sv_setsv(tmpstr, sv);
continue;
}
- sv_catsv(tmpstr, msv);
+ sv_catsv_nomg(tmpstr, msv);
}
SvSETMAGIC(tmpstr);
SP = ORIGMARK;
PM_SETRE(pm, NULL); /* crucial if regcomp aborts */
#endif
} else if (PL_curcop->cop_hints_hash) {
- SV *ptr = Perl_refcounted_he_fetch(aTHX_ PL_curcop->cop_hints_hash, 0,
- "regcomp", 7, 0, 0);
+ SV *ptr = cop_hints_fetch_pvs(PL_curcop, "regcomp", 0);
if (ptr && SvIOK(ptr) && SvIV(ptr))
eng = INT2PTR(regexp_engine*,SvIV(ptr));
}
}
else if (SvAMAGIC(tmpstr)) {
/* make a copy to avoid extra stringifies */
- SV* copy = newSV_type(SVt_PV);
- sv_setpvn(copy, t, len);
- if (SvUTF8(tmpstr))
- SvUTF8_on(copy);
- else
- SvUTF8_off(copy);
- sv_2mortal(copy);
- tmpstr = copy;
+ tmpstr = newSVpvn_flags(t, len, SVs_TEMP | SvUTF8(tmpstr));
+ }
+
+ /* If it is gmagical, create a mortal copy, but without calling
+ get-magic, as we have already done that. */
+ if(SvGMAGICAL(tmpstr)) {
+ SV *mortalcopy = sv_newmortal();
+ sv_setsv_flags(mortalcopy, tmpstr, 0);
+ tmpstr = mortalcopy;
}
if (eng)
(void)ReREFCNT_inc(rx);
cx->sb_rxtainted |= RX_MATCH_TAINTED(rx);
rxres_save(&cx->sb_rxres, rx);
+ PL_curpm = pm;
RETURNOP(pm->op_pmstashstartu.op_pmreplstart);
}
/* copy the new items down to the destination list */
dst = PL_stack_base + (PL_markstack_ptr[-2] += items) - 1;
if (gimme == G_ARRAY) {
- while (items-- > 0)
- *dst-- = SvTEMP(TOPs) ? POPs : sv_mortalcopy(POPs);
+ /* add returned items to the collection (making mortal copies
+ * if necessary), then clear the current temps stack frame
+ * *except* for those items. We do this splicing the items
+ * into the start of the tmps frame (so some items may be on
+ * the tmps stack twice), then moving PL_tmps_floor above
+ * them, then freeing the frame. That way, the only tmps that
+ * accumulate over iterations are the return values for map.
+ * We have to do to this way so that everything gets correctly
+ * freed if we die during the map.
+ */
+ I32 tmpsbase;
+ I32 i = items;
+ /* make space for the slice */
+ EXTEND_MORTAL(items);
+ tmpsbase = PL_tmps_floor + 1;
+ Move(PL_tmps_stack + tmpsbase,
+ PL_tmps_stack + tmpsbase + items,
+ PL_tmps_ix - PL_tmps_floor,
+ SV*);
+ PL_tmps_ix += items;
+
+ while (i-- > 0) {
+ SV *sv = POPs;
+ if (!SvTEMP(sv))
+ sv = sv_mortalcopy(sv);
+ *dst-- = sv;
+ PL_tmps_stack[tmpsbase++] = SvREFCNT_inc_simple(sv);
+ }
+ /* clear the stack frame except for the items */
+ PL_tmps_floor += items;
+ FREETMPS;
+ /* FREETMPS may have cleared the TEMP flag on some of the items */
+ i = items;
+ while (i-- > 0)
+ SvTEMP_on(PL_tmps_stack[--tmpsbase]);
}
else {
/* scalar context: we don't care about which values map returns
