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#define DOOP(ppname) PUTBACK; op = ppname(ARGS); 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)
/* Anyone using eval "" deserves this mess */
#define PP_EVAL(ppaddr, nxt) do { \
dJMPENV; \
int jmpstat; \
PUTBACK; \
JMPENV_PUSH(jmpstat); \
switch (jmpstat) { \
case JMP_NORMAL: \
op = ppaddr(ARGS); \
retstack[retstack_ix - 1] = Nullop; \
if (op != nxt) runops(); \
JMPENV_POP; \
break; \
case JMP_ABNORMAL: JMPENV_POP; JMPENV_JUMP(JMP_ABNORMAL); \
case JMP_MYEXIT: JMPENV_POP; JMPENV_JUMP(JMP_MYEXIT); \
case JMP_EXCEPTION: \
JMPENV_POP; \
if (restartop != nxt) \
JMPENV_JUMP(JMP_EXCEPTION); \
} \
op = nxt; \
SPAGAIN; \
} while (0)
#define PP_ENTERTRY(jmpbuf,label) do { \
dJMPENV; \
int ret; \
JMPENV_PUSH(ret); \
switch (ret) { \
case JMP_ABNORMAL: JMPENV_POP; JMPENV_JUMP(JMP_ABNORMAL); \
case JMP_MYEXIT: JMPENV_POP; JMPENV_JUMP(JMP_MYEXIT); \
case JMP_EXCEPTION: JMPENV_POP; SPAGAIN; goto label;\
} \
} while (0)
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