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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); |
011f1a1a |
34 | #ifdef NETWARE |
35 | char *savestr(char *str); |
36 | char *cpy2(register char *to, register char *from, register int delim); |
37 | #endif |
378cc40b |
38 | |
2986a63f |
39 | #if defined(OS2) || defined(WIN32) || defined(NETWARE) |
d07c2202 |
40 | static void usage(void); |
41 | |
9607fc9c |
42 | static void |
39c3038c |
43 | usage() |
44 | { |
cceca5ed |
45 | printf("\nThis is the AWK to PERL translator, revision %d.0, version %d\n", PERL_REVISION, PERL_VERSION); |
39c3038c |
46 | printf("\nUsage: %s [-D<number>] [-F<char>] [-n<fieldlist>] [-<number>] filename\n", myname); |
47 | printf("\n -D<number> sets debugging flags." |
48 | "\n -F<character> the awk script to translate is always invoked with" |
49 | "\n this -F switch." |
50 | "\n -n<fieldlist> specifies the names of the input fields if input does" |
51 | "\n not have to be split into an array." |
52 | "\n -<number> causes a2p to assume that input will always have that" |
53 | "\n many fields.\n"); |
54 | exit(1); |
55 | } |
56 | #endif |
9607fc9c |
57 | |
58 | int |
f0f333f4 |
59 | main(register int argc, register char **argv, register char **env) |
8d063cd8 |
60 | { |
61 | register STR *str; |
8d063cd8 |
62 | int i; |
8d063cd8 |
63 | STR *tmpstr; |
011f1a1a |
64 | /* char *namelist; */ |
8d063cd8 |
65 | |
2986a63f |
66 | #ifdef NETWARE |
cb69f87a |
67 | fnInitGpfGlobals(); /* For importing the CLIB calls in place of Watcom calls */ |
2986a63f |
68 | #endif /* NETWARE */ |
69 | |
39c3038c |
70 | myname = argv[0]; |
8d063cd8 |
71 | linestr = str_new(80); |
72 | str = str_new(0); /* first used for -I flags */ |
73 | for (argc--,argv++; argc; argc--,argv++) { |
74 | if (argv[0][0] != '-' || !argv[0][1]) |
75 | break; |
8d063cd8 |
76 | switch (argv[0][1]) { |
77 | #ifdef DEBUGGING |
78 | case 'D': |
79 | debug = atoi(argv[0]+2); |
9d116dd7 |
80 | #if YYDEBUG |
8d063cd8 |
81 | yydebug = (debug & 1); |
82 | #endif |
83 | break; |
84 | #endif |
85 | case '0': case '1': case '2': case '3': case '4': |
86 | case '5': case '6': case '7': case '8': case '9': |
87 | maxfld = atoi(argv[0]+1); |
88 | absmaxfld = TRUE; |
89 | break; |
90 | case 'F': |
91 | fswitch = argv[0][2]; |
92 | break; |
93 | case 'n': |
94 | namelist = savestr(argv[0]+2); |
95 | break; |
a5571d59 |
96 | case 'o': |
97 | old_awk = TRUE; |
98 | break; |
8d063cd8 |
99 | case '-': |
100 | argc--,argv++; |
101 | goto switch_end; |
102 | case 0: |
103 | break; |
104 | default: |
2986a63f |
105 | #if defined(OS2) || defined(WIN32) || defined(NETWARE) |
d07c2202 |
106 | fprintf(stderr, "Unrecognized switch: %s\n",argv[0]); |
39c3038c |
107 | usage(); |
d07c2202 |
108 | #else |
109 | fatal("Unrecognized switch: %s\n",argv[0]); |
39c3038c |
110 | #endif |
8d063cd8 |
111 | } |
112 | } |
113 | switch_end: |
114 | |
115 | /* open script */ |
116 | |
39c3038c |
117 | if (argv[0] == Nullch) { |
2986a63f |
118 | #if defined(OS2) || defined(WIN32) || defined(NETWARE) |
39c3038c |
119 | if ( isatty(fileno(stdin)) ) |
120 | usage(); |
121 | #endif |
122 | argv[0] = "-"; |
123 | } |
124 | filename = savestr(argv[0]); |
125 | |
8d063cd8 |
126 | filename = savestr(argv[0]); |
127 | if (strEQ(filename,"-")) |
128 | argv[0] = ""; |
129 | if (!*argv[0]) |
130 | rsfp = stdin; |
131 | else |
132 | rsfp = fopen(argv[0],"r"); |
133 | if (rsfp == Nullfp) |
134 | fatal("Awk script \"%s\" doesn't seem to exist.\n",filename); |
135 | |
136 | /* init tokener */ |
137 | |
138 | bufptr = str_get(linestr); |
139 | symtab = hnew(); |
a687059c |
140 | curarghash = hnew(); |
8d063cd8 |
141 | |
142 | /* now parse the report spec */ |
143 | |
144 | if (yyparse()) |
145 | fatal("Translation aborted due to syntax errors.\n"); |
146 | |
147 | #ifdef DEBUGGING |
148 | if (debug & 2) { |
149 | int type, len; |
150 | |
151 | for (i=1; i<mop;) { |
152 | type = ops[i].ival; |
153 | len = type >> 8; |
154 | type &= 255; |
155 | printf("%d\t%d\t%d\t%-10s",i++,type,len,opname[type]); |
156 | if (type == OSTRING) |
157 | printf("\t\"%s\"\n",ops[i].cval),i++; |
158 | else { |
159 | while (len--) { |
160 | printf("\t%d",ops[i].ival),i++; |
161 | } |
162 | putchar('\n'); |
163 | } |
164 | } |
165 | } |
166 | if (debug & 8) |
167 | dump(root); |
168 | #endif |
169 | |
170 | /* first pass to look for numeric variables */ |
171 | |
172 | prewalk(0,0,root,&i); |
173 | |
174 | /* second pass to produce new program */ |
175 | |
a687059c |
176 | tmpstr = walk(0,0,root,&i,P_MIN); |
207d4cd0 |
