3 * Copyright (c) 1991-1994, Larry Wall
5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
11 * "It all comes from here, the stench and the peril." --Frodo
17 static void check_uni _((void));
18 static void force_next _((I32 type));
19 static char *force_version _((char *start));
20 static char *force_word _((char *start, int token, int check_keyword, int allow_pack, int allow_tick));
21 static SV *q _((SV *sv));
22 static char *scan_const _((char *start));
23 static char *scan_formline _((char *s));
24 static char *scan_heredoc _((char *s));
25 static char *scan_ident _((char *s, char *send, char *dest, I32 ck_uni));
26 static char *scan_inputsymbol _((char *start));
27 static char *scan_pat _((char *start));
28 static char *scan_str _((char *start));
29 static char *scan_subst _((char *start));
30 static char *scan_trans _((char *start));
31 static char *scan_word _((char *s, char *dest, int allow_package, STRLEN *slp));
32 static char *skipspace _((char *s));
33 static void checkcomma _((char *s, char *name, char *what));
34 static void force_ident _((char *s, int kind));
35 static void incline _((char *s));
36 static int intuit_method _((char *s, GV *gv));
37 static int intuit_more _((char *s));
38 static I32 lop _((I32 f, expectation x, char *s));
39 static void missingterm _((char *s));
40 static void no_op _((char *what, char *s));
41 static void set_csh _((void));
42 static I32 sublex_done _((void));
43 static I32 sublex_start _((void));
45 static int uni _((I32 f, char *s));
47 static char * filter_gets _((SV *sv, PerlIO *fp));
48 static void restore_rsfp _((void *f));
50 /* The following are arranged oddly so that the guard on the switch statement
51 * can get by with a single comparison (if the compiler is smart enough).
55 #define LEX_INTERPNORMAL 8
56 #define LEX_INTERPCASEMOD 7
57 #define LEX_INTERPSTART 6
58 #define LEX_INTERPEND 5
59 #define LEX_INTERPENDMAYBE 4
60 #define LEX_INTERPCONCAT 3
61 #define LEX_INTERPCONST 2
62 #define LEX_FORMLINE 1
63 #define LEX_KNOWNEXT 0
81 #define CLINE (copline = (curcop->cop_line < copline ? curcop->cop_line : copline))
83 #define TOKEN(retval) return (bufptr = s,(int)retval)
84 #define OPERATOR(retval) return (expect = XTERM,bufptr = s,(int)retval)
85 #define AOPERATOR(retval) return ao((expect = XTERM,bufptr = s,(int)retval))
86 #define PREBLOCK(retval) return (expect = XBLOCK,bufptr = s,(int)retval)
87 #define PRETERMBLOCK(retval) return (expect = XTERMBLOCK,bufptr = s,(int)retval)
88 #define PREREF(retval) return (expect = XREF,bufptr = s,(int)retval)
89 #define TERM(retval) return (CLINE, expect = XOPERATOR,bufptr = s,(int)retval)
90 #define LOOPX(f) return(yylval.ival=f,expect = XTERM,bufptr = s,(int)LOOPEX)
91 #define FTST(f) return(yylval.ival=f,expect = XTERM,bufptr = s,(int)UNIOP)
92 #define FUN0(f) return(yylval.ival = f,expect = XOPERATOR,bufptr = s,(int)FUNC0)
93 #define FUN1(f) return(yylval.ival = f,expect = XOPERATOR,bufptr = s,(int)FUNC1)
94 #define BOop(f) return ao((yylval.ival=f,expect = XTERM,bufptr = s,(int)BITOROP))
95 #define BAop(f) return ao((yylval.ival=f,expect = XTERM,bufptr = s,(int)BITANDOP))
96 #define SHop(f) return ao((yylval.ival=f,expect = XTERM,bufptr = s,(int)SHIFTOP))
97 #define PWop(f) return ao((yylval.ival=f,expect = XTERM,bufptr = s,(int)POWOP))
98 #define PMop(f) return(yylval.ival=f,expect = XTERM,bufptr = s,(int)MATCHOP)
99 #define Aop(f) return ao((yylval.ival=f,expect = XTERM,bufptr = s,(int)ADDOP))
100 #define Mop(f) return ao((yylval.ival=f,expect = XTERM,bufptr = s,(int)MULOP))
101 #define Eop(f) return(yylval.ival=f,expect = XTERM,bufptr = s,(int)EQOP)
102 #define Rop(f) return(yylval.ival=f,expect = XTERM,bufptr = s,(int)RELOP)
104 /* This bit of chicanery makes a unary function followed by
105 * a parenthesis into a function with one argument, highest precedence.
107 #define UNI(f) return(yylval.ival = f, \
110 last_uni = oldbufptr, \
112 (*s == '(' || (s = skipspace(s), *s == '(') ? (int)FUNC1 : (int)UNIOP) )
114 #define UNIBRACK(f) return(yylval.ival = f, \
116 last_uni = oldbufptr, \
117 (*s == '(' || (s = skipspace(s), *s == '(') ? (int)FUNC1 : (int)UNIOP) )
119 /* grandfather return to old style */
120 #define OLDLOP(f) return(yylval.ival=f,expect = XTERM,bufptr = s,(int)LSTOP)
126 if (*bufptr == '=') {
128 if (toketype == ANDAND)
129 yylval.ival = OP_ANDASSIGN;
130 else if (toketype == OROR)
131 yylval.ival = OP_ORASSIGN;
143 char *oldbp = bufptr;
144 bool is_first = (oldbufptr == SvPVX(linestr));
146 sprintf(tmpbuf, "%s found where operator expected", what);
149 warn("\t(Missing semicolon on previous line?)\n");
150 else if (oldoldbufptr && isIDFIRST(*oldoldbufptr)) {
152 for (t = oldoldbufptr; *t && (isALNUM(*t) || *t == ':'); t++) ;
153 if (t < bufptr && isSPACE(*t))
154 warn("\t(Do you need to predeclare %.*s?)\n",
155 t - oldoldbufptr, oldoldbufptr);
159 warn("\t(Missing operator before %.*s?)\n", s - oldbp, oldbp);
170 char *nl = strrchr(s,'\n');
174 else if (multi_close < 32 || multi_close == 127) {
176 tmpbuf[1] = multi_close ^ 64;
182 *tmpbuf = multi_close;
186 q = strchr(s,'"') ? '\'' : '"';
187 croak("Can't find string terminator %c%s%c anywhere before EOF",q,s,q);
195 warn("Use of %s is deprecated", s);
201 deprecate("comma-less variable list");
212 SAVEINT(lex_brackets);
213 SAVEINT(lex_fakebrack);
214 SAVEINT(lex_casemods);
219 SAVEINT(curcop->cop_line);
223 SAVEPPTR(oldoldbufptr);
225 SAVEPPTR(lex_brackstack);
226 SAVEPPTR(lex_casestack);
227 SAVEDESTRUCTOR(restore_rsfp, rsfp);
229 lex_state = LEX_NORMAL;
234 New(899, lex_brackstack, 120, char);
235 New(899, lex_casestack, 12, char);
236 SAVEFREEPV(lex_brackstack);
237 SAVEFREEPV(lex_casestack);
239 *lex_casestack = '\0';
243 SvREFCNT_dec(lex_stuff);
246 SvREFCNT_dec(lex_repl);
251 if (SvREADONLY(linestr))
252 linestr = sv_2mortal(newSVsv(linestr));
253 s = SvPV(linestr, len);
254 if (len && s[len-1] != ';') {
255 if (!(SvFLAGS(linestr) & SVs_TEMP))
256 linestr = sv_2mortal(newSVsv(linestr));
257 sv_catpvn(linestr, "\n;", 2);
260 oldoldbufptr = oldbufptr = bufptr = SvPVX(linestr);
261 bufend = bufptr + SvCUR(linestr);
263 rs = newSVpv("\n", 1);
276 PerlIO *fp = (PerlIO*)f;
278 if (rsfp == PerlIO_stdin())
279 PerlIO_clearerr(rsfp);
280 else if (rsfp && (rsfp != fp))
297 while (*s == ' ' || *s == '\t') s++;
298 if (strnEQ(s, "line ", 5)) {
307 while (*s == ' ' || *s == '\t')
309 if (*s == '"' && (t = strchr(s+1, '"')))
313 return; /* false alarm */
314 for (t = s; !isSPACE(*t); t++) ;
319 curcop->cop_filegv = gv_fetchfile(s);
321 curcop->cop_filegv = gv_fetchfile(origfilename);
323 curcop->cop_line = atoi(n)-1;
330 if (lex_formbrack && lex_brackets <= lex_formbrack) {
331 while (s < bufend && (*s == ' ' || *s == '\t'))
336 while (s < bufend && isSPACE(*s))
338 if (s < bufend && *s == '#') {
339 while (s < bufend && *s != '\n')
344 if (s < bufend || !rsfp || lex_state != LEX_NORMAL)
346 if ((s = filter_gets(linestr, rsfp)) == Nullch) {
347 if (minus_n || minus_p) {
348 sv_setpv(linestr,minus_p ? ";}continue{print" : "");
349 sv_catpv(linestr,";}");
350 minus_n = minus_p = 0;
353 sv_setpv(linestr,";");
354 oldoldbufptr = oldbufptr = bufptr = s = SvPVX(linestr);
355 bufend = SvPVX(linestr) + SvCUR(linestr);
356 if (preprocess && !in_eval)
357 (void)my_pclose(rsfp);
358 else if ((PerlIO*)rsfp == PerlIO_stdin())
359 PerlIO_clearerr(rsfp);
361 (void)PerlIO_close(rsfp);
365 oldoldbufptr = oldbufptr = bufptr = s;
366 bufend = bufptr + SvCUR(linestr);
368 if (perldb && curstash != debstash) {
369 SV *sv = NEWSV(85,0);
371 sv_upgrade(sv, SVt_PVMG);
372 sv_setsv(sv,linestr);
373 av_store(GvAV(curcop->cop_filegv),(I32)curcop->cop_line,sv);
384 if (oldoldbufptr != last_uni)
386 while (isSPACE(*last_uni))
388 for (s = last_uni; isALNUM(*s) || *s == '-'; s++) ;
389 if ((t = strchr(s, '(')) && t < bufptr)
393 warn("Warning: Use of \"%s\" without parens is ambiguous", last_uni);
400 #define UNI(f) return uni(f,s)
410 last_uni = oldbufptr;
421 #endif /* CRIPPLED_CC */
423 #define LOP(f,x) return lop(f,x,s)
435 last_lop = oldbufptr;
452 nexttype[nexttoke] = type;
454 if (lex_state != LEX_KNOWNEXT) {
455 lex_defer = lex_state;
457 lex_state = LEX_KNOWNEXT;
462 force_word(start,token,check_keyword,allow_pack,allow_tick)
463 register char *start;
472 start = skipspace(start);
475 (allow_pack && *s == ':') ||
476 (allow_tick && *s == '\'') )
478 s = scan_word(s, tokenbuf, allow_pack, &len);
479 if (check_keyword && keyword(tokenbuf, len))
481 if (token == METHOD) {
491 nextval[nexttoke].opval = (OP*)newSVOP(OP_CONST,0, newSVpv(tokenbuf,0));
492 nextval[nexttoke].opval->op_private |= OPpCONST_BARE;
504 OP* op = (OP*)newSVOP(OP_CONST, 0, newSVpv(s,0));
505 nextval[nexttoke].opval = op;
508 op->op_private = OPpCONST_ENTERED;
510 kind == '$' ? SVt_PV :
511 kind == '@' ? SVt_PVAV :
