*/
bool
-Perl_validate_proto(pTHX_ SV *name, SV *proto, bool warn)
+Perl_validate_proto(pTHX_ SV *name, SV *proto, bool warn, bool curstash)
{
STRLEN len, origlen;
char *p;
origlen, UNI_DISPLAY_ISPRINT)
: pv_pretty(tmpsv, p, origlen, 60, NULL, NULL, PERL_PV_ESCAPE_NONASCII);
+ if (curstash && !memchr(SvPVX(name), ':', SvCUR(name))) {
+ SV *name2 = sv_2mortal(newSVsv(PL_curstname));
+ sv_catpvs(name2, "::");
+ sv_catsv(name2, (SV *)name);
+ name = name2;
+ }
+
if (proto_after_greedy_proto)
Perl_warner(aTHX_ packWARN(WARN_ILLEGALPROTO),
"Prototype after '%c' for %" SVf " : %s",
PERL_ARGS_ASSERT_GET_AND_CHECK_BACKSLASH_N_NAME;
if (!SvCUR(res)) {
- deprecate_fatal_in("5.28", "Unknown charname '' is deprecated");
- return res;
+ /* diag_listed_as: Unknown charname '%s' */
+ yyerror("Unknown charname ''");
+ return NULL;
}
res = new_constant( NULL, 0, "charnames", res, NULL, backslash_ptr,
}
}
if (*(s-1) == ' ') {
+ /* diag_listed_as: charnames alias definitions may not contain
+ trailing white-space; marked by <-- HERE in %s
+ */
yyerror_pv(
Perl_form(aTHX_
"charnames alias definitions may not contain trailing "
(U8 *) PL_parser->bufend,
0,
0 /* 0 means don't die */ );
+ /* diag_listed_as: Malformed UTF-8 returned by \N{%s}
+ immediately after '%s' */
yyerror_pv(
Perl_form(aTHX_
"Malformed UTF-8 returned by %.*s immediately after '%.*s'",
/* The final %.*s makes sure that should the trailing NUL be missing
* that this print won't run off the end of the string */
+ /* diag_listed_as: Invalid character in \N{...}; marked by <-- HERE
+ in \N{%s} */
yyerror_pv(
Perl_form(aTHX_
"Invalid character in \\N{...}; marked by <-- HERE in %.*s<-- HERE %.*s",
}
multi_spaces:
+ /* diag_listed_as: charnames alias definitions may not contain a
+ sequence of multiple spaces; marked by <-- HERE
+ in %s */
yyerror_pv(
Perl_form(aTHX_
"charnames alias definitions may not contain a sequence of "
/* Here, we don't think we're in a range. If the new character
* is not a hyphen; or if it is a hyphen, but it's too close to
- * either edge to indicate a range, then it's a regular
- * character. */
- if (*s != '-' || s >= send - 1 || s == start) {
+ * either edge to indicate a range, or if we haven't output any
+ * characters yet then it's a regular character. */
+ if (*s != '-' || s >= send - 1 || s == start || d == SvPVX(sv)) {
/* A regular character. Process like any other, but first
* clear any flags */
* For non-patterns, the named characters are converted to
* their string equivalents. In patterns, named characters are
* not converted to their ultimate forms for the same reasons
- * that other escapes aren't. Instead, they are converted to
- * the \N{U+...} form to get the value from the charnames that
- * is in effect right now, while preserving the fact that it
- * was a named character, so that the regex compiler knows
- * this.
+ * that other escapes aren't (mainly that the ultimate
+ * character could be considered a meta-symbol by the regex
+ * compiler). Instead, they are converted to the \N{U+...}
+ * form to get the value from the charnames that is in effect
+ * right now, while preserving the fact that it was a named
+ * character, so that the regex compiler knows this.
