* either way, as the saying is, if you follow me." --the Gaffer
*/
+
#include "EXTERN.h"
#define PERL_IN_OP_C
#include "perl.h"
SvREPADTMP_on(PL_regex_pad[(cPMOPo)->op_pmoffset]);
PM_SETRE(cPMOPo, (cPMOPo)->op_pmoffset);
}
-#endif
+#endif
break;
}
op_null(((LISTOP*)cUNOPo->op_first)->op_first);/* disable pushmark */
break;
}
+ else if (o->op_private & OPpENTERSUB_NOMOD)
+ return o;
else { /* lvalue subroutine call */
o->op_private |= OPpLVAL_INTRO;
PL_modcount = RETURN_UNLIMITED_NUMBER;
}
STATIC void
-S_apply_attrs(pTHX_ HV *stash, SV *target, OP *attrs)
+S_apply_attrs(pTHX_ HV *stash, SV *target, OP *attrs, bool for_my)
{
SV *stashsv;
stashsv = &PL_sv_no;
#define ATTRSMODULE "attributes"
+#define ATTRSMODULE_PM "attributes.pm"
- Perl_load_module(aTHX_ PERL_LOADMOD_IMPORT_OPS,
- newSVpvn(ATTRSMODULE, sizeof(ATTRSMODULE)-1),
- Nullsv,
- prepend_elem(OP_LIST,
- newSVOP(OP_CONST, 0, stashsv),
- prepend_elem(OP_LIST,
- newSVOP(OP_CONST, 0,
- newRV(target)),
- dup_attrlist(attrs))));
+ if (for_my) {
+ SV **svp;
+ /* Don't force the C<use> if we don't need it. */
+ svp = hv_fetch(GvHVn(PL_incgv), ATTRSMODULE_PM,
+ sizeof(ATTRSMODULE_PM)-1, 0);
+ if (svp && *svp != &PL_sv_undef)
+ ; /* already in %INC */
+ else
+ Perl_load_module(aTHX_ PERL_LOADMOD_NOIMPORT,
+ newSVpvn(ATTRSMODULE, sizeof(ATTRSMODULE)-1),
+ Nullsv);
+ }
+ else {
+ Perl_load_module(aTHX_ PERL_LOADMOD_IMPORT_OPS,
+ newSVpvn(ATTRSMODULE, sizeof(ATTRSMODULE)-1),
+ Nullsv,
+ prepend_elem(OP_LIST,
+ newSVOP(OP_CONST, 0, stashsv),
+ prepend_elem(OP_LIST,
+ newSVOP(OP_CONST, 0,
+ newRV(target)),
+ dup_attrlist(attrs))));
+ }
LEAVE;
}
+STATIC void
+S_apply_attrs_my(pTHX_ HV *stash, OP *target, OP *attrs, OP **imopsp)
+{
+ OP *pack, *imop, *arg;
+ SV *meth, *stashsv;
+
+ if (!attrs)
+ return;
+
+ assert(target->op_type == OP_PADSV ||
+ target->op_type == OP_PADHV ||
+ target->op_type == OP_PADAV);
+
+ /* Ensure that attributes.pm is loaded. */
+ apply_attrs(stash, pad_sv(target->op_targ), attrs, TRUE);
+
+ /* Need package name for method call. */
+ pack = newSVOP(OP_CONST, 0, newSVpvn(ATTRSMODULE, sizeof(ATTRSMODULE)-1));
+
+ /* Build up the real arg-list. */
+ if (stash)
+ stashsv = newSVpv(HvNAME(stash), 0);
+ else
+ stashsv = &PL_sv_no;
+ arg = newOP(OP_PADSV, 0);
+ arg->op_targ = target->op_targ;
+ arg = prepend_elem(OP_LIST,
+ newSVOP(OP_CONST, 0, stashsv),
+ prepend_elem(OP_LIST,
+ newUNOP(OP_REFGEN, 0,
+ mod(arg, OP_REFGEN)),
+ dup_attrlist(attrs)));
+
+ /* Fake up a method call to import */
+ meth = newSVpvn("import", 6);
+ (void)SvUPGRADE(meth, SVt_PVIV);
+ (void)SvIOK_on(meth);
+ PERL_HASH(SvUVX(meth), SvPVX(meth), SvCUR(meth));
+ imop = convert(OP_ENTERSUB, OPf_STACKED|OPf_SPECIAL|OPf_WANT_VOID,
+ append_elem(OP_LIST,
+ prepend_elem(OP_LIST, pack, list(arg)),
+ newSVOP(OP_METHOD_NAMED, 0, meth)));
+ imop->op_private |= OPpENTERSUB_NOMOD;
+
+ /* Combine the ops. */
+ *imopsp = append_elem(OP_LIST, *imopsp, imop);
+}
+
+/*
+=notfor apidoc apply_attrs_string
+
+Attempts to apply a list of attributes specified by the C<attrstr> and
+C<len> arguments to the subroutine identified by the C<cv> argument which
+is expected to be associated with the package identified by the C<stashpv>
+argument (see L<attributes>). It gets this wrong, though, in that it
+does not correctly identify the boundaries of the individual attribute
+specifications within C<attrstr>. This is not really intended for the
+public API, but has to be listed here for systems such as AIX which
+need an explicit export list for symbols. (It's called from XS code
+in support of the C<ATTRS:> keyword from F<xsubpp>.) Patches to fix it
+to respect attribute syntax properly would be welcome.
