Commit | Line | Data |
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514dae0d | 1 | /* $RCSfile: toke.c,v $$Revision: 4.0.1.8 $$Date: 92/06/23 12:33:45 $ |
a687059c | 2 | * |
d48672a2 | 3 | * Copyright (c) 1991, 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 LW |
7 | * |
8 | * $Log: toke.c,v $ | |
514dae0d LW |
9 | * Revision 4.0.1.8 92/06/23 12:33:45 lwall |
10 | * patch35: bad interaction between backslash and hyphen in tr/// | |
11 | * | |
faf8582f LW |
12 | * Revision 4.0.1.7 92/06/11 21:16:30 lwall |
13 | * patch34: expectterm incorrectly set to indicate start of program or block | |
14 | * | |
2f3197b3 LW |
15 | * Revision 4.0.1.6 92/06/08 16:03:49 lwall |
16 | * patch20: an EXPR may now start with a bareword | |
17 | * patch20: print $fh EXPR can now expect term rather than operator in EXPR | |
18 | * patch20: added ... as variant on .. | |
19 | * patch20: new warning on spurious backslash | |
20 | * patch20: new warning on missing $ for foreach variable | |
21 | * patch20: "foo"x1024 now legal without space after x | |
22 | * patch20: new warning on print accidentally used as function | |
23 | * patch20: tr/stuff// wasn't working right | |
24 | * patch20: 2. now eats the dot | |
25 | * patch20: <@ARGV> now notices @ARGV | |
26 | * patch20: tr/// now lets you say \- | |
27 | * | |
988174c1 LW |
28 | * Revision 4.0.1.5 91/11/11 16:45:51 lwall |
29 | * patch19: default arg for shift was wrong after first subroutine definition | |
30 | * | |
de3bb511 LW |
31 | * Revision 4.0.1.4 91/11/05 19:02:48 lwall |
32 | * patch11: \x and \c were subject to double interpretation in regexps | |
33 | * patch11: prepared for ctype implementations that don't define isascii() | |
34 | * patch11: nested list operators could miscount parens | |
35 | * patch11: once-thru blocks didn't display right in the debugger | |
36 | * patch11: sort eval "whatever" didn't work | |
37 | * patch11: underscore is now allowed within literal octal and hex numbers | |
38 | * | |
1462b684 LW |
39 | * Revision 4.0.1.3 91/06/10 01:32:26 lwall |
40 | * patch10: m'$foo' now treats string as single quoted | |
41 | * patch10: certain pattern optimizations were botched | |
42 | * | |
d48672a2 LW |
43 | * Revision 4.0.1.2 91/06/07 12:05:56 lwall |
44 | * patch4: new copyright notice | |
45 | * patch4: debugger lost track of lines in eval | |
46 | * patch4: //o and s///o now optimize themselves fully at runtime | |
47 | * patch4: added global modifier for pattern matches | |
48 | * | |
35c8bce7 LW |
49 | * Revision 4.0.1.1 91/04/12 09:18:18 lwall |
50 | * patch1: perl -de "print" wouldn't stop at the first statement | |
51 | * | |
fe14fcc3 LW |
52 | * Revision 4.0 91/03/20 01:42:14 lwall |
53 | * 4.0 baseline. | |
378cc40b LW |
54 | * |
55 | */ | |
56 | ||
57 | #include "EXTERN.h" | |
58 | #include "perl.h" | |
59 | #include "perly.h" | |
60 | ||
2f3197b3 LW |
61 | static void set_csh(); |
62 | ||
395c3793 LW |
63 | #ifdef I_FCNTL |
64 | #include <fcntl.h> | |
65 | #endif | |
fe14fcc3 LW |
66 | #ifdef I_SYS_FILE |
67 | #include <sys/file.h> | |
68 | #endif | |
395c3793 | 69 | |
d48672a2 LW |
70 | #ifdef f_next |
71 | #undef f_next | |
72 | #endif | |
73 | ||
395c3793 LW |
74 | /* which backslash sequences to keep in m// or s// */ |
75 | ||
de3bb511 | 76 | static char *patleave = "\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}"; |
395c3793 | 77 | |
fe14fcc3 LW |
78 | char *reparse; /* if non-null, scanident found ${foo[$bar]} */ |
79 | ||
80 | void checkcomma(); | |
a687059c | 81 | |
ae986130 LW |
82 | #ifdef CLINE |
83 | #undef CLINE | |
84 | #endif | |
e929a76b | 85 | #define CLINE (cmdline = (curcmd->c_line < cmdline ? curcmd->c_line : cmdline)) |
378cc40b | 86 | |
2f3197b3 LW |
87 | #ifdef atarist |
88 | #define PERL_META(c) ((c) | 128) | |
89 | #else | |
a687059c | 90 | #define META(c) ((c) | 128) |
2f3197b3 | 91 | #endif |
a687059c | 92 | |
378cc40b LW |
93 | #define RETURN(retval) return (bufptr = s,(int)retval) |
94 | #define OPERATOR(retval) return (expectterm = TRUE,bufptr = s,(int)retval) | |
95 | #define TERM(retval) return (CLINE, expectterm = FALSE,bufptr = s,(int)retval) | |
96 | #define LOOPX(f) return(yylval.ival=f,expectterm = FALSE,bufptr = s,(int)LOOPEX) | |
378cc40b LW |
97 | #define FTST(f) return(yylval.ival=f,expectterm = TRUE,bufptr = s,(int)FILETEST) |
98 | #define FUN0(f) return(yylval.ival = f,expectterm = FALSE,bufptr = s,(int)FUNC0) | |
99 | #define FUN1(f) return(yylval.ival = f,expectterm = FALSE,bufptr = s,(int)FUNC1) | |
100 | #define FUN2(f) return(yylval.ival = f,expectterm = FALSE,bufptr = s,(int)FUNC2) | |
395c3793 | 101 | #define FUN2x(f) return(yylval.ival = f,expectterm = FALSE,bufptr = s,(int)FUNC2x) |
378cc40b | 102 | #define FUN3(f) return(yylval.ival = f,expectterm = FALSE,bufptr = s,(int)FUNC3) |
395c3793 LW |
103 | #define FUN4(f) return(yylval.ival = f,expectterm = FALSE,bufptr = s,(int)FUNC4) |
104 | #define FUN5(f) return(yylval.ival = f,expectterm = FALSE,bufptr = s,(int)FUNC5) | |
a687059c LW |
105 | #define FL(f) return(yylval.ival=f,expectterm = FALSE,bufptr = s,(int)FLIST) |
106 | #define FL2(f) return(yylval.ival=f,expectterm = FALSE,bufptr = s,(int)FLIST2) | |
107 | #define HFUN(f) return(yylval.ival=f,expectterm = TRUE,bufptr = s,(int)HSHFUN) | |
108 | #define HFUN3(f) return(yylval.ival=f,expectterm = FALSE,bufptr = s,(int)HSHFUN3) | |
109 | #define LFUN(f) return(yylval.ival=f,expectterm = TRUE,bufptr = s,(int)LVALFUN) | |
a687059c LW |
110 | #define AOP(f) return(yylval.ival=f,expectterm = TRUE,bufptr = s,(int)ADDOP) |
111 | #define MOP(f) return(yylval.ival=f,expectterm = TRUE,bufptr = s,(int)MULOP) | |
112 | #define EOP(f) return(yylval.ival=f,expectterm = TRUE,bufptr = s,(int)EQOP) | |
113 | #define ROP(f) return(yylval.ival=f,expectterm = TRUE,bufptr = s,(int)RELOP) | |
114 | #define FOP(f) return(yylval.ival=f,expectterm = FALSE,bufptr = s,(int)FILOP) | |
115 | #define FOP2(f) return(yylval.ival=f,expectterm = FALSE,bufptr = s,(int)FILOP2) | |
116 | #define FOP3(f) return(yylval.ival=f,expectterm = FALSE,bufptr = s,(int)FILOP3) | |
117 | #define FOP4(f) return(yylval.ival=f,expectterm = FALSE,bufptr = s,(int)FILOP4) | |
118 | #define FOP22(f) return(yylval.ival=f,expectterm = FALSE,bufptr = s,(int)FILOP22) | |
119 | #define FOP25(f) return(yylval.ival=f,expectterm = FALSE,bufptr = s,(int)FILOP25) | |
120 | ||
2f3197b3 LW |
121 | static char *last_uni; |
122 | ||
a687059c LW |
123 | /* This bit of chicanery makes a unary function followed by |
124 | * a parenthesis into a function with one argument, highest precedence. | |
125 | */ | |
2f3197b3 LW |
126 | #define UNI(f) return(yylval.ival = f, \ |
127 | expectterm = TRUE, \ | |
128 | bufptr = s, \ | |
129 | last_uni = oldbufptr, \ | |
a687059c LW |
130 | (*s == '(' || (s = skipspace(s), *s == '(') ? (int)FUNC1 : (int)UNIOP) ) |
131 | ||
132 | /* This does similarly for list operators, merely by pretending that the | |
133 | * paren came before the listop rather than after. | |
134 | */ | |
2f3197b3 LW |
135 | #ifdef atarist |
136 | #define LOP(f) return(CLINE, *s == '(' || (s = skipspace(s), *s == '(') ? \ | |
137 | (*s = (char) PERL_META('('), bufptr = oldbufptr, '(') : \ | |
138 | (yylval.ival=f,expectterm = TRUE,bufptr = s,(int)LISTOP)) | |
139 | #else | |
35c8bce7 | 140 | #define LOP(f) return(CLINE, *s == '(' || (s = skipspace(s), *s == '(') ? \ |
de3bb511 | 141 | (*s = (char) META('('), bufptr = oldbufptr, '(') : \ |
a687059c | 142 | (yylval.ival=f,expectterm = TRUE,bufptr = s,(int)LISTOP)) |
2f3197b3 | 143 | #endif |
9f68db38 LW |
144 | /* grandfather return to old style */ |
145 | #define OLDLOP(f) return(yylval.ival=f,expectterm = TRUE,bufptr = s,(int)LISTOP) | |
a687059c LW |
146 | |
147 | char * | |
148 | skipspace(s) | |
149 | register char *s; | |
150 | { | |
de3bb511 | 151 | while (s < bufend && isSPACE(*s)) |
a687059c LW |
152 | s++; |
153 | return s; | |
154 | } | |
378cc40b | 155 | |
2f3197b3 LW |
156 | void |
157 | check_uni() { | |
158 | char *s; | |
159 | char ch; | |
160 | ||
161 | if (oldoldbufptr != last_uni) | |
162 | return; | |
163 | while (isSPACE(*last_uni)) | |
164 | last_uni++; | |
e334a159 | 165 | for (s = last_uni; isALNUM(*s) || *s == '-'; s++) ; |
2f3197b3 LW |
166 | ch = *s; |
167 | *s = '\0'; | |
168 | warn("Warning: Use of \"%s\" without parens is ambiguous", last_uni); | |
169 | *s = ch; | |
170 | } | |
171 | ||
ffed7fef LW |
172 | #ifdef CRIPPLED_CC |
173 | ||
174 | #undef UNI | |
175 | #undef LOP | |
176 | #define UNI(f) return uni(f,s) | |
177 | #define LOP(f) return lop(f,s) | |
178 | ||
179 | int | |
180 | uni(f,s) | |
181 | int f; | |
182 | char *s; | |
183 | { | |
184 | yylval.ival = f; | |
185 | expectterm = TRUE; | |
186 | bufptr = s; | |
2f3197b3 | 187 | last_uni = oldbufptr; |
ffed7fef LW |
188 | if (*s == '(') |
189 | return FUNC1; | |
190 | s = skipspace(s); | |
191 | if (*s == '(') | |
192 | return FUNC1; | |
193 | else | |
194 | return UNIOP; | |
195 | } | |
196 | ||
197 | int | |
198 | lop(f,s) | |
199 | int f; | |
200 | char *s; | |
201 | { | |
35c8bce7 | 202 | CLINE; |
ffed7fef LW |
203 | if (*s != '(') |
204 | s = skipspace(s); | |
205 | if (*s == '(') { | |
2f3197b3 LW |
206 | #ifdef atarist |
207 | *s = PERL_META('('); | |
208 | #else | |
ffed7fef | 209 | *s = META('('); |
2f3197b3 | 210 | #endif |
ffed7fef LW |
211 | bufptr = oldbufptr; |
212 | return '('; | |
213 | } | |
214 | else { | |
215 | yylval.ival=f; | |
216 | expectterm = TRUE; | |
217 | bufptr = s; | |
218 | return LISTOP; | |
219 | } | |
220 | } | |
221 | ||
222 | #endif /* CRIPPLED_CC */ | |
223 | ||
2f3197b3 | 224 | int |
378cc40b LW |
225 | yylex() |
226 | { | |
227 | register char *s = bufptr; | |
228 | register char *d; | |
229 | register int tmp; | |
230 | static bool in_format = FALSE; | |
231 | static bool firstline = TRUE; | |
a687059c LW |
232 | extern int yychar; /* last token */ |
233 | ||
234 | oldoldbufptr = oldbufptr; | |
235 | oldbufptr = s; | |
378cc40b LW |
236 | |
237 | retry: | |
238 | #ifdef YYDEBUG | |
ae986130 | 239 | if (debug & 1) |
378cc40b LW |
240 | if (index(s,'\n')) |
241 | fprintf(stderr,"Tokener at %s",s); | |
242 | else | |
243 | fprintf(stderr,"Tokener at %s\n",s); | |
244 | #endif | |
e929a76b LW |
245 | #ifdef BADSWITCH |
246 | if (*s & 128) { | |
de3bb511 | 247 | if ((*s & 127) == '(') { |
e929a76b | 248 | *s++ = '('; |
de3bb511 LW |
249 | oldbufptr = s; |
250 | } | |
2f3197b3 LW |
251 | else if ((*s & 127) == '}') { |
252 | *s++ = '}'; | |
253 | RETURN('}'); | |
254 | } | |
e929a76b | 255 | else |
fe14fcc3 | 256 | warn("Unrecognized character \\%03o ignored", *s++ & 255); |
e929a76b LW |
257 | goto retry; |
258 | } | |
259 | #endif | |
378cc40b LW |
260 | switch (*s) { |
261 | default: | |
de3bb511 | 262 | if ((*s & 127) == '(') { |
a687059c | 263 | *s++ = '('; |
de3bb511 LW |
264 | oldbufptr = s; |
265 | } | |
2f3197b3 LW |
266 | else if ((*s & 127) == '}') { |
267 | *s++ = '}'; | |
268 | RETURN('}'); | |
269 | } | |
a687059c | 270 | else |
fe14fcc3 | 271 | warn("Unrecognized character \\%03o ignored", *s++ & 255); |
378cc40b | 272 | goto retry; |
e929a76b LW |
273 | case 4: |
274 | case 26: | |
275 | goto fake_eof; /* emulate EOF on ^D or ^Z */ | |
378cc40b | 276 | case 0: |
378cc40b LW |
277 | if (!rsfp) |
278 | RETURN(0); | |
a687059c LW |
279 | if (s++ < bufend) |
280 | goto retry; /* ignore stray nulls */ | |
2f3197b3 | 281 | last_uni = 0; |
a687059c LW |
282 | if (firstline) { |
283 | firstline = FALSE; | |
284 | if (minus_n || minus_p || perldb) { | |
285 | str_set(linestr,""); | |
395c3793 LW |
286 | if (perldb) { |
287 | char *getenv(); | |
