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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 | |
2986a63f |
11 | #if defined(OS2) || defined(WIN32) || defined(NETWARE) |
2c5424a7 |
12 | #if defined(WIN32) |
13 | #include <io.h> |
14 | #endif |
2986a63f |
15 | #if defined(NETWARE) |
16 | #include "../netware/clibstuf.h" |
17 | #endif |
bf10efe7 |
18 | #include "../patchlevel.h" |
39c3038c |
19 | #endif |
8d063cd8 |
20 | #include "util.h" |
8d063cd8 |
21 | |
22 | char *filename; |
39c3038c |
23 | char *myname; |
8d063cd8 |
24 | |
378cc40b |
25 | int checkers = 0; |
748a9306 |
26 | |
f0f333f4 |
27 | int oper0(int type); |
28 | int oper1(int type, int arg1); |
29 | int oper2(int type, int arg1, int arg2); |
30 | int oper3(int type, int arg1, int arg2, int arg3); |
31 | int oper4(int type, int arg1, int arg2, int arg3, int arg4); |
32 | int oper5(int type, int arg1, int arg2, int arg3, int arg4, int arg5); |
33 | STR *walk(int useval, int level, register int node, int *numericptr, int minprec); |
378cc40b |
34 | |
2986a63f |
35 | #if defined(OS2) || defined(WIN32) || defined(NETWARE) |
d07c2202 |
36 | static void usage(void); |
37 | |
9607fc9c |
38 | static void |
39c3038c |
39 | usage() |
40 | { |
cceca5ed |
41 | printf("\nThis is the AWK to PERL translator, revision %d.0, version %d\n", PERL_REVISION, PERL_VERSION); |
39c3038c |
42 | printf("\nUsage: %s [-D<number>] [-F<char>] [-n<fieldlist>] [-<number>] filename\n", myname); |
43 | printf("\n -D<number> sets debugging flags." |
44 | "\n -F<character> the awk script to translate is always invoked with" |
45 | "\n this -F switch." |
46 | "\n -n<fieldlist> specifies the names of the input fields if input does" |
47 | "\n not have to be split into an array." |
48 | "\n -<number> causes a2p to assume that input will always have that" |
49 | "\n many fields.\n"); |
50 | exit(1); |
51 | } |
52 | #endif |
9607fc9c |
53 | |
54 | int |
f0f333f4 |
55 | main(register int argc, register char **argv, register char **env) |
8d063cd8 |
56 | { |
57 | register STR *str; |
8d063cd8 |
58 | int i; |
8d063cd8 |
59 | STR *tmpstr; |
60 | |
2986a63f |
61 | #ifdef NETWARE |
62 | fnInitGpfGlobals(); // For importing the CLIB calls in place of Watcom calls |
63 | #endif /* NETWARE */ |
64 | |
39c3038c |
65 | myname = argv[0]; |
8d063cd8 |
66 | linestr = str_new(80); |
67 | str = str_new(0); /* first used for -I flags */ |
68 | for (argc--,argv++; argc; argc--,argv++) { |
69 | if (argv[0][0] != '-' || !argv[0][1]) |
70 | break; |
8d063cd8 |
71 | switch (argv[0][1]) { |
72 | #ifdef DEBUGGING |
73 | case 'D': |
74 | debug = atoi(argv[0]+2); |
9d116dd7 |
75 | #if YYDEBUG |
8d063cd8 |
76 | yydebug = (debug & 1); |
77 | #endif |
78 | break; |
79 | #endif |
80 | case '0': case '1': case '2': case '3': case '4': |
81 | case '5': case '6': case '7': case '8': case '9': |
82 | maxfld = atoi(argv[0]+1); |
83 | absmaxfld = TRUE; |
84 | break; |
85 | case 'F': |
86 | fswitch = argv[0][2]; |
87 | break; |
88 | case 'n': |
89 | namelist = savestr(argv[0]+2); |
90 | break; |
a5571d59 |
91 | case 'o': |
92 | old_awk = TRUE; |
93 | break; |
8d063cd8 |
94 | case '-': |
95 | argc--,argv++; |
96 | goto switch_end; |
97 | case 0: |
98 | break; |
99 | default: |
2986a63f |
100 | #if defined(OS2) || defined(WIN32) || defined(NETWARE) |
d07c2202 |
101 | fprintf(stderr, "Unrecognized switch: %s\n",argv[0]); |
39c3038c |
102 | usage(); |
d07c2202 |
103 | #else |
104 | fatal("Unrecognized switch: %s\n",argv[0]); |
39c3038c |
105 | #endif |
8d063cd8 |
106 | } |
107 | } |
108 | switch_end: |
109 | |
110 | /* open script */ |
111 | |
39c3038c |
112 | if (argv[0] == Nullch) { |
2986a63f |
113 | #if defined(OS2) || defined(WIN32) || defined(NETWARE) |
39c3038c |
114 | if ( isatty(fileno(stdin)) ) |
115 | usage(); |
116 | #endif |
117 | argv[0] = "-"; |
118 | } |
119 | filename = savestr(argv[0]); |
120 | |
8d063cd8 |
121 | filename = savestr(argv[0]); |
122 | if (strEQ(filename,"-")) |
123 | argv[0] = ""; |
124 | if (!*argv[0]) |
125 | rsfp = stdin; |
126 | else |
127 | rsfp = fopen(argv[0],"r"); |
128 | if (rsfp == Nullfp) |
129 | fatal("Awk script \"%s\" doesn't seem to exist.\n",filename); |
130 | |
131 | /* init tokener */ |
132 | |
133 | bufptr = str_get(linestr); |
134 | symtab = hnew(); |
a687059c |
135 | curarghash = hnew(); |
8d063cd8 |
136 | |
137 | /* now parse the report spec */ |
138 | |
139 | if (yyparse()) |
140 | fatal("Translation aborted due to syntax errors.\n"); |
141 | |
142 | #ifdef DEBUGGING |
143 | if (debug & 2) { |
144 | int type, len; |
145 | |
146 | for (i=1; i<mop;) { |
147 | type = ops[i].ival; |
148 | len = type >> 8; |
