X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl.h;h=686752c5c38b8a16d3d7d85b39b7bab13bd772d8;hb=78857c3c631dc8d94f4168aa465a27b5efceb36e;hp=81f724c187947d12699a4d413ed75c59427c4a23;hpb=8990e3071044a96302560bbdb5706f3e74cf1bef;p=p5sagit%2Fp5-mst-13.2.git diff --git a/perl.h b/perl.h index 81f724c..686752c 100644 --- a/perl.h +++ b/perl.h @@ -1,53 +1,90 @@ -/* $RCSfile: perl.h,v $$Revision: 4.1 $$Date: 92/08/07 18:25:56 $ +/* perl.h * - * Copyright (c) 1991, Larry Wall + * Copyright (c) 1987-1997, Larry Wall * * You may distribute under the terms of either the GNU General Public * License or the Artistic License, as specified in the README file. * - * $Log: perl.h,v $ - * Revision 4.1 92/08/07 18:25:56 lwall - * - * Revision 4.0.1.6 92/06/08 14:55:10 lwall - * patch20: added Atari ST portability - * patch20: bcopy() and memcpy() now tested for overlap safety - * patch20: Perl now distinguishes overlapped copies from non-overlapped - * patch20: removed implicit int declarations on functions - * - * Revision 4.0.1.5 91/11/11 16:41:07 lwall - * patch19: uts wrongly defines S_ISDIR() et al - * patch19: too many preprocessors can't expand a macro right in #if - * patch19: added little-endian pack/unpack options - * - * Revision 4.0.1.4 91/11/05 18:06:10 lwall - * patch11: various portability fixes - * patch11: added support for dbz - * patch11: added some support for 64-bit integers - * patch11: hex() didn't understand leading 0x - * - * Revision 4.0.1.3 91/06/10 01:25:10 lwall - * patch10: certain pattern optimizations were botched - * - * Revision 4.0.1.2 91/06/07 11:28:33 lwall - * patch4: new copyright notice - * patch4: made some allowances for "semi-standard" C - * patch4: many, many itty-bitty portability fixes - * - * Revision 4.0.1.1 91/04/11 17:49:51 lwall - * patch1: hopefully straightened out some of the Xenix mess - * - * Revision 4.0 91/03/20 01:37:56 lwall - * 4.0 baseline. - * */ +#ifndef H_PERL +#define H_PERL 1 +#define OVERLOAD + +#ifdef PERL_FOR_X2P +/* + * This file is being used for x2p stuff. + * Above symbol is defined via -D in 'x2p/Makefile.SH' + * Decouple x2p stuff from some of perls more extreme eccentricities. + */ +#undef EMBED +#undef NO_EMBED +#define NO_EMBED +#undef MULTIPLICITY +#undef USE_STDIO +#define USE_STDIO +#endif /* PERL_FOR_X2P */ + +#define VOIDUSED 1 +#include "config.h" #include "embed.h" -#define VOIDWANT 1 +#undef START_EXTERN_C +#undef END_EXTERN_C +#undef EXTERN_C #ifdef __cplusplus -#include "config_c++.h" +# define START_EXTERN_C extern "C" { +# define END_EXTERN_C } +# define EXTERN_C extern "C" #else -#include "config.h" +# define START_EXTERN_C +# define END_EXTERN_C +# define EXTERN_C +#endif + +#ifdef OP_IN_REGISTER +# ifdef __GNUC__ +# define stringify_immed(s) #s +# define stringify(s) stringify_immed(s) +register struct op *op asm(stringify(OP_IN_REGISTER)); +# endif +#endif + +/* + * STMT_START { statements; } STMT_END; + * can be used as a single statement, as in + * if (x) STMT_START { ... } STMT_END; else ... + * + * Trying to select a version that gives no warnings... + */ +#if !(defined(STMT_START) && defined(STMT_END)) +# if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(__cplusplus) +# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */ +# define STMT_END ) +# else + /* Now which other defined()s do we need here ??? */ +# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) +# define STMT_START if (1) +# define STMT_END else (void)0 +# else +# define STMT_START do +# define STMT_END while (0) +# endif +# endif +#endif + +#define NOOP (void)0 + +#define WITH_THR(s) STMT_START { dTHR; s; } STMT_END + +/* + * 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 @@ -67,35 +104,22 @@ * code can be a lot prettier. Well, so much for theory. Sorry, Henry... */ -#ifdef MYMALLOC -# ifdef HIDEMYMALLOC -# define malloc Mymalloc -# define realloc Myremalloc -# define free Myfree -# endif -# define safemalloc malloc -# define saferealloc realloc -# define safefree free -#endif - -/* work around some libPW problems */ -#ifdef DOINIT -char Error[1]; -#endif - /* define this once if either system, instead of cluttering up the src */ -#if defined(MSDOS) || defined(atarist) +#if defined(MSDOS) || defined(atarist) || defined(WIN32) #define DOSISH 1 #endif -#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) +#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) # define STANDARD_C 1 #endif -#if defined(STANDARD_C) -# define P(args) args -#else -# define P(args) () +#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(OS2) \ + || defined(__DGUX) +# define DONT_DECLARE_STD 1 +#endif + +#if defined(NeXT) && !defined(_POSIX_SOURCE) +# define MISSING_PID_T #endif #if defined(HASVOLATILE) || defined(STANDARD_C) @@ -108,34 +132,130 @@ char Error[1]; # define VOL #endif -#define TAINT_IF(c) (tainted |= (c)) -#define TAINT_NOT (tainted = 0) -#define TAINT_PROPER(s) if (tainting) taint_proper(no_security, s) -#define TAINT_ENV() if (tainting) taint_env() +#define TAINT (tainted = TRUE) +#define TAINT_NOT (tainted = FALSE) +#define TAINT_IF(c) if (c) { tainted = TRUE; } +#define TAINT_ENV() if (tainting) { taint_env(); } +#define TAINT_PROPER(s) if (tainting) { taint_proper(no_security, s); } -#ifndef HAS_VFORK -# define vfork fork +#ifdef MISSING_PID_T +typedef int pid_t; #endif -#ifdef HAS_GETPGRP2 -# ifndef HAS_GETPGRP -# define HAS_GETPGRP -# endif -# define getpgrp getpgrp2 +/* 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. +*/ +/* Process group stuff changed from traditional BSD to POSIX. + perlfunc.pod documents the traditional BSD-style syntax, so we'll + try to preserve that, if possible. +*/ +#ifdef HAS_SETPGID +# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp)) +#else +# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP) +# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp)) +# else +# ifdef HAS_SETPGRP2 /* DG/UX */ +# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp)) +# endif +# endif +#endif +#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP) +# define HAS_SETPGRP /* Well, effectively it does . . . */ +#endif + +/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes + our life easier :-) so we'll try it. +*/ +#ifdef HAS_GETPGID +# define BSD_GETPGRP(pid) getpgid((pid)) +#else +# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP) +# define BSD_GETPGRP(pid) getpgrp((pid)) +# else +# ifdef HAS_GETPGRP2 /* DG/UX */ +# define BSD_GETPGRP(pid) getpgrp2((pid)) +# endif +# endif +#endif +#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP) +# define HAS_GETPGRP /* Well, effectively it does . . . */ +#endif + +/* These are not exact synonyms, since setpgrp() and getpgrp() may + have different behaviors, but perl.h used to define USE_BSDPGRP + (prior to 5.003_05) so some extension might depend on it. +*/ +#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP) +# ifndef USE_BSDPGRP +# define USE_BSDPGRP +# endif #endif -#ifdef HAS_SETPGRP2 -# ifndef HAS_SETPGRP -# define HAS_SETPGRP +#ifndef _TYPES_ /* If types.h defines this it's easy. */ +# ifndef major /* Does everyone's types.h define this? */ +# include # endif -# define setpgrp setpgrp2 #endif -#include +#ifdef __cplusplus +# ifndef I_STDARG +# define I_STDARG 1 +# endif +#endif + +#ifdef I_STDARG +# include +#else +# ifdef I_VARARGS +# include +# endif +#endif + +#include "perlio.h" +#include "perllio.h" +#include "perlsock.h" +#include "perlproc.h" +#include "perlenv.h" +#include "perldir.h" + +#ifdef USE_NEXT_CTYPE + +#if NX_CURRENT_COMPILER_RELEASE >= 400 +#include +#else /* NX_CURRENT_COMPILER_RELEASE < 400 */ +#include +#endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */ + +#else /* !USE_NEXT_CTYPE */ #include +#endif /* USE_NEXT_CTYPE */ + +#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */ +#undef METHOD +#endif + +#ifdef I_LOCALE +# include +#endif + +#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE) +# define USE_LOCALE +# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \ + && defined(HAS_STRXFRM) +# define USE_LOCALE_COLLATE +# endif +# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE) +# define USE_LOCALE_CTYPE +# endif +# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC) +# define USE_LOCALE_NUMERIC +# endif +#endif /* !NO_LOCALE && HAS_SETLOCALE */ + #include -#ifndef MSDOS +#ifdef I_SYS_PARAM # ifdef PARAM_NEEDS_TYPES # include # endif @@ -144,22 +264,75 @@ char Error[1]; /* Use all the "standard" definitions? */ -#ifdef STANDARD_C +#if defined(STANDARD_C) && defined(I_STDLIB) # include +#endif + +#define MEM_SIZE Size_t + +/* This comes after so we don't try to change the standard + * library prototypes; we'll use our own in proto.h instead. */ + +#ifdef MYMALLOC + +# ifdef HIDEMYMALLOC +# define malloc Mymalloc +# define calloc Mycalloc +# define realloc Myremalloc +# define free Myfree +Malloc_t Mymalloc _((MEM_SIZE nbytes)); +Malloc_t Mycalloc _((MEM_SIZE elements, MEM_SIZE size)); +Malloc_t Myrealloc _((Malloc_t where, MEM_SIZE nbytes)); +Free_t Myfree _((Malloc_t where)); +# endif +# ifdef EMBEDMYMALLOC +# define malloc Perl_malloc +# define calloc Perl_calloc +# define realloc Perl_realloc +# define free Perl_free +Malloc_t Perl_malloc _((MEM_SIZE nbytes)); +Malloc_t Perl_calloc _((MEM_SIZE elements, MEM_SIZE size)); +Malloc_t Perl_realloc _((Malloc_t where, MEM_SIZE nbytes)); +Free_t Perl_free _((Malloc_t where)); +# endif + +# undef safemalloc +# undef safecalloc +# undef saferealloc +# undef safefree +# define safemalloc malloc +# define safecalloc calloc +# define saferealloc realloc +# define safefree free + +#endif /* MYMALLOC */ + +#if defined(STANDARD_C) && defined(I_STDDEF) +# include +# define STRUCT_OFFSET(s,m) offsetof(s,m) +#else +# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m)) +#endif + +#if defined(I_STRING) || defined(__cplusplus) # include -# define MEM_SIZE size_t #else - typedef unsigned int MEM_SIZE; -#endif /* STANDARD_C */ +# include +#endif -#if defined(HAS_MEMCMP) && defined(mips) && defined(ultrix) -# undef HAS_MEMCMP +#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr) +#define strchr index +#define strrchr rindex +#endif + +#ifdef I_MEMORY +# include #endif #ifdef HAS_MEMCPY -# ifndef STANDARD_C +# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY) # ifndef memcpy - extern char * memcpy P((char*, char*, int)); + extern char * memcpy _((char*, char*, int)); # endif # endif #else @@ -173,80 +346,94 @@ char Error[1]; #endif /* HAS_MEMCPY */ #ifdef HAS_MEMSET -# ifndef STANDARD_C +# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY) # ifndef memset - extern char *memset P((char*, int, int)); + extern char *memset _((char*, int, int)); # endif # endif -# define memzero(d,l) memset(d,0,l) #else -# ifndef memzero -# ifdef HAS_BZERO -# define memzero(d,l) bzero(d,l) +# define memset(d,c,l) my_memset(d,c,l) +#endif /* HAS_MEMSET */ + +#if !defined(HAS_MEMMOVE) && !defined(memmove) +# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY) +# define memmove(d,s,l) bcopy(s,d,l) +# else +# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY) +# define memmove(d,s,l) memcpy(d,s,l) # else -# define memzero(d,l) my_bzero(d,l) +# define memmove(d,s,l) my_bcopy(s,d,l) # endif # endif -#endif /* HAS_MEMSET */ +#endif -#ifdef HAS_MEMCMP -# ifndef STANDARD_C +#if defined(mips) && defined(ultrix) && !defined(__STDC__) +# undef HAS_MEMCMP +#endif + +#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP) +# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY) # ifndef memcmp - extern int memcmp P((char*, char*, int)); + extern int memcmp _((char*, char*, int)); # endif # endif +# ifdef BUGGY_MSC + # pragma function(memcmp) +# endif #else # ifndef memcmp -# define memcmp(s1,s2,l) my_memcmp(s1,s2,l) +# define memcmp my_memcmp # endif -#endif /* HAS_MEMCMP */ +#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */ -/* we prefer bcmp slightly for comparisons that don't care about ordering */ -#ifndef HAS_BCMP -# ifndef bcmp -# define bcmp(s1,s2,l) memcmp(s1,s2,l) -# endif -#endif /* HAS_BCMP */ - -#ifndef HAS_MEMMOVE -# if defined(HAS_BCOPY) && defined(SAFE_BCOPY) -# define memmove(d,s,l) bcopy(s,d,l) +#ifndef memzero +# ifdef HAS_MEMSET +# define memzero(d,l) memset(d,0,l) # else -# if defined(HAS_MEMCPY) && defined(SAFE_MEMCPY) -# define memmove(d,s,l) memcpy(d,s,l) +# ifdef HAS_BZERO +# define memzero(d,l) bzero(d,l) # else -# define memmove(d,s,l) my_bcopy(s,d,l) +# define memzero(d,l) my_bzero(d,l) # endif # endif #endif -#ifndef _TYPES_ /* If types.h defines this it's easy. */ -# ifndef major /* Does everyone's types.h define this? */ -# include +#ifndef HAS_BCMP +# ifndef bcmp +# define bcmp(s1,s2,l) memcmp(s1,s2,l) # endif -#endif +#endif /* !HAS_BCMP */ #ifdef I_NETINET_IN # include #endif -#include +#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO) +/* defines SF_APPEND and might define SF_APPEND + * (the neo-BSD seem to do this). */ +# undef SF_APPEND +#endif + +#ifdef I_SYS_STAT +# include +#endif + +/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives + like UTekV) are broken, sometimes giving false positives. Undefine + them here and let the code below set them to proper values. + + The ghs macro stands for GreenHills Software C-1.8.5 which + is the C compiler for sysV88 and the various derivatives. + This header file bug is corrected in gcc-2.5.8 and later versions. + --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */ -#if defined(uts) || defined(UTekV) +#if defined(uts) || (defined(m88k) && defined(ghs)) # undef S_ISDIR # undef S_ISCHR # undef S_ISBLK # undef S_ISREG # undef S_ISFIFO # undef S_ISLNK -# define S_ISDIR(P) (((P)&S_IFMT)==S_IFDIR) -# define S_ISCHR(P) (((P)&S_IFMT)==S_IFCHR) -# define S_ISBLK(P) (((P)&S_IFMT)==S_IFBLK) -# define S_ISREG(P) (((P)&S_IFMT)==S_IFREG) -# define S_ISFIFO(P) (((P)&S_IFMT)==S_IFIFO) -# ifdef S_IFLNK -# define S_ISLNK(P) (((P)&S_IFMT)==S_IFLNK) -# endif #endif #ifdef I_TIME @@ -254,48 +441,85 @@ char Error[1]; #endif #ifdef I_SYS_TIME -# ifdef SYSTIMEKERNEL +# ifdef I_SYS_TIME_KERNEL # define KERNEL # endif # include -# ifdef SYSTIMEKERNEL +# ifdef I_SYS_TIME_KERNEL # undef KERNEL # endif #endif -#ifndef MSDOS -#include +#if defined(HAS_TIMES) && defined(I_SYS_TIMES) +# include #endif #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR)) # undef HAS_STRERROR #endif +#ifndef HAS_MKFIFO +# ifndef mkfifo +# define mkfifo(path, mode) (mknod((path), (mode) | S_IFIFO, 0)) +# endif +#endif /* !HAS_MKFIFO */ + #include #ifdef HAS_SOCKET -# ifndef ENOTSOCK +# ifdef I_NET_ERRNO # include # endif #endif -#ifndef MSDOS -# ifndef errno +#ifdef VMS +# define SETERRNO(errcode,vmserrcode) \ + STMT_START { \ + set_errno(errcode); \ + set_vaxc_errno(vmserrcode); \ + } STMT_END +#else +# define SETERRNO(errcode,vmserrcode) errno = (errcode) +#endif + +#ifdef USE_THREADS +# define ERRSV (thr->errsv) +# define ERRHV (thr->errhv) +# define DEFSV THREADSV(0) +# define SAVE_DEFSV save_threadsv(0) +#else +# define ERRSV GvSV(errgv) +# define ERRHV GvHV(errgv) +# define DEFSV GvSV(defgv) +# define SAVE_DEFSV SAVESPTR(GvSV(defgv)) +#endif /* USE_THREADS */ + +#ifndef errno extern int errno; /* ANSI allows errno to be an lvalue expr */ -# endif #endif -#ifndef strerror -# ifdef HAS_STRERROR - char *strerror P((int)); -# else +#ifdef HAS_STRERROR +# ifdef VMS + char *strerror _((int,...)); +# else +#ifndef DONT_DECLARE_STD + char *strerror _((int)); +#endif +# endif +# ifndef Strerror +# define Strerror strerror +# endif +#else +# ifdef HAS_SYS_ERRLIST extern int sys_nerr; extern char *sys_errlist[]; -# define strerror(e) \ +# ifndef Strerror +# define Strerror(e) \ ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e]) +# endif # endif #endif -#ifdef I_SYSIOCTL +#ifdef I_SYS_IOCTL # ifndef _IOCTL_ # include # endif @@ -305,8 +529,8 @@ char Error[1]; # ifdef HAS_SOCKETPAIR # undef HAS_SOCKETPAIR # endif -# ifdef HAS_NDBM -# undef HAS_NDBM +# ifdef I_NDBM +# undef I_NDBM # endif #endif @@ -318,13 +542,15 @@ char Error[1]; # define ntohi ntohl #endif +/* Configure already sets Direntry_t */ #if defined(I_DIRENT) # include -# define DIRENT dirent +# if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */ +# include +# endif #else # ifdef I_SYS_NDIR # include -# define DIRENT direct # else # ifdef I_SYS_DIR # ifdef hp9000s500 @@ -332,7 +558,6 @@ char Error[1]; # else # include # endif -# define DIRENT direct # endif # endif #endif @@ -448,50 +673,235 @@ char Error[1]; # undef ff_next #endif -#if defined(cray) || defined(gould) || defined(i860) +#if defined(cray) || defined(gould) || defined(i860) || defined(pyr) # define SLOPPYDIVIDE #endif -#if defined(cray) || defined(convex) || defined (uts) || BYTEORDER > 0xffff -# define QUAD +#ifdef UV +#undef UV #endif -#ifdef QUAD -# ifdef cray -# define quad int +/* XXX QUAD stuff is not currently supported on most systems. + Specifically, perl internals don't support long long. Among + the many problems is that some compilers support long long, + but the underlying library functions (such as sprintf) don't. + Some things do work (such as quad pack/unpack on convex); + also some systems use long long for the fpos_t typedef. That + seems to work too. + + The IV type is supposed to be long enough to hold any integral + value or a pointer. + --Andy Dougherty August 1996 +*/ + +#ifdef cray +# define Quad_t int +#else +# ifdef convex +# define Quad_t long long # else -# if defined(convex) || defined (uts) -# define quad long long -# else -# define quad long +# if BYTEORDER > 0xFFFF +# define Quad_t long # endif # endif #endif -#ifdef VOIDSIG -# define VOIDRET void +#ifdef Quad_t +# define HAS_QUAD + typedef Quad_t IV; + typedef unsigned Quad_t UV; +# define IV_MAX PERL_QUAD_MAX +# define IV_MIN PERL_QUAD_MIN +# define UV_MAX PERL_UQUAD_MAX +# define UV_MIN PERL_UQUAD_MIN #else -# define VOIDRET int + typedef long IV; + typedef unsigned long UV; +# define IV_MAX PERL_LONG_MAX +# define IV_MIN PERL_LONG_MIN +# define UV_MAX PERL_ULONG_MAX +# define UV_MIN PERL_ULONG_MIN +#endif + +/* Previously these definitions used hardcoded figures. + * It is hoped these formula are more portable, although + * no data one way or another is presently known to me. + * The "PERL_" names are used because these calculated constants + * do not meet the ANSI requirements for LONG_MAX, etc., which + * need to be constants acceptable to #if - kja + * define PERL_LONG_MAX 2147483647L + * define PERL_LONG_MIN (-LONG_MAX - 1) + * define PERL ULONG_MAX 4294967295L + */ + +#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */ +# include +#else +#ifdef I_VALUES +# include +#endif #endif -#ifdef DOSISH -# include "dosish.h" +/* + * Try to figure out max and min values for the integral types. THE CORRECT + * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The + * following hacks are used if neither limits.h or values.h provide them: + * U_MAX: for types >= int: ~(unsigned TYPE)0 + * for types < int: (unsigned TYPE)~(unsigned)0 + * The argument to ~ must be unsigned so that later signed->unsigned + * conversion can't modify the value's bit pattern (e.g. -0 -> +0), + * and it must not be smaller than int because ~ does integral promotion. + * _MAX: () (U_MAX >> 1) + * _MIN: -_MAX - . + * The latter is a hack which happens to work on some machines but + * does *not* catch any random system, or things like integer types + * with NaN if that is possible. + * + * All of the types are explicitly cast to prevent accidental loss of + * numeric range, and in the hope that they will be less likely to confuse + * over-eager optimizers. + * + */ + +#define PERL_UCHAR_MIN ((unsigned char)0) + +#ifdef UCHAR_MAX +# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX) +#else +# ifdef MAXUCHAR +# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR) +# else +# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0) +# endif +#endif + +/* + * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be + * ambiguous. It may be equivalent to (signed char) or (unsigned char) + * depending on local options. Until Configure detects this (or at least + * detects whether the "signed" keyword is available) the CHAR ranges + * will not be included. UCHAR functions normally. + * - kja + */ + +#define PERL_USHORT_MIN ((unsigned short)0) + +#ifdef USHORT_MAX +# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX) #else -# include "unixish.h" +# ifdef MAXUSHORT +# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT) +# else +# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0) +# endif #endif -#ifndef HAS_PAUSE -#define pause() sleep((32767<<16)+32767) +#ifdef SHORT_MAX +# define PERL_SHORT_MAX ((short)SHORT_MAX) +#else +# ifdef MAXSHORT /* Often used in */ +# define PERL_SHORT_MAX ((short)MAXSHORT) +# else +# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1)) +# endif #endif -#ifndef IOCPARM_LEN -# ifdef IOCPARM_MASK - /* on BSDish systes we're safe */ -# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK) -# else - /* otherwise guess at what's safe */ -# define IOCPARM_LEN(x) 256 -# endif +#ifdef SHORT_MIN +# define PERL_SHORT_MIN ((short)SHORT_MIN) +#else +# ifdef MINSHORT +# define PERL_SHORT_MIN ((short)MINSHORT) +# else +# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3)) +# endif +#endif + +#ifdef UINT_MAX +# define PERL_UINT_MAX ((unsigned int)UINT_MAX) +#else +# ifdef MAXUINT +# define PERL_UINT_MAX ((unsigned int)MAXUINT) +# else +# define PERL_UINT_MAX (~(unsigned int)0) +# endif +#endif + +#define PERL_UINT_MIN ((unsigned int)0) + +#ifdef INT_MAX +# define PERL_INT_MAX ((int)INT_MAX) +#else +# ifdef MAXINT /* Often used in */ +# define PERL_INT_MAX ((int)MAXINT) +# else +# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1)) +# endif +#endif + +#ifdef INT_MIN +# define PERL_INT_MIN ((int)INT_MIN) +#else +# ifdef MININT +# define PERL_INT_MIN ((int)MININT) +# else +# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3)) +# endif +#endif + +#ifdef ULONG_MAX +# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX) +#else +# ifdef MAXULONG +# define PERL_ULONG_MAX ((unsigned long)MAXULONG) +# else +# define PERL_ULONG_MAX (~(unsigned long)0) +# endif +#endif + +#define PERL_ULONG_MIN ((unsigned long)0L) + +#ifdef LONG_MAX +# define PERL_LONG_MAX ((long)LONG_MAX) +#else +# ifdef MAXLONG /* Often used in */ +# define PERL_LONG_MAX ((long)MAXLONG) +# else +# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1)) +# endif +#endif + +#ifdef LONG_MIN +# define PERL_LONG_MIN ((long)LONG_MIN) +#else +# ifdef MINLONG +# define PERL_LONG_MIN ((long)MINLONG) +# else +# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3)) +# endif +#endif + +#ifdef HAS_QUAD + +# ifdef UQUAD_MAX +# define PERL_UQUAD_MAX ((UV)UQUAD_MAX) +# else +# define PERL_UQUAD_MAX (~(UV)0) +# endif + +# define PERL_UQUAD_MIN ((UV)0) + +# ifdef QUAD_MAX +# define PERL_QUAD_MAX ((IV)QUAD_MAX) +# else +# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1)) +# endif + +# ifdef QUAD_MIN +# define PERL_QUAD_MIN ((IV)QUAD_MIN) +# else +# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3)) +# endif + #endif