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79072805 |
1 | /* $RCSfile: a2py.c,v $$Revision: 4.1 $$Date: 92/08/07 18:29:14 $ |
a687059c |
2 | * |
4bb101f2 |
3 | * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
4 | * 2000, 2001, 2002, by Larry Wall and others |
a687059c |
5 | * |
2b317908 |
6 | * You may distribute under the terms of either the GNU General Public |
7 | * License or the Artistic License, as specified in the README file. |
8d063cd8 |
8 | * |
9 | * $Log: a2py.c,v $ |
8d063cd8 |
10 | */ |
11 | |
2986a63f |
12 | #if defined(OS2) || defined(WIN32) || defined(NETWARE) |
2c5424a7 |
13 | #if defined(WIN32) |
14 | #include <io.h> |
15 | #endif |
2986a63f |
16 | #if defined(NETWARE) |
17 | #include "../netware/clibstuf.h" |
18 | #endif |
bf10efe7 |
19 | #include "../patchlevel.h" |
39c3038c |
20 | #endif |
8d063cd8 |
21 | #include "util.h" |
8d063cd8 |
22 | |
23 | char *filename; |
39c3038c |
24 | char *myname; |
8d063cd8 |
25 | |
378cc40b |
26 | int checkers = 0; |
748a9306 |
27 | |
f0f333f4 |
28 | int oper0(int type); |
29 | int oper1(int type, int arg1); |
30 | int oper2(int type, int arg1, int arg2); |
31 | int oper3(int type, int arg1, int arg2, int arg3); |
32 | int oper4(int type, int arg1, int arg2, int arg3, int arg4); |
33 | int oper5(int type, int arg1, int arg2, int arg3, int arg4, int arg5); |
34 | STR *walk(int useval, int level, register int node, int *numericptr, int minprec); |
011f1a1a |
35 | #ifdef NETWARE |
36 | char *savestr(char *str); |
37 | char *cpy2(register char *to, register char *from, register int delim); |
38 | #endif |
378cc40b |
39 | |
2986a63f |
40 | #if defined(OS2) || defined(WIN32) || defined(NETWARE) |
d07c2202 |
41 | static void usage(void); |
42 | |
9607fc9c |
43 | static void |
39c3038c |
44 | usage() |
45 | { |
cceca5ed |
46 | printf("\nThis is the AWK to PERL translator, revision %d.0, version %d\n", PERL_REVISION, PERL_VERSION); |
39c3038c |
47 | printf("\nUsage: %s [-D<number>] [-F<char>] [-n<fieldlist>] [-<number>] filename\n", myname); |
48 | printf("\n -D<number> sets debugging flags." |
49 | "\n -F<character> the awk script to translate is always invoked with" |
50 | "\n this -F switch." |
51 | "\n -n<fieldlist> specifies the names of the input fields if input does" |
52 | "\n not have to be split into an array." |
53 | "\n -<number> causes a2p to assume that input will always have that" |
54 | "\n many fields.\n"); |
55 | exit(1); |
56 | } |
57 | #endif |
9607fc9c |
58 | |
24801a4b |
59 | #ifdef __osf__ |
60 | #pragma message disable (mainparm) /* We have the envp in main(). */ |
61 | #endif |
62 | |
9607fc9c |
63 | int |
f0f333f4 |
64 | main(register int argc, register char **argv, register char **env) |
8d063cd8 |
65 | { |
66 | register STR *str; |
8d063cd8 |
67 | int i; |
8d063cd8 |
68 | STR *tmpstr; |
011f1a1a |
69 | /* char *namelist; */ |
8d063cd8 |
70 | |
2986a63f |
71 | #ifdef NETWARE |
cb69f87a |
72 | fnInitGpfGlobals(); /* For importing the CLIB calls in place of Watcom calls */ |
2986a63f |
73 | #endif /* NETWARE */ |
74 | |
39c3038c |
75 | myname = argv[0]; |
8d063cd8 |
76 | linestr = str_new(80); |
77 | str = str_new(0); /* first used for -I flags */ |
78 | for (argc--,argv++; argc; argc--,argv++) { |
79 | if (argv[0][0] != '-' || !argv[0][1]) |
80 | break; |
8d063cd8 |
81 | switch (argv[0][1]) { |
82 | #ifdef DEBUGGING |
83 | case 'D': |
84 | debug = atoi(argv[0]+2); |
9d116dd7 |
85 | #if YYDEBUG |
8d063cd8 |
86 | yydebug = (debug & 1); |
87 | #endif |
88 | break; |
89 | #endif |
90 | case '0': case '1': case '2': case '3': case '4': |
91 | case '5': case '6': case '7': case '8': case '9': |
92 | maxfld = atoi(argv[0]+1); |
93 | absmaxfld = TRUE; |
94 | break; |
95 | case 'F': |
96 | fswitch = argv[0][2]; |
97 | break; |
98 | case 'n': |
99 | namelist = savestr(argv[0]+2); |
100 | break; |
a5571d59 |
101 | case 'o': |
102 | old_awk = TRUE; |
103 | break; |
8d063cd8 |
104 | case '-': |
105 | argc--,argv++; |
106 | goto switch_end; |
107 | case 0: |
108 | break; |
109 | default: |
2986a63f |
110 | #if defined(OS2) || defined(WIN32) || defined(NETWARE) |
d07c2202 |
111 | fprintf(stderr, "Unrecognized switch: %s\n",argv[0]); |
39c3038c |
112 | usage(); |
d07c2202 |
113 | #else |
114 | fatal("Unrecognized switch: %s\n",argv[0]); |
39c3038c |
115 | #endif |
8d063cd8 |
116 | } |
117 | } |
118 | switch_end: |
119 | |
120 | /* open script */ |
121 | |
39c3038c |
122 | if (argv[0] == Nullch) { |
2986a63f |
123 | #if defined(OS2) || defined(WIN32) || defined(NETWARE) |
39c3038c |
124 | if ( isatty(fileno(stdin)) ) |
125 | usage(); |
126 | #endif |
127 | argv[0] = "-"; |
128 | } |
129 | filename = savestr(argv[0]); |
130 | |
8d063cd8 |
131 | filename = savestr(argv[0]); |
