summaryrefslogtreecommitdiff
path: root/Build/source/texk/web2c/cwebdir/ctangle.c
blob: b0400a3fae74fc7b330608224fbfbe8f13faee1b (plain)
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
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
/*1:*/
#line 66 "ctangle.w"

/*4:*/
#line 44 "common.h"

#include <ctype.h>  
#include <stdbool.h>  
#include <stddef.h>  
#include <stdint.h>  
#include <stdio.h>  
#include <stdlib.h>  
#include <string.h>  

/*:4*/
#line 67 "ctangle.w"

#define banner "This is CTANGLE (Version 4.5)" \

#define ctangle false
#define cweave true \

#define and_and 04
#define lt_lt 020
#define gt_gt 021
#define plus_plus 013
#define minus_minus 01
#define minus_gt 031
#define non_eq 032
#define lt_eq 034
#define gt_eq 035
#define eq_eq 036
#define or_or 037
#define dot_dot_dot 016
#define colon_colon 06
#define period_ast 026
#define minus_gt_ast 027 \

#define compress(c) if(loc++<=limit) return c \

#define xisalpha(c) (isalpha((int) (c) ) &&((eight_bits) (c) <0200) ) 
#define xisdigit(c) (isdigit((int) (c) ) &&((eight_bits) (c) <0200) ) 
#define xisspace(c) (isspace((int) (c) ) &&((eight_bits) (c) <0200) ) 
#define xislower(c) (islower((int) (c) ) &&((eight_bits) (c) <0200) ) 
#define xisupper(c) (isupper((int) (c) ) &&((eight_bits) (c) <0200) ) 
#define xisxdigit(c) (isxdigit((int) (c) ) &&((eight_bits) (c) <0200) ) 
#define isxalpha(c) ((c) =='_'||(c) =='$')  \

#define ishigh(c) ((eight_bits) (c) > 0177)  \
 \

#define max_include_depth 10 \

#define max_file_name_length 60
#define cur_file file[include_depth]
#define cur_file_name file_name[include_depth]
#define cur_line line[include_depth]
#define web_file file[0]
#define web_file_name file_name[0] \

#define length(c) (size_t) ((c+1) ->byte_start-(c) ->byte_start) 
#define print_id(c) term_write((c) ->byte_start,length(c) ) 
#define llink link
#define rlink dummy.Rlink
#define root name_dir->rlink \
 \

#define spotless 0
#define harmless_message 1
#define error_message 2
#define fatal_message 3
#define mark_harmless if(history==spotless) history= harmless_message
#define mark_error history= error_message
#define confusion(s) fatal("! This can't happen: ",s)  \
 \

#define show_banner flags['b']
#define show_progress flags['p']
#define show_happiness flags['h']
#define show_stats flags['s']
#define make_xrefs flags['x'] \

#define update_terminal fflush(stdout) 
#define new_line putchar('\n') 
#define term_write(a,b) fflush(stdout) ,fwrite(a,sizeof(char) ,b,stdout)  \

#define buf_size 100
#define longest_name 10000 \

#define long_buf_size (buf_size+longest_name) 
#define max_bytes 90000 \

#define max_names 4000 \

#define max_sections 2000 \

#define max_texts 2500
#define max_toks 270000
#define equiv equiv_or_xref \

#define macro 0
#define section_flag max_texts \

#define string 02
#define constant 03
#define join 0177
#define output_defs_flag (2*024000-1)  \

#define stack_size 50
#define cur_end cur_state.end_field
#define cur_byte cur_state.byte_field
#define cur_name cur_state.name_field
#define cur_repl cur_state.repl_field
#define cur_section cur_state.section_field \

#define section_number 0201
#define identifier 0202 \

#define normal 0
#define num_or_id 1
#define post_slash 2
#define unbreakable 3
#define verbatim 4 \

#define max_files 256
#define C_printf(c,a) fprintf(C_file,c,a) 
#define C_putc(c) putc((int) (c) ,C_file)  \

#define translit_length 10 \

#define ignore 00
#define ord 0302
#define control_text 0303
#define translit_code 0304
#define output_defs_code 0305
#define format_code 0306
#define definition 0307
#define begin_C 0310
#define section_name 0311
#define new_section 0312 \

#define app_repl(c) { \
if(tok_ptr==tok_mem_end) overflow("token") ; \
else*(tok_ptr++) = (eight_bits) c; \
} \

#define store_id(a) a= id_lookup(id_first,id_loc,'\0') -name_dir; \
app_repl((a/0400) +0200) ; \
app_repl(a%0400)  \

#define keep_digit_separators flags['k'] \


#line 68 "ctangle.w"

/*3:*/
#line 35 "common.h"

typedef bool boolean;
typedef uint8_t eight_bits;
typedef uint16_t sixteen_bits;
extern boolean program;
extern int phase;

/*:3*//*5:*/
#line 74 "common.h"

extern char section_text[];
extern char*section_text_end;
extern char*id_first;
extern char*id_loc;

/*:5*//*6:*/
#line 92 "common.h"

extern char buffer[];
extern char*buffer_end;
extern char*loc;
extern char*limit;

/*:6*//*7:*/
#line 109 "common.h"

extern int include_depth;
extern FILE*file[];
extern FILE*change_file;
extern char file_name[][max_file_name_length];

extern char change_file_name[];
extern int line[];
extern int change_line;
extern int change_depth;
extern boolean input_has_ended;
extern boolean changing;
extern boolean web_file_open;

