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79072805 |
1 | /* $RCSfile: a2py.c,v $$Revision: 4.1 $$Date: 92/08/07 18:29:14 $ |
a687059c |
2 | * |
9607fc9c |
3 | * Copyright (c) 1991-1997, Larry Wall |
a687059c |
4 | * |
2b317908 |
5 | * You may distribute under the terms of either the GNU General Public |
6 | * License or the Artistic License, as specified in the README file. |
8d063cd8 |
7 | * |
8 | * $Log: a2py.c,v $ |
8d063cd8 |
9 | */ |
10 | |
bf10efe7 |
11 | #ifdef OS2 |
12 | #include "../patchlevel.h" |
39c3038c |
13 | #endif |
8d063cd8 |
14 | #include "util.h" |
8d063cd8 |
15 | |
16 | char *filename; |
39c3038c |
17 | char *myname; |
8d063cd8 |
18 | |
378cc40b |
19 | int checkers = 0; |
748a9306 |
20 | |
21 | int oper0(); |
22 | int oper1(); |
23 | int oper2(); |
24 | int oper3(); |
25 | int oper4(); |
26 | int oper5(); |
a687059c |
27 | STR *walk(); |
378cc40b |
28 | |
bf10efe7 |
29 | #ifdef OS2 |
9607fc9c |
30 | static void |
39c3038c |
31 | usage() |
32 | { |
a0d0e21e |
33 | printf("\nThis is the AWK to PERL translator, version 5.0, patchlevel %d\n", PATCHLEVEL); |
39c3038c |
34 | printf("\nUsage: %s [-D<number>] [-F<char>] [-n<fieldlist>] [-<number>] filename\n", myname); |
35 | printf("\n -D<number> sets debugging flags." |
36 | "\n -F<character> the awk script to translate is always invoked with" |
37 | "\n this -F switch." |
38 | "\n -n<fieldlist> specifies the names of the input fields if input does" |
39 | "\n not have to be split into an array." |
40 | "\n -<number> causes a2p to assume that input will always have that" |
41 | "\n many fields.\n"); |
42 | exit(1); |
43 | } |
44 | #endif |
9607fc9c |
45 | |
46 | int |
8d063cd8 |
47 | main(argc,argv,env) |
48 | register int argc; |
49 | register char **argv; |
50 | register char **env; |
51 | { |
52 | register STR *str; |
8d063cd8 |
53 | int i; |
8d063cd8 |
54 | STR *tmpstr; |
55 | |
39c3038c |
56 | myname = argv[0]; |
8d063cd8 |
57 | linestr = str_new(80); |
58 | str = str_new(0); /* first used for -I flags */ |
59 | for (argc--,argv++; argc; argc--,argv++) { |
60 | if (argv[0][0] != '-' || !argv[0][1]) |
61 | break; |
62 | reswitch: |
63 | switch (argv[0][1]) { |
64 | #ifdef DEBUGGING |
65 | case 'D': |
66 | debug = atoi(argv[0]+2); |
67 | #ifdef YYDEBUG |
68 | yydebug = (debug & 1); |
69 | #endif |
70 | break; |
71 | #endif |
72 | case '0': case '1': case '2': case '3': case '4': |
73 | case '5': case '6': case '7': case '8': case '9': |
74 | maxfld = atoi(argv[0]+1); |
75 | absmaxfld = TRUE; |
76 | break; |
77 | case 'F': |
78 | fswitch = argv[0][2]; |
79 | break; |
80 | case 'n': |
81 | namelist = savestr(argv[0]+2); |
82 | break; |
a5571d59 |
83 | case 'o': |
84 | old_awk = TRUE; |
85 | break; |
8d063cd8 |
86 | case '-': |
87 | argc--,argv++; |
88 | goto switch_end; |
89 | case 0: |
90 | break; |
91 | default: |
92 | fatal("Unrecognized switch: %s\n",argv[0]); |
bf10efe7 |
93 | #ifdef OS2 |
39c3038c |
94 | usage(); |
95 | #endif |
8d063cd8 |
96 | } |
97 | } |
98 | switch_end: |
99 | |
100 | /* open script */ |
101 | |
39c3038c |
102 | if (argv[0] == Nullch) { |
bf10efe7 |
103 | #ifdef OS2 |
39c3038c |
104 | if ( isatty(fileno(stdin)) ) |
105 | usage(); |
106 | #endif |
107 | argv[0] = "-"; |
108 | } |
109 | filename = savestr(argv[0]); |
110 | |
8d063cd8 |
111 | filename = savestr(argv[0]); |
112 | if (strEQ(filename,"-")) |
113 | argv[0] = ""; |
114 | if (!*argv[0]) |
115 | rsfp = stdin; |
116 | else |
117 | rsfp = fopen(argv[0],"r"); |
118 | if (rsfp == Nullfp) |
119 | fatal("Awk script \"%s\" doesn't seem to exist.\n",filename); |
120 | |
121 | /* init tokener */ |
122 | |
123 | bufptr = str_get(linestr); |
124 | symtab = hnew(); |
a687059c |
125 | curarghash = hnew(); |
8d063cd8 |
126 | |
127 | /* now parse the report spec */ |
128 | |
129 | if (yyparse()) |
130 | fatal("Translation aborted due to syntax errors.\n"); |
131 | |
132 | #ifdef DEBUGGING |
133 | if (debug & 2) { |
134 | int type, len; |
135 | |
136 | for (i=1; i<mop;) { |
137 | type = ops[i].ival; |
138 | len = type >> 8; |
139 | type &= 255; |
140 | printf("%d\t%d\t%d\t%-10s",i++,type,len,opname[type]); |
141 | if (type == OSTRING) |
142 | printf("\t\"%s\"\n",ops[i].cval),i++; |
143 | else { |
144 | while (len--) { |
145 | printf("\t%d",ops[i].ival),i++; |
146 | } |
147 | putchar('\n'); |
148 | } |
149 | } |
150 | } |
