void
Perl_parser_free(pTHX_ const yy_parser *parser)
{
-#ifdef PERL_MAD
- I32 nexttoke = parser->lasttoke;
-#else
- I32 nexttoke = parser->nexttoke;
-#endif
-
PERL_ARGS_ASSERT_PARSER_FREE;
PL_curcop = parser->saved_curcop;
SvREFCNT_dec(parser->rsfp_filters);
SvREFCNT_dec(parser->lex_stuff);
SvREFCNT_dec(parser->sublex_info.repl);
+
+ Safefree(parser->lex_brackstack);
+ Safefree(parser->lex_casestack);
+ Safefree(parser->lex_shared);
+ PL_parser = parser->old_parser;
+ Safefree(parser);
+}
+
+void
+Perl_parser_free_nexttoke_ops(pTHX_ yy_parser *parser, OPSLAB *slab)
+{
+#ifdef PERL_MAD
+ I32 nexttoke = parser->lasttoke;
+#else
+ I32 nexttoke = parser->nexttoke;
+#endif
+ PERL_ARGS_ASSERT_PARSER_FREE_NEXTTOKE_OPS;
while (nexttoke--) {
#ifdef PERL_MAD
if (S_is_opval_token(parser->nexttoke[nexttoke].next_type
- & 0xffff))
- op_free(parser->nexttoke[nexttoke].next_val.opval);
+ & 0xffff)
+ && parser->nexttoke[nexttoke].next_val.opval
+ && parser->nexttoke[nexttoke].next_val.opval->op_slabbed
+ && OpSLAB(parser->nexttoke[nexttoke].next_val.opval) == slab) {
+ op_free(parser->nexttoke[nexttoke].next_val.opval);
+ parser->nexttoke[nexttoke].next_val.opval = NULL;
+ }
#else
- if (S_is_opval_token(parser->nexttype[nexttoke] & 0xffff))
+ if (S_is_opval_token(parser->nexttype[nexttoke] & 0xffff)
+ && parser->nextval[nexttoke].opval
+ && parser->nextval[nexttoke].opval->op_slabbed
+ && OpSLAB(parser->nextval[nexttoke].opval) == slab) {
op_free(parser->nextval[nexttoke].opval);
+ parser->nextval[nexttoke].opval = NULL;
+ }
#endif
}
-
- Safefree(parser->lex_brackstack);
- Safefree(parser->lex_casestack);
- Safefree(parser->lex_shared);
- PL_parser = parser->old_parser;
- Safefree(parser);
}
/* skip space before PL_thistoken */
STATIC char *
-S_skipspace0(pTHX_ register char *s)
+S_skipspace0(pTHX_ char *s)
{
PERL_ARGS_ASSERT_SKIPSPACE0;
/* skip space after PL_thistoken */
STATIC char *
-S_skipspace1(pTHX_ register char *s)
+S_skipspace1(pTHX_ char *s)
{
const char *start = s;
I32 startoff = start - SvPVX(PL_linestr);
}
STATIC char *
-S_skipspace2(pTHX_ register char *s, SV **svp)
+S_skipspace2(pTHX_ char *s, SV **svp)
{
char *start;
const I32 bufptroff = PL_bufptr - SvPVX(PL_linestr);
*/
STATIC char *
-S_skipspace(pTHX_ register char *s)
+S_skipspace(pTHX_ char *s)
{
#ifdef PERL_MAD
char *start = s;
tokereport(type, &NEXTVAL_NEXTTOKE);
}
#endif
- /* Don’t let opslab_force_free snatch it */
- if (S_is_opval_token(type & 0xffff) && NEXTVAL_NEXTTOKE.opval) {
- assert(!NEXTVAL_NEXTTOKE.opval->op_savefree);
- NEXTVAL_NEXTTOKE.opval->op_savefree = 1;
- }
#ifdef PERL_MAD
if (PL_curforce < 0)
start_force(PL_lasttoke);
*/
STATIC char *
-S_force_word(pTHX_ register char *start, int token, int check_keyword, int allow_pack, int allow_initial_tick)
+S_force_word(pTHX_ char *start, int token, int check_keyword, int allow_pack, int allow_initial_tick)
{
dVAR;
char *s;
*/
STATIC void
