#define yylval (*PL_yylvalp)
static const char ident_too_long[] = "Identifier too long";
+static const char commaless_variable_list[] = "comma-less variable list";
static void restore_rsfp(pTHX_ void *f);
#ifndef PERL_NO_UTF16_FILTER
#define FEATURE_IS_ENABLED(name, namelen) \
((0 != (PL_hints & HINT_LOCALIZE_HH)) \
- && feature_is_enabled(name, namelen))
+ && feature_is_enabled(name, namelen) )
/*
* S_feature_is_enabled
* Check whether the named feature is enabled.
}
/*
- * depcom
- * Deprecate a comma-less variable list.
- */
-
-STATIC void
-S_depcom(pTHX)
-{
- deprecate_old("comma-less variable list");
-}
-
-/*
* experimental text filters for win32 carriage-returns, utf16-to-utf8 and
* utf16-to-utf8-reversed.
*/
/* XXX see note in pp_entereval() for why we forgo typo
warnings if the symbol must be introduced in an eval.
GSAR 96-10-12 */
- gv_fetchpv(s, PL_in_eval ? (GV_ADDMULTI | GV_ADDINEVAL) : TRUE,
+ gv_fetchpv(s, PL_in_eval ? (GV_ADDMULTI | GV_ADDINEVAL) : GV_ADD,
kind == '$' ? SVt_PV :
kind == '@' ? SVt_PVAV :
kind == '%' ? SVt_PVHV :
weight -= seen[un_char] * 10;
if (isALNUM_lazy_if(s+1,UTF)) {
scan_ident(s, send, tmpbuf, sizeof tmpbuf, FALSE);
- if ((int)strlen(tmpbuf) > 1 && gv_fetchpv(tmpbuf,FALSE, SVt_PV))
+ if ((int)strlen(tmpbuf) > 1
+ && gv_fetchpv(tmpbuf, 0, SVt_PV))
weight -= 100;
else
weight -= 10;
*/
STATIC int
-S_intuit_method(pTHX_ char *start, GV *gv)
+S_intuit_method(pTHX_ char *start, GV *gv, CV *cv)
{
char *s = start + (*start == '$');
char tmpbuf[sizeof PL_tokenbuf];
GV* indirgv;
if (gv) {
- CV *cv;
- if (GvIO(gv))
+ if (SvTYPE(gv) == SVt_PVGV && GvIO(gv))
return 0;
- if ((cv = GvCVu(gv))) {
- const char *proto = SvPVX_const(cv);
- if (proto) {
- if (*proto == ';')
- proto++;
- if (*proto == '*')
- return 0;
+ if (cv) {
+ if (SvPOK(cv)) {
+ const char *proto = SvPVX_const(cv);
+ if (proto) {
+ if (*proto == ';')
+ proto++;
+ if (*proto == '*')
+ return 0;
+ }
}
} else
gv = 0;
tmpbuf[len] = '\0';
goto bare_package;
}
- indirgv = gv_fetchpv(tmpbuf, FALSE, SVt_PVCV);
+ indirgv = gv_fetchpv(tmpbuf, 0, SVt_PVCV);
if (indirgv && GvCVu(indirgv))
return 0;
/* filehandle or package name makes it a method */
if (len > 2 &&
(pkgname[len - 2] == ':' && pkgname[len - 1] == ':') &&
- (gv = gv_fetchpv(pkgname, FALSE, SVt_PVHV)))
+ (gv = gv_fetchpv(pkgname, 0, SVt_PVHV)))
{
return GvHV(gv); /* Foo:: */
}
/* use constant CLASS => 'MyClass' */
- if ((gv = gv_fetchpv(pkgname, FALSE, SVt_PVCV))) {
+ if ((gv = gv_fetchpv(pkgname, 0, SVt_PVCV))) {
SV *sv;
if (GvCV(gv) && (sv = cv_const_sv(GvCV(gv)))) {
pkgname = SvPV_nolen_const(sv);
sv_catpv(PL_linestr,"our @F=split(' ');");
}
}
+ if (PL_minus_E)
+ sv_catpv(PL_linestr,"use feature ':5.10';");
sv_catpvn(PL_linestr, "\n", 1);
PL_oldoldbufptr = PL_oldbufptr = s = PL_linestart = SvPVX(PL_linestr);
PL_bufend = SvPVX(PL_linestr) + SvCUR(PL_linestr);
* at least, set argv[0] to the basename of the Perl
* interpreter. So, having found "#!", we'll set it right.
