Commit | Line | Data |
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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 PM |
36 | |
37 | #define newXSproto(a,b,c,d) sv_setpv(newXS(a,b,c), d) |