{
dVAR;
-#ifdef FIXNEGATIVEZERO
if (len == 2 && tbuf[0] == '-' && tbuf[1] == '0') {
tbuf[0] = '0';
tbuf[1] = 0;
len = 1;
}
-#endif
SvUPGRADE(sv, SVt_PV);
if (lp)
*lp = len;
Gconvert(SvNVX(sv), NV_DIG, 0, s);
}
RESTORE_ERRNO;
-#ifdef FIXNEGATIVEZERO
if (*s == '-' && s[1] == '0' && !s[2]) {
s[0] = '0';
s[1] = 0;
}
-#endif
while (*s) s++;
#ifdef hcx
if (s[-1] == '.')
static void
S_glob_assign_glob(pTHX_ SV *const dstr, SV *const sstr, const int dtype)
{
- I32 mro_changes = 0; /* 1 = method, 2 = isa */
+ I32 mro_changes = 0; /* 1 = method, 2 = isa, 3 = recursive isa */
+ HV *old_stash = NULL;
PERL_ARGS_ASSERT_GLOB_ASSIGN_GLOB;
- if (dtype != SVt_PVGV) {
+ if (dtype != SVt_PVGV && !isGV_with_GP(dstr)) {
const char * const name = GvNAME(sstr);
const STRLEN len = GvNAMELEN(sstr);
{
mro_changes = 1;
}
- if(strEQ(GvNAME((const GV *)dstr),"ISA"))
- mro_changes = 2;
+ /* We don’t need to check the name of the destination if it was not a
+ glob to begin with. */
+ if(dtype == SVt_PVGV) {
+ const char * const name = GvNAME((const GV *)dstr);
+ if(strEQ(name,"ISA"))
+ mro_changes = 2;
+ else {
+ const STRLEN len = GvNAMELEN(dstr);
+ if (len > 1 && name[len-2] == ':' && name[len-1] == ':') {
+ mro_changes = 3;
+
+ /* Set aside the old stash, so we can reset isa caches on
+ its subclasses. */
+ old_stash = GvHV(dstr);
+ }
+ }
+ }
gp_free(MUTABLE_GV(dstr));
isGV_with_GP_off(dstr);
}
GvMULTI_on(dstr);
if(mro_changes == 2) mro_isa_changed_in(GvSTASH(dstr));
+ else if(mro_changes == 3) {
+ const HV * const stash = GvHV(dstr);
+ if(stash && HvNAME(stash)) mro_package_moved(stash);
+ if(old_stash && HvNAME(old_stash)) mro_package_moved(old_stash);
+ }
else if(mro_changes) mro_method_changed_in(GvSTASH(dstr));
return;
}
&& CopSTASH_ne(PL_curcop, GvSTASH(dstr))) {
GvFLAGS(dstr) |= import_flag;
}
- if (stype == SVt_PVAV && strEQ(GvNAME((GV*)dstr), "ISA")) {
+ if (stype == SVt_PVHV) {
+ const char * const name = GvNAME((GV*)dstr);
+ const STRLEN len = GvNAMELEN(dstr);
+ if (len > 1 && name[len-2] == ':' && name[len-1] == ':') {
+ if(HvNAME(dref)) mro_package_moved((HV *)dref);
+ if(HvNAME(sref)) mro_package_moved((HV *)sref);
+ }
+ }
+ else if (stype == SVt_PVAV && strEQ(GvNAME((GV*)dstr), "ISA")) {
sv_magic(sref, dstr, PERL_MAGIC_isa, NULL, 0);
mro_isa_changed_in(GvSTASH(dstr));
}
switch (stype) {
case SVt_NULL:
undef_sstr:
- if (dtype != SVt_PVGV) {
+ if (dtype != SVt_PVGV && dtype != SVt_PVLV) {
(void)SvOK_off(dstr);
return;
}
sv_upgrade(dstr, SVt_PVIV);
break;
case SVt_PVGV:
+ case SVt_PVLV:
goto end_of_first_switch;
}
(void)SvIOK_only(dstr);
sv_upgrade(dstr, SVt_PVNV);
break;
case SVt_PVGV:
+ case SVt_PVLV:
goto end_of_first_switch;
}
SvNV_set(dstr, SvNVX(sstr));
/* case SVt_BIND: */
case SVt_PVLV:
case SVt_PVGV:
- if (isGV_with_GP(sstr) && dtype <= SVt_PVGV) {
+ if (isGV_with_GP(sstr) && dtype <= SVt_PVLV) {
glob_assign_glob(dstr, sstr, dtype);
return;
}
case SVt_PVMG:
if (SvGMAGICAL(sstr) && (flags & SV_GMAGIC)) {
mg_get(sstr);
- if (SvTYPE(sstr) != stype) {
