diff options
Diffstat (limited to 'Build/source/texk/web2c/cwebdir/common.c')
-rw-r--r-- | Build/source/texk/web2c/cwebdir/common.c | 1242 |
1 files changed, 1242 insertions, 0 deletions
diff --git a/Build/source/texk/web2c/cwebdir/common.c b/Build/source/texk/web2c/cwebdir/common.c new file mode 100644 index 00000000000..8fca7c63335 --- /dev/null +++ b/Build/source/texk/web2c/cwebdir/common.c @@ -0,0 +1,1242 @@ +/*1:*/ +#line 58 "common.w" + +/*5:*/ +#line 102 "common.w" + +#include <ctype.h> + +/*:5*//*8:*/ +#line 165 "common.w" + +#include <stdio.h> + +/*:8*//*22:*/ +#line 471 "common.w" + +#include <stdlib.h> + +/*:22*/ +#line 59 "common.w" + +#define ctangle 0 +#define cweave 1 \ + +#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 not_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 buf_size 100 +#define longest_name 1000 +#define long_buf_size (buf_size+longest_name) +#define xisspace(c) (isspace(c) &&((unsigned char) c<0200) ) +#define xisupper(c) (isupper(c) &&((unsigned char) c<0200) ) \ + +#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 lines_dont_match (change_limit-change_buffer!=limit-buffer|| \ +strncmp(buffer,change_buffer,limit-buffer) ) \ + +#define if_section_start_make_pending(b) {*limit= '!'; \ +for(loc= buffer;xisspace(*loc) ;loc++) ; \ +*limit= ' '; \ +if(*loc=='@'&&(xisspace(*(loc+1) ) ||*(loc+1) =='*') ) change_pending= b; \ +} \ + +#define max_sections 2000 \ + \ + +#define too_long() {include_depth--; \ +err_print("! Include file name too long") ;goto restart;} \ + +#define max_bytes 90000 \ + +#define max_names 4000 \ + \ + +#define length(c) (c+1) ->byte_start-(c) ->byte_start +#define print_id(c) term_write((c) ->byte_start,length((c) ) ) \ + +#define hash_size 353 \ + +#define llink link +#define rlink dummy.Rlink +#define root name_dir->rlink \ + \ + +#define first_chunk(p) ((p) ->byte_start+2) +#define prefix_length(p) (int) ((unsigned char) *((p) ->byte_start) *256+ \ +(unsigned char) *((p) ->byte_start+1) ) +#define set_prefix_length(p,m) (*((p) ->byte_start) = (m) /256, \ +*((p) ->byte_start+1) = (m) %256) \ + +#define less 0 +#define equal 1 +#define greater 2 +#define prefix 3 +#define extension 4 \ + +#define bad_extension 5 \ + +#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_stats flags['s'] +#define show_happiness flags['h'] \ + +#define update_terminal fflush(stdout) \ + +#define new_line putchar('\n') +#define putxchar putchar +#define term_write(a,b) fflush(stdout) ,fwrite(a,sizeof(char) ,b,stdout) +#define C_printf(c,a) fprintf(C_file,c,a) +#define C_putc(c) putc(c,C_file) \ + + +#line 60 "common.w" + +/*2:*/ +#line 73 "common.w" + +typedef short boolean; +boolean program; + +/*:2*//*7:*/ +#line 159 "common.w" + +char buffer[long_buf_size]; +char*buffer_end= buffer+buf_size-2; +char*limit= buffer; +char*loc= buffer; + +/*:7*//*10:*/ +#line 214 "common.w" + +int include_depth; +FILE*file[max_include_depth]; +FILE*change_file; +char file_name[max_include_depth][max_file_name_length]; + +char change_file_name[max_file_name_length]; +char alt_web_file_name[max_file_name_length]; +int line[max_include_depth]; +int change_line; +int change_depth; +boolean input_has_ended; +boolean changing; +boolean web_file_open= 0; + +/*:10*//*20:*/ +#line 418 "common.w" + +typedef