(void)POPs;
*dst-- = &PL_sv_undef;
}
+ FREETMPS;
}
}
+ else {
+ FREETMPS;
+ }
LEAVE_with_name("grep_item"); /* exit inner scope */
/* All done yet? */
PERL_ARGS_ASSERT_QERROR;
- if (PL_in_eval)
- sv_catsv(ERRSV, err);
+ if (PL_in_eval) {
+ if (PL_in_eval & EVAL_KEEPERR) {
+ Perl_ck_warner(aTHX_ packWARN(WARN_MISC), "\t(in cleanup) %s",
+ SvPV_nolen_const(err));
+ }
+ else
+ sv_catsv(ERRSV, err);
+ }
else if (PL_errors)
sv_catsv(PL_errors, err);
else
SV *namesv;
register PERL_CONTEXT *cx;
SV **newsp;
+ COP *oldcop;
+ JMPENV *restartjmpenv;
+ OP *restartop;
if (cxix < cxstack_ix)
dounwind(cxix);
}
POPEVAL(cx);
namesv = cx->blk_eval.old_namesv;
+ oldcop = cx->blk_oldcop;
+ restartjmpenv = cx->blk_eval.cur_top_env;
+ restartop = cx->blk_eval.retop;
if (gimme == G_SCALAR)
*++newsp = &PL_sv_undef;
* XXX it might be better to find a way to avoid messing with
* PL_curcop in save_re_context() instead, but this is a more
* minimal fix --GSAR */
- PL_curcop = cx->blk_oldcop;
+ PL_curcop = oldcop;
if (optype == OP_REQUIRE) {
const char* const msg = SvPVx_nolen_const(exceptsv);
else {
sv_setsv(ERRSV, exceptsv);
}
- assert(CxTYPE(cx) == CXt_EVAL);
- PL_restartjmpenv = cx->blk_eval.cur_top_env;
- PL_restartop = cx->blk_eval.retop;
+ PL_restartjmpenv = restartjmpenv;
+ PL_restartop = restartop;
JMPENV_JUMP(3);
/* NOTREACHED */
}
RETSETNO;
}
-PP(pp_caller)
+/*
+=for apidoc caller_cx
+
+The XSUB-writer's equivalent of L<caller()|perlfunc/caller>. The
+returned C<PERL_CONTEXT> structure can be interrogated to find all the
+information returned to Perl by C<caller>. Note that XSUBs don't get a
+stack frame, so C<caller_cx(0, NULL)> will return information for the
+immediately-surrounding Perl code.
+
+This function skips over the automatic calls to C<&DB::sub> made on the
+behalf of the debugger. If the stack frame requested was a sub called by
+C<DB::sub>, the return value will be the frame for the call to
+C<DB::sub>, since that has the correct line number/etc. for the call
+site. If I<dbcxp> is non-C<NULL>, it will be set to a pointer to the
+frame for the sub call itself.
+
+=cut
+*/
+
+const PERL_CONTEXT *
+Perl_caller_cx(pTHX_ I32 count, const PERL_CONTEXT **dbcxp)
{
- dVAR;
- dSP;
register I32 cxix = dopoptosub(cxstack_ix);
register const PERL_CONTEXT *cx;
register const PERL_CONTEXT *ccstack = cxstack;
const PERL_SI *top_si = PL_curstackinfo;
- I32 gimme;
- const char *stashname;
- I32 count = 0;
-
- if (MAXARG)
- count = POPi;
for (;;) {
/* we may be in a higher stacklevel, so dig down deeper */
ccstack = top_si->si_cxstack;
cxix = dopoptosub_at(ccstack, top_si->si_cxix);
