2
#line 58 "./cwebdir/common.w"
5
#line 102 "./cwebdir/common.w"
10
#line 165 "./cwebdir/common.w"
15
#line 471 "./cwebdir/common.w"
17
#line 151 "./cwebdir/comm-w2c.ch"
21
#include <kpathsea/kpathsea.h>
25
#line 59 "./cwebdir/common.w"
34
#define minus_minus 01
41
#define dot_dot_dot 016
42
#define colon_colon 06
43
#define period_ast 026
44
#define minus_gt_ast 027 \
47
#define longest_name 1000
48
#define long_buf_size (buf_size+longest_name)
49
#define xisspace(c) (isspace(c) &&((unsigned char) c<0200) )
50
#define xisupper(c) (isupper(c) &&((unsigned char) c<0200) ) \
52
#define max_include_depth 10 \
54
#define max_file_name_length 1024
55
#define cur_file file[include_depth]
56
#define cur_file_name file_name[include_depth]
57
#define cur_line line[include_depth]
58
#define web_file file[0]
59
#define web_file_name file_name[0] \
61
#define lines_dont_match (change_limit-change_buffer!=limit-buffer|| \
62
strncmp(buffer,change_buffer,limit-buffer) ) \
64
#define if_section_start_make_pending(b) {*limit= '!'; \
65
for(loc= buffer;xisspace(*loc) ;loc++) ; \
67
if(*loc=='@'&&(xisspace(*(loc+1) ) ||*(loc+1) =='*') ) change_pending= b; \
70
#define max_sections 2000 \
73
#define too_long() {include_depth--; \
74
err_print("! Include file name too long") ;goto restart;} \
76
#define kpse_find_cweb(name) kpse_find_file(name,kpse_cweb_format,true) \
78
#define max_bytes 90000 \
80
#define max_names 4000 \
83
#define length(c) (c+1) ->byte_start-(c) ->byte_start
84
#define print_id(c) term_write((c) ->byte_start,length((c) ) ) \
86
#define hash_size 353 \
89
#define rlink dummy.Rlink
90
#define root name_dir->rlink \
93
#define first_chunk(p) ((p) ->byte_start+2)
94
#define prefix_length(p) (int) ((unsigned char) *((p) ->byte_start) *256+ \
95
(unsigned char) *((p) ->byte_start+1) )
96
#define set_prefix_length(p,m) (*((p) ->byte_start) = (m) /256, \
97
*((p) ->byte_start+1) = (m) %256) \
103
#define extension 4 \
105
#define bad_extension 5 \
108
#define harmless_message 1
109
#define error_message 2
110
#define fatal_message 3
111
#define mark_harmless {if(history==spotless) history= harmless_message;}
112
#define mark_error history= error_message \
114
#define confusion(s) fatal("! This can't happen: ",s) \
117
#define show_banner flags['b']
118
#define show_progress flags['p']
119
#define show_stats flags['s']
120
#define show_happiness flags['h']
121
#define show_kpathsea_debug flags['d'] \
124
#define update_terminal fflush(stdout) \
126
#define new_line putchar('\n')
127
#define putxchar putchar
128
#define term_write(a,b) fflush(stdout) ,fwrite(a,sizeof(char) ,b,stdout)
129
#define C_printf(c,a) fprintf(C_file,c,a)
130
#define C_putc(c) putc(c,C_file) \
133
#define ctangle_banner "This is CTANGLE, Version 3.64"
134
#define cweave_banner "This is CWEAVE, Version 3.64" \
137
#line 60 "./cwebdir/common.w"
140
#line 73 "./cwebdir/common.w"
142
#line 75 "./cwebdir/common.w"
146
#line 159 "./cwebdir/common.w"
148
char buffer[long_buf_size];
149
char*buffer_end= buffer+buf_size-2;
154
#line 214 "./cwebdir/common.w"
157
FILE*file[max_include_depth];
159
