| Commit | Line | Data |
|---|
| ae986130 |
1 | /* $Header: toke.c,v 3.0.1.2 89/11/11 05:04:42 lwall Locked $ |
| a687059c |
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 |
7 | * |
| 8 | * $Log: toke.c,v $ |
| ae986130 |
9 | * Revision 3.0.1.2 89/11/11 05:04:42 lwall |
| 10 | * patch2: fixed a CLINE macro conflict |
| 11 | * |
| 03a14243 |
12 | * Revision 3.0.1.1 89/10/26 23:26:21 lwall |
| 13 | * patch1: disambiguated word after "sort" better |
| 14 | * |
| a687059c |
15 | * Revision 3.0 89/10/18 15:32:33 lwall |
| 16 | * 3.0 baseline |
| 378cc40b |
17 | * |
| 18 | */ |
| 19 | |
| 20 | #include "EXTERN.h" |
| 21 | #include "perl.h" |
| 22 | #include "perly.h" |
| 23 | |
| a687059c |
24 | char *reparse; /* if non-null, scanreg found ${foo[$bar]} */ |
| 25 | |
| ae986130 |
26 | #ifdef CLINE |
| 27 | #undef CLINE |
| 28 | #endif |
| 378cc40b |
29 | #define CLINE (cmdline = (line < cmdline ? line : cmdline)) |
| 30 | |
| a687059c |
31 | #define META(c) ((c) | 128) |
| 32 | |
| 378cc40b |
33 | #define RETURN(retval) return (bufptr = s,(int)retval) |
| 34 | #define OPERATOR(retval) return (expectterm = TRUE,bufptr = s,(int)retval) |
| 35 | #define TERM(retval) return (CLINE, expectterm = FALSE,bufptr = s,(int)retval) |
| 36 | #define LOOPX(f) return(yylval.ival=f,expectterm = FALSE,bufptr = s,(int)LOOPEX) |
| 378cc40b |
37 | #define FTST(f) return(yylval.ival=f,expectterm = TRUE,bufptr = s,(int)FILETEST) |
| 38 | #define FUN0(f) return(yylval.ival = f,expectterm = FALSE,bufptr = s,(int)FUNC0) |
| 39 | #define FUN1(f) return(yylval.ival = f,expectterm = FALSE,bufptr = s,(int)FUNC1) |
| 40 | #define FUN2(f) return(yylval.ival = f,expectterm = FALSE,bufptr = s,(int)FUNC2) |
| 41 | #define FUN3(f) return(yylval.ival = f,expectterm = FALSE,bufptr = s,(int)FUNC3) |
| a687059c |
42 | #define FL(f) return(yylval.ival=f,expectterm = FALSE,bufptr = s,(int)FLIST) |
| 43 | #define FL2(f) return(yylval.ival=f,expectterm = FALSE,bufptr = s,(int)FLIST2) |
| 44 | #define HFUN(f) return(yylval.ival=f,expectterm = TRUE,bufptr = s,(int)HSHFUN) |
| 45 | #define HFUN3(f) return(yylval.ival=f,expectterm = FALSE,bufptr = s,(int)HSHFUN3) |
| 46 | #define LFUN(f) return(yylval.ival=f,expectterm = TRUE,bufptr = s,(int)LVALFUN) |
| 47 | #define LFUN4(f) return(yylval.ival = f,expectterm = FALSE,bufptr = s,(int)LFUNC4) |
| 48 | #define AOP(f) return(yylval.ival=f,expectterm = TRUE,bufptr = s,(int)ADDOP) |
| 49 | #define MOP(f) return(yylval.ival=f,expectterm = TRUE,bufptr = s,(int)MULOP) |
| 50 | #define EOP(f) return(yylval.ival=f,expectterm = TRUE,bufptr = s,(int)EQOP) |
| 51 | #define ROP(f) return(yylval.ival=f,expectterm = TRUE,bufptr = s,(int)RELOP) |
| 52 | #define FOP(f) return(yylval.ival=f,expectterm = FALSE,bufptr = s,(int)FILOP) |
| 53 | #define FOP2(f) return(yylval.ival=f,expectterm = FALSE,bufptr = s,(int)FILOP2) |
| 54 | #define FOP3(f) return(yylval.ival=f,expectterm = FALSE,bufptr = s,(int)FILOP3) |
| 55 | #define FOP4(f) return(yylval.ival=f,expectterm = FALSE,bufptr = s,(int)FILOP4) |
| 56 | #define FOP22(f) return(yylval.ival=f,expectterm = FALSE,bufptr = s,(int)FILOP22) |
| 57 | #define FOP25(f) return(yylval.ival=f,expectterm = FALSE,bufptr = s,(int)FILOP25) |
| 58 | |
| 59 | /* This bit of chicanery makes a unary function followed by |
| 60 | * a parenthesis into a function with one argument, highest precedence. |
| 61 | */ |
| 62 | #define UNI(f) return(yylval.ival = f,expectterm = TRUE,bufptr = s, \ |
| 63 | (*s == '(' || (s = skipspace(s), *s == '(') ? (int)FUNC1 : (int)UNIOP) ) |
| 64 | |
| 65 | /* This does similarly for list operators, merely by pretending that the |
| 66 | * paren came before the listop rather than after. |
| 67 | */ |
| 68 | #define LOP(f) return(*s == '(' || (s = skipspace(s), *s == '(') ? \ |
| 69 | (*s = META('('), bufptr = oldbufptr, '(') : \ |
| 70 | (yylval.ival=f,expectterm = TRUE,bufptr = s,(int)LISTOP)) |
| 71 | |
| 72 | char * |
| 73 | skipspace(s) |
| 74 | register char *s; |
| 75 | { |
| 76 | while (s < bufend && isascii(*s) && isspace(*s)) |
| 77 | s++; |
| 78 | return s; |
| 79 | } |
| 378cc40b |
80 | |
| 81 | yylex() |
| 82 | { |
| 83 | register char *s = bufptr; |
| 84 | register char *d; |
| 85 | register int tmp; |
| 86 | static bool in_format = FALSE; |
| 87 | static bool firstline = TRUE; |
| a687059c |
88 | extern int yychar; /* last token */ |
| 89 | |
| 90 | oldoldbufptr = oldbufptr; |
| 91 | oldbufptr = s; |
| 378cc40b |
92 | |
| 93 | retry: |
| 94 | #ifdef YYDEBUG |
| ae986130 |
95 | if (debug & 1) |
| 378cc40b |
96 | if (index(s,'\n')) |
| 97 | fprintf(stderr,"Tokener at %s",s); |
| 98 | else |
| 99 | fprintf(stderr,"Tokener at %s\n",s); |
| 100 | #endif |
| 101 | switch (*s) { |
| 102 | default: |
| a687059c |
103 | if ((*s & 127) == '(') |
| 104 | *s++ = '('; |
| 105 | else |
| 106 | warn("Unrecognized character \\%03o ignored", *s++); |
| 378cc40b |
107 | goto retry; |
| 108 | case 0: |
| 378cc40b |
109 | if (!rsfp) |
| 110 | RETURN(0); |
| a687059c |
111 | if (s++ < bufend) |
| 112 | goto retry; /* ignore stray nulls */ |
| 113 | if (firstline) { |
| 114 | firstline = FALSE; |
| 115 | if (minus_n || minus_p || perldb) { |
| 116 | str_set(linestr,""); |
| 117 | if (perldb) |
| 118 | str_cat(linestr,"do 'perldb.pl'; print $@;"); |
| 119 | if (minus_n || minus_p) { |
| 120 | str_cat(linestr,"line: while (<>) {"); |
| 121 | if (minus_a) |
| 122 | str_cat(linestr,"@F=split(' ');"); |
| 123 | } |
| 124 | oldoldbufptr = oldbufptr = s = str_get(linestr); |
| 125 | bufend = linestr->str_ptr + linestr->str_cur; |
| 126 | goto retry; |
| 127 | } |
| 128 | } |
| 378cc40b |
129 | if (in_format) { |
| a687059c |
130 | yylval.formval = load_format(); |
| 378cc40b |
131 | in_format = FALSE; |
| a687059c |
132 | oldoldbufptr = oldbufptr = s = str_get(linestr) + 1; |
| 133 | bufend = linestr->str_ptr + linestr->str_cur; |
| 378cc40b |
134 | TERM(FORMLIST); |
| 135 | } |
| 136 | line++; |
| a687059c |
137 | if ((s = str_gets(linestr, rsfp, 0)) == Nullch) { |
| 378cc40b |
138 | if (preprocess) |
| a687059c |
139 | (void)mypclose(rsfp); |
| 378cc40b |
140 | else if (rsfp != stdin) |
| a687059c |
141 | (void)fclose(rsfp); |
| 378cc40b |
142 | rsfp = Nullfp; |
| 143 | if (minus_n || minus_p) { |
| 144 | str_set(linestr,minus_p ? "}continue{print;" : ""); |
| 145 | str_cat(linestr,"}"); |
| a687059c |
146 | oldoldbufptr = oldbufptr = s = str_get(linestr); |
| 147 | bufend = linestr->str_ptr + linestr->str_cur; |
| 378cc40b |
148 | goto retry; |
| 149 | } |
| a687059c |
150 | oldoldbufptr = oldbufptr = s = str_get(linestr); |
| 151 | str_set(linestr,""); |
| 378cc40b |
152 | RETURN(0); |
| 153 | } |
| a687059c |
154 | oldoldbufptr = oldbufptr = bufptr = s; |
| 155 | if (perldb) { |
| 156 | STR *str = Str_new(85,0); |
| 157 | |
| 158 | str_sset(str,linestr); |
| 159 | astore(lineary,(int)line,str); |
| 160 | } |
| 378cc40b |
161 | #ifdef DEBUG |
| a687059c |
162 | if (firstline) { |
| 378cc40b |
163 | char *showinput(); |
| 164 | s = showinput(); |
| 165 | } |
| 166 | #endif |
| a687059c |
167 | bufend = linestr->str_ptr + linestr->str_cur; |
| ae986130 |
168 | if (firstline) { |
| 169 | while (s < bufend && isspace(*s)) |
| 170 | s++; |
| 171 | if (*s == ':') /* for csh's that have to exec sh scripts */ |
| 172 | s++; |
| 173 | firstline = FALSE; |
| 174 | } |
| 378cc40b |
175 | goto retry; |
| 176 | case ' ': case '\t': case '\f': |
| 177 | s++; |
| 178 | goto retry; |
| 179 | case '\n': |
| 180 | case '#': |
| 181 | if (preprocess && s == str_get(linestr) && |
| 182 | s[1] == ' ' && isdigit(s[2])) { |
| 183 | line = atoi(s+2)-1; |
| 184 | for (s += 2; isdigit(*s); s++) ; |
| a687059c |
185 | d = bufend; |
| 186 | while (s < d && isspace(*s)) s++; |
| 378cc40b |
187 | if (filename) |
| a687059c |
188 | Safefree(filename); |
| 378cc40b |
189 | s[strlen(s)-1] = '\0'; /* wipe out newline */ |
| 190 | if (*s == '"') { |
| 191 | s++; |
| 192 | s[strlen(s)-1] = '\0'; /* wipe out trailing quote */ |
| 193 | } |
| 194 | if (*s) |
| 195 | filename = savestr(s); |
| 196 | else |
| 197 | filename = savestr(origfilename); |
| a687059c |
198 | oldoldbufptr = oldbufptr = s = str_get(linestr); |
| 378cc40b |
199 | } |
| a687059c |
200 | if (in_eval && !rsfp) { |
| 201 | d = bufend; |
| 202 | while (s < d && *s != '\n') |
| 378cc40b |
203 | s++; |
| a687059c |
204 | if (s < d) { |
| 378cc40b |
205 | s++; |
| a687059c |
206 | line++; |
| 207 | } |
| 378cc40b |
208 | } |
| a687059c |
209 | else { |
| 378cc40b |
210 | *s = '\0'; |
| a687059c |
211 | bufend = s; |
| 212 | } |
| 378cc40b |