177 | str = str_make(STARTPERL); |
5f05dabc |
178 | str_cat(str, "\neval 'exec "); |
179 | str_cat(str, BIN); |
180 | str_cat(str, "/perl -S $0 ${1+\"$@\"}'\n\ |
378cc40b |
181 | if $running_under_some_shell;\n\ |
182 | # this emulates #! processing on NIH machines.\n\ |
183 | # (remove #! line above if indigestible)\n\n"); |
a559c259 |
184 | str_cat(str, |
a0d0e21e |
185 | "eval '$'.$1.'$2;' while $ARGV[0] =~ /^([A-Za-z_0-9]+=)(.*)/ && shift;\n"); |
a559c259 |
186 | str_cat(str, |
187 | " # process any FOO=bar switches\n\n"); |
8d063cd8 |
188 | if (do_opens && opens) { |
189 | str_scat(str,opens); |
190 | str_free(opens); |
191 | str_cat(str,"\n"); |
192 | } |
193 | str_scat(str,tmpstr); |
194 | str_free(tmpstr); |
195 | #ifdef DEBUGGING |
196 | if (!(debug & 16)) |
197 | #endif |
198 | fixup(str); |
199 | putlines(str); |
378cc40b |
200 | if (checkers) { |
201 | fprintf(stderr, |
202 | "Please check my work on the %d line%s I've marked with \"#???\".\n", |
203 | checkers, checkers == 1 ? "" : "s" ); |
204 | fprintf(stderr, |
205 | "The operation I've selected may be wrong for the operand types.\n"); |
206 | } |
8d063cd8 |
207 | exit(0); |
c5cf9ec2 |
208 | /* by ANSI specs return is needed. This also shuts up VC++ and his warnings */ |
209 | return(0); |
8d063cd8 |
210 | } |
211 | |
212 | #define RETURN(retval) return (bufptr = s,retval) |
213 | #define XTERM(retval) return (expectterm = TRUE,bufptr = s,retval) |
214 | #define XOP(retval) return (expectterm = FALSE,bufptr = s,retval) |
a687059c |
215 | #define ID(x) return (yylval=string(x,0),expectterm = FALSE,bufptr = s,idtype) |
216 | |
217 | int idtype; |
8d063cd8 |
218 | |
748a9306 |
219 | int |
f0f333f4 |
220 | yylex(void) |
8d063cd8 |
221 | { |
222 | register char *s = bufptr; |
223 | register char *d; |
224 | register int tmp; |
225 | |
226 | retry: |
9d116dd7 |
227 | #if YYDEBUG |
b7953727 |
228 | if (yydebug) { |
a0d0e21e |
229 | if (strchr(s,'\n')) |
8d063cd8 |
230 | fprintf(stderr,"Tokener at %s",s); |
231 | else |
232 | fprintf(stderr,"Tokener at %s\n",s); |
b7953727 |
233 | } |
8d063cd8 |
234 | #endif |
235 | switch (*s) { |
236 | default: |
237 | fprintf(stderr, |
238 | "Unrecognized character %c in file %s line %d--ignoring.\n", |
239 | *s++,filename,line); |
240 | goto retry; |
241 | case '\\': |
bf10efe7 |
242 | s++; |
243 | if (*s && *s != '\n') { |
244 | yyerror("Ignoring spurious backslash"); |
245 | goto retry; |
246 | } |
247 | /*FALLSTHROUGH*/ |
8d063cd8 |
248 | case 0: |
249 | s = str_get(linestr); |
250 | *s = '\0'; |
251 | if (!rsfp) |
252 | RETURN(0); |
253 | line++; |
254 | if ((s = str_gets(linestr, rsfp)) == Nullch) { |
255 | if (rsfp != stdin) |
256 | fclose(rsfp); |
257 | rsfp = Nullfp; |
258 | s = str_get(linestr); |
259 | RETURN(0); |
260 | } |
261 | goto retry; |
262 | case ' ': case '\t': |
263 | s++; |
264 | goto retry; |
265 | case '\n': |
266 | *s = '\0'; |
267 | XTERM(NEWLINE); |
268 | case '#': |
269 | yylval = string(s,0); |
270 | *s = '\0'; |
271 | XTERM(COMMENT); |
272 | case ';': |
273 | tmp = *s++; |
274 | if (*s == '\n') { |
275 | s++; |
276 | XTERM(SEMINEW); |
277 | } |
278 | XTERM(tmp); |
279 | case '(': |
a687059c |
280 | tmp = *s++; |
281 | XTERM(tmp); |
8d063cd8 |
282 | case '{': |
283 | case '[': |
284 | case ')': |
285 | case ']': |
a687059c |
286 | case '?': |
287 | case ':': |
8d063cd8 |
288 | tmp = *s++; |
289 | XOP(tmp); |
9d116dd7 |
290 | #ifdef EBCDIC |
291 | case 7: |
292 | #else |
8d063cd8 |
293 | case 127: |
9d116dd7 |
294 | #endif |
8d063cd8 |
295 | s++; |
296 | XTERM('}'); |
297 | case '}': |
3f939f22 |
298 | for (d = s + 1; isSPACE(*d); d++) ; |
8d063cd8 |
299 | if (!*d) |
300 | s = d - 1; |
301 | *s = 127; |
302 | XTERM(';'); |
303 | case ',': |
304 | tmp = *s++; |
305 | XTERM(tmp); |
306 | case '~': |
307 | s++; |
378cc40b |
308 | yylval = string("~",1); |
8d063cd8 |
309 | XTERM(MATCHOP); |
310 | case '+': |
311 | case '-': |
312 | if (s[1] == *s) { |
313 | s++; |
314 | if (*s++ == '+') |
315 | XTERM(INCR); |
316 | else |
317 | XTERM(DECR); |
318 | } |
319 | /* FALL THROUGH */ |
320 | case '*': |
321 | case '%': |
a687059c |
322 | case '^': |
8d063cd8 |
323 | tmp = *s++; |
324 | if (*s == '=') { |
a687059c |
325 | if (tmp == '^') |
326 | yylval = string("**=",3); |
327 | else |
328 | yylval = string(s-1,2); |
8d063cd8 |
329 | s++; |
330 | XTERM(ASGNOP); |
331 | } |
332 | XTERM(tmp); |
333 | case '&': |
334 | s++; |
335 | tmp = *s++; |
336 | if (tmp == '&') |
337 | XTERM(ANDAND); |
338 | s--; |
339 | XTERM('&'); |
340 | case '|': |
341 | s++; |
342 | tmp = *s++; |
343 | if (tmp == '|') |