typedef MEM_SIZE STRLEN; @@ -507,28 +917,29 @@ typedef struct pmop PMOP; typedef struct svop SVOP; typedef struct gvop GVOP; typedef struct pvop PVOP; -typedef struct cvop CVOP; typedef struct loop LOOP; typedef struct Outrec Outrec; -typedef struct lstring Lstring; typedef struct interpreter PerlInterpreter; -typedef struct ff FF; +#ifndef __BORLANDC__ +typedef struct ff FF; /* XXX not defined anywhere, should go? */ +#endif typedef struct sv SV; typedef struct av AV; typedef struct hv HV; typedef struct cv CV; typedef struct regexp REGEXP; typedef struct gp GP; -typedef struct sv GV; +typedef struct gv GV; typedef struct io IO; -typedef struct context CONTEXT; +typedef struct context PERL_CONTEXT; typedef struct block BLOCK; typedef struct magic MAGIC; typedef struct xrv XRV; typedef struct xpv XPV; typedef struct xpviv XPVIV; +typedef struct xpvuv XPVUV; typedef struct xpvnv XPVNV; typedef struct xpvmg XPVMG; typedef struct xpvlv XPVLV; @@ -543,11 +954,147 @@ typedef struct mgvtbl MGVTBL; typedef union any ANY; #include "handy.h" + +typedef I32 (*filter_t) _((int, SV *, int)); +#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len) +#define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx]) +#define FILTER_ISREADER(idx) (idx >= AvFILLp(rsfp_filters)) + +#ifdef DOSISH +# if defined(OS2) +# include "os2ish.h" +# else +# include "dosish.h" +# endif +#else +# if defined(VMS) +# include "vmsish.h" +# else +# if defined(PLAN9) +# include "./plan9/plan9ish.h" +# else +# include "unixish.h" +# endif +# endif +#endif + +/* + * USE_THREADS needs to be after unixish.h as includes + * which defines NSIG - which will stop inclusion of + * this results in many functions being undeclared which bothers C++ + * May make sense to have threads after "*ish.h" anyway + */ + +#ifdef USE_THREADS +# ifdef FAKE_THREADS +# include "fakethr.h" +# else +# ifdef WIN32 +# include +# else +# ifdef OS2 +# include "os2thread.h" +# else +# include +typedef pthread_t perl_os_thread; +typedef pthread_mutex_t perl_mutex; +typedef pthread_cond_t perl_cond; +typedef pthread_key_t perl_key; +# endif /* OS2 */ +# endif /* WIN32 */ +# endif /* FAKE_THREADS */ +#endif /* USE_THREADS */ + + + +#ifdef VMS +# define STATUS_NATIVE statusvalue_vms +# define STATUS_NATIVE_EXPORT \ + ((I32)statusvalue_vms == -1 ? 44 : statusvalue_vms) +# define STATUS_NATIVE_SET(n) \ + STMT_START { \ + statusvalue_vms = (n); \ + if ((I32)statusvalue_vms == -1) \ + statusvalue = -1; \ + else if (statusvalue_vms & STS$M_SUCCESS) \ + statusvalue = 0; \ + else if ((statusvalue_vms & STS$M_SEVERITY) == 0) \ + statusvalue = 1 << 8; \ + else \ + statusvalue = (statusvalue_vms & STS$M_SEVERITY) << 8; \ + } STMT_END +# define STATUS_POSIX statusvalue +# ifdef VMSISH_STATUS +# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX) +# else +# define STATUS_CURRENT STATUS_POSIX +# endif +# define STATUS_POSIX_SET(n) \ + STMT_START { \ + statusvalue = (n); \ + if (statusvalue != -1) { \ + statusvalue &= 0xFFFF; \ + statusvalue_vms = statusvalue ? 44 : 1; \ + } \ + else statusvalue_vms = -1; \ + } STMT_END +# define STATUS_ALL_SUCCESS (statusvalue = 0, statusvalue_vms = 1) +# define STATUS_ALL_FAILURE (statusvalue = 1, statusvalue_vms = 44) +#else +# define STATUS_NATIVE STATUS_POSIX +# define STATUS_NATIVE_EXPORT STATUS_POSIX +# define STATUS_NATIVE_SET STATUS_POSIX_SET +# define STATUS_POSIX statusvalue +# define STATUS_POSIX_SET(n) \ + STMT_START { \ + statusvalue = (n); \ + if (statusvalue != -1) \ + statusvalue &= 0xFFFF; \ + } STMT_END +# define STATUS_CURRENT STATUS_POSIX +# define STATUS_ALL_SUCCESS (statusvalue = 0) +# define STATUS_ALL_FAILURE (statusvalue = 1) +#endif + +/* Some unistd.h's give a prototype for pause() even though + HAS_PAUSE ends up undefined. This causes the #define + below to be rejected by the compmiler. Sigh. +*/ +#ifdef HAS_PAUSE +#define Pause pause +#else +#define Pause() sleep((32767<<16)+32767) +#endif + +#ifndef IOCPARM_LEN +# ifdef IOCPARM_MASK + /* on BSDish systes we're safe */ +# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK) +# else + /* otherwise guess at what's safe */ +# define IOCPARM_LEN(x) 256 +# endif +#endif + union any { void* any_ptr; I32 any_i32; + IV any_iv; + long any_long; + void (*any_dptr) _((void*)); }; +#ifdef USE_THREADS +#define ARGSproto struct perl_thread *thr +#else +#define ARGSproto void +#endif /* USE_THREADS */ + +/* Work around some cygwin32 problems with importing global symbols */ +#if defined(CYGWIN32) && defined(DLLIMPORT) +# include "cw32imp.h" +#endif + #include "regexp.h" #include "sv.h" #include "util.h" @@ -562,16 +1109,13 @@ union any { #include "mg.h" #include "scope.h" -#if defined(iAPX286) || defined(M_I286) || defined(I80286) -# define I286 +/* work around some libPW problems */ +#ifdef DOINIT +EXT char Error[1]; #endif -#ifndef STANDARD_C -# ifdef CHARSPRINTF - char *sprintf P((char *, ...)); -# else - int sprintf P((char *, ...)); -# endif +#if defined(iAPX286) || defined(M_I286) || defined(I80286) +# define I286 #endif #if defined(htonl) && !defined(HAS_HTONL) @@ -633,17 +1177,25 @@ union any { #define U_I(what) ((unsigned int)(what)) #define U_L(what) ((U32)(what)) #else -U32 cast_ulong P((double)); -#define U_S(what) ((U16)cast_ulong(what)) -#define U_I(what) ((unsigned int)cast_ulong(what)) -#define U_L(what) (cast_ulong(what)) +EXTERN_C U32 cast_ulong _((double)); +#define U_S(what) ((U16)cast_ulong((double)(what))) +#define U_I(what) ((unsigned int)cast_ulong((double)(what))) +#define U_L(what) (cast_ulong((double)(what))) #endif #ifdef CASTI32 #define I_32(what) ((I32)(what)) +#define I_V(what) ((IV)(what)) +#define U_V(what) ((UV)(what)) #else -I32 cast_i32 P((double)); -#define I_32(what) (cast_i32(what)) +START_EXTERN_C +I32 cast_i32 _((double)); +IV cast_iv _((double)); +UV cast_uv _((double)); +END_EXTERN_C +#define I_32(what) (cast_i32((double)(what))) +#define I_V(what) (cast_iv((double)(what))) +#define U_V(what) (cast_uv((double)(what))) #endif struct Outrec { @@ -656,20 +1208,21 @@ struct Outrec { # define MAXSYSFD 2 #endif -#ifndef DOSISH -#define TMPPATH "/tmp/perl-eXXXXXX" -#else -#define TMPPATH "plXXXXXX" -#endif /* MSDOS */ +#ifndef TMPPATH +# define TMPPATH "/tmp/perl-eXXXXXX" +#endif #ifndef __cplusplus -UIDTYPE getuid P(()); -UIDTYPE geteuid P(()); -GIDTYPE getgid P(()); -GIDTYPE getegid P(()); +Uid_t getuid _((void)); +Uid_t geteuid _((void)); +Gid_t getgid _((void)); +Gid_t getegid _((void)); #endif #ifdef DEBUGGING +#ifndef Perl_debug_log +#define Perl_debug_log PerlIO_stderr() +#endif #define YYDEBUG 1 #define DEB(a) a #define DEBUG(a) if (debug) a @@ -680,7 +1233,7 @@ GIDTYPE getegid P(()); #define DEBUG_o(a) if (debug & 16) a #define DEBUG_c(a) if (debug & 32) a #define DEBUG_P(a) if (debug & 64) a -#define DEBUG_m(a) if (debug & 128) a +#define DEBUG_m(a) if (curinterp && debug & 128) a #define DEBUG_f(a) if (debug & 256) a #define DEBUG_r(a) if (debug & 512) a #define DEBUG_x(a) if (debug & 1024) a @@ -711,26 +1264,30 @@ GIDTYPE getegid P(()); #endif #define YYMAXDEPTH 300 +#ifndef assert /* might have been included somehow */ #define assert(what) DEB( { \ if (!