132 | if (strEQ(filename,"-")) |
133 | argv[0] = ""; |
134 | if (!*argv[0]) |
135 | rsfp = stdin; |
136 | else |
137 | rsfp = fopen(argv[0],"r"); |
138 | if (rsfp == Nullfp) |
139 | fatal("Awk script \"%s\" doesn't seem to exist.\n",filename); |
140 | |
141 | /* init tokener */ |
142 | |
143 | bufptr = str_get(linestr); |
144 | symtab = hnew(); |
a687059c |
145 | curarghash = hnew(); |
8d063cd8 |
146 | |
147 | /* now parse the report spec */ |
148 | |
149 | if (yyparse()) |
150 | fatal("Translation aborted due to syntax errors.\n"); |
151 | |
152 | #ifdef DEBUGGING |
153 | if (debug & 2) { |
154 | int type, len; |
155 | |
156 | for (i=1; i<mop;) { |
157 | type = ops[i].ival; |
158 | len = type >> 8; |
159 | type &= 255; |
160 | printf("%d\t%d\t%d\t%-10s",i++,type,len,opname[type]); |
161 | if (type == OSTRING) |
162 | printf("\t\"%s\"\n",ops[i].cval),i++; |
163 | else { |
164 | while (len--) { |
165 | printf("\t%d",ops[i].ival),i++; |
166 | } |
167 | putchar('\n'); |
168 | } |
169 | } |
170 | } |
171 | if (debug & 8) |
172 | dump(root); |
173 | #endif |
174 | |
175 | /* first pass to look for numeric variables */ |
176 | |
177 | prewalk(0,0,root,&i); |
178 | |
179 | /* second pass to produce new program */ |
180 | |
a687059c |
181 | tmpstr = walk(0,0,root,&i,P_MIN); |
207d4cd0 |
182 | str = str_make(STARTPERL); |
5f05dabc |
183 | str_cat(str, "\neval 'exec "); |
184 | str_cat(str, BIN); |
185 | str_cat(str, "/perl -S $0 ${1+\"$@\"}'\n\ |
378cc40b |
186 | if $running_under_some_shell;\n\ |
187 | # this emulates #! processing on NIH machines.\n\ |
188 | # (remove #! line above if indigestible)\n\n"); |
a559c259 |
189 | str_cat(str, |
a0d0e21e |
190 | "eval '$'.$1.'$2;' while $ARGV[0] =~ /^([A-Za-z_0-9]+=)(.*)/ && shift;\n"); |
a559c259 |
191 | str_cat(str, |
192 | " # process any FOO=bar switches\n\n"); |
8d063cd8 |
193 | if (do_opens && opens) { |
194 | str_scat(str,opens); |
195 | str_free(opens); |
196 | str_cat(str,"\n"); |
197 | } |
198 | str_scat(str,tmpstr); |
199 | str_free(tmpstr); |
200 | #ifdef DEBUGGING |
201 | if (!(debug & 16)) |
202 | #endif |
203 | fixup(str); |
204 | putlines(str); |
378cc40b |
205 | if (checkers) { |
206 | fprintf(stderr, |
207 | "Please check my work on the %d line%s I've marked with \"#???\".\n", |
208 | checkers, checkers == 1 ? "" : "s" ); |
209 | fprintf(stderr, |
210 | "The operation I've selected may be wrong for the operand types.\n"); |
211 | } |
8d063cd8 |
212 | exit(0); |
c5cf9ec2 |
213 | /* by ANSI specs return is needed. This also shuts up VC++ and his warnings */ |
214 | return(0); |
8d063cd8 |
215 | } |
216 | |
217 | #define RETURN(retval) return (bufptr = s,retval) |
218 | #define XTERM(retval) return (expectterm = TRUE,bufptr = s,retval) |
219 | #define XOP(retval) return (expectterm = FALSE,bufptr = s,retval) |
a687059c |
220 | #define ID(x) return (yylval=string(x,0),expectterm = FALSE,bufptr = s,idtype) |
221 | |
222 | int idtype; |
8d063cd8 |
223 | |
748a9306 |
224 | int |
f0f333f4 |
225 | yylex(void) |
8d063cd8 |
226 | { |
227 | register char *s = bufptr; |
228 | register char *d; |
229 | register int tmp; |
230 | |
231 | retry: |
9d116dd7 |
232 | #if YYDEBUG |
b7953727 |
233 | if (yydebug) { |
a0d0e21e |
234 | if (strchr(s,'\n')) |
8d063cd8 |
235 | fprintf(stderr,"Tokener at %s",s); |
236 | else |
237 | fprintf(stderr,"Tokener at %s\n",s); |
b7953727 |
238 | } |
8d063cd8 |
239 | #endif |
240 | switch (*s) { |
241 | default: |
242 | fprintf(stderr, |
243 | "Unrecognized character %c in file %s line %d--ignoring.\n", |
244 | *s++,filename,line); |
245 | goto retry; |
246 | case '\\': |
bf10efe7 |
247 | s++; |
248 | if (*s && *s != '\n') { |
249 | yyerror("Ignoring spurious backslash"); |
250 | goto retry; |
251 | } |
252 | /*FALLSTHROUGH*/ |
8d063cd8 |
253 | case 0: |
254 | s = str_get(linestr); |
255 | *s = '\0'; |
256 | if (!rsfp) |
257 | RETURN(0); |
258 | line++; |
259 | if ((s = str_gets(linestr, rsfp)) == Nullch) { |
260 | if (rsfp != stdin) |
261 | fclose(rsfp); |
262 | rsfp = Nullfp; |
263 | s = str_get(linestr); |
264 | RETURN(0); |
265 | } |
266 | goto retry; |
267 | case ' ': case '\t': |
268 | s++; |
269 | goto retry; |
270 | case '\n': |
271 | *s = '\0'; |
272 | XTERM(NEWLINE); |
273 | case '#': |
274 | yylval = string(s,0); |
275 | *s = '\0'; |
276 | XTERM(COMMENT); |
277 | case ';': |
278 | tmp = *s++; |
279 | if (*s == '\n') { |
280 | s++; |
281 | XTERM(SEMINEW); |
282 | } |
283 | XTERM(tmp); |
284 | case '(': |
a687059c |
285 | tmp = *s++; |
286 | XTERM(tmp); |
8d063cd8 |
287 | case '{': |
288 | case '[': |
289 | case ')': |
290 | case ']': |
a687059c |
291 | case '?': |
292 | case ':': |
8d063cd8 |
293 | tmp = *s++; |
294 | XOP(tmp); |
9d116dd7 |
295 | #ifdef EBCDIC |
