/* perl.h
*
- * Copyright (c) 1987-1994, 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.
#include "embed.h"
+#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
* Trying to select a version that gives no warnings...
*/
#if !(defined(STMT_START) && defined(STMT_END))
-# if defined(__GNUC__) && !defined(__STRICT_ANSI__)
+# if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(__cplusplus)
# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
# define STMT_END )
# else
# endif
#endif
+#define NOOP (void)0
+
+#define WITH_THR(s) do { dTHR; s; } while (0)
+
+#ifdef USE_THREADS
+# ifdef FAKE_THREADS
+# include "fakethr.h"
+# else
+# ifdef WIN32
+# include "win32/win32thread.h"
+# else
+# include <pthread.h>
+typedef pthread_mutex_t perl_mutex;
+typedef pthread_cond_t perl_cond;
+typedef pthread_key_t perl_key;
+# endif /* WIN32 */
+# endif /* FAKE_THREADS */
+#endif /* USE_THREADS */
+
/*
* 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.
*/
/* 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
# define STANDARD_C 1
#endif
+#if defined(__cplusplus) || defined(WIN32)
+# define DONT_DECLARE_STD 1
+#endif
+
#if defined(HASVOLATILE) || defined(STANDARD_C)
# ifdef __cplusplus
# define VOL // to temporarily suppress warnings
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)
-# else
-# define memzero(d,l) my_bzero(d,l)
-# endif
-# endif
+# define memset(d,c,l) my_memset(d,c,l)
#endif /* HAS_MEMSET */
#if !defined(HAS_MEMMOVE) && !defined(memmove)
# endif
#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
+#ifndef memzero
+# ifdef HAS_MEMSET
+# define memzero(d,l) memset(d,0,l)
+# else
+# ifdef HAS_BZERO
+# define memzero(d,l) bzero(d,l)
+# else
+# define memzero(d,l) my_bzero(d,l)
+# endif
+# endif
+#endif
+
#ifndef HAS_BCMP
# ifndef bcmp
# define bcmp(s1,s2,l) memcmp(s1,s2,l)
# include <netinet/in.h>
#endif
+#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
+/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
+ * (the neo-BSD seem to do this). */
+# undef SF_APPEND
+#endif
+
#ifdef I_SYS_STAT
-#include <sys/stat.h>
+# include <sys/stat.h>
#endif
/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
# ifdef VMS
char *strerror _((int,...));
# else
+#ifndef DONT_DECLARE_STD
char *strerror _((int));
+#endif
# endif
# ifndef Strerror
# define Strerror strerror
# endif
#endif
-#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$M_SEVERITY) << 8; \
- } STMT_END
-# define STATUS_POSIX statusvalue
-# ifdef VMSISH_STATUS
-# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
-# else
-# define STATUS_CURRENT STATUS_POSIX
-# endif
-# define STATUS_POSIX_SET(n) \
- STMT_START { \
- statusvalue = (n); \
- if (statusvalue != -1) { \
- statusvalue &= 0xFFFF; \
- statusvalue_vms = statusvalue ? 44 : 1; \
- } \
- else statusvalue_vms = -1; \
- } STMT_END
-# define STATUS_ALL_SUCCESS (statusvalue = 0, statusvalue_vms = 1)
-# define STATUS_ALL_FAILURE (statusvalue = 1, statusvalue_vms = 44)
-#else
-# define STATUS_NATIVE STATUS_POSIX
-# define STATUS_NATIVE_EXPORT STATUS_POSIX
-# define STATUS_NATIVE_SET STATUS_POSIX_SET
-# define STATUS_POSIX statusvalue
-# define STATUS_POSIX_SET(n) \
- STMT_START { \
- statusvalue = (n); \
- if (statusvalue != -1) \
- statusvalue &= 0xFFFF; \
- } STMT_END
-# define STATUS_CURRENT STATUS_POSIX
-# define STATUS_ALL_SUCCESS (statusvalue = 0)
-# define STATUS_ALL_FAILURE (statusvalue = 1)
-#endif
-
#ifdef I_SYS_IOCTL
# ifndef _IOCTL_
# include <sys/ioctl.h>
#endif
+/* Digital UNIX defines a typedef CONTEXT when pthreads is in use */
+#if defined(__osf__)
+# define CONTEXT PERL_CONTEXT
+#endif
+
typedef MEM_SIZE STRLEN;
typedef struct op OP;
typedef struct Outrec Outrec;
typedef struct interpreter PerlInterpreter;
-typedef struct ff FF;
+#ifndef __BORLANDC__
+typedef struct ff FF; /* XXX not defined anywhere, should go? */
+#endif
typedef struct sv SV;
typedef struct av AV;
typedef struct hv HV;
# endif
#endif
+#ifdef VMS
+# define STATUS_NATIVE statusvalue_vms
+# define STATUS_NATIVE_EXPORT \
+ ((I32)statusvalue_vms == -1 ? 44 : statusvalue_vms)
+# define STATUS_NATIVE_SET(n) \
+ STMT_START { \
+ statusvalue_vms = (n); \
+ if ((I32)statusvalue_vms == -1) \
+ statusvalue = -1; \
+ else if (statusvalue_vms & STS$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.
