   poptions;                   /* Pattern options */
2516    uschar nl[4];                 /* Newline string when fixed */    int   nltype;                     /* Newline type */
2517    void  *callout_data;          /* To pass back to callouts */    int   nllen;                      /* Newline string length */
2518      pcre_uchar nl[4];                 /* Newline string when fixed */
2519      void *callout_data;               /* To pass back to callouts */
2520      dfa_recursion_info *recursive;    /* Linked list of recursion data */
2521  } dfa_match_data;  } dfa_match_data;
2522    
2523  /* Bit definitions for entries in the pcre_ctypes table. */  /* Bit definitions for entries in the pcre_ctypes table. */
# Line 975  typedef struct dfa_match_data { Line 2526  typedef struct dfa_match_data {
2526  #define ctype_letter  0x02  #define ctype_letter  0x02
2527  #define ctype_digit   0x04  #define ctype_digit   0x04
2528  #define ctype_xdigit  0x08  #define ctype_xdigit  0x08
2529  #define ctype_word    0x10   /* alphameric or '_' */  #define ctype_word    0x10   /* alphanumeric or '_' */
2530  #define ctype_meta    0x80   /* regexp meta char or zero (end pattern) */  #define ctype_meta    0x80   /* regexp meta char or zero (end pattern) */
2531    
2532  /* Offsets for the bitmap tables in pcre_cbits. Each table contains a set  /* Offsets for the bitmap tables in pcre_cbits. Each table contains a set
# Line 1002  total length. */ Line 2553  total length. */
2553  #define ctypes_offset (cbits_offset + cbit_length)  #define ctypes_offset (cbits_offset + cbit_length)
2554  #define tables_length (ctypes_offset + 256)  #define tables_length (ctypes_offset + 256)
2555    
2556    /* Internal function and data prefixes. */
2557    
2558    #if defined COMPILE_PCRE8
2559    #ifndef PUBL
2560    #define PUBL(name) pcre_##name
2561    #endif
2562    #ifndef PRIV
2563    #define PRIV(name) _pcre_##name
2564    #endif
2565    #elif defined COMPILE_PCRE16
2566    #ifndef PUBL
2567    #define PUBL(name) pcre16_##name
2568    #endif
2569    #ifndef PRIV
2570    #define PRIV(name) _pcre16_##name
2571    #endif
2572    #elif defined COMPILE_PCRE32
2573    #ifndef PUBL
2574    #define PUBL(name) pcre32_##name
2575    #endif
2576    #ifndef PRIV
2577    #define PRIV(name) _pcre32_##name
2578    #endif
2579    #else
2580    #error Unsupported compiling mode
2581    #endif /* COMPILE_PCRE[8|16|32] */
2582    
2583  /* Layout of the UCP type table that translates property names into types and  /* Layout of the UCP type table that translates property names into types and
2584  codes. */  codes. Each entry used to point directly to a name, but to reduce the number of
2585    relocations in shared libraries, it now has an offset into a single string
2586    instead. */
2587    
2588  typedef struct {  typedef struct {
2589    const char *name;    pcre_uint16 name_offset;
2590    pcre_uint16 type;    pcre_uint16 type;
2591    pcre_uint16 value;    pcre_uint16 value;
2592  } ucp_type_table;  } ucp_type_table;
# Line 1017  of the exported public functions. They h Line 2597  of the exported public functions. They h
2597  but are not part of the PCRE public API. The data for these tables is in the  but are not part of the PCRE public API. The data for these tables is in the
2598  pcre_tables.c module. */  pcre_tables.c module. */
2599    
2600  extern const int    _pcre_utf8_table1[];  #ifdef COMPILE_PCRE8
2601  extern const int    _pcre_utf8_table2[];  extern const int            PRIV(utf8_table1)[];
2602  extern const int    _pcre_utf8_table3[];  extern const int            PRIV(utf8_table1_size);