/*:7*//*9:*/
#line 129 "common.h"

extern sixteen_bits section_count;
extern boolean changed_section[];
extern boolean change_pending;
extern boolean print_where;

/*:9*//*10:*/
#line 143 "common.h"

typedef struct name_info{
char*byte_start;
struct name_info*link;
union{
struct name_info*Rlink;

char Ilk;
}dummy;
void*equiv_or_xref;
}name_info;
typedef name_info*name_pointer;
typedef name_pointer*hash_pointer;
extern char byte_mem[];
extern char*byte_mem_end;
extern char*byte_ptr;
extern name_info name_dir[];
extern name_pointer name_dir_end;
extern name_pointer name_ptr;
extern name_pointer hash[];
extern hash_pointer hash_end;
extern hash_pointer h;

/*:10*//*12:*/
#line 187 "common.h"

extern int history;

/*:12*//*14:*/
#line 203 "common.h"

extern int argc;
extern char**argv;
extern char C_file_name[];
extern char tex_file_name[];
extern char idx_file_name[];
extern char scn_file_name[];
extern boolean flags[];

/*:14*//*15:*/
#line 217 "common.h"

extern FILE*C_file;
extern FILE*tex_file;
extern FILE*idx_file;
extern FILE*scn_file;
extern FILE*active_file;

/*:15*/
#line 69 "ctangle.w"

/*19:*/
#line 122 "ctangle.w"

typedef struct{
eight_bits*tok_start;
sixteen_bits text_link;
}text;
typedef text*text_pointer;

/*:19*//*31:*/
#line 274 "ctangle.w"

typedef struct{
eight_bits*end_field;
eight_bits*byte_field;
name_pointer name_field;
text_pointer repl_field;
sixteen_bits section_field;
}output_state;
typedef output_state*stack_pointer;

/*:31*/
#line 70 "ctangle.w"

/*20:*/
#line 131 "ctangle.w"

static text text_info[max_texts];
static text_pointer text_info_end= text_info+max_texts-1;
static text_pointer text_ptr;
static eight_bits tok_mem[max_toks];
static eight_bits*tok_mem_end= tok_mem+max_toks-1;
static eight_bits*tok_ptr;

/*:20*//*26:*/
#line 200 "ctangle.w"

static text_pointer last_unnamed;

/*:26*//*32:*/
#line 291 "ctangle.w"

static output_state cur_state;

static output_state stack[stack_size+1];
static stack_pointer stack_end= stack+stack_size;
static stack_pointer stack_ptr;

/*:32*//*37:*/
#line 367 "ctangle.w"

static int cur_val;

/*:37*//*42:*/
#line 459 "ctangle.w"

static eight_bits out_state;
static boolean protect;

/*:42*//*45:*/
#line 490 "ctangle.w"

static name_pointer output_files[max_files];
static name_pointer*cur_out_file,*end_output_files,*an_output_file;
static char cur_section_name_char;
static char output_file_name[longest_name+1];

/*:45*//*52:*/
#line 590 "ctangle.w"

static boolean output_defs_seen= false;

/*:52*//*57:*/
#line 703 "ctangle.w"

static char translit[128][translit_length];

/*:57*//*62:*/
#line 779 "ctangle.w"

static eight_bits ccode[256];

/*:62*//*66:*/
#line 839 "ctangle.w"

static boolean comment_continues= false;

/*:66*//*68:*/
#line 876 "ctangle.w"

static name_pointer cur_section_name;
static boolean no_where;

/*:68*//*82:*/
#line 1193 "ctangle.w"

static text_pointer cur_text;
static eight_bits next_control;

/*:82*/
#line 71 "ctangle.w"

/*8:*/
#line 123 "common.h"

extern boolean get_line(void);
extern void check_complete(void);
extern void reset_input(void);

/*:8*//*11:*/
#line 166 "common.h"

extern boolean names_match(name_pointer,const char*,size_t,eight_bits);
extern name_pointer id_lookup(const char*,const char*,eight_bits);

extern name_pointer section_lookup(char*,char*,boolean);
extern void init_node(name_pointer);
extern void init_p(name_pointer,eight_bits);
extern void print_prefix_name(name_pointer);
extern void print_section_name(name_pointer);
extern void sprint_section_name(char*,name_pointer);

/*:11*//*13:*/
#line 190 "common.h"

extern int wrap_up(void);
extern void err_print(const char*);
extern void fatal(const char*,const char*);
extern void overflow(const char*);

/*:13*//*16:*/
#line 225 "common.h"

extern void common_init(void);
extern void print_stats(void);

/*:16*//*30:*/
#line 246 "ctangle.w"
static void store_two_bytes(sixteen_bits);

/*:30*//*35:*/
#line 330 "ctangle.w"

static void push_level(name_pointer);
static void pop_level(boolean);

/*:35*//*39:*/
#line 404 "ctangle.w"
static void get_output(void);

/*:39*//*44:*/
#line 480 "ctangle.w"
static void flush_buffer(void);

/*:44*//*49:*/
#line 557 "ctangle.w"
static void phase_two(void);

/*:49*//*53:*/
#line 593 "ctangle.w"

static void output_defs(void);
static void out_char(eight_bits);

/*:53*//*65:*/
#line 819 "ctangle.w"

static eight_bits skip_ahead(void);
static boolean skip_comment(boolean);

