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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 |
cb69f87a |
62 | fnInitGpfGlobals(); /* For importing the CLIB calls in place of Watcom calls */ |
2986a63f |
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); |
c5cf9ec2 |
203 | /* by ANSI specs return is needed. This also shuts up VC++ and his warnings */ |
204 | return(0); |
8d063cd8 |
205 | } |
206 | |
207 | #define RETURN(retval) return (bufptr = s,retval) |
208 | #define XTERM(retval) return (expectterm = TRUE,bufptr = s,retval) |
209 | #define XOP(retval) return (expectterm = FALSE,bufptr = s,retval) |
a687059c |
210 | #define ID(x) return (yylval=string(x,0),expectterm = FALSE,bufptr = s,idtype) |
211 | |
212 | int idtype; |
8d063cd8 |
213 | |
748a9306 |
214 | int |
f0f333f4 |
215 | yylex(void) |
8d063cd8 |
216 | { |
217 | register char *s = bufptr; |
218 | register char *d; |
219 | register int tmp; |
220 | |
221 | retry: |
9d116dd7 |
222 | #if YYDEBUG |
b7953727 |
223 | if (yydebug) { |
a0d0e21e |
224 | if (strchr(s,'\n')) |
8d063cd8 |
225 | fprintf(stderr,"Tokener at %s",s); |
226 | else |
227 | fprintf(stderr,"Tokener at %s\n",s); |
b7953727 |
228 | } |
8d063cd8 |
229 | #endif |
230 | switch (*s) { |
231 | default: |
232 | fprintf(stderr, |
233 | "Unrecognized character %c in file %s line %d--ignoring.\n", |
234 | *s++,filename,line); |
235 | goto retry; |
236 | case '\\': |
bf10efe7 |
237 | s++; |
238 | if (*s && *s != '\n') { |
239 | yyerror("Ignoring spurious backslash"); |
240 | goto retry; |
241 | } |
242 | /*FALLSTHROUGH*/ |
8d063cd8 |
243 | case 0: |
244 | s = str_get(linestr); |
245 | *s = '\0'; |
246 | if (!rsfp) |
247 | RETURN(0); |
248 | line++; |
249 | if ((s = str_gets(linestr, rsfp)) == Nullch) { |
250 | if (rsfp != stdin) |
251 | fclose(rsfp); |
252 | rsfp = Nullfp; |
253 | s = str_get(linestr); |
254 | RETURN(0); |
255 | } |
256 | goto retry; |
257 | case ' ': case '\t': |
258 | s++; |
259 | goto retry; |
260 | case '\n': |
261 | *s = '\0'; |
262 | XTERM(NEWLINE); |
263 | case '#': |
264 | yylval = string(s,0); |
265 | *s = '\0'; |
266 | XTERM(COMMENT); |
267 | case ';': |
268 | tmp = *s++; |
269 | if (*s == '\n') { |
270 | s++; |
271 | XTERM(SEMINEW); |
272 | } |
273 | XTERM(tmp); |
274 | case '(': |
a687059c |
275 | tmp = *s++; |
276 | XTERM(tmp); |
8d063cd8 |
277 | case '{': |
278 | case '[': |
279 | case ')': |
280 | case ']': |
a687059c |
281 | case '?': |
282 | case ':': |
8d063cd8 |
283 | tmp = *s++; |
284 | XOP(tmp); |
9d116dd7 |
285 | #ifdef EBCDIC |
286 | case 7: |
287 | #else |
8d063cd8 |
288 | case 127: |
9d116dd7 |
289 | #endif |
8d063cd8 |
290 | s++; |
291 | XTERM('}'); |
292 | case '}': |
3f939f22 |
293 | for (d = s + 1; isSPACE(*d); d++) ; |
8d063cd8 |
294 | if (!*d) |
295 | s = d - 1; |
296 | *s = 127; |
297 | XTERM(';'); |
298 | case ',': |
299 | tmp = *s++; |
300 | XTERM(tmp); |
301 | case '~': |
302 | s++; |
378cc40b |
303 | yylval = string("~",1); |
8d063cd8 |
304 | XTERM(MATCHOP); |
305 | case '+': |
306 | case '-': |
307 | if (s[1] == *s) { |
308 | s++; |
309 | if (*s++ == '+') |
310 | XTERM(INCR); |
311 | else |
312 | XTERM(DECR); |
313 | } |
314 | /* FALL THROUGH */ |
315 | case '*': |
316 | case '%': |
a687059c |
317 | case '^': |
8d063cd8 |
318 | tmp = *s++; |
319 | if (*s == '=') { |
a687059c |
320 | if (tmp == '^') |
321 | yylval = string("**=",3); |
322 | else |
323 | yylval = string(s-1,2); |
8d063cd8 |
324 | s++; |
325 | XTERM(ASGNOP); |
326 | } |
327 | XTERM(tmp); |
328 | case '&': |
329 | s++; |
330 | tmp = *s++; |
331 | if (tmp == '&') |
332 | XTERM(ANDAND); |
333 | s--; |
334 | XTERM('&'); |
335 | case '|': |
336 | s++; |
337 | tmp = *s++; |
338 | if (tmp == '|') |
339 | XTERM(OROR); |
340 | s--; |
a687059c |
341 | while (*s == ' ' || *s == '\t') |
342 | s++; |
343 | if (strnEQ(s,"getline",7)) |
344 | XTERM('p'); |
345 | else |
346 | XTERM('|'); |
