/* op.c
*
- * Copyright (c) 1991-1999, Larry Wall
+ * Copyright (c) 1991-2000, Larry Wall
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
}
if (ckWARN(WARN_UNSAFE) && AvFILLp(PL_comppad_name) >= 0) {
SV **svp = AvARRAY(PL_comppad_name);
- for (off = AvFILLp(PL_comppad_name); off > PL_comppad_name_floor; off--) {
+ HV *ourstash = (PL_curstash ? PL_curstash : PL_defstash);
+ PADOFFSET top = AvFILLp(PL_comppad_name);
+ for (off = top; off > PL_comppad_name_floor; off--) {
if ((sv = svp[off])
&& sv != &PL_sv_undef
&& (SvIVX(sv) == PAD_MAX || SvIVX(sv) == 0)
+ && (PL_in_my != KEY_our
+ || ((SvFLAGS(sv) & SVpad_OUR) && GvSTASH(sv) == ourstash))
&& strEQ(name, SvPVX(sv)))
{
- if (PL_in_my != KEY_our
- || GvSTASH(sv) == (PL_curstash ? PL_curstash : PL_defstash))
+ Perl_warner(aTHX_ WARN_UNSAFE,
+ "\"%s\" variable %s masks earlier declaration in same %s",
+ (PL_in_my == KEY_our ? "our" : "my"),
+ name,
+ (SvIVX(sv) == PAD_MAX ? "scope" : "statement"));
+ --off;
+ break;
+ }
+ }
+ if (PL_in_my == KEY_our) {
+ while (off >= 0 && off <= top) {
+ if ((sv = svp[off])
+ && sv != &PL_sv_undef
+ && ((SvFLAGS(sv) & SVpad_OUR) && GvSTASH(sv) == ourstash)
+ && strEQ(name, SvPVX(sv)))
{
Perl_warner(aTHX_ WARN_UNSAFE,
- "\"%s\" variable %s masks earlier declaration in same %s",
- (PL_in_my == KEY_our ? "our" : "my"),
- name,
- (SvIVX(sv) == PAD_MAX ? "scope" : "statement"));
+ "\"our\" variable %s redeclared", name);
+ Perl_warner(aTHX_ WARN_UNSAFE,
+ "(Did you mean \"local\" instead of \"our\"?)\n");
+ break;
}
- break;
+ --off;
}
}
}
sv_setpv(sv, name);
if (PL_in_my_stash) {
if (*name != '$')
- yyerror(Perl_form(aTHX_ "Can't declare class for non-scalar %s in \"my\"",
- name));
+ yyerror(Perl_form(aTHX_ "Can't declare class for non-scalar %s in \"%s\"",
+ name, PL_in_my == KEY_our ? "our" : "my"));
SvOBJECT_on(sv);
(void)SvUPGRADE(sv, SVt_PVMG);
SvSTASH(sv) = (HV*)SvREFCNT_inc(PL_in_my_stash);
return off;
}
+STATIC PADOFFSET
+S_pad_addlex(pTHX_ SV *proto_namesv)
+{
+ SV *namesv = NEWSV(1103,0);
+ PADOFFSET newoff = pad_alloc(OP_PADSV, SVs_PADMY);
+ sv_upgrade(namesv, SVt_PVNV);
+ sv_setpv(namesv, SvPVX(proto_namesv));
+ av_store(PL_comppad_name, newoff, namesv);
+ SvNVX(namesv) = (NV)PL_curcop->cop_seq;
+ SvIVX(namesv) = PAD_MAX; /* A ref, intro immediately */
+ SvFAKE_on(namesv); /* A ref, not a real var */
+ if (SvFLAGS(proto_namesv) & SVpad_OUR) { /* An "our" variable */
+ SvFLAGS(namesv) |= SVpad_OUR;
