Commit | Line | Data |
---|---|---|
6eb13c3b | 1 | /* $Header: toke.c,v 3.0.1.9 90/08/13 22:37:25 lwall Locked $ |
a687059c LW |
2 | * |
3 | * Copyright (c) 1989, Larry Wall | |
4 | * | |
5 | * You may distribute under the terms of the GNU General Public License | |
6 | * as specified in the README file that comes with the perl 3.0 kit. | |
378cc40b LW |
7 | * |
8 | * $Log: toke.c,v $ | |
6eb13c3b LW |
9 | * Revision 3.0.1.9 90/08/13 22:37:25 lwall |
10 | * patch28: defined(@array) and defined(%array) didn't work right | |
11 | * | |
e929a76b LW |
12 | * Revision 3.0.1.8 90/08/09 05:39:58 lwall |
13 | * patch19: added require operator | |
14 | * patch19: added -x switch to extract script from input trash | |
15 | * patch19: bare @name didn't add array to symbol table | |
16 | * patch19: Added __LINE__ and __FILE__ tokens | |
17 | * patch19: Added __END__ token | |
18 | * patch19: Numeric literals are now stored only in floating point | |
19 | * patch19: some support for FPS compiler misfunction | |
20 | * patch19: "\\$foo" not handled right | |
21 | * patch19: program and data can now both come from STDIN | |
22 | * patch19: "here" strings caused warnings about uninitialized variables | |
23 | * | |
0f85fab0 LW |
24 | * Revision 3.0.1.7 90/03/27 16:32:37 lwall |
25 | * patch16: MSDOS support | |
26 | * patch16: formats didn't work inside eval | |
27 | * patch16: final semicolon in program wasn't optional with -p or -n | |
28 | * | |
79a0689e LW |
29 | * Revision 3.0.1.6 90/03/12 17:06:36 lwall |
30 | * patch13: last semicolon of program is now optional, just for Randal | |
31 | * patch13: added splice operator: @oldelems = splice(@array,$offset,$len,LIST) | |
32 | * | |
9f68db38 LW |
33 | * Revision 3.0.1.5 90/02/28 18:47:06 lwall |
34 | * patch9: return grandfathered to never be function call | |
35 | * patch9: non-existent perldb.pl now gives reasonable error message | |
36 | * patch9: perl can now start up other interpreters scripts | |
37 | * patch9: line numbers were bogus during certain portions of foreach evaluation | |
38 | * patch9: null hereis core dumped | |
39 | * | |
663a0e37 LW |
40 | * Revision 3.0.1.4 89/12/21 20:26:56 lwall |
41 | * patch7: -d switch incompatible with -p or -n | |
42 | * patch7: " ''$foo'' " didn't parse right | |
43 | * patch7: grandfathered m'pat' and s'pat'repl' to not be package qualifiers | |
44 | * | |
ffed7fef LW |
45 | * Revision 3.0.1.3 89/11/17 15:43:15 lwall |
46 | * patch5: IBM PC/RT compiler can't deal with UNI() and LOP() macros | |
47 | * patch5: } misadjusted expection of subsequent term or operator | |
48 | * patch5: y/abcde// didn't work | |
49 | * | |
ae986130 LW |
50 | * Revision 3.0.1.2 89/11/11 05:04:42 lwall |
51 | * patch2: fixed a CLINE macro conflict | |
52 | * | |
03a14243 LW |
53 | * Revision 3.0.1.1 89/10/26 23:26:21 lwall |
54 | * patch1: disambiguated word after "sort" better | |
55 | * | |
a687059c LW |
56 | * Revision 3.0 89/10/18 15:32:33 lwall |
57 | * 3.0 baseline | |
378cc40b LW |
58 | * |
59 | */ | |
60 | ||
61 | #include "EXTERN.h" | |
62 | #include "perl.h" | |
63 | #include "perly.h" | |
64 | ||
a687059c LW |
65 | char *reparse; /* if non-null, scanreg found ${foo[$bar]} */ |
66 | ||
ae986130 LW |
67 | #ifdef CLINE |
68 | #undef CLINE | |
69 | #endif | |
e929a76b | 70 | #define CLINE (cmdline = (curcmd->c_line < cmdline ? curcmd->c_line : cmdline)) |
378cc40b | 71 | |
a687059c LW |
72 | #define META(c) ((c) | 128) |
73 | ||
378cc40b LW |
74 | #define RETURN(retval) return (bufptr = s,(int)retval) |
75 | #define OPERATOR(retval) return (expectterm = TRUE,bufptr = s,(int)retval) | |
76 | #define TERM(retval) return (CLINE, expectterm = FALSE,bufptr = s,(int)retval) | |
77 | #define LOOPX(f) return(yylval.ival=f,expectterm = FALSE,bufptr = s,(int)LOOPEX) | |
378cc40b LW |
78 | #define FTST(f) return(yylval.ival=f,expectterm = TRUE,bufptr = s,(int)FILETEST) |
79 | #define FUN0(f) return(yylval.ival = f,expectterm = FALSE,bufptr = s,(int)FUNC0) | |
80 | #define FUN1(f) return(yylval.ival = f,expectterm = FALSE,bufptr = s,(int)FUNC1) | |
81 | #define FUN2(f) return(yylval.ival = f,expectterm = FALSE,bufptr = s,(int)FUNC2) | |
82 | #define FUN3(f) return(yylval.ival = f,expectterm = FALSE,bufptr = s,(int)FUNC3) | |
a687059c LW |
83 | #define FL(f) return(yylval.ival=f,expectterm = FALSE,bufptr = s,(int)FLIST) |
84 | #define FL2(f) return(yylval.ival=f,expectterm = FALSE,bufptr = s,(int)FLIST2) | |
85 | #define HFUN(f) return(yylval.ival=f,expectterm = TRUE,bufptr = s,(int)HSHFUN) | |
86 | #define HFUN3(f) return(yylval.ival=f,expectterm = FALSE,bufptr = s,(int)HSHFUN3) | |
87 | #define LFUN(f) return(yylval.ival=f,expectterm = TRUE,bufptr = s,(int)LVALFUN) | |
88 | #define LFUN4(f) return(yylval.ival = f,expectterm = FALSE,bufptr = s,(int)LFUNC4) | |
89 | #define AOP(f) return(yylval.ival=f,expectterm = TRUE,bufptr = s,(int)ADDOP) | |
90 | #define MOP(f) return(yylval.ival=f,expectterm = TRUE,bufptr = s,(int)MULOP) | |
91 | #define EOP(f) return(yylval.ival=f,expectterm = TRUE,bufptr = s,(int)EQOP) | |
92 | #define ROP(f) return(yylval.ival=f,expectterm = TRUE,bufptr = s,(int)RELOP) | |
93 | #define FOP(f) return(yylval.ival=f,expectterm = FALSE,bufptr = s,(int)FILOP) | |
94 | #define FOP2(f) return(yylval.ival=f,expectterm = FALSE,bufptr = s,(int)FILOP2) | |
95 | #define FOP3(f) return(yylval.ival=f,expectterm = FALSE,bufptr = s,(int)FILOP3) | |
96 | #define FOP4(f) return(yylval.ival=f,expectterm = FALSE,bufptr = s,(int)FILOP4) | |
97 | #define FOP22(f) return(yylval.ival=f,expectterm = FALSE,bufptr = s,(int)FILOP22) | |
98 | #define FOP25(f) return(yylval.ival=f,expectterm = FALSE,bufptr = s,(int)FILOP25) | |
99 | ||
100 | /* This bit of chicanery makes a unary function followed by | |
101 | * a parenthesis into a function with one argument, highest precedence. | |
102 | */ | |
103 | #define UNI(f) return(yylval.ival = f,expectterm = TRUE,bufptr = s, \ | |
104 | (*s == '(' || (s = skipspace(s), *s == '(') ? (int)FUNC1 : (int)UNIOP) ) | |
105 | ||
106 | /* This does similarly for list operators, merely by pretending that the | |
107 | * paren came before the listop rather than after. | |
108 | */ | |
109 | #define LOP(f) return(*s == '(' || (s = skipspace(s), *s == '(') ? \ | |
110 | (*s = META('('), bufptr = oldbufptr, '(') : \ | |
111 | (yylval.ival=f,expectterm = TRUE,bufptr = s,(int)LISTOP)) | |
9f68db38 LW |
112 | /* grandfather return to old style */ |
113 | #define OLDLOP(f) return(yylval.ival=f,expectterm = TRUE,bufptr = s,(int)LISTOP) | |
a687059c LW |
114 | |
115 | char * | |
116 | skipspace(s) | |
117 | register char *s; | |
118 | { | |
119 | while (s < bufend && isascii(*s) && isspace(*s)) | |
120 | s++; | |
121 | return s; | |
122 | } | |
378cc40b | 123 | |
ffed7fef LW |
124 | #ifdef CRIPPLED_CC |
125 | ||
126 | #undef UNI | |
127 | #undef LOP | |
128 | #define UNI(f) return uni(f,s) | |
129 | #define LOP(f) return lop(f,s) | |
130 | ||
131 | int | |
132 | uni(f,s) | |
133 | int f; | |
134 | char *s; | |
135 | { | |
136 | yylval.ival = f; | |
137 | expectterm = TRUE; | |
138 | bufptr = s; | |
139 | if (*s == '(') | |
140 | return FUNC1; | |
141 | s = skipspace(s); | |
142 | if (*s == '(') | |
143 | return FUNC1; | |
144 | else | |
145 | return UNIOP; | |
146 | } | |
147 | ||
148 | int | |
149 | lop(f,s) | |
150 | int f; | |
151 | char *s; | |
152 | { | |
153 | if (*s != '(') | |
154 | s = skipspace(s); | |
155 | if (*s == '(') { | |
156 | *s = META('('); | |
157 | bufptr = oldbufptr; | |
158 | return '('; | |
159 | } | |
160 | else { | |
161 | yylval.ival=f; | |
162 | expectterm = TRUE; | |
163 | bufptr = s; | |
164 | return LISTOP; | |
165 | } | |
166 | } | |
167 | ||
168 | #endif /* CRIPPLED_CC */ | |
169 | ||
378cc40b LW |
170 | yylex() |
171 | { | |
172 | register char *s = bufptr; | |
173 | register char *d; | |
174 | register int tmp; | |
175 | static bool in_format = FALSE; | |
176 | static bool firstline = TRUE; | |
a687059c LW |
177 | extern int yychar; /* last token */ |
178 | ||
179 | oldoldbufptr = oldbufptr; | |
180 | oldbufptr = s; | |
378cc40b LW |
181 | |
182 | retry: | |
183 | #ifdef YYDEBUG | |
ae986130 | 184 | if (debug & 1) |
378cc40b LW |
185 | if (index(s,'\n')) |
186 | fprintf(stderr,"Tokener at %s",s); | |
187 | else | |
188 | fprintf(stderr,"Tokener at %s\n",s); | |
189 | #endif | |
e929a76b LW |
190 | #ifdef BADSWITCH |
191 | if (*s & 128) { | |
192 | if ((*s & 127) == '(') | |
193 | *s++ = '('; | |
194 | else | |
195 | warn("Unrecognized character \\%03o ignored", *s++); | |
196 | goto retry; | |
197 | } | |
198 | #endif | |
378cc40b LW |
199 | switch (*s) { |
200 | default: | |
a687059c LW |
201 | if ((*s & 127) == '(') |
202 | *s++ = '('; | |
203 | else | |
204 | warn("Unrecognized character \\%03o ignored", *s++); | |
378cc40b | 205 | goto retry; |
e929a76b LW |
206 | case 4: |
207 | case 26: | |
208 | goto fake_eof; /* emulate EOF on ^D or ^Z */ | |
378cc40b | 209 | case 0: |
378cc40b LW |
210 | if (!rsfp) |
211 | RETURN(0); | |
a687059c LW |
212 | if (s++ < bufend) |
213 | goto retry; /* ignore stray nulls */ | |
214 | if (firstline) { | |
215 | firstline = FALSE; | |
216 | if (minus_n || minus_p || perldb) { | |
217 | str_set(linestr,""); | |
218 | if (perldb) | |
e929a76b | 219 | str_cat(linestr, "require 'perldb.pl';"); |
a687059c LW |
220 | if (minus_n || minus_p) { |
221 | str_cat(linestr,"line: while (<>) {"); | |
222 | if (minus_a) | |
223 | str_cat(linestr,"@F=split(' ');"); | |
224 | } | |
225 | oldoldbufptr = oldbufptr = s = str_get(linestr); | |
226 | bufend = linestr->str_ptr + linestr->str_cur; | |
227 | goto retry; | |
228 | } | |
229 | } | |
378cc40b | 230 | if (in_format) { |
0f85fab0 | 231 | bufptr = bufend; |
a687059c | 232 | yylval.formval = load_format(); |