/*:65*//*70:*/
#line 926 "ctangle.w"
static eight_bits get_next(void);

/*:70*//*84:*/
#line 1219 "ctangle.w"
static void scan_repl(eight_bits);

/*:84*//*91:*/
#line 1404 "ctangle.w"
static void scan_section(void);

/*:91*//*99:*/
#line 1481 "ctangle.w"
static void phase_one(void);

/*:99*//*101:*/
#line 1514 "ctangle.w"
static void skip_limbo(void);

/*:101*/
#line 72 "ctangle.w"


/*:1*//*2:*/
#line 81 "ctangle.w"

int main(
int ac,
char**av)
{
argc= ac;argv= av;
program= ctangle;
/*21:*/
#line 139 "ctangle.w"

text_info->tok_start= tok_ptr= tok_mem;
text_ptr= text_info+1;text_ptr->tok_start= tok_mem;


/*:21*//*23:*/
#line 149 "ctangle.w"

init_node(name_dir);

/*:23*//*27:*/
#line 203 "ctangle.w"
last_unnamed= text_info;text_info->text_link= macro;

/*:27*//*46:*/
#line 500 "ctangle.w"

cur_out_file= end_output_files= output_files+max_files;

/*:46*//*58:*/
#line 706 "ctangle.w"

{
int i;
for(i= 0;i<128;i++)sprintf(translit[i],"X%02X",(unsigned int)(128+i));
}

/*:58*//*63:*/
#line 782 "ctangle.w"
{
int c;
for(c= 0;c<256;c++)ccode[c]= ignore;
}
ccode[' ']= ccode['\t']= ccode['\n']= ccode['\v']= ccode['\r']= ccode['\f']
= ccode['*']= new_section;
ccode['@']= (eight_bits)'@';ccode['=']= string;
ccode['d']= ccode['D']= definition;
ccode['f']= ccode['F']= ccode['s']= ccode['S']= format_code;
ccode['c']= ccode['C']= ccode['p']= ccode['P']= begin_C;
ccode['^']= ccode[':']= ccode['.']= ccode['t']= ccode['T']= 
ccode['q']= ccode['Q']= control_text;
ccode['h']= ccode['H']= output_defs_code;
ccode['l']= ccode['L']= translit_code;
ccode['&']= join;
ccode['<']= ccode['(']= section_name;
ccode['\'']= ord;

/*:63*//*78:*/
#line 1114 "ctangle.w"
section_text[0]= ' ';

/*:78*/
#line 88 "ctangle.w"

common_init();
if(show_banner)puts(banner);
phase_one();
phase_two();
return wrap_up();
}

/*:2*//*24:*/
#line 155 "ctangle.w"

boolean names_match(
name_pointer p,
const char*first,
size_t l,
eight_bits t)
{(void)t;
return length(p)==l&&strncmp(first,p->byte_start,l)==0;
}

/*:24*//*25:*/
#line 170 "ctangle.w"

void
init_node(
name_pointer node)
{
node->equiv= (void*)text_info;
}
void
init_p(name_pointer p,eight_bits t){(void)p;(void)t;}

/*:25*//*29:*/
#line 236 "ctangle.w"

static void
store_two_bytes(
sixteen_bits x)
{
if(tok_ptr+2> tok_mem_end)overflow("token");
*tok_ptr++= x>>8;
*tok_ptr++= x&0377;
}

/*:29*//*34:*/
#line 315 "ctangle.w"

static void
push_level(
name_pointer p)
{
if(stack_ptr==stack_end)overflow("stack");
*stack_ptr= cur_state;
stack_ptr++;
if(p!=NULL){
cur_name= p;cur_repl= (text_pointer)p->equiv;
cur_byte= cur_repl->tok_start;cur_end= (cur_repl+1)->tok_start;
cur_section= 0;
}
}

/*:34*//*36:*/
#line 338 "ctangle.w"

static void
pop_level(
boolean flag)
{
if(flag&&cur_repl->text_link<section_flag){
cur_repl= cur_repl->text_link+text_info;
cur_byte= cur_repl->tok_start;cur_end= (cur_repl+1)->tok_start;
return;
}
stack_ptr--;
if(stack_ptr> stack)cur_state= *stack_ptr;
}

/*:36*//*38:*/
#line 374 "ctangle.w"

static void
get_output(void)
{
sixteen_bits a;
restart:if(stack_ptr==stack)return;
if(cur_byte==cur_end){
cur_val= -((int)cur_section);
pop_level(true);
if(cur_val==0)goto restart;
out_char(section_number);return;
}
a= *cur_byte++;
if(out_state==verbatim&&a!=string&&a!=constant&&a!='\n')
C_putc(a);
else if(a<0200)out_char(a);
else{
a= (a-0200)*0400+*cur_byte++;
switch(a/024000){
case 0:cur_val= (int)a;out_char(identifier);break;
case 1:if(a==output_defs_flag)output_defs();
else/*40:*/
#line 409 "ctangle.w"

{
a-= 024000;
if((a+name_dir)->equiv!=(void*)text_info)push_level(a+name_dir);
else if(a!=0){
fputs("\n! Not present: <",stdout);
print_section_name(a+name_dir);err_print(">");

}
goto restart;
}

/*:40*/
#line 395 "ctangle.w"

break;
default:cur_val= (int)a-050000;
if(cur_val> 0)cur_section= (sixteen_bits)cur_val;
out_char(section_number);
}
}
}