+ (void)SvUPGRADE(namesv, SVt_PVGV);
+ GvSTASH(namesv) = (HV*)SvREFCNT_inc((SV*)GvSTASH(proto_namesv));
+ }
+ if (SvOBJECT(proto_namesv)) { /* A typed var */
+ SvOBJECT_on(namesv);
+ (void)SvUPGRADE(namesv, SVt_PVMG);
+ SvSTASH(namesv) = (HV*)SvREFCNT_inc((SV*)SvSTASH(proto_namesv));
+ PL_sv_objcount++;
+ }
+ return newoff;
+}
+
#define FINDLEX_NOSEARCH 1 /* don't search outer contexts */
STATIC PADOFFSET
}
depth = 1;
}
- oldpad = (AV*)*av_fetch(curlist, depth, FALSE);
+ oldpad = (AV*)AvARRAY(curlist)[depth];
oldsv = *av_fetch(oldpad, off, TRUE);
if (!newoff) { /* Not a mere clone operation. */
- SV *namesv = NEWSV(1103,0);
- newoff = pad_alloc(OP_PADSV, SVs_PADMY);
- sv_upgrade(namesv, SVt_PVNV);
- sv_setpv(namesv, name);
- av_store(PL_comppad_name, newoff, namesv);
- SvNVX(namesv) = (NV)PL_curcop->cop_seq;
- SvIVX(namesv) = PAD_MAX; /* A ref, intro immediately */
- SvFAKE_on(namesv); /* A ref, not a real var */
- if (SvFLAGS(sv) & SVpad_OUR) { /* An "our" variable */
- SvFLAGS(namesv) |= SVpad_OUR;
- (void)SvUPGRADE(namesv, SVt_PVGV);
- GvSTASH(namesv) = (HV*)SvREFCNT_inc((SV*)GvSTASH(sv));
- }
- if (SvOBJECT(sv)) { /* A typed var */
- SvOBJECT_on(namesv);
- (void)SvUPGRADE(namesv, SVt_PVMG);
- SvSTASH(namesv) = (HV*)SvREFCNT_inc((SV*)SvSTASH(sv));
- PL_sv_objcount++;
- }
+ newoff = pad_addlex(sv);
if (CvANON(PL_compcv) || SvTYPE(PL_compcv) == SVt_PVFM) {
/* "It's closures all the way down." */
CvCLONE_on(PL_compcv);
bcv && bcv != cv && !CvCLONE(bcv);
bcv = CvOUTSIDE(bcv))
{
- if (CvANON(bcv))
+ if (CvANON(bcv)) {
+ /* install the missing pad entry in intervening
+ * nested subs and mark them cloneable.
+ * XXX fix pad_foo() to not use globals */
+ AV *ocomppad_name = PL_comppad_name;
+ AV *ocomppad = PL_comppad;
+ SV **ocurpad = PL_curpad;
+ AV *padlist = CvPADLIST(bcv);
+ PL_comppad_name = (AV*)AvARRAY(padlist)[0];
+ PL_comppad = (AV*)AvARRAY(padlist)[1];
+ PL_curpad = AvARRAY(PL_comppad);
+ pad_addlex(sv);
+ PL_comppad_name = ocomppad_name;
+ PL_comppad = ocomppad;
+ PL_curpad = ocurpad;
CvCLONE_on(bcv);
+ }
else {
if (ckWARN(WARN_CLOSURE)
&& !CvUNIQUE(bcv) && !CvUNIQUE(cv))
case OP_GGRGID:
case OP_GETLOGIN:
func_ops:
- if (!(o->op_private & OPpLVAL_INTRO))
+ if (!(o->op_private & (OPpLVAL_INTRO|OPpOUR_INTRO)))
useless = PL_op_desc[o->op_type];
break;
switch (o->op_type) {
case OP_ENTERSUB:
- if ((type == OP_DEFINED || type == OP_LOCK) &&