+ if (SvTYPE(sstr) != stype)
stype = SvTYPE(sstr);
- if (isGV_with_GP(sstr) && stype == SVt_PVGV && dtype <= SVt_PVGV) {
+ if (isGV_with_GP(sstr) && dtype <= SVt_PVLV) {
glob_assign_glob(dstr, sstr, dtype);
return;
- }
}
}
if (stype == SVt_PVLV)
else
Perl_croak(aTHX_ "Cannot copy to %s", type);
} else if (sflags & SVf_ROK) {
- if (isGV_with_GP(dstr) && dtype == SVt_PVGV
+ if (isGV_with_GP(dstr)
&& SvTYPE(SvRV(sstr)) == SVt_PVGV && isGV_with_GP(SvRV(sstr))) {
sstr = SvRV(sstr);
if (sstr == dstr) {
}
if (dtype >= SVt_PV) {
- if (dtype == SVt_PVGV && isGV_with_GP(dstr)) {
+ if (isGV_with_GP(dstr)) {
glob_assign_ref(dstr, sstr);
return;
}
assert(!(sflags & SVf_NOK));
assert(!(sflags & SVf_IOK));
}
- else if (dtype == SVt_PVGV && isGV_with_GP(dstr)) {
+ else if (isGV_with_GP(dstr)) {
if (!(sflags & SVf_OK)) {
Perl_ck_warner(aTHX_ packWARN(WARN_MISC),
"Undefined value assigned to typeglob");
else {
GV *gv = gv_fetchsv(sstr, GV_ADD, SVt_PVGV);
if (dstr != (const SV *)gv) {
+ const char * const name = GvNAME((const GV *)dstr);
+ const STRLEN len = GvNAMELEN(dstr);
+ HV *old_stash = NULL;
+ bool reset_isa = FALSE;
+ if (len > 1 && name[len-2] == ':' && name[len-1] == ':') {
+ /* Set aside the old stash, so we can reset isa caches
+ on its subclasses. */
+ old_stash = GvHV(dstr);
+ reset_isa = TRUE;
+ }
+
if (GvGP(dstr))
gp_free(MUTABLE_GV(dstr));
GvGP(dstr) = gp_ref(GvGP(gv));
+
+ if (reset_isa) {
+ const HV * const stash = GvHV(dstr);
+ if(stash && HvNAME(stash)) mro_package_moved(stash);
+ if(old_stash && HvNAME(old_stash))
+ mro_package_moved(old_stash);
+ }
}
}
}
#endif
if (SvROK(sv))
sv_unref_flags(sv, flags);
- else if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV)
+ else if (SvFAKE(sv) && isGV_with_GP(sv))
sv_unglob(sv);
else if (SvFAKE(sv) && SvTYPE(sv) == SVt_REGEXP) {
/* Need to downgrade the REGEXP to a simple(r) scalar. This is analagous
}
/*
+=for apidoc sv_catpv_flags
+
+Concatenates the string onto the end of the string which is in the SV.
+If the SV has the UTF-8 status set, then the bytes appended should
+be valid UTF-8. If C<flags> has C<SV_GMAGIC> bit set, will C<mg_get>
+on the SVs if appropriate, else not.
+
+=cut
+*/
+
+void
+Perl_sv_catpv_flags(pTHX_ SV *dstr, const char *sstr, I32 flags)
+{
+ PERL_ARGS_ASSERT_SV_CATPV_FLAGS;
+ sv_catpvn_flags(dstr, sstr, strlen(sstr), flags);
+}
+
+/*
=for apidoc sv_catpv_mg
Like C<sv_catpv>, but also handles 'set' magic.
return sv;
}
+/*
+=for apidoc newSVpv_share
+
+Like C<newSVpvn_share>, but takes a nul-terminated string instead of a
+string/length pair.
+
+=cut
+*/
+
+SV *
+Perl_newSVpv_share(pTHX_ const char *src, U32 hash)
+{
+ return newSVpvn_share(src, strlen(src), hash);
+}
#if defined(PERL_IMPLICIT_CONTEXT)
io = MUTABLE_IO(sv);
break;
case SVt_PVGV:
+ case SVt_PVLV:
if (isGV_with_GP(sv)) {
gv = MUTABLE_GV(sv);
io = GvIO(gv);
return sv;
}
-/* Downgrades a PVGV to a PVMG.
+/* Downgrades a PVGV to a PVMG. If it’s actually a PVLV, we leave the type
+ * as it is after unglobbing it.