288 | char *pdb = getenv("PERLDB"); | |
289 | ||
290 | str_cat(linestr, pdb ? pdb : "require 'perldb.pl'"); | |
291 | str_cat(linestr, ";"); | |
292 | } | |
a687059c LW |
293 | if (minus_n || minus_p) { |
294 | str_cat(linestr,"line: while (<>) {"); | |
fe14fcc3 LW |
295 | if (minus_l) |
296 | str_cat(linestr,"chop;"); | |
a687059c LW |
297 | if (minus_a) |
298 | str_cat(linestr,"@F=split(' ');"); | |
299 | } | |
300 | oldoldbufptr = oldbufptr = s = str_get(linestr); | |
301 | bufend = linestr->str_ptr + linestr->str_cur; | |
302 | goto retry; | |
303 | } | |
304 | } | |
378cc40b | 305 | if (in_format) { |
0f85fab0 | 306 | bufptr = bufend; |
a687059c | 307 | yylval.formval = load_format(); |
378cc40b | 308 | in_format = FALSE; |
a687059c LW |
309 | oldoldbufptr = oldbufptr = s = str_get(linestr) + 1; |
310 | bufend = linestr->str_ptr + linestr->str_cur; | |
e929a76b LW |
311 | OPERATOR(FORMLIST); |
312 | } | |
313 | curcmd->c_line++; | |
314 | #ifdef CRYPTSCRIPT | |
315 | cryptswitch(); | |
316 | #endif /* CRYPTSCRIPT */ | |
317 | do { | |
318 | if ((s = str_gets(linestr, rsfp, 0)) == Nullch) { | |
319 | fake_eof: | |
395c3793 LW |
320 | if (rsfp) { |
321 | if (preprocess) | |
322 | (void)mypclose(rsfp); | |
de3bb511 | 323 | else if ((FILE*)rsfp == stdin) |
395c3793 LW |
324 | clearerr(stdin); |
325 | else | |
326 | (void)fclose(rsfp); | |
327 | rsfp = Nullfp; | |
328 | } | |
e929a76b LW |
329 | if (minus_n || minus_p) { |
330 | str_set(linestr,minus_p ? ";}continue{print" : ""); | |
331 | str_cat(linestr,";}"); | |
332 | oldoldbufptr = oldbufptr = s = str_get(linestr); | |
333 | bufend = linestr->str_ptr + linestr->str_cur; | |
334 | minus_n = minus_p = 0; | |
335 | goto retry; | |
336 | } | |
a687059c | 337 | oldoldbufptr = oldbufptr = s = str_get(linestr); |
e929a76b LW |
338 | str_set(linestr,""); |
339 | RETURN(';'); /* not infinite loop because rsfp is NULL now */ | |
378cc40b | 340 | } |
e929a76b LW |
341 | if (doextract && *linestr->str_ptr == '#') |
342 | doextract = FALSE; | |
343 | } while (doextract); | |
a687059c LW |
344 | oldoldbufptr = oldbufptr = bufptr = s; |
345 | if (perldb) { | |
346 | STR *str = Str_new(85,0); | |
347 | ||
348 | str_sset(str,linestr); | |
395c3793 | 349 | astore(stab_xarray(curcmd->c_filestab),(int)curcmd->c_line,str); |
a687059c | 350 | } |
378cc40b | 351 | #ifdef DEBUG |
a687059c | 352 | if (firstline) { |
378cc40b LW |
353 | char *showinput(); |
354 | s = showinput(); | |
355 | } | |
356 | #endif | |
a687059c | 357 | bufend = linestr->str_ptr + linestr->str_cur; |
e929a76b | 358 | if (curcmd->c_line == 1) { |
9f68db38 LW |
359 | if (*s == '#' && s[1] == '!') { |
360 | if (!in_eval && !instr(s,"perl") && instr(origargv[0],"perl")) { | |
361 | char **newargv; | |
362 | char *cmd; | |
363 | ||
364 | s += 2; | |
365 | if (*s == ' ') | |
366 | s++; | |
367 | cmd = s; | |
de3bb511 | 368 | while (s < bufend && !isSPACE(*s)) |
9f68db38 LW |
369 | s++; |
370 | *s++ = '\0'; | |
de3bb511 | 371 | while (s < bufend && isSPACE(*s)) |
9f68db38 LW |
372 | s++; |
373 | if (s < bufend) { | |
374 | Newz(899,newargv,origargc+3,char*); | |
375 | newargv[1] = s; | |
de3bb511 | 376 | while (s < bufend && !isSPACE(*s)) |
9f68db38 LW |
377 | s++; |
378 | *s = '\0'; | |
379 | Copy(origargv+1, newargv+2, origargc+1, char*); | |
380 | } | |
381 | else | |
382 | newargv = origargv; | |
383 | newargv[0] = cmd; | |
384 | execv(cmd,newargv); | |
385 | fatal("Can't exec %s", cmd); | |
386 | } | |
387 | } | |
388 | else { | |
de3bb511 | 389 | while (s < bufend && isSPACE(*s)) |
9f68db38 LW |
390 | s++; |
391 | if (*s == ':') /* for csh's that have to exec sh scripts */ | |
392 | s++; | |
393 | } | |
ae986130 | 394 | } |
378cc40b | 395 | goto retry; |
fe14fcc3 | 396 | case ' ': case '\t': case '\f': case '\r': case 013: |
378cc40b LW |
397 | s++; |
398 | goto retry; | |
378cc40b LW |
399 | case '#': |
400 | if (preprocess && s == str_get(linestr) && | |
de3bb511 LW |
401 | s[1] == ' ' && (isDIGIT(s[2]) || strnEQ(s+2,"line ",5)) ) { |
402 | while (*s && !isDIGIT(*s)) | |
403 | s++; | |
404 | curcmd->c_line = atoi(s)-1; | |
405 | while (isDIGIT(*s)) | |
406 | s++; | |
a687059c | 407 | d = bufend; |
de3bb511 | 408 | while (s < d && isSPACE(*s)) s++; |
378cc40b LW |
409 | s[strlen(s)-1] = '\0'; /* wipe out newline */ |
410 | if (*s == '"') { | |
411 | s++; | |
412 | s[strlen(s)-1] = '\0'; /* wipe out trailing quote */ | |
413 | } | |
414 | if (*s) | |
395c3793 | 415 | curcmd->c_filestab = fstab(s); |
378cc40b | 416 | else |
395c3793 | 417 | curcmd->c_filestab = fstab(origfilename); |
a687059c | 418 | oldoldbufptr = oldbufptr = s = str_get(linestr); |
378cc40b | 419 | } |
e929a76b LW |
420 | /* FALL THROUGH */ |
421 | case '\n': | |
a687059c LW |
422 | if (in_eval && !rsfp) { |
423 | d = bufend; | |
424 | while (s < d && *s != '\n') | |
378cc40b | 425 | s++; |
0f85fab0 | 426 | if (s < d) |
378cc40b | 427 | s++; |
0f85fab0 LW |
428 | if (in_format) { |
429 | bufptr = s; | |
430 | yylval.formval = load_format(); | |
431 | in_format = FALSE; | |
432 | oldoldbufptr = oldbufptr = s = bufptr + 1; | |
433 | TERM(FORMLIST); | |
a687059c | 434 | } |
e929a76b | 435 | curcmd->c_line++; |
378cc40b | 436 | } |
a687059c | 437 | else { |
378cc40b | 438 | *s = '\0'; |
a687059c LW |
439 | bufend = s; |
440 | } | |
378cc40b LW |
441 | goto retry; |
442 | case '-': | |
de3bb511 | 443 | if (s[1] && isALPHA(s[1]) && !isALPHA(s[2])) { |
378cc40b | 444 | s++; |
e334a159 | 445 | last_uni = oldbufptr; |
378cc40b LW |
446 | switch (*s++) { |
447 | case 'r': FTST(O_FTEREAD); | |
448 | case 'w': FTST(O_FTEWRITE); | |
449 | case 'x': FTST(O_FTEEXEC); | |
450 | case 'o': FTST(O_FTEOWNED); | |
451 | case 'R': FTST(O_FTRREAD); | |
452 | case 'W': FTST(O_FTRWRITE); | |
453 | case 'X': FTST(O_FTREXEC); | |
454 | case 'O': FTST(O_FTROWNED); | |
455 | case 'e': FTST(O_FTIS); | |
456 | case 'z': FTST(O_FTZERO); | |
457 | case 's': FTST(O_FTSIZE); | |
458 | case 'f': FTST(O_FTFILE); | |
459 | case 'd': FTST(O_FTDIR); | |
460 | case 'l': FTST(O_FTLINK); | |
461 | case 'p': FTST(O_FTPIPE); | |
462 | case 'S': FTST(O_FTSOCK); | |
463 | case 'u': FTST(O_FTSUID); | |
464 | case 'g': FTST(O_FTSGID); | |
465 | case 'k': FTST(O_FTSVTX); | |
466 | case 'b': FTST(O_FTBLK); | |
467 | case 'c': FTST(O_FTCHR); | |
468 | case 't': FTST(O_FTTTY); | |
469 | case 'T': FTST(O_FTTEXT); | |
470 | case 'B': FTST(O_FTBINARY); | |
395c3793 LW |
471 | case 'M': stabent("\024",TRUE); FTST(O_FTMTIME); |
472 | case 'A': stabent("\024",TRUE); FTST(O_FTATIME); | |
473 | case 'C': stabent("\024",TRUE); FTST(O_FTCTIME); | |
378cc40b LW |
474 | default: |
475 | s -= 2; | |
476 | break; | |
477 | } | |
478 | } | |
a687059c LW |
479 | tmp = *s++; |
480 | if (*s == tmp) { | |
481 | s++; | |
482 | RETURN(DEC); | |
483 | } | |
2f3197b3 LW |
484 | if (expectterm) { |
485 | if (isSPACE(*s) || !isSPACE(*bufptr)) | |
486 | check_uni(); | |
a687059c | 487 | OPERATOR('-'); |
2f3197b3 | 488 | } |
a687059c LW |
489 | else |
490 | AOP(O_SUBTRACT); | |
378cc40b | 491 | case '+': |
a687059c LW |
492 | tmp = *s++; |
493 | if (*s == tmp) { | |
378cc40b | 494 | s++; |
a687059c | 495 | RETURN(INC); |
378cc40b | 496 | } |
2f3197b3 LW |
497 | if (expectterm) { |
498 | if (isSPACE(*s) || !isSPACE(*bufptr)) | |
499 | check_uni(); | |
a687059c | 500 | OPERATOR('+'); |
2f3197b3 | 501 | } |
a687059c LW |
502 | else |
503 | AOP(O_ADD); | |
504 | ||
378cc40b | 505 | case '*': |
a687059c | 506 | if (expectterm) { |
2f3197b3 | 507 | check_uni(); |
fe14fcc3 | 508 | s = scanident(s,bufend,tokenbuf); |
a687059c LW |
509 | yylval.stabval = stabent(tokenbuf,TRUE); |
510 | TERM(STAR); | |
511 | } | |
512 | tmp = *s++; | |
513 | if (*s == tmp) { | |
514 | s++; | |
515 | OPERATOR(POW); | |
516 | } | |
517 | MOP(O_MULTIPLY); | |
378cc40b | 518 | case '%': |
a687059c | 519 | if (expectterm) { |
2f3197b3 LW |
520 | if (!isALPHA(s[1])) |
521 | check_uni(); | |
fe14fcc3 | 522 | s = scanident(s,bufend,tokenbuf); |
6eb13c3b | 523 | yylval.stabval = hadd(stabent(tokenbuf,TRUE)); |
a687059c LW |
524 | TERM(HSH); |
525 | } | |
526 | s++; | |
527 | MOP(O_MODULO); | |
528 | ||
378cc40b LW |
529 | case '^': |
530 | case '~': | |
531 | case '(': | |
532 | case ',': | |
533 | case ':': | |
534 | case '[': | |
535 | tmp = *s++; | |
536 | OPERATOR(tmp); | |
537 | case '{': | |
538 | tmp = *s++; | |
de3bb511 LW |
539 | yylval.ival = curcmd->c_line; |
540 | if (isSPACE(*s) || *s == '#') | |
378cc40b | 541 | cmdline = NOLINE; /* invalidate current command line number */ |
faf8582f LW |
542 | expectterm = 2; |
543 | RETURN(tmp); | |
378cc40b | 544 | case ';': |
e929a76b LW |
545 | if (curcmd->c_line < cmdline) |
546 | cmdline = curcmd->c_line; | |
378cc40b LW |
547 | tmp = *s++; |
548 | OPERATOR(tmp); | |
549 | case ')': | |
550 | case ']': | |
551 | tmp = *s++; | |
552 | TERM(tmp); | |
553 | case '}': | |
2f3197b3 LW |
554 | *s |= 128; |
555 | RETURN(';'); | |
378cc40b LW |
556 | case '&': |
557 | s++; | |
558 | tmp = *s++; | |
559 | if (tmp == '&') | |
560 | OPERATOR(ANDAND); | |
561 | s--; | |
a687059c LW |
562 | if (expectterm) { |
563 | d = bufend; | |
de3bb511 | 564 | while (s < d && isSPACE(*s)) |
a687059c | 565 | s++; |
de3bb511 | 566 | if (isALPHA(*s) || *s == '_' || *s == '\'') |
a687059c | 567 | *(--s) = '\\'; /* force next ident to WORD */ |
2f3197b3 LW |
568 | else |
569 | check_uni(); | |
a687059c LW |
570 | OPERATOR(AMPER); |
571 | } | |
378cc40b LW |
572 | OPERATOR('&'); |
573 | case '|': | |
574 | s++; | |
575 | tmp = *s++; | |
576 | if (tmp == '|') | |
577 | OPERATOR(OROR); | |
578 | s--; | |
579 | OPERATOR('|'); | |
580 | case '=': | |
581 | s++; | |
582 | tmp = *s++; | |
583 | if (tmp == '=') | |
a687059c | 584 | EOP(O_EQ); |
378cc40b LW |
585 | if (tmp == '~') |
586 | OPERATOR(MATCH); | |
587 | s--; | |
588 | OPERATOR('='); | |
589 | case '!': | |
590 | s++; | |
591 | tmp = *s++; | |
592 | if (tmp == '=') | |
a687059c | 593 | EOP(O_NE); |
378cc40b LW |
594 | if (tmp == '~') |
595 | OPERATOR(NMATCH); | |
596 | s--; | |
597 | OPERATOR('!'); | |
598 | case '<': | |
599 | if (expectterm) { | |
2f3197b3 LW |
600 | if (s[1] != '<' && !index(s,'>')) |
601 | check_uni(); | |
602 | s = scanstr(s, SCAN_DEF); | |
378cc40b LW |
603 | TERM(RSTRING); |
604 | } | |
605 | s++; | |
606 | tmp = *s++; | |
607 | if (tmp == '<') | |
608 | OPERATOR(LS); | |
395c3793 LW |
609 | if (tmp == '=') { |
610 | tmp = *s++; | |
611 | if (tmp == '>') | |
612 | EOP(O_NCMP); | |
613 | s--; | |
a687059c | 614 | ROP(O_LE); |
395c3793 | 615 | } |
378cc40b | 616 | s--; |
a687059c | 617 | ROP(O_LT); |
378cc40b LW |
618 | case '>': |
619 | s++; | |
620 | tmp = *s++; | |
621 | if (tmp == '>') | |
622 | OPERATOR(RS); | |
623 | if (tmp == '=') | |
a687059c | 624 | ROP(O_GE); |
378cc40b | 625 | s--; |
a687059c | 626 | ROP(O_GT); |
378cc40b LW |
627 | |
628 | #define SNARFWORD \ | |
629 | d = tokenbuf; \ | |
de3bb511 | 630 | while (isALNUM(*s) || *s == '\'') \ |
378cc40b | 631 | *d++ = *s++; \ |
663a0e37 | 632 | while (d[-1] == '\'') \ |
a687059c | 633 | d--,s--; \ |
378cc40b LW |
634 | *d = '\0'; \ |
635 | d = tokenbuf; | |
636 | ||
637 | case '$': | |
de3bb511 | 638 | if (s[1] == '#' && (isALPHA(s[2]) || s[2] == '_')) { |
378cc40b | 639 | s++; |
fe14fcc3 | 640 | s = scanident(s,bufend,tokenbuf); |
378cc40b LW |
641 | yylval.stabval = aadd(stabent(tokenbuf,TRUE)); |
642 | TERM(ARYLEN); | |
643 | } | |
a687059c | 644 | d = s; |
fe14fcc3 | 645 | s = scanident(s,bufend,tokenbuf); |
a687059c LW |
646 | if (reparse) { /* turn ${foo[bar]} into ($foo[bar]) */ |
647 | do_reparse: | |
648 | s[-1] = ')'; | |
649 | s = d; | |
650 | s[1] = s[0]; | |