296 | case 7: |
297 | #else |
8d063cd8 |
298 | case 127: |
9d116dd7 |
299 | #endif |
8d063cd8 |
300 | s++; |
301 | XTERM('}'); |
302 | case '}': |
3f939f22 |
303 | for (d = s + 1; isSPACE(*d); d++) ; |
8d063cd8 |
304 | if (!*d) |
305 | s = d - 1; |
306 | *s = 127; |
307 | XTERM(';'); |
308 | case ',': |
309 | tmp = *s++; |
310 | XTERM(tmp); |
311 | case '~': |
312 | s++; |
378cc40b |
313 | yylval = string("~",1); |
8d063cd8 |
314 | XTERM(MATCHOP); |
315 | case '+': |
316 | case '-': |
317 | if (s[1] == *s) { |
318 | s++; |
319 | if (*s++ == '+') |
320 | XTERM(INCR); |
321 | else |
322 | XTERM(DECR); |
323 | } |
324 | /* FALL THROUGH */ |
325 | case '*': |
326 | case '%': |
a687059c |
327 | case '^': |
8d063cd8 |
328 | tmp = *s++; |
329 | if (*s == '=') { |
a687059c |
330 | if (tmp == '^') |
331 | yylval = string("**=",3); |
332 | else |
333 | yylval = string(s-1,2); |
8d063cd8 |
334 | s++; |
335 | XTERM(ASGNOP); |
336 | } |
337 | XTERM(tmp); |
338 | case '&': |
339 | s++; |
340 | tmp = *s++; |
341 | if (tmp == '&') |
342 | XTERM(ANDAND); |
343 | s--; |
344 | XTERM('&'); |
345 | case '|': |
346 | s++; |
347 | tmp = *s++; |
348 | if (tmp == '|') |
349 | XTERM(OROR); |
350 | s--; |
a687059c |
351 | while (*s == ' ' || *s == '\t') |
352 | s++; |
353 | if (strnEQ(s,"getline",7)) |
354 | XTERM('p'); |
355 | else |
356 | XTERM('|'); |
8d063cd8 |
357 | case '=': |
358 | s++; |
359 | tmp = *s++; |
360 | if (tmp == '=') { |
361 | yylval = string("==",2); |
362 | XTERM(RELOP); |
363 | } |
364 | s--; |
365 | yylval = string("=",1); |
366 | XTERM(ASGNOP); |
367 | case '!': |
368 | s++; |
369 | tmp = *s++; |
370 | if (tmp == '=') { |
371 | yylval = string("!=",2); |
372 | XTERM(RELOP); |
373 | } |
374 | if (tmp == '~') { |
375 | yylval = string("!~",2); |
376 | XTERM(MATCHOP); |
377 | } |
378 | s--; |
379 | XTERM(NOT); |
380 | case '<': |
381 | s++; |
382 | tmp = *s++; |
383 | if (tmp == '=') { |
384 | yylval = string("<=",2); |
385 | XTERM(RELOP); |
386 | } |
387 | s--; |
a687059c |
388 | XTERM('<'); |
8d063cd8 |
389 | case '>': |
390 | s++; |
391 | tmp = *s++; |
378cc40b |
392 | if (tmp == '>') { |
393 | yylval = string(">>",2); |
394 | XTERM(GRGR); |
395 | } |
8d063cd8 |
396 | if (tmp == '=') { |
397 | yylval = string(">=",2); |
398 | XTERM(RELOP); |
399 | } |
400 | s--; |
a687059c |
401 | XTERM('>'); |
8d063cd8 |
402 | |
403 | #define SNARFWORD \ |
404 | d = tokenbuf; \ |
3f939f22 |
405 | while (isALPHA(*s) || isDIGIT(*s) || *s == '_') \ |
8d063cd8 |
406 | *d++ = *s++; \ |
407 | *d = '\0'; \ |
a687059c |
408 | d = tokenbuf; \ |
409 | if (*s == '(') \ |
410 | idtype = USERFUN; \ |
411 | else \ |
412 | idtype = VAR; |
8d063cd8 |
413 | |
414 | case '$': |
415 | s++; |
416 | if (*s == '0') { |
417 | s++; |
418 | do_chop = TRUE; |
419 | need_entire = TRUE; |
a687059c |
420 | idtype = VAR; |
8d063cd8 |
421 | ID("0"); |
422 | } |
423 | do_split = TRUE; |
3f939f22 |
424 | if (isDIGIT(*s)) { |
425 | for (d = s; isDIGIT(*s); s++) ; |
8d063cd8 |
426 | yylval = string(d,s-d); |
427 | tmp = atoi(d); |
428 | if (tmp > maxfld) |
429 | maxfld = tmp; |
430 | XOP(FIELD); |
431 | } |
432 | split_to_array = set_array_base = TRUE; |
433 | XOP(VFIELD); |
434 | |
435 | case '/': /* may either be division or pattern */ |
436 | if (expectterm) { |
437 | s = scanpat(s); |
438 | XTERM(REGEX); |
439 | } |
440 | tmp = *s++; |
441 | if (*s == '=') { |
442 | yylval = string("/=",2); |
443 | s++; |
444 | XTERM(ASGNOP); |
445 | } |
446 | XTERM(tmp); |
447 | |
448 | case '0': case '1': case '2': case '3': case '4': |
a687059c |
449 | case '5': case '6': case '7': case '8': case '9': case '.': |
8d063cd8 |
450 | s = scannum(s); |
451 | XOP(NUMBER); |
452 | case '"': |
453 | s++; |
454 | s = cpy2(tokenbuf,s,s[-1]); |
455 | if (!*s) |
456 | fatal("String not terminated:\n%s",str_get(linestr)); |
457 | s++; |
458 | yylval = string(tokenbuf,0); |
459 | XOP(STRING); |
460 | |
461 | case 'a': case 'A': |
462 | SNARFWORD; |
a687059c |
463 | if (strEQ(d,"ARGC")) |
464 | set_array_base = TRUE; |
465 | if (strEQ(d,"ARGV")) { |
466 | yylval=numary(string("ARGV",0)); |
467 | XOP(VAR); |
468 | } |
469 | if (strEQ(d,"atan2")) { |
470 | yylval = OATAN2; |
471 | XTERM(FUNN); |
472 | } |
8d063cd8 |
473 | ID(d); |
474 | case 'b': case 'B': |
475 | SNARFWORD; |
476 | if (strEQ(d,"break")) |
477 | XTERM(BREAK); |
478 | if (strEQ(d,"BEGIN")) |
479 | XTERM(BEGIN); |
480 | ID(d); |
481 | case 'c': case 'C': |
482 | SNARFWORD; |
483 | if (strEQ(d,"continue")) |
484 | XTERM(CONTINUE); |
a687059c |
485 | if (strEQ(d,"cos")) { |
486 | yylval = OCOS; |
487 | XTERM(FUN1); |
488 | } |
489 | if (strEQ(d,"close")) { |
490 | do_fancy_opens = 1; |
491 | yylval = OCLOSE; |
492 | XTERM(FUN1); |
493 | } |
