X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=toke.c;h=7cd0983666e411689555d1927c2dc2b345871b19;hb=982fc719374415b1b4c9862990e9bac27b36a617;hp=3046bb535c2836ae7dae31018005726846e560f2;hpb=420cdfc116ef70c5fc76ac6f0fd68df66919fd46;p=p5sagit%2Fp5-mst-13.2.git diff --git a/toke.c b/toke.c index 3046bb5..7cd0983 100644 --- a/toke.c +++ b/toke.c @@ -1,6 +1,6 @@ /* toke.c * - * Copyright (c) 1991-2001, Larry Wall + * Copyright (c) 1991-2002, Larry Wall * * You may distribute under the terms of either the GNU General Public * License or the Artistic License, as specified in the README file. @@ -26,6 +26,8 @@ #define yylval PL_yylval static char ident_too_long[] = "Identifier too long"; +static char c_without_g[] = "Use of /c modifier is meaningless without /g"; +static char c_in_subst[] = "Use of /c modifier is meaningless in s///"; static void restore_rsfp(pTHX_ void *f); #ifndef PERL_NO_UTF16_FILTER @@ -39,11 +41,7 @@ static I32 utf16rev_textfilter(pTHX_ int idx, SV *sv, int maxlen); #ifdef USE_UTF8_SCRIPTS # define UTF (!IN_BYTES) #else -# ifdef EBCDIC /* For now 'use utf8' does not affect tokenizer on EBCDIC */ -# define UTF (PL_linestr && DO_UTF8(PL_linestr)) -# else -# define UTF ((PL_linestr && DO_UTF8(PL_linestr)) || (PL_hints & HINT_UTF8)) -# endif +# define UTF ((PL_linestr && DO_UTF8(PL_linestr)) || (PL_hints & HINT_UTF8)) #endif /* In variables named $^X, these are the legal values for X. @@ -300,7 +298,7 @@ S_missingterm(pTHX_ char *s) s = tmpbuf; } else { - *tmpbuf = PL_multi_close; + *tmpbuf = (char)PL_multi_close; tmpbuf[1] = '\0'; s = tmpbuf; } @@ -316,7 +314,23 @@ void Perl_deprecate(pTHX_ char *s) { if (ckWARN(WARN_DEPRECATED)) - Perl_warner(aTHX_ WARN_DEPRECATED, "Use of %s is deprecated", s); + Perl_warner(aTHX_ packWARN(WARN_DEPRECATED), "Use of %s is deprecated", s); +} + +void +Perl_deprecate_old(pTHX_ char *s) +{ + /* This function should NOT be called for any new deprecated warnings */ + /* Use Perl_deprecate instead */ + /* */ + /* It is here to maintain backward compatibility with the pre-5.8 */ + /* warnings category hierarchy. The "deprecated" category used to */ + /* live under the "syntax" category. It is now a top-level category */ + /* in its own right. */ + + if (ckWARN2(WARN_DEPRECATED, WARN_SYNTAX)) + Perl_warner(aTHX_ packWARN2(WARN_DEPRECATED, WARN_SYNTAX), + "Use of %s is deprecated", s); } /* @@ -327,7 +341,7 @@ Perl_deprecate(pTHX_ char *s) STATIC void S_depcom(pTHX) { - deprecate("comma-less variable list"); + deprecate_old("comma-less variable list"); } /* @@ -514,11 +528,7 @@ S_incline(pTHX_ char *s) ch = *t; *t = '\0'; if (t - s > 0) { -#ifdef USE_ITHREADS - Safefree(CopFILE(PL_curcop)); -#else - SvREFCNT_dec(CopFILEGV(PL_curcop)); -#endif + CopFILE_free(PL_curcop); CopFILE_set(PL_curcop, s); } *t = ch; @@ -666,42 +676,13 @@ S_check_uni(pTHX) if (ckWARN_d(WARN_AMBIGUOUS)){ char ch = *s; *s = '\0'; - Perl_warner(aTHX_ WARN_AMBIGUOUS, + Perl_warner(aTHX_ packWARN(WARN_AMBIGUOUS), "Warning: Use of \"%s\" without parens is ambiguous", PL_last_uni); *s = ch; } } -/* workaround to replace the UNI() macro with a function. Only the - * hints/uts.sh file mentions this. Other comments elsewhere in the - * source indicate Microport Unix might need it too. - */ - -#ifdef CRIPPLED_CC - -#undef UNI -#define UNI(f) return uni(f,s) - -STATIC int -S_uni(pTHX_ I32 f, char *s) -{ - yylval.ival = f; - PL_expect = XTERM; - PL_bufptr = s; - PL_last_uni = PL_oldbufptr; - PL_last_lop_op = f; - if (*s == '(') - return FUNC1; - s = skipspace(s); - if (*s == '(') - return FUNC1; - else - return UNIOP; -} - -#endif /* CRIPPLED_CC */ - /* * LOP : macro to build a list operator. Its behaviour has been replaced * with a subroutine, S_lop() for which LOP is just another name. @@ -726,7 +707,7 @@ S_lop(pTHX_ I32 f, int x, char *s) PL_expect = x; PL_bufptr = s; PL_last_lop = PL_oldbufptr; - PL_last_lop_op = f; + PL_last_lop_op = (OPCODE)f; if (PL_nexttoke) return LSTOP; if (*s == '(') @@ -1084,7 +1065,7 @@ S_sublex_push(pTHX) *PL_lex_casestack = '\0'; PL_lex_starts = 0; PL_lex_state = LEX_INTERPCONCAT; - CopLINE_set(PL_curcop, PL_multi_start); + CopLINE_set(PL_curcop, (line_t)PL_multi_start); PL_lex_inwhat = PL_sublex_info.sub_inwhat; if (PL_lex_inwhat == OP_MATCH || PL_lex_inwhat == OP_QR || PL_lex_inwhat == OP_SUBST) @@ -1196,7 +1177,7 @@ S_sublex_done(pTHX) It stops processing as soon as it finds an embedded $ or @ variable and leaves it to the caller to work out what's going on. - @ in pattern could be: @foo, @{foo}, @$foo, @'foo, @:foo. + @ in pattern could be: @foo, @{foo}, @$foo, @'foo, @::foo. $ in pattern could be $foo or could be tail anchor. Assumption: it's a tail anchor if $ is the last thing in the string, or if it's @@ -1303,7 +1284,7 @@ S_scan_const(pTHX_ char *start) else #endif for (i = min; i <= max; i++) - *d++ = i; + *d++ = (char)i; /* mark the range as done, and continue */ dorange = FALSE; @@ -1371,7 +1352,7 @@ S_scan_const(pTHX_ char *start) } /* check for embedded arrays - (@foo, @:foo, @'foo, @{foo}, @$foo, @+, @-) + (@foo, @::foo, @'foo, @{foo}, @$foo, @+, @-) */ else if (*s == '@' && s[1] && (isALNUM_lazy_if(s+1,UTF) || strchr(":'{$+-", s[1]))) @@ -1405,7 +1386,7 @@ S_scan_const(pTHX_ char *start) isDIGIT(*s) && *s != '0' && !isDIGIT(s[1])) { if (ckWARN(WARN_SYNTAX)) - Perl_warner(aTHX_ WARN_SYNTAX, "\\%c better written as $%c", *s, *s); + Perl_warner(aTHX_ packWARN(WARN_SYNTAX), "\\%c better written as $%c", *s, *s); *--s = '$'; break; } @@ -1428,8 +1409,10 @@ S_scan_const(pTHX_ char *start) /* FALL THROUGH */ default: { - if (ckWARN(WARN_MISC) && isALNUM(*s)) - Perl_warner(aTHX_ WARN_MISC, + if (ckWARN(WARN_MISC) && + isALNUM(*s) && + *s != '_') + Perl_warner(aTHX_ packWARN(WARN_MISC), "Unrecognized escape \\%c passed through", *s); /* default action is to copy the quoted character */ @@ -1509,8 +1492,8 @@ S_scan_const(pTHX_ char *start) while (src >= (U8 *)SvPVX(sv)) { if (!NATIVE_IS_INVARIANT(*src)) { U8 ch = NATIVE_TO_ASCII(*src); - *dst-- = UTF8_EIGHT_BIT_LO(ch); - *dst-- = UTF8_EIGHT_BIT_HI(ch); + *dst-- = (U8)UTF8_EIGHT_BIT_LO(ch); + *dst-- = (U8)UTF8_EIGHT_BIT_HI(ch); } else { *dst-- = *src; @@ -1553,12 +1536,42 @@ S_scan_const(pTHX_ char *start) e = s - 1; goto cont_scan; } + if (e > s + 2 && s[1] == 'U' && s[2] == '+') { + /* \N{U+...} */ + I32 flags = PERL_SCAN_ALLOW_UNDERSCORES | + PERL_SCAN_DISALLOW_PREFIX; + s += 3; + len = e - s; + uv = grok_hex(s, &len, &flags, NULL); + s = e + 1; + goto NUM_ESCAPE_INSERT; + } res = newSVpvn(s + 1, e - s - 1); res = new_constant( Nullch, 0, "charnames", res, Nullsv, "\\N{...