149 | type &= 255; |
150 | printf("%d\t%d\t%d\t%-10s",i++,type,len,opname[type]); |
151 | if (type == OSTRING) |
152 | printf("\t\"%s\"\n",ops[i].cval),i++; |
153 | else { |
154 | while (len--) { |
155 | printf("\t%d",ops[i].ival),i++; |
156 | } |
157 | putchar('\n'); |
158 | } |
159 | } |
160 | } |
161 | if (debug & 8) |
162 | dump(root); |
163 | #endif |
164 | |
165 | /* first pass to look for numeric variables */ |
166 | |
167 | prewalk(0,0,root,&i); |
168 | |
169 | /* second pass to produce new program */ |
170 | |
a687059c |
171 | tmpstr = walk(0,0,root,&i,P_MIN); |
207d4cd0 |
172 | str = str_make(STARTPERL); |
5f05dabc |
173 | str_cat(str, "\neval 'exec "); |
174 | str_cat(str, BIN); |
175 | str_cat(str, "/perl -S $0 ${1+\"$@\"}'\n\ |
378cc40b |
176 | if $running_under_some_shell;\n\ |
177 | # this emulates #! processing on NIH machines.\n\ |
178 | # (remove #! line above if indigestible)\n\n"); |
a559c259 |
179 | str_cat(str, |
a0d0e21e |
180 | "eval '$'.$1.'$2;' while $ARGV[0] =~ /^([A-Za-z_0-9]+=)(.*)/ && shift;\n"); |
a559c259 |
181 | str_cat(str, |
182 | " # process any FOO=bar switches\n\n"); |
8d063cd8 |
183 | if (do_opens && opens) { |
184 | str_scat(str,opens); |
185 | str_free(opens); |
186 | str_cat(str,"\n"); |
187 | } |
188 | str_scat(str,tmpstr); |
189 | str_free(tmpstr); |
190 | #ifdef DEBUGGING |
191 | if (!(debug & 16)) |
192 | #endif |
193 | fixup(str); |
194 | putlines(str); |
378cc40b |
195 | if (checkers) { |
196 | fprintf(stderr, |
197 | "Please check my work on the %d line%s I've marked with \"#???\".\n", |
198 | checkers, checkers == 1 ? "" : "s" ); |
199 | fprintf(stderr, |
200 | "The operation I've selected may be wrong for the operand types.\n"); |
201 | } |
8d063cd8 |
202 | exit(0); |
203 | } |
204 | |
205 | #define RETURN(retval) return (bufptr = s,retval) |
206 | #define XTERM(retval) return (expectterm = TRUE,bufptr = s,retval) |
207 | #define XOP(retval) return (expectterm = FALSE,bufptr = s,retval) |
a687059c |
208 | #define ID(x) return (yylval=string(x,0),expectterm = FALSE,bufptr = s,idtype) |
209 | |
210 | int idtype; |
8d063cd8 |
211 | |
748a9306 |
212 | int |
f0f333f4 |
213 | yylex(void) |
8d063cd8 |
214 | { |
215 | register char *s = bufptr; |
216 | register char *d; |
217 | register int tmp; |
218 | |
219 | retry: |
9d116dd7 |
220 | #if YYDEBUG |
b7953727 |
221 | if (yydebug) { |
a0d0e21e |
222 | if (strchr(s,'\n')) |
8d063cd8 |
223 | fprintf(stderr,"Tokener at %s",s); |
224 | else |
225 | fprintf(stderr,"Tokener at %s\n",s); |
b7953727 |
226 | } |
8d063cd8 |
227 | #endif |
228 | switch (*s) { |
229 | default: |
230 | fprintf(stderr, |
231 | "Unrecognized character %c in file %s line %d--ignoring.\n", |
232 | *s++,filename,line); |
233 | goto retry; |
234 | case '\\': |
bf10efe7 |
235 | s++; |
236 | if (*s && *s != '\n') { |
237 | yyerror("Ignoring spurious backslash"); |
238 | goto retry; |
239 | } |
240 | /*FALLSTHROUGH*/ |
8d063cd8 |
241 | case 0: |
242 | s = str_get(linestr); |
243 | *s = '\0'; |
244 | if (!rsfp) |
245 | RETURN(0); |
246 | line++; |
247 | if ((s = str_gets(linestr, rsfp)) == Nullch) { |
248 | if (rsfp != stdin) |
249 | fclose(rsfp); |
250 | rsfp = Nullfp; |
251 | s = str_get(linestr); |
252 | RETURN(0); |
253 | } |
254 | goto retry; |
255 | case ' ': case '\t': |
256 | s++; |
257 | goto retry; |
258 | case '\n': |
259 | *s = '\0'; |
260 | XTERM(NEWLINE); |
261 | case '#': |
262 | yylval = string(s,0); |
263 | *s = '\0'; |
264 | XTERM(COMMENT); |
265 | case ';': |
266 | tmp = *s++; |
267 | if (*s == '\n') { |
268 | s++; |
269 | XTERM(SEMINEW); |
270 | } |
271 | XTERM(tmp); |
272 | case '(': |
a687059c |
273 | tmp = *s++; |
274 | XTERM(tmp); |
8d063cd8 |
275 | case '{': |
276 | case '[': |
277 | case ')': |
278 | case ']': |
a687059c |
279 | case '?': |
280 | case ':': |
8d063cd8 |
281 | tmp = *s++; |
282 | XOP(tmp); |
9d116dd7 |
283 | #ifdef EBCDIC |
284 | case 7: |
285 | #else |
8d063cd8 |
286 | case 127: |
9d116dd7 |
287 | #endif |
8d063cd8 |
288 | s++; |
289 | XTERM('}'); |
290 | case '}': |
3f939f22 |
291 | for (d = s + 1; isSPACE(*d); d++) ; |
8d063cd8 |
292 | if (!*d) |
293 | s = d - 1; |
294 | *s = 127; |
295 | XTERM(';'); |
296 | case ',': |
297 | tmp = *s++; |
298 | XTERM(tmp); |
299 | case '~': |
300 | s++; |
378cc40b |
301 | yylval = string("~",1); |
8d063cd8 |
302 | XTERM(MATCHOP); |
303 | case '+': |
304 | case '-': |
305 | if (s[1] == *s) { |
306 | s++; |
307 | if (*s++ == '+') |
308 | XTERM(INCR); |
309 | else |
310 | XTERM(DECR); |
311 | } |
312 | /* FALL THROUGH */ |
313 | case '*': |
314 | case '%': |
a687059c |
315 | case '^': |
8d063cd8 |
316 | tmp = *s++; |
317 | if (*s == '=') { |