378cc40b | 233 | in_format = FALSE; |
a687059c LW |
234 | oldoldbufptr = oldbufptr = s = str_get(linestr) + 1; |
235 | bufend = linestr->str_ptr + linestr->str_cur; | |
e929a76b LW |
236 | OPERATOR(FORMLIST); |
237 | } | |
238 | curcmd->c_line++; | |
239 | #ifdef CRYPTSCRIPT | |
240 | cryptswitch(); | |
241 | #endif /* CRYPTSCRIPT */ | |
242 | do { | |
243 | if ((s = str_gets(linestr, rsfp, 0)) == Nullch) { | |
244 | fake_eof: | |
245 | if (preprocess) | |
246 | (void)mypclose(rsfp); | |
247 | else if (rsfp == stdin) | |
248 | clearerr(stdin); | |
249 | else | |
250 | (void)fclose(rsfp); | |
251 | rsfp = Nullfp; | |
252 | if (minus_n || minus_p) { | |
253 | str_set(linestr,minus_p ? ";}continue{print" : ""); | |
254 | str_cat(linestr,";}"); | |
255 | oldoldbufptr = oldbufptr = s = str_get(linestr); | |
256 | bufend = linestr->str_ptr + linestr->str_cur; | |
257 | minus_n = minus_p = 0; | |
258 | goto retry; | |
259 | } | |
a687059c | 260 | oldoldbufptr = oldbufptr = s = str_get(linestr); |
e929a76b LW |
261 | str_set(linestr,""); |
262 | RETURN(';'); /* not infinite loop because rsfp is NULL now */ | |
378cc40b | 263 | } |
e929a76b LW |
264 | if (doextract && *linestr->str_ptr == '#') |
265 | doextract = FALSE; | |
266 | } while (doextract); | |
a687059c LW |
267 | oldoldbufptr = oldbufptr = bufptr = s; |
268 | if (perldb) { | |
269 | STR *str = Str_new(85,0); | |
270 | ||
271 | str_sset(str,linestr); | |
e929a76b | 272 | astore(lineary,(int)curcmd->c_line,str); |
a687059c | 273 | } |
378cc40b | 274 | #ifdef DEBUG |
a687059c | 275 | if (firstline) { |
378cc40b LW |
276 | char *showinput(); |
277 | s = showinput(); | |
278 | } | |
279 | #endif | |
a687059c | 280 | bufend = linestr->str_ptr + linestr->str_cur; |
e929a76b | 281 | if (curcmd->c_line == 1) { |
9f68db38 LW |
282 | if (*s == '#' && s[1] == '!') { |
283 | if (!in_eval && !instr(s,"perl") && instr(origargv[0],"perl")) { | |
284 | char **newargv; | |
285 | char *cmd; | |
286 | ||
287 | s += 2; | |
288 | if (*s == ' ') | |
289 | s++; | |
290 | cmd = s; | |
291 | while (s < bufend && !isspace(*s)) | |
292 | s++; | |
293 | *s++ = '\0'; | |
294 | while (s < bufend && isspace(*s)) | |
295 | s++; | |
296 | if (s < bufend) { | |
297 | Newz(899,newargv,origargc+3,char*); | |
298 | newargv[1] = s; | |
299 | while (s < bufend && !isspace(*s)) | |
300 | s++; | |
301 | *s = '\0'; | |
302 | Copy(origargv+1, newargv+2, origargc+1, char*); | |
303 | } | |
304 | else | |
305 | newargv = origargv; | |
306 | newargv[0] = cmd; | |
307 | execv(cmd,newargv); | |
308 | fatal("Can't exec %s", cmd); | |
309 | } | |
310 | } | |
311 | else { | |
312 | while (s < bufend && isspace(*s)) | |
313 | s++; | |
314 | if (*s == ':') /* for csh's that have to exec sh scripts */ | |
315 | s++; | |
316 | } | |
ae986130 | 317 | } |
378cc40b LW |
318 | goto retry; |
319 | case ' ': case '\t': case '\f': | |
320 | s++; | |
321 | goto retry; | |
378cc40b LW |
322 | case '#': |
323 | if (preprocess && s == str_get(linestr) && | |
324 | s[1] == ' ' && isdigit(s[2])) { | |
e929a76b | 325 | curcmd->c_line = atoi(s+2)-1; |
378cc40b | 326 | for (s += 2; isdigit(*s); s++) ; |
a687059c LW |
327 | d = bufend; |
328 | while (s < d && isspace(*s)) s++; | |
378cc40b LW |
329 | s[strlen(s)-1] = '\0'; /* wipe out newline */ |
330 | if (*s == '"') { | |
331 | s++; | |
332 | s[strlen(s)-1] = '\0'; /* wipe out trailing quote */ | |
333 | } | |
334 | if (*s) | |
335 | filename = savestr(s); | |
336 | else | |
e929a76b | 337 | filename = origfilename; |
a687059c | 338 | oldoldbufptr = oldbufptr = s = str_get(linestr); |
378cc40b | 339 | } |
e929a76b LW |
340 | /* FALL THROUGH */ |
341 | case '\n': | |
a687059c LW |
342 | if (in_eval && !rsfp) { |
343 | d = bufend; | |
344 | while (s < d && *s != '\n') | |
378cc40b | 345 | s++; |
0f85fab0 | 346 | if (s < d) |
378cc40b | 347 | s++; |
0f85fab0 LW |
348 | if (in_format) { |
349 | bufptr = s; | |
350 | yylval.formval = load_format(); | |
351 | in_format = FALSE; | |
352 | oldoldbufptr = oldbufptr = s = bufptr + 1; | |
353 | TERM(FORMLIST); | |
a687059c | 354 | } |
e929a76b | 355 | curcmd->c_line++; |
378cc40b | 356 | } |
a687059c | 357 | else { |
378cc40b | 358 | *s = '\0'; |
a687059c LW |
359 | bufend = s; |
360 | } | |
378cc40b LW |
361 | goto retry; |
362 | case '-': | |
363 | if (s[1] && isalpha(s[1]) && !isalpha(s[2])) { | |
364 | s++; | |
365 | switch (*s++) { | |
366 | case 'r': FTST(O_FTEREAD); | |
367 | case 'w': FTST(O_FTEWRITE); | |
368 | case 'x': FTST(O_FTEEXEC); | |
369 | case 'o': FTST(O_FTEOWNED); | |
370 | case 'R': FTST(O_FTRREAD); | |
371 | case 'W': FTST(O_FTRWRITE); | |
372 | case 'X': FTST(O_FTREXEC); | |
373 | case 'O': FTST(O_FTROWNED); | |
374 | case 'e': FTST(O_FTIS); | |
375 | case 'z': FTST(O_FTZERO); | |
376 | case 's': FTST(O_FTSIZE); | |
377 | case 'f': FTST(O_FTFILE); | |
378 | case 'd': FTST(O_FTDIR); | |
379 | case 'l': FTST(O_FTLINK); | |
380 | case 'p': FTST(O_FTPIPE); | |
381 | case 'S': FTST(O_FTSOCK); | |
382 | case 'u': FTST(O_FTSUID); | |
383 | case 'g': FTST(O_FTSGID); | |
384 | case 'k': FTST(O_FTSVTX); | |
385 | case 'b': FTST(O_FTBLK); | |
386 | case 'c': FTST(O_FTCHR); | |
387 | case 't': FTST(O_FTTTY); | |
388 | case 'T': FTST(O_FTTEXT); | |
389 | case 'B': FTST(O_FTBINARY); | |
390 | default: | |
391 | s -= 2; | |
392 | break; | |
393 | } | |
394 | } | |
a687059c LW |
395 | tmp = *s++; |
396 | if (*s == tmp) { | |
397 | s++; | |
398 | RETURN(DEC); | |
399 | } | |
400 | if (expectterm) | |
401 | OPERATOR('-'); | |
402 | else | |
403 | AOP(O_SUBTRACT); | |
378cc40b | 404 | case '+': |
a687059c LW |
405 | tmp = *s++; |
406 | if (*s == tmp) { | |
378cc40b | 407 | s++; |
a687059c | 408 | RETURN(INC); |
378cc40b | 409 | } |
a687059c LW |
410 | if (expectterm) |
411 | OPERATOR('+'); | |
412 | else | |
413 | AOP(O_ADD); | |
414 | ||
378cc40b | 415 | case '*': |
a687059c LW |
416 | if (expectterm) { |
417 | s = scanreg(s,bufend,tokenbuf); | |
418 | yylval.stabval = stabent(tokenbuf,TRUE); | |
419 | TERM(STAR); | |
420 | } | |
421 | tmp = *s++; | |
422 | if (*s == tmp) { | |
423 | s++; | |
424 | OPERATOR(POW); | |
425 | } | |
426 | MOP(O_MULTIPLY); | |
378cc40b | 427 | case '%': |
a687059c LW |
428 | if (expectterm) { |
429 | s = scanreg(s,bufend,tokenbuf); | |
6eb13c3b | 430 | yylval.stabval = hadd(stabent(tokenbuf,TRUE)); |
a687059c LW |
431 | TERM(HSH); |
432 | } | |
433 | s++; | |
434 | MOP(O_MODULO); | |
435 | ||
378cc40b LW |
436 | case '^': |
437 | case '~': | |
438 | case '(': | |
439 | case ',': | |
440 | case ':': | |
441 | case '[': | |
442 | tmp = *s++; | |
443 | OPERATOR(tmp); | |
444 | case '{': | |
445 | tmp = *s++; | |
446 | if (isspace(*s) || *s == '#') | |
447 | cmdline = NOLINE; /* invalidate current command line number */ | |
448 | OPERATOR(tmp); | |
449 | case ';': | |
e929a76b LW |
450 | if (curcmd->c_line < cmdline) |
451 | cmdline = curcmd->c_line; | |
378cc40b LW |
452 | tmp = *s++; |
453 | OPERATOR(tmp); | |
454 | case ')': | |
455 | case ']': | |
456 | tmp = *s++; | |
457 | TERM(tmp); | |
458 | case '}': | |
459 | tmp = *s++; | |
ffed7fef | 460 | RETURN(tmp); |
378cc40b LW |
461 | case '&': |
462 | s++; | |
463 | tmp = *s++; | |
464 | if (tmp == '&') | |
465 | OPERATOR(ANDAND); | |
466 | s--; | |
a687059c LW |
467 | if (expectterm) { |
468 | d = bufend; | |
469 | while (s < d && isspace(*s)) | |
470 | s++; | |
471 | if (isalpha(*s) || *s == '_' || *s == '\'') | |
472 | *(--s) = '\\'; /* force next ident to WORD */ | |
473 | OPERATOR(AMPER); | |
474 | } | |
378cc40b LW |
475 | OPERATOR('&'); |
476 | case '|': | |
477 | s++; | |
478 | tmp = *s++; | |
479 | if (tmp == '|') | |
480 | OPERATOR(OROR); | |
481 | s--; | |
482 | OPERATOR('|'); | |
483 | case '=': | |
484 | s++; | |
485 | tmp = *s++; | |
486 | if (tmp == '=') | |
a687059c | 487 | EOP(O_EQ); |
378cc40b LW |
488 | if (tmp == '~') |
489 | OPERATOR(MATCH); | |
490 | s--; | |
491 | OPERATOR('='); | |
492 | case '!': | |
493 | s++; | |
494 | tmp = *s++; | |
495 | if (tmp == '=') | |
a687059c | 496 | EOP(O_NE); |
378cc40b LW |
497 | if (tmp == '~') |
498 | OPERATOR(NMATCH); | |
499 | s--; | |
500 | OPERATOR('!'); | |
501 | case '<': | |
502 | if (expectterm) { | |
503 | s = scanstr(s); | |
504 | TERM(RSTRING); | |
505 | } | |
506 | s++; | |
507 | tmp = *s++; | |
508 | if (tmp == '<') | |
509 | OPERATOR(LS); | |
510 | if (tmp == '=') | |
a687059c | 511 | ROP(O_LE); |
378cc40b | 512 | s--; |
a687059c | 513 | ROP(O_LT); |
378cc40b LW |
514 | case '>': |
515 | s++; | |
516 | tmp = *s++; | |
517 | if (tmp == '>') | |
518 | OPERATOR(RS); | |
519 | if (tmp == '=') | |
a687059c | 520 | ROP(O_GE); |
378cc40b | 521 | s--; |
a687059c | 522 | ROP(O_GT); |
378cc40b LW |
523 | |
524 | #define SNARFWORD \ | |
525 | d = tokenbuf; \ | |
a687059c LW |
526 | while (isascii(*s) && \ |
527 | (isalpha(*s) || isdigit(*s) || *s == '_' || *s == '\'')) \ | |
378cc40b | 528 | *d++ = *s++; \ |
663a0e37 | 529 | while (d[-1] == '\'') \ |
a687059c | 530 | d--,s--; \ |
378cc40b LW |
531 | *d = '\0'; \ |
532 | d = tokenbuf; | |
533 | ||
534 | case '$': | |
535 | if (s[1] == '#' && (isalpha(s[2]) || s[2] == '_')) { | |
536 | s++; | |
a687059c | 537 | s = scanreg(s,bufend,tokenbuf); |
378cc40b LW |
538 | yylval.stabval = aadd(stabent(tokenbuf,TRUE)); |
539 | TERM(ARYLEN); | |
540 | } | |
a687059c LW |
541 | d = s; |
542 | s = scanreg(s,bufend,tokenbuf); | |
543 | if (reparse) { /* turn ${foo[bar]} into ($foo[bar]) */ | |
544 | do_reparse: | |
545 | s[-1] = ')'; | |
546 | s = d; | |
547 | s[1] = s[0]; | |
548 | s[0] = '('; | |
549 | goto retry; | |
550 | } | |
378cc40b LW |
551 | yylval.stabval = stabent(tokenbuf,TRUE); |
552 | TERM(REG); | |
553 | ||
554 | case '@': | |
a687059c LW |
555 | d = s; |
556 | s = scanreg(s,bufend,tokenbuf); | |