213 | goto retry; |
| 214 | case '-': |
| 215 | if (s[1] && isalpha(s[1]) && !isalpha(s[2])) { |
| 216 | s++; |
| 217 | switch (*s++) { |
| 218 | case 'r': FTST(O_FTEREAD); |
| 219 | case 'w': FTST(O_FTEWRITE); |
| 220 | case 'x': FTST(O_FTEEXEC); |
| 221 | case 'o': FTST(O_FTEOWNED); |
| 222 | case 'R': FTST(O_FTRREAD); |
| 223 | case 'W': FTST(O_FTRWRITE); |
| 224 | case 'X': FTST(O_FTREXEC); |
| 225 | case 'O': FTST(O_FTROWNED); |
| 226 | case 'e': FTST(O_FTIS); |
| 227 | case 'z': FTST(O_FTZERO); |
| 228 | case 's': FTST(O_FTSIZE); |
| 229 | case 'f': FTST(O_FTFILE); |
| 230 | case 'd': FTST(O_FTDIR); |
| 231 | case 'l': FTST(O_FTLINK); |
| 232 | case 'p': FTST(O_FTPIPE); |
| 233 | case 'S': FTST(O_FTSOCK); |
| 234 | case 'u': FTST(O_FTSUID); |
| 235 | case 'g': FTST(O_FTSGID); |
| 236 | case 'k': FTST(O_FTSVTX); |
| 237 | case 'b': FTST(O_FTBLK); |
| 238 | case 'c': FTST(O_FTCHR); |
| 239 | case 't': FTST(O_FTTTY); |
| 240 | case 'T': FTST(O_FTTEXT); |
| 241 | case 'B': FTST(O_FTBINARY); |
| 242 | default: |
| 243 | s -= 2; |
| 244 | break; |
| 245 | } |
| 246 | } |
| a687059c |
247 | tmp = *s++; |
| 248 | if (*s == tmp) { |
| 249 | s++; |
| 250 | RETURN(DEC); |
| 251 | } |
| 252 | if (expectterm) |
| 253 | OPERATOR('-'); |
| 254 | else |
| 255 | AOP(O_SUBTRACT); |
| 378cc40b |
256 | case '+': |
| a687059c |
257 | tmp = *s++; |
| 258 | if (*s == tmp) { |
| 378cc40b |
259 | s++; |
| a687059c |
260 | RETURN(INC); |
| 378cc40b |
261 | } |
| a687059c |
262 | if (expectterm) |
| 263 | OPERATOR('+'); |
| 264 | else |
| 265 | AOP(O_ADD); |
| 266 | |
| 378cc40b |
267 | case '*': |
| a687059c |
268 | if (expectterm) { |
| 269 | s = scanreg(s,bufend,tokenbuf); |
| 270 | yylval.stabval = stabent(tokenbuf,TRUE); |
| 271 | TERM(STAR); |
| 272 | } |
| 273 | tmp = *s++; |
| 274 | if (*s == tmp) { |
| 275 | s++; |
| 276 | OPERATOR(POW); |
| 277 | } |
| 278 | MOP(O_MULTIPLY); |
| 378cc40b |
279 | case '%': |
| a687059c |
280 | if (expectterm) { |
| 281 | s = scanreg(s,bufend,tokenbuf); |
| 282 | yylval.stabval = stabent(tokenbuf,TRUE); |
| 283 | TERM(HSH); |
| 284 | } |
| 285 | s++; |
| 286 | MOP(O_MODULO); |
| 287 | |
| 378cc40b |
288 | case '^': |
| 289 | case '~': |
| 290 | case '(': |
| 291 | case ',': |
| 292 | case ':': |
| 293 | case '[': |
| 294 | tmp = *s++; |
| 295 | OPERATOR(tmp); |
| 296 | case '{': |
| 297 | tmp = *s++; |
| 298 | if (isspace(*s) || *s == '#') |
| 299 | cmdline = NOLINE; /* invalidate current command line number */ |
| 300 | OPERATOR(tmp); |
| 301 | case ';': |
| 302 | if (line < cmdline) |
| 303 | cmdline = line; |
| 304 | tmp = *s++; |
| 305 | OPERATOR(tmp); |
| 306 | case ')': |
| 307 | case ']': |
| 308 | tmp = *s++; |
| 309 | TERM(tmp); |
| 310 | case '}': |
| 311 | tmp = *s++; |
| 312 | for (d = s; *d == ' ' || *d == '\t'; d++) ; |
| 313 | if (*d == '\n' || *d == '#') |
| 314 | OPERATOR(tmp); /* block end */ |
| 315 | else |
| 316 | TERM(tmp); /* associative array end */ |
| 317 | case '&': |
| 318 | s++; |
| 319 | tmp = *s++; |
| 320 | if (tmp == '&') |
| 321 | OPERATOR(ANDAND); |
| 322 | s--; |
| a687059c |
323 | if (expectterm) { |
| 324 | d = bufend; |
| 325 | while (s < d && isspace(*s)) |
| 326 | s++; |
| 327 | if (isalpha(*s) || *s == '_' || *s == '\'') |
| 328 | *(--s) = '\\'; /* force next ident to WORD */ |
| 329 | OPERATOR(AMPER); |
| 330 | } |
| 378cc40b |
331 | OPERATOR('&'); |
| 332 | case '|': |
| 333 | s++; |
| 334 | tmp = *s++; |
| 335 | if (tmp == '|') |
| 336 | OPERATOR(OROR); |
| 337 | s--; |
| 338 | OPERATOR('|'); |
| 339 | case '=': |
| 340 | s++; |
| 341 | tmp = *s++; |
| 342 | if (tmp == '=') |
| a687059c |
343 | EOP(O_EQ); |
| 378cc40b |
344 | if (tmp == '~') |
| 345 | OPERATOR(MATCH); |
| 346 | s--; |
| 347 | OPERATOR('='); |
| 348 | case '!': |
| 349 | s++; |
| 350 | tmp = *s++; |
| 351 | if (tmp == '=') |
| a687059c |
352 | EOP(O_NE); |
| 378cc40b |
353 | if (tmp == '~') |
| 354 | OPERATOR(NMATCH); |
| 355 | s--; |
| 356 | OPERATOR('!'); |
| 357 | case '<': |
| 358 | if (expectterm) { |
| 359 | s = scanstr(s); |
| 360 | TERM(RSTRING); |
| 361 | } |
| 362 | s++; |
| 363 | tmp = *s++; |
| 364 | if (tmp == '<') |
| 365 | OPERATOR(LS); |
| 366 | if (tmp == '=') |
| a687059c |
367 | ROP(O_LE); |
| 378cc40b |
368 | s--; |
| a687059c |
369 | ROP(O_LT); |
| 378cc40b |
370 | case '>': |
| 371 | s++; |
| 372 | tmp = *s++; |
| 373 | if (tmp == '>') |
| 374 | OPERATOR(RS); |
| 375 | if (tmp == '=') |
| a687059c |
376 | ROP(O_GE); |
| 378cc40b |
377 | s--; |
| a687059c |
378 | ROP(O_GT); |
| 378cc40b |
379 | |
| 380 | #define SNARFWORD \ |
| 381 | d = tokenbuf; \ |
| a687059c |
382 | while (isascii(*s) && \ |
| 383 | (isalpha(*s) || isdigit(*s) || *s == '_' || *s == '\'')) \ |
| 378cc40b |
384 | *d++ = *s++; \ |
| a687059c |
385 | if (d[-1] == '\'') \ |
| 386 | d--,s--; \ |
| 378cc40b |
387 | *d = '\0'; \ |
| 388 | d = tokenbuf; |
| 389 | |
| 390 | case '$': |
| 391 | if (s[1] == '#' && (isalpha(s[2]) || s[2] == '_')) { |
| 392 | s++; |
| a687059c |
393 | s = scanreg(s,bufend,tokenbuf); |
| 378cc40b |
394 | yylval.stabval = aadd(stabent(tokenbuf,TRUE)); |
| 395 | TERM(ARYLEN); |
| 396 | } |
| a687059c |
397 | d = s; |
| 398 | s = scanreg(s,bufend,tokenbuf); |
| 399 | if (reparse) { /* turn ${foo[bar]} into ($foo[bar]) */ |
| 400 | do_reparse: |
| 401 | s[-1] = ')'; |
| 402 | s = d; |
| 403 | s[1] = s[0]; |
| 404 | s[0] = '('; |
| 405 | goto retry; |
| 406 | } |
| 378cc40b |
407 | yylval.stabval = stabent(tokenbuf,TRUE); |
| 408 | TERM(REG); |
| 409 | |
| 410 | case '@': |
| a687059c |
411 | d = s; |
| 412 | s = scanreg(s,bufend,tokenbuf); |
| 413 | if (reparse) |
| 414 | goto do_reparse; |
| 415 | yylval.stabval = stabent(tokenbuf,TRUE); |
| 378cc40b |
416 | TERM(ARY); |
| 417 | |
| 418 | case '/': /* may either be division or pattern */ |
| 419 | case '?': /* may either be conditional or pattern */ |
| 420 | if (expectterm) { |
| 421 | s = scanpat(s); |
| 422 | TERM(PATTERN); |
| 423 | } |
| 424 | tmp = *s++; |
| a687059c |
425 | if (tmp == '/') |
| 426 | MOP(O_DIVIDE); |
| 378cc40b |
427 | OPERATOR(tmp); |
| 428 | |
| 429 | case '.': |
| 430 | if (!expectterm || !isdigit(s[1])) { |
| 378cc40b |
431 | tmp = *s++; |
| a687059c |
432 | if (*s == tmp) { |
| 433 | s++; |
| 378cc40b |
434 | OPERATOR(DOTDOT); |
| a687059c |
435 | } |
| 436 | AOP(O_CONCAT); |
| 378cc40b |
437 | } |
| 438 | /* FALL THROUGH */ |
| 439 | case '0': case '1': case '2': case '3': case '4': |
| 440 | case '5': case '6': case '7': case '8': case '9': |
| 441 | case '\'': case '"': case '`': |
| 442 | s = scanstr(s); |
| 443 | TERM(RSTRING); |
| 444 | |
| a687059c |
445 | case '\\': /* some magic to force next word to be a WORD */ |
| 446 | s++; /* used by do and sub to force a separate namespace */ |
| 447 | /* FALL THROUGH */ |
| 378cc40b |
448 | case '_': |
| 449 | SNARFWORD; |
| a687059c |
450 | break; |
| 378cc40b |
451 | case 'a': case 'A': |
| 452 | SNARFWORD; |
| a687059c |
453 | if (strEQ(d,"accept")) |
| 454 | FOP22(O_ACCEPT); |
| 455 | if (strEQ(d,"atan2")) |
| 456 | FUN2(O_ATAN2); |
| 457 | break; |
| 378cc40b |
458 | case 'b': case 'B': |
| 459 | SNARFWORD; |
| a687059c |
460 | if (strEQ(d,"bind")) |
| 461 | FOP2(O_BIND); |
| 462 | break; |
| 378cc40b |
463 | case 'c': case 'C': |
| 464 | SNARFWORD; |
| a687059c |
465 | if (strEQ(d,"chop")) |
| 466 | LFUN(O_CHOP); |
| 378cc40b |
467 | if (strEQ(d,"continue")) |
| 468 | OPERATOR(CONTINUE); |
| 469 | if (strEQ(d,"chdir")) |
| 470 | UNI(O_CHDIR); |
| 471 | if (strEQ(d,"close")) |
| a687059c |
472 | FOP(O_CLOSE); |
| 473 | if (strEQ(d,"closedir")) |
| 474 | FOP(O_CLOSEDIR); |
| 475 | if (strEQ(d,"crypt")) { |
| 476 | #ifdef FCRYPT |
| 477 | init_des(); |
| 478 | #endif |
| 378cc40b |
479 | FUN2(O_CRYPT); |
| 378cc40b |
480 | } |
| a687059c |
481 | if (strEQ(d,"chmod")) |
| 482 | LOP(O_CHMOD); |
| 483 | if (strEQ(d,"chown")) |
| 484 | LOP(O_CHOWN); |
| 485 | if (strEQ(d,"connect")) |
| 486 | FOP2(O_CONNECT); |
| 487 | if (strEQ(d,"cos")) |
| 488 | UNI(O_COS); |
| 489 | if (strEQ(d,"chroot")) |
| 490 | UNI(O_CHROOT); |
| 491 | break; |
| 378cc40b |
492 | case 'd': case 'D': |
| 493 | SNARFWORD; |
| a687059c |
494 | if (strEQ(d,"do")) { |
| 495 | d = bufend; |
| 496 | while (s < d && isspace(*s)) |
| 497 | s++; |
| 498 | if (isalpha(*s) || *s == '_') |
| 499 | *(--s) = '\\'; /* force next ident to WORD */ |
| 378cc40b |
500 | OPERATOR(DO); |
| a687059c |
501 | } |
| 378cc40b |
502 | if (strEQ(d,"die")) |
| a687059c |
503 | LOP(O_DIE); |
| 504 | if (strEQ(d,"defined")) |
| 505 | LFUN(O_DEFINED); |
| 378cc40b |
506 | if (strEQ(d,"delete")) |