/*:38*//*43:*/
#line 467 "ctangle.w"

static void
flush_buffer(void)
{
C_putc('\n');
if(cur_line%100==0&&show_progress){
putchar('.');
if(cur_line%500==0)printf("%d",cur_line);
update_terminal;
}
cur_line++;
}

/*:43*//*48:*/
#line 519 "ctangle.w"

static void
phase_two(void){
phase= 2;
web_file_open= false;
cur_line= 1;
/*33:*/
#line 304 "ctangle.w"

stack_ptr= stack+1;cur_name= name_dir;cur_repl= text_info->text_link+text_info;
cur_byte= cur_repl->tok_start;cur_end= (cur_repl+1)->tok_start;cur_section= 0;

/*:33*/
#line 525 "ctangle.w"

/*51:*/
#line 586 "ctangle.w"

if(!output_defs_seen)
output_defs();

/*:51*/
#line 526 "ctangle.w"

if(text_info->text_link==macro&&cur_out_file==end_output_files){
fputs("\n! No program text was specified.",stdout);mark_harmless;

}
else{
if(cur_out_file==end_output_files){
if(show_progress){
printf("\nWriting the output file (%s):",C_file_name);
update_terminal;
}
}
else{
if(show_progress){
fputs("\nWriting the output files:",stdout);

printf(" (%s)",C_file_name);
update_terminal;
}
if(text_info->text_link==macro)goto writeloop;
}
while(stack_ptr> stack)get_output();
flush_buffer();
writeloop:/*50:*/
#line 563 "ctangle.w"

for(an_output_file= end_output_files;an_output_file> cur_out_file;){
an_output_file--;
sprint_section_name(output_file_name,*an_output_file);
fclose(C_file);
if((C_file= fopen(output_file_name,"wb"))==NULL)
fatal("! Cannot open output file ",output_file_name);

if(show_progress){printf("\n(%s)",output_file_name);update_terminal;}
cur_line= 1;
stack_ptr= stack+1;
cur_name= *an_output_file;
cur_repl= (text_pointer)cur_name->equiv;
cur_byte= cur_repl->tok_start;
cur_end= (cur_repl+1)->tok_start;
while(stack_ptr> stack)get_output();
flush_buffer();
}

/*:50*/
#line 549 "ctangle.w"

if(show_happiness){
if(show_progress)new_line;
fputs("Done.",stdout);
}
}
}

/*:48*//*54:*/
#line 600 "ctangle.w"

static void
output_defs(void)
{
sixteen_bits a;
push_level(NULL);
for(cur_text= text_info+1;cur_text<text_ptr;cur_text++)
if(cur_text->text_link==macro){
cur_byte= cur_text->tok_start;
cur_end= (cur_text+1)->tok_start;
C_printf("%s","#define ");
out_state= normal;
protect= true;
while(cur_byte<cur_end){
a= *cur_byte++;
if(cur_byte==cur_end&&a=='\n')break;
if(out_state==verbatim&&a!=string&&a!=constant&&a!='\n')
C_putc(a);

else if(a<0200)out_char(a);
else{
a= (a-0200)*0400+*cur_byte++;
if(a<024000){
cur_val= (int)a;out_char(identifier);
}
else if(a<050000)confusion("macro defs have strange char");
else{
cur_val= (int)a-050000;cur_section= (sixteen_bits)cur_val;
out_char(section_number);
}

}
}
protect= false;
flush_buffer();
}
pop_level(false);
}

/*:54*//*55:*/
#line 644 "ctangle.w"

static void
out_char(
eight_bits cur_char)
{
char*j,*k;
restart:
switch(cur_char){
case'\n':if(protect&&out_state!=verbatim)C_putc(' ');
if(protect||out_state==verbatim)C_putc('\\');
flush_buffer();if(out_state!=verbatim)out_state= normal;break;
/*59:*/
#line 712 "ctangle.w"

case identifier:
if(out_state==num_or_id)C_putc(' ');
for(j= (cur_val+name_dir)->byte_start,k= (cur_val+name_dir+1)->byte_start;
j<k;j++)
if((eight_bits)(*j)<0200)C_putc(*j);

else C_printf("%s",translit[(eight_bits)(*j)-0200]);
out_state= num_or_id;break;

/*:59*/
#line 655 "ctangle.w"

/*60:*/
#line 722 "ctangle.w"

case section_number:
if(cur_val> 0)C_printf("/*%d:*/",cur_val);
else if(cur_val<0)C_printf("/*:%d*/",-cur_val);
else if(protect){
cur_byte+= 4;
cur_char= (eight_bits)'\n';
goto restart;
}else{
sixteen_bits a;
a= *cur_byte++*0400;
a+= *cur_byte++;
C_printf("\n#line %d \"",(int)a);

cur_val= (int)(*cur_byte++-0200)*0400;
cur_val+= *cur_byte++;
for(j= (cur_val+name_dir)->byte_start,k= (cur_val+name_dir+1)->byte_start;
j<k;j++){
if(*j=='\\'||*j=='"')C_putc('\\');
C_putc(*j);
}
C_putc('"');C_putc('\n');
}
break;

/*:60*/
#line 656 "ctangle.w"