char file_name[max_include_depth][max_file_name_length];
161
char change_file_name[max_file_name_length];
162
#line 222 "./cwebdir/common.w"
163
int line[max_include_depth];
166
boolean input_has_ended;
168
boolean web_file_open= 0;
171
#line 418 "./cwebdir/common.w"
173
typedef unsigned short sixteen_bits;
174
sixteen_bits section_count;
175
boolean changed_section[max_sections];
176
boolean change_pending;
178
boolean print_where= 0;
181
#line 594 "./cwebdir/common.w"
183
typedef struct name_info{
186
#line 631 "./cwebdir/common.w"
188
struct name_info*link;
191
#line 730 "./cwebdir/common.w"
194
struct name_info*Rlink;
200
#line 1062 "./cwebdir/common.w"
205
#line 597 "./cwebdir/common.w"
208
typedef name_info*name_pointer;
209
char byte_mem[max_bytes];
210
char*byte_mem_end= byte_mem+max_bytes-1;
211
name_info name_dir[max_names];
212
name_pointer name_dir_end= name_dir+max_names-1;
215
#line 617 "./cwebdir/common.w"
217
name_pointer name_ptr;
221
#line 644 "./cwebdir/common.w"
223
typedef name_pointer*hash_pointer;
224
name_pointer hash[hash_size];
225
hash_pointer hash_end= hash+hash_size-1;
229
#line 1082 "./cwebdir/common.w"
231
int history= spotless;
234
#line 1220 "./cwebdir/common.w"
238
char C_file_name[max_file_name_length];
239
char tex_file_name[max_file_name_length];
240
char idx_file_name[max_file_name_length];
241
char scn_file_name[max_file_name_length];
245
#line 1370 "./cwebdir/common.w"
251
#line 576 "./cwebdir/comm-w2c.ch"
254
#line 1376 "./cwebdir/common.w"
257
#line 61 "./cwebdir/common.w"
260
#line 83 "./cwebdir/common.w"
264
#line 240 "./cwebdir/common.w"
266
char change_buffer[buf_size];
270
#line 62 "./cwebdir/common.w"
273
#line 650 "./cwebdir/common.w"
275
#line 260 "./cwebdir/comm-w2c.ch"
276
extern int names_match P4H(name_pointer,char*,int,char);
277
#line 652 "./cwebdir/common.w"
280
#line 703 "./cwebdir/common.w"
282
#line 280 "./cwebdir/comm-w2c.ch"
283
extern void init_p P2C(name_pointer,p,char,t);
284
#line 705 "./cwebdir/common.w"
287
#line 852 "./cwebdir/common.w"
289
#line 327 "./cwebdir/comm-w2c.ch"
290
extern void init_node P1C(name_pointer,node);
291
#line 854 "./cwebdir/common.w"
294
#line 1017 "./cwebdir/common.w"
296
#line 373 "./cwebdir/comm-w2c.ch"
297
int section_name_cmp P3H(char**,int,name_pointer);
298
#line 1019 "./cwebdir/common.w"
301
#line 1092 "./cwebdir/common.w"
303
#line 392 "./cwebdir/comm-w2c.ch"
304
void err_print P1H(char*);
305
#line 1094 "./cwebdir/common.w"
308
#line 1140 "./cwebdir/common.w"
310
#line 410 "./cwebdir/comm-w2c.ch"
311
int wrap_up P1H(void);
312
extern void print_stats P1H(void);
313
#line 1143 "./cwebdir/common.w"
316
#line 1173 "./cwebdir/common.w"
318
#line 427 "./cwebdir/comm-w2c.ch"
319
void fatal P2H(char*,char*);
320
void overflow(char*);
321
#line 1175 "./cwebdir/common.w"
324
#line 1251 "./cwebdir/common.w"
326
#line 495 "./cwebdir/comm-w2c.ch"
327
void scan_args P1H(void);
328
#line 1253 "./cwebdir/common.w"
331
#line 63 "./cwebdir/common.w"
335
#line 89 "./cwebdir/common.w"
338
#line 51 "./cwebdir/comm-w2c.ch"
339
common_init P1H(void)
340
#line 92 "./cwebdir/common.w"
