{ OROP, TOKENTYPE_IVAL, "OROP" },
{ OROR, TOKENTYPE_NONE, "OROR" },
{ PACKAGE, TOKENTYPE_NONE, "PACKAGE" },
+ { PLUGEXPR, TOKENTYPE_OPVAL, "PLUGEXPR" },
+ { PLUGSTMT, TOKENTYPE_OPVAL, "PLUGSTMT" },
{ PMFUNC, TOKENTYPE_OPVAL, "PMFUNC" },
{ POSTDEC, TOKENTYPE_NONE, "POSTDEC" },
{ POSTINC, TOKENTYPE_NONE, "POSTINC" },
if (!PL_in_my || PL_lex_state != LEX_NORMAL)
break;
PL_bufptr = s; /* update in case we back off */
+ if (*s == '=') {
+ deprecate(":= for an empty attribute list");
+ }
goto grabattrs;
case XATTRBLOCK:
PL_expect = XBLOCK;
case 'z': case 'Z':
keylookup: {
+ bool anydelim;
I32 tmp;
orig_keyword = 0;
s = scan_word(s, PL_tokenbuf, sizeof PL_tokenbuf, FALSE, &len);
/* Some keywords can be followed by any delimiter, including ':' */
- tmp = ((len == 1 && strchr("msyq", PL_tokenbuf[0])) ||
+ anydelim = ((len == 1 && strchr("msyq", PL_tokenbuf[0])) ||
(len == 2 && ((PL_tokenbuf[0] == 't' && PL_tokenbuf[1] == 'r') ||
(PL_tokenbuf[0] == 'q' &&
strchr("qwxr", PL_tokenbuf[1])))));
/* x::* is just a word, unless x is "CORE" */
- if (!tmp && *s == ':' && s[1] == ':' && strNE(PL_tokenbuf, "CORE"))
+ if (!anydelim && *s == ':' && s[1] == ':' && strNE(PL_tokenbuf, "CORE"))
goto just_a_word;
d = s;
while (d < PL_bufend && isSPACE(*d))
d++; /* no comments skipped here, or s### is misparsed */
- /* Is this a label? */
- if (!tmp && PL_expect == XSTATE
- && d < PL_bufend && *d == ':' && *(d + 1) != ':') {
- tmp = keyword(PL_tokenbuf, len, 0);
- if (tmp)
- Perl_croak(aTHX_ "Can't use keyword '%s' as a label", PL_tokenbuf);
- s = d + 1;
- pl_yylval.pval = CopLABEL_alloc(PL_tokenbuf);
- CLINE;
- TOKEN(LABEL);
- }
- else
- /* Check for keywords */
- tmp = keyword(PL_tokenbuf, len, 0);
-
/* Is this a word before a => operator? */
if (*d == '=' && d[1] == '>') {
CLINE;
TERM(WORD);
}
+ /* Check for plugged-in keyword */
+ {
+ OP *o;
+ int result;
+ char *saved_bufptr = PL_bufptr;
+ PL_bufptr = s;
+ result = CALL_FPTR(PL_keyword_plugin)(aTHX_ PL_tokenbuf, len, &o);
+ s = PL_bufptr;
+ if (result == KEYWORD_PLUGIN_DECLINE) {
+ /* not a plugged-in keyword */
+ PL_bufptr = saved_bufptr;
+ } else if (result == KEYWORD_PLUGIN_STMT) {
+ pl_yylval.opval = o;
+ CLINE;
+ PL_expect = XSTATE;
+ return REPORT(PLUGSTMT);
+ } else if (result == KEYWORD_PLUGIN_EXPR) {
+ pl_yylval.opval = o;
+ CLINE;
+ PL_expect = XOPERATOR;
+ return REPORT(PLUGEXPR);
+ } else {
+ Perl_croak(aTHX_ "Bad plugin affecting keyword '%s'",
+ PL_tokenbuf);
+ }
+ }
+
+ /* Check for built-in keyword */
+ tmp = keyword(PL_tokenbuf, len, 0);
+
+ /* Is this a label? */
+ if (!anydelim && PL_expect == XSTATE
+ && d < PL_bufend && *d == ':' && *(d + 1) != ':') {
+ if (tmp)
+ Perl_croak(aTHX_ "Can't use keyword '%s' as a label", PL_tokenbuf);
+ s = d + 1;
+ pl_yylval.pval = CopLABEL_alloc(PL_tokenbuf);
+ CLINE;
+ TOKEN(LABEL);
+ }
+
if (tmp < 0) { /* second-class keyword? */
GV *ogv = NULL; /* override (winner) */
