X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/fb38d079f941c715cfb0486ced0d003ca5964c75..3c1cb5e0e01f3d9ac05f92eeb0a10aa675224e18:/perl.h diff --git a/perl.h b/perl.h index 11cfc75..9d2611f 100644 --- a/perl.h +++ b/perl.h @@ -1,7 +1,7 @@ /* perl.h * * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, - * 2000, 2001, 2002, 2003, 2004, 2005 by Larry Wall and others + * 2000, 2001, 2002, 2003, 2004, 2005, 2006, by Larry Wall and others * * You may distribute under the terms of either the GNU General Public * License or the Artistic License, as specified in the README file. @@ -34,7 +34,11 @@ #ifdef PERL_MICRO # include "uconfig.h" #else -# include "config.h" +# ifndef USE_CROSS_COMPILE +# include "config.h" +# else +# include "xconfig.h" +# endif #endif /* See L for detailed notes on @@ -59,23 +63,24 @@ # endif #endif -#if defined(MULTIPLICITY) -# ifndef PERL_IMPLICIT_CONTEXT -# define PERL_IMPLICIT_CONTEXT -# endif -#endif - #ifdef PERL_GLOBAL_STRUCT_PRIVATE # ifndef PERL_GLOBAL_STRUCT # define PERL_GLOBAL_STRUCT # endif #endif + #ifdef PERL_GLOBAL_STRUCT # ifndef MULTIPLICITY # define MULTIPLICITY # endif #endif +#ifdef MULTIPLICITY +# ifndef PERL_IMPLICIT_CONTEXT +# define PERL_IMPLICIT_CONTEXT +# endif +#endif + /* undef WIN32 when building on Cygwin (for libwin32) - gph */ #ifdef __CYGWIN__ # undef WIN32 @@ -148,12 +153,13 @@ # ifndef MULTIPLICITY # define MULTIPLICITY # endif -# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL +# define tTHX PerlInterpreter* +# define pTHX register tTHX my_perl PERL_UNUSED_DECL # define aTHX my_perl # ifdef PERL_GLOBAL_STRUCT -# define dTHXa(a) dVAR; pTHX = (PerlInterpreter*)a +# define dTHXa(a) dVAR; pTHX = (tTHX)a # else -# define dTHXa(a) pTHX = (PerlInterpreter*)a +# define dTHXa(a) pTHX = (tTHX)a # endif # ifdef PERL_GLOBAL_STRUCT # define dTHX dVAR; pTHX = PERL_GET_THX @@ -171,6 +177,11 @@ # define pTHX_7 8 # define pTHX_8 9 # define pTHX_9 10 +# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL) +# define PERL_TRACK_MEMPOOL +# endif +#else +# undef PERL_TRACK_MEMPOOL #endif #define STATIC static @@ -190,10 +201,17 @@ #define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string) #define CALLREGFREE CALL_FPTR(PL_regfree) -/* XXX The PERL_UNUSED_DECL suffix is unfortunately rather inflexible: - * it assumes that in all compilers the way to suppress an "unused" - * warning is to have a suffix. In some compilers that might be a - * a compiler pragma, e.g. #pragma unused(varname). */ +/* + * Because of backward compatibility reasons the PERL_UNUSED_DECL + * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh. + * + * Note that there are C compilers such as MetroWerks CodeWarrior + * which do not have an "inlined" way (like the gcc __attribute__) of + * marking unused variables (they need e.g. a #pragma) and therefore + * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even + * if it were PERL_UNUSED_DECL(x), which it cannot be (see above). + * + */ #if defined(__SYMBIAN32__) && defined(__GNUC__) # ifdef __cplusplus @@ -204,7 +222,7 @@ #endif #ifndef PERL_UNUSED_DECL -# ifdef HASATTRIBUTE_UNUSED +# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus) # define PERL_UNUSED_DECL __attribute__unused__ # else # define PERL_UNUSED_DECL @@ -216,7 +234,7 @@ * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs */ #ifndef PERL_UNUSED_ARG -# ifdef lint +# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */ # include # define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x)) # else @@ -227,10 +245,23 @@ # define PERL_UNUSED_VAR(x) ((void)x) #endif -#define NOOP (void)0 -#define dNOOP extern int Perl___notused PERL_UNUSED_DECL +#ifdef USE_ITHREADS +# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl) +#else +# define PERL_UNUSED_CONTEXT +#endif + +#define NOOP /*EMPTY*/(void)0 +#if !defined(HASATTRIBUTE_UNUSED) && defined(__cplusplus) +#define dNOOP /*EMPTY*/(void)0 /* Older g++ has no __attribute((unused))__ */ +#else +#define dNOOP extern int /*@unused@*/ Perl___notused PERL_UNUSED_DECL +#endif #ifndef pTHX +/* Don't bother defining tTHX and sTHX; using them outside + * code guarded by PERL_IMPLICIT_CONTEXT is an error. + */ # define pTHX void # define pTHX_ # define aTHX @@ -320,12 +351,21 @@ register struct op *Perl_op asm(stringify(OP_IN_REGISTER)); # endif #endif -#if defined(__STRICT_ANSI__) && defined(PERL_GCC_PEDANTIC) -# if !