151 | if (debug & 8) |
152 | dump(root); |
153 | #endif |
154 | |
155 | /* first pass to look for numeric variables */ |
156 | |
157 | prewalk(0,0,root,&i); |
158 | |
159 | /* second pass to produce new program */ |
160 | |
a687059c |
161 | tmpstr = walk(0,0,root,&i,P_MIN); |
207d4cd0 |
162 | str = str_make(STARTPERL); |
5f05dabc |
163 | str_cat(str, "\neval 'exec "); |
164 | str_cat(str, BIN); |
165 | str_cat(str, "/perl -S $0 ${1+\"$@\"}'\n\ |
378cc40b |
166 | if $running_under_some_shell;\n\ |
167 | # this emulates #! processing on NIH machines.\n\ |
168 | # (remove #! line above if indigestible)\n\n"); |
a559c259 |
169 | str_cat(str, |
a0d0e21e |
170 | "eval '$'.$1.'$2;' while $ARGV[0] =~ /^([A-Za-z_0-9]+=)(.*)/ && shift;\n"); |
a559c259 |
171 | str_cat(str, |
172 | " # process any FOO=bar switches\n\n"); |
8d063cd8 |
173 | if (do_opens && opens) { |
174 | str_scat(str,opens); |
175 | str_free(opens); |
176 | str_cat(str,"\n"); |
177 | } |
178 | str_scat(str,tmpstr); |
179 | str_free(tmpstr); |
180 | #ifdef DEBUGGING |
181 | if (!(debug & 16)) |
182 | #endif |
183 | fixup(str); |
184 | putlines(str); |
378cc40b |
185 | if (checkers) { |
186 | fprintf(stderr, |
187 | "Please check my work on the %d line%s I've marked with \"#???\".\n", |
188 | checkers, checkers == 1 ? "" : "s" ); |
189 | fprintf(stderr, |
190 | "The operation I've selected may be wrong for the operand types.\n"); |
191 | } |
8d063cd8 |
192 | exit(0); |
193 | } |
194 | |
195 | #define RETURN(retval) return (bufptr = s,retval) |
196 | #define XTERM(retval) return (expectterm = TRUE,bufptr = s,retval) |
197 | #define XOP(retval) return (expectterm = FALSE,bufptr = s,retval) |
a687059c |
198 | #define ID(x) return (yylval=string(x,0),expectterm = FALSE,bufptr = s,idtype) |
199 | |
200 | int idtype; |
8d063cd8 |
201 | |
748a9306 |
202 | int |
8d063cd8 |
203 | yylex() |
204 | { |
205 | register char *s = bufptr; |
206 | register char *d; |
207 | register int tmp; |
208 | |
209 | retry: |
210 | #ifdef YYDEBUG |
211 | if (yydebug) |
a0d0e21e |
212 | if (strchr(s,'\n')) |
8d063cd8 |
213 | fprintf(stderr,"Tokener at %s",s); |
214 | else |
215 | fprintf(stderr,"Tokener at %s\n",s); |
216 | #endif |
217 | switch (*s) { |
218 | default: |
219 | fprintf(stderr, |
220 | "Unrecognized character %c in file %s line %d--ignoring.\n", |
221 | *s++,filename,line); |
222 | goto retry; |
223 | case '\\': |
bf10efe7 |
224 | s++; |
225 | if (*s && *s != '\n') { |
226 | yyerror("Ignoring spurious backslash"); |
227 | goto retry; |
228 | } |
229 | /*FALLSTHROUGH*/ |
8d063cd8 |
230 | case 0: |
231 | s = str_get(linestr); |
232 | *s = '\0'; |
233 | if (!rsfp) |
234 | RETURN(0); |
235 | line++; |
236 | if ((s = str_gets(linestr, rsfp)) == Nullch) { |
237 | if (rsfp != stdin) |
238 | fclose(rsfp); |
239 | rsfp = Nullfp; |
240 | s = str_get(linestr); |
241 | RETURN(0); |
242 | } |
243 | goto retry; |
244 | case ' ': case '\t': |
245 | s++; |
246 | goto retry; |
247 | case '\n': |
248 | *s = '\0'; |
249 | XTERM(NEWLINE); |
250 | case '#': |
251 | yylval = string(s,0); |
252 | *s = '\0'; |
253 | XTERM(COMMENT); |
254 | case ';': |
255 | tmp = *s++; |
256 | if (*s == '\n') { |
257 | s++; |
258 | XTERM(SEMINEW); |
259 | } |
260 | XTERM(tmp); |
261 | case '(': |
a687059c |
262 | tmp = *s++; |
263 | XTERM(tmp); |
8d063cd8 |
264 | case '{': |
265 | case '[': |
266 | case ')': |
267 | case ']': |
a687059c |
268 | case '?': |
269 | case ':': |
8d063cd8 |
270 | tmp = *s++; |
271 | XOP(tmp); |
272 | case 127: |
273 | s++; |
274 | XTERM('}'); |
275 | case '}': |
276 | for (d = s + 1; isspace(*d); d++) ; |
277 | if (!*d) |
278 | s = d - 1; |
279 | *s = 127; |
280 | XTERM(';'); |
281 | case ',': |
282 | tmp = *s++; |
283 | XTERM(tmp); |
284 | case '~': |
285 | s++; |
378cc40b |
286 | yylval = string("~",1); |
8d063cd8 |
287 | XTERM(MATCHOP); |
288 | case '+': |
289 | case '-': |
290 | if (s[1] == *s) { |
291 | s++; |
292 | if (*s++ == '+') |
293 | XTERM(INCR); |
294 | else |
295 | XTERM(DECR); |
296 | } |
297 | /* FALL THROUGH */ |
298 | case '*': |
299 | case '%': |
a687059c |
300 | case '^': |
8d063cd8 |
301 | tmp = *s++; |
302 | if (*s == '=') { |
a687059c |
303 | if (tmp == '^') |
304 | yylval = string("**=",3); |
305 | else |
306 | yylval = string(s-1,2); |
8d063cd8 |
307 | s++; |
308 | XTERM(ASGNOP); |
309 | } |
310 | XTERM(tmp); |
