return INT2PTR(const struct mro_alg *, SvUVX(*data));
}
+/*
+=for apidoc mro_register
+Registers a custom mro plugin. See L<perlmroapi> for details.
+
+=cut
+*/
+
void
Perl_mro_register(pTHX_ const struct mro_alg *mro) {
SV *wrapper = newSVuv(PTR2UV(mro));
Perl_croak(aTHX_ "Can't linearize anonymous symbol table");
if (level > 100)
- Perl_croak(aTHX_ "Recursive inheritance detected in package '%s'",
- HEK_KEY(stashhek));
+ Perl_croak(aTHX_
+ "Recursive inheritance detected in package '%"HEKf"'",
+ HEKfARG(stashhek));
meta = HvMROMETA(stash);
Perl_croak(aTHX_ "panic: invalid MRO!");
isa = meta->mro_which->resolve(aTHX_ stash, 0);
+ if (meta->mro_which != &dfs_alg) { /* skip for dfs, for speed */
+ SV * const namesv =
+ (HvENAME(stash)||HvNAME(stash))
+ ? newSVhek(HvENAME_HEK(stash)
+ ? HvENAME_HEK(stash)
+ : HvNAME_HEK(stash))
+ : NULL;
+
+ if(namesv && (AvFILLp(isa) == -1 || !sv_eq(*AvARRAY(isa), namesv)))
+ {
+ AV * const old = isa;
+ SV **svp;
+ SV **ovp = AvARRAY(old);
+ SV * const * const oend = ovp + AvFILLp(old) + 1;
+ isa = (AV *)sv_2mortal((SV *)newAV());
+ av_extend(isa, AvFILLp(isa) = AvFILLp(old)+1);
+ *AvARRAY(isa) = namesv;
+ svp = AvARRAY(isa)+1;
+ while (ovp < oend) *svp++ = SvREFCNT_inc(*ovp++);
+ }
+ else SvREFCNT_dec(namesv);
+ }
+
if (!meta->isa) {
HV *const isa_hash = newHV();
/* Linearisation didn't build it for us, so do it here. */
const char * const stashname = HvENAME_get(stash);
const STRLEN stashname_len = HvENAMELEN_get(stash);
+ const bool stashname_utf8 = HvENAMEUTF8(stash) ? 1 : 0;
PERL_ARGS_ASSERT_MRO_ISA_CHANGED_IN;
/* Wipe the global method cache if this package
is UNIVERSAL or one of its parents */
- svp = hv_fetch(PL_isarev, stashname, stashname_len, 0);
+ svp = hv_fetch(PL_isarev, stashname,
+ stashname_utf8 ? -(I32)stashname_len : (I32)stashname_len, 0);
isarev = svp ? MUTABLE_HV(*svp) : NULL;
if((stashname_len == 9 && strEQ(stashname, "UNIVERSAL"))
/* We have to iterate through isarev twice to avoid a chicken and
* egg problem: if A inherits from B and both are in isarev, A might
- * be processed before B and use B’s previous linearisation.
+ * be processed before B and use B's previous linearisation.