557 | if (reparse) | |
558 | goto do_reparse; | |
e929a76b | 559 | yylval.stabval = aadd(stabent(tokenbuf,TRUE)); |
378cc40b LW |
560 | TERM(ARY); |
561 | ||
562 | case '/': /* may either be division or pattern */ | |
563 | case '?': /* may either be conditional or pattern */ | |
564 | if (expectterm) { | |
565 | s = scanpat(s); | |
566 | TERM(PATTERN); | |
567 | } | |
568 | tmp = *s++; | |
a687059c LW |
569 | if (tmp == '/') |
570 | MOP(O_DIVIDE); | |
378cc40b LW |
571 | OPERATOR(tmp); |
572 | ||
573 | case '.': | |
574 | if (!expectterm || !isdigit(s[1])) { | |
378cc40b | 575 | tmp = *s++; |
a687059c LW |
576 | if (*s == tmp) { |
577 | s++; | |
378cc40b | 578 | OPERATOR(DOTDOT); |
a687059c LW |
579 | } |
580 | AOP(O_CONCAT); | |
378cc40b LW |
581 | } |
582 | /* FALL THROUGH */ | |
583 | case '0': case '1': case '2': case '3': case '4': | |
584 | case '5': case '6': case '7': case '8': case '9': | |
585 | case '\'': case '"': case '`': | |
586 | s = scanstr(s); | |
587 | TERM(RSTRING); | |
588 | ||
a687059c LW |
589 | case '\\': /* some magic to force next word to be a WORD */ |
590 | s++; /* used by do and sub to force a separate namespace */ | |
591 | /* FALL THROUGH */ | |
378cc40b LW |
592 | case '_': |
593 | SNARFWORD; | |
e929a76b LW |
594 | if (d[1] == '_') { |
595 | if (strEQ(d,"__LINE__") || strEQ(d,"__FILE__")) { | |
596 | ARG *arg = op_new(1); | |
597 | ||
598 | yylval.arg = arg; | |
599 | arg->arg_type = O_ITEM; | |
600 | if (d[2] == 'L') | |
601 | (void)sprintf(tokenbuf,"%ld",(long)curcmd->c_line); | |
602 | else | |
603 | strcpy(tokenbuf, filename); | |
604 | arg[1].arg_type = A_SINGLE; | |
605 | arg[1].arg_ptr.arg_str = str_make(tokenbuf,strlen(tokenbuf)); | |
606 | TERM(RSTRING); | |
607 | } | |
608 | else if (strEQ(d,"__END__")) | |
609 | goto fake_eof; | |
610 | } | |
a687059c | 611 | break; |
378cc40b LW |
612 | case 'a': case 'A': |
613 | SNARFWORD; | |
a687059c LW |
614 | if (strEQ(d,"accept")) |
615 | FOP22(O_ACCEPT); | |
616 | if (strEQ(d,"atan2")) | |
617 | FUN2(O_ATAN2); | |
618 | break; | |
378cc40b LW |
619 | case 'b': case 'B': |
620 | SNARFWORD; | |
a687059c LW |
621 | if (strEQ(d,"bind")) |
622 | FOP2(O_BIND); | |
0f85fab0 LW |
623 | if (strEQ(d,"binmode")) |
624 | FOP(O_BINMODE); | |
a687059c | 625 | break; |
378cc40b LW |
626 | case 'c': case 'C': |
627 | SNARFWORD; | |
a687059c LW |
628 | if (strEQ(d,"chop")) |
629 | LFUN(O_CHOP); | |
378cc40b LW |
630 | if (strEQ(d,"continue")) |
631 | OPERATOR(CONTINUE); | |
9f68db38 LW |
632 | if (strEQ(d,"chdir")) { |
633 | (void)stabent("ENV",TRUE); /* may use HOME */ | |
378cc40b | 634 | UNI(O_CHDIR); |
9f68db38 | 635 | } |
378cc40b | 636 | if (strEQ(d,"close")) |
a687059c LW |
637 | FOP(O_CLOSE); |
638 | if (strEQ(d,"closedir")) | |
639 | FOP(O_CLOSEDIR); | |
640 | if (strEQ(d,"crypt")) { | |
641 | #ifdef FCRYPT | |
642 | init_des(); | |
643 | #endif | |
378cc40b | 644 | FUN2(O_CRYPT); |
378cc40b | 645 | } |
a687059c LW |
646 | if (strEQ(d,"chmod")) |
647 | LOP(O_CHMOD); | |
648 | if (strEQ(d,"chown")) | |
649 | LOP(O_CHOWN); | |
650 | if (strEQ(d,"connect")) | |
651 | FOP2(O_CONNECT); | |
652 | if (strEQ(d,"cos")) | |
653 | UNI(O_COS); | |
654 | if (strEQ(d,"chroot")) | |
655 | UNI(O_CHROOT); | |
656 | break; | |
378cc40b LW |
657 | case 'd': case 'D': |
658 | SNARFWORD; | |
a687059c LW |
659 | if (strEQ(d,"do")) { |
660 | d = bufend; | |
661 | while (s < d && isspace(*s)) | |
662 | s++; | |
663 | if (isalpha(*s) || *s == '_') | |
664 | *(--s) = '\\'; /* force next ident to WORD */ | |
378cc40b | 665 | OPERATOR(DO); |
a687059c | 666 | } |
378cc40b | 667 | if (strEQ(d,"die")) |
a687059c LW |
668 | LOP(O_DIE); |
669 | if (strEQ(d,"defined")) | |
670 | LFUN(O_DEFINED); | |
378cc40b LW |
671 | if (strEQ(d,"delete")) |
672 | OPERATOR(DELETE); | |
a687059c LW |
673 | if (strEQ(d,"dbmopen")) |
674 | HFUN3(O_DBMOPEN); | |
675 | if (strEQ(d,"dbmclose")) | |
676 | HFUN(O_DBMCLOSE); | |
677 | if (strEQ(d,"dump")) | |
678 | LOOPX(O_DUMP); | |
679 | break; | |
378cc40b LW |
680 | case 'e': case 'E': |
681 | SNARFWORD; | |
682 | if (strEQ(d,"else")) | |
683 | OPERATOR(ELSE); | |
684 | if (strEQ(d,"elsif")) { | |
e929a76b | 685 | yylval.ival = curcmd->c_line; |
378cc40b LW |
686 | OPERATOR(ELSIF); |
687 | } | |
688 | if (strEQ(d,"eq") || strEQ(d,"EQ")) | |
a687059c | 689 | EOP(O_SEQ); |
378cc40b LW |
690 | if (strEQ(d,"exit")) |
691 | UNI(O_EXIT); | |
692 | if (strEQ(d,"eval")) { | |
693 | allstabs = TRUE; /* must initialize everything since */ | |
694 | UNI(O_EVAL); /* we don't know what will be used */ | |
695 | } | |
696 | if (strEQ(d,"eof")) | |
a687059c | 697 | FOP(O_EOF); |
378cc40b | 698 | if (strEQ(d,"exp")) |
a687059c | 699 | UNI(O_EXP); |
378cc40b | 700 | if (strEQ(d,"each")) |
a687059c | 701 | HFUN(O_EACH); |
378cc40b | 702 | if (strEQ(d,"exec")) { |
a687059c LW |
703 | set_csh(); |
704 | LOP(O_EXEC); | |
378cc40b | 705 | } |
a687059c LW |
706 | if (strEQ(d,"endhostent")) |
707 | FUN0(O_EHOSTENT); | |
708 | if (strEQ(d,"endnetent")) | |
709 | FUN0(O_ENETENT); | |
710 | if (strEQ(d,"endservent")) | |
711 | FUN0(O_ESERVENT); | |
712 | if (strEQ(d,"endprotoent")) | |
713 | FUN0(O_EPROTOENT); | |
714 | if (strEQ(d,"endpwent")) | |
715 | FUN0(O_EPWENT); | |
716 | if (strEQ(d,"endgrent")) | |
717 | FUN0(O_EGRENT); | |
718 | break; | |
378cc40b LW |
719 | case 'f': case 'F': |
720 | SNARFWORD; | |
9f68db38 | 721 | if (strEQ(d,"for") || strEQ(d,"foreach")) { |
e929a76b | 722 | yylval.ival = curcmd->c_line; |
378cc40b | 723 | OPERATOR(FOR); |
9f68db38 | 724 | } |
378cc40b | 725 | if (strEQ(d,"format")) { |
a687059c LW |
726 | d = bufend; |
727 | while (s < d && isspace(*s)) | |
728 | s++; | |
729 | if (isalpha(*s) || *s == '_') | |
730 | *(--s) = '\\'; /* force next ident to WORD */ | |
378cc40b | 731 | in_format = TRUE; |
a687059c LW |
732 | allstabs = TRUE; /* must initialize everything since */ |
733 | OPERATOR(FORMAT); /* we don't know what will be used */ | |
378cc40b LW |
734 | } |
735 | if (strEQ(d,"fork")) | |
736 | FUN0(O_FORK); | |
a687059c LW |
737 | if (strEQ(d,"fcntl")) |
738 | FOP3(O_FCNTL); | |
739 | if (strEQ(d,"fileno")) | |
740 | FOP(O_FILENO); | |
741 | if (strEQ(d,"flock")) | |
742 | FOP2(O_FLOCK); | |
743 | break; | |
378cc40b LW |
744 | case 'g': case 'G': |
745 | SNARFWORD; | |
746 | if (strEQ(d,"gt") || strEQ(d,"GT")) | |
a687059c | 747 | ROP(O_SGT); |
378cc40b | 748 | if (strEQ(d,"ge") || strEQ(d,"GE")) |
a687059c LW |
749 | ROP(O_SGE); |
750 | if (strEQ(d,"grep")) | |
751 | FL2(O_GREP); | |
378cc40b LW |
752 | if (strEQ(d,"goto")) |
753 | LOOPX(O_GOTO); | |
754 | if (strEQ(d,"gmtime")) | |
a687059c LW |
755 | UNI(O_GMTIME); |
756 | if (strEQ(d,"getc")) | |
757 | FOP(O_GETC); | |
758 | if (strnEQ(d,"get",3)) { | |
759 | d += 3; | |
760 | if (*d == 'p') { | |
761 | if (strEQ(d,"ppid")) | |
762 | FUN0(O_GETPPID); | |
763 | if (strEQ(d,"pgrp")) | |
764 | UNI(O_GETPGRP); | |
765 | if (strEQ(d,"priority")) | |
766 | FUN2(O_GETPRIORITY); | |
767 | if (strEQ(d,"protobyname")) | |
768 | UNI(O_GPBYNAME); | |
769 | if (strEQ(d,"protobynumber")) | |
770 | FUN1(O_GPBYNUMBER); | |
771 | if (strEQ(d,"protoent")) | |
772 | FUN0(O_GPROTOENT); | |
773 | if (strEQ(d,"pwent")) | |
774 | FUN0(O_GPWENT); | |
775 | if (strEQ(d,"pwnam")) | |
776 | FUN1(O_GPWNAM); | |
777 | if (strEQ(d,"pwuid")) | |
778 | FUN1(O_GPWUID); | |
779 | if (strEQ(d,"peername")) | |
780 | FOP(O_GETPEERNAME); | |
781 | } | |
782 | else if (*d == 'h') { | |
783 | if (strEQ(d,"hostbyname")) | |
784 | UNI(O_GHBYNAME); | |
785 | if (strEQ(d,"hostbyaddr")) | |
786 | FUN2(O_GHBYADDR); | |
787 | if (strEQ(d,"hostent")) | |
788 | FUN0(O_GHOSTENT); | |
789 | } | |
790 | else if (*d == 'n') { | |
791 | if (strEQ(d,"netbyname")) | |
792 | UNI(O_GNBYNAME); | |
793 | if (strEQ(d,"netbyaddr")) | |
794 | FUN2(O_GNBYADDR); | |
795 | if (strEQ(d,"netent")) | |
796 | FUN0(O_GNETENT); | |
797 | } | |
798 | else if (*d == 's') { | |
799 | if (strEQ(d,"servbyname")) | |
800 | FUN2(O_GSBYNAME); | |
801 | if (strEQ(d,"servbyport")) | |
802 | FUN2(O_GSBYPORT); | |
803 | if (strEQ(d,"servent")) | |
804 | FUN0(O_GSERVENT); | |
805 | if (strEQ(d,"sockname")) | |
806 | FOP(O_GETSOCKNAME); | |
807 | if (strEQ(d,"sockopt")) | |
808 | FOP3(O_GSOCKOPT); | |
809 | } | |
810 | else if (*d == 'g') { | |
811 | if (strEQ(d,"grent")) | |
812 | FUN0(O_GGRENT); | |
813 | if (strEQ(d,"grnam")) | |
814 | FUN1(O_GGRNAM); | |
815 | if (strEQ(d,"grgid")) | |
816 | FUN1(O_GGRGID); | |
817 | } | |
818 | else if (*d == 'l') { | |
819 | if (strEQ(d,"login")) | |
820 | FUN0(O_GETLOGIN); | |
821 | } | |
822 | d -= 3; | |
823 | } | |
824 | break; | |
378cc40b LW |
825 | case 'h': case 'H': |
826 | SNARFWORD; | |
827 | if (strEQ(d,"hex")) | |
a687059c LW |
828 | UNI(O_HEX); |
829 | break; | |
378cc40b LW |
830 | case 'i': case 'I': |
831 | SNARFWORD; | |
832 | if (strEQ(d,"if")) { | |
e929a76b | 833 | yylval.ival = curcmd->c_line; |
378cc40b LW |
834 | OPERATOR(IF); |
835 | } | |
836 | if (strEQ(d,"index")) | |
837 | FUN2(O_INDEX); | |
838 | if (strEQ(d,"int")) | |
a687059c LW |
839 | UNI(O_INT); |
840 | if (strEQ(d,"ioctl")) | |
841 | FOP3(O_IOCTL); | |
842 | break; | |
378cc40b LW |
843 | case 'j': case 'J': |
844 | SNARFWORD; | |
845 | if (strEQ(d,"join")) | |
a687059c LW |
846 | FL2(O_JOIN); |
847 | break; | |
378cc40b LW |
848 | case 'k': case 'K': |
849 | SNARFWORD; | |
850 | if (strEQ(d,"keys")) | |
a687059c LW |
851 | HFUN(O_KEYS); |
852 | if (strEQ(d,"kill")) | |
853 | LOP(O_KILL); | |
854 | break; | |
378cc40b LW |
855 | case 'l': case 'L': |
856 | SNARFWORD; | |
857 | if (strEQ(d,"last")) | |
858 | LOOPX(O_LAST); | |
859 | if (strEQ(d,"local")) | |
860 | OPERATOR(LOCAL); | |
861 | if (strEQ(d,"length")) | |
a687059c | 862 | UNI(O_LENGTH); |
378cc40b | 863 | if (strEQ(d,"lt") || strEQ(d,"LT")) |