-S_force_ident(pTHX_ register const char *s, int kind)
+S_force_ident(pTHX_ const char *s, int kind)
{
dVAR;
PERL_ARGS_ASSERT_FORCE_IDENT;
- if (*s) {
- const STRLEN len = strlen(s);
+ if (s[0]) {
+ const STRLEN len = s[1] ? strlen(s) : 1; /* s = "\"" see yylex */
OP* const o = (OP*)newSVOP(OP_CONST, 0, newSVpvn_flags(s, len,
UTF ? SVf_UTF8 : 0));
start_force(PL_curforce);
this_utf8 = PL_sublex_info.sub_op->op_private & (PL_lex_repl ? OPpTRANS_FROM_UTF : OPpTRANS_TO_UTF);
}
+ /* Protect sv from errors and fatal warnings. */
+ ENTER_with_name("scan_const");
+ SAVEFREESV(sv);
while (s < send || dorange) {
#ifdef EBCDIC
&& !native_range
#endif
- ) {
+ ) {
char * const c = (char*)utf8_hop((U8*)d, -1);
char *e = d++;
while (e-- > c)
#endif
if (min > max) {
- SvREFCNT_dec(sv);
Perl_croak(aTHX_
"Invalid range \"%c-%c\" in transliteration operator",
(char)min, (char)max);
/* range begins (ignore - as first or last char) */
else if (*s == '-' && s+1 < send && s != start) {
if (didrange) {
- SvREFCNT_dec(sv);
Perl_croak(aTHX_ "Ambiguous range in transliteration operator");
}
if (has_utf8
dot with a right brace */
}
else {
- STRLEN char_length; /* cur char's byte length */
- STRLEN output_length; /* and the number of bytes
- after this is translated
- into hex digits */
- /* 2 hex per byte; 2 chars for '\N'; 2 chars for
- * max('U+', '.'); and 1 for NUL */
- char hex_string[2 * UTF8_MAXBYTES + 5];
-
- /* Get the first character of the result. */
- U32 uv = utf8n_to_uvuni((U8 *) str,
- len,
- &char_length,
- UTF8_ALLOW_ANYUV);
- /* Convert first code point to hex, including the
- * boiler plate before it. For all these, we
- * convert to native format so that downstream code
- * can continue to assume the input is native */
- output_length =
- my_snprintf(hex_string, sizeof(hex_string),
- "\\N{U+%X",
- (unsigned int) UNI_TO_NATIVE(uv));
-
- /* Make sure there is enough space to hold it */
- d = off + SvGROW(sv, off
- + output_length
- + (STRLEN)(send - e)
- + 2); /* '}' + NUL */
- /* And output it */
- Copy(hex_string, d, output_length, char);
- d += output_length;
-
- /* For each subsequent character, append dot and
- * its ordinal in hex */
- while ((str += char_length) < str_end) {
- const STRLEN off = d - SvPVX_const(sv);
- U32 uv = utf8n_to_uvuni((U8 *) str,
- str_end - str,
- &char_length,
- UTF8_ALLOW_ANYUV);
- output_length =
- my_snprintf(hex_string, sizeof(hex_string),
- ".%X",
- (unsigned int) UNI_TO_NATIVE(uv));
-
- d = off + SvGROW(sv, off
- + output_length
- + (STRLEN)(send - e)
- + 2); /* '}' + NUL */
- Copy(hex_string, d, output_length, char);
- d += output_length;
- }
+ STRLEN char_length; /* cur char's byte length */
+
+ /* and the number of bytes after this is
+ * translated into hex digits */
+ STRLEN output_length;
+
+ /* 2 hex per byte; 2 chars for '\N'; 2 chars
+ * for max('U+', '.'); and 1 for NUL */
+ char hex_string[2 * UTF8_MAXBYTES + 5];