+ if ((type == OP_EXISTS || type == OP_DEFINED || type == OP_LOCK) &&
!(o->op_flags & OPf_STACKED)) {
o->op_type = OP_RV2CV; /* entersub => rv2cv */
o->op_ppaddr = PL_ppaddr[OP_RV2CV];
type != OP_PADHV &&
type != OP_PUSHMARK)
{
- yyerror(Perl_form(aTHX_ "Can't declare %s in my", PL_op_desc[o->op_type]));
+ yyerror(Perl_form(aTHX_ "Can't declare %s in \"%s\"",
+ PL_op_desc[o->op_type],
+ PL_in_my == KEY_our ? "our" : "my"));
return o;
}
else if (attrs && type != OP_PUSHMARK) {
SV *padsv;
SV **namesvp;
+ PL_in_my = FALSE;
+ PL_in_my_stash = Nullhv;
+
/* check for C<my Dog $spot> when deciding package */
namesvp = av_fetch(PL_comppad_name, o->op_targ, FALSE);
if (namesvp && *namesvp && SvOBJECT(*namesvp) && HvNAME(SvSTASH(*namesvp)))
{
if (o->op_flags & OPf_PARENS)
list(o);
- PL_in_my = FALSE;
- PL_in_my_stash = Nullhv;
if (attrs)
SAVEFREEOP(attrs);
- return my_kid(o, attrs);
+ o = my_kid(o, attrs);
+ PL_in_my = FALSE;
+ PL_in_my_stash = Nullhv;
+ return o;
}
OP *
int retval = PL_savestack_ix;
SAVEI32(PL_comppad_name_floor);
- if (full) {
- if ((PL_comppad_name_fill = AvFILLp(PL_comppad_name)) > 0)
- PL_comppad_name_floor = PL_comppad_name_fill;
- else
- PL_comppad_name_floor = 0;
- }
+ PL_comppad_name_floor = AvFILLp(PL_comppad_name);
+ if (full)
+ PL_comppad_name_fill = PL_comppad_name_floor;
+ if (PL_comppad_name_floor < 0)
+ PL_comppad_name_floor = 0;
SAVEI32(PL_min_intro_pending);
SAVEI32(PL_max_intro_pending);
PL_min_intro_pending = 0;
PL_compiling.cop_warnings = newSVsv(PL_compiling.cop_warnings) ;
SAVEFREESV(PL_compiling.cop_warnings) ;
}
-
-
return retval;
}
char *s;
for (s = PL_bufptr; *s && (isALNUM(*s) || (*s & 0x80) || strchr("@$%, ",*s)); s++) ;
if (*s == ';' || *s == '=')
- Perl_warner(aTHX_ WARN_PARENTHESIS, "Parentheses missing around \"%s\" list",
- lex ? "my" : "local");
+ Perl_warner(aTHX_ WARN_PARENTHESIS,
+ "Parentheses missing around \"%s\" list",
+ lex ? (PL_in_my == KEY_our ? "our" : "my") : "local");
}
}
- PL_in_my = FALSE;
- PL_in_my_stash = Nullhv;
if (lex)
- return my(o);
+ o = my(o);
else
- return mod(o, OP_NULL); /* a bit kludgey */
+ o = mod(o, OP_NULL); /* a bit kludgey */
+ PL_in_my = FALSE;
+ PL_in_my_stash = Nullhv;
+ return o;
}
OP *
if (rfirst == 0xffffffff) {
diff = tdiff; /* oops, pretend rdiff is infinite */
if (diff > 0)
- Perl_sv_catpvf(aTHX_ listsv, "%04x\t%04x\tXXXX\n", tfirst, tlast);
+ Perl_sv_catpvf(aTHX_ listsv, "%04lx\t%04lx\tXXXX\n",