494 | if (strEQ(d,"chdir")) |
3f939f22 |
495 | *d = toUPPER(*d); |
a687059c |
496 | else if (strEQ(d,"crypt")) |
3f939f22 |
497 | *d = toUPPER(*d); |
a687059c |
498 | else if (strEQ(d,"chop")) |
3f939f22 |
499 | *d = toUPPER(*d); |
a687059c |
500 | else if (strEQ(d,"chmod")) |
3f939f22 |
501 | *d = toUPPER(*d); |
a687059c |
502 | else if (strEQ(d,"chown")) |
3f939f22 |
503 | *d = toUPPER(*d); |
8d063cd8 |
504 | ID(d); |
505 | case 'd': case 'D': |
506 | SNARFWORD; |
a687059c |
507 | if (strEQ(d,"do")) |
508 | XTERM(DO); |
509 | if (strEQ(d,"delete")) |
510 | XTERM(DELETE); |
511 | if (strEQ(d,"die")) |
3f939f22 |
512 | *d = toUPPER(*d); |
8d063cd8 |
513 | ID(d); |
514 | case 'e': case 'E': |
515 | SNARFWORD; |
516 | if (strEQ(d,"END")) |
517 | XTERM(END); |
518 | if (strEQ(d,"else")) |
519 | XTERM(ELSE); |
520 | if (strEQ(d,"exit")) { |
521 | saw_line_op = TRUE; |
522 | XTERM(EXIT); |
523 | } |
524 | if (strEQ(d,"exp")) { |
525 | yylval = OEXP; |
526 | XTERM(FUN1); |
527 | } |
a687059c |
528 | if (strEQ(d,"elsif")) |
3f939f22 |
529 | *d = toUPPER(*d); |
a687059c |
530 | else if (strEQ(d,"eq")) |
3f939f22 |
531 | *d = toUPPER(*d); |
a687059c |
532 | else if (strEQ(d,"eval")) |
3f939f22 |
533 | *d = toUPPER(*d); |
a687059c |
534 | else if (strEQ(d,"eof")) |
3f939f22 |
535 | *d = toUPPER(*d); |
a687059c |
536 | else if (strEQ(d,"each")) |
3f939f22 |
537 | *d = toUPPER(*d); |
a687059c |
538 | else if (strEQ(d,"exec")) |
3f939f22 |
539 | *d = toUPPER(*d); |
8d063cd8 |
540 | ID(d); |
541 | case 'f': case 'F': |
542 | SNARFWORD; |
543 | if (strEQ(d,"FS")) { |
544 | saw_FS++; |
545 | if (saw_FS == 1 && in_begin) { |
3f939f22 |
546 | for (d = s; *d && isSPACE(*d); d++) ; |
8d063cd8 |
547 | if (*d == '=') { |
3f939f22 |
548 | for (d++; *d && isSPACE(*d); d++) ; |
8d063cd8 |
549 | if (*d == '"' && d[2] == '"') |
550 | const_FS = d[1]; |
551 | } |
552 | } |
553 | ID(tokenbuf); |
554 | } |
8d063cd8 |
555 | if (strEQ(d,"for")) |
556 | XTERM(FOR); |
a687059c |
557 | else if (strEQ(d,"function")) |
558 | XTERM(FUNCTION); |
559 | if (strEQ(d,"FILENAME")) |
560 | d = "ARGV"; |
561 | if (strEQ(d,"foreach")) |
3f939f22 |
562 | *d = toUPPER(*d); |
a687059c |
563 | else if (strEQ(d,"format")) |
3f939f22 |
564 | *d = toUPPER(*d); |
a687059c |
565 | else if (strEQ(d,"fork")) |
3f939f22 |
566 | *d = toUPPER(*d); |
a687059c |
567 | else if (strEQ(d,"fh")) |
3f939f22 |
568 | *d = toUPPER(*d); |
8d063cd8 |
569 | ID(d); |
570 | case 'g': case 'G': |
571 | SNARFWORD; |
572 | if (strEQ(d,"getline")) |
573 | XTERM(GETLINE); |
a687059c |
574 | if (strEQ(d,"gsub")) |
575 | XTERM(GSUB); |
576 | if (strEQ(d,"ge")) |
3f939f22 |
577 | *d = toUPPER(*d); |
a687059c |
578 | else if (strEQ(d,"gt")) |
3f939f22 |
579 | *d = toUPPER(*d); |
a687059c |
580 | else if (strEQ(d,"goto")) |
3f939f22 |
581 | *d = toUPPER(*d); |
a687059c |
582 | else if (strEQ(d,"gmtime")) |
3f939f22 |
583 | *d = toUPPER(*d); |
8d063cd8 |
584 | ID(d); |
585 | case 'h': case 'H': |
586 | SNARFWORD; |
a687059c |
587 | if (strEQ(d,"hex")) |
3f939f22 |
588 | *d = toUPPER(*d); |
8d063cd8 |
589 | ID(d); |
590 | case 'i': case 'I': |
591 | SNARFWORD; |
592 | if (strEQ(d,"if")) |
593 | XTERM(IF); |
594 | if (strEQ(d,"in")) |
595 | XTERM(IN); |
596 | if (strEQ(d,"index")) { |
597 | set_array_base = TRUE; |
598 | XTERM(INDEX); |
599 | } |
600 | if (strEQ(d,"int")) { |
601 | yylval = OINT; |
602 | XTERM(FUN1); |
603 | } |
604 | ID(d); |
605 | case 'j': case 'J': |
606 | SNARFWORD; |
a687059c |
607 | if (strEQ(d,"join")) |
3f939f22 |
608 | *d = toUPPER(*d); |
8d063cd8 |
609 | ID(d); |
610 | case 'k': case 'K': |
611 | SNARFWORD; |
a687059c |
612 | if (strEQ(d,"keys")) |
3f939f22 |
613 | *d = toUPPER(*d); |
a687059c |
614 | else if (strEQ(d,"kill")) |
3f939f22 |
615 | *d = toUPPER(*d); |
8d063cd8 |
616 | ID(d); |
617 | case 'l': case 'L': |
618 | SNARFWORD; |
619 | if (strEQ(d,"length")) { |
620 | yylval = OLENGTH; |
621 | XTERM(FUN1); |
622 | } |
623 | if (strEQ(d,"log")) { |
624 | yylval = OLOG; |
625 | XTERM(FUN1); |
626 | } |
a687059c |
627 | if (strEQ(d,"last")) |
3f939f22 |
628 | *d = toUPPER(*d); |
a687059c |
629 | else if (strEQ(d,"local")) |
3f939f22 |
630 | *d = toUPPER(*d); |
a687059c |
631 | else if (strEQ(d,"lt")) |
3f939f22 |
632 | *d = toUPPER(*d); |
a687059c |
633 | else if (strEQ(d,"le")) |
3f939f22 |
634 | *d = toUPPER(*d); |
a687059c |
635 | else if (strEQ(d,"locatime")) |
3f939f22 |
636 | *d = toUPPER(*d); |
a687059c |
637 | else if (strEQ(d,"link")) |
3f939f22 |
638 | *d = toUPPER(*d); |
8d063cd8 |
639 | ID(d); |
640 | case 'm': case 'M': |
641 | SNARFWORD; |
a687059c |
642 | if (strEQ(d,"match")) { |
643 | set_array_base = TRUE; |
644 | XTERM(MATCH); |
645 | } |
646 | if (strEQ(d,"m")) |
3f939f22 |