344 | XTERM(OROR); |
345 | s--; |
a687059c |
346 | while (*s == ' ' || *s == '\t') |
347 | s++; |
348 | if (strnEQ(s,"getline",7)) |
349 | XTERM('p'); |
350 | else |
351 | XTERM('|'); |
8d063cd8 |
352 | case '=': |
353 | s++; |
354 | tmp = *s++; |
355 | if (tmp == '=') { |
356 | yylval = string("==",2); |
357 | XTERM(RELOP); |
358 | } |
359 | s--; |
360 | yylval = string("=",1); |
361 | XTERM(ASGNOP); |
362 | case '!': |
363 | s++; |
364 | tmp = *s++; |
365 | if (tmp == '=') { |
366 | yylval = string("!=",2); |
367 | XTERM(RELOP); |
368 | } |
369 | if (tmp == '~') { |
370 | yylval = string("!~",2); |
371 | XTERM(MATCHOP); |
372 | } |
373 | s--; |
374 | XTERM(NOT); |
375 | case '<': |
376 | s++; |
377 | tmp = *s++; |
378 | if (tmp == '=') { |
379 | yylval = string("<=",2); |
380 | XTERM(RELOP); |
381 | } |
382 | s--; |
a687059c |
383 | XTERM('<'); |
8d063cd8 |
384 | case '>': |
385 | s++; |
386 | tmp = *s++; |
378cc40b |
387 | if (tmp == '>') { |
388 | yylval = string(">>",2); |
389 | XTERM(GRGR); |
390 | } |
8d063cd8 |
391 | if (tmp == '=') { |
392 | yylval = string(">=",2); |
393 | XTERM(RELOP); |
394 | } |
395 | s--; |
a687059c |
396 | XTERM('>'); |
8d063cd8 |
397 | |
398 | #define SNARFWORD \ |
399 | d = tokenbuf; \ |
3f939f22 |
400 | while (isALPHA(*s) || isDIGIT(*s) || *s == '_') \ |
8d063cd8 |
401 | *d++ = *s++; \ |
402 | *d = '\0'; \ |
a687059c |
403 | d = tokenbuf; \ |
404 | if (*s == '(') \ |
405 | idtype = USERFUN; \ |
406 | else \ |
407 | idtype = VAR; |
8d063cd8 |
408 | |
409 | case '$': |
410 | s++; |
411 | if (*s == '0') { |
412 | s++; |
413 | do_chop = TRUE; |
414 | need_entire = TRUE; |
a687059c |
415 | idtype = VAR; |
8d063cd8 |
416 | ID("0"); |
417 | } |
418 | do_split = TRUE; |
3f939f22 |
419 | if (isDIGIT(*s)) { |
420 | for (d = s; isDIGIT(*s); s++) ; |
8d063cd8 |
421 | yylval = string(d,s-d); |
422 | tmp = atoi(d); |
423 | if (tmp > maxfld) |
424 | maxfld = tmp; |
425 | XOP(FIELD); |
426 | } |
427 | split_to_array = set_array_base = TRUE; |
428 | XOP(VFIELD); |
429 | |
430 | case '/': /* may either be division or pattern */ |
431 | if (expectterm) { |
432 | s = scanpat(s); |
433 | XTERM(REGEX); |
434 | } |
435 | tmp = *s++; |
436 | if (*s == '=') { |
437 | yylval = string("/=",2); |
438 | s++; |
439 | XTERM(ASGNOP); |
440 | } |
441 | XTERM(tmp); |
442 | |
443 | case '0': case '1': case '2': case '3': case '4': |
a687059c |
444 | case '5': case '6': case '7': case '8': case '9': case '.': |
8d063cd8 |
445 | s = scannum(s); |
446 | XOP(NUMBER); |
447 | case '"': |
448 | s++; |
449 | s = cpy2(tokenbuf,s,s[-1]); |
450 | if (!*s) |
451 | fatal("String not terminated:\n%s",str_get(linestr)); |
452 | s++; |
453 | yylval = string(tokenbuf,0); |
454 | XOP(STRING); |
455 | |
456 | case 'a': case 'A': |
457 | SNARFWORD; |
a687059c |
458 | if (strEQ(d,"ARGC")) |
459 | set_array_base = TRUE; |
460 | if (strEQ(d,"ARGV")) { |
461 | yylval=numary(string("ARGV",0)); |
462 | XOP(VAR); |
463 | } |
464 | if (strEQ(d,"atan2")) { |
465 | yylval = OATAN2; |
466 | XTERM(FUNN); |
467 | } |
8d063cd8 |
468 | ID(d); |
469 | case 'b': case 'B': |
470 | SNARFWORD; |
471 | if (strEQ(d,"break")) |
472 | XTERM(BREAK); |
473 | if (strEQ(d,"BEGIN")) |
474 | XTERM(BEGIN); |
475 | ID(d); |
476 | case 'c': case 'C': |
477 | SNARFWORD; |
478 | if (strEQ(d,"continue")) |
479 | XTERM(CONTINUE); |
a687059c |
480 | if (strEQ(d,"cos")) { |
481 | yylval = OCOS; |
482 | XTERM(FUN1); |
483 | } |
484 | if (strEQ(d,"close")) { |
485 | do_fancy_opens = 1; |
486 | yylval = OCLOSE; |
487 | XTERM(FUN1); |
488 | } |
489 | if (strEQ(d,"chdir")) |
3f939f22 |
490 | *d = toUPPER(*d); |
a687059c |
491 | else if (strEQ(d,"crypt")) |
3f939f22 |
492 | *d = toUPPER(*d); |
a687059c |
493 | else if (strEQ(d,"chop")) |
3f939f22 |
494 | *d = toUPPER(*d); |
a687059c |
495 | else if (strEQ(d,"chmod")) |
3f939f22 |
496 | *d = toUPPER(*d); |
a687059c |
497 | else if (strEQ(d,"chown")) |
3f939f22 |
498 | *d = toUPPER(*d); |
8d063cd8 |
499 | ID(d); |
500 | case 'd': case 'D': |
501 | SNARFWORD; |
a687059c |
502 | if (strEQ(d,"do")) |
503 | XTERM(DO); |
504 | if (strEQ(d,"delete")) |
505 | XTERM(DELETE); |
506 | if (strEQ(d,"die")) |
3f939f22 |
507 | *d = toUPPER(*d); |
8d063cd8 |
508 | ID(d); |
509 | case 'e': case 'E': |
510 | SNARFWORD; |
511 | if (strEQ(d,"END")) |
512 | XTERM(END); |
513 | if (strEQ(d,"else")) |
514 | XTERM(ELSE); |
515 | if (strEQ(d,"exit")) { |
516 | saw_line_op = TRUE; |
517 | XTERM(EXIT); |
518 | } |
519 | if (strEQ(d,"exp")) { |
520 | yylval = OEXP; |
521 | XTERM(FUN1); |
522 | } |
a687059c |
523 | if (strEQ(d,"elsif")) |