311 | case '&': |
312 | s++; |
313 | tmp = *s++; |
314 | if (tmp == '&') |
315 | XTERM(ANDAND); |
316 | s--; |
317 | XTERM('&'); |
318 | case '|': |
319 | s++; |
320 | tmp = *s++; |
321 | if (tmp == '|') |
322 | XTERM(OROR); |
323 | s--; |
a687059c |
324 | while (*s == ' ' || *s == '\t') |
325 | s++; |
326 | if (strnEQ(s,"getline",7)) |
327 | XTERM('p'); |
328 | else |
329 | XTERM('|'); |
8d063cd8 |
330 | case '=': |
331 | s++; |
332 | tmp = *s++; |
333 | if (tmp == '=') { |
334 | yylval = string("==",2); |
335 | XTERM(RELOP); |
336 | } |
337 | s--; |
338 | yylval = string("=",1); |
339 | XTERM(ASGNOP); |
340 | case '!': |
341 | s++; |
342 | tmp = *s++; |
343 | if (tmp == '=') { |
344 | yylval = string("!=",2); |
345 | XTERM(RELOP); |
346 | } |
347 | if (tmp == '~') { |
348 | yylval = string("!~",2); |
349 | XTERM(MATCHOP); |
350 | } |
351 | s--; |
352 | XTERM(NOT); |
353 | case '<': |
354 | s++; |
355 | tmp = *s++; |
356 | if (tmp == '=') { |
357 | yylval = string("<=",2); |
358 | XTERM(RELOP); |
359 | } |
360 | s--; |
a687059c |
361 | XTERM('<'); |
8d063cd8 |
362 | case '>': |
363 | s++; |
364 | tmp = *s++; |
378cc40b |
365 | if (tmp == '>') { |
366 | yylval = string(">>",2); |
367 | XTERM(GRGR); |
368 | } |
8d063cd8 |
369 | if (tmp == '=') { |
370 | yylval = string(">=",2); |
371 | XTERM(RELOP); |
372 | } |
373 | s--; |
a687059c |
374 | XTERM('>'); |
8d063cd8 |
375 | |
376 | #define SNARFWORD \ |
377 | d = tokenbuf; \ |
378 | while (isalpha(*s) || isdigit(*s) || *s == '_') \ |
379 | *d++ = *s++; \ |
380 | *d = '\0'; \ |
a687059c |
381 | d = tokenbuf; \ |
382 | if (*s == '(') \ |
383 | idtype = USERFUN; \ |
384 | else \ |
385 | idtype = VAR; |
8d063cd8 |
386 | |
387 | case '$': |
388 | s++; |
389 | if (*s == '0') { |
390 | s++; |
391 | do_chop = TRUE; |
392 | need_entire = TRUE; |
a687059c |
393 | idtype = VAR; |
8d063cd8 |
394 | ID("0"); |
395 | } |
396 | do_split = TRUE; |
397 | if (isdigit(*s)) { |
398 | for (d = s; isdigit(*s); s++) ; |
399 | yylval = string(d,s-d); |
400 | tmp = atoi(d); |
401 | if (tmp > maxfld) |
402 | maxfld = tmp; |
403 | XOP(FIELD); |
404 | } |
405 | split_to_array = set_array_base = TRUE; |
406 | XOP(VFIELD); |
407 | |
408 | case '/': /* may either be division or pattern */ |
409 | if (expectterm) { |
410 | s = scanpat(s); |
411 | XTERM(REGEX); |
412 | } |
413 | tmp = *s++; |
414 | if (*s == '=') { |
415 | yylval = string("/=",2); |
416 | s++; |
417 | XTERM(ASGNOP); |
418 | } |
419 | XTERM(tmp); |
420 | |
421 | case '0': case '1': case '2': case '3': case '4': |
a687059c |
422 | case '5': case '6': case '7': case '8': case '9': case '.': |
8d063cd8 |
423 | s = scannum(s); |
424 | XOP(NUMBER); |
425 | case '"': |
426 | s++; |
427 | s = cpy2(tokenbuf,s,s[-1]); |
428 | if (!*s) |
429 | fatal("String not terminated:\n%s",str_get(linestr)); |
430 | s++; |
431 | yylval = string(tokenbuf,0); |
432 | XOP(STRING); |
433 | |
434 | case 'a': case 'A': |
435 | SNARFWORD; |
a687059c |
436 | if (strEQ(d,"ARGC")) |
437 | set_array_base = TRUE; |
438 | if (strEQ(d,"ARGV")) { |
439 | yylval=numary(string("ARGV",0)); |
440 | XOP(VAR); |
441 | } |
442 | if (strEQ(d,"atan2")) { |
443 | yylval = OATAN2; |
444 | XTERM(FUNN); |
445 | } |
8d063cd8 |
446 | ID(d); |
447 | case 'b': case 'B': |
448 | SNARFWORD; |
449 | if (strEQ(d,"break")) |
450 | XTERM(BREAK); |
451 | if (strEQ(d,"BEGIN")) |
452 | XTERM(BEGIN); |
453 | ID(d); |
454 | case 'c': case 'C': |
455 | SNARFWORD; |
456 | if (strEQ(d,"continue")) |
457 | XTERM(CONTINUE); |
a687059c |
458 | if (strEQ(d,"cos")) { |
459 | yylval = OCOS; |
460 | XTERM(FUN1); |
461 | } |
462 | if (strEQ(d,"close")) { |
463 | do_fancy_opens = 1; |
464 | yylval = OCLOSE; |
465 | XTERM(FUN1); |
466 | } |
467 | if (strEQ(d,"chdir")) |
468 | *d = toupper(*d); |
469 | else if (strEQ(d,"crypt")) |
470 | *d = toupper(*d); |
471 | else if (strEQ(d,"chop")) |
472 | *d = toupper(*d); |
473 | else if (strEQ(d,"chmod")) |
474 | *d = toupper(*d); |
475 | else if (strEQ(d,"chown")) |
476 | *d = toupper(*d); |
8d063cd8 |
477 | ID(d); |
478 | case 'd': case 'D': |
479 | SNARFWORD; |
a687059c |
480 | if (strEQ(d,"do")) |
481 | XTERM(DO); |
482 | if (strEQ(d,"delete")) |
483 | XTERM(DELETE); |
484 | if (strEQ(d,"die")) |
485 | *d = toupper(*d); |
8d063cd8 |
486 | ID(d); |
487 | case 'e': case 'E': |
488 | SNARFWORD; |