651 | s[0] = '('; | |
652 | goto retry; | |
653 | } | |
378cc40b | 654 | yylval.stabval = stabent(tokenbuf,TRUE); |
2f3197b3 LW |
655 | expectterm = FALSE; |
656 | if (isSPACE(*s) && oldoldbufptr && oldoldbufptr < bufptr) { | |
657 | s++; | |
658 | while (isSPACE(*oldoldbufptr)) | |
659 | oldoldbufptr++; | |
660 | if (*oldoldbufptr == 'p' && strnEQ(oldoldbufptr,"print",5)) { | |
661 | if (index("&*<%", *s) && isALPHA(s[1])) | |
662 | expectterm = TRUE; /* e.g. print $fh &sub */ | |
663 | else if (*s == '.' && isDIGIT(s[1])) | |
664 | expectterm = TRUE; /* e.g. print $fh .3 */ | |
665 | else if (index("/?-+", *s) && !isSPACE(s[1])) | |
666 | expectterm = TRUE; /* e.g. print $fh -1 */ | |
667 | } | |
668 | } | |
669 | RETURN(REG); | |
378cc40b LW |
670 | |
671 | case '@': | |
a687059c | 672 | d = s; |
fe14fcc3 | 673 | s = scanident(s,bufend,tokenbuf); |
a687059c LW |
674 | if (reparse) |
675 | goto do_reparse; | |
e929a76b | 676 | yylval.stabval = aadd(stabent(tokenbuf,TRUE)); |
378cc40b LW |
677 | TERM(ARY); |
678 | ||
679 | case '/': /* may either be division or pattern */ | |
680 | case '?': /* may either be conditional or pattern */ | |
681 | if (expectterm) { | |
2f3197b3 | 682 | check_uni(); |
378cc40b LW |
683 | s = scanpat(s); |
684 | TERM(PATTERN); | |
685 | } | |
686 | tmp = *s++; | |
a687059c LW |
687 | if (tmp == '/') |
688 | MOP(O_DIVIDE); | |
378cc40b LW |
689 | OPERATOR(tmp); |
690 | ||
691 | case '.': | |
de3bb511 | 692 | if (!expectterm || !isDIGIT(s[1])) { |
378cc40b | 693 | tmp = *s++; |
a687059c LW |
694 | if (*s == tmp) { |
695 | s++; | |
2f3197b3 LW |
696 | if (*s == tmp) { |
697 | s++; | |
698 | yylval.ival = 0; | |
699 | } | |
700 | else | |
701 | yylval.ival = AF_COMMON; | |
378cc40b | 702 | OPERATOR(DOTDOT); |
a687059c | 703 | } |
2f3197b3 LW |
704 | if (expectterm) |
705 | check_uni(); | |
a687059c | 706 | AOP(O_CONCAT); |
378cc40b LW |
707 | } |
708 | /* FALL THROUGH */ | |
709 | case '0': case '1': case '2': case '3': case '4': | |
710 | case '5': case '6': case '7': case '8': case '9': | |
711 | case '\'': case '"': case '`': | |
2f3197b3 | 712 | s = scanstr(s, SCAN_DEF); |
378cc40b LW |
713 | TERM(RSTRING); |
714 | ||
a687059c LW |
715 | case '\\': /* some magic to force next word to be a WORD */ |
716 | s++; /* used by do and sub to force a separate namespace */ | |
2f3197b3 LW |
717 | if (!isALPHA(*s) && *s != '_' && *s != '\'') { |
718 | warn("Spurious backslash ignored"); | |
719 | goto retry; | |
720 | } | |
a687059c | 721 | /* FALL THROUGH */ |
378cc40b LW |
722 | case '_': |
723 | SNARFWORD; | |
e929a76b LW |
724 | if (d[1] == '_') { |
725 | if (strEQ(d,"__LINE__") || strEQ(d,"__FILE__")) { | |
726 | ARG *arg = op_new(1); | |
727 | ||
728 | yylval.arg = arg; | |
729 | arg->arg_type = O_ITEM; | |
730 | if (d[2] == 'L') | |
731 | (void)sprintf(tokenbuf,"%ld",(long)curcmd->c_line); | |
732 | else | |
395c3793 | 733 | strcpy(tokenbuf, stab_val(curcmd->c_filestab)->str_ptr); |
e929a76b LW |
734 | arg[1].arg_type = A_SINGLE; |
735 | arg[1].arg_ptr.arg_str = str_make(tokenbuf,strlen(tokenbuf)); | |
736 | TERM(RSTRING); | |
737 | } | |
395c3793 | 738 | else if (strEQ(d,"__END__")) { |
395c3793 LW |
739 | STAB *stab; |
740 | int fd; | |
741 | ||
de3bb511 | 742 | /*SUPPRESS 560*/ |
2f3197b3 | 743 | if (!in_eval && (stab = stabent("DATA",FALSE))) { |
395c3793 | 744 | stab->str_pok |= SP_MULTI; |
2f3197b3 LW |
745 | if (!stab_io(stab)) |
746 | stab_io(stab) = stio_new(); | |
395c3793 | 747 | stab_io(stab)->ifp = rsfp; |
fe14fcc3 | 748 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
395c3793 LW |
749 | fd = fileno(rsfp); |
750 | fcntl(fd,F_SETFD,fd >= 3); | |
751 | #endif | |
752 | if (preprocess) | |
753 | stab_io(stab)->type = '|'; | |
de3bb511 | 754 | else if ((FILE*)rsfp == stdin) |
395c3793 LW |
755 | stab_io(stab)->type = '-'; |
756 | else | |
757 | stab_io(stab)->type = '<'; | |
758 | rsfp = Nullfp; | |
759 | } | |
e929a76b | 760 | goto fake_eof; |
395c3793 | 761 | } |
e929a76b | 762 | } |
a687059c | 763 | break; |
378cc40b LW |
764 | case 'a': case 'A': |
765 | SNARFWORD; | |
34de22dd LW |
766 | if (strEQ(d,"alarm")) |
767 | UNI(O_ALARM); | |
a687059c LW |
768 | if (strEQ(d,"accept")) |
769 | FOP22(O_ACCEPT); | |
770 | if (strEQ(d,"atan2")) | |
771 | FUN2(O_ATAN2); | |
772 | break; | |
378cc40b LW |
773 | case 'b': case 'B': |
774 | SNARFWORD; | |
a687059c LW |
775 | if (strEQ(d,"bind")) |
776 | FOP2(O_BIND); | |
0f85fab0 LW |
777 | if (strEQ(d,"binmode")) |
778 | FOP(O_BINMODE); | |
a687059c | 779 | break; |
378cc40b LW |
780 | case 'c': case 'C': |
781 | SNARFWORD; | |
a687059c LW |
782 | if (strEQ(d,"chop")) |
783 | LFUN(O_CHOP); | |
378cc40b LW |
784 | if (strEQ(d,"continue")) |
785 | OPERATOR(CONTINUE); | |
9f68db38 LW |
786 | if (strEQ(d,"chdir")) { |
787 | (void)stabent("ENV",TRUE); /* may use HOME */ | |
378cc40b | 788 | UNI(O_CHDIR); |
9f68db38 | 789 | } |
378cc40b | 790 | if (strEQ(d,"close")) |
a687059c LW |
791 | FOP(O_CLOSE); |
792 | if (strEQ(d,"closedir")) | |
793 | FOP(O_CLOSEDIR); | |
395c3793 LW |
794 | if (strEQ(d,"cmp")) |
795 | EOP(O_SCMP); | |
796 | if (strEQ(d,"caller")) | |
797 | UNI(O_CALLER); | |
a687059c LW |
798 | if (strEQ(d,"crypt")) { |
799 | #ifdef FCRYPT | |
de3bb511 LW |
800 | static int cryptseen = 0; |
801 | ||
802 | if (!cryptseen++) | |
803 | init_des(); | |
a687059c | 804 | #endif |
378cc40b | 805 | FUN2(O_CRYPT); |
378cc40b | 806 | } |
a687059c LW |
807 | if (strEQ(d,"chmod")) |
808 | LOP(O_CHMOD); | |
809 | if (strEQ(d,"chown")) | |
810 | LOP(O_CHOWN); | |
811 | if (strEQ(d,"connect")) | |
812 | FOP2(O_CONNECT); | |
813 | if (strEQ(d,"cos")) | |
814 | UNI(O_COS); | |
815 | if (strEQ(d,"chroot")) | |
816 | UNI(O_CHROOT); | |
817 | break; | |
378cc40b LW |
818 | case 'd': case 'D': |
819 | SNARFWORD; | |
a687059c LW |
820 | if (strEQ(d,"do")) { |
821 | d = bufend; | |
de3bb511 | 822 | while (s < d && isSPACE(*s)) |
a687059c | 823 | s++; |
de3bb511 | 824 | if (isALPHA(*s) || *s == '_') |
a687059c | 825 | *(--s) = '\\'; /* force next ident to WORD */ |
378cc40b | 826 | OPERATOR(DO); |
a687059c | 827 | } |
378cc40b | 828 | if (strEQ(d,"die")) |
a687059c LW |
829 | LOP(O_DIE); |
830 | if (strEQ(d,"defined")) | |
831 | LFUN(O_DEFINED); | |
378cc40b LW |
832 | if (strEQ(d,"delete")) |
833 | OPERATOR(DELETE); | |
a687059c LW |
834 | if (strEQ(d,"dbmopen")) |
835 | HFUN3(O_DBMOPEN); | |
836 | if (strEQ(d,"dbmclose")) | |
837 | HFUN(O_DBMCLOSE); | |
838 | if (strEQ(d,"dump")) | |
839 | LOOPX(O_DUMP); | |
840 | break; | |
378cc40b LW |
841 | case 'e': case 'E': |
842 | SNARFWORD; | |
843 | if (strEQ(d,"else")) | |
844 | OPERATOR(ELSE); | |
845 | if (strEQ(d,"elsif")) { | |
e929a76b | 846 | yylval.ival = curcmd->c_line; |
378cc40b LW |
847 | OPERATOR(ELSIF); |
848 | } | |
849 | if (strEQ(d,"eq") || strEQ(d,"EQ")) | |
a687059c | 850 | EOP(O_SEQ); |
378cc40b LW |
851 | if (strEQ(d,"exit")) |
852 | UNI(O_EXIT); | |
853 | if (strEQ(d,"eval")) { | |
854 | allstabs = TRUE; /* must initialize everything since */ | |
855 | UNI(O_EVAL); /* we don't know what will be used */ | |
856 | } | |
857 | if (strEQ(d,"eof")) | |
a687059c | 858 | FOP(O_EOF); |
378cc40b | 859 | if (strEQ(d,"exp")) |
a687059c | 860 | UNI(O_EXP); |
378cc40b | 861 | if (strEQ(d,"each")) |
a687059c | 862 | HFUN(O_EACH); |
378cc40b | 863 | if (strEQ(d,"exec")) { |
a687059c | 864 | set_csh(); |
395c3793 | 865 | LOP(O_EXEC_OP); |
378cc40b | 866 | } |
a687059c LW |
867 | if (strEQ(d,"endhostent")) |
868 | FUN0(O_EHOSTENT); | |
869 | if (strEQ(d,"endnetent")) | |
870 | FUN0(O_ENETENT); | |
871 | if (strEQ(d,"endservent")) | |
872 | FUN0(O_ESERVENT); | |
873 | if (strEQ(d,"endprotoent")) | |
874 | FUN0(O_EPROTOENT); | |
875 | if (strEQ(d,"endpwent")) | |
876 | FUN0(O_EPWENT); | |
877 | if (strEQ(d,"endgrent")) | |
878 | FUN0(O_EGRENT); | |
879 | break; | |
378cc40b LW |
880 | case 'f': case 'F': |
881 | SNARFWORD; | |
9f68db38 | 882 | if (strEQ(d,"for") || strEQ(d,"foreach")) { |
e929a76b | 883 | yylval.ival = curcmd->c_line; |
2f3197b3 LW |
884 | while (s < bufend && isSPACE(*s)) |
885 | s++; | |
886 | if (isALPHA(*s)) | |
887 | fatal("Missing $ on loop variable"); | |
378cc40b | 888 | OPERATOR(FOR); |
9f68db38 | 889 | } |
378cc40b | 890 | if (strEQ(d,"format")) { |
a687059c | 891 | d = bufend; |
de3bb511 | 892 | while (s < d && isSPACE(*s)) |
a687059c | 893 | s++; |
de3bb511 | 894 | if (isALPHA(*s) || *s == '_') |
a687059c | 895 | *(--s) = '\\'; /* force next ident to WORD */ |
378cc40b | 896 | in_format = TRUE; |
a687059c LW |
897 | allstabs = TRUE; /* must initialize everything since */ |
898 | OPERATOR(FORMAT); /* we don't know what will be used */ | |
378cc40b LW |
899 | } |
900 | if (strEQ(d,"fork")) | |
901 | FUN0(O_FORK); | |
a687059c LW |
902 | if (strEQ(d,"fcntl")) |
903 | FOP3(O_FCNTL); | |
904 | if (strEQ(d,"fileno")) | |
905 | FOP(O_FILENO); | |
906 | if (strEQ(d,"flock")) | |
907 | FOP2(O_FLOCK); | |
908 | break; | |
378cc40b LW |
909 | case 'g': case 'G': |
910 | SNARFWORD; | |
911 | if (strEQ(d,"gt") || strEQ(d,"GT")) | |
a687059c | 912 | ROP(O_SGT); |
378cc40b | 913 | if (strEQ(d,"ge") || strEQ(d,"GE")) |
a687059c LW |
914 | ROP(O_SGE); |
915 | if (strEQ(d,"grep")) | |
916 | FL2(O_GREP); | |
378cc40b LW |
917 | if (strEQ(d,"goto")) |
918 | LOOPX(O_GOTO); | |
919 | if (strEQ(d,"gmtime")) | |
a687059c LW |
920 | UNI(O_GMTIME); |
921 | if (strEQ(d,"getc")) | |
922 | FOP(O_GETC); | |
923 | if (strnEQ(d,"get",3)) { | |
924 | d += 3; | |
925 | if (*d == 'p') { | |
926 | if (strEQ(d,"ppid")) | |
927 | FUN0(O_GETPPID); | |
928 | if (strEQ(d,"pgrp")) | |
929 | UNI(O_GETPGRP); | |
930 | if (strEQ(d,"priority")) | |
931 | FUN2(O_GETPRIORITY); | |
932 | if (strEQ(d,"protobyname")) | |
933 | UNI(O_GPBYNAME); | |
934 | if (strEQ(d,"protobynumber")) | |
935 | FUN1(O_GPBYNUMBER); | |
936 | if (strEQ(d,"protoent")) | |
937 | FUN0(O_GPROTOENT); | |
938 | if (strEQ(d,"pwent")) | |
939 | FUN0(O_GPWENT); | |
940 | if (strEQ(d,"pwnam")) | |
941 | FUN1(O_GPWNAM); | |
942 | if (strEQ(d,"pwuid")) | |
943 | FUN1(O_GPWUID); | |
944 | if (strEQ(d,"peername")) | |
945 | FOP(O_GETPEERNAME); | |
946 | } | |
947 | else if (*d == 'h') { | |
948 | if (strEQ(d,"hostbyname")) | |
949 | UNI(O_GHBYNAME); | |
950 | if (strEQ(d,"hostbyaddr")) | |
951 | FUN2(O_GHBYADDR); | |
952 | if (strEQ(d,"hostent")) | |
953 | FUN0(O_GHOSTENT); | |
954 | } | |
955 | else if (*d == 'n') { | |
956 | if (strEQ(d,"netbyname")) | |
957 | UNI(O_GNBYNAME); | |
958 | if (strEQ(d,"netbyaddr")) | |
959 | FUN2(O_GNBYADDR); | |
960 | if (strEQ(d,"netent")) | |
961 | FUN0(O_GNETENT); | |
962 | } | |
963 | else if (*d == 's') { | |
964 | if (strEQ(d,"servbyname")) | |
965 | FUN2(O_GSBYNAME); | |
966 | if (strEQ(d,"servbyport")) | |
967 | FUN2(O_GSBYPORT); | |
968 | if (strEQ(d,"servent")) | |
969 | FUN0(O_GSERVENT); | |
970 | if (strEQ(d,"sockname")) | |
971 | FOP(O_GETSOCKNAME); | |
972 | if (strEQ(d,"sockopt")) | |
973 | FOP3(O_GSOCKOPT); | |
974 | } | |
975 | else if (*d == 'g') { | |
976 | if (strEQ(d,"grent")) | |
977 | FUN0(O_GGRENT); | |
978 | if (strEQ(d,"grnam")) | |
979 | FUN1(O_GGRNAM); | |
980 | if (strEQ(d,"grgid")) | |
981 | FUN1(O_GGRGID); | |
982 | } | |
983 | else if (*d == 'l') { | |
984 | if (strEQ(d,"login")) | |
985 | FUN0(O_GETLOGIN); | |
986 | } | |
987 | d -= 3; | |
988 | } | |
989 | break; | |
378cc40b LW |
990 | case 'h': case 'H': |
991 | SNARFWORD; | |
992 | if (strEQ(d,"hex")) | |
a687059c LW |
993 | UNI(O_HEX); |
994 | break; | |
378cc40b LW |
995 | case 'i': case 'I': |
996 | SNARFWORD; | |
997 | if (strEQ(d,"if")) { | |
e929a76b | 998 | yylval.ival = curcmd->c_line; |
378cc40b LW |
999 | OPERATOR(IF); |
