https://perl5.git.perl.org / perl5.git / blame
| Commit | Line | Data |
|---|---|---|
| 4633a7c4 | 1 | #define ST(off) stack_base[ax + (off)] |
| a0d0e21e LW |
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 | ||
| 748a9306 LW |
20 | /* Simple macros to put new mortal values onto the stack. */ |
| 21 | /* Typically used to return values from XS functions. */ | |
| 4633a7c4 LW |
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) | |
| 748a9306 | 28 | |
| 4633a7c4 LW |
29 | #define XSRETURN_IV(v) do { XST_mIV(0,v); XSRETURN(1); } while (0) |
| 30 | #define XSRETURN_NV(v) do { XST_mNV(0,v); XSRETURN(1); } while (0) | |
| 31 | #define XSRETURN_PV(v) do { XST_mPV(0,v); XSRETURN(1); } while (0) | |
| 32 | #define XSRETURN_NO do { XST_mNO(0); XSRETURN(1); } while (0) | |
| 33 | #define XSRETURN_YES do { XST_mYES(0); XSRETURN(1); } while (0) | |
| 34 | #define XSRETURN_UNDEF do { XST_mUNDEF(0); XSRETURN(1); } while (0) | |
| 35 | #define XSRETURN_EMPTY do { XSRETURN(0); } while (0) | |
| 382b8d97 | 36 | |
| 37120919 | 37 | #define newXSproto(a,b,c,d) sv_setpv((SV*)newXS(a,b,c), d) |
| 720fb644 | 38 | |
| 39 | #ifdef XS_VERSION | |
| 40 | # define XS_VERSION_BOOTCHECK \ | |
| 41 | do { \ | |
| 42 | char vn[255], *module = SvPV(ST(0),na); \ | |
| 43 | if (items >= 2) /* version supplied as bootstrap arg */ \ | |
| 44 | Sv=ST(1); \ | |
| 45 | else { /* read version from module::VERSION */ \ | |
| 46 | sprintf(vn,"%s::VERSION", module); \ | |
| 47 | Sv = perl_get_sv(vn, FALSE); /* XXX GV_ADDWARN */ \ | |
| 48 | } \ | |
| 49 | if (Sv && (!SvOK(Sv) || strNE(XS_VERSION, SvPV(Sv,na))) ) \ | |
| 50 | croak("%s object version %s does not match %s.pm $VERSION %s", \ | |
| 51 | module,XS_VERSION, module,(Sv && SvOK(Sv))?SvPV(Sv,na):"(undef)");\ | |
| 52 | } while (0) | |
| 53 | #else | |
| 54 | # define XS_VERSION_BOOTCHECK | |
| 55 | #endif | |
| 56 |