489 | if (strEQ(d,"END")) |
490 | XTERM(END); |
491 | if (strEQ(d,"else")) |
492 | XTERM(ELSE); |
493 | if (strEQ(d,"exit")) { |
494 | saw_line_op = TRUE; |
495 | XTERM(EXIT); |
496 | } |
497 | if (strEQ(d,"exp")) { |
498 | yylval = OEXP; |
499 | XTERM(FUN1); |
500 | } |
a687059c |
501 | if (strEQ(d,"elsif")) |
502 | *d = toupper(*d); |
503 | else if (strEQ(d,"eq")) |
504 | *d = toupper(*d); |
505 | else if (strEQ(d,"eval")) |
506 | *d = toupper(*d); |
507 | else if (strEQ(d,"eof")) |
508 | *d = toupper(*d); |
509 | else if (strEQ(d,"each")) |
510 | *d = toupper(*d); |
511 | else if (strEQ(d,"exec")) |
512 | *d = toupper(*d); |
8d063cd8 |
513 | ID(d); |
514 | case 'f': case 'F': |
515 | SNARFWORD; |
516 | if (strEQ(d,"FS")) { |
517 | saw_FS++; |
518 | if (saw_FS == 1 && in_begin) { |
519 | for (d = s; *d && isspace(*d); d++) ; |
520 | if (*d == '=') { |
521 | for (d++; *d && isspace(*d); d++) ; |
522 | if (*d == '"' && d[2] == '"') |
523 | const_FS = d[1]; |
524 | } |
525 | } |
526 | ID(tokenbuf); |
527 | } |
8d063cd8 |
528 | if (strEQ(d,"for")) |
529 | XTERM(FOR); |
a687059c |
530 | else if (strEQ(d,"function")) |
531 | XTERM(FUNCTION); |
532 | if (strEQ(d,"FILENAME")) |
533 | d = "ARGV"; |
534 | if (strEQ(d,"foreach")) |
535 | *d = toupper(*d); |
536 | else if (strEQ(d,"format")) |
537 | *d = toupper(*d); |
538 | else if (strEQ(d,"fork")) |
539 | *d = toupper(*d); |
540 | else if (strEQ(d,"fh")) |
541 | *d = toupper(*d); |
8d063cd8 |
542 | ID(d); |
543 | case 'g': case 'G': |
544 | SNARFWORD; |
545 | if (strEQ(d,"getline")) |
546 | XTERM(GETLINE); |
a687059c |
547 | if (strEQ(d,"gsub")) |
548 | XTERM(GSUB); |
549 | if (strEQ(d,"ge")) |
550 | *d = toupper(*d); |
551 | else if (strEQ(d,"gt")) |
552 | *d = toupper(*d); |
553 | else if (strEQ(d,"goto")) |
554 | *d = toupper(*d); |
555 | else if (strEQ(d,"gmtime")) |
556 | *d = toupper(*d); |
8d063cd8 |
557 | ID(d); |
558 | case 'h': case 'H': |
559 | SNARFWORD; |
a687059c |
560 | if (strEQ(d,"hex")) |
561 | *d = toupper(*d); |
8d063cd8 |
562 | ID(d); |
563 | case 'i': case 'I': |
564 | SNARFWORD; |
565 | if (strEQ(d,"if")) |
566 | XTERM(IF); |
567 | if (strEQ(d,"in")) |
568 | XTERM(IN); |
569 | if (strEQ(d,"index")) { |
570 | set_array_base = TRUE; |
571 | XTERM(INDEX); |
572 | } |
573 | if (strEQ(d,"int")) { |
574 | yylval = OINT; |
575 | XTERM(FUN1); |
576 | } |
577 | ID(d); |
578 | case 'j': case 'J': |
579 | SNARFWORD; |
a687059c |
580 | if (strEQ(d,"join")) |
581 | *d = toupper(*d); |
8d063cd8 |
582 | ID(d); |
583 | case 'k': case 'K': |
584 | SNARFWORD; |
a687059c |
585 | if (strEQ(d,"keys")) |
586 | *d = toupper(*d); |
587 | else if (strEQ(d,"kill")) |
588 | *d = toupper(*d); |
8d063cd8 |
589 | ID(d); |
590 | case 'l': case 'L': |
591 | SNARFWORD; |
592 | if (strEQ(d,"length")) { |
593 | yylval = OLENGTH; |
594 | XTERM(FUN1); |
595 | } |
596 | if (strEQ(d,"log")) { |
597 | yylval = OLOG; |
598 | XTERM(FUN1); |
599 | } |
a687059c |
600 | if (strEQ(d,"last")) |
601 | *d = toupper(*d); |
602 | else if (strEQ(d,"local")) |
603 | *d = toupper(*d); |
604 | else if (strEQ(d,"lt")) |
605 | *d = toupper(*d); |
606 | else if (strEQ(d,"le")) |
607 | *d = toupper(*d); |
608 | else if (strEQ(d,"locatime")) |
609 | *d = toupper(*d); |
610 | else if (strEQ(d,"link")) |
611 | *d = toupper(*d); |
8d063cd8 |
612 | ID(d); |
613 | case 'm': case 'M': |
614 | SNARFWORD; |
a687059c |
615 | if (strEQ(d,"match")) { |
616 | set_array_base = TRUE; |
617 | XTERM(MATCH); |
618 | } |
619 | if (strEQ(d,"m")) |
620 | *d = toupper(*d); |
8d063cd8 |
621 | ID(d); |
622 | case 'n': case 'N': |
623 | SNARFWORD; |
624 | if (strEQ(d,"NF")) |
87250799 |
625 | do_chop = do_split = split_to_array = set_array_base = TRUE; |
8d063cd8 |
626 | if (strEQ(d,"next")) { |
627 | saw_line_op = TRUE; |
628 | XTERM(NEXT); |
629 | } |
a687059c |
630 | if (strEQ(d,"ne")) |
631 | *d = toupper(*d); |
8d063cd8 |
632 | ID(d); |
633 | case 'o': case 'O': |
634 | SNARFWORD; |
635 | if (strEQ(d,"ORS")) { |
636 | saw_ORS = TRUE; |
a687059c |
637 | d = "\\"; |
8d063cd8 |
638 | } |
639 | if (strEQ(d,"OFS")) { |
640 | saw_OFS = TRUE; |
a687059c |
641 | d = ","; |
8d063cd8 |
642 | } |
643 | if (strEQ(d,"OFMT")) { |
a687059c |
644 | d = "#"; |
8d063cd8 |
645 | } |
a687059c |
646 | if (strEQ(d,"open")) |
647 | *d = toupper(*d); |
648 | else if (strEQ(d,"ord")) |
649 | *d = toupper(*d); |