*
* The structure of this section of code (besides checking for
* errors and upgrading to utf8) is:
PL_parser->last_uni = buf + last_uni_pos;
if (PL_parser->last_lop)
PL_parser->last_lop = buf + last_lop_pos;
- SvLEN(linestr) = SvCUR(linestr);
- SvCUR(linestr) = s-SvPVX(linestr);
+ SvLEN_set(linestr, SvCUR(linestr));
+ SvCUR_set(linestr, s - SvPVX(linestr));
PL_parser->filtered = 1;
break;
}
PERL_ARGS_ASSERT_TOKENIZE_USE;
if (PL_expect != XSTATE)
+ /* diag_listed_as: "use" not allowed in expression */
yyerror(Perl_form(aTHX_ "\"%s\" not allowed in expression",
is_use ? "use" : "no"));
PL_expect = XTERM;
0, cBOOL(UTF), FALSE);
*dest = '\0';
assert(PL_tokenbuf[1]); /* we have a variable name */
+ }
+ else {
+ *PL_tokenbuf = 0;
+ PL_in_my = 0;
+ }
+
+ s = skipspace(s);
+ /* parse the = for the default ourselves to avoid '+=' etc being accepted here
+ * as the ASSIGNOP, and exclude other tokens that start with =
+ */
+ if (*s == '=' && (!s[1] || strchr("=~>", s[1]) == 0)) {
+ /* save now to report with the same context as we did when
+ * all ASSIGNOPS were accepted */
+ PL_oldbufptr = s;
+
+ ++s;
+ NEXTVAL_NEXTTOKE.ival = 0;
+ force_next(ASSIGNOP);
+ PL_expect = XTERM;
+ }
+ else if (*s == ',' || *s == ')') {
+ PL_expect = XOPERATOR;
+ }
+ else {
+ /* make sure the context shows the unexpected character and
+ * hopefully a bit more */
+ if (*s) ++s;
+ while (*s && *s != '$' && *s != '@' && *s != '%' && *s != ')')
+ s++;
+ PL_bufptr = s; /* for error reporting */
+ yyerror("Illegal operator following parameter in a subroutine signature");
+ PL_in_my = 0;
+ }
+ if (*PL_tokenbuf) {
NEXTVAL_NEXTTOKE.ival = sigil;
force_next('p'); /* force a signature pending identifier */
}
- else
- PL_in_my = 0;
- PL_expect = XOPERATOR;
break;
case ')':
else {
c = Perl_form(aTHX_ "\\x%02X", (unsigned char)*s);
}
- len = UTF ? Perl_utf8_length(aTHX_ (U8 *) PL_linestart, (U8 *) s) : (STRLEN) (s - PL_linestart);
- if (len > UNRECOGNIZED_PRECEDE_COUNT) {
- d = UTF ? (char *) utf8_hop_back((U8 *) s, -UNRECOGNIZED_PRECEDE_COUNT, (U8 *)PL_linestart) : s - UNRECOGNIZED_PRECEDE_COUNT;
- } else {
+
+ if (s >= PL_linestart) {
d = PL_linestart;
}
+ else {
+ /* somehow (probably due to a parse failure), PL_linestart has advanced
+ * pass PL_bufptr, get a reasonable beginning of line
+ */
+ d = s;
+ while (d > SvPVX(PL_linestr) && d[-1] && d[-1] != '\n')
+ --d;
+ }
+ len = UTF ? Perl_utf8_length(aTHX_ (U8 *) d, (U8 *) s) : (STRLEN) (s - d);
+ if (len > UNRECOGNIZED_PRECEDE_COUNT) {
+ d = UTF ? (char *) utf8_hop_back((U8 *) s, -UNRECOGNIZED_PRECEDE_COUNT, (U8 *)d) : s - UNRECOGNIZED_PRECEDE_COUNT;
+ }
+
Perl_croak(aTHX_ "Unrecognized character %s; marked by <-- HERE after %" UTF8f "<-- HERE near column %d", c,
UTF8fARG(UTF, (s - d), d),
(int) len + 1);
sv_free(sv);
CvLVALUE_on(PL_compcv);
}
- else if (!PL_in_my && len == 6 && strnEQ(SvPVX(sv), "locked", len)) {
- sv_free(sv);
- deprecate_disappears_in("5.28",
- "Attribute \"locked\" is deprecated");
- }
else if (!PL_in_my && len == 6 && strnEQ(SvPVX(sv), "method", len)) {
sv_free(sv);
CvMETHOD_on(PL_compcv);
break;
}
if (strEQs(s, "sub")) {
+ PL_bufptr = s;
d = s + 3;
d = skipspace(d);
+ s = PL_bufptr;
if (*d == ':') {
PL_expect = XTERM;
break;
orig_keyword = 0;
lex = 0;
off = 0;
+ /* FALLTHROUGH */
default: /* not a keyword */
just_a_word: {
int pkgname = 0;
COPLINE_SET_FROM_MULTI_END;
if (!s)
Perl_croak(aTHX_ "Prototype not terminated");
- (void)validate_proto(PL_subname, PL_lex_stuff, ckWARN(WARN_ILLEGALPROTO));
+ (void)validate_proto(PL_subname, PL_lex_stuff,
+ ckWARN(WARN_ILLEGALPROTO), 0);
have_proto = TRUE;
s = skipspace(s);
if (PL_in_my) {
if (PL_in_my == KEY_our) { /* "our" is merely analogous to "my" */
if (has_colon)
+ /* diag_listed_as: No package name allowed for variable %s
+ in "our" */
yyerror_pv(Perl_form(aTHX_ "No package name allowed for "
- "variable %s in \"our\"",
+ "%se %s in \"our\"",
+ *PL_tokenbuf=='&' ?"subroutin":"variabl",
PL_tokenbuf), UTF ? SVf_UTF8 : 0);
tmp = allocmy(PL_tokenbuf, tokenbuf_len, UTF ? SVf_UTF8 : 0);
}
bool skip;
char *s2;
/* If we were processing {...} notation then... */
- if (isIDFIRST_lazy_if_safe(d, e, is_utf8)) {
- /* if it starts as a valid identifier, assume that it is one.