/*56:*/
#line 674 "ctangle.w"

case plus_plus:C_putc('+');C_putc('+');out_state= normal;break;
case minus_minus:C_putc('-');C_putc('-');out_state= normal;break;
case minus_gt:C_putc('-');C_putc('>');out_state= normal;break;
case gt_gt:C_putc('>');C_putc('>');out_state= normal;break;
case eq_eq:C_putc('=');C_putc('=');out_state= normal;break;
case lt_lt:C_putc('<');C_putc('<');out_state= normal;break;
case gt_eq:C_putc('>');C_putc('=');out_state= normal;break;
case lt_eq:C_putc('<');C_putc('=');out_state= normal;break;
case non_eq:C_putc('!');C_putc('=');out_state= normal;break;
case and_and:C_putc('&');C_putc('&');out_state= normal;break;
case or_or:C_putc('|');C_putc('|');out_state= normal;break;
case dot_dot_dot:C_putc('.');C_putc('.');C_putc('.');out_state= normal;
break;
case colon_colon:C_putc(':');C_putc(':');out_state= normal;break;
case period_ast:C_putc('.');C_putc('*');out_state= normal;break;
case minus_gt_ast:C_putc('-');C_putc('>');C_putc('*');out_state= normal;
break;

/*:56*/
#line 657 "ctangle.w"

case'=':case'>':C_putc(cur_char);C_putc(' ');
out_state= normal;break;
case join:out_state= unbreakable;break;
case constant:if(out_state==verbatim){
out_state= num_or_id;break;
}
if(out_state==num_or_id)C_putc(' ');out_state= verbatim;break;
case string:if(out_state==verbatim)out_state= normal;
else out_state= verbatim;break;
case'/':C_putc('/');out_state= post_slash;break;
case'*':if(out_state==post_slash)C_putc(' ');

default:C_putc(cur_char);out_state= normal;break;
}
}

/*:55*//*64:*/
#line 803 "ctangle.w"

static eight_bits
skip_ahead(void)
{
eight_bits c;
while(true){
if(loc> limit&&(get_line()==false))return new_section;
*(limit+1)= '@';
while(*loc!='@')loc++;
if(loc<=limit){
loc++;c= ccode[(eight_bits)*loc];loc++;
if(c!=ignore||*(loc-1)=='>')return c;
}
}
}

/*:64*//*67:*/
#line 842 "ctangle.w"

static boolean skip_comment(
boolean is_long_comment)
{
char c;
while(true){
if(loc> limit){
if(is_long_comment){
if(get_line())return comment_continues= true;
else{
err_print("! Input ended in mid-comment");

return comment_continues= false;
}
}
else return comment_continues= false;
}
c= *(loc++);
if(is_long_comment&&c=='*'&&*loc=='/'){
loc++;return comment_continues= false;
}
if(c=='@'){
if(ccode[(eight_bits)*loc]==new_section){
err_print("! Section name ended in mid-comment");loc--;

return comment_continues= false;
}
else loc++;
}
}
}

/*:67*//*69:*/
#line 883 "ctangle.w"

static eight_bits
get_next(void)
{
static boolean preprocessing= false;
eight_bits c;
while(true){
if(loc> limit){
if(preprocessing&&*(limit-1)!='\\')preprocessing= false;
if(get_line()==false)return new_section;
else if(print_where&&!no_where){
print_where= false;
/*85:*/
#line 1229 "ctangle.w"

{
eight_bits a;
store_two_bytes(0150000);
if(changing&&include_depth==change_depth){
id_first= change_file_name;
store_two_bytes((sixteen_bits)change_line);
}else{
id_first= cur_file_name;
store_two_bytes((sixteen_bits)cur_line);
}
id_loc= id_first+strlen(id_first);
store_id(a);
}

/*:85*/
#line 895 "ctangle.w"

}
else return(eight_bits)'\n';
}
c= (eight_bits)*loc;
if(comment_continues||(c=='/'&&(*(loc+1)=='*'||*(loc+1)=='/'))){
if(skip_comment(comment_continues||*(loc+1)=='*'))return'\n';

else continue;
}
loc++;
if(xisdigit(c)||c=='.')/*73:*/
#line 967 "ctangle.w"
{
boolean hex_flag= false;
id_first= loc-1;
if(*id_first=='.'&&!xisdigit(*loc))goto mistake;
if(*id_first=='0'){
if(*loc=='x'||*loc=='X'){
hex_flag= true;
loc++;while(xisxdigit(*loc)||*loc=='\'')loc++;
}
else if(*loc=='b'||*loc=='B'){
loc++;while(*loc=='0'||*loc=='1'||*loc=='\'')loc++;goto found;
}
}
while(xisdigit(*loc)||*loc=='\'')loc++;
if(*loc=='.'){
loc++;
while((hex_flag&&xisxdigit(*loc))||xisdigit(*loc)||*loc=='\'')loc++;
}
if(*loc=='e'||*loc=='E'){
if(*++loc=='+'||*loc=='-')loc++;
while(xisdigit(*loc)||*loc=='\'')loc++;
}
else if(hex_flag&&(*loc=='p'||*loc=='P')){
if(*++loc=='+'||*loc=='-')loc++;
while(xisxdigit(*loc)||*loc=='\'')loc++;
}
found:while(*loc=='u'||*loc=='U'||*loc=='l'||*loc=='L'
||*loc=='f'||*loc=='F')loc++;
id_loc= loc;
return constant;
}