512 kind == '%' ? SVt_PVHV :
523 OP *version = Nullop;
527 /* default VERSION number -- GBARR */
532 for( d=s, c = 1; isDIGIT(*d) || (*d == '.' && c--); d++);
533 if((*d == ';' || isSPACE(*d)) && *(skipspace(d)) != ',') {
535 /* real VERSION number -- GBARR */
536 version = yylval.opval;
540 /* NOTE: The parser sees the package name and the VERSION swapped */
541 nextval[nexttoke].opval = version;
559 s = SvPV_force(sv, len);
563 while (s < send && *s != '\\')
570 if (s + 1 < send && (s[1] == '\\'))
571 s++; /* all that, just for this */
576 SvCUR_set(sv, d - SvPVX(sv));
584 register I32 op_type = yylval.ival;
586 if (op_type == OP_NULL) {
587 yylval.opval = lex_op;
591 if (op_type == OP_CONST || op_type == OP_READLINE) {
592 yylval.opval = (OP*)newSVOP(op_type, 0, q(lex_stuff));
599 SAVEINT(lex_brackets);
600 SAVEINT(lex_fakebrack);
601 SAVEINT(lex_casemods);
606 SAVEINT(curcop->cop_line);
609 SAVEPPTR(oldoldbufptr);
611 SAVEPPTR(lex_brackstack);
612 SAVEPPTR(lex_casestack);
617 bufend = bufptr = oldbufptr = oldoldbufptr = SvPVX(linestr);
618 bufend += SvCUR(linestr);
624 New(899, lex_brackstack, 120, char);
625 New(899, lex_casestack, 12, char);
626 SAVEFREEPV(lex_brackstack);
627 SAVEFREEPV(lex_casestack);
629 *lex_casestack = '\0';
631 lex_state = LEX_INTERPCONCAT;
632 curcop->cop_line = multi_start;
634 lex_inwhat = op_type;
635 if (op_type == OP_MATCH || op_type == OP_SUBST)
643 yylval.opval = lex_op;
656 yylval.opval = (OP*)newSVOP(OP_CONST, 0, newSVpv("",0));
660 if (lex_casemods) { /* oops, we've got some unbalanced parens */
661 lex_state = LEX_INTERPCASEMOD;
665 /* Is there a right-hand side to take care of? */
666 if (lex_repl && (lex_inwhat == OP_SUBST || lex_inwhat == OP_TRANS)) {
669 bufend = bufptr = oldbufptr = oldoldbufptr = SvPVX(linestr);
670 bufend += SvCUR(linestr);
676 *lex_casestack = '\0';
678 if (SvCOMPILED(lex_repl)) {
679 lex_state = LEX_INTERPNORMAL;
683 lex_state = LEX_INTERPCONCAT;
689 bufend = SvPVX(linestr);
690 bufend += SvCUR(linestr);
700 register char *send = bufend;
701 SV *sv = NEWSV(93, send - start);
702 register char *s = start;
703 register char *d = SvPVX(sv);
704 bool dorange = FALSE;
708 ? "\\.^$@AGZdDwWsSbB+*?|()-nrtfeaxc0123456789[{]} \t\n\r\f\v#"
709 : (lex_inwhat & OP_TRANS)
713 while (s < send || dorange) {
714 if (lex_inwhat == OP_TRANS) {
719 SvGROW(sv, SvLEN(sv) + 256);
723 for (i = (U8)*d; i <= max; i++)
728 else if (*s == '-' && s+1 < send && s != start) {
733 else if (*s == '(' && lex_inpat && s[1] == '?' && s[2] == '#') {
734 while (s < send && *s != ')')
737 else if (*s == '#' && lex_inpat &&
738 ((PMOP*)lex_inpat)->op_pmflags & PMf_EXTENDED) {
739 while (s+1 < send && *s != '\n')
742 else if (*s == '@' && s[1] && (isALNUM(s[1]) || strchr(":'{$", s[1])))
744 else if (*s == '$') {
745 if (!lex_inpat) /* not a regexp, so $ must be var */
747 if (s + 1 < send && !strchr(")| \n\t", s[1]))
748 break; /* in regexp, $ might be tail anchor */
750 if (*s == '\\' && s+1 < send) {
752 if (*s && strchr(leave, *s)) {
757 if (lex_inwhat == OP_SUBST && !lex_inpat &&
758 isDIGIT(*s) && *s != '0' && !isDIGIT(s[1]))
761 warn("\\%c better written as $%c", *s, *s);
765 if (lex_inwhat != OP_TRANS && *s && strchr("lLuUEQ", *s)) {
771 if (lex_inwhat == OP_TRANS) {
779 case '0': case '1': case '2': case '3':
780 case '4': case '5': case '6': case '7':
781 *d++ = scan_oct(s, 3, &len);
785 *d++ = scan_hex(++s, 2, &len);
823 SvCUR_set(sv, d - SvPVX(sv));
826 if (SvCUR(sv) + 5 < SvLEN(sv)) {
827 SvLEN_set(sv, SvCUR(sv) + 1);
828 Renew(SvPVX(sv), SvLEN(sv), char);
831 yylval.opval = (OP*)newSVOP(OP_CONST, 0, sv);
837 /* This is the one truly awful dwimmer necessary to conflate C and sed. */
844 if (*s == '-' && s[1] == '>' && (s[2] == '[' || s[2] == '{'))
846 if (*s != '{' && *s != '[')
851 /* In a pattern, so maybe we have {n,m}. */
868 /* On the other hand, maybe we have a character class */
871 if (*s == ']' || *s == '^')
874 int weight = 2; /* let's weigh the evidence */
876 unsigned char un_char = 0, last_un_char;
877 char *send = strchr(s,']');
880 if (!send) /* has to be an expression */
886 else if (isDIGIT(*s)) {
888 if (isDIGIT(s[1]) && s[2] == ']')
894 for (; s < send; s++) {
895 last_un_char = un_char;
896 un_char = (unsigned char)*s;
901 weight -= seen[un_char] * 10;
903 scan_ident(s,send,tmpbuf,FALSE);
904 if ((int)strlen(tmpbuf) > 1 && gv_fetchpv(tmpbuf,FALSE, SVt_PV))
909 else if (*s == '$' && s[1] &&
910 strchr("[#!%*<>()-=",s[1])) {
911 if (/*{*/ strchr("])} =",s[2]))
920 if (strchr("wds]",s[1]))
922 else if (seen['\''] || seen['"'])
924 else if (strchr("rnftbxcav",s[1]))
926 else if (isDIGIT(s[1])) {
928 while (s[1] && isDIGIT(s[1]))
938 if (strchr("aA01! ",last_un_char))
940 if (strchr("zZ79~",s[1]))
944 if (!isALNUM(last_un_char) && !strchr("$@&",last_un_char) &&
945 isALPHA(*s) && s[1] && isALPHA(s[1])) {
950 if (keyword(tmpbuf, d - tmpbuf))
953 if (un_char == last_un_char + 1)
955 weight -= seen[un_char];
960 if (weight >= 0) /* probably a character class */
968 intuit_method(start,gv)
972 char *s = start + (*start == '$');
983 s = scan_word(s, tmpbuf, TRUE, &len);
985 if (gv || last_lop_op == OP_PRINT || isUPPER(*tokenbuf))
990 return *s == '(' ? FUNCMETH : METHOD;
992 if (!keyword(tmpbuf, len)) {
993 indirgv = gv_fetchpv(tmpbuf,FALSE, SVt_PVCV);
994 if (indirgv && GvCV(indirgv))
996 /* filehandle or package name makes it a method */
997 if (!gv || GvIO(indirgv) || gv_stashpvn(tmpbuf, len, FALSE)) {
999 nextval[nexttoke].opval =
1000 (OP*)newSVOP(OP_CONST, 0,
1002 nextval[nexttoke].opval->op_private =
1007 return *s == '(' ? FUNCMETH : METHOD;
1017 char *pdb = getenv("PERL5DB");
1021 return "BEGIN { require 'perl5db.pl' }";
1027 /* Encoded script support. filter_add() effectively inserts a
1028 * 'pre-processing' function into the current source input stream.
1029 * Note that the filter function only applies to the current source file
1030 * (e.g., it will not affect files 'require'd or 'use'd by this one).
1032 * The datasv parameter (which may be NULL) can be used to pass
1033 * private data to this instance of the filter. The filter function
1034 * can recover the SV using the FILTER_DATA macro and use it to
1035 * store private buffers and state information.
1037 * The supplied datasv parameter is upgraded to a PVIO type
1038 * and the IoDIRP field is used to store the function pointer.
1039 * Note that IoTOP_NAME, IoFMT_NAME, IoBOTTOM_NAME, if set for
1040 * private use must be set using malloc'd pointers.
1042 static int filter_debug = 0;
1045 filter_add(funcp, datasv)
1049 if (!funcp){ /* temporary handy debugging hack to be deleted */
1050 filter_debug = atoi((char*)datasv);
1054 rsfp_filters = newAV();
1057 if (!SvUPGRADE(datasv, SVt_PVIO))
1058 die("Can't upgrade filter_add data to SVt_PVIO");
1059 IoDIRP(datasv) = (DIR*)funcp; /* stash funcp into spare field */
1061 warn("filter_add func %lx (%s)", funcp, SvPV(datasv,na));
1062 av_unshift(rsfp_filters, 1);
1063 av_store(rsfp_filters, 0, datasv) ;
1068 /* Delete most recently added instance of this filter function. */
1074 warn("filter_del func %lx", funcp);
1075 if (!rsfp_filters || AvFILL(rsfp_filters)<0)
1077 /* if filter is on top of stack (usual case) just pop it off */
1078 if (IoDIRP(FILTER_DATA(0)) == (void*)funcp){
1079 /* sv_free(av_pop(rsfp_filters)); */
1080 sv_free(av_shift(rsfp_filters));
1084 /* we need to search for the correct entry and clear it */
1085 die("filter_del can only delete in reverse order (currently)");
1089 /* Invoke the n'th filter function for the current rsfp. */
1091 filter_read(idx, buf_sv, maxlen)
1094 int maxlen; /* 0 = read one text line */
1101 if (idx > AvFILL(rsfp_filters)){ /* Any more filters? */
1102 /* Provide a default input filter to make life easy. */
1103 /* Note that we append to the line. This is handy. */
1105 warn("filter_read %d: from rsfp\n", idx);
1109 int old_len = SvCUR(buf_sv) ;
1111 /* ensure buf_sv is large enough */
1112 SvGROW(buf_sv, old_len + maxlen) ;
1113 if ((len = PerlIO_read(rsfp, SvPVX(buf_sv) + old_len, maxlen)) <= 0){
1114 if (PerlIO_error(rsfp))
1115 return -1; /* error */
1117 return 0 ; /* end of file */
1119 SvCUR_set(buf_sv, old_len + len) ;
1122 if (sv_gets(buf_sv, rsfp, SvCUR(buf_sv)) == NULL) {
1123 if (PerlIO_error(rsfp))
1124 return -1; /* error */
1126 return 0 ; /* end of file */
1129 return SvCUR(buf_sv);
1131 /* Skip this filter slot if filter has been deleted */
1132 if ( (datasv = FILTER_DATA(idx)) == &sv_undef){
1134 warn("filter_read %d: skipped (filter deleted)\n", idx);
1135 return FILTER_READ(idx+1, buf_sv, maxlen); /* recurse */
1137 /* Get function pointer hidden within datasv */
1138 funcp = (filter_t)IoDIRP(datasv);
1140 warn("filter_read %d: via function %lx (%s)\n",
1141 idx, funcp, SvPV(datasv,na));
1142 /* Call function. The function is expected to */