647 | *d = toUPPER(*d); |
8d063cd8 |
648 | ID(d); |
649 | case 'n': case 'N': |
650 | SNARFWORD; |
651 | if (strEQ(d,"NF")) |
87250799 |
652 | do_chop = do_split = split_to_array = set_array_base = TRUE; |
8d063cd8 |
653 | if (strEQ(d,"next")) { |
654 | saw_line_op = TRUE; |
655 | XTERM(NEXT); |
656 | } |
a687059c |
657 | if (strEQ(d,"ne")) |
3f939f22 |
658 | *d = toUPPER(*d); |
8d063cd8 |
659 | ID(d); |
660 | case 'o': case 'O': |
661 | SNARFWORD; |
662 | if (strEQ(d,"ORS")) { |
663 | saw_ORS = TRUE; |
a687059c |
664 | d = "\\"; |
8d063cd8 |
665 | } |
666 | if (strEQ(d,"OFS")) { |
667 | saw_OFS = TRUE; |
a687059c |
668 | d = ","; |
8d063cd8 |
669 | } |
670 | if (strEQ(d,"OFMT")) { |
a687059c |
671 | d = "#"; |
8d063cd8 |
672 | } |
a687059c |
673 | if (strEQ(d,"open")) |
3f939f22 |
674 | *d = toUPPER(*d); |
a687059c |
675 | else if (strEQ(d,"ord")) |
3f939f22 |
676 | *d = toUPPER(*d); |
a687059c |
677 | else if (strEQ(d,"oct")) |
3f939f22 |
678 | *d = toUPPER(*d); |
8d063cd8 |
679 | ID(d); |
680 | case 'p': case 'P': |
681 | SNARFWORD; |
682 | if (strEQ(d,"print")) { |
683 | XTERM(PRINT); |
684 | } |
685 | if (strEQ(d,"printf")) { |
686 | XTERM(PRINTF); |
687 | } |
a687059c |
688 | if (strEQ(d,"push")) |
3f939f22 |
689 | *d = toUPPER(*d); |
a687059c |
690 | else if (strEQ(d,"pop")) |
3f939f22 |
691 | *d = toUPPER(*d); |
8d063cd8 |
692 | ID(d); |
693 | case 'q': case 'Q': |
694 | SNARFWORD; |
695 | ID(d); |
696 | case 'r': case 'R': |
697 | SNARFWORD; |
698 | if (strEQ(d,"RS")) { |
a687059c |
699 | d = "/"; |
8d063cd8 |
700 | saw_RS = TRUE; |
701 | } |
a687059c |
702 | if (strEQ(d,"rand")) { |
703 | yylval = ORAND; |
704 | XTERM(FUN1); |
705 | } |
706 | if (strEQ(d,"return")) |
707 | XTERM(RET); |
708 | if (strEQ(d,"reset")) |
3f939f22 |
709 | *d = toUPPER(*d); |
a687059c |
710 | else if (strEQ(d,"redo")) |
3f939f22 |
711 | *d = toUPPER(*d); |
a687059c |
712 | else if (strEQ(d,"rename")) |
3f939f22 |
713 | *d = toUPPER(*d); |
8d063cd8 |
714 | ID(d); |
715 | case 's': case 'S': |
716 | SNARFWORD; |
717 | if (strEQ(d,"split")) { |
718 | set_array_base = TRUE; |
719 | XOP(SPLIT); |
720 | } |
721 | if (strEQ(d,"substr")) { |
722 | set_array_base = TRUE; |
723 | XTERM(SUBSTR); |
724 | } |
a687059c |
725 | if (strEQ(d,"sub")) |
726 | XTERM(SUB); |
2efaeb47 |
727 | if (strEQ(d,"sprintf")) { |
728 | /* In old awk, { print sprintf("str%sg"),"in" } prints |
729 | * "string"; in new awk, "in" is not considered an argument to |
730 | * sprintf, so the statement breaks. To support both, the |
731 | * grammar treats arguments to SPRINTF_OLD like old awk, |
732 | * SPRINTF_NEW like new. Here we return the appropriate one. |
733 | */ |
734 | XTERM(old_awk ? SPRINTF_OLD : SPRINTF_NEW); |
735 | } |
8d063cd8 |
736 | if (strEQ(d,"sqrt")) { |
737 | yylval = OSQRT; |
738 | XTERM(FUN1); |
739 | } |
a687059c |
740 | if (strEQ(d,"SUBSEP")) { |
741 | d = ";"; |
742 | } |
743 | if (strEQ(d,"sin")) { |
744 | yylval = OSIN; |
745 | XTERM(FUN1); |
746 | } |
747 | if (strEQ(d,"srand")) { |
748 | yylval = OSRAND; |
749 | XTERM(FUN1); |
750 | } |
751 | if (strEQ(d,"system")) { |
752 | yylval = OSYSTEM; |
753 | XTERM(FUN1); |
754 | } |
755 | if (strEQ(d,"s")) |
3f939f22 |
756 | *d = toUPPER(*d); |
a687059c |
757 | else if (strEQ(d,"shift")) |
3f939f22 |
758 | *d = toUPPER(*d); |
a687059c |
759 | else if (strEQ(d,"select")) |
3f939f22 |
760 | *d = toUPPER(*d); |
a687059c |
761 | else if (strEQ(d,"seek")) |
3f939f22 |
762 | *d = toUPPER(*d); |
a687059c |
763 | else if (strEQ(d,"stat")) |
3f939f22 |
764 | *d = toUPPER(*d); |
a687059c |
765 | else if (strEQ(d,"study")) |
3f939f22 |
766 | *d = toUPPER(*d); |
a687059c |
767 | else if (strEQ(d,"sleep")) |
3f939f22 |
768 | *d = toUPPER(*d); |
a687059c |
769 | else if (strEQ(d,"symlink")) |
3f939f22 |
770 | *d = toUPPER(*d); |
a687059c |
771 | else if (strEQ(d,"sort")) |
3f939f22 |
772 | *d = toUPPER(*d); |
8d063cd8 |
773 | ID(d); |
774 | case 't': case 'T': |
775 | SNARFWORD; |
a687059c |
776 | if (strEQ(d,"tr")) |
3f939f22 |
777 | *d = toUPPER(*d); |
a687059c |
778 | else if (strEQ(d,"tell")) |
3f939f22 |
779 | *d = toUPPER(*d); |
a687059c |
780 | else if (strEQ(d,"time")) |
3f939f22 |
781 | *d = toUPPER(*d); |
a687059c |
782 | else if (strEQ(d,"times")) |
3f939f22 |
783 | *d = toUPPER(*d); |
8d063cd8 |
784 | ID(d); |
785 | case 'u': case 'U': |
786 | SNARFWORD; |
a687059c |
787 | if (strEQ(d,"until")) |
3f939f22 |
788 | *d = toUPPER(*d); |
a687059c |
789 | else if (strEQ(d,"unless")) |
3f939f22 |
790 | *d = toUPPER(*d); |
a687059c |
791 | else if (strEQ(d,"umask")) |
3f939f22 |
792 | *d = toUPPER(*d); |
a687059c |
793 | else if (strEQ(d,"unshift")) |
3f939f22 |
794 | *d = toUPPER(*d); |
a687059c |
795 | else if (strEQ(d,"unlink")) |