342
#line 57 "./cwebdir/comm-w2c.ch"
344
#line 621 "./cwebdir/common.w"
346
name_dir->byte_start= byte_ptr= byte_mem;
347
name_ptr= name_dir+1;
348
name_ptr->byte_start= byte_mem;
351
#line 655 "./cwebdir/common.w"
353
for(h= hash;h<=hash_end;*h++= NULL);
356
#line 737 "./cwebdir/common.w"
361
#line 57 "./cwebdir/comm-w2c.ch"
364
#line 188 "./cwebdir/comm-w2c.ch"
366
kpse_set_program_name(argv[0],"cweb");
367
#line 473 "./cwebdir/common.w"
370
#line 58 "./cwebdir/comm-w2c.ch"
372
#line 94 "./cwebdir/common.w"
374
#line 1233 "./cwebdir/common.w"
376
#line 487 "./cwebdir/comm-w2c.ch"
377
show_banner= show_happiness= show_progress= 1;
378
#line 1235 "./cwebdir/common.w"
381
#line 94 "./cwebdir/common.w"
384
#line 1377 "./cwebdir/common.w"
387
if(program==ctangle){
388
if((C_file= fopen(C_file_name,"w"))==NULL)
389
fatal("! Cannot open output file ",C_file_name);
393
if((tex_file= fopen(tex_file_name,"w"))==NULL)
394
fatal("! Cannot open output file ",tex_file_name);
398
#line 95 "./cwebdir/common.w"
403
#line 172 "./cwebdir/common.w"
405
#line 67 "./cwebdir/comm-w2c.ch"
406
int input_ln P1C(FILE*,fp)
407
#line 175 "./cwebdir/common.w"
411
if(feof(fp))return(0);
413
while(k<=buffer_end&&(c= getc(fp))!=EOF&&c!='\n')
414
if((*(k++)= c)!=' ')limit= k;
416
if((c= getc(fp))!=EOF&&c!='\n'){
417
ungetc(c,fp);loc= buffer;err_print("! Input line too long");
420
if(c==EOF&&limit==buffer)return(0);
426
#line 251 "./cwebdir/common.w"
429
#line 88 "./cwebdir/comm-w2c.ch"
430
prime_the_change_buffer P1H(void)
431
#line 254 "./cwebdir/common.w"
433
change_limit= change_buffer;
435
#line 265 "./cwebdir/common.w"
439
if(!input_ln(change_file))return;
440
if(limit<buffer+2)continue;
441
if(buffer[0]!='@')continue;
442
if(xisupper(buffer[1]))buffer[1]= tolower(buffer[1]);
443
if(buffer[1]=='x')break;
444
if(buffer[1]=='y'||buffer[1]=='z'||buffer[1]=='i'){
446
err_print("! Missing @x in change file");
452
#line 256 "./cwebdir/common.w"
455
#line 282 "./cwebdir/common.w"
459
if(!input_ln(change_file)){
460
err_print("! Change file ended after @x");
464
}while(limit==buffer);
467
#line 257 "./cwebdir/common.w"
470
#line 292 "./cwebdir/common.w"
473
change_limit= change_buffer+(limit-buffer);
474
strncpy(change_buffer,buffer,limit-buffer+1);
478
#line 258 "./cwebdir/common.w"
483
#line 320 "./cwebdir/common.w"
486
#line 96 "./cwebdir/comm-w2c.ch"
487
check_change P1H(void)
488
#line 323 "./cwebdir/common.w"
491
if(lines_dont_match)return;
493
if(!changed_section[section_count]){
494
if_section_start_make_pending(1);
495
if(!change_pending)changed_section[section_count]= 1;
498
changing= 1;print_where= 1;change_line++;
499
if(!input_ln(change_file)){
500
err_print("! Change file ended before @y");
502
change_limit= change_buffer;changing= 0;
505
if(limit> buffer+1&&buffer[0]=='@'){
506
char xyz_code= xisupper(buffer[1])?tolower(buffer[1]):buffer[1];
508
#line 358 "./cwebdir/common.w"
510
if(xyz_code=='x'||xyz_code=='z'){
511
loc= buffer+2;err_print("! Where is the matching @y?");
514
else if(xyz_code=='y'){
517
printf("\n! Hmm... %d ",n);
518
err_print("of the preceding lines failed to match");
