X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl.h;h=2b66473837b94094514d5397e1f6dede0ef5cb0f;hb=d6179d6f73c0b13107fbcf65d20105cdfbc30dbc;hp=56b25f35de813b5177a2fbfdbd1a26488e6b3576;hpb=c3dedce1d22d7ae69fe05f4e0ca7db15ffadf602;p=p5sagit%2Fp5-mst-13.2.git diff --git a/perl.h b/perl.h index 56b25f3..2b66473 100644 --- a/perl.h +++ b/perl.h @@ -1,7 +1,6 @@ -emacs -nw perl.h /* perl.h * - * Copyright (c) 1987-2000, Larry Wall + * Copyright (c) 1987-2001, 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. @@ -12,9 +11,9 @@ emacs -nw perl.h #ifdef PERL_FOR_X2P /* - * This file is being used for x2p stuff. + * 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. + * Decouple x2p stuff from some of perls more extreme eccentricities. */ #undef MULTIPLICITY #undef USE_STDIO @@ -22,7 +21,7 @@ emacs -nw perl.h #endif /* PERL_FOR_X2P */ #define VOIDUSED 1 -#ifdef PERL_MICRO +#ifdef PERL_MICRO # include "uconfig.h" #else # include "config.h" @@ -184,7 +183,7 @@ class CPerlObj; struct perl_thread; # define pTHX register struct perl_thread *thr # define aTHX thr -# define dTHR dNOOP +# define dTHR dNOOP /* only backward compatibility */ # define dTHXa(a) pTHX = (struct perl_thread*)a # else # ifndef MULTIPLICITY @@ -267,8 +266,8 @@ struct perl_thread; # define END_EXTERN_C } # define EXTERN_C extern "C" #else -# define START_EXTERN_C -# define END_EXTERN_C +# define START_EXTERN_C +# define END_EXTERN_C # define EXTERN_C extern #endif @@ -304,7 +303,7 @@ register struct op *Perl_op asm(stringify(OP_IN_REGISTER)); #endif #define WITH_THX(s) STMT_START { dTHX; s; } STMT_END -#define WITH_THR(s) STMT_START { dTHR; s; } STMT_END +#define WITH_THR(s) WITH_THX(s) /* * SOFT_CAST can be used for args to prototyped functions to retain some @@ -368,7 +367,7 @@ register struct op *Perl_op asm(stringify(OP_IN_REGISTER)); #define TAINT_ENV() if (PL_tainting) { taint_env(); } #define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); } -/* XXX All process group stuff is handled in pp_sys.c. Should these +/* 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. @@ -408,7 +407,7 @@ register struct op *Perl_op asm(stringify(OP_IN_REGISTER)); # define HAS_GETPGRP /* Well, effectively it does . . . */ #endif -/* These are not exact synonyms, since setpgrp() and getpgrp() may +/* 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. */ @@ -497,12 +496,16 @@ register struct op *Perl_op asm(stringify(OP_IN_REGISTER)); # include #endif - /* Use all the "standard" definitions? */ #if defined(STANDARD_C) && defined(I_STDLIB) # include #endif +/* If this causes problems, set i_unistd=undef in the hint file. */ +#ifdef I_UNISTD +# include +#endif + #ifdef PERL_MICRO /* Last chance to export Perl_my_swap */ # define MYSWAP #endif @@ -711,6 +714,10 @@ typedef struct perl_mstats perl_mstats_t; #include +#if defined(WIN32) && (defined(PERL_OBJECT) || defined(PERL_IMPLICIT_SYS) || defined(PERL_CAPI)) +# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */ +#endif + #if defined(HAS_SOCKET) && !defined(VMS) /* VMS handles sockets via vmsish.h */ # include # if defined(USE_SOCKS) && defined(I_SOCKS) @@ -734,7 +741,7 @@ typedef struct perl_mstats perl_mstats_t; # undef INCLUDE_PROTOTYPES # undef PERL_SOCKS_NEED_PROTOTYPES # endif -# endif +# endif # ifdef I_NETDB # include # endif @@ -982,15 +989,15 @@ typedef struct perl_mstats perl_mstats_t; #ifndef S_IRWXU # define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR) -#endif +#endif #ifndef S_IRWXG # define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP) -#endif +#endif #ifndef S_IRWXO # define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH) -#endif +#endif #ifndef S_IREAD # define S_IREAD S_IRUSR @@ -1077,7 +1084,11 @@ typedef UVTYPE UV; #define IV_DIG (BIT_DIGITS(IVSIZE * 8)) #define UV_DIG (BIT_DIGITS(UVSIZE * 8)) -/* +#ifndef NO_PERL_PRESERVE_IVUV +#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */ +#endif + +/* * The macros INT2PTR and NUM2PTR are (despite their names) * bi-directional: they will convert int/float to or from pointers. * However the conversion to int/float are named explicitly: @@ -1091,7 +1102,7 @@ typedef UVTYPE UV; # define PTRV UV # define INT2PTR(any,d) (any)(d) #else -# if PTRSIZE == LONGSIZE +# if PTRSIZE == LONGSIZE # define PTRV unsigned long # else # define PTRV unsigned @@ -1102,12 +1113,12 @@ typedef UVTYPE UV; #define PTR2IV(p) INT2PTR(IV,p) #define PTR2UV(p) INT2PTR(UV,p) #define PTR2NV(p) NUM2PTR(NV,p) -#if PTRSIZE == LONGSIZE +#if PTRSIZE == LONGSIZE # define PTR2ul(p) (unsigned long)(p) #else # define PTR2ul(p) INT2PTR(unsigned long,p) #endif - + #ifdef USE_LONG_DOUBLE # if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE # define LONG_DOUBLE_EQUALS_DOUBLE @@ -1270,7 +1281,7 @@ typedef NVTYPE NV; #endif #if !defined(Perl_atof) && defined(USE_LONG_DOUBLE) && defined(HAS_LONG_DOUBLE) -# if !defined(Perl_atof) && defined(HAS_STRTOLD) +# if !defined(Perl_atof) && defined(HAS_STRTOLD) # define Perl_atof(s) (NV)strtold(s, (char**)NULL) # endif # if !defined(Perl_atof) && defined(HAS_ATOLF) @@ -1288,7 +1299,7 @@ typedef NVTYPE NV; # define Perl_atof2(s,f) ((f) = (NV)Perl_atof(s)) #endif -/* Previously these definitions used hardcoded figures. +/* 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 @@ -1339,7 +1350,7 @@ typedef NVTYPE NV; # 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) @@ -1477,6 +1488,7 @@ struct perl_mstats { UV *bucket_available_size; UV nbuckets; }; +struct RExC_state_t; typedef MEM_SIZE STRLEN; @@ -1545,7 +1557,7 @@ typedef struct ptr_tbl PTR_TBL_t; # define FSEEKSIZE LSEEKSIZE # else # define FSEEKSIZE LONGSIZE -# endif +# endif #endif #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO) @@ -1663,6 +1675,9 @@ typedef struct ptr_tbl PTR_TBL_t; # else # if defined(MACOS_TRADITIONAL) # include "macos/macish.h" +# ifndef NO_ENVIRON_ARRAY +# define NO_ENVIRON_ARRAY +# endif # else # include "unixish.h" # endif @@ -1677,6 +1692,13 @@ typedef struct ptr_tbl PTR_TBL_t; # define USE_ENVIRON_ARRAY #endif +#ifdef JPL + /* E.g. JPL needs to operate on a copy of the real environment. + * JDK 1.2 and 1.3 seem to get upset if the original environment + * is diddled with. */ +# define NEED_ENVIRON_DUP_FOR_MODIFY +#endif + #ifndef PERL_SYS_INIT3 # define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp) #endif @@ -1703,7 +1725,7 @@ typedef struct ptr_tbl PTR_TBL_t; # 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++ @@ -1862,7 +1884,7 @@ typedef pthread_key_t perl_key; # define SVf "p" # else # define SVf "_" -# endif +# endif #endif #ifndef UVf @@ -1870,7 +1892,7 @@ typedef pthread_key_t perl_key; # define UVf UVuf # else # define UVf "Vu" -# endif +# endif #endif #ifndef VDf @@ -1878,7 +1900,7 @@ typedef pthread_key_t perl_key; # define VDf "p" # else # define VDf "vd" -# endif +# endif #endif /* Some unistd.h's give a prototype for pause() even though @@ -2124,9 +2146,11 @@ Gid_t getegid (void); # if defined(PERL_OBJECT) # define DEBUG_m(a) if (PL_debug & 128) a # else + /* Temporarily turn off memory debugging in case the a + * does memory