=for apidoc AmU||MARK
Stack marker variable for the XSUB. See C<dMARK>.
-=for apidoc Ams||PUSHMARK
+=for apidoc Am|void|PUSHMARK|SP
Opening bracket for arguments on a callback. See C<PUTBACK> and
L<perlcall>.
#define MARK mark
#define TARG targ
-#define PUSHMARK(p) if (++PL_markstack_ptr == PL_markstack_max) \
- markstack_grow(); \
- *PL_markstack_ptr = (p) - PL_stack_base
+#define PUSHMARK(p) \
+ STMT_START { \
+ if (++PL_markstack_ptr == PL_markstack_max) \
+ markstack_grow(); \
+ *PL_markstack_ptr = (p) - PL_stack_base; \
+ } STMT_END
#define TOPMARK (*PL_markstack_ptr)
#define POPMARK (*PL_markstack_ptr--)
#define ORIGMARK (PL_stack_base + origmark)
#define SPAGAIN sp = PL_stack_sp
-#define MSPAGAIN sp = PL_stack_sp; mark = ORIGMARK
+#define MSPAGAIN STMT_START { sp = PL_stack_sp; mark = ORIGMARK; } STMT_END
#define GETTARGETSTACKED targ = (PL_op->op_flags & OPf_STACKED ? POPs : PAD_SV(PL_op->op_targ))
#define dTARGETSTACKED SV * GETTARGETSTACKED
#define NORMAL PL_op->op_next
#define DIE return Perl_die
+#define DIE_NULL return DieNull
/*
=for apidoc Ams||PUTBACK
#define XPUSHu(u) STMT_START { sv_setuv(TARG, (UV)(u)); XPUSHTARG; } STMT_END
#define XPUSHundef STMT_START { SvOK_off(TARG); XPUSHs(TARG); } STMT_END
-#define PUSHmortal(s) PUSHs(sv_newmortal())
-#define mPUSHp(p,l) STMT_START { sv_setpvn_mg(PUSHmortal, (p), (l)); } STMT_END
-#define mPUSHn(n) STMT_START { sv_setnv_mg(PUSHmortal, (NV)(n)); } STMT_END
-#define mPUSHi(i) STMT_START { sv_setiv_mg(PUSHmortal, (IV)(i)); } STMT_END
-#define mPUSHu(u) STMT_START { sv_setuv_mg(PUSHmortal, (UV)(u)); } STMT_END
+#define PUSHmortal PUSHs(sv_newmortal())
+#define mPUSHp(p,l) sv_setpvn_mg(PUSHmortal, (p), (l))
+#define mPUSHn(n) sv_setnv_mg(PUSHmortal, (NV)(n))
+#define mPUSHi(i) sv_setiv_mg(PUSHmortal, (IV)(i))
+#define mPUSHu(u) sv_setuv_mg(PUSHmortal, (UV)(u))
-#define XPUSHmortal(s) STMT_START { EXTEND(sp,1); PUSHmortal; } STMT_END
-#define mXPUSHp(p,l) STMT_START { sv_setpvn_mg(XPUSHmortal, (p), (l)); } STMT_END
-#define mXPUSHn(n) STMT_START { sv_setnv_mg(XPUSHmortal, (NV)(n)); } STMT_END
-#define mXPUSHi(i) STMT_START { sv_setiv_mg(XPUSHmortal, (IV)(i)); } STMT_END
-#define mXPUSHu(u) STMT_START { sv_setuv_mg(XPUSHmortal, (UV)(u)); } STMT_END
+#define XPUSHmortal XPUSHs(sv_newmortal())
+#define mXPUSHp(p,l) STMT_START { EXTEND(sp,1); sv_setpvn_mg(PUSHmortal, (p), (l)); } STMT_END
+#define mXPUSHn(n) STMT_START { EXTEND(sp,1); sv_setnv_mg(PUSHmortal, (NV)(n)); } STMT_END
+#define mXPUSHi(i) STMT_START { EXTEND(sp,1); sv_setiv_mg(PUSHmortal, (IV)(i)); } STMT_END
+#define mXPUSHu(u) STMT_START { EXTEND(sp,1); sv_setuv_mg(PUSHmortal, (UV)(u)); } STMT_END
#define SETs(s) (*sp = s)
#define SETTARG STMT_START { SvSETMAGIC(TARG); SETs(TARG); } STMT_END
#define tryAMAGICun(meth) tryAMAGICunW(meth,SETsvUN,0,RETURN)
#define tryAMAGICunSET(meth) tryAMAGICunW(meth,SETs,0,RETURN)
#define tryAMAGICunTARGET(meth, shift) \
- { dSP; sp--; /* get TARGET from below PL_stack_sp */ \
+ STMT_START { dSP; sp--; /* get TARGET from below PL_stack_sp */ \
{ dTARGETSTACKED; \
- { dSP; tryAMAGICunW(meth,FORCE_SETs,shift,RETURN);}}}
-
-#define setAGAIN(ref) sv = ref; \
- if (!SvROK(ref)) \
- Perl_croak(aTHX_ "Overloaded dereference did not return a reference"); \
- if (ref != arg && SvRV(ref) != SvRV(arg)) { \
- arg = ref; \
- goto am_again; \
- }
+ { dSP; tryAMAGICunW(meth,FORCE_SETs,shift,RETURN);}}} STMT_END
+
+#define setAGAIN(ref) \
+ STMT_START { \
+ sv = ref; \
+ if (!SvROK(ref)) \
+ Perl_croak(aTHX_ "Overloaded dereference did not return a reference"); \
+ if (ref != arg && SvRV(ref) != SvRV(arg)) { \
+ arg = ref; \
+ goto am_again; \
+ } \
+ } STMT_END
#define tryAMAGICunDEREF(meth) tryAMAGICunW(meth,setAGAIN,0,(void)0)