a687059c |
318 | if (tmp == '^') |
319 | yylval = string("**=",3); |
320 | else |
321 | yylval = string(s-1,2); |
8d063cd8 |
322 | s++; |
323 | XTERM(ASGNOP); |
324 | } |
325 | XTERM(tmp); |
326 | case '&': |
327 | s++; |
328 | tmp = *s++; |
329 | if (tmp == '&') |
330 | XTERM(ANDAND); |
331 | s--; |
332 | XTERM('&'); |
333 | case '|': |
334 | s++; |
335 | tmp = *s++; |
336 | if (tmp == '|') |
337 | XTERM(OROR); |
338 | s--; |
a687059c |
339 | while (*s == ' ' || *s == '\t') |
340 | s++; |
341 | if (strnEQ(s,"getline",7)) |
342 | XTERM('p'); |
343 | else |
344 | XTERM('|'); |
8d063cd8 |
345 | case '=': |
346 | s++; |
347 | tmp = *s++; |
348 | if (tmp == '=') { |
349 | yylval = string("==",2); |
350 | XTERM(RELOP); |
351 | } |
352 | s--; |
353 | yylval = string("=",1); |
354 | XTERM(ASGNOP); |
355 | case '!': |
356 | s++; |
357 | tmp = *s++; |
358 | if (tmp == '=') { |
359 | yylval = string("!=",2); |
360 | XTERM(RELOP); |
361 | } |
362 | if (tmp == '~') { |
363 | yylval = string("!~",2); |
364 | XTERM(MATCHOP); |
365 | } |
366 | s--; |
367 | XTERM(NOT); |
368 | case '<': |
369 | s++; |
370 | tmp = *s++; |
371 | if (tmp == '=') { |
372 | yylval = string("<=",2); |
373 | XTERM(RELOP); |
374 | } |
375 | s--; |
a687059c |
376 | XTERM('<'); |
8d063cd8 |
377 | case '>': |
378 | s++; |
379 | tmp = *s++; |
378cc40b |
380 | if (tmp == '>') { |
381 | yylval = string(">>",2); |
382 | XTERM(GRGR); |
383 | } |
8d063cd8 |
384 | if (tmp == '=') { |
385 | yylval = string(">=",2); |
386 | XTERM(RELOP); |
387 | } |
388 | s--; |
a687059c |
389 | XTERM('>'); |
8d063cd8 |
390 | |
391 | #define SNARFWORD \ |
392 | d = tokenbuf; \ |
3f939f22 |
393 | while (isALPHA(*s) || isDIGIT(*s) || *s == '_') \ |
8d063cd8 |
394 | *d++ = *s++; \ |
395 | *d = '\0'; \ |
a687059c |
396 | d = tokenbuf; \ |
397 | if (*s == '(') \ |
398 | idtype = USERFUN; \ |
399 | else \ |
400 | idtype = VAR; |
8d063cd8 |
401 | |
402 | case '$': |
403 | s++; |
404 | if (*s == '0') { |
405 | s++; |
406 | do_chop = TRUE; |
407 | need_entire = TRUE; |
a687059c |
408 | idtype = VAR; |
8d063cd8 |
409 | ID("0"); |
410 | } |
411 | do_split = TRUE; |
3f939f22 |
412 | if (isDIGIT(*s)) { |
413 | for (d = s; isDIGIT(*s); s++) ; |
8d063cd8 |
414 | yylval = string(d,s-d); |
415 | tmp = atoi(d); |
416 | if (tmp > maxfld) |
417 | maxfld = tmp; |
418 | XOP(FIELD); |
419 | } |
420 | split_to_array = set_array_base = TRUE; |
421 | XOP(VFIELD); |
422 | |
423 | case '/': /* may either be division or pattern */ |
424 | if (expectterm) { |
425 | s = scanpat(s); |
426 | XTERM(REGEX); |
427 | } |
428 | tmp = *s++; |
429 | if (*s == '=') { |
430 | yylval = string("/=",2); |
431 | s++; |
432 | XTERM(ASGNOP); |
433 | } |
434 | XTERM(tmp); |
435 | |
436 | case '0': case '1': case '2': case '3': case '4': |
a687059c |
437 | case '5': case '6': case '7': case '8': case '9': case '.': |
8d063cd8 |
438 | s = scannum(s); |
439 | XOP(NUMBER); |
440 | case '"': |
441 | s++; |
442 | s = cpy2(tokenbuf,s,s[-1]); |
443 | if (!*s) |
444 | fatal("String not terminated:\n%s",str_get(linestr)); |
445 | s++; |
446 | yylval = string(tokenbuf,0); |
447 | XOP(STRING); |
448 | |
449 | case 'a': case 'A': |
450 | SNARFWORD; |
a687059c |
451 | if (strEQ(d,"ARGC")) |
452 | set_array_base = TRUE; |
453 | if (strEQ(d,"ARGV")) { |
454 | yylval=numary(string("ARGV",0)); |
455 | XOP(VAR); |
456 | } |
457 | if (strEQ(d,"atan2")) { |
458 | yylval = OATAN2; |
459 | XTERM(FUNN); |
460 | } |
8d063cd8 |
461 | ID(d); |
462 | case 'b': case 'B': |
463 | SNARFWORD; |
464 | if (strEQ(d,"break")) |
465 | XTERM(BREAK); |
466 | if (strEQ(d,"BEGIN")) |
467 | XTERM(BEGIN); |
468 | ID(d); |
469 | case 'c': case 'C': |
470 | SNARFWORD; |
471 | if (strEQ(d,"continue")) |
472 | XTERM(CONTINUE); |
a687059c |
473 | if (strEQ(d,"cos")) { |
474 | yylval = OCOS; |
475 | XTERM(FUN1); |
476 | } |
477 | if (strEQ(d,"close")) { |
478 | do_fancy_opens = 1; |
479 | yylval = OCLOSE; |
480 | XTERM(FUN1); |
481 | } |
482 | if (strEQ(d,"chdir")) |
3f939f22 |
483 | *d = toUPPER(*d); |
a687059c |
484 | else if (strEQ(d,"crypt")) |
3f939f22 |
485 | *d = toUPPER(*d); |
a687059c |
486 | else if (strEQ(d,"chop")) |
3f939f22 |
487 | *d = toUPPER(*d); |
a687059c |
488 | else if (strEQ(d,"chmod")) |
3f939f22 |
489 | *d = toUPPER(*d); |
a687059c |
490 | else if (strEQ(d,"chown")) |
3f939f22 |
491 | *d = toUPPER(*d); |
8d063cd8 |
492 | ID(d); |
493 | case 'd': case 'D': |
494 | SNARFWORD; |
a687059c |
495 | if (strEQ(d,"do")) |
496 | XTERM(DO); |
497 | if (strEQ(d,"delete")) |
498 | XTERM(DELETE); |
499 | if (strEQ(d,"die")) |
3f939f22 |
500 | *d = toUPPER(*d); |
8d063cd8 |
501 | ID(d); |