| 507 | OPERATOR(DELETE); |
| a687059c |
508 | if (strEQ(d,"dbmopen")) |
| 509 | HFUN3(O_DBMOPEN); |
| 510 | if (strEQ(d,"dbmclose")) |
| 511 | HFUN(O_DBMCLOSE); |
| 512 | if (strEQ(d,"dump")) |
| 513 | LOOPX(O_DUMP); |
| 514 | break; |
| 378cc40b |
515 | case 'e': case 'E': |
| 516 | SNARFWORD; |
| 517 | if (strEQ(d,"else")) |
| 518 | OPERATOR(ELSE); |
| 519 | if (strEQ(d,"elsif")) { |
| 520 | yylval.ival = line; |
| 521 | OPERATOR(ELSIF); |
| 522 | } |
| 523 | if (strEQ(d,"eq") || strEQ(d,"EQ")) |
| a687059c |
524 | EOP(O_SEQ); |
| 378cc40b |
525 | if (strEQ(d,"exit")) |
| 526 | UNI(O_EXIT); |
| 527 | if (strEQ(d,"eval")) { |
| 528 | allstabs = TRUE; /* must initialize everything since */ |
| 529 | UNI(O_EVAL); /* we don't know what will be used */ |
| 530 | } |
| 531 | if (strEQ(d,"eof")) |
| a687059c |
532 | FOP(O_EOF); |
| 378cc40b |
533 | if (strEQ(d,"exp")) |
| a687059c |
534 | UNI(O_EXP); |
| 378cc40b |
535 | if (strEQ(d,"each")) |
| a687059c |
536 | HFUN(O_EACH); |
| 378cc40b |
537 | if (strEQ(d,"exec")) { |
| a687059c |
538 | set_csh(); |
| 539 | LOP(O_EXEC); |
| 378cc40b |
540 | } |
| a687059c |
541 | if (strEQ(d,"endhostent")) |
| 542 | FUN0(O_EHOSTENT); |
| 543 | if (strEQ(d,"endnetent")) |
| 544 | FUN0(O_ENETENT); |
| 545 | if (strEQ(d,"endservent")) |
| 546 | FUN0(O_ESERVENT); |
| 547 | if (strEQ(d,"endprotoent")) |
| 548 | FUN0(O_EPROTOENT); |
| 549 | if (strEQ(d,"endpwent")) |
| 550 | FUN0(O_EPWENT); |
| 551 | if (strEQ(d,"endgrent")) |
| 552 | FUN0(O_EGRENT); |
| 553 | break; |
| 378cc40b |
554 | case 'f': case 'F': |
| 555 | SNARFWORD; |
| 556 | if (strEQ(d,"for")) |
| 557 | OPERATOR(FOR); |
| 558 | if (strEQ(d,"foreach")) |
| 559 | OPERATOR(FOR); |
| 560 | if (strEQ(d,"format")) { |
| a687059c |
561 | d = bufend; |
| 562 | while (s < d && isspace(*s)) |
| 563 | s++; |
| 564 | if (isalpha(*s) || *s == '_') |
| 565 | *(--s) = '\\'; /* force next ident to WORD */ |
| 378cc40b |
566 | in_format = TRUE; |
| a687059c |
567 | allstabs = TRUE; /* must initialize everything since */ |
| 568 | OPERATOR(FORMAT); /* we don't know what will be used */ |
| 378cc40b |
569 | } |
| 570 | if (strEQ(d,"fork")) |
| 571 | FUN0(O_FORK); |
| a687059c |
572 | if (strEQ(d,"fcntl")) |
| 573 | FOP3(O_FCNTL); |
| 574 | if (strEQ(d,"fileno")) |
| 575 | FOP(O_FILENO); |
| 576 | if (strEQ(d,"flock")) |
| 577 | FOP2(O_FLOCK); |
| 578 | break; |
| 378cc40b |
579 | case 'g': case 'G': |
| 580 | SNARFWORD; |
| 581 | if (strEQ(d,"gt") || strEQ(d,"GT")) |
| a687059c |
582 | ROP(O_SGT); |
| 378cc40b |
583 | if (strEQ(d,"ge") || strEQ(d,"GE")) |
| a687059c |
584 | ROP(O_SGE); |
| 585 | if (strEQ(d,"grep")) |
| 586 | FL2(O_GREP); |
| 378cc40b |
587 | if (strEQ(d,"goto")) |
| 588 | LOOPX(O_GOTO); |
| 589 | if (strEQ(d,"gmtime")) |
| a687059c |
590 | UNI(O_GMTIME); |
| 591 | if (strEQ(d,"getc")) |
| 592 | FOP(O_GETC); |
| 593 | if (strnEQ(d,"get",3)) { |
| 594 | d += 3; |
| 595 | if (*d == 'p') { |
| 596 | if (strEQ(d,"ppid")) |
| 597 | FUN0(O_GETPPID); |
| 598 | if (strEQ(d,"pgrp")) |
| 599 | UNI(O_GETPGRP); |
| 600 | if (strEQ(d,"priority")) |
| 601 | FUN2(O_GETPRIORITY); |
| 602 | if (strEQ(d,"protobyname")) |
| 603 | UNI(O_GPBYNAME); |
| 604 | if (strEQ(d,"protobynumber")) |
| 605 | FUN1(O_GPBYNUMBER); |
| 606 | if (strEQ(d,"protoent")) |
| 607 | FUN0(O_GPROTOENT); |
| 608 | if (strEQ(d,"pwent")) |
| 609 | FUN0(O_GPWENT); |
| 610 | if (strEQ(d,"pwnam")) |
| 611 | FUN1(O_GPWNAM); |
| 612 | if (strEQ(d,"pwuid")) |
| 613 | FUN1(O_GPWUID); |
| 614 | if (strEQ(d,"peername")) |
| 615 | FOP(O_GETPEERNAME); |
| 616 | } |
| 617 | else if (*d == 'h') { |
| 618 | if (strEQ(d,"hostbyname")) |
| 619 | UNI(O_GHBYNAME); |
| 620 | if (strEQ(d,"hostbyaddr")) |
| 621 | FUN2(O_GHBYADDR); |
| 622 | if (strEQ(d,"hostent")) |
| 623 | FUN0(O_GHOSTENT); |
| 624 | } |
| 625 | else if (*d == 'n') { |
| 626 | if (strEQ(d,"netbyname")) |
| 627 | UNI(O_GNBYNAME); |
| 628 | if (strEQ(d,"netbyaddr")) |
| 629 | FUN2(O_GNBYADDR); |
| 630 | if (strEQ(d,"netent")) |
| 631 | FUN0(O_GNETENT); |
| 632 | } |
| 633 | else if (*d == 's') { |
| 634 | if (strEQ(d,"servbyname")) |
| 635 | FUN2(O_GSBYNAME); |
| 636 | if (strEQ(d,"servbyport")) |
| 637 | FUN2(O_GSBYPORT); |
| 638 | if (strEQ(d,"servent")) |
| 639 | FUN0(O_GSERVENT); |
| 640 | if (strEQ(d,"sockname")) |
| 641 | FOP(O_GETSOCKNAME); |
| 642 | if (strEQ(d,"sockopt")) |
| 643 | FOP3(O_GSOCKOPT); |
| 644 | } |
| 645 | else if (*d == 'g') { |
| 646 | if (strEQ(d,"grent")) |
| 647 | FUN0(O_GGRENT); |
| 648 | if (strEQ(d,"grnam")) |
| 649 | FUN1(O_GGRNAM); |
| 650 | if (strEQ(d,"grgid")) |
| 651 | FUN1(O_GGRGID); |
| 652 | } |
| 653 | else if (*d == 'l') { |
| 654 | if (strEQ(d,"login")) |
| 655 | FUN0(O_GETLOGIN); |
| 656 | } |
| 657 | d -= 3; |
| 658 | } |
| 659 | break; |
| 378cc40b |
660 | case 'h': case 'H': |
| 661 | SNARFWORD; |
| 662 | if (strEQ(d,"hex")) |
| a687059c |
663 | UNI(O_HEX); |
| 664 | break; |
| 378cc40b |
665 | case 'i': case 'I': |
| 666 | SNARFWORD; |
| 667 | if (strEQ(d,"if")) { |
| 668 | yylval.ival = line; |
| 669 | OPERATOR(IF); |
| 670 | } |
| 671 | if (strEQ(d,"index")) |
| 672 | FUN2(O_INDEX); |
| 673 | if (strEQ(d,"int")) |
| a687059c |
674 | UNI(O_INT); |
| 675 | if (strEQ(d,"ioctl")) |
| 676 | FOP3(O_IOCTL); |
| 677 | break; |
| 378cc40b |
678 | case 'j': case 'J': |
| 679 | SNARFWORD; |
| 680 | if (strEQ(d,"join")) |
| a687059c |
681 | FL2(O_JOIN); |
| 682 | break; |
| 378cc40b |
683 | case 'k': case 'K': |
| 684 | SNARFWORD; |
| 685 | if (strEQ(d,"keys")) |
| a687059c |
686 | HFUN(O_KEYS); |
| 687 | if (strEQ(d,"kill")) |
| 688 | LOP(O_KILL); |
| 689 | break; |
| 378cc40b |
690 | case 'l': case 'L': |
| 691 | SNARFWORD; |
| 692 | if (strEQ(d,"last")) |
| 693 | LOOPX(O_LAST); |
| 694 | if (strEQ(d,"local")) |
| 695 | OPERATOR(LOCAL); |
| 696 | if (strEQ(d,"length")) |
| a687059c |
697 | UNI(O_LENGTH); |
| 378cc40b |
698 | if (strEQ(d,"lt") || strEQ(d,"LT")) |
| a687059c |
699 | ROP(O_SLT); |
| 378cc40b |
700 | if (strEQ(d,"le") || strEQ(d,"LE")) |
| a687059c |
701 | ROP(O_SLE); |
| 378cc40b |
702 | if (strEQ(d,"localtime")) |
| a687059c |
703 | UNI(O_LOCALTIME); |
| 378cc40b |
704 | if (strEQ(d,"log")) |
| a687059c |
705 | UNI(O_LOG); |
| 378cc40b |
706 | if (strEQ(d,"link")) |
| 707 | FUN2(O_LINK); |
| a687059c |
708 | if (strEQ(d,"listen")) |
| 709 | FOP2(O_LISTEN); |
| 710 | if (strEQ(d,"lstat")) |
| 711 | FOP(O_LSTAT); |
| 712 | break; |
| 378cc40b |
713 | case 'm': case 'M': |
| 714 | SNARFWORD; |
| 715 | if (strEQ(d,"m")) { |
| 716 | s = scanpat(s-1); |
| a687059c |
717 | if (yylval.arg) |
| 718 | TERM(PATTERN); |
| 719 | else |
| 720 | RETURN(1); /* force error */ |
| 378cc40b |
721 | } |
| a687059c |
722 | if (strEQ(d,"mkdir")) |
| 723 | FUN2(O_MKDIR); |
| 724 | break; |
| 378cc40b |
725 | case 'n': case 'N': |
| 726 | SNARFWORD; |
| 727 | if (strEQ(d,"next")) |
| 728 | LOOPX(O_NEXT); |
| 729 | if (strEQ(d,"ne") || strEQ(d,"NE")) |
| a687059c |
730 | EOP(O_SNE); |
| 731 | break; |
| 378cc40b |
732 | case 'o': case 'O': |
| 733 | SNARFWORD; |
| 734 | if (strEQ(d,"open")) |
| 735 | OPERATOR(OPEN); |
| 736 | if (strEQ(d,"ord")) |
| a687059c |
737 | UNI(O_ORD); |
| 378cc40b |
738 | if (strEQ(d,"oct")) |
| a687059c |
739 | UNI(O_OCT); |
| 740 | if (strEQ(d,"opendir")) |
| 741 | FOP2(O_OPENDIR); |
| 742 | break; |
| 378cc40b |
743 | case 'p': case 'P': |
| 744 | SNARFWORD; |
| 745 | if (strEQ(d,"print")) { |
| a687059c |
746 | checkcomma(s,"filehandle"); |
| 747 | LOP(O_PRINT); |
| 378cc40b |
748 | } |
| 749 | if (strEQ(d,"printf")) { |
| a687059c |
750 | checkcomma(s,"filehandle"); |
| 751 | LOP(O_PRTF); |
| 378cc40b |
752 | } |
| 753 | if (strEQ(d,"push")) { |
| 754 | yylval.ival = O_PUSH; |
| 755 | OPERATOR(PUSH); |
| 756 | } |
| 757 | if (strEQ(d,"pop")) |
| 758 | OPERATOR(POP); |
| a687059c |
759 | if (strEQ(d,"pack")) |
| 760 | FL2(O_PACK); |
| 761 | if (strEQ(d,"package")) |
| 762 | OPERATOR(PACKAGE); |
| 763 | break; |
| 378cc40b |
764 | case 'q': case 'Q': |
| 765 | SNARFWORD; |
| a687059c |
766 | if (strEQ(d,"q")) { |
| 767 | s = scanstr(s-1); |
| 768 | TERM(RSTRING); |
| 769 | } |
| 770 | if (strEQ(d,"qq")) { |
| 771 | s = scanstr(s-2); |
| 772 | TERM(RSTRING); |
| 773 | } |
| 774 | break; |
| 378cc40b |
775 | case 'r': case 'R': |
| 776 | SNARFWORD; |
| a687059c |
777 | if (strEQ(d,"return")) |
| 778 | LOP(O_RETURN); |
| 378cc40b |
779 | if (strEQ(d,"reset")) |
| 780 | UNI(O_RESET); |
| 781 | if (strEQ(d,"redo")) |
| 782 | LOOPX(O_REDO); |
| 783 | if (strEQ(d,"rename")) |
| 784 | FUN2(O_RENAME); |
| a687059c |
785 | if (strEQ(d,"rand")) |
