| | 1 | #define ST(off) stack_base[ax + (off)] |
| | 2 | |
| | 3 | #ifdef CAN_PROTOTYPE |
| | 4 | #define XS(name) void name(CV* cv) |
| | 5 | #else |
| | 6 | #define XS(name) void name(cv) CV* cv; |
| | 7 | #endif |
| | 8 | |
| | 9 | #define dXSARGS \ |
| | 10 | dSP; dMARK; \ |
| | 11 | I32 ax = mark - stack_base + 1; \ |
| | 12 | I32 items = sp - mark |
| | 13 | |
| | 14 | #define XSANY CvXSUBANY(cv) |
| | 15 | |
| | 16 | #define dXSI32 I32 ix = XSANY.any_i32 |
| | 17 | |
| | 18 | #define XSRETURN(off) stack_sp = stack_base + ax + ((off) - 1); return |
| | 19 | |
| | 20 | /* Simple macros to put new mortal values onto the stack. */ |
| | 21 | /* Typically used to return values from XS functions. */ |
| | 22 | #define XST_mIV(i,v) (ST(i) = sv_2mortal(newSViv(v)) ) |
| | 23 | #define XST_mNV(i,v) (ST(i) = sv_2mortal(newSVnv(v)) ) |
| | 24 | #define XST_mPV(i,v) (ST(i) = sv_2mortal(newSVpv(v,0))) |
| | 25 | #define XST_mNO(i) (ST(i) = &sv_no ) |
| | 26 | #define XST_mYES(i) (ST(i) = &sv_yes ) |
| | 27 | #define XST_mUNDEF(i) (ST(i) = &sv_undef) |
| | 28 | |
| | 29 | #define XSRETURN_IV(v) STMT_START { XST_mIV(0,v); XSRETURN(1); } STMT_END |
| | 30 | #define XSRETURN_NV(v) STMT_START { XST_mNV(0,v); XSRETURN(1); } STMT_END |
| | 31 | #define XSRETURN_PV(v) STMT_START { XST_mPV(0,v); XSRETURN(1); } STMT_END |
| | 32 | #define XSRETURN_NO STMT_START { XST_mNO(0); XSRETURN(1); } STMT_END |
| | 33 | #define XSRETURN_YES STMT_START { XST_mYES(0); XSRETURN(1); } STMT_END |
| | 34 | #define XSRETURN_UNDEF STMT_START { XST_mUNDEF(0); XSRETURN(1); } STMT_END |
| | 35 | #define XSRETURN_EMPTY STMT_START { XSRETURN(0); } STMT_END |
| | 36 | |
| | 37 | #define newXSproto(a,b,c,d) sv_setpv((SV*)newXS(a,b,c), d) |
| | 38 | |
| | 39 | #ifdef XS_VERSION |
| | 40 | # define XS_VERSION_BOOTCHECK \ |
| | 41 | STMT_START { \ |
| | 42 | char *vn = "", *module = SvPV(ST(0),na); \ |
| | 43 | if (items >= 2) /* version supplied as bootstrap arg */ \ |
| | 44 | Sv = ST(1); \ |
| | 45 | else { \ |
| | 46 | /* XXX GV_ADDWARN */ \ |
| | 47 | Sv = perl_get_sv(vn = form("%s::XS_VERSION", module), FALSE); \ |
| | 48 | if (!Sv || !SvOK(Sv)) \ |
| | 49 | Sv = perl_get_sv(vn = form("%s::VERSION", module), FALSE); \ |
| | 50 | } \ |
| | 51 | if (Sv && (!SvOK(Sv) || strNE(XS_VERSION, SvPV(Sv, na)))) \ |
| | 52 | croak("%s object version %s does not match $%s %_", \ |
| | 53 | module, XS_VERSION, vn, Sv); \ |
| | 54 | } STMT_END |
| | 55 | #else |
| | 56 | # define XS_VERSION_BOOTCHECK |
| | 57 | #endif |
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