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) +/* gcc (-ansi) -pedantic doesn't allow gcc brace groups, + * g++ allows them but seems to have problems with them + * (insane errors ensue). */ +#if defined(PERL_GCC_PEDANTIC) || (defined(__GNUC__) && defined(__cplusplus)) +# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN # define PERL_GCC_BRACE_GROUPS_FORBIDDEN # endif #endif +#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus) +# ifndef PERL_USE_GCC_BRACE_GROUPS +# define PERL_USE_GCC_BRACE_GROUPS +# endif +#endif + /* * STMT_START { statements; } STMT_END; * can be used as a single statement, as in @@ -334,7 +374,7 @@ register struct op *Perl_op asm(stringify(OP_IN_REGISTER)); * Trying to select a version that gives no warnings... */ #if !(defined(STMT_START) && defined(STMT_END)) -# if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus) +# ifdef PERL_USE_GCC_BRACE_GROUPS # define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */ # define STMT_END ) # else @@ -352,16 +392,6 @@ register struct op *Perl_op asm(stringify(OP_IN_REGISTER)); #define WITH_THX(s) STMT_START { dTHX; s; } STMT_END #define WITH_THR(s) WITH_THX(s) -/* - * SOFT_CAST can be used for args to prototyped functions to retain some - * type checking; it only casts if the compiler does not know prototypes. - */ -#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE) -#define SOFT_CAST(type) -#else -#define SOFT_CAST(type) (type) -#endif - #ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */ # define BYTEORDER 0x1234 #endif @@ -412,7 +442,7 @@ register struct op *Perl_op asm(stringify(OP_IN_REGISTER)); #define TAINT_NOT (PL_tainted = FALSE) #define TAINT_IF(c) if (c) { PL_tainted = TRUE; } #define TAINT_ENV() if (PL_tainting) { taint_env(); } -#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); } +#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); } /* XXX All process group stuff is handled in pp_sys.c. Should these defines move there? If so, I could simplify this a lot. --AD 9/96. @@ -812,7 +842,17 @@ int usleep(unsigned int); /* We no longer default to creating a new SV for GvSV. Do this before embed. */ #ifndef PERL_CREATE_GVSV -#define PERL_DONT_CREATE_GVSV +# ifndef PERL_DONT_CREATE_GVSV +# define PERL_DONT_CREATE_GVSV +# endif +#endif + +#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME) +#define PERL_USES_PL_PIDSTATUS +#endif + +#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__) && !defined(MACOS_TRADITIONAL) +#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION #endif /* Cannot include embed.h here on Win32 as win32.h has not @@ -820,6 +860,10 @@ int usleep(unsigned int); */ #if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS)) # include "embed.h" +# ifndef PERL_MAD +# undef op_getmad +# define op_getmad(arg,pegop,slot) NOOP +# endif #endif #define MEM_SIZE Size_t @@ -1402,6 +1446,67 @@ int sockatmark(int); # define sprintf UTS_sprintf_wrap #endif +/* For the times when you want the return value of sprintf, and you want it + to be the length. Can't have a thread variable passed in, because C89 has + no varargs macros. +*/ +#ifdef SPRINTF_RETURNS_STRLEN +# define my_sprintf sprintf +#else +# define my_sprintf Perl_my_sprintf +#endif + +/* + * If we have v?snprintf() and the C99 variadic macros, we can just + * use just the v?snprintf(). It is nice to try to trap the buffer + * overflow, however, so if we are DEBUGGING, and we cannot use the + * gcc brace groups, then use the function wrappers which try to trap + * the overflow. If we can use the gcc brace groups, we can try that + * even with the version that uses the C99 variadic macros. + */ + +/* Note that we do not check against snprintf()/vsnprintf() returning + * negative values because that is non-standard behaviour and we use + * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and + * that should be true only if the snprintf()/vsnprintf() are true + * to the standard. */ + +#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) +# ifdef PERL_USE_GCC_BRACE_GROUPS +# define my_snprintf(buffer, len, ...) ({ int __len__ = snprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (len)) Perl_croak(aTHX_ "panic: snprintf buffer overflow"); __len__; }) +# define PERL_MY_SNPRINTF_GUARDED +# else +# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__) +# endif +#else +# define my_snprintf Perl_my_snprintf +# define