2603  extern const uschar _pcre_utf8_table4[];  extern const int            PRIV(utf8_table2)[];
2604    extern const int            PRIV(utf8_table3)[];
2605  extern const int    _pcre_utf8_table1_size;  extern const pcre_uint8     PRIV(utf8_table4)[];
2606    #endif /* COMPILE_PCRE8 */
2607  extern const ucp_type_table _pcre_utt[];  
2608  extern const int _pcre_utt_size;  extern const char           PRIV(utt_names)[];
2609    extern const ucp_type_table PRIV(utt)[];
2610    extern const int            PRIV(utt_size);
2611    
2612  extern const uschar _pcre_default_tables[];  extern const pcre_uint8     PRIV(OP_lengths)[];
2613    extern const pcre_uint8     PRIV(default_tables)[];
2614    
2615  extern const uschar _pcre_OP_lengths[];  extern const pcre_uint32    PRIV(hspace_list)[];
2616    extern const pcre_uint32    PRIV(vspace_list)[];
2617    
2618    
2619  /* Internal shared functions. These are functions that are used by more than  /* Internal shared functions. These are functions that are used by more than
2620  one of the exported public functions. They have to be "external" in the C  one of the exported public functions. They have to be "external" in the C
2621  sense, but are not part of the PCRE public API. */  sense, but are not part of the PCRE public API. */
2622    
2623  extern BOOL         _pcre_is_newline(const uschar *, const uschar *, int *,  /* String comparison functions. */
2624                        BOOL);  #if defined COMPILE_PCRE8
2625  extern int          _pcre_ord2utf8(int, uschar *);  
2626  extern real_pcre   *_pcre_try_flipped(const real_pcre *, real_pcre *,  #define STRCMP_UC_UC(str1, str2) \
2627                        const pcre_study_data *, pcre_study_data *);    strcmp((char *)(str1), (char *)(str2))
2628  extern int          _pcre_ucp_findprop(const unsigned int, int *, int *);  #define STRCMP_UC_C8(str1, str2) \
2629  extern unsigned int _pcre_ucp_othercase(const unsigned int);    strcmp((char *)(str1), (str2))
2630  extern int          _pcre_valid_utf8(const uschar *, int);  #define STRNCMP_UC_UC(str1, str2, num) \
2631  extern BOOL         _pcre_was_newline(const uschar *, const uschar *, int *,    strncmp((char *)(str1), (char *)(str2), (num))
2632                        BOOL);  #define STRNCMP_UC_C8(str1, str2, num) \
2633  extern BOOL         _pcre_xclass(int, const uschar *);    strncmp((char *)(str1), (str2), (num))
2634    #define STRLEN_UC(str) strlen((const char *)str)
2635    
2636    #elif defined COMPILE_PCRE16 || defined COMPILE_PCRE32
2637    
2638    extern int               PRIV(strcmp_uc_uc)(const pcre_uchar *,
2639                               const pcre_uchar *);
2640    extern int               PRIV(strcmp_uc_c8)(const pcre_uchar *,
2641                               const char *);
2642    extern int               PRIV(strncmp_uc_uc)(const pcre_uchar *,
2643                               const pcre_uchar *, unsigned int num);
2644    extern int               PRIV(strncmp_uc_c8)(const pcre_uchar *,
2645                               const char *, unsigned int num);
2646    extern unsigned int      PRIV(strlen_uc)(const pcre_uchar *str);
2647    
2648    #define STRCMP_UC_UC(str1, str2) \
2649      PRIV(strcmp_uc_uc)((str1), (str2))
2650    #define STRCMP_UC_C8(str1, str2) \
2651      PRIV(strcmp_uc_c8)((str1), (str2))
2652    #define STRNCMP_UC_UC(str1, str2, num) \
2653      PRIV(strncmp_uc_uc)((str1), (str2), (num))
2654    #define STRNCMP_UC_C8(str1, str2, num) \
2655      PRIV(strncmp_uc_c8)((str1), (str2), (num))
2656    #define STRLEN_UC(str) PRIV(strlen_uc)(str)
2657    
2658    #endif /* COMPILE_PCRE[8|16|32] */
2659    
2660    #if defined COMPILE_PCRE8 || defined COMPILE_PCRE16