+
+ /* Get the first character of the result. */
+ U32 uv = utf8n_to_uvuni((U8 *) str,
+ len,
+ &char_length,
+ UTF8_ALLOW_ANYUV);
+ /* Convert first code point to hex, including
+ * the boiler plate before it. For all these,
+ * we convert to native format so that
+ * downstream code can continue to assume the
+ * input is native */
+ output_length =
+ my_snprintf(hex_string, sizeof(hex_string),
+ "\\N{U+%X",
+ (unsigned int) UNI_TO_NATIVE(uv));
+
+ /* Make sure there is enough space to hold it */
+ d = off + SvGROW(sv, off
+ + output_length
+ + (STRLEN)(send - e)
+ + 2); /* '}' + NUL */
+ /* And output it */
+ Copy(hex_string, d, output_length, char);
+ d += output_length;
+
+ /* For each subsequent character, append dot and
+ * its ordinal in hex */
+ while ((str += char_length) < str_end) {
+ const STRLEN off = d - SvPVX_const(sv);
+ U32 uv = utf8n_to_uvuni((U8 *) str,
+ str_end - str,
+ &char_length,
+ UTF8_ALLOW_ANYUV);
+ output_length =
+ my_snprintf(hex_string,
+ sizeof(hex_string),
+ ".%X",
+ (unsigned int) UNI_TO_NATIVE(uv));
+
+ d = off + SvGROW(sv, off
+ + output_length
+ + (STRLEN)(send - e)
+ + 2); /* '}' + NUL */
+ Copy(hex_string, d, output_length, char);
+ d += output_length;
+ }
}
*d++ = '}'; /* Done. Add the trailing brace */
/* return the substring (via pl_yylval) only if we parsed anything */
if (s > PL_bufptr) {
+ SvREFCNT_inc_simple_void_NN(sv);
if ( PL_hints & ( PL_lex_inpat ? HINT_NEW_RE : HINT_NEW_STRING ) ) {
const char *const key = PL_lex_inpat ? "qr" : "q";
const STRLEN keylen = PL_lex_inpat ? 2 : 1;
type, typelen);
}
pl_yylval.opval = (OP*)newSVOP(OP_CONST, 0, sv);
- } else
- SvREFCNT_dec(sv);
+ }
+ LEAVE_with_name("scan_const");
return s;
}
/* This is the one truly awful dwimmer necessary to conflate C and sed. */
STATIC int
-S_intuit_more(pTHX_ register char *s)
+S_intuit_more(pTHX_ char *s)
{
dVAR;
}
STATIC char *
-S_filter_gets(pTHX_ register SV *sv, STRLEN append)
+S_filter_gets(pTHX_ SV *sv, STRLEN append)
{
dVAR;
PL_lex_allbrackets--;
next_type &= 0xffff;
}
- if (S_is_opval_token(next_type) && pl_yylval.opval)
- pl_yylval.opval->op_savefree = 0; /* release */
return REPORT(next_type == 'p' ? pending_ident() : next_type);
}
#ifdef PERL_MAD
while (PL_bufptr != PL_bufend &&
PL_bufptr[0] == '\\' && PL_bufptr[1] == 'E') {
- if (!PL_thiswhite)
+ if (PL_madskills) {
+ if (!PL_thiswhite)
PL_thiswhite = newSVpvs("");
- sv_catpvn(PL_thiswhite, PL_bufptr, 2);
+ sv_catpvn(PL_thiswhite, PL_bufptr, 2);
+ }
PL_bufptr += 2;
}
#else
s = PL_bufptr + 1;
if (s[1] == '\\' && s[2] == 'E') {
#ifdef PERL_MAD
- if (!PL_thiswhite)
+ if (PL_madskills) {
+ if (!PL_thiswhite)
PL_thiswhite = newSVpvs("");
- sv_catpvn(PL_thiswhite, PL_bufptr, 4);
+ sv_catpvn(PL_thiswhite, PL_bufptr, 4);
+ }
#endif
PL_bufptr = s + 3;
PL_lex_state = LEX_INTERPCONCAT;
case ' ': case '\t': case '\f': case 013:
#ifdef PERL_MAD
PL_realtokenstart = -1;