521
change_depth= include_depth;
526
#line 342 "./cwebdir/common.w"
530
#line 292 "./cwebdir/common.w"
533
change_limit= change_buffer+(limit-buffer);
534
strncpy(change_buffer,buffer,limit-buffer+1);
538
#line 344 "./cwebdir/common.w"
540
changing= 0;cur_line++;
541
while(!input_ln(cur_file)){
542
if(include_depth==0){
543
err_print("! CWEB file ended during a change");
545
input_has_ended= 1;return;
547
include_depth--;cur_line++;
549
if(lines_dont_match)n++;
554
#line 378 "./cwebdir/common.w"
557
#line 104 "./cwebdir/comm-w2c.ch"
558
reset_input P1H(void)
559
#line 381 "./cwebdir/common.w"
561
limit= buffer;loc= buffer+1;buffer[0]= ' ';
563
#line 393 "./cwebdir/common.w"
565
#line 116 "./cwebdir/comm-w2c.ch"
566
if((found_filename= kpse_find_cweb(web_file_name))==NULL||
567
(web_file= fopen(found_filename,"r"))==NULL){
568
fatal("! Cannot open input file ",web_file_name);
569
}else if(strlen(found_filename)<max_file_name_length){
570
strcpy(web_file_name,found_filename);
571
free(found_filename);
573
#line 399 "./cwebdir/common.w"
577
#line 129 "./cwebdir/comm-w2c.ch"
578
if((found_filename= kpse_find_cweb(change_file_name))==NULL||
579
(change_file= fopen(found_filename,"r"))==NULL){
580
fatal("! Cannot open change file ",change_file_name);
581
}else if(strlen(found_filename)<max_file_name_length){
582
strcpy(change_file_name,found_filename);
583
free(found_filename);
585
#line 404 "./cwebdir/common.w"
588
#line 383 "./cwebdir/common.w"
590
include_depth= 0;cur_line= 0;change_line= 0;
591
change_depth= include_depth;
592
changing= 1;prime_the_change_buffer();changing= !changing;
593
limit= buffer;loc= buffer+1;buffer[0]= ' ';input_has_ended= 0;
597
#line 426 "./cwebdir/common.w"
599
#line 143 "./cwebdir/comm-w2c.ch"
600
int get_line P1H(void)
601
#line 428 "./cwebdir/common.w"
604
if(changing&&include_depth==change_depth)
606
#line 537 "./cwebdir/common.w"
609
if(!input_ln(change_file)){
610
err_print("! Change file ended without @z");
612
buffer[0]= '@';buffer[1]= 'z';limit= buffer+2;
616
if_section_start_make_pending(0);
618
changed_section[section_count]= 1;change_pending= 0;
623
if(xisupper(buffer[1]))buffer[1]= tolower(buffer[1]);
624
if(buffer[1]=='x'||buffer[1]=='y'){
626
err_print("! Where is the matching @z?");
629
else if(buffer[1]=='z'){
630
prime_the_change_buffer();changing= !changing;print_where= 1;
637
#line 431 "./cwebdir/common.w"
639
if(!changing||include_depth> change_depth){
641
#line 520 "./cwebdir/common.w"
644
while(!input_ln(cur_file)){
646
if(include_depth==0){input_has_ended= 1;break;}
648
fclose(cur_file);include_depth--;
649
if(changing&&include_depth==change_depth)break;
653
if(!changing&&!input_has_ended)
654
if(limit-buffer==change_limit-change_buffer)
655
if(buffer[0]==change_buffer[0])
656
if(change_limit> change_buffer)check_change();
660
#line 433 "./cwebdir/common.w"
662
if(changing&&include_depth==change_depth)goto restart;
664
if(input_has_ended)return 0;
665
loc= buffer;*limit= ' ';
666
if(buffer[0]=='@'&&(buffer[1]=='i'||buffer[1]=='I')){
667
loc= buffer+2;*limit= '"';
668
while(*loc==' '||*loc=='\t')loc++;