+ (long)tfirst, (long)tlast);
else
- Perl_sv_catpvf(aTHX_ listsv, "%04x\t\tXXXX\n", tfirst);
+ Perl_sv_catpvf(aTHX_ listsv, "%04lx\t\tXXXX\n", (long)tfirst);
}
else {
if (diff > 0)
- Perl_sv_catpvf(aTHX_ listsv, "%04x\t%04x\t%04x\n", tfirst, tfirst + diff, rfirst);
+ Perl_sv_catpvf(aTHX_ listsv, "%04lx\t%04lx\t%04lx\n",
+ (long)tfirst, (long)(tfirst + diff),
+ (long)rfirst);
else
- Perl_sv_catpvf(aTHX_ listsv, "%04x\t\t%04x\n", tfirst, rfirst);
+ Perl_sv_catpvf(aTHX_ listsv, "%04lx\t\t%04lx\n",
+ (long)tfirst, (long)rfirst);
if (rfirst + diff > max)
max = rfirst + diff;
p = SvPV(pat, plen);
pm->op_pmflags |= PMf_SKIPWHITE;
}
+ if ((PL_hints & HINT_UTF8) || (SvUTF8(pat) && !(PL_hints & HINT_BYTE)))
+ pm->op_pmdynflags |= PMdf_UTF8;
pm->op_pmregexp = CALLREGCOMP(aTHX_ p, p + plen, pm);
if (strEQ("\\s+", pm->op_pmregexp->precomp))
pm->op_pmflags |= PMf_WHITE;
op_free(expr);
}
else {
+ if (PL_hints & HINT_UTF8)
+ pm->op_pmdynflags |= PMdf_UTF8;
if (pm->op_pmflags & PMf_KEEP || !(PL_hints & HINT_RE_EVAL))
expr = newUNOP((!(PL_hints & HINT_RE_EVAL)
? OP_REGCRESET
cop->op_ppaddr = PL_ppaddr[ OP_NEXTSTATE ];
}
cop->op_flags = flags;
- cop->op_private = (PL_hints & HINT_UTF8);
+ cop->op_private = (PL_hints & HINT_BYTE);
#ifdef NATIVE_HINTS
cop->op_private |= NATIVE_HINTS;
#endif
if (!block)
block = newOP(OP_NULL, 0);
+ else if (cont) {
+ block = scope(block);
+ }
if (cont)
next = LINKLIST(cont);
if (SvPOK(pname[ix]))
PerlIO_printf(Perl_debug_log,
"\t%4d. 0x%"UVxf" (%s\"%s\" %"IVdf"-%"IVdf")\n",
- ix, PTR2UV(ppad[ix]),
+ (int)ix, PTR2UV(ppad[ix]),
SvFAKE(pname[ix]) ? "FAKE " : "",
SvPVX(pname[ix]),
(IV)I_32(SvNVX(pname[ix])),
assert(!CvUNIQUE(proto));
ENTER;
- SAVEVPTR(PL_curpad);
- SAVESPTR(PL_comppad);
+ SAVECOMPPAD();
SAVESPTR(PL_comppad_name);
SAVESPTR(PL_compcv);
gv_efullname3(name = sv_newmortal(), gv, Nullch);
sv_setpv(msg, "Prototype mismatch:");
if (name)
- Perl_sv_catpvf(aTHX_ msg, " sub %_", name);
+ Perl_sv_catpvf(aTHX_ msg, " sub %"SVf, name);
if (SvPOK(cv))
Perl_sv_catpvf(aTHX_ msg, " (%s)", SvPVX(cv));
sv_catpv(msg, " vs ");
Perl_sv_catpvf(aTHX_ msg, "(%s)", p);
else
sv_catpv(msg, "none");
- Perl_warner(aTHX_ WARN_UNSAFE, "%_", msg);
+ Perl_warner(aTHX_ WARN_UNSAFE, "%"SVf, msg);
}
}
{
dTHR;
STRLEN n_a;
- char *name = o ? SvPVx(cSVOPo->op_sv, n_a) : Nullch;
- GV *gv = gv_fetchpv(name ? name : "__ANON__",
- GV_ADDMULTI | ((block || attrs) ? 0 : GV_NOINIT),
- SVt_PVCV);
+ char *name;