1143 /* call "FILTER_READ(idx+1, buf_sv)" first. */
1144 /* Return: <0:error, =0:eof, >0:not eof */
1145 return (*funcp)(idx, buf_sv, maxlen);
1151 register PerlIO *fp;
1155 SvCUR_set(sv, 0); /* start with empty line */
1156 if (FILTER_READ(0, sv, 0) > 0)
1157 return ( SvPVX(sv) ) ;
1162 return (sv_gets(sv, fp, 0)) ;
1168 static char* exp_name[] =
1169 { "OPERATOR", "TERM", "REF", "STATE", "BLOCK", "TERMBLOCK" };
1172 extern int yychar; /* last token */
1182 switch (lex_state) {
1184 case LEX_NORMAL: /* Some compilers will produce faster */
1185 case LEX_INTERPNORMAL: /* code if we comment these out. */
1191 yylval = nextval[nexttoke];
1193 lex_state = lex_defer;
1194 expect = lex_expect;
1195 lex_defer = LEX_NORMAL;
1197 return(nexttype[nexttoke]);
1199 case LEX_INTERPCASEMOD:
1201 if (bufptr != bufend && *bufptr != '\\')
1202 croak("panic: INTERPCASEMOD");
1204 if (bufptr == bufend || bufptr[1] == 'E') {
1207 oldmod = lex_casestack[--lex_casemods];
1208 lex_casestack[lex_casemods] = '\0';
1209 if (bufptr != bufend && strchr("LUQ", oldmod)) {
1211 lex_state = LEX_INTERPCONCAT;
1215 if (bufptr != bufend)
1217 lex_state = LEX_INTERPCONCAT;
1222 if (strnEQ(s, "L\\u", 3) || strnEQ(s, "U\\l", 3))
1223 tmp = *s, *s = s[2], s[2] = tmp; /* misordered... */
1224 if (strchr("LU", *s) &&
1225 (strchr(lex_casestack, 'L') || strchr(lex_casestack, 'U')))
1227 lex_casestack[--lex_casemods] = '\0';
1230 if (lex_casemods > 10) {
1231 char* newlb = Renew(lex_casestack, lex_casemods + 2, char);
1232 if (newlb != lex_casestack) {
1234 lex_casestack = newlb;
1237 lex_casestack[lex_casemods++] = *s;
1238 lex_casestack[lex_casemods] = '\0';
1239 lex_state = LEX_INTERPCONCAT;
1240 nextval[nexttoke].ival = 0;
1243 nextval[nexttoke].ival = OP_LCFIRST;
1245 nextval[nexttoke].ival = OP_UCFIRST;
1247 nextval[nexttoke].ival = OP_LC;
1249 nextval[nexttoke].ival = OP_UC;
1251 nextval[nexttoke].ival = OP_QUOTEMETA;
1253 croak("panic: yylex");
1265 case LEX_INTERPSTART:
1266 if (bufptr == bufend)
1267 return sublex_done();
1269 lex_dojoin = (*bufptr == '@');
1270 lex_state = LEX_INTERPNORMAL;
1272 nextval[nexttoke].ival = 0;
1274 force_ident("\"", '$');
1275 nextval[nexttoke].ival = 0;
1277 nextval[nexttoke].ival = 0;
1279 nextval[nexttoke].ival = OP_JOIN; /* emulate join($", ...) */
1290 case LEX_INTERPENDMAYBE:
1291 if (intuit_more(bufptr)) {
1292 lex_state = LEX_INTERPNORMAL; /* false alarm, more expr */
1300 lex_state = LEX_INTERPCONCAT;
1304 case LEX_INTERPCONCAT:
1307 croak("panic: INTERPCONCAT");
1309 if (bufptr == bufend)
1310 return sublex_done();
1312 if (SvIVX(linestr) == '\'') {
1313 SV *sv = newSVsv(linestr);
1316 yylval.opval = (OP*)newSVOP(OP_CONST, 0, sv);
1320 s = scan_const(bufptr);
1322 lex_state = LEX_INTERPCASEMOD;
1324 lex_state = LEX_INTERPSTART;
1328 nextval[nexttoke] = yylval;
1341 lex_state = LEX_NORMAL;
1342 s = scan_formline(bufptr);
1349 oldoldbufptr = oldbufptr;
1352 PerlIO_printf(PerlIO_stderr(), "### Tokener expecting %s at %s\n", exp_name[expect], s);
1358 warn("Unrecognized character \\%03o ignored", *s++ & 255);
1362 goto fake_eof; /* emulate EOF on ^D or ^Z */
1366 yyerror("Missing right bracket");
1370 goto retry; /* ignore stray nulls */
1373 if (!in_eval && !preambled) {
1375 sv_setpv(linestr,incl_perldb());
1377 sv_catpv(linestr,";");
1379 while(AvFILL(preambleav) >= 0) {
1380 SV *tmpsv = av_shift(preambleav);
1381 sv_catsv(linestr, tmpsv);
1382 sv_catpv(linestr, ";");
1385 sv_free((SV*)preambleav);
1388 if (minus_n || minus_p) {
1389 sv_catpv(linestr, "LINE: while (<>) {");
1391 sv_catpv(linestr,"chomp;");
1395 if ( splitstr[0] == '/' ||
1396 splitstr[0] == '\'' ||
1397 splitstr[0] == '"' )
1398 sprintf( tmpbuf1, "@F=split(%s);", splitstr );
1400 sprintf( tmpbuf1, "@F=split('%s');", splitstr );
1401 sv_catpv(linestr,tmpbuf1);
1404 sv_catpv(linestr,"@F=split(' ');");
1407 sv_catpv(linestr, "\n");
1408 oldoldbufptr = oldbufptr = s = SvPVX(linestr);
1409 bufend = SvPVX(linestr) + SvCUR(linestr);
1410 if (perldb && curstash != debstash) {
1411 SV *sv = NEWSV(85,0);
1413 sv_upgrade(sv, SVt_PVMG);
1414 sv_setsv(sv,linestr);
1415 av_store(GvAV(curcop->cop_filegv),(I32)curcop->cop_line,sv);
1420 if ((s = filter_gets(linestr, rsfp)) == Nullch) {
1423 if (preprocess && !in_eval)
1424 (void)my_pclose(rsfp);
1425 else if ((PerlIO *)rsfp == PerlIO_stdin())
1426 PerlIO_clearerr(rsfp);
1428 (void)PerlIO_close(rsfp);
1431 if (!in_eval && (minus_n || minus_p)) {
1432 sv_setpv(linestr,minus_p ? ";}continue{print" : "");
1433 sv_catpv(linestr,";}");
1434 oldoldbufptr = oldbufptr = s = SvPVX(linestr);
1435 bufend = SvPVX(linestr) + SvCUR(linestr);
1436 minus_n = minus_p = 0;
1439 oldoldbufptr = oldbufptr = s = SvPVX(linestr);
1440 sv_setpv(linestr,"");
1441 TOKEN(';'); /* not infinite loop because rsfp is NULL now */
1444 if (*s == '#' && s[1] == '!' && instr(s,"perl"))
1447 /* Incest with pod. */
1448 if (*s == '=' && strnEQ(s, "=cut", 4)) {
1449 sv_setpv(linestr, "");
1450 oldoldbufptr = oldbufptr = s = SvPVX(linestr);
1451 bufend = SvPVX(linestr) + SvCUR(linestr);
1456 } while (doextract);
1457 oldoldbufptr = oldbufptr = bufptr = s;
1458 if (perldb && curstash != debstash) {
1459 SV *sv = NEWSV(85,0);
1461 sv_upgrade(sv, SVt_PVMG);
1462 sv_setsv(sv,linestr);
1463 av_store(GvAV(curcop->cop_filegv),(I32)curcop->cop_line,sv);
1465 bufend = SvPVX(linestr) + SvCUR(linestr);
1466 if (curcop->cop_line == 1) {
1467 while (s < bufend && isSPACE(*s))
1469 if (*s == ':' && s[1] != ':') /* for csh execing sh scripts */
1471 if (!in_eval && *s == '#' && s[1] == '!') {
1472 d = instr(s,"perl -");
1474 d = instr(s,"perl");
1477 !instr(s,"indir") &&
1478 instr(origargv[0],"perl"))
1487 while (s < bufend && !isSPACE(*s))
1490 while (s < bufend && isSPACE(*s))
1493 Newz(899,newargv,origargc+3,char*);
1495 while (s < bufend && !isSPACE(*s))
1498 Copy(origargv+1, newargv+2, origargc+1, char*);
1504 croak("Can't exec %s", cmd);
1507 int oldpdb = perldb;
1511 while (*d && !isSPACE(*d)) d++;
1512 while (*d == ' ' || *d == '\t') d++;
1515 while (d = moreswitches(d)) ;
1516 if (perldb && !oldpdb ||
1517 ( minus_n || minus_p ) && !(oldn || oldp) )
1518 /* if we have already added "LINE: while (<>) {",
1519 we must not do it again */
1521 sv_setpv(linestr, "");
1522 oldoldbufptr = oldbufptr = s = SvPVX(linestr);
1523 bufend = SvPVX(linestr) + SvCUR(linestr);
1526 (void)gv_fetchfile(origfilename);
1533 if (lex_formbrack && lex_brackets <= lex_formbrack) {
1535 lex_state = LEX_FORMLINE;
1539 case ' ': case '\t': case '\f': case '\r': case 013:
1544 if (lex_state != LEX_NORMAL || (in_eval && !rsfp)) {
1546 while (s < d && *s != '\n')
1551 if (lex_formbrack && lex_brackets <= lex_formbrack) {
1553 lex_state = LEX_FORMLINE;
1563 if (s[1] && isALPHA(s[1]) && !isALNUM(s[2])) {
1568 while (s < bufend && (*s == ' ' || *s == '\t'))
1571 if (strnEQ(s,"=>",2)) {
1573 warn("Ambiguous use of -%c => resolved to \"-%c\" =>",
1575 s = force_word(bufptr,WORD,FALSE,FALSE,FALSE);
1576 OPERATOR('-'); /* unary minus */
1578 last_uni = oldbufptr;
1579 last_lop_op = OP_FTEREAD; /* good enough */
1581 case 'r': FTST(OP_FTEREAD);
1582 case 'w': FTST(OP_FTEWRITE);
1583 case 'x': FTST(OP_FTEEXEC);
1584 case 'o': FTST(OP_FTEOWNED);
1585 case 'R': FTST(OP_FTRREAD);
1586 case 'W': FTST(OP_FTRWRITE);
1587 case 'X': FTST(OP_FTREXEC);
1588 case 'O': FTST(OP_FTROWNED);
1589 case 'e': FTST(OP_FTIS);
1590 case 'z': FTST(OP_FTZERO);
1591 case 's': FTST(OP_FTSIZE);
1592 case 'f': FTST(OP_FTFILE);
1593 case 'd': FTST(OP_FTDIR);
1594 case 'l': FTST(OP_FTLINK);
1595 case 'p': FTST(OP_FTPIPE);
1596 case 'S': FTST(OP_FTSOCK);
1597 case 'u': FTST(OP_FTSUID);
1598 case 'g': FTST(OP_FTSGID);
1599 case 'k': FTST(OP_FTSVTX);
1600 case 'b': FTST(OP_FTBLK);
1601 case 'c': FTST(OP_FTCHR);
1602 case 't': FTST(OP_FTTTY);
1603 case 'T': FTST(OP_FTTEXT);
1604 case 'B': FTST(OP_FTBINARY);
1605 case 'M': gv_fetchpv("\024",TRUE, SVt_PV); FTST(OP_FTMTIME);
1606 case 'A': gv_fetchpv("\024",TRUE, SVt_PV); FTST(OP_FTATIME);
1607 case 'C': gv_fetchpv("\024",TRUE, SVt_PV); FTST(OP_FTCTIME);
1609 croak("Unrecognized file test: -%c", tmp);
1616 if (expect == XOPERATOR)
1621 else if (*s == '>') {
1624 if (isIDFIRST(*s)) {
1625 s = force_word(s,METHOD,FALSE,TRUE,FALSE);
1633 if (expect == XOPERATOR)
1636 if (isSPACE(*s) || !isSPACE(*bufptr))
1638 OPERATOR('-'); /* unary minus */
1645 if (expect == XOPERATOR)
1650 if (expect == XOPERATOR)
1653 if (isSPACE(*s) || !isSPACE(*bufptr))
1659 if (expect != XOPERATOR) {
1660 s = scan_ident(s, bufend, tokenbuf, TRUE);
1662 force_ident(tokenbuf, '*');
1675 if (expect != XOPERATOR) {
1676 s = scan_ident(s, bufend, tokenbuf + 1, TRUE);
1681 if (strchr(tokenbuf,':'))
1682 croak(no_myglob,tokenbuf);
1683 nextval[nexttoke].opval = newOP(OP_PADANY, 0);
1684 nextval[nexttoke].opval->op_targ = pad_allocmy(tokenbuf);