| 786 | UNI(O_RAND); |
| 787 | if (strEQ(d,"rmdir")) |
| 788 | UNI(O_RMDIR); |
| 789 | if (strEQ(d,"rindex")) |
| 790 | FUN2(O_RINDEX); |
| 791 | if (strEQ(d,"read")) |
| 792 | FOP3(O_READ); |
| 793 | if (strEQ(d,"readdir")) |
| 794 | FOP(O_READDIR); |
| 795 | if (strEQ(d,"rewinddir")) |
| 796 | FOP(O_REWINDDIR); |
| 797 | if (strEQ(d,"recv")) |
| 798 | FOP4(O_RECV); |
| 799 | if (strEQ(d,"reverse")) |
| 800 | LOP(O_REVERSE); |
| 801 | if (strEQ(d,"readlink")) |
| 802 | UNI(O_READLINK); |
| 803 | break; |
| 378cc40b |
804 | case 's': case 'S': |
| 805 | SNARFWORD; |
| 806 | if (strEQ(d,"s")) { |
| 807 | s = scansubst(s); |
| a687059c |
808 | if (yylval.arg) |
| 809 | TERM(SUBST); |
| 810 | else |
| 811 | RETURN(1); /* force error */ |
| 812 | } |
| 813 | switch (d[1]) { |
| 814 | case 'a': |
| 815 | case 'b': |
| 816 | case 'c': |
| 817 | case 'd': |
| 818 | break; |
| 819 | case 'e': |
| 820 | if (strEQ(d,"select")) |
| 821 | OPERATOR(SELECT); |
| 822 | if (strEQ(d,"seek")) |
| 823 | FOP3(O_SEEK); |
| 824 | if (strEQ(d,"send")) |
| 825 | FOP3(O_SEND); |
| 826 | if (strEQ(d,"setpgrp")) |
| 827 | FUN2(O_SETPGRP); |
| 828 | if (strEQ(d,"setpriority")) |
| 829 | FUN3(O_SETPRIORITY); |
| 830 | if (strEQ(d,"sethostent")) |
| 831 | FUN1(O_SHOSTENT); |
| 832 | if (strEQ(d,"setnetent")) |
| 833 | FUN1(O_SNETENT); |
| 834 | if (strEQ(d,"setservent")) |
| 835 | FUN1(O_SSERVENT); |
| 836 | if (strEQ(d,"setprotoent")) |
| 837 | FUN1(O_SPROTOENT); |
| 838 | if (strEQ(d,"setpwent")) |
| 839 | FUN0(O_SPWENT); |
| 840 | if (strEQ(d,"setgrent")) |
| 841 | FUN0(O_SGRENT); |
| 842 | if (strEQ(d,"seekdir")) |
| 843 | FOP2(O_SEEKDIR); |
| 844 | if (strEQ(d,"setsockopt")) |
| 845 | FOP4(O_SSOCKOPT); |
| 846 | break; |
| 847 | case 'f': |
| 848 | case 'g': |
| 849 | break; |
| 850 | case 'h': |
| 851 | if (strEQ(d,"shift")) |
| 852 | TERM(SHIFT); |
| 853 | if (strEQ(d,"shutdown")) |
| 854 | FOP2(O_SHUTDOWN); |
| 855 | break; |
| 856 | case 'i': |
| 857 | if (strEQ(d,"sin")) |
| 858 | UNI(O_SIN); |
| 859 | break; |
| 860 | case 'j': |
| 861 | case 'k': |
| 862 | break; |
| 863 | case 'l': |
| 864 | if (strEQ(d,"sleep")) |
| 865 | UNI(O_SLEEP); |
| 866 | break; |
| 867 | case 'm': |
| 868 | case 'n': |
| 869 | break; |
| 870 | case 'o': |
| 871 | if (strEQ(d,"socket")) |
| 872 | FOP4(O_SOCKET); |
| 873 | if (strEQ(d,"socketpair")) |
| 874 | FOP25(O_SOCKETPAIR); |
| 875 | if (strEQ(d,"sort")) { |
| 876 | checkcomma(s,"subroutine name"); |
| 877 | d = bufend; |
| 878 | while (s < d && isascii(*s) && isspace(*s)) s++; |
| 879 | if (*s == ';' || *s == ')') /* probably a close */ |
| 880 | fatal("sort is now a reserved word"); |
| 881 | if (isascii(*s) && (isalpha(*s) || *s == '_')) { |
| 882 | for (d = s; isalpha(*d) || isdigit(*d) || *d == '_'; d++) ; |
| 03a14243 |
883 | strncpy(tokenbuf,s,d-s); |
| 884 | if (strNE(tokenbuf,"keys") && |
| 885 | strNE(tokenbuf,"values") && |
| 886 | strNE(tokenbuf,"split") && |
| 887 | strNE(tokenbuf,"grep") && |
| 888 | strNE(tokenbuf,"readdir") && |
| 889 | strNE(tokenbuf,"unpack") && |
| 890 | strNE(tokenbuf,"do") && |
| 891 | (d >= bufend || isspace(*d)) ) |
| a687059c |
892 | *(--s) = '\\'; /* force next ident to WORD */ |
| 893 | } |
| 894 | LOP(O_SORT); |
| 895 | } |
| 896 | break; |
| 897 | case 'p': |
| 898 | if (strEQ(d,"split")) |
| 899 | TERM(SPLIT); |
| 900 | if (strEQ(d,"sprintf")) |
| 901 | FL(O_SPRINTF); |
| 902 | break; |
| 903 | case 'q': |
| 904 | if (strEQ(d,"sqrt")) |
| 905 | UNI(O_SQRT); |
| 906 | break; |
| 907 | case 'r': |
| 908 | if (strEQ(d,"srand")) |
| 909 | UNI(O_SRAND); |
| 910 | break; |
| 911 | case 's': |
| 912 | break; |
| 913 | case 't': |
| 914 | if (strEQ(d,"stat")) |
| 915 | FOP(O_STAT); |
| 916 | if (strEQ(d,"study")) { |
| 917 | sawstudy++; |
| 918 | LFUN(O_STUDY); |
| 919 | } |
| 920 | break; |
| 921 | case 'u': |
| 922 | if (strEQ(d,"substr")) |
| 923 | FUN3(O_SUBSTR); |
| 924 | if (strEQ(d,"sub")) { |
| 925 | subline = line; |
| 926 | d = bufend; |
| 927 | while (s < d && isspace(*s)) |
| 928 | s++; |
| 929 | if (isalpha(*s) || *s == '_' || *s == '\'') { |
| 930 | if (perldb) { |
| 931 | str_sset(subname,curstname); |
| 932 | str_ncat(subname,"'",1); |
| 933 | for (d = s+1; |
| 934 | isalpha(*d) || isdigit(*d) || *d == '_' || *d == '\''; |
| 935 | d++); |
| 936 | if (d[-1] == '\'') |
| 937 | d--; |
| 938 | str_ncat(subname,s,d-s); |
| 939 | } |
| 940 | *(--s) = '\\'; /* force next ident to WORD */ |
| 941 | } |
| 942 | else if (perldb) |
| 943 | str_set(subname,"?"); |
| 944 | OPERATOR(SUB); |
| 945 | } |
| 946 | break; |
| 947 | case 'v': |
| 948 | case 'w': |
| 949 | case 'x': |
| 950 | break; |
| 951 | case 'y': |
| 952 | if (strEQ(d,"system")) { |
| 953 | set_csh(); |
| 954 | LOP(O_SYSTEM); |
| 955 | } |
| 956 | if (strEQ(d,"symlink")) |
| 957 | FUN2(O_SYMLINK); |
| 958 | if (strEQ(d,"syscall")) |
| 959 | LOP(O_SYSCALL); |
| 960 | break; |
| 961 | case 'z': |
| 962 | break; |
| 963 | } |
| 964 | break; |
| 378cc40b |
965 | case 't': case 'T': |
| 966 | SNARFWORD; |
| 967 | if (strEQ(d,"tr")) { |
| 968 | s = scantrans(s); |
| a687059c |
969 | if (yylval.arg) |
| 970 | TERM(TRANS); |
| 971 | else |
| 972 | RETURN(1); /* force error */ |
| 378cc40b |
973 | } |
| 974 | if (strEQ(d,"tell")) |
| a687059c |
975 | FOP(O_TELL); |
| 976 | if (strEQ(d,"telldir")) |
| 977 | FOP(O_TELLDIR); |
| 378cc40b |
978 | if (strEQ(d,"time")) |
| 979 | FUN0(O_TIME); |
| 980 | if (strEQ(d,"times")) |
| 981 | FUN0(O_TMS); |
| a687059c |
982 | break; |
| 378cc40b |
983 | case 'u': case 'U': |
| 984 | SNARFWORD; |
| 985 | if (strEQ(d,"using")) |
| 986 | OPERATOR(USING); |
| 987 | if (strEQ(d,"until")) { |
| 988 | yylval.ival = line; |
| 989 | OPERATOR(UNTIL); |
| 990 | } |
| 991 | if (strEQ(d,"unless")) { |
| 992 | yylval.ival = line; |
| 993 | OPERATOR(UNLESS); |
| 994 | } |
| a687059c |
995 | if (strEQ(d,"unlink")) |
| 996 | LOP(O_UNLINK); |
| 997 | if (strEQ(d,"undef")) |
| 998 | LFUN(O_UNDEF); |
| 999 | if (strEQ(d,"unpack")) |
| 1000 | FUN2(O_UNPACK); |
| 1001 | if (strEQ(d,"utime")) |
| 1002 | LOP(O_UTIME); |
| 378cc40b |
1003 | if (strEQ(d,"umask")) |
| a687059c |
1004 | UNI(O_UMASK); |
| 378cc40b |
1005 | if (strEQ(d,"unshift")) { |
| 1006 | yylval.ival = O_UNSHIFT; |
| 1007 | OPERATOR(PUSH); |
| 1008 | } |
| a687059c |
1009 | break; |
| 378cc40b |
1010 | case 'v': case 'V': |
| 1011 | SNARFWORD; |
| 1012 | if (strEQ(d,"values")) |
| a687059c |
1013 | HFUN(O_VALUES); |
| 1014 | if (strEQ(d,"vec")) { |
| 1015 | sawvec = TRUE; |
| 1016 | FUN3(O_VEC); |
| 1017 | } |
| 1018 | break; |
| 378cc40b |
1019 | case 'w': case 'W': |
| 1020 | SNARFWORD; |
| 378cc40b |
1021 | if (strEQ(d,"while")) { |
| 1022 | yylval.ival = line; |
| 1023 | OPERATOR(WHILE); |
| 1024 | } |
| a687059c |
1025 | if (strEQ(d,"warn")) |
| 1026 | LOP(O_WARN); |
| 378cc40b |
1027 | if (strEQ(d,"wait")) |
| 1028 | FUN0(O_WAIT); |
| a687059c |
1029 | if (strEQ(d,"wantarray")) { |
| 1030 | yylval.arg = op_new(1); |
| 1031 | yylval.arg->arg_type = O_ITEM; |
| 1032 | yylval.arg[1].arg_type = A_WANTARRAY; |
| 1033 | TERM(RSTRING); |
| 1034 | } |
| 1035 | if (strEQ(d,"write")) |
| 1036 | FOP(O_WRITE); |
| 1037 | break; |
| 378cc40b |
1038 | case 'x': case 'X': |
| 1039 | SNARFWORD; |
| 1040 | if (!expectterm && strEQ(d,"x")) |
| a687059c |
1041 | MOP(O_REPEAT); |
| 1042 | break; |
| 378cc40b |
1043 | case 'y': case 'Y': |
| 1044 | SNARFWORD; |
| 1045 | if (strEQ(d,"y")) { |
| 1046 | s = scantrans(s); |
| 1047 | TERM(TRANS); |
| 1048 | } |
| a687059c |
1049 | break; |
| 378cc40b |
1050 | case 'z': case 'Z': |
| 1051 | SNARFWORD; |
| a687059c |
1052 | break; |
| 1053 | } |
| 1054 | yylval.cval = savestr(d); |
| 1055 | expectterm = FALSE; |
| 1056 | if (oldoldbufptr && oldoldbufptr < bufptr) { |
| 1057 | while (isspace(*oldoldbufptr)) |
| 1058 | oldoldbufptr++; |
| 1059 | if (*oldoldbufptr == 'p' && strnEQ(oldoldbufptr,"print",5)) |
| 1060 | expectterm = TRUE; |
| 1061 | else if (*oldoldbufptr == 's' && strnEQ(oldoldbufptr,"sort",4)) |
| 1062 | expectterm = TRUE; |
| 1063 | } |
| 1064 | return (CLINE, bufptr = s, (int)WORD); |
| 1065 | } |
| 1066 | |
| 1067 | int |
| 1068 | checkcomma(s,what) |
| 1069 | register char *s; |
| 1070 | char *what; |
| 1071 | { |
| 1072 | if (*s == '(') |
| 1073 | s++; |
| 1074 | while (s < bufend && isascii(*s) && isspace(*s)) |
| 1075 | s++; |
| 1076 | if (isascii(*s) && (isalpha(*s) || *s == '_')) { |
| 1077 | s++; |
| 1078 | while (isalpha(*s) || isdigit(*s) || *s == '_') |
| 1079 | s++; |
| 1080 | while (s < bufend && isspace(*s)) |
| 1081 | s++; |
| 1082 | if (*s == ',') |
