Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* toke.c |
a687059c | 2 | * |
9607fc9c | 3 | * Copyright (c) 1991-1997, Larry Wall |
a687059c | 4 | * |
d48672a2 LW |
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. | |
378cc40b | 7 | * |
a0d0e21e LW |
8 | */ |
9 | ||
10 | /* | |
11 | * "It all comes from here, the stench and the peril." --Frodo | |
378cc40b LW |
12 | */ |
13 | ||
14 | #include "EXTERN.h" | |
15 | #include "perl.h" | |
378cc40b | 16 | |
a0d0e21e LW |
17 | static void check_uni _((void)); |
18 | static void force_next _((I32 type)); | |
89bfa8cd | 19 | static char *force_version _((char *start)); |
a0d0e21e LW |
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)); | |
8903cb82 | 25 | static char *scan_ident _((char *s, char *send, char *dest, STRLEN destlen, |
26 | I32 ck_uni)); | |
a0d0e21e LW |
27 | static char *scan_inputsymbol _((char *start)); |
28 | static char *scan_pat _((char *start)); | |
29 | static char *scan_str _((char *start)); | |
30 | static char *scan_subst _((char *start)); | |
31 | static char *scan_trans _((char *start)); | |
8903cb82 | 32 | static char *scan_word _((char *s, char *dest, STRLEN destlen, |
33 | int allow_package, STRLEN *slp)); | |
a0d0e21e LW |
34 | static char *skipspace _((char *s)); |
35 | static void checkcomma _((char *s, char *name, char *what)); | |
36 | static void force_ident _((char *s, int kind)); | |
37 | static void incline _((char *s)); | |
38 | static int intuit_method _((char *s, GV *gv)); | |
39 | static int intuit_more _((char *s)); | |
40 | static I32 lop _((I32 f, expectation x, char *s)); | |
41 | static void missingterm _((char *s)); | |
42 | static void no_op _((char *what, char *s)); | |
43 | static void set_csh _((void)); | |
44 | static I32 sublex_done _((void)); | |
55497cff | 45 | static I32 sublex_push _((void)); |
a0d0e21e LW |
46 | static I32 sublex_start _((void)); |
47 | #ifdef CRIPPLED_CC | |
48 | static int uni _((I32 f, char *s)); | |
49 | #endif | |
fd049845 | 50 | static char * filter_gets _((SV *sv, PerlIO *fp, STRLEN append)); |
6d5fb7e3 | 51 | static void restore_rsfp _((void *f)); |
49d8d3a1 MB |
52 | static void restore_expect _((void *e)); |
53 | static void restore_lex_expect _((void *e)); | |
2f3197b3 | 54 | |
fc36a67e | 55 | static char ident_too_long[] = "Identifier too long"; |
8903cb82 | 56 | |
fd049845 | 57 | static char *linestart; /* beg. of most recently read line */ |
58 | ||
bbce6d69 | 59 | static char pending_ident; /* pending identifier lookup */ |
60 | ||
55497cff | 61 | static struct { |
62 | I32 super_state; /* lexer state to save */ | |
63 | I32 sub_inwhat; /* "lex_inwhat" to use */ | |
64 | OP *sub_op; /* "lex_op" to use */ | |
65 | } sublex_info; | |
66 | ||
79072805 LW |
67 | /* The following are arranged oddly so that the guard on the switch statement |
68 | * can get by with a single comparison (if the compiler is smart enough). | |
69 | */ | |
70 | ||
fb73857a | 71 | /* #define LEX_NOTPARSING 11 is done in perl.h. */ |
72 | ||
55497cff | 73 | #define LEX_NORMAL 10 |
74 | #define LEX_INTERPNORMAL 9 | |
75 | #define LEX_INTERPCASEMOD 8 | |
76 | #define LEX_INTERPPUSH 7 | |
77 | #define LEX_INTERPSTART 6 | |
78 | #define LEX_INTERPEND 5 | |
79 | #define LEX_INTERPENDMAYBE 4 | |
80 | #define LEX_INTERPCONCAT 3 | |
81 | #define LEX_INTERPCONST 2 | |
82 | #define LEX_FORMLINE 1 | |
83 | #define LEX_KNOWNEXT 0 | |
79072805 | 84 | |
395c3793 LW |
85 | #ifdef I_FCNTL |
86 | #include <fcntl.h> | |
87 | #endif | |
fe14fcc3 LW |
88 | #ifdef I_SYS_FILE |
89 | #include <sys/file.h> | |
90 | #endif | |
395c3793 | 91 | |
a790bc05 | 92 | /* XXX If this causes problems, set i_unistd=undef in the hint file. */ |
93 | #ifdef I_UNISTD | |
94 | # include <unistd.h> /* Needed for execv() */ | |
95 | #endif | |
96 | ||
97 | ||
79072805 LW |
98 | #ifdef ff_next |
99 | #undef ff_next | |
d48672a2 LW |
100 | #endif |
101 | ||
79072805 | 102 | #include "keywords.h" |
fe14fcc3 | 103 | |
ae986130 LW |
104 | #ifdef CLINE |
105 | #undef CLINE | |
106 | #endif | |
79072805 | 107 | #define CLINE (copline = (curcop->cop_line < copline ? curcop->cop_line : copline)) |
378cc40b | 108 | |
79072805 LW |
109 | #define TOKEN(retval) return (bufptr = s,(int)retval) |
110 | #define OPERATOR(retval) return (expect = XTERM,bufptr = s,(int)retval) | |
a0d0e21e | 111 | #define AOPERATOR(retval) return ao((expect = XTERM,bufptr = s,(int)retval)) |
79072805 | 112 | #define PREBLOCK(retval) return (expect = XBLOCK,bufptr = s,(int)retval) |
a0d0e21e | 113 | #define PRETERMBLOCK(retval) return (expect = XTERMBLOCK,bufptr = s,(int)retval) |
79072805 LW |
114 | #define PREREF(retval) return (expect = XREF,bufptr = s,(int)retval) |
115 | #define TERM(retval) return (CLINE, expect = XOPERATOR,bufptr = s,(int)retval) | |
463ee0b2 | 116 | #define LOOPX(f) return(yylval.ival=f,expect = XTERM,bufptr = s,(int)LOOPEX) |
79072805 LW |
117 | #define FTST(f) return(yylval.ival=f,expect = XTERM,bufptr = s,(int)UNIOP) |
118 | #define FUN0(f) return(yylval.ival = f,expect = XOPERATOR,bufptr = s,(int)FUNC0) | |
119 | #define FUN1(f) return(yylval.ival = f,expect = XOPERATOR,bufptr = s,(int)FUNC1) | |
a0d0e21e LW |
120 | #define BOop(f) return ao((yylval.ival=f,expect = XTERM,bufptr = s,(int)BITOROP)) |
121 | #define BAop(f) return ao((yylval.ival=f,expect = XTERM,bufptr = s,(int)BITANDOP)) | |
122 | #define SHop(f) return ao((yylval.ival=f,expect = XTERM,bufptr = s,(int)SHIFTOP)) | |
123 | #define PWop(f) return ao((yylval.ival=f,expect = XTERM,bufptr = s,(int)POWOP)) | |
79072805 | 124 | #define PMop(f) return(yylval.ival=f,expect = XTERM,bufptr = s,(int)MATCHOP) |
a0d0e21e LW |
125 | #define Aop(f) return ao((yylval.ival=f,expect = XTERM,bufptr = s,(int)ADDOP)) |
126 | #define Mop(f) return ao((yylval.ival=f,expect = XTERM,bufptr = s,(int)MULOP)) | |
79072805 LW |
127 | #define Eop(f) return(yylval.ival=f,expect = XTERM,bufptr = s,(int)EQOP) |
128 | #define Rop(f) return(yylval.ival=f,expect = XTERM,bufptr = s,(int)RELOP) | |
2f3197b3 | 129 | |
a687059c LW |
130 | /* This bit of chicanery makes a unary function followed by |
131 | * a parenthesis into a function with one argument, highest precedence. | |
132 | */ | |
2f3197b3 | 133 | #define UNI(f) return(yylval.ival = f, \ |
79072805 | 134 | expect = XTERM, \ |
2f3197b3 LW |
135 | bufptr = s, \ |
136 | last_uni = oldbufptr, \ | |
a0d0e21e | 137 | last_lop_op = f, \ |
a687059c LW |
138 | (*s == '(' || (s = skipspace(s), *s == '(') ? (int)FUNC1 : (int)UNIOP) ) |
139 | ||
79072805 LW |
140 | #define UNIBRACK(f) return(yylval.ival = f, \ |
141 | bufptr = s, \ | |
142 | last_uni = oldbufptr, \ | |
143 | (*s == '(' || (s = skipspace(s), *s == '(') ? (int)FUNC1 : (int)UNIOP) ) | |
144 | ||
9f68db38 | 145 | /* grandfather return to old style */ |
79072805 LW |
146 | #define OLDLOP(f) return(yylval.ival=f,expect = XTERM,bufptr = s,(int)LSTOP) |
147 | ||
a0d0e21e | 148 | static int |
8ac85365 | 149 | ao(int toketype) |
a0d0e21e LW |
150 | { |
151 | if (*bufptr == '=') { | |
152 | bufptr++; | |
153 | if (toketype == ANDAND) | |
154 | yylval.ival = OP_ANDASSIGN; | |
155 | else if (toketype == OROR) | |
156 | yylval.ival = OP_ORASSIGN; | |
157 | toketype = ASSIGNOP; | |
158 | } | |
159 | return toketype; | |
160 | } | |
161 | ||
8990e307 | 162 | static void |
8ac85365 | 163 | no_op(char *what, char *s) |
463ee0b2 | 164 | { |
748a9306 | 165 | char *oldbp = bufptr; |
fd049845 | 166 | bool is_first = (oldbufptr == linestart); |
68dc0745 | 167 | |
8990e307 | 168 | bufptr = s; |
46fc3d4c | 169 | yywarn(form("%s found where operator expected", what)); |
748a9306 | 170 | if (is_first) |
a0d0e21e | 171 | warn("\t(Missing semicolon on previous line?)\n"); |
748a9306 LW |
172 | else if (oldoldbufptr && isIDFIRST(*oldoldbufptr)) { |
173 | char *t; | |
174 | for (t = oldoldbufptr; *t && (isALNUM(*t) || *t == ':'); t++) ; | |
175 | if (t < bufptr && isSPACE(*t)) | |
176 | warn("\t(Do you need to predeclare %.*s?)\n", | |
177 | t - oldoldbufptr, oldoldbufptr); | |
178 | ||
179 | } | |
180 | else | |
181 | warn("\t(Missing operator before %.*s?)\n", s - oldbp, oldbp); | |
182 | bufptr = oldbp; | |
8990e307 LW |
183 | } |
184 | ||
185 | static void | |
8ac85365 | 186 | missingterm(char *s) |
8990e307 LW |
187 | { |
188 | char tmpbuf[3]; | |
189 | char q; | |
190 | if (s) { | |
191 | char *nl = strrchr(s,'\n'); | |
a868473f | 192 | if (nl) |
8990e307 LW |
193 | *nl = '\0'; |
194 | } | |
195 | else if (multi_close < 32 || multi_close == 127) { | |
196 | *tmpbuf = '^'; | |
bbce6d69 | 197 | tmpbuf[1] = toCTRL(multi_close); |
8990e307 LW |
198 | s = "\\n"; |
199 | tmpbuf[2] = '\0'; | |
200 | s = tmpbuf; | |
201 | } | |
202 | else { | |
203 | *tmpbuf = multi_close; | |
204 | tmpbuf[1] = '\0'; | |
205 | s = tmpbuf; | |
206 | } | |
207 | q = strchr(s,'"') ? '\'' : '"'; | |
208 | croak("Can't find string terminator %c%s%c anywhere before EOF",q,s,q); | |
463ee0b2 | 209 | } |
79072805 LW |
210 | |
211 | void | |
8ac85365 | 212 | deprecate(char *s) |
a0d0e21e LW |
213 | { |
214 | if (dowarn) | |
215 | warn("Use of %s is deprecated", s); | |
216 | } | |
217 | ||
218 | static void | |
8ac85365 | 219 | depcom(void) |
a0d0e21e LW |
220 | { |
221 | deprecate("comma-less variable list"); | |
222 | } | |
223 | ||
a868473f NIS |
224 | #ifdef WIN32 |
225 | ||
226 | static I32 | |
227 | win32_textfilter(int idx, SV *sv, int maxlen) | |
228 | { | |
229 | I32 count = FILTER_READ(idx+1, sv, maxlen); | |
230 | if (count > 0 && !maxlen) | |
231 | win32_strip_return(sv); | |
232 | return count; | |
233 | } | |
234 | #endif | |
235 | ||
236 | ||
a0d0e21e | 237 | void |
8ac85365 | 238 | lex_start(SV *line) |
79072805 | 239 | { |
0f15f207 | 240 | dTHR; |
8990e307 LW |
241 | char *s; |
242 | STRLEN len; | |
243 | ||
55497cff | 244 | SAVEI32(lex_dojoin); |
245 | SAVEI32(lex_brackets); | |
246 | SAVEI32(lex_fakebrack); | |
247 | SAVEI32(lex_casemods); | |
248 | SAVEI32(lex_starts); | |
249 | SAVEI32(lex_state); | |
a0d0e21e | 250 | SAVESPTR(lex_inpat); |
55497cff | 251 | SAVEI32(lex_inwhat); |
252 | SAVEI16(curcop->cop_line); | |
85e6fe83 LW |
253 | SAVEPPTR(bufptr); |
254 | SAVEPPTR(bufend); | |
255 | SAVEPPTR(oldbufptr); | |
256 | SAVEPPTR(oldoldbufptr); | |
fd049845 | 257 | SAVEPPTR(linestart); |
463ee0b2 | 258 | SAVESPTR(linestr); |
85e6fe83 | 259 | SAVEPPTR(lex_brackstack); |
a0d0e21e | 260 | SAVEPPTR(lex_casestack); |
6d5fb7e3 | 261 | SAVEDESTRUCTOR(restore_rsfp, rsfp); |
49d8d3a1 MB |
262 | SAVESPTR(lex_stuff); |
263 | SAVEI32(lex_defer); | |
264 | SAVESPTR(lex_repl); | |
265 | SAVEDESTRUCTOR(restore_expect, tokenbuf + expect); /* encode as pointer */ | |
266 | SAVEDESTRUCTOR(restore_lex_expect, tokenbuf + expect); | |
463ee0b2 | 267 | |
79072805 LW |
268 | lex_state = LEX_NORMAL; |
269 | lex_defer = 0; | |
8990e307 | 270 | expect = XSTATE; |
79072805 LW |
271 | lex_brackets = 0; |
272 | lex_fakebrack = 0; | |
8990e307 | 273 | New(899, lex_brackstack, 120, char); |
a0d0e21e | 274 | New(899, lex_casestack, 12, char); |
8990e307 | 275 | SAVEFREEPV(lex_brackstack); |
a0d0e21e | 276 | SAVEFREEPV(lex_casestack); |
79072805 | 277 | lex_casemods = 0; |
a0d0e21e | 278 | *lex_casestack = '\0'; |
79072805 LW |
279 | lex_dojoin = 0; |
280 | lex_starts = 0; | |
79072805 | 281 | lex_stuff = Nullsv; |
79072805 LW |
282 | lex_repl = Nullsv; |
283 | lex_inpat = 0; | |
284 | lex_inwhat = 0; | |
8990e307 LW |
285 | linestr = line; |
286 | if (SvREADONLY(linestr)) | |
287 | linestr = sv_2mortal(newSVsv(linestr)); | |
288 | s = SvPV(linestr, len); | |
289 | if (len && s[len-1] != ';') { | |
a0d0e21e | 290 | if (!(SvFLAGS(linestr) & SVs_TEMP)) |
8990e307 LW |
291 | linestr = sv_2mortal(newSVsv(linestr)); |
292 | sv_catpvn(linestr, "\n;", 2); | |
293 | } | |
294 | SvTEMP_off(linestr); | |
fd049845 | 295 | oldoldbufptr = oldbufptr = bufptr = linestart = SvPVX(linestr); |
79072805 | 296 | bufend = bufptr + SvCUR(linestr); |
c07a80fd | 297 | SvREFCNT_dec(rs); |
298 | rs = newSVpv("\n", 1); | |
8990e307 | 299 | rsfp = 0; |
79072805 | 300 | } |
a687059c | 301 | |
463ee0b2 | 302 | void |
8ac85365 | 303 | lex_end(void) |
463ee0b2 | 304 | { |
6ca21dd3 | 305 | doextract = FALSE; |
463ee0b2 LW |
306 | } |
307 | ||
308 | static void | |
8ac85365 | 309 | restore_rsfp(void *f) |
6d5fb7e3 | 310 | { |
760ac839 | 311 | PerlIO *fp = (PerlIO*)f; |
6d5fb7e3 | 312 | |
760ac839 LW |
313 | if (rsfp == PerlIO_stdin()) |
314 | PerlIO_clearerr(rsfp); | |
a5f75d66 | 315 | else if (rsfp && (rsfp != fp)) |
760ac839 | 316 | PerlIO_close(rsfp); |
6d5fb7e3 CS |
317 | rsfp = fp; |
318 | } | |
319 | ||
320 | static void | |
49d8d3a1 MB |
321 | restore_expect(e) |
322 | void *e; | |
323 | { | |
324 | /* a safe way to store a small integer in a pointer */ | |
325 | expect = (expectation)((char *)e - tokenbuf); | |
326 | } | |
327 | ||
328 | static void | |
329 | restore_lex_expect(e) | |
330 | void *e; | |
331 | { | |
332 | /* a safe way to store a small integer in a pointer */ | |
333 | lex_expect = (expectation)((char *)e - tokenbuf); | |
334 | } | |
335 | ||
336 | static void | |
8ac85365 | 337 | incline(char *s) |
463ee0b2 | 338 | { |
0f15f207 | 339 | dTHR; |
463ee0b2 LW |
340 | char *t; |
341 | char *n; | |
342 | char ch; | |
343 | int sawline = 0; | |
344 | ||
345 | curcop->cop_line++; | |
346 | if (*s++ != '#') | |
347 | return; | |
348 | while (*s == ' ' || *s == '\t') s++; | |
349 | if (strnEQ(s, "line ", 5)) { | |
350 | s += 5; | |
351 | sawline = 1; | |
352 | } | |
353 | if (!isDIGIT(*s)) | |
354 | return; | |
355 | n = s; | |
356 | while (isDIGIT(*s)) | |
357 | s++; | |
358 | while (*s == ' ' || *s == '\t') | |
359 | s++; | |
360 | if (*s == '"' && (t = strchr(s+1, '"'))) | |
361 | s++; | |
362 | else { | |
363 | if (!sawline) | |
364 | return; /* false alarm */ | |
365 | for (t = s; !isSPACE(*t); t++) ; | |
366 | } | |
367 | ch = *t; | |
368 | *t = '\0'; | |
369 | if (t - s > 0) | |
370 | curcop->cop_filegv = gv_fetchfile(s); | |
371 | else | |
372 | curcop->cop_filegv = gv_fetchfile(origfilename); | |
373 | *t = ch; | |
374 | curcop->cop_line = atoi(n)-1; | |
375 | } | |
376 | ||
8990e307 | 377 | static char * |
8ac85365 | 378 | skipspace(register char *s) |
a687059c | 379 | { |
11343788 | 380 | dTHR; |
85e6fe83 | 381 | if (lex_formbrack && lex_brackets <= lex_formbrack) { |
463ee0b2 LW |
382 | while (s < bufend && (*s == ' ' || *s == '\t')) |
383 | s++; | |
384 | return s; | |
385 | } | |
386 | for (;;) { | |
fd049845 | 387 | STRLEN prevlen; |
463ee0b2 LW |
388 | while (s < bufend && isSPACE(*s)) |
389 | s++; | |
390 | if (s < bufend && *s == '#') { | |
391 | while (s < bufend && *s != '\n') | |
392 | s++; | |
393 | if (s < bufend) | |
394 | s++; | |
395 | } | |
a0d0e21e | 396 | if (s < bufend || !rsfp || lex_state != LEX_NORMAL) |
463ee0b2 | 397 | return s; |
fd049845 | 398 | if ((s = filter_gets(linestr, rsfp, (prevlen = SvCUR(linestr)))) == Nullch) { |
a0d0e21e | 399 | if (minus_n || minus_p) { |
08e9d68e DD |
400 | sv_setpv(linestr,minus_p ? |
401 | ";}continue{print or die qq(-p destination: $!\\n)" : | |
402 | ""); | |
a0d0e21e LW |
403 | sv_catpv(linestr,";}"); |
404 | minus_n = minus_p = 0; | |
405 | } | |
406 | else | |
407 | sv_setpv(linestr,";"); | |
fd049845 | 408 | oldoldbufptr = oldbufptr = bufptr = s = linestart = SvPVX(linestr); |
a0d0e21e LW |
409 | bufend = SvPVX(linestr) + SvCUR(linestr); |
410 | if (preprocess && !in_eval) | |
3028581b | 411 | (void)PerlProc_pclose(rsfp); |
760ac839 LW |
412 | else if ((PerlIO*)rsfp == PerlIO_stdin()) |
413 | PerlIO_clearerr(rsfp); | |
8990e307 | 414 | else |
760ac839 | 415 | (void)PerlIO_close(rsfp); |
90248788 TB |
416 | if (e_fp == rsfp) |
417 | e_fp = Nullfp; | |
8990e307 | 418 | rsfp = Nullfp; |
463ee0b2 LW |
419 | return s; |
420 | } | |
fd049845 | 421 | linestart = bufptr = s + prevlen; |
422 | bufend = s + SvCUR(linestr); | |
423 | s = bufptr; | |
a0d0e21e | 424 | incline(s); |
84902520 | 425 | if (PERLDB_LINE && curstash != debstash) { |
8990e307 LW |
426 | SV *sv = NEWSV(85,0); |
427 | ||
428 | sv_upgrade(sv, SVt_PVMG); | |
fd049845 | 429 | sv_setpvn(sv,bufptr,bufend-bufptr); |
8990e307 LW |
430 | av_store(GvAV(curcop->cop_filegv),(I32)curcop->cop_line,sv); |
431 | } | |
463ee0b2 | 432 | } |
a687059c | 433 | } |
378cc40b | 434 | |
8990e307 | 435 | static void |
8ac85365 | 436 | check_uni(void) { |
2f3197b3 LW |
437 | char *s; |
438 | char ch; | |
a0d0e21e | 439 | char *t; |
2f3197b3 LW |
440 | |
441 | if (oldoldbufptr != last_uni) | |
442 | return; | |
443 | while (isSPACE(*last_uni)) | |
444 | last_uni++; | |
e334a159 | 445 | for (s = last_uni; isALNUM(*s) || *s == '-'; s++) ; |
a0d0e21e LW |
446 | if ((t = strchr(s, '(')) && t < bufptr) |
447 | return; | |
2f3197b3 LW |
448 | ch = *s; |
449 | *s = '\0'; | |
450 | warn("Warning: Use of \"%s\" without parens is ambiguous", last_uni); | |
451 | *s = ch; | |
452 | } | |
453 | ||
ffed7fef LW |
454 | #ifdef CRIPPLED_CC |
455 | ||
456 | #undef UNI | |
ffed7fef | 457 | #define UNI(f) return uni(f,s) |
ffed7fef | 458 | |
8990e307 | 459 | static int |
8ac85365 | 460 | uni(I32 f, char *s) |
ffed7fef LW |
461 | { |
462 | yylval.ival = f; | |
79072805 | 463 | expect = XTERM; |
ffed7fef | 464 | bufptr = s; |
2f3197b3 | 465 | last_uni = oldbufptr; |
a0d0e21e | 466 | last_lop_op = f; |
ffed7fef LW |
467 | if (*s == '(') |
468 | return FUNC1; | |
469 | s = skipspace(s); | |
470 | if (*s == '(') | |
471 | return FUNC1; | |
472 | else | |
473 | return UNIOP; | |
474 | } | |
475 | ||
a0d0e21e LW |
476 | #endif /* CRIPPLED_CC */ |
477 | ||
478 | #define LOP(f,x) return lop(f,x,s) | |
479 | ||
8990e307 | 480 | static I32 |
f86702cc | 481 | lop |
482 | #ifdef CAN_PROTOTYPE | |
483 | (I32 f, expectation x, char *s) | |
484 | #else | |
485 | (f,x,s) | |
79072805 | 486 | I32 f; |
a0d0e21e | 487 | expectation x; |
ffed7fef | 488 | char *s; |
f86702cc | 489 | #endif /* CAN_PROTOTYPE */ |
ffed7fef | 490 | { |
0f15f207 | 491 | dTHR; |
79072805 | 492 | yylval.ival = f; |
35c8bce7 | 493 | CLINE; |
a0d0e21e | 494 | expect = x; |
79072805 | 495 | bufptr = s; |
8990e307 LW |
496 | last_lop = oldbufptr; |
497 | last_lop_op = f; | |
a0d0e21e LW |
498 | if (nexttoke) |
499 | return LSTOP; | |
79072805 LW |
500 | if (*s == '(') |
501 | return FUNC; | |
502 | s = skipspace(s); | |
503 | if (*s == '(') | |
504 | return FUNC; | |
505 | else | |
506 | return LSTOP; | |
507 | } | |
508 | ||
8990e307 | 509 | static void |
8ac85365 | 510 | force_next(I32 type) |
79072805 LW |
511 | { |
512 | nexttype[nexttoke] = type; | |
513 | nexttoke++; | |
514 | if (lex_state != LEX_KNOWNEXT) { | |
515 | lex_defer = lex_state; | |
463ee0b2 | 516 | lex_expect = expect; |
79072805 LW |
517 | lex_state = LEX_KNOWNEXT; |
518 | } | |
519 | } | |
520 | ||
8990e307 | 521 | static char * |
15f0808c | 522 | force_word(register char *start, int token, int check_keyword, int allow_pack, int allow_initial_tick) |
79072805 | 523 | { |
463ee0b2 LW |
524 | register char *s; |
525 | STRLEN len; | |
526 | ||
527 | start = skipspace(start); | |
528 | s = start; | |
a0d0e21e LW |
529 | if (isIDFIRST(*s) || |
530 | (allow_pack && *s == ':') || | |
15f0808c | 531 | (allow_initial_tick && *s == '\'') ) |
a0d0e21e | 532 | { |
8903cb82 | 533 | s = scan_word(s, tokenbuf, sizeof tokenbuf, allow_pack, &len); |
463ee0b2 LW |
534 | if (check_keyword && keyword(tokenbuf, len)) |
535 | return start; | |
536 | if (token == METHOD) { | |
537 | s = skipspace(s); | |
538 | if (*s == '(') | |
539 | expect = XTERM; | |
540 | else { | |
541 | expect = XOPERATOR; | |
542 | force_next(')'); | |
543 | force_next('('); | |
544 | } | |
79072805 | 545 | } |
463ee0b2 | 546 | nextval[nexttoke].opval = (OP*)newSVOP(OP_CONST,0, newSVpv(tokenbuf,0)); |
8990e307 | 547 | nextval[nexttoke].opval->op_private |= OPpCONST_BARE; |
79072805 LW |
548 | force_next(token); |
549 | } | |
550 | return s; | |
551 | } | |
552 | ||
8990e307 | 553 | static void |
8ac85365 | 554 | force_ident(register char *s, int kind) |
79072805 LW |
555 | { |
556 | if (s && *s) { | |
11343788 MB |
557 | OP* o = (OP*)newSVOP(OP_CONST, 0, newSVpv(s,0)); |
558 | nextval[nexttoke].opval = o; | |
79072805 | 559 | force_next(WORD); |
748a9306 | 560 | if (kind) { |
e858de61 | 561 | dTHR; /* just for in_eval */ |
11343788 | 562 | o->op_private = OPpCONST_ENTERED; |
55497cff | 563 | /* XXX see note in pp_entereval() for why we forgo typo |
564 | warnings if the symbol must be introduced in an eval. | |
565 | GSAR 96-10-12 */ | |
566 | gv_fetchpv(s, in_eval ? GV_ADDMULTI : TRUE, | |
a0d0e21e LW |
567 | kind == '$' ? SVt_PV : |
568 | kind == '@' ? SVt_PVAV : | |
569 | kind == '%' ? SVt_PVHV : | |
570 | SVt_PVGV | |
571 | ); | |
748a9306 | 572 | } |
79072805 LW |
573 | } |
574 | } | |
575 | ||
89bfa8cd | 576 | static char * |
8ac85365 | 577 | force_version(char *s) |
89bfa8cd | 578 | { |
579 | OP *version = Nullop; | |
580 | ||
581 | s = skipspace(s); | |
582 | ||
583 | /* default VERSION number -- GBARR */ | |
584 | ||
585 | if(isDIGIT(*s)) { | |
586 | char *d; | |
587 | int c; | |
55497cff | 588 | for( d=s, c = 1; isDIGIT(*d) || *d == '_' || (*d == '.' && c--); d++); |
89bfa8cd | 589 | if((*d == ';' || isSPACE(*d)) && *(skipspace(d)) != ',') { |
590 | s = scan_num(s); | |
591 | /* real VERSION number -- GBARR */ | |
592 | version = yylval.opval; | |
593 | } | |
594 | } | |
595 | ||
596 | /* NOTE: The parser sees the package name and the VERSION swapped */ | |
597 | nextval[nexttoke].opval = version; | |
598 | force_next(WORD); | |
599 | ||
600 | return (s); | |
601 | } | |
602 | ||
8990e307 | 603 | static SV * |
8ac85365 | 604 | q(SV *sv) |
79072805 LW |
605 | { |
606 | register char *s; | |
607 | register char *send; | |
608 | register char *d; | |
463ee0b2 | 609 | STRLEN len; |
79072805 LW |
610 | |
611 | if (!SvLEN(sv)) | |
612 | return sv; | |
613 | ||
a0d0e21e | 614 | s = SvPV_force(sv, len); |
748a9306 LW |
615 | if (SvIVX(sv) == -1) |
616 | return sv; | |
463ee0b2 | 617 | send = s + len; |
79072805 LW |
618 | while (s < send && *s != '\\') |
619 | s++; | |
620 | if (s == send) | |
621 | return sv; | |
622 | d = s; | |
79072805 LW |
623 | while (s < send) { |
624 | if (*s == '\\') { | |
a0d0e21e | 625 | if (s + 1 < send && (s[1] == '\\')) |
79072805 LW |
626 | s++; /* all that, just for this */ |
627 | } | |
628 | *d++ = *s++; | |
629 | } | |
630 | *d = '\0'; | |
463ee0b2 | 631 | SvCUR_set(sv, d - SvPVX(sv)); |
79072805 LW |
632 | |
633 | return sv; | |
634 | } | |
635 | ||
8990e307 | 636 | static I32 |
8ac85365 | 637 | sublex_start(void) |
79072805 LW |
638 | { |
639 | register I32 op_type = yylval.ival; | |
79072805 LW |
640 | |
641 | if (op_type == OP_NULL) { | |
642 | yylval.opval = lex_op; | |
643 | lex_op = Nullop; | |
644 | return THING; | |
645 | } | |
646 | if (op_type == OP_CONST || op_type == OP_READLINE) { | |
1c9c84df CS |
647 | SV *sv = q(lex_stuff); |
648 | STRLEN len; | |
649 | char *p = SvPV(sv, len); | |
650 | yylval.opval = (OP*)newSVOP(op_type, 0, newSVpv(p, len)); | |
651 | SvREFCNT_dec(sv); | |
79072805 LW |
652 | lex_stuff = Nullsv; |
653 | return THING; | |
654 | } | |
655 | ||
55497cff | 656 | sublex_info.super_state = lex_state; |
657 | sublex_info.sub_inwhat = op_type; | |
658 | sublex_info.sub_op = lex_op; | |
659 | lex_state = LEX_INTERPPUSH; | |
660 | ||
661 | expect = XTERM; | |
662 | if (lex_op) { | |
663 | yylval.opval = lex_op; | |
664 | lex_op = Nullop; | |
665 | return PMFUNC; | |
666 | } | |
667 | else | |
668 | return FUNC; | |
669 | } | |
670 | ||
671 | static I32 | |
8ac85365 | 672 | sublex_push(void) |
55497cff | 673 | { |
0f15f207 | 674 | dTHR; |
f46d017c | 675 | ENTER; |
55497cff | 676 | |
