}
static void
-restore_expect(e)
-void *e;
+restore_expect(void *e)
{
/* a safe way to store a small integer in a pointer */
expect = (expectation)((char *)e - tokenbuf);
}
static void
-restore_lex_expect(e)
-void *e;
+restore_lex_expect(void *e)
{
/* a safe way to store a small integer in a pointer */
lex_expect = (expectation)((char *)e - tokenbuf);
/* 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, in_eval ? GV_ADDMULTI : TRUE,
+ gv_fetchpv(s, in_eval ? (GV_ADDMULTI | 8) : TRUE,
kind == '$' ? SVt_PV :
kind == '@' ? SVt_PVAV :
kind == '%' ? SVt_PVHV :
processing a pattern (lex_inpat is true), a transliteration
(lex_inwhat & OP_TRANS is true), or a double-quoted string.
+ Returns a pointer to the character scanned up to. Iff this is
+ advanced from the start pointer supplied (ie if anything was
+ successfully parsed), will leave an OP for the substring scanned
+ in yylval. Caller must intuit reason for not parsing further
+ by looking at the next characters herself.
+
In patterns:
backslashes:
double-quoted style: \r and \n
bool dorange = FALSE; /* are we in a translit range? */
I32 len; /* ? */
- /*
- leave is the set of acceptably-backslashed characters.
-
- I do *not* understand why there's the double hook here.
- */
+ /* leaveit is the set of acceptably-backslashed characters */
char *leaveit =
lex_inpat
? "\\.^$@AGZdDwWsSbB+*?|()-nrtfeaxc0123456789[{]} \t\n\r\f\v#"
- : (lex_inwhat & OP_TRANS)
- ? ""
- : "";
+ : "";
while (s < send || dorange) {
/* get transliterations out of the way (they're most literal) */
Renew(SvPVX(sv), SvLEN(sv), char);
}
- /* ??? */
+ /* return the substring (via yylval) only if we parsed anything */
if (s > bufptr)
yylval.opval = (OP*)newSVOP(OP_CONST, 0, sv);
else
return *s == '(' ? FUNCMETH : METHOD;
}
if (!keyword(tmpbuf, len)) {
- indirgv = gv_fetchpv(tmpbuf,FALSE, SVt_PVCV);
+ if (len > 2 && tmpbuf[len - 2] == ':' && tmpbuf[len - 1] == ':') {
+ len -= 2;
+ tmpbuf[len] = '\0';
+ goto bare_package;
+ }
+ indirgv = gv_fetchpv(tmpbuf, FALSE, SVt_PVCV);
if (indirgv && GvCVu(indirgv))
return 0;
/* filehandle or package name makes it a method */
s = skipspace(s);
if ((bufend - s) >= 2 && *s == '=' && *(s+1) == '>')
return 0; /* no assumptions -- "=>" quotes bearword */
- nextval[nexttoke].opval =
- (OP*)newSVOP(OP_CONST, 0,
- newSVpv(tmpbuf,0));
- nextval[nexttoke].opval->op_private =
- OPpCONST_BARE;
+ bare_package:
+ nextval[nexttoke].opval = (OP*)newSVOP(OP_CONST, 0,
+ newSVpv(tmpbuf,0));
+ nextval[nexttoke].opval->op_private = OPpCONST_BARE;
expect = XTERM;
force_next(WORD);
bufptr = s;
/* build ops for a bareword */
yylval.opval = (OP*)newSVOP(OP_CONST, 0, newSVpv(tokenbuf+1, 0));
yylval.opval->op_private = OPpCONST_ENTERED;
- gv_fetchpv(tokenbuf+1, in_eval ? GV_ADDMULTI : TRUE,
+ gv_fetchpv(tokenbuf+1, in_eval ? (GV_ADDMULTI | 8) : TRUE,
((tokenbuf[0] == '$') ? SVt_PV
: (tokenbuf[0] == '@') ? SVt_PVAV
: SVt_PVHV));
/* Get the rest if it looks like a package qualifier */