/*:73*/
#line 906 "ctangle.w"

else if(c=='\''||c=='"'
||((c=='L'||c=='u'||c=='U')&&(*loc=='\''||*loc=='"'))
||((c=='u'&&*loc=='8')&&(*(loc+1)=='\''||*(loc+1)=='"')))
/*74:*/
#line 1004 "ctangle.w"
{
char delim= (char)c;
id_first= section_text+1;
id_loc= section_text;*++id_loc= delim;
if(delim=='L'||delim=='u'||delim=='U'){
if(delim=='u'&&*loc=='8')*++id_loc= *loc++;
delim= *loc++;*++id_loc= delim;
}
while(true){
if(loc>=limit){
if(*(limit-1)!='\\'){
err_print("! String didn't end");loc= limit;break;

}
if(get_line()==false){
err_print("! Input ended in middle of string");loc= buffer;break;

}
else if(++id_loc<=section_text_end)*id_loc= '\n';

}
if((c= (eight_bits)*loc++)==delim){
if(++id_loc<=section_text_end)*id_loc= (char)c;
break;
}
if(c=='\\'){
if(loc>=limit)continue;
if(++id_loc<=section_text_end)*id_loc= '\\';
c= (eight_bits)*loc++;
}
if(++id_loc<=section_text_end)*id_loc= (char)c;
}
if(id_loc>=section_text_end){
fputs("\n! String too long: ",stdout);

term_write(section_text+1,25);
err_print("...");
}
id_loc++;
return string;
}

/*:74*/
#line 910 "ctangle.w"

else if(isalpha((int)c)||isxalpha(c)||ishigh(c))
/*72:*/
#line 958 "ctangle.w"
{
id_first= --loc;
do
++loc;
while(isalpha((int)*loc)||isdigit((int)*loc)
||isxalpha(*loc)||ishigh(*loc));
id_loc= loc;return identifier;
}

/*:72*/
#line 912 "ctangle.w"

else if(c=='@')/*75:*/
#line 1049 "ctangle.w"

switch(c= ccode[(eight_bits)*loc++]){
case ignore:continue;
case translit_code:err_print("! Use @l in limbo only");continue;

case control_text:while((c= skip_ahead())=='@');

if(*(loc-1)!='>')
err_print("! Double @ should be used in control text");

continue;
case section_name:
cur_section_name_char= *(loc-1);
/*77:*/
#line 1094 "ctangle.w"
{
char*k= section_text;
/*79:*/
#line 1116 "ctangle.w"

while(true){
if(loc> limit&&get_line()==false){
err_print("! Input ended in section name");

loc= buffer+1;break;
}
c= (eight_bits)*loc;
/*80:*/
#line 1139 "ctangle.w"

if(c=='@'){
c= (eight_bits)*(loc+1);
if(c=='>'){
loc+= 2;break;
}
if(ccode[(eight_bits)c]==new_section){
err_print("! Section name didn't end");break;

}
if(ccode[(eight_bits)c]==section_name){
err_print("! Nesting of section names not allowed");break;

}
*(++k)= '@';loc++;
}

/*:80*/
#line 1124 "ctangle.w"

loc++;if(k<section_text_end)k++;
if(xisspace(c)){
c= (eight_bits)' ';if(*(k-1)==' ')k--;
}
*k= (char)c;
}
if(k>=section_text_end){
fputs("\n! Section name too long: ",stdout);

term_write(section_text+1,25);
printf("...");mark_harmless;
}
if(*k==' '&&k> section_text)k--;

/*:79*/
#line 1096 "ctangle.w"

if(k-section_text> 3&&strncmp(k-2,"...",3)==0)
cur_section_name= section_lookup(section_text+1,k-3,true);

else cur_section_name= section_lookup(section_text+1,k,false);

if(cur_section_name_char=='(')
/*47:*/
#line 504 "ctangle.w"

{
for(an_output_file= cur_out_file;
an_output_file<end_output_files;an_output_file++)
if(*an_output_file==cur_section_name)break;
if(an_output_file==end_output_files){
if(cur_out_file> output_files)
*--cur_out_file= cur_section_name;
else overflow("output files");
}
}

/*:47*/
#line 1104 "ctangle.w"

return section_name;
}

/*:77*/
#line 1062 "ctangle.w"

case string:/*81:*/
#line 1161 "ctangle.w"

id_first= loc++;*(limit+1)= '@';*(limit+2)= '>';
while(*loc!='@'||*(loc+1)!='>')loc++;
if(loc>=limit)err_print("! Verbatim string didn't end");

id_loc= loc;loc+= 2;
return string;

/*:81*/
#line 1063 "ctangle.w"

case ord:/*76:*/
#line 1074 "ctangle.w"

id_first= loc;
if(*loc=='\\')
if(*++loc=='\'')loc++;
while(*loc!='\''){
if(*loc=='@'){
if(*(loc+1)!='@')
err_print("! Double @ should be used in ASCII constant");

else loc++;
}
loc++;
if(loc> limit){
err_print("! String didn't end");loc= limit-1;break;

}
}
loc++;
return ord;

/*:76*/
#line 1064 "ctangle.w"

default:return c;
}

/*:75*/
#line 913 "ctangle.w"

else if(xisspace(c)){
if(!preprocessing||loc> limit)continue;

else return(eight_bits)' ';