}" ); if (has_utf8) sv_utf8_upgrade(res); str = SvPV(res,len); +#ifdef EBCDIC_NEVER_MIND + /* charnames uses pack U and that has been + * recently changed to do the below uni->native + * mapping, so this would be redundant (and wrong, + * the code point would be doubly converted). + * But leave this in just in case the pack U change + * gets revoked, but the semantics is still + * desireable for charnames. --jhi */ + { + UV uv = utf8_to_uvchr((U8*)str, 0); + + if (uv < 0x100) { + U8 tmpbuf[UTF8_MAXLEN+1], *d; + + d = uvchr_to_utf8(tmpbuf, UNI_TO_NATIVE(uv)); + sv_setpvn(res, (char *)tmpbuf, d - tmpbuf); + str = SvPV(res, len); + } + } +#endif if (!has_utf8 && SvUTF8(res)) { char *ostart = SvPVX(sv); SvCUR_set(sv, d - ostart); @@ -1566,11 +1579,11 @@ S_scan_const(pTHX_ char *start) *d = '\0'; sv_utf8_upgrade(sv); /* this just broke our allocation above... */ - SvGROW(sv, send - start); + SvGROW(sv, (STRLEN)(send - start)); d = SvPVX(sv) + SvCUR(sv); has_utf8 = TRUE; } - if (len > e - s + 4) { /* I _guess_ 4 is \N{} --jhi */ + if (len > (STRLEN)(e - s + 4)) { /* I _guess_ 4 is \N{} --jhi */ char *odest = SvPVX(sv); SvGROW(sv, (SvLEN(sv) + len - (e - s + 4))); @@ -1656,7 +1669,7 @@ S_scan_const(pTHX_ char *start) SvPOK_on(sv); if (PL_encoding && !has_utf8) { - Perl_sv_recode_to_utf8(aTHX_ sv, PL_encoding); + sv_recode_to_utf8(sv, PL_encoding); has_utf8 = TRUE; } if (has_utf8) { @@ -2032,7 +2045,7 @@ Perl_filter_read(pTHX_ int idx, SV *buf_sv, int maxlen) int old_len = SvCUR(buf_sv) ; /* ensure buf_sv is large enough */ - SvGROW(buf_sv, old_len + maxlen) ; + SvGROW(buf_sv, (STRLEN)(old_len + maxlen)) ; if ((len = PerlIO_read(PL_rsfp, SvPVX(buf_sv) + old_len, maxlen)) <= 0){ if (PerlIO_error(PL_rsfp)) return -1; /* error */ @@ -2184,7 +2197,7 @@ Perl_yylex(pTHX) bool bof = FALSE; /* check if there's an identifier for us to look at */ - if (PL_pending_ident) + if (PL_pending_ident) return S_pending_ident(aTHX); /* no identifier pending identification */ @@ -2244,7 +2257,7 @@ Perl_yylex(pTHX) "### Saw case modifier at '%s'\n", PL_bufptr); }); s = PL_bufptr + 1; if (strnEQ(s, "L\\u", 3) || strnEQ(s, "U\\l", 3)) - tmp = *s, *s = s[2], s[2] = tmp; /* misordered... */ + tmp = *s, *s = s[2], s[2] = (char)tmp; /* misordered... */ if (strchr("LU", *s) && (strchr(PL_lex_casestack, 'L') || strchr(PL_lex_casestack, 'U'))) { @@ -2528,7 +2541,7 @@ Perl_yylex(pTHX) if (!PL_preprocess) bof = PerlIO_tell(PL_rsfp) == SvCUR(PL_linestr); #else - bof = PerlIO_tell(PL_rsfp) == SvCUR(PL_linestr); + bof = PerlIO_tell(PL_rsfp) == (Off_t)SvCUR(PL_linestr); #endif if (bof) { PL_bufend = SvPVX(PL_linestr) + SvCUR(PL_linestr); @@ -2536,9 +2549,6 @@ Perl_yylex(pTHX) } } if (PL_doextract) { - if (*s == '#' && s[1] == '!' && instr(s,"perl")) - PL_doextract = FALSE; - /* Incest with pod. */ if (*s == '=' && strnEQ(s, "=cut", 4)) { sv_setpv(PL_linestr, ""); @@ -2826,7 +2836,7 @@ Perl_yylex(pTHX) break; } if (ftst) { - PL_last_lop_op = ftst; + PL_last_lop_op = (OPCODE)ftst; DEBUG_T( { PerlIO_printf(Perl_debug_log, "### Saw file test %c\n", (int)ftst); } ); @@ -2988,6 +2998,8 @@ Perl_yylex(pTHX) PL_lex_stuff = Nullsv; } else { + /* NOTE: any CV attrs applied here need to be part of + the CVf_BUILTIN_ATTRS define in cv.h! */ if (!PL_in_my && len == 6 && strnEQ(s, "lvalue", len)) CvLVALUE_on(PL_compcv); else if (!PL_in_my && len == 6 && strnEQ(s, "locked", len)) @@ -2995,14 +3007,20 @@ Perl_yylex(pTHX) else if (!PL_in_my && len == 6 && strnEQ(s, "method", len)) CvMETHOD_on(PL_compcv); #ifdef USE_ITHREADS - else if (PL_in_my == KEY_our && len == 6 && strnEQ(s, "unique", len)) + else if (PL_in_my == KEY_our && len == 6 && + strnEQ(s, "unique", len)) GvUNIQUE_on(cGVOPx_gv(yylval.opval)); #endif /* After we've set the flags, it could be argued that we don't need to do the attributes.pm-based setting process, and shouldn't bother appending recognized - flags. To experiment with that, uncomment the - following "else": */ + flags. To experiment with that, uncomment the + following "else". (Note that's already been + uncommented. That keeps the above-applied built-in + attributes from being intercepted (and possibly + rejected) by a package's attribute routines, but is + justified by the performance win for the common case + of applying only built-in attributes.) */ else attrs = append_elem(OP_LIST, attrs, newSVOP(OP_CONST, 0, @@ -3270,7 +3288,7 @@ Perl_yylex(pTHX) && isIDFIRST_lazy_if(s,UTF) && PL_bufptr == PL_linestart) { CopLINE_dec(PL_curcop); - Perl_warner(aTHX_ WARN_SEMICOLON, PL_warn_nosemi); + Perl_warner(aTHX_ packWARN(WARN_SEMICOLON), PL_warn_nosemi); CopLINE_inc(PL_curcop); } BAop(OP_BIT_AND); @@ -3303,7 +3321,7 @@ Perl_yylex(pTHX) if (tmp == '~') PMop(OP_MATCH); if (ckWARN(WARN_SYNTAX) && tmp && isSPACE(*s) && strchr("+-*/%.^&|<",tmp)) - Perl_warner(aTHX_ WARN_SYNTAX, "Reversed %c= operator",(int)tmp); + Perl_warner(aTHX_ packWARN(WARN_SYNTAX), "Reversed %c= operator",(int)tmp); s--; if (PL_expect == XSTATE && isALPHA(tmp) && (s == PL_linestart+1 || s[-2] == '\n') ) @@ -3447,7 +3465,7 @@ Perl_yylex(pTHX) PL_bufptr = skipspace(PL_bufptr); while (t < PL_bufend && *t != ']') t++; - Perl_warner(aTHX_ WARN_SYNTAX, + Perl_warner(aTHX_ packWARN(WARN_SYNTAX), "Multidimensional syntax %.*s not supported", (t - PL_bufptr) + 1, PL_bufptr); } @@ -3465,7 +3483,7 @@ Perl_yylex(pTHX) t = scan_word(t, tmpbuf, sizeof tmpbuf, TRUE, &len); for (; isSPACE(*t); t++) ; if (*t == ';' && get_cv(tmpbuf, FALSE)) - Perl_warner(aTHX_ WARN_SYNTAX, + Perl_warner(aTHX_ packWARN(WARN_SYNTAX), "You need to quote \"%s\"", tmpbuf); } } @@ -3544,7 +3562,7 @@ Perl_yylex(pTHX) if (*t == '}' || *t == ']') { t++; PL_bufptr = skipspace(PL_bufptr); - Perl_warner(aTHX_ WARN_SYNTAX, + Perl_warner(aTHX_ packWARN(WARN_SYNTAX), "Scalar value %.*s better written as $%.*s", t-PL_bufptr, PL_bufptr, t-PL_bufptr-1, PL_bufptr+1); } @@ -3671,7 +3689,7 @@ Perl_yylex(pTHX) case '\\': s++; if (ckWARN(WARN_SYNTAX) && PL_lex_inwhat && isDIGIT(*s)) - Perl_warner(aTHX_ WARN_SYNTAX,"Can't use \\%c to mean $%c in expression", + Perl_warner(aTHX_ packWARN(WARN_SYNTAX),"Can't use \\%c to mean $%c in expression", *s, *s); if (PL_expect == XOPERATOR) no_op("Backslash",s); @@ -3814,14 +3832,14 @@ Perl_yylex(pTHX) else { /* no override */ tmp = -tmp; if (tmp == KEY_dump && ckWARN(WARN_MISC)) { - Perl_warner(aTHX_ WARN_MISC, + Perl_warner(aTHX_ packWARN(WARN_MISC), "dump() better written as CORE::dump()"); } gv = Nullgv; gvp = 0; if (ckWARN(WARN_AMBIGUOUS) && hgv && tmp != KEY_x && tmp != KEY_CORE) /* never ambiguous */ - Perl_warner(aTHX_ WARN_AMBIGUOUS, + Perl_warner(aTHX_ packWARN(WARN_AMBIGUOUS), "Ambiguous call resolved as CORE::%s(), %s", GvENAME(hgv), "qualify as such or use &"); } @@ -3852,7 +3870,7 @@ Perl_yylex(pTHX) if (PL_expect == XOPERATOR) { if (PL_bufptr == PL_linestart) { CopLINE_dec(PL_curcop); - Perl_warner(aTHX_ WARN_SEMICOLON, PL_warn_nosemi); + Perl_warner(aTHX_ packWARN(WARN_SEMICOLON), PL_warn_nosemi); CopLINE_inc(PL_curcop); } else @@ -3867,7 +3885,7 @@ Perl_yylex(pTHX) PL_tokenbuf[len - 2] == ':' && PL_tokenbuf[len - 1] == ':') { if (ckWARN(WARN_BAREWORD) && ! gv_fetchpv(PL_tokenbuf, FALSE, SVt_PVHV)) - Perl_warner(aTHX_ WARN_BAREWORD, + Perl_warner(aTHX_ packWARN(WARN_BAREWORD), "Bareword \"%s\" refers to nonexistent package", PL_tokenbuf); len -= 2; @@ -3981,7 +3999,7 @@ Perl_yylex(pTHX) if (gv && GvCVu(gv)) { CV* cv; if (lastchar == '-' && ckWARN_d(WARN_AMBIGUOUS)) - Perl_warner(aTHX_ WARN_AMBIGUOUS, + Perl_warner(aTHX_ packWARN(WARN_AMBIGUOUS), "Ambiguous use of -%s resolved as -&%s()", PL_tokenbuf, PL_tokenbuf); /* Check for a constant sub */ @@ -4009,7 +4027,8 @@ Perl_yylex(pTHX) if (strEQ(proto, "$")) OPERATOR(UNIOPSUB); if (*proto == '&' && *s == '{') { - sv_setpv(PL_subname,"__ANON__"); + sv_setpv(PL_subname, PL_curstash ? + "__ANON__" : "__ANON__::__ANON__"); PREBLOCK(LSTOPSUB); } } @@ -4028,8 +4047,8 @@ Perl_yylex(pTHX) if (ckWARN(WARN_RESERVED)) { if (lastchar != '-') { for (d = PL_tokenbuf; *d && isLOWER(*d); d++) ; - if (!