- (the later check for } being at the expected point will trap
- cases where this doesn't pan out.) */
- d += is_utf8 ? UTF8SKIP(d) : 1;
- parse_ident(&s, &d, e, 1, is_utf8, TRUE);
- *d = '\0';
+ if (isIDFIRST_lazy_if_safe(d, e, is_utf8)
+ || (!isPRINT(*d) /* isCNTRL(d), plus all non-ASCII */
+ && isWORDCHAR(*s))
+ ) {
+ /* note we have to check for a normal identifier first,
+ * as it handles utf8 symbols, and only after that has
+ * been ruled out can we look at the caret words */
+ if (isIDFIRST_lazy_if_safe(d, e, is_utf8) ) {
+ /* if it starts as a valid identifier, assume that it is one.
+ (the later check for } being at the expected point will trap
+ cases where this doesn't pan out.) */
+ d += is_utf8 ? UTF8SKIP(d) : 1;
+ parse_ident(&s, &d, e, 1, is_utf8, TRUE);
+ *d = '\0';
+ }
+ else { /* caret word: ${^Foo} ${^CAPTURE[0]} */
+ d++;
+ while (isWORDCHAR(*s) && d < e) {
+ *d++ = *s++;
+ }
+ if (d >= e)
+ Perl_croak(aTHX_ "%s", ident_too_long);
+ *d = '\0';
+ }
tmp_copline = CopLINE(PL_curcop);
if (s < PL_bufend && isSPACE(*s)) {
s = skipspace(s);
}
if ((*s == '[' || (*s == '{' && strNE(dest, "sub")))) {
- /* ${foo[0]} and ${foo{bar}} notation. */
+ /* ${foo[0]} and ${foo{bar}} and ${^CAPTURE[0]} notation. */
if (ckWARN(WARN_AMBIGUOUS) && keyword(dest, d - dest, 0)) {
const char * const brack =
(const char *)
return s;
}
}
- /* Handle extended ${^Foo} variables
- * 1999-02-27 mjd-perl-patch@plover.com */
- else if (! isPRINT(*d) /* isCNTRL(d), plus all non-ASCII */
- && isWORDCHAR(*s))
- {
- d++;
- while (isWORDCHAR(*s) && d < e) {
- *d++ = *s++;
- }
- if (d >= e)
- Perl_croak(aTHX_ "%s", ident_too_long);
- *d = '\0';
- }
if ( !tmp_copline )
tmp_copline = CopLINE(PL_curcop);
- if ((skip = s < PL_bufend && isSPACE(*s)))
+ if ((skip = s < PL_bufend && isSPACE(*s))) {
/* Avoid incrementing line numbers or resetting PL_linestart,
in case we have to back up. */
+ STRLEN s_off = s - SvPVX(PL_linestr);
s2 = peekspace(s);
+ s = SvPVX(PL_linestr) + s_off;
+ }
else
s2 = s;
PL_multi_end = 0;
pm->op_pmflags |= PMf_EVAL;
- while (es-- > 0) {
- if (es)
- sv_catpvs(repl, "eval ");
- else
- sv_catpvs(repl, "do ");
- }
- sv_catpvs(repl, "{");
+ for (; es > 1; es--) {
+ sv_catpvs(repl, "eval ");
+ }
+ sv_catpvs(repl, "do {");
sv_catsv(repl, PL_parser->lex_sub_repl);
sv_catpvs(repl, "}");
SvREFCNT_dec(PL_parser->lex_sub_repl);
PL_parser->lex_sub_repl = repl;
- es = 1;
}
else
term = '"';
if (! isWORDCHAR_lazy_if_safe(s, PL_bufend, UTF))
- deprecate_fatal_in("5.28", "Use of bare << to mean <<\"\" is deprecated");
+ Perl_croak(aTHX_ "Use of bare << to mean <<\"\" is forbidden");
peek = s;
while (