unsigned short sixteen_bits; +sixteen_bits section_count; +boolean changed_section[max_sections]; +boolean change_pending; + +boolean print_where= 0; + +/*:20*//*27:*/ +#line 594 "common.w" + +typedef struct name_info{ +char*byte_start; +/*31:*/ +#line 631 "common.w" + +struct name_info*link; + +/*:31*//*40:*/ +#line 730 "common.w" + +union{ +struct name_info*Rlink; + +char Ilk; +}dummy; + +/*:40*//*55:*/ +#line 1062 "common.w" + +char*equiv_or_xref; + +/*:55*/ +#line 597 "common.w" + +}name_info; +typedef name_info*name_pointer; +char byte_mem[max_bytes]; +char*byte_mem_end= byte_mem+max_bytes-1; +name_info name_dir[max_names]; +name_pointer name_dir_end= name_dir+max_names-1; + +/*:27*//*29:*/ +#line 617 "common.w" + +name_pointer name_ptr; +char*byte_ptr; + +/*:29*//*32:*/ +#line 644 "common.w" + +typedef name_pointer*hash_pointer; +name_pointer hash[hash_size]; +hash_pointer hash_end= hash+hash_size-1; +hash_pointer h; + +/*:32*//*56:*/ +#line 1082 "common.w" + +int history= spotless; + +/*:56*//*67:*/ +#line 1220 "common.w" + +int argc; +char**argv; +char C_file_name[max_file_name_length]; +char tex_file_name[max_file_name_length]; +char idx_file_name[max_file_name_length]; +char scn_file_name[max_file_name_length]; +boolean flags[128]; + +/*:67*//*77:*/ +#line 1370 "common.w" + +FILE*C_file; +FILE*tex_file; +FILE*idx_file; +FILE*scn_file; +FILE*active_file; + +/*:77*/ +#line 61 "common.w" + +/*3:*/ +#line 83 "common.w" +int phase; + +/*:3*//*11:*/ +#line 240 "common.w" + +char change_buffer[buf_size]; +char*change_limit; + +/*:11*/ +#line 62 "common.w" + +/*33:*/ +#line 650 "common.w" + +extern int names_match(); + +/*:33*//*38:*/ +#line 703 "common.w" + +void init_p(); + +/*:38*//*46:*/ +#line 852 "common.w" + +extern void init_node(); + +/*:46*//*53:*/ +#line 1017 "common.w" + +int section_name_cmp(); + +/*:53*//*57:*/ +#line 1092 "common.w" + +void err_print(); + +/*:57*//*60:*/ +#line 1140 "common.w" + +int wrap_up(); +extern void print_stats(); + +/*:60*//*63:*/ +#line 1173 "common.w" + +void fatal(),overflow(); + +/*:63*//*69:*/ +#line 1251 "common.w" + +void scan_args(); + +/*:69*//*81:*/ +#line 1411 "common.w" + +extern int strlen(); +extern int strcmp(); +extern char*strcpy(); +extern int strncmp(); +extern char*strncpy(); + +/*:81*/ +#line 63 "common.w" + + +/*:1*//*4:*/ +#line 89 "common.w" + +void +common_init() +{ +/*30:*/ +#line 621 "common.w" + +name_dir->byte_start= byte_ptr= byte_mem; +name_ptr= name_dir+1; +name_ptr->byte_start= byte_mem; + +/*:30*//*34:*/ +#line 655 "common.w" + +for(h= hash;h<=hash_end;*h++= NULL); + +/*:34*//*41:*/ +#line 737 "common.w" + +root= NULL; + +/*:41*/ +#line 93 "common.w" +; +/*68:*/ +#line 1233 "common.w" + +show_banner= show_happiness= show_progress= 1; + +/*:68*/ +#line 94 "common.w" +; +/*78:*/ +#line 1377 "common.w" + +scan_args(); +if(program==ctangle){ +if((C_file= fopen(C_file_name,"w"))==NULL) +fatal("! Cannot open output file ",C_file_name); + +} +else{ +if((tex_file= fopen(tex_file_name,"w"))==NULL) +fatal("! Cannot open output file ",tex_file_name); +} + +/*:78*/ +#line 95 "common.w" +; +} + +/*:4*//*9:*/ +#line 172 "common.w" + +int input_ln(fp) +FILE*fp; +{ +register int c= EOF; +register char*k; +if(feof(fp))return(0); +limit= k= buffer; +while(k<=buffer_end&&(c= getc(fp))!