GV *hgv = NULL; /* hidden (loser) */
SV *sv;
int pkgname = 0;
const char lastchar = (PL_bufptr == PL_oldoldbufptr ? 0 : PL_bufptr[-1]);
+ OP *rv2cv_op;
CV *cv;
#ifdef PERL_MAD
SV *nextPL_nextwhite = 0;
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) ? MUTABLE_CV(gv) : NULL)
- : NULL;
+ cv = NULL;
+ {
+ OP *const_op = newSVOP(OP_CONST, 0, SvREFCNT_inc(sv));
+ const_op->op_private = OPpCONST_BARE;
+ rv2cv_op = newCVREF(0, const_op);
+ }
+ if (rv2cv_op->op_type == OP_RV2CV &&
+ (rv2cv_op->op_flags & OPf_KIDS)) {
+ OP *rv_op = cUNOPx(rv2cv_op)->op_first;
+ switch (rv_op->op_type) {
+ case OP_CONST: {
+ SV *sv = cSVOPx_sv(rv_op);
+ if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVCV)
+ cv = (CV*)SvRV(sv);
+ } break;
+ case OP_GV: {
+ GV *gv = cGVOPx_gv(rv_op);
+ CV *maybe_cv = GvCVu(gv);
+ if (maybe_cv && SvTYPE((SV*)maybe_cv) == SVt_PVCV)
+ cv = maybe_cv;
+ } break;
+ }
+ }
/* See if it's the indirect object for a list operator. */
/* Two barewords in a row may indicate method call. */
if ((isIDFIRST_lazy_if(s,UTF) || *s == '$') &&
- (tmp = intuit_method(s, gv, cv)))
+ (tmp = intuit_method(s, gv, cv))) {
+ op_free(rv2cv_op);
return REPORT(tmp);
+ }
/* If not a declared subroutine, it's an indirect object. */
/* (But it's an indir obj regardless for sort.) */
if (
( !immediate_paren && (PL_last_lop_op == OP_SORT ||
- ((!gv || !cv) &&
+ (!cv &&
(PL_last_lop_op != OP_MAPSTART &&
PL_last_lop_op != OP_GREPSTART))))
|| (PL_tokenbuf[0] == '_' && PL_tokenbuf[1] == '\0'
/* Is this a word before a => operator? */
if (*s == '=' && s[1] == '>' && !pkgname) {
+ op_free(rv2cv_op);
CLINE;
sv_setpv(((SVOP*)pl_yylval.opval)->op_sv, PL_tokenbuf);
if (UTF && !IN_BYTES && is_utf8_string((U8*)PL_tokenbuf, len))
d = s + 1;
while (SPACE_OR_TAB(*d))
d++;
- if (*d == ')' && (sv = gv_const_sv(gv))) {
+ if (*d == ')' && (sv = cv_const_sv(cv))) {
s = d + 1;
goto its_constant;
}
PL_thistoken = newSVpvs("");
}
#endif
+ op_free(rv2cv_op);
force_next(WORD);
pl_yylval.ival = 0;
TOKEN('&');
/* If followed by var or block, call it a method (unless sub) */
- if ((*s == '$' || *s == '{') && (!gv || !cv)) {
+ if ((*s == '$' || *s == '{') && !cv) {
+ op_free(rv2cv_op);
PL_last_lop = PL_oldbufptr;
PL_last_lop_op = OP_METHOD;
PREBLOCK(METHOD);
if (!orig_keyword
&& (isIDFIRST_lazy_if(s,UTF) || *s == '$')
- && (tmp = intuit_method(s, gv, cv)))
+ && (tmp = intuit_method(s, gv, cv))) {
+ op_free(rv2cv_op);
return REPORT(tmp);
+ }
/* Not a method, so call it a subroutine (if defined) */
"Ambiguous use of -%s resolved as -&%s()",
PL_tokenbuf, PL_tokenbuf);
/* Check for a constant sub */
- if ((sv = gv_const_sv(gv))) {
+ if ((sv = cv_const_sv(cv))) {
its_constant:
+ op_free(rv2cv_op);
SvREFCNT_dec(((SVOP*)pl_yylval.opval)->op_sv);
((SVOP*)pl_yylval.opval)->op_sv = SvREFCNT_inc_simple(sv);
pl_yylval.opval->op_private = 0;
TOKEN(WORD);
}
- /* 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(pl_yylval.opval);