8d063cd8 |
347 | case '=': |
348 | s++; |
349 | tmp = *s++; |
350 | if (tmp == '=') { |
351 | yylval = string("==",2); |
352 | XTERM(RELOP); |
353 | } |
354 | s--; |
355 | yylval = string("=",1); |
356 | XTERM(ASGNOP); |
357 | case '!': |
358 | s++; |
359 | tmp = *s++; |
360 | if (tmp == '=') { |
361 | yylval = string("!=",2); |
362 | XTERM(RELOP); |
363 | } |
364 | if (tmp == '~') { |
365 | yylval = string("!~",2); |
366 | XTERM(MATCHOP); |
367 | } |
368 | s--; |
369 | XTERM(NOT); |
370 | case '<': |
371 | s++; |
372 | tmp = *s++; |
373 | if (tmp == '=') { |
374 | yylval = string("<=",2); |
375 | XTERM(RELOP); |
376 | } |
377 | s--; |
a687059c |
378 | XTERM('<'); |
8d063cd8 |
379 | case '>': |
380 | s++; |
381 | tmp = *s++; |
378cc40b |
382 | if (tmp == '>') { |
383 | yylval = string(">>",2); |
384 | XTERM(GRGR); |
385 | } |
8d063cd8 |
386 | if (tmp == '=') { |
387 | yylval = string(">=",2); |
388 | XTERM(RELOP); |
389 | } |
390 | s--; |
a687059c |
391 | XTERM('>'); |
8d063cd8 |
392 | |
393 | #define SNARFWORD \ |
394 | d = tokenbuf; \ |
3f939f22 |
395 | while (isALPHA(*s) || isDIGIT(*s) || *s == '_') \ |
8d063cd8 |
396 | *d++ = *s++; \ |
397 | *d = '\0'; \ |
a687059c |
398 | d = tokenbuf; \ |
399 | if (*s == '(') \ |
400 | idtype = USERFUN; \ |
401 | else \ |
402 | idtype = VAR; |
8d063cd8 |
403 | |
404 | case '$': |
405 | s++; |
406 | if (*s == '0') { |
407 | s++; |
408 | do_chop = TRUE; |
409 | need_entire = TRUE; |
a687059c |
410 | idtype = VAR; |
8d063cd8 |
411 | ID("0"); |
412 | } |
413 | do_split = TRUE; |
3f939f22 |
414 | if (isDIGIT(*s)) { |
415 | for (d = s; isDIGIT(*s); s++) ; |
8d063cd8 |
416 | yylval = string(d,s-d); |
417 | tmp = atoi(d); |
418 | if (tmp > maxfld) |
419 | maxfld = tmp; |
420 | XOP(FIELD); |
421 | } |
422 | split_to_array = set_array_base = TRUE; |
423 | XOP(VFIELD); |
424 | |
425 | case '/': /* may either be division or pattern */ |
426 | if (expectterm) { |
427 | s = scanpat(s); |
428 | XTERM(REGEX); |
429 | } |
430 | tmp = *s++; |
431 | if (*s == '=') { |
432 | yylval = string("/=",2); |
433 | s++; |
434 | XTERM(ASGNOP); |
435 | } |
436 | XTERM(tmp); |
437 | |
438 | case '0': case '1': case '2': case '3': case '4': |
a687059c |
439 | case '5': case '6': case '7': case '8': case '9': case '.': |
8d063cd8 |
440 | s = scannum(s); |
441 | XOP(NUMBER); |
442 | case '"': |
443 | s++; |
444 | s = cpy2(tokenbuf,s,s[-1]); |
445 | if (!*s) |
446 | fatal("String not terminated:\n%s",str_get(linestr)); |
447 | s++; |
448 | yylval = string(tokenbuf,0); |
449 | XOP(STRING); |
450 | |
451 | case 'a': case 'A': |
452 | SNARFWORD; |
a687059c |
453 | if (strEQ(d,"ARGC")) |
454 | set_array_base = TRUE; |
455 | if (strEQ(d,"ARGV")) { |
456 | yylval=numary(string("ARGV",0)); |
457 | XOP(VAR); |
458 | } |
459 | if (strEQ(d,"atan2")) { |
460 | yylval = OATAN2; |
461 | XTERM(FUNN); |
462 | } |
8d063cd8 |
463 | ID(d); |
464 | case 'b': case 'B': |
465 | SNARFWORD; |
466 | if (strEQ(d,"break")) |
467 | XTERM(BREAK); |
468 | if (strEQ(d,"BEGIN")) |
469 | XTERM(BEGIN); |
470 | ID(d); |
471 | case 'c': case 'C': |
472 | SNARFWORD; |
473 | if (strEQ(d,"continue")) |
474 | XTERM(CONTINUE); |
a687059c |
475 | if (strEQ(d,"cos")) { |
476 | yylval = OCOS; |
477 | XTERM(FUN1); |
478 | } |
479 | if (strEQ(d,"close")) { |
480 | do_fancy_opens = 1; |
481 | yylval = OCLOSE; |
482 | XTERM(FUN1); |
483 | } |
484 | if (strEQ(d,"chdir")) |
3f939f22 |
485 | *d = toUPPER(*d); |
a687059c |
486 | else if (strEQ(d,"crypt")) |
3f939f22 |
487 | *d = toUPPER(*d); |
a687059c |
488 | else if (strEQ(d,"chop")) |
3f939f22 |
489 | *d = toUPPER(*d); |
a687059c |
490 | else if (strEQ(d,"chmod")) |
3f939f22 |
491 | *d = toUPPER(*d); |
a687059c |
492 | else if (strEQ(d,"chown")) |
3f939f22 |
493 | *d = toUPPER(*d); |
8d063cd8 |
494 | ID(d); |
495 | case 'd': case 'D': |
496 | SNARFWORD; |
a687059c |
497 | if (strEQ(d,"do")) |
498 | XTERM(DO); |