- if (!PL_thiswhite)
+ if (PL_madskills) {
+ if (!PL_thiswhite)
PL_thiswhite = newSVpvs("");
- sv_catpvn(PL_thiswhite, s, 1);
+ sv_catpvn(PL_thiswhite, s, 1);
+ }
#endif
s++;
goto retry;
force_next(formbrack ? '.' : '}');
if (formbrack) LEAVE;
#ifdef PERL_MAD
- if (!PL_thistoken)
+ if (PL_madskills && !PL_thistoken)
PL_thistoken = newSVpvs("");
#endif
if (formbrack == 2) { /* means . where arguments were expected */
"Experimental \"%s\" subs not enabled",
tmp == KEY_my ? "my" :
tmp == KEY_state ? "state" : "our");
+ Perl_ck_warner_d(aTHX_
+ packWARN(WARN_EXPERIMENTAL__LEXICAL_SUBS),
+ "The lexical_subs feature is experimental");
goto really_sub;
}
PL_in_my_stash = find_in_my_stash(PL_tokenbuf, len);
SV *tmpwhite = 0;
char *tstart = SvPVX(PL_linestr) + PL_realtokenstart;
- SV *subtoken = newSVpvn_flags(tstart, s - tstart, SvUTF8(PL_linestr));
+ SV *subtoken = PL_madskills
+ ? newSVpvn_flags(tstart, s - tstart, SvUTF8(PL_linestr))
+ : NULL;
PL_thistoken = 0;
d = s;
dVAR; dSP;
HV * table = GvHV(PL_hintgv); /* ^H */
SV *res;
+ SV *errsv = NULL;
SV **cvp;
SV *cv, *typesv;
const char *why1 = "", *why2 = "", *why3 = "";
SPAGAIN ;
/* Check the eval first */
- if (!PL_in_eval && SvTRUE(ERRSV)) {
+ if (!PL_in_eval && ((errsv = ERRSV), SvTRUE_NN(errsv))) {
STRLEN errlen;
const char * errstr;
- sv_catpvs(ERRSV, "Propagated");
- errstr = SvPV_const(ERRSV, errlen);
+ sv_catpvs(errsv, "Propagated");
+ errstr = SvPV_const(errsv, errlen);
yyerror_pvn(errstr, errlen, 0); /* Duplicates the message inside eval */
(void)POPs;
res = SvREFCNT_inc_simple(sv);
*slp
*/
STATIC char *
-S_scan_word(pTHX_ register char *s, char *dest, STRLEN destlen, int allow_package, STRLEN *slp)
+S_scan_word(pTHX_ char *s, char *dest, STRLEN destlen, int allow_package, STRLEN *slp)
{
dVAR;
char *d = dest;
}
STATIC char *
-S_scan_ident(pTHX_ register char *s, register const char *send, char *dest, STRLEN destlen, I32 ck_uni)
+S_scan_ident(pTHX_ char *s, const char *send, char *dest, STRLEN destlen, I32 ck_uni)
{
dVAR;
char *bracket = NULL;
*/
STATIC char *
-S_scan_heredoc(pTHX_ register char *s)
+S_scan_heredoc(pTHX_ char *s)
{
dVAR;
I32 op_type = OP_SCALAR;
s += termlen;
#ifdef PERL_MAD
tstart = SvPVX(PL_linestr) + stuffstart;
- if (!PL_thisopen && !keep_delims) {
+ if (PL_madskills && !PL_thisopen && !keep_delims) {
PL_thisopen = newSVpvn(tstart, s - tstart);
stuffstart = s - SvPVX(PL_linestr);
}
}
STATIC char *
-S_scan_formline(pTHX_ register char *s)
+S_scan_formline(pTHX_ char *s)
{
dVAR;
char *eol;
else
qerror(msg);
if (PL_error_count >= 10) {
- if (PL_in_eval && SvCUR(ERRSV))
+ SV * errsv;
+ if (PL_in_eval && ((errsv = ERRSV), SvCUR(errsv)))
Perl_croak(aTHX_ "%"SVf"%s has too many errors.\n",
- SVfARG(ERRSV), OutCopFILE(PL_curcop));
+ SVfARG(errsv), OutCopFILE(PL_curcop));
else
Perl_croak(aTHX_ "%s has too many errors.\n",
OutCopFILE(PL_curcop));
https://perl5.git.perl.org / perl5.git / blobdiff