ppport.h
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:8k
- /* This file is Based on output from
- * Perl/Pollution/Portability Version 2.0000 */
- #ifndef _P_P_PORTABILITY_H_
- #define _P_P_PORTABILITY_H_
- #ifndef PERL_REVISION
- # ifndef __PATCHLEVEL_H_INCLUDED__
- # include "patchlevel.h"
- # endif
- # ifndef PERL_REVISION
- # define PERL_REVISION (5)
- /* Replace: 1 */
- # define PERL_VERSION PATCHLEVEL
- # define PERL_SUBVERSION SUBVERSION
- /* Replace PERL_PATCHLEVEL with PERL_VERSION */
- /* Replace: 0 */
- # endif
- #endif
- #define PERL_BCDVERSION ((PERL_REVISION * 0x1000000L) + (PERL_VERSION * 0x1000L) + PERL_SUBVERSION)
- #ifndef ERRSV
- # define ERRSV perl_get_sv("@",FALSE)
- #endif
- #if (PERL_VERSION < 4) || ((PERL_VERSION == 4) && (PERL_SUBVERSION <= 5))
- /* Replace: 1 */
- # define PL_Sv Sv
- # define PL_compiling compiling
- # define PL_copline copline
- # define PL_curcop curcop
- # define PL_curstash curstash
- # define PL_defgv defgv
- # define PL_dirty dirty
- # define PL_hints hints
- # define PL_na na
- # define PL_perldb perldb
- # define PL_rsfp_filters rsfp_filters
- # define PL_rsfp rsfp
- # define PL_stdingv stdingv
- # define PL_sv_no sv_no
- # define PL_sv_undef sv_undef
- # define PL_sv_yes sv_yes
- /* Replace: 0 */
- #endif
- #ifndef pTHX
- # define pTHX
- # define pTHX_
- # define aTHX
- # define aTHX_
- #endif
- #ifndef PTR2IV
- # define PTR2IV(d) (IV)(d)
- #endif
-
- #ifndef INT2PTR
- # define INT2PTR(any,d) (any)(d)
- #endif
- #ifndef dTHR
- # ifdef WIN32
- # define dTHR extern int Perl___notused
- # else
- # define dTHR extern int errno
- # endif
- #endif
- #ifndef boolSV
- # define boolSV(b) ((b) ? &PL_sv_yes : &PL_sv_no)
- #endif
- #ifndef gv_stashpvn
- # define gv_stashpvn(str,len,flags) gv_stashpv(str,flags)
- #endif
- #ifndef newSVpvn
- # define newSVpvn(data,len) ((len) ? newSVpv ((data), (len)) : newSVpv ("", 0))
- #endif
- #ifndef newRV_inc
- /* Replace: 1 */
- # define newRV_inc(sv) newRV(sv)
- /* Replace: 0 */
- #endif
- /* DEFSV appears first in 5.004_56 */
- #ifndef DEFSV
- # define DEFSV GvSV(PL_defgv)
- #endif
- #ifndef SAVE_DEFSV
- # define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
- #endif
- #ifndef newRV_noinc
- # ifdef __GNUC__
- # define newRV_noinc(sv)
- ({
- SV *nsv = (SV*)newRV(sv);
- SvREFCNT_dec(sv);
- nsv;
- })
- # else
- # if defined(CRIPPLED_CC) || defined(USE_THREADS)
- static SV * newRV_noinc (SV * sv)
- {
- SV *nsv = (SV*)newRV(sv);
- SvREFCNT_dec(sv);
- return nsv;
- }
- # else
- # define newRV_noinc(sv)
- ((PL_Sv=(SV*)newRV(sv), SvREFCNT_dec(sv), (SV*)PL_Sv)
- # endif
- # endif
- #endif
- /* Provide: newCONSTSUB */
- /* newCONSTSUB from IO.xs is in the core starting with 5.004_63 */
- #if (PERL_VERSION < 4) || ((PERL_VERSION == 4) && (PERL_SUBVERSION < 63))
- #if defined(NEED_newCONSTSUB)
- static
- #else
- extern void newCONSTSUB _((HV * stash, char * name, SV *sv));
- #endif
- #if defined(NEED_newCONSTSUB) || defined(NEED_newCONSTSUB_GLOBAL)
- void
- newCONSTSUB(stash,name,sv)
- HV *stash;
- char *name;
- SV *sv;
- {
- U32 oldhints = PL_hints;
- HV *old_cop_stash = PL_curcop->cop_stash;
- HV *old_curstash = PL_curstash;
- line_t oldline = PL_curcop->cop_line;
- PL_curcop->cop_line = PL_copline;
- PL_hints &= ~HINT_BLOCK_SCOPE;
- if (stash)
- PL_curstash = PL_curcop->cop_stash = stash;
- newSUB(
- #if (PERL_VERSION < 3) || ((PERL_VERSION == 3) && (PERL_SUBVERSION < 22))
- /* before 5.003_22 */
- start_subparse(),
- #else
- # if (PERL_VERSION == 3) && (PERL_SUBVERSION == 22)
- /* 5.003_22 */
- start_subparse(0),
- # else
- /* 5.003_23 onwards */
- start_subparse(FALSE, 0),
- # endif
- #endif
- newSVOP(OP_CONST, 0, newSVpv(name,0)),
- newSVOP(OP_CONST, 0, &PL_sv_no), /* SvPV(&PL_sv_no) == "" -- GMB */
- newSTATEOP(0, Nullch, newSVOP(OP_CONST, 0, sv))
- );
- PL_hints = oldhints;
- PL_curcop->cop_stash = old_cop_stash;
- PL_curstash = old_curstash;
- PL_curcop->cop_line = oldline;
- }
- #endif
- #endif /* newCONSTSUB */
- #ifndef START_MY_CXT
- /*
- * Boilerplate macros for initializing and accessing interpreter-local
- * data from C. All statics in extensions should be reworked to use
- * this, if you want to make the extension thread-safe. See ext/re/re.xs
- * for an example of the use of these macros.
