forked from farisawan-2000/cfront-3
-
Notifications
You must be signed in to change notification settings - Fork 0
/
main.c
913 lines (843 loc) · 31 KB
/
main.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
/*ident "@(#)cls4:src/main.c 1.26" */
/*******************************************************************************
C++ source for the C++ Language System, Release 3.0. This product
is a new release of the original cfront developed in the computer
science research center of AT&T Bell Laboratories.
Copyright (c) 1993 UNIX System Laboratories, Inc.
Copyright (c) 1991, 1992 AT&T and UNIX System Laboratories, Inc.
Copyright (c) 1984, 1989, 1990 AT&T. All Rights Reserved.
THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE of AT&T and UNIX System
Laboratories, Inc. The copyright notice above does not evidence
any actual or intended publication of such source code.
main.c:
Initialize global environment
Read argument line
Start compilation
Clean up and exit
**************************************************************************/
#ifdef __cplusplus
#include <stdlib.h>
#endif
#include <ctype.h>
#include <string.h>
// #include <libc.h>
// #include <osfcn.h>
#include "size.h"
#include "cfront.h"
#include "template.h"
#ifdef LICENSE_MAN
#include "sdelicense.h"
#include "sdetoolnum.h"
#endif
char *prog_name = "<<AT&T C++ Language System <3.0.3> 05/05/94>>";
static char *prog_vers = "__cfront_version_303_xxxxxxxx";
char *src_file_name = "";
char *line_format = "\n# %d \"%s\"\n";
Block(Pchar) instfct;
Block(Pchar) instdata;
bit all_flag, alltc_flag, data_flag, ft_flag, none_flag;
int noinst, nodatainst;
#ifdef unix
#include <signal.h>
#ifdef TEST_SUITE
#define INTERNAL2 126
#endif
static void core_dump(int = 0) {
if (error_count)
fprintf(stderr, "sorry, cannot recover from previous error\n");
else
error('i', "bus error (or something nasty like that)");
#ifdef TEST_SUITE
ext(INTERNAL2);
#else
ext(99);
#endif
}
#endif
Plist isf_list;
Pstmt st_ilist;
Pstmt st_dlist;
Ptable sti_tbl;
Ptable std_tbl;
Plist stat_mem_list;
int vtbl_opt = -1; // how to deal with vtbls:
// -1 static and defined
// 0 external and supposed to be defined elsewhere
// 1 external and defined
int debug_opt;
static int gplus_opt; // -g to cc, overrides print optimization
int ansi_opt;
int strict_opt; // disallow features from the anachronism section
// of the manual
int warning_opt; // produce more warnings if set
int dem_opt_local = 0;
int dem_opt_mem = 0;
int perf_opt = 0; // Break link compatibility performance option
// ** For now there is no option to turn this on
int pt_opt; // it need pt instantiation mechanism
int dtpt_opt = 0; // if need pt instantiation mechanism
int se_opt = 0; // silent on errors if not instantiating
bit stmtno = 0;
int inline_opt;
extern void simpl_init();
extern void typ_init();
extern void syn_init();
extern void lex_init();
extern void error_init();
char *st_name(char *); // generates names of static ctor, dtor callers, ptbl_vec
Pname def_name; // first definition in file
Pname pdef_name; // used with ptbl_vec if function is first definition
int syn_count = 0; // to set conditional breakpoints to find particular expressions
void run()
/*
run the appropriate stages
*/
{
Pname n;
templp = new templ_compilation; // canonical instance
while (n = syn()) {
int oerror_count = error_count;
