}
}
+
+/* is this container magic (%ENV, $1 etc), or value magic (pos, taint etc)? */
+
+STATIC bool
+S_is_container_magic(const MAGIC *mg)
+{
+ switch (mg->mg_type) {
+ case PERL_MAGIC_bm:
+ case PERL_MAGIC_fm:
+ case PERL_MAGIC_regex_global:
+ case PERL_MAGIC_nkeys:
+#ifdef USE_LOCALE_COLLATE
+ case PERL_MAGIC_collxfrm:
+#endif
+ case PERL_MAGIC_qr:
+ case PERL_MAGIC_taint:
+ case PERL_MAGIC_vec:
+ case PERL_MAGIC_vstring:
+ case PERL_MAGIC_utf8:
+ case PERL_MAGIC_substr:
+ case PERL_MAGIC_defelem:
+ case PERL_MAGIC_arylen:
+ case PERL_MAGIC_pos:
+ case PERL_MAGIC_backref:
+ case PERL_MAGIC_arylen_p:
+ case PERL_MAGIC_rhash:
+ case PERL_MAGIC_symtab:
+ return 0;
+ default:
+ return 1;
+ }
+}
+
/*
=for apidoc mg_get
mg->mg_flags &= ~MGf_GSKIP; /* setting requires another read */
(SSPTR(mgs_ix, MGS*))->mgs_flags = 0;
}
+ if (PL_localizing == 2 && !S_is_container_magic(mg))
+ continue;
if (vtbl && vtbl->svt_set)
CALL_FPTR(vtbl->svt_set)(aTHX_ sv, mg);
}
dVAR;
MAGIC *mg;
for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) {
- MGVTBL* const vtbl = mg->mg_virtual;
- switch (mg->mg_type) {
- /* value magic types: don't copy */
- case PERL_MAGIC_bm:
- case PERL_MAGIC_fm:
- case PERL_MAGIC_regex_global:
- case PERL_MAGIC_nkeys:
-#ifdef USE_LOCALE_COLLATE
- case PERL_MAGIC_collxfrm:
-#endif
- case PERL_MAGIC_qr:
- case PERL_MAGIC_taint:
- case PERL_MAGIC_vec:
- case PERL_MAGIC_vstring:
- case PERL_MAGIC_utf8:
- case PERL_MAGIC_substr:
- case PERL_MAGIC_defelem:
- case PERL_MAGIC_arylen:
- case PERL_MAGIC_pos:
- case PERL_MAGIC_backref:
- case PERL_MAGIC_arylen_p:
- case PERL_MAGIC_rhash:
- case PERL_MAGIC_symtab:
+ const MGVTBL* const vtbl = mg->mg_virtual;
+ if (!S_is_container_magic(mg))
continue;
- }
if ((mg->mg_flags & MGf_LOCAL) && vtbl->svt_local)
(void)CALL_FPTR(vtbl->svt_local)(aTHX_ nsv, mg);
} \
} STMT_END
+void
+Perl_emulate_cop_io(pTHX_ const COP *const c, SV *const sv)
+{
+ if (!(CopHINTS_get(c) & (HINT_LEXICAL_IO_IN|HINT_LEXICAL_IO_OUT)))
+ sv_setsv(sv, &PL_sv_undef);
+ else {
+ sv_setpvs(sv, "");
+ SvUTF8_off(sv);
+ if ((CopHINTS_get(c) & HINT_LEXICAL_IO_IN)) {
+ SV *const value = Perl_refcounted_he_fetch(aTHX_
+ c->cop_hints_hash,
+ 0, "open<", 5, 0, 0);
+ assert(value);
+ sv_catsv(sv, value);
+ }
+ sv_catpvs(sv, "\0");
+ if ((CopHINTS_get(c) & HINT_LEXICAL_IO_OUT)) {
+ SV *const value = Perl_refcounted_he_fetch(aTHX_
+ c->cop_hints_hash,
+ 0, "open>", 5, 0, 0);
+ assert(value);
+ sv_catsv(sv, value);
+ }
+ }
+}
+
int
Perl_magic_get(pTHX_ SV *sv, MAGIC *mg)
{
SvTAINTED_off(sv);
}
else if (strEQ(remaining, "PEN")) {
- if (!(CopHINTS_get(&PL_compiling) & HINT_LEXICAL_IO))
- sv_setsv(sv, &PL_sv_undef);
- else {
- sv_setsv(sv,
- Perl_refcounted_he_fetch(aTHX_
- PL_compiling.cop_hints_hash,
- 0, "open", 4, 0, 0));
- }
+ Perl_emulate_cop_io(aTHX_ &PL_compiling, sv);
}
break;
- case '\020': /* ^P */
- sv_setiv(sv, (IV)PL_perldb);
+ case '\020':
+ if (nextchar == '\0') { /* ^P */
+ sv_setiv(sv, (IV)PL_perldb);
+ } else if (strEQ(remaining, "REMATCH")) { /* $^PREMATCH */
+ goto do_prematch_fetch;
+ } else if (strEQ(remaining, "OSTMATCH")) { /* $^POSTMATCH */
+ goto do_postmatch_fetch;
+ }
break;
case '\023': /* ^S */
if (nextchar == '\0') {
SvPOK_only(sv);
}
break;
+ case '\015': /* $^MATCH */
+ if (strEQ(remaining, "ATCH")) {
case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9': case '&':
- if (PL_curpm && (rx = PM_GETRE(PL_curpm))) {
- /*
- * Pre-threads, this was paren = atoi(GvENAME((GV*)mg->mg_obj));
- * XXX Does the new way break anything?