- *
- * Code that uses these macros is responsible for the following:
- * 1. #define MY_CXT_KEY to a unique string, e.g. "DynaLoader_guts"
- * 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.
- * 4. Use the MY_CXT_INIT macro such that it is called exactly once
- * (typically put in the BOOT: section).
- * 5. Use the members of the my_cxt_t structure everywhere as
- * MY_CXT.member.
- * 6. Use the dMY_CXT macro (a declaration) in all the functions that
- * access MY_CXT.
- */
- #if defined(MULTIPLICITY) || defined(PERL_OBJECT) ||
- defined(PERL_CAPI) || defined(PERL_IMPLICIT_CONTEXT)
- /* 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
- #if PERL_REVISION == 5 &&
- (PERL_VERSION < 4 || (PERL_VERSION == 4 && PERL_SUBVERSION < 68 ))
- /* Fetches the SV that keeps the per-interpreter data. */
- #define dMY_CXT_SV
- SV *my_cxt_sv = perl_get_sv(MY_CXT_KEY, FALSE)
- #else /* >= perl5.004_68 */
- #define dMY_CXT_SV
- SV *my_cxt_sv = *hv_fetch(PL_modglobal, MY_CXT_KEY,
- sizeof(MY_CXT_KEY)-1, TRUE)
- #endif /* < perl5.004_68 */
- /* 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))
- /* 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))
- /* This macro must be used to access members of the my_cxt_t structure.
- * e.g. MYCXT.some_data */
- #define MY_CXT (*my_cxtp)
- /* Judicious use of these macros can reduce the number of times dMY_CXT
- * is used. Use is similar to pTHX, aTHX etc. */
- #define pMY_CXT my_cxt_t *my_cxtp
- #define pMY_CXT_ pMY_CXT,
- #define _pMY_CXT ,pMY_CXT
- #define aMY_CXT my_cxtp
- #define aMY_CXT_ aMY_CXT,
- #define _aMY_CXT ,aMY_CXT
- #else /* single interpreter */
- #ifndef NOOP
- # define NOOP (void)0
- #endif
- #ifdef HASATTRIBUTE
- # define PERL_UNUSED_DECL __attribute__((unused))
- #else
- # define PERL_UNUSED_DECL
- #endif
- #ifndef dNOOP
- # define dNOOP extern int Perl___notused PERL_UNUSED_DECL
- #endif
- #define START_MY_CXT static my_cxt_t my_cxt;
- #define dMY_CXT_SV dNOOP
- #define dMY_CXT dNOOP
- #define MY_CXT_INIT NOOP
- #define MY_CXT my_cxt
- #define pMY_CXT void
- #define pMY_CXT_
- #define _pMY_CXT
- #define aMY_CXT
- #define aMY_CXT_
- #define _aMY_CXT
- #endif
- #endif /* START_MY_CXT */
- #ifndef DBM_setFilter
- /*
- The DBM_setFilter & DBM_ckFilter macros are only used by
- the *DB*_File modules
- */
- #define DBM_setFilter(db_type,code)
- {
- if (db_type)
- RETVAL = sv_mortalcopy(db_type) ;
- ST(0) = RETVAL ;
- if (db_type && (code == &PL_sv_undef)) {
- SvREFCNT_dec(db_type) ;
- db_type = NULL ;
- }
- else if (code) {
- if (db_type)
- sv_setsv(db_type, code) ;
- else
- db_type = newSVsv(code) ;
- }
- }
- #define DBM_ckFilter(arg,type,name)
- if (db->type) {
- if (db->filtering) {
- croak("recursion detected in %s", name) ;
- }
- ENTER ;
- SAVETMPS ;
- SAVEINT(db->filtering) ;
- db->filtering = TRUE ;
- SAVESPTR(DEFSV) ;
- DEFSV = arg ;
- SvTEMP_off(arg) ;
- PUSHMARK(SP) ;
- PUTBACK ;
- (void) perl_call_sv(db->type, G_DISCARD);
- SPAGAIN ;
- PUTBACK ;
- FREETMPS ;
- LEAVE ;
- }
- #endif /* DBM_setFilter */
- #endif /* _P_P_PORTABILITY_H_ */