if (n == Pname(1))
continue;
if (n->n_list)
PERM(n->tp);
DB(if (Rdebug >= 1)
error('d', "run: syn():%n%t base%k ll %d", n, n->tp, n->base, n->lex_level););
templp->instantiate_ref_templ();
for (Pname nx, nn = n; nn; nn = nx) {
Pname rr;
++syn_count;
nx = nn->n_list;
nn->n_list = 0;
DB(if (Rdebug >= 1)
error('d', "run dcl:%n%t base%k ll %d", nn, nn->tp, nn->base, nn->lex_level);
if (Rdebug >= 2) display_expr(nn, "nn"););
if ((rr = nn->dcl(gtbl, EXTERN)) == 0 || nn->base == 0 || (error_count > oerror_count))
continue;
DB(if (Rdebug >= 1) if (rr)
error('d', "run rr:%n%t base%k ll %d", rr, rr->tp, rr->base, rr->lex_level);
else error('d', "run rr: 0"); if (Rdebug >= 2) display_expr(rr, "rr"););
DB(if (Rdebug >= 1)
error('d', "run simpl:%n%t base%k ll %d", nn, nn->tp, nn->base, nn->lex_level););
nn->simpl();
if (error_count) {
continue;
}
DB(if (Rdebug >= 1) error('d', "run:print():%n (%k) tp%t", nn, nn->base, nn->tp););
if (nn->base != TNAME) {
Ptype t = nn->tp->skiptypedefs();
switch (t->base) {
case CLASS:
// error('d',"main:C:%n; n_redefined: %d", nn, nn->n_redefined);
DB(if (Rdebug >= 1) fprintf(stderr, " -- class\n"););
if (vtbl_opt == 1 || gplus_opt || nn->n_redefined == 1)
nn->dcl_print(0);
break;
case ENUM:
DB(if (Rdebug >= 1) fprintf(stderr, " -- enum\n"););
Penum(nn->tp)->dcl_print(0);
break;
case FCT:
DB(if (Rdebug >= 1) error('d', " -- fct%n inline %d body %d", nn,
Pfct(t)->f_inline, Pfct(t)->body););
if (Pfct(t)->body == 0
|| (debug_opt == 0 && Pfct(t)->f_inline
&& (n->n_table != gtbl || strcmp(nn->string, "main")))
|| Pfct(t)->f_imeasure && Pfct(t)->f_inline == 0)
break;
DB(if (Rdebug >= 1) error('d', "rr%n inline %d body %d", rr,
Pfct(rr->tp)->f_inline, Pfct(rr->tp)->body););
rr->dcl_print(0);
break;
default: {
// print class def, if appropriate
// can't use tsizeof() since this may
// print an error if class isn't defined
DB(if (Rdebug >= 1) error('d', " --%n tpbase:%k", nn, nn->tp->base););
for (Ptype tx = t;;) {
switch (tx->base) {
case VEC:
tx = Pvec(tx)->typ;
continue;
case TYPE:
case COBJ:
tx = Pbase(tx)->b_name->tp;
continue;
case CLASS: {
Pclass cl = Pclass(tx);
if ((cl->defined & (DEFINED | SIMPLIFIED)) && cl->c_body == 1)
cl->dcl_print(0);
break;
}
}
break;
}
nn->dcl_print(0);
}
}
} else
nn->dcl_print(0);
if (error_count)
continue;
DB(if (Rdebug >= 1) error('d', "run: cleanup"););
if (nn->base == TNAME)
continue;
switch (nn->tp->base) { // clean up
default: {
Pexpr i = nn->n_initializer;
DB(if (Rdebug >= 1) error('d', "default nn%n i %d", nn, i););
if (i && i != Pexpr(1)) {
DEL(i);
nn->n_initializer = 0;
if (def_name == 0 && rr->n_scope != STATIC) {
def_name = rr;
}
}
break;
}
case FCT: {
if (nn->n_oper == CTOR)
break; // at least for now, need the f_this
Pfct f = Pfct(nn->tp);
DB(if (Rdebug >= 1) error('d', "function nn:%n local_class: %d %d", nn, local_class,
f->local_class););
if (f->body && f->f_inline == 0 && f->f_imeasure == 0) {
if (local_class = f->local_class) {
delete_local();
local_class = 0;
}
if (ansi_opt && f->f_this) {
f->f_this->n_table = 0;
for (Pname n = f->f_this->n_list; n; n = n->n_list)
n->n_table = 0;
}
DEL(f->body);
if (def_name == 0) {
def_name = rr;
}
}
break;
}
case CLASS: {
Pclass cl = Pclass(nn->tp);
for (Pname px, p = cl->mem_list; p; p = px) {
px = p->n_list;
p->n_list = 0;
if (p->tp) {
switch (p->tp->base) {
case FCT: {