PERL_MY_SNPRINTF_GUARDED +#endif + +#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) +# ifdef PERL_USE_GCC_BRACE_GROUPS +# define my_vsnprintf(buffer, len, ...) ({ int __len__ = vsnprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (len)) Perl_croak(aTHX_ "panic: vsnprintf buffer overflow"); __len__; }) +# define PERL_MY_VSNPRINTF_GUARDED +# else +# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__) +# endif +#else +# define my_vsnprintf Perl_my_vsnprintf +# define PERL_MY_VSNPRINTF_GUARDED +#endif + +#ifdef HAS_STRLCAT +# define my_strlcat strlcat +#else +# define my_strlcat Perl_my_strlcat +#endif + +#ifdef HAS_STRLCPY +# define my_strlcpy strlcpy +#else +# define my_strlcpy Perl_my_strlcpy +#endif + /* Configure gets this right but the UTS compiler gets it wrong. -- Hal Morris */ #ifdef UTS @@ -2112,9 +2217,15 @@ int isnan(double d); #endif struct RExC_state_t; +struct _reg_trie_data; typedef MEM_SIZE STRLEN; +#ifdef PERL_MAD +typedef struct token TOKEN; +typedef struct madprop MADPROP; +typedef struct nexttoken NEXTTOKE; +#endif typedef struct op OP; typedef struct cop COP; typedef struct unop UNOP; @@ -2290,6 +2401,10 @@ typedef struct clone_params CLONE_PARAMS; #if defined(VMS) # include "vmsish.h" # include "embed.h" +# ifndef PERL_MAD +# undef op_getmad +# define op_getmad(arg,pegop,slot) NOOP +# endif # define ISHISH "vms" #endif @@ -2320,6 +2435,10 @@ typedef struct clone_params CLONE_PARAMS; #ifdef __SYMBIAN32__ # include "symbian/symbianish.h" # include "embed.h" +# ifndef PERL_MAD +# undef op_getmad +# define op_getmad(arg,pegop,slot) NOOP +# endif # define ISHISH "symbian" #endif @@ -2467,12 +2586,15 @@ typedef struct clone_params CLONE_PARAMS; * http://www.ohse.de/uwe/articles/gcc-attributes.html, * but contrary to this information warn_unused_result seems * not to be in gcc 3.3.5, at least. --jhi + * Also, when building extensions with an installed perl, this allows + * the user to upgrade gcc and get the right attributes, rather than + * relying on the list generated at Configure time. --AD * Set these up now otherwise we get confused when some of the <*thread.h> * includes below indirectly pull in (which needs to know if we * have HASATTRIBUTE_FORMAT). */ -#if defined __GNUC__ +#if defined __GNUC__ && !defined(__INTEL_COMPILER) # if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */ # define HASATTRIBUTE_FORMAT # endif @@ -2488,9 +2610,12 @@ typedef struct clone_params CLONE_PARAMS; # if __GNUC__ >= 3 /* gcc 3.0 -> */ # define HASATTRIBUTE_PURE # endif -# if __GNUC__ >= 3 /* gcc 3.0 -> */ /* XXX Verify this version */ +# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */ # define HASATTRIBUTE_UNUSED # endif +# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus) +# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */ +# endif # if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */ # define HASATTRIBUTE_WARN_UNUSED_RESULT # endif @@ -2552,7 +2677,7 @@ typedef pthread_key_t perl_key; # define STATUS_NATIVE PL_statusvalue_vms /* * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise - * it's contents can not be trusted. Unfortunately, Perl seems to check + * its contents can not be trusted. Unfortunately, Perl seems to check * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should * be updated also. */ @@ -2632,26 +2757,28 @@ typedef pthread_key_t perl_key; # define STATUS_UNIX_SET(n) \ STMT_START { \ I32 evalue = (I32)n; \ - PL_statusvalue = evalue; \ + PL_statusvalue = evalue; \ if (PL_statusvalue != -1) { \ - if (PL_statusvalue != EVMSERR) { \ - PL_statusvalue &= 0xFFFF; \ - PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \ - } \ - else { \ - PL_statusvalue_vms = vaxc$errno; \ - } \ + if (PL_statusvalue != EVMSERR) { \ + PL_statusvalue &= 0xFFFF; \ + if (MY_POSIX_EXIT) \ + PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\ + else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \ + } \ + else { \ + PL_statusvalue_vms = vaxc$errno; \ + } \ } \ - else PL_statusvalue_vms = SS$_ABORT; \ - set_vaxc_errno(evalue); \ + else PL_statusvalue_vms = SS$_ABORT; \ + set_vaxc_errno(PL_statusvalue_vms); \ } STMT_END /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets * the NATIVE error status based on it. It does not assume that * the UNIX/POSIX exit codes have any relationship to errno, except * that 0 indicates a success. When in the default mode to