*/
- SV * const x = GvSV(gv_fetchpv("\030", TRUE, SVt_PV)); /* $^X */
+ SV * const x
+ = GvSV(gv_fetchpv("\030", GV_ADD, SVt_PV)); /* $^X */
assert(SvPOK(x) || SvGMAGICAL(x));
if (sv_eq(x, CopFILESV(PL_curcop))) {
sv_setpvn(x, ipath, ipathend - ipath);
case 'T': ftst = OP_FTTEXT; break;
case 'B': ftst = OP_FTBINARY; break;
case 'M': case 'A': case 'C':
- gv_fetchpv("\024",TRUE, SVt_PV);
+ gv_fetchpv("\024",GV_ADD, SVt_PV);
switch (tmp) {
case 'M': ftst = OP_FTMTIME; break;
case 'A': ftst = OP_FTATIME; break;
if (PL_expect == XOPERATOR) {
if (PL_lex_formbrack && PL_lex_brackets == PL_lex_formbrack) {
PL_expect = XTERM;
- depcom();
+ deprecate_old(commaless_variable_list);
return REPORT(','); /* grandfather non-comma-format format */
}
}
if (PL_expect == XOPERATOR) {
if (PL_lex_formbrack && PL_lex_brackets == PL_lex_formbrack) {
PL_expect = XTERM;
- depcom();
+ deprecate_old(commaless_variable_list);
return REPORT(','); /* grandfather non-comma-format format */
}
else
if (PL_expect == XOPERATOR) {
if (PL_lex_formbrack && PL_lex_brackets == PL_lex_formbrack) {
PL_expect = XTERM;
- depcom();
+ deprecate_old(commaless_variable_list);
return REPORT(','); /* grandfather non-comma-format format */
}
else
const char c = *start;
GV *gv;
*start = '\0';
- gv = gv_fetchpv(s, FALSE, SVt_PVCV);
+ gv = gv_fetchpv(s, 0, SVt_PVCV);
*start = c;
if (!gv) {
s = scan_num(s, &yylval);
GV *hgv = Nullgv; /* hidden (loser) */
if (PL_expect != XOPERATOR && (*s != ':' || s[1] != ':')) {
CV *cv;
- if ((gv = gv_fetchpv(PL_tokenbuf, FALSE, SVt_PVCV)) &&
+ if ((gv = gv_fetchpv(PL_tokenbuf, 0, SVt_PVCV)) &&
(cv = GvCVu(gv)))
{
if (GvIMPORTED_CV(gv))
{
tmp = 0; /* any sub overrides "weak" keyword */
}
- else if (gv && !gvp
- && tmp == -KEY_err
- && GvCVu(gv)
- && PL_expect != XOPERATOR
- && PL_expect != XTERMORDORDOR)
- {
- /* any sub overrides the "err" keyword, except when really an
- * operator is expected */
- tmp = 0;
- }
else { /* no override */
tmp = -tmp;
if (tmp == KEY_dump && ckWARN(WARN_MISC)) {
SV *sv;
int pkgname = 0;
const char lastchar = (PL_bufptr == PL_oldoldbufptr ? 0 : PL_bufptr[-1]);
+ CV *cv;
/* Get the rest if it looks like a package qualifier */
if (len > 2 &&
PL_tokenbuf[len - 2] == ':' && PL_tokenbuf[len - 1] == ':')
{
- if (ckWARN(WARN_BAREWORD) && ! gv_fetchpv(PL_tokenbuf, FALSE, SVt_PVHV))
+ if (ckWARN(WARN_BAREWORD)
+ && ! gv_fetchpv(PL_tokenbuf, 0, SVt_PVHV))
Perl_warner(aTHX_ packWARN(WARN_BAREWORD),
"Bareword \"%s\" refers to nonexistent package",
PL_tokenbuf);
}
else {
len = 0;
- if (!gv)
- gv = gv_fetchpv(PL_tokenbuf, FALSE, SVt_PVCV);
+ if (!gv) {
+ /* Mustn't actually add anything to a symbol table.
