# define SvARENA_CHAIN(sv) ((sv)->sv_u.svu_rv)
/* Whilst I'd love to do this, it seems that things like to check on
unreferenced scalars
-# define POSION_SV_HEAD(sv) Poison(sv, 1, struct STRUCT_SV)
+# define POSION_SV_HEAD(sv) PoisonNew(sv, 1, struct STRUCT_SV)
*/
-# define POSION_SV_HEAD(sv) Poison(&SvANY(sv), 1, void *), \
- Poison(&SvREFCNT(sv), 1, U32)
+# define POSION_SV_HEAD(sv) PoisonNew(&SvANY(sv), 1, void *), \
+ PoisonNew(&SvREFCNT(sv), 1, U32)
#else
# define SvARENA_CHAIN(sv) SvANY(sv)
# define POSION_SV_HEAD(sv)
void ** const r3wt = &PL_body_roots[sv_type]; \
LOCK_SV_MUTEX; \
xpv = *((void **)(r3wt)) \
- ? *((void **)(r3wt)) : S_more_bodies(aTHX_ sv_type); \
+ ? *((void **)(r3wt)) : more_bodies(sv_type); \
*(r3wt) = *(void**)(xpv); \
UNLOCK_SV_MUTEX; \
} STMT_END
int length = old_type_details->copy;
if (new_type_details->offset > old_type_details->offset) {
- int difference
+ const int difference
= new_type_details->offset - old_type_details->offset;
offset += difference;
length -= difference;
can tail call us and return true. */
return (char *) 1;
} else {
- return SvPV(buffer, *len);
+ assert(SvPOK(buffer));
+ if (len) {
+ *len = SvCUR(buffer);
+ }
+ return SvPVX(buffer);
}
}
case SVt_PVGV:
if (dtype <= SVt_PVGV) {
- S_glob_assign_glob(aTHX_ dstr, sstr, dtype);
+ glob_assign_glob(dstr, sstr, dtype);
return;
}
/*FALLTHROUGH*/
if ((int)SvTYPE(sstr) != stype) {
stype = SvTYPE(sstr);
if (stype == SVt_PVGV && dtype <= SVt_PVGV) {
- S_glob_assign_glob(aTHX_ dstr, sstr, dtype);
+ glob_assign_glob(dstr, sstr, dtype);
return;
}
}
GvMULTI_on(dstr);
return;
}
- S_glob_assign_glob(aTHX_ dstr, sstr, dtype);
+ glob_assign_glob(dstr, sstr, dtype);
return;
}
if (dtype >= SVt_PV) {
if (dtype == SVt_PVGV) {
- S_glob_assign_ref(aTHX_ dstr, sstr);
+ glob_assign_ref(dstr, sstr);
return;
}
if (SvPVX_const(dstr)) {
/*
=for apidoc sv_usepvn
-Tells an SV to use C<ptr> to find its string value. Normally the string is
-stored inside the SV but sv_usepvn allows the SV to use an outside string.
-The C<ptr> should point to memory that was allocated by C<malloc>. The
-string length, C<len>, must be supplied. This function will realloc the
-memory pointed to by C<ptr>, so that pointer should not be freed or used by
-the programmer after giving it to sv_usepvn. Does not handle 'set' magic.
+Tells an SV to use C<ptr> to find its string value. Normally the
+string is stored inside the SV but sv_usepvn allows the SV to use an
+outside string. The C<ptr> should point to memory that was allocated
+by C<malloc>. The string length, C<len>, must be supplied. This
+function will realloc (i.e. move) the memory pointed to by C<ptr>,
+so that pointer should not be freed or used by the programmer after
+giving it to sv_usepvn, and neither should any pointers from "behind"
+that pointer (e.g. ptr + 1) be used. Does not handle 'set' magic.
See C<sv_usepvn_mg>.