*d && strNE(PL_tokenbuf,"main")) - Perl_warner(aTHX_ WARN_RESERVED, PL_warn_reserved, + if (!*d && !gv_stashpv(PL_tokenbuf,FALSE)) + Perl_warner(aTHX_ packWARN(WARN_RESERVED), PL_warn_reserved, PL_tokenbuf); } } @@ -4037,10 +4056,10 @@ Perl_yylex(pTHX) safe_bareword: if (lastchar && strchr("*%&", lastchar) && ckWARN_d(WARN_AMBIGUOUS)) { - Perl_warner(aTHX_ WARN_AMBIGUOUS, + Perl_warner(aTHX_ packWARN(WARN_AMBIGUOUS), "Operator or semicolon missing before %c%s", lastchar, PL_tokenbuf); - Perl_warner(aTHX_ WARN_AMBIGUOUS, + Perl_warner(aTHX_ packWARN(WARN_AMBIGUOUS), "Ambiguous use of %c resolved as operator %c", lastchar, lastchar); } @@ -4579,7 +4598,7 @@ Perl_yylex(pTHX) for (d = s; isALNUM_lazy_if(d,UTF); d++) ; t = skipspace(d); if (strchr("|&*+-=!?:.", *t) && ckWARN_d(WARN_PRECEDENCE)) - Perl_warner(aTHX_ WARN_PRECEDENCE, + Perl_warner(aTHX_ packWARN(WARN_PRECEDENCE), "Precedence problem: open %.*s should be open(%.*s)", d-s,s, d-s,s); } @@ -4655,12 +4674,12 @@ Perl_yylex(pTHX) if (!warned && ckWARN(WARN_QW)) { for (; !isSPACE(*d) && len; --len, ++d) { if (*d == ',') { - Perl_warner(aTHX_ WARN_QW, + Perl_warner(aTHX_ packWARN(WARN_QW), "Possible attempt to separate words with commas"); ++warned; } else if (*d == '#') { - Perl_warner(aTHX_ WARN_QW, + Perl_warner(aTHX_ packWARN(WARN_QW), "Possible attempt to put comments in qw() list"); ++warned; } @@ -4969,7 +4988,7 @@ Perl_yylex(pTHX) } d[tmp] = '\0'; if (bad_proto && ckWARN(WARN_SYNTAX)) - Perl_warner(aTHX_ WARN_SYNTAX, + Perl_warner(aTHX_ packWARN(WARN_SYNTAX), "Illegal character in prototype for %s : %s", SvPVX(PL_subname), d); SvCUR(PL_lex_stuff) = tmp; @@ -4990,7 +5009,8 @@ Perl_yylex(pTHX) force_next(THING); } if (!have_name) { - sv_setpv(PL_subname,"__ANON__"); + sv_setpv(PL_subname, + PL_curstash ? "__ANON__" : "__ANON__::__ANON__"); TOKEN(ANONSUB); } (void) force_word(PL_oldbufptr + tboffset, WORD, @@ -5233,7 +5253,7 @@ S_pending_ident(pTHX) gv_fetchpv(SvPVX(sym), (PL_in_eval ? (GV_ADDMULTI | GV_ADDINEVAL) - : TRUE + : GV_ADDMULTI ), ((PL_tokenbuf[0] == '$') ? SVt_PV : (PL_tokenbuf[0] == '@') ? SVt_PVAV @@ -5275,7 +5295,7 @@ S_pending_ident(pTHX) && ckWARN(WARN_AMBIGUOUS)) { /* Downgraded from fatal to warning 20000522 mjd */ - Perl_warner(aTHX_ WARN_AMBIGUOUS, + Perl_warner(aTHX_ packWARN(WARN_AMBIGUOUS), "Possible unintended interpolation of %s in string", PL_tokenbuf); } @@ -5911,7 +5931,7 @@ S_checkcomma(pTHX_ register char *s, char *name, char *what) if (*w) for (; *w && isSPACE(*w); w++) ; if (!*w || !strchr(";|})]oaiuw!=", *w)) /* an advisory hack only... */ - Perl_warner(aTHX_ WARN_SYNTAX, + Perl_warner(aTHX_ packWARN(WARN_SYNTAX), "%s (...) interpreted as function",name); } } @@ -6184,7 +6204,7 @@ S_scan_ident(pTHX_ register char *s, register char *send, char *dest, STRLEN des if ((*s == '[' || (*s == '{' && strNE(dest, "sub")))) { if (ckWARN(WARN_AMBIGUOUS) && keyword(dest, d - dest)) { const char *brack = *s == '[' ? "[...]" : "{...