+
+=cut
+*/
+
void
Perl_apply_attrs_string(pTHX_ char *stashpv, CV *cv,
char *attrstr, STRLEN len)
}
STATIC OP *
-S_my_kid(pTHX_ OP *o, OP *attrs)
+S_my_kid(pTHX_ OP *o, OP *attrs, OP **imopsp)
{
OP *kid;
I32 type;
type = o->op_type;
if (type == OP_LIST) {
for (kid = cLISTOPo->op_first; kid; kid = kid->op_sibling)
- my_kid(kid, attrs);
+ my_kid(kid, attrs, imopsp);
} else if (type == OP_UNDEF) {
return o;
} else if (type == OP_RV2SV || /* "our" declaration */
type == OP_RV2AV ||
type == OP_RV2HV) { /* XXX does this let anything illegal in? */
+ if (cUNOPo->op_first->op_type != OP_GV) { /* MJD 20011224 */
+ yyerror(Perl_form(aTHX_ "Can't declare %s in my", OP_DESC(o)));
+ }
if (attrs) {
GV *gv = cGVOPx_gv(cUNOPo->op_first);
PL_in_my = FALSE;
(type == OP_RV2SV ? GvSV(gv) :
type == OP_RV2AV ? (SV*)GvAV(gv) :
type == OP_RV2HV ? (SV*)GvHV(gv) : (SV*)gv),
- attrs);
+ attrs, FALSE);
}
o->op_private |= OPpOUR_INTRO;
return o;
- } else if (type != OP_PADSV &&
+ }
+ else if (type != OP_PADSV &&
type != OP_PADAV &&
type != OP_PADHV &&
type != OP_PUSHMARK)
}
else if (attrs && type != OP_PUSHMARK) {
HV *stash;
- SV *padsv;
SV **namesvp;
PL_in_my = FALSE;
stash = SvSTASH(*namesvp);
else
stash = PL_curstash;
- padsv = PAD_SV(o->op_targ);
- apply_attrs(stash, padsv, attrs);
+ apply_attrs_my(stash, o, attrs, imopsp);
}
o->op_flags |= OPf_MOD;
o->op_private |= OPpLVAL_INTRO;
OP *
Perl_my_attrs(pTHX_ OP *o, OP *attrs)
{
+ OP *rops = Nullop;
+ int maybe_scalar = 0;
+
if (o->op_flags & OPf_PARENS)
list(o);
+ else
+ maybe_scalar = 1;
if (attrs)
SAVEFREEOP(attrs);
- o = my_kid(o, attrs);
+ o = my_kid(o, attrs, &rops);
+ if (rops) {
+ if (maybe_scalar && o->op_type == OP_PADSV) {
+ o = scalar(append_list(OP_LIST, (LISTOP*)rops, (LISTOP*)o));
+ o->op_private |= OPpLVAL_INTRO;
+ }
+ else
+ o = append_list(OP_LIST, (LISTOP*)o, (LISTOP*)rops);
+ }
PL_in_my = FALSE;
PL_in_my_stash = Nullhv;
return o;
OP *
Perl_my(pTHX_ OP *o)
{
- return my_kid(o, Nullop);
+ return my_attrs(o, Nullop);
}
OP *
right->op_type == OP_SUBST ||
right->op_type == OP_TRANS)) {
right->op_flags |= OPf_STACKED;
- if ((right->op_type != OP_MATCH &&
- ! (right->op_type == OP_TRANS &&
- right->op_private & OPpTRANS_IDENTICAL)) ||
- /* if SV has magic, then match on original SV, not on its copy.