=cut
case PERL_MAGIC_qr:
vtable = &PL_vtbl_regexp;
break;
+ case PERL_MAGIC_hints:
+ /* As this vtable is all NULL, we can reuse it. */
case PERL_MAGIC_sig:
vtable = &PL_vtbl_sig;
break;
case PERL_MAGIC_backref:
vtable = &PL_vtbl_backref;
break;
+ case PERL_MAGIC_hintselem:
+ vtable = &PL_vtbl_hintselem;
+ break;
case PERL_MAGIC_ext:
/* Reserved for use by extensions not perl internals. */
/* Useful for attaching extension internal data to perl vars. */
{
const U8 *s = start;
+ PERL_UNUSED_CONTEXT;
+
while (s < send && uoffset--)
s += UTF8SKIP(s);
if (s > send) {
S_sv_pos_u2b_cached(pTHX_ SV *sv, MAGIC **mgp, const U8 *const start,
const U8 *const send, STRLEN uoffset,
STRLEN uoffset0, STRLEN boffset0) {
- STRLEN boffset;
+ STRLEN boffset = 0; /* Actually always set, but let's keep gcc happy. */
bool found = FALSE;
assert (uoffset >= uoffset0);
{
const U8* s;
const STRLEN byte = *offsetp;
- STRLEN len;
+ STRLEN len = 0; /* Actually always set, but let's keep gcc happy. */
STRLEN blen;
MAGIC* mg = NULL;
const U8* send;
if (SvMAGICAL(sv) && !SvREADONLY(sv) && PL_utf8cache
&& (mg = mg_find(sv, PERL_MAGIC_utf8))) {
if (mg->mg_ptr) {
- STRLEN *cache = (STRLEN *) mg->mg_ptr;
+ STRLEN * const cache = (STRLEN *) mg->mg_ptr;
if (cache[1] == byte) {
/* An exact match. */
*offsetp = cache[0];
register I32 cnt;
I32 i = 0;
I32 rspara = 0;
- I32 recsize;
if (SvTHINKFIRST(sv))
sv_force_normal_flags(sv, append ? 0 : SV_COW_DROP_PV);
}
else if (RsSNARF(PL_rs)) {
/* If it is a regular disk file use size from stat() as estimate
- of amount we are going to read - may result in malloc-ing
- more memory than we realy need if layers bellow reduce
- size we read (e.g. CRLF or a gzip layer)
+ of amount we are going to read -- may result in mallocing
+ more memory than we really need if the layers below reduce
+ the size we read (e.g. CRLF or a gzip layer).
*/
Stat_t st;
if (!PerlLIO_fstat(PerlIO_fileno(fp), &st) && S_ISREG(st.st_mode)) {
else if (RsRECORD(PL_rs)) {
I32 bytesread;
char *buffer;
+ U32 recsize;
/* Grab the size of the record we're getting */
- recsize = SvIV(SvRV(PL_rs));
+ recsize = SvUV(SvRV(PL_rs)); /* RsRECORD() guarantees > 0. */
buffer = SvGROW(sv, (STRLEN)(recsize + append + 1)) + append;
/* Go yank in */
#ifdef VMS
return sv;
}
/* This will be overwhelminly the most common case. */
- return newSVpvn_share(HEK_KEY(hek),
- (HEK_UTF8(hek) ? -HEK_LEN(hek) : HEK_LEN(hek)),
- HEK_HASH(hek));
+ {
+ /* Inline most of newSVpvn_share(), because share_hek_hek() is far
+ more efficient than sharepvn(). */
+ SV *sv;
+
+ new_SV(sv);
+ sv_upgrade(sv, SVt_PV);
+ SvPV_set(sv, (char *)HEK_KEY(share_hek_hek(hek)));
+ SvCUR_set(sv, HEK_LEN(hek));
+ SvLEN_set(sv, 0);
+ SvREADONLY_on(sv);