- pl_yylval.opval = newCVREF(0, newGVOP(OP_GV, 0, gv));
+ pl_yylval.opval = rv2cv_op;
pl_yylval.opval->op_private |= OPpENTERSUB_NOPAREN;
PL_last_lop = PL_oldbufptr;
PL_last_lop_op = OP_ENTERSUB;
if (probable_sub) {
gv = gv_fetchpv(PL_tokenbuf, GV_ADD, SVt_PVCV);
op_free(pl_yylval.opval);
- pl_yylval.opval = newCVREF(0, newGVOP(OP_GV, 0, gv));
+ pl_yylval.opval = rv2cv_op;
pl_yylval.opval->op_private |= OPpENTERSUB_NOPAREN;
PL_last_lop = PL_oldbufptr;
PL_last_lop_op = OP_ENTERSUB;
}
}
}
+ op_free(rv2cv_op);
safe_bareword:
if ((lastchar == '*' || lastchar == '%' || lastchar == '&')) {
yyerror(Perl_form(aTHX_ "No package name allowed for "
"variable %s in \"our\"",
PL_tokenbuf));
- tmp = allocmy(PL_tokenbuf);
+ tmp = allocmy(PL_tokenbuf, tokenbuf_len, 0);
}
else {
if (has_colon)
PL_in_my == KEY_my ? "my" : "state", PL_tokenbuf));
pl_yylval.opval = newOP(OP_PADANY, 0);
- pl_yylval.opval->op_targ = allocmy(PL_tokenbuf);
+ pl_yylval.opval->op_targ = allocmy(PL_tokenbuf, tokenbuf_len, 0);
return PRIVATEREF;
}
}
if (!has_colon) {
if (!PL_in_my)
- tmp = pad_findmy(PL_tokenbuf);
+ tmp = pad_findmy(PL_tokenbuf, tokenbuf_len, 0);
if (tmp != NOT_IN_PAD) {
/* might be an "our" variable" */
if (PAD_COMPNAME_FLAGS_isOUR(tmp)) {
/* try to find it in the pad for this block, otherwise find
add symbol table ops
*/
- const PADOFFSET tmp = pad_findmy(d);
+ const PADOFFSET tmp = pad_findmy(d, len, 0);
if (tmp != NOT_IN_PAD) {
if (PAD_COMPNAME_FLAGS_isOUR(tmp)) {
HV * const stash = PAD_COMPNAME_OURSTASH(tmp);
SV *const utf16_buffer = MUTABLE_SV(IoTOP_GV(filter));
SV *const utf8_buffer = filter;
IV status = IoPAGE(filter);
- const bool reverse = IoLINES(filter);
+ const bool reverse = (bool) IoLINES(filter);
+ I32 retval;
/* As we're automatically added, at the lowest level, and hence only called
from this file, we can be sure that we're not called in block mode. Hence
nl = SvEND(utf8_buffer);
}
if (nl) {
- sv_catpvn(sv, SvPVX(utf8_buffer), nl - SvPVX(utf8_buffer));
+ STRLEN got = nl - SvPVX(utf8_buffer);
+ /* Did we have anything to append? */
+ retval = got != 0;
+ sv_catpvn(sv, SvPVX(utf8_buffer), got);
/* Everything else in this code works just fine if SVp_POK isn't
set. This, however, needs it, and we need it to work, else
we loop infinitely because the buffer is never consumed. */
status,
(UV)SvCUR(utf16_buffer), (UV)SvCUR(utf8_buffer)));
DEBUG_P({ sv_dump(utf8_buffer); sv_dump(sv);});
- return SvCUR(sv);
+ return retval;
}
static U8 *
return (char *)s;
}
+int
+Perl_keyword_plugin_standard(pTHX_
+ char *keyword_ptr, STRLEN keyword_len, OP **op_ptr)
+{
+ PERL_ARGS_ASSERT_KEYWORD_PLUGIN_STANDARD;
+ PERL_UNUSED_CONTEXT;
+ PERL_UNUSED_ARG(keyword_ptr);
+ PERL_UNUSED_ARG(keyword_len);
+ PERL_UNUSED_ARG(op_ptr);
+ return KEYWORD_PLUGIN_DECLINE;
+}
+
/*
* Local variables:
* c-indentation-style: bsd
projects / p5sagit/p5-mst-13.2.git / blobdiff