*/
/* First iteration: Wipe everything, but stash away the isa hashes
isa_hashes = (HV *)sv_2mortal((SV *)newHV());
}
while((iter = hv_iternext(isarev))) {
- I32 len;
- const char* const revkey = hv_iterkey(iter, &len);
- HV* revstash = gv_stashpvn(revkey, len, 0);
+ HV* revstash = gv_stashsv(hv_iterkeysv(iter), 0);
struct mro_meta* revmeta;
if(!revstash) continue;
(void)
hv_store(
- mroisarev, HEK_KEY(namehek), HEK_LEN(namehek),
+ mroisarev, HEK_KEY(namehek),
+ HEK_UTF8(namehek) ? -HEK_LEN(namehek) : HEK_LEN(namehek),
&PL_sv_yes, 0
);
}
if((SV *)isa != &PL_sv_undef)
mro_clean_isarev(
isa, HEK_KEY(namehek), HEK_LEN(namehek),
- HvMROMETA(revstash)->isa
+ HvMROMETA(revstash)->isa, (HEK_UTF8(namehek) ? SVf_UTF8 : 0)
);
}
}
save time by not making two calls to the common HV code for the
case where it doesn't exist. */
- (void)hv_store(mroisarev, stashname, stashname_len, &PL_sv_yes, 0);
+ (void)hv_store(mroisarev, stashname,
+ stashname_utf8 ? -(I32)stashname_len : (I32)stashname_len, &PL_sv_yes, 0);
}
- /* Delete our name from our former parents’ isarevs. */
+ /* Delete our name from our former parents' isarevs. */
if(isa && HvARRAY(isa))
- mro_clean_isarev(isa, stashname, stashname_len, meta->isa);
+ mro_clean_isarev(isa, stashname, stashname_len, meta->isa,
+ (stashname_utf8 ? SVf_UTF8 : 0) );
}
/* Deletes name from all the isarev entries listed in isa */
STATIC void
S_mro_clean_isarev(pTHX_ HV * const isa, const char * const name,
- const STRLEN len, HV * const exceptions)
+ const STRLEN len, HV * const exceptions, U32 flags)
{
HE* iter;
PERL_ARGS_ASSERT_MRO_CLEAN_ISAREV;
- /* Delete our name from our former parents’ isarevs. */
+ /* Delete our name from our former parents' isarevs. */
if(isa && HvARRAY(isa) && hv_iterinit(isa)) {
SV **svp;
while((iter = hv_iternext(isa))) {
I32 klen;
const char * const key = hv_iterkey(iter, &klen);
- if(exceptions && hv_exists(exceptions, key, klen)) continue;
- svp = hv_fetch(PL_isarev, key, klen, 0);
+ if(exceptions && hv_exists(exceptions, key, HeKUTF8(iter) ? -klen : klen))
+ continue;
+ svp = hv_fetch(PL_isarev, key, HeKUTF8(iter) ? -klen : klen, 0);
if(svp) {
HV * const isarev = (HV *)*svp;
- (void)hv_delete(isarev, name, len, G_DISCARD);
+ (void)hv_delete(isarev, name, (flags & SVf_UTF8) ? -(I32)len : (I32)len, G_DISCARD);
if(!HvARRAY(isarev) || !HvUSEDKEYS(isarev))
- (void)hv_delete(PL_isarev, key, klen, G_DISCARD);
+ (void)hv_delete(PL_isarev, key,
+ HeKUTF8(iter) ? -klen : klen, G_DISCARD);
}
}
}
=for apidoc mro_package_moved
Call this function to signal to a stash that it has been assigned to
-another spot in the stash hierarchy. C<stash> is the stash that has been
-assigned. C<oldstash> is the stash it replaces, if any. C<gv> is the glob
+another spot in the stash hierarchy. C<stash> is the stash that has been
+assigned. C<oldstash> is the stash it replaces, if any. C<gv> is the glob
that is actually being assigned to.
This can also be called with a null first argument to
appropriate.
If the C<gv> is present and is not in the symbol table, then this function
-simply returns. This checked will be skipped if C<flags & 1>.
+simply returns. This checked will be skipped if C<flags & 1>.