1685 force_next(PRIVATEREF);
1688 if (!strchr(tokenbuf,':')) {
1689 if (tmp = pad_findmy(tokenbuf)) {
1690 nextval[nexttoke].opval = newOP(OP_PADANY, 0);
1691 nextval[nexttoke].opval->op_targ = tmp;
1692 force_next(PRIVATEREF);
1696 force_ident(tokenbuf + 1, *tokenbuf);
1724 if (last_lop == oldoldbufptr || last_uni == oldoldbufptr)
1725 oldbufptr = oldoldbufptr; /* allow print(STDOUT 123) */
1730 if (curcop->cop_line < copline)
1731 copline = curcop->cop_line;
1742 if (lex_brackets <= 0)
1743 yyerror("Unmatched right bracket");
1746 if (lex_state == LEX_INTERPNORMAL) {
1747 if (lex_brackets == 0) {
1748 if (*s != '[' && *s != '{' && (*s != '-' || s[1] != '>'))
1749 lex_state = LEX_INTERPEND;
1756 if (lex_brackets > 100) {
1757 char* newlb = Renew(lex_brackstack, lex_brackets + 1, char);
1758 if (newlb != lex_brackstack) {
1760 lex_brackstack = newlb;
1765 if (lex_formbrack) {
1769 if (oldoldbufptr == last_lop)
1770 lex_brackstack[lex_brackets++] = XTERM;
1772 lex_brackstack[lex_brackets++] = XOPERATOR;
1773 OPERATOR(HASHBRACK);
1776 while (s < bufend && (*s == ' ' || *s == '\t'))
1778 if (s < bufend && (isALPHA(*s) || *s == '_')) {
1779 d = scan_word(s, tokenbuf, FALSE, &len);
1780 while (d < bufend && (*d == ' ' || *d == '\t'))
1784 (keyword(tokenbuf, len) ||
1785 perl_get_cv(tokenbuf, FALSE) ))
1786 warn("Ambiguous use of {%s} resolved to {\"%s\"}",
1787 tokenbuf, tokenbuf);
1788 s = force_word(s,WORD,FALSE,TRUE,FALSE);
1793 lex_brackstack[lex_brackets++] = XSTATE;
1797 lex_brackstack[lex_brackets++] = XOPERATOR;
1802 if (oldoldbufptr == last_lop)
1803 lex_brackstack[lex_brackets++] = XTERM;
1805 lex_brackstack[lex_brackets++] = XOPERATOR;
1808 OPERATOR(HASHBRACK);
1810 for (t = s; t < bufend && isALNUM(*t); t++) ;
1812 else if (*s == '\'' || *s == '"') {
1819 while (t < bufend && isSPACE(*t))
1821 if ((*t == ',' && !isLOWER(*s)) || (*t == '=' && t[1] == '>'))
1822 OPERATOR(HASHBRACK);
1826 lex_brackstack[lex_brackets-1] = XSTATE;
1832 yylval.ival = curcop->cop_line;
1833 if (isSPACE(*s) || *s == '#')
1834 copline = NOLINE; /* invalidate current command line number */
1839 if (lex_brackets <= 0)
1840 yyerror("Unmatched right bracket");
1842 expect = (expectation)lex_brackstack[--lex_brackets];
1843 if (lex_brackets < lex_formbrack)
1845 if (lex_state == LEX_INTERPNORMAL) {
1846 if (lex_brackets == 0) {
1847 if (lex_fakebrack) {
1848 lex_state = LEX_INTERPEND;
1850 return yylex(); /* ignore fake brackets */
1852 if (*s != '[' && *s != '{' && (*s != '-' || s[1] != '>'))
1853 lex_state = LEX_INTERPEND;
1856 if (lex_brackets < lex_fakebrack) {
1859 return yylex(); /* ignore fake brackets */
1869 if (expect == XOPERATOR) {
1870 if (dowarn && isALPHA(*s) && bufptr == SvPVX(linestr)) {
1878 s = scan_ident(s-1, bufend, tokenbuf, TRUE);
1881 force_ident(tokenbuf, '&');
1885 yylval.ival = (OPpENTERSUB_AMPER<<8);
1904 if (dowarn && tmp && isSPACE(*s) && strchr("+-*/%.^&|<",tmp))
1905 warn("Reversed %c= operator",tmp);
1907 if (expect == XSTATE && isALPHA(tmp) &&
1908 (s == SvPVX(linestr)+1 || s[-2] == '\n') )
1910 if (in_eval && !rsfp) {
1915 if (strnEQ(s,"=cut",4)) {
1932 if (lex_brackets < lex_formbrack) {
1934 for (t = s; *t == ' ' || *t == '\t'; t++) ;
1935 if (*t == '\n' || *t == '#') {
1953 if (expect != XOPERATOR) {
1954 if (s[1] != '<' && !strchr(s,'>'))
1957 s = scan_heredoc(s);
1959 s = scan_inputsymbol(s);
1960 TERM(sublex_start());
1965 SHop(OP_LEFT_SHIFT);
1979 SHop(OP_RIGHT_SHIFT);
1986 if (s[1] == '#' && (isALPHA(s[2]) || strchr("_{$:", s[2]))) {
1987 s = scan_ident(s+1, bufend, tokenbuf+1, FALSE);
1988 if (expect == XOPERATOR) {
1989 if (lex_formbrack && lex_brackets == lex_formbrack) {
1992 return ','; /* grandfather non-comma-format format */
1995 no_op("Array length",s);
1997 else if (!tokenbuf[1])
1999 if (!strchr(tokenbuf+1,':')) {
2001 if (tmp = pad_findmy(tokenbuf)) {
2002 nextval[nexttoke].opval = newOP(OP_PADANY, 0);
2003 nextval[nexttoke].opval->op_targ = tmp;
2005 force_next(PRIVATEREF);
2010 force_ident(tokenbuf+1, *tokenbuf);
2013 s = scan_ident(s, bufend, tokenbuf+1, FALSE);
2014 if (expect == XOPERATOR) {
2015 if (lex_formbrack && lex_brackets == lex_formbrack) {
2018 return ','; /* grandfather non-comma-format format */
2024 expectation oldexpect = expect;
2026 /* This kludge not intended to be bulletproof. */
2027 if (tokenbuf[1] == '[' && !tokenbuf[2]) {
2028 yylval.opval = newSVOP(OP_CONST, 0,
2029 newSViv((IV)compiling.cop_arybase));
2030 yylval.opval->op_private = OPpCONST_ARYBASE;
2036 if (*s == '[' && oldexpect != XREF) {
2037 for (t = s+1; isSPACE(*t) || isALNUM(*t) || *t == '$'; t++) ;
2039 bufptr = skipspace(bufptr);
2040 while (t < bufend && *t != ']') t++;
2041 warn("Multidimensional syntax %.*s not supported",
2042 t-bufptr+1, bufptr);
2045 if (*s == '{' && strEQ(tokenbuf, "$SIG") &&
2046 (t = strchr(s,'}')) && (t = strchr(t,'='))) {
2049 for (t++; isSPACE(*t); t++) ;
2050 if (isIDFIRST(*t)) {
2051 t = scan_word(t, tmpbuf, TRUE, &len);
2052 if (*t != '(' && perl_get_cv(tmpbuf, FALSE))
2053 warn("You need to quote \"%s\"", tmpbuf);
2058 if (lex_state == LEX_NORMAL && isSPACE(*s)) {
2059 bool islop = (last_lop == oldoldbufptr);
2061 if (!islop || last_lop_op == OP_GREPSTART)
2063 else if (strchr("$@\"'`q", *s))
2064 expect = XTERM; /* e.g. print $fh "foo" */
2065 else if (strchr("&*<%", *s) && isIDFIRST(s[1]))
2066 expect = XTERM; /* e.g. print $fh &sub */
2067 else if (isDIGIT(*s))
2068 expect = XTERM; /* e.g. print $fh 3 */
2069 else if (*s == '.' && isDIGIT(s[1]))
2070 expect = XTERM; /* e.g. print $fh .3 */
2071 else if (strchr("/?-+", *s) && !isSPACE(s[1]))
2072 expect = XTERM; /* e.g. print $fh -1 */
2073 else if (*s == '<' && s[1] == '<' && !isSPACE(s[2]))
2074 expect = XTERM; /* print $fh <<"EOF" */
2077 if (strchr(tokenbuf,':'))
2078 croak(no_myglob,tokenbuf);
2079 nextval[nexttoke].opval = newOP(OP_PADANY, 0);
2080 nextval[nexttoke].opval->op_targ = pad_allocmy(tokenbuf);
2081 force_next(PRIVATEREF);
2083 else if (!strchr(tokenbuf,':')) {
2084 if (oldexpect != XREF || oldoldbufptr == last_lop) {
2085 if (intuit_more(s)) {
2092 if (tmp = pad_findmy(tokenbuf)) {
2093 if (!tokenbuf[2] && *tokenbuf =='$' &&
2094 tokenbuf[1] <= 'b' && tokenbuf[1] >= 'a')
2096 for (d = in_eval ? oldoldbufptr : SvPVX(linestr);
2097 d < bufend && *d != '\n';
2100 if (strnEQ(d,"<=>",3) || strnEQ(d,"cmp",3)) {
2101 croak("Can't use \"my %s\" in sort comparison",
2106 nextval[nexttoke].opval = newOP(OP_PADANY, 0);
2107 nextval[nexttoke].opval->op_targ = tmp;
2108 force_next(PRIVATEREF);
2111 force_ident(tokenbuf+1, *tokenbuf);
2114 force_ident(tokenbuf+1, *tokenbuf);
2118 yyerror("Final $ should be \\$ or $name");
2124 s = scan_ident(s, bufend, tokenbuf+1, FALSE);
2125 if (expect == XOPERATOR)
2133 if (strchr(tokenbuf,':'))
2134 croak(no_myglob,tokenbuf);
2135 nextval[nexttoke].opval = newOP(OP_PADANY, 0);
2136 nextval[nexttoke].opval->op_targ = pad_allocmy(tokenbuf);
2137 force_next(PRIVATEREF);
2140 else if (!strchr(tokenbuf,':')) {
2141 if (intuit_more(s)) {
2145 if (tmp = pad_findmy(tokenbuf)) {
2146 nextval[nexttoke].opval = newOP(OP_PADANY, 0);
2147 nextval[nexttoke].opval->op_targ = tmp;
2148 force_next(PRIVATEREF);
2153 /* Force them to make up their mind on "@foo". */
2154 if (lex_state != LEX_NORMAL && !lex_brackets &&
2155 ( !(gv = gv_fetchpv(tokenbuf+1, FALSE, SVt_PVAV)) ||
2161 sprintf(tmpbuf, "Literal @%s now requires backslash",tokenbuf+1);
2165 /* Warn about @ where they meant $. */
2167 if (*s == '[' || *s == '{') {
2169 while (*t && (isALNUM(*t) || strchr(" \t$#+-'\"", *t)))
2171 if (*t == '}' || *t == ']') {
2173 bufptr = skipspace(bufptr);
2174 warn("Scalar value %.*s better written as $%.*s",
2175 t-bufptr, bufptr, t-bufptr-1, bufptr+1);
2179 force_ident(tokenbuf+1, *tokenbuf);
2183 yyerror("Final @ should be \\@ or @name");
2188 case '/': /* may either be division or pattern */
2189 case '?': /* may either be conditional or pattern */
2190 if (expect != XOPERATOR) {
2193 TERM(sublex_start());
2201 if (lex_formbrack && lex_brackets == lex_formbrack && s[1] == '\n' &&
2202 (s == SvPVX(linestr) || s[-1] == '\n') ) {
2207 if (expect == XOPERATOR || !isDIGIT(s[1])) {
2213 yylval.ival = OPf_SPECIAL;
2219 if (expect != XOPERATOR)
2224 case '0': case '1': case '2': case '3': case '4':
2225 case '5': case '6': case '7': case '8': case '9':
2227 if (expect == XOPERATOR)
2233 if (expect == XOPERATOR) {
2234 if (lex_formbrack && lex_brackets == lex_formbrack) {
2237 return ','; /* grandfather non-comma-format format */
2243 missingterm((char*)0);
2244 yylval.ival = OP_CONST;
2245 TERM(sublex_start());
2249 if (expect == XOPERATOR) {
2250 if (lex_formbrack && lex_brackets == lex_formbrack) {
2253 return ','; /* grandfather non-comma-format format */
2259 missingterm((char*)0);
2260 yylval.ival = OP_CONST;