(what)) { \ croak("Assertion failed: file \"%s\", line %d", \ __FILE__, __LINE__); \ - exit(1); \ + PerlProc_exit(1); \ }}) +#endif struct ufuncs { - I32 (*uf_val)P((I32, SV*)); - I32 (*uf_set)P((I32, SV*)); - I32 uf_index; + I32 (*uf_val)_((IV, SV*)); + I32 (*uf_set)_((IV, SV*)); + IV uf_index; }; /* Fix these up for __STDC__ */ -char *mktemp P((char*)); -double atof P((const char*)); +#ifndef DONT_DECLARE_STD +char *mktemp _((char*)); +double atof _((const char*)); +#endif #ifndef STANDARD_C /* All of these are in stdlib.h or time.h for ANSI C */ -long time(); +Time_t time(); struct tm *gmtime(), *localtime(); char *strchr(), *strrchr(); char *strcpy(), *strcat(); @@ -740,46 +1297,64 @@ char *strcpy(), *strcat(); #ifdef I_MATH # include #else -# ifdef __cplusplus - extern "C" { -# endif - double exp P((double)); - double log P((double)); - double sqrt P((double)); - double modf P((double,int*)); - double sin P((double)); - double cos P((double)); - double atan2 P((double,double)); - double pow P((double,double)); -# ifdef __cplusplus - }; -# endif +START_EXTERN_C + double exp _((double)); + double log _((double)); + double log10 _((double)); + double sqrt _((double)); + double frexp _((double,int*)); + double ldexp _((double,int)); + double modf _((double,double*)); + double sin _((double)); + double cos _((double)); + double atan2 _((double,double)); + double pow _((double,double)); +END_EXTERN_C #endif - -char *crypt P((const char*, const char*)); -char *getenv P((const char*)); -long lseek P((int,int,int)); -char *getlogin P((void)); - -#ifdef EUNICE +#ifndef __cplusplus +# ifdef __NeXT__ /* or whatever catches all NeXTs */ +char *crypt (); /* Maybe more hosts will need the unprototyped version */ +# else +# if !defined(WIN32) || !defined(HAVE_DES_FCRYPT) +char *crypt _((const char*, const char*)); +# endif /* !WIN32 && !HAVE_CRYPT_SOURCE */ +# endif /* !__NeXT__ */ +# ifndef DONT_DECLARE_STD +# ifndef getenv +char *getenv _((const char*)); +# endif /* !getenv */ +Off_t lseek _((int,Off_t,int)); +# endif /* !DONT_DECLARE_STD */ +char *getlogin _((void)); +#endif /* !__cplusplus */ + +#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */ #define UNLINK unlnk -int unlnk P((char*)); +I32 unlnk _((char*)); #else #define UNLINK unlink #endif #ifndef HAS_SETREUID -#ifdef HAS_SETRESUID -#define setreuid(r,e) setresuid(r,e,-1) -#define HAS_SETREUID -#endif +# ifdef HAS_SETRESUID +# define setreuid(r,e) setresuid(r,e,(Uid_t)-1) +# define HAS_SETREUID +# endif #endif #ifndef HAS_SETREGID -#ifdef HAS_SETRESGID -#define setregid(r,e) setresgid(r,e,-1) -#define HAS_SETREGID +# ifdef HAS_SETRESGID +# define setregid(r,e) setresgid(r,e,(Gid_t)-1) +# define HAS_SETREGID +# endif #endif + +typedef Signal_t (*Sighandler_t) _((int)); + +#ifdef HAS_SIGACTION +typedef struct sigaction Sigsave_t; +#else +typedef Sighandler_t Sigsave_t; #endif #define SCAN_DEF 0 @@ -787,73 +1362,55 @@ int unlnk P((char*)); #define SCAN_REPL 2 #ifdef DEBUGGING -#define PAD_SV(po) pad_sv(po) +# ifndef register +# define register +# endif +# define PAD_SV(po) pad_sv(po) +# define RUNOPS_DEFAULT runops_debug #else -#define PAD_SV(po) curpad[po] +# define PAD_SV(po) curpad[po] +# define RUNOPS_DEFAULT runops_standard +#endif + +#ifdef MYMALLOC +# define MALLOC_INIT MUTEX_INIT(&malloc_mutex) +# define MALLOC_TERM MUTEX_DESTROY(&malloc_mutex) +#else +# define MALLOC_INIT +# define MALLOC_TERM +#endif + + +/* + * These need prototyping here because isn't + * included until after runops is initialised. + */ + +typedef int runops_proc_t _((void)); +int runops_standard _((void)); +#ifdef DEBUGGING +int runops_debug _((void)); #endif -/****************/ -/* Truly global */ -/****************/ +/* _ (for $_) must be first in the following list (DEFSV requires it) */ +#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@" -/* global state */ -EXT PerlInterpreter *curinterp; /* currently running interpreter */ +/* VMS doesn't use environ array and NeXT has problems with crt0.o globals */ +#if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__)) +#if !defined(DONT_DECLARE_STD) \ + || (defined(__svr4__) && defined(__GNUC__) && defined(sun)) \ + || defined(__sgi) || defined(__DGUX) extern char ** environ; /* environment variables supplied via exec */ -EXT int uid; /* current real user id */ -EXT int euid; /* current effective user id */ -EXT int gid; /* current real group id */ -EXT int egid; /* current effective group id */ -EXT bool nomemok; /* let malloc context handle nomem */ -EXT U32 an; /* malloc sequence number */ -EXT U32 cop_seqmax; /* statement sequence number */ -EXT U32 op_seqmax; /* op sequence number */ -EXT U32 evalseq; /* eval sequence number */ -EXT U32 sub_generation; /* inc to force methods to be looked up again */ -EXT char ** origenviron; -EXT U32 origalen; - -EXT I32 * xiv_root; /* free xiv list--shared by interpreters */ -EXT double * xnv_root; /* free xnv list--shared by interpreters */ -EXT XRV * xrv_root; /* free xrv list--shared by interpreters */ -EXT XPV * xpv_root; /* free xpv list--shared by interpreters */ - -/* Stack for currently executing thread--context switch must handle this. */ -EXT SV ** stack_base; /* stack->array_ary */ -EXT SV ** stack_sp; /* stack pointer now */ -EXT SV ** stack_max; /* stack->array_ary + stack->array_max */ - -/* likewise for these */ - -EXT OP * op; /* current op--oughta be in a global register */ - -EXT I32 * scopestack; /* blocks we've entered */ -EXT I32 scopestack_ix; -EXT I32 scopestack_max; - -EXT ANY* savestack; /* to save non-local values on */ -EXT I32 savestack_ix; -EXT I32 savestack_max; - -EXT OP ** retstack; /* returns we've pushed */ -EXT I32 retstack_ix; -EXT I32 retstack_max; - -EXT I32 * markstack; /* stackmarks we're remembering */ -EXT I32 * markstack_ptr; /* stackmarks we're remembering */ -EXT I32 * markstack_max; /* stackmarks we're remembering */ - -EXT SV ** curpad; - -/* temp space */ -EXT SV * Sv; -EXT XPV * Xpv; -EXT char buf[1024]; -EXT char tokenbuf[256]; -EXT struct stat statbuf; -#ifndef MSDOS -EXT struct tms timesbuf; -#endif -EXT STRLEN na; /* for use in SvPV when length is Not Applicable */ +#endif +#else +# if defined(NeXT) && defined(__DYNAMIC__) + +# include +EXT char *** environ_pointer; +# define environ (*environ_pointer) +# endif +#endif /* environ processing */ + /* for tmp use in stupid debuggers */ EXT int * di; @@ -861,57 +1418,94 @@ EXT short * ds; EXT char * dc; /* handy constants */ -EXT char * Yes INIT("1"); -EXT char * No INIT(""); -EXT char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx"); -EXT char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}"); -EXT char * vert INIT("|"); - -EXT char warn_uninit[] - INIT("Use of uninitialized variable"); -EXT char warn_nosemi[] +EXTCONST char warn_uninit[] + INIT("Use of uninitialized value"); +EXTCONST char warn_nosemi[] INIT("Semicolon seems to be missing"); -EXT char warn_reserved[] +EXTCONST char warn_reserved[] INIT("Unquoted string \"%s\" may clash with future reserved word"); -EXT char warn_nl[] +EXTCONST char warn_nl[] INIT("Unsuccessful %s on filename containing newline"); -EXT char no_usym[] +EXTCONST char no_wrongref[] + INIT("Can't use %s ref as %s ref"); +EXTCONST char no_symref[] + INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use"); +EXTCONST char no_usym[] INIT("Can't use an undefined value as %s reference"); -EXT char no_aelem[] +EXTCONST char no_aelem[] INIT("Modification of non-creatable array value attempted, subscript %d"); -EXT char no_helem[] +EXTCONST char no_helem[] INIT("Modification of non-creatable hash value attempted, subscript \"%s\""); -EXT char no_modify[] +EXTCONST char no_modify[] INIT("Modification of a read-only value attempted"); -EXT char no_mem[] +EXTCONST char no_mem[] INIT("Out of memory!