}
else if(c=='#'&&loc==buffer+1)preprocessing= true;
mistake:/*71:*/
#line 935 "ctangle.w"

switch(c){
case'+':if(*loc=='+')compress(plus_plus);break;
case'-':if(*loc=='-'){compress(minus_minus);}
else if(*loc=='>'){
if(*(loc+1)=='*'){loc++;compress(minus_gt_ast);}
else compress(minus_gt);
}break;
case'.':if(*loc=='*'){compress(period_ast);}
else if(*loc=='.'&&*(loc+1)=='.'){
loc++;compress(dot_dot_dot);
}break;
case':':if(*loc==':')compress(colon_colon);break;
case'=':if(*loc=='=')compress(eq_eq);break;
case'>':if(*loc=='='){compress(gt_eq);}
else if(*loc=='>')compress(gt_gt);break;
case'<':if(*loc=='='){compress(lt_eq);}
else if(*loc=='<')compress(lt_lt);break;
case'&':if(*loc=='&')compress(and_and);break;
case'|':if(*loc=='|')compress(or_or);break;
case'!':if(*loc=='=')compress(non_eq);break;
}

/*:71*/
#line 921 "ctangle.w"

return c;
}
}

/*:69*//*83:*/
#line 1197 "ctangle.w"

static void
scan_repl(
eight_bits t)
{
sixteen_bits a;
if(t==section_name)/*85:*/
#line 1229 "ctangle.w"

{
eight_bits a;
store_two_bytes(0150000);
if(changing&&include_depth==change_depth){
id_first= change_file_name;
store_two_bytes((sixteen_bits)change_line);
}else{
id_first= cur_file_name;
store_two_bytes((sixteen_bits)cur_line);
}
id_loc= id_first+strlen(id_first);
store_id(a);
}

/*:85*/
#line 1203 "ctangle.w"

while(true)switch(a= get_next()){
/*86:*/
#line 1244 "ctangle.w"

case identifier:store_id(a);break;
case section_name:if(t!=section_name)goto done;
else{
/*87:*/
#line 1278 "ctangle.w"
{
char*try_loc= loc;
while(*try_loc==' '&&try_loc<limit)try_loc++;
if(*try_loc=='+'&&try_loc<limit)try_loc++;
while(*try_loc==' '&&try_loc<limit)try_loc++;
if(*try_loc=='=')err_print("! Missing `@ ' before a named section");



}

/*:87*/
#line 1248 "ctangle.w"

a= cur_section_name-name_dir;
app_repl((a/0400)+0250);
app_repl(a%0400);
/*85:*/
#line 1229 "ctangle.w"

{
eight_bits a;
store_two_bytes(0150000);
if(changing&&include_depth==change_depth){
id_first= change_file_name;
store_two_bytes((sixteen_bits)change_line);
}else{
id_first= cur_file_name;
store_two_bytes((sixteen_bits)cur_line);
}
id_loc= id_first+strlen(id_first);
store_id(a);
}

/*:85*/
#line 1252 "ctangle.w"

}
break;
case output_defs_code:if(t!=section_name)err_print("! Misplaced @h");

else{
output_defs_seen= true;
a= output_defs_flag;
app_repl((a/0400)+0200);
app_repl(a%0400);
/*85:*/
#line 1229 "ctangle.w"

{
eight_bits a;
store_two_bytes(0150000);
if(changing&&include_depth==change_depth){
id_first= change_file_name;
store_two_bytes((sixteen_bits)change_line);
}else{
id_first= cur_file_name;
store_two_bytes((sixteen_bits)cur_line);
}
id_loc= id_first+strlen(id_first);
store_id(a);
}

/*:85*/
#line 1262 "ctangle.w"

}
break;
case constant:case string:
/*88:*/
#line 1295 "ctangle.w"

app_repl(a);
while(id_first<id_loc){
if(*id_first=='@'){
if(*(id_first+1)=='@')id_first++;
else err_print("! Double @ should be used in string");

}
else if(a==constant&&*id_first=='\''&&!keep_digit_separators)
id_first++;
app_repl(*id_first++);
}
app_repl(a);

/*:88*/
#line 1266 "ctangle.w"

break;
case ord:
/*89:*/
#line 1313 "ctangle.w"
{
int c= (int)((eight_bits)*id_first);
if(c=='\\'){
c= (int)((eight_bits)*++id_first);
if(c>='0'&&c<='7'){
c-= '0';
if(*(id_first+1)>='0'&&*(id_first+1)<='7'){
c= 8*c+*(++id_first)-'0';
if(*(id_first+1)>='0'&&*(id_first+1)<='7'&&c<32)
c= 8*c+*(++id_first)-'0';
}
}
else switch(c){
case't':c= '\t';break;
case'n':c= '\n';break;
case'b':c= '\b';break;
case'f':c= '\f';break;
case'v':c= '\v';break;
case'r':c= '\r';break;
case'a':c= '\7';break;
case'?':c= '?';break;
case'x':
if(xisdigit(*(id_first+1)))c= (int)(*(++id_first)-'0');
else if(xisxdigit(*(id_first+1))){
++id_first;
c= toupper((int)*id_first)-'A'+10;
}
if(xisdigit(*(id_first+1)))c= 16*c+(int)(*(++id_first)-'0');
else if(xisxdigit(*(id_first+1))){
++id_first;
c= 16*c+toupper((int)*id_first)-(int)'A'+10;
}
break;
case'\\':c= '\\';break;
case'\'':c= '\'';break;
case'\"':c= '\"';break;
default:err_print("! Unrecognized escape sequence");

}
}

app_repl(constant);
if(c>=100)app_repl((int)'0'+c/100);
if(c>=10)app_repl((int)'0'+(c/10)%10);
app_repl((int)'0'+c%10);
app_repl(constant);
}