1000 | } | |
1001 | if (strEQ(d,"index")) | |
395c3793 | 1002 | FUN2x(O_INDEX); |
378cc40b | 1003 | if (strEQ(d,"int")) |
a687059c LW |
1004 | UNI(O_INT); |
1005 | if (strEQ(d,"ioctl")) | |
1006 | FOP3(O_IOCTL); | |
1007 | break; | |
378cc40b LW |
1008 | case 'j': case 'J': |
1009 | SNARFWORD; | |
1010 | if (strEQ(d,"join")) | |
a687059c LW |
1011 | FL2(O_JOIN); |
1012 | break; | |
378cc40b LW |
1013 | case 'k': case 'K': |
1014 | SNARFWORD; | |
1015 | if (strEQ(d,"keys")) | |
a687059c LW |
1016 | HFUN(O_KEYS); |
1017 | if (strEQ(d,"kill")) | |
1018 | LOP(O_KILL); | |
1019 | break; | |
378cc40b LW |
1020 | case 'l': case 'L': |
1021 | SNARFWORD; | |
1022 | if (strEQ(d,"last")) | |
1023 | LOOPX(O_LAST); | |
1024 | if (strEQ(d,"local")) | |
1025 | OPERATOR(LOCAL); | |
1026 | if (strEQ(d,"length")) | |
a687059c | 1027 | UNI(O_LENGTH); |
378cc40b | 1028 | if (strEQ(d,"lt") || strEQ(d,"LT")) |
a687059c | 1029 | ROP(O_SLT); |
378cc40b | 1030 | if (strEQ(d,"le") || strEQ(d,"LE")) |
a687059c | 1031 | ROP(O_SLE); |
378cc40b | 1032 | if (strEQ(d,"localtime")) |
a687059c | 1033 | UNI(O_LOCALTIME); |
378cc40b | 1034 | if (strEQ(d,"log")) |
a687059c | 1035 | UNI(O_LOG); |
378cc40b LW |
1036 | if (strEQ(d,"link")) |
1037 | FUN2(O_LINK); | |
a687059c LW |
1038 | if (strEQ(d,"listen")) |
1039 | FOP2(O_LISTEN); | |
1040 | if (strEQ(d,"lstat")) | |
1041 | FOP(O_LSTAT); | |
1042 | break; | |
378cc40b | 1043 | case 'm': case 'M': |
663a0e37 LW |
1044 | if (s[1] == '\'') { |
1045 | d = "m"; | |
1046 | s++; | |
1047 | } | |
1048 | else { | |
1049 | SNARFWORD; | |
1050 | } | |
378cc40b LW |
1051 | if (strEQ(d,"m")) { |
1052 | s = scanpat(s-1); | |
a687059c LW |
1053 | if (yylval.arg) |
1054 | TERM(PATTERN); | |
1055 | else | |
1056 | RETURN(1); /* force error */ | |
378cc40b | 1057 | } |
395c3793 LW |
1058 | switch (d[1]) { |
1059 | case 'k': | |
1060 | if (strEQ(d,"mkdir")) | |
1061 | FUN2(O_MKDIR); | |
1062 | break; | |
1063 | case 's': | |
1064 | if (strEQ(d,"msgctl")) | |
1065 | FUN3(O_MSGCTL); | |
1066 | if (strEQ(d,"msgget")) | |
1067 | FUN2(O_MSGGET); | |
1068 | if (strEQ(d,"msgrcv")) | |
1069 | FUN5(O_MSGRCV); | |
1070 | if (strEQ(d,"msgsnd")) | |
1071 | FUN3(O_MSGSND); | |
1072 | break; | |
1073 | } | |
a687059c | 1074 | break; |
378cc40b LW |
1075 | case 'n': case 'N': |
1076 | SNARFWORD; | |
1077 | if (strEQ(d,"next")) | |
1078 | LOOPX(O_NEXT); | |
1079 | if (strEQ(d,"ne") || strEQ(d,"NE")) | |
a687059c LW |
1080 | EOP(O_SNE); |
1081 | break; | |
378cc40b LW |
1082 | case 'o': case 'O': |
1083 | SNARFWORD; | |
1084 | if (strEQ(d,"open")) | |
1085 | OPERATOR(OPEN); | |
1086 | if (strEQ(d,"ord")) | |
a687059c | 1087 | UNI(O_ORD); |
378cc40b | 1088 | if (strEQ(d,"oct")) |
a687059c LW |
1089 | UNI(O_OCT); |
1090 | if (strEQ(d,"opendir")) | |
d48672a2 | 1091 | FOP2(O_OPEN_DIR); |
a687059c | 1092 | break; |
378cc40b LW |
1093 | case 'p': case 'P': |
1094 | SNARFWORD; | |
1095 | if (strEQ(d,"print")) { | |
2f3197b3 | 1096 | checkcomma(s,d,"filehandle"); |
a687059c | 1097 | LOP(O_PRINT); |
378cc40b LW |
1098 | } |
1099 | if (strEQ(d,"printf")) { | |
2f3197b3 | 1100 | checkcomma(s,d,"filehandle"); |
a687059c | 1101 | LOP(O_PRTF); |
378cc40b LW |
1102 | } |
1103 | if (strEQ(d,"push")) { | |
1104 | yylval.ival = O_PUSH; | |
1105 | OPERATOR(PUSH); | |
1106 | } | |
1107 | if (strEQ(d,"pop")) | |
1108 | OPERATOR(POP); | |
a687059c LW |
1109 | if (strEQ(d,"pack")) |
1110 | FL2(O_PACK); | |
1111 | if (strEQ(d,"package")) | |
1112 | OPERATOR(PACKAGE); | |
9f68db38 | 1113 | if (strEQ(d,"pipe")) |
2f3197b3 | 1114 | FOP22(O_PIPE_OP); |
a687059c | 1115 | break; |
378cc40b LW |
1116 | case 'q': case 'Q': |
1117 | SNARFWORD; | |
a687059c | 1118 | if (strEQ(d,"q")) { |
2f3197b3 | 1119 | s = scanstr(s-1, SCAN_DEF); |
a687059c LW |
1120 | TERM(RSTRING); |
1121 | } | |
1122 | if (strEQ(d,"qq")) { | |
2f3197b3 | 1123 | s = scanstr(s-2, SCAN_DEF); |
a687059c LW |
1124 | TERM(RSTRING); |
1125 | } | |
fe14fcc3 | 1126 | if (strEQ(d,"qx")) { |
2f3197b3 | 1127 | s = scanstr(s-2, SCAN_DEF); |
fe14fcc3 LW |
1128 | TERM(RSTRING); |
1129 | } | |
a687059c | 1130 | break; |
378cc40b LW |
1131 | case 'r': case 'R': |
1132 | SNARFWORD; | |
a687059c | 1133 | if (strEQ(d,"return")) |
9f68db38 | 1134 | OLDLOP(O_RETURN); |
e929a76b LW |
1135 | if (strEQ(d,"require")) { |
1136 | allstabs = TRUE; /* must initialize everything since */ | |
1137 | UNI(O_REQUIRE); /* we don't know what will be used */ | |
1138 | } | |
378cc40b LW |
1139 | if (strEQ(d,"reset")) |
1140 | UNI(O_RESET); | |
1141 | if (strEQ(d,"redo")) | |
1142 | LOOPX(O_REDO); | |
1143 | if (strEQ(d,"rename")) | |
1144 | FUN2(O_RENAME); | |
a687059c LW |
1145 | if (strEQ(d,"rand")) |
1146 | UNI(O_RAND); | |
1147 | if (strEQ(d,"rmdir")) | |
1148 | UNI(O_RMDIR); | |
1149 | if (strEQ(d,"rindex")) | |
395c3793 | 1150 | FUN2x(O_RINDEX); |
a687059c LW |
1151 | if (strEQ(d,"read")) |
1152 | FOP3(O_READ); | |
1153 | if (strEQ(d,"readdir")) | |
1154 | FOP(O_READDIR); | |
1155 | if (strEQ(d,"rewinddir")) | |
1156 | FOP(O_REWINDDIR); | |
1157 | if (strEQ(d,"recv")) | |
1158 | FOP4(O_RECV); | |
1159 | if (strEQ(d,"reverse")) | |
1160 | LOP(O_REVERSE); | |
1161 | if (strEQ(d,"readlink")) | |
1162 | UNI(O_READLINK); | |
1163 | break; | |
378cc40b | 1164 | case 's': case 'S': |
663a0e37 LW |
1165 | if (s[1] == '\'') { |
1166 | d = "s"; | |
1167 | s++; | |
1168 | } | |
1169 | else { | |
1170 | SNARFWORD; | |
1171 | } | |
378cc40b LW |
1172 | if (strEQ(d,"s")) { |
1173 | s = scansubst(s); | |
a687059c LW |
1174 | if (yylval.arg) |
1175 | TERM(SUBST); | |
1176 | else | |
1177 | RETURN(1); /* force error */ | |
1178 | } | |
1179 | switch (d[1]) { | |
1180 | case 'a': | |
1181 | case 'b': | |
395c3793 | 1182 | break; |
a687059c | 1183 | case 'c': |
395c3793 LW |
1184 | if (strEQ(d,"scalar")) |
1185 | UNI(O_SCALAR); | |
1186 | break; | |
a687059c LW |
1187 | case 'd': |
1188 | break; | |
1189 | case 'e': | |
1190 | if (strEQ(d,"select")) | |
e929a76b | 1191 | OPERATOR(SSELECT); |
a687059c LW |
1192 | if (strEQ(d,"seek")) |
1193 | FOP3(O_SEEK); | |
395c3793 LW |
1194 | if (strEQ(d,"semctl")) |
1195 | FUN4(O_SEMCTL); | |
1196 | if (strEQ(d,"semget")) | |
1197 | FUN3(O_SEMGET); | |
1198 | if (strEQ(d,"semop")) | |
1199 | FUN2(O_SEMOP); | |
a687059c LW |
1200 | if (strEQ(d,"send")) |
1201 | FOP3(O_SEND); | |
1202 | if (strEQ(d,"setpgrp")) | |
1203 | FUN2(O_SETPGRP); | |
1204 | if (strEQ(d,"setpriority")) | |
1205 | FUN3(O_SETPRIORITY); | |
1206 | if (strEQ(d,"sethostent")) | |
1207 | FUN1(O_SHOSTENT); | |
1208 | if (strEQ(d,"setnetent")) | |
1209 | FUN1(O_SNETENT); | |
1210 | if (strEQ(d,"setservent")) | |
1211 | FUN1(O_SSERVENT); | |
1212 | if (strEQ(d,"setprotoent")) | |
1213 | FUN1(O_SPROTOENT); | |
1214 | if (strEQ(d,"setpwent")) | |
1215 | FUN0(O_SPWENT); | |
1216 | if (strEQ(d,"setgrent")) | |
1217 | FUN0(O_SGRENT); | |
1218 | if (strEQ(d,"seekdir")) | |
1219 | FOP2(O_SEEKDIR); | |
1220 | if (strEQ(d,"setsockopt")) | |
1221 | FOP4(O_SSOCKOPT); | |
1222 | break; | |
1223 | case 'f': | |
1224 | case 'g': | |
1225 | break; | |
1226 | case 'h': | |
1227 | if (strEQ(d,"shift")) | |
1228 | TERM(SHIFT); | |
395c3793 LW |
1229 | if (strEQ(d,"shmctl")) |
1230 | FUN3(O_SHMCTL); | |
1231 | if (strEQ(d,"shmget")) | |
1232 | FUN3(O_SHMGET); | |
1233 | if (strEQ(d,"shmread")) | |
1234 | FUN4(O_SHMREAD); | |
1235 | if (strEQ(d,"shmwrite")) | |
1236 | FUN4(O_SHMWRITE); | |
a687059c LW |
1237 | if (strEQ(d,"shutdown")) |
1238 | FOP2(O_SHUTDOWN); | |
1239 | break; | |
1240 | case 'i': | |
1241 | if (strEQ(d,"sin")) | |
1242 | UNI(O_SIN); | |
1243 | break; | |
1244 | case 'j': | |
1245 | case 'k': | |
1246 | break; | |
1247 | case 'l': | |
1248 | if (strEQ(d,"sleep")) | |
1249 | UNI(O_SLEEP); | |
1250 | break; | |
1251 | case 'm': | |
1252 | case 'n': | |
1253 | break; | |
1254 | case 'o': | |
1255 | if (strEQ(d,"socket")) | |
1256 | FOP4(O_SOCKET); | |
1257 | if (strEQ(d,"socketpair")) | |
e929a76b | 1258 | FOP25(O_SOCKPAIR); |
a687059c | 1259 | if (strEQ(d,"sort")) { |
2f3197b3 | 1260 | checkcomma(s,d,"subroutine name"); |
a687059c | 1261 | d = bufend; |
de3bb511 | 1262 | while (s < d && isSPACE(*s)) s++; |
a687059c LW |
1263 | if (*s == ';' || *s == ')') /* probably a close */ |
1264 | fatal("sort is now a reserved word"); | |
de3bb511 LW |
1265 | if (isALPHA(*s) || *s == '_') { |
1266 | /*SUPPRESS 530*/ | |
1267 | for (d = s; isALNUM(*d); d++) ; | |
03a14243 | 1268 | strncpy(tokenbuf,s,d-s); |
2f3197b3 | 1269 | tokenbuf[d-s] = '\0'; |
03a14243 LW |
1270 | if (strNE(tokenbuf,"keys") && |
1271 | strNE(tokenbuf,"values") && | |
1272 | strNE(tokenbuf,"split") && | |
1273 | strNE(tokenbuf,"grep") && | |
1274 | strNE(tokenbuf,"readdir") && | |
1275 | strNE(tokenbuf,"unpack") && | |
1276 | strNE(tokenbuf,"do") && | |
de3bb511 LW |
1277 | strNE(tokenbuf,"eval") && |
1278 | (d >= bufend || isSPACE(*d)) ) | |
a687059c LW |
1279 | *(--s) = '\\'; /* force next ident to WORD */ |
1280 | } | |
1281 | LOP(O_SORT); | |
1282 | } | |
1283 | break; | |
1284 | case 'p': | |
1285 | if (strEQ(d,"split")) | |
1286 | TERM(SPLIT); | |
1287 | if (strEQ(d,"sprintf")) | |
1288 | FL(O_SPRINTF); | |
79a0689e LW |
1289 | if (strEQ(d,"splice")) { |
1290 | yylval.ival = O_SPLICE; | |
1291 | OPERATOR(PUSH); | |
1292 | } | |
a687059c LW |
1293 | break; |
1294 | case 'q': | |
1295 | if (strEQ(d,"sqrt")) | |
1296 | UNI(O_SQRT); | |
1297 | break; | |
1298 | case 'r': | |
1299 | if (strEQ(d,"srand")) | |
1300 | UNI(O_SRAND); | |
1301 | break; | |
1302 | case 's': | |
1303 | break; | |
1304 | case 't': | |
1305 | if (strEQ(d,"stat")) | |
1306 | FOP(O_STAT); | |
1307 | if (strEQ(d,"study")) { | |
1308 | sawstudy++; | |
1309 | LFUN(O_STUDY); | |
1310 | } | |
1311 | break; | |
1312 | case 'u': | |
1313 | if (strEQ(d,"substr")) | |
395c3793 | 1314 | FUN2x(O_SUBSTR); |
a687059c | 1315 | if (strEQ(d,"sub")) { |
de3bb511 | 1316 | yylval.ival = savestack->ary_fill; /* restore stuff on reduce */ |
988174c1 LW |
1317 | savelong(&subline); |
1318 | saveitem(subname); | |
de3bb511 | 1319 | |
e929a76b | 1320 | subline = curcmd->c_line; |
a687059c | 1321 | d = bufend; |
de3bb511 | 1322 | while (s < d && isSPACE(*s)) |
a687059c | 1323 | s++; |
de3bb511 | 1324 | if (isALPHA(*s) || *s == '_' || *s == '\'') { |
988174c1 LW |
1325 | str_sset(subname,curstname); |
1326 | str_ncat(subname,"'",1); | |
1327 | for (d = s+1; isALNUM(*d) || *d == '\''; d++) | |
1328 | /*SUPPRESS 530*/ | |
1329 | ; | |
1330 | if (d[-1] == '\'') | |
1331 | d--; | |
1332 | str_ncat(subname,s,d-s); | |
a687059c LW |
1333 | *(--s) = '\\'; /* force next ident to WORD */ |
1334 | } | |
988174c1 | 1335 | else |
a687059c LW |
1336 | str_set(subname,"?"); |
1337 | OPERATOR(SUB); | |
1338 | } | |
1339 | break; | |
1340 | case 'v': | |
1341 | case 'w': | |
1342 | case 'x': | |
1343 | break; | |
1344 | case 'y': | |
1345 | if (strEQ(d,"system")) { | |
1346 | set_csh(); | |
1347 | LOP(O_SYSTEM); | |
1348 | } | |
1349 | if (strEQ(d,"symlink")) | |
1350 | FUN2(O_SYMLINK); | |
1351 | if (strEQ(d,"syscall")) | |
1352 | LOP(O_SYSCALL); | |
395c3793 LW |
1353 | if (strEQ(d,"sysread")) |
1354 | FOP3(O_SYSREAD); | |
1355 | if (strEQ(d,"syswrite")) | |
1356 | FOP3(O_SYSWRITE); | |
a687059c LW |
1357 | break; |
1358 | case 'z': | |
1359 | break; | |
1360 | } | |
1361 | break; | |
378cc40b LW |
1362 | case 't': case 'T': |
1363 | SNARFWORD; | |
1364 | if (strEQ(d,"tr")) { | |
1365 | s = scantrans(s); | |
a687059c LW |
1366 | if (yylval.arg) |
1367 | TERM(TRANS); | |
1368 | else | |
1369 | RETURN(1); /* force error */ | |
378cc40b LW |
1370 | } |
1371 | if (strEQ(d,"tell")) | |
a687059c LW |
1372 | FOP(O_TELL); |