=EOF&&c!='\n') +if((*(k++)= c)!=' ')limit= k; +if(k> buffer_end) +if((c= getc(fp))!=EOF&&c!='\n'){ +ungetc(c,fp);loc= buffer;err_print("! Input line too long"); + +} +if(c==EOF&&limit==buffer)return(0); + +return(1); +} + +/*:9*//*12:*/ +#line 251 "common.w" + +void +prime_the_change_buffer() +{ +change_limit= change_buffer; +/*13:*/ +#line 265 "common.w" + +while(1){ +change_line++; +if(!input_ln(change_file))return; +if(limit<buffer+2)continue; +if(buffer[0]!='@')continue; +if(xisupper(buffer[1]))buffer[1]= tolower(buffer[1]); +if(buffer[1]=='x')break; +if(buffer[1]=='y'||buffer[1]=='z'||buffer[1]=='i'){ +loc= buffer+2; +err_print("! Missing @x in change file"); + +} +} + +/*:13*/ +#line 256 "common.w" +; +/*14:*/ +#line 282 "common.w" + +do{ +change_line++; +if(!input_ln(change_file)){ +err_print("! Change file ended after @x"); + +return; +} +}while(limit==buffer); + +/*:14*/ +#line 257 "common.w" +; +/*15:*/ +#line 292 "common.w" + +{ +change_limit= change_buffer+(limit-buffer); +strncpy(change_buffer,buffer,limit-buffer+1); +} + +/*:15*/ +#line 258 "common.w" +; +} + +/*:12*//*16:*/ +#line 320 "common.w" + +void +check_change() +{ +int n= 0; +if(lines_dont_match)return; +change_pending= 0; +if(!changed_section[section_count]){ +if_section_start_make_pending(1); +if(!change_pending)changed_section[section_count]= 1; +} +while(1){ +changing= 1;print_where= 1;change_line++; +if(!input_ln(change_file)){ +err_print("! Change file ended before @y"); + +change_limit= change_buffer;changing= 0; +return; +} +if(limit> buffer+1&&buffer[0]=='@'){ +char xyz_code= xisupper(buffer[1])?tolower(buffer[1]):buffer[1]; +/*17:*/ +#line 358 "common.w" + +if(xyz_code=='x'||xyz_code=='z'){ +loc= buffer+2;err_print("! Where is the matching @y?"); + +} +else if(xyz_code=='y'){ +if(n> 0){ +loc= buffer+2; +printf("\n! Hmm... %d ",n); +err_print("of the preceding lines failed to match"); + +} +change_depth= include_depth; +return; +} + +/*:17*/ +#line 342 "common.w" +; +} +/*15:*/ +#line 292 "common.w" + +{ +change_limit= change_buffer+(limit-buffer); +strncpy(change_buffer,buffer,limit-buffer+1); +} + +/*:15*/ +#line 344 "common.w" +; +changing= 0;cur_line++; +while(!input_ln(cur_file)){ +if(include_depth==0){ +err_print("! CWEB file ended during a change"); + +input_has_ended= 1;return; +} +include_depth--;cur_line++; +} +if(lines_dont_match)n++; +} +} + +/*:16*//*18:*/ +#line 378 "common.w" + +void +reset_input() +{ +limit= buffer;loc= buffer+1;buffer[0]= ' '; +/*19:*/ +#line 393 "common.w" + +if((web_file= fopen(web_file_name,"r"))==NULL){ +strcpy(web_file_name,alt_web_file_name); +if((web_file= fopen(web_file_name,"r"))==NULL) +fatal("! Cannot open input file ",web_file_name); +} + + +web_file_open= 1; +if((change_file= fopen(change_file_name,"r"))==NULL) +fatal("! Cannot open change file ",change_file_name); + +/*:19*/ +#line 383 "common.w" +; +include_depth= 0;cur_line= 0;change_line= 0; +change_depth= include_depth; +changing= 1;prime_the_change_buffer();changing= !changing; +limit= buffer;loc= buffer+1;buffer[0]= ' ';input_has_ended= 0; +} + +/*:18*//*21:*/ +#line 426 "common.w" + +int get_line() +{ +restart: +if(changing&&include_depth==change_depth) +/*25:*/ +#line 537 "common.w" +{ +change_line++; +if(!input_ln(change_file)){ +err_print("! Change file ended without @z"); + +buffer[0]= '@';buffer[1]= 'z';limit= buffer+2; +} +if(limit> buffer){ +if(change_pending){ +if_section_start_make_pending(0); +if(change_pending){ +changed_section[section_count]= 1;change_pending= 0; +} +} +*limit= ' '; +if(buffer[0]=='@'){ +if(xisupper(buffer[1]))buffer[1]= tolower(buffer[1]); +if(buffer[1]=='x'||buffer[1]=='y'){ +loc= buffer+2; +err_print("! Where is the matching @z?"); + +} +else if(buffer[1]=='z'){ +prime_the_change_buffer();changing= !changing;print_where= 1; +} +} +} +} + +/*:25*/ +#line 431 "common.w" +; +if(!changing||include_depth> change_depth){ +/*24:*/ +#line 520 "common.w" +{ +cur_line++; +while(!input_ln(cur_file)){ +print_where= 1; +if(include_depth==0){input_has_ended= 1;break;} +else{ +fclose(cur_file);include_depth--; +if(changing&&include_depth==change_depth)break; +cur_line++; +} +} +if(!changing&&!input_has_ended) +if(limit-buffer==change_limit-change_buffer) +if(buffer[0]==change_buffer[0]) +if(change_limit> change_buffer)check_change(); +} + +/*:24*/ +#line 433 "common.w" +; +if(changing&&include_depth==change_depth)goto restart; +} +if(input_has_ended)return 0; +loc= buffer;*limit= ' '; +if(buffer[0]=='@'&&(buffer[1]=='i'||buffer[1]=='I')){ +loc= buffer+2;*limit= '"'; +while(*loc==' '||*loc=='\t')loc++; +if(loc>=limit){ +err_print("! Include file name not given"); + +goto restart; +} +if(include_depth>=max_include_depth-1){ +err_print("! Too many nested includes"); + +goto restart; +} +include_depth++; +/*23:*/ +#line 474 "common.w" +{ +char temp_file_name[max_file_name_length]; +char*cur_file_name_end= cur_file_name+max_file_name_length-1; +char*k= cur_file_name,*kk; +int l; + +if(*loc=='"'){ +loc++; +while(*loc!='"'&&k<=cur_file_name_end)*k++= *loc++; +if(loc==limit)k= cur_file_name_end+1; +}else +while(*loc!=' '&&*loc!='\t'&&*loc!='"'&&k<=cur_file_name_end)*k++= *loc++; +if(k> cur_file_name_end)too_long(); + +*k= '\0'; +if((cur_file= fopen(cur_file_name,"r"))!=NULL){ +cur_line= 0;print_where= 1; +goto restart; +} +kk= getenv("CWEBINPUTS"); +if(kk!=NULL){ +if((l= strlen(kk))> max_file_name_length-2)too_long(); +strcpy(temp_file_name,kk); +} +else{ +#ifdef CWEBINPUTS +if((l= strlen(CWEBINPUTS))> max_file_name_length-2)too_long(); +strcpy(temp_file_name,CWEBINPUTS); +#else +l= 0; +#endif +} +if(l> 0){ +if(k+l+2>=cur_file_name_end)too_long(); + +for(;k>=cur_file_name;k--)*(k+l+1)= *k; +strcpy(cur_file_name,temp_file_name); +cur_file_name[l]= '/'; +if((cur_file= fopen(cur_file_name,"r"))!=NULL){ +cur_line= 0;print_where= 1; +goto restart; +} +} +include_depth--;err_print("! Cannot open include file");goto restart; +} + +/*:23*/ +#line 452 "common.w" +; +} +return 1; +} + +/*:21*//*26:*/ +#line 569 "common.w" + +void +check_complete(){ +if(change_limit!=change_buffer){ +strncpy(buffer,change_buffer,change_limit-change_buffer+1); +limit= buffer+(int)(change_limit-change_buffer); +changing= 1;change_depth= include_depth;loc= buffer; +err_print("! Change file entry did not match"); + +} +} + +/*:26*//*35:*/ +#line 660 "common.w" + +name_pointer +id_lookup(first,last,t) +char*first; +char*last; +char t; +{ +char*i= first; +int h; +int l; +name_pointer p; +if(last==NULL)for(last= first;*last!