/* 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.
# 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
# endif
#endif
-#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
+#define pVAR register struct perl_vars* const my_vars PERL_UNUSED_DECL
#ifdef PERL_GLOBAL_STRUCT
# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
#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
# define PERL_UNUSED_VAR(x) ((void)x)
#endif
+#ifdef USE_ITHREADS
+# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
+#else
+# define PERL_UNUSED_CONTEXT
+#endif
+
#define NOOP (void)0
#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
#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
#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.
/* 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)
*/
#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
# include "embed.h"
+# ifndef PERL_MAD
+# undef op_getmad
+# define op_getmad(arg,pegop,slot) /**/
+# endif
#endif
#define MEM_SIZE Size_t
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;
#if defined(VMS)
# include "vmsish.h"
# include "embed.h"
+# ifndef PERL_MAD
+# undef op_getmad
+# define op_getmad(arg,pegop,slot) /**/
+# endif
# define ISHISH "vms"
#endif
#ifdef __SYMBIAN32__
# include "symbian/symbianish.h"
# include "embed.h"
+# ifndef PERL_MAD
+# undef op_getmad
+# define op_getmad(arg,pegop,slot) /**/
+# endif
# define ISHISH "symbian"
#endif
* 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
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 /* NOT REACHED */ return 0
+# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
+#endif
+
+#ifdef HAS_BUILTIN_EXPECT
+# define EXPECT(expr,val) __builtin_expect(expr,val)
+#else
+# 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
# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
# else
# if defined(_IOC_SIZE) && defined(__GLIBC__)
- /* on Linux systems we're safe */
-# define IOCPARM_LEN(x) _IOC_SIZE(x)
+ /* 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 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"
#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 */
#ifndef assert /* <assert.h> 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
/* 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
#endif
#if defined(PERL_IMPLICIT_CONTEXT)
+
+struct perl_memory_debug_header;
struct perl_memory_debug_header {
tTHX interpreter;
# ifdef PERL_POISON
MEM_SIZE size;
- U8 in_use;
# endif
-
-#define PERL_POISON_INUSE 29
-#define PERL_POISON_FREE 159
+ struct perl_memory_debug_header *prev;
+ struct perl_memory_debug_header *next;
};
# define sTHX (sizeof(struct perl_memory_debug_header) + \
#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);
#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 {
#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
#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) /**/
+# endif
#endif
#ifndef PERL_GLOBAL_STRUCT
START_EXTERN_C
#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(
NULL,
NULL,
NULL,
+ NULL,
NULL
);
MEMBER_TO_FPTR(Perl_magic_clear_all_env),
NULL,
NULL,
+ NULL,
NULL
);
MEMBER_TO_FPTR(Perl_magic_clearenv),
NULL,
NULL,
+ NULL,
NULL
);
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
MEMBER_TO_FPTR(Perl_magic_clearsig),
NULL,
NULL,
+ NULL,
NULL
);
#endif
MEMBER_TO_FPTR(Perl_magic_wipepack),
NULL,
NULL,
+ NULL,
NULL
);
MEMBER_TO_FPTR(Perl_magic_clearpack),
NULL,
NULL,
+ NULL,
NULL
);
NULL,
NULL,
NULL,
+ NULL,
NULL
);
MEMBER_TO_FPTR(Perl_magic_setisa),
NULL,
NULL,
+ NULL,
NULL
);
NULL,
NULL,
NULL,
+ NULL,
NULL
);
NULL,
NULL,
NULL,
+ NULL,
NULL
);
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
);
NULL,
NULL,
NULL,
+ NULL,
NULL
);
NULL,
NULL,
NULL,
+ NULL,
NULL
);
NULL,
NULL,
NULL,
+ NULL,
NULL
);
NULL,
NULL,
NULL,
+ NULL,
NULL
);
NULL,
NULL,
NULL,
+ NULL,
NULL
);
NULL,
NULL,
NULL,
+ NULL,
NULL
);
NULL,
NULL,
NULL,
+ NULL,
NULL
);
NULL,
NULL,
NULL,
+ NULL,
NULL
);
NULL,
NULL,
NULL,
+ NULL,
NULL
);
NULL,
NULL,
NULL,
+ NULL,
NULL
);
NULL,
MEMBER_TO_FPTR(Perl_magic_freeregexp),
NULL,
+ NULL,
NULL
);
NULL,
NULL,
NULL,
+ NULL,
NULL
);
NULL,
NULL,
NULL,
+ NULL,
NULL
);
NULL,
MEMBER_TO_FPTR(Perl_magic_setamagic),
NULL,
+ NULL,
NULL
);
NULL,
MEMBER_TO_FPTR(Perl_magic_setamagic),
NULL,
+ NULL,
NULL
);
NULL,
MEMBER_TO_FPTR(Perl_magic_killbackrefs),
NULL,
+ NULL,
NULL
);
NULL,
MEMBER_TO_FPTR(Perl_magic_freeovrld),
NULL,
+ NULL,
NULL
);
NULL,
NULL,
NULL,
+ NULL,
NULL
);
#ifdef USE_LOCALE_COLLATE
NULL,
NULL,
NULL,
+ NULL,
NULL
);
#endif
* 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.
/* 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 */
#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
#define aMY_CXT_
#define _aMY_CXT
-#endif /* !defined(USE_ITHREADS) */
+#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
#ifdef I_FCNTL
# include <fcntl.h>