1373 | if (strEQ(d,"telldir")) | |
1374 | FOP(O_TELLDIR); | |
378cc40b LW |
1375 | if (strEQ(d,"time")) |
1376 | FUN0(O_TIME); | |
1377 | if (strEQ(d,"times")) | |
1378 | FUN0(O_TMS); | |
e929a76b LW |
1379 | if (strEQ(d,"truncate")) |
1380 | FOP2(O_TRUNCATE); | |
a687059c | 1381 | break; |
378cc40b LW |
1382 | case 'u': case 'U': |
1383 | SNARFWORD; | |
1384 | if (strEQ(d,"using")) | |
1385 | OPERATOR(USING); | |
1386 | if (strEQ(d,"until")) { | |
e929a76b | 1387 | yylval.ival = curcmd->c_line; |
378cc40b LW |
1388 | OPERATOR(UNTIL); |
1389 | } | |
1390 | if (strEQ(d,"unless")) { | |
e929a76b | 1391 | yylval.ival = curcmd->c_line; |
378cc40b LW |
1392 | OPERATOR(UNLESS); |
1393 | } | |
a687059c LW |
1394 | if (strEQ(d,"unlink")) |
1395 | LOP(O_UNLINK); | |
1396 | if (strEQ(d,"undef")) | |
1397 | LFUN(O_UNDEF); | |
1398 | if (strEQ(d,"unpack")) | |
1399 | FUN2(O_UNPACK); | |
1400 | if (strEQ(d,"utime")) | |
1401 | LOP(O_UTIME); | |
378cc40b | 1402 | if (strEQ(d,"umask")) |
a687059c | 1403 | UNI(O_UMASK); |
378cc40b LW |
1404 | if (strEQ(d,"unshift")) { |
1405 | yylval.ival = O_UNSHIFT; | |
1406 | OPERATOR(PUSH); | |
1407 | } | |
a687059c | 1408 | break; |
378cc40b LW |
1409 | case 'v': case 'V': |
1410 | SNARFWORD; | |
1411 | if (strEQ(d,"values")) | |
a687059c LW |
1412 | HFUN(O_VALUES); |
1413 | if (strEQ(d,"vec")) { | |
1414 | sawvec = TRUE; | |
1415 | FUN3(O_VEC); | |
1416 | } | |
1417 | break; | |
378cc40b LW |
1418 | case 'w': case 'W': |
1419 | SNARFWORD; | |
378cc40b | 1420 | if (strEQ(d,"while")) { |
e929a76b | 1421 | yylval.ival = curcmd->c_line; |
378cc40b LW |
1422 | OPERATOR(WHILE); |
1423 | } | |
a687059c LW |
1424 | if (strEQ(d,"warn")) |
1425 | LOP(O_WARN); | |
378cc40b LW |
1426 | if (strEQ(d,"wait")) |
1427 | FUN0(O_WAIT); | |
395c3793 LW |
1428 | if (strEQ(d,"waitpid")) |
1429 | FUN2(O_WAITPID); | |
a687059c LW |
1430 | if (strEQ(d,"wantarray")) { |
1431 | yylval.arg = op_new(1); | |
1432 | yylval.arg->arg_type = O_ITEM; | |
1433 | yylval.arg[1].arg_type = A_WANTARRAY; | |
1434 | TERM(RSTRING); | |
1435 | } | |
1436 | if (strEQ(d,"write")) | |
1437 | FOP(O_WRITE); | |
1438 | break; | |
378cc40b | 1439 | case 'x': case 'X': |
2f3197b3 LW |
1440 | if (*s == 'x' && isDIGIT(s[1]) && !expectterm) { |
1441 | s++; | |
a687059c | 1442 | MOP(O_REPEAT); |
2f3197b3 LW |
1443 | } |
1444 | SNARFWORD; | |
1445 | if (strEQ(d,"x")) { | |
1446 | if (!expectterm) | |
1447 | MOP(O_REPEAT); | |
1448 | check_uni(); | |
1449 | } | |
a687059c | 1450 | break; |
378cc40b | 1451 | case 'y': case 'Y': |
663a0e37 LW |
1452 | if (s[1] == '\'') { |
1453 | d = "y"; | |
1454 | s++; | |
1455 | } | |
1456 | else { | |
1457 | SNARFWORD; | |
1458 | } | |
378cc40b LW |
1459 | if (strEQ(d,"y")) { |
1460 | s = scantrans(s); | |
1461 | TERM(TRANS); | |
1462 | } | |
a687059c | 1463 | break; |
378cc40b LW |
1464 | case 'z': case 'Z': |
1465 | SNARFWORD; | |
a687059c LW |
1466 | break; |
1467 | } | |
1468 | yylval.cval = savestr(d); | |
2f3197b3 LW |
1469 | if (expectterm == 2) { /* special case: start of statement */ |
1470 | while (isSPACE(*s)) s++; | |
1471 | if (*s == ':') { | |
1472 | s++; | |
1473 | CLINE; | |
1474 | OPERATOR(LABEL); | |
1475 | } | |
1476 | TERM(WORD); | |
1477 | } | |
a687059c LW |
1478 | expectterm = FALSE; |
1479 | if (oldoldbufptr && oldoldbufptr < bufptr) { | |
de3bb511 | 1480 | while (isSPACE(*oldoldbufptr)) |
a687059c LW |
1481 | oldoldbufptr++; |
1482 | if (*oldoldbufptr == 'p' && strnEQ(oldoldbufptr,"print",5)) | |
1483 | expectterm = TRUE; | |
1484 | else if (*oldoldbufptr == 's' && strnEQ(oldoldbufptr,"sort",4)) | |
1485 | expectterm = TRUE; | |
1486 | } | |
1487 | return (CLINE, bufptr = s, (int)WORD); | |
1488 | } | |
1489 | ||
fe14fcc3 | 1490 | void |
2f3197b3 | 1491 | checkcomma(s,name,what) |
a687059c | 1492 | register char *s; |
2f3197b3 | 1493 | char *name; |
a687059c LW |
1494 | char *what; |
1495 | { | |
2f3197b3 LW |
1496 | char *w; |
1497 | ||
1498 | if (dowarn && *s == ' ' && s[1] == '(') { | |
1499 | w = index(s,')'); | |
1500 | if (w) | |
1501 | for (w++; *w && isSPACE(*w); w++) ; | |
1502 | if (!w || !*w || !index(";|}", *w)) /* an advisory hack only... */ | |
1503 | warn("%s (...) interpreted as function",name); | |
1504 | } | |
1505 | while (s < bufend && isSPACE(*s)) | |
1506 | s++; | |
a687059c LW |
1507 | if (*s == '(') |
1508 | s++; | |
de3bb511 | 1509 | while (s < bufend && isSPACE(*s)) |
a687059c | 1510 | s++; |
de3bb511 | 1511 | if (isALPHA(*s) || *s == '_') { |
2f3197b3 | 1512 | w = s++; |
de3bb511 | 1513 | while (isALNUM(*s)) |
a687059c | 1514 | s++; |
de3bb511 | 1515 | while (s < bufend && isSPACE(*s)) |
a687059c | 1516 | s++; |
e929a76b LW |
1517 | if (*s == ',') { |
1518 | *s = '\0'; | |
2f3197b3 | 1519 | w = instr( |
e929a76b LW |
1520 | "tell eof times getlogin wait length shift umask getppid \ |
1521 | cos exp int log rand sin sqrt ord wantarray", | |
2f3197b3 | 1522 | w); |
e929a76b | 1523 | *s = ','; |
2f3197b3 | 1524 | if (w) |
e929a76b | 1525 | return; |
a687059c | 1526 | fatal("No comma allowed after %s", what); |
e929a76b | 1527 | } |
378cc40b LW |
1528 | } |
1529 | } | |
1530 | ||
1531 | char * | |
fe14fcc3 | 1532 | scanident(s,send,dest) |
378cc40b | 1533 | register char *s; |
a687059c | 1534 | register char *send; |
378cc40b LW |
1535 | char *dest; |
1536 | { | |
1537 | register char *d; | |
a687059c | 1538 | int brackets = 0; |
378cc40b | 1539 | |
a687059c | 1540 | reparse = Nullch; |
378cc40b LW |
1541 | s++; |
1542 | d = dest; | |
de3bb511 LW |
1543 | if (isDIGIT(*s)) { |
1544 | while (isDIGIT(*s)) | |
378cc40b LW |
1545 | *d++ = *s++; |
1546 | } | |
1547 | else { | |
de3bb511 | 1548 | while (isALNUM(*s) || *s == '\'') |
378cc40b LW |
1549 | *d++ = *s++; |
1550 | } | |
663a0e37 | 1551 | while (d > dest+1 && d[-1] == '\'') |
a687059c | 1552 | d--,s--; |
378cc40b LW |
1553 | *d = '\0'; |
1554 | d = dest; | |
1555 | if (!*d) { | |
1556 | *d = *s++; | |
a687059c | 1557 | if (*d == '{' /* } */ ) { |
378cc40b | 1558 | d = dest; |
a687059c LW |
1559 | brackets++; |
1560 | while (s < send && brackets) { | |
de3bb511 | 1561 | if (!reparse && (d == dest || (*s && isALNUM(*s) ))) { |
a687059c LW |
1562 | *d++ = *s++; |
1563 | continue; | |
1564 | } | |
1565 | else if (!reparse) | |
1566 | reparse = s; | |
1567 | switch (*s++) { | |
1568 | /* { */ | |
1569 | case '}': | |
1570 | brackets--; | |
1571 | if (reparse && reparse == s - 1) | |
1572 | reparse = Nullch; | |
1573 | break; | |
1574 | case '{': /* } */ | |
1575 | brackets++; | |
1576 | break; | |
1577 | } | |
1578 | } | |
378cc40b LW |
1579 | *d = '\0'; |
1580 | d = dest; | |
378cc40b LW |
1581 | } |
1582 | else | |
1583 | d[1] = '\0'; | |
1584 | } | |
de3bb511 LW |
1585 | if (*d == '^' && (isUPPER(*s) || index("[\\]^_?", *s))) { |
1586 | #ifdef DEBUGGING | |
1587 | if (*s == 'D') | |
1588 | debug |= 32768; | |
1589 | #endif | |
fe14fcc3 | 1590 | *d = *s++ ^ 64; |
de3bb511 | 1591 | } |
378cc40b LW |
1592 | return s; |
1593 | } | |
1594 | ||
de3bb511 | 1595 | void |
d48672a2 LW |
1596 | scanconst(spat,string,len) |
1597 | SPAT *spat; | |
378cc40b | 1598 | char *string; |
a687059c | 1599 | int len; |
378cc40b | 1600 | { |
de3bb511 | 1601 | register STR *tmpstr; |
378cc40b LW |
1602 | register char *t; |
1603 | register char *d; | |
a687059c | 1604 | register char *e; |
d48672a2 LW |
1605 | char *origstring = string; |
1606 | static char *vert = "|"; | |
378cc40b | 1607 | |
d48672a2 | 1608 | if (ninstr(string, string+len, vert, vert+1)) |
de3bb511 | 1609 | return; |
d48672a2 LW |
1610 | if (*string == '^') |
1611 | string++, len--; | |
de3bb511 LW |
1612 | tmpstr = Str_new(86,len); |
1613 | str_nset(tmpstr,string,len); | |
1614 | t = str_get(tmpstr); | |
a687059c | 1615 | e = t + len; |
de3bb511 | 1616 | tmpstr->str_u.str_useful = 100; |
a687059c | 1617 | for (d=t; d < e; ) { |
378cc40b | 1618 | switch (*d) { |
a687059c | 1619 | case '{': |
de3bb511 | 1620 | if (isDIGIT(d[1])) |
a687059c LW |
1621 | e = d; |
1622 | else | |
1623 | goto defchar; | |
1624 | break; | |
1625 | case '.': case '[': case '$': case '(': case ')': case '|': case '+': | |
de3bb511 | 1626 | case '^': |
a687059c | 1627 | e = d; |
378cc40b LW |
1628 | break; |
1629 | case '\\': | |
de3bb511 | 1630 | if (d[1] && index("wWbB0123456789sSdDlLuUExc",d[1])) { |
a687059c | 1631 | e = d; |
378cc40b LW |
1632 | break; |
1633 | } | |
2f3197b3 | 1634 | Move(d+1,d,e-d,char); |
a687059c | 1635 | e--; |
378cc40b LW |
1636 | switch(*d) { |
1637 | case 'n': | |
1638 | *d = '\n'; | |
1639 | break; | |
1640 | case 't': | |
1641 | *d = '\t'; | |
1642 | break; | |
1643 | case 'f': | |
1644 | *d = '\f'; | |
1645 | break; | |
1646 | case 'r': | |
1647 | *d = '\r'; | |
1648 | break; | |
fe14fcc3 LW |
1649 | case 'e': |
1650 | *d = '\033'; | |
1651 | break; | |
1652 | case 'a': | |
1653 | *d = '\007'; | |
1654 | break; | |
378cc40b LW |
1655 | } |
1656 | /* FALL THROUGH */ | |
1657 | default: | |
a687059c LW |
1658 | defchar: |
1659 | if (d[1] == '*' || (d[1] == '{' && d[2] == '0') || d[1] == '?') { | |
1660 | e = d; | |
378cc40b LW |
1661 | break; |
1662 | } | |
1663 | d++; | |
1664 | } | |
1665 | } | |
a687059c | 1666 | if (d == t) { |
de3bb511 LW |
1667 | str_free(tmpstr); |
1668 | return; | |
378cc40b | 1669 | } |
a687059c | 1670 | *d = '\0'; |
de3bb511 | 1671 | tmpstr->str_cur = d - t; |
d48672a2 LW |
1672 | if (d == t+len) |
1673 | spat->spat_flags |= SPAT_ALL; | |
1674 | if (*origstring != '^') | |
1675 | spat->spat_flags |= SPAT_SCANFIRST; | |
de3bb511 | 1676 | spat->spat_short = tmpstr; |
d48672a2 | 1677 | spat->spat_slen = d - t; |
378cc40b LW |
1678 | } |
1679 | ||
1680 | char * | |
1681 | scanpat(s) | |
1682 | register char *s; | |
1683 | { | |
a687059c | 1684 | register SPAT *spat; |
378cc40b | 1685 | register char *d; |
a687059c LW |
1686 | register char *e; |
1687 | int len; | |
1688 | SPAT savespat; | |
395c3793 | 1689 | STR *str = Str_new(93,0); |
1462b684 | 1690 | char delim; |
378cc40b | 1691 | |
a687059c LW |
1692 | Newz(801,spat,1,SPAT); |
1693 | spat->spat_next = curstash->tbl_spatroot; /* link into spat list */ | |
1694 | curstash->tbl_spatroot = spat; | |
378cc40b LW |
1695 | |
1696 | switch (*s++) { | |
1697 | case 'm': | |
1698 | s++; | |
1699 | break; | |
1700 | case '/': | |
1701 | break; | |
1702 | case '?': | |
1703 | spat->spat_flags |= SPAT_ONCE; | |
1704 | break; | |
1705 | default: | |
1706 | fatal("panic: scanpat"); | |
1707 | } | |
395c3793 | 1708 | s = str_append_till(str,s,bufend,s[-1],patleave); |
a687059c | 1709 | if (s >= bufend) { |
395c3793 | 1710 | str_free(str); |
a687059c LW |
1711 | yyerror("Search pattern not terminated"); |
1712 | yylval.arg = Nullarg; | |
1713 | return s; | |
1714 | } | |
1462b684 | 1715 | delim = *s++; |
d48672a2 | 1716 | while (*s == 'i' || *s == 'o' || *s == 'g') { |
a687059c LW |
1717 | if (*s == 'i') { |
1718 | s++; | |
1719 | sawi = TRUE; | |
1720 | spat->spat_flags |= SPAT_FOLD; | |
1721 | } | |
1722 | if (*s == 'o') { | |
1723 | s++; | |
1724 | spat->spat_flags |= SPAT_KEEP; | |
1725 | } | |
d48672a2 LW |
1726 | if (*s == 'g') { |
1727 | s++; | |
1728 | spat->spat_flags |= SPAT_GLOBAL; | |
1729 | } | |
378cc40b | 1730 | } |
395c3793 LW |
1731 | len = str->str_cur; |
1732 | e = str->str_ptr + len; | |
1462b684 LW |
1733 | if (delim == '\'') |
1734 | d = e; | |
1735 | else | |
1736 | d = str->str_ptr; | |
1737 | for (; d < e; d++) { | |
e929a76b LW |
1738 | if (*d == '\\') |
1739 | d++; | |
1740 | else if ((*d == '$' && d[1] && d[1] != '|' && d[1] != ')') || | |
1741 | (*d == '@')) { | |
378cc40b LW |
1742 | register ARG *arg; |
1743 | ||
1744 | spat->spat_runtime = arg = op_new(1); | |