+ SvFAKE_on(sv);
+ SvPOK_on(sv);
+ if (HEK_UTF8(hek))
+ SvUTF8_on(sv);
+ return sv;
+ }
}
}
dVAR;
register SV *sv;
bool is_utf8 = FALSE;
+ const char *const orig_src = src;
+
if (len < 0) {
STRLEN tmplen = -len;
is_utf8 = TRUE;
SvPOK_on(sv);
if (is_utf8)
SvUTF8_on(sv);
+ if (src != orig_src)
+ Safefree(src);
return sv;
}
sv_clear(rv);
SvFLAGS(rv) = 0;
SvREFCNT(rv) = refcnt;
- }
- if (SvTYPE(rv) < SVt_RV)
+ sv_upgrade(rv, SVt_RV);
+ } else if (SvROK(rv)) {
+ SvREFCNT_dec(SvRV(rv));
+ } else if (SvTYPE(rv) < SVt_RV)
sv_upgrade(rv, SVt_RV);
else if (SvTYPE(rv) > SVt_RV) {
SvPV_free(rv);
#if defined(USE_ITHREADS)
+/* XXX Remove this so it doesn't have to go thru the macro and return for nothing */
#ifndef GpREFCNT_inc
# define GpREFCNT_inc(gp) ((gp) ? (++(gp)->gp_refcnt, (gp)) : (GP*)NULL)
#endif
+/* Certain cases in Perl_ss_dup have been merged, by relying on the fact
+ that currently av_dup and hv_dup are the same as sv_dup. If this changes,
+ please unmerge ss_dup. */
#define sv_dup_inc(s,t) SvREFCNT_inc(sv_dup(s,t))
#define sv_dup_inc_NN(s,t) SvREFCNT_inc_NN(sv_dup(s,t))
#define av_dup(s,t) (AV*)sv_dup((SV*)s,t)
if (tblent->oldval == sv)
return tblent;
}
- return 0;
+ return NULL;
}
void *
{
PTR_TBL_ENT_t const *const tblent = ptr_table_find(tbl, sv);
PERL_UNUSED_CONTEXT;
- return tblent ? tblent->newval : (void *) 0;
+ return tblent ? tblent->newval : NULL;
}
/* add a new entry to a pointer-mapping table */
TOPINT(nss,ix) = i;
switch (i) {
case SAVEt_ITEM: /* normal string */
+ case SAVEt_SV: /* scalar reference */
sv = (SV*)POPPTR(ss,ix);
TOPPTR(nss,ix) = sv_dup_inc(sv, param);
sv = (SV*)POPPTR(ss,ix);
TOPPTR(nss,ix) = sv_dup_inc(sv, param);
break;
- case SAVEt_SV: /* scalar reference */
- sv = (SV*)POPPTR(ss,ix);
- TOPPTR(nss,ix) = sv_dup_inc(sv, param);
- gv = (GV*)POPPTR(ss,ix);
- TOPPTR(nss,ix) = gv_dup_inc(gv, param);
- break;
- case SAVEt_GENERIC_PVREF: /* generic char* */
- c = (char*)POPPTR(ss,ix);
- TOPPTR(nss,ix) = pv_dup(c);
- ptr = POPPTR(ss,ix);
- TOPPTR(nss,ix) = any_dup(ptr, proto_perl);
- break;
case SAVEt_SHARED_PVREF: /* char* in shared space */
c = (char*)POPPTR(ss,ix);
TOPPTR(nss,ix) = savesharedpv(c);
ptr = POPPTR(ss,ix);
TOPPTR(nss,ix) = svp_dup_inc((SV**)ptr, proto_perl);/* XXXXX */
break;
- case SAVEt_AV: /* array reference */
- av = (AV*)POPPTR(ss,ix);
- TOPPTR(nss,ix) = av_dup_inc(av, param);
- gv = (GV*)POPPTR(ss,ix);
- TOPPTR(nss,ix) = gv_dup(gv, param);
- break;
case SAVEt_HV: /* hash reference */
- hv = (HV*)POPPTR(ss,ix);
- TOPPTR(nss,ix) = hv_dup_inc(hv, param);
+ case SAVEt_AV: /* array reference */
+ sv = POPPTR(ss,ix);
+ TOPPTR(nss,ix) = sv_dup_inc(sv, param);
gv = (GV*)POPPTR(ss,ix);
TOPPTR(nss,ix) = gv_dup(gv, param);
break;