a687059c | 864 | ROP(O_SLT); |
378cc40b | 865 | if (strEQ(d,"le") || strEQ(d,"LE")) |
a687059c | 866 | ROP(O_SLE); |
378cc40b | 867 | if (strEQ(d,"localtime")) |
a687059c | 868 | UNI(O_LOCALTIME); |
378cc40b | 869 | if (strEQ(d,"log")) |
a687059c | 870 | UNI(O_LOG); |
378cc40b LW |
871 | if (strEQ(d,"link")) |
872 | FUN2(O_LINK); | |
a687059c LW |
873 | if (strEQ(d,"listen")) |
874 | FOP2(O_LISTEN); | |
875 | if (strEQ(d,"lstat")) | |
876 | FOP(O_LSTAT); | |
877 | break; | |
378cc40b | 878 | case 'm': case 'M': |
663a0e37 LW |
879 | if (s[1] == '\'') { |
880 | d = "m"; | |
881 | s++; | |
882 | } | |
883 | else { | |
884 | SNARFWORD; | |
885 | } | |
378cc40b LW |
886 | if (strEQ(d,"m")) { |
887 | s = scanpat(s-1); | |
a687059c LW |
888 | if (yylval.arg) |
889 | TERM(PATTERN); | |
890 | else | |
891 | RETURN(1); /* force error */ | |
378cc40b | 892 | } |
a687059c LW |
893 | if (strEQ(d,"mkdir")) |
894 | FUN2(O_MKDIR); | |
895 | break; | |
378cc40b LW |
896 | case 'n': case 'N': |
897 | SNARFWORD; | |
898 | if (strEQ(d,"next")) | |
899 | LOOPX(O_NEXT); | |
900 | if (strEQ(d,"ne") || strEQ(d,"NE")) | |
a687059c LW |
901 | EOP(O_SNE); |
902 | break; | |
378cc40b LW |
903 | case 'o': case 'O': |
904 | SNARFWORD; | |
905 | if (strEQ(d,"open")) | |
906 | OPERATOR(OPEN); | |
907 | if (strEQ(d,"ord")) | |
a687059c | 908 | UNI(O_ORD); |
378cc40b | 909 | if (strEQ(d,"oct")) |
a687059c LW |
910 | UNI(O_OCT); |
911 | if (strEQ(d,"opendir")) | |
912 | FOP2(O_OPENDIR); | |
913 | break; | |
378cc40b LW |
914 | case 'p': case 'P': |
915 | SNARFWORD; | |
916 | if (strEQ(d,"print")) { | |
a687059c LW |
917 | checkcomma(s,"filehandle"); |
918 | LOP(O_PRINT); | |
378cc40b LW |
919 | } |
920 | if (strEQ(d,"printf")) { | |
a687059c LW |
921 | checkcomma(s,"filehandle"); |
922 | LOP(O_PRTF); | |
378cc40b LW |
923 | } |
924 | if (strEQ(d,"push")) { | |
925 | yylval.ival = O_PUSH; | |
926 | OPERATOR(PUSH); | |
927 | } | |
928 | if (strEQ(d,"pop")) | |
929 | OPERATOR(POP); | |
a687059c LW |
930 | if (strEQ(d,"pack")) |
931 | FL2(O_PACK); | |
932 | if (strEQ(d,"package")) | |
933 | OPERATOR(PACKAGE); | |
9f68db38 LW |
934 | if (strEQ(d,"pipe")) |
935 | FOP22(O_PIPE); | |
a687059c | 936 | break; |
378cc40b LW |
937 | case 'q': case 'Q': |
938 | SNARFWORD; | |
a687059c LW |
939 | if (strEQ(d,"q")) { |
940 | s = scanstr(s-1); | |
941 | TERM(RSTRING); | |
942 | } | |
943 | if (strEQ(d,"qq")) { | |
944 | s = scanstr(s-2); | |
945 | TERM(RSTRING); | |
946 | } | |
947 | break; | |
378cc40b LW |
948 | case 'r': case 'R': |
949 | SNARFWORD; | |
a687059c | 950 | if (strEQ(d,"return")) |
9f68db38 | 951 | OLDLOP(O_RETURN); |
e929a76b LW |
952 | if (strEQ(d,"require")) { |
953 | allstabs = TRUE; /* must initialize everything since */ | |
954 | UNI(O_REQUIRE); /* we don't know what will be used */ | |
955 | } | |
378cc40b LW |
956 | if (strEQ(d,"reset")) |
957 | UNI(O_RESET); | |
958 | if (strEQ(d,"redo")) | |
959 | LOOPX(O_REDO); | |
960 | if (strEQ(d,"rename")) | |
961 | FUN2(O_RENAME); | |
a687059c LW |
962 | if (strEQ(d,"rand")) |
963 | UNI(O_RAND); | |
964 | if (strEQ(d,"rmdir")) | |
965 | UNI(O_RMDIR); | |
966 | if (strEQ(d,"rindex")) | |
967 | FUN2(O_RINDEX); | |
968 | if (strEQ(d,"read")) | |
969 | FOP3(O_READ); | |
970 | if (strEQ(d,"readdir")) | |
971 | FOP(O_READDIR); | |
972 | if (strEQ(d,"rewinddir")) | |
973 | FOP(O_REWINDDIR); | |
974 | if (strEQ(d,"recv")) | |
975 | FOP4(O_RECV); | |
976 | if (strEQ(d,"reverse")) | |
977 | LOP(O_REVERSE); | |
978 | if (strEQ(d,"readlink")) | |
979 | UNI(O_READLINK); | |
980 | break; | |
378cc40b | 981 | case 's': case 'S': |
663a0e37 LW |
982 | if (s[1] == '\'') { |
983 | d = "s"; | |
984 | s++; | |
985 | } | |
986 | else { | |
987 | SNARFWORD; | |
988 | } | |
378cc40b LW |
989 | if (strEQ(d,"s")) { |
990 | s = scansubst(s); | |
a687059c LW |
991 | if (yylval.arg) |
992 | TERM(SUBST); | |
993 | else | |
994 | RETURN(1); /* force error */ | |
995 | } | |
996 | switch (d[1]) { | |
997 | case 'a': | |
998 | case 'b': | |
999 | case 'c': | |
1000 | case 'd': | |
1001 | break; | |
1002 | case 'e': | |
1003 | if (strEQ(d,"select")) | |
e929a76b | 1004 | OPERATOR(SSELECT); |
a687059c LW |
1005 | if (strEQ(d,"seek")) |
1006 | FOP3(O_SEEK); | |
1007 | if (strEQ(d,"send")) | |
1008 | FOP3(O_SEND); | |
1009 | if (strEQ(d,"setpgrp")) | |
1010 | FUN2(O_SETPGRP); | |
1011 | if (strEQ(d,"setpriority")) | |
1012 | FUN3(O_SETPRIORITY); | |
1013 | if (strEQ(d,"sethostent")) | |
1014 | FUN1(O_SHOSTENT); | |
1015 | if (strEQ(d,"setnetent")) | |
1016 | FUN1(O_SNETENT); | |
1017 | if (strEQ(d,"setservent")) | |
1018 | FUN1(O_SSERVENT); | |
1019 | if (strEQ(d,"setprotoent")) | |
1020 | FUN1(O_SPROTOENT); | |
1021 | if (strEQ(d,"setpwent")) | |
1022 | FUN0(O_SPWENT); | |
1023 | if (strEQ(d,"setgrent")) | |
1024 | FUN0(O_SGRENT); | |
1025 | if (strEQ(d,"seekdir")) | |
1026 | FOP2(O_SEEKDIR); | |
1027 | if (strEQ(d,"setsockopt")) | |
1028 | FOP4(O_SSOCKOPT); | |
1029 | break; | |
1030 | case 'f': | |
1031 | case 'g': | |
1032 | break; | |
1033 | case 'h': | |
1034 | if (strEQ(d,"shift")) | |
1035 | TERM(SHIFT); | |
1036 | if (strEQ(d,"shutdown")) | |
1037 | FOP2(O_SHUTDOWN); | |
1038 | break; | |
1039 | case 'i': | |
1040 | if (strEQ(d,"sin")) | |
1041 | UNI(O_SIN); | |
1042 | break; | |
1043 | case 'j': | |
1044 | case 'k': | |
1045 | break; | |
1046 | case 'l': | |
1047 | if (strEQ(d,"sleep")) | |
1048 | UNI(O_SLEEP); | |
1049 | break; | |
1050 | case 'm': | |
1051 | case 'n': | |
1052 | break; | |
1053 | case 'o': | |
1054 | if (strEQ(d,"socket")) | |
1055 | FOP4(O_SOCKET); | |
1056 | if (strEQ(d,"socketpair")) | |
e929a76b | 1057 | FOP25(O_SOCKPAIR); |
a687059c LW |
1058 | if (strEQ(d,"sort")) { |
1059 | checkcomma(s,"subroutine name"); | |
1060 | d = bufend; | |
1061 | while (s < d && isascii(*s) && isspace(*s)) s++; | |
1062 | if (*s == ';' || *s == ')') /* probably a close */ | |
1063 | fatal("sort is now a reserved word"); | |
1064 | if (isascii(*s) && (isalpha(*s) || *s == '_')) { | |
1065 | for (d = s; isalpha(*d) || isdigit(*d) || *d == '_'; d++) ; | |
03a14243 LW |
1066 | strncpy(tokenbuf,s,d-s); |
1067 | if (strNE(tokenbuf,"keys") && | |
1068 | strNE(tokenbuf,"values") && | |
1069 | strNE(tokenbuf,"split") && | |
1070 | strNE(tokenbuf,"grep") && | |
1071 | strNE(tokenbuf,"readdir") && | |
1072 | strNE(tokenbuf,"unpack") && | |
1073 | strNE(tokenbuf,"do") && | |
1074 | (d >= bufend || isspace(*d)) ) | |
a687059c LW |
1075 | *(--s) = '\\'; /* force next ident to WORD */ |
1076 | } | |
1077 | LOP(O_SORT); | |
1078 | } | |
1079 | break; | |
1080 | case 'p': | |
1081 | if (strEQ(d,"split")) | |
1082 | TERM(SPLIT); | |
1083 | if (strEQ(d,"sprintf")) | |
1084 | FL(O_SPRINTF); | |
79a0689e LW |
1085 | if (strEQ(d,"splice")) { |
1086 | yylval.ival = O_SPLICE; | |
1087 | OPERATOR(PUSH); | |
1088 | } | |
a687059c LW |
1089 | break; |
1090 | case 'q': | |
1091 | if (strEQ(d,"sqrt")) | |
1092 | UNI(O_SQRT); | |
1093 | break; | |
1094 | case 'r': | |
1095 | if (strEQ(d,"srand")) | |
1096 | UNI(O_SRAND); | |
1097 | break; | |
1098 | case 's': | |
1099 | break; | |
1100 | case 't': | |
1101 | if (strEQ(d,"stat")) | |
1102 | FOP(O_STAT); | |
1103 | if (strEQ(d,"study")) { | |
1104 | sawstudy++; | |
1105 | LFUN(O_STUDY); | |
1106 | } | |
1107 | break; | |
1108 | case 'u': | |
1109 | if (strEQ(d,"substr")) | |
1110 | FUN3(O_SUBSTR); | |
1111 | if (strEQ(d,"sub")) { | |
e929a76b | 1112 | subline = curcmd->c_line; |
a687059c LW |
1113 | d = bufend; |
1114 | while (s < d && isspace(*s)) | |
1115 | s++; | |
1116 | if (isalpha(*s) || *s == '_' || *s == '\'') { | |
1117 | if (perldb) { | |
1118 | str_sset(subname,curstname); | |
1119 | str_ncat(subname,"'",1); | |
1120 | for (d = s+1; | |
1121 | isalpha(*d) || isdigit(*d) || *d == '_' || *d == '\''; | |
1122 | d++); | |
1123 | if (d[-1] == '\'') | |
1124 | d--; | |
1125 | str_ncat(subname,s,d-s); | |
1126 | } | |
1127 | *(--s) = '\\'; /* force next ident to WORD */ | |
1128 | } | |
1129 | else if (perldb) | |
1130 | str_set(subname,"?"); | |
1131 | OPERATOR(SUB); | |
1132 | } | |
1133 | break; | |
1134 | case 'v': | |
1135 | case 'w': | |
1136 | case 'x': | |
1137 | break; | |
1138 | case 'y': | |
1139 | if (strEQ(d,"system")) { | |
1140 | set_csh(); | |
1141 | LOP(O_SYSTEM); | |
1142 | } | |
1143 | if (strEQ(d,"symlink")) | |
1144 | FUN2(O_SYMLINK); | |
1145 | if (strEQ(d,"syscall")) | |
1146 | LOP(O_SYSCALL); | |
1147 | break; | |
1148 | case 'z': | |
1149 | break; | |
1150 | } | |
1151 | break; | |
378cc40b LW |
1152 | case 't': case 'T': |
1153 | SNARFWORD; | |
1154 | if (strEQ(d,"tr")) { | |
1155 | s = scantrans(s); | |
a687059c LW |
1156 | if (yylval.arg) |
1157 | TERM(TRANS); | |
1158 | else | |
1159 | RETURN(1); /* force error */ | |
378cc40b LW |
1160 | } |
1161 | if (strEQ(d,"tell")) | |
a687059c LW |
1162 | FOP(O_TELL); |
1163 | if (strEQ(d,"telldir")) | |
1164 | FOP(O_TELLDIR); | |
378cc40b LW |
1165 | if (strEQ(d,"time")) |
1166 | FUN0(O_TIME); | |
1167 | if (strEQ(d,"times")) | |
1168 | FUN0(O_TMS); | |
e929a76b LW |
1169 | if (strEQ(d,"truncate")) |
1170 | FOP2(O_TRUNCATE); | |
a687059c | 1171 | break; |
378cc40b LW |
1172 | case 'u': case 'U': |
1173 | SNARFWORD; | |
1174 | if (strEQ(d,"using")) | |
1175 | OPERATOR(USING); | |
1176 | if (strEQ(d,"until")) { | |
e929a76b | 1177 | yylval.ival = curcmd->c_line; |
378cc40b LW |
1178 | OPERATOR(UNTIL); |
1179 | } | |
1180 | if (strEQ(d,"unless")) { | |
e929a76b | 1181 | yylval.ival = curcmd->c_line; |
378cc40b LW |
1182 | OPERATOR(UNLESS); |
1183 | } | |
a687059c LW |
1184 | if (strEQ(d,"unlink")) |
1185 | LOP(O_UNLINK); | |
1186 | if (strEQ(d,"undef")) | |
1187 | LFUN(O_UNDEF); | |
1188 | if (strEQ(d,"unpack")) | |
1189 | FUN2(O_UNPACK); | |
1190 | if (strEQ(d,"utime")) | |
1191 | LOP(O_UTIME); | |