}
- if (cxix < 0) {
- if (GIMME != G_ARRAY) {
- EXTEND(SP, 1);
- RETPUSHUNDEF;
- }
- RETURN;
- }
+ if (cxix < 0)
+ return NULL;
/* caller() should not report the automatic calls to &DB::sub */
if (PL_DBsub && GvCV(PL_DBsub) && cxix >= 0 &&
ccstack[cxix].blk_sub.cv == GvCV(PL_DBsub))
}
cx = &ccstack[cxix];
+ if (dbcxp) *dbcxp = cx;
+
if (CxTYPE(cx) == CXt_SUB || CxTYPE(cx) == CXt_FORMAT) {
const I32 dbcxix = dopoptosub_at(ccstack, cxix - 1);
/* We expect that ccstack[dbcxix] is CXt_SUB, anyway, the
cx = &ccstack[dbcxix];
}
+ return cx;
+}
+
+PP(pp_caller)
+{
+ dVAR;
+ dSP;
+ register const PERL_CONTEXT *cx;
+ const PERL_CONTEXT *dbcx;
+ I32 gimme;
+ const char *stashname;
+ I32 count = 0;
+
+ if (MAXARG)
+ count = POPi;
+
+ cx = caller_cx(count, &dbcx);
+ if (!cx) {
+ if (GIMME != G_ARRAY) {
+ EXTEND(SP, 1);
+ RETPUSHUNDEF;
+ }
+ RETURN;
+ }
+
stashname = CopSTASHPV(cx->blk_oldcop);
if (GIMME != G_ARRAY) {
EXTEND(SP, 1);
if (!MAXARG)
RETURN;
if (CxTYPE(cx) == CXt_SUB || CxTYPE(cx) == CXt_FORMAT) {
- GV * const cvgv = CvGV(ccstack[cxix].blk_sub.cv);
+ GV * const cvgv = CvGV(dbcx->blk_sub.cv);
/* So is ccstack[dbcxix]. */
if (isGV(cvgv)) {
SV * const sv = newSV(0);
AV * const ary = cx->blk_sub.argarray;
const int off = AvARRAY(ary) - AvALLOC(ary);
- if (!PL_dbargs) {
- PL_dbargs = GvAV(gv_AVadd(gv_fetchpvs("DB::args", GV_ADDMULTI,
- SVt_PVAV)));
- AvREAL_off(PL_dbargs); /* XXX should be REIFY (see av.h) */
- }
+ if (!PL_dbargs)
+ Perl_init_dbargs(aTHX);
if (AvMAX(PL_dbargs) < AvFILLp(ary) + off)
av_extend(PL_dbargs, AvFILLp(ary) + off);
}
PUSHs(cx->blk_oldcop->cop_hints_hash ?
- sv_2mortal(newRV_noinc(
- MUTABLE_SV(Perl_refcounted_he_chain_2hv(aTHX_
- cx->blk_oldcop->cop_hints_hash))))
+ sv_2mortal(newRV_noinc(MUTABLE_SV(cop_hints_2hv(cx->blk_oldcop, 0))))
: &PL_sv_undef);
RETURN;
}
dVAR; dSP; dMARK;
register PERL_CONTEXT *cx;
const I32 gimme = GIMME_V;
- SV **svp;
+ void *itervar; /* location of the iteration variable */
U8 cxtype = CXt_LOOP_FOR;
-#ifdef USE_ITHREADS
- PAD *iterdata;
-#endif
ENTER_with_name("loop1");
SAVETMPS;
- if (PL_op->op_targ) {
- if (PL_op->op_private & OPpLVAL_INTRO) { /* for my $x (...) */
+ if (PL_op->op_targ) { /* "my" variable */
+ if (PL_op->op_private & OPpLVAL_INTRO) { /* for my $x (...) */
SvPADSTALE_off(PAD_SVl(PL_op->op_targ));
SAVESETSVFLAGS(PAD_SVl(PL_op->op_targ),
SVs_PADSTALE, SVs_PADSTALE);
}
SAVEPADSVANDMORTALIZE(PL_op->op_targ);
-#ifndef USE_ITHREADS
- svp = &PAD_SVl(PL_op->op_targ); /* "my" variable */
+#ifdef USE_ITHREADS
+ itervar = PL_comppad;
#else
- iterdata = NULL;
+ itervar = &PAD_SVl(PL_op->op_targ);
#endif
}
- else {