677 | lex_state = sublex_info.super_state; | |
678 | SAVEI32(lex_dojoin); | |
679 | SAVEI32(lex_brackets); | |
680 | SAVEI32(lex_fakebrack); | |
681 | SAVEI32(lex_casemods); | |
682 | SAVEI32(lex_starts); | |
683 | SAVEI32(lex_state); | |
a0d0e21e | 684 | SAVESPTR(lex_inpat); |
55497cff | 685 | SAVEI32(lex_inwhat); |
686 | SAVEI16(curcop->cop_line); | |
85e6fe83 LW |
687 | SAVEPPTR(bufptr); |
688 | SAVEPPTR(oldbufptr); | |
689 | SAVEPPTR(oldoldbufptr); | |
fd049845 | 690 | SAVEPPTR(linestart); |
79072805 | 691 | SAVESPTR(linestr); |
85e6fe83 | 692 | SAVEPPTR(lex_brackstack); |
a0d0e21e | 693 | SAVEPPTR(lex_casestack); |
79072805 LW |
694 | |
695 | linestr = lex_stuff; | |
696 | lex_stuff = Nullsv; | |
697 | ||
fd049845 | 698 | bufend = bufptr = oldbufptr = oldoldbufptr = linestart = SvPVX(linestr); |
79072805 | 699 | bufend += SvCUR(linestr); |
8990e307 | 700 | SAVEFREESV(linestr); |
79072805 LW |
701 | |
702 | lex_dojoin = FALSE; | |
703 | lex_brackets = 0; | |
704 | lex_fakebrack = 0; | |
8990e307 | 705 | New(899, lex_brackstack, 120, char); |
a0d0e21e | 706 | New(899, lex_casestack, 12, char); |
8990e307 | 707 | SAVEFREEPV(lex_brackstack); |
a0d0e21e | 708 | SAVEFREEPV(lex_casestack); |
79072805 | 709 | lex_casemods = 0; |
a0d0e21e | 710 | *lex_casestack = '\0'; |
79072805 LW |
711 | lex_starts = 0; |
712 | lex_state = LEX_INTERPCONCAT; | |
713 | curcop->cop_line = multi_start; | |
714 | ||
55497cff | 715 | lex_inwhat = sublex_info.sub_inwhat; |
716 | if (lex_inwhat == OP_MATCH || lex_inwhat == OP_SUBST) | |
717 | lex_inpat = sublex_info.sub_op; | |
79072805 | 718 | else |
55497cff | 719 | lex_inpat = Nullop; |
79072805 | 720 | |
55497cff | 721 | return '('; |
79072805 LW |
722 | } |
723 | ||
8990e307 | 724 | static I32 |
8ac85365 | 725 | sublex_done(void) |
79072805 LW |
726 | { |
727 | if (!lex_starts++) { | |
728 | expect = XOPERATOR; | |
93a17b20 | 729 | yylval.opval = (OP*)newSVOP(OP_CONST, 0, newSVpv("",0)); |
79072805 LW |
730 | return THING; |
731 | } | |
732 | ||
733 | if (lex_casemods) { /* oops, we've got some unbalanced parens */ | |
734 | lex_state = LEX_INTERPCASEMOD; | |
735 | return yylex(); | |
736 | } | |
737 | ||
79072805 LW |
738 | /* Is there a right-hand side to take care of? */ |
739 | if (lex_repl && (lex_inwhat == OP_SUBST || lex_inwhat == OP_TRANS)) { | |
740 | linestr = lex_repl; | |
741 | lex_inpat = 0; | |
fd049845 | 742 | bufend = bufptr = oldbufptr = oldoldbufptr = linestart = SvPVX(linestr); |
79072805 | 743 | bufend += SvCUR(linestr); |
8990e307 | 744 | SAVEFREESV(linestr); |
79072805 LW |
745 | lex_dojoin = FALSE; |
746 | lex_brackets = 0; | |
747 | lex_fakebrack = 0; | |
748 | lex_casemods = 0; | |
a0d0e21e | 749 | *lex_casestack = '\0'; |
79072805 LW |
750 | lex_starts = 0; |
751 | if (SvCOMPILED(lex_repl)) { | |
752 | lex_state = LEX_INTERPNORMAL; | |
753 | lex_starts++; | |
754 | } | |
755 | else | |
756 | lex_state = LEX_INTERPCONCAT; | |
757 | lex_repl = Nullsv; | |
758 | return ','; | |
ffed7fef LW |
759 | } |
760 | else { | |
f46d017c | 761 | LEAVE; |
463ee0b2 | 762 | bufend = SvPVX(linestr); |
79072805 LW |
763 | bufend += SvCUR(linestr); |
764 | expect = XOPERATOR; | |
765 | return ')'; | |
ffed7fef LW |
766 | } |
767 | } | |
768 | ||
8990e307 | 769 | static char * |
8ac85365 | 770 | scan_const(char *start) |
79072805 LW |
771 | { |
772 | register char *send = bufend; | |
773 | SV *sv = NEWSV(93, send - start); | |
774 | register char *s = start; | |
463ee0b2 | 775 | register char *d = SvPVX(sv); |
79072805 LW |
776 | bool dorange = FALSE; |
777 | I32 len; | |
72aaf631 | 778 | char *leaveit = |
79072805 | 779 | lex_inpat |
748a9306 | 780 | ? "\\.^$@AGZdDwWsSbB+*?|()-nrtfeaxc0123456789[{]} \t\n\r\f\v#" |
79072805 LW |
781 | : (lex_inwhat & OP_TRANS) |
782 | ? "" | |
783 | : ""; | |
784 | ||
785 | while (s < send || dorange) { | |
786 | if (lex_inwhat == OP_TRANS) { | |
787 | if (dorange) { | |
788 | I32 i; | |
789 | I32 max; | |
463ee0b2 | 790 | i = d - SvPVX(sv); |
79072805 | 791 | SvGROW(sv, SvLEN(sv) + 256); |
463ee0b2 | 792 | d = SvPVX(sv) + i; |
79072805 | 793 | d -= 2; |
91b7def8 | 794 | max = (U8)d[1]; |
795 | for (i = (U8)*d; i <= max; i++) | |
79072805 LW |
796 | *d++ = i; |
797 | dorange = FALSE; | |
798 | continue; | |
799 | } | |
800 | else if (*s == '-' && s+1 < send && s != start) { | |
801 | dorange = TRUE; | |
802 | s++; | |
803 | } | |
804 | } | |
cc6b7395 IZ |
805 | else if (*s == '(' && lex_inpat && s[1] == '?') { |
806 | if (s[2] == '#') { | |
807 | while (s < send && *s != ')') | |
808 | *d++ = *s++; | |
809 | } else if (s[2] == '{') { /* This should march regcomp.c */ | |
810 | I32 count = 1; | |
811 | char *regparse = s + 3; | |
812 | char c; | |
813 | ||
814 | while (count && (c = *regparse)) { | |
815 | if (c == '\\' && regparse[1]) | |
816 | regparse++; | |
817 | else if (c == '{') | |
818 | count++; | |
819 | else if (c == '}') | |
820 | count--; | |
821 | regparse++; | |
822 | } | |
823 | if (*regparse == ')') | |
824 | regparse++; | |
825 | else | |
826 | yyerror("Sequence (?{...}) not terminated or not {}-balanced"); | |
827 | while (s < regparse && *s != ')') | |
828 | *d++ = *s++; | |
829 | } | |
748a9306 LW |
830 | } |
831 | else if (*s == '#' && lex_inpat && | |
832 | ((PMOP*)lex_inpat)->op_pmflags & PMf_EXTENDED) { | |
833 | while (s+1 < send && *s != '\n') | |
834 | *d++ = *s++; | |
835 | } | |
a0d0e21e | 836 | else if (*s == '@' && s[1] && (isALNUM(s[1]) || strchr(":'{$", s[1]))) |
79072805 LW |
837 | break; |
838 | else if (*s == '$') { | |
839 | if (!lex_inpat) /* not a regexp, so $ must be var */ | |
840 | break; | |
c277df42 | 841 | if (s + 1 < send && !strchr("()| \n\t", s[1])) |
79072805 LW |
842 | break; /* in regexp, $ might be tail anchor */ |
843 | } | |
844 | if (*s == '\\' && s+1 < send) { | |
845 | s++; | |
72aaf631 | 846 | if (*s && strchr(leaveit, *s)) { |
79072805 LW |
847 | *d++ = '\\'; |
848 | *d++ = *s++; | |
849 | continue; | |
850 | } | |
851 | if (lex_inwhat == OP_SUBST && !lex_inpat && | |
a0d0e21e | 852 | isDIGIT(*s) && *s != '0' && !isDIGIT(s[1])) |
79072805 | 853 | { |
a0d0e21e LW |
854 | if (dowarn) |
855 | warn("\\%c better written as $%c", *s, *s); | |
79072805 LW |
856 | *--s = '$'; |
857 | break; | |
858 | } | |
a0d0e21e | 859 | if (lex_inwhat != OP_TRANS && *s && strchr("lLuUEQ", *s)) { |
79072805 LW |
860 | --s; |
861 | break; | |
862 | } | |
863 | switch (*s) { | |
864 | case '-': | |
865 | if (lex_inwhat == OP_TRANS) { | |
866 | *d++ = *s++; | |
867 | continue; | |
868 | } | |
869 | /* FALL THROUGH */ | |
870 | default: | |
871 | *d++ = *s++; | |
872 | continue; | |
873 | case '0': case '1': case '2': case '3': | |
874 | case '4': case '5': case '6': case '7': | |
875 | *d++ = scan_oct(s, 3, &len); | |
876 | s += len; | |
877 | continue; | |
878 | case 'x': | |
879 | *d++ = scan_hex(++s, 2, &len); | |
880 | s += len; | |
881 | continue; | |
882 | case 'c': | |
883 | s++; | |
bbce6d69 | 884 | len = *s++; |
885 | *d++ = toCTRL(len); | |
79072805 LW |
886 | continue; |
887 | case 'b': | |
888 | *d++ = '\b'; | |
889 | break; | |
890 | case 'n': | |
891 | *d++ = '\n'; | |
892 | break; | |
893 | case 'r': | |
894 | *d++ = '\r'; | |
895 | break; | |
896 | case 'f': | |
897 | *d++ = '\f'; | |
898 | break; | |
899 | case 't': | |
900 | *d++ = '\t'; | |
901 | break; | |
902 | case 'e': | |
903 | *d++ = '\033'; | |
904 | break; | |
905 | case 'a': | |
906 | *d++ = '\007'; | |
907 | break; | |
908 | } | |
909 | s++; | |
910 | continue; | |
911 | } | |
912 | *d++ = *s++; | |
913 | } | |
914 | *d = '\0'; | |
463ee0b2 | 915 | SvCUR_set(sv, d - SvPVX(sv)); |
79072805 LW |
916 | SvPOK_on(sv); |
917 | ||
918 | if (SvCUR(sv) + 5 < SvLEN(sv)) { | |
919 | SvLEN_set(sv, SvCUR(sv) + 1); | |
463ee0b2 | 920 | Renew(SvPVX(sv), SvLEN(sv), char); |
79072805 LW |
921 | } |
922 | if (s > bufptr) | |
923 | yylval.opval = (OP*)newSVOP(OP_CONST, 0, sv); | |
924 | else | |
8990e307 | 925 | SvREFCNT_dec(sv); |
79072805 LW |
926 | return s; |
927 | } | |
928 | ||
929 | /* This is the one truly awful dwimmer necessary to conflate C and sed. */ | |
8990e307 | 930 | static int |
8ac85365 | 931 | intuit_more(register char *s) |
79072805 LW |
932 | { |
933 | if (lex_brackets) | |
934 | return TRUE; | |
935 | if (*s == '-' && s[1] == '>' && (s[2] == '[' || s[2] == '{')) | |
936 | return TRUE; | |
937 | if (*s != '{' && *s != '[') | |
938 | return FALSE; | |
939 | if (!lex_inpat) | |
940 | return TRUE; | |
941 | ||
942 | /* In a pattern, so maybe we have {n,m}. */ | |
943 | if (*s == '{') { | |
944 | s++; | |
945 | if (!isDIGIT(*s)) | |
946 | return TRUE; | |
947 | while (isDIGIT(*s)) | |
948 | s++; | |
949 | if (*s == ',') | |
950 | s++; | |
951 | while (isDIGIT(*s)) | |
952 | s++; | |
953 | if (*s == '}') | |
954 | return FALSE; | |
955 | return TRUE; | |
956 | ||
957 | } | |
958 | ||
959 | /* On the other hand, maybe we have a character class */ | |
960 | ||
961 | s++; | |
962 | if (*s == ']' || *s == '^') | |
963 | return FALSE; | |
964 | else { | |
965 | int weight = 2; /* let's weigh the evidence */ | |
966 | char seen[256]; | |
967 | unsigned char un_char = 0, last_un_char; | |
93a17b20 | 968 | char *send = strchr(s,']'); |
8903cb82 | 969 | char tmpbuf[sizeof tokenbuf * 4]; |
79072805 LW |
970 | |
971 | if (!send) /* has to be an expression */ | |
972 | return TRUE; | |
973 | ||
974 | Zero(seen,256,char); | |
975 | if (*s == '$') | |
976 | weight -= 3; | |
977 | else if (isDIGIT(*s)) { | |
978 | if (s[1] != ']') { | |
979 | if (isDIGIT(s[1]) && s[2] == ']') | |
980 | weight -= 10; | |
981 | } | |
982 | else | |
983 | weight -= 100; | |
984 | } | |
985 | for (; s < send; s++) { | |
986 | last_un_char = un_char; | |
987 | un_char = (unsigned char)*s; | |
988 | switch (*s) { | |
989 | case '@': | |
990 | case '&': | |
991 | case '$': | |
992 | weight -= seen[un_char] * 10; | |
993 | if (isALNUM(s[1])) { | |
8903cb82 | 994 | scan_ident(s, send, tmpbuf, sizeof tmpbuf, FALSE); |
a0d0e21e | 995 | if ((int)strlen(tmpbuf) > 1 && gv_fetchpv(tmpbuf,FALSE, SVt_PV)) |
79072805 LW |
996 | weight -= 100; |
997 | else | |
998 | weight -= 10; | |
999 | } | |
1000 | else if (*s == '$' && s[1] && | |
93a17b20 LW |
1001 | strchr("[#!%*<>()-=",s[1])) { |
1002 | if (/*{*/ strchr("])} =",s[2])) | |
79072805 LW |
1003 | weight -= 10; |
1004 | else | |
1005 | weight -= 1; | |
1006 | } | |
1007 | break; | |
1008 | case '\\': | |
1009 | un_char = 254; | |
1010 | if (s[1]) { | |
93a17b20 | 1011 | if (strchr("wds]",s[1])) |
79072805 LW |
1012 | weight += 100; |
1013 | else if (seen['\''] || seen['"']) | |
1014 | weight += 1; | |
93a17b20 | 1015 | else if (strchr("rnftbxcav",s[1])) |
79072805 LW |
1016 | weight += 40; |
1017 | else if (isDIGIT(s[1])) { | |
1018 | weight += 40; | |
1019 | while (s[1] && isDIGIT(s[1])) | |
1020 | s++; | |
1021 | } | |
1022 | } | |
1023 | else | |
1024 | weight += 100; | |
1025 | break; | |
1026 | case '-': | |
1027 | if (s[1] == '\\') | |
1028 | weight += 50; | |
93a17b20 | 1029 | if (strchr("aA01! ",last_un_char)) |
79072805 | 1030 | weight += 30; |
93a17b20 | 1031 | if (strchr("zZ79~",s[1])) |
79072805 LW |
1032 | weight += 30; |
1033 | break; | |
1034 | default: | |
93a17b20 | 1035 | if (!isALNUM(last_un_char) && !strchr("$@&",last_un_char) && |
79072805 LW |
1036 | isALPHA(*s) && s[1] && isALPHA(s[1])) { |
1037 | char *d = tmpbuf; | |
1038 | while (isALPHA(*s)) | |
1039 | *d++ = *s++; | |
1040 | *d = '\0'; | |
1041 | if (keyword(tmpbuf, d - tmpbuf)) | |
1042 | weight -= 150; | |
1043 | } | |
1044 | if (un_char == last_un_char + 1) | |
1045 | weight += 5; | |
1046 | weight -= seen[un_char]; | |
1047 | break; | |
1048 | } | |
1049 | seen[un_char]++; | |
1050 | } | |
1051 | if (weight >= 0) /* probably a character class */ | |
1052 | return FALSE; | |
1053 | } | |
1054 | ||
1055 | return TRUE; | |
1056 | } | |
ffed7fef | 1057 | |
a0d0e21e | 1058 | static int |
8ac85365 | 1059 | intuit_method(char *start, GV *gv) |
a0d0e21e LW |
1060 | { |
1061 | char *s = start + (*start == '$'); | |
8903cb82 | 1062 | char tmpbuf[sizeof tokenbuf]; |
a0d0e21e LW |
1063 | STRLEN len; |
1064 | GV* indirgv; | |
1065 | ||
1066 | if (gv) { | |
b6c543e3 | 1067 | CV *cv; |
a0d0e21e LW |
1068 | if (GvIO(gv)) |
1069 | return 0; | |
b6c543e3 IZ |
1070 | if ((cv = GvCVu(gv))) { |
1071 | char *proto = SvPVX(cv); | |
1072 | if (proto) { | |
1073 | if (*proto == ';') | |
1074 | proto++; | |
1075 | if (*proto == '*') | |
1076 | return 0; | |
1077 | } | |
1078 | } else | |
a0d0e21e LW |
1079 | gv = 0; |
1080 | } | |
8903cb82 | 1081 | s = scan_word(s, tmpbuf, sizeof tmpbuf, TRUE, &len); |
a0d0e21e LW |
1082 | if (*start == '$') { |
1083 | if (gv || last_lop_op == OP_PRINT || isUPPER(*tokenbuf)) | |
1084 | return 0; | |
1085 | s = skipspace(s); | |
1086 | bufptr = start; | |
1087 | expect = XREF; | |
1088 | return *s == '(' ? FUNCMETH : METHOD; | |
1089 | } | |
1090 | if (!keyword(tmpbuf, len)) { | |
1091 | indirgv = gv_fetchpv(tmpbuf,FALSE, SVt_PVCV); | |
8ebc5c01 | 1092 | if (indirgv && GvCVu(indirgv)) |
a0d0e21e LW |
1093 | return 0; |
1094 | /* filehandle or package name makes it a method */ | |
89bfa8cd | 1095 | if (!gv || GvIO(indirgv) || gv_stashpvn(tmpbuf, len, FALSE)) { |
a0d0e21e | 1096 | s = skipspace(s); |
55497cff | 1097 | if ((bufend - s) >= 2 && *s == '=' && *(s+1) == '>') |
1098 | return 0; /* no assumptions -- "=>" quotes bearword */ | |
a0d0e21e LW |
1099 | nextval[nexttoke].opval = |
1100 | (OP*)newSVOP(OP_CONST, 0, | |
1101 | newSVpv(tmpbuf,0)); | |
1102 | nextval[nexttoke].opval->op_private = | |
1103 | OPpCONST_BARE; | |
1104 | expect = XTERM; | |
1105 | force_next(WORD); | |
1106 | bufptr = s; | |
1107 | return *s == '(' ? FUNCMETH : METHOD; | |
1108 | } | |
1109 | } | |
1110 | return 0; | |
1111 | } | |
1112 | ||
1113 | static char* | |
8ac85365 | 1114 | incl_perldb(void) |
a0d0e21e LW |
1115 | { |
1116 | if (perldb) { | |
5fd9e9a4 | 1117 | char *pdb = PerlEnv_getenv("PERL5DB"); |
a0d0e21e LW |
1118 | |
1119 | if (pdb) | |
1120 | return pdb; | |
61bb5906 | 1121 | SETERRNO(0,SS$_NORMAL); |
a0d0e21e LW |
1122 | return "BEGIN { require 'perl5db.pl' }"; |
1123 | } | |
1124 | return ""; | |
1125 | } | |
1126 | ||
1127 | ||
16d20bd9 AD |
1128 | /* Encoded script support. filter_add() effectively inserts a |
1129 | * 'pre-processing' function into the current source input stream. | |
1130 | * Note that the filter function only applies to the current source file | |
1131 | * (e.g., it will not affect files 'require'd or 'use'd by this one). | |
1132 | * | |
1133 | * The datasv parameter (which may be NULL) can be used to pass | |
1134 | * private data to this instance of the filter. The filter function | |
1135 | * can recover the SV using the FILTER_DATA macro and use it to | |
1136 | * store private buffers and state information. | |
1137 | * | |
1138 | * The supplied datasv parameter is upgraded to a PVIO type | |
1139 | * and the IoDIRP field is used to store the function pointer. | |
1140 | * Note that IoTOP_NAME, IoFMT_NAME, IoBOTTOM_NAME, if set for | |
1141 | * private use must be set using malloc'd pointers. | |
1142 | */ | |
1143 | static int filter_debug = 0; | |
1144 | ||
1145 | SV * | |
8ac85365 | 1146 | filter_add(filter_t funcp, SV *datasv) |
16d20bd9 AD |
1147 | { |
1148 | if (!funcp){ /* temporary handy debugging hack to be deleted */ | |
1149 | filter_debug = atoi((char*)datasv); | |
1150 | return NULL; | |
1151 | } | |
1152 | if (!rsfp_filters) | |
1153 | rsfp_filters = newAV(); | |
1154 | if (!datasv) | |
8c52afec | 1155 | datasv = NEWSV(255,0); |
16d20bd9 AD |
1156 | if (!SvUPGRADE(datasv, SVt_PVIO)) |
1157 | die("Can't upgrade filter_add data to SVt_PVIO"); | |
1158 | IoDIRP(datasv) = (DIR*)funcp; /* stash funcp into spare field */ | |
1159 | if (filter_debug) | |
ff0cee69 | 1160 | warn("filter_add func %p (%s)", funcp, SvPV(datasv,na)); |
e50aee73 AD |
1161 | av_unshift(rsfp_filters, 1); |
1162 | av_store(rsfp_filters, 0, datasv) ; | |
16d20bd9 AD |
1163 | return(datasv); |
1164 | } | |
1165 | ||
1166 | ||
1167 | /* Delete most recently added instance of this filter function. */ | |
a0d0e21e | 1168 | void |
8ac85365 | 1169 | filter_del(filter_t funcp) |
16d20bd9 AD |
1170 | { |
1171 | if (filter_debug) | |
ff0cee69 | 1172 | warn("filter_del func %p", funcp); |
93965878 | 1173 | if (!rsfp_filters || AvFILLp(rsfp_filters)<0) |
16d20bd9 AD |
1174 | return; |
1175 | /* if filter is on top of stack (usual case) just pop it off */ | |
93965878 | 1176 | if (IoDIRP(FILTER_DATA(AvFILLp(rsfp_filters))) == (void*)funcp){ |
ff2faa2b | 1177 | sv_free(av_pop(rsfp_filters)); |
e50aee73 | 1178 | |
16d20bd9 AD |
1179 | return; |
1180 | } | |
1181 | /* we need to search for the correct entry and clear it */ | |
1182 | die("filter_del can only delete in reverse order (currently)"); | |
1183 | } | |
1184 | ||
1185 | ||
1186 | /* Invoke the n'th filter function for the current rsfp. */ | |
1187 | I32 | |
8ac85365 NIS |
1188 | filter_read(int idx, SV *buf_sv, int maxlen) |
1189 | ||
1190 | ||
1191 | /* 0 = read one text line */ | |
a0d0e21e | 1192 | { |
16d20bd9 AD |
1193 | filter_t funcp; |
1194 | SV *datasv = NULL; | |
e50aee73 | 1195 | |
16d20bd9 AD |
1196 | if (!rsfp_filters) |
1197 | return -1; | |
93965878 | 1198 | if (idx > AvFILLp(rsfp_filters)){ /* Any more filters? */ |
16d20bd9 AD |
1199 | /* Provide a default input filter to make life easy. */ |
1200 | /* Note that we append to the line. This is handy. */ | |
16d20bd9 AD |
1201 | if (filter_debug) |
1202 | warn("filter_read %d: from rsfp\n", idx); | |
1203 | if (maxlen) { | |
1204 | /* Want a block */ | |
1205 | int len ; | |
1206 | int old_len = SvCUR(buf_sv) ; | |
1207 | ||
1208 | /* ensure buf_sv is large enough */ | |
1209 | SvGROW(buf_sv, old_len + maxlen) ; | |
760ac839 LW |
1210 | if ((len = PerlIO_read(rsfp, SvPVX(buf_sv) + old_len, maxlen)) <= 0){ |
1211 | if (PerlIO_error(rsfp)) | |
37120919 AD |
1212 | return -1; /* error */ |
1213 | else | |
1214 | return 0 ; /* end of file */ | |
1215 | } | |
16d20bd9 AD |
1216 | SvCUR_set(buf_sv, old_len + len) ; |
1217 | } else { | |
1218 | /* Want a line */ | |
37120919 | 1219 | if (sv_gets(buf_sv, rsfp, SvCUR(buf_sv)) == NULL) { |
760ac839 | 1220 | if (PerlIO_error(rsfp)) |
37120919 AD |
1221 | return -1; /* error */ |
1222 | else | |
1223 | return 0 ; /* end of file */ | |
1224 | } | |
a868473f | 1225 | |
16d20bd9 AD |
1226 | } |
1227 | return SvCUR(buf_sv); | |
1228 | } | |
1229 | /* Skip this filter slot if filter has been deleted */ | |
1230 | if ( (datasv = FILTER_DATA(idx)) == &sv_undef){ | |
1231 | if (filter_debug) | |
1232 | warn("filter_read %d: skipped (filter deleted)\n", idx); | |
1233 | return FILTER_READ(idx+1, buf_sv, maxlen); /* recurse */ | |
1234 | } | |
1235 | /* Get function pointer hidden within datasv */ | |
1236 | funcp = (filter_t)IoDIRP(datasv); | |
1237 | if (filter_debug) | |
ff0cee69 | 1238 | warn("filter_read %d: via function %p (%s)\n", |
16d20bd9 AD |
1239 | idx, funcp, SvPV(datasv,na)); |
1240 | /* Call function. The function is expected to */ | |
1241 | /* call "FILTER_READ(idx+1, buf_sv)" first. */ | |
37120919 | 1242 | /* Return: <0:error, =0:eof, >0:not eof */ |
16d20bd9 AD |
1243 | return (*funcp)(idx, buf_sv, maxlen); |
1244 | } | |
1245 | ||
a868473f | 1246 | |
16d20bd9 | 1247 | static char * |
6acef3b7 | 1248 | filter_gets(register SV *sv, register PerlIO *fp, STRLEN append) |
16d20bd9 | 1249 | { |
a868473f NIS |
1250 | #ifdef WIN32FILTER |
1251 | if (!rsfp_filters) { | |
1252 | filter_add(win32_textfilter,NULL); | |
1253 | } | |
1254 | #endif | |
16d20bd9 AD |
1255 | if (rsfp_filters) { |
1256 | ||
55497cff | 1257 | if (!append) |
1258 | SvCUR_set(sv, 0); /* start with empty line */ | |
16d20bd9 AD |
1259 | if (FILTER_READ(0, sv, 0) > 0) |
1260 | return ( SvPVX(sv) ) ; | |
1261 | else | |
1262 | return Nullch ; | |
1263 | } | |
1264 | else | |
fd049845 | 1265 | return (sv_gets(sv, fp, append)); |
a0d0e21e LW |
1266 | } |
1267 | ||
1268 | ||
748a9306 LW |
1269 | #ifdef DEBUGGING |
1270 | static char* exp_name[] = | |
a0d0e21e | 1271 | { "OPERATOR", "TERM", "REF", "STATE", "BLOCK", "TERMBLOCK" }; |
748a9306 | 1272 | #endif |
463ee0b2 | 1273 | |
71be2cbc | 1274 | EXT int yychar; /* last token */ |
463ee0b2 | 1275 | |
2f3197b3 | 1276 | int |
8ac85365 | 1277 | yylex(void) |
378cc40b | 1278 | { |
11343788 | 1279 | dTHR; |
79072805 | 1280 | register char *s; |
378cc40b | 1281 | register char *d; |
79072805 | 1282 | register I32 tmp; |
463ee0b2 | 1283 | STRLEN len; |
161b471a NIS |
1284 | GV *gv = Nullgv; |
1285 | GV **gvp = 0; | |
a687059c | 1286 | |
bbce6d69 | 1287 | if (pending_ident) { |
1288 | char pit = pending_ident; | |
1289 | pending_ident = 0; | |
1290 | ||
1291 | if (in_my) { | |
1292 | if (strchr(tokenbuf,':')) | |
1293 | croak(no_myglob,tokenbuf); | |
1294 | yylval.opval = newOP(OP_PADANY, 0); | |
1295 | yylval.opval->op_targ = pad_allocmy(tokenbuf); | |
1296 | return PRIVATEREF; | |
1297 | } | |
1298 | ||
a863c7d1 MB |
1299 | if (!strchr(tokenbuf,':')) { |
1300 | #ifdef USE_THREADS | |
54b9620d | 1301 | /* Check for single character per-thread SVs */ |
a863c7d1 | 1302 | if (tokenbuf[0] == '$' && tokenbuf[2] == '\0' |
54b9620d MB |
1303 | && !isALPHA(tokenbuf[1]) /* Rule out obvious non-threadsvs */ |
1304 | && (tmp = find_threadsv(&tokenbuf[1])) != NOT_IN_PAD) | |
554b3eca | 1305 | { |
2faa37cc | 1306 | yylval.opval = newOP(OP_THREADSV, 0); |
a863c7d1 MB |
1307 | yylval.opval->op_targ = tmp; |
1308 | return PRIVATEREF; | |
1309 | } | |
1310 | #endif /* USE_THREADS */ | |
1311 | if ((tmp = pad_findmy(tokenbuf)) != NOT_IN_PAD) { | |
1312 | if (last_lop_op == OP_SORT && | |
1313 | tokenbuf[0] == '$' && | |
1314 | (tokenbuf[1] == 'a' || tokenbuf[1] == 'b') | |
1315 | && !tokenbuf[2]) | |
bbce6d69 | 1316 | { |
a863c7d1 MB |
1317 | for (d = in_eval ? oldoldbufptr : linestart; |
1318 | d < bufend && *d != '\n'; | |
1319 | d++) | |
1320 | { | |
1321 | if (strnEQ(d,"<=>",3) || strnEQ(d,"cmp",3)) { | |
1322 | croak("Can't use \"my %s\" in sort comparison", | |
1323 | tokenbuf); | |
1324 | } | |
bbce6d69 | 1325 | } |
1326 | } | |
bbce6d69 | 1327 | |
a863c7d1 MB |
1328 | yylval.opval = newOP(OP_PADANY, 0); |
1329 | yylval.opval->op_targ = tmp; | |
1330 | return PRIVATEREF; | |
1331 | } | |
bbce6d69 | 1332 | } |
1333 | ||
1334 | /* Force them to make up their mind on "@foo". */ | |
1335 | if (pit == '@' && lex_state != LEX_NORMAL && !lex_brackets) { | |
1336 | GV *gv = gv_fetchpv(tokenbuf+1, FALSE, SVt_PVAV); | |
46fc3d4c | 1337 | if (!gv || ((tokenbuf[0] == '@') ? !GvAV(gv) : !GvHV(gv))) |
1338 | yyerror(form("In string, %s now must be written as \\%s", | |
1339 | tokenbuf, tokenbuf)); | |
bbce6d69 | 1340 | } |
1341 | ||
1342 | yylval.opval = (OP*)newSVOP(OP_CONST, 0, newSVpv(tokenbuf+1, 0)); | |
1343 | yylval.opval->op_private = OPpCONST_ENTERED; | |
1344 | gv_fetchpv(tokenbuf+1, in_eval ? GV_ADDMULTI : TRUE, | |
1345 | ((tokenbuf[0] == '$') ? SVt_PV | |
1346 | : (tokenbuf[0] == '@') ? SVt_PVAV | |
1347 | : SVt_PVHV)); | |
1348 | return WORD; | |
1349 | } | |
1350 | ||
79072805 LW |
1351 | switch (lex_state) { |
1352 | #ifdef COMMENTARY | |
1353 | case LEX_NORMAL: /* Some compilers will produce faster */ | |
1354 | case LEX_INTERPNORMAL: /* code if we comment these out. */ | |
1355 | break; | |
1356 | #endif | |
1357 | ||
1358 | case LEX_KNOWNEXT: | |
1359 | nexttoke--; | |
1360 | yylval = nextval[nexttoke]; | |
463ee0b2 | 1361 | if (!nexttoke) { |
79072805 | 1362 | lex_state = lex_defer; |
463ee0b2 | 1363 | expect = lex_expect; |
a0d0e21e | 1364 | lex_defer = LEX_NORMAL; |
463ee0b2 | 1365 | } |
79072805 LW |
