# define sv_catpvn_nomg sv_catpvn
#endif
+#ifndef HvNAME_get
+# define HvNAME_get(H) HvNAME(H)
+#endif
+
+#ifndef HvNAMELEN_get
+# define HvNAMELEN_get(H) strlen(HvNAME_get(H))
+#endif
+
+#define I_HAS_PERL(R, V, S) (PERL_REVISION > (R) || (PERL_REVISION == (R) && (PERL_VERSION > (V) || (PERL_VERSION == (V) && (PERL_SUBVERSION >= (S))))))
+
+#if I_HAS_PERL(5, 10, 0) || defined(PL_parser)
+# ifndef PL_lex_inwhat
+# define PL_lex_inwhat PL_parser->lex_inwhat
+# endif
+# ifndef PL_linestr
+# define PL_linestr PL_parser->linestr
+# endif
+# ifndef PL_bufptr
+# define PL_bufptr PL_parser->bufptr
+# endif
+# ifndef PL_oldbufptr
+# define PL_oldbufptr PL_parser->oldbufptr
+# endif
+#else
+# ifndef PL_lex_inwhat
+# define PL_lex_inwhat PL_Ilex_inwhat
+# endif
+# ifndef PL_linestr
+# define PL_linestr PL_Ilinestr
+# endif
+# ifndef PL_bufptr
+# define PL_bufptr PL_Ibufptr
+# endif
+# ifndef PL_oldbufptr
+# define PL_oldbufptr PL_Ioldbufptr
+# endif
+#endif
+
/* ... Hints ............................................................... */
STATIC U32 indirect_hash = 0;
STATIC IV indirect_hint(pTHX) {
#define indirect_hint() indirect_hint(aTHX)
- SV *id = Perl_refcounted_he_fetch(aTHX_ PL_curcop->cop_hints_hash,
- NULL,
- "indirect", 8,
- 0,
- indirect_hash);
+ SV *id;
+#if I_HAS_PERL(5, 10, 0)
+ id = Perl_refcounted_he_fetch(aTHX_ PL_curcop->cop_hints_hash,
+ NULL,
+ "indirect", 8,
+ 0,
+ indirect_hash);
+#else
+ SV **val = hv_fetch(GvHV(PL_hintgv), "indirect", 8, indirect_hash);
+ if (!val)
+ return 0;
+ id = *val;
+#endif
return (id && SvOK(id) && SvIOK(id)) ? SvIV(id) : 0;
}
STATIC HV *indirect_map = NULL;
STATIC const char *indirect_linestr = NULL;
-#define OP2STR(O) (sprintf(buf, "%u", PTR2UV(o)))
+/* We need (CHAR_BIT * sizeof(UV)) / 4 + 1 chars, but it's just better to take
+ * a power of two */
+#define OP2STR_BUF char buf[(CHAR_BIT * sizeof(UV)) / 2]
+#define OP2STR(O) (sprintf(buf, "%"UVxf, PTR2UV(O)))
STATIC void indirect_map_store(pTHX_ const OP *o, const char *src, SV *sv) {
#define indirect_map_store(O, S, N) indirect_map_store(aTHX_ (O), (S), (N))
- char buf[32];
+ OP2STR_BUF;
const char *pl_linestr;
SV *val;
* In this case the linestr has temporarly changed, but the old buffer should
* still be alive somewhere. */
- if (!PL_parser->lex_inwhat) {
- pl_linestr = SvPVX_const(PL_parser->linestr);
+ if (!PL_lex_inwhat) {
+ pl_linestr = SvPVX_const(PL_linestr);
if (indirect_linestr != pl_linestr) {
hv_clear(indirect_map);
indirect_linestr = pl_linestr;
SvUVX(val) = PTR2UV(src);
SvIOK_on(val);
SvIsUV_on(val);
- if (!hv_store(indirect_map, buf, OP2STR(o), val, 0))
- SvREFCNT_dec(val);
+ if (!hv_store(indirect_map, buf, OP2STR(o), val, 0)) SvREFCNT_dec(val);
}
STATIC const char *indirect_map_fetch(pTHX_ const OP *o, SV ** const name) {
#define indirect_map_fetch(O, S) indirect_map_fetch(aTHX_ (O), (S))
- char buf[32];
+ OP2STR_BUF;
SV **val;
- if (indirect_linestr != SvPVX_const(PL_parser->linestr))
+ if (indirect_linestr != SvPVX_const(PL_linestr))
return NULL;
val = hv_fetch(indirect_map, buf, OP2STR(o), 0);
STATIC void indirect_map_delete(pTHX_ const OP *o) {