3f939f22 |
524 | *d = toUPPER(*d); |
a687059c |
525 | else if (strEQ(d,"eq")) |
3f939f22 |
526 | *d = toUPPER(*d); |
a687059c |
527 | else if (strEQ(d,"eval")) |
3f939f22 |
528 | *d = toUPPER(*d); |
a687059c |
529 | else if (strEQ(d,"eof")) |
3f939f22 |
530 | *d = toUPPER(*d); |
a687059c |
531 | else if (strEQ(d,"each")) |
3f939f22 |
532 | *d = toUPPER(*d); |
a687059c |
533 | else if (strEQ(d,"exec")) |
3f939f22 |
534 | *d = toUPPER(*d); |
8d063cd8 |
535 | ID(d); |
536 | case 'f': case 'F': |
537 | SNARFWORD; |
538 | if (strEQ(d,"FS")) { |
539 | saw_FS++; |
540 | if (saw_FS == 1 && in_begin) { |
3f939f22 |
541 | for (d = s; *d && isSPACE(*d); d++) ; |
8d063cd8 |
542 | if (*d == '=') { |
3f939f22 |
543 | for (d++; *d && isSPACE(*d); d++) ; |
8d063cd8 |
544 | if (*d == '"' && d[2] == '"') |
545 | const_FS = d[1]; |
546 | } |
547 | } |
548 | ID(tokenbuf); |
549 | } |
8d063cd8 |
550 | if (strEQ(d,"for")) |
551 | XTERM(FOR); |
a687059c |
552 | else if (strEQ(d,"function")) |
553 | XTERM(FUNCTION); |
554 | if (strEQ(d,"FILENAME")) |
555 | d = "ARGV"; |
556 | if (strEQ(d,"foreach")) |
3f939f22 |
557 | *d = toUPPER(*d); |
a687059c |
558 | else if (strEQ(d,"format")) |
3f939f22 |
559 | *d = toUPPER(*d); |
a687059c |
560 | else if (strEQ(d,"fork")) |
3f939f22 |
561 | *d = toUPPER(*d); |
a687059c |
562 | else if (strEQ(d,"fh")) |
3f939f22 |
563 | *d = toUPPER(*d); |
8d063cd8 |
564 | ID(d); |
565 | case 'g': case 'G': |
566 | SNARFWORD; |
567 | if (strEQ(d,"getline")) |
568 | XTERM(GETLINE); |
a687059c |
569 | if (strEQ(d,"gsub")) |
570 | XTERM(GSUB); |
571 | if (strEQ(d,"ge")) |
3f939f22 |
572 | *d = toUPPER(*d); |
a687059c |
573 | else if (strEQ(d,"gt")) |
3f939f22 |
574 | *d = toUPPER(*d); |
a687059c |
575 | else if (strEQ(d,"goto")) |
3f939f22 |
576 | *d = toUPPER(*d); |
a687059c |
577 | else if (strEQ(d,"gmtime")) |
3f939f22 |
578 | *d = toUPPER(*d); |
8d063cd8 |
579 | ID(d); |
580 | case 'h': case 'H': |
581 | SNARFWORD; |
a687059c |
582 | if (strEQ(d,"hex")) |
3f939f22 |
583 | *d = toUPPER(*d); |
8d063cd8 |
584 | ID(d); |
585 | case 'i': case 'I': |
586 | SNARFWORD; |
587 | if (strEQ(d,"if")) |
588 | XTERM(IF); |
589 | if (strEQ(d,"in")) |
590 | XTERM(IN); |
591 | if (strEQ(d,"index")) { |
592 | set_array_base = TRUE; |
593 | XTERM(INDEX); |
594 | } |
595 | if (strEQ(d,"int")) { |
596 | yylval = OINT; |
597 | XTERM(FUN1); |
598 | } |
599 | ID(d); |
600 | case 'j': case 'J': |
601 | SNARFWORD; |
a687059c |
602 | if (strEQ(d,"join")) |
3f939f22 |
603 | *d = toUPPER(*d); |
8d063cd8 |
604 | ID(d); |
605 | case 'k': case 'K': |
606 | SNARFWORD; |
a687059c |
607 | if (strEQ(d,"keys")) |
3f939f22 |
608 | *d = toUPPER(*d); |
a687059c |
609 | else if (strEQ(d,"kill")) |
3f939f22 |
610 | *d = toUPPER(*d); |
8d063cd8 |
611 | ID(d); |
612 | case 'l': case 'L': |
613 | SNARFWORD; |
614 | if (strEQ(d,"length")) { |
615 | yylval = OLENGTH; |
616 | XTERM(FUN1); |
617 | } |
618 | if (strEQ(d,"log")) { |
619 | yylval = OLOG; |
620 | XTERM(FUN1); |
621 | } |
a687059c |
622 | if (strEQ(d,"last")) |
3f939f22 |
623 | *d = toUPPER(*d); |
a687059c |
624 | else if (strEQ(d,"local")) |
3f939f22 |
625 | *d = toUPPER(*d); |
a687059c |
626 | else if (strEQ(d,"lt")) |
3f939f22 |
627 | *d = toUPPER(*d); |
a687059c |
628 | else if (strEQ(d,"le")) |
3f939f22 |
629 | *d = toUPPER(*d); |
a687059c |
630 | else if (strEQ(d,"locatime")) |
3f939f22 |
631 | *d = toUPPER(*d); |
a687059c |
632 | else if (strEQ(d,"link")) |
3f939f22 |
633 | *d = toUPPER(*d); |
8d063cd8 |
634 | ID(d); |
635 | case 'm': case 'M': |
636 | SNARFWORD; |
a687059c |
637 | if (strEQ(d,"match")) { |
638 | set_array_base = TRUE; |
639 | XTERM(MATCH); |
640 | } |
641 | if (strEQ(d,"m")) |
3f939f22 |
642 | *d = toUPPER(*d); |
8d063cd8 |
643 | ID(d); |
644 | case 'n': case 'N': |
645 | SNARFWORD; |
646 | if (strEQ(d,"NF")) |
87250799 |
647 | do_chop = do_split = split_to_array = set_array_base = TRUE; |
8d063cd8 |
648 | if (strEQ(d,"next")) { |
649 | saw_line_op = TRUE; |
650 | XTERM(NEXT); |
651 | } |
a687059c |
652 | if (strEQ(d,"ne")) |
3f939f22 |
653 | *d = toUPPER(*d); |
8d063cd8 |
654 | ID(d); |
655 | case 'o': case 'O': |
656 | SNARFWORD; |
657 | if (strEQ(d,"ORS")) { |
658 | saw_ORS = TRUE; |
a687059c |
659 | d = "\\"; |
8d063cd8 |
660 | } |
661 | if (strEQ(d,"OFS")) { |
662 | saw_OFS = TRUE; |
a687059c |
663 | d = ","; |
8d063cd8 |
664 | } |
665 | if (strEQ(d,"OFMT")) { |
a687059c |
666 | d = "#"; |
8d063cd8 |
667 | } |
a687059c |
668 | if (strEQ(d,"open")) |
3f939f22 |
669 | *d = toUPPER(*d); |
a687059c |
670 | else if (strEQ(d,"ord")) |
3f939f22 |