1366 | return(nexttype[nexttoke]); |
1367 | ||
1368 | case LEX_INTERPCASEMOD: | |
1369 | #ifdef DEBUGGING | |
1370 | if (bufptr != bufend && *bufptr != '\\') | |
463ee0b2 | 1371 | croak("panic: INTERPCASEMOD"); |
79072805 LW |
1372 | #endif |
1373 | if (bufptr == bufend || bufptr[1] == 'E') { | |
a0d0e21e | 1374 | char oldmod; |
79072805 | 1375 | if (lex_casemods) { |
a0d0e21e LW |
1376 | oldmod = lex_casestack[--lex_casemods]; |
1377 | lex_casestack[lex_casemods] = '\0'; | |
1378 | if (bufptr != bufend && strchr("LUQ", oldmod)) { | |
1379 | bufptr += 2; | |
1380 | lex_state = LEX_INTERPCONCAT; | |
1381 | } | |
79072805 LW |
1382 | return ')'; |
1383 | } | |
a0d0e21e LW |
1384 | if (bufptr != bufend) |
1385 | bufptr += 2; | |
1386 | lex_state = LEX_INTERPCONCAT; | |
79072805 LW |
1387 | return yylex(); |
1388 | } | |
1389 | else { | |
1390 | s = bufptr + 1; | |
1391 | if (strnEQ(s, "L\\u", 3) || strnEQ(s, "U\\l", 3)) | |
1392 | tmp = *s, *s = s[2], s[2] = tmp; /* misordered... */ | |
a0d0e21e LW |
1393 | if (strchr("LU", *s) && |
1394 | (strchr(lex_casestack, 'L') || strchr(lex_casestack, 'U'))) | |
1395 | { | |
1396 | lex_casestack[--lex_casemods] = '\0'; | |
1397 | return ')'; | |
1398 | } | |
1399 | if (lex_casemods > 10) { | |
89bfa8cd | 1400 | char* newlb = Renew(lex_casestack, lex_casemods + 2, char); |
a0d0e21e LW |
1401 | if (newlb != lex_casestack) { |
1402 | SAVEFREEPV(newlb); | |
1403 | lex_casestack = newlb; | |
1404 | } | |
1405 | } | |
1406 | lex_casestack[lex_casemods++] = *s; | |
1407 | lex_casestack[lex_casemods] = '\0'; | |
79072805 LW |
1408 | lex_state = LEX_INTERPCONCAT; |
1409 | nextval[nexttoke].ival = 0; | |
1410 | force_next('('); | |
1411 | if (*s == 'l') | |
1412 | nextval[nexttoke].ival = OP_LCFIRST; | |
1413 | else if (*s == 'u') | |
1414 | nextval[nexttoke].ival = OP_UCFIRST; | |
1415 | else if (*s == 'L') | |
1416 | nextval[nexttoke].ival = OP_LC; | |
1417 | else if (*s == 'U') | |
1418 | nextval[nexttoke].ival = OP_UC; | |
a0d0e21e LW |
1419 | else if (*s == 'Q') |
1420 | nextval[nexttoke].ival = OP_QUOTEMETA; | |
79072805 | 1421 | else |
463ee0b2 | 1422 | croak("panic: yylex"); |
79072805 LW |
1423 | bufptr = s + 1; |
1424 | force_next(FUNC); | |
1425 | if (lex_starts) { | |
1426 | s = bufptr; | |
463ee0b2 | 1427 | lex_starts = 0; |
79072805 LW |
1428 | Aop(OP_CONCAT); |
1429 | } | |
1430 | else | |
1431 | return yylex(); | |
1432 | } | |
1433 | ||
55497cff | 1434 | case LEX_INTERPPUSH: |
1435 | return sublex_push(); | |
1436 | ||
79072805 LW |
1437 | case LEX_INTERPSTART: |
1438 | if (bufptr == bufend) | |
1439 | return sublex_done(); | |
1440 | expect = XTERM; | |
1441 | lex_dojoin = (*bufptr == '@'); | |
1442 | lex_state = LEX_INTERPNORMAL; | |
1443 | if (lex_dojoin) { | |
1444 | nextval[nexttoke].ival = 0; | |
1445 | force_next(','); | |
554b3eca | 1446 | #ifdef USE_THREADS |
2faa37cc | 1447 | nextval[nexttoke].opval = newOP(OP_THREADSV, 0); |
54b9620d | 1448 | nextval[nexttoke].opval->op_targ = find_threadsv("\""); |
554b3eca MB |
1449 | force_next(PRIVATEREF); |
1450 | #else | |
a0d0e21e | 1451 | force_ident("\"", '$'); |
554b3eca | 1452 | #endif /* USE_THREADS */ |
79072805 LW |
1453 | nextval[nexttoke].ival = 0; |
1454 | force_next('$'); | |
1455 | nextval[nexttoke].ival = 0; | |
1456 | force_next('('); | |
1457 | nextval[nexttoke].ival = OP_JOIN; /* emulate join($", ...) */ | |
1458 | force_next(FUNC); | |
1459 | } | |
1460 | if (lex_starts++) { | |
1461 | s = bufptr; | |
1462 | Aop(OP_CONCAT); | |
1463 | } | |
68dc0745 | 1464 | return yylex(); |
79072805 LW |
1465 | |
1466 | case LEX_INTERPENDMAYBE: | |
1467 | if (intuit_more(bufptr)) { | |
1468 | lex_state = LEX_INTERPNORMAL; /* false alarm, more expr */ | |
1469 | break; | |
1470 | } | |
1471 | /* FALL THROUGH */ | |
1472 | ||
1473 | case LEX_INTERPEND: | |
1474 | if (lex_dojoin) { | |
1475 | lex_dojoin = FALSE; | |
1476 | lex_state = LEX_INTERPCONCAT; | |
1477 | return ')'; | |
1478 | } | |
1479 | /* FALLTHROUGH */ | |
1480 | case LEX_INTERPCONCAT: | |
1481 | #ifdef DEBUGGING | |
1482 | if (lex_brackets) | |
463ee0b2 | 1483 | croak("panic: INTERPCONCAT"); |
79072805 LW |
1484 | #endif |
1485 | if (bufptr == bufend) | |
1486 | return sublex_done(); | |
1487 | ||
ed6116ce | 1488 | if (SvIVX(linestr) == '\'') { |
79072805 LW |
1489 | SV *sv = newSVsv(linestr); |
1490 | if (!lex_inpat) | |
1491 | sv = q(sv); | |
1492 | yylval.opval = (OP*)newSVOP(OP_CONST, 0, sv); | |
1493 | s = bufend; | |
1494 | } | |
1495 | else { | |
1496 | s = scan_const(bufptr); | |
1497 | if (*s == '\\') | |
1498 | lex_state = LEX_INTERPCASEMOD; | |
1499 | else | |
1500 | lex_state = LEX_INTERPSTART; | |
1501 | } | |
1502 | ||
1503 | if (s != bufptr) { | |
1504 | nextval[nexttoke] = yylval; | |
463ee0b2 | 1505 | expect = XTERM; |
79072805 LW |
1506 | force_next(THING); |
1507 | if (lex_starts++) | |
1508 | Aop(OP_CONCAT); | |
1509 | else { | |
1510 | bufptr = s; | |
1511 | return yylex(); | |
1512 | } | |
1513 | } | |
1514 | ||
1515 | return yylex(); | |
a0d0e21e LW |
1516 | case LEX_FORMLINE: |
1517 | lex_state = LEX_NORMAL; | |
1518 | s = scan_formline(bufptr); | |
1519 | if (!lex_formbrack) | |
1520 | goto rightbracket; | |
1521 | OPERATOR(';'); | |
79072805 LW |
1522 | } |
1523 | ||
1524 | s = bufptr; | |
a687059c LW |
1525 | oldoldbufptr = oldbufptr; |
1526 | oldbufptr = s; | |
79072805 | 1527 | DEBUG_p( { |
760ac839 | 1528 | PerlIO_printf(PerlIO_stderr(), "### Tokener expecting %s at %s\n", exp_name[expect], s); |
79072805 | 1529 | } ) |
463ee0b2 LW |
1530 | |
1531 | retry: | |
378cc40b LW |
1532 | switch (*s) { |
1533 | default: | |
54310121 | 1534 | croak("Unrecognized character \\%03o", *s & 255); |
e929a76b LW |
1535 | case 4: |
1536 | case 26: | |
1537 | goto fake_eof; /* emulate EOF on ^D or ^Z */ | |
378cc40b | 1538 | case 0: |
463ee0b2 | 1539 | if (!rsfp) { |
55497cff | 1540 | last_uni = 0; |
1541 | last_lop = 0; | |
463ee0b2 LW |
1542 | if (lex_brackets) |
1543 | yyerror("Missing right bracket"); | |
79072805 | 1544 | TOKEN(0); |
463ee0b2 | 1545 | } |
a687059c LW |
1546 | if (s++ < bufend) |
1547 | goto retry; /* ignore stray nulls */ | |
2f3197b3 | 1548 | last_uni = 0; |
79072805 | 1549 | last_lop = 0; |
a0d0e21e | 1550 | if (!in_eval && !preambled) { |
79072805 | 1551 | preambled = TRUE; |
a0d0e21e | 1552 | sv_setpv(linestr,incl_perldb()); |
91b7def8 | 1553 | if (SvCUR(linestr)) |
1554 | sv_catpv(linestr,";"); | |
1555 | if (preambleav){ | |
93965878 | 1556 | while(AvFILLp(preambleav) >= 0) { |
91b7def8 | 1557 | SV *tmpsv = av_shift(preambleav); |
1558 | sv_catsv(linestr, tmpsv); | |
1559 | sv_catpv(linestr, ";"); | |
1560 | sv_free(tmpsv); | |
1561 | } | |
1562 | sv_free((SV*)preambleav); | |
1563 | preambleav = NULL; | |
1564 | } | |
79072805 LW |
1565 | if (minus_n || minus_p) { |
1566 | sv_catpv(linestr, "LINE: while (<>) {"); | |
1567 | if (minus_l) | |
a0d0e21e | 1568 | sv_catpv(linestr,"chomp;"); |
8fd239a7 CS |
1569 | if (minus_a) { |
1570 | GV* gv = gv_fetchpv("::F", TRUE, SVt_PVAV); | |
1571 | if (gv) | |
1572 | GvIMPORTED_AV_on(gv); | |
1573 | if (minus_F) { | |
54310121 | 1574 | if (strchr("/'\"", *splitstr) |
1575 | && strchr(splitstr + 1, *splitstr)) | |
46fc3d4c | 1576 | sv_catpvf(linestr, "@F=split(%s);", splitstr); |
54310121 | 1577 | else { |
1578 | char delim; | |
1579 | s = "'~#\200\1'"; /* surely one char is unused...*/ | |
1580 | while (s[1] && strchr(splitstr, *s)) s++; | |
1581 | delim = *s; | |
46fc3d4c | 1582 | sv_catpvf(linestr, "@F=split(%s%c", |
1583 | "q" + (delim == '\''), delim); | |
1584 | for (s = splitstr; *s; s++) { | |
54310121 | 1585 | if (*s == '\\') |
46fc3d4c | 1586 | sv_catpvn(linestr, "\\", 1); |
1587 | sv_catpvn(linestr, s, 1); | |
54310121 | 1588 | } |
46fc3d4c | 1589 | sv_catpvf(linestr, "%c);", delim); |
54310121 | 1590 | } |
2304df62 AD |
1591 | } |
1592 | else | |
1593 | sv_catpv(linestr,"@F=split(' ');"); | |
1594 | } | |
79072805 | 1595 | } |
a0d0e21e | 1596 | sv_catpv(linestr, "\n"); |
fd049845 | 1597 | oldoldbufptr = oldbufptr = s = linestart = SvPVX(linestr); |
463ee0b2 | 1598 | bufend = SvPVX(linestr) + SvCUR(linestr); |
84902520 | 1599 | if (PERLDB_LINE && curstash != debstash) { |
a0d0e21e LW |
1600 | SV *sv = NEWSV(85,0); |
1601 | ||
1602 | sv_upgrade(sv, SVt_PVMG); | |
1603 | sv_setsv(sv,linestr); | |
1604 | av_store(GvAV(curcop->cop_filegv),(I32)curcop->cop_line,sv); | |
1605 | } | |
79072805 | 1606 | goto retry; |
a687059c | 1607 | } |
e929a76b | 1608 | do { |
fd049845 | 1609 | if ((s = filter_gets(linestr, rsfp, 0)) == Nullch) { |
e929a76b | 1610 | fake_eof: |
395c3793 | 1611 | if (rsfp) { |
a0d0e21e | 1612 | if (preprocess && !in_eval) |
3028581b | 1613 | (void)PerlProc_pclose(rsfp); |
760ac839 LW |
1614 | else if ((PerlIO *)rsfp == PerlIO_stdin()) |
1615 | PerlIO_clearerr(rsfp); | |
395c3793 | 1616 | else |
760ac839 | 1617 | (void)PerlIO_close(rsfp); |
90248788 TB |
1618 | if (e_fp == rsfp) |
1619 | e_fp = Nullfp; | |
395c3793 LW |
1620 | rsfp = Nullfp; |
1621 | } | |
a0d0e21e | 1622 | if (!in_eval && (minus_n || minus_p)) { |
79072805 LW |
1623 | sv_setpv(linestr,minus_p ? ";}continue{print" : ""); |
1624 | sv_catpv(linestr,";}"); | |
fd049845 | 1625 | oldoldbufptr = oldbufptr = s = linestart = SvPVX(linestr); |
463ee0b2 | 1626 | bufend = SvPVX(linestr) + SvCUR(linestr); |
e929a76b LW |
1627 | minus_n = minus_p = 0; |
1628 | goto retry; | |
1629 | } | |
fd049845 | 1630 | oldoldbufptr = oldbufptr = s = linestart = SvPVX(linestr); |
79072805 LW |
1631 | sv_setpv(linestr,""); |
1632 | TOKEN(';'); /* not infinite loop because rsfp is NULL now */ | |
378cc40b | 1633 | } |
a0d0e21e LW |
1634 | if (doextract) { |
1635 | if (*s == '#' && s[1] == '!' && instr(s,"perl")) | |
1636 | doextract = FALSE; | |
1637 | ||
1638 | /* Incest with pod. */ | |
1639 | if (*s == '=' && strnEQ(s, "=cut", 4)) { | |
1640 | sv_setpv(linestr, ""); | |
fd049845 | 1641 | oldoldbufptr = oldbufptr = s = linestart = SvPVX(linestr); |
a0d0e21e LW |
1642 | bufend = SvPVX(linestr) + SvCUR(linestr); |
1643 | doextract = FALSE; | |
1644 | } | |
1645 | } | |
463ee0b2 | 1646 | incline(s); |
e929a76b | 1647 | } while (doextract); |
fd049845 | 1648 | oldoldbufptr = oldbufptr = bufptr = linestart = s; |
84902520 | 1649 | if (PERLDB_LINE && curstash != debstash) { |
79072805 | 1650 | SV *sv = NEWSV(85,0); |
a687059c | 1651 | |
93a17b20 | 1652 | sv_upgrade(sv, SVt_PVMG); |
79072805 LW |
1653 | sv_setsv(sv,linestr); |
1654 | av_store(GvAV(curcop->cop_filegv),(I32)curcop->cop_line,sv); | |
a687059c | 1655 | } |
463ee0b2 | 1656 | bufend = SvPVX(linestr) + SvCUR(linestr); |
79072805 LW |
1657 | if (curcop->cop_line == 1) { |
1658 | while (s < bufend && isSPACE(*s)) | |
1659 | s++; | |
a0d0e21e | 1660 | if (*s == ':' && s[1] != ':') /* for csh execing sh scripts */ |
79072805 | 1661 | s++; |
44a8e56a | 1662 | d = Nullch; |
1663 | if (!in_eval) { | |
1664 | if (*s == '#' && *(s+1) == '!') | |
1665 | d = s + 2; | |
1666 | #ifdef ALTERNATE_SHEBANG | |
1667 | else { | |
1668 | static char as[] = ALTERNATE_SHEBANG; | |
1669 | if (*s == as[0] && strnEQ(s, as, sizeof(as) - 1)) | |
1670 | d = s + (sizeof(as) - 1); | |
1671 | } | |
1672 | #endif /* ALTERNATE_SHEBANG */ | |
1673 | } | |
1674 | if (d) { | |
b8378b72 | 1675 | char *ipath; |
774d564b | 1676 | char *ipathend; |
b8378b72 | 1677 | |
774d564b | 1678 | while (isSPACE(*d)) |
b8378b72 CS |
1679 | d++; |
1680 | ipath = d; | |
774d564b | 1681 | while (*d && !isSPACE(*d)) |
1682 | d++; | |
1683 | ipathend = d; | |
1684 | ||
1685 | #ifdef ARG_ZERO_IS_SCRIPT | |
1686 | if (ipathend > ipath) { | |
1687 | /* | |
1688 | * HP-UX (at least) sets argv[0] to the script name, | |
1689 | * which makes $^X incorrect. And Digital UNIX and Linux, | |
1690 | * at least, set argv[0] to the basename of the Perl | |
1691 | * interpreter. So, having found "#!", we'll set it right. | |
1692 | */ | |
1693 | SV *x = GvSV(gv_fetchpv("\030", TRUE, SVt_PV)); | |
1694 | assert(SvPOK(x) || SvGMAGICAL(x)); | |
9607fc9c | 1695 | if (sv_eq(x, GvSV(curcop->cop_filegv))) { |
774d564b | 1696 | sv_setpvn(x, ipath, ipathend - ipath); |
9607fc9c | 1697 | SvSETMAGIC(x); |
1698 | } | |
774d564b | 1699 | TAINT_NOT; /* $^X is always tainted, but that's OK */ |
8ebc5c01 | 1700 | } |
774d564b | 1701 | #endif /* ARG_ZERO_IS_SCRIPT */ |
b8378b72 CS |
1702 | |
1703 | /* | |
1704 | * Look for options. | |
1705 | */ | |
748a9306 LW |
1706 | d = instr(s,"perl -"); |
1707 | if (!d) | |
1708 | d = instr(s,"perl"); | |
44a8e56a | 1709 | #ifdef ALTERNATE_SHEBANG |
1710 | /* | |
1711 | * If the ALTERNATE_SHEBANG on this system starts with a | |
1712 | * character that can be part of a Perl expression, then if | |
1713 | * we see it but not "perl", we're probably looking at the | |
1714 | * start of Perl code, not a request to hand off to some | |
1715 | * other interpreter. Similarly, if "perl" is there, but | |
1716 | * not in the first 'word' of the line, we assume the line | |
1717 | * contains the start of the Perl program. | |
44a8e56a | 1718 | */ |
1719 | if (d && *s != '#') { | |
774d564b | 1720 | char *c = ipath; |
44a8e56a | 1721 | while (*c && !strchr("; \t\r\n\f\v#", *c)) |
1722 | c++; | |
1723 | if (c < d) | |
1724 | d = Nullch; /* "perl" not in first word; ignore */ | |
1725 | else | |
1726 | *s = '#'; /* Don't try to parse shebang line */ | |
1727 | } | |
774d564b | 1728 | #endif /* ALTERNATE_SHEBANG */ |
748a9306 | 1729 | if (!d && |
44a8e56a | 1730 | *s == '#' && |
774d564b | 1731 | ipathend > ipath && |
748a9306 LW |
1732 | !minus_c && |
1733 | !instr(s,"indir") && | |
1734 | instr(origargv[0],"perl")) | |
1735 | { | |
9f68db38 | 1736 | char **newargv; |
9f68db38 | 1737 | |
774d564b | 1738 | *ipathend = '\0'; |
1739 | s = ipathend + 1; | |
de3bb511 | 1740 | while (s < bufend && isSPACE(*s)) |
9f68db38 LW |
1741 | s++; |
1742 | if (s < bufend) { | |
1743 | Newz(899,newargv,origargc+3,char*); | |
1744 | newargv[1] = s; | |
de3bb511 | 1745 | while (s < bufend && !isSPACE(*s)) |
9f68db38 LW |
1746 | s++; |
1747 | *s = '\0'; | |
1748 | Copy(origargv+1, newargv+2, origargc+1, char*); | |
1749 | } | |
1750 | else | |
1751 | newargv = origargv; | |
774d564b | 1752 | newargv[0] = ipath; |
1753 | execv(ipath, newargv); | |
1754 | croak("Can't exec %s", ipath); | |
9f68db38 | 1755 | } |
748a9306 | 1756 | if (d) { |
ba6d6ac9 CS |
1757 | U32 oldpdb = perldb; |
1758 | bool oldn = minus_n; | |
1759 | bool oldp = minus_p; | |
748a9306 LW |
1760 | |
1761 | while (*d && !isSPACE(*d)) d++; | |
89bfa8cd | 1762 | while (*d == ' ' || *d == '\t') d++; |
748a9306 LW |
1763 | |
1764 | if (*d++ == '-') { | |
8cc95fdb | 1765 | do { |
1766 | if (*d == 'M' || *d == 'm') { | |
1767 | char *m = d; | |
1768 | while (*d && !isSPACE(*d)) d++; | |
1769 | croak("Too late for \"-%.*s\" option", | |
1770 | (int)(d - m), m); | |
1771 | } | |
1772 | d = moreswitches(d); | |
1773 | } while (d); | |
84902520 | 1774 | if (PERLDB_LINE && !oldpdb || |
b084f20b | 1775 | ( minus_n || minus_p ) && !(oldn || oldp) ) |
1776 | /* if we have already added "LINE: while (<>) {", | |
1777 | we must not do it again */ | |
748a9306 LW |
1778 | { |
1779 | sv_setpv(linestr, ""); | |
fd049845 | 1780 | oldoldbufptr = oldbufptr = s = linestart = SvPVX(linestr); |
748a9306 LW |
1781 | bufend = SvPVX(linestr) + SvCUR(linestr); |
1782 | preambled = FALSE; | |
84902520 | 1783 | if (PERLDB_LINE) |
748a9306 LW |
1784 | (void)gv_fetchfile(origfilename); |
1785 | goto retry; | |
1786 | } | |
a0d0e21e | 1787 | } |
79072805 | 1788 | } |
9f68db38 | 1789 | } |
79072805 | 1790 | } |
85e6fe83 | 1791 | if (lex_formbrack && lex_brackets <= lex_formbrack) { |
a0d0e21e LW |
1792 | bufptr = s; |
1793 | lex_state = LEX_FORMLINE; | |
1794 | return yylex(); | |
ae986130 | 1795 | } |
378cc40b | 1796 | goto retry; |
4fdae800 | 1797 | case '\r': |
a868473f | 1798 | #ifndef WIN32CHEAT |
54310121 | 1799 | warn("Illegal character \\%03o (carriage return)", '\r'); |
1800 | croak( | |
1801 | "(Maybe you didn't strip carriage returns after a network transfer?)\n"); | |
a868473f | 1802 | #endif |
4fdae800 | 1803 | case ' ': case '\t': case '\f': case 013: |
378cc40b LW |
1804 | s++; |
1805 | goto retry; | |
378cc40b | 1806 | case '#': |
e929a76b | 1807 | case '\n': |
79072805 | 1808 | if (lex_state != LEX_NORMAL || (in_eval && !rsfp)) { |
a687059c LW |
1809 | d = bufend; |
1810 | while (s < d && *s != '\n') | |
378cc40b | 1811 | s++; |
0f85fab0 | 1812 | if (s < d) |
378cc40b | 1813 | s++; |
463ee0b2 | 1814 | incline(s); |
85e6fe83 | 1815 | if (lex_formbrack && lex_brackets <= lex_formbrack) { |
a0d0e21e LW |
1816 | bufptr = s; |
1817 | lex_state = LEX_FORMLINE; | |
1818 | return yylex(); | |
a687059c | 1819 | } |
378cc40b | 1820 | } |
a687059c | 1821 | else { |
378cc40b | 1822 | *s = '\0'; |
a687059c LW |
1823 | bufend = s; |
1824 | } | |
378cc40b LW |
1825 | goto retry; |
1826 | case '-': | |
79072805 | 1827 | if (s[1] && isALPHA(s[1]) && !isALNUM(s[2])) { |
378cc40b | 1828 | s++; |
748a9306 LW |
1829 | bufptr = s; |
1830 | tmp = *s++; | |
1831 | ||
1832 | while (s < bufend && (*s == ' ' || *s == '\t')) | |
1833 | s++; | |
1834 | ||
1835 | if (strnEQ(s,"=>",2)) { | |
1836 | if (dowarn) | |
1837 | warn("Ambiguous use of -%c => resolved to \"-%c\" =>", | |
ff0cee69 | 1838 | (int)tmp, (int)tmp); |
748a9306 LW |
1839 | s = force_word(bufptr,WORD,FALSE,FALSE,FALSE); |
1840 | OPERATOR('-'); /* unary minus */ | |
1841 | } | |
e334a159 | 1842 | last_uni = oldbufptr; |
a0d0e21e | 1843 | last_lop_op = OP_FTEREAD; /* good enough */ |
748a9306 | 1844 | switch (tmp) { |
79072805 LW |
1845 | case 'r': FTST(OP_FTEREAD); |
1846 | case 'w': FTST(OP_FTEWRITE); | |
1847 | case 'x': FTST(OP_FTEEXEC); | |
1848 | case 'o': FTST(OP_FTEOWNED); | |
1849 | case 'R': FTST(OP_FTRREAD); | |
1850 | case 'W': FTST(OP_FTRWRITE); | |
1851 | case 'X': FTST(OP_FTREXEC); | |
1852 | case 'O': FTST(OP_FTROWNED); | |
1853 | case 'e': FTST(OP_FTIS); | |
1854 | case 'z': FTST(OP_FTZERO); | |
1855 | case 's': FTST(OP_FTSIZE); | |
1856 | case 'f': FTST(OP_FTFILE); | |
1857 | case 'd': FTST(OP_FTDIR); | |
1858 | case 'l': FTST(OP_FTLINK); | |
1859 | case 'p': FTST(OP_FTPIPE); | |
1860 | case 'S': FTST(OP_FTSOCK); | |
1861 | case 'u': FTST(OP_FTSUID); | |
1862 | case 'g': FTST(OP_FTSGID); | |
1863 | case 'k': FTST(OP_FTSVTX); | |
1864 | case 'b': FTST(OP_FTBLK); | |
1865 | case 'c': FTST(OP_FTCHR); | |
1866 | case 't': FTST(OP_FTTTY); | |
1867 | case 'T': FTST(OP_FTTEXT); | |
1868 | case 'B': FTST(OP_FTBINARY); | |
85e6fe83 LW |
1869 | case 'M': gv_fetchpv("\024",TRUE, SVt_PV); FTST(OP_FTMTIME); |
1870 | case 'A': gv_fetchpv("\024",TRUE, SVt_PV); FTST(OP_FTATIME); | |
1871 | case 'C': gv_fetchpv("\024",TRUE, SVt_PV); FTST(OP_FTCTIME); | |
378cc40b | 1872 | default: |
ff0cee69 | 1873 | croak("Unrecognized file test: -%c", (int)tmp); |
378cc40b LW |
1874 | break; |
1875 | } | |
1876 | } | |
a687059c LW |
1877 | tmp = *s++; |
1878 | if (*s == tmp) { | |
1879 | s++; | |
79072805 LW |
1880 | if (expect == XOPERATOR) |
1881 | TERM(POSTDEC); | |
1882 | else | |
1883 | OPERATOR(PREDEC); | |
1884 | } | |
1885 | else if (*s == '>') { | |
1886 | s++; | |
1887 | s = skipspace(s); | |
1888 | if (isIDFIRST(*s)) { | |
a0d0e21e | 1889 | s = force_word(s,METHOD,FALSE,TRUE,FALSE); |
463ee0b2 | 1890 | TOKEN(ARROW); |
79072805 | 1891 | } |
748a9306 LW |
1892 | else if (*s == '$') |
1893 | OPERATOR(ARROW); | |
463ee0b2 | 1894 | else |
748a9306 | 1895 | TERM(ARROW); |
a687059c | 1896 | } |
79072805 LW |
1897 | if (expect == XOPERATOR) |
1898 | Aop(OP_SUBTRACT); | |
1899 | else { | |
2f3197b3 LW |
1900 | if (isSPACE(*s) || !isSPACE(*bufptr)) |
1901 | check_uni(); | |
79072805 | 1902 | OPERATOR('-'); /* unary minus */ |
2f3197b3 | 1903 | } |
79072805 | 1904 | |
378cc40b | 1905 | case '+': |
a687059c LW |
1906 | tmp = *s++; |
1907 | if (*s == tmp) { | |
378cc40b | 1908 | s++; |
79072805 LW |
1909 | if (expect == XOPERATOR) |
1910 | TERM(POSTINC); | |
1911 | else | |
1912 | OPERATOR(PREINC); | |
378cc40b | 1913 | } |
79072805 LW |
1914 | if (expect == XOPERATOR) |
1915 | Aop(OP_ADD); | |
1916 | else { | |
2f3197b3 LW |
1917 | if (isSPACE(*s) || !isSPACE(*bufptr)) |
1918 | check_uni(); | |
a687059c | 1919 | OPERATOR('+'); |
2f3197b3 | 1920 | } |
a687059c | 1921 | |
378cc40b | 1922 | case '*': |
79072805 | 1923 | if (expect != XOPERATOR) { |
8903cb82 | 1924 | s = scan_ident(s, bufend, tokenbuf, sizeof tokenbuf, TRUE); |
463ee0b2 | 1925 | expect = XOPERATOR; |
a0d0e21e LW |
1926 | force_ident(tokenbuf, '*'); |
1927 | if (!*tokenbuf) | |
1928 | PREREF('*'); | |
79072805 | 1929 | TERM('*'); |
a687059c | 1930 | } |
79072805 LW |
1931 | s++; |
1932 | if (*s == '*') { | |
a687059c | 1933 | s++; |
79072805 | 1934 | PWop(OP_POW); |
a687059c | 1935 | } |
79072805 LW |
1936 | Mop(OP_MULTIPLY); |
1937 | ||
378cc40b | 1938 | case '%': |
bbce6d69 | 1939 | if (expect == XOPERATOR) { |
1940 | ++s; | |
1941 | Mop(OP_MODULO); | |
a687059c | 1942 | } |
bbce6d69 | 1943 | tokenbuf[0] = '%'; |
8903cb82 | 1944 | s = scan_ident(s, bufend, tokenbuf + 1, sizeof tokenbuf - 1, TRUE); |
bbce6d69 | 1945 | if (!tokenbuf[1]) { |
1946 | if (s == bufend) | |
1947 | yyerror("Final % should be \\% or %name"); | |
1948 | PREREF('%'); | |
a687059c | 1949 | } |
bbce6d69 | 1950 | pending_ident = '%'; |
1951 | TERM('%'); | |
a687059c | 1952 | |
378cc40b | 1953 | case '^': |
79072805 | 1954 | s++; |
a0d0e21e | 1955 | BOop(OP_BIT_XOR); |
79072805 LW |
1956 | case '[': |
1957 | lex_brackets++; | |
1958 | /* FALL THROUGH */ | |
378cc40b | 1959 | case '~': |
378cc40b | 1960 | case ',': |
378cc40b LW |
1961 | tmp = *s++; |
1962 | OPERATOR(tmp); | |
a0d0e21e LW |
1963 | case ':': |
1964 | if (s[1] == ':') { | |
1965 | len = 0; | |
1966 | goto just_a_word; | |
1967 | } | |
1968 | s++; | |
1969 | OPERATOR(':'); | |
8990e307 LW |
1970 | case '(': |
1971 | s++; | |
a0d0e21e | 1972 | if (last_lop == oldoldbufptr || last_uni == oldoldbufptr) |
8990e307 | 1973 | oldbufptr = oldoldbufptr; /* allow print(STDOUT 123) */ |
a0d0e21e LW |
1974 | else |
1975 | expect = XTERM; | |
1976 | TOKEN('('); | |
378cc40b | 1977 | case ';': |
79072805 LW |
1978 | if (curcop->cop_line < copline) |
1979 | copline = curcop->cop_line; | |
378cc40b LW |
1980 | tmp = *s++; |
1981 | OPERATOR(tmp); | |
1982 | case ')': | |
378cc40b | 1983 | tmp = *s++; |
16d20bd9 AD |
1984 | s = skipspace(s); |
1985 | if (*s == '{') | |
1986 | PREBLOCK(tmp); | |
378cc40b | 1987 | TERM(tmp); |
79072805 LW |
1988 | case ']': |
1989 | s++; | |
463ee0b2 LW |
1990 | if (lex_brackets <= 0) |
1991 | yyerror("Unmatched right bracket"); | |
1992 | else | |
1993 | --lex_brackets; | |
79072805 | 1994 | if (lex_state == LEX_INTERPNORMAL) { |
463ee0b2 | 1995 | if (lex_brackets == 0) { |
a0d0e21e | 1996 | if (*s != '[' && *s != '{' && (*s != '-' || s[1] != '>')) |
79072805 LW |
1997 | lex_state = LEX_INTERPEND; |
1998 | } | |
1999 | } | |
4633a7c4 | 2000 | TERM(']'); |
79072805 LW |
2001 | case '{': |
2002 | leftbracket: | |
79072805 | 2003 | s++; |
8990e307 | 2004 | if (lex_brackets > 100) { |
89bfa8cd | 2005 | char* newlb = Renew(lex_brackstack, lex_brackets + 1, char); |
8990e307 LW |
2006 | if (newlb != lex_brackstack) { |
2007 | SAVEFREEPV(newlb); | |
2008 | lex_brackstack = newlb; | |
2009 | } | |
2010 | } | |
a0d0e21e LW |
2011 | switch (expect) { |
2012 | case XTERM: | |
2013 | if (lex_formbrack) { | |
2014 | s--; | |
2015 | PRETERMBLOCK(DO); | |
2016 | } | |
2017 | if (oldoldbufptr == last_lop) | |
2018 | lex_brackstack[lex_brackets++] = XTERM; | |
2019 | else | |
2020 | lex_brackstack[lex_brackets++] = XOPERATOR; | |
79072805 | 2021 | OPERATOR(HASHBRACK); |
a0d0e21e | 2022 | case XOPERATOR: |