502 | case 'e': case 'E': |
503 | SNARFWORD; |
504 | if (strEQ(d,"END")) |
505 | XTERM(END); |
506 | if (strEQ(d,"else")) |
507 | XTERM(ELSE); |
508 | if (strEQ(d,"exit")) { |
509 | saw_line_op = TRUE; |
510 | XTERM(EXIT); |
511 | } |
512 | if (strEQ(d,"exp")) { |
513 | yylval = OEXP; |
514 | XTERM(FUN1); |
515 | } |
a687059c |
516 | if (strEQ(d,"elsif")) |
3f939f22 |
517 | *d = toUPPER(*d); |
a687059c |
518 | else if (strEQ(d,"eq")) |
3f939f22 |
519 | *d = toUPPER(*d); |
a687059c |
520 | else if (strEQ(d,"eval")) |
3f939f22 |
521 | *d = toUPPER(*d); |
a687059c |
522 | else if (strEQ(d,"eof")) |
3f939f22 |
523 | *d = toUPPER(*d); |
a687059c |
524 | else if (strEQ(d,"each")) |
3f939f22 |
525 | *d = toUPPER(*d); |
a687059c |
526 | else if (strEQ(d,"exec")) |
3f939f22 |
527 | *d = toUPPER(*d); |
8d063cd8 |
528 | ID(d); |
529 | case 'f': case 'F': |
530 | SNARFWORD; |
531 | if (strEQ(d,"FS")) { |
532 | saw_FS++; |
533 | if (saw_FS == 1 && in_begin) { |
3f939f22 |
534 | for (d = s; *d && isSPACE(*d); d++) ; |
8d063cd8 |
535 | if (*d == '=') { |
3f939f22 |
536 | for (d++; *d && isSPACE(*d); d++) ; |
8d063cd8 |
537 | if (*d == '"' && d[2] == '"') |
538 | const_FS = d[1]; |
539 | } |
540 | } |
541 | ID(tokenbuf); |
542 | } |
8d063cd8 |
543 | if (strEQ(d,"for")) |
544 | XTERM(FOR); |
a687059c |
545 | else if (strEQ(d,"function")) |
546 | XTERM(FUNCTION); |
547 | if (strEQ(d,"FILENAME")) |
548 | d = "ARGV"; |
549 | if (strEQ(d,"foreach")) |
3f939f22 |
550 | *d = toUPPER(*d); |
a687059c |
551 | else if (strEQ(d,"format")) |
3f939f22 |
552 | *d = toUPPER(*d); |
a687059c |
553 | else if (strEQ(d,"fork")) |
3f939f22 |
554 | *d = toUPPER(*d); |
a687059c |
555 | else if (strEQ(d,"fh")) |
3f939f22 |
556 | *d = toUPPER(*d); |
8d063cd8 |
557 | ID(d); |
558 | case 'g': case 'G': |
559 | SNARFWORD; |
560 | if (strEQ(d,"getline")) |
561 | XTERM(GETLINE); |
a687059c |
562 | if (strEQ(d,"gsub")) |
563 | XTERM(GSUB); |
564 | if (strEQ(d,"ge")) |
3f939f22 |
565 | *d = toUPPER(*d); |
a687059c |
566 | else if (strEQ(d,"gt")) |
3f939f22 |
567 | *d = toUPPER(*d); |
a687059c |
568 | else if (strEQ(d,"goto")) |
3f939f22 |
569 | *d = toUPPER(*d); |
a687059c |
570 | else if (strEQ(d,"gmtime")) |
3f939f22 |
571 | *d = toUPPER(*d); |
8d063cd8 |
572 | ID(d); |
573 | case 'h': case 'H': |
574 | SNARFWORD; |
a687059c |
575 | if (strEQ(d,"hex")) |
3f939f22 |
576 | *d = toUPPER(*d); |
8d063cd8 |
577 | ID(d); |
578 | case 'i': case 'I': |
579 | SNARFWORD; |
580 | if (strEQ(d,"if")) |
581 | XTERM(IF); |
582 | if (strEQ(d,"in")) |
583 | XTERM(IN); |
584 | if (strEQ(d,"index")) { |
585 | set_array_base = TRUE; |
586 | XTERM(INDEX); |
587 | } |
588 | if (strEQ(d,"int")) { |
589 | yylval = OINT; |
590 | XTERM(FUN1); |
591 | } |
592 | ID(d); |
593 | case 'j': case 'J': |
594 | SNARFWORD; |
a687059c |
595 | if (strEQ(d,"join")) |
3f939f22 |
596 | *d = toUPPER(*d); |
8d063cd8 |
597 | ID(d); |
598 | case 'k': case 'K': |
599 | SNARFWORD; |
a687059c |
600 | if (strEQ(d,"keys")) |
3f939f22 |
601 | *d = toUPPER(*d); |
a687059c |
602 | else if (strEQ(d,"kill")) |
3f939f22 |
603 | *d = toUPPER(*d); |
8d063cd8 |
604 | ID(d); |
605 | case 'l': case 'L': |
606 | SNARFWORD; |
607 | if (strEQ(d,"length")) { |
608 | yylval = OLENGTH; |
609 | XTERM(FUN1); |
610 | } |
611 | if (strEQ(d,"log")) { |
612 | yylval = OLOG; |
613 | XTERM(FUN1); |
614 | } |
a687059c |
615 | if (strEQ(d,"last")) |
3f939f22 |
616 | *d = toUPPER(*d); |
a687059c |
617 | else if (strEQ(d,"local")) |
3f939f22 |
618 | *d = toUPPER(*d); |
a687059c |
619 | else if (strEQ(d,"lt")) |
3f939f22 |
620 | *d = toUPPER(*d); |
a687059c |
621 | else if (strEQ(d,"le")) |
3f939f22 |
622 | *d = toUPPER(*d); |
a687059c |
623 | else if (strEQ(d,"locatime")) |
3f939f22 |
624 | *d = toUPPER(*d); |
a687059c |
625 | else if (strEQ(d,"link")) |
3f939f22 |
626 | *d = toUPPER(*d); |
8d063cd8 |
627 | ID(d); |
628 | case 'm': case 'M': |
629 | SNARFWORD; |
a687059c |
630 | if (strEQ(d,"match")) { |
631 | set_array_base = TRUE; |
632 | XTERM(MATCH); |
633 | } |
634 | if (strEQ(d,"m")) |
3f939f22 |
635 | *d = toUPPER(*d); |
8d063cd8 |
636 | ID(d); |
637 | case 'n': case 'N': |
638 | SNARFWORD; |
639 | if (strEQ(d,"NF")) |
87250799 |
640 | do_chop = do_split = split_to_array = set_array_base = TRUE; |
8d063cd8 |
641 | if (strEQ(d,"next")) { |
642 | saw_line_op = TRUE; |
643 | XTERM(NEXT); |
644 | } |
a687059c |
645 | if (strEQ(d,"ne")) |
3f939f22 |
646 | *d = toUPPER(*d); |
8d063cd8 |
647 | ID(d); |
648 | case 'o': case 'O': |
649 | SNARFWORD; |
650 | if (strEQ(d,"ORS")) { |
651 | saw_ORS = TRUE; |
a687059c |
652 | d = "\\"; |
8d063cd8 |
653 | } |
654 | if (strEQ(d,"OFS")) { |