*/
STATIC void
PERL_ARGS_ASSERT_SV_UNGLOB;
- assert(SvTYPE(sv) == SVt_PVGV);
+ assert(SvTYPE(sv) == SVt_PVGV || SvTYPE(sv) == SVt_PVLV);
SvFAKE_off(sv);
gv_efullname3(temp, MUTABLE_GV(sv), "*");
}
isGV_with_GP_off(sv);
- /* need to keep SvANY(sv) in the right arena */
- xpvmg = new_XPVMG();
- StructCopy(SvANY(sv), xpvmg, XPVMG);
- del_XPVGV(SvANY(sv));
- SvANY(sv) = xpvmg;
+ if(SvTYPE(sv) == SVt_PVGV) {
+ /* need to keep SvANY(sv) in the right arena */
+ xpvmg = new_XPVMG();
+ StructCopy(SvANY(sv), xpvmg, XPVMG);
+ del_XPVGV(SvANY(sv));
+ SvANY(sv) = xpvmg;
- SvFLAGS(sv) &= ~SVTYPEMASK;
- SvFLAGS(sv) |= SVt_PVMG;
+ SvFLAGS(sv) &= ~SVTYPEMASK;
+ SvFLAGS(sv) |= SVt_PVMG;
+ }
/* Intentionally not calling any local SET magic, as this isn't so much a
set operation as merely an internal storage change. */
DIR *
Perl_dirp_dup(pTHX_ DIR *const dp)
{
+#ifdef HAS_FCHDIR
+ DIR *ret;
+ DIR *pwd;
+ register const Direntry_t *dirent;
+ char smallbuf[256];
+ char *name = NULL;
+ STRLEN len = -1;
+ long pos;
+#endif
+
PERL_UNUSED_CONTEXT;
+
+#ifdef HAS_FCHDIR
if (!dp)
return (DIR*)NULL;
- /* XXX TODO */
- return dp;
+ /* look for it in the table first */
+ ret = (DIR*)ptr_table_fetch(PL_ptr_table, dp);
+ if (ret)
+ return ret;
+
+ /* create anew */
+
+ /* open the current directory (so we can switch back) */
+ if (!(pwd = PerlDir_open("."))) return (DIR *)NULL;
+
+ /* chdir to our dir handle and open the present working directory */
+ if (fchdir(my_dirfd(dp)) < 0 || !(ret = PerlDir_open("."))) {
+ PerlDir_close(pwd);
+ return (DIR *)NULL;
+ }
+ /* Now we should have two dir handles pointing to the same dir. */
+
+ /* Be nice to the calling code and chdir back to where we were. */
+ fchdir(my_dirfd(pwd)); /* If this fails, then what? */
+
+ /* We have no need of the pwd handle any more. */
+ PerlDir_close(pwd);
+
+#ifdef DIRNAMLEN
+# define d_namlen(d) (d)->d_namlen
+#else
+# define d_namlen(d) strlen((d)->d_name)
+#endif
+ /* Iterate once through dp, to get the file name at the current posi-
+ tion. Then step back. */
+ pos = PerlDir_tell(dp);
+ if ((dirent = PerlDir_read(dp))) {
+ len = d_namlen(dirent);
+ if (len <= sizeof smallbuf) name = smallbuf;
+ else Newx(name, len, char);
+ Move(dirent->d_name, name, len, char);
+ }
+ PerlDir_seek(dp, pos);
+
+ /* Iterate through the new dir handle, till we find a file with the
+ right name. */
+ if (!dirent) /* just before the end */
+ for(;;) {
+ pos = PerlDir_tell(ret);
+ if (PerlDir_read(ret)) continue; /* not there yet */
+ PerlDir_seek(ret, pos); /* step back */
+ break;
+ }
+ else {
+ const long pos0 = PerlDir_tell(ret);
+ for(;;) {
+ pos = PerlDir_tell(ret);
+ if ((dirent = PerlDir_read(ret))) {
+ if (len == d_namlen(dirent)
+ && memEQ(name, dirent->d_name, len)) {
+ /* found it */
+ PerlDir_seek(ret, pos); /* step back */
+ break;
+ }
+ /* else we are not there yet; keep iterating */
+ }
+ else { /* This is not meant to happen. The best we can do is
+ reset the iterator to the beginning. */
+ PerlDir_seek(ret, pos0);
+ break;
+ }
+ }
+ }
+#undef d_namlen
+
+ if (name && name != smallbuf)
+ Safefree(name);
+
+ /* pop it in the pointer table */
+ ptr_table_store(PL_ptr_table, dp, ret);
+
+ return ret;
+#else
+ return (DIR*)NULL;
+#endif
}
/* duplicate a typeglob */
dstr->sv_debug_line = sstr->sv_debug_line;
dstr->sv_debug_inpad = sstr->sv_debug_inpad;
dstr->sv_debug_parent = (SV*)sstr;
+ FREE_SV_DEBUG_FILE(dstr);
dstr->sv_debug_file = savepv(sstr->sv_debug_file);
#endif
https://perl5.git.perl.org / perl5.git / blobdiff