748a9306 LW |
2023 | while (s < bufend && (*s == ' ' || *s == '\t')) |
2024 | s++; | |
44a8e56a | 2025 | d = s; |
2026 | tokenbuf[0] = '\0'; | |
2027 | if (d < bufend && *d == '-') { | |
2028 | tokenbuf[0] = '-'; | |
2029 | d++; | |
2030 | while (d < bufend && (*d == ' ' || *d == '\t')) | |
2031 | d++; | |
2032 | } | |
2033 | if (d < bufend && isIDFIRST(*d)) { | |
8903cb82 | 2034 | d = scan_word(d, tokenbuf + 1, sizeof tokenbuf - 1, |
2035 | FALSE, &len); | |
748a9306 LW |
2036 | while (d < bufend && (*d == ' ' || *d == '\t')) |
2037 | d++; | |
2038 | if (*d == '}') { | |
44a8e56a | 2039 | char minus = (tokenbuf[0] == '-'); |
748a9306 | 2040 | if (dowarn && |
44a8e56a | 2041 | (keyword(tokenbuf + 1, len) || |
2042 | (minus && len == 1 && isALPHA(tokenbuf[1])) || | |
2043 | perl_get_cv(tokenbuf + 1, FALSE) )) | |
748a9306 | 2044 | warn("Ambiguous use of {%s} resolved to {\"%s\"}", |
44a8e56a | 2045 | tokenbuf + !minus, tokenbuf + !minus); |
2046 | s = force_word(s + minus, WORD, FALSE, TRUE, FALSE); | |
2047 | if (minus) | |
2048 | force_next('-'); | |
748a9306 LW |
2049 | } |
2050 | } | |
2051 | /* FALL THROUGH */ | |
2052 | case XBLOCK: | |
a0d0e21e | 2053 | lex_brackstack[lex_brackets++] = XSTATE; |
2304df62 | 2054 | expect = XSTATE; |
a0d0e21e LW |
2055 | break; |
2056 | case XTERMBLOCK: | |
2057 | lex_brackstack[lex_brackets++] = XOPERATOR; | |
2058 | expect = XSTATE; | |
2059 | break; | |
2060 | default: { | |
2061 | char *t; | |
2062 | if (oldoldbufptr == last_lop) | |
2063 | lex_brackstack[lex_brackets++] = XTERM; | |
2064 | else | |
2065 | lex_brackstack[lex_brackets++] = XOPERATOR; | |
2066 | s = skipspace(s); | |
69dcf70c MB |
2067 | if (*s == '}') { |
2068 | if (expect == XSTATE) { | |
2069 | lex_brackstack[lex_brackets-1] = XSTATE; | |
2070 | break; | |
2071 | } | |
a0d0e21e | 2072 | OPERATOR(HASHBRACK); |
69dcf70c | 2073 | } |
b8a4b1be GS |
2074 | /* This hack serves to disambiguate a pair of curlies |
2075 | * as being a block or an anon hash. Normally, expectation | |
2076 | * determines that, but in cases where we're not in a | |
2077 | * position to expect anything in particular (like inside | |
2078 | * eval"") we have to resolve the ambiguity. This code | |
2079 | * covers the case where the first term in the curlies is a | |
2080 | * quoted string. Most other cases need to be explicitly | |
2081 | * disambiguated by prepending a `+' before the opening | |
2082 | * curly in order to force resolution as an anon hash. | |
2083 | * | |
2084 | * XXX should probably propagate the outer expectation | |
2085 | * into eval"" to rely less on this hack, but that could | |
2086 | * potentially break current behavior of eval"". | |
2087 | * GSAR 97-07-21 | |
2088 | */ | |
2089 | t = s; | |
2090 | if (*s == '\'' || *s == '"' || *s == '`') { | |
2091 | /* common case: get past first string, handling escapes */ | |
2092 | for (t++; t < bufend && *t != *s;) | |
2093 | if (*t++ == '\\' && (*t == '\\' || *t == *s)) | |
2094 | t++; | |
2095 | t++; | |
a0d0e21e | 2096 | } |
b8a4b1be GS |
2097 | else if (*s == 'q') { |
2098 | if (++t < bufend | |
2099 | && (!isALNUM(*t) | |
2100 | || ((*t == 'q' || *t == 'x') && ++t < bufend | |
2101 | && !isALNUM(*t)))) { | |
2102 | char *tmps; | |
2103 | char open, close, term; | |
2104 | I32 brackets = 1; | |
2105 | ||
2106 | while (t < bufend && isSPACE(*t)) | |
2107 | t++; | |
2108 | term = *t; | |
2109 | open = term; | |
2110 | if (term && (tmps = strchr("([{< )]}> )]}>",term))) | |
2111 | term = tmps[5]; | |
2112 | close = term; | |
2113 | if (open == close) | |
2114 | for (t++; t < bufend; t++) { | |
6d07e5e9 | 2115 | if (*t == '\\' && t+1 < bufend && open != '\\') |
b8a4b1be | 2116 | t++; |
6d07e5e9 | 2117 | else if (*t == open) |
b8a4b1be GS |
2118 | break; |
2119 | } | |
2120 | else | |
2121 | for (t++; t < bufend; t++) { | |
6d07e5e9 | 2122 | if (*t == '\\' && t+1 < bufend) |
b8a4b1be | 2123 | t++; |
6d07e5e9 | 2124 | else if (*t == close && --brackets <= 0) |
b8a4b1be GS |
2125 | break; |
2126 | else if (*t == open) | |
2127 | brackets++; | |
2128 | } | |
2129 | } | |
2130 | t++; | |
a0d0e21e | 2131 | } |
b8a4b1be GS |
2132 | else if (isALPHA(*s)) { |
2133 | for (t++; t < bufend && isALNUM(*t); t++) ; | |
a0d0e21e | 2134 | } |
a0d0e21e LW |
2135 | while (t < bufend && isSPACE(*t)) |
2136 | t++; | |
b8a4b1be GS |
2137 | /* if comma follows first term, call it an anon hash */ |
2138 | /* XXX it could be a comma expression with loop modifiers */ | |
2139 | if (t < bufend && ((*t == ',' && (*s == 'q' || !isLOWER(*s))) | |
2140 | || (*t == '=' && t[1] == '>'))) | |
a0d0e21e LW |
2141 | OPERATOR(HASHBRACK); |
2142 | if (expect == XREF) | |
2143 | expect = XTERM; | |
2144 | else { | |
2145 | lex_brackstack[lex_brackets-1] = XSTATE; | |
2146 | expect = XSTATE; | |
2147 | } | |
8990e307 | 2148 | } |
a0d0e21e | 2149 | break; |
463ee0b2 | 2150 | } |
79072805 LW |
2151 | yylval.ival = curcop->cop_line; |
2152 | if (isSPACE(*s) || *s == '#') | |
2153 | copline = NOLINE; /* invalidate current command line number */ | |
79072805 | 2154 | TOKEN('{'); |
378cc40b | 2155 | case '}': |
79072805 LW |
2156 | rightbracket: |
2157 | s++; | |
463ee0b2 LW |
2158 | if (lex_brackets <= 0) |
2159 | yyerror("Unmatched right bracket"); | |
2160 | else | |
2161 | expect = (expectation)lex_brackstack[--lex_brackets]; | |
85e6fe83 LW |
2162 | if (lex_brackets < lex_formbrack) |
2163 | lex_formbrack = 0; | |
79072805 | 2164 | if (lex_state == LEX_INTERPNORMAL) { |
463ee0b2 | 2165 | if (lex_brackets == 0) { |
79072805 LW |
2166 | if (lex_fakebrack) { |
2167 | lex_state = LEX_INTERPEND; | |
2168 | bufptr = s; | |
2169 | return yylex(); /* ignore fake brackets */ | |
2170 | } | |
fa83b5b6 | 2171 | if (*s == '-' && s[1] == '>') |
2172 | lex_state = LEX_INTERPENDMAYBE; | |
2173 | else if (*s != '[' && *s != '{') | |
79072805 LW |
2174 | lex_state = LEX_INTERPEND; |
2175 | } | |
2176 | } | |
748a9306 LW |
2177 | if (lex_brackets < lex_fakebrack) { |
2178 | bufptr = s; | |
2179 | lex_fakebrack = 0; | |
2180 | return yylex(); /* ignore fake brackets */ | |
2181 | } | |
79072805 LW |
2182 | force_next('}'); |
2183 | TOKEN(';'); | |
378cc40b LW |
2184 | case '&': |
2185 | s++; | |
2186 | tmp = *s++; | |
2187 | if (tmp == '&') | |
a0d0e21e | 2188 | AOPERATOR(ANDAND); |
378cc40b | 2189 | s--; |
463ee0b2 | 2190 | if (expect == XOPERATOR) { |
fd049845 | 2191 | if (dowarn && isALPHA(*s) && bufptr == linestart) { |
463ee0b2 LW |
2192 | curcop->cop_line--; |
2193 | warn(warn_nosemi); | |
2194 | curcop->cop_line++; | |
2195 | } | |
79072805 | 2196 | BAop(OP_BIT_AND); |
463ee0b2 | 2197 | } |
79072805 | 2198 | |
8903cb82 | 2199 | s = scan_ident(s - 1, bufend, tokenbuf, sizeof tokenbuf, TRUE); |
463ee0b2 LW |
2200 | if (*tokenbuf) { |
2201 | expect = XOPERATOR; | |
a0d0e21e | 2202 | force_ident(tokenbuf, '&'); |
463ee0b2 | 2203 | } |
79072805 LW |
2204 | else |
2205 | PREREF('&'); | |
c07a80fd | 2206 | yylval.ival = (OPpENTERSUB_AMPER<<8); |
79072805 LW |
2207 | TERM('&'); |
2208 | ||
378cc40b LW |
2209 | case '|': |
2210 | s++; | |
2211 | tmp = *s++; | |
2212 | if (tmp == '|') | |
a0d0e21e | 2213 | AOPERATOR(OROR); |
378cc40b | 2214 | s--; |
79072805 | 2215 | BOop(OP_BIT_OR); |
378cc40b LW |
2216 | case '=': |
2217 | s++; | |
2218 | tmp = *s++; | |
2219 | if (tmp == '=') | |
79072805 LW |
2220 | Eop(OP_EQ); |
2221 | if (tmp == '>') | |
2222 | OPERATOR(','); | |
378cc40b | 2223 | if (tmp == '~') |
79072805 | 2224 | PMop(OP_MATCH); |
463ee0b2 | 2225 | if (dowarn && tmp && isSPACE(*s) && strchr("+-*/%.^&|<",tmp)) |
ff0cee69 | 2226 | warn("Reversed %c= operator",(int)tmp); |
378cc40b | 2227 | s--; |
748a9306 | 2228 | if (expect == XSTATE && isALPHA(tmp) && |
fd049845 | 2229 | (s == linestart+1 || s[-2] == '\n') ) |
748a9306 | 2230 | { |
a5f75d66 AD |
2231 | if (in_eval && !rsfp) { |
2232 | d = bufend; | |
2233 | while (s < d) { | |
2234 | if (*s++ == '\n') { | |
2235 | incline(s); | |
2236 | if (strnEQ(s,"=cut",4)) { | |
2237 | s = strchr(s,'\n'); | |
2238 | if (s) | |
2239 | s++; | |
2240 | else | |
2241 | s = d; | |
2242 | incline(s); | |
2243 | goto retry; | |
2244 | } | |
2245 | } | |
2246 | } | |
2247 | goto retry; | |
2248 | } | |
a0d0e21e LW |
2249 | s = bufend; |
2250 | doextract = TRUE; | |
2251 | goto retry; | |
2252 | } | |
2253 | if (lex_brackets < lex_formbrack) { | |
2254 | char *t; | |
2255 | for (t = s; *t == ' ' || *t == '\t'; t++) ; | |
2256 | if (*t == '\n' || *t == '#') { | |
2257 | s--; | |
2258 | expect = XBLOCK; | |
2259 | goto leftbracket; | |
2260 | } | |
79072805 | 2261 | } |
a0d0e21e LW |
2262 | yylval.ival = 0; |
2263 | OPERATOR(ASSIGNOP); | |
378cc40b LW |
2264 | case '!': |
2265 | s++; | |
2266 | tmp = *s++; | |
2267 | if (tmp == '=') | |
79072805 | 2268 | Eop(OP_NE); |
378cc40b | 2269 | if (tmp == '~') |
79072805 | 2270 | PMop(OP_NOT); |
378cc40b LW |
2271 | s--; |
2272 | OPERATOR('!'); | |
2273 | case '<': | |
79072805 | 2274 | if (expect != XOPERATOR) { |
93a17b20 | 2275 | if (s[1] != '<' && !strchr(s,'>')) |
2f3197b3 | 2276 | check_uni(); |
79072805 LW |
2277 | if (s[1] == '<') |
2278 | s = scan_heredoc(s); | |
2279 | else | |
2280 | s = scan_inputsymbol(s); | |
2281 | TERM(sublex_start()); | |
378cc40b LW |
2282 | } |
2283 | s++; | |
2284 | tmp = *s++; | |
2285 | if (tmp == '<') | |
79072805 | 2286 | SHop(OP_LEFT_SHIFT); |
395c3793 LW |
2287 | if (tmp == '=') { |
2288 | tmp = *s++; | |
2289 | if (tmp == '>') | |
79072805 | 2290 | Eop(OP_NCMP); |
395c3793 | 2291 | s--; |
79072805 | 2292 | Rop(OP_LE); |
395c3793 | 2293 | } |
378cc40b | 2294 | s--; |
79072805 | 2295 | Rop(OP_LT); |
378cc40b LW |
2296 | case '>': |
2297 | s++; | |
2298 | tmp = *s++; | |
2299 | if (tmp == '>') | |
79072805 | 2300 | SHop(OP_RIGHT_SHIFT); |
378cc40b | 2301 | if (tmp == '=') |
79072805 | 2302 | Rop(OP_GE); |
378cc40b | 2303 | s--; |
79072805 | 2304 | Rop(OP_GT); |
378cc40b LW |
2305 | |
2306 | case '$': | |
bbce6d69 | 2307 | CLINE; |
2308 | ||
8990e307 | 2309 | if (expect == XOPERATOR) { |
a0d0e21e LW |
2310 | if (lex_formbrack && lex_brackets == lex_formbrack) { |
2311 | expect = XTERM; | |
2312 | depcom(); | |
bbce6d69 | 2313 | return ','; /* grandfather non-comma-format format */ |
a0d0e21e | 2314 | } |
8990e307 | 2315 | } |
a0d0e21e | 2316 | |
bbce6d69 | 2317 | if (s[1] == '#' && (isALPHA(s[2]) || strchr("_{$:", s[2]))) { |
2318 | if (expect == XOPERATOR) | |
2319 | no_op("Array length", bufptr); | |
2320 | tokenbuf[0] = '@'; | |
8903cb82 | 2321 | s = scan_ident(s + 1, bufend, tokenbuf + 1, sizeof tokenbuf - 1, |
2322 | FALSE); | |
bbce6d69 | 2323 | if (!tokenbuf[1]) |
a0d0e21e | 2324 | PREREF(DOLSHARP); |
463ee0b2 | 2325 | expect = XOPERATOR; |
bbce6d69 | 2326 | pending_ident = '#'; |
463ee0b2 | 2327 | TOKEN(DOLSHARP); |
79072805 | 2328 | } |
bbce6d69 | 2329 | |
2330 | if (expect == XOPERATOR) | |
2331 | no_op("Scalar", bufptr); | |
2332 | tokenbuf[0] = '$'; | |
8903cb82 | 2333 | s = scan_ident(s, bufend, tokenbuf + 1, sizeof tokenbuf - 1, FALSE); |
bbce6d69 | 2334 | if (!tokenbuf[1]) { |
2335 | if (s == bufend) | |
2336 | yyerror("Final $ should be \\$ or $name"); | |
2337 | PREREF('$'); | |
8990e307 | 2338 | } |
a0d0e21e | 2339 | |
bbce6d69 | 2340 | /* This kludge not intended to be bulletproof. */ |
2341 | if (tokenbuf[1] == '[' && !tokenbuf[2]) { | |
2342 | yylval.opval = newSVOP(OP_CONST, 0, | |
2343 | newSViv((IV)compiling.cop_arybase)); | |
2344 | yylval.opval->op_private = OPpCONST_ARYBASE; | |
2345 | TERM(THING); | |
2346 | } | |
2347 | ||
ff68c719 | 2348 | d = s; |
2349 | if (lex_state == LEX_NORMAL) | |
2350 | s = skipspace(s); | |
2351 | ||
bbce6d69 | 2352 | if ((expect != XREF || oldoldbufptr == last_lop) && intuit_more(s)) { |
2353 | char *t; | |
2354 | if (*s == '[') { | |
2355 | tokenbuf[0] = '@'; | |
2356 | if (dowarn) { | |
2357 | for(t = s + 1; | |
2358 | isSPACE(*t) || isALNUM(*t) || *t == '$'; | |
2359 | t++) ; | |
a0d0e21e LW |
2360 | if (*t++ == ',') { |
2361 | bufptr = skipspace(bufptr); | |
bbce6d69 | 2362 | while (t < bufend && *t != ']') |
2363 | t++; | |
a0d0e21e | 2364 | warn("Multidimensional syntax %.*s not supported", |
bbce6d69 | 2365 | (t - bufptr) + 1, bufptr); |
a0d0e21e LW |
2366 | } |
2367 | } | |
bbce6d69 | 2368 | } |
2369 | else if (*s == '{') { | |
2370 | tokenbuf[0] = '%'; | |
2371 | if (dowarn && strEQ(tokenbuf+1, "SIG") && | |
2372 | (t = strchr(s, '}')) && (t = strchr(t, '='))) | |
2373 | { | |
8903cb82 | 2374 | char tmpbuf[sizeof tokenbuf]; |
a0d0e21e LW |
2375 | STRLEN len; |
2376 | for (t++; isSPACE(*t); t++) ; | |
748a9306 | 2377 | if (isIDFIRST(*t)) { |
8903cb82 | 2378 | t = scan_word(t, tmpbuf, sizeof tmpbuf, TRUE, &len); |
748a9306 LW |
2379 | if (*t != '(' && perl_get_cv(tmpbuf, FALSE)) |
2380 | warn("You need to quote \"%s\"", tmpbuf); | |
2381 | } | |
93a17b20 LW |
2382 | } |
2383 | } | |
2f3197b3 | 2384 | } |
bbce6d69 | 2385 | |
2386 | expect = XOPERATOR; | |
ff68c719 | 2387 | if (lex_state == LEX_NORMAL && isSPACE(*d)) { |
bbce6d69 | 2388 | bool islop = (last_lop == oldoldbufptr); |
bbce6d69 | 2389 | if (!islop || last_lop_op == OP_GREPSTART) |
2390 | expect = XOPERATOR; | |
2391 | else if (strchr("$@\"'`q", *s)) | |
2392 | expect = XTERM; /* e.g. print $fh "foo" */ | |
2393 | else if (strchr("&*<%", *s) && isIDFIRST(s[1])) | |
2394 | expect = XTERM; /* e.g. print $fh &sub */ | |
68dc0745 | 2395 | else if (isIDFIRST(*s)) { |
8903cb82 | 2396 | char tmpbuf[sizeof tokenbuf]; |
2397 | scan_word(s, tmpbuf, sizeof tmpbuf, TRUE, &len); | |
84902520 TB |
2398 | if (tmp = keyword(tmpbuf, len)) { |
2399 | /* binary operators exclude handle interpretations */ | |
2400 | switch (tmp) { | |
2401 | case -KEY_x: | |
2402 | case -KEY_eq: | |
2403 | case -KEY_ne: | |
2404 | case -KEY_gt: | |
2405 | case -KEY_lt: | |
2406 | case -KEY_ge: | |
2407 | case -KEY_le: | |
2408 | case -KEY_cmp: | |
2409 | break; | |
2410 | default: | |
2411 | expect = XTERM; /* e.g. print $fh length() */ | |
2412 | break; | |
2413 | } | |
2414 | } | |
68dc0745 | 2415 | else { |
2416 | GV *gv = gv_fetchpv(tmpbuf, FALSE, SVt_PVCV); | |
2417 | if (gv && GvCVu(gv)) | |
2418 | expect = XTERM; /* e.g. print $fh subr() */ | |
93a17b20 | 2419 | } |
93a17b20 | 2420 | } |
bbce6d69 | 2421 | else if (isDIGIT(*s)) |
2422 | expect = XTERM; /* e.g. print $fh 3 */ | |
2423 | else if (*s == '.' && isDIGIT(s[1])) | |
2424 | expect = XTERM; /* e.g. print $fh .3 */ | |
2425 | else if (strchr("/?-+", *s) && !isSPACE(s[1])) | |
2426 | expect = XTERM; /* e.g. print $fh -1 */ | |
2427 | else if (*s == '<' && s[1] == '<' && !isSPACE(s[2])) | |
2428 | expect = XTERM; /* print $fh <<"EOF" */ | |
2429 | } | |
2430 | pending_ident = '$'; | |
79072805 | 2431 | TOKEN('$'); |
378cc40b LW |
2432 | |
2433 | case '@': | |
8990e307 | 2434 | if (expect == XOPERATOR) |
bbce6d69 | 2435 | no_op("Array", s); |
2436 | tokenbuf[0] = '@'; | |
8903cb82 | 2437 | s = scan_ident(s, bufend, tokenbuf + 1, sizeof tokenbuf - 1, FALSE); |
bbce6d69 | 2438 | if (!tokenbuf[1]) { |
2439 | if (s == bufend) | |
2440 | yyerror("Final @ should be \\@ or @name"); | |
2441 | PREREF('@'); | |
2442 | } | |
ff68c719 | 2443 | if (lex_state == LEX_NORMAL) |
2444 | s = skipspace(s); | |
bbce6d69 | 2445 | if ((expect != XREF || oldoldbufptr == last_lop) && intuit_more(s)) { |
2446 | if (*s == '{') | |
2447 | tokenbuf[0] = '%'; | |
a0d0e21e LW |
2448 | |
2449 | /* Warn about @ where they meant $. */ | |
2450 | if (dowarn) { | |
2451 | if (*s == '[' || *s == '{') { | |
2452 | char *t = s + 1; | |
2453 | while (*t && (isALNUM(*t) || strchr(" \t$#+-'\"", *t))) | |
2454 | t++; | |
2455 | if (*t == '}' || *t == ']') { | |
2456 | t++; | |
2457 | bufptr = skipspace(bufptr); | |
2458 | warn("Scalar value %.*s better written as $%.*s", | |
2459 | t-bufptr, bufptr, t-bufptr-1, bufptr+1); | |
2460 | } | |
93a17b20 LW |
2461 | } |
2462 | } | |
463ee0b2 | 2463 | } |
bbce6d69 | 2464 | pending_ident = '@'; |
79072805 | 2465 | TERM('@'); |
378cc40b LW |
2466 | |
2467 | case '/': /* may either be division or pattern */ | |
2468 | case '?': /* may either be conditional or pattern */ | |
79072805 | 2469 | if (expect != XOPERATOR) { |
c277df42 IZ |
2470 | /* Disable warning on "study /blah/" */ |
2471 | if (oldoldbufptr == last_uni | |
2472 | && (*last_uni != 's' || s - last_uni < 5 | |
2473 | || memNE(last_uni, "study", 5) || isALNUM(last_uni[5]))) | |
2474 | check_uni(); | |
79072805 LW |
2475 | s = scan_pat(s); |
2476 | TERM(sublex_start()); | |
378cc40b LW |
2477 | } |
2478 | tmp = *s++; | |
a687059c | 2479 | if (tmp == '/') |
79072805 | 2480 | Mop(OP_DIVIDE); |
378cc40b LW |
2481 | OPERATOR(tmp); |
2482 | ||
2483 | case '.': | |
748a9306 | 2484 | if (lex_formbrack && lex_brackets == lex_formbrack && s[1] == '\n' && |
fd049845 | 2485 | (s == linestart || s[-1] == '\n') ) { |
85e6fe83 | 2486 | lex_formbrack = 0; |
8990e307 | 2487 | expect = XSTATE; |
79072805 LW |
2488 | goto rightbracket; |
2489 | } | |
2490 | if (expect == XOPERATOR || !isDIGIT(s[1])) { | |
378cc40b | 2491 | tmp = *s++; |
a687059c LW |
2492 | if (*s == tmp) { |
2493 | s++; | |
2f3197b3 LW |
2494 | if (*s == tmp) { |
2495 | s++; | |
79072805 | 2496 | yylval.ival = OPf_SPECIAL; |
2f3197b3 LW |
2497 | } |
2498 | else | |
79072805 | 2499 | yylval.ival = 0; |
378cc40b | 2500 | OPERATOR(DOTDOT); |
a687059c | 2501 | } |
79072805 | 2502 | if (expect != XOPERATOR) |
2f3197b3 | 2503 | check_uni(); |
79072805 | 2504 | Aop(OP_CONCAT); |
378cc40b LW |
2505 | } |
2506 | /* FALL THROUGH */ | |
2507 | case '0': case '1': case '2': case '3': case '4': | |
2508 | case '5': case '6': case '7': case '8': case '9': | |
79072805 | 2509 | s = scan_num(s); |
8990e307 LW |
2510 | if (expect == XOPERATOR) |
2511 | no_op("Number",s); | |
79072805 LW |
2512 | TERM(THING); |
2513 | ||
2514 | case '\'': | |
8990e307 | 2515 | s = scan_str(s); |
463ee0b2 | 2516 | if (expect == XOPERATOR) { |
a0d0e21e LW |
2517 | if (lex_formbrack && lex_brackets == lex_formbrack) { |
2518 | expect = XTERM; | |
2519 | depcom(); | |
2520 | return ','; /* grandfather non-comma-format format */ | |
2521 | } | |
463ee0b2 | 2522 | else |
8990e307 | 2523 | no_op("String",s); |
463ee0b2 | 2524 | } |
79072805 | 2525 | if (!s) |
85e6fe83 | 2526 | missingterm((char*)0); |
79072805 LW |
2527 | yylval.ival = OP_CONST; |
2528 | TERM(sublex_start()); | |
2529 | ||
2530 | case '"': | |
8990e307 | 2531 | s = scan_str(s); |
463ee0b2 | 2532 | if (expect == XOPERATOR) { |
a0d0e21e LW |
2533 | if (lex_formbrack && lex_brackets == lex_formbrack) { |
2534 | expect = XTERM; | |
2535 | depcom(); | |
2536 | return ','; /* grandfather non-comma-format format */ | |
2537 | } | |
463ee0b2 | 2538 | else |
8990e307 | 2539 | no_op("String",s); |
463ee0b2 | 2540 | } |
79072805 | 2541 | if (!s) |
85e6fe83 | 2542 | missingterm((char*)0); |
4633a7c4 LW |
2543 | yylval.ival = OP_CONST; |
2544 | for (d = SvPV(lex_stuff, len); len; len--, d++) { | |
2545 | if (*d == '$' || *d == '@' || *d == '\\') { | |
2546 | yylval.ival = OP_STRINGIFY; | |
2547 | break; | |
2548 | } | |
2549 | } | |
79072805 LW |
2550 | TERM(sublex_start()); |
2551 | ||
2552 | case '`': | |
2553 | s = scan_str(s); | |
8990e307 LW |
2554 | if (expect == XOPERATOR) |
2555 | no_op("Backticks",s); | |
79072805 | 2556 | if (!s) |
85e6fe83 | 2557 | missingterm((char*)0); |
79072805 LW |
2558 | yylval.ival = OP_BACKTICK; |
2559 | set_csh(); | |
2560 | TERM(sublex_start()); | |
2561 | ||
2562 | case '\\': | |
2563 | s++; | |
748a9306 LW |
2564 | if (dowarn && lex_inwhat && isDIGIT(*s)) |
2565 | warn("Can't use \\%c to mean $%c in expression", *s, *s); | |
8990e307 LW |
2566 | if (expect == XOPERATOR) |
2567 | no_op("Backslash",s); | |
79072805 LW |
2568 | OPERATOR(REFGEN); |
2569 | ||
2570 | case 'x': | |
2571 | if (isDIGIT(s[1]) && expect == XOPERATOR) { | |
2572 | s++; | |
2573 | Mop(OP_REPEAT); | |
2f3197b3 | 2574 | } |
79072805 LW |
2575 | goto keylookup; |
2576 | ||
378cc40b | 2577 | case '_': |
79072805 LW |
2578 | case 'a': case 'A': |
2579 | case 'b': case 'B': | |
2580 | case 'c': case 'C': | |
2581 | case 'd': case 'D': | |
2582 | case 'e': case 'E': | |
2583 | case 'f': case 'F': | |
2584 | case 'g': case 'G': | |
2585 | case 'h': case 'H': | |
2586 | case 'i': case 'I': | |
2587 | case 'j': case 'J': | |
2588 | case 'k': case 'K': | |
2589 | case 'l': case 'L': | |
2590 | case 'm': case 'M': | |
2591 | case 'n': case 'N': | |
2592 | case 'o': case 'O': | |
2593 | case 'p': case 'P': | |
2594 | case 'q': case 'Q': | |
2595 | case 'r': case 'R': | |
2596 | case 's': case 'S': | |
2597 | case 't': case 'T': | |
2598 | case 'u': case 'U': | |
2599 | case 'v': case 'V': | |
2600 | case 'w': case 'W': | |
2601 | case 'X': | |
2602 | case 'y': case 'Y': | |
2603 | case 'z': case 'Z': | |
2604 | ||
49dc05e3 | 2605 | keylookup: { |
161b471a NIS |
2606 | gv = Nullgv; |
2607 | gvp = 0; | |
49dc05e3 | 2608 | |
748a9306 | 2609 | bufptr = s; |
8903cb82 | 2610 | s = scan_word(s, tokenbuf, sizeof tokenbuf, FALSE, &len); |
8ebc5c01 | 2611 | |
2612 | /* Some keywords can be followed by any delimiter, including ':' */ | |
2613 | tmp = (len == 1 && strchr("msyq", tokenbuf[0]) || | |
2614 | len == 2 && ((tokenbuf[0] == 't' && tokenbuf[1] == 'r') || | |
2615 | (tokenbuf[0] == 'q' && | |
2616 | strchr("qwx", tokenbuf[1])))); | |
2617 | ||
2618 | /* x::* is just a word, unless x is "CORE" */ | |
2619 | if (!tmp && *s == ':' && s[1] == ':' && strNE(tokenbuf, "CORE")) | |
4633a7c4 LW |
2620 | goto just_a_word; |
2621 | ||
3643fb5f CS |
2622 | d = s; |
2623 | while (d < bufend && isSPACE(*d)) | |
2624 | d++; /* no comments skipped here, or s### is misparsed */ | |
2625 | ||
2626 | /* Is this a label? */ | |
8ebc5c01 | 2627 | if (!tmp && expect == XSTATE |
2628 | && d < bufend && *d == ':' && *(d + 1) != ':') { | |
2629 | s = d + 1; | |
2630 | yylval.pval = savepv(tokenbuf); | |
2631 | CLINE; | |
2632 | TOKEN(LABEL); | |
3643fb5f CS |
2633 | } |
2634 | ||
2635 | /* Check for keywords */ | |
a0d0e21e | 2636 | tmp = keyword(tokenbuf, len); |
748a9306 LW |
2637 | |
2638 | /* Is this a word before a => operator? */ | |
748a9306 LW |
2639 | if (strnEQ(d,"=>",2)) { |
2640 | CLINE; | |
2641 | if (dowarn && (tmp || perl_get_cv(tokenbuf, FALSE))) | |
2642 | warn("Ambiguous use of %s => resolved to \"%s\" =>", | |
2643 | tokenbuf, tokenbuf); | |
2644 | yylval.opval = (OP*)newSVOP(OP_CONST, 0, newSVpv(tokenbuf,0)); | |
2645 | yylval.opval->op_private = OPpCONST_BARE; | |
2646 | TERM(WORD); | |
2647 | } | |
2648 | ||
a0d0e21e | 2649 | if (tmp < 0) { /* second-class keyword? */ |
49dc05e3 GS |
2650 | if (expect != XOPERATOR && (*s != ':' || s[1] != ':') && |
2651 | (((gv = gv_fetchpv(tokenbuf, FALSE, SVt_PVCV)) && | |
2652 | GvCVu(gv) && GvIMPORTED_CV(gv)) || | |
2653 | ((gvp = (GV**)hv_fetch(globalstash,tokenbuf,len,FALSE)) && | |
2654 | (gv = *gvp) != (GV*)&sv_undef && | |
2655 | GvCVu(gv) && GvIMPORTED_CV(gv)))) | |
a0d0e21e | 2656 | { |
6e7b2336 GS |
2657 | tmp = 0; /* overridden by importation */ |
2658 | } | |
2659 | else if (gv && !gvp | |
2660 | && -tmp==KEY_lock /* XXX generalizable kludge */ | |
1d64a758 | 2661 | && !hv_fetch(GvHVn(incgv), "Thread.pm", 9, FALSE)) |
6e7b2336 GS |
2662 | { |
2663 | tmp = 0; /* any sub overrides "weak" keyword */ | |
a0d0e21e | 2664 | } |
49dc05e3 GS |
2665 | else { |
2666 | tmp = -tmp; gv = Nullgv; gvp = 0; | |
2667 | } | |
a0d0e21e LW |
2668 | } |
2669 | ||
2670 | reserved_word: | |
2671 | switch (tmp) { | |
79072805 LW |
2672 | |
2673 | default: /* not a keyword */ | |
93a17b20 | 2674 | just_a_word: { |
96e4d5b1 | 2675 | SV *sv; |
748a9306 | 2676 | char lastchar = (bufptr == oldoldbufptr ? 0 : bufptr[-1]); |
8990e307 LW |
2677 | |