655 | saw_OFS = TRUE; |
a687059c |
656 | d = ","; |
8d063cd8 |
657 | } |
658 | if (strEQ(d,"OFMT")) { |
a687059c |
659 | d = "#"; |
8d063cd8 |
660 | } |
a687059c |
661 | if (strEQ(d,"open")) |
3f939f22 |
662 | *d = toUPPER(*d); |
a687059c |
663 | else if (strEQ(d,"ord")) |
3f939f22 |
664 | *d = toUPPER(*d); |
a687059c |
665 | else if (strEQ(d,"oct")) |
3f939f22 |
666 | *d = toUPPER(*d); |
8d063cd8 |
667 | ID(d); |
668 | case 'p': case 'P': |
669 | SNARFWORD; |
670 | if (strEQ(d,"print")) { |
671 | XTERM(PRINT); |
672 | } |
673 | if (strEQ(d,"printf")) { |
674 | XTERM(PRINTF); |
675 | } |
a687059c |
676 | if (strEQ(d,"push")) |
3f939f22 |
677 | *d = toUPPER(*d); |
a687059c |
678 | else if (strEQ(d,"pop")) |
3f939f22 |
679 | *d = toUPPER(*d); |
8d063cd8 |
680 | ID(d); |
681 | case 'q': case 'Q': |
682 | SNARFWORD; |
683 | ID(d); |
684 | case 'r': case 'R': |
685 | SNARFWORD; |
686 | if (strEQ(d,"RS")) { |
a687059c |
687 | d = "/"; |
8d063cd8 |
688 | saw_RS = TRUE; |
689 | } |
a687059c |
690 | if (strEQ(d,"rand")) { |
691 | yylval = ORAND; |
692 | XTERM(FUN1); |
693 | } |
694 | if (strEQ(d,"return")) |
695 | XTERM(RET); |
696 | if (strEQ(d,"reset")) |
3f939f22 |
697 | *d = toUPPER(*d); |
a687059c |
698 | else if (strEQ(d,"redo")) |
3f939f22 |
699 | *d = toUPPER(*d); |
a687059c |
700 | else if (strEQ(d,"rename")) |
3f939f22 |
701 | *d = toUPPER(*d); |
8d063cd8 |
702 | ID(d); |
703 | case 's': case 'S': |
704 | SNARFWORD; |
705 | if (strEQ(d,"split")) { |
706 | set_array_base = TRUE; |
707 | XOP(SPLIT); |
708 | } |
709 | if (strEQ(d,"substr")) { |
710 | set_array_base = TRUE; |
711 | XTERM(SUBSTR); |
712 | } |
a687059c |
713 | if (strEQ(d,"sub")) |
714 | XTERM(SUB); |
2efaeb47 |
715 | if (strEQ(d,"sprintf")) { |
716 | /* In old awk, { print sprintf("str%sg"),"in" } prints |
717 | * "string"; in new awk, "in" is not considered an argument to |
718 | * sprintf, so the statement breaks. To support both, the |
719 | * grammar treats arguments to SPRINTF_OLD like old awk, |
720 | * SPRINTF_NEW like new. Here we return the appropriate one. |
721 | */ |
722 | XTERM(old_awk ? SPRINTF_OLD : SPRINTF_NEW); |
723 | } |
8d063cd8 |
724 | if (strEQ(d,"sqrt")) { |
725 | yylval = OSQRT; |
726 | XTERM(FUN1); |
727 | } |
a687059c |
728 | if (strEQ(d,"SUBSEP")) { |
729 | d = ";"; |
730 | } |
731 | if (strEQ(d,"sin")) { |
732 | yylval = OSIN; |
733 | XTERM(FUN1); |
734 | } |
735 | if (strEQ(d,"srand")) { |
736 | yylval = OSRAND; |
737 | XTERM(FUN1); |
738 | } |
739 | if (strEQ(d,"system")) { |
740 | yylval = OSYSTEM; |
741 | XTERM(FUN1); |
742 | } |
743 | if (strEQ(d,"s")) |
3f939f22 |
744 | *d = toUPPER(*d); |
a687059c |
745 | else if (strEQ(d,"shift")) |
3f939f22 |
746 | *d = toUPPER(*d); |
a687059c |
747 | else if (strEQ(d,"select")) |
3f939f22 |
748 | *d = toUPPER(*d); |
a687059c |
749 | else if (strEQ(d,"seek")) |
3f939f22 |
750 | *d = toUPPER(*d); |
a687059c |
751 | else if (strEQ(d,"stat")) |
3f939f22 |
752 | *d = toUPPER(*d); |
a687059c |
753 | else if (strEQ(d,"study")) |
3f939f22 |
754 | *d = toUPPER(*d); |
a687059c |
755 | else if (strEQ(d,"sleep")) |
3f939f22 |
756 | *d = toUPPER(*d); |
a687059c |
757 | else if (strEQ(d,"symlink")) |
3f939f22 |
758 | *d = toUPPER(*d); |
a687059c |
759 | else if (strEQ(d,"sort")) |
3f939f22 |
760 | *d = toUPPER(*d); |
8d063cd8 |
761 | ID(d); |
762 | case 't': case 'T': |
763 | SNARFWORD; |
a687059c |
764 | if (strEQ(d,"tr")) |
3f939f22 |
765 | *d = toUPPER(*d); |
a687059c |
766 | else if (strEQ(d,"tell")) |
3f939f22 |
767 | *d = toUPPER(*d); |
a687059c |
768 | else if (strEQ(d,"time")) |
3f939f22 |
769 | *d = toUPPER(*d); |
a687059c |
770 | else if (strEQ(d,"times")) |
3f939f22 |
771 | *d = toUPPER(*d); |
8d063cd8 |
772 | ID(d); |
773 | case 'u': case 'U': |
774 | SNARFWORD; |
a687059c |
775 | if (strEQ(d,"until")) |
3f939f22 |
776 | *d = toUPPER(*d); |
a687059c |
777 | else if (strEQ(d,"unless")) |
3f939f22 |
778 | *d = toUPPER(*d); |
a687059c |
779 | else if (strEQ(d,"umask")) |
3f939f22 |
780 | *d = toUPPER(*d); |
a687059c |
781 | else if (strEQ(d,"unshift")) |
3f939f22 |
782 | *d = toUPPER(*d); |
a687059c |
783 | else if (strEQ(d,"unlink")) |
3f939f22 |
784 | *d = toUPPER(*d); |
a687059c |
785 | else if (strEQ(d,"utime")) |
3f939f22 |
786 | *d = toUPPER(*d); |
8d063cd8 |
787 | ID(d); |
788 | case 'v': case 'V': |
789 | SNARFWORD; |
a687059c |
790 | if (strEQ(d,"values")) |
3f939f22 |
791 | *d = toUPPER(*d); |
8d063cd8 |
792 | ID(d); |
793 | case 'w': case 'W': |
794 | SNARFWORD; |
795 | if (strEQ(d,"while")) |
796 | XTERM(WHILE); |
a687059c |
797 | if (strEQ(d,"write")) |
3f939f22 |
798 | *d = toUPPER(*d); |
a687059c |
799 | else if (strEQ(d,"wait")) |