+ But also don't want to "initialise" any placeholder
+ constants that might already be there into full
+ blown PVGVs with attached PVCV. */
+ gv = gv_fetchpv(PL_tokenbuf, GV_NOADD_NOINIT,
+ SVt_PVCV);
+ }
}
/* if we saw a global override before, get the right name */
if (len)
goto safe_bareword;
+ /* Do the explicit type check so that we don't need to force
+ the initialisation of the symbol table to have a real GV.
+ Beware - gv may not really be a PVGV, cv may not really be
+ a PVCV, (because of the space optimisations that gv_init
+ understands) But they're true if for this symbol there is
+ respectively a typeglob and a subroutine.
+ */
+ cv = gv ? ((SvTYPE(gv) == SVt_PVGV)
+ /* Real typeglob, so get the real subroutine: */
+ ? GvCVu(gv)
+ /* A proxy for a subroutine in this package? */
+ : SvOK(gv) ? (CV *) gv : NULL)
+ : NULL;
+
/* See if it's the indirect object for a list operator. */
if (PL_oldoldbufptr &&
/* Two barewords in a row may indicate method call. */
- if ((isIDFIRST_lazy_if(s,UTF) || *s == '$') && (tmp=intuit_method(s,gv)))
+ if ((isIDFIRST_lazy_if(s,UTF) || *s == '$') &&
+ (tmp = intuit_method(s, gv, cv)))
return REPORT(tmp);
/* If not a declared subroutine, it's an indirect object. */
if (
( !immediate_paren && (PL_last_lop_op == OP_SORT ||
- ((!gv || !GvCVu(gv)) &&
+ ((!gv || !cv) &&
(PL_last_lop_op != OP_MAPSTART &&
PL_last_lop_op != OP_GREPSTART))))
|| (PL_tokenbuf[0] == '_' && PL_tokenbuf[1] == '\0'
/* If followed by a paren, it's certainly a subroutine. */
if (*s == '(') {
CLINE;
- if (gv && GvCVu(gv)) {
+ if (cv) {
for (d = s + 1; SPACE_OR_TAB(*d); d++) ;
- if (*d == ')' && (sv = cv_const_sv(GvCV(gv)))) {
+ if (*d == ')' && (sv = gv_const_sv(gv))) {
s = d + 1;
goto its_constant;
}
/* If followed by var or block, call it a method (unless sub) */
- if ((*s == '$' || *s == '{') && (!gv || !GvCVu(gv))) {
+ if ((*s == '$' || *s == '{') && (!gv || !cv)) {
PL_last_lop = PL_oldbufptr;
PL_last_lop_op = OP_METHOD;
PREBLOCK(METHOD);
if (!orig_keyword
&& (isIDFIRST_lazy_if(s,UTF) || *s == '$')
- && (tmp = intuit_method(s,gv)))
+ && (tmp = intuit_method(s, gv, cv)))
return REPORT(tmp);
/* Not a method, so call it a subroutine (if defined) */
- if (gv && GvCVu(gv)) {
- CV* cv;
+ if (cv) {
if (lastchar == '-' && ckWARN_d(WARN_AMBIGUOUS))
Perl_warner(aTHX_ packWARN(WARN_AMBIGUOUS),
"Ambiguous use of -%s resolved as -&%s()",
PL_tokenbuf, PL_tokenbuf);
/* Check for a constant sub */