| 1083 | fatal("No comma allowed after %s", what); |
| 378cc40b |
1084 | } |
| 1085 | } |
| 1086 | |
| 1087 | char * |
| a687059c |
1088 | scanreg(s,send,dest) |
| 378cc40b |
1089 | register char *s; |
| a687059c |
1090 | register char *send; |
| 378cc40b |
1091 | char *dest; |
| 1092 | { |
| 1093 | register char *d; |
| a687059c |
1094 | int brackets = 0; |
| 378cc40b |
1095 | |
| a687059c |
1096 | reparse = Nullch; |
| 378cc40b |
1097 | s++; |
| 1098 | d = dest; |
| 1099 | if (isdigit(*s)) { |
| a687059c |
1100 | while (isdigit(*s)) |
| 378cc40b |
1101 | *d++ = *s++; |
| 1102 | } |
| 1103 | else { |
| a687059c |
1104 | while (isalpha(*s) || isdigit(*s) || *s == '_' || *s == '\'') |
| 378cc40b |
1105 | *d++ = *s++; |
| 1106 | } |
| a687059c |
1107 | if (d > dest+1 && d[-1] == '\'') |
| 1108 | d--,s--; |
| 378cc40b |
1109 | *d = '\0'; |
| 1110 | d = dest; |
| 1111 | if (!*d) { |
| 1112 | *d = *s++; |
| a687059c |
1113 | if (*d == '{' /* } */ ) { |
| 378cc40b |
1114 | d = dest; |
| a687059c |
1115 | brackets++; |
| 1116 | while (s < send && brackets) { |
| 1117 | if (!reparse && (d == dest || (*s && isascii(*s) && |
| 1118 | (isalpha(*s) || isdigit(*s) || *s == '_') ))) { |
| 1119 | *d++ = *s++; |
| 1120 | continue; |
| 1121 | } |
| 1122 | else if (!reparse) |
| 1123 | reparse = s; |
| 1124 | switch (*s++) { |
| 1125 | /* { */ |
| 1126 | case '}': |
| 1127 | brackets--; |
| 1128 | if (reparse && reparse == s - 1) |
| 1129 | reparse = Nullch; |
| 1130 | break; |
| 1131 | case '{': /* } */ |
| 1132 | brackets++; |
| 1133 | break; |
| 1134 | } |
| 1135 | } |
| 378cc40b |
1136 | *d = '\0'; |
| 1137 | d = dest; |
| 378cc40b |
1138 | } |
| 1139 | else |
| 1140 | d[1] = '\0'; |
| 1141 | } |
| 1142 | if (*d == '^' && !isspace(*s)) |
| 1143 | *d = *s++ & 31; |
| 1144 | return s; |
| 1145 | } |
| 1146 | |
| 1147 | STR * |
| a687059c |
1148 | scanconst(string,len) |
| 378cc40b |
1149 | char *string; |
| a687059c |
1150 | int len; |
| 378cc40b |
1151 | { |
| 1152 | register STR *retstr; |
| 1153 | register char *t; |
| 1154 | register char *d; |
| a687059c |
1155 | register char *e; |
| 378cc40b |
1156 | |
| 1157 | if (index(string,'|')) { |
| 1158 | return Nullstr; |
| 1159 | } |
| a687059c |
1160 | retstr = Str_new(86,len); |
| 1161 | str_nset(retstr,string,len); |
| 378cc40b |
1162 | t = str_get(retstr); |
| a687059c |
1163 | e = t + len; |
| 1164 | retstr->str_u.str_useful = 100; |
| 1165 | for (d=t; d < e; ) { |
| 378cc40b |
1166 | switch (*d) { |
| a687059c |
1167 | case '{': |
| 1168 | if (isdigit(d[1])) |
| 1169 | e = d; |
| 1170 | else |
| 1171 | goto defchar; |
| 1172 | break; |
| 1173 | case '.': case '[': case '$': case '(': case ')': case '|': case '+': |
| 1174 | e = d; |
| 378cc40b |
1175 | break; |
| 1176 | case '\\': |
| a687059c |
1177 | if (d[1] && index("wWbB0123456789sSdD",d[1])) { |
| 1178 | e = d; |
| 378cc40b |
1179 | break; |
| 1180 | } |
| a687059c |
1181 | (void)bcopy(d+1,d,e-d); |
| 1182 | e--; |
| 378cc40b |
1183 | switch(*d) { |
| 1184 | case 'n': |
| 1185 | *d = '\n'; |
| 1186 | break; |
| 1187 | case 't': |
| 1188 | *d = '\t'; |
| 1189 | break; |
| 1190 | case 'f': |
| 1191 | *d = '\f'; |
| 1192 | break; |
| 1193 | case 'r': |
| 1194 | *d = '\r'; |
| 1195 | break; |
| 1196 | } |
| 1197 | /* FALL THROUGH */ |
| 1198 | default: |
| a687059c |
1199 | defchar: |
| 1200 | if (d[1] == '*' || (d[1] == '{' && d[2] == '0') || d[1] == '?') { |
| 1201 | e = d; |
| 378cc40b |
1202 | break; |
| 1203 | } |
| 1204 | d++; |
| 1205 | } |
| 1206 | } |
| a687059c |
1207 | if (d == t) { |
| 378cc40b |
1208 | str_free(retstr); |
| 1209 | return Nullstr; |
| 1210 | } |
| a687059c |
1211 | *d = '\0'; |
| 1212 | retstr->str_cur = d - t; |
| 378cc40b |
1213 | return retstr; |
| 1214 | } |
| 1215 | |
| 1216 | char * |
| 1217 | scanpat(s) |
| 1218 | register char *s; |
| 1219 | { |
| a687059c |
1220 | register SPAT *spat; |
| 378cc40b |
1221 | register char *d; |
| a687059c |
1222 | register char *e; |
| 1223 | int len; |
| 1224 | SPAT savespat; |
| 378cc40b |
1225 | |
| a687059c |
1226 | Newz(801,spat,1,SPAT); |
| 1227 | spat->spat_next = curstash->tbl_spatroot; /* link into spat list */ |
| 1228 | curstash->tbl_spatroot = spat; |
| 378cc40b |
1229 | |
| 1230 | switch (*s++) { |
| 1231 | case 'm': |
| 1232 | s++; |
| 1233 | break; |
| 1234 | case '/': |
| 1235 | break; |
| 1236 | case '?': |
| 1237 | spat->spat_flags |= SPAT_ONCE; |
| 1238 | break; |
| 1239 | default: |
| 1240 | fatal("panic: scanpat"); |
| 1241 | } |
| a687059c |
1242 | s = cpytill(tokenbuf,s,bufend,s[-1],&len); |
| 1243 | if (s >= bufend) { |
| 1244 | yyerror("Search pattern not terminated"); |
| 1245 | yylval.arg = Nullarg; |
| 1246 | return s; |
| 1247 | } |
| 378cc40b |
1248 | s++; |
| a687059c |
1249 | while (*s == 'i' || *s == 'o') { |
| 1250 | if (*s == 'i') { |
| 1251 | s++; |
| 1252 | sawi = TRUE; |
| 1253 | spat->spat_flags |= SPAT_FOLD; |
| 1254 | } |
| 1255 | if (*s == 'o') { |
| 1256 | s++; |
| 1257 | spat->spat_flags |= SPAT_KEEP; |
| 1258 | } |
| 378cc40b |
1259 | } |
| a687059c |
1260 | e = tokenbuf + len; |
| 1261 | for (d=tokenbuf; d < e; d++) { |
| 1262 | if ((*d == '$' && d[1] && d[-1] != '\\' && d[1] != '|') || |
| 1263 | (*d == '@' && d[-1] != '\\')) { |
| 378cc40b |
1264 | register ARG *arg; |
| 1265 | |
| 1266 | spat->spat_runtime = arg = op_new(1); |
| 1267 | arg->arg_type = O_ITEM; |
| 1268 | arg[1].arg_type = A_DOUBLE; |
| a687059c |
1269 | arg[1].arg_ptr.arg_str = str_make(tokenbuf,len); |
| 1270 | arg[1].arg_ptr.arg_str->str_u.str_hash = curstash; |
| 1271 | d = scanreg(d,bufend,buf); |
| 1272 | (void)stabent(buf,TRUE); /* make sure it's created */ |
| 1273 | for (; d < e; d++) { |
| 1274 | if (*d == '$' && d[1] && d[-1] != '\\' && d[1] != '|') { |
| 1275 | d = scanreg(d,bufend,buf); |
| 1276 | (void)stabent(buf,TRUE); |
| 1277 | } |
| 1278 | else if (*d == '@' && d[-1] != '\\') { |
| 1279 | d = scanreg(d,bufend,buf); |
| 1280 | if (strEQ(buf,"ARGV") || strEQ(buf,"ENV") || |
| 1281 | strEQ(buf,"SIG") || strEQ(buf,"INC")) |
| 1282 | (void)stabent(buf,TRUE); |
| 1283 | } |
| 1284 | } |
| 378cc40b |
1285 | goto got_pat; /* skip compiling for now */ |
| 1286 | } |
| 1287 | } |
| a687059c |
1288 | if (spat->spat_flags & SPAT_FOLD) |
| 1289 | #ifdef STRUCTCOPY |
| 1290 | savespat = *spat; |
| 1291 | #else |
| 1292 | (void)bcopy((char *)spat, (char *)&savespat, sizeof(SPAT)); |
| 1293 | #endif |
| 1294 | if (*tokenbuf == '^') { |
| 1295 | spat->spat_short = scanconst(tokenbuf+1,len-1); |
| 1296 | if (spat->spat_short) { |
| 1297 | spat->spat_slen = spat->spat_short->str_cur; |
| 1298 | if (spat->spat_slen == len - 1) |
| 1299 | spat->spat_flags |= SPAT_ALL; |
| 378cc40b |
1300 | } |
| 378cc40b |
1301 | } |
| a687059c |
1302 | else { |
| 1303 | spat->spat_flags |= SPAT_SCANFIRST; |
| 1304 | spat->spat_short = scanconst(tokenbuf,len); |
| 1305 | if (spat->spat_short) { |
| 1306 | spat->spat_slen = spat->spat_short->str_cur; |
| 1307 | if (spat->spat_slen == len) |
| 1308 | spat->spat_flags |= SPAT_ALL; |
| 1309 | } |
| 1310 | } |
| 1311 | if ((spat->spat_flags & SPAT_ALL) && (spat->spat_flags & SPAT_SCANFIRST)) { |
| 1312 | fbmcompile(spat->spat_short, spat->spat_flags & SPAT_FOLD); |
| 1313 | spat->spat_regexp = regcomp(tokenbuf,tokenbuf+len, |
| 1314 | spat->spat_flags & SPAT_FOLD,1); |
| 1315 | /* Note that this regexp can still be used if someone says |
| 1316 | * something like /a/ && s//b/; so we can't delete it. |
| 1317 | */ |
| 1318 | } |
| 1319 | else { |
| 1320 | if (spat->spat_flags & SPAT_FOLD) |
| 1321 | #ifdef STRUCTCOPY |
| 1322 | *spat = savespat; |
| 1323 | #else |
| 1324 | (void)bcopy((char *)&savespat, (char *)spat, sizeof(SPAT)); |
| 1325 | #endif |
| 1326 | if (spat->spat_short) |
| 1327 | fbmcompile(spat->spat_short, spat->spat_flags & SPAT_FOLD); |
| 1328 | spat->spat_regexp = regcomp(tokenbuf,tokenbuf+len, |
| 1329 | spat->spat_flags & SPAT_FOLD,1); |
| 1330 | hoistmust(spat); |
| 1331 | } |
| 378cc40b |
1332 | got_pat: |
| 1333 | yylval.arg = make_match(O_MATCH,stab2arg(A_STAB,defstab),spat); |
| 1334 | return s; |
| 1335 | } |
| 1336 | |
| 1337 | char * |
| 1338 | scansubst(s) |
| 1339 | register char *s; |
| 1340 | { |
| a687059c |
1341 | register SPAT *spat; |
| 378cc40b |
1342 | register char *d; |
| a687059c |
1343 | register char *e; |
| 1344 | int len; |
| 378cc40b |
1345 | |
| a687059c |
1346 | Newz(802,spat,1,SPAT); |
| 1347 | spat->spat_next = curstash->tbl_spatroot; /* link into spat list */ |
| 1348 | curstash->tbl_spatroot = spat; |
| 378cc40b |
1349 | |
| a687059c |