1745 | arg->arg_type = O_ITEM; | |
1746 | arg[1].arg_type = A_DOUBLE; | |
395c3793 | 1747 | arg[1].arg_ptr.arg_str = str_smake(str); |
fe14fcc3 | 1748 | d = scanident(d,bufend,buf); |
a687059c LW |
1749 | (void)stabent(buf,TRUE); /* make sure it's created */ |
1750 | for (; d < e; d++) { | |
e929a76b LW |
1751 | if (*d == '\\') |
1752 | d++; | |
1753 | else if (*d == '$' && d[1] && d[1] != '|' && d[1] != ')') { | |
fe14fcc3 | 1754 | d = scanident(d,bufend,buf); |
a687059c LW |
1755 | (void)stabent(buf,TRUE); |
1756 | } | |
e929a76b | 1757 | else if (*d == '@') { |
fe14fcc3 | 1758 | d = scanident(d,bufend,buf); |
a687059c LW |
1759 | if (strEQ(buf,"ARGV") || strEQ(buf,"ENV") || |
1760 | strEQ(buf,"SIG") || strEQ(buf,"INC")) | |
1761 | (void)stabent(buf,TRUE); | |
1762 | } | |
1763 | } | |
378cc40b LW |
1764 | goto got_pat; /* skip compiling for now */ |
1765 | } | |
1766 | } | |
a687059c | 1767 | if (spat->spat_flags & SPAT_FOLD) |
2f3197b3 | 1768 | StructCopy(spat, &savespat, SPAT); |
d48672a2 | 1769 | scanconst(spat,str->str_ptr,len); |
a687059c LW |
1770 | if ((spat->spat_flags & SPAT_ALL) && (spat->spat_flags & SPAT_SCANFIRST)) { |
1771 | fbmcompile(spat->spat_short, spat->spat_flags & SPAT_FOLD); | |
395c3793 | 1772 | spat->spat_regexp = regcomp(str->str_ptr,str->str_ptr+len, |
e929a76b | 1773 | spat->spat_flags & SPAT_FOLD); |
a687059c LW |
1774 | /* Note that this regexp can still be used if someone says |
1775 | * something like /a/ && s//b/; so we can't delete it. | |
1776 | */ | |
1777 | } | |
1778 | else { | |
1779 | if (spat->spat_flags & SPAT_FOLD) | |
2f3197b3 | 1780 | StructCopy(&savespat, spat, SPAT); |
a687059c LW |
1781 | if (spat->spat_short) |
1782 | fbmcompile(spat->spat_short, spat->spat_flags & SPAT_FOLD); | |
395c3793 | 1783 | spat->spat_regexp = regcomp(str->str_ptr,str->str_ptr+len, |
fe14fcc3 | 1784 | spat->spat_flags & SPAT_FOLD); |
a687059c LW |
1785 | hoistmust(spat); |
1786 | } | |
378cc40b | 1787 | got_pat: |
395c3793 | 1788 | str_free(str); |
378cc40b LW |
1789 | yylval.arg = make_match(O_MATCH,stab2arg(A_STAB,defstab),spat); |
1790 | return s; | |
1791 | } | |
1792 | ||
1793 | char * | |
2f3197b3 LW |
1794 | scansubst(start) |
1795 | char *start; | |
378cc40b | 1796 | { |
2f3197b3 | 1797 | register char *s = start; |
a687059c | 1798 | register SPAT *spat; |
378cc40b | 1799 | register char *d; |
a687059c LW |
1800 | register char *e; |
1801 | int len; | |
395c3793 | 1802 | STR *str = Str_new(93,0); |
2f3197b3 LW |
1803 | char term = *s; |
1804 | ||
1805 | if (term && (d = index("([{< )]}> )]}>",term))) | |
1806 | term = d[5]; | |
378cc40b | 1807 | |
a687059c LW |
1808 | Newz(802,spat,1,SPAT); |
1809 | spat->spat_next = curstash->tbl_spatroot; /* link into spat list */ | |
1810 | curstash->tbl_spatroot = spat; | |
378cc40b | 1811 | |
2f3197b3 | 1812 | s = str_append_till(str,s+1,bufend,term,patleave); |
a687059c | 1813 | if (s >= bufend) { |
395c3793 | 1814 | str_free(str); |
a687059c LW |
1815 | yyerror("Substitution pattern not terminated"); |
1816 | yylval.arg = Nullarg; | |
1817 | return s; | |
1818 | } | |
395c3793 LW |
1819 | len = str->str_cur; |
1820 | e = str->str_ptr + len; | |
1821 | for (d = str->str_ptr; d < e; d++) { | |
1822 | if (*d == '\\') | |
1823 | d++; | |
1824 | else if ((*d == '$' && d[1] && d[1] != '|' && /*(*/ d[1] != ')') || | |
1825 | *d == '@' ) { | |
378cc40b LW |
1826 | register ARG *arg; |
1827 | ||
1828 | spat->spat_runtime = arg = op_new(1); | |
1829 | arg->arg_type = O_ITEM; | |
1830 | arg[1].arg_type = A_DOUBLE; | |
395c3793 | 1831 | arg[1].arg_ptr.arg_str = str_smake(str); |
de3bb511 | 1832 | d = scanident(d,e,buf); |
a687059c LW |
1833 | (void)stabent(buf,TRUE); /* make sure it's created */ |
1834 | for (; *d; d++) { | |
1835 | if (*d == '$' && d[1] && d[-1] != '\\' && d[1] != '|') { | |
de3bb511 | 1836 | d = scanident(d,e,buf); |
a687059c LW |
1837 | (void)stabent(buf,TRUE); |
1838 | } | |
1839 | else if (*d == '@' && d[-1] != '\\') { | |
de3bb511 | 1840 | d = scanident(d,e,buf); |
a687059c LW |
1841 | if (strEQ(buf,"ARGV") || strEQ(buf,"ENV") || |
1842 | strEQ(buf,"SIG") || strEQ(buf,"INC")) | |
1843 | (void)stabent(buf,TRUE); | |
1844 | } | |
1845 | } | |
378cc40b LW |
1846 | goto get_repl; /* skip compiling for now */ |
1847 | } | |
1848 | } | |
d48672a2 | 1849 | scanconst(spat,str->str_ptr,len); |
378cc40b | 1850 | get_repl: |
2f3197b3 LW |
1851 | if (term != *start) |
1852 | s++; | |
1853 | s = scanstr(s, SCAN_REPL); | |
a687059c | 1854 | if (s >= bufend) { |
395c3793 | 1855 | str_free(str); |
a687059c LW |
1856 | yyerror("Substitution replacement not terminated"); |
1857 | yylval.arg = Nullarg; | |
1858 | return s; | |
1859 | } | |
378cc40b | 1860 | spat->spat_repl = yylval.arg; |
a687059c LW |
1861 | if ((spat->spat_repl[1].arg_type & A_MASK) == A_SINGLE) |
1862 | spat->spat_flags |= SPAT_CONST; | |
1863 | else if ((spat->spat_repl[1].arg_type & A_MASK) == A_DOUBLE) { | |
1864 | STR *tmpstr; | |
1865 | register char *t; | |
1866 | ||
1867 | spat->spat_flags |= SPAT_CONST; | |
1868 | tmpstr = spat->spat_repl[1].arg_ptr.arg_str; | |
1869 | e = tmpstr->str_ptr + tmpstr->str_cur; | |
1870 | for (t = tmpstr->str_ptr; t < e; t++) { | |
9f68db38 | 1871 | if (*t == '$' && t[1] && (index("`'&+0123456789",t[1]) || |
de3bb511 | 1872 | (t[1] == '{' /*}*/ && isDIGIT(t[2])) )) |
a687059c LW |
1873 | spat->spat_flags &= ~SPAT_CONST; |
1874 | } | |
1875 | } | |
1876 | while (*s == 'g' || *s == 'i' || *s == 'e' || *s == 'o') { | |
2f3197b3 LW |
1877 | int es = 0; |
1878 | ||
a687059c LW |
1879 | if (*s == 'e') { |
1880 | s++; | |
2f3197b3 | 1881 | es++; |
a687059c LW |
1882 | if ((spat->spat_repl[1].arg_type & A_MASK) == A_DOUBLE) |
1883 | spat->spat_repl[1].arg_type = A_SINGLE; | |
de3bb511 | 1884 | spat->spat_repl = make_op( |
2f3197b3 LW |
1885 | (!es && spat->spat_repl[1].arg_type == A_SINGLE |
1886 | ? O_EVALONCE | |
1887 | : O_EVAL), | |
de3bb511 | 1888 | 2, |
a687059c LW |
1889 | spat->spat_repl, |
1890 | Nullarg, | |
395c3793 | 1891 | Nullarg); |
a687059c LW |
1892 | spat->spat_flags &= ~SPAT_CONST; |
1893 | } | |
378cc40b LW |
1894 | if (*s == 'g') { |
1895 | s++; | |
d48672a2 | 1896 | spat->spat_flags |= SPAT_GLOBAL; |
378cc40b LW |
1897 | } |
1898 | if (*s == 'i') { | |
1899 | s++; | |
a687059c | 1900 | sawi = TRUE; |
378cc40b | 1901 | spat->spat_flags |= SPAT_FOLD; |
a687059c LW |
1902 | if (!(spat->spat_flags & SPAT_SCANFIRST)) { |
1903 | str_free(spat->spat_short); /* anchored opt doesn't do */ | |
1904 | spat->spat_short = Nullstr; /* case insensitive match */ | |
1905 | spat->spat_slen = 0; | |
1906 | } | |
1907 | } | |
1908 | if (*s == 'o') { | |
1909 | s++; | |
1910 | spat->spat_flags |= SPAT_KEEP; | |
378cc40b LW |
1911 | } |
1912 | } | |
a687059c LW |
1913 | if (spat->spat_short && (spat->spat_flags & SPAT_SCANFIRST)) |
1914 | fbmcompile(spat->spat_short, spat->spat_flags & SPAT_FOLD); | |
378cc40b | 1915 | if (!spat->spat_runtime) { |
395c3793 | 1916 | spat->spat_regexp = regcomp(str->str_ptr,str->str_ptr+len, |
fe14fcc3 | 1917 | spat->spat_flags & SPAT_FOLD); |
378cc40b | 1918 | hoistmust(spat); |
378cc40b LW |
1919 | } |
1920 | yylval.arg = make_match(O_SUBST,stab2arg(A_STAB,defstab),spat); | |
395c3793 | 1921 | str_free(str); |
378cc40b LW |
1922 | return s; |
1923 | } | |
1924 | ||
1462b684 | 1925 | void |
378cc40b LW |
1926 | hoistmust(spat) |
1927 | register SPAT *spat; | |
1928 | { | |
d48672a2 LW |
1929 | if (!spat->spat_short && spat->spat_regexp->regstart && |
1930 | (!spat->spat_regexp->regmust || spat->spat_regexp->reganch & ROPT_ANCH) | |
1931 | ) { | |
d48672a2 LW |
1932 | if (!(spat->spat_regexp->reganch & ROPT_ANCH)) |
1933 | spat->spat_flags |= SPAT_SCANFIRST; | |
1462b684 LW |
1934 | else if (spat->spat_flags & SPAT_FOLD) |
1935 | return; | |
1936 | spat->spat_short = str_smake(spat->spat_regexp->regstart); | |
d48672a2 LW |
1937 | } |
1938 | else if (spat->spat_regexp->regmust) {/* is there a better short-circuit? */ | |
378cc40b | 1939 | if (spat->spat_short && |
a687059c LW |
1940 | str_eq(spat->spat_short,spat->spat_regexp->regmust)) |
1941 | { | |
378cc40b LW |
1942 | if (spat->spat_flags & SPAT_SCANFIRST) { |
1943 | str_free(spat->spat_short); | |
1944 | spat->spat_short = Nullstr; | |
1945 | } | |
1946 | else { | |
1947 | str_free(spat->spat_regexp->regmust); | |
1948 | spat->spat_regexp->regmust = Nullstr; | |
1949 | return; | |
1950 | } | |
1951 | } | |
1952 | if (!spat->spat_short || /* promote the better string */ | |
1953 | ((spat->spat_flags & SPAT_SCANFIRST) && | |
1954 | (spat->spat_short->str_cur < spat->spat_regexp->regmust->str_cur) )){ | |
1955 | str_free(spat->spat_short); /* ok if null */ | |
1956 | spat->spat_short = spat->spat_regexp->regmust; | |
1957 | spat->spat_regexp->regmust = Nullstr; | |
1958 | spat->spat_flags |= SPAT_SCANFIRST; | |
1959 | } | |
1960 | } | |
1961 | } | |
1962 | ||
1963 | char * | |
2f3197b3 LW |
1964 | scantrans(start) |
1965 | char *start; | |
378cc40b | 1966 | { |
2f3197b3 | 1967 | register char *s = start; |
378cc40b | 1968 | ARG *arg = |
a687059c | 1969 | l(make_op(O_TRANS,2,stab2arg(A_STAB,defstab),Nullarg,Nullarg)); |
2f3197b3 LW |
1970 | STR *tstr; |
1971 | STR *rstr; | |
378cc40b LW |
1972 | register char *t; |
1973 | register char *r; | |
395c3793 | 1974 | register short *tbl; |
378cc40b | 1975 | register int i; |
13281fa4 | 1976 | register int j; |
a687059c | 1977 | int tlen, rlen; |
395c3793 LW |
1978 | int squash; |
1979 | int delete; | |
1980 | int complement; | |
378cc40b | 1981 | |
395c3793 | 1982 | New(803,tbl,256,short); |
378cc40b | 1983 | arg[2].arg_type = A_NULL; |
395c3793 | 1984 | arg[2].arg_ptr.arg_cval = (char*) tbl; |
2f3197b3 LW |
1985 | |
1986 | s = scanstr(s, SCAN_TR); | |
a687059c LW |
1987 | if (s >= bufend) { |
1988 | yyerror("Translation pattern not terminated"); | |
1989 | yylval.arg = Nullarg; | |
1990 | return s; | |
1991 | } | |
2f3197b3 LW |
1992 | tstr = yylval.arg[1].arg_ptr.arg_str; |
1993 | yylval.arg[1].arg_ptr.arg_str = Nullstr; | |
fe14fcc3 | 1994 | arg_free(yylval.arg); |
2f3197b3 LW |
1995 | t = tstr->str_ptr; |
1996 | tlen = tstr->str_cur; | |
1997 | ||
1998 | if (s[-1] == *start) | |
1999 | s--; | |
2000 | ||
2001 | s = scanstr(s, SCAN_TR|SCAN_REPL); | |
a687059c LW |
2002 | if (s >= bufend) { |
2003 | yyerror("Translation replacement not terminated"); | |
2004 | yylval.arg = Nullarg; | |
2005 | return s; | |
2006 | } | |
2f3197b3 LW |
2007 | rstr = yylval.arg[1].arg_ptr.arg_str; |
2008 | yylval.arg[1].arg_ptr.arg_str = Nullstr; | |
2009 | arg_free(yylval.arg); | |
2010 | r = rstr->str_ptr; | |
2011 | rlen = rstr->str_cur; | |
2012 | ||
395c3793 LW |
2013 | complement = delete = squash = 0; |
2014 | while (*s == 'c' || *s == 'd' || *s == 's') { | |
2015 | if (*s == 'c') | |
2016 | complement = 1; | |
2017 | else if (*s == 'd') | |
2018 | delete = 2; | |
2019 | else | |
2020 | squash = 1; | |
2021 | s++; | |
2022 | } | |
395c3793 | 2023 | arg[2].arg_len = delete|squash; |
378cc40b | 2024 | yylval.arg = arg; |
395c3793 LW |
2025 | if (complement) { |
2026 | Zero(tbl, 256, short); | |
2027 | for (i = 0; i < tlen; i++) | |
2028 | tbl[t[i] & 0377] = -1; | |
fe14fcc3 | 2029 | for (i = 0, j = 0; i < 256; i++) { |
395c3793 LW |
2030 | if (!tbl[i]) { |
2031 | if (j >= rlen) { | |
fe14fcc3 | 2032 | if (delete) |
395c3793 | 2033 | tbl[i] = -2; |
2f3197b3 LW |
2034 | else if (rlen) |
2035 | tbl[i] = r[j-1] & 0377; | |
fe14fcc3 | 2036 | else |
2f3197b3 | 2037 | tbl[i] = i; |
395c3793 | 2038 | } |
fe14fcc3 | 2039 | else |
2f3197b3 | 2040 | tbl[i] = r[j++] & 0377; |
395c3793 LW |
2041 | } |
2042 | } | |
2043 | } | |