='\0';last++); +l= last-first; +/*36:*/ +#line 683 "common.w" + +h= (unsigned char)*i; +while(++i<last)h= (h+h+(int)((unsigned char)*i))%hash_size; + + +/*:36*/ +#line 673 "common.w" +; +/*37:*/ +#line 691 "common.w" + +p= hash[h]; +while(p&&!names_match(p,first,l,t))p= p->link; +if(p==NULL){ +p= name_ptr; +p->link= hash[h];hash[h]= p; +} + +/*:37*/ +#line 674 "common.w" +; +if(p==name_ptr)/*39:*/ +#line 706 "common.w" +{ +if(byte_ptr+l> byte_mem_end)overflow("byte memory"); +if(name_ptr>=name_dir_end)overflow("name"); +strncpy(byte_ptr,first,l); +(++name_ptr)->byte_start= byte_ptr+= l; +if(program==cweave)init_p(p,t); +} + +/*:39*/ +#line 675 "common.w" +; +return(p); +} + +/*:35*//*42:*/ +#line 764 "common.w" + +void +print_section_name(p) +name_pointer p; +{ +char*ss,*s= first_chunk(p); +name_pointer q= p+1; +while(p!=name_dir){ +ss= (p+1)->byte_start-1; +if(*ss==' '&&ss>=s){ +term_write(s,ss-s);p= q->link;q= p; +}else{ +term_write(s,ss+1-s);p= name_dir;q= NULL; +} +s= p->byte_start; +} +if(q)term_write("...",3); +} + +/*:42*//*43:*/ +#line 783 "common.w" + +void +sprint_section_name(dest,p) +char*dest; +name_pointer p; +{ +char*ss,*s= first_chunk(p); +name_pointer q= p+1; +while(p!=name_dir){ +ss= (p+1)->byte_start-1; +if(*ss==' '&&ss>=s){ +p= q->link;q= p; +}else{ +ss++;p= name_dir; +} +strncpy(dest,s,ss-s),dest+= ss-s; +s= p->byte_start; +} +*dest= '\0'; +} + +/*:43*//*44:*/ +#line 804 "common.w" + +void +print_prefix_name(p) +name_pointer p; +{ +char*s= first_chunk(p); +int l= prefix_length(p); +term_write(s,l); +if(s+l<(p+1)->byte_start)term_write("...",3); +} + +/*:44*//*45:*/ +#line 825 "common.w" + +int web_strcmp(j,j_len,k,k_len) +char*j,*k; +int j_len,k_len; +{ +char*j1= j+j_len,*k1= k+k_len; +while(k<k1&&j<j1&&*j==*k)k++,j++; +if(k==k1)if(j==j1)return equal; +else return extension; +else if(j==j1)return prefix; +else if(*j<*k)return less; +else return greater; +} + +/*:45*//*47:*/ +#line 855 "common.w" + +name_pointer +add_section_name(par,c,first,last,ispref) +name_pointer par; +int c; +char*first; +char*last; +int ispref; +{ +name_pointer p= name_ptr; +char*s= first_chunk(p); +int name_len= last-first+ispref; +if(s+name_len> byte_mem_end)overflow("byte memory"); +if(name_ptr+1>=name_dir_end)overflow("name"); +(++name_ptr)->byte_start= byte_ptr= s+name_len; +if(ispref){ +*(byte_ptr-1)= ' '; +name_len--; +name_ptr->link= name_dir; +(++name_ptr)->byte_start= byte_ptr; +} +set_prefix_length(p,name_len); +strncpy(s,first,name_len); +p->llink= NULL; +p->rlink= NULL; +init_node(p); +return par==NULL?(root= p):c==less?(par->llink= p):(par->rlink= p); +} + +/*:47*//*48:*/ +#line 884 "common.w" + +void +extend_section_name(p,first,last,ispref) +name_pointer p; +char*first; +char*last; +int ispref; +{ +char*s; +name_pointer q= p+1; +int name_len= last-first+ispref; +if(name_ptr>=name_dir_end)overflow("name"); +while(q->link!=name_dir)q= q->link; +q->link= name_ptr; +s= name_ptr->byte_start; +name_ptr->link= name_dir; +if(s+name_len> byte_mem_end)overflow("byte memory"); +(++name_ptr)->byte_start= byte_ptr= s+name_len; +strncpy(s,first,name_len); +if(ispref)*(byte_ptr-1)= ' '; +} + +/*:48*//*49:*/ +#line 912 "common.w" + +name_pointer +section_lookup(first,last,ispref) +char*first,*last; +int ispref; +{ +int c= 0; +name_pointer p= root; +name_pointer q= NULL; +name_pointer r= NULL; +name_pointer par= NULL; + +int name_len= last-first+1; +/*50:*/ +#line 936 "common.w" + +while(p){ +c= web_strcmp(first,name_len,first_chunk(p),prefix_length(p)); +if(c==less||c==greater){ +if(r==NULL) +par= p; +p= (c==less?p->llink:p->rlink); +}else{ +if(r!