isWORDCHAR_lazy_if_safe(peek, PL_bufend, UTF))
|| UNLIKELY(hexfp && isALPHA_FOLD_EQ(*s, 'p')))
&& strchr("+-0123456789_", s[1]))
{
- floatit = TRUE;
+ int exp_digits = 0;
+ const char *save_s = s;
+ char * save_d = d;
- /* regardless of whether user said 3E5 or 3e5, use lower 'e',
+ /* regardless of whether user said 3E5 or 3e5, use lower 'e',
ditto for p (hexfloats) */
if ((isALPHA_FOLD_EQ(*s, 'e'))) {
/* At least some Mach atof()s don't grok 'E' */
/* read digits of exponent */
while (isDIGIT(*s) || *s == '_') {
if (isDIGIT(*s)) {
+ ++exp_digits;
if (d >= e)
Perl_croak(aTHX_ "%s", number_too_long);
*d++ = *s++;
lastub = s++;
}
}
+
+ if (!exp_digits) {
+ /* no exponent digits, the [eEpP] could be for something else,
+ * though in practice we don't get here for p since that's preparsed
+ * earlier, and results in only the 0xX being consumed, so behave similarly
+ * for decimal floats and consume only the D.DD, leaving the [eE] to the
+ * next token.
+ */
+ s = save_s;
+ d = save_d;
+ }
+ else {
+ floatit = TRUE;
+ }
}
/* diag_listed_as: Unsupported script encoding %s */
Perl_croak(aTHX_ "Unsupported script encoding UTF-32LE");
#ifndef PERL_NO_UTF16_FILTER
+#ifdef DEBUGGING
if (DEBUG_p_TEST || DEBUG_T_TEST) PerlIO_printf(Perl_debug_log, "UTF-16LE script encoding (BOM)\n");
+#endif
s += 2;
if (PL_bufend > (char*)s) {
s = add_utf16_textfilter(s, TRUE);
case 0xFE:
if (s[1] == 0xFF) { /* UTF-16 big-endian? */
#ifndef PERL_NO_UTF16_FILTER
+#ifdef DEBUGGING
if (DEBUG_p_TEST || DEBUG_T_TEST) PerlIO_printf(Perl_debug_log, "UTF-16BE script encoding (BOM)\n");
+#endif
s += 2;
if (PL_bufend > (char *)s) {
s = add_utf16_textfilter(s, FALSE);
case BOM_UTF8_FIRST_BYTE: {
const STRLEN len = sizeof(BOM_UTF8_TAIL) - 1; /* Exclude trailing NUL */
if (slen > len && memEQ(s+1, BOM_UTF8_TAIL, len)) {
+#ifdef DEBUGGING
if (DEBUG_p_TEST || DEBUG_T_TEST) PerlIO_printf(Perl_debug_log, "UTF-8 script encoding (BOM)\n");
+#endif
s += len + 1; /* UTF-8 */
}
break;
* 00 xx 00 xx
* are a good indicator of UTF-16BE. */
#ifndef PERL_NO_UTF16_FILTER
+#ifdef DEBUGGING
if (DEBUG_p_TEST || DEBUG_T_TEST) PerlIO_printf(Perl_debug_log, "UTF-16BE script encoding (no BOM)\n");
+#endif
s = add_utf16_textfilter(s, FALSE);
#else
/* diag_listed_as: Unsupported script encoding %s */
* xx 00 xx 00
* are a good indicator of UTF-16LE. */
#ifndef PERL_NO_UTF16_FILTER
+#ifdef DEBUGGING
if (DEBUG_p_TEST || DEBUG_T_TEST) PerlIO_printf(Perl_debug_log, "UTF-16LE script encoding (no BOM)\n");
+#endif
s = add_utf16_textfilter(s, TRUE);
#else
/* diag_listed_as: Unsupported script encoding %s */
https://perl5.git.perl.org / perl5.git / blobdiff