1350 | s = cpytill(tokenbuf,s+1,bufend,*s,&len); |
| 1351 | if (s >= bufend) { |
| 1352 | yyerror("Substitution pattern not terminated"); |
| 1353 | yylval.arg = Nullarg; |
| 1354 | return s; |
| 1355 | } |
| 1356 | e = tokenbuf + len; |
| 1357 | for (d=tokenbuf; d < e; d++) { |
| 1358 | if ((*d == '$' && d[1] && d[-1] != '\\' && d[1] != '|') || |
| 1359 | (*d == '@' && d[-1] != '\\')) { |
| 378cc40b |
1360 | register ARG *arg; |
| 1361 | |
| 1362 | spat->spat_runtime = arg = op_new(1); |
| 1363 | arg->arg_type = O_ITEM; |
| 1364 | arg[1].arg_type = A_DOUBLE; |
| a687059c |
1365 | arg[1].arg_ptr.arg_str = str_make(tokenbuf,len); |
| 1366 | arg[1].arg_ptr.arg_str->str_u.str_hash = curstash; |
| 1367 | d = scanreg(d,bufend,buf); |
| 1368 | (void)stabent(buf,TRUE); /* make sure it's created */ |
| 1369 | for (; *d; d++) { |
| 1370 | if (*d == '$' && d[1] && d[-1] != '\\' && d[1] != '|') { |
| 1371 | d = scanreg(d,bufend,buf); |
| 1372 | (void)stabent(buf,TRUE); |
| 1373 | } |
| 1374 | else if (*d == '@' && d[-1] != '\\') { |
| 1375 | d = scanreg(d,bufend,buf); |
| 1376 | if (strEQ(buf,"ARGV") || strEQ(buf,"ENV") || |
| 1377 | strEQ(buf,"SIG") || strEQ(buf,"INC")) |
| 1378 | (void)stabent(buf,TRUE); |
| 1379 | } |
| 1380 | } |
| 378cc40b |
1381 | goto get_repl; /* skip compiling for now */ |
| 1382 | } |
| 1383 | } |
| 1384 | if (*tokenbuf == '^') { |
| a687059c |
1385 | spat->spat_short = scanconst(tokenbuf+1,len-1); |
| 378cc40b |
1386 | if (spat->spat_short) |
| a687059c |
1387 | spat->spat_slen = spat->spat_short->str_cur; |
| 378cc40b |
1388 | } |
| 1389 | else { |
| 1390 | spat->spat_flags |= SPAT_SCANFIRST; |
| a687059c |
1391 | spat->spat_short = scanconst(tokenbuf,len); |
| 378cc40b |
1392 | if (spat->spat_short) |
| a687059c |
1393 | spat->spat_slen = spat->spat_short->str_cur; |
| 1394 | } |
| 1395 | d = nsavestr(tokenbuf,len); |
| 378cc40b |
1396 | get_repl: |
| 1397 | s = scanstr(s); |
| a687059c |
1398 | if (s >= bufend) { |
| 1399 | yyerror("Substitution replacement not terminated"); |
| 1400 | yylval.arg = Nullarg; |
| 1401 | return s; |
| 1402 | } |
| 378cc40b |
1403 | spat->spat_repl = yylval.arg; |
| 1404 | spat->spat_flags |= SPAT_ONCE; |
| a687059c |
1405 | if ((spat->spat_repl[1].arg_type & A_MASK) == A_SINGLE) |
| 1406 | spat->spat_flags |= SPAT_CONST; |
| 1407 | else if ((spat->spat_repl[1].arg_type & A_MASK) == A_DOUBLE) { |
| 1408 | STR *tmpstr; |
| 1409 | register char *t; |
| 1410 | |
| 1411 | spat->spat_flags |= SPAT_CONST; |
| 1412 | tmpstr = spat->spat_repl[1].arg_ptr.arg_str; |
| 1413 | e = tmpstr->str_ptr + tmpstr->str_cur; |
| 1414 | for (t = tmpstr->str_ptr; t < e; t++) { |
| 1415 | if (*t == '$' && t[1] && index("`'&+0123456789",t[1])) |
| 1416 | spat->spat_flags &= ~SPAT_CONST; |
| 1417 | } |
| 1418 | } |
| 1419 | while (*s == 'g' || *s == 'i' || *s == 'e' || *s == 'o') { |
| 1420 | if (*s == 'e') { |
| 1421 | s++; |
| 1422 | if ((spat->spat_repl[1].arg_type & A_MASK) == A_DOUBLE) |
| 1423 | spat->spat_repl[1].arg_type = A_SINGLE; |
| 1424 | spat->spat_repl = fixeval(make_op(O_EVAL,2, |
| 1425 | spat->spat_repl, |
| 1426 | Nullarg, |
| 1427 | Nullarg)); |
| 1428 | spat->spat_flags &= ~SPAT_CONST; |
| 1429 | } |
| 378cc40b |
1430 | if (*s == 'g') { |
| 1431 | s++; |
| 1432 | spat->spat_flags &= ~SPAT_ONCE; |
| 1433 | } |
| 1434 | if (*s == 'i') { |
| 1435 | s++; |
| a687059c |
1436 | sawi = TRUE; |
| 378cc40b |
1437 | spat->spat_flags |= SPAT_FOLD; |
| a687059c |
1438 | if (!(spat->spat_flags & SPAT_SCANFIRST)) { |
| 1439 | str_free(spat->spat_short); /* anchored opt doesn't do */ |
| 1440 | spat->spat_short = Nullstr; /* case insensitive match */ |
| 1441 | spat->spat_slen = 0; |
| 1442 | } |
| 1443 | } |
| 1444 | if (*s == 'o') { |
| 1445 | s++; |
| 1446 | spat->spat_flags |= SPAT_KEEP; |
| 378cc40b |
1447 | } |
| 1448 | } |
| a687059c |
1449 | if (spat->spat_short && (spat->spat_flags & SPAT_SCANFIRST)) |
| 1450 | fbmcompile(spat->spat_short, spat->spat_flags & SPAT_FOLD); |
| 378cc40b |
1451 | if (!spat->spat_runtime) { |
| a687059c |
1452 | spat->spat_regexp = regcomp(d,d+len,spat->spat_flags & SPAT_FOLD,1); |
| 378cc40b |
1453 | hoistmust(spat); |
| a687059c |
1454 | Safefree(d); |
| 378cc40b |
1455 | } |
| 1456 | yylval.arg = make_match(O_SUBST,stab2arg(A_STAB,defstab),spat); |
| 1457 | return s; |
| 1458 | } |
| 1459 | |
| 1460 | hoistmust(spat) |
| 1461 | register SPAT *spat; |
| 1462 | { |
| 1463 | if (spat->spat_regexp->regmust) { /* is there a better short-circuit? */ |
| 1464 | if (spat->spat_short && |
| a687059c |
1465 | str_eq(spat->spat_short,spat->spat_regexp->regmust)) |
| 1466 | { |
| 378cc40b |
1467 | if (spat->spat_flags & SPAT_SCANFIRST) { |
| 1468 | str_free(spat->spat_short); |
| 1469 | spat->spat_short = Nullstr; |
| 1470 | } |
| 1471 | else { |
| 1472 | str_free(spat->spat_regexp->regmust); |
| 1473 | spat->spat_regexp->regmust = Nullstr; |
| 1474 | return; |
| 1475 | } |
| 1476 | } |
| 1477 | if (!spat->spat_short || /* promote the better string */ |
| 1478 | ((spat->spat_flags & SPAT_SCANFIRST) && |
| 1479 | (spat->spat_short->str_cur < spat->spat_regexp->regmust->str_cur) )){ |
| 1480 | str_free(spat->spat_short); /* ok if null */ |
| 1481 | spat->spat_short = spat->spat_regexp->regmust; |
| 1482 | spat->spat_regexp->regmust = Nullstr; |
| 1483 | spat->spat_flags |= SPAT_SCANFIRST; |
| 1484 | } |
| 1485 | } |
| 1486 | } |
| 1487 | |
| 1488 | char * |
| a687059c |
1489 | expand_charset(s,len,retlen) |
| 378cc40b |
1490 | register char *s; |
| a687059c |
1491 | int len; |
| 1492 | int *retlen; |
| 378cc40b |
1493 | { |
| 1494 | char t[512]; |
| 1495 | register char *d = t; |
| 1496 | register int i; |
| a687059c |
1497 | register char *send = s + len; |
| 378cc40b |
1498 | |
| a687059c |
1499 | while (s < send) { |
| 1500 | if (s[1] == '-' && s+2 < send) { |
| 378cc40b |
1501 | for (i = s[0]; i <= s[2]; i++) |
| 1502 | *d++ = i; |
| 1503 | s += 3; |
| 1504 | } |
| 1505 | else |
| 1506 | *d++ = *s++; |
| 1507 | } |
| 1508 | *d = '\0'; |
| a687059c |
1509 | *retlen = d - t; |
| 1510 | return nsavestr(t,d-t); |
| 378cc40b |
1511 | } |
| 1512 | |
| 1513 | char * |
| 1514 | scantrans(s) |
| 1515 | register char *s; |
| 1516 | { |
| 1517 | ARG *arg = |
| a687059c |
1518 | l(make_op(O_TRANS,2,stab2arg(A_STAB,defstab),Nullarg,Nullarg)); |
| 378cc40b |
1519 | register char *t; |
| 1520 | register char *r; |
| a687059c |
1521 | register char *tbl; |
| 378cc40b |
1522 | register int i; |
| 13281fa4 |
1523 | register int j; |
| a687059c |
1524 | int tlen, rlen; |
| 378cc40b |
1525 | |
| a687059c |
1526 | Newz(803,tbl,256,char); |
| 378cc40b |
1527 | arg[2].arg_type = A_NULL; |
| 1528 | arg[2].arg_ptr.arg_cval = tbl; |
| 378cc40b |
1529 | s = scanstr(s); |
| a687059c |
1530 | if (s >= bufend) { |
| 1531 | yyerror("Translation pattern not terminated"); |
| 1532 | yylval.arg = Nullarg; |
| 1533 | return s; |
| 1534 | } |
| 1535 | t = expand_charset(yylval.arg[1].arg_ptr.arg_str->str_ptr, |
| 1536 | yylval.arg[1].arg_ptr.arg_str->str_cur,&tlen); |
| 378cc40b |
1537 | free_arg(yylval.arg); |
| 1538 | s = scanstr(s-1); |
| a687059c |
1539 | if (s >= bufend) { |
| 1540 | yyerror("Translation replacement not terminated"); |
| 1541 | yylval.arg = Nullarg; |
| 1542 | return s; |
| 1543 | } |
| 1544 | r = expand_charset(yylval.arg[1].arg_ptr.arg_str->str_ptr, |
| 1545 | yylval.arg[1].arg_ptr.arg_str->str_cur,&rlen); |
| 378cc40b |
1546 | free_arg(yylval.arg); |
| 1547 | yylval.arg = arg; |
| 1548 | if (!*r) { |
| a687059c |
1549 | Safefree(r); |
| 378cc40b |
1550 | r = t; |
| 1551 | } |
| a687059c |
1552 | for (i = 0, j = 0; i < tlen; i++,j++) { |
| 1553 | if (j >= rlen) |
| 13281fa4 |
1554 | --j; |
| 1555 | tbl[t[i] & 0377] = r[j]; |
| 378cc40b |
1556 | } |
| 1557 | if (r != t) |
| a687059c |
1558 | Safefree(r); |
| 1559 | Safefree(t); |
| 378cc40b |
1560 | return s; |
| 1561 | } |
| 1562 | |
| 1563 | char * |
| 1564 | scanstr(s) |
| 1565 | register char *s; |
| 1566 | { |
| 1567 | register char term; |
| 1568 | register char *d; |
| 1569 | register ARG *arg; |
| a687059c |
1570 | register char *send; |
| 378cc40b |
1571 | register bool makesingle = FALSE; |
| 1572 | register STAB *stab; |
| a687059c |
1573 | bool alwaysdollar = FALSE; |
| 1574 | bool hereis = FALSE; |
| 1575 | STR *herewas; |
| 1576 | char *leave = "\\$@nrtfb0123456789[{]}"; /* which backslash sequences to keep */ |
| 1577 | int len; |
| 378cc40b |
1578 | |
| 1579 | arg = op_new(1); |
| 1580 | yylval.arg = arg; |
| 1581 | arg->arg_type = O_ITEM; |
| 1582 | |
| 1583 | switch (*s) { |
