/[pcre]/code/trunk/pcre_internal.h
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revision 149 by ph10, Mon Apr 16 15:28:08 2007 UTC revision 166 by ph10, Wed May 9 14:48:28 2007 UTC
# Line 86  setjmp and stdarg are used is when NO_RE Line 86  setjmp and stdarg are used is when NO_RE
86  /* When compiling a DLL for Windows, the exported symbols have to be declared  /* When compiling a DLL for Windows, the exported symbols have to be declared
87  using some MS magic. I found some useful information on this web page:  using some MS magic. I found some useful information on this web page:
88  http://msdn2.microsoft.com/en-us/library/y4h7bcy6(VS.80).aspx. According to the  http://msdn2.microsoft.com/en-us/library/y4h7bcy6(VS.80).aspx. According to the
89  information there, using __declspec(dllesport) without "extern" we have a  information there, using __declspec(dllexport) without "extern" we have a
90  definition; with "extern" we have a declaration. The settings here override the  definition; with "extern" we have a declaration. The settings here override the
91  setting in pcre.h (which is included below); it defines only PCRE_EXP_DECL,  setting in pcre.h (which is included below); it defines only PCRE_EXP_DECL,
92  which is all that is needed for applications, which import the symbols. We use:  which is all that is needed for applications (they just import the symbols). We
93    use:
94    
95    PCRE_EXP_DECL       for declarations    PCRE_EXP_DECL       for declarations
96    PCRE_EXP_DEFN       for definitions of exported functions    PCRE_EXP_DEFN       for definitions of exported functions
# Line 102  Windows, the two should always be the sa Line 103  Windows, the two should always be the sa
103    
104  The reason for wrapping this in #ifndef PCRE_EXP_DECL is so that pcretest,  The reason for wrapping this in #ifndef PCRE_EXP_DECL is so that pcretest,
105  which is an application, but needs to import this file in order to "peek" at  which is an application, but needs to import this file in order to "peek" at
106  internals, can #include pcre.h first, can get an application's-eye view.  internals, can #include pcre.h first to get an application's-eye view.
107    
108  In principle, people compiling for non-Windows, non-Unix-like (i.e. uncommon,  In principle, people compiling for non-Windows, non-Unix-like (i.e. uncommon,
109  special-purpose environments) might want to stick other stuff in front of  special-purpose environments) might want to stick other stuff in front of
# Line 854  enum { ERR0, ERR1, ERR2, ERR3, ERR4, Line 855  enum { ERR0, ERR1, ERR2, ERR3, ERR4,
855         ERR20, ERR21, ERR22, ERR23, ERR24, ERR25, ERR26, ERR27, ERR28, ERR29,         ERR20, ERR21, ERR22, ERR23, ERR24, ERR25, ERR26, ERR27, ERR28, ERR29,
856         ERR30, ERR31, ERR32, ERR33, ERR34, ERR35, ERR36, ERR37, ERR38, ERR39,         ERR30, ERR31, ERR32, ERR33, ERR34, ERR35, ERR36, ERR37, ERR38, ERR39,
857         ERR40, ERR41, ERR42, ERR43, ERR44, ERR45, ERR46, ERR47, ERR48, ERR49,         ERR40, ERR41, ERR42, ERR43, ERR44, ERR45, ERR46, ERR47, ERR48, ERR49,
858         ERR50, ERR51, ERR52, ERR53, ERR54, ERR55, ERR56, ERR57 };         ERR50, ERR51, ERR52, ERR53, ERR54, ERR55, ERR56, ERR57, ERR58 };
859    
860  /* 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
861  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 948  typedef struct recursion_info { Line 949  typedef struct recursion_info {
949    int saved_max;                /* Number of saved offsets */    int saved_max;                /* Number of saved offsets */
950  } recursion_info;  } recursion_info;
951    
 /* When compiling in a mode that doesn't use recursive calls to match(),  
 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. */  
   
 struct heapframe;  
   
952  /* 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
953  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
954  has been matched by a subpattern - to break infinite loops. */  has been matched by a subpattern - to break infinite loops. */
# Line 1003  typedef struct match_data { Line 994  typedef struct match_data {
994    int    eptrn;                 /* Next free eptrblock */    int    eptrn;                 /* Next free eptrblock */
995    recursion_info *recursive;    /* Linked list of recursion data */    recursion_info *recursive;    /* Linked list of recursion data */
996    void  *callout_data;          /* To pass back to callouts */    void  *callout_data;          /* To pass back to callouts */
   struct heapframe *thisframe;  /* Used only when compiling for no recursion */  
997  } match_data;  } match_data;
998    
999  /* 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
# Line 1089  extern const uschar _pcre_OP_lengths[]; Line 1079  extern const uschar _pcre_OP_lengths[];
1079  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
1080  sense, but are not part of the PCRE public API. */  sense, but are not part of the PCRE public API. */
1081    
1082  extern BOOL         _pcre_is_newline(const uschar *, int, const uschar *,  extern BOOL         _pcre_is_newline(const uschar *, int, const uschar *,
1083                        int *, BOOL);                        int *, BOOL);
1084  extern int          _pcre_ord2utf8(int, uschar *);  extern int          _pcre_ord2utf8(int, uschar *);
1085  extern real_pcre   *_pcre_try_flipped(const real_pcre *, real_pcre *,  extern real_pcre   *_pcre_try_flipped(const real_pcre *, real_pcre *,
# Line 1097  extern real_pcre *_pcre_try_flipped(co Line 1087  extern real_pcre *_pcre_try_flipped(co
1087  extern int          _pcre_ucp_findprop(const unsigned int, int *, int *);  extern int          _pcre_ucp_findprop(const unsigned int, int *, int *);
1088  extern unsigned int _pcre_ucp_othercase(const unsigned int);  extern unsigned int _pcre_ucp_othercase(const unsigned int);
1089  extern int          _pcre_valid_utf8(const uschar *, int);  extern int          _pcre_valid_utf8(const uschar *, int);
1090  extern BOOL         _pcre_was_newline(const uschar *, int, const uschar *,  extern BOOL         _pcre_was_newline(const uschar *, int, const uschar *,
1091                        int *, BOOL);                        int *, BOOL);
1092  extern BOOL         _pcre_xclass(int, const uschar *);  extern BOOL         _pcre_xclass(int, const uschar *);
1093    
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