2661    
2662    #define STRCMP_UC_UC_TEST(str1, str2) STRCMP_UC_UC(str1, str2)
2663    #define STRCMP_UC_C8_TEST(str1, str2) STRCMP_UC_C8(str1, str2)
2664    
2665    #elif defined COMPILE_PCRE32
2666    
2667    extern int               PRIV(strcmp_uc_uc_utf)(const pcre_uchar *,
2668                               const pcre_uchar *);
2669    extern int               PRIV(strcmp_uc_c8_utf)(const pcre_uchar *,
2670                               const char *);
2671    
2672    #define STRCMP_UC_UC_TEST(str1, str2) \
2673      (utf ? PRIV(strcmp_uc_uc_utf)((str1), (str2)) : PRIV(strcmp_uc_uc)((str1), (str2)))
2674    #define STRCMP_UC_C8_TEST(str1, str2) \
2675      (utf ? PRIV(strcmp_uc_c8_utf)((str1), (str2)) : PRIV(strcmp_uc_c8)((str1), (str2)))
2676    
2677    #endif /* COMPILE_PCRE[8|16|32] */
2678    
2679    extern const pcre_uchar *PRIV(find_bracket)(const pcre_uchar *, BOOL, int);
2680    extern BOOL              PRIV(is_newline)(PCRE_PUCHAR, int, PCRE_PUCHAR,
2681                               int *, BOOL);
2682    extern int               PRIV(ord2utf)(pcre_uint32, pcre_uchar *);
2683    extern int               PRIV(valid_utf)(PCRE_PUCHAR, int, int *);
2684    extern BOOL              PRIV(was_newline)(PCRE_PUCHAR, int, PCRE_PUCHAR,
2685                               int *, BOOL);
2686    extern BOOL              PRIV(xclass)(pcre_uint32, const pcre_uchar *, BOOL);
2687    
2688    #ifdef SUPPORT_JIT
2689    extern void              PRIV(jit_compile)(const REAL_PCRE *,
2690                               PUBL(extra) *, int);
2691    extern int               PRIV(jit_exec)(const REAL_PCRE *, const PUBL(extra) *,
2692                               const pcre_uchar *, int, int, int, int *, int);
2693    extern void              PRIV(jit_free)(void *);
2694    extern int               PRIV(jit_get_size)(void *);
2695    extern const char*       PRIV(jit_get_target)(void);
2696    #endif
2697    
2698    /* Unicode character database (UCD) */
2699    
2700    typedef struct {
2701      pcre_uint8 script;     /* ucp_Arabic, etc. */
2702      pcre_uint8 chartype;   /* ucp_Cc, etc. (general categories) */
2703      pcre_uint8 gbprop;     /* ucp_gbControl, etc. (grapheme break property) */
2704      pcre_uint8 caseset;    /* offset to multichar other cases or zero */
2705      pcre_int32 other_case; /* offset to other case, or zero if none */
2706    } ucd_record;
2707    
2708    extern const pcre_uint32 PRIV(ucd_caseless_sets)[];
2709    extern const ucd_record  PRIV(ucd_records)[];
2710    extern const pcre_uint8  PRIV(ucd_stage1)[];
2711    extern const pcre_uint16 PRIV(ucd_stage2)[];
2712    extern const int         PRIV(ucp_gentype)[];
2713    extern const pcre_uint32 PRIV(ucp_gbtable)[];
2714    #ifdef SUPPORT_JIT
2715    extern const int         PRIV(ucp_typerange)[];
2716    #endif
2717    
2718    #ifdef SUPPORT_UCP
2719    /* UCD access macros */
2720    
2721    #define UCD_BLOCK_SIZE 128
2722    #define GET_UCD(ch) (PRIV(ucd_records) + \
2723            PRIV(ucd_stage2)[PRIV(ucd_stage1)[(int)(ch) / UCD_BLOCK_SIZE] * \
2724            UCD_BLOCK_SIZE + (int)(ch) % UCD_BLOCK_SIZE])
2725    
2726    #define UCD_CHARTYPE(ch)    GET_UCD(ch)->chartype
2727    #define UCD_SCRIPT(ch)      GET_UCD(ch)->script
2728    #define UCD_CATEGORY(ch)    PRIV(ucp_gentype)[UCD_CHARTYPE(ch)]
2729    #define UCD_GRAPHBREAK(ch)  GET_UCD(ch)->gbprop
2730    #define UCD_CASESET(ch)     GET_UCD(ch)->caseset
2731    #define UCD_OTHERCASE(ch)   ((pcre_uint32)((int)ch + (int)(GET_UCD(ch)->other_case)))
2732    
2733    #endif /* SUPPORT_UCP */
2734    
2735  #endif  #endif
2736    

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