378cc40b | 1192 | if (strEQ(d,"umask")) |
a687059c | 1193 | UNI(O_UMASK); |
378cc40b LW |
1194 | if (strEQ(d,"unshift")) { |
1195 | yylval.ival = O_UNSHIFT; | |
1196 | OPERATOR(PUSH); | |
1197 | } | |
a687059c | 1198 | break; |
378cc40b LW |
1199 | case 'v': case 'V': |
1200 | SNARFWORD; | |
1201 | if (strEQ(d,"values")) | |
a687059c LW |
1202 | HFUN(O_VALUES); |
1203 | if (strEQ(d,"vec")) { | |
1204 | sawvec = TRUE; | |
1205 | FUN3(O_VEC); | |
1206 | } | |
1207 | break; | |
378cc40b LW |
1208 | case 'w': case 'W': |
1209 | SNARFWORD; | |
378cc40b | 1210 | if (strEQ(d,"while")) { |
e929a76b | 1211 | yylval.ival = curcmd->c_line; |
378cc40b LW |
1212 | OPERATOR(WHILE); |
1213 | } | |
a687059c LW |
1214 | if (strEQ(d,"warn")) |
1215 | LOP(O_WARN); | |
378cc40b LW |
1216 | if (strEQ(d,"wait")) |
1217 | FUN0(O_WAIT); | |
a687059c LW |
1218 | if (strEQ(d,"wantarray")) { |
1219 | yylval.arg = op_new(1); | |
1220 | yylval.arg->arg_type = O_ITEM; | |
1221 | yylval.arg[1].arg_type = A_WANTARRAY; | |
1222 | TERM(RSTRING); | |
1223 | } | |
1224 | if (strEQ(d,"write")) | |
1225 | FOP(O_WRITE); | |
1226 | break; | |
378cc40b LW |
1227 | case 'x': case 'X': |
1228 | SNARFWORD; | |
1229 | if (!expectterm && strEQ(d,"x")) | |
a687059c LW |
1230 | MOP(O_REPEAT); |
1231 | break; | |
378cc40b | 1232 | case 'y': case 'Y': |
663a0e37 LW |
1233 | if (s[1] == '\'') { |
1234 | d = "y"; | |
1235 | s++; | |
1236 | } | |
1237 | else { | |
1238 | SNARFWORD; | |
1239 | } | |
378cc40b LW |
1240 | if (strEQ(d,"y")) { |
1241 | s = scantrans(s); | |
1242 | TERM(TRANS); | |
1243 | } | |
a687059c | 1244 | break; |
378cc40b LW |
1245 | case 'z': case 'Z': |
1246 | SNARFWORD; | |
a687059c LW |
1247 | break; |
1248 | } | |
1249 | yylval.cval = savestr(d); | |
1250 | expectterm = FALSE; | |
1251 | if (oldoldbufptr && oldoldbufptr < bufptr) { | |
1252 | while (isspace(*oldoldbufptr)) | |
1253 | oldoldbufptr++; | |
1254 | if (*oldoldbufptr == 'p' && strnEQ(oldoldbufptr,"print",5)) | |
1255 | expectterm = TRUE; | |
1256 | else if (*oldoldbufptr == 's' && strnEQ(oldoldbufptr,"sort",4)) | |
1257 | expectterm = TRUE; | |
1258 | } | |
1259 | return (CLINE, bufptr = s, (int)WORD); | |
1260 | } | |
1261 | ||
1262 | int | |
1263 | checkcomma(s,what) | |
1264 | register char *s; | |
1265 | char *what; | |
1266 | { | |
e929a76b LW |
1267 | char *word; |
1268 | ||
a687059c LW |
1269 | if (*s == '(') |
1270 | s++; | |
1271 | while (s < bufend && isascii(*s) && isspace(*s)) | |
1272 | s++; | |
1273 | if (isascii(*s) && (isalpha(*s) || *s == '_')) { | |
e929a76b | 1274 | word = s++; |
a687059c LW |
1275 | while (isalpha(*s) || isdigit(*s) || *s == '_') |
1276 | s++; | |
1277 | while (s < bufend && isspace(*s)) | |
1278 | s++; | |
e929a76b LW |
1279 | if (*s == ',') { |
1280 | *s = '\0'; | |
1281 | word = instr( | |
1282 | "tell eof times getlogin wait length shift umask getppid \ | |
1283 | cos exp int log rand sin sqrt ord wantarray", | |
1284 | word); | |
1285 | *s = ','; | |
1286 | if (word) | |
1287 | return; | |
a687059c | 1288 | fatal("No comma allowed after %s", what); |
e929a76b | 1289 | } |
378cc40b LW |
1290 | } |
1291 | } | |
1292 | ||
1293 | char * | |
a687059c | 1294 | scanreg(s,send,dest) |
378cc40b | 1295 | register char *s; |
a687059c | 1296 | register char *send; |
378cc40b LW |
1297 | char *dest; |
1298 | { | |
1299 | register char *d; | |
a687059c | 1300 | int brackets = 0; |
378cc40b | 1301 | |
a687059c | 1302 | reparse = Nullch; |
378cc40b LW |
1303 | s++; |
1304 | d = dest; | |
1305 | if (isdigit(*s)) { | |
a687059c | 1306 | while (isdigit(*s)) |
378cc40b LW |
1307 | *d++ = *s++; |
1308 | } | |
1309 | else { | |
a687059c | 1310 | while (isalpha(*s) || isdigit(*s) || *s == '_' || *s == '\'') |
378cc40b LW |
1311 | *d++ = *s++; |
1312 | } | |
663a0e37 | 1313 | while (d > dest+1 && d[-1] == '\'') |
a687059c | 1314 | d--,s--; |
378cc40b LW |
1315 | *d = '\0'; |
1316 | d = dest; | |
1317 | if (!*d) { | |
1318 | *d = *s++; | |
a687059c | 1319 | if (*d == '{' /* } */ ) { |
378cc40b | 1320 | d = dest; |
a687059c LW |
1321 | brackets++; |
1322 | while (s < send && brackets) { | |
1323 | if (!reparse && (d == dest || (*s && isascii(*s) && | |
1324 | (isalpha(*s) || isdigit(*s) || *s == '_') ))) { | |
1325 | *d++ = *s++; | |
1326 | continue; | |
1327 | } | |
1328 | else if (!reparse) | |
1329 | reparse = s; | |
1330 | switch (*s++) { | |
1331 | /* { */ | |
1332 | case '}': | |
1333 | brackets--; | |
1334 | if (reparse && reparse == s - 1) | |
1335 | reparse = Nullch; | |
1336 | break; | |
1337 | case '{': /* } */ | |
1338 | brackets++; | |
1339 | break; | |
1340 | } | |
1341 | } | |
378cc40b LW |
1342 | *d = '\0'; |
1343 | d = dest; | |
378cc40b LW |
1344 | } |
1345 | else | |
1346 | d[1] = '\0'; | |
1347 | } | |
1348 | if (*d == '^' && !isspace(*s)) | |
1349 | *d = *s++ & 31; | |
1350 | return s; | |
1351 | } | |
1352 | ||
1353 | STR * | |
a687059c | 1354 | scanconst(string,len) |
378cc40b | 1355 | char *string; |
a687059c | 1356 | int len; |
378cc40b LW |
1357 | { |
1358 | register STR *retstr; | |
1359 | register char *t; | |
1360 | register char *d; | |
a687059c | 1361 | register char *e; |
378cc40b LW |
1362 | |
1363 | if (index(string,'|')) { | |
1364 | return Nullstr; | |
1365 | } | |
a687059c LW |
1366 | retstr = Str_new(86,len); |
1367 | str_nset(retstr,string,len); | |
378cc40b | 1368 | t = str_get(retstr); |
a687059c LW |
1369 | e = t + len; |
1370 | retstr->str_u.str_useful = 100; | |
1371 | for (d=t; d < e; ) { | |
378cc40b | 1372 | switch (*d) { |
a687059c LW |
1373 | case '{': |
1374 | if (isdigit(d[1])) | |
1375 | e = d; | |
1376 | else | |
1377 | goto defchar; | |
1378 | break; | |
1379 | case '.': case '[': case '$': case '(': case ')': case '|': case '+': | |
1380 | e = d; | |
378cc40b LW |
1381 | break; |
1382 | case '\\': | |
a687059c LW |
1383 | if (d[1] && index("wWbB0123456789sSdD",d[1])) { |
1384 | e = d; | |
378cc40b LW |
1385 | break; |
1386 | } | |
a687059c LW |
1387 | (void)bcopy(d+1,d,e-d); |
1388 | e--; | |
378cc40b LW |
1389 | switch(*d) { |
1390 | case 'n': | |
1391 | *d = '\n'; | |
1392 | break; | |
1393 | case 't': | |
1394 | *d = '\t'; | |
1395 | break; | |
1396 | case 'f': | |
1397 | *d = '\f'; | |
1398 | break; | |
1399 | case 'r': | |
1400 | *d = '\r'; | |
1401 | break; | |
1402 | } | |
1403 | /* FALL THROUGH */ | |
1404 | default: | |
a687059c LW |
1405 | defchar: |
1406 | if (d[1] == '*' || (d[1] == '{' && d[2] == '0') || d[1] == '?') { | |
1407 | e = d; | |
378cc40b LW |
1408 | break; |
1409 | } | |
1410 | d++; | |
1411 | } | |
1412 | } | |
a687059c | 1413 | if (d == t) { |
378cc40b LW |
1414 | str_free(retstr); |
1415 | return Nullstr; | |
1416 | } | |
a687059c LW |
1417 | *d = '\0'; |
1418 | retstr->str_cur = d - t; | |
378cc40b LW |
1419 | return retstr; |
1420 | } | |
1421 | ||
1422 | char * | |
1423 | scanpat(s) | |
1424 | register char *s; | |
1425 | { | |
a687059c | 1426 | register SPAT *spat; |
378cc40b | 1427 | register char *d; |
a687059c LW |
1428 | register char *e; |
1429 | int len; | |
1430 | SPAT savespat; | |
378cc40b | 1431 | |
a687059c LW |
1432 | Newz(801,spat,1,SPAT); |
1433 | spat->spat_next = curstash->tbl_spatroot; /* link into spat list */ | |
1434 | curstash->tbl_spatroot = spat; | |
378cc40b LW |
1435 | |
1436 | switch (*s++) { | |
1437 | case 'm': | |
1438 | s++; | |
1439 | break; | |
1440 | case '/': | |
1441 | break; | |
1442 | case '?': | |
1443 | spat->spat_flags |= SPAT_ONCE; | |
1444 | break; | |
1445 | default: | |
1446 | fatal("panic: scanpat"); | |
1447 | } | |
a687059c LW |
1448 | s = cpytill(tokenbuf,s,bufend,s[-1],&len); |
1449 | if (s >= bufend) { | |
1450 | yyerror("Search pattern not terminated"); | |
1451 | yylval.arg = Nullarg; | |
1452 | return s; | |
1453 | } | |
378cc40b | 1454 | s++; |
a687059c LW |
1455 | while (*s == 'i' || *s == 'o') { |
1456 | if (*s == 'i') { | |
1457 | s++; | |
1458 | sawi = TRUE; | |
1459 | spat->spat_flags |= SPAT_FOLD; | |
1460 | } | |
1461 | if (*s == 'o') { | |
1462 | s++; | |
1463 | spat->spat_flags |= SPAT_KEEP; | |
1464 | } | |
378cc40b | 1465 | } |
a687059c LW |
1466 | e = tokenbuf + len; |
1467 | for (d=tokenbuf; d < e; d++) { | |
e929a76b LW |
1468 | if (*d == '\\') |
1469 | d++; | |
1470 | else if ((*d == '$' && d[1] && d[1] != '|' && d[1] != ')') || | |
1471 | (*d == '@')) { | |
378cc40b LW |
1472 | register ARG *arg; |
1473 | ||
1474 | spat->spat_runtime = arg = op_new(1); | |
1475 | arg->arg_type = O_ITEM; | |
1476 | arg[1].arg_type = A_DOUBLE; | |
a687059c LW |
1477 | arg[1].arg_ptr.arg_str = str_make(tokenbuf,len); |
1478 | arg[1].arg_ptr.arg_str->str_u.str_hash = curstash; | |
1479 | d = scanreg(d,bufend,buf); | |
1480 | (void)stabent(buf,TRUE); /* make sure it's created */ | |
1481 | for (; d < e; d++) { | |
e929a76b LW |
1482 | if (*d == '\\') |
1483 | d++; | |
1484 | else if (*d == '$' && d[1] && d[1] != '|' && d[1] != ')') { | |
a687059c LW |
1485 | d = scanreg(d,bufend,buf); |
1486 | (void)stabent(buf,TRUE); | |
1487 | } | |
e929a76b | 1488 | else if (*d == '@') { |
a687059c LW |
1489 | d = scanreg(d,bufend,buf); |
1490 | if (strEQ(buf,"ARGV") || strEQ(buf,"ENV") || | |
1491 | strEQ(buf,"SIG") || strEQ(buf,"INC")) | |
1492 | (void)stabent(buf,TRUE); | |
1493 | } | |
1494 | } | |
378cc40b LW |
1495 | goto got_pat; /* skip compiling for now */ |
1496 | } | |
1497 | } | |
a687059c LW |
1498 | if (spat->spat_flags & SPAT_FOLD) |
1499 | #ifdef STRUCTCOPY | |
1500 | savespat = *spat; | |
1501 | #else | |
1502 | (void)bcopy((char *)spat, (char *)&savespat, sizeof(SPAT)); | |
1503 | #endif | |
1504 | if (*tokenbuf == '^') { | |
1505 | spat->spat_short = scanconst(tokenbuf+1,len-1); | |
1506 | if (spat->spat_short) { | |
1507 | spat->spat_slen = spat->spat_short->str_cur; | |
1508 | if (spat->spat_slen == len - 1) | |