- cv = GvCV(gv);
- if ((sv = cv_const_sv(cv))) {
+ if ((sv = gv_const_sv(gv))) {
its_constant:
SvREFCNT_dec(((SVOP*)yylval.opval)->op_sv);
((SVOP*)yylval.opval)->op_sv = SvREFCNT_inc(sv);
}
/* Resolve to GV now. */
+ if (SvTYPE(gv) != SVt_PVGV) {
+ gv = gv_fetchpv(PL_tokenbuf, 0, SVt_PVCV);
+ assert (SvTYPE(gv) == SVt_PVGV);
+ /* cv must have been some sort of placeholder, so
+ now needs replacing with a real code reference. */
+ cv = GvCV(gv);
+ }
+
op_free(yylval.opval);
yylval.opval = newCVREF(0, newGVOP(OP_GV, 0, gv));
yylval.opval->op_private |= OPpENTERSUB_NOPAREN;
const char *pname = "main";
if (PL_tokenbuf[2] == 'D')
pname = HvNAME_get(PL_curstash ? PL_curstash : PL_defstash);
- gv = gv_fetchpv(Perl_form(aTHX_ "%s::DATA", pname), TRUE, SVt_PVIO);
+ gv = gv_fetchpv(Perl_form(aTHX_ "%s::DATA", pname), GV_ADD,
+ SVt_PVIO);
GvMULTI_on(gv);
if (!GvIO(gv))
GvIOp(gv) = newIO();
}
case KEY_chdir:
- (void)gv_fetchpv("ENV",TRUE, SVt_PVHV); /* may use HOME */
+ (void)gv_fetchpv("ENV", GV_ADD, SVt_PVHV); /* may use HOME */
UNI(OP_CHDIR);
case KEY_close:
char ctl_l[2];
ctl_l[0] = toCTRL('L');
ctl_l[1] = '\0';
- gv_fetchpv(ctl_l,TRUE, SVt_PV);
+ gv_fetchpv(ctl_l, GV_ADD, SVt_PV);
}
#else
- gv_fetchpv("\f",TRUE, SVt_PV); /* Make sure $^L is defined */
+ gv_fetchpv("\f", GV_ADD, SVt_PV); /* Make sure $^L is defined */
#endif
UNI(OP_ENTERWRITE);
table.
*/
if (pit == '@' && PL_lex_state != LEX_NORMAL && !PL_lex_brackets) {
- GV *gv = gv_fetchpv(PL_tokenbuf+1, FALSE, SVt_PVAV);
+ GV *gv = gv_fetchpv(PL_tokenbuf+1, 0, SVt_PVAV);
if ((!gv || ((PL_tokenbuf[0] == '@') ? !GvAV(gv) : !GvHV(gv)))
&& ckWARN(WARN_AMBIGUOUS))
{
case 'r':
if (name[2] == 'r')
{ /* err */
- return -KEY_err;
+ return (FEATURE_IS_ENABLED("err", 3) ? -KEY_err : 0);
}
goto unknown;
Copy("ARGV",d,5,char);
/* Check whether readline() is overriden */
- if (((gv_readline = gv_fetchpv("readline", FALSE, SVt_PVCV))
+ if (((gv_readline = gv_fetchpv("readline", 0, SVt_PVCV))
&& GvCVu(gv_readline) && GvIMPORTED_CV(gv_readline))
||
((gvp = (GV**)hv_fetch(PL_globalstash, "readline", 8, FALSE))
/* If it's none of the above, it must be a literal filehandle
(<Foo::BAR> or <FOO>) so build a simple readline OP */
else {
- GV *gv = gv_fetchpv(d,TRUE, SVt_PVIO);
+ GV *gv = gv_fetchpv(d, GV_ADD, SVt_PVIO);
PL_lex_op = readline_overriden
? (OP*)newUNOP(OP_ENTERSUB, OPf_STACKED,
append_elem(OP_LIST,
projects / p5sagit/p5-mst-13.2.git / blobdiff