=cut
*/
SV **svp;
if(
!GvSTASH(gv) || !HvENAME(GvSTASH(gv)) ||
- !(svp = hv_fetch(GvSTASH(gv), GvNAME(gv), GvNAMELEN(gv), 0)) ||
+ !(svp = hv_fetch(GvSTASH(gv), GvNAME(gv),
+ GvNAMEUTF8(gv) ? -GvNAMELEN(gv) : GvNAMELEN(gv), 0)) ||
*svp != (SV *)gv
) return;
}
if (GvNAMELEN(gv) == 1) sv_catpvs(namesv, ":");
else sv_catpvs(namesv, "::");
}
- if (GvNAMELEN(gv) != 1)
- sv_catpvn(namesv, GvNAME(gv), GvNAMELEN(gv) - 2);
+ if (GvNAMELEN(gv) != 1) {
+ sv_catpvn_flags(
+ namesv, GvNAME(gv), GvNAMELEN(gv) - 2,
/* skip trailing :: */
+ GvNAMEUTF8(gv) ? SV_CATUTF8 : SV_CATBYTES
+ );
+ }
}
else {
SV *aname;
if (GvNAMELEN(gv) == 1) sv_catpvs(aname, ":");
else sv_catpvs(aname, "::");
}
- if (GvNAMELEN(gv) != 1)
- sv_catpvn(aname, GvNAME(gv), GvNAMELEN(gv) - 2);
+ if (GvNAMELEN(gv) != 1) {
+ sv_catpvn_flags(
+ aname, GvNAME(gv), GvNAMELEN(gv) - 2,
/* skip trailing :: */
+ GvNAMEUTF8(gv) ? SV_CATUTF8 : SV_CATBYTES
+ );
+ }
av_push((AV *)namesv, aname);
}
}
}
}
-void
+STATIC void
S_mro_gather_and_rename(pTHX_ HV * const stashes, HV * const seen_stashes,
HV *stash, HV *oldstash, SV *namesv)
{
svp = &namesv;
}
while (items--) {
+ const U32 name_utf8 = SvUTF8(*svp);
STRLEN len;
const char *name = SvPVx_const(*svp++, len);
if(PL_stashcache)
- (void)hv_delete(PL_stashcache, name, len, G_DISCARD);
- hv_ename_delete(oldstash, name, len, 0);
+ (void)hv_delete(PL_stashcache, name, name_utf8 ? -(I32)len : (I32)len, G_DISCARD);
+ hv_ename_delete(oldstash, name, len, name_utf8);
if (!fetched_isarev) {
/* If the name deletion caused a name change, then we
* are not going to call mro_isa_changed_in with this
* name (and not at all if it has become anonymous) so
* we need to delete old isarev entries here, both
- * those in the superclasses and this class’s own list
+ * those in the superclasses and this class's own list
* of subclasses. We simply delete the latter from
* PL_isarev, since we still need it. hv_delete morti-
* fies it for us, so sv_2mortal is not necessary. */
if(HvENAME_HEK(oldstash) != enamehek) {
if(meta->isa && HvARRAY(meta->isa))
- mro_clean_isarev(meta->isa, name, len, NULL);
- isarev = (HV *)hv_delete(PL_isarev, name, len, 0);
+ mro_clean_isarev(meta->isa, name, len, 0, name_utf8);
+ isarev = (HV *)hv_delete(PL_isarev, name,
+ name_utf8 ? -(I32)len : (I32)len, 0);
fetched_isarev=TRUE;
}
}
svp = &namesv;
}
while (items--) {
+ const U32 name_utf8 = SvUTF8(*svp);
STRLEN len;
const char *name = SvPVx_const(*svp++, len);
- hv_ename_add(stash, name, len, 0);
+ hv_ename_add(stash, name, len, name_utf8);
}
/* Add it to the big list if it needs
* mro_isa_changed_in called on it. That happens if it was
* detached from the symbol table (so it had no HvENAME) before
- * being assigned to the spot named by the ‘name’ variable, because
+ * being assigned to the spot named by the 'name' variable, because
* its cached isa linearisation is now stale (the effective name
* having changed), and subclasses will then use that cache when
* mro_package_moved calls mro_isa_changed_in. (See
/* Extra variable to avoid a compiler warning */
char * const hvename = HvENAME(oldstash);