499 | if (strEQ(d,"delete")) |
500 | XTERM(DELETE); |
501 | if (strEQ(d,"die")) |
3f939f22 |
502 | *d = toUPPER(*d); |
8d063cd8 |
503 | ID(d); |
504 | case 'e': case 'E': |
505 | SNARFWORD; |
506 | if (strEQ(d,"END")) |
507 | XTERM(END); |
508 | if (strEQ(d,"else")) |
509 | XTERM(ELSE); |
510 | if (strEQ(d,"exit")) { |
511 | saw_line_op = TRUE; |
512 | XTERM(EXIT); |
513 | } |
514 | if (strEQ(d,"exp")) { |
515 | yylval = OEXP; |
516 | XTERM(FUN1); |
517 | } |
a687059c |
518 | if (strEQ(d,"elsif")) |
3f939f22 |
519 | *d = toUPPER(*d); |
a687059c |
520 | else if (strEQ(d,"eq")) |
3f939f22 |
521 | *d = toUPPER(*d); |
a687059c |
522 | else if (strEQ(d,"eval")) |
3f939f22 |
523 | *d = toUPPER(*d); |
a687059c |
524 | else if (strEQ(d,"eof")) |
3f939f22 |
525 | *d = toUPPER(*d); |
a687059c |
526 | else if (strEQ(d,"each")) |
3f939f22 |
527 | *d = toUPPER(*d); |
a687059c |
528 | else if (strEQ(d,"exec")) |
3f939f22 |
529 | *d = toUPPER(*d); |
8d063cd8 |
530 | ID(d); |
531 | case 'f': case 'F': |
532 | SNARFWORD; |
533 | if (strEQ(d,"FS")) { |
534 | saw_FS++; |
535 | if (saw_FS == 1 && in_begin) { |
3f939f22 |
536 | for (d = s; *d && isSPACE(*d); d++) ; |
8d063cd8 |
537 | if (*d == '=') { |
3f939f22 |
538 | for (d++; *d && isSPACE(*d); d++) ; |
8d063cd8 |
539 | if (*d == '"' && d[2] == '"') |
540 | const_FS = d[1]; |
541 | } |
542 | } |
543 | ID(tokenbuf); |
544 | } |
8d063cd8 |
545 | if (strEQ(d,"for")) |
546 | XTERM(FOR); |
a687059c |
547 | else if (strEQ(d,"function")) |
548 | XTERM(FUNCTION); |
549 | if (strEQ(d,"FILENAME")) |
550 | d = "ARGV"; |
551 | if (strEQ(d,"foreach")) |
3f939f22 |
552 | *d = toUPPER(*d); |
a687059c |
553 | else if (strEQ(d,"format")) |
3f939f22 |
554 | *d = toUPPER(*d); |
a687059c |
555 | else if (strEQ(d,"fork")) |
3f939f22 |
556 | *d = toUPPER(*d); |
a687059c |
557 | else if (strEQ(d,"fh")) |
3f939f22 |
558 | *d = toUPPER(*d); |
8d063cd8 |
559 | ID(d); |
560 | case 'g': case 'G': |
561 | SNARFWORD; |
562 | if (strEQ(d,"getline")) |
563 | XTERM(GETLINE); |
a687059c |
564 | if (strEQ(d,"gsub")) |
565 | XTERM(GSUB); |
566 | if (strEQ(d,"ge")) |
3f939f22 |
567 | *d = toUPPER(*d); |
a687059c |
568 | else if (strEQ(d,"gt")) |
3f939f22 |
569 | *d = toUPPER(*d); |
a687059c |
570 | else if (strEQ(d,"goto")) |
3f939f22 |
571 | *d = toUPPER(*d); |
a687059c |
572 | else if (strEQ(d,"gmtime")) |
3f939f22 |
573 | *d = toUPPER(*d); |
8d063cd8 |
574 | ID(d); |
575 | case 'h': case 'H': |
576 | SNARFWORD; |
a687059c |
577 | if (strEQ(d,"hex")) |
3f939f22 |
578 | *d = toUPPER(*d); |
8d063cd8 |
579 | ID(d); |
580 | case 'i': case 'I': |
581 | SNARFWORD; |
582 | if (strEQ(d,"if")) |
583 | XTERM(IF); |
584 | if (strEQ(d,"in")) |
585 | XTERM(IN); |
586 | if (strEQ(d,"index")) { |
587 | set_array_base = TRUE; |
588 | XTERM(INDEX); |
589 | } |
590 | if (strEQ(d,"int")) { |
591 | yylval = OINT; |
592 | XTERM(FUN1); |
593 | } |
594 | ID(d); |
595 | case 'j': case 'J': |
596 | SNARFWORD; |
a687059c |
597 | if (strEQ(d,"join")) |
3f939f22 |
598 | *d = toUPPER(*d); |
8d063cd8 |
599 | ID(d); |
600 | case 'k': case 'K': |
601 | SNARFWORD; |
a687059c |
602 | if (strEQ(d,"keys")) |
3f939f22 |
603 | *d = toUPPER(*d); |
a687059c |
604 | else if (strEQ(d,"kill")) |
3f939f22 |
605 | *d = toUPPER(*d); |
8d063cd8 |
606 | ID(d); |
607 | case 'l': case 'L': |
608 | SNARFWORD; |
609 | if (strEQ(d,"length")) { |
610 | yylval = OLENGTH; |
611 | XTERM(FUN1); |
612 | } |
613 | if (strEQ(d,"log")) { |
614 | yylval = OLOG; |
615 | XTERM(FUN1); |
616 | } |
a687059c |
617 | if (strEQ(d,"last")) |
3f939f22 |
618 | *d = toUPPER(*d); |
a687059c |
619 | else if (strEQ(d,"local")) |
3f939f22 |
620 | *d = toUPPER(*d); |
a687059c |
621 | else if (strEQ(d,"lt")) |
3f939f22 |
622 | *d = toUPPER(*d); |
a687059c |
623 | else if (strEQ(d,"le")) |
3f939f22 |
624 | *d = toUPPER(*d); |
a687059c |
625 | else if (strEQ(d,"locatime")) |
3f939f22 |
626 | *d = toUPPER(*d); |