650 | else if (strEQ(d,"oct")) |
651 | *d = toupper(*d); |
8d063cd8 |
652 | ID(d); |
653 | case 'p': case 'P': |
654 | SNARFWORD; |
655 | if (strEQ(d,"print")) { |
656 | XTERM(PRINT); |
657 | } |
658 | if (strEQ(d,"printf")) { |
659 | XTERM(PRINTF); |
660 | } |
a687059c |
661 | if (strEQ(d,"push")) |
662 | *d = toupper(*d); |
663 | else if (strEQ(d,"pop")) |
664 | *d = toupper(*d); |
8d063cd8 |
665 | ID(d); |
666 | case 'q': case 'Q': |
667 | SNARFWORD; |
668 | ID(d); |
669 | case 'r': case 'R': |
670 | SNARFWORD; |
671 | if (strEQ(d,"RS")) { |
a687059c |
672 | d = "/"; |
8d063cd8 |
673 | saw_RS = TRUE; |
674 | } |
a687059c |
675 | if (strEQ(d,"rand")) { |
676 | yylval = ORAND; |
677 | XTERM(FUN1); |
678 | } |
679 | if (strEQ(d,"return")) |
680 | XTERM(RET); |
681 | if (strEQ(d,"reset")) |
682 | *d = toupper(*d); |
683 | else if (strEQ(d,"redo")) |
684 | *d = toupper(*d); |
685 | else if (strEQ(d,"rename")) |
686 | *d = toupper(*d); |
8d063cd8 |
687 | ID(d); |
688 | case 's': case 'S': |
689 | SNARFWORD; |
690 | if (strEQ(d,"split")) { |
691 | set_array_base = TRUE; |
692 | XOP(SPLIT); |
693 | } |
694 | if (strEQ(d,"substr")) { |
695 | set_array_base = TRUE; |
696 | XTERM(SUBSTR); |
697 | } |
a687059c |
698 | if (strEQ(d,"sub")) |
699 | XTERM(SUB); |
8d063cd8 |
700 | if (strEQ(d,"sprintf")) |
701 | XTERM(SPRINTF); |
702 | if (strEQ(d,"sqrt")) { |
703 | yylval = OSQRT; |
704 | XTERM(FUN1); |
705 | } |
a687059c |
706 | if (strEQ(d,"SUBSEP")) { |
707 | d = ";"; |
708 | } |
709 | if (strEQ(d,"sin")) { |
710 | yylval = OSIN; |
711 | XTERM(FUN1); |
712 | } |
713 | if (strEQ(d,"srand")) { |
714 | yylval = OSRAND; |
715 | XTERM(FUN1); |
716 | } |
717 | if (strEQ(d,"system")) { |
718 | yylval = OSYSTEM; |
719 | XTERM(FUN1); |
720 | } |
721 | if (strEQ(d,"s")) |
722 | *d = toupper(*d); |
723 | else if (strEQ(d,"shift")) |
724 | *d = toupper(*d); |
725 | else if (strEQ(d,"select")) |
726 | *d = toupper(*d); |
727 | else if (strEQ(d,"seek")) |
728 | *d = toupper(*d); |
729 | else if (strEQ(d,"stat")) |
730 | *d = toupper(*d); |
731 | else if (strEQ(d,"study")) |
732 | *d = toupper(*d); |
733 | else if (strEQ(d,"sleep")) |
734 | *d = toupper(*d); |
735 | else if (strEQ(d,"symlink")) |
736 | *d = toupper(*d); |
737 | else if (strEQ(d,"sort")) |
738 | *d = toupper(*d); |
8d063cd8 |
739 | ID(d); |
740 | case 't': case 'T': |
741 | SNARFWORD; |
a687059c |
742 | if (strEQ(d,"tr")) |
743 | *d = toupper(*d); |
744 | else if (strEQ(d,"tell")) |
745 | *d = toupper(*d); |
746 | else if (strEQ(d,"time")) |
747 | *d = toupper(*d); |
748 | else if (strEQ(d,"times")) |
749 | *d = toupper(*d); |
8d063cd8 |
750 | ID(d); |
751 | case 'u': case 'U': |
752 | SNARFWORD; |
a687059c |
753 | if (strEQ(d,"until")) |
754 | *d = toupper(*d); |
755 | else if (strEQ(d,"unless")) |
756 | *d = toupper(*d); |
757 | else if (strEQ(d,"umask")) |
758 | *d = toupper(*d); |
759 | else if (strEQ(d,"unshift")) |
760 | *d = toupper(*d); |
761 | else if (strEQ(d,"unlink")) |
762 | *d = toupper(*d); |
763 | else if (strEQ(d,"utime")) |
764 | *d = toupper(*d); |
8d063cd8 |
765 | ID(d); |
766 | case 'v': case 'V': |
767 | SNARFWORD; |
a687059c |
768 | if (strEQ(d,"values")) |
769 | *d = toupper(*d); |
8d063cd8 |
770 | ID(d); |
771 | case 'w': case 'W': |
772 | SNARFWORD; |
773 | if (strEQ(d,"while")) |
774 | XTERM(WHILE); |
a687059c |
775 | if (strEQ(d,"write")) |
776 | *d = toupper(*d); |
777 | else if (strEQ(d,"wait")) |
778 | *d = toupper(*d); |
8d063cd8 |
779 | ID(d); |
780 | case 'x': case 'X': |
781 | SNARFWORD; |
a687059c |
782 | if (strEQ(d,"x")) |
783 | *d = toupper(*d); |
8d063cd8 |
784 | ID(d); |
785 | case 'y': case 'Y': |
786 | SNARFWORD; |
a687059c |
787 | if (strEQ(d,"y")) |
788 | *d = toupper(*d); |
8d063cd8 |
789 | ID(d); |
790 | case 'z': case 'Z': |
791 | SNARFWORD; |
792 | ID(d); |
793 | } |
794 | } |
795 | |
796 | char * |
797 | scanpat(s) |
798 | register char *s; |
799 | { |
800 | register char *d; |
801 | |
802 | switch (*s++) { |
803 | case '/': |
804 | break; |
805 | default: |
806 | fatal("Search pattern not found:\n%s",str_get(linestr)); |
807 | } |
378cc40b |
808 | |
809 | d = tokenbuf; |
810 | for (; *s; s++,d++) { |
811 | if (*s == '\\') { |
812 | if (s[1] == '/') |
813 | *d++ = *s++; |
814 | else if (s[1] == '\\') |
815 | *d++ = *s++; |
bf10efe7 |
816 | else if (s[1] == '[') |