3f939f22 |
800 | *d = toUPPER(*d); |
8d063cd8 |
801 | ID(d); |
802 | case 'x': case 'X': |
803 | SNARFWORD; |
a687059c |
804 | if (strEQ(d,"x")) |
3f939f22 |
805 | *d = toUPPER(*d); |
8d063cd8 |
806 | ID(d); |
807 | case 'y': case 'Y': |
808 | SNARFWORD; |
a687059c |
809 | if (strEQ(d,"y")) |
3f939f22 |
810 | *d = toUPPER(*d); |
8d063cd8 |
811 | ID(d); |
812 | case 'z': case 'Z': |
813 | SNARFWORD; |
814 | ID(d); |
815 | } |
816 | } |
817 | |
818 | char * |
f0f333f4 |
819 | scanpat(register char *s) |
8d063cd8 |
820 | { |
821 | register char *d; |
822 | |
823 | switch (*s++) { |
824 | case '/': |
825 | break; |
826 | default: |
827 | fatal("Search pattern not found:\n%s",str_get(linestr)); |
828 | } |
378cc40b |
829 | |
830 | d = tokenbuf; |
831 | for (; *s; s++,d++) { |
832 | if (*s == '\\') { |
833 | if (s[1] == '/') |
834 | *d++ = *s++; |
835 | else if (s[1] == '\\') |
836 | *d++ = *s++; |
bf10efe7 |
837 | else if (s[1] == '[') |
838 | *d++ = *s++; |
378cc40b |
839 | } |
840 | else if (*s == '[') { |
841 | *d++ = *s++; |
842 | do { |
843 | if (*s == '\\' && s[1]) |
844 | *d++ = *s++; |
845 | if (*s == '/' || (*s == '-' && s[1] == ']')) |
846 | *d++ = '\\'; |
847 | *d++ = *s++; |
848 | } while (*s && *s != ']'); |
849 | } |
850 | else if (*s == '/') |
851 | break; |
852 | *d = *s; |
853 | } |
854 | *d = '\0'; |
855 | |
8d063cd8 |
856 | if (!*s) |
857 | fatal("Search pattern not terminated:\n%s",str_get(linestr)); |
858 | s++; |
859 | yylval = string(tokenbuf,0); |
860 | return s; |
861 | } |
862 | |
75f92628 |
863 | void |
f0f333f4 |
864 | yyerror(char *s) |
8d063cd8 |
865 | { |
866 | fprintf(stderr,"%s in file %s at line %d\n", |
867 | s,filename,line); |
868 | } |
869 | |
870 | char * |
f0f333f4 |
871 | scannum(register char *s) |
8d063cd8 |
872 | { |
873 | register char *d; |
874 | |
875 | switch (*s) { |
876 | case '1': case '2': case '3': case '4': case '5': |
877 | case '6': case '7': case '8': case '9': case '0' : case '.': |
878 | d = tokenbuf; |
3f939f22 |
879 | while (isDIGIT(*s)) { |
8d063cd8 |
880 | *d++ = *s++; |
378cc40b |
881 | } |
bf10efe7 |
882 | if (*s == '.') { |
3f939f22 |
883 | if (isDIGIT(s[1])) { |
378cc40b |
884 | *d++ = *s++; |
3f939f22 |
885 | while (isDIGIT(*s)) { |
bf10efe7 |
886 | *d++ = *s++; |
887 | } |
378cc40b |
888 | } |
bf10efe7 |
889 | else |
890 | s++; |
378cc40b |
891 | } |
a0d0e21e |
892 | if (strchr("eE",*s) && strchr("+-0123456789",s[1])) { |
8d063cd8 |
893 | *d++ = *s++; |
378cc40b |
894 | if (*s == '+' || *s == '-') |
895 | *d++ = *s++; |
3f939f22 |
896 | while (isDIGIT(*s)) |
378cc40b |
897 | *d++ = *s++; |
898 | } |
8d063cd8 |
899 | *d = '\0'; |
900 | yylval = string(tokenbuf,0); |
901 | break; |
902 | } |
903 | return s; |
904 | } |
905 | |
748a9306 |
906 | int |
f0f333f4 |
907 | string(char *ptr, int len) |
8d063cd8 |
908 | { |
909 | int retval = mop; |
910 | |
911 | ops[mop++].ival = OSTRING + (1<<8); |
912 | if (!len) |
913 | len = strlen(ptr); |
f0f333f4 |
914 | ops[mop].cval = (char *) safemalloc(len+1); |
8d063cd8 |
915 | strncpy(ops[mop].cval,ptr,len); |
916 | ops[mop++].cval[len] = '\0'; |
a687059c |
917 | if (mop >= OPSMAX) |
918 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
919 | return retval; |
920 | } |
921 | |
748a9306 |
922 | int |
f0f333f4 |
923 | oper0(int type) |
8d063cd8 |
924 | { |
925 | int retval = mop; |
926 | |
927 | if (type > 255) |
928 | fatal("type > 255 (%d)\n",type); |
929 | ops[mop++].ival = type; |
a687059c |
930 | if (mop >= OPSMAX) |
931 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
932 | return retval; |
933 | } |
934 | |
748a9306 |
935 | int |
f0f333f4 |
936 | oper1(int type, int arg1) |
8d063cd8 |
937 | { |
938 | int retval = mop; |
939 | |
940 | if (type > 255) |
941 | fatal("type > 255 (%d)\n",type); |
942 | ops[mop++].ival = type + (1<<8); |
943 | ops[mop++].ival = arg1; |
a687059c |
944 | if (mop >= OPSMAX) |
945 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
946 | return retval; |
947 | } |
948 | |
748a9306 |
949 | int |
f0f333f4 |
950 | oper2(int type, int arg1, int arg2) |
8d063cd8 |
951 | { |
952 | int retval = mop; |
953 | |
954 | if (type > 255) |
955 | fatal("type > 255 (%d)\n",type); |
956 | ops[mop++].ival = type + (2<<8); |
957 | ops[mop++].ival = arg1; |
958 | ops[mop++].ival = arg2; |
a687059c |
959 | if (mop >= OPSMAX) |
960 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
961 | return retval; |
962 | } |
963 | |
748a9306 |
964 | int |
f0f333f4 |
965 | oper3(int type, int arg1, int arg2, int arg3) |
8d063cd8 |
966 | { |
967 | int retval = mop; |
968 | |
969 | if (type > 255) |
970 | fatal("type > 255 (%d)\n",type); |