a687059c |
627 | else if (strEQ(d,"link")) |
3f939f22 |
628 | *d = toUPPER(*d); |
8d063cd8 |
629 | ID(d); |
630 | case 'm': case 'M': |
631 | SNARFWORD; |
a687059c |
632 | if (strEQ(d,"match")) { |
633 | set_array_base = TRUE; |
634 | XTERM(MATCH); |
635 | } |
636 | if (strEQ(d,"m")) |
3f939f22 |
637 | *d = toUPPER(*d); |
8d063cd8 |
638 | ID(d); |
639 | case 'n': case 'N': |
640 | SNARFWORD; |
641 | if (strEQ(d,"NF")) |
87250799 |
642 | do_chop = do_split = split_to_array = set_array_base = TRUE; |
8d063cd8 |
643 | if (strEQ(d,"next")) { |
644 | saw_line_op = TRUE; |
645 | XTERM(NEXT); |
646 | } |
a687059c |
647 | if (strEQ(d,"ne")) |
3f939f22 |
648 | *d = toUPPER(*d); |
8d063cd8 |
649 | ID(d); |
650 | case 'o': case 'O': |
651 | SNARFWORD; |
652 | if (strEQ(d,"ORS")) { |
653 | saw_ORS = TRUE; |
a687059c |
654 | d = "\\"; |
8d063cd8 |
655 | } |
656 | if (strEQ(d,"OFS")) { |
657 | saw_OFS = TRUE; |
a687059c |
658 | d = ","; |
8d063cd8 |
659 | } |
660 | if (strEQ(d,"OFMT")) { |
a687059c |
661 | d = "#"; |
8d063cd8 |
662 | } |
a687059c |
663 | if (strEQ(d,"open")) |
3f939f22 |
664 | *d = toUPPER(*d); |
a687059c |
665 | else if (strEQ(d,"ord")) |
3f939f22 |
666 | *d = toUPPER(*d); |
a687059c |
667 | else if (strEQ(d,"oct")) |
3f939f22 |
668 | *d = toUPPER(*d); |
8d063cd8 |
669 | ID(d); |
670 | case 'p': case 'P': |
671 | SNARFWORD; |
672 | if (strEQ(d,"print")) { |
673 | XTERM(PRINT); |
674 | } |
675 | if (strEQ(d,"printf")) { |
676 | XTERM(PRINTF); |
677 | } |
a687059c |
678 | if (strEQ(d,"push")) |
3f939f22 |
679 | *d = toUPPER(*d); |
a687059c |
680 | else if (strEQ(d,"pop")) |
3f939f22 |
681 | *d = toUPPER(*d); |
8d063cd8 |
682 | ID(d); |
683 | case 'q': case 'Q': |
684 | SNARFWORD; |
685 | ID(d); |
686 | case 'r': case 'R': |
687 | SNARFWORD; |
688 | if (strEQ(d,"RS")) { |
a687059c |
689 | d = "/"; |
8d063cd8 |
690 | saw_RS = TRUE; |
691 | } |
a687059c |
692 | if (strEQ(d,"rand")) { |
693 | yylval = ORAND; |
694 | XTERM(FUN1); |
695 | } |
696 | if (strEQ(d,"return")) |
697 | XTERM(RET); |
698 | if (strEQ(d,"reset")) |
3f939f22 |
699 | *d = toUPPER(*d); |
a687059c |
700 | else if (strEQ(d,"redo")) |
3f939f22 |
701 | *d = toUPPER(*d); |
a687059c |
702 | else if (strEQ(d,"rename")) |
3f939f22 |
703 | *d = toUPPER(*d); |
8d063cd8 |
704 | ID(d); |
705 | case 's': case 'S': |
706 | SNARFWORD; |
707 | if (strEQ(d,"split")) { |
708 | set_array_base = TRUE; |
709 | XOP(SPLIT); |
710 | } |
711 | if (strEQ(d,"substr")) { |
712 | set_array_base = TRUE; |
713 | XTERM(SUBSTR); |
714 | } |
a687059c |
715 | if (strEQ(d,"sub")) |
716 | XTERM(SUB); |
2efaeb47 |
717 | if (strEQ(d,"sprintf")) { |
718 | /* In old awk, { print sprintf("str%sg"),"in" } prints |
719 | * "string"; in new awk, "in" is not considered an argument to |
720 | * sprintf, so the statement breaks. To support both, the |
721 | * grammar treats arguments to SPRINTF_OLD like old awk, |
722 | * SPRINTF_NEW like new. Here we return the appropriate one. |
723 | */ |
724 | XTERM(old_awk ? SPRINTF_OLD : SPRINTF_NEW); |
725 | } |
8d063cd8 |
726 | if (strEQ(d,"sqrt")) { |
727 | yylval = OSQRT; |
728 | XTERM(FUN1); |
729 | } |
a687059c |
730 | if (strEQ(d,"SUBSEP")) { |
731 | d = ";"; |
732 | } |
733 | if (strEQ(d,"sin")) { |
734 | yylval = OSIN; |
735 | XTERM(FUN1); |
736 | } |
737 | if (strEQ(d,"srand")) { |
738 | yylval = OSRAND; |
739 | XTERM(FUN1); |
740 | } |
741 | if (strEQ(d,"system")) { |
742 | yylval = OSYSTEM; |
743 | XTERM(FUN1); |
744 | } |
745 | if (strEQ(d,"s")) |
3f939f22 |
746 | *d = toUPPER(*d); |
a687059c |
747 | else if (strEQ(d,"shift")) |
3f939f22 |
748 | *d = toUPPER(*d); |
a687059c |
749 | else if (strEQ(d,"select")) |
3f939f22 |
750 | *d = toUPPER(*d); |
a687059c |
751 | else if (strEQ(d,"seek")) |
3f939f22 |
752 | *d = toUPPER(*d); |
a687059c |
753 | else if (strEQ(d,"stat")) |
3f939f22 |
754 | *d = toUPPER(*d); |
a687059c |
755 | else if (strEQ(d,"study")) |