817 | *d++ = *s++; |
378cc40b |
818 | } |
819 | else if (*s == '[') { |
820 | *d++ = *s++; |
821 | do { |
822 | if (*s == '\\' && s[1]) |
823 | *d++ = *s++; |
824 | if (*s == '/' || (*s == '-' && s[1] == ']')) |
825 | *d++ = '\\'; |
826 | *d++ = *s++; |
827 | } while (*s && *s != ']'); |
828 | } |
829 | else if (*s == '/') |
830 | break; |
831 | *d = *s; |
832 | } |
833 | *d = '\0'; |
834 | |
8d063cd8 |
835 | if (!*s) |
836 | fatal("Search pattern not terminated:\n%s",str_get(linestr)); |
837 | s++; |
838 | yylval = string(tokenbuf,0); |
839 | return s; |
840 | } |
841 | |
75f92628 |
842 | void |
8d063cd8 |
843 | yyerror(s) |
844 | char *s; |
845 | { |
846 | fprintf(stderr,"%s in file %s at line %d\n", |
847 | s,filename,line); |
848 | } |
849 | |
850 | char * |
851 | scannum(s) |
852 | register char *s; |
853 | { |
854 | register char *d; |
855 | |
856 | switch (*s) { |
857 | case '1': case '2': case '3': case '4': case '5': |
858 | case '6': case '7': case '8': case '9': case '0' : case '.': |
859 | d = tokenbuf; |
378cc40b |
860 | while (isdigit(*s)) { |
8d063cd8 |
861 | *d++ = *s++; |
378cc40b |
862 | } |
bf10efe7 |
863 | if (*s == '.') { |
864 | if (isdigit(s[1])) { |
378cc40b |
865 | *d++ = *s++; |
bf10efe7 |
866 | while (isdigit(*s)) { |
867 | *d++ = *s++; |
868 | } |
378cc40b |
869 | } |
bf10efe7 |
870 | else |
871 | s++; |
378cc40b |
872 | } |
a0d0e21e |
873 | if (strchr("eE",*s) && strchr("+-0123456789",s[1])) { |
8d063cd8 |
874 | *d++ = *s++; |
378cc40b |
875 | if (*s == '+' || *s == '-') |
876 | *d++ = *s++; |
877 | while (isdigit(*s)) |
878 | *d++ = *s++; |
879 | } |
8d063cd8 |
880 | *d = '\0'; |
881 | yylval = string(tokenbuf,0); |
882 | break; |
883 | } |
884 | return s; |
885 | } |
886 | |
748a9306 |
887 | int |
8d063cd8 |
888 | string(ptr,len) |
889 | char *ptr; |
748a9306 |
890 | int len; |
8d063cd8 |
891 | { |
892 | int retval = mop; |
893 | |
894 | ops[mop++].ival = OSTRING + (1<<8); |
895 | if (!len) |
896 | len = strlen(ptr); |
897 | ops[mop].cval = safemalloc(len+1); |
898 | strncpy(ops[mop].cval,ptr,len); |
899 | ops[mop++].cval[len] = '\0'; |
a687059c |
900 | if (mop >= OPSMAX) |
901 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
902 | return retval; |
903 | } |
904 | |
748a9306 |
905 | int |
8d063cd8 |
906 | oper0(type) |
907 | int type; |
908 | { |
909 | int retval = mop; |
910 | |
911 | if (type > 255) |
912 | fatal("type > 255 (%d)\n",type); |
913 | ops[mop++].ival = type; |
a687059c |
914 | if (mop >= OPSMAX) |
915 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
916 | return retval; |
917 | } |
918 | |
748a9306 |
919 | int |
8d063cd8 |
920 | oper1(type,arg1) |
921 | int type; |
922 | int arg1; |
923 | { |
924 | int retval = mop; |
925 | |
926 | if (type > 255) |
927 | fatal("type > 255 (%d)\n",type); |
928 | ops[mop++].ival = type + (1<<8); |
929 | ops[mop++].ival = arg1; |
a687059c |
930 | if (mop >= OPSMAX) |
931 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
932 | return retval; |
933 | } |
934 | |
748a9306 |
935 | int |
8d063cd8 |
936 | oper2(type,arg1,arg2) |
937 | int type; |
938 | int arg1; |
939 | int arg2; |
940 | { |
941 | int retval = mop; |
942 | |
943 | if (type > 255) |
944 | fatal("type > 255 (%d)\n",type); |
945 | ops[mop++].ival = type + (2<<8); |
946 | ops[mop++].ival = arg1; |
947 | ops[mop++].ival = arg2; |
a687059c |
948 | if (mop >= OPSMAX) |
949 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
950 | return retval; |
951 | } |
952 | |
748a9306 |
953 | int |
8d063cd8 |
954 | oper3(type,arg1,arg2,arg3) |
955 | int type; |
956 | int arg1; |
957 | int arg2; |
958 | int arg3; |
959 | { |
960 | int retval = mop; |
961 | |
962 | if (type > 255) |
963 | fatal("type > 255 (%d)\n",type); |
964 | ops[mop++].ival = type + (3<<8); |
965 | ops[mop++].ival = arg1; |
966 | ops[mop++].ival = arg2; |
967 | ops[mop++].ival = arg3; |
a687059c |
968 | if (mop >= OPSMAX) |
969 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
970 | return retval; |
971 | } |
972 | |
748a9306 |
973 | int |
8d063cd8 |
974 | oper4(type,arg1,arg2,arg3,arg4) |
975 | int type; |
976 | int arg1; |
977 | int arg2; |
978 | int arg3; |
979 | int arg4; |
980 | { |
981 | int retval = mop; |
982 | |
983 | if (type > 255) |
984 | fatal("type > 255 (%d)\n",type); |
985 | ops[mop++].ival = type + (4<<8); |
986 | ops[mop++].ival = arg1; |