#define indirect_map_delete(O) indirect_map_delete(aTHX_ (O))
- char buf[32];
+ OP2STR_BUF;
- hv_delete(indirect_map, buf, OP2STR(o), G_DISCARD);
+ (void)hv_delete(indirect_map, buf, OP2STR(o), G_DISCARD);
}
-STATIC void indirect_map_clean(pTHX_ const OP *o) {
-#define indirect_map_clean(O) indirect_map_clean(aTHX_ (O))
+STATIC void indirect_map_clean_kids(pTHX_ const OP *o) {
+#define indirect_map_clean_kids(O) indirect_map_clean_kids(aTHX_ (O))
if (o->op_flags & OPf_KIDS) {
- const OP *kid = cUNOPo->op_first;
+ const OP *kid = ((const UNOP *) o)->op_first;
for (; kid; kid = kid->op_sibling) {
+ indirect_map_clean_kids(kid);
indirect_map_delete(kid);
- indirect_map_clean(kid);
}
- } else {
- indirect_map_delete(o);
}
}
+STATIC void indirect_map_clean(pTHX_ const OP *o) {
+#define indirect_map_clean(O) indirect_map_clean(aTHX_ (O))
+ indirect_map_clean_kids(o);
+ indirect_map_delete(o);
+}
+
STATIC const char *indirect_find(pTHX_ SV *sv, const char *s) {
#define indirect_find(N, S) indirect_find(aTHX_ (N), (S))
STRLEN len;
const char *p = NULL, *r = SvPV_const(sv, len);
- if (!len)
- return s;
+ if (len >= 1 && *r == '$') {
+ ++r;
+ --len;
+ s = strchr(s, '$');
+ if (!s)
+ return NULL;
+ }
p = strstr(s, r);
while (p) {
if (indirect_hint()) {
SV *sv = cSVOPo_sv;
if (SvPOK(sv) && (SvTYPE(sv) >= SVt_PV))
- indirect_map_store(o, indirect_find(sv, PL_parser->oldbufptr), sv);
+ indirect_map_store(o, indirect_find(sv, PL_oldbufptr), sv);
}
return o;
STATIC OP *indirect_ck_rv2sv(pTHX_ OP *o) {
if (indirect_hint()) {
OP *op = cUNOPo->op_first;
- const char *name = NULL;
+ SV *sv;
+ const char *name = NULL, *s;
STRLEN len;
- switch (op->op_type) {
+ OPCODE type = (OPCODE) op->op_type;
+
+ switch (type) {
case OP_GV:
case OP_GVSV: {
GV *gv = cGVOPx_gv(op);
len = GvNAMELEN(gv);
break;
}
- default: {
- SV *sv = cSVOPx_sv(op);
- if (SvPOK(sv) && (SvTYPE(sv) >= SVt_PV))
- name = SvPV_const(sv, len);
- break;
- }
- }
- if (name) {
- SV *sv = sv_2mortal(newSVpvn("$", 1));
- sv_catpvn_nomg(sv, name, len);
- const char *s;
- s = indirect_find(sv, PL_parser->oldbufptr);
- if (!s) { /* If it failed, retry without the current stash */
- const char *stash = HvNAME_get(PL_curstash);
- STRLEN stashlen = HvNAMELEN_get(PL_curstash);
- if ((len < stashlen + 2) || name != strstr(name, stash)) {
- /* Failed again ? Try to remove main */
- stash = "main";
- stashlen = 4;
- if ((len < stashlen + 2) || name != strstr(name, stash))
- goto done;
+ default:
+ if ((PL_opargs[type] & OA_CLASS_MASK) == OA_SVOP) {
+ SV *nsv = cSVOPx_sv(op);
+ if (SvPOK(nsv) && (SvTYPE(nsv) >= SVt_PV))
+ name = SvPV_const(nsv, len);
}
- sv_setpvn(sv, "$", 1);
- if (name[stashlen] != ':' || name[stashlen+1] != ':')
- goto done;
- stashlen += 2;
- sv_catpvn_nomg(sv, name + stashlen, len - stashlen);
- s = indirect_find(sv, PL_parser->oldbufptr);
- if (!s)
+ }
+ if (!name)
+ goto done;
+
+ sv = sv_2mortal(newSVpvn("$", 1));
+ sv_catpvn_nomg(sv, name, len);
+ s = indirect_find(sv, PL_oldbufptr);
+ if (!s) { /* If it failed, retry without the current stash */
+ const char *stash = HvNAME_get(PL_curstash);