+ else { /* symbol table variable */
GV * const gv = MUTABLE_GV(POPs);
- svp = &GvSV(gv); /* symbol table variable */
- SAVEGENERICSV(*svp);
+ SV** svp = &GvSV(gv);
+ save_pushptrptr(gv, SvREFCNT_inc(*svp), SAVEt_GVSV);
*svp = newSV(0);
-#ifdef USE_ITHREADS
- iterdata = (PAD*)gv;
-#endif
+ itervar = (void *)gv;
}
if (PL_op->op_private & OPpITER_DEF)
ENTER_with_name("loop2");
PUSHBLOCK(cx, cxtype, SP);
-#ifdef USE_ITHREADS
- PUSHLOOP_FOR(cx, iterdata, MARK, PL_op->op_targ);
-#else
- PUSHLOOP_FOR(cx, svp, MARK, 0);
-#endif
+ PUSHLOOP_FOR(cx, itervar, MARK);
if (PL_op->op_flags & OPf_STACKED) {
SV *maybe_ary = POPs;
if (SvTYPE(maybe_ary) != SVt_PVAV) {
retop = cx->blk_eval.retop;
if (CxTRYBLOCK(cx))
break;
- lex_end();
if (optype == OP_REQUIRE &&
(MARK == SP || (gimme == G_SCALAR && !SvTRUE(*SP))) )
{
if (PL_scopestack_ix < inner)
leave_scope(PL_scopestack[PL_scopestack_ix]);
PL_curcop = cx->blk_oldcop;
- return CX_LOOP_NEXTOP_GET(cx);
+ return (cx)->blk_loop.my_op->op_nextop;
}
PP(pp_redo)
enterops, enterops + GOTO_DEPTH);
if (retop)
break;
+ if (gotoprobe->op_sibling &&
+ gotoprobe->op_sibling->op_type == OP_UNSTACK &&
+ gotoprobe->op_sibling->op_sibling) {
+ retop = dofindlabel(gotoprobe->op_sibling->op_sibling,
+ label, enterops, enterops + GOTO_DEPTH);
+ if (retop)
+ break;
+ }
}
PL_lastgotoprobe = gotoprobe;
}
* for each op. For now, we punt on the hard ones. */
if (PL_op->op_type == OP_ENTERITER)
DIE(aTHX_ "Can't \"goto\" into the middle of a foreach loop");
- CALL_FPTR(PL_op->op_ppaddr)(aTHX);
+ PL_op->op_ppaddr(aTHX);
}
PL_op = oldop;
}
int runtime;
CV* runcv = NULL; /* initialise to avoid compiler warnings */
STRLEN len;
+ bool need_catch;
PERL_ARGS_ASSERT_SV_COMPILE_2OP;
ENTER_with_name("eval");
- lex_start(sv, NULL, FALSE);
+ lex_start(sv, NULL, 0);
SAVETMPS;
/* switch to eval mode */
PL_op->op_flags = 0; /* Avoid uninit warning. */
PUSHBLOCK(cx, CXt_EVAL|(IN_PERL_COMPILETIME ? 0 : CXp_REAL), SP);
PUSHEVAL(cx, 0);
+ need_catch = CATCH_GET;
+ CATCH_SET(TRUE);
if (runtime)
(void) doeval(G_SCALAR, startop, runcv, PL_curcop->cop_seq);
else
(void) doeval(G_SCALAR, startop, PL_compcv, PL_cop_seqmax);
+ CATCH_SET(need_catch);
POPBLOCK(cx,PL_curpm);
POPEVAL(cx);
(*startop)->op_type = OP_NULL;
(*startop)->op_ppaddr = PL_ppaddr[OP_NULL];
- lex_end();
/* XXX DAPM do this properly one year */
*padp = MUTABLE_AV(SvREFCNT_inc_simple(PL_comppad));
LEAVE_with_name("eval");
* 3: yyparse() died
*/
STATIC int
-S_try_yyparse(pTHX)
+S_try_yyparse(pTHX_ int gramtype)
{
int ret;
dJMPENV;
JMPENV_PUSH(ret);
switch (ret) {
case 0:
- ret = yyparse() ? 1 : 0;
+ ret = yyparse(gramtype) ? 1 : 0;