case SAVEt_I32: /* I32 reference */
case SAVEt_I16: /* I16 reference */
case SAVEt_I8: /* I8 reference */
+ case SAVEt_COP_ARYBASE: /* call CopARYBASE_set */
ptr = POPPTR(ss,ix);
TOPPTR(nss,ix) = any_dup(ptr, proto_perl);
i = POPINT(ss,ix);
iv = POPIV(ss,ix);
TOPIV(nss,ix) = iv;
break;
+ case SAVEt_HPTR: /* HV* reference */
+ case SAVEt_APTR: /* AV* reference */
case SAVEt_SPTR: /* SV* reference */
ptr = POPPTR(ss,ix);
TOPPTR(nss,ix) = any_dup(ptr, proto_perl);
ptr = POPPTR(ss,ix);
TOPPTR(nss,ix) = any_dup(ptr, proto_perl);
break;
+ case SAVEt_GENERIC_PVREF: /* generic char* */
case SAVEt_PPTR: /* char* reference */
ptr = POPPTR(ss,ix);
TOPPTR(nss,ix) = any_dup(ptr, proto_perl);
c = (char*)POPPTR(ss,ix);
TOPPTR(nss,ix) = pv_dup(c);
break;
- case SAVEt_HPTR: /* HV* reference */
- ptr = POPPTR(ss,ix);
- TOPPTR(nss,ix) = any_dup(ptr, proto_perl);
- hv = (HV*)POPPTR(ss,ix);
- TOPPTR(nss,ix) = hv_dup(hv, param);
- break;
- case SAVEt_APTR: /* AV* reference */
- ptr = POPPTR(ss,ix);
- TOPPTR(nss,ix) = any_dup(ptr, proto_perl);
- av = (AV*)POPPTR(ss,ix);
- TOPPTR(nss,ix) = av_dup(av, param);
- break;
case SAVEt_NSTAB:
gv = (GV*)POPPTR(ss,ix);
TOPPTR(nss,ix) = gv_dup(gv, param);
case SAVEt_HINTS:
i = POPINT(ss,ix);
TOPINT(nss,ix) = i;
+ ptr = POPPTR(ss,ix);
+ if (ptr) {
+ HINTS_REFCNT_LOCK;
+ ((struct refcounted_he *)ptr)->refcounted_he_refcnt++;
+ HINTS_REFCNT_UNLOCK;
+ }
+ TOPPTR(nss,ix) = ptr;
+ if (i & HINT_LOCALIZE_HH) {
+ hv = (HV*)POPPTR(ss,ix);
+ TOPPTR(nss,ix) = hv_dup_inc(hv, param);
+ }
break;
case SAVEt_COMPPAD:
av = (AV*)POPPTR(ss,ix);
sv = (SV*)POPPTR(ss,ix);
TOPPTR(nss,ix) = sv_dup(sv, param);
break;
+ case SAVEt_RE_STATE:
+ {
+ const struct re_save_state *const old_state
+ = (struct re_save_state *)
+ (ss + ix - SAVESTACK_ALLOC_FOR_RE_SAVE_STATE);
+ struct re_save_state *const new_state
+ = (struct re_save_state *)
+ (nss + ix - SAVESTACK_ALLOC_FOR_RE_SAVE_STATE);
+
+ Copy(old_state, new_state, 1, struct re_save_state);
+ ix -= SAVESTACK_ALLOC_FOR_RE_SAVE_STATE;
+
+ new_state->re_state_bostr
+ = pv_dup(old_state->re_state_bostr);
+ new_state->re_state_reginput
+ = pv_dup(old_state->re_state_reginput);
+ new_state->re_state_regeol
+ = pv_dup(old_state->re_state_regeol);
+ new_state->re_state_regstartp
+ = any_dup(old_state->re_state_regstartp, proto_perl);
+ new_state->re_state_regendp
+ = any_dup(old_state->re_state_regendp, proto_perl);
+ new_state->re_state_reglastparen
+ = any_dup(old_state->re_state_reglastparen, proto_perl);
+ new_state->re_state_reglastcloseparen
+ = any_dup(old_state->re_state_reglastcloseparen,
+ proto_perl);
+ /* XXX This just has to be broken. The old save_re_context
+ code did SAVEGENERICPV(PL_reg_start_tmp);
+ PL_reg_start_tmp is char **.