+ char *aname;
+ GV *gv;
char *ps = proto ? SvPVx(((SVOP*)proto)->op_sv, n_a) : Nullch;
register CV *cv=0;
I32 ix;
+ name = o ? SvPVx(cSVOPo->op_sv, n_a) : Nullch;
+ if (!name && PERLDB_NAMEANON && CopLINE(PL_curcop)) {
+ SV *sv = sv_newmortal();
+ Perl_sv_setpvf(aTHX_ sv, "__ANON__[%s:%"IVdf"]",
+ CopFILE(PL_curcop), (IV)CopLINE(PL_curcop));
+ aname = SvPVX(sv);
+ }
+ else
+ aname = Nullch;
+ gv = gv_fetchpv(name ? name : (aname ? aname : "__ANON__"),
+ GV_ADDMULTI | ((block || attrs) ? 0 : GV_NOINIT),
+ SVt_PVCV);
+
if (o)
SAVEFREEOP(o);
if (proto)
&& !(CvGV(cv) && GvSTASH(CvGV(cv))
&& HvNAME(GvSTASH(CvGV(cv)))
&& strEQ(HvNAME(GvSTASH(CvGV(cv))),
- "autouse"))) {
+ "autouse")))
+ {
line_t oldline = CopLINE(PL_curcop);
CopLINE_set(PL_curcop, PL_copline);
Perl_warner(aTHX_ WARN_REDEFINE,
}
}
- if (name) {
+ if (name || aname) {
char *s;
+ char *tname = (name ? name : aname);
if (PERLDB_SUBLINE && PL_curstash != PL_debstash) {
SV *sv = NEWSV(0,0);
SV *tmpstr = sv_newmortal();
GV *db_postponed = gv_fetchpv("DB::postponed", GV_ADDMULTI, SVt_PVHV);
- CV *cv;
+ CV *pcv;
HV *hv;
+ char *t;
Perl_sv_setpvf(aTHX_ sv, "%s:%ld-%ld",
CopFILE(PL_curcop),
hv_store(GvHV(PL_DBsub), SvPVX(tmpstr), SvCUR(tmpstr), sv, 0);
hv = GvHVn(db_postponed);
if (HvFILL(hv) > 0 && hv_exists(hv, SvPVX(tmpstr), SvCUR(tmpstr))
- && (cv = GvCV(db_postponed))) {
+ && (pcv = GvCV(db_postponed)))
+ {
dSP;
PUSHMARK(SP);
XPUSHs(tmpstr);
PUTBACK;
- call_sv((SV*)cv, G_DISCARD);
+ call_sv((SV*)pcv, G_DISCARD);
}
}
- if ((s = strrchr(name,':')))
+ if ((s = strrchr(tname,':')))
s++;
else
- s = name;
+ s = tname;
- if (*s != 'B' && *s != 'E' && *s != 'S' && *s != 'I')
+ if (*s != 'B' && *s != 'E' && *s != 'C' && *s != 'I')
goto done;
if (strEQ(s, "BEGIN")) {
av_store(PL_endav, 0, SvREFCNT_inc(cv));
GvCV(gv) = 0;
}
- else if (strEQ(s, "STOP") && !PL_error_count) {
- if (!PL_stopav)
- PL_stopav = newAV();
+ else if (strEQ(s, "CHECK") && !PL_error_count) {
+ if (!PL_checkav)
+ PL_checkav = newAV();
DEBUG_x( dump_sub(gv) );
- av_unshift(PL_stopav, 1);
- av_store(PL_stopav, 0, SvREFCNT_inc(cv));
+ av_unshift(PL_checkav, 1);
+ av_store(PL_checkav, 0, SvREFCNT_inc(cv));
GvCV(gv) = 0;
}
else if (strEQ(s, "INIT") && !PL_error_count) {
}
/* XXX unsafe for threads if eval_owner isn't held */
+/*
+=for apidoc newCONSTSUB
+
+Creates a constant sub equivalent to Perl C<sub FOO () { 123 }> which is
+eligible for inlining at compile-time.