break;
case 3:
break;
else
CLEAR_ERRSV();
+ CALL_BLOCK_HOOKS(bhk_eval, saveop);
+
/* note that yyparse() may raise an exception, e.g. C<BEGIN{die}>,
* so honour CATCH_GET and trap it here if necessary */
- yystatus = (!in_require && CATCH_GET) ? S_try_yyparse(aTHX) : yyparse();
+ yystatus = (!in_require && CATCH_GET) ? S_try_yyparse(aTHX_ GRAMPROG) : yyparse(GRAMPROG);
if (yystatus || PL_parser->error_count || !PL_eval_root) {
SV **newsp; /* Used by POPBLOCK. */
namesv = cx->blk_eval.old_namesv;
}
}
- lex_end();
if (yystatus != 3)
LEAVE_with_name("eval"); /* pp_entereval knows about this LEAVE. */
}
}
- if (PL_unitcheckav)
+ if (PL_unitcheckav) {
+ OP *es = PL_eval_start;
call_list(PL_scopestack_ix, PL_unitcheckav);
+ PL_eval_start = es;
+ }
/* compiled okay, so do it */
sv = POPs;
if ( (SvNIOKp(sv) || SvVOK(sv)) && PL_op->op_type != OP_DOFILE) {
- sv = new_version(sv);
+ sv = sv_2mortal(new_version(sv));
if (!sv_derived_from(PL_patchlevel, "version"))
upg_version(PL_patchlevel, TRUE);
if (cUNOP->op_first->op_type == OP_CONST && cUNOP->op_first->op_private & OPpCONST_NOVER) {
}
/* We do this only with "use", not "require" or "no". */
- if (PL_compcv &&
- !(cUNOP->op_first->op_private & OPpCONST_NOVER) &&
- /* If we request a version >= 5.9.5, load feature.pm with the
- * feature bundle that corresponds to the required version. */
- vcmp(sv, sv_2mortal(upg_version(newSVnv(5.009005), FALSE))) >= 0) {
- SV *const importsv = vnormal(sv);
- *SvPVX_mutable(importsv) = ':';
- ENTER_with_name("load_feature");
- Perl_load_module(aTHX_ 0, newSVpvs("feature"), NULL, importsv, NULL);
- LEAVE_with_name("load_feature");
- }
- /* If a version >= 5.11.0 is requested, strictures are on by default! */
- if (PL_compcv &&
- vcmp(sv, sv_2mortal(upg_version(newSVnv(5.011000), FALSE))) >= 0) {
- PL_hints |= (HINT_STRICT_REFS | HINT_STRICT_SUBS | HINT_STRICT_VARS);
+ if (PL_compcv && !(cUNOP->op_first->op_private & OPpCONST_NOVER)) {
+ /* If we request a version >= 5.9.5, load feature.pm with the
+ * feature bundle that corresponds to the required version. */
+ if (vcmp(sv, sv_2mortal(upg_version(newSVnv(5.009005), FALSE))) >= 0) {
+ SV *const importsv = vnormal(sv);
+ *SvPVX_mutable(importsv) = ':';
+ ENTER_with_name("load_feature");
+ Perl_load_module(aTHX_ 0, newSVpvs("feature"), NULL, importsv, NULL);
+ LEAVE_with_name("load_feature");
+ }
+ /* If a version >= 5.11.0 is requested, strictures are on by default! */
+ if (vcmp(sv, sv_2mortal(upg_version(newSVnv(5.011000), FALSE))) >= 0) {
+ PL_hints |= (HINT_STRICT_REFS | HINT_STRICT_SUBS | HINT_STRICT_VARS);
+ }
}
RETPUSHYES;
ENTER_with_name("eval");