allocation, either directly or indirectly. */ # define DEBUG_m(a) \ STMT_START { \ - if (PERL_GET_INTERP) { dTHX; if (PL_debug & 128) { a; } } \ + if (PERL_GET_INTERP) { dTHX; if (PL_debug & 128) {PL_debug&=~128; a; PL_debug|=128;} } \ } STMT_END # endif #define DEBUG_f(a) if (PL_debug & 256) a @@ -2142,6 +2166,7 @@ Gid_t getegid (void); # else # define DEBUG_S(a) # endif +#define DEBUG_T(a) if (PL_debug & (1<<17)) a #else #define DEB(a) #define DEBUG(a) @@ -2162,6 +2187,7 @@ Gid_t getegid (void); #define DEBUG_X(a) #define DEBUG_D(a) #define DEBUG_S(a) +#define DEBUG_T(a) #endif #define YYMAXDEPTH 300 @@ -2175,11 +2201,33 @@ Gid_t getegid (void); #endif struct ufuncs { - I32 (*uf_val)(IV, SV*); - I32 (*uf_set)(IV, SV*); + I32 (*uf_val)(pTHX_ IV, SV*); + I32 (*uf_set)(pTHX_ IV, SV*); IV uf_index; }; +/* In pre-5.7-Perls the 'U' magic didn't get the thread context. + * XS code wanting to be backward compatible can do something + * like the following: + +#ifndef PERL_MG_UFUNC +#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv) +#endif + +static PERL_MG_UFUNC(foo_get, index, val) +{ + sv_setsv(val, ...); + return TRUE; +} + +-- Doug MacEachern + +*/ + +#ifndef PERL_MG_UFUNC +#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv) +#endif + /* Fix these up for __STDC__ */ #ifndef DONT_DECLARE_STD char *mktemp (char*); @@ -2334,7 +2382,7 @@ EXT char *** environ_pointer; # if !defined(DONT_DECLARE_STD) || \ (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \ defined(__sgi) || \ - defined(__DGUX) + defined(__DGUX) extern char ** environ; /* environment variables supplied via exec */ # endif # endif @@ -2680,6 +2728,7 @@ enum { /* pass one of these to get_vtbl */ #define HINT_FILETEST_ACCESS 0x00400000 #define HINT_UTF8 0x00800000 +#define HINT_UTF8_DISTINCT 0x01000000 /* Various states of an input record separator SV (rs, nrs) */ #define RsSNARF(sv) (! SvOK(sv)) @@ -2738,9 +2787,9 @@ struct perl_vars *PL_VarsPtr; #endif /* PERL_GLOBAL_STRUCT */ #if defined(MULTIPLICITY) || defined(PERL_OBJECT) -/* If we have multiple interpreters define a struct +/* 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 + If we don't have threads anything that would have be per-thread is per-interpreter. */ @@ -2789,7 +2838,7 @@ typedef void *Thread; #ifndef PERL_CALLCONV # define PERL_CALLCONV -#endif +#endif #ifndef NEXT30_NO_ATTRIBUTE # ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */ @@ -2826,11 +2875,11 @@ typedef void *Thread; # include "embedvar.h" #endif -/* Now include all the 'global' variables +/* 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 + * these include variables that would have been their struct-s */ - + #define PERLVAR(var,type) EXT type PL_##var; #define PERLVARA(var,n,type) EXT type PL_##var[n]; #define PERLVARI(var,type,init) EXT type PL_##var INIT(init); @@ -2965,6 +3014,9 @@ EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic), EXT MGVTBL PL_vtbl_backref = {0, 0, 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)}; +EXT MGVTBL PL_vtbl_ovrld = {0, 0, + 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)}; + #else /* !DOINIT */ EXT MGVTBL PL_vtbl_sv; @@ -2988,6 +3040,7 @@ EXT MGVTBL PL_vtbl_pos; EXT MGVTBL PL_vtbl_bm; EXT MGVTBL PL_vtbl_fm; EXT MGVTBL PL_vtbl_uvar; +EXT MGVTBL PL_vtbl_ovrld; #ifdef USE_THREADS EXT MGVTBL PL_vtbl_mutex; @@ -3041,47 +3094,55 @@ enum { copy_amg, neg_amg, to_sv_amg, to_av_amg, to_hv_amg, to_gv_amg, - to_cv_amg, iter_amg, + to_cv_amg, iter_amg, + int_amg, DESTROY_amg, max_amg_code /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */ }; #define NofAMmeth max_amg_code +#define AMG_id2name(id) ((char*)PL_AMG_names[id]+1) #ifdef DOINIT EXTCONST char * PL_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", - "${}", "@{}", - "%{}", "*{}", - "&{}", "<>", + /* Names kept in the symbol table. fallback => "()", the rest has + "(" prepended. The only other place in perl which knows about + this convention is AMG_id2name (used for debugging output and + 'nomethod' only), the only other place which has it hardwired is + overload.pm. */ + "()", "(abs", /* "fallback" should be the first. */ + "(bool", "(nomethod", + "(\"\"", "(0+", + "(+", "(+=", + "(-", "(-=", + "(*", "(*=", + "(/", "(/=", + "(%", "(%=", + "(**", "(**=", + "(<<", "(<<=", + "(>>", "(>>=", + "(&", "(&=", + "(|", "(|=", + "(^", "(^=", + "(<", "(<=", + "(>", "(>=", + "(==", "(!=", + "(<=>", "(cmp", + "(lt", "(le", + "(gt", "(ge", + "(eq", "(ne", + "(!", "(~", + "(++", "(--", + "(atan2", "(cos", + "(sin", "(exp", + "(log", "(sqrt", + "(x", "(x=", + "(.", "(.=", + "(=", "(neg", + "(${}", "(@{}", + "(%{}", "(*{}", + "(&{}", "(<>", + "(int", "DESTROY", }; #else EXTCONST char * PL_AMG_names[NofAMmeth]; @@ -3109,10 +3170,15 @@ typedef struct am_table_short AMTS; #define AMGfallYES 3 #define AMTf_AMAGIC 1 +#define AMTf_OVERLOADED 2 #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) +#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED) +#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED) +#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED) +#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg)) /* * some compilers like to redefine cos et alia as faster @@ -3182,9 +3248,9 @@ typedef struct am_table_short AMTS; #define SET_NUMERIC_LOCAL() \ set_numeric_local(); -#define IS_NUMERIC_RADIX(c) \ +#define IS_NUMERIC_RADIX(s) \ ((PL_hints & HINT_LOCALE) && \ - PL_numeric_radix && (c) == PL_numeric_radix) + PL_numeric_radix && memEQ(s, SvPVX(PL_numeric_radix), SvCUR(PL_numeric_radix))) #define STORE_NUMERIC_LOCAL_SET_STANDARD() \ bool was_local = (PL_hints & HINT_LOCALE) && PL_numeric_local; \ @@ -3222,6 +3288,9 @@ typedef struct am_table_short AMTS; # if !defined(Strtol) && defined(HAS_STRTOLL) # define Strtol strtoll # endif +# if !defined(Strtol) && defined(HAS_STRTOQ) +# define Strtol strtoq +# endif /* is there atoq() anywhere? */ #endif #if !defined(Strtol) && defined(HAS_STRTOL) @@ -3258,13 +3327,17 @@ typedef struct am_table_short AMTS; #endif #if !defined(PERLIO_IS_STDIO) && defined(HASATTRIBUTE) -/* - * Now we have __attribute__ out of the way - * Remap printf +/* + * Now we have __attribute__ out of the way + * Remap printf */ #undef printf +#ifdef __GNUC__ +#define printf(fmt,args...) PerlIO_stdoutf(fmt,##args) +#else #define printf PerlIO_stdoutf #endif +#endif /* if these never got defined, they need defaults */ #ifndef PERL_SET_CONTEXT @@ -3301,8 +3374,15 @@ typedef struct am_table_short AMTS; * Keep this check simple, or it may slow down execution * massively. */ + +#ifndef PERL_MICRO +# ifndef PERL_OLD_SIGNALS +# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals() +# endif +#endif + #ifndef PERL_ASYNC_CHECK -#define PERL_ASYNC_CHECK() NOOP +# define PERL_ASYNC_CHECK() NOOP #endif /* @@ -3433,13 +3513,17 @@ typedef struct am_table_short AMTS; # include /* setproctitle() in some FreeBSDs */ #endif +#ifndef EXEC_ARGV_CAST +#define EXEC_ARGV_CAST(x) x +#endif + /* and finally... */ #define PERL_PATCHLEVEL_H_IMPLICIT #include "patchlevel.h" #undef PERL_PATCHLEVEL_H_IMPLICIT /* Mention - + NV_PRESERVES_UV HAS_ICONV