2261 for (d = SvPV(lex_stuff, len); len; len--, d++) {
2262 if (*d == '$' || *d == '@' || *d == '\\') {
2263 yylval.ival = OP_STRINGIFY;
2267 TERM(sublex_start());
2271 if (expect == XOPERATOR)
2272 no_op("Backticks",s);
2274 missingterm((char*)0);
2275 yylval.ival = OP_BACKTICK;
2277 TERM(sublex_start());
2281 if (dowarn && lex_inwhat && isDIGIT(*s))
2282 warn("Can't use \\%c to mean $%c in expression", *s, *s);
2283 if (expect == XOPERATOR)
2284 no_op("Backslash",s);
2288 if (isDIGIT(s[1]) && expect == XOPERATOR) {
2324 s = scan_word(s, tokenbuf, FALSE, &len);
2326 if (*s == ':' && s[1] == ':' && strNE(tokenbuf, "CORE"))
2329 tmp = keyword(tokenbuf, len);
2331 /* Is this a word before a => operator? */
2333 while (d < bufend && (*d == ' ' || *d == '\t'))
2334 d++; /* no comments skipped here, or s### is misparsed */
2335 if (strnEQ(d,"=>",2)) {
2337 if (dowarn && (tmp || perl_get_cv(tokenbuf, FALSE)))
2338 warn("Ambiguous use of %s => resolved to \"%s\" =>",
2339 tokenbuf, tokenbuf);
2340 yylval.opval = (OP*)newSVOP(OP_CONST, 0, newSVpv(tokenbuf,0));
2341 yylval.opval->op_private = OPpCONST_BARE;
2345 if (tmp < 0) { /* second-class keyword? */
2347 if (expect != XOPERATOR &&
2348 (*s != ':' || s[1] != ':') &&
2349 (gv = gv_fetchpv(tokenbuf, FALSE, SVt_PVCV)) &&
2361 default: /* not a keyword */
2364 char lastchar = (bufptr == oldoldbufptr ? 0 : bufptr[-1]);
2366 /* Get the rest if it looks like a package qualifier */
2368 if (*s == '\'' || *s == ':' && s[1] == ':') {
2369 s = scan_word(s, tokenbuf + len, TRUE, &len);
2371 croak("Bad name after %s::", tokenbuf);
2374 /* Do special processing at start of statement. */
2376 if (expect == XSTATE) {
2377 while (isSPACE(*s)) s++;
2378 if (*s == ':') { /* It's a label. */
2379 yylval.pval = savepv(tokenbuf);
2385 else if (expect == XOPERATOR) {
2386 if (bufptr == SvPVX(linestr)) {
2392 no_op("Bare word",s);
2395 /* Look for a subroutine with this name in current package. */
2397 gv = gv_fetchpv(tokenbuf,FALSE, SVt_PVCV);
2399 /* Presume this is going to be a bareword of some sort. */
2402 yylval.opval = (OP*)newSVOP(OP_CONST, 0, newSVpv(tokenbuf,0));
2403 yylval.opval->op_private = OPpCONST_BARE;
2405 /* See if it's the indirect object for a list operator. */
2408 oldoldbufptr < bufptr &&
2409 (oldoldbufptr == last_lop || oldoldbufptr == last_uni) &&
2410 /* NO SKIPSPACE BEFORE HERE! */
2412 (opargs[last_lop_op] >> OASHIFT & 7) == OA_FILEREF) )
2414 bool immediate_paren = *s == '(';
2416 /* (Now we can afford to cross potential line boundary.) */
2419 /* Two barewords in a row may indicate method call. */
2421 if ((isALPHA(*s) || *s == '$') && (tmp=intuit_method(s,gv)))
2424 /* If not a declared subroutine, it's an indirect object. */
2425 /* (But it's an indir obj regardless for sort.) */
2427 if ((last_lop_op == OP_SORT ||
2428 (!immediate_paren && (!gv || !GvCV(gv))) ) &&
2429 (last_lop_op != OP_MAPSTART && last_lop_op != OP_GREPSTART)){
2430 expect = (last_lop == oldoldbufptr) ? XTERM : XOPERATOR;
2435 /* If followed by a paren, it's certainly a subroutine. */
2441 nextval[nexttoke].opval = yylval.opval;
2448 /* If followed by var or block, call it a method (unless sub) */
2450 if ((*s == '$' || *s == '{') && (!gv || !GvCV(gv))) {
2451 last_lop = oldbufptr;
2452 last_lop_op = OP_METHOD;
2456 /* If followed by a bareword, see if it looks like indir obj. */
2458 if ((isALPHA(*s) || *s == '$') && (tmp = intuit_method(s,gv)))
2461 /* Not a method, so call it a subroutine (if defined) */
2463 if (gv && GvCV(gv)) {
2466 nextval[nexttoke].opval = yylval.opval;
2472 if (lastchar == '-')
2473 warn("Ambiguous use of -%s resolved as -&%s()",
2474 tokenbuf, tokenbuf);
2475 last_lop = oldbufptr;
2476 last_lop_op = OP_ENTERSUB;
2477 /* Check for a constant sub */
2479 SV *sv = cv_const_sv(cv);
2481 SvREFCNT_dec(((SVOP*)yylval.opval)->op_sv);
2482 ((SVOP*)yylval.opval)->op_sv = SvREFCNT_inc(sv);
2483 yylval.opval->op_private = 0;
2488 /* Resolve to GV now. */
2489 op_free(yylval.opval);
2490 yylval.opval = newCVREF(0, newGVOP(OP_GV, 0, gv));
2491 /* Is there a prototype? */
2494 char *proto = SvPV((SV*)cv, len);
2497 if (strEQ(proto, "$"))
2499 if (*proto == '&' && *s == '{') {
2500 sv_setpv(subname,"__ANON__");
2504 nextval[nexttoke].opval = yylval.opval;
2510 if (hints & HINT_STRICT_SUBS &&
2513 last_lop_op != OP_ACCEPT &&
2514 last_lop_op != OP_PIPE_OP &&
2515 last_lop_op != OP_SOCKPAIR)
2518 "Bareword \"%s\" not allowed while \"strict subs\" in use",
2523 /* Call it a bare word */
2527 if (lastchar != '-') {
2528 for (d = tokenbuf; *d && isLOWER(*d); d++) ;
2530 warn(warn_reserved, tokenbuf);
2533 if (lastchar && strchr("*%&", lastchar)) {
2534 warn("Operator or semicolon missing before %c%s",
2535 lastchar, tokenbuf);
2536 warn("Ambiguous use of %c resolved as operator %c",
2537 lastchar, lastchar);
2543 case KEY___FILE__: {
2544 if (tokenbuf[2] == 'L')
2545 (void)sprintf(tokenbuf,"%ld",(long)curcop->cop_line);
2547 strcpy(tokenbuf, SvPVX(GvSV(curcop->cop_filegv)));
2548 yylval.opval = (OP*)newSVOP(OP_CONST, 0, newSVpv(tokenbuf,0));
2557 if (rsfp && (!in_eval || tokenbuf[2] == 'D')) {
2559 char *pname = "main";
2560 if (tokenbuf[2] == 'D')
2561 pname = HvNAME(curstash ? curstash : defstash);
2562 sprintf(dname,"%s::DATA", pname);
2563 gv = gv_fetchpv(dname,TRUE, SVt_PVIO);
2566 GvIOp(gv) = newIO();
2567 IoIFP(GvIOp(gv)) = rsfp;
2568 #if defined(HAS_FCNTL) && defined(F_SETFD)
2570 int fd = PerlIO_fileno(rsfp);
2571 fcntl(fd,F_SETFD,fd >= 3);
2575 IoTYPE(GvIOp(gv)) = '|';
2576 else if ((PerlIO*)rsfp == PerlIO_stdin())
2577 IoTYPE(GvIOp(gv)) = '-';
2579 IoTYPE(GvIOp(gv)) = '<';
2589 if (expect == XSTATE) {
2596 if (*s == ':' && s[1] == ':') {
2599 s = scan_word(s, tokenbuf, FALSE, &len);
2600 tmp = keyword(tokenbuf, len);
2614 LOP(OP_ACCEPT,XTERM);
2620 LOP(OP_ATAN2,XTERM);
2629 LOP(OP_BLESS,XTERM);
2638 (void)gv_fetchpv("ENV",TRUE, SVt_PVHV); /* may use HOME */
2658 LOP(OP_CRYPT,XTERM);
2662 for (d = s; d < bufend && (isSPACE(*d) || *d == '('); d++) ;
2663 if (*d != '0' && isDIGIT(*d))
2664 yywarn("chmod: mode argument is missing initial 0");
2666 LOP(OP_CHMOD,XTERM);
2669 LOP(OP_CHOWN,XTERM);
2672 LOP(OP_CONNECT,XTERM);
2688 s = force_word(s,WORD,FALSE,TRUE,FALSE);
2692 hints |= HINT_BLOCK_SCOPE;
2702 gv_fetchpv("AnyDBM_File::ISA", GV_ADDMULTI, SVt_PVAV);
2703 LOP(OP_DBMOPEN,XTERM);
2709 s = force_word(s,WORD,TRUE,FALSE,FALSE);
2716 yylval.ival = curcop->cop_line;
2730 expect = (*s == '{') ? XTERMBLOCK : XTERM;
2731 UNIBRACK(OP_ENTEREVAL);
2746 case KEY_endhostent:
2752 case KEY_endservent:
2755 case KEY_endprotoent:
2766 yylval.ival = curcop->cop_line;
2767 while (s < bufend && isSPACE(*s))
2770 croak("Missing $ on loop variable");
2774 LOP(OP_FORMLINE,XTERM);
2780 LOP(OP_FCNTL,XTERM);
2786 LOP(OP_FLOCK,XTERM);
2795 LOP(OP_GREPSTART, *s == '(' ? XTERM : XREF);
2798 s = force_word(s,WORD,TRUE,FALSE,FALSE);
2813 case KEY_getpriority:
2814 LOP(OP_GETPRIORITY,XTERM);
2816 case KEY_getprotobyname:
2819 case KEY_getprotobynumber:
2820 LOP(OP_GPBYNUMBER,XTERM);
2822 case KEY_getprotoent:
2834 case KEY_getpeername:
2835 UNI(OP_GETPEERNAME);
2837 case KEY_gethostbyname:
2840 case KEY_gethostbyaddr:
2841 LOP(OP_GHBYADDR,XTERM);
2843 case KEY_gethostent:
2846 case KEY_getnetbyname:
2849 case KEY_getnetbyaddr:
2850 LOP(OP_GNBYADDR,XTERM);
2855 case KEY_getservbyname:
2856 LOP(OP_GSBYNAME,XTERM);
2858 case KEY_getservbyport:
2859 LOP(OP_GSBYPORT,XTERM);
2861 case KEY_getservent:
2864 case KEY_getsockname:
2865 UNI(OP_GETSOCKNAME);
2867 case KEY_getsockopt:
2868 LOP(OP_GSOCKOPT,XTERM);
2890 yylval.ival = curcop->cop_line;
2894 LOP(OP_INDEX,XTERM);
2900 LOP(OP_IOCTL,XTERM);
2912 s = force_word(s,WORD,TRUE,FALSE,FALSE);
2944 LOP(OP_LISTEN,XTERM);
2951 TERM(sublex_start());
2954 LOP(OP_MAPSTART,XREF);
2957 LOP(OP_MKDIR,XTERM);
2960 LOP(OP_MSGCTL,XTERM);
2963 LOP(OP_MSGGET,XTERM);
2966 LOP(OP_MSGRCV,XTERM);
2969 LOP(OP_MSGSND,XTERM);
2977 s = force_word(s,WORD,TRUE,FALSE,FALSE);
2984 if (expect != XSTATE)
2985 yyerror("\"no\" not allowed in expression");
2986 s = force_word(s,WORD,FALSE,TRUE,FALSE);
2987 s = force_version(s);
2996 if (isIDFIRST(*s)) {
2998 for (d = s; isALNUM(*d); d++) ;
3000 if (strchr("|&*+-=!?:.", *t))
3001 warn("Precedence problem: open %.*s should be open(%.*s)",
3007 yylval.ival = OP_OR;
3017 LOP(OP_OPEN_DIR,XTERM);
3020 checkcomma(s,tokenbuf,"filehandle");
3024 checkcomma(s,tokenbuf,"filehandle");
3043 s = force_word(s,WORD,FALSE,TRUE,FALSE);
3047 LOP(OP_PIPE_OP,XTERM);
3052 missingterm((char*)0);
3053 yylval.ival = OP_CONST;
3054 TERM(sublex_start());
3062 missingterm((char*)0);
3064 nextval[nexttoke].opval = (OP*)newSVOP(OP_CONST, 0, q(lex_stuff));
3068 nextval[nexttoke].opval = (OP*)newSVOP(OP_CONST, 0, newSVpv(" ",1));
3071 yylval.ival = OP_SPLIT;
3075 last_lop = oldbufptr;
3076 last_lop_op = OP_SPLIT;
