Commit | Line | Data |
---|---|---|
a0d0e21e LW |
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 | ||
748a9306 LW |
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_mortalcopy(&sv_no); | |
26 | #define XST_mYES(i) ST(i)=sv_mortalcopy(&sv_yes); | |
27 | #define XST_mUNDEF(i) ST(i)=sv_newmortal(); | |
28 | ||
29 | #define XSRETURN_IV(v) XST_mIV(0,v); XSRETURN(1) | |
30 | #define XSRETURN_NV(v) XST_mNV(0,v); XSRETURN(1) | |
31 | #define XSRETURN_PV(v) XST_mPV(0,v); XSRETURN(1) | |
32 | #define XSRETURN_NO XST_mNO(0); XSRETURN(1) | |
33 | #define XSRETURN_YES XST_mYES(0); XSRETURN(1) | |
34 | #define XSRETURN_UNDEF XST_mUNDEF(0); XSRETURN(1) |