3f939f22 |
756 | *d = toUPPER(*d); |
a687059c |
757 | else if (strEQ(d,"sleep")) |
3f939f22 |
758 | *d = toUPPER(*d); |
a687059c |
759 | else if (strEQ(d,"symlink")) |
3f939f22 |
760 | *d = toUPPER(*d); |
a687059c |
761 | else if (strEQ(d,"sort")) |
3f939f22 |
762 | *d = toUPPER(*d); |
8d063cd8 |
763 | ID(d); |
764 | case 't': case 'T': |
765 | SNARFWORD; |
a687059c |
766 | if (strEQ(d,"tr")) |
3f939f22 |
767 | *d = toUPPER(*d); |
a687059c |
768 | else if (strEQ(d,"tell")) |
3f939f22 |
769 | *d = toUPPER(*d); |
a687059c |
770 | else if (strEQ(d,"time")) |
3f939f22 |
771 | *d = toUPPER(*d); |
a687059c |
772 | else if (strEQ(d,"times")) |
3f939f22 |
773 | *d = toUPPER(*d); |
8d063cd8 |
774 | ID(d); |
775 | case 'u': case 'U': |
776 | SNARFWORD; |
a687059c |
777 | if (strEQ(d,"until")) |
3f939f22 |
778 | *d = toUPPER(*d); |
a687059c |
779 | else if (strEQ(d,"unless")) |
3f939f22 |
780 | *d = toUPPER(*d); |
a687059c |
781 | else if (strEQ(d,"umask")) |
3f939f22 |
782 | *d = toUPPER(*d); |
a687059c |
783 | else if (strEQ(d,"unshift")) |
3f939f22 |
784 | *d = toUPPER(*d); |
a687059c |
785 | else if (strEQ(d,"unlink")) |
3f939f22 |
786 | *d = toUPPER(*d); |
a687059c |
787 | else if (strEQ(d,"utime")) |
3f939f22 |
788 | *d = toUPPER(*d); |
8d063cd8 |
789 | ID(d); |
790 | case 'v': case 'V': |
791 | SNARFWORD; |
a687059c |
792 | if (strEQ(d,"values")) |
3f939f22 |
793 | *d = toUPPER(*d); |
8d063cd8 |
794 | ID(d); |
795 | case 'w': case 'W': |
796 | SNARFWORD; |
797 | if (strEQ(d,"while")) |
798 | XTERM(WHILE); |
a687059c |
799 | if (strEQ(d,"write")) |
3f939f22 |
800 | *d = toUPPER(*d); |
a687059c |
801 | else if (strEQ(d,"wait")) |
3f939f22 |
802 | *d = toUPPER(*d); |
8d063cd8 |
803 | ID(d); |
804 | case 'x': case 'X': |
805 | SNARFWORD; |
a687059c |
806 | if (strEQ(d,"x")) |
3f939f22 |
807 | *d = toUPPER(*d); |
8d063cd8 |
808 | ID(d); |
809 | case 'y': case 'Y': |
810 | SNARFWORD; |
a687059c |
811 | if (strEQ(d,"y")) |
3f939f22 |
812 | *d = toUPPER(*d); |
8d063cd8 |
813 | ID(d); |
814 | case 'z': case 'Z': |
815 | SNARFWORD; |
816 | ID(d); |
817 | } |
818 | } |
819 | |
820 | char * |
f0f333f4 |
821 | scanpat(register char *s) |
8d063cd8 |
822 | { |
823 | register char *d; |
824 | |
825 | switch (*s++) { |
826 | case '/': |
827 | break; |
828 | default: |
829 | fatal("Search pattern not found:\n%s",str_get(linestr)); |
830 | } |
378cc40b |
831 | |
832 | d = tokenbuf; |
833 | for (; *s; s++,d++) { |
834 | if (*s == '\\') { |
835 | if (s[1] == '/') |
836 | *d++ = *s++; |
837 | else if (s[1] == '\\') |
838 | *d++ = *s++; |
bf10efe7 |
839 | else if (s[1] == '[') |
840 | *d++ = *s++; |
378cc40b |
841 | } |
842 | else if (*s == '[') { |
843 | *d++ = *s++; |
844 | do { |
845 | if (*s == '\\' && s[1]) |
846 | *d++ = *s++; |
847 | if (*s == '/' || (*s == '-' && s[1] == ']')) |
848 | *d++ = '\\'; |
849 | *d++ = *s++; |
850 | } while (*s && *s != ']'); |
851 | } |
852 | else if (*s == '/') |
853 | break; |
854 | *d = *s; |
855 | } |
856 | *d = '\0'; |
857 | |
8d063cd8 |
858 | if (!*s) |
859 | fatal("Search pattern not terminated:\n%s",str_get(linestr)); |
860 | s++; |
861 | yylval = string(tokenbuf,0); |
862 | return s; |
863 | } |
864 | |
75f92628 |
865 | void |
f0f333f4 |
866 | yyerror(char *s) |
8d063cd8 |
867 | { |
868 | fprintf(stderr,"%s in file %s at line %d\n", |
869 | s,filename,line); |
870 | } |
871 | |
872 | char * |
f0f333f4 |
873 | scannum(register char *s) |
8d063cd8 |
874 | { |
875 | register char *d; |
876 | |
877 | switch (*s) { |
878 | case '1': case '2': case '3': case '4': case '5': |
879 | case '6': case '7': case '8': case '9': case '0' : case '.': |
880 | d = tokenbuf; |
3f939f22 |
881 | while (isDIGIT(*s)) { |
8d063cd8 |
882 | *d++ = *s++; |
378cc40b |
883 | } |
bf10efe7 |
884 | if (*s == '.') { |
3f939f22 |
885 | if (isDIGIT(s[1])) { |
378cc40b |
886 | *d++ = *s++; |
3f939f22 |
887 | while (isDIGIT(*s)) { |