+
+=cut
+*/
+
void
Perl_newCONSTSUB(pTHX_ HV *stash, char *name, SV *sv)
{
LEAVE;
}
+/*
+=for apidoc U||newXS
+
+Used by C<xsubpp> to hook up XSUBs as Perl subs.
+
+=cut
+*/
+
CV *
Perl_newXS(pTHX_ char *name, XSUBADDR_t subaddr, char *filename)
{
else
s = name;
- if (*s != 'B' && *s != 'E' && *s != 'S' && *s != 'I')
+ if (*s != 'B' && *s != 'E' && *s != 'C' && *s != 'I')
goto done;
if (strEQ(s, "BEGIN")) {
av_store(PL_endav, 0, SvREFCNT_inc(cv));
GvCV(gv) = 0;
}
- else if (strEQ(s, "STOP")) {
- if (!PL_stopav)
- PL_stopav = newAV();
- av_unshift(PL_stopav, 1);
- av_store(PL_stopav, 0, SvREFCNT_inc(cv));
+ else if (strEQ(s, "CHECK")) {
+ if (!PL_checkav)
+ PL_checkav = newAV();
+ av_unshift(PL_checkav, 1);
+ av_store(PL_checkav, 0, SvREFCNT_inc(cv));
GvCV(gv) = 0;
}
else if (strEQ(s, "INIT")) {
o = ck_fun(o);
if (o->op_flags & OPf_KIDS) {
OP *kid = cUNOPo->op_first;
- if (kid->op_type == OP_AELEM)
+ if (kid->op_type == OP_ENTERSUB) {
+ (void) ref(kid, o->op_type);
+ if (kid->op_type != OP_RV2CV && !PL_error_count)
+ Perl_croak(aTHX_ "%s argument is not a subroutine name",
+ PL_op_desc[o->op_type]);
+ o->op_private |= OPpEXISTS_SUB;
+ }
+ else if (kid->op_type == OP_AELEM)
o->op_flags |= OPf_SPECIAL;
else if (kid->op_type != OP_HELEM)
Perl_croak(aTHX_ "%s argument is not a HASH or ARRAY element",
break; /* Globals via GV can be undef */
case OP_PADHV:
Perl_warner(aTHX_ WARN_DEPRECATED,
- "defined(%hash) is deprecated");
+ "defined(%%hash) is deprecated");
Perl_warner(aTHX_ WARN_DEPRECATED,
"(Maybe you should just omit the defined()?)\n");
break;
if (o->op_next->op_type == OP_RV2SV) {
if (!(o->op_next->op_private & OPpDEREF)) {
null(o->op_next);
- o->op_private |= o->op_next->op_private & OPpLVAL_INTRO;
+ o->op_private |= o->op_next->op_private & (OPpLVAL_INTRO
+ | OPpOUR_INTRO);
o->op_next = o->op_next->op_next;
o->op_type = OP_GVSV;
o->op_ppaddr = PL_ppaddr[OP_GVSV];
line_t oldline = CopLINE(PL_curcop);
CopLINE_set(PL_curcop, CopLINE((COP*)o->op_next));
- Perl_warner(aTHX_ WARN_SYNTAX, "Statement unlikely to be reached");
- Perl_warner(aTHX_ WARN_SYNTAX, "(Maybe you meant system() when you said exec()?)\n");
+ Perl_warner(aTHX_ WARN_EXEC,
+ "Statement unlikely to be reached");
+ Perl_warner(aTHX_ WARN_EXEC,
+ "(Maybe you meant system() when you said exec()?)\n");
CopLINE_set(PL_curcop, oldline);
}
}
projects / p5sagit/p5-mst-13.2.git / blobdiff