3082 missingterm((char*)0);
3083 yylval.ival = OP_STRINGIFY;
3084 if (SvIVX(lex_stuff) == '\'')
3085 SvIVX(lex_stuff) = 0; /* qq'$foo' should intepolate */
3086 TERM(sublex_start());
3091 missingterm((char*)0);
3092 yylval.ival = OP_BACKTICK;
3094 TERM(sublex_start());
3101 s = force_word(s,WORD,TRUE,TRUE,FALSE);
3102 if (isIDFIRST(*tokenbuf))
3103 gv_stashpvn(tokenbuf, strlen(tokenbuf), TRUE);
3105 yyerror("<> should be quotes");
3112 s = force_word(s,WORD,TRUE,FALSE,FALSE);
3116 LOP(OP_RENAME,XTERM);
3125 LOP(OP_RINDEX,XTERM);
3148 LOP(OP_REVERSE,XTERM);
3159 TERM(sublex_start());
3161 TOKEN(1); /* force error */
3170 LOP(OP_SELECT,XTERM);
3176 LOP(OP_SEMCTL,XTERM);
3179 LOP(OP_SEMGET,XTERM);
3182 LOP(OP_SEMOP,XTERM);
3188 LOP(OP_SETPGRP,XTERM);
3190 case KEY_setpriority:
3191 LOP(OP_SETPRIORITY,XTERM);
3193 case KEY_sethostent:
3199 case KEY_setservent:
3202 case KEY_setprotoent:
3212 LOP(OP_SEEKDIR,XTERM);
3214 case KEY_setsockopt:
3215 LOP(OP_SSOCKOPT,XTERM);
3221 LOP(OP_SHMCTL,XTERM);
3224 LOP(OP_SHMGET,XTERM);
3227 LOP(OP_SHMREAD,XTERM);
3230 LOP(OP_SHMWRITE,XTERM);
3233 LOP(OP_SHUTDOWN,XTERM);
3242 LOP(OP_SOCKET,XTERM);
3244 case KEY_socketpair:
3245 LOP(OP_SOCKPAIR,XTERM);
3248 checkcomma(s,tokenbuf,"subroutine name");
3250 if (*s == ';' || *s == ')') /* probably a close */
3251 croak("sort is now a reserved word");
3253 s = force_word(s,WORD,TRUE,TRUE,TRUE);
3257 LOP(OP_SPLIT,XTERM);
3260 LOP(OP_SPRINTF,XTERM);
3263 LOP(OP_SPLICE,XTERM);
3279 LOP(OP_SUBSTR,XTERM);
3286 if (isIDFIRST(*s) || *s == '\'' || *s == ':') {
3289 d = scan_word(s, tmpbuf, TRUE, &len);
3290 if (strchr(tmpbuf, ':'))
3291 sv_setpv(subname, tmpbuf);
3293 sv_setsv(subname,curstname);
3294 sv_catpvn(subname,"::",2);
3295 sv_catpvn(subname,tmpbuf,len);
3297 s = force_word(s,WORD,FALSE,TRUE,TRUE);
3301 expect = XTERMBLOCK;
3302 sv_setpv(subname,"?");
3305 if (tmp == KEY_format) {
3308 lex_formbrack = lex_brackets + 1;
3312 /* Look for a prototype */
3317 SvREFCNT_dec(lex_stuff);
3319 croak("Prototype not terminated");
3322 nextval[1] = nextval[0];
3323 nexttype[1] = nexttype[0];
3324 nextval[0].opval = (OP*)newSVOP(OP_CONST, 0, lex_stuff);
3325 nexttype[0] = THING;
3326 if (nexttoke == 1) {
3327 lex_defer = lex_state;
3328 lex_expect = expect;
3329 lex_state = LEX_KNOWNEXT;
3334 if (*SvPV(subname,na) == '?') {
3335 sv_setpv(subname,"__ANON__");
3342 LOP(OP_SYSTEM,XREF);
3345 LOP(OP_SYMLINK,XTERM);
3348 LOP(OP_SYSCALL,XTERM);
3351 LOP(OP_SYSOPEN,XTERM);
3354 LOP(OP_SYSREAD,XTERM);
3357 LOP(OP_SYSWRITE,XTERM);
3361 TERM(sublex_start());
3382 LOP(OP_TRUNCATE,XTERM);
3394 yylval.ival = curcop->cop_line;
3398 yylval.ival = curcop->cop_line;
3402 LOP(OP_UNLINK,XTERM);
3408 LOP(OP_UNPACK,XTERM);
3411 LOP(OP_UTIME,XTERM);
3415 for (d = s; d < bufend && (isSPACE(*d) || *d == '('); d++) ;
3416 if (*d != '0' && isDIGIT(*d))
3417 yywarn("umask: argument is missing initial 0");
3422 LOP(OP_UNSHIFT,XTERM);
3425 if (expect != XSTATE)
3426 yyerror("\"use\" not allowed in expression");
3429 s = force_version(s);
3430 if(*s == ';' || (s = skipspace(s), *s == ';')) {
3431 nextval[nexttoke].opval = Nullop;
3436 s = force_word(s,WORD,FALSE,TRUE,FALSE);
3437 s = force_version(s);
3450 yylval.ival = curcop->cop_line;
3454 hints |= HINT_BLOCK_SCOPE;
3461 LOP(OP_WAITPID,XTERM);
3467 gv_fetchpv("\f",TRUE, SVt_PV); /* Make sure $^L is defined */
3471 if (expect == XOPERATOR)
3477 yylval.ival = OP_XOR;
3482 TERM(sublex_start());
3495 if (strEQ(d,"__LINE__")) return -KEY___LINE__;
3496 if (strEQ(d,"__FILE__")) return -KEY___FILE__;
3497 if (strEQ(d,"__DATA__")) return KEY___DATA__;
3498 if (strEQ(d,"__END__")) return KEY___END__;
3502 if (strEQ(d,"AUTOLOAD")) return KEY_AUTOLOAD;
3507 if (strEQ(d,"and")) return -KEY_and;
3508 if (strEQ(d,"abs")) return -KEY_abs;
3511 if (strEQ(d,"alarm")) return -KEY_alarm;
3512 if (strEQ(d,"atan2")) return -KEY_atan2;
3515 if (strEQ(d,"accept")) return -KEY_accept;
3520 if (strEQ(d,"BEGIN")) return KEY_BEGIN;
3523 if (strEQ(d,"bless")) return -KEY_bless;
3524 if (strEQ(d,"bind")) return -KEY_bind;
3525 if (strEQ(d,"binmode")) return -KEY_binmode;
3528 if (strEQ(d,"CORE")) return -KEY_CORE;
3533 if (strEQ(d,"cmp")) return -KEY_cmp;
3534 if (strEQ(d,"chr")) return -KEY_chr;
3535 if (strEQ(d,"cos")) return -KEY_cos;
3538 if (strEQ(d,"chop")) return KEY_chop;
3541 if (strEQ(d,"close")) return -KEY_close;
3542 if (strEQ(d,"chdir")) return -KEY_chdir;
3543 if (strEQ(d,"chomp")) return KEY_chomp;
3544 if (strEQ(d,"chmod")) return -KEY_chmod;
3545 if (strEQ(d,"chown")) return -KEY_chown;
3546 if (strEQ(d,"crypt")) return -KEY_crypt;
3549 if (strEQ(d,"chroot")) return -KEY_chroot;
3550 if (strEQ(d,"caller")) return -KEY_caller;
3553 if (strEQ(d,"connect")) return -KEY_connect;
3556 if (strEQ(d,"closedir")) return -KEY_closedir;
3557 if (strEQ(d,"continue")) return -KEY_continue;
3562 if (strEQ(d,"DESTROY")) return KEY_DESTROY;
3567 if (strEQ(d,"do")) return KEY_do;
3570 if (strEQ(d,"die")) return -KEY_die;
3573 if (strEQ(d,"dump")) return -KEY_dump;
3576 if (strEQ(d,"delete")) return KEY_delete;
3579 if (strEQ(d,"defined")) return KEY_defined;
3580 if (strEQ(d,"dbmopen")) return -KEY_dbmopen;
3583 if (strEQ(d,"dbmclose")) return -KEY_dbmclose;
3588 if (strEQ(d,"EQ")) { deprecate(d); return -KEY_eq;}
3589 if (strEQ(d,"END")) return KEY_END;
3594 if (strEQ(d,"eq")) return -KEY_eq;
3597 if (strEQ(d,"eof")) return -KEY_eof;
3598 if (strEQ(d,"exp")) return -KEY_exp;
3601 if (strEQ(d,"else")) return KEY_else;
3602 if (strEQ(d,"exit")) return -KEY_exit;
3603 if (strEQ(d,"eval")) return KEY_eval;
3604 if (strEQ(d,"exec")) return -KEY_exec;
3605 if (strEQ(d,"each")) return KEY_each;
3608 if (strEQ(d,"elsif")) return KEY_elsif;
3611 if (strEQ(d,"exists")) return KEY_exists;
3612 if (strEQ(d,"elseif")) warn("elseif should be elsif");
3615 if (strEQ(d,"endgrent")) return -KEY_endgrent;
3616 if (strEQ(d,"endpwent")) return -KEY_endpwent;
3619 if (strEQ(d,"endnetent")) return -KEY_endnetent;
3622 if (strEQ(d,"endhostent")) return -KEY_endhostent;
3623 if (strEQ(d,"endservent")) return -KEY_endservent;
3626 if (strEQ(d,"endprotoent")) return -KEY_endprotoent;
3633 if (strEQ(d,"for")) return KEY_for;
3636 if (strEQ(d,"fork")) return -KEY_fork;
3639 if (strEQ(d,"fcntl")) return -KEY_fcntl;
3640 if (strEQ(d,"flock")) return -KEY_flock;
3643 if (strEQ(d,"format")) return KEY_format;
3644 if (strEQ(d,"fileno")) return -KEY_fileno;
3647 if (strEQ(d,"foreach")) return KEY_foreach;
3650 if (strEQ(d,"formline")) return -KEY_formline;
3656 if (strEQ(d,"GT")) { deprecate(d); return -KEY_gt;}
3657 if (strEQ(d,"GE")) { deprecate(d); return -KEY_ge;}
3661 if (strnEQ(d,"get",3)) {
3666 if (strEQ(d,"ppid")) return -KEY_getppid;
3667 if (strEQ(d,"pgrp")) return -KEY_getpgrp;
3670 if (strEQ(d,"pwent")) return -KEY_getpwent;
3671 if (strEQ(d,"pwnam")) return -KEY_getpwnam;
3672 if (strEQ(d,"pwuid")) return -KEY_getpwuid;
3675 if (strEQ(d,"peername")) return -KEY_getpeername;
3676 if (strEQ(d,"protoent")) return -KEY_getprotoent;
3677 if (strEQ(d,"priority")) return -KEY_getpriority;
3680 if (strEQ(d,"protobyname")) return -KEY_getprotobyname;
3683 if (strEQ(d,"protobynumber"))return -KEY_getprotobynumber;
3687 else if (*d == 'h') {
3688 if (strEQ(d,"hostbyname")) return -KEY_gethostbyname;
3689 if (strEQ(d,"hostbyaddr")) return -KEY_gethostbyaddr;
3690 if (strEQ(d,"hostent")) return -KEY_gethostent;
3692 else if (*d == 'n') {
3693 if (strEQ(d,"netbyname")) return -KEY_getnetbyname;
3694 if (strEQ(d,"netbyaddr")) return -KEY_getnetbyaddr;
3695 if (strEQ(d,"netent")) return -KEY_getnetent;
3697 else if (*d == 's') {
3698 if (strEQ(d,"servbyname")) return -KEY_getservbyname;
3699 if (strEQ(d,"servbyport")) return -KEY_getservbyport;
3700 if (strEQ(d,"servent")) return -KEY_getservent;
3701 if (strEQ(d,"sockname")) return -KEY_getsockname;
3702 if (strEQ(d,"sockopt")) return -KEY_getsockopt;
3704 else if (*d == 'g') {
3705 if (strEQ(d,"grent")) return -KEY_getgrent;
3706 if (strEQ(d,"grnam")) return -KEY_getgrnam;
3707 if (strEQ(d,"grgid")) return -KEY_getgrgid;
3709 else if (*d == 'l') {
3710 if (strEQ(d,"login")) return -KEY_getlogin;
3712 else if (strEQ(d,"c")) return -KEY_getc;
3717 if (strEQ(d,"gt")) return -KEY_gt;
3718 if (strEQ(d,"ge")) return -KEY_ge;
3721 if (strEQ(d,"grep")) return KEY_grep;
3722 if (strEQ(d,"goto")) return KEY_goto;
3723 if (strEQ(d,"glob")) return -KEY_glob;
3726 if (strEQ(d,"gmtime")) return -KEY_gmtime;
3731 if (strEQ(d,"hex")) return -KEY_hex;
3736 if (strEQ(d,"if")) return KEY_if;
3739 if (strEQ(d,"int")) return -KEY_int;
3742 if (strEQ(d,"index")) return -KEY_index;
3743 if (strEQ(d,"ioctl")) return -KEY_ioctl;
3748 if (strEQ(d,"join")) return -KEY_join;
3752 if (strEQ(d,"keys")) return KEY_keys;
3753 if (strEQ(d,"kill")) return -KEY_kill;