/*:89*/
#line 1269 "ctangle.w"

break;
case definition:case format_code:case begin_C:if(t!=section_name)goto done;
else{
err_print("! @d, @f and @c are ignored in C text");continue;

}
case new_section:goto done;

/*:86*/
#line 1208 "ctangle.w"

case')':app_repl(a);
if(t==macro)app_repl(' ');
break;
default:app_repl(a);
}
done:next_control= (eight_bits)a;
if(text_ptr> text_info_end)overflow("text");
cur_text= text_ptr;(++text_ptr)->tok_start= tok_ptr;
}

/*:83*//*90:*/
#line 1371 "ctangle.w"

static void
scan_section(void)
{
name_pointer p;
text_pointer q;
sixteen_bits a;
section_count++;no_where= true;
if(*(loc-1)=='*'&&show_progress){
printf("*%d",(int)section_count);update_terminal;
}
next_control= ignore;
while(true){
/*92:*/
#line 1412 "ctangle.w"

while(next_control<definition)

if((next_control= skip_ahead())==section_name){
loc-= 2;next_control= get_next();
}

/*:92*/
#line 1385 "ctangle.w"

if(next_control==definition){
/*93:*/
#line 1419 "ctangle.w"

while((next_control= get_next())=='\n');
if(next_control!=identifier){
err_print("! Definition flushed, must start with identifier");

continue;
}
store_id(a);
if(*loc!='('){
app_repl(string);app_repl(' ');app_repl(string);
}
scan_repl(macro);
cur_text->text_link= macro;

/*:93*/
#line 1387 "ctangle.w"

continue;
}
if(next_control==begin_C){
p= name_dir;break;
}
if(next_control==section_name){
p= cur_section_name;
/*94:*/
#line 1441 "ctangle.w"

while((next_control= get_next())=='+');
if(next_control!='='&&next_control!=eq_eq)
continue;

/*:94*/
#line 1395 "ctangle.w"

break;
}
return;
}
no_where= print_where= false;
/*95:*/
#line 1446 "ctangle.w"

/*96:*/
#line 1451 "ctangle.w"

store_two_bytes((sixteen_bits)(0150000+section_count));


/*:96*/
#line 1447 "ctangle.w"

scan_repl(section_name);
/*97:*/
#line 1455 "ctangle.w"

if(p==name_dir||p==NULL){
last_unnamed->text_link= cur_text-text_info;last_unnamed= cur_text;
}
else if(p->equiv==(void*)text_info)p->equiv= (void*)cur_text;

else{
q= (text_pointer)p->equiv;
while(q->text_link<section_flag)
q= q->text_link+text_info;
q->text_link= cur_text-text_info;
}
cur_text->text_link= section_flag;


/*:97*/
#line 1449 "ctangle.w"


/*:95*/
#line 1401 "ctangle.w"

}

/*:90*//*98:*/
#line 1470 "ctangle.w"

static void
phase_one(void){
phase= 1;
section_count= 0;
reset_input();
skip_limbo();
while(!input_has_ended)scan_section();
check_complete();
}

/*:98*//*100:*/
#line 1486 "ctangle.w"

static void
skip_limbo(void)
{
while(true){
if(loc> limit&&get_line()==false)return;
*(limit+1)= '@';
while(*loc!='@')loc++;
if(loc++<=limit){
char c= *loc++;
switch(ccode[(eight_bits)c]){
case new_section:return;
case translit_code:/*102:*/
#line 1516 "ctangle.w"

while(xisspace(*loc)&&loc<limit)loc++;
loc+= 3;
if(loc> limit||!xisxdigit(*(loc-3))||!xisxdigit(*(loc-2))
||(*(loc-3)>='0'&&*(loc-3)<='7')||!xisspace(*(loc-1)))
err_print("! Improper hex number following @l");

else{
unsigned int i;
char*beg;
sscanf(loc-3,"%x",&i);
while(xisspace(*loc)&&loc<limit)loc++;
beg= loc;
while(loc<limit&&(xisalpha(*loc)||xisdigit(*loc)||*loc=='_'))loc++;
if(loc-beg>=translit_length)
err_print("! Replacement string in @l too long");

else{
strncpy(translit[i-0200],beg,(size_t)(loc-beg));
translit[i-0200][loc-beg]= '\0';
}
}

/*:102*/
#line 1498 "ctangle.w"
break;
case format_code:case'@':break;
case control_text:if(c=='q'||c=='Q'){
while((c= (char)skip_ahead())=='@');
if(*(loc-1)!='>')
err_print("! Double @ should be used in control text");

break;
}
default:err_print("! Double @ should be used in limbo");

}
}
}
}

/*:100*//*103:*/
#line 1542 "ctangle.w"

void
print_stats(void){
puts("\nMemory usage statistics:");
printf("%td names (out of %ld)\n",
(ptrdiff_t)(name_ptr-name_dir),(long)max_names);
printf("%td replacement texts (out of %ld)\n",
(ptrdiff_t)(text_ptr-text_info),(long)max_texts);
printf("%td bytes (out of %ld)\n",
(ptrdiff_t)(byte_ptr-byte_mem),(long)max_bytes);
printf("%td tokens (out of %ld)\n",
(ptrdiff_t)(tok_ptr-tok_mem),(long)max_toks);
}

/*:103*/