\n"); -EXT char no_security[] +EXTCONST char no_security[] INIT("Insecure dependency in %s%s"); -EXT char no_sock_func[] +EXTCONST char no_sock_func[] INIT("Unsupported socket function \"%s\" called"); -EXT char no_dir_func[] +EXTCONST char no_dir_func[] INIT("Unsupported directory function \"%s\" called"); -EXT char no_func[] +EXTCONST char no_func[] INIT("The %s function is unimplemented"); +EXTCONST char no_myglob[] + INIT("\"my\" variable %s can't be in a package"); -EXT SV sv_undef; -EXT SV sv_no; -EXT SV sv_yes; -#ifdef CSH - EXT char * cshname INIT(CSH); - EXT I32 cshlen; +#ifdef DOINIT +EXT char *sig_name[] = { SIG_NAME }; +EXT int sig_num[] = { SIG_NUM }; +EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)]; +EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)]; +#else +EXT char *sig_name[]; +EXT int sig_num[]; +EXT SV * psig_ptr[]; +EXT SV * psig_name[]; #endif +/* fast case folding tables */ + #ifdef DOINIT -EXT char *sig_name[] = { - SIG_NAME,0 +EXTCONST unsigned char fold[] = { + 0, 1, 2, 3, 4, 5, 6, 7, + 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, + 32, 33, 34, 35, 36, 37, 38, 39, + 40, 41, 42, 43, 44, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, + 56, 57, 58, 59, 60, 61, 62, 63, + 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g', + 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', + 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', + 'x', 'y', 'z', 91, 92, 93, 94, 95, + 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G', + 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', + 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', + 'X', 'Y', 'Z', 123, 124, 125, 126, 127, + 128, 129, 130, 131, 132, 133, 134, 135, + 136, 137, 138, 139, 140, 141, 142, 143, + 144, 145, 146, 147, 148, 149, 150, 151, + 152, 153, 154, 155, 156, 157, 158, 159, + 160, 161, 162, 163, 164, 165, 166, 167, + 168, 169, 170, 171, 172, 173, 174, 175, + 176, 177, 178, 179, 180, 181, 182, 183, + 184, 185, 186, 187, 188, 189, 190, 191, + 192, 193, 194, 195, 196, 197, 198, 199, + 200, 201, 202, 203, 204, 205, 206, 207, + 208, 209, 210, 211, 212, 213, 214, 215, + 216, 217, 218, 219, 220, 221, 222, 223, + 224, 225, 226, 227, 228, 229, 230, 231, + 232, 233, 234, 235, 236, 237, 238, 239, + 240, 241, 242, 243, 244, 245, 246, 247, + 248, 249, 250, 251, 252, 253, 254, 255 }; #else -EXT char *sig_name[]; +EXTCONST unsigned char fold[]; #endif #ifdef DOINIT -EXT unsigned char fold[] = { /* fast case folding table */ +EXT unsigned char fold_locale[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, @@ -946,11 +1540,11 @@ EXT unsigned char fold[] = { /* fast case folding table */ 248, 249, 250, 251, 252, 253, 254, 255 }; #else -EXT unsigned char fold[]; +EXT unsigned char fold_locale[]; #endif #ifdef DOINIT -EXT unsigned char freq[] = { /* letter frequencies for mixed English/C */ +EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */ 1, 2, 84, 151, 154, 155, 156, 157, 165, 246, 250, 3, 158, 7, 18, 29, 40, 51, 62, 73, 85, 96, 107, 118, @@ -985,12 +1579,12 @@ EXT unsigned char freq[] = { /* letter frequencies for mixed English/C */ 138, 139, 141, 142, 143, 144, 145, 146 }; #else -EXT unsigned char freq[]; +EXTCONST unsigned char freq[]; #endif #ifdef DEBUGGING #ifdef DOINIT -EXT char* block_type[] = { +EXTCONST char* block_type[] = { "NULL", "SUB", "EVAL", @@ -999,7 +1593,7 @@ EXT char* block_type[] = { "BLOCK", }; #else -EXT char* block_type[]; +EXTCONST char* block_type[]; #endif #endif @@ -1008,336 +1602,230 @@ EXT char* block_type[]; /*****************************************************************************/ /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */ +#include "perly.h" + +#define LEX_NOTPARSING 11 /* borrowed from toke.c */ + typedef enum { XOPERATOR, XTERM, XREF, XSTATE, XBLOCK, + XTERMBLOCK } expectation; -EXT FILE * VOL rsfp INIT(Nullfp); -EXT SV * linestr; -EXT char * bufptr; -EXT char * oldbufptr; -EXT char * oldoldbufptr; -EXT char * bufend; -EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */ - -EXT I32 multi_start; /* 1st line of multi-line string */ -EXT I32 multi_end; /* last line of multi-line string */ -EXT I32 multi_open; /* delimiter of said string */ -EXT I32 multi_close; /* delimiter of said string */ - -EXT GV * scrgv; -EXT I32 error_count; /* how many errors so far, max 10 */ -EXT I32 subline; /* line this subroutine began on */ -EXT SV * subname; /* name of current subroutine */ - -EXT AV * comppad; /* storage for lexically scoped temporaries */ -EXT AV * comppad_name; /* variable names for "my" variables */ -EXT I32 comppad_name_fill;/* last "introduced" variable offset */ -EXT I32 min_intro_pending;/* start of vars to introduce */ -EXT I32 max_intro_pending;/* end of vars to introduce */ -EXT I32 padix; /* max used index in current "register" pad */ -EXT COP compiling; - -EXT SV * evstr; /* op_fold_const() temp string cache */ -EXT I32 thisexpr; /* name id for nothing_in_common() */ -EXT char * last_uni; /* position of last named-unary operator */ -EXT char * last_lop; /* position of last list operator */ -EXT OPCODE last_lop_op; /* last list operator */ -EXT bool in_format; /* we're compiling a run_format */ -EXT bool in_my; /* we're compiling a "my" declaration */ -EXT I32 needblockscope INIT(TRUE); /* block overhead needed? */ -#ifdef FCRYPT -EXT I32 cryptseen; /* has fast crypt() been initialized? */ -#endif - -/**************************************************************************/ -/* This regexp stuff is global since it always happens within 1 expr eval */ -/**************************************************************************/ - -EXT char * regprecomp; /* uncompiled string. */ -EXT char * regparse; /* Input-scan pointer. */ -EXT char * regxend; /* End of input for compile */ -EXT I32 regnpar; /* () count. */ -EXT char * regcode; /* Code-emit pointer; ®dummy = don't. */ -EXT I32 regsize; /* Code size. */ -EXT I32 regfold; /* are we folding? */ -EXT I32 regsawbracket; /* Did we do {d,d} trick? */ -EXT I32 regsawback; /* Did we see \1, ...? */ - -EXT char * reginput; /* String-input pointer. */ -EXT char regprev; /* char before regbol, \n if none */ -EXT char * regbol; /* Beginning of input, for ^ check. */ -EXT char * regeol; /* End of input, for $ check. */ -EXT char ** regstartp; /* Pointer to startp array. */ -EXT char ** regendp; /* Ditto for endp. */ -EXT char * reglastparen; /* Similarly for lastparen. */ -EXT char * regtill; /* How far we are required to go. */ -EXT I32 regmyp_size; -EXT char ** regmystartp; -EXT char ** regmyendp; - -/***********************************************/ -/* Global only to current interpreter instance */ -/***********************************************/ -#ifdef MULTIPLICITY -#define IEXT -#define IINIT(x) -struct interpreter { + /* Note: the lowest 8 bits are reserved for + stuffing into op->op_private */ +#define HINT_INTEGER 0x00000001 +#define HINT_STRICT_REFS 0x00000002 + +#define HINT_BLOCK_SCOPE 0x00000100 +#define HINT_STRICT_SUBS 0x00000200 +#define HINT_STRICT_VARS 0x00000400 +#define HINT_LOCALE 0x00000800 + +/* Various states of an input record separator SV (rs, nrs) */ +#define RsSNARF(sv) (! SvOK(sv)) +#define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv)) +#define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv)) + +/* Set up PERLVAR macros for populating structs */ +#define PERLVAR(var,type) type var; +#define PERLVARI(var,type,init) type var; +#define PERLVARIC(var,type,init) type var; + +#ifdef PERL_GLOBAL_STRUCT +struct perl_vars { +#include "perlvars.h" +}; + +#ifdef PERL_CORE +EXT struct perl_vars Perl_Vars; +EXT struct perl_vars *Perl_VarsPtr INIT(&Perl_Vars); #else -#define IEXT EXT -#define IINIT(x) INIT(x) -#endif - -/* pseudo environmental stuff */ -IEXT int Iorigargc; -IEXT char ** Iorigargv; -IEXT GV * Ienvgv; -IEXT GV * Isiggv; -IEXT GV * Iincgv; -IEXT char * Iorigfilename; - -/* switches */ -IEXT char * Icddir; -IEXT bool Iminus_c; -IEXT char Ipatchlevel[6]; -IEXT char * Inrs IINIT("\n"); -IEXT U32 Inrschar IINIT('\n'); /* final char of rs, or 0777 if none */ -IEXT I32 Inrslen IINIT(1); -IEXT bool Ipreprocess; -IEXT bool Iminus_n; -IEXT