Pfct f = (Pfct) p->tp;
if (f->body && f->f_inline == 0 && f->f_imeasure == 0) {
if (local_class = f->local_class) {
delete_local();
local_class = 0;
}
DEL(f->body);
f->body = 0;
}
}
case CLASS:
case ENUM:
case TYPE:
break;
case COBJ:
case EOBJ:
DEL(p);
break;
default:
delete p;
}
} else {
delete p;
}
} // for
cl->mem_list = 0;
cl->permanent = 3;
break;
}
}
DEL(nn);
Ntmp_dtor = 0;
}
lex_clear();
}
templp->end_of_compilation();
if (error_count)
return;
int i = 1;
for (Pname m = gtbl->get_mem(i); m; NEXT_NAME(gtbl, m, i)) {
if (m->base == TNAME || m->n_sto == EXTERN || m->n_stclass == ENUM)
continue;
Ptype t = m->tp;
if (t == 0)
continue;
switch (t->base) {
case CLASS:
case ENUM:
case OVERLOAD:
continue;
case COBJ:
case VEC:
break;
case FCT:
if (Pfct(t)->f_inline || Pfct(t)->body == 0)
continue;
break;
}
// error('d',&m->where,"%n %d %d %s",m,m->n_addr_taken,m->n_used,m->n_sto==STATIC?"static":"");
// xxx doesn't check anon union members as their use bits are set differently
if (m->n_addr_taken == 0 && m->n_used == 0 && m->n_sto == STATIC) { // (static or anon?)
for (;;) {
// error('d',&m->where," %t tconst(): %d",t,t->tconst());
if (t->base == TYPE) {
if (t->tconst())
break;
t = Pbase(t)->b_name->tp;
} else if (t->base == VEC) {
t = Pvec(t)->typ;
} else {
if (t->tconst() == 0) {
// error('d',"m%n tp%t t%t",m,m->tp,t);
if (t->base != COBJ)
error('w', &m->where, "%n defined but not used", m);
else {
Pclass cl = Pclass(Pbase(t)->b_name->tp);
if (cl->has_ctor() == 0 && cl->csu != ANON)
error('w', &m->where, "%n defined but not used", m);
}
} // if const
break;
}
} // for
} // if static and not used
}
Pname ctor = 0;
Pname dtor = 0;
--curloc.line;
if (st_ilist) { // make an "init" function;
// it calls all constructors for static objects
DB(if (Rdebug >= 1) error('d', "make sti"););
Pname n = new name(st_name("__sti__"));
Pfct f = new fct(void_type, 0, 1);
n->tp = f;
f->body = new block(st_ilist->where, 0, st_ilist);
f->body->memtbl = sti_tbl;
n->n_sto = EXTERN;
ignore_const++; // assignments here are really initializations:
f->f_linkage = linkage_C;
f->sign();
(void) n->dcl(gtbl, EXTERN);
ignore_const--;
n->simpl();
n->dcl_print(0);
ctor = n;
}
if (st_dlist) { // make a "done" function;
// it calls all destructors for static objects
DB(if (Rdebug >= 1) error('d', "make std"););
Pname n = new name(st_name("__std__"));
Pfct f = new fct(void_type, 0, 1);
n->tp = f;
f->body = new block(st_dlist->where, 0, st_dlist);
f->body->memtbl = std_tbl;
n->n_sto = EXTERN;
f->f_linkage = linkage_C;
f->sign();
(void) n->dcl(gtbl, EXTERN);
n->simpl();
n->dcl_print(0);
dtor = n;
}
#ifdef PATCH
/*For fast load: make a static "__link" */
if (ctor || dtor) {
printf("static struct __linkl { struct __linkl * next;\n");
if (ansi_opt)
printf("void (*ctor)(); void (*dtor)(); } __link = \n");
else
printf("char (*ctor)(); char (*dtor)(); } __link = \n");
putstring("{ (struct __linkl *)0, ");
if (ctor)
ctor->print();
else
putch('0');
putch(',');
if (dtor)
dtor->print();
else
putch('0');
putstring("};\n");
}
#endif
DB(if (Rdebug >= 1) error('d', "run: vlist: %d", vlist););
do {
for (vl *v = vlist; v; v = v->next)
v->cl->really_print(v->vt);
vlist = 0;
for (Plist l = isf_list; l; l = l->l) {
Pname n = l->f;
Pfct f = Pfct(n->tp);
DB(if (Rdebug >= 1) error('d', "isf%n%t f %d addr %d", n, f, f, n->n_addr_taken););