1509 | spat->spat_flags |= SPAT_ALL; | |
378cc40b | 1510 | } |
378cc40b | 1511 | } |
a687059c LW |
1512 | else { |
1513 | spat->spat_flags |= SPAT_SCANFIRST; | |
1514 | spat->spat_short = scanconst(tokenbuf,len); | |
1515 | if (spat->spat_short) { | |
1516 | spat->spat_slen = spat->spat_short->str_cur; | |
1517 | if (spat->spat_slen == len) | |
1518 | spat->spat_flags |= SPAT_ALL; | |
1519 | } | |
1520 | } | |
1521 | if ((spat->spat_flags & SPAT_ALL) && (spat->spat_flags & SPAT_SCANFIRST)) { | |
1522 | fbmcompile(spat->spat_short, spat->spat_flags & SPAT_FOLD); | |
1523 | spat->spat_regexp = regcomp(tokenbuf,tokenbuf+len, | |
e929a76b | 1524 | spat->spat_flags & SPAT_FOLD); |
a687059c LW |
1525 | /* Note that this regexp can still be used if someone says |
1526 | * something like /a/ && s//b/; so we can't delete it. | |
1527 | */ | |
1528 | } | |
1529 | else { | |
1530 | if (spat->spat_flags & SPAT_FOLD) | |
1531 | #ifdef STRUCTCOPY | |
1532 | *spat = savespat; | |
1533 | #else | |
1534 | (void)bcopy((char *)&savespat, (char *)spat, sizeof(SPAT)); | |
1535 | #endif | |
1536 | if (spat->spat_short) | |
1537 | fbmcompile(spat->spat_short, spat->spat_flags & SPAT_FOLD); | |
1538 | spat->spat_regexp = regcomp(tokenbuf,tokenbuf+len, | |
1539 | spat->spat_flags & SPAT_FOLD,1); | |
1540 | hoistmust(spat); | |
1541 | } | |
378cc40b LW |
1542 | got_pat: |
1543 | yylval.arg = make_match(O_MATCH,stab2arg(A_STAB,defstab),spat); | |
1544 | return s; | |
1545 | } | |
1546 | ||
1547 | char * | |
1548 | scansubst(s) | |
1549 | register char *s; | |
1550 | { | |
a687059c | 1551 | register SPAT *spat; |
378cc40b | 1552 | register char *d; |
a687059c LW |
1553 | register char *e; |
1554 | int len; | |
378cc40b | 1555 | |
a687059c LW |
1556 | Newz(802,spat,1,SPAT); |
1557 | spat->spat_next = curstash->tbl_spatroot; /* link into spat list */ | |
1558 | curstash->tbl_spatroot = spat; | |
378cc40b | 1559 | |
a687059c LW |
1560 | s = cpytill(tokenbuf,s+1,bufend,*s,&len); |
1561 | if (s >= bufend) { | |
1562 | yyerror("Substitution pattern not terminated"); | |
1563 | yylval.arg = Nullarg; | |
1564 | return s; | |
1565 | } | |
1566 | e = tokenbuf + len; | |
1567 | for (d=tokenbuf; d < e; d++) { | |
1568 | if ((*d == '$' && d[1] && d[-1] != '\\' && d[1] != '|') || | |
1569 | (*d == '@' && d[-1] != '\\')) { | |
378cc40b LW |
1570 | register ARG *arg; |
1571 | ||
1572 | spat->spat_runtime = arg = op_new(1); | |
1573 | arg->arg_type = O_ITEM; | |
1574 | arg[1].arg_type = A_DOUBLE; | |
a687059c LW |
1575 | arg[1].arg_ptr.arg_str = str_make(tokenbuf,len); |
1576 | arg[1].arg_ptr.arg_str->str_u.str_hash = curstash; | |
1577 | d = scanreg(d,bufend,buf); | |
1578 | (void)stabent(buf,TRUE); /* make sure it's created */ | |
1579 | for (; *d; d++) { | |
1580 | if (*d == '$' && d[1] && d[-1] != '\\' && d[1] != '|') { | |
1581 | d = scanreg(d,bufend,buf); | |
1582 | (void)stabent(buf,TRUE); | |
1583 | } | |
1584 | else if (*d == '@' && d[-1] != '\\') { | |
1585 | d = scanreg(d,bufend,buf); | |
1586 | if (strEQ(buf,"ARGV") || strEQ(buf,"ENV") || | |
1587 | strEQ(buf,"SIG") || strEQ(buf,"INC")) | |
1588 | (void)stabent(buf,TRUE); | |
1589 | } | |
1590 | } | |
378cc40b LW |
1591 | goto get_repl; /* skip compiling for now */ |
1592 | } | |
1593 | } | |
1594 | if (*tokenbuf == '^') { | |
a687059c | 1595 | spat->spat_short = scanconst(tokenbuf+1,len-1); |
378cc40b | 1596 | if (spat->spat_short) |
a687059c | 1597 | spat->spat_slen = spat->spat_short->str_cur; |
378cc40b LW |
1598 | } |
1599 | else { | |
1600 | spat->spat_flags |= SPAT_SCANFIRST; | |
a687059c | 1601 | spat->spat_short = scanconst(tokenbuf,len); |
378cc40b | 1602 | if (spat->spat_short) |
a687059c LW |
1603 | spat->spat_slen = spat->spat_short->str_cur; |
1604 | } | |
1605 | d = nsavestr(tokenbuf,len); | |
378cc40b LW |
1606 | get_repl: |
1607 | s = scanstr(s); | |
a687059c LW |
1608 | if (s >= bufend) { |
1609 | yyerror("Substitution replacement not terminated"); | |
1610 | yylval.arg = Nullarg; | |
1611 | return s; | |
1612 | } | |
378cc40b LW |
1613 | spat->spat_repl = yylval.arg; |
1614 | spat->spat_flags |= SPAT_ONCE; | |
a687059c LW |
1615 | if ((spat->spat_repl[1].arg_type & A_MASK) == A_SINGLE) |
1616 | spat->spat_flags |= SPAT_CONST; | |
1617 | else if ((spat->spat_repl[1].arg_type & A_MASK) == A_DOUBLE) { | |
1618 | STR *tmpstr; | |
1619 | register char *t; | |
1620 | ||
1621 | spat->spat_flags |= SPAT_CONST; | |
1622 | tmpstr = spat->spat_repl[1].arg_ptr.arg_str; | |
1623 | e = tmpstr->str_ptr + tmpstr->str_cur; | |
1624 | for (t = tmpstr->str_ptr; t < e; t++) { | |
9f68db38 LW |
1625 | if (*t == '$' && t[1] && (index("`'&+0123456789",t[1]) || |
1626 | (t[1] == '{' /*}*/ && isdigit(t[2])) )) | |
a687059c LW |
1627 | spat->spat_flags &= ~SPAT_CONST; |
1628 | } | |
1629 | } | |
1630 | while (*s == 'g' || *s == 'i' || *s == 'e' || *s == 'o') { | |
1631 | if (*s == 'e') { | |
1632 | s++; | |
1633 | if ((spat->spat_repl[1].arg_type & A_MASK) == A_DOUBLE) | |
1634 | spat->spat_repl[1].arg_type = A_SINGLE; | |
1635 | spat->spat_repl = fixeval(make_op(O_EVAL,2, | |
1636 | spat->spat_repl, | |
1637 | Nullarg, | |
1638 | Nullarg)); | |
1639 | spat->spat_flags &= ~SPAT_CONST; | |
1640 | } | |
378cc40b LW |
1641 | if (*s == 'g') { |
1642 | s++; | |
1643 | spat->spat_flags &= ~SPAT_ONCE; | |
1644 | } | |
1645 | if (*s == 'i') { | |
1646 | s++; | |
a687059c | 1647 | sawi = TRUE; |
378cc40b | 1648 | spat->spat_flags |= SPAT_FOLD; |
a687059c LW |
1649 | if (!(spat->spat_flags & SPAT_SCANFIRST)) { |
1650 | str_free(spat->spat_short); /* anchored opt doesn't do */ | |
1651 | spat->spat_short = Nullstr; /* case insensitive match */ | |
1652 | spat->spat_slen = 0; | |
1653 | } | |
1654 | } | |
1655 | if (*s == 'o') { | |
1656 | s++; | |
1657 | spat->spat_flags |= SPAT_KEEP; | |
378cc40b LW |
1658 | } |
1659 | } | |
a687059c LW |
1660 | if (spat->spat_short && (spat->spat_flags & SPAT_SCANFIRST)) |
1661 | fbmcompile(spat->spat_short, spat->spat_flags & SPAT_FOLD); | |
378cc40b | 1662 | if (!spat->spat_runtime) { |
a687059c | 1663 | spat->spat_regexp = regcomp(d,d+len,spat->spat_flags & SPAT_FOLD,1); |
378cc40b | 1664 | hoistmust(spat); |
a687059c | 1665 | Safefree(d); |
378cc40b LW |
1666 | } |
1667 | yylval.arg = make_match(O_SUBST,stab2arg(A_STAB,defstab),spat); | |
1668 | return s; | |
1669 | } | |
1670 | ||
1671 | hoistmust(spat) | |
1672 | register SPAT *spat; | |
1673 | { | |
1674 | if (spat->spat_regexp->regmust) { /* is there a better short-circuit? */ | |
1675 | if (spat->spat_short && | |
a687059c LW |
1676 | str_eq(spat->spat_short,spat->spat_regexp->regmust)) |
1677 | { | |
378cc40b LW |
1678 | if (spat->spat_flags & SPAT_SCANFIRST) { |
1679 | str_free(spat->spat_short); | |
1680 | spat->spat_short = Nullstr; | |
1681 | } | |
1682 | else { | |
1683 | str_free(spat->spat_regexp->regmust); | |
1684 | spat->spat_regexp->regmust = Nullstr; | |
1685 | return; | |
1686 | } | |
1687 | } | |
1688 | if (!spat->spat_short || /* promote the better string */ | |
1689 | ((spat->spat_flags & SPAT_SCANFIRST) && | |
1690 | (spat->spat_short->str_cur < spat->spat_regexp->regmust->str_cur) )){ | |
1691 | str_free(spat->spat_short); /* ok if null */ | |
1692 | spat->spat_short = spat->spat_regexp->regmust; | |
1693 | spat->spat_regexp->regmust = Nullstr; | |
1694 | spat->spat_flags |= SPAT_SCANFIRST; | |
1695 | } | |
1696 | } | |
1697 | } | |
1698 | ||
1699 | char * | |
a687059c | 1700 | expand_charset(s,len,retlen) |
378cc40b | 1701 | register char *s; |
a687059c LW |
1702 | int len; |
1703 | int *retlen; | |
378cc40b | 1704 | { |
e929a76b | 1705 | char t[520]; |
378cc40b LW |
1706 | register char *d = t; |
1707 | register int i; | |
a687059c | 1708 | register char *send = s + len; |
378cc40b | 1709 | |
e929a76b | 1710 | while (s < send && d - t <= 256) { |
a687059c | 1711 | if (s[1] == '-' && s+2 < send) { |
378cc40b LW |
1712 | for (i = s[0]; i <= s[2]; i++) |
1713 | *d++ = i; | |
1714 | s += 3; | |
1715 | } | |
1716 | else | |
1717 | *d++ = *s++; | |
1718 | } | |
1719 | *d = '\0'; | |
a687059c LW |
1720 | *retlen = d - t; |
1721 | return nsavestr(t,d-t); | |
378cc40b LW |
1722 | } |
1723 | ||
1724 | char * | |
1725 | scantrans(s) | |
1726 | register char *s; | |
1727 | { | |
1728 | ARG *arg = | |
a687059c | 1729 | l(make_op(O_TRANS,2,stab2arg(A_STAB,defstab),Nullarg,Nullarg)); |
378cc40b LW |
1730 | register char *t; |
1731 | register char *r; | |
a687059c | 1732 | register char *tbl; |
378cc40b | 1733 | register int i; |
13281fa4 | 1734 | register int j; |
a687059c | 1735 | int tlen, rlen; |
378cc40b | 1736 | |
a687059c | 1737 | Newz(803,tbl,256,char); |
378cc40b LW |
1738 | arg[2].arg_type = A_NULL; |
1739 | arg[2].arg_ptr.arg_cval = tbl; | |
378cc40b | 1740 | s = scanstr(s); |
a687059c LW |
1741 | if (s >= bufend) { |
1742 | yyerror("Translation pattern not terminated"); | |
1743 | yylval.arg = Nullarg; | |
1744 | return s; | |
1745 | } | |
1746 | t = expand_charset(yylval.arg[1].arg_ptr.arg_str->str_ptr, | |
1747 | yylval.arg[1].arg_ptr.arg_str->str_cur,&tlen); | |
378cc40b LW |
1748 | free_arg(yylval.arg); |
1749 | s = scanstr(s-1); | |
a687059c LW |
1750 | if (s >= bufend) { |
1751 | yyerror("Translation replacement not terminated"); | |
1752 | yylval.arg = Nullarg; | |
1753 | return s; | |
1754 | } | |
1755 | r = expand_charset(yylval.arg[1].arg_ptr.arg_str->str_ptr, | |
1756 | yylval.arg[1].arg_ptr.arg_str->str_cur,&rlen); | |
378cc40b LW |
1757 | free_arg(yylval.arg); |
1758 | yylval.arg = arg; | |
1759 | if (!*r) { | |
a687059c | 1760 | Safefree(r); |
ffed7fef | 1761 | r = t; rlen = tlen; |
378cc40b | 1762 | } |
a687059c LW |
1763 | for (i = 0, j = 0; i < tlen; i++,j++) { |
1764 | if (j >= rlen) | |
13281fa4 LW |
1765 | --j; |