fetched_isarev = TRUE;
- svp = hv_fetch(PL_isarev, hvename, HvENAMELEN_get(oldstash), 0);
+ svp = hv_fetch(PL_isarev, hvename,
+ HvENAMEUTF8(oldstash)
+ ? -HvENAMELEN_get(oldstash)
+ : HvENAMELEN_get(oldstash), 0);
if (svp) isarev = MUTABLE_HV(*svp);
}
else if(SvTYPE(namesv) == SVt_PVAV) {
hv_iterinit(isarev);
while((iter = hv_iternext(isarev))) {
- I32 len;
- const char* const revkey = hv_iterkey(iter, &len);
- HV* revstash = gv_stashpvn(revkey, len, 0);
+ HV* revstash = gv_stashsv(hv_iterkeysv(iter), 0);
struct mro_meta * meta;
if(!revstash) continue;
|| (len == 1 && key[0] == ':')) {
HV * const oldsubstash = GvHV(HeVAL(entry));
SV ** const stashentry
- = stash ? hv_fetch(stash, key, len, 0) : NULL;
+ = stash ? hv_fetch(stash, key, HeUTF8(entry) ? -(I32)len : (I32)len, 0) : NULL;
HV *substash = NULL;
/* Avoid main::main::main::... */
sv_catpvs(aname, ":");
else {
sv_catpvs(aname, "::");
- sv_catpvn(aname, key, len-2);
+ sv_catpvn_flags(
+ aname, key, len-2,
+ HeUTF8(entry)
+ ? SV_CATUTF8 : SV_CATBYTES
+ );
}
av_push((AV *)subname, aname);
}
if (len == 1) sv_catpvs(subname, ":");
else {
sv_catpvs(subname, "::");
- sv_catpvn(subname, key, len-2);
+ sv_catpvn_flags(
+ subname, key, len-2,
+ HeUTF8(entry) ? SV_CATUTF8 : SV_CATBYTES
+ );
}
}
mro_gather_and_rename(
);
}
- (void)hv_store(seen, key, len, &PL_sv_yes, 0);
+ (void)hv_store(seen, key, HeUTF8(entry) ? -(I32)len : (I32)len, &PL_sv_yes, 0);
}
}
}
/* If this entry was seen when we iterated through the
oldstash, skip it. */
- if(seen && hv_exists(seen, key, len)) continue;
+ if(seen && hv_exists(seen, key, HeUTF8(entry) ? -(I32)len : (I32)len)) continue;
/* We get here only if this stash has no corresponding
entry in the stash being replaced. */
sv_catpvs(aname, ":");
else {
sv_catpvs(aname, "::");
- sv_catpvn(aname, key, len-2);
+ sv_catpvn_flags(
+ aname, key, len-2,
+ HeUTF8(entry)
+ ? SV_CATUTF8 : SV_CATBYTES
+ );
}
av_push((AV *)subname, aname);
}
if (len == 1) sv_catpvs(subname, ":");
else {
sv_catpvs(subname, "::");
- sv_catpvn(subname, key, len-2);
+ sv_catpvn_flags(
+ subname, key, len-2,
+ HeUTF8(entry) ? SV_CATUTF8 : SV_CATBYTES
+ );
}
}
mro_gather_and_rename(
the changes in this one.
Ideally, all instances of C<PL_sub_generation++> in
-perl source outside of C<mro.c> should be
+perl source outside of F<mro.c> should be
replaced by calls to this.
Perl automatically handles most of the common
{
const char * const stashname = HvENAME_get(stash);
const STRLEN stashname_len = HvENAMELEN_get(stash);
+ const bool stashname_utf8 = HvENAMEUTF8(stash) ? 1 : 0;
- SV ** const svp = hv_fetch(PL_isarev, stashname, stashname_len, 0);
+ SV ** const svp = hv_fetch(PL_isarev, stashname,
+ stashname_utf8 ? -(I32)stashname_len : (I32)stashname_len, 0);
HV * const isarev = svp ? MUTABLE_HV(*svp) : NULL;
PERL_ARGS_ASSERT_MRO_METHOD_CHANGED_IN;
hv_iterinit(isarev);
while((iter = hv_iternext(isarev))) {
- I32 len;
- const char* const revkey = hv_iterkey(iter, &len);
- HV* const revstash = gv_stashpvn(revkey, len, 0);
+ HV* const revstash = gv_stashsv(hv_iterkeysv(iter), 0);
struct mro_meta* mrometa;
if(!revstash) continue;