if (f->base == OVERLOAD) {
n = Pgen(f)->fct_list->f; // first fct
f = Pfct(n->tp);
}
if (debug_opt == 0 && n->n_addr_taken) {
f->f_inline = 0;
if (n->n_dcl_printed < 2) {
if (f->fct_base == INSTANTIATED)
current_fct_instantiation = f;
if (warning_opt)
error('w', "out-of-line copy of%n created", n);
n->dcl_print(0);
if (f->fct_base == INSTANTIATED)
current_fct_instantiation = 0;
}
}
}
} while (vlist);
if (strict_opt == 0) { // define static members
// patch for SysV VAX -g linkage botch
for (Plist l = stat_mem_list; l; l = l->l) {
extern int ispt_data(Pname);
Pname n = l->f;
if (ispt_data(n))
continue;
// error('d',"stat mem%n %d %d ",n,n->n_initializer,n->n_evaluated);
if (n->n_initializer == 0 && n->n_evaluated == 0) {
Ptype t = n->tp;
n->n_sto = 0;
Pname cn = t->is_cl_obj();
if (cn == 0)
cn = cl_obj_vec;
if (cn && ((Pclass(cn->tp)->defined & (DEFINED | SIMPLIFIED)))) {
fake_sizeof = 1;
Loc oldloc = curloc;
curloc = n->where;
(void) t->tsizeof(); // be sure to print class
curloc = oldloc;
fake_sizeof = 0;
}
// error('d',"t->is_ref() is %d",t->is_ref());
// error('d',"pclass(cn->tp)->has_ctor() is %d",Pclass(cn->tp)->has_ctor());
if (cn
&& (Pclass(cn->tp)->has_ctor() || t->is_ref()
|| ((Pclass(cn->tp)->defined & (DEFINED | SIMPLIFIED)) == 0)))
; // force explicit definition
else {
if (n->tp->base == VEC && Pvec(n->tp)->size == 0)
; // force explicit def
else {
Loc oldloc = curloc;
curloc = n->where;
fake_sizeof = 1;
n->dcl_print(0);
fake_sizeof = 0;
curloc = oldloc;
}
}
}
}
}
i = 1;
for (Pname nm = ptbl->get_mem(i); nm; NEXT_NAME(ptbl, nm, i)) {
DB(if (Rdebug >= 1)
error('d', "ptbl anme %s string2 %s key:%k", nm->string == 0 ? "???" : nm->string2,
nm->string2 == 0 ? "???" : nm->string2, nm->n_key););
if (nm->n_key == 0) { // ptbl used in file, generate definition
int str1 = (*src_file_name) ? strlen(src_file_name) + 2 : 0; // +2 for __
int str2 = strlen(nm->string2) - str1;
char *ps = new char[str2 + 1];
strncpy(ps, nm->string2, str2); // grab vtbl name
ps[str2] = '\0';
ps[2] = 'v';
fprintf(out_file, "extern struct __mptr %s[];\n", ps);
ptbl_add_pair(nm->string2, ps);
delete ps;
}
}
ptbl_init(1);
curloc.putline();
fprintf(out_file, "\n/* the end */\n");
}
void set_flags() {
all_flag = 0;
alltc_flag = 0;
data_flag = 0;
ft_flag = 0;
none_flag = 0;
for (int i = 0; i < noinst; i++) {
if (strcmp("@all", instfct[i]) == 0)
all_flag = 1;
if (strcmp("@alltc", instfct[i]) == 0)
alltc_flag = 1;
if (strcmp("@data", instfct[i]) == 0)
data_flag = 1;
if (strcmp("@ft", instfct[i]) == 0)
ft_flag = 1;
if (strcmp("@none", instfct[i]) == 0)
none_flag = 1;
}
}
#ifdef DBG
int Adebug = 0;
int Bdebug = 0;
char *Bdebarg = 0;
int Ddebug = 0;
int Edebug = 0;
int Kdebug = 0;
int Ldebug = 0;
int Mdebug = 0;
int Ndebug = 0;
int Pdebug = 0;
int Rdebug = 0;
int Sdebug = 0;
int Tdebug = 0;
// Ydebug == yydebug initialized in y.tab.c
void process_debug_flags(char *p) {
// arg to +Dxxx or debugging comments //@!xxx
// format of xxx == sequence of any combination of
// +flags -- increment flags (default)
// -flags -- decrement flags
// 0flags -- unset flags
// where flags are single chars
int incr = 1;
char c;
fprintf(stderr, "\n*** processing debugging flags '%s'\n", p);
while (c = *p++) {
switch (c) {
case '+':
incr = 1;
break;
case '-':
incr = -1;
break;
case '0':
incr = 0;
break;
case ' ':
break;
// flags...