if (*s == '\'' || *s == ':' && s[1] == ':') {
+ STRLEN morelen;
s = scan_word(s, tokenbuf + len, sizeof tokenbuf - len,
- TRUE, &len);
- if (!len)
- croak("Bad name after %s::", tokenbuf);
+ TRUE, &morelen);
+ if (!morelen)
+ croak("Bad name after %s%s", tokenbuf,
+ *s == '\'' ? "'" : "::");
+ len += morelen;
}
if (expect == XOPERATOR) {
no_op("Bareword",s);
}
- /* Look for a subroutine with this name in current package. */
+ /* Look for a subroutine with this name in current package,
+ unless name is "Foo::", in which case Foo is a bearword
+ (and a package name). */
+
+ if (len > 2 &&
+ tokenbuf[len - 2] == ':' && tokenbuf[len - 1] == ':')
+ {
+ if (dowarn && ! gv_fetchpv(tokenbuf, FALSE, SVt_PVHV))
+ warn("Bareword \"%s\" refers to nonexistent package",
+ tokenbuf);
+ len -= 2;
+ tokenbuf[len] = '\0';
+ gv = Nullgv;
+ gvp = 0;
+ }
+ else {
+ len = 0;
+ if (!gv)
+ gv = gv_fetchpv(tokenbuf, FALSE, SVt_PVCV);
+ }
+
+ /* if we saw a global override before, get the right name */
if (gvp) {
sv = newSVpv("CORE::GLOBAL::",14);
}
else
sv = newSVpv(tokenbuf,0);
- if (!gv)
- gv = gv_fetchpv(tokenbuf,FALSE, SVt_PVCV);
/* Presume this is going to be a bareword of some sort. */
yylval.opval = (OP*)newSVOP(OP_CONST, 0, sv);
yylval.opval->op_private = OPpCONST_BARE;
+ /* And if "Foo::", then that's what it certainly is. */
+
+ if (len)
+ goto safe_bareword;
+
/* See if it's the indirect object for a list operator. */
if (oldoldbufptr &&
warn(warn_reserved, tokenbuf);
}
}
+
+ safe_bareword:
if (lastchar && strchr("*%&", lastchar)) {
warn("Operator or semicolon missing before %c%s",
lastchar, tokenbuf);
*d++ = ':';
s++;
}
- else if (*s == ':' && s[1] == ':' && allow_package && isIDFIRST(s[2])) {
+ else if (*s == ':' && s[1] == ':' && allow_package && s[2] != '$') {
*d++ = *s++;
*d++ = *s++;
}
*pmfl |= PMf_MULTILINE;
else if (ch == 's')
*pmfl |= PMf_SINGLELINE;
+ else if (ch == 't')
+ *pmfl |= PMf_TAINTMEM;
else if (ch == 'x')
*pmfl |= PMf_EXTENDED;
}
pm = (PMOP*)newPMOP(OP_MATCH, 0);
if (multi_open == '?')
pm->op_pmflags |= PMf_ONCE;
- while (*s && strchr("iogcmsx", *s))
+ while (*s && strchr("iogcmstx", *s))
pmflag(&pm->op_pmflags,*s++);
pm->op_pmpermflags = pm->op_pmflags;
multi_start = first_start; /* so whole substitution is taken together */
pm = (PMOP*)newPMOP(OP_SUBST, 0);
- while (*s && strchr("iogcmsex", *s)) {
+ while (*s) {
if (*s == 'e') {
s++;
es++;
}
- else
+ else if (strchr("iogcmstx", *s))
pmflag(&pm->op_pmflags,*s++);
+ else
+ break;
}
if (es) {
if (lex_stuff)
SvREFCNT_dec(lex_stuff);
lex_stuff = Nullsv;
- croak("Translation pattern not terminated");
+ croak("Transliteration pattern not terminated");
}
if (s[-1] == multi_open)
s--;
if (lex_repl)
SvREFCNT_dec(lex_repl);
lex_repl = Nullsv;
- croak("Translation replacement not terminated");
+ croak("Transliteration replacement not terminated");
}
New(803,tbl,256,short);
projects / p5sagit/p5-mst-13.2.git / blobdiff