| 1584 | default: /* a substitution replacement */ |
| 1585 | arg[1].arg_type = A_DOUBLE; |
| 1586 | makesingle = TRUE; /* maybe disable runtime scanning */ |
| 1587 | term = *s; |
| 1588 | if (term == '\'') |
| 1589 | leave = Nullch; |
| 1590 | goto snarf_it; |
| 1591 | case '0': |
| 1592 | { |
| 1593 | long i; |
| 1594 | int shift; |
| 1595 | |
| 1596 | arg[1].arg_type = A_SINGLE; |
| 1597 | if (s[1] == 'x') { |
| 1598 | shift = 4; |
| 1599 | s += 2; |
| 1600 | } |
| 1601 | else if (s[1] == '.') |
| 1602 | goto decimal; |
| 1603 | else |
| 1604 | shift = 3; |
| 1605 | i = 0; |
| 1606 | for (;;) { |
| 1607 | switch (*s) { |
| 1608 | default: |
| 1609 | goto out; |
| 1610 | case '8': case '9': |
| 1611 | if (shift != 4) |
| a687059c |
1612 | yyerror("Illegal octal digit"); |
| 378cc40b |
1613 | /* FALL THROUGH */ |
| 1614 | case '0': case '1': case '2': case '3': case '4': |
| 1615 | case '5': case '6': case '7': |
| 1616 | i <<= shift; |
| 1617 | i += *s++ & 15; |
| 1618 | break; |
| 1619 | case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': |
| 1620 | case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': |
| 1621 | if (shift != 4) |
| 1622 | goto out; |
| 1623 | i <<= 4; |
| 1624 | i += (*s++ & 7) + 9; |
| 1625 | break; |
| 1626 | } |
| 1627 | } |
| 1628 | out: |
| a687059c |
1629 | (void)sprintf(tokenbuf,"%ld",i); |
| 1630 | arg[1].arg_ptr.arg_str = str_make(tokenbuf,strlen(tokenbuf)); |
| 1631 | (void)str_2num(arg[1].arg_ptr.arg_str); |
| 378cc40b |
1632 | } |
| 1633 | break; |
| 1634 | case '1': case '2': case '3': case '4': case '5': |
| 1635 | case '6': case '7': case '8': case '9': case '.': |
| 1636 | decimal: |
| 1637 | arg[1].arg_type = A_SINGLE; |
| 1638 | d = tokenbuf; |
| 1639 | while (isdigit(*s) || *s == '_') { |
| 1640 | if (*s == '_') |
| 1641 | s++; |
| 1642 | else |
| 1643 | *d++ = *s++; |
| 1644 | } |
| a687059c |
1645 | if (*s == '.' && s[1] && index("0123456789eE ;",s[1])) { |
| 378cc40b |
1646 | *d++ = *s++; |
| 1647 | while (isdigit(*s) || *s == '_') { |
| 1648 | if (*s == '_') |
| 1649 | s++; |
| 1650 | else |
| 1651 | *d++ = *s++; |
| 1652 | } |
| 1653 | } |
| a687059c |
1654 | if (*s && index("eE",*s) && index("+-0123456789",s[1])) { |
| 378cc40b |
1655 | *d++ = *s++; |
| 1656 | if (*s == '+' || *s == '-') |
| 1657 | *d++ = *s++; |
| 1658 | while (isdigit(*s)) |
| 1659 | *d++ = *s++; |
| 1660 | } |
| 1661 | *d = '\0'; |
| a687059c |
1662 | arg[1].arg_ptr.arg_str = str_make(tokenbuf, d - tokenbuf); |
| 1663 | (void)str_2num(arg[1].arg_ptr.arg_str); |
| 378cc40b |
1664 | break; |
| 378cc40b |
1665 | case '<': |
| a687059c |
1666 | if (*++s == '<') { |
| 1667 | hereis = TRUE; |
| 1668 | d = tokenbuf; |
| 1669 | if (!rsfp) |
| 1670 | *d++ = '\n'; |
| 1671 | if (*++s && index("`'\"",*s)) { |
| 1672 | term = *s++; |
| 1673 | s = cpytill(d,s,bufend,term,&len); |
| 1674 | if (s < bufend) |
| 1675 | s++; |
| 1676 | d += len; |
| 1677 | } |
| 1678 | else { |
| 1679 | if (*s == '\\') |
| 1680 | s++, term = '\''; |
| 1681 | else |
| 1682 | term = '"'; |
| 1683 | while (isascii(*s) && (isalpha(*s) || isdigit(*s) || *s == '_')) |
| 1684 | *d++ = *s++; |
| 1685 | } /* assuming tokenbuf won't clobber */ |
| 1686 | *d++ = '\n'; |
| 1687 | *d = '\0'; |
| 1688 | len = d - tokenbuf; |
| 1689 | d = "\n"; |
| 1690 | if (rsfp || !(d=ninstr(s,bufend,d,d+1))) |
| 1691 | herewas = str_make(s,bufend-s); |
| 1692 | else |
| 1693 | s--, herewas = str_make(s,d-s); |
| 1694 | s += herewas->str_cur; |
| 1695 | if (term == '\'') |
| 1696 | goto do_single; |
| 1697 | if (term == '`') |
| 1698 | goto do_back; |
| 1699 | goto do_double; |
| 1700 | } |
| 378cc40b |
1701 | d = tokenbuf; |
| a687059c |
1702 | s = cpytill(d,s,bufend,'>',&len); |
| 1703 | if (s < bufend) |
| 378cc40b |
1704 | s++; |
| 1705 | if (*d == '$') d++; |
| a687059c |
1706 | while (*d && |
| 1707 | (isalpha(*d) || isdigit(*d) || *d == '_' || *d == '\'')) |
| 1708 | d++; |
| 1709 | if (d - tokenbuf != len) { |
| 378cc40b |
1710 | d = tokenbuf; |
| 1711 | arg[1].arg_type = A_GLOB; |
| a687059c |
1712 | d = nsavestr(d,len); |
| 378cc40b |
1713 | arg[1].arg_ptr.arg_stab = stab = genstab(); |
| a687059c |
1714 | stab_io(stab) = stio_new(); |
| 1715 | stab_val(stab) = str_make(d,len); |
| 1716 | stab_val(stab)->str_u.str_hash = curstash; |
| 1717 | Safefree(d); |
| 1718 | set_csh(); |
| 378cc40b |
1719 | } |
| 1720 | else { |
| 1721 | d = tokenbuf; |
| a687059c |
1722 | if (!len) |
| 1723 | (void)strcpy(d,"ARGV"); |
| 378cc40b |
1724 | if (*d == '$') { |
| 1725 | arg[1].arg_type = A_INDREAD; |
| 1726 | arg[1].arg_ptr.arg_stab = stabent(d+1,TRUE); |
| 1727 | } |
| 1728 | else { |
| 1729 | arg[1].arg_type = A_READ; |
| a687059c |
1730 | if (rsfp == stdin && (strEQ(d,"stdin") || strEQ(d,"STDIN"))) |
| 1731 | yyerror("Can't get both program and data from <STDIN>"); |
| 378cc40b |
1732 | arg[1].arg_ptr.arg_stab = stabent(d,TRUE); |
| a687059c |
1733 | if (!stab_io(arg[1].arg_ptr.arg_stab)) |
| 1734 | stab_io(arg[1].arg_ptr.arg_stab) = stio_new(); |
| 378cc40b |
1735 | if (strEQ(d,"ARGV")) { |
| a687059c |
1736 | (void)aadd(arg[1].arg_ptr.arg_stab); |
| 1737 | stab_io(arg[1].arg_ptr.arg_stab)->flags |= |
| 378cc40b |
1738 | IOF_ARGV|IOF_START; |
| 1739 | } |
| 1740 | } |
| 1741 | } |
| 1742 | break; |
| a687059c |
1743 | |
| 1744 | case 'q': |
| 1745 | s++; |
| 1746 | if (*s == 'q') { |
| 1747 | s++; |
| 1748 | goto do_double; |
| 1749 | } |
| 1750 | /* FALL THROUGH */ |
| 1751 | case '\'': |
| 1752 | do_single: |
| 1753 | term = *s; |
| 1754 | arg[1].arg_type = A_SINGLE; |
| 1755 | leave = Nullch; |
| 1756 | goto snarf_it; |
| 1757 | |
| 378cc40b |
1758 | case '"': |
| a687059c |
1759 | do_double: |
| 1760 | term = *s; |
| 378cc40b |
1761 | arg[1].arg_type = A_DOUBLE; |
| 1762 | makesingle = TRUE; /* maybe disable runtime scanning */ |
| a687059c |
1763 | alwaysdollar = TRUE; /* treat $) and $| as variables */ |
| 378cc40b |
1764 | goto snarf_it; |
| 1765 | case '`': |
| a687059c |
1766 | do_back: |
| 378cc40b |
1767 | term = *s; |
| a687059c |
1768 | arg[1].arg_type = A_BACKTICK; |
| 1769 | set_csh(); |
| 1770 | alwaysdollar = TRUE; /* treat $) and $| as variables */ |
| 378cc40b |
1771 | snarf_it: |
| 1772 | { |
| 1773 | STR *tmpstr; |
| 378cc40b |
1774 | char *tmps; |
| 1775 | |
| a687059c |
1776 | multi_start = line; |
| 1777 | if (hereis) |
| 1778 | multi_open = multi_close = '<'; |
| 1779 | else { |
| 1780 | multi_open = term; |
| 1781 | if (tmps = index("([{< )]}> )]}>",term)) |
| 1782 | term = tmps[5]; |
| 1783 | multi_close = term; |
| 1784 | } |
| 1785 | tmpstr = Str_new(87,0); |
| 1786 | if (hereis) { |
| 1787 | term = *tokenbuf; |
| 1788 | if (!rsfp) { |
| 1789 | d = s; |
| 1790 | while (s < bufend && |
| 1791 | (*s != term || bcmp(s,tokenbuf,len) != 0) ) { |
| 1792 | if (*s++ == '\n') |
| 1793 | line++; |
| 1794 | } |
| 1795 | if (s >= bufend) { |
| 1796 | line = multi_start; |
| 1797 | fatal("EOF in string"); |
| 1798 | } |
| 1799 | str_nset(tmpstr,d+1,s-d); |
| 1800 | s += len - 1; |
| 1801 | str_ncat(herewas,s,bufend-s); |
| 1802 | str_replace(linestr,herewas); |
| 1803 | oldoldbufptr = oldbufptr = bufptr = s = str_get(linestr); |
| 1804 | bufend = linestr->str_ptr + linestr->str_cur; |
| 1805 | hereis = FALSE; |
| 1806 | } |
| 1807 | } |
| 1808 | else |
| 1809 | s = str_append_till(tmpstr,s+1,bufend,term,leave); |
| 1810 | while (s >= bufend) { /* multiple line string? */ |
| 1811 | if (!rsfp || |
| 1812 | !(oldoldbufptr = oldbufptr = s = str_gets(linestr, rsfp, 0))) { |
| 1813 | line = multi_start; |
| 378cc40b |
1814 | fatal("EOF in string"); |
| 1815 | } |
| 1816 | line++; |
| a687059c |
1817 | if (perldb) { |
| 1818 | STR *str = Str_new(88,0); |
| 1819 | |
| 1820 | str_sset(str,linestr); |
| 1821 | astore(lineary,(int)line,str); |
| 1822 | } |
| 1823 | bufend = linestr->str_ptr + linestr->str_cur; |
| 1824 | if (hereis) { |
| 1825 | if (*s == term && bcmp(s,tokenbuf,len) == 0) { |
| 1826 | s = bufend - 1; |
| 1827 | *s = ' '; |
| 1828 | str_scat(linestr,herewas); |
| 1829 | bufend = linestr->str_ptr + linestr->str_cur; |
| 1830 | } |
| 1831 | else { |
| 1832 | s = bufend; |
| 1833 | str_scat(tmpstr,linestr); |
| 1834 | } |
| 1835 | } |
| 1836 | else |
| 1837 | s = str_append_till(tmpstr,s,bufend,term,leave); |
| 378cc40b |
1838 | } |
| a687059c |
1839 | multi_end = line; |
| 378cc40b |
1840 | s++; |
| a687059c |
1841 | if (tmpstr->str_cur + 5 < tmpstr->str_len) { |
| 1842 | tmpstr->str_len = tmpstr->str_cur + 1; |
| 1843 | Renew(tmpstr->str_ptr, tmpstr->str_len, char); |
| 1844 | } |
| 1845 | if ((arg[1].arg_type & A_MASK) == A_SINGLE) { |
