1 files changed, 93 insertions, 0 deletions
diff --git a/contrib/perl5/XSUB.h b/contrib/perl5/XSUB.h
new file mode 100644
index 0000000..dc805d8
--- /dev/null
+++ b/contrib/perl5/XSUB.h
@@ -0,0 +1,93 @@
+#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;							\
+	char *vn = Nullch, *module = SvPV(ST(0),PL_na);			\
+	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, PL_na))))	\
+	    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_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 */