3f939f22 |
796 | *d = toUPPER(*d); |
a687059c |
797 | else if (strEQ(d,"utime")) |
3f939f22 |
798 | *d = toUPPER(*d); |
8d063cd8 |
799 | ID(d); |
800 | case 'v': case 'V': |
801 | SNARFWORD; |
a687059c |
802 | if (strEQ(d,"values")) |
3f939f22 |
803 | *d = toUPPER(*d); |
8d063cd8 |
804 | ID(d); |
805 | case 'w': case 'W': |
806 | SNARFWORD; |
807 | if (strEQ(d,"while")) |
808 | XTERM(WHILE); |
a687059c |
809 | if (strEQ(d,"write")) |
3f939f22 |
810 | *d = toUPPER(*d); |
a687059c |
811 | else if (strEQ(d,"wait")) |
3f939f22 |
812 | *d = toUPPER(*d); |
8d063cd8 |
813 | ID(d); |
814 | case 'x': case 'X': |
815 | SNARFWORD; |
a687059c |
816 | if (strEQ(d,"x")) |
3f939f22 |
817 | *d = toUPPER(*d); |
8d063cd8 |
818 | ID(d); |
819 | case 'y': case 'Y': |
820 | SNARFWORD; |
a687059c |
821 | if (strEQ(d,"y")) |
3f939f22 |
822 | *d = toUPPER(*d); |
8d063cd8 |
823 | ID(d); |
824 | case 'z': case 'Z': |
825 | SNARFWORD; |
826 | ID(d); |
827 | } |
828 | } |
829 | |
830 | char * |
f0f333f4 |
831 | scanpat(register char *s) |
8d063cd8 |
832 | { |
833 | register char *d; |
834 | |
835 | switch (*s++) { |
836 | case '/': |
837 | break; |
838 | default: |
839 | fatal("Search pattern not found:\n%s",str_get(linestr)); |
840 | } |
378cc40b |
841 | |
842 | d = tokenbuf; |
843 | for (; *s; s++,d++) { |
844 | if (*s == '\\') { |
845 | if (s[1] == '/') |
846 | *d++ = *s++; |
847 | else if (s[1] == '\\') |
848 | *d++ = *s++; |
bf10efe7 |
849 | else if (s[1] == '[') |
850 | *d++ = *s++; |
378cc40b |
851 | } |
852 | else if (*s == '[') { |
853 | *d++ = *s++; |
854 | do { |
855 | if (*s == '\\' && s[1]) |
856 | *d++ = *s++; |
857 | if (*s == '/' || (*s == '-' && s[1] == ']')) |
858 | *d++ = '\\'; |
859 | *d++ = *s++; |
860 | } while (*s && *s != ']'); |
861 | } |
862 | else if (*s == '/') |
863 | break; |
864 | *d = *s; |
865 | } |
866 | *d = '\0'; |
867 | |
8d063cd8 |
868 | if (!*s) |
869 | fatal("Search pattern not terminated:\n%s",str_get(linestr)); |
870 | s++; |
871 | yylval = string(tokenbuf,0); |
872 | return s; |
873 | } |
874 | |
75f92628 |
875 | void |
f0f333f4 |
876 | yyerror(char *s) |
8d063cd8 |
877 | { |
878 | fprintf(stderr,"%s in file %s at line %d\n", |
879 | s,filename,line); |
880 | } |
881 | |
882 | char * |
f0f333f4 |
883 | scannum(register char *s) |
8d063cd8 |
884 | { |
885 | register char *d; |
886 | |
887 | switch (*s) { |
888 | case '1': case '2': case '3': case '4': case '5': |
889 | case '6': case '7': case '8': case '9': case '0' : case '.': |
890 | d = tokenbuf; |
3f939f22 |
891 | while (isDIGIT(*s)) { |
8d063cd8 |
892 | *d++ = *s++; |
378cc40b |
893 | } |
bf10efe7 |
894 | if (*s == '.') { |
3f939f22 |
895 | if (isDIGIT(s[1])) { |
378cc40b |
896 | *d++ = *s++; |
3f939f22 |
897 | while (isDIGIT(*s)) { |
bf10efe7 |
898 | *d++ = *s++; |
899 | } |
378cc40b |
900 | } |
bf10efe7 |
901 | else |
902 | s++; |
378cc40b |
903 | } |
a0d0e21e |
904 | if (strchr("eE",*s) && strchr("+-0123456789",s[1])) { |
8d063cd8 |
905 | *d++ = *s++; |
378cc40b |
906 | if (*s == '+' || *s == '-') |
907 | *d++ = *s++; |
3f939f22 |
908 | while (isDIGIT(*s)) |
378cc40b |
909 | *d++ = *s++; |
910 | } |
8d063cd8 |
911 | *d = '\0'; |
912 | yylval = string(tokenbuf,0); |
913 | break; |
914 | } |
915 | return s; |
916 | } |
917 | |
748a9306 |
918 | int |
f0f333f4 |
919 | string(char *ptr, int len) |
8d063cd8 |
920 | { |
921 | int retval = mop; |
922 | |
923 | ops[mop++].ival = OSTRING + (1<<8); |
924 | if (!len) |
925 | len = strlen(ptr); |
f0f333f4 |
926 | ops[mop].cval = (char *) safemalloc(len+1); |
8d063cd8 |
927 | strncpy(ops[mop].cval,ptr,len); |
928 | ops[mop++].cval[len] = '\0'; |
a687059c |
929 | if (mop >= OPSMAX) |
930 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
931 | return retval; |
932 | } |
933 | |
748a9306 |
934 | int |
f0f333f4 |
935 | oper0(int type) |
8d063cd8 |
936 | { |
937 | int retval = mop; |
938 | |
939 | if (type > 255) |
940 | fatal("type > 255 (%d)\n",type); |
941 | ops[mop++].ival = type; |
a687059c |
942 | if (mop >= OPSMAX) |
943 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
944 | return retval; |
945 | } |
946 | |
748a9306 |
947 | int |
f0f333f4 |
948 | oper1(int type, int arg1) |
8d063cd8 |
949 | { |
950 | int retval = mop; |
951 | |
952 | if (type > 255) |
953 | fatal("type > 255 (%d)\n",type); |
954 | ops[mop++].ival = type + (1<<8); |
955 | ops[mop++].ival = arg1; |
a687059c |
956 | if (mop >= OPSMAX) |
957 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
958 | return retval; |
959 | } |
960 | |
748a9306 |
961 | int |
f0f333f4 |
962 | oper2(int type, int arg1, int arg2) |
8d063cd8 |
963 | { |
964 | int retval = mop; |
965 | |
966 | if (type > 255) |
967 | fatal("type > 255 (%d)\n",type); |