671 | *d = toUPPER(*d); |
a687059c |
672 | else if (strEQ(d,"oct")) |
3f939f22 |
673 | *d = toUPPER(*d); |
8d063cd8 |
674 | ID(d); |
675 | case 'p': case 'P': |
676 | SNARFWORD; |
677 | if (strEQ(d,"print")) { |
678 | XTERM(PRINT); |
679 | } |
680 | if (strEQ(d,"printf")) { |
681 | XTERM(PRINTF); |
682 | } |
a687059c |
683 | if (strEQ(d,"push")) |
3f939f22 |
684 | *d = toUPPER(*d); |
a687059c |
685 | else if (strEQ(d,"pop")) |
3f939f22 |
686 | *d = toUPPER(*d); |
8d063cd8 |
687 | ID(d); |
688 | case 'q': case 'Q': |
689 | SNARFWORD; |
690 | ID(d); |
691 | case 'r': case 'R': |
692 | SNARFWORD; |
693 | if (strEQ(d,"RS")) { |
a687059c |
694 | d = "/"; |
8d063cd8 |
695 | saw_RS = TRUE; |
696 | } |
a687059c |
697 | if (strEQ(d,"rand")) { |
698 | yylval = ORAND; |
699 | XTERM(FUN1); |
700 | } |
701 | if (strEQ(d,"return")) |
702 | XTERM(RET); |
703 | if (strEQ(d,"reset")) |
3f939f22 |
704 | *d = toUPPER(*d); |
a687059c |
705 | else if (strEQ(d,"redo")) |
3f939f22 |
706 | *d = toUPPER(*d); |
a687059c |
707 | else if (strEQ(d,"rename")) |
3f939f22 |
708 | *d = toUPPER(*d); |
8d063cd8 |
709 | ID(d); |
710 | case 's': case 'S': |
711 | SNARFWORD; |
712 | if (strEQ(d,"split")) { |
713 | set_array_base = TRUE; |
714 | XOP(SPLIT); |
715 | } |
716 | if (strEQ(d,"substr")) { |
717 | set_array_base = TRUE; |
718 | XTERM(SUBSTR); |
719 | } |
a687059c |
720 | if (strEQ(d,"sub")) |
721 | XTERM(SUB); |
2efaeb47 |
722 | if (strEQ(d,"sprintf")) { |
723 | /* In old awk, { print sprintf("str%sg"),"in" } prints |
724 | * "string"; in new awk, "in" is not considered an argument to |
725 | * sprintf, so the statement breaks. To support both, the |
726 | * grammar treats arguments to SPRINTF_OLD like old awk, |
727 | * SPRINTF_NEW like new. Here we return the appropriate one. |
728 | */ |
729 | XTERM(old_awk ? SPRINTF_OLD : SPRINTF_NEW); |
730 | } |
8d063cd8 |
731 | if (strEQ(d,"sqrt")) { |
732 | yylval = OSQRT; |
733 | XTERM(FUN1); |
734 | } |
a687059c |
735 | if (strEQ(d,"SUBSEP")) { |
736 | d = ";"; |
737 | } |
738 | if (strEQ(d,"sin")) { |
739 | yylval = OSIN; |
740 | XTERM(FUN1); |
741 | } |
742 | if (strEQ(d,"srand")) { |
743 | yylval = OSRAND; |
744 | XTERM(FUN1); |
745 | } |
746 | if (strEQ(d,"system")) { |
747 | yylval = OSYSTEM; |
748 | XTERM(FUN1); |
749 | } |
750 | if (strEQ(d,"s")) |
3f939f22 |
751 | *d = toUPPER(*d); |
a687059c |
752 | else if (strEQ(d,"shift")) |
3f939f22 |
753 | *d = toUPPER(*d); |
a687059c |
754 | else if (strEQ(d,"select")) |
3f939f22 |
755 | *d = toUPPER(*d); |
a687059c |
756 | else if (strEQ(d,"seek")) |
3f939f22 |
757 | *d = toUPPER(*d); |
a687059c |
758 | else if (strEQ(d,"stat")) |
3f939f22 |
759 | *d = toUPPER(*d); |
a687059c |
760 | else if (strEQ(d,"study")) |
3f939f22 |
761 | *d = toUPPER(*d); |
a687059c |
762 | else if (strEQ(d,"sleep")) |
3f939f22 |
763 | *d = toUPPER(*d); |
a687059c |
764 | else if (strEQ(d,"symlink")) |
3f939f22 |
765 | *d = toUPPER(*d); |
a687059c |
766 | else if (strEQ(d,"sort")) |
3f939f22 |
767 | *d = toUPPER(*d); |
8d063cd8 |
768 | ID(d); |
769 | case 't': case 'T': |
770 | SNARFWORD; |
a687059c |
771 | if (strEQ(d,"tr")) |
3f939f22 |
772 | *d = toUPPER(*d); |
a687059c |
773 | else if (strEQ(d,"tell")) |
3f939f22 |
774 | *d = toUPPER(*d); |
a687059c |
775 | else if (strEQ(d,"time")) |
3f939f22 |
776 | *d = toUPPER(*d); |
a687059c |
777 | else if (strEQ(d,"times")) |
3f939f22 |
778 | *d = toUPPER(*d); |
8d063cd8 |
779 | ID(d); |
780 | case 'u': case 'U': |
781 | SNARFWORD; |
a687059c |
782 | if (strEQ(d,"until")) |
3f939f22 |
783 | *d = toUPPER(*d); |
a687059c |
784 | else if (strEQ(d,"unless")) |
3f939f22 |
785 | *d = toUPPER(*d); |
a687059c |
786 | else if (strEQ(d,"umask")) |
3f939f22 |
787 | *d = toUPPER(*d); |
a687059c |
788 | else if (strEQ(d,"unshift")) |
3f939f22 |
789 | *d = toUPPER(*d); |
a687059c |
790 | else if (strEQ(d,"unlink")) |
3f939f22 |
791 | *d = toUPPER(*d); |
a687059c |
792 | else if (strEQ(d,"utime")) |
3f939f22 |
793 | *d = toUPPER(*d); |
8d063cd8 |
794 | ID(d); |
795 | case 'v': case 'V': |
796 | SNARFWORD; |
a687059c |
797 | if (strEQ(d,"values")) |
3f939f22 |
798 | *d = toUPPER(*d); |
8d063cd8 |
799 | ID(d); |
800 | case 'w': case 'W': |
801 | SNARFWORD; |
802 | if (strEQ(d,"while")) |
803 | XTERM(WHILE); |
a687059c |
804 | if (strEQ(d,"write")) |
3f939f22 |
805 | *d = toUPPER(*d); |
a687059c |
806 | else if (strEQ(d,"wait")) |
3f939f22 |
807 | *d = toUPPER(*d); |
8d063cd8 |
808 | ID(d); |
809 | case 'x': case 'X': |
810 | SNARFWORD; |
a687059c |
811 | if (strEQ(d,"x")) |
3f939f22 |
812 | *d = toUPPER(*d); |
8d063cd8 |