670
err_print("! Include file name not given");
674
if(include_depth>=max_include_depth-1){
675
err_print("! Too many nested includes");
681
#line 474 "./cwebdir/common.w"
683
#line 201 "./cwebdir/comm-w2c.ch"
684
char*cur_file_name_end= cur_file_name+max_file_name_length-1;
685
char*k= cur_file_name;
686
#line 479 "./cwebdir/common.w"
690
while(*loc!='"'&&k<=cur_file_name_end)*k++= *loc++;
691
if(loc==limit)k= cur_file_name_end+1;
693
while(*loc!=' '&&*loc!='\t'&&*loc!='"'&&k<=cur_file_name_end)*k++= *loc++;
694
if(k> cur_file_name_end)too_long();
697
#line 208 "./cwebdir/comm-w2c.ch"
698
if((found_filename= kpse_find_cweb(cur_file_name))!=NULL&&
699
(cur_file= fopen(found_filename,"r"))!=NULL){
701
if(strlen(found_filename)<max_file_name_length){
702
strcpy(cur_file_name,found_filename);
703
free(found_filename);
705
#line 490 "./cwebdir/common.w"
706
cur_line= 0;print_where= 1;
709
#line 517 "./cwebdir/common.w"
710
include_depth--;err_print("! Cannot open include file");goto restart;
714
#line 452 "./cwebdir/common.w"
721
#line 569 "./cwebdir/common.w"
724
#line 252 "./cwebdir/comm-w2c.ch"
725
check_complete P1H(void){
726
#line 572 "./cwebdir/common.w"
727
if(change_limit!=change_buffer){
728
strncpy(buffer,change_buffer,change_limit-change_buffer+1);
729
limit= buffer+(int)(change_limit-change_buffer);
730
changing= 1;change_depth= include_depth;loc= buffer;
731
err_print("! Change file entry did not match");
737
#line 660 "./cwebdir/common.w"
740
#line 271 "./cwebdir/comm-w2c.ch"
742
id_lookup P3C(char*,first,char*,last,char,t)
743
#line 666 "./cwebdir/common.w"
749
if(last==NULL)for(last= first;*last!='\0';last++);
752
#line 683 "./cwebdir/common.w"
754
h= (unsigned char)*i;
755
while(++i<last)h= (h+h+(int)((unsigned char)*i))%hash_size;
759
#line 673 "./cwebdir/common.w"
762
#line 691 "./cwebdir/common.w"
765
while(p&&!names_match(p,first,l,t))p= p->link;
768
p->link= hash[h];hash[h]= p;
772
#line 674 "./cwebdir/common.w"
774
if(p==name_ptr)/*41:*/
775
#line 706 "./cwebdir/common.w"
777
if(byte_ptr+l> byte_mem_end)overflow("byte memory");
778
if(name_ptr>=name_dir_end)overflow("name");
779
strncpy(byte_ptr,first,l);
780
(++name_ptr)->byte_start= byte_ptr+= l;
781
if(program==cweave)init_p(p,t);
785
#line 675 "./cwebdir/common.w"
791
#line 764 "./cwebdir/common.w"
794
#line 289 "./cwebdir/comm-w2c.ch"
795
print_section_name P1C(name_pointer,p)
796
#line 768 "./cwebdir/common.w"
798
char*ss,*s= first_chunk(p);
801
ss= (p+1)->byte_start-1;
803
term_write(s,ss-s);p= q->link;q= p;
805
term_write(s,ss+1-s);p= name_dir;q= NULL;
809
if(q)term_write("...",3);
813
#line 783 "./cwebdir/common.w"
816
#line 299 "./cwebdir/comm-w2c.ch"
817
sprint_section_name P2C(char*,dest,name_pointer,p)
818
#line 788 "./cwebdir/common.w"
820
char*ss,*s= first_chunk(p);
823
ss= (p+1)->byte_start-1;
829
strncpy(dest,s,ss-s),dest+= ss-s;
836
#line 804 "./cwebdir/common.w"
839
#line 308 "./cwebdir/comm-w2c.ch"
840
print_prefix_name P1C(name_pointer,p)
841
#line 808 "./cwebdir/common.w"
843
char*s= first_chunk(p);
844
int l= prefix_length(p);
846