987 | ops[mop++].ival = arg2; |
988 | ops[mop++].ival = arg3; |
989 | ops[mop++].ival = arg4; |
a687059c |
990 | if (mop >= OPSMAX) |
991 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
992 | return retval; |
993 | } |
994 | |
748a9306 |
995 | int |
8d063cd8 |
996 | oper5(type,arg1,arg2,arg3,arg4,arg5) |
997 | int type; |
998 | int arg1; |
999 | int arg2; |
1000 | int arg3; |
1001 | int arg4; |
1002 | int arg5; |
1003 | { |
1004 | int retval = mop; |
1005 | |
1006 | if (type > 255) |
1007 | fatal("type > 255 (%d)\n",type); |
1008 | ops[mop++].ival = type + (5<<8); |
1009 | ops[mop++].ival = arg1; |
1010 | ops[mop++].ival = arg2; |
1011 | ops[mop++].ival = arg3; |
1012 | ops[mop++].ival = arg4; |
1013 | ops[mop++].ival = arg5; |
a687059c |
1014 | if (mop >= OPSMAX) |
1015 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
1016 | return retval; |
1017 | } |
1018 | |
1019 | int depth = 0; |
1020 | |
75f92628 |
1021 | void |
8d063cd8 |
1022 | dump(branch) |
1023 | int branch; |
1024 | { |
1025 | register int type; |
1026 | register int len; |
1027 | register int i; |
1028 | |
1029 | type = ops[branch].ival; |
1030 | len = type >> 8; |
1031 | type &= 255; |
1032 | for (i=depth; i; i--) |
1033 | printf(" "); |
1034 | if (type == OSTRING) { |
1035 | printf("%-5d\"%s\"\n",branch,ops[branch+1].cval); |
1036 | } |
1037 | else { |
1038 | printf("(%-5d%s %d\n",branch,opname[type],len); |
1039 | depth++; |
1040 | for (i=1; i<=len; i++) |
1041 | dump(ops[branch+i].ival); |
1042 | depth--; |
1043 | for (i=depth; i; i--) |
1044 | printf(" "); |
1045 | printf(")\n"); |
1046 | } |
1047 | } |
1048 | |
748a9306 |
1049 | int |
8d063cd8 |
1050 | bl(arg,maybe) |
1051 | int arg; |
1052 | int maybe; |
1053 | { |
1054 | if (!arg) |
1055 | return 0; |
1056 | else if ((ops[arg].ival & 255) != OBLOCK) |
1057 | return oper2(OBLOCK,arg,maybe); |
378cc40b |
1058 | else if ((ops[arg].ival >> 8) < 2) |
8d063cd8 |
1059 | return oper2(OBLOCK,ops[arg+1].ival,maybe); |
1060 | else |
1061 | return arg; |
1062 | } |
1063 | |
75f92628 |
1064 | void |
8d063cd8 |
1065 | fixup(str) |
1066 | STR *str; |
1067 | { |
1068 | register char *s; |
1069 | register char *t; |
1070 | |
1071 | for (s = str->str_ptr; *s; s++) { |
1072 | if (*s == ';' && s[1] == ' ' && s[2] == '\n') { |
1073 | strcpy(s+1,s+2); |
1074 | s++; |
1075 | } |
1076 | else if (*s == '\n') { |
1077 | for (t = s+1; isspace(*t & 127); t++) ; |
1078 | t--; |
1079 | while (isspace(*t & 127) && *t != '\n') t--; |
1080 | if (*t == '\n' && t-s > 1) { |
1081 | if (s[-1] == '{') |
1082 | s--; |
1083 | strcpy(s+1,t); |
1084 | } |
1085 | s++; |
1086 | } |
1087 | } |
1088 | } |
1089 | |
75f92628 |
1090 | void |
8d063cd8 |
1091 | putlines(str) |
1092 | STR *str; |
1093 | { |
1094 | register char *d, *s, *t, *e; |
1095 | register int pos, newpos; |
1096 | |
1097 | d = tokenbuf; |
1098 | pos = 0; |
1099 | for (s = str->str_ptr; *s; s++) { |
1100 | *d++ = *s; |
1101 | pos++; |
1102 | if (*s == '\n') { |
1103 | *d = '\0'; |
1104 | d = tokenbuf; |
1105 | pos = 0; |
1106 | putone(); |
1107 | } |
1108 | else if (*s == '\t') |
1109 | pos += 7; |
1110 | if (pos > 78) { /* split a long line? */ |
1111 | *d-- = '\0'; |
1112 | newpos = 0; |
1113 | for (t = tokenbuf; isspace(*t & 127); t++) { |
1114 | if (*t == '\t') |
1115 | newpos += 8; |
1116 | else |
1117 | newpos += 1; |
1118 | } |
1119 | e = d; |
1120 | while (d > tokenbuf && (*d != ' ' || d[-1] != ';')) |
1121 | d--; |
1122 | if (d < t+10) { |
1123 | d = e; |
1124 | while (d > tokenbuf && |
1125 | (*d != ' ' || d[-1] != '|' || d[-2] != '|') ) |
1126 | d--; |
1127 | } |
1128 | if (d < t+10) { |
1129 | d = e; |
1130 | while (d > tokenbuf && |
1131 | (*d != ' ' || d[-1] != '&' || d[-2] != '&') ) |
1132 | d--; |
1133 | } |
1134 | if (d < t+10) { |
1135 | d = e; |
1136 | while (d > tokenbuf && (*d != ' ' || d[-1] != ',')) |
1137 | d--; |
1138 | } |
1139 | if (d < t+10) { |
1140 | d = e; |
1141 | while (d > tokenbuf && *d != ' ') |
1142 | d--; |
1143 | } |
1144 | if (d > t+3) { |
fe14fcc3 |
1145 | char save[2048]; |
1146 | strcpy(save, d); |
1147 | *d = '\n'; |
1148 | d[1] = '\0'; |
8d063cd8 |
1149 | putone(); |
1150 | putchar('\n'); |
1151 | if (d[-1] != ';' && !(newpos % 4)) { |
1152 | *t++ = ' '; |
1153 | *t++ = ' '; |
1154 | newpos += 2; |
1155 | } |
fe14fcc3 |
1156 | strcpy(t,save+1); |
8d063cd8 |