813 | ID(d); |
814 | case 'y': case 'Y': |
815 | SNARFWORD; |
a687059c |
816 | if (strEQ(d,"y")) |
3f939f22 |
817 | *d = toUPPER(*d); |
8d063cd8 |
818 | ID(d); |
819 | case 'z': case 'Z': |
820 | SNARFWORD; |
821 | ID(d); |
822 | } |
823 | } |
824 | |
825 | char * |
f0f333f4 |
826 | scanpat(register char *s) |
8d063cd8 |
827 | { |
828 | register char *d; |
829 | |
830 | switch (*s++) { |
831 | case '/': |
832 | break; |
833 | default: |
834 | fatal("Search pattern not found:\n%s",str_get(linestr)); |
835 | } |
378cc40b |
836 | |
837 | d = tokenbuf; |
838 | for (; *s; s++,d++) { |
839 | if (*s == '\\') { |
840 | if (s[1] == '/') |
841 | *d++ = *s++; |
842 | else if (s[1] == '\\') |
843 | *d++ = *s++; |
bf10efe7 |
844 | else if (s[1] == '[') |
845 | *d++ = *s++; |
378cc40b |
846 | } |
847 | else if (*s == '[') { |
848 | *d++ = *s++; |
849 | do { |
850 | if (*s == '\\' && s[1]) |
851 | *d++ = *s++; |
852 | if (*s == '/' || (*s == '-' && s[1] == ']')) |
853 | *d++ = '\\'; |
854 | *d++ = *s++; |
855 | } while (*s && *s != ']'); |
856 | } |
857 | else if (*s == '/') |
858 | break; |
859 | *d = *s; |
860 | } |
861 | *d = '\0'; |
862 | |
8d063cd8 |
863 | if (!*s) |
864 | fatal("Search pattern not terminated:\n%s",str_get(linestr)); |
865 | s++; |
866 | yylval = string(tokenbuf,0); |
867 | return s; |
868 | } |
869 | |
75f92628 |
870 | void |
f0f333f4 |
871 | yyerror(char *s) |
8d063cd8 |
872 | { |
873 | fprintf(stderr,"%s in file %s at line %d\n", |
874 | s,filename,line); |
875 | } |
876 | |
877 | char * |
f0f333f4 |
878 | scannum(register char *s) |
8d063cd8 |
879 | { |
880 | register char *d; |
881 | |
882 | switch (*s) { |
883 | case '1': case '2': case '3': case '4': case '5': |
884 | case '6': case '7': case '8': case '9': case '0' : case '.': |
885 | d = tokenbuf; |
3f939f22 |
886 | while (isDIGIT(*s)) { |
8d063cd8 |
887 | *d++ = *s++; |
378cc40b |
888 | } |
bf10efe7 |
889 | if (*s == '.') { |
3f939f22 |
890 | if (isDIGIT(s[1])) { |
378cc40b |
891 | *d++ = *s++; |
3f939f22 |
892 | while (isDIGIT(*s)) { |
bf10efe7 |
893 | *d++ = *s++; |
894 | } |
378cc40b |
895 | } |
bf10efe7 |
896 | else |
897 | s++; |
378cc40b |
898 | } |
a0d0e21e |
899 | if (strchr("eE",*s) && strchr("+-0123456789",s[1])) { |
8d063cd8 |
900 | *d++ = *s++; |
378cc40b |
901 | if (*s == '+' || *s == '-') |
902 | *d++ = *s++; |
3f939f22 |
903 | while (isDIGIT(*s)) |
378cc40b |
904 | *d++ = *s++; |
905 | } |
8d063cd8 |
906 | *d = '\0'; |
907 | yylval = string(tokenbuf,0); |
908 | break; |
909 | } |
910 | return s; |
911 | } |
912 | |
748a9306 |
913 | int |
f0f333f4 |
914 | string(char *ptr, int len) |
8d063cd8 |
915 | { |
916 | int retval = mop; |
917 | |
918 | ops[mop++].ival = OSTRING + (1<<8); |
919 | if (!len) |
920 | len = strlen(ptr); |
f0f333f4 |
921 | ops[mop].cval = (char *) safemalloc(len+1); |
8d063cd8 |
922 | strncpy(ops[mop].cval,ptr,len); |
923 | ops[mop++].cval[len] = '\0'; |
a687059c |
924 | if (mop >= OPSMAX) |
925 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
926 | return retval; |
927 | } |
928 | |
748a9306 |
929 | int |
f0f333f4 |
930 | oper0(int type) |
8d063cd8 |
931 | { |
932 | int retval = mop; |
933 | |
934 | if (type > 255) |
935 | fatal("type > 255 (%d)\n",type); |
936 | ops[mop++].ival = type; |
a687059c |
937 | if (mop >= OPSMAX) |
938 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
939 | return retval; |
940 | } |
941 | |
748a9306 |
942 | int |
f0f333f4 |
943 | oper1(int type, int arg1) |
8d063cd8 |
944 | { |
945 | int retval = mop; |
946 | |
947 | if (type > 255) |
948 | fatal("type > 255 (%d)\n",type); |
949 | ops[mop++].ival = type + (1<<8); |
950 | ops[mop++].ival = arg1; |
a687059c |
951 | if (mop >= OPSMAX) |
952 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
953 | return retval; |
954 | } |
955 | |
748a9306 |
956 | int |
f0f333f4 |
957 | oper2(int type, int arg1, int arg2) |
8d063cd8 |
958 | { |
959 | int retval = mop; |
960 | |
961 | if (type > 255) |
962 | fatal("type > 255 (%d)\n",type); |
963 | ops[mop++].ival = type + (2<<8); |
964 | ops[mop++].ival = arg1; |
965 | ops[mop++].ival = arg2; |
a687059c |
966 | if (mop >= OPSMAX) |
967 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
968 | return retval; |
969 | } |
970 | |
748a9306 |
971 | int |
f0f333f4 |
972 | oper3(int type, int arg1, int arg2, int arg3) |
8d063cd8 |
973 | { |
974 | int retval = mop; |
975 | |
976 | if (type > 255) |
977 | fatal("type > 255 (%d)\n",type); |
978 | ops[mop++].ival = type + (3<<8); |
979 | ops[mop++].ival = arg1; |
980 | ops[mop++].ival = arg2; |
981 | ops[mop++].ival = arg3; |
a687059c |