void (*any_dptr) _((void*));
};
+#ifdef USE_THREADS
+#define ARGSproto struct thread *
+#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"
};
/* Fix these up for __STDC__ */
-#ifndef __cplusplus
+#ifndef DONT_DECLARE_STD
char *mktemp _((char*));
double atof _((const char*));
#endif
# endif
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));
#else
char *crypt _((const char*, const char*));
#endif
+#ifndef DONT_DECLARE_STD
+#ifndef getenv
char *getenv _((const char*));
+#endif
Off_t lseek _((int,Off_t,int));
+#endif
char *getlogin _((void));
#endif
# ifndef register
# define register
# endif
-# ifdef MYMALLOC
-# ifndef DEBUGGING_MSTATS
-# define DEBUGGING_MSTATS
-# endif
-# endif
# define PAD_SV(po) pad_sv(po)
+# define RUNOPS_DEFAULT runops_debug
#else
# define PAD_SV(po) curpad[po]
+# define RUNOPS_DEFAULT runops_standard
+#endif
+
+/*
+ * These need prototyping here because <proto.h> isn't
+ * included until after runops is initialised.
+ */
+
+int runops_standard _((void));
+#ifdef DEBUGGING
+int runops_debug _((void));
#endif
/****************/
/* global state */
EXT PerlInterpreter * curinterp; /* currently running interpreter */
+#ifdef USE_THREADS
+EXT perl_key thr_key; /* For per-thread struct thread ptr */
+EXT perl_mutex sv_mutex; /* Mutex for allocating SVs in sv.c */
+EXT perl_mutex malloc_mutex; /* Mutex for malloc */
+EXT perl_mutex eval_mutex; /* Mutex for doeval */
+EXT perl_cond eval_cond; /* Condition variable for doeval */
+EXT struct thread * eval_owner; /* Owner thread for doeval */
+EXT int nthreads; /* Number of threads currently */
+EXT perl_mutex threads_mutex; /* Mutex for nthreads and thread list */
+EXT perl_cond nthreads_cond; /* Condition variable for nthreads */
+#ifdef FAKE_THREADS
+EXT struct thread * thr; /* Currently executing (fake) thread */
+#endif
+#endif /* USE_THREADS */
+
/* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
#if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
+#ifndef DONT_DECLARE_STD
extern char ** environ; /* environment variables supplied via exec */
+#endif
#else
# if defined(NeXT) && defined(__DYNAMIC__)
EXT int maxo INIT(MAXO);/* Number of ops */
EXT char * osname; /* operating system */
EXT char * sh_path INIT(SH_PATH); /* full path of shell */
+EXT Sighandler_t sighandlerp;
EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
/* likewise for these */
-EXT OP * op; /* current op--oughta be in a global register */
-
+#ifdef OP_IN_REGISTER
+EXT OP * opsave; /* save current op register across longjmps */
+#else
+EXT OP * op; /* current op--when not in a global register */
+#endif
+EXT int (*runops) _((void)) INIT(RUNOPS_DEFAULT);
EXT I32 * scopestack; /* blocks we've entered */
EXT I32 scopestack_ix;
EXT I32 scopestack_max;
/* temp space */
EXT SV * Sv;
EXT XPV * Xpv;
-EXT char buf[2048]; /* should be longer than PATH_MAX */
EXT char tokenbuf[256];
EXT struct stat statbuf;
#ifdef HAS_TIMES
EXTCONST char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
EXTCONST char * vert INIT("|");
-EXTCONST char warn_uninit[]
+EXTCONST char warn_uninit[]
INIT("Use of uninitialized value");
-EXTCONST char warn_nosemi[]
+EXTCONST char warn_nosemi[]
INIT("Semicolon seems to be missing");
-EXTCONST char warn_reserved[]
+EXTCONST char warn_reserved[]
INIT("Unquoted string \"%s\" may clash with future reserved word");
-EXTCONST char warn_nl[]
+EXTCONST char warn_nl[]
INIT("Unsuccessful %s on filename containing newline");
-EXTCONST char no_wrongref[]
+EXTCONST char no_wrongref[]
INIT("Can't use %s ref as %s ref");
-EXTCONST char no_symref[]
+EXTCONST char no_symref[]
INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
-EXTCONST char no_usym[]
+EXTCONST char no_usym[]