comply - * with the Perl VMS documentation, anything other than 0 indicates - * a native status should be set to the failure code SS$_ABORT; + * with the Perl VMS documentation, any other code sets the NATIVE + * status to a failure code of SS$_ABORT. * * In the new POSIX EXIT mode, native status will be set so that the * actual exit code will can be retrieved by the calling program or @@ -2675,8 +2802,9 @@ typedef pthread_key_t perl_key; if (MY_POSIX_EXIT) \ PL_statusvalue_vms = \ (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \ - (STS$K_ERROR | STS$M_INHIB_MSG) : 0); \ - else PL_statusvalue_vms = SS$_ABORT; \ + (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \ + else \ + PL_statusvalue_vms = SS$_ABORT; \ } else { /* forgive them Perl, for they have sinned */ \ if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \ else PL_statusvalue_vms = vaxc$errno; \ @@ -2688,6 +2816,33 @@ typedef pthread_key_t perl_key; set_vaxc_errno(PL_statusvalue_vms); \ } STMT_END + /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code + * and sets the NATIVE error status based on it. This special case + * is needed to maintain compatibility with past VMS behavior. + * + * In the default mode on VMS, this number is passed through as + * both the NATIVE and UNIX status. Which makes it different + * that the STATUS_UNIX_EXIT_SET. + * + * In the new POSIX EXIT mode, native status will be set so that the + * actual exit code will can be retrieved by the calling program or + * shell. + * + */ + +# define STATUS_EXIT_SET(n) \ + STMT_START { \ + I32 evalue = (I32)n; \ + PL_statusvalue = evalue; \ + if (MY_POSIX_EXIT) \ + PL_statusvalue_vms = \ + (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \ + (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \ + else \ + PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \ + set_vaxc_errno(PL_statusvalue_vms); \ + } STMT_END + /* This macro forces a success status */ # define STATUS_ALL_SUCCESS \ @@ -2744,6 +2899,7 @@ typedef pthread_key_t perl_key; PL_statusvalue &= 0xFFFF; \ } STMT_END # define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n) +# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n) # define STATUS_CURRENT STATUS_UNIX # define STATUS_EXIT STATUS_UNIX # define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0) @@ -2897,9 +3053,20 @@ typedef pthread_key_t perl_key; appropriate to call return. In either case, include the lint directive. */ #ifdef HASATTRIBUTE_NORETURN -# define NORETURN_FUNCTION_END /* NOT REACHED */ +# define NORETURN_FUNCTION_END /* NOTREACHED */ +#else +# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0 +#endif + +#ifdef HAS_BUILTIN_EXPECT +# define EXPECT(expr,val) __builtin_expect(expr,val) #else -# define NORETURN_FUNCTION_END /* NOT REACHED */ return 0 +# define EXPECT(expr,val) (expr) +#endif +#define LIKELY(cond) EXPECT(cond,1) +#define UNLIKELY(cond) EXPECT(cond,0) +#ifdef HAS_BUILTIN_CHOOSE_EXPR +/* placeholder */ #endif /* Some unistd.h's give a prototype for pause() even though @@ -2914,11 +3081,16 @@ typedef pthread_key_t perl_key; #ifndef IOCPARM_LEN # ifdef IOCPARM_MASK - /* on BSDish systes we're safe */ + /* on BSDish systems we're safe */ # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK) # else +# if defined(_IOC_SIZE) && defined(__GLIBC__) + /* on Linux systems we're safe; except when we're not [perl #38223] */ +# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x)) +# else /* otherwise guess at what's safe */ -# define IOCPARM_LEN(x) 256 +# define IOCPARM_LEN(x) 256 +# endif # endif #endif @@ -2989,6 +3161,23 @@ typedef struct crypt_data { /* straight from /usr/include/crypt.h */ # define USE_HASH_SEED #endif +/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator + * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so + * it's not really needed. + */ +#if defined(WIN32) +# define YYTOKENTYPE +#endif +#include "perly.h" + +#ifdef PERL_MAD +struct nexttoken { + YYSTYPE next_val; /* value of next token, if any */ + I32 next_type; /* type of next token */ + MADPROP *next_mad; /* everything else about that token */ +}; +#endif + #include "regexp.h" #include "sv.h" #include "util.h" @@ -2998,27 +3187,14 @@ typedef struct crypt_data { /* straight from /usr/include/crypt.h */ #include "cv.h" #include "opnames.h" #include "op.h" +#include "hv.h" #include "cop.h" #include "av.h" -#include "hv.h" #include "mg.h" #include "scope.h" #include "warnings.h" #include "utf8.h" -/* Current curly descriptor */ -typedef struct curcur CURCUR; -struct curcur { - int parenfloor; /* how far back to strip paren data */ - int cur; /* how many instances of scan we've matched */ - int min; /* the minimal number of scans to match */ - int max; /* the maximal number of scans to match */ - int minmod; /* whether to work our way up or down */ - regnode * scan; /* the thing to match */ - regnode * next; /* what has to match after it */ - char * lastloc; /* where we started matching this scan */ - CURCUR * oldcc; /* current curly before we started this one */ -}; typedef struct _sublex_info SUBLEXINFO; struct _sublex_info { @@ -3034,8 +3210,6 @@ typedef struct magic_state MGS; /* struct magic_state defined in mg.c */ struct scan_data_t; /* Used in S_* functions in regcomp.c */ struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */ -typedef I32 CHECKPOINT; - /* Keep next first in this structure, because sv_free_arenas take advantage of this to share code between the pte arenas and the SV body arenas */ @@ -3402,6 +3576,8 @@ Gid_t getegid (void); #define PERL_MAGIC_envelem 'e' /* %ENV hash element */ #define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */ #define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */ +#define PERL_MAGIC_hints 'H' /* %^H hash */ +#define PERL_MAGIC_hintselem 'h' /* %^H hash element */ #define PERL_MAGIC_isa 'I' /* @ISA array */ #define PERL_MAGIC_isaelem 'i' /* @ISA array element */ #define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */ @@ -3426,7 +3602,6 @@ Gid_t getegid (void); #define PERL_MAGIC_substr 'x' /* substr() lvalue */ #define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable / smart parameter vivification */ -#define PERL_MAGIC_glob '*' /* GV (typeglob) */ #define PERL_MAGIC_arylen '#' /* Array length ($#ary) */ #define PERL_MAGIC_pos '.' /* pos() lvalue */ #define PERL_MAGIC_backref '<' /* for weak ref data */ @@ -3439,9 +3614,8 @@ Gid_t getegid (void); #ifndef assert /* might have been included somehow */ #define assert(what) PERL_DEB( \ ((what) ? ((void) 0) : \ - (Perl_croak(aTHX_ "Assertion %s failed: file \"" __FILE__ \ + (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \ "\", line %d", STRINGIFY(what), __LINE__), \ - PerlProc_exit(1), \ (void) 0))) #endif @@ -3593,7 +3767,7 @@ char *getlogin (void); /* Also rename() is affected by this */ #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */ #define UNLINK unlnk -I32 unlnk (const char*); +I32 unlnk (pTHX_ const char*); #else #define UNLINK PerlLIO_unlink #endif @@ -3663,6 +3837,34 @@ typedef Sighandler_t Sigsave_t; # define MALLOC_TERM #endif +#if defined(PERL_IMPLICIT_CONTEXT) + +struct perl_memory_debug_header; +struct perl_memory_debug_header { + tTHX interpreter; +# ifdef PERL_POISON + MEM_SIZE size; +# endif + struct perl_memory_debug_header *prev; + struct perl_memory_debug_header *next; +}; + +# define sTHX (sizeof(struct perl_memory_debug_header) + \ + (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \ + %MEM_ALIGNBYTES) % MEM_ALIGNBYTES) + +#endif + +#ifdef PERL_TRACK_MEMPOOL +# define INIT_TRACK_MEMPOOL(header, interp) \ + STMT_START { \ + (header).interpreter = (interp); \ + (header).prev = (header).next = &(header); \ + } STMT_END +# else +# define INIT_TRACK_MEMPOOL(header, interp) +#endif + typedef int (CPERLscope(*runops_proc_t)) (pTHX); typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv); @@ -3733,13 +3935,11 @@ EXTCONST char PL_no_dir_func[] EXTCONST char PL_no_func[] INIT("The %s function is unimplemented"); EXTCONST char PL_no_myglob[] - INIT("\"my\" variable %s can't be in a package"); + INIT("\"%s\" variable %s can't be in a package"); EXTCONST char PL_no_localize_ref[] INIT("Can't localize through a reference"); -#ifdef PERL_MALLOC_WRAP EXTCONST char PL_memory_wrap[] INIT("panic: memory wrap"); -#endif EXTCONST char PL_uuemap[65] INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_"); @@ -3957,6 +4157,9 @@ EXTCONST char* const PL_block_type[] = { "LOOP", "SUBST", "BLOCK", + "FORMAT", + "GIVEN", + "WHEN" }; #else EXTCONST char* PL_block_type[]; @@ -3980,15 +4183,6 @@ END_EXTERN_C #endif #endif -/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator - * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so - * it's not really needed. - */ -#if defined(WIN32) -# define