if(s+l<(p+1)->byte_start)term_write("...",3);
850
#line 825 "./cwebdir/common.w"
852
#line 318 "./cwebdir/comm-w2c.ch"
854
int web_strcmp P4C(char*,j,int,j_len,char*,k,int,k_len)
855
#line 829 "./cwebdir/common.w"
857
char*j1= j+j_len,*k1= k+k_len;
858
while(k<k1&&j<j1&&*j==*k)k++,j++;
859
if(k==k1)if(j==j1)return equal;
860
else return extension;
861
else if(j==j1)return prefix;
862
else if(*j<*k)return less;
867
#line 855 "./cwebdir/common.w"
870
#line 340 "./cwebdir/comm-w2c.ch"
872
add_section_name P5C(name_pointer,par,int,c,char*,first,char*,last,
874
#line 863 "./cwebdir/common.w"
876
name_pointer p= name_ptr;
877
char*s= first_chunk(p);
878
int name_len= last-first+ispref;
879
if(s+name_len> byte_mem_end)overflow("byte memory");
880
if(name_ptr+1>=name_dir_end)overflow("name");
881
(++name_ptr)->byte_start= byte_ptr= s+name_len;
885
name_ptr->link= name_dir;
886
(++name_ptr)->byte_start= byte_ptr;
888
set_prefix_length(p,name_len);
889
strncpy(s,first,name_len);
893
return par==NULL?(root= p):c==less?(par->llink= p):(par->rlink= p);
897
#line 884 "./cwebdir/common.w"
900
#line 354 "./cwebdir/comm-w2c.ch"
901
extend_section_name P4C(name_pointer,p,char*,first,char*,last,int,ispref)
902
#line 891 "./cwebdir/common.w"
906
int name_len= last-first+ispref;
907
if(name_ptr>=name_dir_end)overflow("name");
908
while(q->link!=name_dir)q= q->link;
910
s= name_ptr->byte_start;
911
name_ptr->link= name_dir;
912
if(s+name_len> byte_mem_end)overflow("byte memory");
913
(++name_ptr)->byte_start= byte_ptr= s+name_len;
914
strncpy(s,first,name_len);
915
if(ispref)*(byte_ptr-1)= ' ';
919
#line 912 "./cwebdir/common.w"
922
#line 364 "./cwebdir/comm-w2c.ch"
924
section_lookup P3C(char*,first,char*,last,int,ispref)
925
#line 917 "./cwebdir/common.w"
928
name_pointer p= root;
929
name_pointer q= NULL;
930
name_pointer r= NULL;
931
name_pointer par= NULL;
933
int name_len= last-first+1;
935
#line 936 "./cwebdir/common.w"
938
c= web_strcmp(first,name_len,first_chunk(p),prefix_length(p));
939
if(c==less||c==greater){
942
p= (c==less?p->llink:p->rlink);
945
printf("\n! Ambiguous prefix: matches <");
947
print_prefix_name(p);
949
print_prefix_name(r);
962
#line 926 "./cwebdir/common.w"
965
#line 961 "./cwebdir/common.w"
968
return add_section_name(par,c,first,last+1,ispref);
971
#line 927 "./cwebdir/common.w"
974
#line 969 "./cwebdir/common.w"
976
switch(section_name_cmp(&first,name_len,r)){
980
printf("\n! New name is a prefix of <");
982
print_section_name(r);
985
else if(name_len<prefix_length(r))set_prefix_length(r,name_len);
988
case extension:if(!ispref||first<=last)
989
extend_section_name(r,first,last+1,ispref);
992
printf("\n! New name extends <");
994
print_section_name(r);
998
printf("\n! Section name incompatible with <");
1000
print_prefix_name(r);
1001
printf(">,\n which abbreviates <");
1002
print_section_name(r);
1008
#line 928 "./cwebdir/common.w"
1013
#line 1020 "./cwebdir/common.w"
1015
#line 384 "./cwebdir/comm-w2c.ch"
1016
int section_name_cmp P3C(char**,pfirst,int,len,name_pointer,r)
1017
#line 1025 "./cwebdir/common.w"
1019
char*first= *pfirst;
1020
name_pointer q= r+1;
1021