968 | ops[mop++].ival = type + (2<<8); |
969 | ops[mop++].ival = arg1; |
970 | ops[mop++].ival = arg2; |
a687059c |
971 | if (mop >= OPSMAX) |
972 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
973 | return retval; |
974 | } |
975 | |
748a9306 |
976 | int |
f0f333f4 |
977 | oper3(int type, int arg1, int arg2, int arg3) |
8d063cd8 |
978 | { |
979 | int retval = mop; |
980 | |
981 | if (type > 255) |
982 | fatal("type > 255 (%d)\n",type); |
983 | ops[mop++].ival = type + (3<<8); |
984 | ops[mop++].ival = arg1; |
985 | ops[mop++].ival = arg2; |
986 | ops[mop++].ival = arg3; |
a687059c |
987 | if (mop >= OPSMAX) |
988 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
989 | return retval; |
990 | } |
991 | |
748a9306 |
992 | int |
f0f333f4 |
993 | oper4(int type, int arg1, int arg2, int arg3, int arg4) |
8d063cd8 |
994 | { |
995 | int retval = mop; |
996 | |
997 | if (type > 255) |
998 | fatal("type > 255 (%d)\n",type); |
999 | ops[mop++].ival = type + (4<<8); |
1000 | ops[mop++].ival = arg1; |
1001 | ops[mop++].ival = arg2; |
1002 | ops[mop++].ival = arg3; |
1003 | ops[mop++].ival = arg4; |
a687059c |
1004 | if (mop >= OPSMAX) |
1005 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
1006 | return retval; |
1007 | } |
1008 | |
748a9306 |
1009 | int |
f0f333f4 |
1010 | oper5(int type, int arg1, int arg2, int arg3, int arg4, int arg5) |
8d063cd8 |
1011 | { |
1012 | int retval = mop; |
1013 | |
1014 | if (type > 255) |
1015 | fatal("type > 255 (%d)\n",type); |
1016 | ops[mop++].ival = type + (5<<8); |
1017 | ops[mop++].ival = arg1; |
1018 | ops[mop++].ival = arg2; |
1019 | ops[mop++].ival = arg3; |
1020 | ops[mop++].ival = arg4; |
1021 | ops[mop++].ival = arg5; |
a687059c |
1022 | if (mop >= OPSMAX) |
1023 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
1024 | return retval; |
1025 | } |
1026 | |
1027 | int depth = 0; |
1028 | |
75f92628 |
1029 | void |
f0f333f4 |
1030 | dump(int branch) |
8d063cd8 |
1031 | { |
1032 | register int type; |
1033 | register int len; |
1034 | register int i; |
1035 | |
1036 | type = ops[branch].ival; |
1037 | len = type >> 8; |
1038 | type &= 255; |
1039 | for (i=depth; i; i--) |
1040 | printf(" "); |
1041 | if (type == OSTRING) { |
1042 | printf("%-5d\"%s\"\n",branch,ops[branch+1].cval); |
1043 | } |
1044 | else { |
1045 | printf("(%-5d%s %d\n",branch,opname[type],len); |
1046 | depth++; |
1047 | for (i=1; i<=len; i++) |
1048 | dump(ops[branch+i].ival); |
1049 | depth--; |
1050 | for (i=depth; i; i--) |
1051 | printf(" "); |
1052 | printf(")\n"); |
1053 | } |
1054 | } |
1055 | |
748a9306 |
1056 | int |
f0f333f4 |
1057 | bl(int arg, int maybe) |
8d063cd8 |
1058 | { |
1059 | if (!arg) |
1060 | return 0; |
1061 | else if ((ops[arg].ival & 255) != OBLOCK) |
1062 | return oper2(OBLOCK,arg,maybe); |
378cc40b |
1063 | else if ((ops[arg].ival >> 8) < 2) |
8d063cd8 |
1064 | return oper2(OBLOCK,ops[arg+1].ival,maybe); |
1065 | else |
1066 | return arg; |
1067 | } |
1068 | |
75f92628 |
1069 | void |
f0f333f4 |
1070 | fixup(STR *str) |
8d063cd8 |
1071 | { |
1072 | register char *s; |
1073 | register char *t; |
1074 | |
1075 | for (s = str->str_ptr; *s; s++) { |
1076 | if (*s == ';' && s[1] == ' ' && s[2] == '\n') { |
1077 | strcpy(s+1,s+2); |
1078 | s++; |
1079 | } |
1080 | else if (*s == '\n') { |
3f939f22 |
1081 | for (t = s+1; isSPACE(*t & 127); t++) ; |
8d063cd8 |
1082 | t--; |
3f939f22 |
1083 | while (isSPACE(*t & 127) && *t != '\n') t--; |
8d063cd8 |
1084 | if (*t == '\n' && t-s > 1) { |
1085 | if (s[-1] == '{') |
1086 | s--; |
1087 | strcpy(s+1,t); |
1088 | } |
1089 | s++; |
1090 | } |
1091 | } |
1092 | } |
1093 | |
75f92628 |
1094 | void |
f0f333f4 |
1095 | putlines(STR *str) |
8d063cd8 |
1096 | { |
1097 | register char *d, *s, *t, *e; |
1098 | register int pos, newpos; |
1099 | |
1100 | d = tokenbuf; |
1101 | pos = 0; |
1102 | for (s = str->str_ptr; *s; s++) { |
1103 | *d++ = *s; |
1104 | pos++; |
1105 | if (*s == '\n') { |
1106 | *d = '\0'; |
1107 | d = tokenbuf; |
1108 | pos = 0; |
1109 | putone(); |
1110 | } |
1111 | else if (*s == '\t') |
1112 | pos += 7; |
1113 | if (pos > 78) { /* split a long line? */ |
1114 | *d-- = '\0'; |
1115 | newpos = 0; |
3f939f22 |
1116 | for (t = tokenbuf; isSPACE(*t & 127); t++) { |
8d063cd8 |
1117 | if (*t == '\t') |
1118 | newpos += 8; |
1119 | else |
1120 | newpos += 1; |
1121 | } |
1122 | e = d; |
1123 | while (d > tokenbuf && (*d != ' ' || d[-1] != ';')) |
1124 | d--; |
1125 | if (d < t+10) { |
1126 | d = e; |
1127 | while (d > tokenbuf && |
1128 | (*d != ' ' || d[-1] != '|' || d[-2] != '|') ) |
1129 | d--; |
1130 | } |
1131 | if (d < t+10) { |
1132 | d = e; |
1133 | while (d > tokenbuf && |
1134 | (*d != ' ' || d[-1] != '&' || d[-2] != '&') ) |
1135 | d--; |
1136 | } |
