freebsd-dev/contrib/perl5/XSUB.h

158 lines
5.1 KiB
C

#define ST(off) PL_stack_base[ax + (off)]
#ifdef CAN_PROTOTYPE
#ifdef PERL_OBJECT
#define XS(name) void name(CV* cv, CPerlObj* pPerl)
#else
#define XS(name) void name(CV* cv)
#endif
#else
#define XS(name) void name(cv) CV* cv;
#endif
#define dXSARGS \
dSP; dMARK; \
I32 ax = mark - PL_stack_base + 1; \
I32 items = sp - mark
#define XSANY CvXSUBANY(cv)
#define dXSI32 I32 ix = XSANY.any_i32
#ifdef __cplusplus
# define XSINTERFACE_CVT(ret,name) ret (*name)(...)
#else
# define XSINTERFACE_CVT(ret,name) ret (*name)()
#endif
#define dXSFUNCTION(ret) XSINTERFACE_CVT(ret,XSFUNCTION)
#define XSINTERFACE_FUNC(ret,cv,f) ((XSINTERFACE_CVT(ret,))(f))
#define XSINTERFACE_FUNC_SET(cv,f) \
CvXSUBANY(cv).any_dptr = (void (*) _((void*)))(f)
#define XSRETURN(off) \
STMT_START { \
PL_stack_sp = PL_stack_base + ax + ((off) - 1); \
return; \
} STMT_END
/* Simple macros to put new mortal values onto the stack. */
/* Typically used to return values from XS functions. */
#define XST_mIV(i,v) (ST(i) = sv_2mortal(newSViv(v)) )
#define XST_mNV(i,v) (ST(i) = sv_2mortal(newSVnv(v)) )
#define XST_mPV(i,v) (ST(i) = sv_2mortal(newSVpv(v,0)))
#define XST_mNO(i) (ST(i) = &PL_sv_no )
#define XST_mYES(i) (ST(i) = &PL_sv_yes )
#define XST_mUNDEF(i) (ST(i) = &PL_sv_undef)
#define XSRETURN_IV(v) STMT_START { XST_mIV(0,v); XSRETURN(1); } STMT_END
#define XSRETURN_NV(v) STMT_START { XST_mNV(0,v); XSRETURN(1); } STMT_END
#define XSRETURN_PV(v) STMT_START { XST_mPV(0,v); XSRETURN(1); } STMT_END
#define XSRETURN_NO STMT_START { XST_mNO(0); XSRETURN(1); } STMT_END
#define XSRETURN_YES STMT_START { XST_mYES(0); XSRETURN(1); } STMT_END
#define XSRETURN_UNDEF STMT_START { XST_mUNDEF(0); XSRETURN(1); } STMT_END
#define XSRETURN_EMPTY STMT_START { XSRETURN(0); } STMT_END
#define newXSproto(a,b,c,d) sv_setpv((SV*)newXS(a,b,c), d)
#ifdef XS_VERSION
# define XS_VERSION_BOOTCHECK \
STMT_START { \
SV *tmpsv; STRLEN n_a; \
char *vn = Nullch, *module = SvPV(ST(0),n_a); \
if (items >= 2) /* version supplied as bootstrap arg */ \
tmpsv = ST(1); \
else { \
/* XXX GV_ADDWARN */ \
tmpsv = perl_get_sv(form("%s::%s", module, \
vn = "XS_VERSION"), FALSE); \
if (!tmpsv || !SvOK(tmpsv)) \
tmpsv = perl_get_sv(form("%s::%s", module, \
vn = "VERSION"), FALSE); \
} \
if (tmpsv && (!SvOK(tmpsv) || strNE(XS_VERSION, SvPV(tmpsv, n_a)))) \
croak("%s object version %s does not match %s%s%s%s %_", \
module, XS_VERSION, \
vn ? "$" : "", vn ? module : "", vn ? "::" : "", \