char*ss,*s= first_chunk(r);
1025
ss= (r+1)->byte_start-1;
1026
if(*ss==' '&&ss>=r->byte_start)ispref= 1,q= q->link;
1027
else ispref= 0,ss++,q= name_dir;
1028
switch(c= web_strcmp(first,len,s,ss-s)){
1029
case equal:if(q==name_dir)
1031
*pfirst= first+(ss-s);
1034
else return(q->byte_start==(q+1)->byte_start)?equal:prefix;
1036
if(!ispref)return bad_extension;
1038
if(q!=name_dir){len-= ss-s;s= q->byte_start;r= q;continue;}
1039
*pfirst= first;return extension;
1046
#line 1095 "./cwebdir/common.w"
1049
#line 401 "./cwebdir/comm-w2c.ch"
1050
err_print P1C(char*,s)
1051
#line 1099 "./cwebdir/common.w"
1054
printf(*s=='!'?"\n%s":"%s",s);
1055
if(web_file_open)/*61:*/
1056
#line 1115 "./cwebdir/common.w"
1058
{if(changing&&include_depth==change_depth)
1059
printf(". (l. %d of change file)\n",change_line);
1060
else if(include_depth==0)printf(". (l. %d)\n",cur_line);
1061
else printf(". (l. %d of include file %s)\n",cur_line,cur_file_name);
1062
l= (loc>=limit?limit:loc);
1064
for(k= buffer;k<l;k++)
1065
if(*k=='\t')putchar(' ');
1068
for(k= buffer;k<l;k++)putchar(' ');
1070
for(k= l;k<limit;k++)putchar(*k);
1071
if(*limit=='|')putchar('|');
1076
#line 1102 "./cwebdir/common.w"
1078
update_terminal;mark_error;
1082
#line 1150 "./cwebdir/common.w"
1084
#line 419 "./cwebdir/comm-w2c.ch"
1085
int wrap_up P1H(void){
1086
#line 1152 "./cwebdir/common.w"
1091
#line 1160 "./cwebdir/common.w"
1094
case spotless:if(show_happiness)printf("(No errors were found.)\n");break;
1095
case harmless_message:
1096
printf("(Did you see the warning message above?)\n");break;
1098
printf("(Pardon me, but I think I spotted something wrong.)\n");break;
1099
case fatal_message:printf("(That was a fatal error, my friend.)\n");
1103
#line 1155 "./cwebdir/common.w"
1105
if(history> harmless_message)return(1);
1110
#line 1179 "./cwebdir/common.w"
1112
#line 437 "./cwebdir/comm-w2c.ch"
1113
fatal P2C(char*,s,char*,t)
1114
#line 1182 "./cwebdir/common.w"
1118
history= fatal_message;exit(wrap_up());
1122
#line 1190 "./cwebdir/common.w"
1124
#line 446 "./cwebdir/comm-w2c.ch"
1125
overflow P1C(char*,t)
1126
#line 1193 "./cwebdir/common.w"
1128
printf("\n! Sorry, %s capacity exceeded",t);fatal("","");
1133
#line 1254 "./cwebdir/common.w"
1136
#line 504 "./cwebdir/comm-w2c.ch"
1138
#line 1257 "./cwebdir/common.w"
1143
boolean found_web= 0,found_change= 0,found_out= 0;
1145
boolean flag_change;
1148
if((**(++argv)=='-'||**argv=='+')&&*(*argv+1))/*76:*/
1149
#line 528 "./cwebdir/comm-w2c.ch"
1152
if(strcmp("-help",*argv)==0||strcmp("--help",*argv)==0)
1154
#line 605 "./cwebdir/comm-w2c.ch"
1156
usagehelp(program==ctangle?CTANGLEHELP:CWEAVEHELP,NULL);
1160
#line 531 "./cwebdir/comm-w2c.ch"
1162
if(strcmp("-version",*argv)==0||strcmp("--version",*argv)==0)
1164
#line 614 "./cwebdir/comm-w2c.ch"
1166
printversionandexit((program==ctangle?ctangle_banner:cweave_banner),
1167
"Silvio Levy and Donald E. Knuth",NULL, NULL);
1171
#line 533 "./cwebdir/comm-w2c.ch"
1173
#line 1346 "./cwebdir/common.w"
1174
if(**argv=='-')flag_change= 0;
1175
#line 539 "./cwebdir/comm-w2c.ch"
1176
else flag_change= 1;
1178
