1 #define ST(off) stack_base[ax + (off)]
4 #define XS(name) void name(CV* cv)
6 #define XS(name) void name(cv) CV* cv;
11 I32 ax = mark - stack_base + 1; \
14 #define XSANY CvXSUBANY(cv)
16 #define dXSI32 I32 ix = XSANY.any_i32
18 #define XSRETURN(off) \
20 stack_sp = stack_base + ax + ((off) - 1); \
24 /* Simple macros to put new mortal values onto the stack. */
25 /* Typically used to return values from XS functions. */
26 #define XST_mIV(i,v) (ST(i) = sv_2mortal(newSViv(v)) )
27 #define XST_mNV(i,v) (ST(i) = sv_2mortal(newSVnv(v)) )
28 #define XST_mPV(i,v) (ST(i) = sv_2mortal(newSVpv(v,0)))
29 #define XST_mNO(i) (ST(i) = &sv_no )
30 #define XST_mYES(i) (ST(i) = &sv_yes )
31 #define XST_mUNDEF(i) (ST(i) = &sv_undef)
33 #define XSRETURN_IV(v) STMT_START { XST_mIV(0,v); XSRETURN(1); } STMT_END
34 #define XSRETURN_NV(v) STMT_START { XST_mNV(0,v); XSRETURN(1); } STMT_END
35 #define XSRETURN_PV(v) STMT_START { XST_mPV(0,v); XSRETURN(1); } STMT_END
36 #define XSRETURN_NO STMT_START { XST_mNO(0); XSRETURN(1); } STMT_END
37 #define XSRETURN_YES STMT_START { XST_mYES(0); XSRETURN(1); } STMT_END
38 #define XSRETURN_UNDEF STMT_START { XST_mUNDEF(0); XSRETURN(1); } STMT_END
39 #define XSRETURN_EMPTY STMT_START { XSRETURN(0); } STMT_END
41 #define newXSproto(a,b,c,d) sv_setpv((SV*)newXS(a,b,c), d)
44 # define XS_VERSION_BOOTCHECK \
46 char *vn = Nullch, *module = SvPV(ST(0),na); \
47 if (items >= 2) /* version supplied as bootstrap arg */ \
50 /* XXX GV_ADDWARN */ \
51 Sv = perl_get_sv(form("%s::%s", module, \
52 vn = "XS_VERSION"), FALSE); \
53 if (!Sv || !SvOK(Sv)) \
54 Sv = perl_get_sv(form("%s::%s", module, \
55 vn = "VERSION"), FALSE); \
57 if (Sv && (!SvOK(Sv) || strNE(XS_VERSION, SvPV(Sv, na)))) \
58 croak("%s object version %s does not match %s%s%s%s %_", \
60 vn ? "$" : "", vn ? module : "", vn ? "::" : "", \
61 vn ? vn : "bootstrap parameter", Sv); \
64 # define XS_VERSION_BOOTCHECK