971 | ops[mop++].ival = type + (3<<8); |
972 | ops[mop++].ival = arg1; |
973 | ops[mop++].ival = arg2; |
974 | ops[mop++].ival = arg3; |
a687059c |
975 | if (mop >= OPSMAX) |
976 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
977 | return retval; |
978 | } |
979 | |
748a9306 |
980 | int |
f0f333f4 |
981 | oper4(int type, int arg1, int arg2, int arg3, int arg4) |
8d063cd8 |
982 | { |
983 | int retval = mop; |
984 | |
985 | if (type > 255) |
986 | fatal("type > 255 (%d)\n",type); |
987 | ops[mop++].ival = type + (4<<8); |
988 | ops[mop++].ival = arg1; |
989 | ops[mop++].ival = arg2; |
990 | ops[mop++].ival = arg3; |
991 | ops[mop++].ival = arg4; |
a687059c |
992 | if (mop >= OPSMAX) |
993 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
994 | return retval; |
995 | } |
996 | |
748a9306 |
997 | int |
f0f333f4 |
998 | oper5(int type, int arg1, int arg2, int arg3, int arg4, int arg5) |
8d063cd8 |
999 | { |
1000 | int retval = mop; |
1001 | |
1002 | if (type > 255) |
1003 | fatal("type > 255 (%d)\n",type); |
1004 | ops[mop++].ival = type + (5<<8); |
1005 | ops[mop++].ival = arg1; |
1006 | ops[mop++].ival = arg2; |
1007 | ops[mop++].ival = arg3; |
1008 | ops[mop++].ival = arg4; |
1009 | ops[mop++].ival = arg5; |
a687059c |
1010 | if (mop >= OPSMAX) |
1011 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
1012 | return retval; |
1013 | } |
1014 | |
1015 | int depth = 0; |
1016 | |
75f92628 |
1017 | void |
f0f333f4 |
1018 | dump(int branch) |
8d063cd8 |
1019 | { |
1020 | register int type; |
1021 | register int len; |
1022 | register int i; |
1023 | |
1024 | type = ops[branch].ival; |
1025 | len = type >> 8; |
1026 | type &= 255; |
1027 | for (i=depth; i; i--) |
1028 | printf(" "); |
1029 | if (type == OSTRING) { |
1030 | printf("%-5d\"%s\"\n",branch,ops[branch+1].cval); |
1031 | } |
1032 | else { |
1033 | printf("(%-5d%s %d\n",branch,opname[type],len); |
1034 | depth++; |
1035 | for (i=1; i<=len; i++) |
1036 | dump(ops[branch+i].ival); |
1037 | depth--; |
1038 | for (i=depth; i; i--) |
1039 | printf(" "); |
1040 | printf(")\n"); |
1041 | } |
1042 | } |
1043 | |
748a9306 |
1044 | int |
f0f333f4 |
1045 | bl(int arg, int maybe) |
8d063cd8 |
1046 | { |
1047 | if (!arg) |
1048 | return 0; |
1049 | else if ((ops[arg].ival & 255) != OBLOCK) |
1050 | return oper2(OBLOCK,arg,maybe); |
378cc40b |
1051 | else if ((ops[arg].ival >> 8) < 2) |
8d063cd8 |
1052 | return oper2(OBLOCK,ops[arg+1].ival,maybe); |
1053 | else |
1054 | return arg; |
1055 | } |
1056 | |
75f92628 |
1057 | void |
f0f333f4 |
1058 | fixup(STR *str) |
8d063cd8 |
1059 | { |
1060 | register char *s; |
1061 | register char *t; |
1062 | |
1063 | for (s = str->str_ptr; *s; s++) { |
1064 | if (*s == ';' && s[1] == ' ' && s[2] == '\n') { |
1065 | strcpy(s+1,s+2); |
1066 | s++; |
1067 | } |
1068 | else if (*s == '\n') { |
3f939f22 |
1069 | for (t = s+1; isSPACE(*t & 127); t++) ; |
8d063cd8 |
1070 | t--; |
3f939f22 |
1071 | while (isSPACE(*t & 127) && *t != '\n') t--; |
8d063cd8 |
1072 | if (*t == '\n' && t-s > 1) { |
1073 | if (s[-1] == '{') |
1074 | s--; |
1075 | strcpy(s+1,t); |
1076 | } |
1077 | s++; |
1078 | } |
1079 | } |
1080 | } |
1081 | |
75f92628 |
1082 | void |
f0f333f4 |
1083 | putlines(STR *str) |
8d063cd8 |
1084 | { |
1085 | register char *d, *s, *t, *e; |
1086 | register int pos, newpos; |
1087 | |
1088 | d = tokenbuf; |
1089 | pos = 0; |
1090 | for (s = str->str_ptr; *s; s++) { |
1091 | *d++ = *s; |
1092 | pos++; |
1093 | if (*s == '\n') { |
1094 | *d = '\0'; |
1095 | d = tokenbuf; |
1096 | pos = 0; |
1097 | putone(); |
1098 | } |
1099 | else if (*s == '\t') |
1100 | pos += 7; |
1101 | if (pos > 78) { /* split a long line? */ |
1102 | *d-- = '\0'; |
1103 | newpos = 0; |
3f939f22 |
1104 | for (t = tokenbuf; isSPACE(*t & 127); t++) { |
8d063cd8 |
1105 | if (*t == '\t') |
1106 | newpos += 8; |
1107 | else |
1108 | newpos += 1; |
1109 | } |
1110 | e = d; |
1111 | while (d > tokenbuf && (*d != ' ' || d[-1] != ';')) |
1112 | d--; |
1113 | if (d < t+10) { |
1114 | d = e; |
1115 | while (d > tokenbuf && |
1116 | (*d != ' ' || d[-1] != '|' || d[-2] != '|') ) |
1117 | d--; |
1118 | } |
1119 | if (d < t+10) { |
1120 | d = e; |
1121 | while (d > tokenbuf && |
1122 | (*d != ' ' || d[-1] != '&' || d[-2] != '&') ) |
1123 | d--; |
1124 | } |
1125 | if (d < t+10) { |
1126 | d = e; |
1127 | while (d > tokenbuf && (*d != ' ' || d[-1] != ',')) |
1128 | d--; |
1129 | } |
1130 | if (d < t+10) { |
1131 | d = e; |
1132 | while (d > tokenbuf && *d != ' ') |
1133 | d--; |
1134 | } |
1135 | if (d > t+3) { |
fe14fcc3 |
1136 | char save[2048]; |
1137 | strcpy(save, d); |
1138 | *d = '\n'; |
1139 | d[1] = '\0'; |