+ Look above to what the dup code does for
+ SAVEt_GENERIC_PVREF
+ It can never have worked.
+ So this is merely a faithful copy of the exiting bug: */
+ new_state->re_state_reg_start_tmp
+ = (char **) pv_dup((char *)
+ old_state->re_state_reg_start_tmp);
+ /* I assume that it only ever "worked" because no-one called
+ (pseudo)fork while the regexp engine had re-entered itself.
+ */
+#ifdef PERL_OLD_COPY_ON_WRITE
+ new_state->re_state_nrs
+ = sv_dup(old_state->re_state_nrs, param);
+#endif
+ new_state->re_state_reg_magic
+ = any_dup(old_state->re_state_reg_magic, proto_perl);
+ new_state->re_state_reg_oldcurpm
+ = any_dup(old_state->re_state_reg_oldcurpm, proto_perl);
+ new_state->re_state_reg_curpm
+ = any_dup(old_state->re_state_reg_curpm, proto_perl);
+ new_state->re_state_reg_oldsaved
+ = pv_dup(old_state->re_state_reg_oldsaved);
+ new_state->re_state_reg_poscache
+ = pv_dup(old_state->re_state_reg_poscache);
+#ifdef DEBUGGING
+ new_state->re_state_reg_starttry
+ = pv_dup(old_state->re_state_reg_starttry);
+#endif
+ break;
+ }
+ case SAVEt_COP_WARNINGS:
+ {
+ void *optr = POPPTR(ss,ix);
+ TOPPTR(nss,ix) = ptr = any_dup(optr, proto_perl);
+ if (ptr != optr) {
+ /* We duped something in the interpreter structure. */
+ ptr = POPPTR(ss,ix);
+ TOPPTR(nss,ix) = DUP_WARNINGS((STRLEN*)ptr);
+ } else {
+ /* I don't think that this happens, but it would mean that
+ we (didn't) dup something shared. */
+ ptr = POPPTR(ss,ix);
+ TOPPTR(nss,ix) = ptr;
+ }
+ }
+ break;
default:
- Perl_croak(aTHX_ "panic: ss_dup inconsistency");
+ Perl_croak(aTHX_ "panic: ss_dup inconsistency (%"IVdf")", (IV) i);
}
}
PERL_SET_THX(my_perl);
# ifdef DEBUGGING
- Poison(my_perl, 1, PerlInterpreter);
+ PoisonNew(my_perl, 1, PerlInterpreter);
PL_op = NULL;
PL_curcop = NULL;
PL_markstack = 0;
PERL_SET_THX(my_perl);
# ifdef DEBUGGING
- Poison(my_perl, 1, PerlInterpreter);
+ PoisonNew(my_perl, 1, PerlInterpreter);
PL_op = NULL;
PL_curcop = NULL;
PL_markstack = 0;
ptr_table_store(PL_ptr_table, proto_perl->Icompiling.cop_file, PL_compiling.cop_file);
ptr_table_store(PL_ptr_table, &proto_perl->Icompiling, &PL_compiling);
- if (!specialWARN(PL_compiling.cop_warnings))
- PL_compiling.cop_warnings = sv_dup_inc(PL_compiling.cop_warnings, param);
+ PL_compiling.cop_warnings = DUP_WARNINGS(PL_compiling.cop_warnings);
if (!specialCopIO(PL_compiling.cop_io))
PL_compiling.cop_io = sv_dup_inc(PL_compiling.cop_io, param);
+ if (PL_compiling.cop_hints) {
+ HINTS_REFCNT_LOCK;