- see note in pp_helem() */
- (right->op_type == OP_MATCH &&
- (left->op_type == OP_AELEM ||
- left->op_type == OP_HELEM ||
- left->op_type == OP_AELEMFAST)))
+ if (right->op_type != OP_MATCH &&
+ ! (right->op_type == OP_TRANS &&
+ right->op_private & OPpTRANS_IDENTICAL))
left = mod(left, right->op_type);
if (right->op_type == OP_TRANS)
o = newBINOP(OP_NULL, OPf_STACKED, scalar(left), right);
U8 range_mark = UTF_TO_NATIVE(0xff);
sv_catpvn(transv, (char *)&range_mark, 1);
}
- t = uvuni_to_utf8(tmpbuf, 0x7fffffff);
+ t = uvuni_to_utf8_flags(tmpbuf, 0x7fffffff,
+ UNICODE_ALLOW_SUPER);
sv_catpvn(transv, (char*)tmpbuf, t - tmpbuf);
t = (U8*)SvPVX(transv);
tlen = SvCUR(transv);
pmop->op_pmoffset = SvIV(repointer);
SvREPADTMP_off(repointer);
sv_setiv(repointer,0);
- } else {
+ } else {
repointer = newSViv(0);
av_push(PL_regex_padav,SvREFCNT_inc(repointer));
pmop->op_pmoffset = av_len(PL_regex_padav);
}
}
#endif
-
+
/* link into pm list */
if (type != OP_TRANS && PL_curstash) {
pmop->op_pmnext = HvPMROOT(PL_curstash);
p = SvPV(pat, plen);
pm->op_pmflags |= PMf_SKIPWHITE;
}
+ if (DO_UTF8(pat))
+ pm->op_pmdynflags |= PMdf_UTF8;
PM_SETRE(pm, CALLREGCOMP(aTHX_ p, p + plen, pm));
if (strEQ("\\s+", PM_GETRE(pm)->precomp))
pm->op_pmflags |= PMf_WHITE;
}
/*
+=head1 Embedding Functions
+
=for apidoc load_module
Loads the module whose name is pointed to by the string part of name.
return FALSE;
}
+ if (o->op_type == OP_LIST &&
+ (o->op_flags & OPf_WANT) == OPf_WANT_SCALAR &&
+ o->op_private & OPpLVAL_INTRO)
+ return FALSE;
+
if (o->op_type == OP_LIST || o->op_flags & OPf_PARENS ||
o->op_type == OP_RV2AV || o->op_type == OP_RV2HV ||
o->op_type == OP_ASLICE || o->op_type == OP_HSLICE)
if (PERLDB_LINE && PL_curstash != PL_debstash) {
SV **svp = av_fetch(CopFILEAV(PL_curcop), (I32)CopLINE(cop), FALSE);
- if (svp && *svp != &PL_sv_undef ) {
+ if (svp && *svp != &PL_sv_undef ) {
(void)SvIOK_on(*svp);
SvIVX(*svp) = PTR2IV(cop);
- }
+ }
}
return prepend_elem(OP_LINESEQ, (OP*)cop, o);
case OP_SASSIGN:
if (k1->op_type == OP_READDIR
|| k1->op_type == OP_GLOB
- || (k1->op_type == OP_NULL && k1->op_targ == OP_NULL)
+ || (k1->op_type == OP_NULL && k1->op_targ == OP_GLOB)
|| k1->op_type == OP_EACH)
expr = newUNOP(OP_DEFINED, 0, expr);
break;
static void const_sv_xsub(pTHX_ CV* cv);
/*
+
+=head1 Optree Manipulation Functions
+
=for apidoc cv_const_sv
If C<cv> is a constant sub eligible for inlining. returns the constant
else
stash = PL_curstash;
}
- apply_attrs(stash, rcv, attrs);
+ apply_attrs(stash, rcv, attrs, FALSE);
}
if (cv) { /* must reuse cv if autoloaded */
if (!block) {
Perl_warner(aTHX_ WARN_SYNTAX,
"Useless use of %s with no values",
PL_op_desc[type]);
-
+
if (kid->op_type == OP_CONST &&
(kid->op_private & OPpCONST_BARE))
{
OP *newop = newGVOP(OP_GV, 0,
gv_fetchpv(SvPVx(((SVOP*)kid)->op_sv, n_a), TRUE,
SVt_PVIO) );
+ if (kid == cLISTOPo->op_last)
+ cLISTOPo->op_last = newop;
op_free(kid);
kid = newop;
}
goto again;
break;
case ']':
- if (contextclass)
- contextclass = 0;
- else
+ if (contextclass) {
+ char *p = proto;
+ char s = *p;
+ contextclass = 0;
+ *p = '\0';
+ while (*--p != '[');
+ bad_type(arg, Perl_form(aTHX_ "one of %s", p),
+ gv_ename(namegv), o2);
+ *proto = s;
+ } else
goto oops;
break;
case '*':
https://perl5.git.perl.org / perl5.git / blobdiff