YYTOKENTYPE -#endif -#include "perly.h" - #define LEX_NOTPARSING 11 /* borrowed from toke.c */ typedef enum { @@ -4036,17 +4230,19 @@ enum { /* pass one of these to get_vtbl */ want_vtbl_backref, want_vtbl_utf8, want_vtbl_symtab, - want_vtbl_arylen_p + want_vtbl_arylen_p, + want_vtbl_hintselem }; - /* Note: the lowest 8 bits are reserved for - stuffing into op->op_private */ -#define HINT_PRIVATE_MASK 0x000000ff + +/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer + special and there is no need for HINT_PRIVATE_MASK for COPs + However, bitops store HINT_INTEGER in their op_private. */ #define HINT_INTEGER 0x00000001 /* integer pragma */ #define HINT_STRICT_REFS 0x00000002 /* strict pragma */ #define HINT_LOCALE 0x00000004 /* locale pragma */ #define HINT_BYTES 0x00000008 /* bytes pragma */ -/* #define HINT_notused10 0x00000010 */ +#define HINT_ARYBASE 0x00000010 /* $[ is non-zero */ /* Note: 20,40,80 used for NATIVE_HINTS */ /* currently defined by vms/vmsish.h */ @@ -4061,6 +4257,7 @@ enum { /* pass one of these to get_vtbl */ #define HINT_NEW_STRING 0x00008000 #define HINT_NEW_RE 0x00010000 #define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */ +#define HINT_LEXICAL_IO 0x00040000 /* ${^OPEN} is set */ #define HINT_RE_TAINT 0x00100000 /* re pragma */ #define HINT_RE_EVAL 0x00200000 /* re pragma */ @@ -4072,7 +4269,7 @@ enum { /* pass one of these to get_vtbl */ #define HINT_ASSERTING 0x01000000 #define HINT_ASSERTIONSSEEN 0x02000000 -/* The following are stored in $sort::hints, not in PL_hints */ +/* The following are stored in $^H{sort}, not in PL_hints */ #define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */ #define HINT_SORT_QUICKSORT 0x00000001 #define HINT_SORT_MERGESORT 0x00000002 @@ -4221,6 +4418,12 @@ struct tempsym; /* defined in pp_pack.c */ #if !defined(PERL_FOR_X2P) # include "embedvar.h" #endif +#ifndef PERL_MAD +# undef PL_madskills +# undef PL_xmlfp +# define PL_madskills 0 +# define PL_xmlfp 0 +#endif /* Now include all the 'global' variables * If we don't have threads or multiple interpreters @@ -4243,6 +4446,10 @@ END_EXTERN_C #if defined(WIN32) /* Now all the config stuff is setup we can include embed.h */ # include "embed.h" +# ifndef PERL_MAD +# undef op_getmad +# define op_getmad(arg,pegop,slot) NOOP +# endif #endif #ifndef PERL_GLOBAL_STRUCT @@ -4260,12 +4467,23 @@ END_EXTERN_C START_EXTERN_C +/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the + * magic vtables const, but this is incompatible with SWIG which + * does want to modify the vtables. */ +#ifdef PERL_GLOBAL_STRUCT_PRIVATE +# define EXT_MGVTBL EXTCONST MGVTBL +#else +# define EXT_MGVTBL EXT MGVTBL +#endif + #ifdef DOINIT -# define MGVTBL_SET(var,a,b,c,d,e,f,g) EXTCONST MGVTBL var = {a,b,c,d,e,f,g} -# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g) EXTCONST MGVTBL var = {(int (*)(pTHX_ SV *, MAGIC *))a,b,c,d,e,f,g} /* Like MGVTBL_SET but with the get magic having a const MG* */ +# define MGVTBL_SET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var = {a,b,c,d,e,f,g,h} +/* Like MGVTBL_SET but with the get magic having a const MG* */ +# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var \ + = {(int (*)(pTHX_ SV *, MAGIC *))a,b,c,d,e,f,g,h} #else -# define MGVTBL_SET(var,a,b,c,d,e,f,g) EXTCONST MGVTBL var -# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g) EXTCONST MGVTBL var +# define MGVTBL_SET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var +# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var #endif MGVTBL_SET( @@ -4276,6 +4494,7 @@ MGVTBL_SET( NULL, NULL, NULL, + NULL, NULL ); @@ -4287,6 +4506,7 @@ MGVTBL_SET( MEMBER_TO_FPTR(Perl_magic_clear_all_env), NULL, NULL, + NULL, NULL ); @@ -4298,9 +4518,11 @@ MGVTBL_SET( MEMBER_TO_FPTR(Perl_magic_clearenv), NULL, NULL, + NULL, NULL ); +/* For now, hints magic will also use vtbl_sig, because it is all NULL */ MGVTBL_SET( PL_vtbl_sig, NULL, @@ -4309,13 +4531,21 @@ MGVTBL_SET( NULL, NULL, NULL, + NULL, NULL ); #ifdef PERL_MICRO MGVTBL_SET( PL_vtbl_sigelem, - NULL, NULL, NULL, NULL, NULL, NULL, NULL + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL ); #else @@ -4327,6 +4557,7 @@ MGVTBL_SET( MEMBER_TO_FPTR(Perl_magic_clearsig), NULL, NULL, + NULL, NULL ); #endif @@ -4339,6 +4570,7 @@ MGVTBL_SET( MEMBER_TO_FPTR(Perl_magic_wipepack), NULL, NULL, + NULL, NULL ); @@ -4350,6 +4582,7 @@ MGVTBL_SET( MEMBER_TO_FPTR(Perl_magic_clearpack), NULL, NULL, + NULL, NULL ); @@ -4361,6 +4594,7 @@ MGVTBL_SET( NULL, NULL, NULL, + NULL, NULL ); @@ -4372,6 +4606,7 @@ MGVTBL_SET( MEMBER_TO_FPTR(Perl_magic_setisa), NULL, NULL, + NULL, NULL ); @@ -4383,6 +4618,7 @@ MGVTBL_SET( NULL, NULL, NULL, + NULL, NULL ); @@ -4394,6 +4630,7 @@ MGVTBL_SET_CONST_MAGIC_GET( NULL, NULL, NULL, + NULL, NULL ); @@ -4405,16 +4642,6 @@ MGVTBL_SET( NULL, MEMBER_TO_FPTR(Perl_magic_freearylen_p), NULL, - NULL -); - -MGVTBL_SET( - PL_vtbl_glob, - MEMBER_TO_FPTR(Perl_magic_getglob), - MEMBER_TO_FPTR(Perl_magic_setglob), - NULL, - NULL, - NULL, NULL, NULL ); @@ -4427,6 +4654,7 @@ MGVTBL_SET( NULL, NULL, NULL, + NULL, NULL ); @@ -4438,6 +4666,7 @@ MGVTBL_SET( NULL, NULL, NULL, + NULL, NULL ); @@ -4449,6 +4678,7 @@ MGVTBL_SET( NULL, NULL, NULL, + NULL, NULL ); @@ -4460,6 +4690,7 @@ MGVTBL_SET( NULL, NULL, NULL, + NULL, NULL ); @@ -4471,6 +4702,7 @@ MGVTBL_SET( NULL, NULL, NULL, + NULL, NULL ); @@ -4482,6 +4714,7 @@ MGVTBL_SET( NULL, NULL, NULL, + NULL, NULL ); @@ -4493,6 +4726,7 @@ MGVTBL_SET( NULL, NULL, NULL, + NULL, NULL ); @@ -4504,6 +4738,7 @@ MGVTBL_SET( NULL, NULL, NULL, + NULL, NULL ); @@ -4515,6 +4750,7 @@ MGVTBL_SET( NULL, NULL, NULL, + NULL, NULL ); @@ -4526,6 +4762,7 @@ MGVTBL_SET( NULL, NULL, NULL, + NULL, NULL ); @@ -4537,6 +4774,7 @@ MGVTBL_SET( NULL, MEMBER_TO_FPTR(Perl_magic_freeregexp), NULL, + NULL, NULL ); @@ -4548,6 +4786,7 @@ MGVTBL_SET( NULL, NULL, NULL, + NULL, NULL ); @@ -4559,6 +4798,7 @@ MGVTBL_SET( NULL, NULL, NULL, + NULL, NULL ); @@ -4570,6 +4810,7 @@ MGVTBL_SET( NULL, MEMBER_TO_FPTR(Perl_magic_setamagic), NULL, + NULL, NULL ); @@ -4581,6 +4822,7 @@ MGVTBL_SET( NULL, MEMBER_TO_FPTR(Perl_magic_setamagic), NULL, + NULL, NULL ); @@ -4592,6 +4834,7 @@ MGVTBL_SET( NULL, MEMBER_TO_FPTR(Perl_magic_killbackrefs), NULL, + NULL, NULL ); @@ -4603,6 +4846,7 @@ MGVTBL_SET( NULL, MEMBER_TO_FPTR(Perl_magic_freeovrld), NULL, + NULL, NULL ); @@ -4614,6 +4858,7 @@ MGVTBL_SET( NULL, NULL, NULL, + NULL, NULL ); #ifdef USE_LOCALE_COLLATE @@ -4625,10 +4870,23 @@ MGVTBL_SET( NULL, NULL, NULL, + NULL, NULL ); #endif +MGVTBL_SET( + PL_vtbl_hintselem, + NULL, + MEMBER_TO_FPTR(Perl_magic_sethint), + NULL, + MEMBER_TO_FPTR(Perl_magic_clearhint), + NULL, + NULL, + NULL, + NULL +); + enum { fallback_amg, abs_amg, @@ -4663,7 +4921,10 @@ enum { to_sv_amg, to_av_amg, to_hv_amg, to_gv_amg, to_cv_amg, iter_amg, - int_amg, DESTROY_amg, + int_amg, smart_amg, + + /* Note: Perl_Gv_AMupdate() assumes that DESTROY is the last entry */ + DESTROY_amg, max_amg_code /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */ }; @@ -4710,7 +4971,8 @@ EXTCONST char * const PL_AMG_names[NofAMmeth] = { "(${}", "(@{}", "(%{}", "(*{}", "(&{}", "(<>", - "(int", "DESTROY", + "(int", "(~~", + "DESTROY" }; #else EXTCONST char * PL_AMG_names[NofAMmeth]; @@ -4817,7 +5079,7 @@ typedef struct am_table_short AMTS; #define SET_NUMERIC_LOCAL() \ set_numeric_local(); -#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE) +#define IN_LOCALE_RUNTIME (CopHINTS_get(PL_curcop) & HINT_LOCALE) #define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE) #define IN_LOCALE \ @@ -4907,7 +5169,7 @@ typedef struct am_table_short AMTS; # define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b)) #endif #ifndef Atoul -# define Atoul(s) Strtoul(s, (char **)NULL, 10) +# define Atoul(s) Strtoul(s, NULL, 10) #endif @@ -5008,6 +5270,7 @@ typedef struct am_table_short AMTS; * Code that uses these macros is responsible for the following: * 1. #define MY_CXT_KEY to a unique string, e.g. * "DynaLoader::_guts" XS_VERSION + * XXX in the current implementation, this string is ignored. * 2. Declare a typedef named my_cxt_t that is a structure that contains * all the data that needs to be interpreter-local. * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t. @@ -5024,35 +5287,30 @@ typedef struct am_table_short AMTS; /* This must appear in all extensions that define a my_cxt_t structure, * right after the definition (i.e. at file scope). The non-threads * case below uses it to declare the data as static. */ -#define START_MY_CXT - -/* Fetches the SV that keeps the per-interpreter data. */ -#define dMY_CXT_SV \ - SV *my_cxt_sv = *hv_fetch(PL_modglobal, MY_CXT_KEY, \ - sizeof(MY_CXT_KEY)-1, TRUE) +#define START_MY_CXT static int my_cxt_index = -1; /* This declaration should be used within all functions that use the * interpreter-local data. */ #define dMY_CXT \ - dMY_CXT_SV; \ - my_cxt_t *my_cxtp = INT2PTR(my_cxt_t*, SvUV(my_cxt_sv)) + my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[my_cxt_index] +#define dMY_CXT_INTERP(my_perl) \ + my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[my_cxt_index] /* Creates and zeroes the per-interpreter data. * (We allocate my_cxtp in a Perl SV so that it will be released when * the interpreter goes away.) */ #define MY_CXT_INIT \ - dMY_CXT_SV; \ - /* newSV() allocates one more than needed */ \ - my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\ - Zero(my_cxtp, 1, my_cxt_t); \ - sv_setuv(my_cxt_sv, PTR2UV(my_cxtp)) + my_cxt_t *my_cxtp = \ + (my_cxt_t*)Perl_my_cxt_init(aTHX_ &my_cxt_index, sizeof(my_cxt_t)) +#define MY_CXT_INIT_INTERP(my_perl) \ + my_cxt_t *my_cxtp = \ + (my_cxt_t*)Perl_my_cxt_init(my_perl, &my_cxt_index, sizeof(my_cxt_t)) /* Clones the per-interpreter data. */ #define MY_CXT_CLONE \ - dMY_CXT_SV; \ my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\ - Copy(INT2PTR(my_cxt_t*, SvUV(my_cxt_sv)), my_cxtp, 1, my_cxt_t);\ - sv_setuv(my_cxt_sv, PTR2UV(my_cxtp)) + Copy(PL_my_cxt_list[my_cxt_index], my_cxtp, 1, my_cxt_t);\ + PL_my_cxt_list[my_cxt_index] = my_cxtp \ /* This macro must be used to access members of the my_cxt_t structure. * e.g. MYCXT.some_data */ @@ -5067,7 +5325,7 @@ typedef struct am_table_short AMTS; #define aMY_CXT_ aMY_CXT, #define _aMY_CXT ,aMY_CXT -#else /* USE_ITHREADS */ +#else /* PERL_IMPLICIT_CONTEXT */ #define START_MY_CXT static my_cxt_t my_cxt; #define dMY_CXT_SV dNOOP @@ -5083,7 +5341,7 @@ typedef struct am_table_short AMTS; #define aMY_CXT_ #define _aMY_CXT -#endif /* !defined(USE_ITHREADS) */ +#endif /* !defined(PERL_IMPLICIT_CONTEXT) */ #ifdef I_FCNTL # include @@ -5272,6 +5530,7 @@ extern void moncontrol(int); #define PERL_UNICODE_ARGV_FLAG 0x0020 #define PERL_UNICODE_LOCALE_FLAG 0x0040 #define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */ +#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100 #define PERL_UNICODE_STD_FLAG \ (PERL_UNICODE_STDIN_FLAG | \ @@ -5287,7 +5546,7 @@ extern void moncontrol(int); PERL_UNICODE_INOUT_FLAG | \ PERL_UNICODE_LOCALE_FLAG) -#define PERL_UNICODE_ALL_FLAGS 0x00ff +#define PERL_UNICODE_ALL_FLAGS 0x01ff #define PERL_UNICODE_STDIN 'I' #define PERL_UNICODE_STDOUT 'O' @@ -5299,6 +5558,7 @@ extern void moncontrol(int); #define PERL_UNICODE_ARGV 'A' #define PERL_UNICODE_LOCALE 'L' #define PERL_UNICODE_WIDESYSCALLS 'W' +#define PERL_UNICODE_UTF8CACHEASSERT 'a' #define PERL_SIGNALS_UNSAFE_FLAG 0x0001 @@ -5340,12 +5600,58 @@ extern void moncontrol(int); #pragma message disable (mainparm) /* Perl uses the envp in main(). */ #endif +#define do_open(g, n, l, a, rm, rp, sf) \ + do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0) +#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION +# define do_exec(cmd) do_exec3(cmd,0,0) +#endif +#ifdef OS2 +# define do_aexec Perl_do_aexec +#else +# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0) +#endif + +#if defined(OEMVS) +#define NO_ENV_ARRAY_IN_MAIN +#endif + /* and finally... */ #define PERL_PATCHLEVEL_H_IMPLICIT #include "patchlevel.h" #undef PERL_PATCHLEVEL_H_IMPLICIT -/* Mention +/* These are used by Perl_pv_escape() and Perl_pv_pretty() + * are here so that they are available throughout the core + * NOTE that even though some are for _escape and some for _pretty + * there must not be any clashes as the flags from _pretty are + * passed straight through to _escape. + */ + +#define PERL_PV_ESCAPE_QUOTE 0x0001 +#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE + + +#define PERL_PV_PRETTY_ELIPSES 0x0002 +#define PERL_PV_PRETTY_LTGT 0x0004 + +#define PERL_PV_ESCAPE_FIRSTCHAR 0x0008 + +#define PERL_PV_ESCAPE_UNI 0x0100 +#define PERL_PV_ESCAPE_UNI_DETECT 0x0200 + +#define PERL_PV_ESCAPE_ALL 0x1000 +#define PERL_PV_ESCAPE_NOBACKSLASH 0x2000 +#define PERL_PV_ESCAPE_NOCLEAR 0x4000 + +/* used by pv_display in dump.c*/ +#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELIPSES|PERL_PV_PRETTY_QUOTE +#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELIPSES|PERL_PV_PRETTY_LTGT + +/* + + (KEEP THIS LAST IN perl.h!) + + Mention NV_PRESERVES_UV @@ -5385,7 +5691,11 @@ extern void moncontrol(int); HAS_DIRFD - so that Configure picks them up. */ + so that Configure picks them up. + + (KEEP THIS LAST IN perl.h!) + +*/ #endif /* Include guard */