+ PL_compiling.cop_hints->refcounted_he_refcnt++;
+ HINTS_REFCNT_UNLOCK;
+ }
PL_curcop = (COP*)any_dup(proto_perl->Tcurcop, proto_perl);
/* pseudo environmental stuff */
PL_watchok = NULL;
PL_regdummy = proto_perl->Tregdummy;
- PL_regprecomp = NULL;
- PL_regnpar = 0;
- PL_regsize = 0;
PL_colorset = 0; /* reinits PL_colors[] */
/*PL_colors[6] = {0,0,0,0,0,0};*/
- PL_reginput = NULL;
- PL_regbol = NULL;
- PL_regeol = NULL;
- PL_regstartp = (I32*)NULL;
- PL_regendp = (I32*)NULL;
- PL_reglastparen = (U32*)NULL;
- PL_reglastcloseparen = (U32*)NULL;
- PL_regtill = NULL;
- PL_reg_start_tmp = (char**)NULL;
- PL_reg_start_tmpl = 0;
- PL_regdata = (struct reg_data*)NULL;
- PL_bostr = NULL;
- PL_reg_flags = 0;
- PL_reg_eval_set = 0;
- PL_regnarrate = 0;
- PL_regprogram = (regnode*)NULL;
- PL_regindent = 0;
- PL_reg_call_cc = (struct re_cc_state*)NULL;
- PL_reg_re = (regexp*)NULL;
- PL_reg_ganch = NULL;
- PL_reg_sv = NULL;
- PL_reg_match_utf8 = FALSE;
- PL_reg_magic = (MAGIC*)NULL;
- PL_reg_oldpos = 0;
- PL_reg_oldcurpm = (PMOP*)NULL;
- PL_reg_curpm = (PMOP*)NULL;
- PL_reg_oldsaved = NULL;
- PL_reg_oldsavedlen = 0;
-#ifdef PERL_OLD_COPY_ON_WRITE
- PL_nrs = NULL;
-#endif
- PL_reg_maxiter = 0;
- PL_reg_leftiter = 0;
- PL_reg_poscache = NULL;
- PL_reg_poscache_size= 0;
/* RE engine - function pointers */
PL_regcompp = proto_perl->Tregcompp;
PL_regint_start = proto_perl->Tregint_start;
PL_regint_string = proto_perl->Tregint_string;
PL_regfree = proto_perl->Tregfree;
-
+ Zero(&PL_reg_state, 1, struct re_save_state);
PL_reginterp_cnt = 0;
- PL_reg_starttry = 0;
+ PL_regmatch_slab = NULL;
/* Pluggable optimizer */
PL_peepp = proto_perl->Tpeepp;
/* attempt to find a match within the aggregate */
if (hash) {
- keysv = S_find_hash_subscript(aTHX_ (HV*)sv, uninit_sv);
+ keysv = find_hash_subscript((HV*)sv, uninit_sv);
if (keysv)
subscript_type = FUV_SUBSCRIPT_HASH;
}
/* index is an expression;
* attempt to find a match within the aggregate */
if (obase->op_type == OP_HELEM) {
- SV * const keysv = S_find_hash_subscript(aTHX_ (HV*)sv, uninit_sv);
+ SV * const keysv = find_hash_subscript((HV*)sv, uninit_sv);
if (keysv)
return varname(gv, '%', o->op_targ,
keysv, 0, FUV_SUBSCRIPT_HASH);
}
else {
- const I32 index = S_find_array_subscript(aTHX_ (AV*)sv, uninit_sv);
+ const I32 index = find_array_subscript((AV*)sv, uninit_sv);
if (index >= 0)
return varname(gv, '@', o->op_targ,
NULL, index, FUV_SUBSCRIPT_ARRAY);
projects / p5sagit/p5-mst-13.2.git / blobdiff