1157 | newpos += strlen(t); |
1158 | d = t + strlen(t); |
1159 | pos = newpos; |
1160 | } |
1161 | else |
1162 | d = e + 1; |
1163 | } |
1164 | } |
1165 | } |
1166 | |
75f92628 |
1167 | void |
8d063cd8 |
1168 | putone() |
1169 | { |
1170 | register char *t; |
1171 | |
1172 | for (t = tokenbuf; *t; t++) { |
1173 | *t &= 127; |
1174 | if (*t == 127) { |
1175 | *t = ' '; |
1176 | strcpy(t+strlen(t)-1, "\t#???\n"); |
378cc40b |
1177 | checkers++; |
8d063cd8 |
1178 | } |
1179 | } |
1180 | t = tokenbuf; |
1181 | if (*t == '#') { |
1182 | if (strnEQ(t,"#!/bin/awk",10) || strnEQ(t,"#! /bin/awk",11)) |
1183 | return; |
378cc40b |
1184 | if (strnEQ(t,"#!/usr/bin/awk",14) || strnEQ(t,"#! /usr/bin/awk",15)) |
1185 | return; |
8d063cd8 |
1186 | } |
1187 | fputs(tokenbuf,stdout); |
1188 | } |
1189 | |
748a9306 |
1190 | int |
8d063cd8 |
1191 | numary(arg) |
1192 | int arg; |
1193 | { |
1194 | STR *key; |
1195 | int dummy; |
1196 | |
a687059c |
1197 | key = walk(0,0,arg,&dummy,P_MIN); |
8d063cd8 |
1198 | str_cat(key,"[]"); |
1199 | hstore(symtab,key->str_ptr,str_make("1")); |
1200 | str_free(key); |
1201 | set_array_base = TRUE; |
1202 | return arg; |
1203 | } |
a687059c |
1204 | |
748a9306 |
1205 | int |
a687059c |
1206 | rememberargs(arg) |
1207 | int arg; |
1208 | { |
1209 | int type; |
1210 | STR *str; |
1211 | |
1212 | if (!arg) |
1213 | return arg; |
1214 | type = ops[arg].ival & 255; |
1215 | if (type == OCOMMA) { |
1216 | rememberargs(ops[arg+1].ival); |
1217 | rememberargs(ops[arg+3].ival); |
1218 | } |
1219 | else if (type == OVAR) { |
1220 | str = str_new(0); |
1221 | hstore(curarghash,ops[ops[arg+1].ival+1].cval,str); |
1222 | } |
1223 | else |
1224 | fatal("panic: unknown argument type %d, line %d\n",type,line); |
1225 | return arg; |
1226 | } |
1227 | |
748a9306 |
1228 | int |
a687059c |
1229 | aryrefarg(arg) |
1230 | int arg; |
1231 | { |
1232 | int type = ops[arg].ival & 255; |
1233 | STR *str; |
1234 | |
1235 | if (type != OSTRING) |
1236 | fatal("panic: aryrefarg %d, line %d\n",type,line); |
1237 | str = hfetch(curarghash,ops[arg+1].cval); |
1238 | if (str) |
1239 | str_set(str,"*"); |
1240 | return arg; |
1241 | } |
1242 | |
748a9306 |
1243 | int |
a687059c |
1244 | fixfargs(name,arg,prevargs) |
1245 | int name; |
1246 | int arg; |
1247 | int prevargs; |
1248 | { |
1249 | int type; |
1250 | STR *str; |
1251 | int numargs; |
1252 | |
1253 | if (!arg) |
1254 | return prevargs; |
1255 | type = ops[arg].ival & 255; |
1256 | if (type == OCOMMA) { |
1257 | numargs = fixfargs(name,ops[arg+1].ival,prevargs); |
1258 | numargs = fixfargs(name,ops[arg+3].ival,numargs); |
1259 | } |
1260 | else if (type == OVAR) { |
1261 | str = hfetch(curarghash,ops[ops[arg+1].ival+1].cval); |
1262 | if (strEQ(str_get(str),"*")) { |
1263 | char tmpbuf[128]; |
1264 | |
1265 | str_set(str,""); /* in case another routine has this */ |
1266 | ops[arg].ival &= ~255; |
1267 | ops[arg].ival |= OSTAR; |
1268 | sprintf(tmpbuf,"%s:%d",ops[name+1].cval,prevargs); |
1269 | fprintf(stderr,"Adding %s\n",tmpbuf); |
1270 | str = str_new(0); |
1271 | str_set(str,"*"); |
1272 | hstore(curarghash,tmpbuf,str); |
1273 | } |
1274 | numargs = prevargs + 1; |
1275 | } |
1276 | else |
1277 | fatal("panic: unknown argument type %d, arg %d, line %d\n", |
39c3038c |
1278 | type,prevargs+1,line); |
a687059c |
1279 | return numargs; |
1280 | } |
1281 | |
748a9306 |
1282 | int |
a687059c |
1283 | fixrargs(name,arg,prevargs) |
1284 | char *name; |
1285 | int arg; |
1286 | int prevargs; |
1287 | { |
1288 | int type; |
1289 | STR *str; |
1290 | int numargs; |
1291 | |
1292 | if (!arg) |
1293 | return prevargs; |
1294 | type = ops[arg].ival & 255; |
1295 | if (type == OCOMMA) { |
1296 | numargs = fixrargs(name,ops[arg+1].ival,prevargs); |
1297 | numargs = fixrargs(name,ops[arg+3].ival,numargs); |
1298 | } |
1299 | else { |
1300 | char tmpbuf[128]; |
1301 | |
1302 | sprintf(tmpbuf,"%s:%d",name,prevargs); |
1303 | str = hfetch(curarghash,tmpbuf); |
a687059c |
1304 | if (str && strEQ(str->str_ptr,"*")) { |
1305 | if (type == OVAR || type == OSTAR) { |
1306 | ops[arg].ival &= ~255; |
1307 | ops[arg].ival |= OSTAR; |
1308 | } |
1309 | else |
1310 | fatal("Can't pass expression by reference as arg %d of %s\n", |
1311 | prevargs+1, name); |
1312 | } |
1313 | numargs = prevargs + 1; |
1314 | } |
1315 | return numargs; |
1316 | } |