2044 | else { | |
2f3197b3 LW |
2045 | if (!rlen && !delete) { |
2046 | r = t; rlen = tlen; | |
2047 | } | |
395c3793 LW |
2048 | for (i = 0; i < 256; i++) |
2049 | tbl[i] = -1; | |
2050 | for (i = 0, j = 0; i < tlen; i++,j++) { | |
2051 | if (j >= rlen) { | |
2052 | if (delete) { | |
2053 | if (tbl[t[i] & 0377] == -1) | |
2054 | tbl[t[i] & 0377] = -2; | |
2055 | continue; | |
2056 | } | |
2057 | --j; | |
2058 | } | |
2059 | if (tbl[t[i] & 0377] == -1) | |
34de22dd | 2060 | tbl[t[i] & 0377] = r[j] & 0377; |
395c3793 | 2061 | } |
378cc40b | 2062 | } |
2f3197b3 LW |
2063 | str_free(tstr); |
2064 | str_free(rstr); | |
378cc40b LW |
2065 | return s; |
2066 | } | |
2067 | ||
2068 | char * | |
2f3197b3 LW |
2069 | scanstr(start, in_what) |
2070 | char *start; | |
2071 | int in_what; | |
378cc40b | 2072 | { |
2f3197b3 | 2073 | register char *s = start; |
378cc40b LW |
2074 | register char term; |
2075 | register char *d; | |
2076 | register ARG *arg; | |
a687059c | 2077 | register char *send; |
378cc40b LW |
2078 | register bool makesingle = FALSE; |
2079 | register STAB *stab; | |
a687059c LW |
2080 | bool alwaysdollar = FALSE; |
2081 | bool hereis = FALSE; | |
2082 | STR *herewas; | |
e929a76b | 2083 | STR *str; |
2f3197b3 LW |
2084 | /* which backslash sequences to keep */ |
2085 | char *leave = (in_what & SCAN_TR) | |
2086 | ? "\\$@nrtfbeacx0123456789-" | |
2087 | : "\\$@nrtfbeacx0123456789[{]}lLuUE"; | |
a687059c | 2088 | int len; |
378cc40b LW |
2089 | |
2090 | arg = op_new(1); | |
2091 | yylval.arg = arg; | |
2092 | arg->arg_type = O_ITEM; | |
2093 | ||
2094 | switch (*s) { | |
2095 | default: /* a substitution replacement */ | |
2096 | arg[1].arg_type = A_DOUBLE; | |
2097 | makesingle = TRUE; /* maybe disable runtime scanning */ | |
2098 | term = *s; | |
2099 | if (term == '\'') | |
2100 | leave = Nullch; | |
2101 | goto snarf_it; | |
2102 | case '0': | |
2103 | { | |
395c3793 | 2104 | unsigned long i; |
378cc40b LW |
2105 | int shift; |
2106 | ||
2107 | arg[1].arg_type = A_SINGLE; | |
2108 | if (s[1] == 'x') { | |
2109 | shift = 4; | |
2110 | s += 2; | |
2111 | } | |
2112 | else if (s[1] == '.') | |
2113 | goto decimal; | |
2114 | else | |
2115 | shift = 3; | |
2116 | i = 0; | |
2117 | for (;;) { | |
2118 | switch (*s) { | |
2119 | default: | |
2120 | goto out; | |
de3bb511 LW |
2121 | case '_': |
2122 | s++; | |
2123 | break; | |
378cc40b LW |
2124 | case '8': case '9': |
2125 | if (shift != 4) | |
a687059c | 2126 | yyerror("Illegal octal digit"); |
378cc40b LW |
2127 | /* FALL THROUGH */ |
2128 | case '0': case '1': case '2': case '3': case '4': | |
2129 | case '5': case '6': case '7': | |
2130 | i <<= shift; | |
2131 | i += *s++ & 15; | |
2132 | break; | |
2133 | case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': | |
2134 | case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': | |
2135 | if (shift != 4) | |
2136 | goto out; | |
2137 | i <<= 4; | |
2138 | i += (*s++ & 7) + 9; | |
2139 | break; | |
2140 | } | |
2141 | } | |
2142 | out: | |
e929a76b LW |
2143 | str = Str_new(92,0); |
2144 | str_numset(str,(double)i); | |
2145 | if (str->str_ptr) { | |
2146 | Safefree(str->str_ptr); | |
2147 | str->str_ptr = Nullch; | |
2148 | str->str_len = str->str_cur = 0; | |
2149 | } | |
2150 | arg[1].arg_ptr.arg_str = str; | |
378cc40b LW |
2151 | } |
2152 | break; | |
2153 | case '1': case '2': case '3': case '4': case '5': | |
2154 | case '6': case '7': case '8': case '9': case '.': | |
2155 | decimal: | |
2156 | arg[1].arg_type = A_SINGLE; | |
2157 | d = tokenbuf; | |
de3bb511 | 2158 | while (isDIGIT(*s) || *s == '_') { |
378cc40b LW |
2159 | if (*s == '_') |
2160 | s++; | |
2161 | else | |
2162 | *d++ = *s++; | |
2163 | } | |
2f3197b3 | 2164 | if (*s == '.' && s[1] != '.') { |
378cc40b | 2165 | *d++ = *s++; |
de3bb511 | 2166 | while (isDIGIT(*s) || *s == '_') { |
378cc40b LW |
2167 | if (*s == '_') |
2168 | s++; | |
2169 | else | |
2170 | *d++ = *s++; | |
2171 | } | |
2172 | } | |
a687059c | 2173 | if (*s && index("eE",*s) && index("+-0123456789",s[1])) { |
378cc40b LW |
2174 | *d++ = *s++; |
2175 | if (*s == '+' || *s == '-') | |
2176 | *d++ = *s++; | |
de3bb511 | 2177 | while (isDIGIT(*s)) |
378cc40b LW |
2178 | *d++ = *s++; |
2179 | } | |
2180 | *d = '\0'; | |
e929a76b LW |
2181 | str = Str_new(92,0); |
2182 | str_numset(str,atof(tokenbuf)); | |
2183 | if (str->str_ptr) { | |
2184 | Safefree(str->str_ptr); | |
2185 | str->str_ptr = Nullch; | |
2186 | str->str_len = str->str_cur = 0; | |
2187 | } | |
2188 | arg[1].arg_ptr.arg_str = str; | |
378cc40b | 2189 | break; |
378cc40b | 2190 | case '<': |
2f3197b3 LW |
2191 | if (in_what & (SCAN_REPL|SCAN_TR)) |
2192 | goto do_double; | |
a687059c LW |
2193 | if (*++s == '<') { |
2194 | hereis = TRUE; | |
2195 | d = tokenbuf; | |
2196 | if (!rsfp) | |
2197 | *d++ = '\n'; | |
2198 | if (*++s && index("`'\"",*s)) { | |
2199 | term = *s++; | |
2200 | s = cpytill(d,s,bufend,term,&len); | |
2201 | if (s < bufend) | |
2202 | s++; | |
2203 | d += len; | |
2204 | } | |
2205 | else { | |
2206 | if (*s == '\\') | |
2207 | s++, term = '\''; | |
2208 | else | |
2209 | term = '"'; | |
de3bb511 | 2210 | while (isALNUM(*s)) |
a687059c LW |
2211 | *d++ = *s++; |
2212 | } /* assuming tokenbuf won't clobber */ | |
2213 | *d++ = '\n'; | |
2214 | *d = '\0'; | |
2215 | len = d - tokenbuf; | |
2216 | d = "\n"; | |
2217 | if (rsfp || !(d=ninstr(s,bufend,d,d+1))) | |
2218 | herewas = str_make(s,bufend-s); | |
2219 | else | |
2220 | s--, herewas = str_make(s,d-s); | |
2221 | s += herewas->str_cur; | |
2222 | if (term == '\'') | |
2223 | goto do_single; | |
2224 | if (term == '`') | |
2225 | goto do_back; | |
2226 | goto do_double; | |
2227 | } | |
378cc40b | 2228 | d = tokenbuf; |
a687059c LW |
2229 | s = cpytill(d,s,bufend,'>',&len); |
2230 | if (s < bufend) | |
378cc40b | 2231 | s++; |
2f3197b3 LW |
2232 | else |
2233 | fatal("Unterminated <> operator"); | |
2234 | ||
378cc40b | 2235 | if (*d == '$') d++; |
de3bb511 | 2236 | while (*d && (isALNUM(*d) || *d == '\'')) |
a687059c LW |
2237 | d++; |
2238 | if (d - tokenbuf != len) { | |
2f3197b3 LW |
2239 | s = start; |
2240 | term = *s; | |
378cc40b | 2241 | arg[1].arg_type = A_GLOB; |
a687059c | 2242 | set_csh(); |
2f3197b3 LW |
2243 | alwaysdollar = TRUE; /* treat $) and $| as variables */ |
2244 | goto snarf_it; | |
378cc40b LW |
2245 | } |
2246 | else { | |
2247 | d = tokenbuf; | |
a687059c LW |
2248 | if (!len) |
2249 | (void)strcpy(d,"ARGV"); | |
378cc40b LW |
2250 | if (*d == '$') { |
2251 | arg[1].arg_type = A_INDREAD; | |
2252 | arg[1].arg_ptr.arg_stab = stabent(d+1,TRUE); | |
2253 | } | |
2254 | else { | |
2255 | arg[1].arg_type = A_READ; | |
378cc40b | 2256 | arg[1].arg_ptr.arg_stab = stabent(d,TRUE); |
a687059c LW |
2257 | if (!stab_io(arg[1].arg_ptr.arg_stab)) |
2258 | stab_io(arg[1].arg_ptr.arg_stab) = stio_new(); | |
378cc40b | 2259 | if (strEQ(d,"ARGV")) { |
a687059c LW |
2260 | (void)aadd(arg[1].arg_ptr.arg_stab); |
2261 | stab_io(arg[1].arg_ptr.arg_stab)->flags |= | |
378cc40b LW |
2262 | IOF_ARGV|IOF_START; |
2263 | } | |
2264 | } | |
2265 | } | |
2266 | break; | |
a687059c LW |
2267 | |
2268 | case 'q': | |
2269 | s++; | |
2270 | if (*s == 'q') { | |
2271 | s++; | |
2272 | goto do_double; | |
2273 | } | |
fe14fcc3 LW |
2274 | if (*s == 'x') { |
2275 | s++; | |
2276 | goto do_back; | |
2277 | } | |
a687059c LW |
2278 | /* FALL THROUGH */ |
2279 | case '\'': | |
2280 | do_single: | |
2281 | term = *s; | |
2282 | arg[1].arg_type = A_SINGLE; | |
2283 | leave = Nullch; | |
2284 | goto snarf_it; | |
2285 | ||
378cc40b | 2286 | case '"': |
a687059c LW |
2287 | do_double: |
2288 | term = *s; | |
378cc40b LW |
2289 | arg[1].arg_type = A_DOUBLE; |
2290 | makesingle = TRUE; /* maybe disable runtime scanning */ | |
a687059c | 2291 | alwaysdollar = TRUE; /* treat $) and $| as variables */ |
378cc40b LW |
2292 | goto snarf_it; |
2293 | case '`': | |
a687059c | 2294 | do_back: |
378cc40b | 2295 | term = *s; |
a687059c LW |
2296 | arg[1].arg_type = A_BACKTICK; |
2297 | set_csh(); | |
2298 | alwaysdollar = TRUE; /* treat $) and $| as variables */ | |
378cc40b LW |
2299 | snarf_it: |
2300 | { | |
2301 | STR *tmpstr; | |
2f3197b3 | 2302 | STR *tmpstr2 = Nullstr; |
378cc40b | 2303 | char *tmps; |
e334a159 | 2304 | char *start; |
514dae0d | 2305 | bool dorange = FALSE; |
378cc40b | 2306 | |
d48672a2 | 2307 | CLINE; |
e929a76b | 2308 | multi_start = curcmd->c_line; |
a687059c LW |
2309 | if (hereis) |
2310 | multi_open = multi_close = '<'; | |
2311 | else { | |
2312 | multi_open = term; | |
395c3793 | 2313 | if (term && (tmps = index("([{< )]}> )]}>",term))) |
a687059c LW |
2314 | term = tmps[5]; |
2315 | multi_close = term; | |
2316 | } | |
9f68db38 | 2317 | tmpstr = Str_new(87,80); |
a687059c LW |
2318 | if (hereis) { |
2319 | term = *tokenbuf; | |
2320 | if (!rsfp) { | |
2321 | d = s; | |
2322 | while (s < bufend && | |
2323 | (*s != term || bcmp(s,tokenbuf,len) != 0) ) { | |
2324 | if (*s++ == '\n') | |
e929a76b | 2325 | curcmd->c_line++; |
a687059c LW |
2326 | } |
2327 | if (s >= bufend) { | |
e929a76b | 2328 | curcmd->c_line = multi_start; |
a687059c LW |
2329 | fatal("EOF in string"); |
2330 | } | |
2331 | str_nset(tmpstr,d+1,s-d); | |
2332 | s += len - 1; | |
2333 | str_ncat(herewas,s,bufend-s); | |
2334 | str_replace(linestr,herewas); | |
2335 | oldoldbufptr = oldbufptr = bufptr = s = str_get(linestr); | |
2336 | bufend = linestr->str_ptr + linestr->str_cur; | |
2337 | hereis = FALSE; | |
2338 | } | |
e929a76b LW |
2339 | else |
2340 | str_nset(tmpstr,"",0); /* avoid "uninitialized" warning */ | |
a687059c LW |
2341 | } |
2342 | else | |
2343 | s = str_append_till(tmpstr,s+1,bufend,term,leave); | |
2344 | while (s >= bufend) { /* multiple line string? */ | |
2345 | if (!rsfp || | |
2346 | !(oldoldbufptr = oldbufptr = s = str_gets(linestr, rsfp, 0))) { | |
e929a76b | 2347 | curcmd->c_line = multi_start; |
378cc40b LW |
2348 | fatal("EOF in string"); |
2349 | } | |
e929a76b | 2350 | curcmd->c_line++; |
a687059c LW |
2351 | if (perldb) { |
2352 | STR *str = Str_new(88,0); | |
2353 | ||
2354 | str_sset(str,linestr); | |
395c3793 LW |
2355 | astore(stab_xarray(curcmd->c_filestab), |
2356 | (int)curcmd->c_line,str); | |
a687059c LW |
2357 | } |
2358 | bufend = linestr->str_ptr + linestr->str_cur; | |
2359 | if (hereis) { | |
2360 | if (*s == term && bcmp(s,tokenbuf,len) == 0) { | |
2361 | s = bufend - 1; | |
2362 | *s = ' '; | |
2363 | str_scat(linestr,herewas); | |
2364 | bufend = linestr->str_ptr + linestr->str_cur; | |
2365 | } | |
2366 | else { | |
2367 | s = bufend; | |
2368 | str_scat(tmpstr,linestr); | |
2369 | } | |
2370 | } | |
2371 | else | |
2372 | s = str_append_till(tmpstr,s,bufend,term,leave); | |
378cc40b | 2373 | } |
e929a76b | 2374 | multi_end = curcmd->c_line; |
378cc40b | 2375 | s++; |
a687059c LW |
2376 | if (tmpstr->str_cur + 5 < tmpstr->str_len) { |
2377 | tmpstr->str_len = tmpstr->str_cur + 1; | |
2378 | Renew(tmpstr->str_ptr, tmpstr->str_len, char); | |
2379 | } | |
2f3197b3 | 2380 | if (arg[1].arg_type == A_SINGLE) { |
378cc40b LW |
2381 | arg[1].arg_ptr.arg_str = tmpstr; |
2382 | break; | |
2383 | } | |
2384 | tmps = s; | |
2385 | s = tmpstr->str_ptr; | |
a687059c LW |
2386 | send = s + tmpstr->str_cur; |
2387 | while (s < send) { /* see if we can make SINGLE */ | |
de3bb511 | 2388 | if (*s == '\\' && s[1] && isDIGIT(s[1]) && !isDIGIT(s[2]) && |
e929a76b | 2389 | !alwaysdollar && s[1] != '0') |
378cc40b | 2390 | *s = '$'; /* grandfather \digit in subst */ |
a687059c LW |
2391 | if ((*s == '$' || *s == '@') && s+1 < send && |
2392 | (alwaysdollar || (s[1] != ')' && s[1] != '|'))) { | |
378cc40b LW |