2678 | /* Get the rest if it looks like a package qualifier */ | |
2679 | ||
a0d0e21e | 2680 | if (*s == '\'' || *s == ':' && s[1] == ':') { |
8903cb82 | 2681 | s = scan_word(s, tokenbuf + len, sizeof tokenbuf - len, |
2682 | TRUE, &len); | |
a0d0e21e LW |
2683 | if (!len) |
2684 | croak("Bad name after %s::", tokenbuf); | |
2685 | } | |
8990e307 | 2686 | |
3643fb5f | 2687 | if (expect == XOPERATOR) { |
fd049845 | 2688 | if (bufptr == linestart) { |
463ee0b2 LW |
2689 | curcop->cop_line--; |
2690 | warn(warn_nosemi); | |
2691 | curcop->cop_line++; | |
2692 | } | |
2693 | else | |
54310121 | 2694 | no_op("Bareword",s); |
463ee0b2 | 2695 | } |
8990e307 LW |
2696 | |
2697 | /* Look for a subroutine with this name in current package. */ | |
2698 | ||
49dc05e3 GS |
2699 | if (gvp) { |
2700 | sv = newSVpv("CORE::GLOBAL::",14); | |
2701 | sv_catpv(sv,tokenbuf); | |
2702 | } | |
2703 | else | |
2704 | sv = newSVpv(tokenbuf,0); | |
2705 | if (!gv) | |
2706 | gv = gv_fetchpv(tokenbuf,FALSE, SVt_PVCV); | |
8990e307 | 2707 | |
a0d0e21e LW |
2708 | /* Presume this is going to be a bareword of some sort. */ |
2709 | ||
2710 | CLINE; | |
49dc05e3 | 2711 | yylval.opval = (OP*)newSVOP(OP_CONST, 0, sv); |
a0d0e21e LW |
2712 | yylval.opval->op_private = OPpCONST_BARE; |
2713 | ||
8990e307 LW |
2714 | /* See if it's the indirect object for a list operator. */ |
2715 | ||
a0d0e21e LW |
2716 | if (oldoldbufptr && |
2717 | oldoldbufptr < bufptr && | |
2718 | (oldoldbufptr == last_lop || oldoldbufptr == last_uni) && | |
2719 | /* NO SKIPSPACE BEFORE HERE! */ | |
2720 | (expect == XREF || | |
4e35701f | 2721 | ((opargs[last_lop_op] >> OASHIFT)& 7) == OA_FILEREF) ) |
a0d0e21e | 2722 | { |
748a9306 LW |
2723 | bool immediate_paren = *s == '('; |
2724 | ||
a0d0e21e LW |
2725 | /* (Now we can afford to cross potential line boundary.) */ |
2726 | s = skipspace(s); | |
2727 | ||
2728 | /* Two barewords in a row may indicate method call. */ | |
2729 | ||
2730 | if ((isALPHA(*s) || *s == '$') && (tmp=intuit_method(s,gv))) | |
2731 | return tmp; | |
2732 | ||
2733 | /* If not a declared subroutine, it's an indirect object. */ | |
2734 | /* (But it's an indir obj regardless for sort.) */ | |
2735 | ||
8e07c86e | 2736 | if ((last_lop_op == OP_SORT || |
8ebc5c01 | 2737 | (!immediate_paren && (!gv || !GvCVu(gv))) ) && |
8e07c86e | 2738 | (last_lop_op != OP_MAPSTART && last_lop_op != OP_GREPSTART)){ |
748a9306 LW |
2739 | expect = (last_lop == oldoldbufptr) ? XTERM : XOPERATOR; |
2740 | goto bareword; | |
93a17b20 LW |
2741 | } |
2742 | } | |
8990e307 LW |
2743 | |
2744 | /* If followed by a paren, it's certainly a subroutine. */ | |
2745 | ||
2746 | expect = XOPERATOR; | |
2747 | s = skipspace(s); | |
93a17b20 | 2748 | if (*s == '(') { |
79072805 | 2749 | CLINE; |
96e4d5b1 | 2750 | if (gv && GvCVu(gv)) { |
2751 | for (d = s + 1; *d == ' ' || *d == '\t'; d++) ; | |
2752 | if (*d == ')' && (sv = cv_const_sv(GvCV(gv)))) { | |
2753 | s = d + 1; | |
2754 | goto its_constant; | |
2755 | } | |
2756 | } | |
a0d0e21e | 2757 | nextval[nexttoke].opval = yylval.opval; |
463ee0b2 | 2758 | expect = XOPERATOR; |
93a17b20 | 2759 | force_next(WORD); |
c07a80fd | 2760 | yylval.ival = 0; |
463ee0b2 | 2761 | TOKEN('&'); |
79072805 | 2762 | } |
93a17b20 | 2763 | |
a0d0e21e | 2764 | /* If followed by var or block, call it a method (unless sub) */ |
8990e307 | 2765 | |
8ebc5c01 | 2766 | if ((*s == '$' || *s == '{') && (!gv || !GvCVu(gv))) { |
463ee0b2 | 2767 | last_lop = oldbufptr; |
8990e307 | 2768 | last_lop_op = OP_METHOD; |
93a17b20 | 2769 | PREBLOCK(METHOD); |
463ee0b2 LW |
2770 | } |
2771 | ||
8990e307 LW |
2772 | /* If followed by a bareword, see if it looks like indir obj. */ |
2773 | ||
a0d0e21e LW |
2774 | if ((isALPHA(*s) || *s == '$') && (tmp = intuit_method(s,gv))) |
2775 | return tmp; | |
93a17b20 | 2776 | |
8990e307 LW |
2777 | /* Not a method, so call it a subroutine (if defined) */ |
2778 | ||
8ebc5c01 | 2779 | if (gv && GvCVu(gv)) { |
46fc3d4c | 2780 | CV* cv; |
748a9306 | 2781 | if (lastchar == '-') |
c2960299 | 2782 | warn("Ambiguous use of -%s resolved as -&%s()", |
748a9306 | 2783 | tokenbuf, tokenbuf); |
8990e307 | 2784 | last_lop = oldbufptr; |
a0d0e21e | 2785 | last_lop_op = OP_ENTERSUB; |
89bfa8cd | 2786 | /* Check for a constant sub */ |
46fc3d4c | 2787 | cv = GvCV(gv); |
96e4d5b1 | 2788 | if ((sv = cv_const_sv(cv))) { |
2789 | its_constant: | |
2790 | SvREFCNT_dec(((SVOP*)yylval.opval)->op_sv); | |
2791 | ((SVOP*)yylval.opval)->op_sv = SvREFCNT_inc(sv); | |
2792 | yylval.opval->op_private = 0; | |
2793 | TOKEN(WORD); | |
89bfa8cd | 2794 | } |
2795 | ||
a5f75d66 AD |
2796 | /* Resolve to GV now. */ |
2797 | op_free(yylval.opval); | |
2798 | yylval.opval = newCVREF(0, newGVOP(OP_GV, 0, gv)); | |
4633a7c4 LW |
2799 | /* Is there a prototype? */ |
2800 | if (SvPOK(cv)) { | |
2801 | STRLEN len; | |
2802 | char *proto = SvPV((SV*)cv, len); | |
2803 | if (!len) | |
2804 | TERM(FUNC0SUB); | |
2805 | if (strEQ(proto, "$")) | |
2806 | OPERATOR(UNIOPSUB); | |
2807 | if (*proto == '&' && *s == '{') { | |
2808 | sv_setpv(subname,"__ANON__"); | |
2809 | PREBLOCK(LSTOPSUB); | |
2810 | } | |
2811 | } | |
a5f75d66 | 2812 | nextval[nexttoke].opval = yylval.opval; |
8990e307 LW |
2813 | expect = XTERM; |
2814 | force_next(WORD); | |
2815 | TOKEN(NOAMP); | |
2816 | } | |
748a9306 LW |
2817 | |
2818 | if (hints & HINT_STRICT_SUBS && | |
2819 | lastchar != '-' && | |
a0d0e21e | 2820 | strnNE(s,"->",2) && |
9b01e405 | 2821 | last_lop_op != OP_TRUNCATE && /* S/F prototype in opcode.pl */ |
a0d0e21e LW |
2822 | last_lop_op != OP_ACCEPT && |
2823 | last_lop_op != OP_PIPE_OP && | |
2824 | last_lop_op != OP_SOCKPAIR) | |
2825 | { | |
2826 | warn( | |
2827 | "Bareword \"%s\" not allowed while \"strict subs\" in use", | |
85e6fe83 LW |
2828 | tokenbuf); |
2829 | ++error_count; | |
2830 | } | |
8990e307 LW |
2831 | |
2832 | /* Call it a bare word */ | |
2833 | ||
748a9306 LW |
2834 | bareword: |
2835 | if (dowarn) { | |
2836 | if (lastchar != '-') { | |
2837 | for (d = tokenbuf; *d && isLOWER(*d); d++) ; | |
2838 | if (!*d) | |
2839 | warn(warn_reserved, tokenbuf); | |
2840 | } | |
2841 | } | |
2842 | if (lastchar && strchr("*%&", lastchar)) { | |
2843 | warn("Operator or semicolon missing before %c%s", | |
2844 | lastchar, tokenbuf); | |
c2960299 | 2845 | warn("Ambiguous use of %c resolved as operator %c", |
748a9306 LW |
2846 | lastchar, lastchar); |
2847 | } | |
93a17b20 | 2848 | TOKEN(WORD); |
79072805 | 2849 | } |
79072805 | 2850 | |
68dc0745 | 2851 | case KEY___FILE__: |
46fc3d4c | 2852 | yylval.opval = (OP*)newSVOP(OP_CONST, 0, |
2853 | newSVsv(GvSV(curcop->cop_filegv))); | |
2854 | TERM(THING); | |
2855 | ||
79072805 | 2856 | case KEY___LINE__: |
46fc3d4c | 2857 | yylval.opval = (OP*)newSVOP(OP_CONST, 0, |
2858 | newSVpvf("%ld", (long)curcop->cop_line)); | |
79072805 | 2859 | TERM(THING); |
68dc0745 | 2860 | |
2861 | case KEY___PACKAGE__: | |
2862 | yylval.opval = (OP*)newSVOP(OP_CONST, 0, | |
2863 | (curstash | |
2864 | ? newSVsv(curstname) | |
2865 | : &sv_undef)); | |
79072805 | 2866 | TERM(THING); |
79072805 | 2867 | |
e50aee73 | 2868 | case KEY___DATA__: |
79072805 LW |
2869 | case KEY___END__: { |
2870 | GV *gv; | |
79072805 LW |
2871 | |
2872 | /*SUPPRESS 560*/ | |
a5f75d66 | 2873 | if (rsfp && (!in_eval || tokenbuf[2] == 'D')) { |
e50aee73 AD |
2874 | char *pname = "main"; |
2875 | if (tokenbuf[2] == 'D') | |
2876 | pname = HvNAME(curstash ? curstash : defstash); | |
46fc3d4c | 2877 | gv = gv_fetchpv(form("%s::DATA", pname), TRUE, SVt_PVIO); |
a5f75d66 | 2878 | GvMULTI_on(gv); |
79072805 | 2879 | if (!GvIO(gv)) |
a0d0e21e LW |
2880 | GvIOp(gv) = newIO(); |
2881 | IoIFP(GvIOp(gv)) = rsfp; | |
2882 | #if defined(HAS_FCNTL) && defined(F_SETFD) | |
2883 | { | |
760ac839 | 2884 | int fd = PerlIO_fileno(rsfp); |
a0d0e21e LW |
2885 | fcntl(fd,F_SETFD,fd >= 3); |
2886 | } | |
79072805 | 2887 | #endif |
fd049845 | 2888 | /* Mark this internal pseudo-handle as clean */ |
2889 | IoFLAGS(GvIOp(gv)) |= IOf_UNTAINT; | |
79072805 | 2890 | if (preprocess) |
a0d0e21e | 2891 | IoTYPE(GvIOp(gv)) = '|'; |
760ac839 | 2892 | else if ((PerlIO*)rsfp == PerlIO_stdin()) |
a0d0e21e | 2893 | IoTYPE(GvIOp(gv)) = '-'; |
79072805 | 2894 | else |
a0d0e21e | 2895 | IoTYPE(GvIOp(gv)) = '<'; |
79072805 LW |
2896 | rsfp = Nullfp; |
2897 | } | |
2898 | goto fake_eof; | |
e929a76b | 2899 | } |
de3bb511 | 2900 | |
8990e307 | 2901 | case KEY_AUTOLOAD: |
ed6116ce | 2902 | case KEY_DESTROY: |
79072805 LW |
2903 | case KEY_BEGIN: |
2904 | case KEY_END: | |
7d07dbc2 | 2905 | case KEY_INIT: |
a0d0e21e | 2906 | if (expect == XSTATE) { |
93a17b20 LW |
2907 | s = bufptr; |
2908 | goto really_sub; | |
79072805 LW |
2909 | } |
2910 | goto just_a_word; | |
2911 | ||
a0d0e21e LW |
2912 | case KEY_CORE: |
2913 | if (*s == ':' && s[1] == ':') { | |
2914 | s += 2; | |
748a9306 | 2915 | d = s; |
8903cb82 | 2916 | s = scan_word(s, tokenbuf, sizeof tokenbuf, FALSE, &len); |
a0d0e21e LW |
2917 | tmp = keyword(tokenbuf, len); |
2918 | if (tmp < 0) | |
2919 | tmp = -tmp; | |
2920 | goto reserved_word; | |
2921 | } | |
2922 | goto just_a_word; | |
2923 | ||
463ee0b2 LW |
2924 | case KEY_abs: |
2925 | UNI(OP_ABS); | |
2926 | ||
79072805 LW |
2927 | case KEY_alarm: |
2928 | UNI(OP_ALARM); | |
2929 | ||
2930 | case KEY_accept: | |
a0d0e21e | 2931 | LOP(OP_ACCEPT,XTERM); |
79072805 | 2932 | |
463ee0b2 LW |
2933 | case KEY_and: |
2934 | OPERATOR(ANDOP); | |
2935 | ||
79072805 | 2936 | case KEY_atan2: |
a0d0e21e | 2937 | LOP(OP_ATAN2,XTERM); |
85e6fe83 | 2938 | |
79072805 | 2939 | case KEY_bind: |
a0d0e21e | 2940 | LOP(OP_BIND,XTERM); |
79072805 LW |
2941 | |
2942 | case KEY_binmode: | |
2943 | UNI(OP_BINMODE); | |
2944 | ||
2945 | case KEY_bless: | |
a0d0e21e | 2946 | LOP(OP_BLESS,XTERM); |
79072805 LW |
2947 | |
2948 | case KEY_chop: | |
2949 | UNI(OP_CHOP); | |
2950 | ||
2951 | case KEY_continue: | |
2952 | PREBLOCK(CONTINUE); | |
2953 | ||
2954 | case KEY_chdir: | |
85e6fe83 | 2955 | (void)gv_fetchpv("ENV",TRUE, SVt_PVHV); /* may use HOME */ |
79072805 LW |
2956 | UNI(OP_CHDIR); |
2957 | ||
2958 | case KEY_close: | |
2959 | UNI(OP_CLOSE); | |
2960 | ||
2961 | case KEY_closedir: | |
2962 | UNI(OP_CLOSEDIR); | |
2963 | ||
2964 | case KEY_cmp: | |
2965 | Eop(OP_SCMP); | |
2966 | ||
2967 | case KEY_caller: | |
2968 | UNI(OP_CALLER); | |
2969 | ||
2970 | case KEY_crypt: | |
2971 | #ifdef FCRYPT | |
de3bb511 LW |
2972 | if (!cryptseen++) |
2973 | init_des(); | |
a687059c | 2974 | #endif |
a0d0e21e | 2975 | LOP(OP_CRYPT,XTERM); |
79072805 LW |
2976 | |
2977 | case KEY_chmod: | |
748a9306 LW |
2978 | if (dowarn) { |
2979 | for (d = s; d < bufend && (isSPACE(*d) || *d == '('); d++) ; | |
2980 | if (*d != '0' && isDIGIT(*d)) | |
2981 | yywarn("chmod: mode argument is missing initial 0"); | |
2982 | } | |
a0d0e21e | 2983 | LOP(OP_CHMOD,XTERM); |
79072805 LW |
2984 | |
2985 | case KEY_chown: | |
a0d0e21e | 2986 | LOP(OP_CHOWN,XTERM); |
79072805 LW |
2987 | |
2988 | case KEY_connect: | |
a0d0e21e | 2989 | LOP(OP_CONNECT,XTERM); |
79072805 | 2990 | |
463ee0b2 LW |
2991 | case KEY_chr: |
2992 | UNI(OP_CHR); | |
2993 | ||
79072805 LW |
2994 | case KEY_cos: |
2995 | UNI(OP_COS); | |
2996 | ||
2997 | case KEY_chroot: | |
2998 | UNI(OP_CHROOT); | |
2999 | ||
3000 | case KEY_do: | |
3001 | s = skipspace(s); | |
3002 | if (*s == '{') | |
a0d0e21e | 3003 | PRETERMBLOCK(DO); |
79072805 | 3004 | if (*s != '\'') |
a0d0e21e | 3005 | s = force_word(s,WORD,FALSE,TRUE,FALSE); |
378cc40b | 3006 | OPERATOR(DO); |
79072805 LW |
3007 | |
3008 | case KEY_die: | |
a0d0e21e LW |
3009 | hints |= HINT_BLOCK_SCOPE; |
3010 | LOP(OP_DIE,XTERM); | |
79072805 LW |
3011 | |
3012 | case KEY_defined: | |
3013 | UNI(OP_DEFINED); | |
3014 | ||
3015 | case KEY_delete: | |
a0d0e21e | 3016 | UNI(OP_DELETE); |
79072805 LW |
3017 | |
3018 | case KEY_dbmopen: | |
a0d0e21e LW |
3019 | gv_fetchpv("AnyDBM_File::ISA", GV_ADDMULTI, SVt_PVAV); |
3020 | LOP(OP_DBMOPEN,XTERM); | |
79072805 LW |
3021 | |
3022 | case KEY_dbmclose: | |
3023 | UNI(OP_DBMCLOSE); | |
3024 | ||
3025 | case KEY_dump: | |
a0d0e21e | 3026 | s = force_word(s,WORD,TRUE,FALSE,FALSE); |
79072805 LW |
3027 | LOOPX(OP_DUMP); |
3028 | ||
3029 | case KEY_else: | |
3030 | PREBLOCK(ELSE); | |
3031 | ||
3032 | case KEY_elsif: | |
3033 | yylval.ival = curcop->cop_line; | |
3034 | OPERATOR(ELSIF); | |
3035 | ||
3036 | case KEY_eq: | |
3037 | Eop(OP_SEQ); | |
3038 | ||
a0d0e21e LW |
3039 | case KEY_exists: |
3040 | UNI(OP_EXISTS); | |
3041 | ||
79072805 LW |
3042 | case KEY_exit: |
3043 | UNI(OP_EXIT); | |
3044 | ||
3045 | case KEY_eval: | |
79072805 | 3046 | s = skipspace(s); |
a0d0e21e | 3047 | expect = (*s == '{') ? XTERMBLOCK : XTERM; |
463ee0b2 | 3048 | UNIBRACK(OP_ENTEREVAL); |
79072805 LW |
3049 | |
3050 | case KEY_eof: | |
3051 | UNI(OP_EOF); | |
3052 | ||
3053 | case KEY_exp: | |
3054 | UNI(OP_EXP); | |
3055 | ||
3056 | case KEY_each: | |
3057 | UNI(OP_EACH); | |
3058 | ||
3059 | case KEY_exec: | |
3060 | set_csh(); | |
a0d0e21e | 3061 | LOP(OP_EXEC,XREF); |
79072805 LW |
3062 | |
3063 | case KEY_endhostent: | |
3064 | FUN0(OP_EHOSTENT); | |
3065 | ||
3066 | case KEY_endnetent: | |
3067 | FUN0(OP_ENETENT); | |
3068 | ||
3069 | case KEY_endservent: | |
3070 | FUN0(OP_ESERVENT); | |
3071 | ||
3072 | case KEY_endprotoent: | |
3073 | FUN0(OP_EPROTOENT); | |
3074 | ||
3075 | case KEY_endpwent: | |
3076 | FUN0(OP_EPWENT); | |
3077 | ||
3078 | case KEY_endgrent: | |
3079 | FUN0(OP_EGRENT); | |
3080 | ||
3081 | case KEY_for: | |
3082 | case KEY_foreach: | |
3083 | yylval.ival = curcop->cop_line; | |
55497cff | 3084 | s = skipspace(s); |
3085 | if (isIDFIRST(*s)) { | |
3086 | char *p = s; | |
3087 | if ((bufend - p) >= 3 && | |
3088 | strnEQ(p, "my", 2) && isSPACE(*(p + 2))) | |
3089 | p += 2; | |
3090 | p = skipspace(p); | |
3091 | if (isIDFIRST(*p)) | |
3092 | croak("Missing $ on loop variable"); | |
3093 | } | |
79072805 LW |
3094 | OPERATOR(FOR); |
3095 | ||
3096 | case KEY_formline: | |
a0d0e21e | 3097 | LOP(OP_FORMLINE,XTERM); |
79072805 LW |
3098 | |
3099 | case KEY_fork: | |
3100 | FUN0(OP_FORK); | |
3101 | ||
3102 | case KEY_fcntl: | |
a0d0e21e | 3103 | LOP(OP_FCNTL,XTERM); |
79072805 LW |
3104 | |
3105 | case KEY_fileno: | |
3106 | UNI(OP_FILENO); | |
3107 | ||
3108 | case KEY_flock: | |
a0d0e21e | 3109 | LOP(OP_FLOCK,XTERM); |
79072805 LW |
3110 | |
3111 | case KEY_gt: | |
3112 | Rop(OP_SGT); | |
3113 | ||
3114 | case KEY_ge: | |
3115 | Rop(OP_SGE); | |
3116 | ||
3117 | case KEY_grep: | |
a0d0e21e | 3118 | LOP(OP_GREPSTART, *s == '(' ? XTERM : XREF); |
79072805 LW |
3119 | |
3120 | case KEY_goto: | |
a0d0e21e | 3121 | s = force_word(s,WORD,TRUE,FALSE,FALSE); |
79072805 LW |
3122 | LOOPX(OP_GOTO); |
3123 | ||
3124 | case KEY_gmtime: | |
3125 | UNI(OP_GMTIME); | |
3126 | ||
3127 | case KEY_getc: | |
3128 | UNI(OP_GETC); | |
3129 | ||
3130 | case KEY_getppid: | |
3131 | FUN0(OP_GETPPID); | |
3132 | ||
3133 | case KEY_getpgrp: | |
3134 | UNI(OP_GETPGRP); | |
3135 | ||
3136 | case KEY_getpriority: | |
a0d0e21e | 3137 | LOP(OP_GETPRIORITY,XTERM); |
79072805 LW |
3138 | |
3139 | case KEY_getprotobyname: | |
3140 | UNI(OP_GPBYNAME); | |
3141 | ||
3142 | case KEY_getprotobynumber: | |
a0d0e21e | 3143 | LOP(OP_GPBYNUMBER,XTERM); |
79072805 LW |
3144 | |
3145 | case KEY_getprotoent: | |
3146 | FUN0(OP_GPROTOENT); | |
3147 | ||
3148 | case KEY_getpwent: | |
3149 | FUN0(OP_GPWENT); | |
3150 | ||
3151 | case KEY_getpwnam: | |
ff68c719 | 3152 | UNI(OP_GPWNAM); |
79072805 LW |
3153 | |
3154 | case KEY_getpwuid: | |
ff68c719 | 3155 | UNI(OP_GPWUID); |
79072805 LW |
3156 | |
3157 | case KEY_getpeername: | |
3158 | UNI(OP_GETPEERNAME); | |
3159 | ||
3160 | case KEY_gethostbyname: | |
3161 | UNI(OP_GHBYNAME); | |
3162 | ||
3163 | case KEY_gethostbyaddr: | |
a0d0e21e | 3164 | LOP(OP_GHBYADDR,XTERM); |
79072805 LW |
3165 | |
3166 | case KEY_gethostent: | |
3167 | FUN0(OP_GHOSTENT); | |
3168 | ||
3169 | case KEY_getnetbyname: | |
3170 | UNI(OP_GNBYNAME); | |
3171 | ||
3172 | case KEY_getnetbyaddr: | |
a0d0e21e | 3173 | LOP(OP_GNBYADDR,XTERM); |
79072805 LW |
3174 | |
3175 | case KEY_getnetent: | |
3176 | FUN0(OP_GNETENT); | |
3177 | ||
3178 | case KEY_getservbyname: | |
a0d0e21e | 3179 | LOP(OP_GSBYNAME,XTERM); |
79072805 LW |
3180 | |
3181 | case KEY_getservbyport: | |
a0d0e21e | 3182 | LOP(OP_GSBYPORT,XTERM); |
79072805 LW |
3183 | |
3184 | case KEY_getservent: | |
3185 | FUN0(OP_GSERVENT); | |
3186 | ||
3187 | case KEY_getsockname: | |
3188 | UNI(OP_GETSOCKNAME); | |
3189 | ||
3190 | case KEY_getsockopt: | |
a0d0e21e | 3191 | LOP(OP_GSOCKOPT,XTERM); |
79072805 LW |
3192 | |
3193 | case KEY_getgrent: | |
3194 | FUN0(OP_GGRENT); | |
3195 | ||
3196 | case KEY_getgrnam: | |
ff68c719 | 3197 | UNI(OP_GGRNAM); |
79072805 LW |
3198 | |
3199 | case KEY_getgrgid: | |
ff68c719 | 3200 | UNI(OP_GGRGID); |
79072805 LW |
3201 | |
3202 | case KEY_getlogin: | |
3203 | FUN0(OP_GETLOGIN); | |
3204 | ||
93a17b20 | 3205 | case KEY_glob: |
a0d0e21e LW |
3206 | set_csh(); |
3207 | LOP(OP_GLOB,XTERM); | |
93a17b20 | 3208 | |
79072805 LW |
3209 | case KEY_hex: |
3210 | UNI(OP_HEX); | |
3211 | ||
3212 | case KEY_if: | |
3213 | yylval.ival = curcop->cop_line; | |
3214 | OPERATOR(IF); | |
3215 | ||
3216 | case KEY_index: | |
a0d0e21e | 3217 | LOP(OP_INDEX,XTERM); |
79072805 LW |
3218 | |
3219 | case KEY_int: | |
3220 | UNI(OP_INT); | |
3221 | ||
3222 | case KEY_ioctl: | |
a0d0e21e | 3223 | LOP(OP_IOCTL,XTERM); |
79072805 LW |
3224 | |
3225 | case KEY_join: | |
a0d0e21e | 3226 | LOP(OP_JOIN,XTERM); |
79072805 LW |
3227 | |
3228 | case KEY_keys: | |
3229 | UNI(OP_KEYS); | |
3230 | ||
3231 | case KEY_kill: | |
a0d0e21e | 3232 | LOP(OP_KILL,XTERM); |
79072805 LW |
3233 | |
3234 | case KEY_last: | |
a0d0e21e | 3235 | s = force_word(s,WORD,TRUE,FALSE,FALSE); |
79072805 | 3236 | LOOPX(OP_LAST); |
a0d0e21e | 3237 | |
79072805 LW |
3238 | case KEY_lc: |
3239 | UNI(OP_LC); | |
3240 | ||
3241 | case KEY_lcfirst: | |
3242 | UNI(OP_LCFIRST); | |
3243 | ||
3244 | case KEY_local: | |
3245 | OPERATOR(LOCAL); | |
3246 | ||
3247 | case KEY_length: | |
3248 | UNI(OP_LENGTH); | |
3249 | ||
3250 | case KEY_lt: | |
3251 | Rop(OP_SLT); | |
3252 | ||
3253 | case KEY_le: | |
3254 | Rop(OP_SLE); | |
3255 | ||
3256 | case KEY_localtime: | |
3257 | UNI(OP_LOCALTIME); | |
3258 | ||
3259 | case KEY_log: | |
3260 | UNI(OP_LOG); | |
3261 | ||
3262 | case KEY_link: | |
a0d0e21e | 3263 | LOP(OP_LINK,XTERM); |
79072805 LW |
3264 | |
3265 | case KEY_listen: | |
a0d0e21e | 3266 | LOP(OP_LISTEN,XTERM); |
79072805 | 3267 | |
c0329465 MB |
3268 | case KEY_lock: |
3269 | UNI(OP_LOCK); | |
3270 | ||
79072805 LW |
3271 | case KEY_lstat: |
3272 | UNI(OP_LSTAT); | |
3273 | ||
3274 | case KEY_m: | |
3275 | s = scan_pat(s); | |
3276 | TERM(sublex_start()); | |
3277 | ||
a0d0e21e LW |
3278 | case KEY_map: |
3279 | LOP(OP_MAPSTART,XREF); | |
3280 | ||
79072805 | 3281 | case KEY_mkdir: |
a0d0e21e | 3282 | LOP(OP_MKDIR,XTERM); |
79072805 LW |
3283 | |
3284 | case KEY_msgctl: | |
a0d0e21e | 3285 | LOP(OP_MSGCTL,XTERM); |
79072805 LW |
3286 | |
3287 | case KEY_msgget: | |
a0d0e21e | 3288 | LOP(OP_MSGGET,XTERM); |
79072805 LW |
3289 | |
3290 | case KEY_msgrcv: | |
a0d0e21e | 3291 | LOP(OP_MSGRCV,XTERM); |
79072805 LW |
3292 | |
3293 | case KEY_msgsnd: | |
a0d0e21e | 3294 | LOP(OP_MSGSND,XTERM); |
79072805 | 3295 | |
93a17b20 LW |
3296 | case KEY_my: |
3297 | in_my = TRUE; | |
c750a3ec MB |
3298 | s = skipspace(s); |
3299 | if (isIDFIRST(*s)) { | |
97fcbf96 | 3300 | s = scan_word(s, tokenbuf, sizeof tokenbuf, TRUE, &len); |
c750a3ec MB |
3301 | in_my_stash = gv_stashpv(tokenbuf, FALSE); |
3302 | if (!in_my_stash) { | |
3303 | char tmpbuf[1024]; | |
3304 | bufptr = s; | |
3305 | sprintf(tmpbuf, "No such class %.1000s", tokenbuf); | |
3306 | yyerror(tmpbuf); | |
3307 | } | |
3308 | } | |
55497cff | 3309 | OPERATOR(MY); |
93a17b20 | 3310 | |
79072805 | 3311 | case KEY_next: |
a0d0e21e | 3312 | s = force_word(s,WORD,TRUE,FALSE,FALSE); |
79072805 LW |
3313 | LOOPX(OP_NEXT); |
3314 | ||
3315 | case KEY_ne: | |
3316 | Eop(OP_SNE); | |
3317 | ||
a0d0e21e LW |
3318 | case KEY_no: |
3319 | if (expect != XSTATE) | |
3320 | yyerror("\"no\" not allowed in expression"); | |
3321 | s = force_word(s,WORD,FALSE,TRUE,FALSE); | |
89bfa8cd | 3322 | s = force_version(s); |
a0d0e21e LW |
3323 | yylval.ival = 0; |
3324 | OPERATOR(USE); | |
3325 | ||
3326 | case KEY_not: | |
3327 | OPERATOR(NOTOP); | |
3328 | ||
79072805 | 3329 | case KEY_open: |
93a17b20 LW |
3330 | s = skipspace(s); |
3331 | if (isIDFIRST(*s)) { | |
3332 | char *t; | |
3333 | for (d = s; isALNUM(*d); d++) ; | |
3334 | t = skipspace(d); | |
3335 | if (strchr("|&*+-=!?:.", *t)) | |
3336 | warn("Precedence problem: open %.*s should be open(%.*s)", | |
3337 | d-s,s, d-s,s); | |
3338 | } | |
a0d0e21e | 3339 | LOP(OP_OPEN,XTERM); |
79072805 | 3340 | |
463ee0b2 | 3341 | case KEY_or: |
a0d0e21e | 3342 | yylval.ival = OP_OR; |
463ee0b2 LW |
3343 | OPERATOR(OROP); |
3344 | ||
79072805 LW |
3345 | case KEY_ord: |
3346 | UNI(OP_ORD); | |
3347 | ||
3348 | case KEY_oct: | |
3349 | UNI(OP_OCT); | |
3350 | ||
3351 | case KEY_opendir: | |
a0d0e21e | 3352 | LOP(OP_OPEN_DIR,XTERM); |
79072805 LW |
3353 | |
3354 | case KEY_print: | |
3355 | checkcomma(s,tokenbuf,"filehandle"); | |
a0d0e21e | 3356 | LOP(OP_PRINT,XREF); |
79072805 LW |
3357 | |
3358 | case KEY_printf: | |
3359 | checkcomma(s,tokenbuf,"filehandle"); | |
a0d0e21e | 3360 | LOP(OP_PRTF,XREF); |
79072805 | 3361 | |
c07a80fd | 3362 | case KEY_prototype: |
3363 | UNI(OP_PROTOTYPE); | |
3364 | ||
79072805 | 3365 | case KEY_push: |
a0d0e21e | 3366 | LOP(OP_PUSH,XTERM); |
79072805 LW |
3367 | |
3368 | case KEY_pop: | |
3369 | UNI(OP_POP); | |
3370 | ||
a0d0e21e LW |
3371 | case KEY_pos: |
3372 | UNI(OP_POS); | |
3373 | ||
79072805 | 3374 | case KEY_pack: |
a0d0e21e | 3375 | LOP(OP_PACK,XTERM); |
79072805 LW |
3376 | |
3377 | case KEY_package: | |
a0d0e21e | 3378 | s = force_word(s,WORD,FALSE,TRUE,FALSE); |
79072805 LW |
3379 | OPERATOR(PACKAGE); |
3380 | ||
3381 | case KEY_pipe: | |
a0d0e21e | 3382 | LOP(OP_PIPE_OP,XTERM); |
79072805 LW |
3383 | |
3384 | case KEY_q: | |
3385 | s = scan_str(s); | |
3386 | if (!s) | |
85e6fe83 | 3387 | missingterm((char*)0); |
79072805 LW |
3388 | yylval.ival = OP_CONST; |
3389 | TERM(sublex_start()); | |
3390 | ||
a0d0e21e LW |
3391 | case KEY_quotemeta: |
3392 | UNI(OP_QUOTEMETA); | |
3393 | ||
8990e307 LW |
3394 | case KEY_qw: |
3395 | s = scan_str(s); | |
3396 | if (!s) | |
85e6fe83 | 3397 | missingterm((char*)0); |
55497cff | 3398 | if (dowarn && SvLEN(lex_stuff)) { |
3399 | d = SvPV_force(lex_stuff, len); | |
3400 | for (; len; --len, ++d) { | |
3401 | if (*d == ',') { | |
3402 | warn("Possible attempt to separate words with commas"); | |
3403 | break; | |
3404 | } | |
3405 | if (*d == '#') { | |
3406 | warn("Possible attempt to put comments in qw() list"); | |
3407 | break; | |
3408 | } | |
3409 | } | |
3410 | } | |
8990e307 LW |
3411 | force_next(')'); |
3412 | nextval[nexttoke].opval = (OP*)newSVOP(OP_CONST, 0, q(lex_stuff)); | |
3413 | lex_stuff = Nullsv; | |
3414 | force_next(THING); | |
3415 | force_next(','); | |
3416 | nextval[nexttoke].opval = (OP*)newSVOP(OP_CONST, 0, newSVpv(" ",1)); | |
3417 | force_next(THING); | |
3418 | force_next('('); | |
a0d0e21e LW |
3419 | yylval.ival = OP_SPLIT; |
3420 | CLINE; | |
3421 | expect = XTERM; | |
3422 | bufptr = s; | |
3423 | last_lop = oldbufptr; | |
3424 | last_lop_op = OP_SPLIT; | |
3425 | return FUNC; | |
8990e307 | 3426 | |
79072805 LW |
3427 | case KEY_qq: |
3428 | s = scan_str(s); | |
3429 | if (!s) | |
85e6fe83 | 3430 | missingterm((char*)0); |