case 'A':
if (incr == 0)
Adebug = 0;
else
Adebug += incr;
break;
case 'B':
if (incr == 0)
Bdebug = 0;
else
Bdebug += incr;
if (*p == ':') {
if (*++p) {
Bdebarg = new char[strlen(p) + 1];
strcpy(Bdebarg, p);
} else
Bdebarg = 0;
p = "";
}
break;
case 'D':
if (incr == 0)
Ddebug = 0;
else
Ddebug += incr;
break;
case 'E':
if (incr == 0)
Edebug = 0;
else
Edebug += incr;
break;
case 'K':
if (incr == 0)
Kdebug = 0;
else
Kdebug += incr;
break;
case 'L':
if (incr == 0)
Ldebug = 0;
else
Ldebug += incr;
break;
case 'M':
if (incr == 0)
Mdebug = 0;
else
Mdebug += incr;
break;
case 'N':
if (incr == 0)
Ndebug = 0;
else
Ndebug += incr;
break;
case 'P':
if (incr == 0)
Pdebug = 0;
else
Pdebug += incr;
break;
case 'R':
if (incr == 0)
Rdebug = 0;
else
Rdebug += incr;
break;
case 'S':
if (incr == 0)
Sdebug = 0;
else
Sdebug += incr;
break;
case 'T':
if (incr == 0)
Tdebug = 0;
else
Tdebug += incr;
break;
case 'Y':
if (incr == 0)
Ydebug = 0;
else
Ydebug += incr;
break;
default:
error('w', "unknown debugging flag '%c'", c);
}
}
}
#endif /*DBG*/
main(int argc, char *argv[])
/*
read options, initialize, and run
*/
{
register char *cp;
char *afile = "";
#ifdef unix
#ifdef COMPLETE_SIG_PF
signal(SIGILL, core_dump);
signal(SIGIOT, core_dump);
signal(SIGEMT, core_dump);
signal(SIGFPE, core_dump);
signal(SIGBUS, core_dump);
signal(SIGSEGV, core_dump);
#else
typedef void (*ST)(int...); // trick to circumvent problems with old
ST sick = ST(&signal); // (or C) versions <signal.h>
(*sick)(SIGILL, core_dump);
(*sick)(SIGIOT, core_dump);
(*sick)(SIGEMT, core_dump);
(*sick)(SIGFPE, core_dump);
(*sick)(SIGBUS, core_dump);
(*sick)(SIGSEGV, core_dump);
#endif
#endif
error_init();
#ifdef LICENSE_MAN
sde_check_license("cfront", CFRONTNUM, 0);
#endif
for (int i = 1; i < argc; ++i) {
switch (*(cp = argv[i])) {
case '+':
while (*++cp) {
switch (*cp) {
case 'U':
dem_opt_local = 1;
dem_opt_mem = 1;
break;
case 'I':
inline_opt = 1;
break;
case 'J':
extern int size_complexity_measure;
size_complexity_measure = atoi(cp + 1);
while (*++cp)
;
cp--;
break;
case 'f':
src_file_name = cp + 1;
goto xx;
case 'x': // read cross compilation table
if (read_align(afile = cp + 1)) {
fprintf(stderr, "bad size-table (option +x)\n");
exit(11);
}
goto xx;
case 'e':
switch (*++cp) {
case '0':
case '1':
vtbl_opt = *cp - '0';
break;
default:
fprintf(stderr, "bad +e option\n");
exit(11);
}
break;
case 'd':
debug_opt = 1;
break;
case 'g':
gplus_opt = 1;
break;
case 'D':
#ifdef DBG
process_debug_flags(++cp);
#else
error('w', "cfront not compiled for debugging -- +D%s ignored", ++cp);
#endif
goto xx;
case 'w':
warning_opt = 1;
break;
case 'a':
switch (*++cp) {
case '0':
case '1':
ansi_opt = *cp - '0';
break;
default:
fprintf(stderr, "bad +a option\n");
exit(11);
}
break;
case 'p':
strict_opt = 1;
