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 | ||
| 5b0d9cbe | 9 | #if defined(WIN32) && defined(__GNUC__) |
| c69f112c NIS |
10 | #define STRINGIFY_THINGY(x) #x |
| 11 | #define FORCE_ARG_STRING(x) STRINGIFY_THINGY(x) | |
| 5b0d9cbe NIS |
12 | #else |
| 13 | #define FORCE_ARG_STRING(x) x | |
| 14 | #endif | |
| 15 | ||
| a0d0e21e | 16 | #define dXSARGS \ |
| 4e35701f | 17 | dSP; dMARK; \ |
| a0d0e21e LW |
18 | I32 ax = mark - stack_base + 1; \ |
| 19 | I32 items = sp - mark | |
| 20 | ||
| 21 | #define XSANY CvXSUBANY(cv) | |
| 22 | ||
| 23 | #define dXSI32 I32 ix = XSANY.any_i32 | |
| 24 | ||
| 0e4ced38 GS |
25 | #define XSRETURN(off) \ |
| 26 | STMT_START { \ | |
| 27 | stack_sp = stack_base + ax + ((off) - 1); \ | |
| 28 | return; \ | |
| 29 | } STMT_END | |
| a0d0e21e | 30 | |
| 748a9306 LW |
31 | /* Simple macros to put new mortal values onto the stack. */ |
| 32 | /* Typically used to return values from XS functions. */ | |
| 4633a7c4 LW |
33 | #define XST_mIV(i,v) (ST(i) = sv_2mortal(newSViv(v)) ) |
| 34 | #define XST_mNV(i,v) (ST(i) = sv_2mortal(newSVnv(v)) ) | |
| 35 | #define XST_mPV(i,v) (ST(i) = sv_2mortal(newSVpv(v,0))) | |
| 36 | #define XST_mNO(i) (ST(i) = &sv_no ) | |
| 37 | #define XST_mYES(i) (ST(i) = &sv_yes ) | |
| 38 | #define XST_mUNDEF(i) (ST(i) = &sv_undef) | |
| 748a9306 | 39 | |
| 80b92232 | 40 | #define XSRETURN_IV(v) STMT_START { XST_mIV(0,v); XSRETURN(1); } STMT_END |
| 41 | #define XSRETURN_NV(v) STMT_START { XST_mNV(0,v); XSRETURN(1); } STMT_END | |
| 42 | #define XSRETURN_PV(v) STMT_START { XST_mPV(0,v); XSRETURN(1); } STMT_END | |
| 43 | #define XSRETURN_NO STMT_START { XST_mNO(0); XSRETURN(1); } STMT_END | |
| 44 | #define XSRETURN_YES STMT_START { XST_mYES(0); XSRETURN(1); } STMT_END | |
| 45 | #define XSRETURN_UNDEF STMT_START { XST_mUNDEF(0); XSRETURN(1); } STMT_END | |
| 46 | #define XSRETURN_EMPTY STMT_START { XSRETURN(0); } STMT_END | |
| 382b8d97 | 47 | |
| 37120919 | 48 | #define newXSproto(a,b,c,d) sv_setpv((SV*)newXS(a,b,c), d) |
| 720fb644 | 49 | |
| 50 | #ifdef XS_VERSION | |
| 51 | # define XS_VERSION_BOOTCHECK \ | |
| 774d564b | 52 | STMT_START { \ |
| 90094154 | 53 | char *xs_version = FORCE_ARG_STRING(XS_VERSION); \ |
| 46fc3d4c | 54 | char *vn = "", *module = SvPV(ST(0),na); \ |
| 774d564b | 55 | if (items >= 2) /* version supplied as bootstrap arg */ \ |
| 56 | Sv = ST(1); \ | |
| 57 | else { \ | |
| 46fc3d4c | 58 | /* XXX GV_ADDWARN */ \ |
| 392e9e90 CS |
59 | Sv = perl_get_sv(form("%s::%s", module, \ |
| 60 | vn = "XS_VERSION"), FALSE); \ | |
| 46fc3d4c | 61 | if (!Sv || !SvOK(Sv)) \ |
| 392e9e90 CS |
62 | Sv = perl_get_sv(form("%s::%s", module, \ |
| 63 | vn = "VERSION"), FALSE); \ | |
| 774d564b | 64 | } \ |
| 5b0d9cbe | 65 | if (Sv && (!SvOK(Sv) || strNE(xs_version, SvPV(Sv, na)))) \ |
| 392e9e90 | 66 | croak("%s object version %s does not match $%s::%s %_", \ |
| 5b0d9cbe | 67 | module, xs_version, module, vn, Sv); \ |
| 80b92232 | 68 | } STMT_END |
| 720fb644 | 69 | #else |
| 70 | # define XS_VERSION_BOOTCHECK | |
| 71 | #endif |