a0d0e21e | 3431 | yylval.ival = OP_STRINGIFY; |
ed6116ce LW |
3432 | if (SvIVX(lex_stuff) == '\'') |
3433 | SvIVX(lex_stuff) = 0; /* qq'$foo' should intepolate */ | |
79072805 LW |
3434 | TERM(sublex_start()); |
3435 | ||
3436 | case KEY_qx: | |
3437 | s = scan_str(s); | |
3438 | if (!s) | |
85e6fe83 | 3439 | missingterm((char*)0); |
79072805 LW |
3440 | yylval.ival = OP_BACKTICK; |
3441 | set_csh(); | |
3442 | TERM(sublex_start()); | |
3443 | ||
3444 | case KEY_return: | |
3445 | OLDLOP(OP_RETURN); | |
3446 | ||
3447 | case KEY_require: | |
748a9306 | 3448 | *tokenbuf = '\0'; |
a0d0e21e | 3449 | s = force_word(s,WORD,TRUE,TRUE,FALSE); |
748a9306 | 3450 | if (isIDFIRST(*tokenbuf)) |
89bfa8cd | 3451 | gv_stashpvn(tokenbuf, strlen(tokenbuf), TRUE); |
748a9306 | 3452 | else if (*s == '<') |
a0d0e21e | 3453 | yyerror("<> should be quotes"); |
463ee0b2 | 3454 | UNI(OP_REQUIRE); |
79072805 LW |
3455 | |
3456 | case KEY_reset: | |
3457 | UNI(OP_RESET); | |
3458 | ||
3459 | case KEY_redo: | |
a0d0e21e | 3460 | s = force_word(s,WORD,TRUE,FALSE,FALSE); |
79072805 LW |
3461 | LOOPX(OP_REDO); |
3462 | ||
3463 | case KEY_rename: | |
a0d0e21e | 3464 | LOP(OP_RENAME,XTERM); |
79072805 LW |
3465 | |
3466 | case KEY_rand: | |
3467 | UNI(OP_RAND); | |
3468 | ||
3469 | case KEY_rmdir: | |
3470 | UNI(OP_RMDIR); | |
3471 | ||
3472 | case KEY_rindex: | |
a0d0e21e | 3473 | LOP(OP_RINDEX,XTERM); |
79072805 LW |
3474 | |
3475 | case KEY_read: | |
a0d0e21e | 3476 | LOP(OP_READ,XTERM); |
79072805 LW |
3477 | |
3478 | case KEY_readdir: | |
3479 | UNI(OP_READDIR); | |
3480 | ||
93a17b20 LW |
3481 | case KEY_readline: |
3482 | set_csh(); | |
3483 | UNI(OP_READLINE); | |
3484 | ||
3485 | case KEY_readpipe: | |
3486 | set_csh(); | |
3487 | UNI(OP_BACKTICK); | |
3488 | ||
79072805 LW |
3489 | case KEY_rewinddir: |
3490 | UNI(OP_REWINDDIR); | |
3491 | ||
3492 | case KEY_recv: | |
a0d0e21e | 3493 | LOP(OP_RECV,XTERM); |
79072805 LW |
3494 | |
3495 | case KEY_reverse: | |
a0d0e21e | 3496 | LOP(OP_REVERSE,XTERM); |
79072805 LW |
3497 | |
3498 | case KEY_readlink: | |
3499 | UNI(OP_READLINK); | |
3500 | ||
3501 | case KEY_ref: | |
3502 | UNI(OP_REF); | |
3503 | ||
3504 | case KEY_s: | |
3505 | s = scan_subst(s); | |
3506 | if (yylval.opval) | |
3507 | TERM(sublex_start()); | |
3508 | else | |
3509 | TOKEN(1); /* force error */ | |
3510 | ||
a0d0e21e LW |
3511 | case KEY_chomp: |
3512 | UNI(OP_CHOMP); | |
3513 | ||
79072805 LW |
3514 | case KEY_scalar: |
3515 | UNI(OP_SCALAR); | |
3516 | ||
3517 | case KEY_select: | |
a0d0e21e | 3518 | LOP(OP_SELECT,XTERM); |
79072805 LW |
3519 | |
3520 | case KEY_seek: | |
a0d0e21e | 3521 | LOP(OP_SEEK,XTERM); |
79072805 LW |
3522 | |
3523 | case KEY_semctl: | |
a0d0e21e | 3524 | LOP(OP_SEMCTL,XTERM); |
79072805 LW |
3525 | |
3526 | case KEY_semget: | |
a0d0e21e | 3527 | LOP(OP_SEMGET,XTERM); |
79072805 LW |
3528 | |
3529 | case KEY_semop: | |
a0d0e21e | 3530 | LOP(OP_SEMOP,XTERM); |
79072805 LW |
3531 | |
3532 | case KEY_send: | |
a0d0e21e | 3533 | LOP(OP_SEND,XTERM); |
79072805 LW |
3534 | |
3535 | case KEY_setpgrp: | |
a0d0e21e | 3536 | LOP(OP_SETPGRP,XTERM); |
79072805 LW |
3537 | |
3538 | case KEY_setpriority: | |
a0d0e21e | 3539 | LOP(OP_SETPRIORITY,XTERM); |
79072805 LW |
3540 | |
3541 | case KEY_sethostent: | |
ff68c719 | 3542 | UNI(OP_SHOSTENT); |
79072805 LW |
3543 | |
3544 | case KEY_setnetent: | |
ff68c719 | 3545 | UNI(OP_SNETENT); |
79072805 LW |
3546 | |
3547 | case KEY_setservent: | |
ff68c719 | 3548 | UNI(OP_SSERVENT); |
79072805 LW |
3549 | |
3550 | case KEY_setprotoent: | |
ff68c719 | 3551 | UNI(OP_SPROTOENT); |
79072805 LW |
3552 | |
3553 | case KEY_setpwent: | |
3554 | FUN0(OP_SPWENT); | |
3555 | ||
3556 | case KEY_setgrent: | |
3557 | FUN0(OP_SGRENT); | |
3558 | ||
3559 | case KEY_seekdir: | |
a0d0e21e | 3560 | LOP(OP_SEEKDIR,XTERM); |
79072805 LW |
3561 | |
3562 | case KEY_setsockopt: | |
a0d0e21e | 3563 | LOP(OP_SSOCKOPT,XTERM); |
79072805 LW |
3564 | |
3565 | case KEY_shift: | |
3566 | UNI(OP_SHIFT); | |
3567 | ||
3568 | case KEY_shmctl: | |
a0d0e21e | 3569 | LOP(OP_SHMCTL,XTERM); |
79072805 LW |
3570 | |
3571 | case KEY_shmget: | |
a0d0e21e | 3572 | LOP(OP_SHMGET,XTERM); |
79072805 LW |
3573 | |
3574 | case KEY_shmread: | |
a0d0e21e | 3575 | LOP(OP_SHMREAD,XTERM); |
79072805 LW |
3576 | |
3577 | case KEY_shmwrite: | |
a0d0e21e | 3578 | LOP(OP_SHMWRITE,XTERM); |
79072805 LW |
3579 | |
3580 | case KEY_shutdown: | |
a0d0e21e | 3581 | LOP(OP_SHUTDOWN,XTERM); |
79072805 LW |
3582 | |
3583 | case KEY_sin: | |
3584 | UNI(OP_SIN); | |
3585 | ||
3586 | case KEY_sleep: | |
3587 | UNI(OP_SLEEP); | |
3588 | ||
3589 | case KEY_socket: | |
a0d0e21e | 3590 | LOP(OP_SOCKET,XTERM); |
79072805 LW |
3591 | |
3592 | case KEY_socketpair: | |
a0d0e21e | 3593 | LOP(OP_SOCKPAIR,XTERM); |
79072805 LW |
3594 | |
3595 | case KEY_sort: | |
3596 | checkcomma(s,tokenbuf,"subroutine name"); | |
3597 | s = skipspace(s); | |
3598 | if (*s == ';' || *s == ')') /* probably a close */ | |
463ee0b2 LW |
3599 | croak("sort is now a reserved word"); |
3600 | expect = XTERM; | |
15f0808c | 3601 | s = force_word(s,WORD,TRUE,TRUE,FALSE); |
a0d0e21e | 3602 | LOP(OP_SORT,XREF); |
79072805 LW |
3603 | |
3604 | case KEY_split: | |
a0d0e21e | 3605 | LOP(OP_SPLIT,XTERM); |
79072805 LW |
3606 | |
3607 | case KEY_sprintf: | |
a0d0e21e | 3608 | LOP(OP_SPRINTF,XTERM); |
79072805 LW |
3609 | |
3610 | case KEY_splice: | |
a0d0e21e | 3611 | LOP(OP_SPLICE,XTERM); |
79072805 LW |
3612 | |
3613 | case KEY_sqrt: | |
3614 | UNI(OP_SQRT); | |
3615 | ||
3616 | case KEY_srand: | |
3617 | UNI(OP_SRAND); | |
3618 | ||
3619 | case KEY_stat: | |
3620 | UNI(OP_STAT); | |
3621 | ||
3622 | case KEY_study: | |
3623 | sawstudy++; | |
3624 | UNI(OP_STUDY); | |
3625 | ||
3626 | case KEY_substr: | |
a0d0e21e | 3627 | LOP(OP_SUBSTR,XTERM); |
79072805 LW |
3628 | |
3629 | case KEY_format: | |
3630 | case KEY_sub: | |
93a17b20 | 3631 | really_sub: |
79072805 | 3632 | s = skipspace(s); |
4633a7c4 | 3633 | |
463ee0b2 | 3634 | if (isIDFIRST(*s) || *s == '\'' || *s == ':') { |
8903cb82 | 3635 | char tmpbuf[sizeof tokenbuf]; |
4633a7c4 | 3636 | expect = XBLOCK; |
8903cb82 | 3637 | d = scan_word(s, tmpbuf, sizeof tmpbuf, TRUE, &len); |
463ee0b2 LW |
3638 | if (strchr(tmpbuf, ':')) |
3639 | sv_setpv(subname, tmpbuf); | |
3640 | else { | |
3641 | sv_setsv(subname,curstname); | |
8990e307 | 3642 | sv_catpvn(subname,"::",2); |
463ee0b2 LW |
3643 | sv_catpvn(subname,tmpbuf,len); |
3644 | } | |
a0d0e21e | 3645 | s = force_word(s,WORD,FALSE,TRUE,TRUE); |
4633a7c4 | 3646 | s = skipspace(s); |
79072805 | 3647 | } |
4633a7c4 LW |
3648 | else { |
3649 | expect = XTERMBLOCK; | |
79072805 | 3650 | sv_setpv(subname,"?"); |
4633a7c4 LW |
3651 | } |
3652 | ||
3653 | if (tmp == KEY_format) { | |
3654 | s = skipspace(s); | |
3655 | if (*s == '=') | |
3656 | lex_formbrack = lex_brackets + 1; | |
3657 | OPERATOR(FORMAT); | |
3658 | } | |
79072805 | 3659 | |
4633a7c4 LW |
3660 | /* Look for a prototype */ |
3661 | if (*s == '(') { | |
68dc0745 | 3662 | char *p; |
3663 | ||
4633a7c4 LW |
3664 | s = scan_str(s); |
3665 | if (!s) { | |
3666 | if (lex_stuff) | |
3667 | SvREFCNT_dec(lex_stuff); | |
3668 | lex_stuff = Nullsv; | |
3669 | croak("Prototype not terminated"); | |
3670 | } | |
68dc0745 | 3671 | /* strip spaces */ |
3672 | d = SvPVX(lex_stuff); | |
3673 | tmp = 0; | |
3674 | for (p = d; *p; ++p) { | |
3675 | if (!isSPACE(*p)) | |
3676 | d[tmp++] = *p; | |
3677 | } | |
3678 | d[tmp] = '\0'; | |
3679 | SvCUR(lex_stuff) = tmp; | |
3680 | ||
4633a7c4 LW |
3681 | nexttoke++; |
3682 | nextval[1] = nextval[0]; | |
3683 | nexttype[1] = nexttype[0]; | |
3684 | nextval[0].opval = (OP*)newSVOP(OP_CONST, 0, lex_stuff); | |
3685 | nexttype[0] = THING; | |
3686 | if (nexttoke == 1) { | |
3687 | lex_defer = lex_state; | |
3688 | lex_expect = expect; | |
3689 | lex_state = LEX_KNOWNEXT; | |
3690 | } | |
3691 | lex_stuff = Nullsv; | |
3692 | } | |
79072805 | 3693 | |
4633a7c4 LW |
3694 | if (*SvPV(subname,na) == '?') { |
3695 | sv_setpv(subname,"__ANON__"); | |
3696 | TOKEN(ANONSUB); | |
3697 | } | |
3698 | PREBLOCK(SUB); | |
79072805 LW |
3699 | |
3700 | case KEY_system: | |
3701 | set_csh(); | |
a0d0e21e | 3702 | LOP(OP_SYSTEM,XREF); |
79072805 LW |
3703 | |
3704 | case KEY_symlink: | |
a0d0e21e | 3705 | LOP(OP_SYMLINK,XTERM); |
79072805 LW |
3706 | |
3707 | case KEY_syscall: | |
a0d0e21e | 3708 | LOP(OP_SYSCALL,XTERM); |
79072805 | 3709 | |
c07a80fd | 3710 | case KEY_sysopen: |
3711 | LOP(OP_SYSOPEN,XTERM); | |
3712 | ||
137443ea | 3713 | case KEY_sysseek: |
3714 | LOP(OP_SYSSEEK,XTERM); | |
3715 | ||
79072805 | 3716 | case KEY_sysread: |
a0d0e21e | 3717 | LOP(OP_SYSREAD,XTERM); |
79072805 LW |
3718 | |
3719 | case KEY_syswrite: | |
a0d0e21e | 3720 | LOP(OP_SYSWRITE,XTERM); |
79072805 LW |
3721 | |
3722 | case KEY_tr: | |
3723 | s = scan_trans(s); | |
3724 | TERM(sublex_start()); | |
3725 | ||
3726 | case KEY_tell: | |
3727 | UNI(OP_TELL); | |
3728 | ||
3729 | case KEY_telldir: | |
3730 | UNI(OP_TELLDIR); | |
3731 | ||
463ee0b2 | 3732 | case KEY_tie: |
a0d0e21e | 3733 | LOP(OP_TIE,XTERM); |
463ee0b2 | 3734 | |
c07a80fd | 3735 | case KEY_tied: |
3736 | UNI(OP_TIED); | |
3737 | ||
79072805 LW |
3738 | case KEY_time: |
3739 | FUN0(OP_TIME); | |
3740 | ||
3741 | case KEY_times: | |
3742 | FUN0(OP_TMS); | |
3743 | ||
3744 | case KEY_truncate: | |
a0d0e21e | 3745 | LOP(OP_TRUNCATE,XTERM); |
79072805 LW |
3746 | |
3747 | case KEY_uc: | |
3748 | UNI(OP_UC); | |
3749 | ||
3750 | case KEY_ucfirst: | |
3751 | UNI(OP_UCFIRST); | |
3752 | ||
463ee0b2 LW |
3753 | case KEY_untie: |
3754 | UNI(OP_UNTIE); | |
3755 | ||
79072805 LW |
3756 | case KEY_until: |
3757 | yylval.ival = curcop->cop_line; | |
3758 | OPERATOR(UNTIL); | |
3759 | ||
3760 | case KEY_unless: | |
3761 | yylval.ival = curcop->cop_line; | |
3762 | OPERATOR(UNLESS); | |
3763 | ||
3764 | case KEY_unlink: | |
a0d0e21e | 3765 | LOP(OP_UNLINK,XTERM); |
79072805 LW |
3766 | |
3767 | case KEY_undef: | |
3768 | UNI(OP_UNDEF); | |
3769 | ||
3770 | case KEY_unpack: | |
a0d0e21e | 3771 | LOP(OP_UNPACK,XTERM); |
79072805 LW |
3772 | |
3773 | case KEY_utime: | |
a0d0e21e | 3774 | LOP(OP_UTIME,XTERM); |
79072805 LW |
3775 | |
3776 | case KEY_umask: | |
748a9306 LW |
3777 | if (dowarn) { |
3778 | for (d = s; d < bufend && (isSPACE(*d) || *d == '('); d++) ; | |
3779 | if (*d != '0' && isDIGIT(*d)) | |
3780 | yywarn("umask: argument is missing initial 0"); | |
3781 | } | |
79072805 LW |
3782 | UNI(OP_UMASK); |
3783 | ||
3784 | case KEY_unshift: | |
a0d0e21e LW |
3785 | LOP(OP_UNSHIFT,XTERM); |
3786 | ||
3787 | case KEY_use: | |
3788 | if (expect != XSTATE) | |
3789 | yyerror("\"use\" not allowed in expression"); | |
89bfa8cd | 3790 | s = skipspace(s); |
3791 | if(isDIGIT(*s)) { | |
3792 | s = force_version(s); | |
3793 | if(*s == ';' || (s = skipspace(s), *s == ';')) { | |
3794 | nextval[nexttoke].opval = Nullop; | |
3795 | force_next(WORD); | |
3796 | } | |
3797 | } | |
3798 | else { | |
3799 | s = force_word(s,WORD,FALSE,TRUE,FALSE); | |
3800 | s = force_version(s); | |
3801 | } | |
a0d0e21e LW |
3802 | yylval.ival = 1; |
3803 | OPERATOR(USE); | |
79072805 LW |
3804 | |
3805 | case KEY_values: | |
3806 | UNI(OP_VALUES); | |
3807 | ||
3808 | case KEY_vec: | |
3809 | sawvec = TRUE; | |
a0d0e21e | 3810 | LOP(OP_VEC,XTERM); |
79072805 LW |
3811 | |
3812 | case KEY_while: | |
3813 | yylval.ival = curcop->cop_line; | |
3814 | OPERATOR(WHILE); | |
3815 | ||
3816 | case KEY_warn: | |
a0d0e21e LW |
3817 | hints |= HINT_BLOCK_SCOPE; |
3818 | LOP(OP_WARN,XTERM); | |
79072805 LW |
3819 | |
3820 | case KEY_wait: | |
3821 | FUN0(OP_WAIT); | |
3822 | ||
3823 | case KEY_waitpid: | |
a0d0e21e | 3824 | LOP(OP_WAITPID,XTERM); |
79072805 LW |
3825 | |
3826 | case KEY_wantarray: | |
3827 | FUN0(OP_WANTARRAY); | |
3828 | ||
3829 | case KEY_write: | |
85e6fe83 | 3830 | gv_fetchpv("\f",TRUE, SVt_PV); /* Make sure $^L is defined */ |
79072805 LW |
3831 | UNI(OP_ENTERWRITE); |
3832 | ||
3833 | case KEY_x: | |
3834 | if (expect == XOPERATOR) | |
3835 | Mop(OP_REPEAT); | |
3836 | check_uni(); | |
3837 | goto just_a_word; | |
3838 | ||
a0d0e21e LW |
3839 | case KEY_xor: |
3840 | yylval.ival = OP_XOR; | |
3841 | OPERATOR(OROP); | |
3842 | ||
79072805 LW |
3843 | case KEY_y: |
3844 | s = scan_trans(s); | |
3845 | TERM(sublex_start()); | |
3846 | } | |
49dc05e3 | 3847 | }} |
79072805 LW |
3848 | } |
3849 | ||
3850 | I32 | |
8ac85365 | 3851 | keyword(register char *d, I32 len) |
79072805 LW |
3852 | { |
3853 | switch (*d) { | |
3854 | case '_': | |
3855 | if (d[1] == '_') { | |
a0d0e21e | 3856 | if (strEQ(d,"__FILE__")) return -KEY___FILE__; |
68dc0745 | 3857 | if (strEQ(d,"__LINE__")) return -KEY___LINE__; |
3858 | if (strEQ(d,"__PACKAGE__")) return -KEY___PACKAGE__; | |
e50aee73 | 3859 | if (strEQ(d,"__DATA__")) return KEY___DATA__; |
79072805 LW |
3860 | if (strEQ(d,"__END__")) return KEY___END__; |
3861 | } | |
3862 | break; | |
8990e307 LW |
3863 | case 'A': |
3864 | if (strEQ(d,"AUTOLOAD")) return KEY_AUTOLOAD; | |
3865 | break; | |
79072805 | 3866 | case 'a': |
463ee0b2 LW |
3867 | switch (len) { |
3868 | case 3: | |
a0d0e21e LW |
3869 | if (strEQ(d,"and")) return -KEY_and; |
3870 | if (strEQ(d,"abs")) return -KEY_abs; | |
85e6fe83 | 3871 | break; |
463ee0b2 | 3872 | case 5: |
a0d0e21e LW |
3873 | if (strEQ(d,"alarm")) return -KEY_alarm; |
3874 | if (strEQ(d,"atan2")) return -KEY_atan2; | |
463ee0b2 LW |
3875 | break; |
3876 | case 6: | |
a0d0e21e | 3877 | if (strEQ(d,"accept")) return -KEY_accept; |
463ee0b2 LW |
3878 | break; |
3879 | } | |
79072805 LW |
3880 | break; |
3881 | case 'B': | |
3882 | if (strEQ(d,"BEGIN")) return KEY_BEGIN; | |
93a17b20 | 3883 | break; |
79072805 | 3884 | case 'b': |
a0d0e21e LW |
3885 | if (strEQ(d,"bless")) return -KEY_bless; |
3886 | if (strEQ(d,"bind")) return -KEY_bind; | |
3887 | if (strEQ(d,"binmode")) return -KEY_binmode; | |
3888 | break; | |
3889 | case 'C': | |
3890 | if (strEQ(d,"CORE")) return -KEY_CORE; | |
79072805 LW |
3891 | break; |
3892 | case 'c': | |
3893 | switch (len) { | |
3894 | case 3: | |
a0d0e21e LW |
3895 | if (strEQ(d,"cmp")) return -KEY_cmp; |
3896 | if (strEQ(d,"chr")) return -KEY_chr; | |
3897 | if (strEQ(d,"cos")) return -KEY_cos; | |
79072805 LW |
3898 | break; |
3899 | case 4: | |
3900 | if (strEQ(d,"chop")) return KEY_chop; | |
3901 | break; | |
3902 | case 5: | |
a0d0e21e LW |
3903 | if (strEQ(d,"close")) return -KEY_close; |
3904 | if (strEQ(d,"chdir")) return -KEY_chdir; | |
3905 | if (strEQ(d,"chomp")) return KEY_chomp; | |
3906 | if (strEQ(d,"chmod")) return -KEY_chmod; | |
3907 | if (strEQ(d,"chown")) return -KEY_chown; | |
3908 | if (strEQ(d,"crypt")) return -KEY_crypt; | |
79072805 LW |
3909 | break; |
3910 | case 6: | |
a0d0e21e LW |
3911 | if (strEQ(d,"chroot")) return -KEY_chroot; |
3912 | if (strEQ(d,"caller")) return -KEY_caller; | |
79072805 LW |
3913 | break; |
3914 | case 7: | |
a0d0e21e | 3915 | if (strEQ(d,"connect")) return -KEY_connect; |
79072805 LW |
3916 | break; |
3917 | case 8: | |
a0d0e21e LW |
3918 | if (strEQ(d,"closedir")) return -KEY_closedir; |
3919 | if (strEQ(d,"continue")) return -KEY_continue; | |
79072805 LW |
3920 | break; |
3921 | } | |
3922 | break; | |
ed6116ce LW |
3923 | case 'D': |
3924 | if (strEQ(d,"DESTROY")) return KEY_DESTROY; | |
3925 | break; | |
79072805 LW |
3926 | case 'd': |
3927 | switch (len) { | |
3928 | case 2: | |
3929 | if (strEQ(d,"do")) return KEY_do; | |
3930 | break; | |
3931 | case 3: | |
a0d0e21e | 3932 | if (strEQ(d,"die")) return -KEY_die; |
79072805 LW |
3933 | break; |
3934 | case 4: | |
a0d0e21e | 3935 | if (strEQ(d,"dump")) return -KEY_dump; |
79072805 LW |
3936 | break; |
3937 | case 6: | |
3938 | if (strEQ(d,"delete")) return KEY_delete; | |
3939 | break; | |
3940 | case 7: | |
3941 | if (strEQ(d,"defined")) return KEY_defined; | |
a0d0e21e | 3942 | if (strEQ(d,"dbmopen")) return -KEY_dbmopen; |
79072805 LW |
3943 | break; |
3944 | case 8: | |
a0d0e21e | 3945 | if (strEQ(d,"dbmclose")) return -KEY_dbmclose; |
79072805 LW |
3946 | break; |
3947 | } | |
3948 | break; | |
3949 | case 'E': | |
a0d0e21e | 3950 | if (strEQ(d,"EQ")) { deprecate(d); return -KEY_eq;} |
79072805 LW |
3951 | if (strEQ(d,"END")) return KEY_END; |
3952 | break; | |
3953 | case 'e': | |
3954 | switch (len) { | |
3955 | case 2: | |
a0d0e21e | 3956 | if (strEQ(d,"eq")) return -KEY_eq; |
79072805 LW |
3957 | break; |
3958 | case 3: | |
a0d0e21e LW |
3959 | if (strEQ(d,"eof")) return -KEY_eof; |
3960 | if (strEQ(d,"exp")) return -KEY_exp; | |
79072805 LW |
3961 | break; |
3962 | case 4: | |
3963 | if (strEQ(d,"else")) return KEY_else; | |
a0d0e21e | 3964 | if (strEQ(d,"exit")) return -KEY_exit; |
79072805 | 3965 | if (strEQ(d,"eval")) return KEY_eval; |
a0d0e21e | 3966 | if (strEQ(d,"exec")) return -KEY_exec; |
79072805 LW |
3967 | if (strEQ(d,"each")) return KEY_each; |
3968 | break; | |
3969 | case 5: | |
3970 | if (strEQ(d,"elsif")) return KEY_elsif; | |
3971 | break; | |
a0d0e21e LW |
3972 | case 6: |
3973 | if (strEQ(d,"exists")) return KEY_exists; | |
4633a7c4 | 3974 | if (strEQ(d,"elseif")) warn("elseif should be elsif"); |
a0d0e21e | 3975 | break; |
79072805 | 3976 | case 8: |
a0d0e21e LW |
3977 | if (strEQ(d,"endgrent")) return -KEY_endgrent; |
3978 | if (strEQ(d,"endpwent")) return -KEY_endpwent; | |
79072805 LW |
3979 | break; |
3980 | case 9: | |
a0d0e21e | 3981 | if (strEQ(d,"endnetent")) return -KEY_endnetent; |
79072805 LW |
3982 | break; |
3983 | case 10: | |
a0d0e21e LW |
3984 | if (strEQ(d,"endhostent")) return -KEY_endhostent; |
3985 | if (strEQ(d,"endservent")) return -KEY_endservent; | |
79072805 LW |
3986 | break; |
3987 | case 11: | |
a0d0e21e | 3988 | if (strEQ(d,"endprotoent")) return -KEY_endprotoent; |
79072805 | 3989 | break; |
a687059c | 3990 | } |
a687059c | 3991 | break; |
79072805 LW |
3992 | case 'f': |
3993 | switch (len) { | |
3994 | case 3: | |
3995 | if (strEQ(d,"for")) return KEY_for; | |
3996 | break; | |
3997 | case 4: | |
a0d0e21e | 3998 | if (strEQ(d,"fork")) return -KEY_fork; |
79072805 LW |
3999 | break; |
4000 | case 5: | |
a0d0e21e LW |
4001 | if (strEQ(d,"fcntl")) return -KEY_fcntl; |
4002 | if (strEQ(d,"flock")) return -KEY_flock; | |
79072805 LW |
4003 | break; |
4004 | case 6: | |
4005 | if (strEQ(d,"format")) return KEY_format; | |
a0d0e21e | 4006 | if (strEQ(d,"fileno")) return -KEY_fileno; |
79072805 LW |
4007 | break; |
4008 | case 7: | |
4009 | if (strEQ(d,"foreach")) return KEY_foreach; | |
4010 | break; | |
4011 | case 8: | |
a0d0e21e | 4012 | if (strEQ(d,"formline")) return -KEY_formline; |
79072805 | 4013 | break; |
378cc40b | 4014 | } |
a687059c | 4015 | break; |
79072805 LW |
4016 | case 'G': |
4017 | if (len == 2) { | |
a0d0e21e LW |
4018 | if (strEQ(d,"GT")) { deprecate(d); return -KEY_gt;} |
4019 | if (strEQ(d,"GE")) { deprecate(d); return -KEY_ge;} | |
9f68db38 | 4020 | } |
a687059c | 4021 | break; |
79072805 | 4022 | case 'g': |
a687059c LW |
4023 | if (strnEQ(d,"get",3)) { |
4024 | d += 3; | |
4025 | if (*d == 'p') { | |
79072805 LW |
4026 | switch (len) { |
4027 | case 7: | |
a0d0e21e LW |
4028 | if (strEQ(d,"ppid")) return -KEY_getppid; |
4029 | if (strEQ(d,"pgrp")) return -KEY_getpgrp; | |
79072805 LW |
4030 | break; |
4031 | case 8: | |
a0d0e21e LW |
4032 | if (strEQ(d,"pwent")) return -KEY_getpwent; |
4033 | if (strEQ(d,"pwnam")) return -KEY_getpwnam; | |
4034 | if (strEQ(d,"pwuid")) return -KEY_getpwuid; | |
79072805 LW |
4035 | break; |
4036 | case 11: | |
a0d0e21e LW |
4037 | if (strEQ(d,"peername")) return -KEY_getpeername; |
4038 | if (strEQ(d,"protoent")) return -KEY_getprotoent; | |
4039 | if (strEQ(d,"priority")) return -KEY_getpriority; | |
79072805 LW |
4040 | break; |
4041 | case 14: | |
a0d0e21e | 4042 | if (strEQ(d,"protobyname")) return -KEY_getprotobyname; |
79072805 LW |
4043 | break; |
4044 | case 16: | |
a0d0e21e | 4045 | if (strEQ(d,"protobynumber"))return -KEY_getprotobynumber; |
79072805 LW |
4046 | break; |
4047 | } | |
a687059c LW |
4048 | } |
4049 | else if (*d == 'h') { | |
a0d0e21e LW |
4050 | if (strEQ(d,"hostbyname")) return -KEY_gethostbyname; |
4051 | if (strEQ(d,"hostbyaddr")) return -KEY_gethostbyaddr; | |
4052 | if (strEQ(d,"hostent")) return -KEY_gethostent; | |
a687059c LW |
4053 | } |
4054 | else if (*d == 'n') { | |
a0d0e21e LW |
4055 | if (strEQ(d,"netbyname")) return -KEY_getnetbyname; |
4056 | if (strEQ(d,"netbyaddr")) return -KEY_getnetbyaddr; | |
4057 | if (strEQ(d,"netent")) return -KEY_getnetent; | |
a687059c LW |
4058 | } |
4059 | else if (*d == 's') { | |
a0d0e21e LW |
4060 | if (strEQ(d,"servbyname")) return -KEY_getservbyname; |
4061 | if (strEQ(d,"servbyport")) return -KEY_getservbyport; | |
4062 | if (strEQ(d,"servent")) return -KEY_getservent; | |
4063 | if (strEQ(d,"sockname")) return -KEY_getsockname; | |
4064 | if (strEQ(d,"sockopt")) return -KEY_getsockopt; | |
a687059c LW |
4065 | } |
4066 | else if (*d == 'g') { | |
a0d0e21e LW |
4067 | if (strEQ(d,"grent")) return -KEY_getgrent; |
4068 | if (strEQ(d,"grnam")) return -KEY_getgrnam; | |
4069 | if (strEQ(d,"grgid")) return -KEY_getgrgid; | |
a687059c LW |
4070 | } |
4071 | else if (*d == 'l') { | |
a0d0e21e | 4072 | if (strEQ(d,"login")) return -KEY_getlogin; |
a687059c | 4073 | } |
a0d0e21e | 4074 | else if (strEQ(d,"c")) return -KEY_getc; |
79072805 | 4075 | break; |
a687059c | 4076 | } |
79072805 LW |
4077 | switch (len) { |
4078 | case 2: | |
a0d0e21e LW |
4079 | if (strEQ(d,"gt")) return -KEY_gt; |
4080 | if (strEQ(d,"ge")) return -KEY_ge; | |
79072805 LW |
4081 | break; |
4082 | case 4: | |
4083 | if (strEQ(d,"grep")) return KEY_grep; | |
4084 | if (strEQ(d,"goto")) return KEY_goto; | |
fb73857a | 4085 | if (strEQ(d,"glob")) return KEY_glob; |
79072805 LW |
4086 | break; |
4087 | case 6: | |
a0d0e21e | 4088 | if (strEQ(d,"gmtime")) return -KEY_gmtime; |
79072805 | 4089 | break; |
378cc40b | 4090 | } |
a687059c | 4091 | break; |
79072805 | 4092 | case 'h': |
a0d0e21e | 4093 | if (strEQ(d,"hex")) return -KEY_hex; |
a687059c | 4094 | break; |
7d07dbc2 MB |
4095 | case 'I': |
4096 | if (strEQ(d,"INIT")) return KEY_INIT; | |
4097 | break; | |
79072805 LW |
4098 | case 'i': |
4099 | switch (len) { | |
4100 | case 2: | |
4101 | if (strEQ(d,"if")) return KEY_if; | |
4102 | break; | |
4103 | case 3: | |
a0d0e21e | 4104 | if (strEQ(d,"int")) return -KEY_int; |
79072805 LW |
4105 | break; |
4106 | case 5: | |
a0d0e21e LW |
4107 | if (strEQ(d,"index")) return -KEY_index; |
4108 | if (strEQ(d,"ioctl")) return -KEY_ioctl; | |
79072805 LW |
4109 | break; |
4110 | } | |
a687059c | 4111 | break; |
79072805 | 4112 | case 'j': |
a0d0e21e | 4113 | if (strEQ(d,"join")) return -KEY_join; |
a687059c | 4114 | break; |
79072805 LW |
4115 | case 'k': |
4116 | if (len == 4) { | |
4117 | if (strEQ(d,"keys")) return KEY_keys; | |
a0d0e21e | 4118 | if (strEQ(d,"kill")) return -KEY_kill; |
663a0e37 | 4119 | } |
79072805 LW |
4120 | break; |
4121 | case 'L': | |
4122 | if (len == 2) { | |
a0d0e21e LW |
4123 | if (strEQ(d,"LT")) { deprecate(d); return -KEY_lt;} |
4124 | if (strEQ(d,"LE")) { deprecate(d); return -KEY_le;} | |
378cc40b | 4125 | } |
79072805 LW |
4126 | break; |
4127 | case 'l': | |
4128 | switch (len) { | |
4129 | case 2: | |
a0d0e21e LW |
4130 | if (strEQ(d,"lt")) return -KEY_lt; |
4131 | if (strEQ(d,"le")) return -KEY_le; | |
4132 | if (strEQ(d,"lc")) return -KEY_lc; | |
79072805 LW |
4133 | break; |
4134 | case 3: | |
a0d0e21e | 4135 | if (strEQ(d,"log")) return -KEY_log; |
79072805 LW |
4136 | break; |
4137 | case 4: | |
4138 | if (strEQ(d,"last")) return KEY_last; | |
a0d0e21e | 4139 | if (strEQ(d,"link")) return -KEY_link; |