1137 | if (d < t+10) { |
1138 | d = e; |
1139 | while (d > tokenbuf && (*d != ' ' || d[-1] != ',')) |
1140 | d--; |
1141 | } |
1142 | if (d < t+10) { |
1143 | d = e; |
1144 | while (d > tokenbuf && *d != ' ') |
1145 | d--; |
1146 | } |
1147 | if (d > t+3) { |
fe14fcc3 |
1148 | char save[2048]; |
1149 | strcpy(save, d); |
1150 | *d = '\n'; |
1151 | d[1] = '\0'; |
8d063cd8 |
1152 | putone(); |
1153 | putchar('\n'); |
1154 | if (d[-1] != ';' && !(newpos % 4)) { |
1155 | *t++ = ' '; |
1156 | *t++ = ' '; |
1157 | newpos += 2; |
1158 | } |
fe14fcc3 |
1159 | strcpy(t,save+1); |
8d063cd8 |
1160 | newpos += strlen(t); |
1161 | d = t + strlen(t); |
1162 | pos = newpos; |
1163 | } |
1164 | else |
1165 | d = e + 1; |
1166 | } |
1167 | } |
1168 | } |
1169 | |
75f92628 |
1170 | void |
f0f333f4 |
1171 | putone(void) |
8d063cd8 |
1172 | { |
1173 | register char *t; |
1174 | |
1175 | for (t = tokenbuf; *t; t++) { |
1176 | *t &= 127; |
1177 | if (*t == 127) { |
1178 | *t = ' '; |
1179 | strcpy(t+strlen(t)-1, "\t#???\n"); |
378cc40b |
1180 | checkers++; |
8d063cd8 |
1181 | } |
1182 | } |
1183 | t = tokenbuf; |
1184 | if (*t == '#') { |
1185 | if (strnEQ(t,"#!/bin/awk",10) || strnEQ(t,"#! /bin/awk",11)) |
1186 | return; |
378cc40b |
1187 | if (strnEQ(t,"#!/usr/bin/awk",14) || strnEQ(t,"#! /usr/bin/awk",15)) |
1188 | return; |
8d063cd8 |
1189 | } |
1190 | fputs(tokenbuf,stdout); |
1191 | } |
1192 | |
748a9306 |
1193 | int |
f0f333f4 |
1194 | numary(int arg) |
8d063cd8 |
1195 | { |
1196 | STR *key; |
1197 | int dummy; |
1198 | |
a687059c |
1199 | key = walk(0,0,arg,&dummy,P_MIN); |
8d063cd8 |
1200 | str_cat(key,"[]"); |
1201 | hstore(symtab,key->str_ptr,str_make("1")); |
1202 | str_free(key); |
1203 | set_array_base = TRUE; |
1204 | return arg; |
1205 | } |
a687059c |
1206 | |
748a9306 |
1207 | int |
f0f333f4 |
1208 | rememberargs(int arg) |
a687059c |
1209 | { |
1210 | int type; |
1211 | STR *str; |
1212 | |
1213 | if (!arg) |
1214 | return arg; |
1215 | type = ops[arg].ival & 255; |
1216 | if (type == OCOMMA) { |
1217 | rememberargs(ops[arg+1].ival); |
1218 | rememberargs(ops[arg+3].ival); |
1219 | } |
1220 | else if (type == OVAR) { |
1221 | str = str_new(0); |
1222 | hstore(curarghash,ops[ops[arg+1].ival+1].cval,str); |
1223 | } |
1224 | else |
1225 | fatal("panic: unknown argument type %d, line %d\n",type,line); |
1226 | return arg; |
1227 | } |
1228 | |
748a9306 |
1229 | int |
f0f333f4 |
1230 | aryrefarg(int arg) |
a687059c |
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 |
f0f333f4 |
1244 | fixfargs(int name, int arg, int prevargs) |
a687059c |
1245 | { |
1246 | int type; |
1247 | STR *str; |
b7953727 |
1248 | int numargs = 0; |
a687059c |
1249 | |
1250 | if (!arg) |
1251 | return prevargs; |
1252 | type = ops[arg].ival & 255; |
1253 | if (type == OCOMMA) { |
1254 | numargs = fixfargs(name,ops[arg+1].ival,prevargs); |
1255 | numargs = fixfargs(name,ops[arg+3].ival,numargs); |
1256 | } |
1257 | else if (type == OVAR) { |
1258 | str = hfetch(curarghash,ops[ops[arg+1].ival+1].cval); |
1259 | if (strEQ(str_get(str),"*")) { |
1260 | char tmpbuf[128]; |
1261 | |
1262 | str_set(str,""); /* in case another routine has this */ |
1263 | ops[arg].ival &= ~255; |
1264 | ops[arg].ival |= OSTAR; |
1265 | sprintf(tmpbuf,"%s:%d",ops[name+1].cval,prevargs); |
1266 | fprintf(stderr,"Adding %s\n",tmpbuf); |
1267 | str = str_new(0); |
1268 | str_set(str,"*"); |
1269 | hstore(curarghash,tmpbuf,str); |
1270 | } |
1271 | numargs = prevargs + 1; |
1272 | } |
1273 | else |
1274 | fatal("panic: unknown argument type %d, arg %d, line %d\n", |
39c3038c |
1275 | type,prevargs+1,line); |
a687059c |
1276 | return numargs; |
1277 | } |
1278 | |
748a9306 |
1279 | int |
f0f333f4 |
1280 | fixrargs(char *name, int arg, int prevargs) |
a687059c |
1281 | { |
1282 | int type; |
1283 | STR *str; |
1284 | int numargs; |
1285 | |
1286 | if (!arg) |
1287 | return prevargs; |
1288 | type = ops[arg].ival & 255; |
1289 | if (type == OCOMMA) { |
1290 | numargs = fixrargs(name,ops[arg+1].ival,prevargs); |
1291 | numargs = fixrargs(name,ops[arg+3].ival,numargs); |
1292 | } |
1293 | else { |
f0f333f4 |
1294 | char *tmpbuf = (char *) safemalloc(strlen(name) + (sizeof(prevargs) * 3) + 5); |
a687059c |
1295 | sprintf(tmpbuf,"%s:%d",name,prevargs); |
1296 | str = hfetch(curarghash,tmpbuf); |
ece629c6 |
1297 | safefree(tmpbuf); |
a687059c |
1298 | if (str && strEQ(str->str_ptr,"*")) { |
1299 | if (type == OVAR || type == OSTAR) { |
1300 | ops[arg].ival &= ~255; |
1301 | ops[arg].ival |= OSTAR; |
1302 | } |
1303 | else |
1304 | fatal("Can't pass expression by reference as arg %d of %s\n", |
1305 | prevargs+1, name); |
1306 | } |
1307 | numargs = prevargs + 1; |
1308 | } |
1309 | return numargs; |
1310 | } |