982 | if (mop >= OPSMAX) |
983 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
984 | return retval; |
985 | } |
986 | |
748a9306 |
987 | int |
f0f333f4 |
988 | oper4(int type, int arg1, int arg2, int arg3, int arg4) |
8d063cd8 |
989 | { |
990 | int retval = mop; |
991 | |
992 | if (type > 255) |
993 | fatal("type > 255 (%d)\n",type); |
994 | ops[mop++].ival = type + (4<<8); |
995 | ops[mop++].ival = arg1; |
996 | ops[mop++].ival = arg2; |
997 | ops[mop++].ival = arg3; |
998 | ops[mop++].ival = arg4; |
a687059c |
999 | if (mop >= OPSMAX) |
1000 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
1001 | return retval; |
1002 | } |
1003 | |
748a9306 |
1004 | int |
f0f333f4 |
1005 | oper5(int type, int arg1, int arg2, int arg3, int arg4, int arg5) |
8d063cd8 |
1006 | { |
1007 | int retval = mop; |
1008 | |
1009 | if (type > 255) |
1010 | fatal("type > 255 (%d)\n",type); |
1011 | ops[mop++].ival = type + (5<<8); |
1012 | ops[mop++].ival = arg1; |
1013 | ops[mop++].ival = arg2; |
1014 | ops[mop++].ival = arg3; |
1015 | ops[mop++].ival = arg4; |
1016 | ops[mop++].ival = arg5; |
a687059c |
1017 | if (mop >= OPSMAX) |
1018 | fatal("Recompile a2p with larger OPSMAX\n"); |
8d063cd8 |
1019 | return retval; |
1020 | } |
1021 | |
1022 | int depth = 0; |
1023 | |
75f92628 |
1024 | void |
f0f333f4 |
1025 | dump(int branch) |
8d063cd8 |
1026 | { |
1027 | register int type; |
1028 | register int len; |
1029 | register int i; |
1030 | |
1031 | type = ops[branch].ival; |
1032 | len = type >> 8; |
1033 | type &= 255; |
1034 | for (i=depth; i; i--) |
1035 | printf(" "); |
1036 | if (type == OSTRING) { |
1037 | printf("%-5d\"%s\"\n",branch,ops[branch+1].cval); |
1038 | } |
1039 | else { |
1040 | printf("(%-5d%s %d\n",branch,opname[type],len); |
1041 | depth++; |
1042 | for (i=1; i<=len; i++) |
1043 | dump(ops[branch+i].ival); |
1044 | depth--; |
1045 | for (i=depth; i; i--) |
1046 | printf(" "); |
1047 | printf(")\n"); |
1048 | } |
1049 | } |
1050 | |
748a9306 |
1051 | int |
f0f333f4 |
1052 | bl(int arg, int maybe) |
8d063cd8 |
1053 | { |
1054 | if (!arg) |
1055 | return 0; |
1056 | else if ((ops[arg].ival & 255) != OBLOCK) |
1057 | return oper2(OBLOCK,arg,maybe); |
378cc40b |
1058 | else if ((ops[arg].ival >> 8) < 2) |
8d063cd8 |
1059 | return oper2(OBLOCK,ops[arg+1].ival,maybe); |
1060 | else |
1061 | return arg; |
1062 | } |
1063 | |
75f92628 |
1064 | void |
f0f333f4 |
1065 | fixup(STR *str) |
8d063cd8 |
1066 | { |
1067 | register char *s; |
1068 | register char *t; |
1069 | |
1070 | for (s = str->str_ptr; *s; s++) { |
1071 | if (*s == ';' && s[1] == ' ' && s[2] == '\n') { |
1072 | strcpy(s+1,s+2); |
1073 | s++; |
1074 | } |
1075 | else if (*s == '\n') { |
3f939f22 |
1076 | for (t = s+1; isSPACE(*t & 127); t++) ; |
8d063cd8 |
1077 | t--; |
3f939f22 |
1078 | while (isSPACE(*t & 127) && *t != '\n') t--; |
8d063cd8 |
1079 | if (*t == '\n' && t-s > 1) { |
1080 | if (s[-1] == '{') |
1081 | s--; |
1082 | strcpy(s+1,t); |
1083 | } |
1084 | s++; |
1085 | } |
1086 | } |
1087 | } |
1088 | |
75f92628 |
1089 | void |
f0f333f4 |
1090 | putlines(STR *str) |
8d063cd8 |
1091 | { |
1092 | register char *d, *s, *t, *e; |
1093 | register int pos, newpos; |
1094 | |
1095 | d = tokenbuf; |
1096 | pos = 0; |
1097 | for (s = str->str_ptr; *s; s++) { |
1098 | *d++ = *s; |
1099 | pos++; |
1100 | if (*s == '\n') { |
1101 | *d = '\0'; |
1102 | d = tokenbuf; |
1103 | pos = 0; |
1104 | putone(); |
1105 | } |
1106 | else if (*s == '\t') |
1107 | pos += 7; |
1108 | if (pos > 78) { /* split a long line? */ |
1109 | *d-- = '\0'; |
1110 | newpos = 0; |
3f939f22 |
1111 | for (t = tokenbuf; isSPACE(*t & 127); t++) { |
8d063cd8 |
1112 | if (*t == '\t') |
1113 | newpos += 8; |
1114 | else |
1115 | newpos += 1; |
1116 | } |
1117 | e = d; |
1118 | while (d > tokenbuf && (*d != ' ' || d[-1] != ';')) |
1119 | d--; |
1120 | if (d < t+10) { |
1121 | d = e; |
1122 | while (d > tokenbuf && |
1123 | (*d != ' ' || d[-1] != '|' || d[-2] != '|') ) |
1124 | d--; |
1125 | } |
1126 | if (d < t+10) { |
1127 | d = e; |
1128 | while (d > tokenbuf && |
1129 | (*d != ' ' || d[-1] != '&' || d[-2] != '&') ) |
1130 | d--; |
1131 | } |
1132 | if (d < t+10) { |
1133 | d = e; |
1134 | while (d > tokenbuf && (*d != ' ' || d[-1] != ',')) |
1135 | d--; |
1136 | } |
1137 | if (d < t+10) { |
1138 | d = e; |
1139 | while (d > tokenbuf && *d != ' ') |
1140 | d--; |
1141 | } |
1142 | if (d > t+3) { |
fe14fcc3 |
1143 | char save[2048]; |
1144 | strcpy(save, d); |
1145 | *d = '\n'; |
1146 | d[1] = '\0'; |
8d063cd8 |
1147 | putone(); |
1148 | putchar('\n'); |