bf10efe7 |
888 | *d++ = *s++; |
889 | } |
378cc40b |
890 | } |
bf10efe7 |
891 | else |
892 | s++; |
378cc40b |
893 | } |
a0d0e21e |
894 | if (strchr("eE",*s) && strchr("+-0123456789",s[1])) { |
8d063cd8 |
895 | *d++ = *s++; |
378cc40b |
896 | if (*s == '+' || *s == '-') |
897 | *d++ = *s++; |
3f939f22 |
898 | while (isDIGIT(*s)) |
378cc40b |
899 | *d++ = *s++; |
900 | } |
8d063cd8 |
901 | *d = '\0'; |
902 | yylval = string(tokenbuf,0); |
903 | break; |
904 | } |
905 | return s; |
906 | } |
907 | |
748a9306 |
908 | int |
f0f333f4 |
909 | string(char *ptr, int len) |
8d063cd8 |
910 | { |
911 | int retval = mop; |
912 | |
913 | ops[mop++].ival = OSTRING + (1<<8); |
914 | if (!len) |
915 | len = strlen(ptr); |
f0f333f4 |
916 | ops[mop].cval = (char *) safemalloc(len+1); |
8d063cd8 |
917 | strncpy(ops[mop].cval,ptr,len); |
918 | ops[mop++].cval[len] = '\0'; |
a687059c |
919 | if (mop >= OPSMAX) |
920 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
921 | return retval; |
922 | } |
923 | |
748a9306 |
924 | int |
f0f333f4 |
925 | oper0(int type) |
8d063cd8 |
926 | { |
927 | int retval = mop; |
928 | |
929 | if (type > 255) |
930 | fatal("type > 255 (%d)\n",type); |
931 | ops[mop++].ival = type; |
a687059c |
932 | if (mop >= OPSMAX) |
933 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
934 | return retval; |
935 | } |
936 | |
748a9306 |
937 | int |
f0f333f4 |
938 | oper1(int type, int arg1) |
8d063cd8 |
939 | { |
940 | int retval = mop; |
941 | |
942 | if (type > 255) |
943 | fatal("type > 255 (%d)\n",type); |
944 | ops[mop++].ival = type + (1<<8); |
945 | ops[mop++].ival = arg1; |
a687059c |
946 | if (mop >= OPSMAX) |
947 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
948 | return retval; |
949 | } |
950 | |
748a9306 |
951 | int |
f0f333f4 |
952 | oper2(int type, int arg1, int arg2) |
8d063cd8 |
953 | { |
954 | int retval = mop; |
955 | |
956 | if (type > 255) |
957 | fatal("type > 255 (%d)\n",type); |
958 | ops[mop++].ival = type + (2<<8); |
959 | ops[mop++].ival = arg1; |
960 | ops[mop++].ival = arg2; |
a687059c |
961 | if (mop >= OPSMAX) |
962 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
963 | return retval; |
964 | } |
965 | |
748a9306 |
966 | int |
f0f333f4 |
967 | oper3(int type, int arg1, int arg2, int arg3) |
8d063cd8 |
968 | { |
969 | int retval = mop; |
970 | |
971 | if (type > 255) |
972 | fatal("type > 255 (%d)\n",type); |
973 | ops[mop++].ival = type + (3<<8); |
974 | ops[mop++].ival = arg1; |
975 | ops[mop++].ival = arg2; |
976 | ops[mop++].ival = arg3; |
a687059c |
977 | if (mop >= OPSMAX) |
978 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
979 | return retval; |
980 | } |
981 | |
748a9306 |
982 | int |
f0f333f4 |
983 | oper4(int type, int arg1, int arg2, int arg3, int arg4) |
8d063cd8 |
984 | { |
985 | int retval = mop; |
986 | |
987 | if (type > 255) |
988 | fatal("type > 255 (%d)\n",type); |
989 | ops[mop++].ival = type + (4<<8); |
990 | ops[mop++].ival = arg1; |
991 | ops[mop++].ival = arg2; |
992 | ops[mop++].ival = arg3; |
993 | ops[mop++].ival = arg4; |
a687059c |
994 | if (mop >= OPSMAX) |
995 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
996 | return retval; |
997 | } |
998 | |
748a9306 |
999 | int |
f0f333f4 |
1000 | oper5(int type, int arg1, int arg2, int arg3, int arg4, int arg5) |
8d063cd8 |
1001 | { |
1002 | int retval = mop; |
1003 | |
1004 | if (type > 255) |
1005 | fatal("type > 255 (%d)\n",type); |
1006 | ops[mop++].ival = type + (5<<8); |
1007 | ops[mop++].ival = arg1; |
1008 | ops[mop++].ival = arg2; |
1009 | ops[mop++].ival = arg3; |
1010 | ops[mop++].ival = arg4; |
1011 | ops[mop++].ival = arg5; |
a687059c |
1012 | if (mop >= OPSMAX) |
1013 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
1014 | return retval; |
1015 | } |
1016 | |
1017 | int depth = 0; |
1018 | |
75f92628 |
1019 | void |
f0f333f4 |
1020 | dump(int branch) |
8d063cd8 |
1021 | { |