8d063cd8 |
1140 | putone(); |
1141 | putchar('\n'); |
1142 | if (d[-1] != ';' && !(newpos % 4)) { |
1143 | *t++ = ' '; |
1144 | *t++ = ' '; |
1145 | newpos += 2; |
1146 | } |
fe14fcc3 |
1147 | strcpy(t,save+1); |
8d063cd8 |
1148 | newpos += strlen(t); |
1149 | d = t + strlen(t); |
1150 | pos = newpos; |
1151 | } |
1152 | else |
1153 | d = e + 1; |
1154 | } |
1155 | } |
1156 | } |
1157 | |
75f92628 |
1158 | void |
f0f333f4 |
1159 | putone(void) |
8d063cd8 |
1160 | { |
1161 | register char *t; |
1162 | |
1163 | for (t = tokenbuf; *t; t++) { |
1164 | *t &= 127; |
1165 | if (*t == 127) { |
1166 | *t = ' '; |
1167 | strcpy(t+strlen(t)-1, "\t#???\n"); |
378cc40b |
1168 | checkers++; |
8d063cd8 |
1169 | } |
1170 | } |
1171 | t = tokenbuf; |
1172 | if (*t == '#') { |
1173 | if (strnEQ(t,"#!/bin/awk",10) || strnEQ(t,"#! /bin/awk",11)) |
1174 | return; |
378cc40b |
1175 | if (strnEQ(t,"#!/usr/bin/awk",14) || strnEQ(t,"#! /usr/bin/awk",15)) |
1176 | return; |
8d063cd8 |
1177 | } |
1178 | fputs(tokenbuf,stdout); |
1179 | } |
1180 | |
748a9306 |
1181 | int |
f0f333f4 |
1182 | numary(int arg) |
8d063cd8 |
1183 | { |
1184 | STR *key; |
1185 | int dummy; |
1186 | |
a687059c |
1187 | key = walk(0,0,arg,&dummy,P_MIN); |
8d063cd8 |
1188 | str_cat(key,"[]"); |
1189 | hstore(symtab,key->str_ptr,str_make("1")); |
1190 | str_free(key); |
1191 | set_array_base = TRUE; |
1192 | return arg; |
1193 | } |
a687059c |
1194 | |
748a9306 |
1195 | int |
f0f333f4 |
1196 | rememberargs(int arg) |
a687059c |
1197 | { |
1198 | int type; |
1199 | STR *str; |
1200 | |
1201 | if (!arg) |
1202 | return arg; |
1203 | type = ops[arg].ival & 255; |
1204 | if (type == OCOMMA) { |
1205 | rememberargs(ops[arg+1].ival); |
1206 | rememberargs(ops[arg+3].ival); |
1207 | } |
1208 | else if (type == OVAR) { |
1209 | str = str_new(0); |
1210 | hstore(curarghash,ops[ops[arg+1].ival+1].cval,str); |
1211 | } |
1212 | else |
1213 | fatal("panic: unknown argument type %d, line %d\n",type,line); |
1214 | return arg; |
1215 | } |
1216 | |
748a9306 |
1217 | int |
f0f333f4 |
1218 | aryrefarg(int arg) |
a687059c |
1219 | { |
1220 | int type = ops[arg].ival & 255; |
1221 | STR *str; |
1222 | |
1223 | if (type != OSTRING) |
1224 | fatal("panic: aryrefarg %d, line %d\n",type,line); |
1225 | str = hfetch(curarghash,ops[arg+1].cval); |
1226 | if (str) |
1227 | str_set(str,"*"); |
1228 | return arg; |
1229 | } |
1230 | |
748a9306 |
1231 | int |
f0f333f4 |
1232 | fixfargs(int name, int arg, int prevargs) |
a687059c |
1233 | { |
1234 | int type; |
1235 | STR *str; |
b7953727 |
1236 | int numargs = 0; |
a687059c |
1237 | |
1238 | if (!arg) |
1239 | return prevargs; |
1240 | type = ops[arg].ival & 255; |
1241 | if (type == OCOMMA) { |
1242 | numargs = fixfargs(name,ops[arg+1].ival,prevargs); |
1243 | numargs = fixfargs(name,ops[arg+3].ival,numargs); |
1244 | } |
1245 | else if (type == OVAR) { |
1246 | str = hfetch(curarghash,ops[ops[arg+1].ival+1].cval); |
1247 | if (strEQ(str_get(str),"*")) { |
1248 | char tmpbuf[128]; |
1249 | |
1250 | str_set(str,""); /* in case another routine has this */ |
1251 | ops[arg].ival &= ~255; |
1252 | ops[arg].ival |= OSTAR; |
1253 | sprintf(tmpbuf,"%s:%d",ops[name+1].cval,prevargs); |
1254 | fprintf(stderr,"Adding %s\n",tmpbuf); |
1255 | str = str_new(0); |
1256 | str_set(str,"*"); |
1257 | hstore(curarghash,tmpbuf,str); |
1258 | } |
1259 | numargs = prevargs + 1; |
1260 | } |
1261 | else |
1262 | fatal("panic: unknown argument type %d, arg %d, line %d\n", |
39c3038c |
1263 | type,prevargs+1,line); |
a687059c |
1264 | return numargs; |
1265 | } |
1266 | |
748a9306 |
1267 | int |
f0f333f4 |
1268 | fixrargs(char *name, int arg, int prevargs) |
a687059c |
1269 | { |
1270 | int type; |
1271 | STR *str; |
1272 | int numargs; |
1273 | |
1274 | if (!arg) |
1275 | return prevargs; |
1276 | type = ops[arg].ival & 255; |
1277 | if (type == OCOMMA) { |
1278 | numargs = fixrargs(name,ops[arg+1].ival,prevargs); |
1279 | numargs = fixrargs(name,ops[arg+3].ival,numargs); |
1280 | } |
1281 | else { |
f0f333f4 |
1282 | char *tmpbuf = (char *) safemalloc(strlen(name) + (sizeof(prevargs) * 3) + 5); |
a687059c |
1283 | sprintf(tmpbuf,"%s:%d",name,prevargs); |
1284 | str = hfetch(curarghash,tmpbuf); |
ece629c6 |
1285 | safefree(tmpbuf); |
a687059c |
1286 | if (str && strEQ(str->str_ptr,"*")) { |
1287 | if (type == OVAR || type == OSTAR) { |
1288 | ops[arg].ival &= ~255; |
1289 | ops[arg].ival |= OSTAR; |
1290 | } |
1291 | else |
1292 | fatal("Can't pass expression by reference as arg %d of %s\n", |
1293 | prevargs+1, name); |
1294 | } |
1295 | numargs = prevargs + 1; |
1296 | } |
1297 | return numargs; |
1298 | } |