INIT("Can't use an undefined value as %s reference");
-EXTCONST char no_aelem[]
+EXTCONST char no_aelem[]
INIT("Modification of non-creatable array value attempted, subscript %d");
-EXTCONST char no_helem[]
+EXTCONST char no_helem[]
INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
-EXTCONST char no_modify[]
+EXTCONST char no_modify[]
INIT("Modification of a read-only value attempted");
-EXTCONST char no_mem[]
+EXTCONST char no_mem[]
INIT("Out of memory!\n");
-EXTCONST char no_security[]
+EXTCONST char no_security[]
INIT("Insecure dependency in %s%s");
-EXTCONST char no_sock_func[]
+EXTCONST char no_sock_func[]
INIT("Unsupported socket function \"%s\" called");
-EXTCONST char no_dir_func[]
+EXTCONST char no_dir_func[]
INIT("Unsupported directory function \"%s\" called");
-EXTCONST char no_func[]
+EXTCONST char no_func[]
INIT("The %s function is unimplemented");
-EXTCONST char no_myglob[]
+EXTCONST char no_myglob[]
INIT("\"my\" variable %s can't be in a package");
EXT SV sv_undef;
#include "perly.h"
+#define LEX_NOTPARSING 11 /* borrowed from toke.c */
+
typedef enum {
XOPERATOR,
XTERM,
EXT char * last_lop; /* position of last list operator */
EXT OPCODE last_lop_op; /* last list operator */
EXT bool in_my; /* we're compiling a "my" declaration */
+EXT HV * in_my_stash; /* declared class of this "my" declaration */
#ifdef FCRYPT
EXT I32 cryptseen; /* has fast crypt() been initialized? */
#endif
IEXT SV * Icurstname; /* name of current package */
IEXT AV * Ibeginav; /* names of BEGIN subroutines */
IEXT AV * Iendav; /* names of END subroutines */
+IEXT AV * Iinitav; /* names of INIT subroutines */
IEXT HV * Istrtab; /* shared string table */
/* memory management */
IEXT CONTEXT * Icxstack;
IEXT I32 Icxstack_ix IINIT(-1);
IEXT I32 Icxstack_max IINIT(128);
-IEXT Sigjmp_buf Itop_env;
+IEXT JMPENV Istart_env; /* empty startup sigjmp() environment */
+IEXT JMPENV * Itop_env; /* ptr. to current sigjmp() environment */
IEXT I32 Irunlevel;
/* stack stuff */
IEXT AV * Icurstack; /* 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 AV * Ipreambleav;
IEXT int Ilaststatval IINIT(-1);
IEXT I32 Ilaststype IINIT(OP_STAT);
+IEXT SV * Imess_sv;
+
+#ifdef USE_THREADS
+/* threads stuff */
+IEXT SV * Ithrsv; /* holds struct thread for main thread */
+#endif /* USE_THREADS */
#undef IEXT
#undef IINIT
};
#endif
+#include "thread.h"
#include "pp.h"
#ifdef __cplusplus
magic_set,
magic_len,
0, 0};
-EXT MGVTBL vtbl_env = {0, 0, 0, 0, 0};
+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_dbline = {0, magic_setdbline,
0, 0, 0};
EXT MGVTBL vtbl_isa = {0, magic_setisa,
- 0, 0, 0};
+ 0, magic_setisa,
+ 0};
EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
0, 0, 0};
EXT MGVTBL vtbl_arylen = {magic_getarylen,
EXT MGVTBL vtbl_uvar = {magic_getuvar,
magic_setuvar,
0, 0, 0};
-EXT MGVTBL vtbl_itervar = {magic_getitervar,magic_setitervar,
- 0, 0, magic_freeitervar};
+#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};
#ifdef USE_LOCALE_COLLATE
EXT MGVTBL vtbl_collxfrm = {0,
EXT MGVTBL vtbl_bm;
EXT MGVTBL vtbl_fm;
EXT MGVTBL vtbl_uvar;
-EXT MGVTBL vtbl_itervar;
+
+#ifdef USE_THREADS
+EXT MGVTBL vtbl_mutex;
+#endif /* USE_THREADS */
+
+EXT MGVTBL vtbl_defelem;
#ifdef USE_LOCALE_COLLATE
EXT MGVTBL vtbl_collxfrm;
#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_COLLATE
EXT U32 collation_ix; /* Collation generation index */
EXT char * collation_name; /* Name of current collation */
#define printf PerlIO_stdoutf
#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 { \
+ MUTEX_LOCK(&sv_mutex); \
+ if (!nice_chunk) { \
+ nice_chunk = (char*)(chunk); \
+ nice_chunk_size = (chunk_size); \
+ } \
+ MUTEX_UNLOCK(&sv_mutex); \
+ } while (0)
+
#endif /* Include guard */