1149 | if (d[-1] != ';' && !(newpos % 4)) { |
1150 | *t++ = ' '; |
1151 | *t++ = ' '; |
1152 | newpos += 2; |
1153 | } |
fe14fcc3 |
1154 | strcpy(t,save+1); |
8d063cd8 |
1155 | newpos += strlen(t); |
1156 | d = t + strlen(t); |
1157 | pos = newpos; |
1158 | } |
1159 | else |
1160 | d = e + 1; |
1161 | } |
1162 | } |
1163 | } |
1164 | |
75f92628 |
1165 | void |
f0f333f4 |
1166 | putone(void) |
8d063cd8 |
1167 | { |
1168 | register char *t; |
1169 | |
1170 | for (t = tokenbuf; *t; t++) { |
1171 | *t &= 127; |
1172 | if (*t == 127) { |
1173 | *t = ' '; |
1174 | strcpy(t+strlen(t)-1, "\t#???\n"); |
378cc40b |
1175 | checkers++; |
8d063cd8 |
1176 | } |
1177 | } |
1178 | t = tokenbuf; |
1179 | if (*t == '#') { |
1180 | if (strnEQ(t,"#!/bin/awk",10) || strnEQ(t,"#! /bin/awk",11)) |
1181 | return; |
378cc40b |
1182 | if (strnEQ(t,"#!/usr/bin/awk",14) || strnEQ(t,"#! /usr/bin/awk",15)) |
1183 | return; |
8d063cd8 |
1184 | } |
1185 | fputs(tokenbuf,stdout); |
1186 | } |
1187 | |
748a9306 |
1188 | int |
f0f333f4 |
1189 | numary(int arg) |
8d063cd8 |
1190 | { |
1191 | STR *key; |
1192 | int dummy; |
1193 | |
a687059c |
1194 | key = walk(0,0,arg,&dummy,P_MIN); |
8d063cd8 |
1195 | str_cat(key,"[]"); |
1196 | hstore(symtab,key->str_ptr,str_make("1")); |
1197 | str_free(key); |
1198 | set_array_base = TRUE; |
1199 | return arg; |
1200 | } |
a687059c |
1201 | |
748a9306 |
1202 | int |
f0f333f4 |
1203 | rememberargs(int arg) |
a687059c |
1204 | { |
1205 | int type; |
1206 | STR *str; |
1207 | |
1208 | if (!arg) |
1209 | return arg; |
1210 | type = ops[arg].ival & 255; |
1211 | if (type == OCOMMA) { |
1212 | rememberargs(ops[arg+1].ival); |
1213 | rememberargs(ops[arg+3].ival); |
1214 | } |
1215 | else if (type == OVAR) { |
1216 | str = str_new(0); |
1217 | hstore(curarghash,ops[ops[arg+1].ival+1].cval,str); |
1218 | } |
1219 | else |
1220 | fatal("panic: unknown argument type %d, line %d\n",type,line); |
1221 | return arg; |
1222 | } |
1223 | |
748a9306 |
1224 | int |
f0f333f4 |
1225 | aryrefarg(int arg) |
a687059c |
1226 | { |
1227 | int type = ops[arg].ival & 255; |
1228 | STR *str; |
1229 | |
1230 | if (type != OSTRING) |
1231 | fatal("panic: aryrefarg %d, line %d\n",type,line); |
1232 | str = hfetch(curarghash,ops[arg+1].cval); |
1233 | if (str) |
1234 | str_set(str,"*"); |
1235 | return arg; |
1236 | } |
1237 | |
748a9306 |
1238 | int |
f0f333f4 |
1239 | fixfargs(int name, int arg, int prevargs) |
a687059c |
1240 | { |
1241 | int type; |
1242 | STR *str; |
b7953727 |
1243 | int numargs = 0; |
a687059c |
1244 | |
1245 | if (!arg) |
1246 | return prevargs; |
1247 | type = ops[arg].ival & 255; |
1248 | if (type == OCOMMA) { |
1249 | numargs = fixfargs(name,ops[arg+1].ival,prevargs); |
1250 | numargs = fixfargs(name,ops[arg+3].ival,numargs); |
1251 | } |
1252 | else if (type == OVAR) { |
1253 | str = hfetch(curarghash,ops[ops[arg+1].ival+1].cval); |
1254 | if (strEQ(str_get(str),"*")) { |
1255 | char tmpbuf[128]; |
1256 | |
1257 | str_set(str,""); /* in case another routine has this */ |
1258 | ops[arg].ival &= ~255; |
1259 | ops[arg].ival |= OSTAR; |
1260 | sprintf(tmpbuf,"%s:%d",ops[name+1].cval,prevargs); |
1261 | fprintf(stderr,"Adding %s\n",tmpbuf); |
1262 | str = str_new(0); |
1263 | str_set(str,"*"); |
1264 | hstore(curarghash,tmpbuf,str); |
1265 | } |
1266 | numargs = prevargs + 1; |
1267 | } |
1268 | else |
1269 | fatal("panic: unknown argument type %d, arg %d, line %d\n", |
39c3038c |
1270 | type,prevargs+1,line); |
a687059c |
1271 | return numargs; |
1272 | } |
1273 | |
748a9306 |
1274 | int |
f0f333f4 |
1275 | fixrargs(char *name, int arg, int prevargs) |
a687059c |
1276 | { |
1277 | int type; |
1278 | STR *str; |
1279 | int numargs; |
1280 | |
1281 | if (!arg) |
1282 | return prevargs; |
1283 | type = ops[arg].ival & 255; |
1284 | if (type == OCOMMA) { |
1285 | numargs = fixrargs(name,ops[arg+1].ival,prevargs); |
1286 | numargs = fixrargs(name,ops[arg+3].ival,numargs); |
1287 | } |
1288 | else { |
f0f333f4 |
1289 | char *tmpbuf = (char *) safemalloc(strlen(name) + (sizeof(prevargs) * 3) + 5); |
a687059c |
1290 | sprintf(tmpbuf,"%s:%d",name,prevargs); |
1291 | str = hfetch(curarghash,tmpbuf); |
ece629c6 |
1292 | safefree(tmpbuf); |
a687059c |
1293 | if (str && strEQ(str->str_ptr,"*")) { |
1294 | if (type == OVAR || type == OSTAR) { |
1295 | ops[arg].ival &= ~255; |
1296 | ops[arg].ival |= OSTAR; |
1297 | } |
1298 | else |
1299 | fatal("Can't pass expression by reference as arg %d of %s\n", |
1300 | prevargs+1, name); |
1301 | } |
1302 | numargs = prevargs + 1; |
1303 | } |
1304 | return numargs; |
1305 | } |