- */
- paren = atoi(mg->mg_ptr); /* $& is in [0] */
- reg_numbered_buff_get( paren, rx, sv, 0);
- break;
+ if (PL_curpm && (rx = PM_GETRE(PL_curpm))) {
+ /*
+ * Pre-threads, this was paren = atoi(GvENAME((GV*)mg->mg_obj));
+ * XXX Does the new way break anything?
+ */
+ paren = atoi(mg->mg_ptr); /* $& is in [0] */
+ CALLREG_NUMBUF(rx,paren,sv);
+ break;
+ }
+ sv_setsv(sv,&PL_sv_undef);
}
- sv_setsv(sv,&PL_sv_undef);
break;
case '+':
if (PL_curpm && (rx = PM_GETRE(PL_curpm))) {
if (rx->lastparen) {
- reg_numbered_buff_get( rx->lastparen, rx, sv, 0);
+ CALLREG_NUMBUF(rx,rx->lastparen,sv);
break;
}
}
case '\016': /* ^N */
if (PL_curpm && (rx = PM_GETRE(PL_curpm))) {
if (rx->lastcloseparen) {
- reg_numbered_buff_get( rx->lastcloseparen, rx, sv, 0);
+ CALLREG_NUMBUF(rx,rx->lastcloseparen,sv);
break;
}
sv_setsv(sv,&PL_sv_undef);
break;
case '`':
+ do_prematch_fetch:
if (PL_curpm && (rx = PM_GETRE(PL_curpm))) {
- reg_numbered_buff_get( -2, rx, sv, 0);
- break;
+ CALLREG_NUMBUF(rx,-2,sv);
+ break;
}
sv_setsv(sv,&PL_sv_undef);
break;
case '\'':
+ do_postmatch_fetch:
if (PL_curpm && (rx = PM_GETRE(PL_curpm))) {
- reg_numbered_buff_get( -1, rx, sv, 0);
- break;
+ CALLREG_NUMBUF(rx,-1,sv);
+ break;
}
sv_setsv(sv,&PL_sv_undef);
break;
#endif
/* cache state so we don't fetch it again */
if(sigstate == (Sighandler_t) SIG_IGN)
- sv_setpv(sv,"IGNORE");
+ sv_setpvs(sv,"IGNORE");
else
sv_setsv(sv,&PL_sv_undef);
PL_psig_ptr[i] = SvREFCNT_inc_simple_NN(sv);
return 0;
}
+/*
+ * The signal handling nomenclature has gotten a bit confusing since the advent of
+ * safe signals. S_raise_signal only raises signals by analogy with what the
+ * underlying system's signal mechanism does. It might be more proper to say that
+ * it defers signals that have already been raised and caught.
+ *
+ * PL_sig_pending and PL_psig_pend likewise do not track signals that are pending
+ * in the sense of being on the system's signal queue in between raising and delivery.
+ * They are only pending on Perl's deferral list, i.e., they track deferred signals
+ * awaiting delivery after the current Perl opcode completes and say nothing about
+ * signals raised but not yet caught in the underlying signal implementation.
+ */
+
#ifndef SIG_PENDING_DIE_COUNT
# define SIG_PENDING_DIE_COUNT 120
#endif
{
dVAR;
PERL_UNUSED_ARG(sv);
- /* update taint status unless we're restoring at scope exit */
- if (PL_localizing != 2) {
- if (PL_tainted)
- mg->mg_len |= 1;
- else
- mg->mg_len &= ~1;
- }
+ /* update taint status */
+ if (PL_tainted)
+ mg->mg_len |= 1;
+ else
+ mg->mg_len &= ~1;
return 0;
}
}
}
else if (strEQ(mg->mg_ptr, "\017PEN")) {
- PL_compiling.cop_hints |= HINT_LEXICAL_IO;
- PL_hints |= HINT_LOCALIZE_HH | HINT_LEXICAL_IO;
+ STRLEN len;
+ const char *const start = SvPV(sv, len);
+ const char *out = (const char*)memchr(start, '\0', len);
+ SV *tmp;
+ struct refcounted_he *tmp_he;
+
+
+ PL_compiling.cop_hints |= HINT_LEXICAL_IO_IN | HINT_LEXICAL_IO_OUT;
+ PL_hints
+ |= HINT_LOCALIZE_HH | HINT_LEXICAL_IO_IN | HINT_LEXICAL_IO_OUT;
+
+ /* Opening for input is more common than opening for output, so
+ ensure that hints for input are sooner on linked list. */
+ tmp = sv_2mortal(out ? newSVpvn(out + 1, start + len - out - 1)
+ : newSVpvs(""));
+ SvFLAGS(tmp) |= SvUTF8(sv);
+
+ tmp_he
+ = Perl_refcounted_he_new(aTHX_ PL_compiling.cop_hints_hash,
+ sv_2mortal(newSVpvs("open>")), tmp);
+
+ /* The UTF-8 setting is carried over */
+ sv_setpvn(tmp, start, out ? (STRLEN)(out - start) : len);
+
PL_compiling.cop_hints_hash
- = Perl_refcounted_he_new(aTHX_ PL_compiling.cop_hints_hash,
- sv_2mortal(newSVpvs("open")), sv);
+ = Perl_refcounted_he_new(aTHX_ tmp_he,
+ sv_2mortal(newSVpvs("open<")), tmp);
}
break;
case '\020': /* ^P */