bool Iminus_p; -IEXT bool Iminus_l; -IEXT bool Iminus_a; -IEXT bool Idoswitches; -IEXT bool Idowarn; -IEXT bool Idoextract; -IEXT bool Isawampersand; /* must save all match strings */ -IEXT bool Isawstudy; /* do fbm_instr on all strings */ -IEXT bool Isawi; /* study must assume case insensitive */ -IEXT bool Isawvec; -IEXT bool Iunsafe; -IEXT bool Ido_undump; /* -u or dump seen? */ -IEXT char * Iinplace; -IEXT char * Ie_tmpname; -IEXT FILE * Ie_fp; -IEXT VOL U32 Idebug; -IEXT U32 Iperldb; - -/* magical thingies */ -IEXT time_t Ibasetime; /* $^T */ -IEXT I32 Iarybase; /* $[ */ -IEXT SV * Iformfeed; /* $^L */ -IEXT char * Ichopset IINIT(" \n-"); /* $: */ -IEXT char * Irs IINIT("\n"); /* $/ */ -IEXT U32 Irschar IINIT('\n'); /* final char of rs, or 0777 if none */ -IEXT STRLEN Irslen IINIT(1); -IEXT bool Irspara; -IEXT char * Iofs; /* $, */ -IEXT STRLEN Iofslen; -IEXT char * Iors; /* $\ */ -IEXT STRLEN Iorslen; -IEXT char * Iofmt; /* $# */ -IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */ -IEXT int Imultiline; /* $*--do strings hold >1 line? */ -IEXT U16 Istatusvalue; /* $? */ - -IEXT struct stat Istatcache; /* _ */ -IEXT GV * Istatgv; -IEXT SV * Istatname IINIT(Nullsv); - -/* shortcuts to various I/O objects */ -IEXT GV * Istdingv; -IEXT GV * Ilast_in_gv; -IEXT GV * Idefgv; -IEXT GV * Iargvgv; -IEXT GV * Idefoutgv; -IEXT GV * Icuroutgv; -IEXT GV * Iargvoutgv; - -/* shortcuts to regexp stuff */ -IEXT GV * Ileftgv; -IEXT GV * Iampergv; -IEXT GV * Irightgv; -IEXT PMOP * Icurpm; /* what to do \ interps from */ -IEXT I32 * Iscreamfirst; -IEXT I32 * Iscreamnext; -IEXT I32 Imaxscream IINIT(-1); -IEXT SV * Ilastscream; - -/* shortcuts to debugging objects */ -IEXT GV * IDBgv; -IEXT GV * IDBline; -IEXT GV * IDBsub; -IEXT SV * IDBsingle; -IEXT SV * IDBtrace; -IEXT SV * IDBsignal; -IEXT AV * Ilineary; /* lines of script for debugger */ -IEXT AV * Idbargs; /* args to call listed by caller function */ - -/* symbol tables */ -IEXT HV * Idefstash; /* main symbol table */ -IEXT HV * Icurstash; /* symbol table for current package */ -IEXT HV * Idebstash; /* symbol table for perldb package */ -IEXT SV * Icurstname; /* name of current package */ -IEXT AV * Ibeginav; /* names of BEGIN subroutines */ -IEXT AV * Iendav; /* names of END subroutines */ -IEXT AV * Ipad; /* storage for lexically scoped temporaries */ -IEXT AV * Ipadname; /* variable names for "my" variables */ - -/* memory management */ -IEXT SV ** Itmps_stack; -IEXT I32 Itmps_ix IINIT(-1); -IEXT I32 Itmps_floor IINIT(-1); -IEXT I32 Itmps_max; -IEXT I32 Isv_count; /* how many SV* are currently allocated */ -IEXT I32 Isv_rvcount; /* how many RV* are currently allocated */ -IEXT SV* Isv_root; /* storage for SVs belonging to interp */ -IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */ - -/* funky return mechanisms */ -IEXT I32 Ilastspbase; -IEXT I32 Ilastsize; -IEXT int Iforkprocess; /* so do_open |- can return proc# */ - -/* subprocess state */ -IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */ -IEXT HV * Ipidstatus; /* keep pid-to-status mappings for waitpid */ - -/* internal state */ -IEXT VOL int Iin_eval; /* trap "fatal" errors? */ -IEXT OP * Irestartop; /* Are we propagating an error from croak? */ -IEXT int Idelaymagic; /* ($<,$>) = ... */ -IEXT bool Idirty; /* clean before rerunning */ -IEXT bool Ilocalizing; /* are we processing a local() list? */ -IEXT bool Itainted; /* using variables controlled by $< */ -IEXT bool Itainting; /* doing taint checks */ - -/* trace state */ -IEXT I32 Idlevel; -IEXT I32 Idlmax IINIT(128); -IEXT char * Idebname; -IEXT char * Idebdelim; - -/* current interpreter roots */ -IEXT OP * Imain_root; -IEXT OP * Imain_start; -IEXT OP * Ieval_root; -IEXT OP * Ieval_start; - -/* runtime control stuff */ -IEXT COP * VOL Icurcop IINIT(&compiling); -IEXT line_t Icopline IINIT(NOLINE); -IEXT CONTEXT * Icxstack; -IEXT I32 Icxstack_ix IINIT(-1); -IEXT I32 Icxstack_max IINIT(128); -IEXT jmp_buf Itop_env; - -/* stack stuff */ -IEXT AV * Istack; /* THE STACK */ -IEXT AV * Imainstack; /* the stack when nothing funny is happening */ -IEXT SV ** Imystack_base; /* stack->array_ary */ -IEXT SV ** Imystack_sp; /* stack pointer now */ -IEXT SV ** Imystack_max; /* stack->array_ary + stack->array_max */ - -/* format accumulators */ -IEXT SV * Iformtarget; -IEXT SV * Ibodytarget; -IEXT SV * Itoptarget; - -/* statics moved here for shared library purposes */ -IEXT SV Istrchop; /* return value from chop */ -IEXT int Ifilemode; /* so nextargv() can preserve mode */ -IEXT int Ilastfd; /* what to preserve mode on */ -IEXT char * Ioldname; /* what to preserve mode on */ -IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */ -IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */ -IEXT OP * Isortcop; /* user defined sort routine */ -IEXT HV * Isortstash; /* which is in some package or other */ -IEXT GV * Ifirstgv; /* $a */ -IEXT GV * Isecondgv; /* $b */ -IEXT AV * Isortstack; /* temp stack during pp_sort() */ -IEXT AV * Isignalstack; /* temp stack during sighandler() */ -IEXT SV * Imystrk; /* temp key string for do_each() */ -IEXT I32 Idumplvl; /* indentation level on syntax tree dump */ -IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */ -IEXT I32 Igensym; /* next symbol for getsym() to define */ -IEXT bool Ipreambled; -IEXT int Ilaststatval IINIT(-1); -IEXT I32 Ilaststype IINIT(OP_STAT); - -#undef IEXT -#undef IINIT +#if !defined(__GNUC__) || !defined(WIN32) +EXT +#endif +struct perl_vars *Perl_VarsPtr; +#define Perl_Vars (*((Perl_VarsPtr) ? Perl_VarsPtr : (Perl_VarsPtr = Perl_GetVars()))) +#endif +#endif /* PERL_GLOBAL_STRUCT */ #ifdef MULTIPLICITY +/* If we have multiple interpreters define a struct + holding variables which must be per-interpreter + If we don't have threads anything that would have + be per-thread is per-interpreter. +*/ + +struct interpreter { +#ifndef USE_THREADS +#include "thrdvar.h" +#endif +#include "intrpvar.h" }; + #else struct interpreter { char broiled; }; #endif -#include "pp.h" +#ifdef USE_THREADS +/* If we have threads define a struct with all the variables + * that have to be per-thread + */ -#ifdef __cplusplus -extern "C" { + +struct perl_thread { +#include "thrdvar.h" +}; + +typedef struct perl_thread *Thread; + +#else +typedef void *Thread; #endif +/* Done with PERLVAR macros for now ... */ +#undef PERLVAR +#undef PERLVARI +#undef PERLVARIC + +#include "thread.h" +#include "pp.h" #include "proto.h" -#ifdef __cplusplus -}; +#ifdef EMBED +#define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr) +#define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr) +#else +#define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr) +#define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr) #endif -/* The following must follow proto.h */ +/* The following must follow proto.h as #defines mess up syntax */ + +#include "embedvar.h" + +/* Now include all the 'global' variables + * If we don't have threads or multiple interpreters + * these include variables that would have been their struct-s + */ + +#define PERLVAR(var,type) EXT type var; +#define PERLVARI(var,type,init) EXT type var INIT(init); +#define PERLVARIC(var,type,init) EXTCONST type var INIT(init); + +#ifndef PERL_GLOBAL_STRUCT +#include "perlvars.h" +#endif + +#ifndef MULTIPLICITY + +#ifndef USE_THREADS +#include "thrdvar.h" +#endif + +#include "intrpvar.h" +#endif + + +#undef PERLVAR +#undef PERLVARI +#undef PERLVARIC + +#if defined(HASATTRIBUTE) && defined(WIN32) +/* + * This provides a layer of functions and macros to ensure extensions will + * get to use the same RTL functions as the core. + * It has to go here or #define of printf messes up __attribute__ + * stuff in proto.h + */ +# include +#endif /* WIN32 */ #ifdef DOINIT -MGVTBL vtbl_sv = {magic_get, + +EXT MGVTBL vtbl_sv = {magic_get, magic_set, magic_len, 0, 0}; -MGVTBL vtbl_env = {0, 0, 0, 0, 0}; -MGVTBL vtbl_envelem = {0, magic_setenv, - 0, 0, 0}; -MGVTBL vtbl_sig = {0, 0, 0, 0, 0}; -MGVTBL vtbl_sigelem = {0, magic_setsig, - 0, 0, 0}; -MGVTBL vtbl_pack = {0, 0, - 0, 0, 0}; -MGVTBL vtbl_packelem = {magic_getpack, +EXT MGVTBL vtbl_env = {0, magic_set_all_env, + 0, magic_clear_all_env, + 0}; +EXT MGVTBL vtbl_envelem = {0, magic_setenv, + 0, magic_clearenv, + 0}; +EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0}; +EXT MGVTBL vtbl_sigelem = {magic_getsig, + magic_setsig, + 0, magic_clearsig, + 0}; +EXT MGVTBL vtbl_pack = {0, 0, magic_sizepack, magic_wipepack, + 0}; +EXT MGVTBL vtbl_packelem = {magic_getpack, magic_setpack, 0, magic_clearpack, 0}; -MGVTBL vtbl_dbline = {0, magic_setdbline, +EXT MGVTBL vtbl_dbline = {0, magic_setdbline, 0, 0, 0}; -MGVTBL vtbl_isa = {0, magic_setisa, - 0, 0, 0}; -MGVTBL vtbl_isaelem = {0, magic_setisa, +EXT MGVTBL vtbl_isa = {0, magic_setisa, + 0, magic_setisa, + 0}; +EXT MGVTBL vtbl_isaelem = {0, magic_setisa, 0, 0, 0}; -MGVTBL vtbl_arylen = {magic_getarylen, +EXT MGVTBL vtbl_arylen = {magic_getarylen, magic_setarylen, 0, 0, 0}; -MGVTBL vtbl_glob = {magic_getglob, +EXT MGVTBL vtbl_glob = {magic_getglob, magic_setglob, 0, 0, 0}; -MGVTBL vtbl_mglob = {0, magic_setmglob, +EXT MGVTBL vtbl_mglob = {0, magic_setmglob, + 0, 0, 0}; +EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys, 0, 0, 0}; -MGVTBL vtbl_taint = {magic_gettaint,magic_settaint, +EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint, 0, 0, 0}; -MGVTBL vtbl_substr = {0, magic_setsubstr, +EXT MGVTBL vtbl_substr = {0, magic_setsubstr, 0, 0, 0}; -MGVTBL vtbl_vec = {0, magic_setvec, +EXT MGVTBL vtbl_vec = {0, magic_setvec, 0, 0, 0}; -MGVTBL vtbl_bm = {0, magic_setbm, +EXT MGVTBL vtbl_pos = {magic_getpos, + magic_setpos, 0, 0, 0}; -MGVTBL vtbl_uvar = {magic_getuvar, +EXT MGVTBL vtbl_bm = {0, magic_setbm, + 0, 0, 0}; +EXT MGVTBL vtbl_fm = {0, magic_setfm, + 0, 0, 0}; +EXT MGVTBL vtbl_uvar = {magic_getuvar, magic_setuvar, 0, 0, 0}; -#else +#ifdef USE_THREADS +EXT MGVTBL vtbl_mutex = {0, 0, 0, 0, magic_mutexfree}; +#endif /* USE_THREADS */ +EXT MGVTBL vtbl_defelem = {magic_getdefelem,magic_setdefelem, + 0, 0, magic_freedefelem}; + +EXT MGVTBL vtbl_regexp = {0,0,0,0, magic_freeregexp}; + +#ifdef USE_LOCALE_COLLATE +EXT MGVTBL vtbl_collxfrm = {0, + magic_setcollxfrm, + 0, 0, 0}; +#endif + +#ifdef OVERLOAD +EXT MGVTBL vtbl_amagic = {0, magic_setamagic, + 0, 0, magic_setamagic}; +EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic, + 0, 0, magic_setamagic}; +#endif /* OVERLOAD */ + +#else /* !DOINIT */ + EXT MGVTBL vtbl_sv; EXT MGVTBL vtbl_env; EXT MGVTBL vtbl_envelem; @@ -1351,9 +1839,224 @@ EXT MGVTBL vtbl_isaelem; EXT MGVTBL vtbl_arylen; EXT MGVTBL vtbl_glob; EXT MGVTBL vtbl_mglob; +EXT MGVTBL vtbl_nkeys; EXT MGVTBL vtbl_taint; EXT MGVTBL vtbl_substr; EXT MGVTBL vtbl_vec; +EXT MGVTBL vtbl_pos; EXT MGVTBL vtbl_bm; +EXT MGVTBL vtbl_fm; EXT MGVTBL vtbl_uvar; + +#ifdef USE_THREADS +EXT MGVTBL vtbl_mutex; +#endif /* USE_THREADS */ + +EXT MGVTBL vtbl_defelem; +EXT MGVTBL vtbl_regexp; + +#ifdef USE_LOCALE_COLLATE +EXT MGVTBL vtbl_collxfrm; #endif + +#ifdef OVERLOAD +EXT MGVTBL vtbl_amagic; +EXT MGVTBL vtbl_amagicelem; +#endif /* OVERLOAD */ + +#endif /* !DOINIT */ + +#ifdef OVERLOAD + +#define NofAMmeth 58 +#ifdef DOINIT +EXTCONST char * AMG_names[NofAMmeth] = { + "fallback", "abs", /* "fallback" should be the first. */ + "bool", "nomethod", + "\"\"", "0+", + "+", "+=", + "-", "-=", + "*", "*=", + "/", "/=", + "%", "%=", + "**", "**=", + "<<", "<<=", + ">>", ">>=", + "&", "&=", + "|", "|=", + "^", "^=", + "<", "<=", + ">", ">=", + "==", "!=", + "<=>", "cmp", + "lt", "le", + "gt", "ge", + "eq", "ne", + "!", "~", + "++", "--", + "atan2", "cos", + "sin", "exp", + "log", "sqrt", + "x", "x=", + ".", ".=", + "=", "neg" +}; +#else +EXTCONST char * AMG_names[NofAMmeth]; +#endif /* def INITAMAGIC */ + +struct am_table { + long was_ok_sub; + long was_ok_am; + U32 flags; + CV* table[NofAMmeth]; + long fallback; +}; +struct am_table_short { + long was_ok_sub; + long was_ok_am; + U32 flags; +}; +typedef struct am_table AMT; +typedef struct am_table_short AMTS; + +#define AMGfallNEVER 1 +#define AMGfallNO 2 +#define AMGfallYES 3 + +#define AMTf_AMAGIC 1 +#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC) +#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC) +#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC) + +enum { + fallback_amg, abs_amg, + bool__amg, nomethod_amg, + string_amg, numer_amg, + add_amg, add_ass_amg, + subtr_amg, subtr_ass_amg, + mult_amg, mult_ass_amg, + div_amg, div_ass_amg, + mod_amg, mod_ass_amg, + pow_amg, pow_ass_amg, + lshift_amg, lshift_ass_amg, + rshift_amg, rshift_ass_amg, + band_amg, band_ass_amg, + bor_amg, bor_ass_amg, + bxor_amg, bxor_ass_amg, + lt_amg, le_amg, + gt_amg, ge_amg, + eq_amg, ne_amg, + ncmp_amg, scmp_amg, + slt_amg, sle_amg, + sgt_amg, sge_amg, + seq_amg, sne_amg, + not_amg, compl_amg, + inc_amg, dec_amg, + atan2_amg, cos_amg, + sin_amg, exp_amg, + log_amg, sqrt_amg, + repeat_amg, repeat_ass_amg, + concat_amg, concat_ass_amg, + copy_amg, neg_amg +}; + +/* + * some compilers like to redefine cos et alia as faster + * (and less accurate?) versions called F_cos et cetera (Quidquid + * latine dictum sit, altum viditur.) This trick collides with + * the Perl overloading (amg). The following #defines fool both. + */ + +#ifdef _FASTMATH +# ifdef atan2 +# define F_atan2_amg atan2_amg +# endif +# ifdef cos +# define F_cos_amg cos_amg +# endif +# ifdef exp +# define F_exp_amg exp_amg +# endif +# ifdef log +# define F_log_amg log_amg +# endif +# ifdef pow +# define F_pow_amg pow_amg +# endif +# ifdef sin +# define F_sin_amg sin_amg +# endif +# ifdef sqrt +# define F_sqrt_amg sqrt_amg +# endif +#endif /* _FASTMATH */ + +#endif /* OVERLOAD */ + +#define PERLDB_ALL 0xff +#define PERLDBf_SUB 0x01 /* Debug sub enter/exit. */ +#define PERLDBf_LINE 0x02 /* Keep line #. */ +#define PERLDBf_NOOPT 0x04 /* Switch off optimizations. */ +#define PERLDBf_INTER 0x08 /* Preserve more data for + later inspections. */ +#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines. */ +#define PERLDBf_SINGLE 0x20 /* Start with single-step on. */ + +#define PERLDB_SUB (perldb && (perldb & PERLDBf_SUB)) +#define PERLDB_LINE (perldb && (perldb & PERLDBf_LINE)) +#define PERLDB_NOOPT (perldb && (perldb & PERLDBf_NOOPT)) +#define PERLDB_INTER (perldb && (perldb & PERLDBf_INTER)) +#define PERLDB_SUBLINE (perldb && (perldb & PERLDBf_SUBLINE)) +#define PERLDB_SINGLE (perldb && (perldb & PERLDBf_SINGLE)) + + +#ifdef USE_LOCALE_NUMERIC + +#define SET_NUMERIC_STANDARD() \ + STMT_START { \ + if (! numeric_standard) \ + perl_set_numeric_standard(); \ + } STMT_END + +#define SET_NUMERIC_LOCAL() \ + STMT_START { \ + if (! numeric_local) \ + perl_set_numeric_local(); \ + } STMT_END + +#else /* !USE_LOCALE_NUMERIC */ + +#define SET_NUMERIC_STANDARD() /**/ +#define SET_NUMERIC_LOCAL() /**/ + +#endif /* !USE_LOCALE_NUMERIC */ + +#if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE) +/* + * Now we have __attribute__ out of the way + * Remap printf + */ +#define printf PerlIO_stdoutf +#endif + +#ifndef PERL_SCRIPT_MODE +#define PERL_SCRIPT_MODE "r" +#endif + +/* + * nice_chunk and nice_chunk size need to be set + * and queried under the protection of sv_mutex + */ +#define offer_nice_chunk(chunk, chunk_size) do { \ + LOCK_SV_MUTEX; \ + if (!nice_chunk) { \ + nice_chunk = (char*)(chunk); \ + nice_chunk_size = (chunk_size); \ + } \ + UNLOCK_SV_MUTEX; \ + } while (0) + + +#endif /* Include guard */ +