c0329465 | 4140 | if (strEQ(d,"lock")) return -KEY_lock; |
395c3793 | 4141 | break; |
79072805 LW |
4142 | case 5: |
4143 | if (strEQ(d,"local")) return KEY_local; | |
a0d0e21e | 4144 | if (strEQ(d,"lstat")) return -KEY_lstat; |
79072805 LW |
4145 | break; |
4146 | case 6: | |
a0d0e21e LW |
4147 | if (strEQ(d,"length")) return -KEY_length; |
4148 | if (strEQ(d,"listen")) return -KEY_listen; | |
79072805 LW |
4149 | break; |
4150 | case 7: | |
a0d0e21e | 4151 | if (strEQ(d,"lcfirst")) return -KEY_lcfirst; |
79072805 LW |
4152 | break; |
4153 | case 9: | |
a0d0e21e | 4154 | if (strEQ(d,"localtime")) return -KEY_localtime; |
395c3793 LW |
4155 | break; |
4156 | } | |
a687059c | 4157 | break; |
79072805 LW |
4158 | case 'm': |
4159 | switch (len) { | |
4160 | case 1: return KEY_m; | |
93a17b20 LW |
4161 | case 2: |
4162 | if (strEQ(d,"my")) return KEY_my; | |
4163 | break; | |
a0d0e21e LW |
4164 | case 3: |
4165 | if (strEQ(d,"map")) return KEY_map; | |
4166 | break; | |
79072805 | 4167 | case 5: |
a0d0e21e | 4168 | if (strEQ(d,"mkdir")) return -KEY_mkdir; |
79072805 LW |
4169 | break; |
4170 | case 6: | |
a0d0e21e LW |
4171 | if (strEQ(d,"msgctl")) return -KEY_msgctl; |
4172 | if (strEQ(d,"msgget")) return -KEY_msgget; | |
4173 | if (strEQ(d,"msgrcv")) return -KEY_msgrcv; | |
4174 | if (strEQ(d,"msgsnd")) return -KEY_msgsnd; | |
79072805 LW |
4175 | break; |
4176 | } | |
a687059c | 4177 | break; |
79072805 | 4178 | case 'N': |
a0d0e21e | 4179 | if (strEQ(d,"NE")) { deprecate(d); return -KEY_ne;} |
a687059c | 4180 | break; |
79072805 LW |
4181 | case 'n': |
4182 | if (strEQ(d,"next")) return KEY_next; | |
a0d0e21e LW |
4183 | if (strEQ(d,"ne")) return -KEY_ne; |
4184 | if (strEQ(d,"not")) return -KEY_not; | |
4185 | if (strEQ(d,"no")) return KEY_no; | |
a687059c | 4186 | break; |
79072805 LW |
4187 | case 'o': |
4188 | switch (len) { | |
463ee0b2 | 4189 | case 2: |
a0d0e21e | 4190 | if (strEQ(d,"or")) return -KEY_or; |
463ee0b2 | 4191 | break; |
79072805 | 4192 | case 3: |
a0d0e21e LW |
4193 | if (strEQ(d,"ord")) return -KEY_ord; |
4194 | if (strEQ(d,"oct")) return -KEY_oct; | |
79072805 LW |
4195 | break; |
4196 | case 4: | |
a0d0e21e | 4197 | if (strEQ(d,"open")) return -KEY_open; |
79072805 LW |
4198 | break; |
4199 | case 7: | |
a0d0e21e | 4200 | if (strEQ(d,"opendir")) return -KEY_opendir; |
79072805 | 4201 | break; |
fe14fcc3 | 4202 | } |
a687059c | 4203 | break; |
79072805 LW |
4204 | case 'p': |
4205 | switch (len) { | |
4206 | case 3: | |
4207 | if (strEQ(d,"pop")) return KEY_pop; | |
a0d0e21e | 4208 | if (strEQ(d,"pos")) return KEY_pos; |
79072805 LW |
4209 | break; |
4210 | case 4: | |
4211 | if (strEQ(d,"push")) return KEY_push; | |
a0d0e21e LW |
4212 | if (strEQ(d,"pack")) return -KEY_pack; |
4213 | if (strEQ(d,"pipe")) return -KEY_pipe; | |
79072805 LW |
4214 | break; |
4215 | case 5: | |
4216 | if (strEQ(d,"print")) return KEY_print; | |
4217 | break; | |
4218 | case 6: | |
4219 | if (strEQ(d,"printf")) return KEY_printf; | |
4220 | break; | |
4221 | case 7: | |
4222 | if (strEQ(d,"package")) return KEY_package; | |
4223 | break; | |
c07a80fd | 4224 | case 9: |
4225 | if (strEQ(d,"prototype")) return KEY_prototype; | |
663a0e37 | 4226 | } |
79072805 LW |
4227 | break; |
4228 | case 'q': | |
4229 | if (len <= 2) { | |
4230 | if (strEQ(d,"q")) return KEY_q; | |
4231 | if (strEQ(d,"qq")) return KEY_qq; | |
8990e307 | 4232 | if (strEQ(d,"qw")) return KEY_qw; |
79072805 | 4233 | if (strEQ(d,"qx")) return KEY_qx; |
663a0e37 | 4234 | } |
a0d0e21e | 4235 | else if (strEQ(d,"quotemeta")) return -KEY_quotemeta; |
79072805 LW |
4236 | break; |
4237 | case 'r': | |
4238 | switch (len) { | |
4239 | case 3: | |
a0d0e21e | 4240 | if (strEQ(d,"ref")) return -KEY_ref; |
79072805 LW |
4241 | break; |
4242 | case 4: | |
a0d0e21e LW |
4243 | if (strEQ(d,"read")) return -KEY_read; |
4244 | if (strEQ(d,"rand")) return -KEY_rand; | |
4245 | if (strEQ(d,"recv")) return -KEY_recv; | |
79072805 LW |
4246 | if (strEQ(d,"redo")) return KEY_redo; |
4247 | break; | |
4248 | case 5: | |
a0d0e21e LW |
4249 | if (strEQ(d,"rmdir")) return -KEY_rmdir; |
4250 | if (strEQ(d,"reset")) return -KEY_reset; | |
79072805 LW |
4251 | break; |
4252 | case 6: | |
4253 | if (strEQ(d,"return")) return KEY_return; | |
a0d0e21e LW |
4254 | if (strEQ(d,"rename")) return -KEY_rename; |
4255 | if (strEQ(d,"rindex")) return -KEY_rindex; | |
79072805 LW |
4256 | break; |
4257 | case 7: | |
a0d0e21e LW |
4258 | if (strEQ(d,"require")) return -KEY_require; |
4259 | if (strEQ(d,"reverse")) return -KEY_reverse; | |
4260 | if (strEQ(d,"readdir")) return -KEY_readdir; | |
79072805 LW |
4261 | break; |
4262 | case 8: | |
a0d0e21e LW |
4263 | if (strEQ(d,"readlink")) return -KEY_readlink; |
4264 | if (strEQ(d,"readline")) return -KEY_readline; | |
4265 | if (strEQ(d,"readpipe")) return -KEY_readpipe; | |
79072805 LW |
4266 | break; |
4267 | case 9: | |
a0d0e21e | 4268 | if (strEQ(d,"rewinddir")) return -KEY_rewinddir; |
79072805 | 4269 | break; |
a687059c | 4270 | } |
79072805 LW |
4271 | break; |
4272 | case 's': | |
a687059c | 4273 | switch (d[1]) { |
79072805 | 4274 | case 0: return KEY_s; |
a687059c | 4275 | case 'c': |
79072805 | 4276 | if (strEQ(d,"scalar")) return KEY_scalar; |
a687059c LW |
4277 | break; |
4278 | case 'e': | |
79072805 LW |
4279 | switch (len) { |
4280 | case 4: | |
a0d0e21e LW |
4281 | if (strEQ(d,"seek")) return -KEY_seek; |
4282 | if (strEQ(d,"send")) return -KEY_send; | |
79072805 LW |
4283 | break; |
4284 | case 5: | |
a0d0e21e | 4285 | if (strEQ(d,"semop")) return -KEY_semop; |
79072805 LW |
4286 | break; |
4287 | case 6: | |
a0d0e21e LW |
4288 | if (strEQ(d,"select")) return -KEY_select; |
4289 | if (strEQ(d,"semctl")) return -KEY_semctl; | |
4290 | if (strEQ(d,"semget")) return -KEY_semget; | |
79072805 LW |
4291 | break; |
4292 | case 7: | |
a0d0e21e LW |
4293 | if (strEQ(d,"setpgrp")) return -KEY_setpgrp; |
4294 | if (strEQ(d,"seekdir")) return -KEY_seekdir; | |
79072805 LW |
4295 | break; |
4296 | case 8: | |
a0d0e21e LW |
4297 | if (strEQ(d,"setpwent")) return -KEY_setpwent; |
4298 | if (strEQ(d,"setgrent")) return -KEY_setgrent; | |
79072805 LW |
4299 | break; |
4300 | case 9: | |
a0d0e21e | 4301 | if (strEQ(d,"setnetent")) return -KEY_setnetent; |
79072805 LW |
4302 | break; |
4303 | case 10: | |
a0d0e21e LW |
4304 | if (strEQ(d,"setsockopt")) return -KEY_setsockopt; |
4305 | if (strEQ(d,"sethostent")) return -KEY_sethostent; | |
4306 | if (strEQ(d,"setservent")) return -KEY_setservent; | |
79072805 LW |
4307 | break; |
4308 | case 11: | |
a0d0e21e LW |
4309 | if (strEQ(d,"setpriority")) return -KEY_setpriority; |
4310 | if (strEQ(d,"setprotoent")) return -KEY_setprotoent; | |
79072805 LW |
4311 | break; |
4312 | } | |
a687059c LW |
4313 | break; |
4314 | case 'h': | |
79072805 LW |
4315 | switch (len) { |
4316 | case 5: | |
4317 | if (strEQ(d,"shift")) return KEY_shift; | |
4318 | break; | |
4319 | case 6: | |
a0d0e21e LW |
4320 | if (strEQ(d,"shmctl")) return -KEY_shmctl; |
4321 | if (strEQ(d,"shmget")) return -KEY_shmget; | |
79072805 LW |
4322 | break; |
4323 | case 7: | |
a0d0e21e | 4324 | if (strEQ(d,"shmread")) return -KEY_shmread; |
79072805 LW |
4325 | break; |
4326 | case 8: | |
a0d0e21e LW |
4327 | if (strEQ(d,"shmwrite")) return -KEY_shmwrite; |
4328 | if (strEQ(d,"shutdown")) return -KEY_shutdown; | |
79072805 LW |
4329 | break; |
4330 | } | |
a687059c LW |
4331 | break; |
4332 | case 'i': | |
a0d0e21e | 4333 | if (strEQ(d,"sin")) return -KEY_sin; |
a687059c LW |
4334 | break; |
4335 | case 'l': | |
a0d0e21e | 4336 | if (strEQ(d,"sleep")) return -KEY_sleep; |
a687059c LW |
4337 | break; |
4338 | case 'o': | |
79072805 | 4339 | if (strEQ(d,"sort")) return KEY_sort; |
a0d0e21e LW |
4340 | if (strEQ(d,"socket")) return -KEY_socket; |
4341 | if (strEQ(d,"socketpair")) return -KEY_socketpair; | |
a687059c LW |
4342 | break; |
4343 | case 'p': | |
79072805 | 4344 | if (strEQ(d,"split")) return KEY_split; |
a0d0e21e | 4345 | if (strEQ(d,"sprintf")) return -KEY_sprintf; |
79072805 | 4346 | if (strEQ(d,"splice")) return KEY_splice; |
a687059c LW |
4347 | break; |
4348 | case 'q': | |
a0d0e21e | 4349 | if (strEQ(d,"sqrt")) return -KEY_sqrt; |
a687059c LW |
4350 | break; |
4351 | case 'r': | |
a0d0e21e | 4352 | if (strEQ(d,"srand")) return -KEY_srand; |
a687059c LW |
4353 | break; |
4354 | case 't': | |
a0d0e21e | 4355 | if (strEQ(d,"stat")) return -KEY_stat; |
79072805 | 4356 | if (strEQ(d,"study")) return KEY_study; |
a687059c LW |
4357 | break; |
4358 | case 'u': | |
a0d0e21e | 4359 | if (strEQ(d,"substr")) return -KEY_substr; |
79072805 | 4360 | if (strEQ(d,"sub")) return KEY_sub; |
a687059c LW |
4361 | break; |
4362 | case 'y': | |
79072805 LW |
4363 | switch (len) { |
4364 | case 6: | |
a0d0e21e | 4365 | if (strEQ(d,"system")) return -KEY_system; |
79072805 LW |
4366 | break; |
4367 | case 7: | |
a0d0e21e LW |
4368 | if (strEQ(d,"symlink")) return -KEY_symlink; |
4369 | if (strEQ(d,"syscall")) return -KEY_syscall; | |
137443ea | 4370 | if (strEQ(d,"sysopen")) return -KEY_sysopen; |
4371 | if (strEQ(d,"sysread")) return -KEY_sysread; | |
4372 | if (strEQ(d,"sysseek")) return -KEY_sysseek; | |
79072805 LW |
4373 | break; |
4374 | case 8: | |
a0d0e21e | 4375 | if (strEQ(d,"syswrite")) return -KEY_syswrite; |
79072805 | 4376 | break; |
a687059c | 4377 | } |
a687059c LW |
4378 | break; |
4379 | } | |
4380 | break; | |
79072805 LW |
4381 | case 't': |
4382 | switch (len) { | |
4383 | case 2: | |
4384 | if (strEQ(d,"tr")) return KEY_tr; | |
4385 | break; | |
463ee0b2 LW |
4386 | case 3: |
4387 | if (strEQ(d,"tie")) return KEY_tie; | |
4388 | break; | |
79072805 | 4389 | case 4: |
a0d0e21e | 4390 | if (strEQ(d,"tell")) return -KEY_tell; |
c07a80fd | 4391 | if (strEQ(d,"tied")) return KEY_tied; |
a0d0e21e | 4392 | if (strEQ(d,"time")) return -KEY_time; |
79072805 LW |
4393 | break; |
4394 | case 5: | |
a0d0e21e | 4395 | if (strEQ(d,"times")) return -KEY_times; |
79072805 LW |
4396 | break; |
4397 | case 7: | |
a0d0e21e | 4398 | if (strEQ(d,"telldir")) return -KEY_telldir; |
79072805 LW |
4399 | break; |
4400 | case 8: | |
a0d0e21e | 4401 | if (strEQ(d,"truncate")) return -KEY_truncate; |
79072805 | 4402 | break; |
378cc40b | 4403 | } |
a687059c | 4404 | break; |
79072805 LW |
4405 | case 'u': |
4406 | switch (len) { | |
4407 | case 2: | |
a0d0e21e LW |
4408 | if (strEQ(d,"uc")) return -KEY_uc; |
4409 | break; | |
4410 | case 3: | |
4411 | if (strEQ(d,"use")) return KEY_use; | |
79072805 LW |
4412 | break; |
4413 | case 5: | |
4414 | if (strEQ(d,"undef")) return KEY_undef; | |
4415 | if (strEQ(d,"until")) return KEY_until; | |
463ee0b2 | 4416 | if (strEQ(d,"untie")) return KEY_untie; |
a0d0e21e LW |
4417 | if (strEQ(d,"utime")) return -KEY_utime; |
4418 | if (strEQ(d,"umask")) return -KEY_umask; | |
79072805 LW |
4419 | break; |
4420 | case 6: | |
4421 | if (strEQ(d,"unless")) return KEY_unless; | |
a0d0e21e LW |
4422 | if (strEQ(d,"unpack")) return -KEY_unpack; |
4423 | if (strEQ(d,"unlink")) return -KEY_unlink; | |
79072805 LW |
4424 | break; |
4425 | case 7: | |
4426 | if (strEQ(d,"unshift")) return KEY_unshift; | |
a0d0e21e | 4427 | if (strEQ(d,"ucfirst")) return -KEY_ucfirst; |
79072805 | 4428 | break; |
a687059c LW |
4429 | } |
4430 | break; | |
79072805 | 4431 | case 'v': |
a0d0e21e LW |
4432 | if (strEQ(d,"values")) return -KEY_values; |
4433 | if (strEQ(d,"vec")) return -KEY_vec; | |
a687059c | 4434 | break; |
79072805 LW |
4435 | case 'w': |
4436 | switch (len) { | |
4437 | case 4: | |
a0d0e21e LW |
4438 | if (strEQ(d,"warn")) return -KEY_warn; |
4439 | if (strEQ(d,"wait")) return -KEY_wait; | |
79072805 LW |
4440 | break; |
4441 | case 5: | |
4442 | if (strEQ(d,"while")) return KEY_while; | |
a0d0e21e | 4443 | if (strEQ(d,"write")) return -KEY_write; |
79072805 LW |
4444 | break; |
4445 | case 7: | |
a0d0e21e | 4446 | if (strEQ(d,"waitpid")) return -KEY_waitpid; |
79072805 LW |
4447 | break; |
4448 | case 9: | |
a0d0e21e | 4449 | if (strEQ(d,"wantarray")) return -KEY_wantarray; |
79072805 | 4450 | break; |
2f3197b3 | 4451 | } |
a687059c | 4452 | break; |
79072805 | 4453 | case 'x': |
a0d0e21e LW |
4454 | if (len == 1) return -KEY_x; |
4455 | if (strEQ(d,"xor")) return -KEY_xor; | |
a687059c | 4456 | break; |
79072805 LW |
4457 | case 'y': |
4458 | if (len == 1) return KEY_y; | |
4459 | break; | |
4460 | case 'z': | |
a687059c LW |
4461 | break; |
4462 | } | |
79072805 | 4463 | return 0; |
a687059c LW |
4464 | } |
4465 | ||
8990e307 | 4466 | static void |
8ac85365 | 4467 | checkcomma(register char *s, char *name, char *what) |
a687059c | 4468 | { |
2f3197b3 LW |
4469 | char *w; |
4470 | ||
463ee0b2 | 4471 | if (dowarn && *s == ' ' && s[1] == '(') { /* XXX gotta be a better way */ |
a0d0e21e LW |
4472 | int level = 1; |
4473 | for (w = s+2; *w && level; w++) { | |
4474 | if (*w == '(') | |
4475 | ++level; | |
4476 | else if (*w == ')') | |
4477 | --level; | |
4478 | } | |
4479 | if (*w) | |
4480 | for (; *w && isSPACE(*w); w++) ; | |
d1f3fb15 | 4481 | if (!*w || !strchr(";|})]oaiuw!=", *w)) /* an advisory hack only... */ |
2f3197b3 LW |
4482 | warn("%s (...) interpreted as function",name); |
4483 | } | |
4484 | while (s < bufend && isSPACE(*s)) | |
4485 | s++; | |
a687059c LW |
4486 | if (*s == '(') |
4487 | s++; | |
de3bb511 | 4488 | while (s < bufend && isSPACE(*s)) |
a687059c | 4489 | s++; |
79072805 | 4490 | if (isIDFIRST(*s)) { |
2f3197b3 | 4491 | w = s++; |
de3bb511 | 4492 | while (isALNUM(*s)) |
a687059c | 4493 | s++; |
de3bb511 | 4494 | while (s < bufend && isSPACE(*s)) |
a687059c | 4495 | s++; |
e929a76b | 4496 | if (*s == ',') { |
463ee0b2 | 4497 | int kw; |
e929a76b | 4498 | *s = '\0'; |
4633a7c4 | 4499 | kw = keyword(w, s - w) || perl_get_cv(w, FALSE) != 0; |
e929a76b | 4500 | *s = ','; |
463ee0b2 | 4501 | if (kw) |
e929a76b | 4502 | return; |
463ee0b2 LW |
4503 | croak("No comma allowed after %s", what); |
4504 | } | |
4505 | } | |
4506 | } | |
4507 | ||
8990e307 | 4508 | static char * |
8ac85365 | 4509 | scan_word(register char *s, char *dest, STRLEN destlen, int allow_package, STRLEN *slp) |
463ee0b2 LW |
4510 | { |
4511 | register char *d = dest; | |
8903cb82 | 4512 | register char *e = d + destlen - 3; /* two-character token, ending NUL */ |
463ee0b2 | 4513 | for (;;) { |
8903cb82 | 4514 | if (d >= e) |
fc36a67e | 4515 | croak(ident_too_long); |
463ee0b2 LW |
4516 | if (isALNUM(*s)) |
4517 | *d++ = *s++; | |
4518 | else if (*s == '\'' && allow_package && isIDFIRST(s[1])) { | |
4519 | *d++ = ':'; | |
4520 | *d++ = ':'; | |
4521 | s++; | |
4522 | } | |
4523 | else if (*s == ':' && s[1] == ':' && allow_package && isIDFIRST(s[2])) { | |
4524 | *d++ = *s++; | |
4525 | *d++ = *s++; | |
4526 | } | |
4527 | else { | |
4528 | *d = '\0'; | |
4529 | *slp = d - dest; | |
4530 | return s; | |
e929a76b | 4531 | } |
378cc40b LW |
4532 | } |
4533 | } | |
4534 | ||
8990e307 | 4535 | static char * |
8ac85365 | 4536 | scan_ident(register char *s, register char *send, char *dest, STRLEN destlen, I32 ck_uni) |
378cc40b LW |
4537 | { |
4538 | register char *d; | |
8903cb82 | 4539 | register char *e; |
79072805 | 4540 | char *bracket = 0; |
748a9306 | 4541 | char funny = *s++; |
378cc40b | 4542 | |
79072805 LW |
4543 | if (lex_brackets == 0) |
4544 | lex_fakebrack = 0; | |
a0d0e21e LW |
4545 | if (isSPACE(*s)) |
4546 | s = skipspace(s); | |
378cc40b | 4547 | d = dest; |
8903cb82 | 4548 | e = d + destlen - 3; /* two-character token, ending NUL */ |
de3bb511 | 4549 | if (isDIGIT(*s)) { |
8903cb82 | 4550 | while (isDIGIT(*s)) { |
4551 | if (d >= e) | |
fc36a67e | 4552 | croak(ident_too_long); |
378cc40b | 4553 | *d++ = *s++; |
8903cb82 | 4554 | } |
378cc40b LW |
4555 | } |
4556 | else { | |
463ee0b2 | 4557 | for (;;) { |
8903cb82 | 4558 | if (d >= e) |
fc36a67e | 4559 | croak(ident_too_long); |
463ee0b2 LW |
4560 | if (isALNUM(*s)) |
4561 | *d++ = *s++; | |
4562 | else if (*s == '\'' && isIDFIRST(s[1])) { | |
4563 | *d++ = ':'; | |
4564 | *d++ = ':'; | |
4565 | s++; | |
4566 | } | |
a0d0e21e | 4567 | else if (*s == ':' && s[1] == ':') { |
463ee0b2 LW |
4568 | *d++ = *s++; |
4569 | *d++ = *s++; | |
4570 | } | |
4571 | else | |
4572 | break; | |
4573 | } | |
378cc40b LW |
4574 | } |
4575 | *d = '\0'; | |
4576 | d = dest; | |
79072805 LW |
4577 | if (*d) { |
4578 | if (lex_state != LEX_NORMAL) | |
4579 | lex_state = LEX_INTERPENDMAYBE; | |
4580 | return s; | |
378cc40b | 4581 | } |
748a9306 | 4582 | if (*s == '$' && s[1] && |
ff0cee69 | 4583 | (isALNUM(s[1]) || strchr("${", s[1]) || strnEQ(s+1,"::",2)) ) |
5cd24f17 | 4584 | { |
4585 | if (isDIGIT(s[1]) && lex_state == LEX_INTERPNORMAL) | |
4586 | deprecate("\"$$<digit>\" to mean \"${$}<digit>\""); | |
4587 | else | |
4588 | return s; | |
4589 | } | |
79072805 LW |
4590 | if (*s == '{') { |
4591 | bracket = s; | |
4592 | s++; | |
4593 | } | |
4594 | else if (ck_uni) | |
4595 | check_uni(); | |
93a17b20 | 4596 | if (s < send) |
79072805 LW |
4597 | *d = *s++; |
4598 | d[1] = '\0'; | |
748a9306 | 4599 | if (*d == '^' && *s && (isUPPER(*s) || strchr("[\\]^_?", *s))) { |
bbce6d69 | 4600 | *d = toCTRL(*s); |
4601 | s++; | |
de3bb511 | 4602 | } |
79072805 | 4603 | if (bracket) { |
748a9306 | 4604 | if (isSPACE(s[-1])) { |
fa83b5b6 | 4605 | while (s < send) { |
4606 | char ch = *s++; | |
4607 | if (ch != ' ' && ch != '\t') { | |
4608 | *d = ch; | |
4609 | break; | |
4610 | } | |
4611 | } | |
748a9306 | 4612 | } |
ff68c719 | 4613 | if (isIDFIRST(*d)) { |
79072805 | 4614 | d++; |
748a9306 | 4615 | while (isALNUM(*s) || *s == ':') |
79072805 LW |
4616 | *d++ = *s++; |
4617 | *d = '\0'; | |
748a9306 | 4618 | while (s < send && (*s == ' ' || *s == '\t')) s++; |
ff68c719 | 4619 | if ((*s == '[' || (*s == '{' && strNE(dest, "sub")))) { |
748a9306 LW |
4620 | if (dowarn && keyword(dest, d - dest)) { |
4621 | char *brack = *s == '[' ? "[...]" : "{...}"; | |
4622 | warn("Ambiguous use of %c{%s%s} resolved to %c%s%s", | |
4623 | funny, dest, brack, funny, dest, brack); | |
4624 | } | |
4625 | lex_fakebrack = lex_brackets+1; | |
79072805 | 4626 | bracket++; |
a0d0e21e | 4627 | lex_brackstack[lex_brackets++] = XOPERATOR; |
79072805 LW |
4628 | return s; |
4629 | } | |
4630 | } | |
4631 | if (*s == '}') { | |
4632 | s++; | |
4633 | if (lex_state == LEX_INTERPNORMAL && !lex_brackets) | |
4634 | lex_state = LEX_INTERPEND; | |
748a9306 LW |
4635 | if (funny == '#') |
4636 | funny = '@'; | |
84902520 | 4637 | if (dowarn && lex_state == LEX_NORMAL && |
748a9306 LW |
4638 | (keyword(dest, d - dest) || perl_get_cv(dest, FALSE))) |
4639 | warn("Ambiguous use of %c{%s} resolved to %c%s", | |
4640 | funny, dest, funny, dest); | |
79072805 LW |
4641 | } |
4642 | else { | |
4643 | s = bracket; /* let the parser handle it */ | |
93a17b20 | 4644 | *dest = '\0'; |
79072805 LW |
4645 | } |
4646 | } | |
4647 | else if (lex_state == LEX_INTERPNORMAL && !lex_brackets && !intuit_more(s)) | |
4648 | lex_state = LEX_INTERPEND; | |
378cc40b LW |
4649 | return s; |
4650 | } | |
4651 | ||
8ac85365 | 4652 | void pmflag(U16 *pmfl, int ch) |
a0d0e21e | 4653 | { |
bbce6d69 | 4654 | if (ch == 'i') |
a0d0e21e | 4655 | *pmfl |= PMf_FOLD; |
a0d0e21e LW |
4656 | else if (ch == 'g') |
4657 | *pmfl |= PMf_GLOBAL; | |
c90c0ff4 | 4658 | else if (ch == 'c') |
4659 | *pmfl |= PMf_CONTINUE; | |
a0d0e21e LW |
4660 | else if (ch == 'o') |
4661 | *pmfl |= PMf_KEEP; | |
4662 | else if (ch == 'm') | |
4663 | *pmfl |= PMf_MULTILINE; | |
4664 | else if (ch == 's') | |
4665 | *pmfl |= PMf_SINGLELINE; | |
4666 | else if (ch == 'x') | |
4667 | *pmfl |= PMf_EXTENDED; | |
4668 | } | |
378cc40b | 4669 | |
8990e307 | 4670 | static char * |
8ac85365 | 4671 | scan_pat(char *start) |
378cc40b | 4672 | { |
79072805 LW |
4673 | PMOP *pm; |
4674 | char *s; | |
378cc40b | 4675 | |
79072805 LW |
4676 | s = scan_str(start); |
4677 | if (!s) { | |
4678 | if (lex_stuff) | |
8990e307 | 4679 | SvREFCNT_dec(lex_stuff); |
79072805 | 4680 | lex_stuff = Nullsv; |
463ee0b2 | 4681 | croak("Search pattern not terminated"); |
378cc40b | 4682 | } |
bbce6d69 | 4683 | |
79072805 | 4684 | pm = (PMOP*)newPMOP(OP_MATCH, 0); |
a0d0e21e | 4685 | if (multi_open == '?') |
79072805 | 4686 | pm->op_pmflags |= PMf_ONCE; |
c90c0ff4 | 4687 | while (*s && strchr("iogcmsx", *s)) |
a0d0e21e | 4688 | pmflag(&pm->op_pmflags,*s++); |
4633a7c4 | 4689 | pm->op_pmpermflags = pm->op_pmflags; |
bbce6d69 | 4690 | |
79072805 LW |
4691 | lex_op = (OP*)pm; |
4692 | yylval.ival = OP_MATCH; | |
378cc40b LW |
4693 | return s; |
4694 | } | |
4695 | ||
8990e307 | 4696 | static char * |
8ac85365 | 4697 | scan_subst(char *start) |
79072805 | 4698 | { |
a0d0e21e | 4699 | register char *s; |
79072805 | 4700 | register PMOP *pm; |
4fdae800 | 4701 | I32 first_start; |
79072805 LW |
4702 | I32 es = 0; |
4703 | ||
79072805 LW |
4704 | yylval.ival = OP_NULL; |
4705 | ||
a0d0e21e | 4706 | s = scan_str(start); |
79072805 LW |
4707 | |
4708 | if (!s) { | |
4709 | if (lex_stuff) | |
8990e307 | 4710 | SvREFCNT_dec(lex_stuff); |
79072805 | 4711 | lex_stuff = Nullsv; |
463ee0b2 | 4712 | croak("Substitution pattern not terminated"); |
a687059c | 4713 | } |
79072805 | 4714 | |
a0d0e21e | 4715 | if (s[-1] == multi_open) |
79072805 LW |
4716 | s--; |
4717 | ||
4fdae800 | 4718 | first_start = multi_start; |
79072805 LW |
4719 | s = scan_str(s); |
4720 | if (!s) { | |
4721 | if (lex_stuff) | |
8990e307 | 4722 | SvREFCNT_dec(lex_stuff); |
79072805 LW |
4723 | lex_stuff = Nullsv; |
4724 | if (lex_repl) | |
8990e307 | 4725 | SvREFCNT_dec(lex_repl); |
79072805 | 4726 | lex_repl = Nullsv; |
463ee0b2 | 4727 | croak("Substitution replacement not terminated"); |
a687059c | 4728 | } |
4fdae800 | 4729 | multi_start = first_start; /* so whole substitution is taken together */ |
2f3197b3 | 4730 | |
79072805 | 4731 | pm = (PMOP*)newPMOP(OP_SUBST, 0); |
c90c0ff4 | 4732 | while (*s && strchr("iogcmsex", *s)) { |
a687059c LW |
4733 | if (*s == 'e') { |
4734 | s++; | |
2f3197b3 | 4735 | es++; |
a687059c | 4736 | } |
a0d0e21e LW |
4737 | else |
4738 | pmflag(&pm->op_pmflags,*s++); | |
378cc40b | 4739 | } |
79072805 LW |
4740 | |
4741 | if (es) { | |
4742 | SV *repl; | |
4743 | pm->op_pmflags |= PMf_EVAL; | |
463ee0b2 LW |
4744 | repl = newSVpv("",0); |
4745 | while (es-- > 0) | |
a0d0e21e | 4746 | sv_catpv(repl, es ? "eval " : "do "); |
79072805 LW |
4747 | sv_catpvn(repl, "{ ", 2); |
4748 | sv_catsv(repl, lex_repl); | |
4749 | sv_catpvn(repl, " };", 2); | |
4750 | SvCOMPILED_on(repl); | |
8990e307 | 4751 | SvREFCNT_dec(lex_repl); |
79072805 | 4752 | lex_repl = repl; |
378cc40b | 4753 | } |
79072805 | 4754 | |
4633a7c4 | 4755 | pm->op_pmpermflags = pm->op_pmflags; |
79072805 LW |
4756 | lex_op = (OP*)pm; |
4757 | yylval.ival = OP_SUBST; | |
378cc40b LW |
4758 | return s; |
4759 | } | |
4760 | ||
8990e307 | 4761 | static char * |
8ac85365 | 4762 | scan_trans(char *start) |
378cc40b | 4763 | { |
a0d0e21e | 4764 | register char* s; |
11343788 | 4765 | OP *o; |
79072805 LW |
4766 | short *tbl; |
4767 | I32 squash; | |
8ac85365 | 4768 | I32 Delete; |
79072805 LW |
4769 | I32 complement; |
4770 | ||
4771 | yylval.ival = OP_NULL; | |
4772 | ||
a0d0e21e | 4773 | s = scan_str(start); |
79072805 LW |
4774 | if (!s) { |
4775 | if (lex_stuff) | |
8990e307 | 4776 | SvREFCNT_dec(lex_stuff); |
79072805 | 4777 | lex_stuff = Nullsv; |
463ee0b2 | 4778 | croak("Translation pattern not terminated"); |
a687059c | 4779 | } |
a0d0e21e | 4780 | if (s[-1] == multi_open) |
2f3197b3 LW |
4781 | s--; |
4782 | ||
93a17b20 | 4783 | s = scan_str(s); |
79072805 LW |
4784 | if (!s) { |
4785 | if (lex_stuff) | |
8990e307 | 4786 | SvREFCNT_dec(lex_stuff); |
79072805 LW |
4787 | lex_stuff = Nullsv; |