1022 | register int type; |
1023 | register int len; |
1024 | register int i; |
1025 | |
1026 | type = ops[branch].ival; |
1027 | len = type >> 8; |
1028 | type &= 255; |
1029 | for (i=depth; i; i--) |
1030 | printf(" "); |
1031 | if (type == OSTRING) { |
1032 | printf("%-5d\"%s\"\n",branch,ops[branch+1].cval); |
1033 | } |
1034 | else { |
1035 | printf("(%-5d%s %d\n",branch,opname[type],len); |
1036 | depth++; |
1037 | for (i=1; i<=len; i++) |
1038 | dump(ops[branch+i].ival); |
1039 | depth--; |
1040 | for (i=depth; i; i--) |
1041 | printf(" "); |
1042 | printf(")\n"); |
1043 | } |
1044 | } |
1045 | |
748a9306 |
1046 | int |
f0f333f4 |
1047 | bl(int arg, int maybe) |
8d063cd8 |
1048 | { |
1049 | if (!arg) |
1050 | return 0; |
1051 | else if ((ops[arg].ival & 255) != OBLOCK) |
1052 | return oper2(OBLOCK,arg,maybe); |
378cc40b |
1053 | else if ((ops[arg].ival >> 8) < 2) |
8d063cd8 |
1054 | return oper2(OBLOCK,ops[arg+1].ival,maybe); |
1055 | else |
1056 | return arg; |
1057 | } |
1058 | |
75f92628 |
1059 | void |
f0f333f4 |
1060 | fixup(STR *str) |
8d063cd8 |
1061 | { |
1062 | register char *s; |
1063 | register char *t; |
1064 | |
1065 | for (s = str->str_ptr; *s; s++) { |
1066 | if (*s == ';' && s[1] == ' ' && s[2] == '\n') { |
1067 | strcpy(s+1,s+2); |
1068 | s++; |
1069 | } |
1070 | else if (*s == '\n') { |
3f939f22 |
1071 | for (t = s+1; isSPACE(*t & 127); t++) ; |
8d063cd8 |
1072 | t--; |
3f939f22 |
1073 | while (isSPACE(*t & 127) && *t != '\n') t--; |
8d063cd8 |
1074 | if (*t == '\n' && t-s > 1) { |
1075 | if (s[-1] == '{') |
1076 | s--; |
1077 | strcpy(s+1,t); |
1078 | } |
1079 | s++; |
1080 | } |
1081 | } |
1082 | } |
1083 | |
75f92628 |
1084 | void |
f0f333f4 |
1085 | putlines(STR *str) |
8d063cd8 |
1086 | { |
1087 | register char *d, *s, *t, *e; |
1088 | register int pos, newpos; |
1089 | |
1090 | d = tokenbuf; |
1091 | pos = 0; |
1092 | for (s = str->str_ptr; *s; s++) { |
1093 | *d++ = *s; |
1094 | pos++; |
1095 | if (*s == '\n') { |
1096 | *d = '\0'; |
1097 | d = tokenbuf; |
1098 | pos = 0; |
1099 | putone(); |
1100 | } |
1101 | else if (*s == '\t') |
1102 | pos += 7; |
1103 | if (pos > 78) { /* split a long line? */ |
1104 | *d-- = '\0'; |
1105 | newpos = 0; |
3f939f22 |
1106 | for (t = tokenbuf; isSPACE(*t & 127); t++) { |
8d063cd8 |
1107 | if (*t == '\t') |
1108 | newpos += 8; |
1109 | else |
1110 | newpos += 1; |
1111 | } |
1112 | e = d; |
1113 | while (d > tokenbuf && (*d != ' ' || d[-1] != ';')) |
1114 | d--; |
1115 | if (d < t+10) { |
1116 | d = e; |
1117 | while (d > tokenbuf && |
1118 | (*d != ' ' || d[-1] != '|' || d[-2] != '|') ) |
1119 | d--; |
1120 | } |
1121 | if (d < t+10) { |
1122 | d = e; |
1123 | while (d > tokenbuf && |
1124 | (*d != ' ' || d[-1] != '&' || d[-2] != '&') ) |
1125 | d--; |
1126 | } |
1127 | if (d < t+10) { |
1128 | d = e; |
1129 | while (d > tokenbuf && (*d != ' ' || d[-1] != ',')) |
1130 | d--; |
1131 | } |
1132 | if (d < t+10) { |
1133 | d = e; |
1134 | while (d > tokenbuf && *d != ' ') |
1135 | d--; |
1136 | } |
1137 | if (d > t+3) { |
fe14fcc3 |
1138 | char save[2048]; |
1139 | strcpy(save, d); |
1140 | *d = '\n'; |
1141 | d[1] = '\0'; |
8d063cd8 |
1142 | putone(); |
1143 | putchar('\n'); |
1144 | if (d[-1] != ';' && !(newpos % 4)) { |
1145 | *t++ = ' '; |
1146 | *t++ = ' '; |
1147 | newpos += 2; |
1148 | } |
fe14fcc3 |
1149 | strcpy(t,save+1); |
8d063cd8 |
1150 | newpos += strlen(t); |
1151 | d = t + strlen(t); |
1152 | pos = newpos; |
1153 | } |
1154 | else |
1155 | d = e + 1; |
1156 | } |
1157 | } |
1158 | } |
1159 | |
75f92628 |
1160 | void |
f0f333f4 |
1161 | putone(void) |
8d063cd8 |
1162 | { |
1163 | register char *t; |
1164 | |
1165 | for (t = tokenbuf; *t; t++) { |
1166 | *t &= 127; |
1167 | if (*t == 127) { |
1168 | *t = ' '; |
1169 | strcpy(t+strlen(t)-1, "\t#???\n"); |
378cc40b |
1170 | checkers++; |
8d063cd8 |
1171 | } |
1172 | } |
1173 | t = tokenbuf; |