}"; - Perl_warner(aTHX_ WARN_AMBIGUOUS, + Perl_warner(aTHX_ packWARN(WARN_AMBIGUOUS), "Ambiguous use of %c{%s%s} resolved to %c%s%s", funny, dest, brack, funny, dest, brack); } @@ -6216,7 +6236,7 @@ S_scan_ident(pTHX_ register char *s, register char *send, char *dest, STRLEN des if (ckWARN(WARN_AMBIGUOUS) && (keyword(dest, d - dest) || get_cv(dest, FALSE))) { - Perl_warner(aTHX_ WARN_AMBIGUOUS, + Perl_warner(aTHX_ packWARN(WARN_AMBIGUOUS), "Ambiguous use of %c{%s} resolved to %c%s", funny, dest, funny, dest); } @@ -6233,7 +6253,7 @@ S_scan_ident(pTHX_ register char *s, register char *send, char *dest, STRLEN des } void -Perl_pmflag(pTHX_ U16 *pmfl, int ch) +Perl_pmflag(pTHX_ U32* pmfl, int ch) { if (ch == 'i') *pmfl |= PMf_FOLD; @@ -6272,6 +6292,13 @@ S_scan_pat(pTHX_ char *start, I32 type) while (*s && strchr("iogcmsx", *s)) pmflag(&pm->op_pmflags,*s++); } + /* issue a warning if /c is specified,but /g is not */ + if (ckWARN(WARN_REGEXP) && + (pm->op_pmflags & PMf_CONTINUE) && !(pm->op_pmflags & PMf_GLOBAL)) + { + Perl_warner(aTHX_ packWARN(WARN_REGEXP), c_without_g); + } + pm->op_pmpermflags = pm->op_pmflags; PL_lex_op = (OP*)pm; @@ -6320,6 +6347,12 @@ S_scan_subst(pTHX_ char *start) break; } + /* /c is not meaningful with s/// */ + if (ckWARN(WARN_REGEXP) && (pm->op_pmflags & PMf_CONTINUE)) + { + Perl_warner(aTHX_ packWARN(WARN_REGEXP), c_in_subst); + } + if (es) { SV *repl; PL_sublex_info.super_bufptr = s; @@ -6425,7 +6458,7 @@ S_scan_heredoc(pTHX_ register char *s) else term = '"'; if (!isALNUM_lazy_if(s,UTF)) - deprecate("bare << to mean <<\"\""); + deprecate_old("bare << to mean <<\"\""); for (; isALNUM_lazy_if(s,UTF); s++) { if (d < e) *d++ = *s; @@ -6496,7 +6529,7 @@ S_scan_heredoc(pTHX_ register char *s) CopLINE_inc(PL_curcop); } if (s >= bufend) { - CopLINE_set(PL_curcop, PL_multi_start); + CopLINE_set(PL_curcop, (line_t)PL_multi_start); missingterm(PL_tokenbuf); } sv_setpvn(herewas,bufptr,d-bufptr+1); @@ -6516,7 +6549,7 @@ S_scan_heredoc(pTHX_ register char *s) CopLINE_inc(PL_curcop); } if (s >= PL_bufend) { - CopLINE_set(PL_curcop, PL_multi_start); + CopLINE_set(PL_curcop, (line_t)PL_multi_start); missingterm(PL_tokenbuf); } sv_setpvn(tmpstr,d+1,s-d); @@ -6534,7 +6567,7 @@ S_scan_heredoc(pTHX_ register char *s) while (s >= PL_bufend) { /* multiple line string? */ if (!outer || !(PL_oldoldbufptr = PL_oldbufptr = s = PL_linestart = filter_gets(PL_linestr, PL_rsfp, 0))) { - CopLINE_set(PL_curcop, PL_multi_start); + CopLINE_set(PL_curcop, (line_t)PL_multi_start); missingterm(PL_tokenbuf); } CopLINE_inc(PL_curcop); @@ -6661,6 +6694,9 @@ S_scan_inputsymbol(pTHX_ char *start) return s; } else { + bool readline_overriden = FALSE; + GV *gv_readline = Nullgv; + GV **gvp; /* we're in a filehandle read situation */ d = PL_tokenbuf; @@ -6668,6 +6704,15 @@ S_scan_inputsymbol(pTHX_ char *start) if (!len) (void)strcpy(d,"ARGV"); + /* Check whether readline() is overriden */ + if (((gv_readline = gv_fetchpv("readline", FALSE, SVt_PVCV)) + && GvCVu(gv_readline) && GvIMPORTED_CV(gv_readline)) + || + ((gvp = (GV**)hv_fetch(PL_globalstash, "readline", 8, FALSE)) + && (gv_readline = *gvp) != (GV*)&PL_sv_undef + && GvCVu(gv_readline) && GvIMPORTED_CV(gv_readline))) + readline_overriden = TRUE; + /* if <$fh>, create the ops to turn the variable into a filehandle */ @@ -6689,7 +6734,11 @@ S_scan_inputsymbol(pTHX_ char *start) else { OP *o = newOP(OP_PADSV, 0); o->op_targ = tmp; - PL_lex_op = (OP*)newUNOP(OP_READLINE, 0, o); + PL_lex_op = readline_overriden + ? (OP*)newUNOP(OP_ENTERSUB, OPf_STACKED, + append_elem(OP_LIST, o, + newCVREF(0, newGVOP(OP_GV,0,gv_readline)))) + : (OP*)newUNOP(OP_READLINE, 0, o); } } else { @@ -6699,13 +6748,19 @@ intro_sym: gv = gv_fetchpv(d, (PL_in_eval ? (GV_ADDMULTI | GV_ADDINEVAL) - : TRUE), + : GV_ADDMULTI), SVt_PV); - PL_lex_op = (OP*)newUNOP(OP_READLINE, 0, - newUNOP(OP_RV2SV, 0, - newGVOP(OP_GV, 0, gv))); - } - PL_lex_op->op_flags |= OPf_SPECIAL; + PL_lex_op = readline_overriden + ? (OP*)newUNOP(OP_ENTERSUB, OPf_STACKED, + append_elem(OP_LIST, + newUNOP(OP_RV2SV, 0, newGVOP(OP_GV, 0, gv)), + newCVREF(0, newGVOP(OP_GV, 0, gv_readline)))) + : (OP*)newUNOP(OP_READLINE, 0, + newUNOP(OP_RV2SV, 0, + newGVOP(OP_GV, 0, gv))); + } + if (!readline_overriden) + PL_lex_op->op_flags |= OPf_SPECIAL; /* we created the ops in PL_lex_op, so make yylval.ival a null op */ yylval.ival = OP_NULL; } @@ -6714,7 +6769,12 @@ intro_sym: ( or ) so build a simple readline OP */ else { GV *gv = gv_fetchpv(d,TRUE, SVt_PVIO); - PL_lex_op = (OP*)newUNOP(OP_READLINE, 0, newGVOP(OP_GV, 0, gv)); + PL_lex_op = readline_overriden + ? (OP*)newUNOP(OP_ENTERSUB, OPf_STACKED, + append_elem(OP_LIST, + newGVOP(OP_GV, 0, gv), + newCVREF(0, newGVOP(OP_GV, 0, gv_readline)))) + : (OP*)newUNOP(OP_READLINE, 0, newGVOP(OP_GV, 0, gv)); yylval.ival = OP_NULL; } } @@ -6900,7 +6960,7 @@ S_scan_str(pTHX_ char *start, int keep_quoted, int keep_delims) if (!PL_rsfp || !(PL_oldoldbufptr = PL_oldbufptr = s = PL_linestart = filter_gets(PL_linestr, PL_rsfp, 0))) { sv_free(sv); - CopLINE_set(PL_curcop, PL_multi_start); + CopLINE_set(PL_curcop, (line_t)PL_multi_start); return Nullch; } /* we read a line, so increment our line counter */ @@ -7037,7 +7097,7 @@ Perl_scan_num(pTHX_ char *start, YYSTYPE* lvalp) if (*s == '_') { if (ckWARN(WARN_SYNTAX)) - Perl_warner(aTHX_ WARN_SYNTAX, + Perl_warner(aTHX_ packWARN(WARN_SYNTAX), "Misplaced _ in number"); lastub = s++; } @@ -7061,7 +7121,7 @@ Perl_scan_num(pTHX_ char *start, YYSTYPE* lvalp) /* _ are ignored -- but warned about if consecutive */ case '_': if (ckWARN(WARN_SYNTAX) && lastub && s == lastub + 1) - Perl_warner(aTHX_ WARN_SYNTAX, + Perl_warner(aTHX_ packWARN(WARN_SYNTAX), "Misplaced _ in number"); lastub = s++; break; @@ -7104,7 +7164,7 @@ Perl_scan_num(pTHX_ char *start, YYSTYPE* lvalp) overflowed = TRUE; n = (NV) u; if (ckWARN_d(WARN_OVERFLOW)) - Perl_warner(aTHX_ WARN_OVERFLOW, + Perl_warner(aTHX_ packWARN(WARN_OVERFLOW), "Integer overflow in %s number", base); } else @@ -7134,13 +7194,13 @@ Perl_scan_num(pTHX_ char *start, YYSTYPE* lvalp) /* final misplaced underbar check */ if (s[-1] == '_') { if (ckWARN(WARN_SYNTAX)) - Perl_warner(aTHX_ WARN_SYNTAX, "Misplaced _ in number"); + Perl_warner(aTHX_ packWARN(WARN_SYNTAX), "Misplaced _ in number"); } sv = NEWSV(92,0); if (overflowed) { if (ckWARN(WARN_PORTABLE) && n > 4294967295.0) - Perl_warner(aTHX_ WARN_PORTABLE, + Perl_warner(aTHX_ packWARN(WARN_PORTABLE), "%s number > %s non-portable", Base, max); sv_setnv(sv, n); @@ -7148,7 +7208,7 @@ Perl_scan_num(pTHX_ char *start, YYSTYPE* lvalp) else { #if UVSIZE > 4 if (ckWARN(WARN_PORTABLE) && u > 0xffffffff) - Perl_warner(aTHX_ WARN_PORTABLE, + Perl_warner(aTHX_ packWARN(WARN_PORTABLE), "%s number > %s non-portable", Base, max); #endif @@ -7177,7 +7237,7 @@ Perl_scan_num(pTHX_ char *start, YYSTYPE* lvalp) */ if (*s == '_') { if (ckWARN(WARN_SYNTAX) && lastub && s == lastub + 1) - Perl_warner(aTHX_ WARN_SYNTAX, + Perl_warner(aTHX_ packWARN(WARN_SYNTAX), "Misplaced _ in number"); lastub = s++; } @@ -7193,7 +7253,7 @@ Perl_scan_num(pTHX_ char *start, YYSTYPE* lvalp) /* final misplaced underbar check */ if (lastub && s == lastub + 1) { if (ckWARN(WARN_SYNTAX)) - Perl_warner(aTHX_ WARN_SYNTAX, "Misplaced _ in number"); + Perl_warner(aTHX_ packWARN(WARN_SYNTAX), "Misplaced _ in number"); } /* read a decimal portion if there is one. avoid @@ -7206,7 +7266,7 @@ Perl_scan_num(pTHX_ char *start, YYSTYPE* lvalp) if (*s == '_') { if (ckWARN(WARN_SYNTAX)) - Perl_warner(aTHX_ WARN_SYNTAX, + Perl_warner(aTHX_ packWARN(WARN_SYNTAX), "Misplaced _ in number"); lastub = s; } @@ -7219,7 +7279,7 @@ Perl_scan_num(pTHX_ char *start, YYSTYPE* lvalp) Perl_croak(aTHX_ number_too_long); if (*s == '_') { if (ckWARN(WARN_SYNTAX) && lastub && s == lastub + 1) - Perl_warner(aTHX_ WARN_SYNTAX, + Perl_warner(aTHX_ packWARN(WARN_SYNTAX), "Misplaced _ in number"); lastub = s; } @@ -7229,7 +7289,7 @@ Perl_scan_num(pTHX_ char *start, YYSTYPE* lvalp) /* fractional part ending in underbar? */ if (s[-1] == '_') { if (ckWARN(WARN_SYNTAX)) - Perl_warner(aTHX_ WARN_SYNTAX, + Perl_warner(aTHX_ packWARN(WARN_SYNTAX), "Misplaced _ in number"); } if (*s == '.' && isDIGIT(s[1])) { @@ -7250,7 +7310,7 @@ Perl_scan_num(pTHX_ char *start, YYSTYPE* lvalp) /* stray preinitial _ */ if (*s == '_') { if (ckWARN(WARN_SYNTAX)) - Perl_warner(aTHX_ WARN_SYNTAX, + Perl_warner(aTHX_ packWARN(WARN_SYNTAX), "Misplaced _ in number"); lastub = s++; } @@ -7262,7 +7322,7 @@ Perl_scan_num(pTHX_ char *start, YYSTYPE* lvalp) /* stray initial _ */ if (*s == '_') { if (ckWARN(WARN_SYNTAX)) - Perl_warner(aTHX_ WARN_SYNTAX, + Perl_warner(aTHX_ packWARN(WARN_SYNTAX), "Misplaced _ in number"); lastub = s++; } @@ -7278,7 +7338,7 @@ Perl_scan_num(pTHX_ char *start, YYSTYPE* lvalp) if (ckWARN(WARN_SYNTAX) && ((lastub && s == lastub + 1) || (!isDIGIT(s[1]) && s[1] != '_'))) - Perl_warner(aTHX_ WARN_SYNTAX, + Perl_warner(aTHX_ packWARN(WARN_SYNTAX), "Misplaced _ in number"); lastub = s++; } @@ -7517,15 +7577,33 @@ Perl_yyerror(pTHX_ char *s) where = "at EOF"; else if (PL_bufptr > PL_oldoldbufptr && PL_bufptr - PL_oldoldbufptr < 200 && PL_oldoldbufptr != PL_oldbufptr && PL_oldbufptr != PL_bufptr) { + /* + Only for NetWare: + The code below is removed for NetWare because it abends/crashes on NetWare + when the script has error such as not having the closing quotes like: + if ($var eq "value) + Checking of white spaces is anyway done in NetWare code. + */ +#ifndef NETWARE while (isSPACE(*PL_oldoldbufptr)) PL_oldoldbufptr++; +#endif context = PL_oldoldbufptr; contlen = PL_bufptr - PL_oldoldbufptr; } else if (PL_bufptr > PL_oldbufptr && PL_bufptr - PL_oldbufptr < 200 && PL_oldbufptr != PL_bufptr) { + /* + Only for NetWare: + The code below is removed for NetWare because it abends/crashes on NetWare + when the script has error such as not having the closing quotes like: + if ($var eq "value) + Checking of white spaces is anyway done in NetWare code. + */ +#ifndef NETWARE while (isSPACE(*PL_oldbufptr)) PL_oldbufptr++; +#endif context = PL_oldbufptr; contlen = PL_bufptr - PL_oldbufptr; } @@ -7557,7 +7635,7 @@ Perl_yyerror(pTHX_ char *s) } msg = sv_2mortal(newSVpv(s, 0)); Perl_sv_catpvf(aTHX_ msg, " at %s line %"IVdf", ", - CopFILE(PL_curcop), (IV)CopLINE(PL_curcop)); + OutCopFILE(PL_curcop), (IV)CopLINE(PL_curcop)); if (context) Perl_sv_catpvf(aTHX_ msg, "near \"%.*s\"\n", contlen, context); else @@ -7575,10 +7653,10 @@ Perl_yyerror(pTHX_ char *s) if (PL_error_count >= 10) { if (PL_in_eval && SvCUR(ERRSV)) Perl_croak(aTHX_ "%"SVf"%s has too many errors.\n", - ERRSV, CopFILE(PL_curcop)); + ERRSV, OutCopFILE(PL_curcop)); else Perl_croak(aTHX_ "%s has too many errors.\n", - CopFILE(PL_curcop)); + OutCopFILE(PL_curcop)); } PL_in_my = 0; PL_in_my_stash = Nullhv;