+ STRLEN stashlen = HvNAMELEN_get(PL_curstash);
+
+ if ((len < stashlen + 2) || strnNE(name, stash, stashlen)
+ || name[stashlen] != ':' || name[stashlen+1] != ':') {
+ /* Failed again ? Try to remove main */
+ stash = "main";
+ stashlen = 4;
+ if ((len < stashlen + 2) || strnNE(name, stash, stashlen)
+ || name[stashlen] != ':' || name[stashlen+1] != ':')
goto done;
}
- o = CALL_FPTR(indirect_old_ck_rv2sv)(aTHX_ o);
- indirect_map_store(o, s, sv);
- return o;
+
+ sv_setpvn(sv, "$", 1);
+ stashlen += 2;
+ sv_catpvn_nomg(sv, name + stashlen, len - stashlen);
+ s = indirect_find(sv, PL_oldbufptr);
+ if (!s)
+ goto done;
}
+
+ o = CALL_FPTR(indirect_old_ck_rv2sv)(aTHX_ o);
+ indirect_map_store(o, s, sv);
+ return o;
}
done:
if (indirect_hint()) {
SV *sv;
- const char *s = PL_parser->oldbufptr, *t = PL_parser->bufptr - 1;
+ const char *s = PL_oldbufptr, *t = PL_bufptr - 1;
while (s < t && isSPACE(*s)) ++s;
- while (t > s && isSPACE(*t)) --t;
- sv = sv_2mortal(newSVpvn(s, t - s + 1));
-
- indirect_map_store(o, s, sv);
+ if (*s == '$' && ++s <= t) {
+ while (s < t && isSPACE(*s)) ++s;
+ while (s < t && isSPACE(*t)) --t;
+ sv = sv_2mortal(newSVpvn("$", 1));
+ sv_catpvn_nomg(sv, s, t - s + 1);
+ indirect_map_store(o, s, sv);
+ }
}
return o;
if (!SvPOK(sv) || (SvTYPE(sv) < SVt_PV))
goto done;
sv = sv_mortalcopy(sv);
- s = indirect_find(sv, PL_parser->oldbufptr);
+ s = indirect_find(sv, PL_oldbufptr);
}
o = CALL_FPTR(indirect_old_ck_method)(aTHX_ o);
/* o may now be a method_named */
STATIC OP *(*indirect_old_ck_entersub)(pTHX_ OP *) = 0;
STATIC OP *indirect_ck_entersub(pTHX_ OP *o) {
- LISTOP *op;
- OP *om, *oo;
IV hint = indirect_hint();
o = CALL_FPTR(indirect_old_ck_entersub)(aTHX_ o);
if (hint) {
- const char *pm, *po;
- SV *svm, *svo;
- oo = o;
+ const char *mpos, *opos;
+ SV *mnamesv, *onamesv;
+ OP *mop, *oop;
+ LISTOP *lop;
+
+ oop = o;
do {
- op = (LISTOP *) oo;
- if (!op->op_flags & OPf_KIDS)
+ lop = (LISTOP *) oop;
+ if (!(lop->op_flags & OPf_KIDS))
goto done;
- oo = op->op_first;
- } while (oo->op_type != OP_PUSHMARK);
- oo = oo->op_sibling;
- om = op->op_last;
- if (om->op_type == OP_METHOD)
- om = cUNOPx(om)->op_first;
- else if (om->op_type != OP_METHOD_NAMED)
+ oop = lop->op_first;
+ } while (oop->op_type != OP_PUSHMARK);
+ oop = oop->op_sibling;
+ mop = lop->op_last;
+
+ if (mop->op_type == OP_METHOD)
+ mop = cUNOPx(mop)->op_first;
+ else if (mop->op_type != OP_METHOD_NAMED)
+ goto done;
+
+ mpos = indirect_map_fetch(mop, &mnamesv);
+ if (!mpos)
+ goto done;
+
+ opos = indirect_map_fetch(oop, &onamesv);
+ if (!opos)
goto done;
- pm = indirect_map_fetch(om, &svm);
- po = indirect_map_fetch(oo, &svo);
- if (pm && po && pm < po) {
- const char *psvm = SvPV_nolen_const(svm), *psvo = SvPV_nolen_const(svo);
+
+ if (mpos < opos) {
+ const char *mname = SvPV_nolen_const(mnamesv);
+ const char *oname = SvPV_nolen_const(onamesv);
if (hint == 2)
- croak(indirect_msg, psvm, psvo);
+ croak(indirect_msg, mname, oname);
else
- warn(indirect_msg, psvm, psvo);
+ warn(indirect_msg, mname, oname);
}
+
done:
indirect_map_clean(o);
}