diff options
Diffstat (limited to 'op.c')
-rw-r--r-- | op.c | 33 |
1 files changed, 17 insertions, 16 deletions
@@ -1520,7 +1520,7 @@ Perl_doref(pTHX_ OP *o, I32 type, bool set_op_ref) STATIC OP * S_dup_attrlist(pTHX_ OP *o) { - OP *rop = Nullop; + OP *rop; /* An attrlist is either a simple OP_CONST or an OP_LIST with kids, * where the first kid is OP_PUSHMARK and the remaining ones @@ -1530,6 +1530,7 @@ S_dup_attrlist(pTHX_ OP *o) rop = newSVOP(OP_CONST, o->op_flags, SvREFCNT_inc(cSVOPo->op_sv)); else { assert((o->op_type == OP_LIST) && (o->op_flags & OPf_KIDS)); + rop = Nullop; for (o = cLISTOPo->op_first; o; o=o->op_sibling) { if (o->op_type == OP_CONST) rop = append_elem(OP_LIST, rop, @@ -1734,7 +1735,7 @@ S_my_kid(pTHX_ OP *o, OP *attrs, OP **imopsp) OP * Perl_my_attrs(pTHX_ OP *o, OP *attrs) { - OP *rops = Nullop; + OP *rops; int maybe_scalar = 0; /* [perl #17376]: this appears to be premature, and results in code such as @@ -1749,6 +1750,7 @@ Perl_my_attrs(pTHX_ OP *o, OP *attrs) #endif if (attrs) SAVEFREEOP(attrs); + rops = Nullop; o = my_kid(o, attrs, &rops); if (rops) { if (maybe_scalar && o->op_type == OP_PADSV) { @@ -2772,7 +2774,7 @@ Perl_pmruntime(pTHX_ OP *o, OP *expr, bool isreg) cLISTOPx(expr)->op_first->op_sibling == cLISTOPx(expr)->op_last) { /* convert single element list to element */ - OP* oe = expr; + OP* const oe = expr; expr = cLISTOPx(oe)->op_first->op_sibling; cLISTOPx(oe)->op_first->op_sibling = Nullop; cLISTOPx(oe)->op_last = Nullop; @@ -4493,7 +4495,7 @@ Perl_newATTRSUB(pTHX_ I32 floor, OP *o, OP *proto, OP *attrs, OP *block) if (name || aname) { const char *s; - const char *tname = (name ? name : aname); + const char * const tname = (name ? name : aname); if (PERLDB_SUBLINE && PL_curstash != PL_debstash) { SV * const sv = NEWSV(0,0); @@ -4745,13 +4747,11 @@ void Perl_newFORM(pTHX_ I32 floor, OP *o, OP *block) { register CV *cv; - GV *gv; - if (o) - gv = gv_fetchsv(cSVOPo->op_sv, TRUE, SVt_PVFM); - else - gv = gv_fetchpv("STDOUT", TRUE, SVt_PVFM); - + GV * const gv = o + ? gv_fetchsv(cSVOPo->op_sv, TRUE, SVt_PVFM) + : gv_fetchpv("STDOUT", TRUE, SVt_PVFM); + #ifdef GV_UNIQUE_CHECK if (GvUNIQUE(gv)) { Perl_croak(aTHX_ "Bad symbol for form (GV is unique)"); @@ -4977,7 +4977,7 @@ Perl_ck_bitop(pTHX_ OP *o) OP * Perl_ck_concat(pTHX_ OP *o) { - const OP *kid = cUNOPo->op_first; + const OP * const kid = cUNOPo->op_first; if (kid->op_type == OP_CONCAT && !(kid->op_private & OPpTARGET_MY) && !(kUNOP->op_first->op_flags & OPf_MOD)) o->op_flags |= OPf_STACKED; @@ -5164,7 +5164,7 @@ OP * Perl_ck_rvconst(pTHX_ register OP *o) { dVAR; - SVOP *kid = (SVOP*)cUNOPo->op_first; + SVOP * const kid = (SVOP*)cUNOPo->op_first; o->op_private |= (PL_hints & HINT_STRICT_REFS); if (kid->op_type == OP_CONST) { @@ -5174,7 +5174,7 @@ Perl_ck_rvconst(pTHX_ register OP *o) /* Is it a constant from cv_const_sv()? */ if (SvROK(kidsv) && SvREADONLY(kidsv)) { - SV *rsv = SvRV(kidsv); + SV * const rsv = SvRV(kidsv); const int svtype = SvTYPE(rsv); const char *badtype = Nullch; @@ -5406,7 +5406,7 @@ Perl_ck_fun(pTHX_ OP *o) if (kid->op_type == OP_CONST && (kid->op_private & OPpCONST_BARE)) { - OP *newop = newGVOP(OP_GV, 0, + OP * const newop = newGVOP(OP_GV, 0, gv_fetchsv(((SVOP*)kid)->op_sv, TRUE, SVt_PVIO) ); if (!(o->op_private & 1) && /* if not unop */ kid == cLISTOPo->op_last) @@ -5446,7 +5446,7 @@ Perl_ck_fun(pTHX_ OP *o) else if (kid->op_type == OP_RV2SV && kUNOP->op_first->op_type == OP_GV) { - GV *gv = cGVOPx_gv(kUNOP->op_first); + GV * const gv = cGVOPx_gv(kUNOP->op_first); name = GvNAME(gv); len = GvNAMELEN(gv); } @@ -6349,6 +6349,7 @@ Perl_ck_subr(pTHX_ OP *o) break; case ']': if (contextclass) { + /* XXX We shouldn't be modifying proto, so we can const proto */ char *p = proto; const char s = *p; contextclass = 0; @@ -6605,7 +6606,7 @@ Perl_peep(pTHX_ register OP *o) case OP_PADAV: case OP_GV: if (o->op_type == OP_PADAV || o->op_next->op_type == OP_RV2AV) { - OP* pop = (o->op_type == OP_PADAV) ? + OP* const pop = (o->op_type == OP_PADAV) ? o->op_next : o->op_next->op_next; IV i; if (pop && pop->op_type == OP_CONST && |