=NULL){ +printf("\n! Ambiguous prefix: matches <"); + +print_prefix_name(p); +printf(">\n and <"); +print_prefix_name(r); +err_print(">"); +return name_dir; +} +r= p; +p= p->llink; +q= r->rlink; +} +if(p==NULL) +p= q,q= NULL; +} + +/*:50*/ +#line 926 "common.w" +; +/*51:*/ +#line 961 "common.w" + +if(r==NULL) +return add_section_name(par,c,first,last+1,ispref); + +/*:51*/ +#line 927 "common.w" +; +/*52:*/ +#line 969 "common.w" + +switch(section_name_cmp(&first,name_len,r)){ + +case prefix: +if(!ispref){ +printf("\n! New name is a prefix of <"); + +print_section_name(r); +err_print(">"); +} +else if(name_len<prefix_length(r))set_prefix_length(r,name_len); + +case equal:return r; +case extension:if(!ispref||first<=last) +extend_section_name(r,first,last+1,ispref); +return r; +case bad_extension: +printf("\n! New name extends <"); + +print_section_name(r); +err_print(">"); +return r; +default: +printf("\n! Section name incompatible with <"); + +print_prefix_name(r); +printf(">,\n which abbreviates <"); +print_section_name(r); +err_print(">"); +return r; +} + +/*:52*/ +#line 928 "common.w" +; +} + +/*:49*//*54:*/ +#line 1020 "common.w" + +int section_name_cmp(pfirst,len,r) +char**pfirst; +int len; +name_pointer r; +{ +char*first= *pfirst; +name_pointer q= r+1; +char*ss,*s= first_chunk(r); +int c; +int ispref; +while(1){ +ss= (r+1)->byte_start-1; +if(*ss==' '&&ss>=r->byte_start)ispref= 1,q= q->link; +else ispref= 0,ss++,q= name_dir; +switch(c= web_strcmp(first,len,s,ss-s)){ +case equal:if(q==name_dir) +if(ispref){ +*pfirst= first+(ss-s); +return extension; +}else return equal; +else return(q->byte_start==(q+1)->byte_start)?equal:prefix; +case extension: +if(!ispref)return bad_extension; +first+= ss-s; +if(q!=name_dir){len-= ss-s;s= q->byte_start;r= q;continue;} +*pfirst= first;return extension; +default:return c; +} +} +} + +/*:54*//*58:*/ +#line 1095 "common.w" + +void +err_print(s) +char*s; +{ +char*k,*l; +printf(*s=='!'?"\n%s":"%s",s); +if(web_file_open)/*59:*/ +#line 1115 "common.w" + +{if(changing&&include_depth==change_depth) +printf(". (l. %d of change file)\n",change_line); +else if(include_depth==0)printf(". (l. %d)\n",cur_line); +else printf(". (l. %d of include file %s)\n",cur_line,cur_file_name); +l= (loc>=limit?limit:loc); +if(l> buffer){ +for(k= buffer;k<l;k++) +if(*k=='\t')putchar(' '); +else putchar(*k); +putchar('\n'); +for(k= buffer;k<l;k++)putchar(' '); +} +for(k= l;k<limit;k++)putchar(*k); +if(*limit=='|')putchar('|'); +putchar(' '); +} + +/*:59*/ +#line 1102 "common.w" +; +update_terminal;mark_error; +} + +/*:58*//*61:*/ +#line 1150 "common.w" + +int wrap_up(){ +putchar('\n'); +if(show_stats) +print_stats(); +/*62:*/ +#line 1160 "common.w" + +switch(history){ +case spotless:if(show_happiness)printf("(No errors were found.)\n");break; +case harmless_message: +printf("(Did you see the warning message above?)\n");break; +case error_message: +printf("(Pardon me, but I think I spotted something wrong.)\n");break; +case fatal_message:printf("(That was a fatal error, my friend.)