SAVETMPS;
- lex_start(NULL, tryrsfp, TRUE);
+ lex_start(NULL, tryrsfp, 0);
SAVEHINTS();
PL_hints = 0;
{
dVAR;
dSP;
- mXPUSHs(MUTABLE_SV(Perl_hv_copy_hints_hv(aTHX_ MUTABLE_HV(cSVOP_sv))));
+ mXPUSHs(MUTABLE_SV(hv_copy_hints_hv(MUTABLE_HV(cSVOP_sv))));
RETURN;
}
/* make sure we've got a plain PV (no overload etc) before testing
* for taint. Making a copy here is probably overkill, but better
* safe than sorry */
- SV* tmpsv = newSV_type(SVt_PV);
- sv_copypv(tmpsv, sv);
- sv_2mortal(tmpsv);
- sv = tmpsv;
+ STRLEN len;
+ const char * const p = SvPV_const(sv, len);
+
+ sv = newSVpvn_flags(p, len, SVs_TEMP | SvUTF8(sv));
}
TAINT_IF(SvTAINTED(sv));
TAINT_PROPER("eval");
ENTER_with_name("eval");
- lex_start(sv, NULL, FALSE);
+ lex_start(sv, NULL, 0);
SAVETMPS;
/* switch to eval mode */
}
SAVECOMPILEWARNINGS();
PL_compiling.cop_warnings = DUP_WARNINGS(PL_curcop->cop_warnings);
- if (PL_compiling.cop_hints_hash) {
- Perl_refcounted_he_free(aTHX_ PL_compiling.cop_hints_hash);
- }
- if (Perl_fetch_cop_label(aTHX_ PL_curcop->cop_hints_hash, NULL, NULL)) {
+ cophh_free(CopHINTHASH_get(&PL_compiling));
+ if (Perl_fetch_cop_label(aTHX_ PL_curcop, NULL, NULL)) {
/* The label, if present, is the first entry on the chain. So rather
than writing a blank label in front of it (which involves an
allocation), just use the next entry in the chain. */
PL_compiling.cop_hints_hash
- = PL_curcop->cop_hints_hash->refcounted_he_next;
+ = cophh_copy(PL_curcop->cop_hints_hash->refcounted_he_next);
/* Check the assumption that this removed the label. */
- assert(Perl_fetch_cop_label(aTHX_ PL_compiling.cop_hints_hash, NULL,
- NULL) == NULL);
+ assert(Perl_fetch_cop_label(aTHX_ &PL_compiling, NULL, NULL) == NULL);
}
else
- PL_compiling.cop_hints_hash = PL_curcop->cop_hints_hash;
- if (PL_compiling.cop_hints_hash) {
- HINTS_REFCNT_LOCK;
- PL_compiling.cop_hints_hash->refcounted_he_refcnt++;
- HINTS_REFCNT_UNLOCK;
- }
+ PL_compiling.cop_hints_hash = cophh_copy(PL_curcop->cop_hints_hash);
/* special case: an eval '' executed within the DB package gets lexically
* placed in the first non-DB CV rather than the current CV - this
* allows the debugger to execute code, find lexicals etc, in the
assert(CvDEPTH(PL_compcv) == 1);
#endif
CvDEPTH(PL_compcv) = 0;
- lex_end();
if (optype == OP_REQUIRE &&
!(gimme == G_SCALAR ? SvTRUE(*SP) : SP > newsp))
PL_curcop = cx->blk_oldcop;
if (CxFOREACH(cx))
- return CX_LOOP_NEXTOP_GET(cx);
+ return (cx)->blk_loop.my_op->op_nextop;
else
/* RETURNOP calls PUTBACK which restores the old old sp */
RETURNOP(cx->blk_givwhen.leave_op);
https://perl5.git.perl.org / perl5.git / blobdiff