| 378cc40b |
1846 | arg[1].arg_ptr.arg_str = tmpstr; |
| 1847 | break; |
| 1848 | } |
| 1849 | tmps = s; |
| 1850 | s = tmpstr->str_ptr; |
| a687059c |
1851 | send = s + tmpstr->str_cur; |
| 1852 | while (s < send) { /* see if we can make SINGLE */ |
| 378cc40b |
1853 | if (*s == '\\' && s[1] && isdigit(s[1]) && !isdigit(s[2]) && |
| a687059c |
1854 | !alwaysdollar ) |
| 378cc40b |
1855 | *s = '$'; /* grandfather \digit in subst */ |
| a687059c |
1856 | if ((*s == '$' || *s == '@') && s+1 < send && |
| 1857 | (alwaysdollar || (s[1] != ')' && s[1] != '|'))) { |
| 378cc40b |
1858 | makesingle = FALSE; /* force interpretation */ |
| 1859 | } |
| a687059c |
1860 | else if (*s == '\\' && s+1 < send) { |
| 378cc40b |
1861 | s++; |
| 1862 | } |
| 1863 | s++; |
| 1864 | } |
| 1865 | s = d = tmpstr->str_ptr; /* assuming shrinkage only */ |
| a687059c |
1866 | while (s < send) { |
| 1867 | if ((*s == '$' && s+1 < send && |
| 1868 | (alwaysdollar || /*(*/ (s[1] != ')' && s[1] != '|')) ) || |
| 1869 | (*s == '@' && s+1 < send) ) { |
| 1870 | len = scanreg(s,bufend,tokenbuf) - s; |
| 1871 | if (*s == '$' || strEQ(tokenbuf,"ARGV") |
| 1872 | || strEQ(tokenbuf,"ENV") |
| 1873 | || strEQ(tokenbuf,"SIG") |
| 1874 | || strEQ(tokenbuf,"INC") ) |
| 1875 | (void)stabent(tokenbuf,TRUE); /* make sure it exists */ |
| 378cc40b |
1876 | while (len--) |
| 1877 | *d++ = *s++; |
| 1878 | continue; |
| 1879 | } |
| a687059c |
1880 | else if (*s == '\\' && s+1 < send) { |
| 378cc40b |
1881 | s++; |
| 1882 | switch (*s) { |
| 1883 | default: |
| a687059c |
1884 | if (!makesingle && (!leave || (*s && index(leave,*s)))) |
| 378cc40b |
1885 | *d++ = '\\'; |
| 1886 | *d++ = *s++; |
| 1887 | continue; |
| 1888 | case '0': case '1': case '2': case '3': |
| 1889 | case '4': case '5': case '6': case '7': |
| 1890 | *d = *s++ - '0'; |
| a687059c |
1891 | if (s < send && *s && index("01234567",*s)) { |
| 378cc40b |
1892 | *d <<= 3; |
| 1893 | *d += *s++ - '0'; |
| 1894 | } |
| a687059c |
1895 | if (s < send && *s && index("01234567",*s)) { |
| 378cc40b |
1896 | *d <<= 3; |
| 1897 | *d += *s++ - '0'; |
| 1898 | } |
| 1899 | d++; |
| 1900 | continue; |
| 1901 | case 'b': |
| 1902 | *d++ = '\b'; |
| 1903 | break; |
| 1904 | case 'n': |
| 1905 | *d++ = '\n'; |
| 1906 | break; |
| 1907 | case 'r': |
| 1908 | *d++ = '\r'; |
| 1909 | break; |
| 1910 | case 'f': |
| 1911 | *d++ = '\f'; |
| 1912 | break; |
| 1913 | case 't': |
| 1914 | *d++ = '\t'; |
| 1915 | break; |
| 1916 | } |
| 1917 | s++; |
| 1918 | continue; |
| 1919 | } |
| 1920 | *d++ = *s++; |
| 1921 | } |
| 1922 | *d = '\0'; |
| 1923 | |
| a687059c |
1924 | if ((arg[1].arg_type & A_MASK) == A_DOUBLE && makesingle) |
| 1925 | arg[1].arg_type = A_SINGLE; /* now we can optimize on it */ |
| 1926 | |
| 1927 | tmpstr->str_u.str_hash = curstash; /* so interp knows package */ |
| 378cc40b |
1928 | |
| a687059c |
1929 | tmpstr->str_cur = d - tmpstr->str_ptr; |
| 378cc40b |
1930 | arg[1].arg_ptr.arg_str = tmpstr; |
| 1931 | s = tmps; |
| 1932 | break; |
| 1933 | } |
| 1934 | } |
| a687059c |
1935 | if (hereis) |
| 1936 | str_free(herewas); |
| 378cc40b |
1937 | return s; |
| 1938 | } |
| 1939 | |
| 1940 | FCMD * |
| 1941 | load_format() |
| 1942 | { |
| 1943 | FCMD froot; |
| 1944 | FCMD *flinebeg; |
| 1945 | register FCMD *fprev = &froot; |
| 1946 | register FCMD *fcmd; |
| 1947 | register char *s; |
| 1948 | register char *t; |
| a687059c |
1949 | register STR *str; |
| 378cc40b |
1950 | bool noblank; |
| a687059c |
1951 | bool repeater; |
| 378cc40b |
1952 | |
| a687059c |
1953 | Zero(&froot, 1, FCMD); |
| 1954 | while ((s = str_gets(linestr,rsfp, 0)) != Nullch) { |
| 378cc40b |
1955 | line++; |
| a687059c |
1956 | if (perldb) { |
| 1957 | STR *tmpstr = Str_new(89,0); |
| 1958 | |
| 1959 | str_sset(tmpstr,linestr); |
| 1960 | astore(lineary,(int)line,tmpstr); |
| 1961 | } |
| 1962 | bufend = linestr->str_ptr + linestr->str_cur; |
| 378cc40b |
1963 | if (strEQ(s,".\n")) { |
| 1964 | bufptr = s; |
| 1965 | return froot.f_next; |
| 1966 | } |
| 1967 | if (*s == '#') |
| 1968 | continue; |
| 1969 | flinebeg = Nullfcmd; |
| 1970 | noblank = FALSE; |
| a687059c |
1971 | repeater = FALSE; |
| 1972 | while (s < bufend) { |
| 1973 | Newz(804,fcmd,1,FCMD); |
| 378cc40b |
1974 | fprev->f_next = fcmd; |
| 1975 | fprev = fcmd; |
| a687059c |
1976 | for (t=s; t < bufend && *t != '@' && *t != '^'; t++) { |
| 378cc40b |
1977 | if (*t == '~') { |
| 1978 | noblank = TRUE; |
| 1979 | *t = ' '; |
| a687059c |
1980 | if (t[1] == '~') { |
| 1981 | repeater = TRUE; |
| 1982 | t[1] = ' '; |
| 1983 | } |
| 378cc40b |
1984 | } |
| 1985 | } |
| a687059c |
1986 | fcmd->f_pre = nsavestr(s, t-s); |
| 1987 | fcmd->f_presize = t-s; |
| 378cc40b |
1988 | s = t; |
| a687059c |
1989 | if (s >= bufend) { |
| 378cc40b |
1990 | if (noblank) |
| 1991 | fcmd->f_flags |= FC_NOBLANK; |
| a687059c |
1992 | if (repeater) |
| 1993 | fcmd->f_flags |= FC_REPEAT; |
| 378cc40b |
1994 | break; |
| 1995 | } |
| 1996 | if (!flinebeg) |
| 1997 | flinebeg = fcmd; /* start values here */ |
| 1998 | if (*s++ == '^') |
| 1999 | fcmd->f_flags |= FC_CHOP; /* for doing text filling */ |
| 2000 | switch (*s) { |
| 2001 | case '*': |
| 2002 | fcmd->f_type = F_LINES; |
| 2003 | *s = '\0'; |
| 2004 | break; |
| 2005 | case '<': |
| 2006 | fcmd->f_type = F_LEFT; |
| 2007 | while (*s == '<') |
| 2008 | s++; |
| 2009 | break; |
| 2010 | case '>': |
| 2011 | fcmd->f_type = F_RIGHT; |
| 2012 | while (*s == '>') |
| 2013 | s++; |
| 2014 | break; |
| 2015 | case '|': |
| 2016 | fcmd->f_type = F_CENTER; |
| 2017 | while (*s == '|') |
| 2018 | s++; |
| 2019 | break; |
| 2020 | default: |
| 2021 | fcmd->f_type = F_LEFT; |
| 2022 | break; |
| 2023 | } |
| 2024 | if (fcmd->f_flags & FC_CHOP && *s == '.') { |
| 2025 | fcmd->f_flags |= FC_MORE; |
| 2026 | while (*s == '.') |
| 2027 | s++; |
| 2028 | } |
| 2029 | fcmd->f_size = s-t; |
| 2030 | } |
| 2031 | if (flinebeg) { |
| 2032 | again: |
| a687059c |
2033 | if ((s = str_gets(linestr, rsfp, 0)) == Nullch) |
| 378cc40b |
2034 | goto badform; |
| 2035 | line++; |
| a687059c |
2036 | if (perldb) { |
| 2037 | STR *tmpstr = Str_new(90,0); |
| 2038 | |
| 2039 | str_sset(tmpstr,linestr); |
| 2040 | astore(lineary,(int)line,tmpstr); |
| 2041 | } |
| 2042 | if (strEQ(s,".\n")) { |
| 2043 | bufptr = s; |
| 378cc40b |
2044 | yyerror("Missing values line"); |
| 2045 | return froot.f_next; |
| 2046 | } |
| a687059c |
2047 | if (*s == '#') |
| 378cc40b |
2048 | goto again; |
| a687059c |
2049 | bufend = linestr->str_ptr + linestr->str_cur; |
| 2050 | str = flinebeg->f_unparsed = Str_new(91,bufend - bufptr); |
| 2051 | str->str_u.str_hash = curstash; |
| 2052 | str_nset(str,"(",1); |
| 2053 | flinebeg->f_line = line; |
| 2054 | if (!flinebeg->f_next->f_type || index(linestr->str_ptr, ',')) { |
| 2055 | str_scat(str,linestr); |
| 2056 | str_ncat(str,",$$);",5); |
| 2057 | } |
| 2058 | else { |
| 2059 | while (s < bufend && isspace(*s)) |
| 2060 | s++; |
| 2061 | t = s; |
| 2062 | while (s < bufend) { |
| 2063 | switch (*s) { |
| 2064 | case ' ': case '\t': case '\n': case ';': |
| 2065 | str_ncat(str, t, s - t); |
| 2066 | str_ncat(str, "," ,1); |
| 2067 | while (s < bufend && (isspace(*s) || *s == ';')) |
| 2068 | s++; |
| 2069 | t = s; |
| 2070 | break; |
| 2071 | case '$': |
| 2072 | str_ncat(str, t, s - t); |
| 2073 | t = s; |
| 2074 | s = scanreg(s,bufend,tokenbuf); |
| 2075 | str_ncat(str, t, s - t); |
| 2076 | t = s; |
| 2077 | if (s < bufend && *s && index("$'\"",*s)) |
| 2078 | str_ncat(str, ",", 1); |
| 2079 | break; |
| 2080 | case '"': case '\'': |
| 2081 | str_ncat(str, t, s - t); |
| 2082 | t = s; |
| 2083 | s++; |
| 2084 | while (s < bufend && (*s != *t || s[-1] == '\\')) |
| 2085 | s++; |
| 2086 | if (s < bufend) |
| 2087 | s++; |
| 2088 | str_ncat(str, t, s - t); |
| 2089 | t = s; |
| 2090 | if (s < bufend && *s && index("$'\"",*s)) |
| 2091 | str_ncat(str, ",", 1); |
| 2092 | break; |
| 2093 | default: |
| 2094 | yyerror("Please use commas to separate fields"); |
| 378cc40b |
2095 | } |
| 378cc40b |
2096 | } |
| a687059c |
2097 | str_ncat(str,"$$);",4); |
| 378cc40b |
2098 | } |
| 378cc40b |
2099 | } |
| 2100 | } |
| 2101 | badform: |
| 2102 | bufptr = str_get(linestr); |
| 2103 | yyerror("Format not terminated"); |
| 2104 | return froot.f_next; |
| 2105 | } |
| a687059c |
2106 | |
| 2107 | set_csh() |
| 2108 | { |
| ae986130 |
2109 | #ifdef CSH |
| 2110 | if (!cshlen) |
| 2111 | cshlen = strlen(cshname); |
| 2112 | #endif |
| a687059c |
2113 | } |
projects / p5sagit/p5-mst-13.2.git / blame