2393 | makesingle = FALSE; /* force interpretation */ |
2394 | } | |
a687059c | 2395 | else if (*s == '\\' && s+1 < send) { |
fe14fcc3 LW |
2396 | if (index("lLuUE",s[1])) |
2397 | makesingle = FALSE; | |
378cc40b LW |
2398 | s++; |
2399 | } | |
2400 | s++; | |
2401 | } | |
e334a159 | 2402 | s = d = start = tmpstr->str_ptr; /* assuming shrinkage only */ |
514dae0d | 2403 | while (s < send || dorange) { |
2f3197b3 | 2404 | if (in_what & SCAN_TR) { |
514dae0d | 2405 | if (dorange) { |
2f3197b3 | 2406 | int i; |
514dae0d | 2407 | int max; |
2f3197b3 LW |
2408 | if (!tmpstr2) { /* oops, have to grow */ |
2409 | tmpstr2 = str_smake(tmpstr); | |
2410 | s = tmpstr2->str_ptr + (s - tmpstr->str_ptr); | |
2411 | send = tmpstr2->str_ptr + (send - tmpstr->str_ptr); | |
2412 | } | |
2413 | i = d - tmpstr->str_ptr; | |
2414 | STR_GROW(tmpstr, tmpstr->str_len + 256); | |
2415 | d = tmpstr->str_ptr + i; | |
514dae0d LW |
2416 | d -= 2; |
2417 | max = d[1] & 0377; | |
2418 | for (i = (*d & 0377); i <= max; i++) | |
2f3197b3 | 2419 | *d++ = i; |
e334a159 | 2420 | start = s; |
514dae0d | 2421 | dorange = FALSE; |
2f3197b3 LW |
2422 | continue; |
2423 | } | |
e334a159 | 2424 | else if (*s == '-' && s+1 < send && s != start) { |
514dae0d LW |
2425 | dorange = TRUE; |
2426 | s++; | |
2427 | } | |
378cc40b | 2428 | } |
2f3197b3 LW |
2429 | else { |
2430 | if ((*s == '$' && s+1 < send && | |
2431 | (alwaysdollar || /*(*/(s[1] != ')' && s[1] != '|')) ) || | |
2432 | (*s == '@' && s+1 < send) ) { | |
2433 | if (s[1] == '#' && (isALPHA(s[2]) || s[2] == '_')) | |
2434 | *d++ = *s++; | |
2435 | len = scanident(s,send,tokenbuf) - s; | |
2436 | if (*s == '$' || strEQ(tokenbuf,"ARGV") | |
2437 | || strEQ(tokenbuf,"ENV") | |
2438 | || strEQ(tokenbuf,"SIG") | |
2439 | || strEQ(tokenbuf,"INC") ) | |
2440 | (void)stabent(tokenbuf,TRUE); /* add symbol */ | |
2441 | while (len--) | |
2442 | *d++ = *s++; | |
2443 | continue; | |
2444 | } | |
2445 | } | |
2446 | if (*s == '\\' && s+1 < send) { | |
378cc40b LW |
2447 | s++; |
2448 | switch (*s) { | |
514dae0d LW |
2449 | case '-': |
2450 | if (in_what & SCAN_TR) { | |
2451 | *d++ = *s++; | |
2452 | continue; | |
2453 | } | |
2454 | /* FALL THROUGH */ | |
378cc40b | 2455 | default: |
a687059c | 2456 | if (!makesingle && (!leave || (*s && index(leave,*s)))) |
378cc40b LW |
2457 | *d++ = '\\'; |
2458 | *d++ = *s++; | |
2459 | continue; | |
2460 | case '0': case '1': case '2': case '3': | |
2461 | case '4': case '5': case '6': case '7': | |
fe14fcc3 LW |
2462 | *d++ = scanoct(s, 3, &len); |
2463 | s += len; | |
2464 | continue; | |
2465 | case 'x': | |
2466 | *d++ = scanhex(++s, 2, &len); | |
2467 | s += len; | |
2468 | continue; | |
2469 | case 'c': | |
2470 | s++; | |
2471 | *d = *s++; | |
de3bb511 | 2472 | if (isLOWER(*d)) |
fe14fcc3 LW |
2473 | *d = toupper(*d); |
2474 | *d++ ^= 64; | |
378cc40b LW |
2475 | continue; |
2476 | case 'b': | |
2477 | *d++ = '\b'; | |
2478 | break; | |
2479 | case 'n': | |
2480 | *d++ = '\n'; | |
2481 | break; | |
2482 | case 'r': | |
2483 | *d++ = '\r'; | |
2484 | break; | |
2485 | case 'f': | |
2486 | *d++ = '\f'; | |
2487 | break; | |
2488 | case 't': | |
2489 | *d++ = '\t'; | |
2490 | break; | |
fe14fcc3 LW |
2491 | case 'e': |
2492 | *d++ = '\033'; | |
2493 | break; | |
2494 | case 'a': | |
2495 | *d++ = '\007'; | |
2496 | break; | |
378cc40b LW |
2497 | } |
2498 | s++; | |
2499 | continue; | |
2500 | } | |
2501 | *d++ = *s++; | |
2502 | } | |
2503 | *d = '\0'; | |
2504 | ||
2f3197b3 LW |
2505 | if (arg[1].arg_type == A_DOUBLE && makesingle) |
2506 | arg[1].arg_type = A_SINGLE; /* now we can optimize on it */ | |
a687059c | 2507 | |
a687059c | 2508 | tmpstr->str_cur = d - tmpstr->str_ptr; |
2f3197b3 LW |
2509 | if (arg[1].arg_type == A_GLOB) { |
2510 | arg[1].arg_ptr.arg_stab = stab = genstab(); | |
2511 | stab_io(stab) = stio_new(); | |
2512 | str_sset(stab_val(stab), tmpstr); | |
2513 | } | |
2514 | else | |
2515 | arg[1].arg_ptr.arg_str = tmpstr; | |
378cc40b | 2516 | s = tmps; |
2f3197b3 LW |
2517 | if (tmpstr2) |
2518 | str_free(tmpstr2); | |
378cc40b LW |
2519 | break; |
2520 | } | |
2521 | } | |
a687059c LW |
2522 | if (hereis) |
2523 | str_free(herewas); | |
378cc40b LW |
2524 | return s; |
2525 | } | |
2526 | ||
2527 | FCMD * | |
2528 | load_format() | |
2529 | { | |
2530 | FCMD froot; | |
2531 | FCMD *flinebeg; | |
0f85fab0 | 2532 | char *eol; |
378cc40b LW |
2533 | register FCMD *fprev = &froot; |
2534 | register FCMD *fcmd; | |
2535 | register char *s; | |
2536 | register char *t; | |
a687059c | 2537 | register STR *str; |
378cc40b | 2538 | bool noblank; |
a687059c | 2539 | bool repeater; |
378cc40b | 2540 | |
a687059c | 2541 | Zero(&froot, 1, FCMD); |
0f85fab0 | 2542 | s = bufptr; |
27e2fb84 | 2543 | while (s < bufend || (rsfp && (s = str_gets(linestr,rsfp, 0)) != Nullch)) { |
e929a76b | 2544 | curcmd->c_line++; |
0f85fab0 LW |
2545 | if (in_eval && !rsfp) { |
2546 | eol = index(s,'\n'); | |
2547 | if (!eol++) | |
2548 | eol = bufend; | |
2549 | } | |
2550 | else | |
2551 | eol = bufend = linestr->str_ptr + linestr->str_cur; | |
395c3793 LW |
2552 | if (perldb) { |
2553 | STR *tmpstr = Str_new(89,0); | |
2554 | ||
2555 | str_nset(tmpstr, s, eol-s); | |
2556 | astore(stab_xarray(curcmd->c_filestab), (int)curcmd->c_line,tmpstr); | |
2557 | } | |
27e2fb84 | 2558 | if (*s == '.') { |
de3bb511 | 2559 | /*SUPPRESS 530*/ |
27e2fb84 LW |
2560 | for (t = s+1; *t == ' ' || *t == '\t'; t++) ; |
2561 | if (*t == '\n') { | |
2562 | bufptr = s; | |
2563 | return froot.f_next; | |
2564 | } | |
378cc40b | 2565 | } |
0f85fab0 LW |
2566 | if (*s == '#') { |
2567 | s = eol; | |
378cc40b | 2568 | continue; |
0f85fab0 | 2569 | } |
378cc40b LW |
2570 | flinebeg = Nullfcmd; |
2571 | noblank = FALSE; | |
a687059c | 2572 | repeater = FALSE; |
0f85fab0 | 2573 | while (s < eol) { |
a687059c | 2574 | Newz(804,fcmd,1,FCMD); |
378cc40b LW |
2575 | fprev->f_next = fcmd; |
2576 | fprev = fcmd; | |
0f85fab0 | 2577 | for (t=s; t < eol && *t != '@' && *t != '^'; t++) { |
378cc40b LW |
2578 | if (*t == '~') { |
2579 | noblank = TRUE; | |
2580 | *t = ' '; | |
a687059c LW |
2581 | if (t[1] == '~') { |
2582 | repeater = TRUE; | |
2583 | t[1] = ' '; | |
2584 | } | |
378cc40b LW |
2585 | } |
2586 | } | |
a687059c LW |
2587 | fcmd->f_pre = nsavestr(s, t-s); |
2588 | fcmd->f_presize = t-s; | |
378cc40b | 2589 | s = t; |
0f85fab0 | 2590 | if (s >= eol) { |
378cc40b LW |
2591 | if (noblank) |
2592 | fcmd->f_flags |= FC_NOBLANK; | |
a687059c LW |
2593 | if (repeater) |
2594 | fcmd->f_flags |= FC_REPEAT; | |
378cc40b LW |
2595 | break; |
2596 | } | |
2597 | if (!flinebeg) | |
2598 | flinebeg = fcmd; /* start values here */ | |
2599 | if (*s++ == '^') | |
2600 | fcmd->f_flags |= FC_CHOP; /* for doing text filling */ | |
2601 | switch (*s) { | |
2602 | case '*': | |
2603 | fcmd->f_type = F_LINES; | |
2604 | *s = '\0'; | |
2605 | break; | |
2606 | case '<': | |
2607 | fcmd->f_type = F_LEFT; | |
2608 | while (*s == '<') | |
2609 | s++; | |
2610 | break; | |
2611 | case '>': | |
2612 | fcmd->f_type = F_RIGHT; | |
2613 | while (*s == '>') | |
2614 | s++; | |
2615 | break; | |
2616 | case '|': | |
2617 | fcmd->f_type = F_CENTER; | |
2618 | while (*s == '|') | |
2619 | s++; | |
2620 | break; | |
395c3793 LW |
2621 | case '#': |
2622 | case '.': | |
2623 | /* Catch the special case @... and handle it as a string | |
2624 | field. */ | |
2625 | if (*s == '.' && s[1] == '.') { | |
2626 | goto default_format; | |
2627 | } | |
2628 | fcmd->f_type = F_DECIMAL; | |
2629 | { | |
2630 | char *p; | |
2631 | ||
2632 | /* Read a format in the form @####.####, where either group | |
2633 | of ### may be empty, or the final .### may be missing. */ | |
2634 | while (*s == '#') | |
2635 | s++; | |
2636 | if (*s == '.') { | |
2637 | s++; | |
2638 | p = s; | |
2639 | while (*s == '#') | |
2640 | s++; | |
2641 | fcmd->f_decimals = s-p; | |
2642 | fcmd->f_flags |= FC_DP; | |
2643 | } else { | |
2644 | fcmd->f_decimals = 0; | |
2645 | } | |
2646 | } | |
2647 | break; | |
378cc40b | 2648 | default: |
395c3793 | 2649 | default_format: |
378cc40b LW |
2650 | fcmd->f_type = F_LEFT; |
2651 | break; | |
2652 | } | |
2653 | if (fcmd->f_flags & FC_CHOP && *s == '.') { | |
2654 | fcmd->f_flags |= FC_MORE; | |
2655 | while (*s == '.') | |
2656 | s++; | |
2657 | } | |
2658 | fcmd->f_size = s-t; | |
2659 | } | |
2660 | if (flinebeg) { | |
2661 | again: | |
27e2fb84 LW |
2662 | if (s >= bufend && |
2663 | (!rsfp || (s = str_gets(linestr, rsfp, 0)) == Nullch) ) | |
378cc40b | 2664 | goto badform; |
e929a76b | 2665 | curcmd->c_line++; |
0f85fab0 LW |
2666 | if (in_eval && !rsfp) { |
2667 | eol = index(s,'\n'); | |
2668 | if (!eol++) | |
2669 | eol = bufend; | |
2670 | } | |
2671 | else | |
2672 | eol = bufend = linestr->str_ptr + linestr->str_cur; | |
395c3793 LW |
2673 | if (perldb) { |
2674 | STR *tmpstr = Str_new(90,0); | |
2675 | ||
2676 | str_nset(tmpstr, s, eol-s); | |
2677 | astore(stab_xarray(curcmd->c_filestab), | |
2678 | (int)curcmd->c_line,tmpstr); | |
2679 | } | |
0f85fab0 | 2680 | if (strnEQ(s,".\n",2)) { |
a687059c | 2681 | bufptr = s; |
378cc40b LW |
2682 | yyerror("Missing values line"); |
2683 | return froot.f_next; | |
2684 | } | |
0f85fab0 LW |
2685 | if (*s == '#') { |
2686 | s = eol; | |
378cc40b | 2687 | goto again; |
0f85fab0 LW |
2688 | } |
2689 | str = flinebeg->f_unparsed = Str_new(91,eol - s); | |
a687059c LW |
2690 | str->str_u.str_hash = curstash; |
2691 | str_nset(str,"(",1); | |
e929a76b | 2692 | flinebeg->f_line = curcmd->c_line; |
0f85fab0 LW |
2693 | eol[-1] = '\0'; |
2694 | if (!flinebeg->f_next->f_type || index(s, ',')) { | |
2695 | eol[-1] = '\n'; | |
2696 | str_ncat(str, s, eol - s - 1); | |
a687059c | 2697 | str_ncat(str,",$$);",5); |
0f85fab0 | 2698 | s = eol; |
a687059c LW |
2699 | } |
2700 | else { | |
0f85fab0 | 2701 | eol[-1] = '\n'; |
de3bb511 | 2702 | while (s < eol && isSPACE(*s)) |
a687059c LW |
2703 | s++; |
2704 | t = s; | |
0f85fab0 | 2705 | while (s < eol) { |
a687059c LW |
2706 | switch (*s) { |
2707 | case ' ': case '\t': case '\n': case ';': | |
2708 | str_ncat(str, t, s - t); | |
2709 | str_ncat(str, "," ,1); | |
de3bb511 | 2710 | while (s < eol && (isSPACE(*s) || *s == ';')) |
a687059c LW |
2711 | s++; |
2712 | t = s; | |
2713 | break; | |
2714 | case '$': | |
2715 | str_ncat(str, t, s - t); | |
2716 | t = s; | |
fe14fcc3 | 2717 | s = scanident(s,eol,tokenbuf); |
a687059c LW |
2718 | str_ncat(str, t, s - t); |
2719 | t = s; | |
0f85fab0 | 2720 | if (s < eol && *s && index("$'\"",*s)) |
a687059c LW |
2721 | str_ncat(str, ",", 1); |
2722 | break; | |
2723 | case '"': case '\'': | |
2724 | str_ncat(str, t, s - t); | |
2725 | t = s; | |
2726 | s++; | |
0f85fab0 | 2727 | while (s < eol && (*s != *t || s[-1] == '\\')) |
a687059c | 2728 | s++; |
0f85fab0 | 2729 | if (s < eol) |
a687059c LW |
2730 | s++; |
2731 | str_ncat(str, t, s - t); | |
2732 | t = s; | |
0f85fab0 | 2733 | if (s < eol && *s && index("$'\"",*s)) |
a687059c LW |
2734 | str_ncat(str, ",", 1); |
2735 | break; | |
2736 | default: | |
2737 | yyerror("Please use commas to separate fields"); | |
378cc40b | 2738 | } |
378cc40b | 2739 | } |
a687059c | 2740 | str_ncat(str,"$$);",4); |
378cc40b | 2741 | } |
378cc40b LW |
2742 | } |
2743 | } | |
2744 | badform: | |
2745 | bufptr = str_get(linestr); | |
2746 | yyerror("Format not terminated"); | |
2747 | return froot.f_next; | |
2748 | } | |
a687059c | 2749 | |
2f3197b3 | 2750 | static void |
a687059c LW |
2751 | set_csh() |
2752 | { | |
ae986130 LW |
2753 | #ifdef CSH |
2754 | if (!cshlen) | |
2755 | cshlen = strlen(cshname); | |
2756 | #endif | |
a687059c | 2757 | } |