3758 if (strEQ(d,"LT")) { deprecate(d); return -KEY_lt;}
3759 if (strEQ(d,"LE")) { deprecate(d); return -KEY_le;}
3765 if (strEQ(d,"lt")) return -KEY_lt;
3766 if (strEQ(d,"le")) return -KEY_le;
3767 if (strEQ(d,"lc")) return -KEY_lc;
3770 if (strEQ(d,"log")) return -KEY_log;
3773 if (strEQ(d,"last")) return KEY_last;
3774 if (strEQ(d,"link")) return -KEY_link;
3777 if (strEQ(d,"local")) return KEY_local;
3778 if (strEQ(d,"lstat")) return -KEY_lstat;
3781 if (strEQ(d,"length")) return -KEY_length;
3782 if (strEQ(d,"listen")) return -KEY_listen;
3785 if (strEQ(d,"lcfirst")) return -KEY_lcfirst;
3788 if (strEQ(d,"localtime")) return -KEY_localtime;
3794 case 1: return KEY_m;
3796 if (strEQ(d,"my")) return KEY_my;
3799 if (strEQ(d,"map")) return KEY_map;
3802 if (strEQ(d,"mkdir")) return -KEY_mkdir;
3805 if (strEQ(d,"msgctl")) return -KEY_msgctl;
3806 if (strEQ(d,"msgget")) return -KEY_msgget;
3807 if (strEQ(d,"msgrcv")) return -KEY_msgrcv;
3808 if (strEQ(d,"msgsnd")) return -KEY_msgsnd;
3813 if (strEQ(d,"NE")) { deprecate(d); return -KEY_ne;}
3816 if (strEQ(d,"next")) return KEY_next;
3817 if (strEQ(d,"ne")) return -KEY_ne;
3818 if (strEQ(d,"not")) return -KEY_not;
3819 if (strEQ(d,"no")) return KEY_no;
3824 if (strEQ(d,"or")) return -KEY_or;
3827 if (strEQ(d,"ord")) return -KEY_ord;
3828 if (strEQ(d,"oct")) return -KEY_oct;
3831 if (strEQ(d,"open")) return -KEY_open;
3834 if (strEQ(d,"opendir")) return -KEY_opendir;
3841 if (strEQ(d,"pop")) return KEY_pop;
3842 if (strEQ(d,"pos")) return KEY_pos;
3845 if (strEQ(d,"push")) return KEY_push;
3846 if (strEQ(d,"pack")) return -KEY_pack;
3847 if (strEQ(d,"pipe")) return -KEY_pipe;
3850 if (strEQ(d,"print")) return KEY_print;
3853 if (strEQ(d,"printf")) return KEY_printf;
3856 if (strEQ(d,"package")) return KEY_package;
3859 if (strEQ(d,"prototype")) return KEY_prototype;
3864 if (strEQ(d,"q")) return KEY_q;
3865 if (strEQ(d,"qq")) return KEY_qq;
3866 if (strEQ(d,"qw")) return KEY_qw;
3867 if (strEQ(d,"qx")) return KEY_qx;
3869 else if (strEQ(d,"quotemeta")) return -KEY_quotemeta;
3874 if (strEQ(d,"ref")) return -KEY_ref;
3877 if (strEQ(d,"read")) return -KEY_read;
3878 if (strEQ(d,"rand")) return -KEY_rand;
3879 if (strEQ(d,"recv")) return -KEY_recv;
3880 if (strEQ(d,"redo")) return KEY_redo;
3883 if (strEQ(d,"rmdir")) return -KEY_rmdir;
3884 if (strEQ(d,"reset")) return -KEY_reset;
3887 if (strEQ(d,"return")) return KEY_return;
3888 if (strEQ(d,"rename")) return -KEY_rename;
3889 if (strEQ(d,"rindex")) return -KEY_rindex;
3892 if (strEQ(d,"require")) return -KEY_require;
3893 if (strEQ(d,"reverse")) return -KEY_reverse;
3894 if (strEQ(d,"readdir")) return -KEY_readdir;
3897 if (strEQ(d,"readlink")) return -KEY_readlink;
3898 if (strEQ(d,"readline")) return -KEY_readline;
3899 if (strEQ(d,"readpipe")) return -KEY_readpipe;
3902 if (strEQ(d,"rewinddir")) return -KEY_rewinddir;
3908 case 0: return KEY_s;
3910 if (strEQ(d,"scalar")) return KEY_scalar;
3915 if (strEQ(d,"seek")) return -KEY_seek;
3916 if (strEQ(d,"send")) return -KEY_send;
3919 if (strEQ(d,"semop")) return -KEY_semop;
3922 if (strEQ(d,"select")) return -KEY_select;
3923 if (strEQ(d,"semctl")) return -KEY_semctl;
3924 if (strEQ(d,"semget")) return -KEY_semget;
3927 if (strEQ(d,"setpgrp")) return -KEY_setpgrp;
3928 if (strEQ(d,"seekdir")) return -KEY_seekdir;
3931 if (strEQ(d,"setpwent")) return -KEY_setpwent;
3932 if (strEQ(d,"setgrent")) return -KEY_setgrent;
3935 if (strEQ(d,"setnetent")) return -KEY_setnetent;
3938 if (strEQ(d,"setsockopt")) return -KEY_setsockopt;
3939 if (strEQ(d,"sethostent")) return -KEY_sethostent;
3940 if (strEQ(d,"setservent")) return -KEY_setservent;
3943 if (strEQ(d,"setpriority")) return -KEY_setpriority;
3944 if (strEQ(d,"setprotoent")) return -KEY_setprotoent;
3951 if (strEQ(d,"shift")) return KEY_shift;
3954 if (strEQ(d,"shmctl")) return -KEY_shmctl;
3955 if (strEQ(d,"shmget")) return -KEY_shmget;
3958 if (strEQ(d,"shmread")) return -KEY_shmread;
3961 if (strEQ(d,"shmwrite")) return -KEY_shmwrite;
3962 if (strEQ(d,"shutdown")) return -KEY_shutdown;
3967 if (strEQ(d,"sin")) return -KEY_sin;
3970 if (strEQ(d,"sleep")) return -KEY_sleep;
3973 if (strEQ(d,"sort")) return KEY_sort;
3974 if (strEQ(d,"socket")) return -KEY_socket;
3975 if (strEQ(d,"socketpair")) return -KEY_socketpair;
3978 if (strEQ(d,"split")) return KEY_split;
3979 if (strEQ(d,"sprintf")) return -KEY_sprintf;
3980 if (strEQ(d,"splice")) return KEY_splice;
3983 if (strEQ(d,"sqrt")) return -KEY_sqrt;
3986 if (strEQ(d,"srand")) return -KEY_srand;
3989 if (strEQ(d,"stat")) return -KEY_stat;
3990 if (strEQ(d,"study")) return KEY_study;
3993 if (strEQ(d,"substr")) return -KEY_substr;
3994 if (strEQ(d,"sub")) return KEY_sub;
3999 if (strEQ(d,"system")) return -KEY_system;
4002 if (strEQ(d,"sysopen")) return -KEY_sysopen;
4003 if (strEQ(d,"sysread")) return -KEY_sysread;
4004 if (strEQ(d,"symlink")) return -KEY_symlink;
4005 if (strEQ(d,"syscall")) return -KEY_syscall;
4008 if (strEQ(d,"syswrite")) return -KEY_syswrite;
4017 if (strEQ(d,"tr")) return KEY_tr;
4020 if (strEQ(d,"tie")) return KEY_tie;
4023 if (strEQ(d,"tell")) return -KEY_tell;
4024 if (strEQ(d,"tied")) return KEY_tied;
4025 if (strEQ(d,"time")) return -KEY_time;
4028 if (strEQ(d,"times")) return -KEY_times;
4031 if (strEQ(d,"telldir")) return -KEY_telldir;
4034 if (strEQ(d,"truncate")) return -KEY_truncate;
4041 if (strEQ(d,"uc")) return -KEY_uc;
4044 if (strEQ(d,"use")) return KEY_use;
4047 if (strEQ(d,"undef")) return KEY_undef;
4048 if (strEQ(d,"until")) return KEY_until;
4049 if (strEQ(d,"untie")) return KEY_untie;
4050 if (strEQ(d,"utime")) return -KEY_utime;
4051 if (strEQ(d,"umask")) return -KEY_umask;
4054 if (strEQ(d,"unless")) return KEY_unless;
4055 if (strEQ(d,"unpack")) return -KEY_unpack;
4056 if (strEQ(d,"unlink")) return -KEY_unlink;
4059 if (strEQ(d,"unshift")) return KEY_unshift;
4060 if (strEQ(d,"ucfirst")) return -KEY_ucfirst;
4065 if (strEQ(d,"values")) return -KEY_values;
4066 if (strEQ(d,"vec")) return -KEY_vec;
4071 if (strEQ(d,"warn")) return -KEY_warn;
4072 if (strEQ(d,"wait")) return -KEY_wait;
4075 if (strEQ(d,"while")) return KEY_while;
4076 if (strEQ(d,"write")) return -KEY_write;
4079 if (strEQ(d,"waitpid")) return -KEY_waitpid;
4082 if (strEQ(d,"wantarray")) return -KEY_wantarray;
4087 if (len == 1) return -KEY_x;
4088 if (strEQ(d,"xor")) return -KEY_xor;
4091 if (len == 1) return KEY_y;
4100 checkcomma(s,name,what)
4107 if (dowarn && *s == ' ' && s[1] == '(') { /* XXX gotta be a better way */
4109 for (w = s+2; *w && level; w++) {
4116 for (; *w && isSPACE(*w); w++) ;
4117 if (!*w || !strchr(";|})]oa!=", *w)) /* an advisory hack only... */
4118 warn("%s (...) interpreted as function",name);
4120 while (s < bufend && isSPACE(*s))
4124 while (s < bufend && isSPACE(*s))
4126 if (isIDFIRST(*s)) {
4130 while (s < bufend && isSPACE(*s))
4135 kw = keyword(w, s - w) || perl_get_cv(w, FALSE) != 0;
4139 croak("No comma allowed after %s", what);
4145 scan_word(s, dest, allow_package, slp)
4151 register char *d = dest;
4155 else if (*s == '\'' && allow_package && isIDFIRST(s[1])) {
4160 else if (*s == ':' && s[1] == ':' && allow_package && isIDFIRST(s[2])) {
4173 scan_ident(s,send,dest,ck_uni)
4175 register char *send;
4183 if (lex_brackets == 0)
4196 else if (*s == '\'' && isIDFIRST(s[1])) {
4201 else if (*s == ':' && s[1] == ':') {
4212 if (lex_state != LEX_NORMAL)
4213 lex_state = LEX_INTERPENDMAYBE;
4216 if (*s == '$' && s[1] &&
4217 (isALPHA(s[1]) || strchr("$_{", s[1]) || strnEQ(s+1,"::",2)) )
4228 if (*d == '^' && *s && (isUPPER(*s) || strchr("[\\]^_?", *s))) {
4232 if (isSPACE(s[-1])) {
4233 while (s < send && (*s == ' ' || *s == '\t')) s++;
4236 if (isALPHA(*d) || *d == '_') {
4238 while (isALNUM(*s) || *s == ':')
4241 while (s < send && (*s == ' ' || *s == '\t')) s++;
4242 if ((*s == '[' || *s == '{')) {
4243 if (dowarn && keyword(dest, d - dest)) {
4244 char *brack = *s == '[' ? "[...]" : "{...}";
4245 warn("Ambiguous use of %c{%s%s} resolved to %c%s%s",
4246 funny, dest, brack, funny, dest, brack);
4248 lex_fakebrack = lex_brackets+1;
4250 lex_brackstack[lex_brackets++] = XOPERATOR;
4256 if (lex_state == LEX_INTERPNORMAL && !lex_brackets)
4257 lex_state = LEX_INTERPEND;
4261 (keyword(dest, d - dest) || perl_get_cv(dest, FALSE)))
4262 warn("Ambiguous use of %c{%s} resolved to %c%s",
4263 funny, dest, funny, dest);
4266 s = bracket; /* let the parser handle it */
4270 else if (lex_state == LEX_INTERPNORMAL && !lex_brackets && !intuit_more(s))
4271 lex_state = LEX_INTERPEND;
4275 void pmflag(pmfl,ch)
4284 *pmfl |= PMf_GLOBAL;
4288 *pmfl |= PMf_MULTILINE;
4290 *pmfl |= PMf_SINGLELINE;
4292 *pmfl |= PMf_EXTENDED;
4302 s = scan_str(start);
4305 SvREFCNT_dec(lex_stuff);
4307 croak("Search pattern not terminated");
4309 pm = (PMOP*)newPMOP(OP_MATCH, 0);
4310 if (multi_open == '?')