break;
case 'L':
line_format = "\n#line %d \"%s\"\n";
break;
case 's':
se_opt = 1;
break;
case 't':
pt_opt = 1;
pt_file = fopen(cp + 1, "w");
if (pt_file == NULL) {
fprintf(stderr, "Failed to open %s\n", cp + 1);
exit(11);
}
goto xx;
case 'T': {
dtpt_opt = 1;
dtpt_file = fopen(cp + 1, "r");
if (dtpt_file == NULL) {
fprintf(stderr, "Failed to open %s\n", cp + 1);
exit(11);
}
char tempstring[1024];
noinst = 0;
while (fscanf(dtpt_file, "%s", tempstring) != EOF) {
instfct.reserve(noinst);
instfct[noinst] = new char[strlen(tempstring) + 1];
strcpy(instfct[noinst], tempstring);
noinst++;
if (strcmp(tempstring, "@data") == 0) {
bit EOLflag = 0;
char c;
nodatainst = 0;
int index = 0;
char ntempstring[1024];
while (EOLflag == 0 && fscanf(dtpt_file, "%c", &c) != EOF) {
switch (c) {
case '\n':
EOLflag = 1;
case ' ':
case '\t':
ntempstring[index] = '\0';
if (index != 0) {
instdata[nodatainst] =
new char[strlen(ntempstring) + 1];
strcpy(instdata[nodatainst], ntempstring);
nodatainst++;
}
index = 0;
break;
default:
if (index == 0)
instdata.reserve(nodatainst);
ntempstring[index] = c;
index++;
break;
} /* switch */
}
} /* if @data */
};
set_flags();
}
goto xx;
default:
fprintf(stderr, "%s: unexpected option: +%c ignored\n", prog_name, *cp);
}
}
xx:
break;
default:
fprintf(stderr, "%s: bad argument \"%s\"\n", prog_name, cp);
exit(11);
}
}
fprintf(out_file, line_format + 1, 1, src_file_name); // strips leading \n
fprintf(out_file, "\n/* %s */\n", prog_name);
fprintf(out_file, "char %s;\n", prog_vers);
if (*src_file_name)
fprintf(out_file, "/* < %s > */\n", src_file_name);
fflush(stderr);
otbl_init();
lex_init();
syn_init();
typ_init();
simpl_init();
ptbl_init(0);
scan_started = 1;
curloc.putline();
if ((BI_IN_BYTE == 0) && (SZ_INT == 0) && (SZ_WPTR == 0))
error("no size/alignment values - use +x of provide #ifdef in size.h");
run();
exit((0 <= error_count && error_count < 127) ? error_count : 127);
}
char *st_name(char *pref)
/*
make name "pref|source_file_name|_" or "pref|source_file_name|_"
where non alphanumeric characters are replaced with '_'
and add def_name at end to ensure uniqueness
*/
{
int prefl = strlen(pref);
int strl = prefl + 2; // trailing '_' and 0
if (*src_file_name)
strl += strlen(src_file_name);
char *defs;
int defl;
if (def_name) {
defs = def_name->string;
defl = strlen(defs) + 1; // '_'
} else {
defs = 0;
defl = 0;
}
char *name = new char[strl + defl];
strcpy(name, pref);
if (*src_file_name)
strcpy(name + prefl, src_file_name);
name[strl - 2] = '_';
name[strl - 1] = 0;
for (char *p = name; *p; p++)
if (!isalpha(*p) && !isdigit(*p))
*p = '_';
if (defs) {
strcpy(name + strl - 1, defs); // after the '_'
name[strl + defl - 2] = '_';
name[strl + defl - 1] = 0;
}
#ifdef DENSE
void chop(char *);
chop(name);
#endif
return name;
}