1766 | tbl[t[i] & 0377] = r[j]; | |
378cc40b LW |
1767 | } |
1768 | if (r != t) | |
a687059c LW |
1769 | Safefree(r); |
1770 | Safefree(t); | |
378cc40b LW |
1771 | return s; |
1772 | } | |
1773 | ||
1774 | char * | |
1775 | scanstr(s) | |
1776 | register char *s; | |
1777 | { | |
1778 | register char term; | |
1779 | register char *d; | |
1780 | register ARG *arg; | |
a687059c | 1781 | register char *send; |
378cc40b LW |
1782 | register bool makesingle = FALSE; |
1783 | register STAB *stab; | |
a687059c LW |
1784 | bool alwaysdollar = FALSE; |
1785 | bool hereis = FALSE; | |
1786 | STR *herewas; | |
e929a76b | 1787 | STR *str; |
a687059c LW |
1788 | char *leave = "\\$@nrtfb0123456789[{]}"; /* which backslash sequences to keep */ |
1789 | int len; | |
378cc40b LW |
1790 | |
1791 | arg = op_new(1); | |
1792 | yylval.arg = arg; | |
1793 | arg->arg_type = O_ITEM; | |
1794 | ||
1795 | switch (*s) { | |
1796 | default: /* a substitution replacement */ | |
1797 | arg[1].arg_type = A_DOUBLE; | |
1798 | makesingle = TRUE; /* maybe disable runtime scanning */ | |
1799 | term = *s; | |
1800 | if (term == '\'') | |
1801 | leave = Nullch; | |
1802 | goto snarf_it; | |
1803 | case '0': | |
1804 | { | |
1805 | long i; | |
1806 | int shift; | |
1807 | ||
1808 | arg[1].arg_type = A_SINGLE; | |
1809 | if (s[1] == 'x') { | |
1810 | shift = 4; | |
1811 | s += 2; | |
1812 | } | |
1813 | else if (s[1] == '.') | |
1814 | goto decimal; | |
1815 | else | |
1816 | shift = 3; | |
1817 | i = 0; | |
1818 | for (;;) { | |
1819 | switch (*s) { | |
1820 | default: | |
1821 | goto out; | |
1822 | case '8': case '9': | |
1823 | if (shift != 4) | |
a687059c | 1824 | yyerror("Illegal octal digit"); |
378cc40b LW |
1825 | /* FALL THROUGH */ |
1826 | case '0': case '1': case '2': case '3': case '4': | |
1827 | case '5': case '6': case '7': | |
1828 | i <<= shift; | |
1829 | i += *s++ & 15; | |
1830 | break; | |
1831 | case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': | |
1832 | case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': | |
1833 | if (shift != 4) | |
1834 | goto out; | |
1835 | i <<= 4; | |
1836 | i += (*s++ & 7) + 9; | |
1837 | break; | |
1838 | } | |
1839 | } | |
1840 | out: | |
e929a76b LW |
1841 | str = Str_new(92,0); |
1842 | str_numset(str,(double)i); | |
1843 | if (str->str_ptr) { | |
1844 | Safefree(str->str_ptr); | |
1845 | str->str_ptr = Nullch; | |
1846 | str->str_len = str->str_cur = 0; | |
1847 | } | |
1848 | arg[1].arg_ptr.arg_str = str; | |
378cc40b LW |
1849 | } |
1850 | break; | |
1851 | case '1': case '2': case '3': case '4': case '5': | |
1852 | case '6': case '7': case '8': case '9': case '.': | |
1853 | decimal: | |
1854 | arg[1].arg_type = A_SINGLE; | |
1855 | d = tokenbuf; | |
1856 | while (isdigit(*s) || *s == '_') { | |
1857 | if (*s == '_') | |
1858 | s++; | |
1859 | else | |
1860 | *d++ = *s++; | |
1861 | } | |
a687059c | 1862 | if (*s == '.' && s[1] && index("0123456789eE ;",s[1])) { |
378cc40b LW |
1863 | *d++ = *s++; |
1864 | while (isdigit(*s) || *s == '_') { | |
1865 | if (*s == '_') | |
1866 | s++; | |
1867 | else | |
1868 | *d++ = *s++; | |
1869 | } | |
1870 | } | |
a687059c | 1871 | if (*s && index("eE",*s) && index("+-0123456789",s[1])) { |
378cc40b LW |
1872 | *d++ = *s++; |
1873 | if (*s == '+' || *s == '-') | |
1874 | *d++ = *s++; | |
1875 | while (isdigit(*s)) | |
1876 | *d++ = *s++; | |
1877 | } | |
1878 | *d = '\0'; | |
e929a76b LW |
1879 | str = Str_new(92,0); |
1880 | str_numset(str,atof(tokenbuf)); | |
1881 | if (str->str_ptr) { | |
1882 | Safefree(str->str_ptr); | |
1883 | str->str_ptr = Nullch; | |
1884 | str->str_len = str->str_cur = 0; | |
1885 | } | |
1886 | arg[1].arg_ptr.arg_str = str; | |
378cc40b | 1887 | break; |
378cc40b | 1888 | case '<': |
a687059c LW |
1889 | if (*++s == '<') { |
1890 | hereis = TRUE; | |
1891 | d = tokenbuf; | |
1892 | if (!rsfp) | |
1893 | *d++ = '\n'; | |
1894 | if (*++s && index("`'\"",*s)) { | |
1895 | term = *s++; | |
1896 | s = cpytill(d,s,bufend,term,&len); | |
1897 | if (s < bufend) | |
1898 | s++; | |
1899 | d += len; | |
1900 | } | |
1901 | else { | |
1902 | if (*s == '\\') | |
1903 | s++, term = '\''; | |
1904 | else | |
1905 | term = '"'; | |
1906 | while (isascii(*s) && (isalpha(*s) || isdigit(*s) || *s == '_')) | |
1907 | *d++ = *s++; | |
1908 | } /* assuming tokenbuf won't clobber */ | |
1909 | *d++ = '\n'; | |
1910 | *d = '\0'; | |
1911 | len = d - tokenbuf; | |
1912 | d = "\n"; | |
1913 | if (rsfp || !(d=ninstr(s,bufend,d,d+1))) | |
1914 | herewas = str_make(s,bufend-s); | |
1915 | else | |
1916 | s--, herewas = str_make(s,d-s); | |
1917 | s += herewas->str_cur; | |
1918 | if (term == '\'') | |
1919 | goto do_single; | |
1920 | if (term == '`') | |
1921 | goto do_back; | |
1922 | goto do_double; | |
1923 | } | |
378cc40b | 1924 | d = tokenbuf; |
a687059c LW |
1925 | s = cpytill(d,s,bufend,'>',&len); |
1926 | if (s < bufend) | |
378cc40b LW |
1927 | s++; |
1928 | if (*d == '$') d++; | |
a687059c LW |
1929 | while (*d && |
1930 | (isalpha(*d) || isdigit(*d) || *d == '_' || *d == '\'')) | |
1931 | d++; | |
1932 | if (d - tokenbuf != len) { | |
378cc40b LW |
1933 | d = tokenbuf; |
1934 | arg[1].arg_type = A_GLOB; | |
a687059c | 1935 | d = nsavestr(d,len); |
378cc40b | 1936 | arg[1].arg_ptr.arg_stab = stab = genstab(); |
a687059c LW |
1937 | stab_io(stab) = stio_new(); |
1938 | stab_val(stab) = str_make(d,len); | |
1939 | stab_val(stab)->str_u.str_hash = curstash; | |
1940 | Safefree(d); | |
1941 | set_csh(); | |
378cc40b LW |
1942 | } |
1943 | else { | |
1944 | d = tokenbuf; | |
a687059c LW |
1945 | if (!len) |
1946 | (void)strcpy(d,"ARGV"); | |
378cc40b LW |
1947 | if (*d == '$') { |
1948 | arg[1].arg_type = A_INDREAD; | |
1949 | arg[1].arg_ptr.arg_stab = stabent(d+1,TRUE); | |
1950 | } | |
1951 | else { | |
1952 | arg[1].arg_type = A_READ; | |
e929a76b | 1953 | #ifdef NOTDEF |
a687059c LW |
1954 | if (rsfp == stdin && (strEQ(d,"stdin") || strEQ(d,"STDIN"))) |
1955 | yyerror("Can't get both program and data from <STDIN>"); | |
e929a76b | 1956 | #endif |
378cc40b | 1957 | arg[1].arg_ptr.arg_stab = stabent(d,TRUE); |
a687059c LW |
1958 | if (!stab_io(arg[1].arg_ptr.arg_stab)) |
1959 | stab_io(arg[1].arg_ptr.arg_stab) = stio_new(); | |
378cc40b | 1960 | if (strEQ(d,"ARGV")) { |
a687059c LW |
1961 | (void)aadd(arg[1].arg_ptr.arg_stab); |
1962 | stab_io(arg[1].arg_ptr.arg_stab)->flags |= | |
378cc40b LW |
1963 | IOF_ARGV|IOF_START; |
1964 | } | |
1965 | } | |
1966 | } | |
1967 | break; | |
a687059c LW |
1968 | |
1969 | case 'q': | |
1970 | s++; | |
1971 | if (*s == 'q') { | |
1972 | s++; | |
1973 | goto do_double; | |
1974 | } | |
1975 | /* FALL THROUGH */ | |
1976 | case '\'': | |
1977 | do_single: | |
1978 | term = *s; | |
1979 | arg[1].arg_type = A_SINGLE; | |
1980 | leave = Nullch; | |
1981 | goto snarf_it; | |
1982 | ||
378cc40b | 1983 | case '"': |
a687059c LW |
1984 | do_double: |
1985 | term = *s; | |
378cc40b LW |
1986 | arg[1].arg_type = A_DOUBLE; |
1987 | makesingle = TRUE; /* maybe disable runtime scanning */ | |
a687059c | 1988 | alwaysdollar = TRUE; /* treat $) and $| as variables */ |
378cc40b LW |
1989 | goto snarf_it; |
1990 | case '`': | |
a687059c | 1991 | do_back: |
378cc40b | 1992 | term = *s; |
a687059c LW |
1993 | arg[1].arg_type = A_BACKTICK; |
1994 | set_csh(); | |
1995 | alwaysdollar = TRUE; /* treat $) and $| as variables */ | |
378cc40b LW |
1996 | snarf_it: |
1997 | { | |
1998 | STR *tmpstr; | |
378cc40b LW |
1999 | char *tmps; |
2000 | ||
e929a76b | 2001 | multi_start = curcmd->c_line; |
a687059c LW |
2002 | if (hereis) |
2003 | multi_open = multi_close = '<'; | |
2004 | else { | |
2005 | multi_open = term; | |
2006 | if (tmps = index("([{< )]}> )]}>",term)) | |
2007 | term = tmps[5]; | |
2008 | multi_close = term; | |
2009 | } | |
9f68db38 | 2010 | tmpstr = Str_new(87,80); |
a687059c LW |
2011 | if (hereis) { |
2012 | term = *tokenbuf; | |
2013 | if (!rsfp) { | |
2014 | d = s; | |
2015 | while (s < bufend && | |
2016 | (*s != term || bcmp(s,tokenbuf,len) != 0) ) { | |
2017 | if (*s++ == '\n') | |
e929a76b | 2018 | curcmd->c_line++; |
a687059c LW |
2019 | } |
2020 | if (s >= bufend) { | |
e929a76b | 2021 | curcmd->c_line = multi_start; |
a687059c LW |
2022 | fatal("EOF in string"); |
2023 | } | |
2024 | str_nset(tmpstr,d+1,s-d); | |
2025 | s += len - 1; | |
2026 | str_ncat(herewas,s,bufend-s); | |
2027 | str_replace(linestr,herewas); | |
2028 | oldoldbufptr = oldbufptr = bufptr = s = str_get(linestr); | |
2029 | bufend = linestr->str_ptr + linestr->str_cur; | |
2030 | hereis = FALSE; | |
2031 | } | |
e929a76b LW |
2032 | else |
2033 | str_nset(tmpstr,"",0); /* avoid "uninitialized" warning */ | |
a687059c LW |
2034 | } |
2035 | else | |
2036 | s = str_append_till(tmpstr,s+1,bufend,term,leave); | |
2037 | while (s >= bufend) { /* multiple line string? */ | |
2038 | if (!rsfp || | |
2039 | !(oldoldbufptr = oldbufptr = s = str_gets(linestr, rsfp, 0))) { | |
e929a76b | 2040 | curcmd->c_line = multi_start; |
378cc40b LW |
2041 | fatal("EOF in string"); |
2042 | } | |
e929a76b | 2043 | curcmd->c_line++; |
a687059c LW |
2044 | if (perldb) { |
2045 | STR *str = Str_new(88,0); | |
2046 | ||
2047 | str_sset(str,linestr); | |
e929a76b | 2048 | astore(lineary,(int)curcmd->c_line,str); |
a687059c LW |
2049 | } |
2050 | bufend = linestr->str_ptr + linestr->str_cur; | |
2051 | if (hereis) { | |
2052 | if (*s == term && bcmp(s,tokenbuf,len) == 0) { | |
2053 | s = bufend - 1; | |
2054 | *s = ' '; | |
2055 | str_scat(linestr,herewas); | |
2056 | bufend = linestr->str_ptr + linestr->str_cur; | |
2057 | } | |
2058 | else { | |
2059 | s = bufend; | |
2060 | str_scat(tmpstr,linestr); | |
2061 | } | |
2062 | } | |
2063 | else | |
2064 | s = str_append_till(tmpstr,s,bufend,term,leave); | |
378cc40b | 2065 | } |
