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#define DOOP(ppname) PUTBACK; op = ppname(); SPAGAIN
#define PP_LIST(g) do { \
dMARK; \
if (g != G_ARRAY) { \
if (++MARK <= SP) \
*MARK = *SP; \
else \
*MARK = &sv_undef; \
SP = MARK; \
} \
} while (0)
#define MAYBE_TAINT_SASSIGN_SRC(sv) \
if (tainting && tainted && (!SvGMAGICAL(left) || !SvSMAGICAL(left) || \
!((mg=mg_find(left, 't')) && mg->mg_len & 1)))\
TAINT_NOT
#define PP_PREINC(sv) do { \
if (SvIOK(sv)) { \
++SvIVX(sv); \
SvFLAGS(sv) &= ~(SVf_NOK|SVf_POK|SVp_NOK|SVp_POK); \
} \
else \
sv_inc(sv); \
SvSETMAGIC(sv); \
} while (0)
#define PP_UNSTACK do { \
TAINT_NOT; \
stack_sp = stack_base + cxstack[cxstack_ix].blk_oldsp; \
FREETMPS; \
oldsave = scopestack[scopestack_ix - 1]; \
LEAVE_SCOPE(oldsave); \
SPAGAIN; \
} while(0)
#if PATCHLEVEL < 3
#define RUN() run()
#else
#define RUN() runops()
#endif
/* Anyone using eval "" deserves this mess */
#define PP_EVAL(ppaddr, nxt) do { \
Sigjmp_buf oldtop; \
Copy(top_env,oldtop,1,Sigjmp_buf); \
PUTBACK; \
switch (Sigsetjmp(top_env,1)) { \
case 0: \
op = ppaddr(); \
retstack[retstack_ix - 1] = Nullop; \
Copy(oldtop,top_env,1,Sigjmp_buf); \
if (op != nxt) RUN(); \
break; \
case 1: Copy(oldtop,top_env,1,Sigjmp_buf); Siglongjmp(top_env,1); \
case 2: Copy(oldtop,top_env,1,Sigjmp_buf); Siglongjmp(top_env,2); \
case 3: \
Copy(oldtop,top_env,1,Sigjmp_buf); \
if (restartop != nxt) \
Siglongjmp(top_env, 3); \
} \
op = nxt; \
SPAGAIN; \
} while (0)
#define PP_ENTERTRY(jmpbuf,label) do { \
Copy(top_env,jmpbuf,1,Sigjmp_buf); \
switch (Sigsetjmp(top_env,1)) { \
case 1: Copy(jmpbuf,top_env,1,Sigjmp_buf); Siglongjmp(top_env,1); \
case 2: Copy(jmpbuf,top_env,1,Sigjmp_buf); Siglongjmp(top_env,2); \
case 3: Copy(jmpbuf,top_env,1,Sigjmp_buf); SPAGAIN; goto label; \
} \
} while (0)
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