1174 | if (*t == '#') { |
1175 | if (strnEQ(t,"#!/bin/awk",10) || strnEQ(t,"#! /bin/awk",11)) |
1176 | return; |
378cc40b |
1177 | if (strnEQ(t,"#!/usr/bin/awk",14) || strnEQ(t,"#! /usr/bin/awk",15)) |
1178 | return; |
8d063cd8 |
1179 | } |
1180 | fputs(tokenbuf,stdout); |
1181 | } |
1182 | |
748a9306 |
1183 | int |
f0f333f4 |
1184 | numary(int arg) |
8d063cd8 |
1185 | { |
1186 | STR *key; |
1187 | int dummy; |
1188 | |
a687059c |
1189 | key = walk(0,0,arg,&dummy,P_MIN); |
8d063cd8 |
1190 | str_cat(key,"[]"); |
1191 | hstore(symtab,key->str_ptr,str_make("1")); |
1192 | str_free(key); |
1193 | set_array_base = TRUE; |
1194 | return arg; |
1195 | } |
a687059c |
1196 | |
748a9306 |
1197 | int |
f0f333f4 |
1198 | rememberargs(int arg) |
a687059c |
1199 | { |
1200 | int type; |
1201 | STR *str; |
1202 | |
1203 | if (!arg) |
1204 | return arg; |
1205 | type = ops[arg].ival & 255; |
1206 | if (type == OCOMMA) { |
1207 | rememberargs(ops[arg+1].ival); |
1208 | rememberargs(ops[arg+3].ival); |
1209 | } |
1210 | else if (type == OVAR) { |
1211 | str = str_new(0); |
1212 | hstore(curarghash,ops[ops[arg+1].ival+1].cval,str); |
1213 | } |
1214 | else |
1215 | fatal("panic: unknown argument type %d, line %d\n",type,line); |
1216 | return arg; |
1217 | } |
1218 | |
748a9306 |
1219 | int |
f0f333f4 |
1220 | aryrefarg(int arg) |
a687059c |
1221 | { |
1222 | int type = ops[arg].ival & 255; |
1223 | STR *str; |
1224 | |
1225 | if (type != OSTRING) |
1226 | fatal("panic: aryrefarg %d, line %d\n",type,line); |
1227 | str = hfetch(curarghash,ops[arg+1].cval); |
1228 | if (str) |
1229 | str_set(str,"*"); |
1230 | return arg; |
1231 | } |
1232 | |
748a9306 |
1233 | int |
f0f333f4 |
1234 | fixfargs(int name, int arg, int prevargs) |
a687059c |
1235 | { |
1236 | int type; |
1237 | STR *str; |
b7953727 |
1238 | int numargs = 0; |
a687059c |
1239 | |
1240 | if (!arg) |
1241 | return prevargs; |
1242 | type = ops[arg].ival & 255; |
1243 | if (type == OCOMMA) { |
1244 | numargs = fixfargs(name,ops[arg+1].ival,prevargs); |
1245 | numargs = fixfargs(name,ops[arg+3].ival,numargs); |
1246 | } |
1247 | else if (type == OVAR) { |
1248 | str = hfetch(curarghash,ops[ops[arg+1].ival+1].cval); |
1249 | if (strEQ(str_get(str),"*")) { |
1250 | char tmpbuf[128]; |
1251 | |
1252 | str_set(str,""); /* in case another routine has this */ |
1253 | ops[arg].ival &= ~255; |
1254 | ops[arg].ival |= OSTAR; |
1255 | sprintf(tmpbuf,"%s:%d",ops[name+1].cval,prevargs); |
1256 | fprintf(stderr,"Adding %s\n",tmpbuf); |
1257 | str = str_new(0); |
1258 | str_set(str,"*"); |
1259 | hstore(curarghash,tmpbuf,str); |
1260 | } |
1261 | numargs = prevargs + 1; |
1262 | } |
1263 | else |
1264 | fatal("panic: unknown argument type %d, arg %d, line %d\n", |
39c3038c |
1265 | type,prevargs+1,line); |
a687059c |
1266 | return numargs; |
1267 | } |
1268 | |
748a9306 |
1269 | int |
f0f333f4 |
1270 | fixrargs(char *name, int arg, int prevargs) |
a687059c |
1271 | { |
1272 | int type; |
1273 | STR *str; |
1274 | int numargs; |
1275 | |
1276 | if (!arg) |
1277 | return prevargs; |
1278 | type = ops[arg].ival & 255; |
1279 | if (type == OCOMMA) { |
1280 | numargs = fixrargs(name,ops[arg+1].ival,prevargs); |
1281 | numargs = fixrargs(name,ops[arg+3].ival,numargs); |
1282 | } |
1283 | else { |
f0f333f4 |
1284 | char *tmpbuf = (char *) safemalloc(strlen(name) + (sizeof(prevargs) * 3) + 5); |
a687059c |
1285 | sprintf(tmpbuf,"%s:%d",name,prevargs); |
1286 | str = hfetch(curarghash,tmpbuf); |
ece629c6 |
1287 | safefree(tmpbuf); |
a687059c |
1288 | if (str && strEQ(str->str_ptr,"*")) { |
1289 | if (type == OVAR || type == OSTAR) { |
1290 | ops[arg].ival &= ~255; |
1291 | ops[arg].ival |= OSTAR; |
1292 | } |
1293 | else |
1294 | fatal("Can't pass expression by reference as arg %d of %s\n", |
1295 | prevargs+1, name); |
1296 | } |
1297 | numargs = prevargs + 1; |
1298 | } |
1299 | return numargs; |
1300 | } |