4311 pm->op_pmflags |= PMf_ONCE;
4313 while (*s && strchr("iogmsx", *s))
4314 pmflag(&pm->op_pmflags,*s++);
4316 pm->op_pmpermflags = pm->op_pmflags;
4318 yylval.ival = OP_MATCH;
4330 yylval.ival = OP_NULL;
4332 s = scan_str(start);
4336 SvREFCNT_dec(lex_stuff);
4338 croak("Substitution pattern not terminated");
4341 if (s[-1] == multi_open)
4347 SvREFCNT_dec(lex_stuff);
4350 SvREFCNT_dec(lex_repl);
4352 croak("Substitution replacement not terminated");
4355 pm = (PMOP*)newPMOP(OP_SUBST, 0);
4356 while (*s && strchr("iogmsex", *s)) {
4362 pmflag(&pm->op_pmflags,*s++);
4367 pm->op_pmflags |= PMf_EVAL;
4368 repl = newSVpv("",0);
4370 sv_catpv(repl, es ? "eval " : "do ");
4371 sv_catpvn(repl, "{ ", 2);
4372 sv_catsv(repl, lex_repl);
4373 sv_catpvn(repl, " };", 2);
4374 SvCOMPILED_on(repl);
4375 SvREFCNT_dec(lex_repl);
4379 pm->op_pmpermflags = pm->op_pmflags;
4381 yylval.ival = OP_SUBST;
4389 if (!pm->op_pmshort && pm->op_pmregexp->regstart &&
4390 (!pm->op_pmregexp->regmust || pm->op_pmregexp->reganch & ROPT_ANCH)
4392 if (!(pm->op_pmregexp->reganch & ROPT_ANCH))
4393 pm->op_pmflags |= PMf_SCANFIRST;
4394 else if (pm->op_pmflags & PMf_FOLD)
4396 pm->op_pmshort = SvREFCNT_inc(pm->op_pmregexp->regstart);
4397 pm->op_pmslen = SvCUR(pm->op_pmshort);
4399 else if (pm->op_pmregexp->regmust) {/* is there a better short-circuit? */
4400 if (pm->op_pmshort &&
4401 sv_eq(pm->op_pmshort,pm->op_pmregexp->regmust))
4403 if (pm->op_pmflags & PMf_SCANFIRST) {
4404 SvREFCNT_dec(pm->op_pmshort);
4405 pm->op_pmshort = Nullsv;
4408 SvREFCNT_dec(pm->op_pmregexp->regmust);
4409 pm->op_pmregexp->regmust = Nullsv;
4413 if (!pm->op_pmshort || /* promote the better string */
4414 ((pm->op_pmflags & PMf_SCANFIRST) &&
4415 (SvCUR(pm->op_pmshort) < SvCUR(pm->op_pmregexp->regmust)) )){
4416 SvREFCNT_dec(pm->op_pmshort); /* ok if null */
4417 pm->op_pmshort = pm->op_pmregexp->regmust;
4418 pm->op_pmslen = SvCUR(pm->op_pmshort);
4419 pm->op_pmregexp->regmust = Nullsv;
4420 pm->op_pmflags |= PMf_SCANFIRST;
4436 yylval.ival = OP_NULL;
4438 s = scan_str(start);
4441 SvREFCNT_dec(lex_stuff);
4443 croak("Translation pattern not terminated");
4445 if (s[-1] == multi_open)
4451 SvREFCNT_dec(lex_stuff);
4454 SvREFCNT_dec(lex_repl);
4456 croak("Translation replacement not terminated");
4459 New(803,tbl,256,short);
4460 op = newPVOP(OP_TRANS, 0, (char*)tbl);
4462 complement = delete = squash = 0;
4463 while (*s == 'c' || *s == 'd' || *s == 's') {
4465 complement = OPpTRANS_COMPLEMENT;
4467 delete = OPpTRANS_DELETE;
4469 squash = OPpTRANS_SQUASH;
4472 op->op_private = delete|squash|complement;
4475 yylval.ival = OP_TRANS;
4484 I32 op_type = OP_SCALAR;
4495 for (peek = s; *peek == ' ' || *peek == '\t'; peek++) ;
4496 if (*peek && strchr("`'\"",*peek)) {
4499 s = cpytill(d,s,bufend,term,&len);
4510 deprecate("bare << to mean <<\"\"");
4513 } /* assuming tokenbuf won't clobber */
4518 if (rsfp || !(d=ninstr(s,bufend,d,d+1)))
4519 herewas = newSVpv(s,bufend-s);
4521 s--, herewas = newSVpv(s,d-s);
4522 s += SvCUR(herewas);
4524 tmpstr = NEWSV(87,80);
4525 sv_upgrade(tmpstr, SVt_PVIV);
4530 else if (term == '`') {
4531 op_type = OP_BACKTICK;
4532 SvIVX(tmpstr) = '\\';
4536 multi_start = curcop->cop_line;
4537 multi_open = multi_close = '<';
4541 while (s < bufend &&
4542 (*s != term || bcmp(s,tokenbuf,len) != 0) ) {
4547 curcop->cop_line = multi_start;
4548 missingterm(tokenbuf);
4550 sv_setpvn(tmpstr,d+1,s-d);
4552 sv_catpvn(herewas,s,bufend-s);
4553 sv_setsv(linestr,herewas);
4554 oldoldbufptr = oldbufptr = bufptr = s = SvPVX(linestr);
4555 bufend = SvPVX(linestr) + SvCUR(linestr);
4558 sv_setpvn(tmpstr,"",0); /* avoid "uninitialized" warning */
4559 while (s >= bufend) { /* multiple line string? */
4561 !(oldoldbufptr = oldbufptr = s = filter_gets(linestr, rsfp))) {
4562 curcop->cop_line = multi_start;
4563 missingterm(tokenbuf);
4566 if (perldb && curstash != debstash) {
4567 SV *sv = NEWSV(88,0);
4569 sv_upgrade(sv, SVt_PVMG);
4570 sv_setsv(sv,linestr);
4571 av_store(GvAV(curcop->cop_filegv),
4572 (I32)curcop->cop_line,sv);
4574 bufend = SvPVX(linestr) + SvCUR(linestr);
4575 if (*s == term && bcmp(s,tokenbuf,len) == 0) {
4578 sv_catsv(linestr,herewas);
4579 bufend = SvPVX(linestr) + SvCUR(linestr);
4583 sv_catsv(tmpstr,linestr);
4586 multi_end = curcop->cop_line;
4588 if (SvCUR(tmpstr) + 5 < SvLEN(tmpstr)) {
4589 SvLEN_set(tmpstr, SvCUR(tmpstr) + 1);
4590 Renew(SvPVX(tmpstr), SvLEN(tmpstr), char);
4592 SvREFCNT_dec(herewas);
4594 yylval.ival = op_type;
4599 scan_inputsymbol(start)
4602 register char *s = start;
4607 s = cpytill(d, s+1, bufend, '>', &len);
4611 croak("Unterminated <> operator");
4613 if (*d == '$' && d[1]) d++;
4614 while (*d && (isALNUM(*d) || *d == '\'' || *d == ':'))
4616 if (d - tokenbuf != len) {
4617 yylval.ival = OP_GLOB;
4619 s = scan_str(start);
4621 croak("Glob not terminated");
4627 (void)strcpy(d,"ARGV");
4630 if (tmp = pad_findmy(d)) {
4631 OP *op = newOP(OP_PADSV, 0);
4633 lex_op = (OP*)newUNOP(OP_READLINE, 0, newUNOP(OP_RV2GV, 0, op));
4636 GV *gv = gv_fetchpv(d+1,TRUE, SVt_PV);
4637 lex_op = (OP*)newUNOP(OP_READLINE, 0,
4638 newUNOP(OP_RV2GV, 0,
4639 newUNOP(OP_RV2SV, 0,
4640 newGVOP(OP_GV, 0, gv))));
4642 yylval.ival = OP_NULL;
4645 GV *gv = gv_fetchpv(d,TRUE, SVt_PVIO);
4646 lex_op = (OP*)newUNOP(OP_READLINE, 0, newGVOP(OP_GV, 0, gv));
4647 yylval.ival = OP_NULL;
4659 register char *s = start;
4668 multi_start = curcop->cop_line;
4670 if (term && (tmps = strchr("([{< )]}> )]}>",term)))
4675 sv_upgrade(sv, SVt_PVIV);
4677 (void)SvPOK_only(sv); /* validate pointer */
4680 SvGROW(sv, SvCUR(sv) + (bufend - s) + 1);
4681 to = SvPVX(sv)+SvCUR(sv);
4682 if (multi_open == multi_close) {
4683 for (; s < bufend; s++,to++) {
4684 if (*s == '\n' && !rsfp)
4686 if (*s == '\\' && s+1 < bufend && term != '\\') {
4692 else if (*s == term)
4698 for (; s < bufend; s++,to++) {
4699 if (*s == '\n' && !rsfp)
4701 if (*s == '\\' && s+1 < bufend && term != '\\') {
4707 else if (*s == term && --brackets <= 0)
4709 else if (*s == multi_open)
4715 SvCUR_set(sv, to - SvPVX(sv));
4717 if (s < bufend) break; /* string ends on this line? */
4720 !(oldoldbufptr = oldbufptr = s = filter_gets(linestr, rsfp))) {
4722 curcop->cop_line = multi_start;
4726 if (perldb && curstash != debstash) {
4727 SV *sv = NEWSV(88,0);
4729 sv_upgrade(sv, SVt_PVMG);
4730 sv_setsv(sv,linestr);
4731 av_store(GvAV(curcop->cop_filegv),
4732 (I32)curcop->cop_line, sv);
4734 bufend = SvPVX(linestr) + SvCUR(linestr);
4736 multi_end = curcop->cop_line;
4738 if (SvCUR(sv) + 5 < SvLEN(sv)) {
4739 SvLEN_set(sv, SvCUR(sv) + 1);
4740 Renew(SvPVX(sv), SvLEN(sv), char);
4753 register char *s = start;
4763 croak("panic: scan_num");
4773 else if (s[1] == '.')
4787 yyerror("Illegal octal digit");
4789 case '0': case '1': case '2': case '3': case '4':
4790 case '5': case '6': case '7':
4794 case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
4795 case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
4799 i += (*s++ & 7) + 9;
4806 if (tryi32 == i && tryi32 >= 0)
4807 sv_setiv(sv,tryi32);
4809 sv_setnv(sv,(double)i);
4812 case '1': case '2': case '3': case '4': case '5':
4813 case '6': case '7': case '8': case '9': case '.':
4817 while (isDIGIT(*s) || *s == '_') {
4819 if (dowarn && lastub && s - lastub != 3)
4820 warn("Misplaced _ in number");
4826 if (dowarn && lastub && s - lastub != 3)
4827 warn("Misplaced _ in number");
4828 if (*s == '.' && s[1] != '.') {
4831 while (isDIGIT(*s) || *s == '_') {
4838 if (*s && strchr("eE",*s) && strchr("+-0123456789",s[1])) {
4841 *d++ = 'e'; /* At least some Mach atof()s don't grok 'E' */
4842 if (*s == '+' || *s == '-')
4849 value = atof(tokenbuf);
4850 tryi32 = I_32(value);
4851 if (!floatit && (double)tryi32 == value)
4852 sv_setiv(sv,tryi32);
4858 yylval.opval = newSVOP(OP_CONST, 0, sv);
4869 SV *stuff = newSVpv("",0);
4870 bool needargs = FALSE;
4873 if (*s == '.' || *s == '}') {
4875 for (t = s+1; *t == ' ' || *t == '\t'; t++) ;
4879 if (in_eval && !rsfp) {
4880 eol = strchr(s,'\n');
4885 eol = bufend = SvPVX(linestr) + SvCUR(linestr);
4887 for (t = s; t < eol; t++) {
4888 if (*t == '~' && t[1] == '~' && SvCUR(stuff)) {
4890 goto enough; /* ~~ must be first line in formline */
4892 if (*t == '@' || *t == '^')
4895 sv_catpvn(stuff, s, eol-s);
4899 s = filter_gets(linestr, rsfp);
4900 oldoldbufptr = oldbufptr = bufptr = SvPVX(linestr);
4901 bufend = bufptr + SvCUR(linestr);
4904 yyerror("Format not terminated");
4914 lex_state = LEX_NORMAL;
4915 nextval[nexttoke].ival = 0;
4919 lex_state = LEX_FORMLINE;
4920 nextval[nexttoke].opval = (OP*)newSVOP(OP_CONST, 0, stuff);
4922 nextval[nexttoke].ival = OP_FORMLINE;
4926 SvREFCNT_dec(stuff);
4938 cshlen = strlen(cshname);
4945 int oldsavestack_ix = savestack_ix;
4946 CV* outsidecv = compcv;
4951 assert(SvTYPE(compcv) == SVt_PVCV);
4959 SAVESPTR(comppad_name);
4961 SAVEINT(comppad_name_fill);
4962 SAVEINT(min_intro_pending);
4963 SAVEINT(max_intro_pending);
4964 SAVEINT(pad_reset_pending);
4966 compcv = (CV*)NEWSV(1104,0);
4967 sv_upgrade((SV *)compcv, SVt_PVCV);
4970 comppad_name = newAV();
4971 comppad_name_fill = 0;
4972 min_intro_pending = 0;
4973 av_push(comppad, Nullsv);
4974 curpad = AvARRAY(comppad);
4976 subline = curcop->cop_line;
4978 comppadlist = newAV();
4979 AvREAL_off(comppadlist);
4980 av_store(comppadlist, 0, (SV*)comppad_name);
4981 av_store(comppadlist, 1, (SV*)comppad);
4983 CvPADLIST(compcv) = comppadlist;
4984 CvOUTSIDE(compcv) = (CV*)SvREFCNT_inc((SV*)outsidecv);
4986 return oldsavestack_ix;
5005 char *tname = tmpbuf;
5007 if (bufptr > oldoldbufptr && bufptr - oldoldbufptr < 200 &&
5008 oldoldbufptr != oldbufptr && oldbufptr != bufptr) {
5009 while (isSPACE(*oldoldbufptr))
5011 sprintf(tname,"near \"%.*s\"",bufptr - oldoldbufptr, oldoldbufptr);
5013 else if (bufptr > oldbufptr && bufptr - oldbufptr < 200 &&
5014 oldbufptr != bufptr) {
5015 while (isSPACE(*oldbufptr))
5017 sprintf(tname,"near \"%.*s\"",bufptr - oldbufptr, oldbufptr);
5019 else if (yychar > 255)
5020 tname = "next token ???";
5021 else if (!yychar || (yychar == ';' && !rsfp))
5022 (void)strcpy(tname,"at EOF");
5023 else if ((yychar & 127) == 127) {
5024 if (lex_state == LEX_NORMAL ||
5025 (lex_state == LEX_KNOWNEXT && lex_defer == LEX_NORMAL))
5026 (void)strcpy(tname,"at end of line");
5028 (void)strcpy(tname,"within pattern");
5030 (void)strcpy(tname,"within string");
5032 else if (yychar < 32)
5033 (void)sprintf(tname,"next char ^%c",yychar+64);
5035 (void)sprintf(tname,"next char %c",yychar);
5036 (void)sprintf(buf, "%s at %s line %d, %s\n",
5037 s,SvPVX(GvSV(curcop->cop_filegv)),curcop->cop_line,tname);
5038 if (curcop->cop_line == multi_end && multi_start < multi_end) {
5039 sprintf(buf+strlen(buf),
5040 " (Might be a runaway multi-line %c%c string starting on line %ld)\n",
5041 multi_open,multi_close,(long)multi_start);
5047 sv_catpv(GvSV(errgv),buf);
5049 PerlIO_printf(PerlIO_stderr(), "%s",buf);
5050 if (++error_count >= 10)
5051 croak("%s has too many errors.\n",
5052 SvPVX(GvSV(curcop->cop_filegv)));