if(sscanf(*argv+2,"%u",&kpathsea_debug)!=1)/*77:*/
1179
#line 1352 "./cwebdir/common.w"
1182
#line 562 "./cwebdir/comm-w2c.ch"
1183
if(program==ctangle){
1184
fprintf(stderr,"ctangle: Need one to three file arguments.\n");
1187
fprintf(stderr,"cweave: Need one to three file arguments.\n");
1190
#line 1362 "./cwebdir/common.w"
1194
#line 541 "./cwebdir/comm-w2c.ch"
1196
#line 1348 "./cwebdir/common.w"
1197
for(dot_pos= *argv+1;*dot_pos> '\0';dot_pos++)
1198
#line 547 "./cwebdir/comm-w2c.ch"
1199
flags[(unsigned char)*dot_pos]= flag_change;
1200
#line 1350 "./cwebdir/common.w"
1204
#line 1266 "./cwebdir/common.w"
1207
s= name_pos= *argv;dot_pos= NULL;
1209
if(*s=='.')dot_pos= s++;
1210
else if(*s=='/')dot_pos= NULL,name_pos= ++s;
1213
if(!found_web)/*73:*/
1214
#line 1292 "./cwebdir/common.w"
1217
if(s-*argv> max_file_name_length-5)
1219
#line 1364 "./cwebdir/common.w"
1220
fatal("! Filename too long\n",*argv);
1224
#line 1295 "./cwebdir/common.w"
1227
sprintf(web_file_name,"%s.w",*argv);
1229
strcpy(web_file_name,*argv);
1232
#line 1303 "./cwebdir/common.w"
1233
sprintf(tex_file_name,"%s.tex",name_pos);
1234
sprintf(idx_file_name,"%s.idx",name_pos);
1235
sprintf(scn_file_name,"%s.scn",name_pos);
1236
sprintf(C_file_name,"%s.c",name_pos);
1241
#line 1275 "./cwebdir/common.w"
1243
else if(!found_change)/*74:*/
1244
#line 1310 "./cwebdir/common.w"
1247
if(strcmp(*argv,"-")==0)found_change= -1;
1249
if(s-*argv> max_file_name_length-4)
1251
#line 1364 "./cwebdir/common.w"
1252
fatal("! Filename too long\n",*argv);
1256
#line 1315 "./cwebdir/common.w"
1259
sprintf(change_file_name,"%s.ch",*argv);
1260
else strcpy(change_file_name,*argv);
1266
#line 1276 "./cwebdir/common.w"
1268
else if(!found_out)/*75:*/
1269
#line 1323 "./cwebdir/common.w"
1272
if(s-*argv> max_file_name_length-5)
1274
#line 1364 "./cwebdir/common.w"
1275
fatal("! Filename too long\n",*argv);
1279
#line 1326 "./cwebdir/common.w"
1282
sprintf(tex_file_name,"%s.tex",*argv);
1283
sprintf(idx_file_name,"%s.idx",*argv);
1284
sprintf(scn_file_name,"%s.scn",*argv);
1285
sprintf(C_file_name,"%s.c",*argv);
1287
strcpy(tex_file_name,*argv);
1288
strcpy(C_file_name,*argv);
1291
sprintf(idx_file_name,"%s.idx",*argv);
1292
sprintf(scn_file_name,"%s.scn",*argv);
1298
#line 528 "./cwebdir/comm-w2c.ch"
1300
#line 1277 "./cwebdir/common.w"
1303
#line 1352 "./cwebdir/common.w"
1306
#line 562 "./cwebdir/comm-w2c.ch"
1307
if(program==ctangle){
1308
fprintf(stderr,"ctangle: Need one to three file arguments.\n");
1311
fprintf(stderr,"cweave: Need one to three file arguments.\n");
1314
#line 1362 "./cwebdir/common.w"
1318
#line 1278 "./cwebdir/common.w"
1322
if(!found_web)/*77:*/
1323
#line 1352 "./cwebdir/common.w"
1326
#line 562 "./cwebdir/comm-w2c.ch"
1327
if(program==ctangle){
1328
fprintf(stderr,"ctangle: Need one to three file arguments.\n");
1331
fprintf(stderr,"cweave: Need one to three file arguments.\n");
1334
#line 1362 "./cwebdir/common.w"
1338
#line 1281 "./cwebdir/common.w"
1340
#line 513 "./cwebdir/comm-w2c.ch"
1341
if(found_change<=0)strcpy(change_file_name,DEV_NULL);
1342
#line 1283 "./cwebdir/common.w"