\n"); +} + +/*:62*/ +#line 1155 "common.w" +; +if(history> harmless_message)return(1); +else return(0); +} + +/*:61*//*64:*/ +#line 1179 "common.w" +void +fatal(s,t) +char*s,*t; +{ +if(*s)printf(s); +err_print(t); +history= fatal_message;exit(wrap_up()); +} + +/*:64*//*65:*/ +#line 1190 "common.w" +void +overflow(t) +char*t; +{ +printf("\n! Sorry, %s capacity exceeded",t);fatal("",""); +} + + +/*:65*//*70:*/ +#line 1254 "common.w" + +void +scan_args() +{ +char*dot_pos; +char*name_pos; +register char*s; +boolean found_web= 0,found_change= 0,found_out= 0; + +boolean flag_change; + +while(--argc> 0){ +if((**(++argv)=='-'||**argv=='+')&&*(*argv+1))/*74:*/ +#line 1344 "common.w" + +{ +if(**argv=='-')flag_change= 0; +else flag_change= 1; +for(dot_pos= *argv+1;*dot_pos> '\0';dot_pos++) +flags[*dot_pos]= flag_change; +} + +/*:74*/ +#line 1266 "common.w" + +else{ +s= name_pos= *argv;dot_pos= NULL; +while(*s){ +if(*s=='.')dot_pos= s++; +else if(*s=='/')dot_pos= NULL,name_pos= ++s; +else s++; +} +if(!found_web)/*71:*/ +#line 1292 "common.w" + +{ +if(s-*argv> max_file_name_length-5) +/*76:*/ +#line 1364 "common.w" +fatal("! Filename too long\n",*argv); + + +/*:76*/ +#line 1295 "common.w" +; +if(dot_pos==NULL) +sprintf(web_file_name,"%s.w",*argv); +else{ +strcpy(web_file_name,*argv); +*dot_pos= 0; +} +sprintf(alt_web_file_name,"%s.web",*argv); +sprintf(tex_file_name,"%s.tex",name_pos); +sprintf(idx_file_name,"%s.idx",name_pos); +sprintf(scn_file_name,"%s.scn",name_pos); +sprintf(C_file_name,"%s.c",name_pos); +found_web= 1; +} + +/*:71*/ +#line 1275 "common.w" + +else if(!found_change)/*72:*/ +#line 1310 "common.w" + +{ +if(strcmp(*argv,"-")==0)found_change= -1; +else{ +if(s-*argv> max_file_name_length-4) +/*76:*/ +#line 1364 "common.w" +fatal("! Filename too long\n",*argv); + + +/*:76*/ +#line 1315 "common.w" +; +if(dot_pos==NULL) +sprintf(change_file_name,"%s.ch",*argv); +else strcpy(change_file_name,*argv); +found_change= 1; +} +} + +/*:72*/ +#line 1276 "common.w" + +else if(!found_out)/*73:*/ +#line 1323 "common.w" + +{ +if(s-*argv> max_file_name_length-5) +/*76:*/ +#line 1364 "common.w" +fatal("! Filename too long\n",*argv); + + +/*:76*/ +#line 1326 "common.w" +; +if(dot_pos==NULL){ +sprintf(tex_file_name,"%s.tex",*argv); +sprintf(idx_file_name,"%s.idx",*argv); +sprintf(scn_file_name,"%s.scn",*argv); +sprintf(C_file_name,"%s.c",*argv); +}else{ +strcpy(tex_file_name,*argv); +strcpy(C_file_name,*argv); +if(flags['x']){ +*dot_pos= 0; +sprintf(idx_file_name,"%s.idx",*argv); +sprintf(scn_file_name,"%s.scn",*argv); +} +} +found_out= 1; +} + +/*:73*/ +#line 1277 "common.w" + +else/*75:*/ +#line 1352 "common.w" + +{ +if(program==ctangle) +fatal( +"! Usage: ctangle [options] webfile[.w] [{changefile[.ch]|-} [outfile[.c]]]\n" +,""); + +else fatal( +"! Usage: cweave [options] webfile[.w] [{changefile[.ch]|-} [outfile[.tex]]]\n" +,""); +} + +/*:75*/ +#line 1278 "common.w" +; +} +} +if(!found_web)/*75:*/ +#line 1352 "common.w" + +{ +if(program==ctangle) +fatal( +"! Usage: ctangle [options] webfile[.w] [{changefile[.ch]|-} [outfile[.c]]]\n" +,""); + +else fatal( +"! Usage: cweave [options] webfile[.w] [{changefile[.ch]|-} [outfile[.tex]]]\n" +,""); +} + +/*:75*/ +#line 1281 "common.w" +; +if(found_change<=0)strcpy(change_file_name,"/dev/null"); +} + +/*:70*/ |