e929a76b | 2066 | multi_end = curcmd->c_line; |
378cc40b | 2067 | s++; |
a687059c LW |
2068 | if (tmpstr->str_cur + 5 < tmpstr->str_len) { |
2069 | tmpstr->str_len = tmpstr->str_cur + 1; | |
2070 | Renew(tmpstr->str_ptr, tmpstr->str_len, char); | |
2071 | } | |
2072 | if ((arg[1].arg_type & A_MASK) == A_SINGLE) { | |
378cc40b LW |
2073 | arg[1].arg_ptr.arg_str = tmpstr; |
2074 | break; | |
2075 | } | |
2076 | tmps = s; | |
2077 | s = tmpstr->str_ptr; | |
a687059c LW |
2078 | send = s + tmpstr->str_cur; |
2079 | while (s < send) { /* see if we can make SINGLE */ | |
378cc40b | 2080 | if (*s == '\\' && s[1] && isdigit(s[1]) && !isdigit(s[2]) && |
e929a76b | 2081 | !alwaysdollar && s[1] != '0') |
378cc40b | 2082 | *s = '$'; /* grandfather \digit in subst */ |
a687059c LW |
2083 | if ((*s == '$' || *s == '@') && s+1 < send && |
2084 | (alwaysdollar || (s[1] != ')' && s[1] != '|'))) { | |
378cc40b LW |
2085 | makesingle = FALSE; /* force interpretation */ |
2086 | } | |
a687059c | 2087 | else if (*s == '\\' && s+1 < send) { |
378cc40b LW |
2088 | s++; |
2089 | } | |
2090 | s++; | |
2091 | } | |
2092 | s = d = tmpstr->str_ptr; /* assuming shrinkage only */ | |
a687059c LW |
2093 | while (s < send) { |
2094 | if ((*s == '$' && s+1 < send && | |
2095 | (alwaysdollar || /*(*/ (s[1] != ')' && s[1] != '|')) ) || | |
2096 | (*s == '@' && s+1 < send) ) { | |
9f68db38 | 2097 | len = scanreg(s,send,tokenbuf) - s; |
a687059c LW |
2098 | if (*s == '$' || strEQ(tokenbuf,"ARGV") |
2099 | || strEQ(tokenbuf,"ENV") | |
2100 | || strEQ(tokenbuf,"SIG") | |
2101 | || strEQ(tokenbuf,"INC") ) | |
2102 | (void)stabent(tokenbuf,TRUE); /* make sure it exists */ | |
378cc40b LW |
2103 | while (len--) |
2104 | *d++ = *s++; | |
2105 | continue; | |
2106 | } | |
a687059c | 2107 | else if (*s == '\\' && s+1 < send) { |
378cc40b LW |
2108 | s++; |
2109 | switch (*s) { | |
2110 | default: | |
a687059c | 2111 | if (!makesingle && (!leave || (*s && index(leave,*s)))) |
378cc40b LW |
2112 | *d++ = '\\'; |
2113 | *d++ = *s++; | |
2114 | continue; | |
2115 | case '0': case '1': case '2': case '3': | |
2116 | case '4': case '5': case '6': case '7': | |
2117 | *d = *s++ - '0'; | |
a687059c | 2118 | if (s < send && *s && index("01234567",*s)) { |
378cc40b LW |
2119 | *d <<= 3; |
2120 | *d += *s++ - '0'; | |
2121 | } | |
a687059c | 2122 | if (s < send && *s && index("01234567",*s)) { |
378cc40b LW |
2123 | *d <<= 3; |
2124 | *d += *s++ - '0'; | |
2125 | } | |
2126 | d++; | |
2127 | continue; | |
2128 | case 'b': | |
2129 | *d++ = '\b'; | |
2130 | break; | |
2131 | case 'n': | |
2132 | *d++ = '\n'; | |
2133 | break; | |
2134 | case 'r': | |
2135 | *d++ = '\r'; | |
2136 | break; | |
2137 | case 'f': | |
2138 | *d++ = '\f'; | |
2139 | break; | |
2140 | case 't': | |
2141 | *d++ = '\t'; | |
2142 | break; | |
2143 | } | |
2144 | s++; | |
2145 | continue; | |
2146 | } | |
2147 | *d++ = *s++; | |
2148 | } | |
2149 | *d = '\0'; | |
2150 | ||
a687059c LW |
2151 | if ((arg[1].arg_type & A_MASK) == A_DOUBLE && makesingle) |
2152 | arg[1].arg_type = A_SINGLE; /* now we can optimize on it */ | |
2153 | ||
2154 | tmpstr->str_u.str_hash = curstash; /* so interp knows package */ | |
378cc40b | 2155 | |
a687059c | 2156 | tmpstr->str_cur = d - tmpstr->str_ptr; |
378cc40b LW |
2157 | arg[1].arg_ptr.arg_str = tmpstr; |
2158 | s = tmps; | |
2159 | break; | |
2160 | } | |
2161 | } | |
a687059c LW |
2162 | if (hereis) |
2163 | str_free(herewas); | |
378cc40b LW |
2164 | return s; |
2165 | } | |
2166 | ||
2167 | FCMD * | |
2168 | load_format() | |
2169 | { | |
2170 | FCMD froot; | |
2171 | FCMD *flinebeg; | |
0f85fab0 | 2172 | char *eol; |
378cc40b LW |
2173 | register FCMD *fprev = &froot; |
2174 | register FCMD *fcmd; | |
2175 | register char *s; | |
2176 | register char *t; | |
a687059c | 2177 | register STR *str; |
378cc40b | 2178 | bool noblank; |
a687059c | 2179 | bool repeater; |
378cc40b | 2180 | |
a687059c | 2181 | Zero(&froot, 1, FCMD); |
0f85fab0 LW |
2182 | s = bufptr; |
2183 | while (s < bufend || (s = str_gets(linestr,rsfp, 0)) != Nullch) { | |
e929a76b | 2184 | curcmd->c_line++; |
a687059c LW |
2185 | if (perldb) { |
2186 | STR *tmpstr = Str_new(89,0); | |
2187 | ||
2188 | str_sset(tmpstr,linestr); | |
e929a76b | 2189 | astore(lineary,(int)curcmd->c_line,tmpstr); |
a687059c | 2190 | } |
0f85fab0 LW |
2191 | if (in_eval && !rsfp) { |
2192 | eol = index(s,'\n'); | |
2193 | if (!eol++) | |
2194 | eol = bufend; | |
2195 | } | |
2196 | else | |
2197 | eol = bufend = linestr->str_ptr + linestr->str_cur; | |
2198 | if (strnEQ(s,".\n",2)) { | |
378cc40b LW |
2199 | bufptr = s; |
2200 | return froot.f_next; | |
2201 | } | |
0f85fab0 LW |
2202 | if (*s == '#') { |
2203 | s = eol; | |
378cc40b | 2204 | continue; |
0f85fab0 | 2205 | } |
378cc40b LW |
2206 | flinebeg = Nullfcmd; |
2207 | noblank = FALSE; | |
a687059c | 2208 | repeater = FALSE; |
0f85fab0 | 2209 | while (s < eol) { |
a687059c | 2210 | Newz(804,fcmd,1,FCMD); |
378cc40b LW |
2211 | fprev->f_next = fcmd; |
2212 | fprev = fcmd; | |
0f85fab0 | 2213 | for (t=s; t < eol && *t != '@' && *t != '^'; t++) { |
378cc40b LW |
2214 | if (*t == '~') { |
2215 | noblank = TRUE; | |
2216 | *t = ' '; | |
a687059c LW |
2217 | if (t[1] == '~') { |
2218 | repeater = TRUE; | |
2219 | t[1] = ' '; | |
2220 | } | |
378cc40b LW |
2221 | } |
2222 | } | |
a687059c LW |
2223 | fcmd->f_pre = nsavestr(s, t-s); |
2224 | fcmd->f_presize = t-s; | |
378cc40b | 2225 | s = t; |
0f85fab0 | 2226 | if (s >= eol) { |
378cc40b LW |
2227 | if (noblank) |
2228 | fcmd->f_flags |= FC_NOBLANK; | |
a687059c LW |
2229 | if (repeater) |
2230 | fcmd->f_flags |= FC_REPEAT; | |
378cc40b LW |
2231 | break; |
2232 | } | |
2233 | if (!flinebeg) | |
2234 | flinebeg = fcmd; /* start values here */ | |
2235 | if (*s++ == '^') | |
2236 | fcmd->f_flags |= FC_CHOP; /* for doing text filling */ | |
2237 | switch (*s) { | |
2238 | case '*': | |
2239 | fcmd->f_type = F_LINES; | |
2240 | *s = '\0'; | |
2241 | break; | |
2242 | case '<': | |
2243 | fcmd->f_type = F_LEFT; | |
2244 | while (*s == '<') | |
2245 | s++; | |
2246 | break; | |
2247 | case '>': | |
2248 | fcmd->f_type = F_RIGHT; | |
2249 | while (*s == '>') | |
2250 | s++; | |
2251 | break; | |
2252 | case '|': | |
2253 | fcmd->f_type = F_CENTER; | |
2254 | while (*s == '|') | |
2255 | s++; | |
2256 | break; | |
2257 | default: | |
2258 | fcmd->f_type = F_LEFT; | |
2259 | break; | |
2260 | } | |
2261 | if (fcmd->f_flags & FC_CHOP && *s == '.') { | |
2262 | fcmd->f_flags |= FC_MORE; | |
2263 | while (*s == '.') | |
2264 | s++; | |
2265 | } | |
2266 | fcmd->f_size = s-t; | |
2267 | } | |
2268 | if (flinebeg) { | |
2269 | again: | |
0f85fab0 | 2270 | if (s >= bufend && (s = str_gets(linestr, rsfp, 0)) == Nullch) |
378cc40b | 2271 | goto badform; |
e929a76b | 2272 | curcmd->c_line++; |
a687059c LW |
2273 | if (perldb) { |
2274 | STR *tmpstr = Str_new(90,0); | |
2275 | ||
2276 | str_sset(tmpstr,linestr); | |
e929a76b | 2277 | astore(lineary,(int)curcmd->c_line,tmpstr); |
a687059c | 2278 | } |
0f85fab0 LW |
2279 | if (in_eval && !rsfp) { |
2280 | eol = index(s,'\n'); | |
2281 | if (!eol++) | |
2282 | eol = bufend; | |
2283 | } | |
2284 | else | |
2285 | eol = bufend = linestr->str_ptr + linestr->str_cur; | |
2286 | if (strnEQ(s,".\n",2)) { | |
a687059c | 2287 | bufptr = s; |
378cc40b LW |
2288 | yyerror("Missing values line"); |
2289 | return froot.f_next; | |
2290 | } | |
0f85fab0 LW |
2291 | if (*s == '#') { |
2292 | s = eol; | |
378cc40b | 2293 | goto again; |
0f85fab0 LW |
2294 | } |
2295 | str = flinebeg->f_unparsed = Str_new(91,eol - s); | |
a687059c LW |
2296 | str->str_u.str_hash = curstash; |
2297 | str_nset(str,"(",1); | |
e929a76b | 2298 | flinebeg->f_line = curcmd->c_line; |
0f85fab0 LW |
2299 | eol[-1] = '\0'; |
2300 | if (!flinebeg->f_next->f_type || index(s, ',')) { | |
2301 | eol[-1] = '\n'; | |
2302 | str_ncat(str, s, eol - s - 1); | |
a687059c | 2303 | str_ncat(str,",$$);",5); |
0f85fab0 | 2304 | s = eol; |
a687059c LW |
2305 | } |
2306 | else { | |
0f85fab0 LW |
2307 | eol[-1] = '\n'; |
2308 | while (s < eol && isspace(*s)) | |
a687059c LW |
2309 | s++; |
2310 | t = s; | |
0f85fab0 | 2311 | while (s < eol) { |
a687059c LW |
2312 | switch (*s) { |
2313 | case ' ': case '\t': case '\n': case ';': | |
2314 | str_ncat(str, t, s - t); | |
2315 | str_ncat(str, "," ,1); | |
0f85fab0 | 2316 | while (s < eol && (isspace(*s) || *s == ';')) |
a687059c LW |
2317 | s++; |
2318 | t = s; | |
2319 | break; | |
2320 | case '$': | |
2321 | str_ncat(str, t, s - t); | |
2322 | t = s; | |
0f85fab0 | 2323 | s = scanreg(s,eol,tokenbuf); |
a687059c LW |
2324 | str_ncat(str, t, s - t); |
2325 | t = s; | |
0f85fab0 | 2326 | if (s < eol && *s && index("$'\"",*s)) |
a687059c LW |
2327 | str_ncat(str, ",", 1); |
2328 | break; | |
2329 | case '"': case '\'': | |
2330 | str_ncat(str, t, s - t); | |
2331 | t = s; | |
2332 | s++; | |
0f85fab0 | 2333 | while (s < eol && (*s != *t || s[-1] == '\\')) |
a687059c | 2334 | s++; |
0f85fab0 | 2335 | if (s < eol) |
a687059c LW |
2336 | s++; |
2337 | str_ncat(str, t, s - t); | |
2338 | t = s; | |
0f85fab0 | 2339 | if (s < eol && *s && index("$'\"",*s)) |
a687059c LW |
2340 | str_ncat(str, ",", 1); |
2341 | break; | |
2342 | default: | |
2343 | yyerror("Please use commas to separate fields"); | |
378cc40b | 2344 | } |
378cc40b | 2345 | } |
a687059c | 2346 | str_ncat(str,"$$);",4); |
378cc40b | 2347 | } |
378cc40b LW |
2348 | } |
2349 | } | |
2350 | badform: | |
2351 | bufptr = str_get(linestr); | |
2352 | yyerror("Format not terminated"); | |
2353 | return froot.f_next; | |
2354 | } | |
a687059c LW |
2355 | |
2356 | set_csh() | |
2357 | { | |
ae986130 LW |
2358 | #ifdef CSH |
2359 | if (!cshlen) | |
2360 | cshlen = strlen(cshname); | |
2361 | #endif | |
a687059c | 2362 | } |