4788 | if (lex_repl) | |
8990e307 | 4789 | SvREFCNT_dec(lex_repl); |
79072805 | 4790 | lex_repl = Nullsv; |
463ee0b2 | 4791 | croak("Translation replacement not terminated"); |
a687059c | 4792 | } |
79072805 LW |
4793 | |
4794 | New(803,tbl,256,short); | |
11343788 | 4795 | o = newPVOP(OP_TRANS, 0, (char*)tbl); |
2f3197b3 | 4796 | |
8ac85365 | 4797 | complement = Delete = squash = 0; |
395c3793 LW |
4798 | while (*s == 'c' || *s == 'd' || *s == 's') { |
4799 | if (*s == 'c') | |
79072805 | 4800 | complement = OPpTRANS_COMPLEMENT; |
395c3793 | 4801 | else if (*s == 'd') |
8ac85365 | 4802 | Delete = OPpTRANS_DELETE; |
395c3793 | 4803 | else |
79072805 | 4804 | squash = OPpTRANS_SQUASH; |
395c3793 LW |
4805 | s++; |
4806 | } | |
8ac85365 | 4807 | o->op_private = Delete|squash|complement; |
79072805 | 4808 | |
11343788 | 4809 | lex_op = o; |
79072805 LW |
4810 | yylval.ival = OP_TRANS; |
4811 | return s; | |
4812 | } | |
4813 | ||
8990e307 | 4814 | static char * |
8ac85365 | 4815 | scan_heredoc(register char *s) |
79072805 | 4816 | { |
11343788 | 4817 | dTHR; |
79072805 LW |
4818 | SV *herewas; |
4819 | I32 op_type = OP_SCALAR; | |
4820 | I32 len; | |
4821 | SV *tmpstr; | |
4822 | char term; | |
4823 | register char *d; | |
fc36a67e | 4824 | register char *e; |
4633a7c4 | 4825 | char *peek; |
fd2d0953 | 4826 | int outer = (rsfp && !lex_inwhat); |
79072805 LW |
4827 | |
4828 | s += 2; | |
4829 | d = tokenbuf; | |
fc36a67e | 4830 | e = tokenbuf + sizeof tokenbuf - 1; |
fd2d0953 | 4831 | if (!outer) |
79072805 | 4832 | *d++ = '\n'; |
4633a7c4 LW |
4833 | for (peek = s; *peek == ' ' || *peek == '\t'; peek++) ; |
4834 | if (*peek && strchr("`'\"",*peek)) { | |
4835 | s = peek; | |
79072805 | 4836 | term = *s++; |
fc36a67e | 4837 | s = delimcpy(d, e, s, bufend, term, &len); |
4838 | d += len; | |
79072805 LW |
4839 | if (s < bufend) |
4840 | s++; | |
79072805 LW |
4841 | } |
4842 | else { | |
4843 | if (*s == '\\') | |
4844 | s++, term = '\''; | |
4845 | else | |
4846 | term = '"'; | |
4633a7c4 LW |
4847 | if (!isALNUM(*s)) |
4848 | deprecate("bare << to mean <<\"\""); | |
fc36a67e | 4849 | for (; isALNUM(*s); s++) { |
4850 | if (d < e) | |
4851 | *d++ = *s; | |
4852 | } | |
4853 | } | |
4854 | if (d >= tokenbuf + sizeof tokenbuf - 1) | |
4855 | croak("Delimiter for here document is too long"); | |
79072805 LW |
4856 | *d++ = '\n'; |
4857 | *d = '\0'; | |
4858 | len = d - tokenbuf; | |
4859 | d = "\n"; | |
fd2d0953 | 4860 | if (outer || !(d=ninstr(s,bufend,d,d+1))) |
79072805 LW |
4861 | herewas = newSVpv(s,bufend-s); |
4862 | else | |
4863 | s--, herewas = newSVpv(s,d-s); | |
4864 | s += SvCUR(herewas); | |
748a9306 LW |
4865 | |
4866 | tmpstr = NEWSV(87,80); | |
4867 | sv_upgrade(tmpstr, SVt_PVIV); | |
4868 | if (term == '\'') { | |
79072805 | 4869 | op_type = OP_CONST; |
748a9306 LW |
4870 | SvIVX(tmpstr) = -1; |
4871 | } | |
4872 | else if (term == '`') { | |
79072805 | 4873 | op_type = OP_BACKTICK; |
748a9306 LW |
4874 | SvIVX(tmpstr) = '\\'; |
4875 | } | |
79072805 LW |
4876 | |
4877 | CLINE; | |
4878 | multi_start = curcop->cop_line; | |
4879 | multi_open = multi_close = '<'; | |
79072805 | 4880 | term = *tokenbuf; |
fd2d0953 | 4881 | if (!outer) { |
79072805 LW |
4882 | d = s; |
4883 | while (s < bufend && | |
36477c24 | 4884 | (*s != term || memNE(s,tokenbuf,len)) ) { |
79072805 LW |
4885 | if (*s++ == '\n') |
4886 | curcop->cop_line++; | |
4887 | } | |
4888 | if (s >= bufend) { | |
4889 | curcop->cop_line = multi_start; | |
8990e307 | 4890 | missingterm(tokenbuf); |
79072805 LW |
4891 | } |
4892 | sv_setpvn(tmpstr,d+1,s-d); | |
4893 | s += len - 1; | |
49d8d3a1 MB |
4894 | curcop->cop_line++; /* the preceding stmt passes a newline */ |
4895 | ||
79072805 LW |
4896 | sv_catpvn(herewas,s,bufend-s); |
4897 | sv_setsv(linestr,herewas); | |
fd049845 | 4898 | oldoldbufptr = oldbufptr = bufptr = s = linestart = SvPVX(linestr); |
463ee0b2 | 4899 | bufend = SvPVX(linestr) + SvCUR(linestr); |
79072805 LW |
4900 | } |
4901 | else | |
4902 | sv_setpvn(tmpstr,"",0); /* avoid "uninitialized" warning */ | |
4903 | while (s >= bufend) { /* multiple line string? */ | |
fd2d0953 | 4904 | if (!outer || |
fd049845 | 4905 | !(oldoldbufptr = oldbufptr = s = linestart = filter_gets(linestr, rsfp, 0))) { |
79072805 | 4906 | curcop->cop_line = multi_start; |
8990e307 | 4907 | missingterm(tokenbuf); |
79072805 LW |
4908 | } |
4909 | curcop->cop_line++; | |
84902520 | 4910 | if (PERLDB_LINE && curstash != debstash) { |
79072805 LW |
4911 | SV *sv = NEWSV(88,0); |
4912 | ||
93a17b20 | 4913 | sv_upgrade(sv, SVt_PVMG); |
79072805 LW |
4914 | sv_setsv(sv,linestr); |
4915 | av_store(GvAV(curcop->cop_filegv), | |
4916 | (I32)curcop->cop_line,sv); | |
4917 | } | |
463ee0b2 | 4918 | bufend = SvPVX(linestr) + SvCUR(linestr); |
36477c24 | 4919 | if (*s == term && memEQ(s,tokenbuf,len)) { |
79072805 LW |
4920 | s = bufend - 1; |
4921 | *s = ' '; | |
4922 | sv_catsv(linestr,herewas); | |
463ee0b2 | 4923 | bufend = SvPVX(linestr) + SvCUR(linestr); |
79072805 LW |
4924 | } |
4925 | else { | |
4926 | s = bufend; | |
4927 | sv_catsv(tmpstr,linestr); | |
395c3793 LW |
4928 | } |
4929 | } | |
79072805 LW |
4930 | multi_end = curcop->cop_line; |
4931 | s++; | |
4932 | if (SvCUR(tmpstr) + 5 < SvLEN(tmpstr)) { | |
4933 | SvLEN_set(tmpstr, SvCUR(tmpstr) + 1); | |
463ee0b2 | 4934 | Renew(SvPVX(tmpstr), SvLEN(tmpstr), char); |
79072805 | 4935 | } |
8990e307 | 4936 | SvREFCNT_dec(herewas); |
79072805 LW |
4937 | lex_stuff = tmpstr; |
4938 | yylval.ival = op_type; | |
4939 | return s; | |
4940 | } | |
4941 | ||
8990e307 | 4942 | static char * |
8ac85365 | 4943 | scan_inputsymbol(char *start) |
79072805 LW |
4944 | { |
4945 | register char *s = start; | |
4946 | register char *d; | |
fc36a67e | 4947 | register char *e; |
79072805 LW |
4948 | I32 len; |
4949 | ||
4950 | d = tokenbuf; | |
fc36a67e | 4951 | e = tokenbuf + sizeof tokenbuf; |
4952 | s = delimcpy(d, e, s + 1, bufend, '>', &len); | |
4953 | if (len >= sizeof tokenbuf) | |
4954 | croak("Excessively long <> operator"); | |
4955 | if (s >= bufend) | |
463ee0b2 | 4956 | croak("Unterminated <> operator"); |
fc36a67e | 4957 | s++; |
4633a7c4 | 4958 | if (*d == '$' && d[1]) d++; |
a0d0e21e | 4959 | while (*d && (isALNUM(*d) || *d == '\'' || *d == ':')) |
79072805 LW |
4960 | d++; |
4961 | if (d - tokenbuf != len) { | |
4962 | yylval.ival = OP_GLOB; | |
4963 | set_csh(); | |
4964 | s = scan_str(start); | |
4965 | if (!s) | |
463ee0b2 | 4966 | croak("Glob not terminated"); |
79072805 LW |
4967 | return s; |
4968 | } | |
395c3793 | 4969 | else { |
79072805 LW |
4970 | d = tokenbuf; |
4971 | if (!len) | |
4972 | (void)strcpy(d,"ARGV"); | |
4973 | if (*d == '$') { | |
a0d0e21e | 4974 | I32 tmp; |
11343788 MB |
4975 | if ((tmp = pad_findmy(d)) != NOT_IN_PAD) { |
4976 | OP *o = newOP(OP_PADSV, 0); | |
4977 | o->op_targ = tmp; | |
4978 | lex_op = (OP*)newUNOP(OP_READLINE, 0, newUNOP(OP_RV2GV, 0, o)); | |
a0d0e21e LW |
4979 | } |
4980 | else { | |
4981 | GV *gv = gv_fetchpv(d+1,TRUE, SVt_PV); | |
4982 | lex_op = (OP*)newUNOP(OP_READLINE, 0, | |
4983 | newUNOP(OP_RV2GV, 0, | |
4984 | newUNOP(OP_RV2SV, 0, | |
4985 | newGVOP(OP_GV, 0, gv)))); | |
4986 | } | |
79072805 LW |
4987 | yylval.ival = OP_NULL; |
4988 | } | |
4989 | else { | |
85e6fe83 | 4990 | GV *gv = gv_fetchpv(d,TRUE, SVt_PVIO); |
79072805 LW |
4991 | lex_op = (OP*)newUNOP(OP_READLINE, 0, newGVOP(OP_GV, 0, gv)); |
4992 | yylval.ival = OP_NULL; | |
4993 | } | |
4994 | } | |
4995 | return s; | |
4996 | } | |
4997 | ||
8990e307 | 4998 | static char * |
8ac85365 | 4999 | scan_str(char *start) |
79072805 | 5000 | { |
11343788 | 5001 | dTHR; |
93a17b20 | 5002 | SV *sv; |
79072805 LW |
5003 | char *tmps; |
5004 | register char *s = start; | |
a0d0e21e | 5005 | register char term; |
93a17b20 LW |
5006 | register char *to; |
5007 | I32 brackets = 1; | |
79072805 | 5008 | |
fb73857a | 5009 | if (isSPACE(*s)) |
5010 | s = skipspace(s); | |
79072805 | 5011 | CLINE; |
a0d0e21e | 5012 | term = *s; |
79072805 LW |
5013 | multi_start = curcop->cop_line; |
5014 | multi_open = term; | |
93a17b20 | 5015 | if (term && (tmps = strchr("([{< )]}> )]}>",term))) |
79072805 LW |
5016 | term = tmps[5]; |
5017 | multi_close = term; | |
5018 | ||
93a17b20 | 5019 | sv = NEWSV(87,80); |
ed6116ce LW |
5020 | sv_upgrade(sv, SVt_PVIV); |
5021 | SvIVX(sv) = term; | |
a0d0e21e | 5022 | (void)SvPOK_only(sv); /* validate pointer */ |
93a17b20 LW |
5023 | s++; |
5024 | for (;;) { | |
5025 | SvGROW(sv, SvCUR(sv) + (bufend - s) + 1); | |
463ee0b2 | 5026 | to = SvPVX(sv)+SvCUR(sv); |
93a17b20 LW |
5027 | if (multi_open == multi_close) { |
5028 | for (; s < bufend; s++,to++) { | |
463ee0b2 LW |
5029 | if (*s == '\n' && !rsfp) |
5030 | curcop->cop_line++; | |
a0d0e21e LW |
5031 | if (*s == '\\' && s+1 < bufend && term != '\\') { |
5032 | if (s[1] == term) | |
5033 | s++; | |
5034 | else | |
5035 | *to++ = *s++; | |
5036 | } | |
93a17b20 LW |
5037 | else if (*s == term) |
5038 | break; | |
5039 | *to = *s; | |
5040 | } | |
5041 | } | |
5042 | else { | |
5043 | for (; s < bufend; s++,to++) { | |
463ee0b2 LW |
5044 | if (*s == '\n' && !rsfp) |
5045 | curcop->cop_line++; | |
6d07e5e9 GS |
5046 | if (*s == '\\' && s+1 < bufend) { |
5047 | if ((s[1] == multi_open) || (s[1] == multi_close)) | |
a0d0e21e LW |
5048 | s++; |
5049 | else | |
5050 | *to++ = *s++; | |
5051 | } | |
6d07e5e9 | 5052 | else if (*s == multi_close && --brackets <= 0) |
93a17b20 LW |
5053 | break; |
5054 | else if (*s == multi_open) | |
5055 | brackets++; | |
5056 | *to = *s; | |
5057 | } | |
5058 | } | |
5059 | *to = '\0'; | |
463ee0b2 | 5060 | SvCUR_set(sv, to - SvPVX(sv)); |
93a17b20 LW |
5061 | |
5062 | if (s < bufend) break; /* string ends on this line? */ | |
79072805 | 5063 | |
79072805 | 5064 | if (!rsfp || |
fd049845 | 5065 | !(oldoldbufptr = oldbufptr = s = linestart = filter_gets(linestr, rsfp, 0))) { |
c07a80fd | 5066 | sv_free(sv); |
79072805 LW |
5067 | curcop->cop_line = multi_start; |
5068 | return Nullch; | |
5069 | } | |
5070 | curcop->cop_line++; | |
84902520 | 5071 | if (PERLDB_LINE && curstash != debstash) { |
79072805 LW |
5072 | SV *sv = NEWSV(88,0); |
5073 | ||
93a17b20 | 5074 | sv_upgrade(sv, SVt_PVMG); |
79072805 LW |
5075 | sv_setsv(sv,linestr); |
5076 | av_store(GvAV(curcop->cop_filegv), | |
5077 | (I32)curcop->cop_line, sv); | |
395c3793 | 5078 | } |
463ee0b2 | 5079 | bufend = SvPVX(linestr) + SvCUR(linestr); |
378cc40b | 5080 | } |
79072805 LW |
5081 | multi_end = curcop->cop_line; |
5082 | s++; | |
93a17b20 LW |
5083 | if (SvCUR(sv) + 5 < SvLEN(sv)) { |
5084 | SvLEN_set(sv, SvCUR(sv) + 1); | |
463ee0b2 | 5085 | Renew(SvPVX(sv), SvLEN(sv), char); |
79072805 LW |
5086 | } |
5087 | if (lex_stuff) | |
93a17b20 | 5088 | lex_repl = sv; |
79072805 | 5089 | else |
93a17b20 | 5090 | lex_stuff = sv; |
378cc40b LW |
5091 | return s; |
5092 | } | |
5093 | ||
5094 | char * | |
8ac85365 | 5095 | scan_num(char *start) |
378cc40b | 5096 | { |
2f3197b3 | 5097 | register char *s = start; |
378cc40b | 5098 | register char *d; |
fc36a67e | 5099 | register char *e; |
1e422769 | 5100 | I32 tryiv; |
79072805 LW |
5101 | double value; |
5102 | SV *sv; | |
5103 | I32 floatit; | |
93a17b20 | 5104 | char *lastub = 0; |
fc36a67e | 5105 | static char number_too_long[] = "Number too long"; |
378cc40b LW |
5106 | |
5107 | switch (*s) { | |
79072805 | 5108 | default: |
463ee0b2 | 5109 | croak("panic: scan_num"); |
378cc40b LW |
5110 | case '0': |
5111 | { | |
55497cff | 5112 | UV u; |
79072805 | 5113 | I32 shift; |
55497cff | 5114 | bool overflowed = FALSE; |
378cc40b | 5115 | |
378cc40b LW |
5116 | if (s[1] == 'x') { |
5117 | shift = 4; | |
5118 | s += 2; | |
5119 | } | |
5120 | else if (s[1] == '.') | |
5121 | goto decimal; | |
5122 | else | |
5123 | shift = 3; | |
55497cff | 5124 | u = 0; |
378cc40b | 5125 | for (;;) { |
55497cff | 5126 | UV n, b; |
5127 | ||
378cc40b LW |
5128 | switch (*s) { |
5129 | default: | |
5130 | goto out; | |
de3bb511 LW |
5131 | case '_': |
5132 | s++; | |
5133 | break; | |
378cc40b LW |
5134 | case '8': case '9': |
5135 | if (shift != 4) | |
a687059c | 5136 | yyerror("Illegal octal digit"); |
378cc40b LW |
5137 | /* FALL THROUGH */ |
5138 | case '0': case '1': case '2': case '3': case '4': | |
5139 | case '5': case '6': case '7': | |
55497cff | 5140 | b = *s++ & 15; |
5141 | goto digit; | |
378cc40b LW |
5142 | case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': |
5143 | case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': | |
5144 | if (shift != 4) | |
5145 | goto out; | |
55497cff | 5146 | b = (*s++ & 7) + 9; |
5147 | digit: | |
5148 | n = u << shift; | |
5149 | if (!overflowed && (n >> shift) != u) { | |
5150 | warn("Integer overflow in %s number", | |
5151 | (shift == 4) ? "hex" : "octal"); | |
5152 | overflowed = TRUE; | |
5153 | } | |
5154 | u = n | b; | |
378cc40b LW |
5155 | break; |
5156 | } | |
5157 | } | |
5158 | out: | |
79072805 | 5159 | sv = NEWSV(92,0); |
55497cff | 5160 | sv_setuv(sv, u); |
378cc40b LW |
5161 | } |
5162 | break; | |
5163 | case '1': case '2': case '3': case '4': case '5': | |
5164 | case '6': case '7': case '8': case '9': case '.': | |
5165 | decimal: | |
378cc40b | 5166 | d = tokenbuf; |
fc36a67e | 5167 | e = tokenbuf + sizeof tokenbuf - 6; /* room for various punctuation */ |
79072805 | 5168 | floatit = FALSE; |
de3bb511 | 5169 | while (isDIGIT(*s) || *s == '_') { |
93a17b20 LW |
5170 | if (*s == '_') { |
5171 | if (dowarn && lastub && s - lastub != 3) | |
8990e307 | 5172 | warn("Misplaced _ in number"); |
93a17b20 LW |
5173 | lastub = ++s; |
5174 | } | |
fc36a67e | 5175 | else { |
5176 | if (d >= e) | |
5177 | croak(number_too_long); | |
378cc40b | 5178 | *d++ = *s++; |
fc36a67e | 5179 | } |
378cc40b | 5180 | } |
93a17b20 | 5181 | if (dowarn && lastub && s - lastub != 3) |
8990e307 | 5182 | warn("Misplaced _ in number"); |
2f3197b3 | 5183 | if (*s == '.' && s[1] != '.') { |
79072805 | 5184 | floatit = TRUE; |
378cc40b | 5185 | *d++ = *s++; |
fc36a67e | 5186 | for (; isDIGIT(*s) || *s == '_'; s++) { |
5187 | if (d >= e) | |
5188 | croak(number_too_long); | |
5189 | if (*s != '_') | |
5190 | *d++ = *s; | |
378cc40b LW |
5191 | } |
5192 | } | |
93a17b20 | 5193 | if (*s && strchr("eE",*s) && strchr("+-0123456789",s[1])) { |
79072805 LW |
5194 | floatit = TRUE; |
5195 | s++; | |
5196 | *d++ = 'e'; /* At least some Mach atof()s don't grok 'E' */ | |
378cc40b LW |
5197 | if (*s == '+' || *s == '-') |
5198 | *d++ = *s++; | |
fc36a67e | 5199 | while (isDIGIT(*s)) { |
5200 | if (d >= e) | |
5201 | croak(number_too_long); | |
378cc40b | 5202 | *d++ = *s++; |
fc36a67e | 5203 | } |
378cc40b LW |
5204 | } |
5205 | *d = '\0'; | |
79072805 | 5206 | sv = NEWSV(92,0); |
36477c24 | 5207 | SET_NUMERIC_STANDARD(); |
79072805 | 5208 | value = atof(tokenbuf); |
1e422769 | 5209 | tryiv = I_V(value); |
5210 | if (!floatit && (double)tryiv == value) | |
5211 | sv_setiv(sv, tryiv); | |
2f3197b3 | 5212 | else |
1e422769 | 5213 | sv_setnv(sv, value); |
378cc40b | 5214 | break; |
79072805 | 5215 | } |
a687059c | 5216 | |
79072805 | 5217 | yylval.opval = newSVOP(OP_CONST, 0, sv); |
a687059c | 5218 | |
378cc40b LW |
5219 | return s; |
5220 | } | |
5221 | ||
8990e307 | 5222 | static char * |
8ac85365 | 5223 | scan_formline(register char *s) |
378cc40b | 5224 | { |
11343788 | 5225 | dTHR; |
79072805 | 5226 | register char *eol; |
378cc40b | 5227 | register char *t; |
a0d0e21e | 5228 | SV *stuff = newSVpv("",0); |
79072805 | 5229 | bool needargs = FALSE; |
378cc40b | 5230 | |
79072805 | 5231 | while (!needargs) { |
85e6fe83 | 5232 | if (*s == '.' || *s == '}') { |
79072805 LW |
5233 | /*SUPPRESS 530*/ |
5234 | for (t = s+1; *t == ' ' || *t == '\t'; t++) ; | |
5235 | if (*t == '\n') | |
5236 | break; | |
5237 | } | |
0f85fab0 | 5238 | if (in_eval && !rsfp) { |
93a17b20 | 5239 | eol = strchr(s,'\n'); |
0f85fab0 LW |
5240 | if (!eol++) |
5241 | eol = bufend; | |
5242 | } | |
5243 | else | |
463ee0b2 | 5244 | eol = bufend = SvPVX(linestr) + SvCUR(linestr); |
79072805 | 5245 | if (*s != '#') { |
a0d0e21e LW |
5246 | for (t = s; t < eol; t++) { |
5247 | if (*t == '~' && t[1] == '~' && SvCUR(stuff)) { | |
5248 | needargs = FALSE; | |
5249 | goto enough; /* ~~ must be first line in formline */ | |
378cc40b | 5250 | } |
a0d0e21e LW |
5251 | if (*t == '@' || *t == '^') |
5252 | needargs = TRUE; | |
378cc40b | 5253 | } |
a0d0e21e | 5254 | sv_catpvn(stuff, s, eol-s); |
79072805 LW |
5255 | } |
5256 | s = eol; | |
5257 | if (rsfp) { | |
fd049845 | 5258 | s = filter_gets(linestr, rsfp, 0); |
5259 | oldoldbufptr = oldbufptr = bufptr = linestart = SvPVX(linestr); | |
a0d0e21e | 5260 | bufend = bufptr + SvCUR(linestr); |
79072805 LW |
5261 | if (!s) { |
5262 | s = bufptr; | |
5263 | yyerror("Format not terminated"); | |
378cc40b LW |
5264 | break; |
5265 | } | |
378cc40b | 5266 | } |
463ee0b2 | 5267 | incline(s); |
79072805 | 5268 | } |
a0d0e21e LW |
5269 | enough: |
5270 | if (SvCUR(stuff)) { | |
463ee0b2 | 5271 | expect = XTERM; |
79072805 | 5272 | if (needargs) { |
a0d0e21e | 5273 | lex_state = LEX_NORMAL; |
79072805 LW |
5274 | nextval[nexttoke].ival = 0; |
5275 | force_next(','); | |
5276 | } | |
a0d0e21e LW |
5277 | else |
5278 | lex_state = LEX_FORMLINE; | |
79072805 LW |
5279 | nextval[nexttoke].opval = (OP*)newSVOP(OP_CONST, 0, stuff); |
5280 | force_next(THING); | |
5281 | nextval[nexttoke].ival = OP_FORMLINE; | |
5282 | force_next(LSTOP); | |
378cc40b | 5283 | } |
79072805 | 5284 | else { |
8990e307 | 5285 | SvREFCNT_dec(stuff); |
85e6fe83 | 5286 | lex_formbrack = 0; |
79072805 LW |
5287 | bufptr = s; |
5288 | } | |
5289 | return s; | |
378cc40b | 5290 | } |
a687059c | 5291 | |
2f3197b3 | 5292 | static void |
8ac85365 | 5293 | set_csh(void) |
a687059c | 5294 | { |
ae986130 LW |
5295 | #ifdef CSH |
5296 | if (!cshlen) | |
5297 | cshlen = strlen(cshname); | |
5298 | #endif | |
a687059c | 5299 | } |
463ee0b2 | 5300 | |
ba6d6ac9 | 5301 | I32 |
8ac85365 | 5302 | start_subparse(I32 is_format, U32 flags) |
8990e307 | 5303 | { |
11343788 | 5304 | dTHR; |
ba6d6ac9 | 5305 | I32 oldsavestack_ix = savestack_ix; |
748a9306 LW |
5306 | CV* outsidecv = compcv; |
5307 | AV* comppadlist; | |
8990e307 | 5308 | |
e9a444f0 LW |
5309 | if (compcv) { |
5310 | assert(SvTYPE(compcv) == SVt_PVCV); | |
5311 | } | |
8990e307 LW |
5312 | save_I32(&subline); |
5313 | save_item(subname); | |
55497cff | 5314 | SAVEI32(padix); |
8990e307 LW |
5315 | SAVESPTR(curpad); |
5316 | SAVESPTR(comppad); | |
5317 | SAVESPTR(comppad_name); | |
748a9306 | 5318 | SAVESPTR(compcv); |
55497cff | 5319 | SAVEI32(comppad_name_fill); |
5320 | SAVEI32(min_intro_pending); | |
5321 | SAVEI32(max_intro_pending); | |
5322 | SAVEI32(pad_reset_pending); | |
748a9306 LW |
5323 | |
5324 | compcv = (CV*)NEWSV(1104,0); | |
774d564b | 5325 | sv_upgrade((SV *)compcv, is_format ? SVt_PVFM : SVt_PVCV); |
fa83b5b6 | 5326 | CvFLAGS(compcv) |= flags; |
748a9306 | 5327 | |
8990e307 | 5328 | comppad = newAV(); |
6d4ff0d2 MB |
5329 | av_push(comppad, Nullsv); |
5330 | curpad = AvARRAY(comppad); | |
8990e307 LW |
5331 | comppad_name = newAV(); |
5332 | comppad_name_fill = 0; | |
5333 | min_intro_pending = 0; | |
8990e307 | 5334 | padix = 0; |
8990e307 | 5335 | subline = curcop->cop_line; |
6d4ff0d2 MB |
5336 | #ifdef USE_THREADS |
5337 | av_store(comppad_name, 0, newSVpv("@_", 2)); | |
5338 | curpad[0] = (SV*)newAV(); | |
5339 | SvPADMY_on(curpad[0]); /* XXX Needed? */ | |
5340 | CvOWNER(compcv) = 0; | |
12ca11f6 | 5341 | New(666, CvMUTEXP(compcv), 1, perl_mutex); |
6d4ff0d2 | 5342 | MUTEX_INIT(CvMUTEXP(compcv)); |
6d4ff0d2 | 5343 | #endif /* USE_THREADS */ |
748a9306 LW |
5344 | |
5345 | comppadlist = newAV(); | |
5346 | AvREAL_off(comppadlist); | |
8e07c86e AD |
5347 | av_store(comppadlist, 0, (SV*)comppad_name); |
5348 | av_store(comppadlist, 1, (SV*)comppad); | |
748a9306 LW |
5349 | |
5350 | CvPADLIST(compcv) = comppadlist; | |
199100c8 | 5351 | CvOUTSIDE(compcv) = (CV*)SvREFCNT_inc(outsidecv); |
11343788 MB |
5352 | #ifdef USE_THREADS |
5353 | CvOWNER(compcv) = 0; | |
12ca11f6 | 5354 | New(666, CvMUTEXP(compcv), 1, perl_mutex); |
11343788 | 5355 | MUTEX_INIT(CvMUTEXP(compcv)); |
11343788 | 5356 | #endif /* USE_THREADS */ |
748a9306 | 5357 | |
8990e307 LW |
5358 | return oldsavestack_ix; |
5359 | } | |
5360 | ||
5361 | int | |
8ac85365 | 5362 | yywarn(char *s) |
8990e307 | 5363 | { |
11343788 | 5364 | dTHR; |
8990e307 | 5365 | --error_count; |
748a9306 LW |
5366 | in_eval |= 2; |
5367 | yyerror(s); | |
5368 | in_eval &= ~2; | |
5369 | return 0; | |
8990e307 LW |
5370 | } |
5371 | ||
5372 | int | |
8ac85365 | 5373 | yyerror(char *s) |
463ee0b2 | 5374 | { |
11343788 | 5375 | dTHR; |
68dc0745 | 5376 | char *where = NULL; |
5377 | char *context = NULL; | |
5378 | int contlen = -1; | |
46fc3d4c | 5379 | SV *msg; |
463ee0b2 | 5380 | |
54310121 | 5381 | if (!yychar || (yychar == ';' && !rsfp)) |
5382 | where = "at EOF"; | |
5383 | else if (bufptr > oldoldbufptr && bufptr - oldoldbufptr < 200 && | |
463ee0b2 LW |
5384 | oldoldbufptr != oldbufptr && oldbufptr != bufptr) { |
5385 | while (isSPACE(*oldoldbufptr)) | |
5386 | oldoldbufptr++; | |
68dc0745 | 5387 | context = oldoldbufptr; |
5388 | contlen = bufptr - oldoldbufptr; | |
463ee0b2 LW |
5389 | } |
5390 | else if (bufptr > oldbufptr && bufptr - oldbufptr < 200 && | |
5391 | oldbufptr != bufptr) { | |
5392 | while (isSPACE(*oldbufptr)) | |
5393 | oldbufptr++; | |
68dc0745 | 5394 | context = oldbufptr; |
5395 | contlen = bufptr - oldbufptr; | |
463ee0b2 LW |
5396 | } |
5397 | else if (yychar > 255) | |
68dc0745 | 5398 | where = "next token ???"; |
463ee0b2 LW |
5399 | else if ((yychar & 127) == 127) { |
5400 | if (lex_state == LEX_NORMAL || | |
5401 | (lex_state == LEX_KNOWNEXT && lex_defer == LEX_NORMAL)) | |
68dc0745 | 5402 | where = "at end of line"; |
4633a7c4 | 5403 | else if (lex_inpat) |
68dc0745 | 5404 | where = "within pattern"; |
463ee0b2 | 5405 | else |
68dc0745 | 5406 | where = "within string"; |
463ee0b2 | 5407 | } |
46fc3d4c | 5408 | else { |
5409 | SV *where_sv = sv_2mortal(newSVpv("next char ", 0)); | |
5410 | if (yychar < 32) | |
5411 | sv_catpvf(where_sv, "^%c", toCTRL(yychar)); | |
5412 | else if (isPRINT_LC(yychar)) | |
5413 | sv_catpvf(where_sv, "%c", yychar); | |
463ee0b2 | 5414 | else |
46fc3d4c | 5415 | sv_catpvf(where_sv, "\\%03o", yychar & 255); |
5416 | where = SvPVX(where_sv); | |
463ee0b2 | 5417 | } |
46fc3d4c | 5418 | msg = sv_2mortal(newSVpv(s, 0)); |
fc36a67e | 5419 | sv_catpvf(msg, " at %_ line %ld, ", |
46fc3d4c | 5420 | GvSV(curcop->cop_filegv), (long)curcop->cop_line); |
68dc0745 | 5421 | if (context) |
46fc3d4c | 5422 | sv_catpvf(msg, "near \"%.*s\"\n", contlen, context); |
463ee0b2 | 5423 | else |
46fc3d4c | 5424 | sv_catpvf(msg, "%s\n", where); |
4fdae800 | 5425 | if (multi_start < multi_end && (U32)(curcop->cop_line - multi_end) <= 1) { |
46fc3d4c | 5426 | sv_catpvf(msg, |
4fdae800 | 5427 | " (Might be a runaway multi-line %c%c string starting on line %ld)\n", |
ff0cee69 | 5428 | (int)multi_open,(int)multi_close,(long)multi_start); |
a0d0e21e LW |
5429 | multi_end = 0; |
5430 | } | |
748a9306 | 5431 | if (in_eval & 2) |
fc36a67e | 5432 | warn("%_", msg); |
748a9306 | 5433 | else if (in_eval) |
38a03e6e | 5434 | sv_catsv(ERRSV, msg); |
463ee0b2 | 5435 | else |
46fc3d4c | 5436 | PerlIO_write(PerlIO_stderr(), SvPVX(msg), SvCUR(msg)); |
463ee0b2 | 5437 | if (++error_count >= 10) |
fc36a67e | 5438 | croak("%_ has too many errors.\n", GvSV(curcop->cop_filegv)); |
4633a7c4 | 5439 | in_my = 0; |
c750a3ec | 5440 | in_my_stash = Nullhv; |
463ee0b2 LW |
5441 | return 0; |
5442 | } | |
4e35701f | 5443 | |
161b471a | 5444 |