vn ? vn : "bootstrap parameter", tmpsv); \
} STMT_END
#else
# define XS_VERSION_BOOTCHECK
#endif
#ifdef PERL_CAPI
# define VTBL_sv get_vtbl(want_vtbl_sv)
# define VTBL_env get_vtbl(want_vtbl_env)
# define VTBL_envelem get_vtbl(want_vtbl_envelem)
# define VTBL_sig get_vtbl(want_vtbl_sig)
# define VTBL_sigelem get_vtbl(want_vtbl_sigelem)
# define VTBL_pack get_vtbl(want_vtbl_pack)
# define VTBL_packelem get_vtbl(want_vtbl_packelem)
# define VTBL_dbline get_vtbl(want_vtbl_dbline)
# define VTBL_isa get_vtbl(want_vtbl_isa)
# define VTBL_isaelem get_vtbl(want_vtbl_isaelem)
# define VTBL_arylen get_vtbl(want_vtbl_arylen)
# define VTBL_glob get_vtbl(want_vtbl_glob)
# define VTBL_mglob get_vtbl(want_vtbl_mglob)
# define VTBL_nkeys get_vtbl(want_vtbl_nkeys)
# define VTBL_taint get_vtbl(want_vtbl_taint)
# define VTBL_substr get_vtbl(want_vtbl_substr)
# define VTBL_vec get_vtbl(want_vtbl_vec)
# define VTBL_pos get_vtbl(want_vtbl_pos)
# define VTBL_bm get_vtbl(want_vtbl_bm)
# define VTBL_fm get_vtbl(want_vtbl_fm)
# define VTBL_uvar get_vtbl(want_vtbl_uvar)
# define VTBL_defelem get_vtbl(want_vtbl_defelem)
# define VTBL_regexp get_vtbl(want_vtbl_regexp)
# ifdef USE_LOCALE_COLLATE
# define VTBL_collxfrm get_vtbl(want_vtbl_collxfrm)
# endif
# ifdef OVERLOAD
# define VTBL_amagic get_vtbl(want_vtbl_amagic)
# define VTBL_amagicelem get_vtbl(want_vtbl_amagicelem)
# endif
#else
# define VTBL_sv &vtbl_sv
# define VTBL_env &vtbl_env
# define VTBL_envelem &vtbl_envelem
# define VTBL_sig &vtbl_sig
# define VTBL_sigelem &vtbl_sigelem
# define VTBL_pack &vtbl_pack
# define VTBL_packelem &vtbl_packelem
# define VTBL_dbline &vtbl_dbline
# define VTBL_isa &vtbl_isa
# define VTBL_isaelem &vtbl_isaelem
# define VTBL_arylen &vtbl_arylen
# define VTBL_glob &vtbl_glob
# define VTBL_mglob &vtbl_mglob
# define VTBL_nkeys &vtbl_nkeys
# define VTBL_taint &vtbl_taint
# define VTBL_substr &vtbl_substr
# define VTBL_vec &vtbl_vec
# define VTBL_pos &vtbl_pos
# define VTBL_bm &vtbl_bm
# define VTBL_fm &vtbl_fm
# define VTBL_uvar &vtbl_uvar
# define VTBL_defelem &vtbl_defelem
# define VTBL_regexp &vtbl_regexp
# ifdef USE_LOCALE_COLLATE
# define VTBL_collxfrm &vtbl_collxfrm
# endif
# ifdef OVERLOAD
# define VTBL_amagic &vtbl_amagic
# define VTBL_amagicelem &vtbl_amagicelem
# endif
#endif
#ifdef PERL_OBJECT
#include "objXSUB.h"
#ifndef NO_XSLOCKS
#ifdef WIN32
#include "XSlock.h"
#endif /* WIN32 */
#endif /* NO_XSLOCKS */
#else
#ifdef PERL_CAPI
#include "perlCAPI.h"
#endif
#endif /* PERL_OBJECT */