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authorKarl Berry <karl@freefriends.org>2006-01-17 21:41:51 +0000
committerKarl Berry <karl@freefriends.org>2006-01-17 21:41:51 +0000
commit487ca4806cc046076293cf6cc5fbba0db282bac7 (patch)
tree847b412ab5158dd7bdd7ed7e5a4cc3fbca94be32 /Build/source/texk/web2c/cwebdir/ctangle.c
parenta3d3111bfe26b8e5f5bc6049dfb2a4ca2edc7881 (diff)
texk 1
git-svn-id: svn://tug.org/texlive/trunk@1485 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/web2c/cwebdir/ctangle.c')
-rw-r--r--Build/source/texk/web2c/cwebdir/ctangle.c1566
1 files changed, 1566 insertions, 0 deletions
diff --git a/Build/source/texk/web2c/cwebdir/ctangle.c b/Build/source/texk/web2c/cwebdir/ctangle.c
new file mode 100644
index 00000000000..01fa7c407cd
--- /dev/null
+++ b/Build/source/texk/web2c/cwebdir/ctangle.c
@@ -0,0 +1,1566 @@
+/*1:*/
+#line 64 "ctangle.w"
+
+/*6:*/
+#line 35 "common.h"
+
+#include <stdio.h>
+
+/*:6*//*62:*/
+#line 888 "ctangle.w"
+
+#include <ctype.h>
+#include <stdlib.h>
+
+/*:62*/
+#line 65 "ctangle.w"
+
+#define banner "This is CTANGLE (Version 3.64)\n" \
+
+#define max_bytes 90000 \
+
+#define max_toks 270000
+#define max_names 4000 \
+
+#define max_texts 2500
+#define hash_size 353
+#define longest_name 10000
+#define stack_size 50
+#define buf_size 100 \
+
+#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 xisalpha(c) (isalpha(c) &&((eight_bits) c<0200) )
+#define xisdigit(c) (isdigit(c) &&((eight_bits) c<0200) )
+#define xisspace(c) (isspace(c) &&((eight_bits) c<0200) )
+#define xislower(c) (islower(c) &&((eight_bits) c<0200) )
+#define xisupper(c) (isupper(c) &&((eight_bits) c<0200) )
+#define xisxdigit(c) (isxdigit(c) &&((eight_bits) c<0200) ) \
+
+#define length(c) (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 chunk_marker 0 \
+
+#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 max_file_name_length 60
+#define cur_file file[include_depth]
+#define cur_file_name file_name[include_depth]
+#define web_file_name file_name[0]
+#define cur_line line[include_depth] \
+
+#define show_banner flags['b']
+#define show_progress flags['p']
+#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) \
+
+#define equiv equiv_or_xref \
+
+#define section_flag max_texts \
+
+#define string 02
+#define join 0177
+#define output_defs_flag (2*024000-1) \
+
+#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 translit_length 10 \
+
+#define ignore 0
+#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 constant 03 \
+
+#define isxalpha(c) ((c) =='_'||(c) =='$') \
+
+#define ishigh(c) ((unsigned char) (c) > 0177) \
+ \
+
+#define compress(c) if(loc++<=limit) return(c) \
+
+#define macro 0
+#define app_repl(c) {if(tok_ptr==tok_mem_end) overflow("token") ;*tok_ptr++= c;} \
+
+
+#line 66 "ctangle.w"
+
+/*5:*/
+#line 29 "common.h"
+
+typedef short boolean;
+typedef char unsigned eight_bits;
+extern boolean program;
+extern int phase;
+
+/*:5*//*7:*/
+#line 57 "common.h"
+
+char section_text[longest_name+1];
+char*section_text_end= section_text+longest_name;
+char*id_first;
+char*id_loc;
+
+/*:7*//*8:*/
+#line 72 "common.h"
+
+extern char buffer[];
+extern char*buffer_end;
+extern char*loc;
+extern char*limit;
+
+/*:8*//*9:*/
+#line 87 "common.h"
+
+typedef struct name_info{
+char*byte_start;
+struct name_info*link;
+union{
+struct name_info*Rlink;
+
+char Ilk;
+}dummy;
+char*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 name_info name_dir[];
+extern name_pointer name_dir_end;
+extern name_pointer name_ptr;
+extern char*byte_ptr;
+extern name_pointer hash[];
+extern hash_pointer hash_end;
+extern hash_pointer h;
+extern name_pointer id_lookup();
+extern name_pointer section_lookup();
+extern void print_section_name(),sprint_section_name();
+
+/*:9*//*10:*/
+#line 122 "common.h"
+
+extern history;
+extern err_print();
+extern wrap_up();
+extern void fatal();
+extern void overflow();
+
+/*:10*//*11:*/
+#line 137 "common.h"
+
+extern include_depth;
+extern FILE*file[];
+extern FILE*change_file;
+extern char C_file_name[];
+extern char tex_file_name[];
+extern char idx_file_name[];
+extern char scn_file_name[];
+extern char file_name[][max_file_name_length];
+
+extern char change_file_name[];
+extern line[];
+extern change_line;
+extern boolean input_has_ended;
+extern boolean changing;
+extern boolean web_file_open;
+extern reset_input();
+extern get_line();
+extern check_complete();
+
+/*:11*//*12:*/
+#line 158 "common.h"
+
+typedef unsigned short sixteen_bits;
+extern sixteen_bits section_count;
+extern boolean changed_section[];
+extern boolean change_pending;
+extern boolean print_where;
+
+/*:12*//*13:*/
+#line 170 "common.h"
+
+extern int argc;
+extern char**argv;
+extern boolean flags[];
+
+/*:13*//*14:*/
+#line 182 "common.h"
+
+extern FILE*C_file;
+extern FILE*tex_file;
+extern FILE*idx_file;
+extern FILE*scn_file;
+extern FILE*active_file;
+
+/*:14*//*15:*/
+#line 191 "common.h"
+
+extern void common_init();
+#line 128 "ctangle.w"
+
+/*:15*/
+#line 67 "ctangle.w"
+
+/*16:*/
+#line 152 "ctangle.w"
+
+typedef struct{
+eight_bits*tok_start;
+sixteen_bits text_link;
+}text;
+typedef text*text_pointer;
+
+/*:16*//*27:*/
+#line 296 "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;
+
+/*:27*/
+#line 68 "ctangle.w"
+
+/*17:*/
+#line 159 "ctangle.w"
+
+text text_info[max_texts];
+text_pointer text_info_end= text_info+max_texts-1;
+text_pointer text_ptr;
+eight_bits tok_mem[max_toks];
+eight_bits*tok_mem_end= tok_mem+max_toks-1;
+eight_bits*tok_ptr;
+
+/*:17*//*23:*/
+#line 227 "ctangle.w"
+
+text_pointer last_unnamed;
+
+/*:23*//*28:*/
+#line 312 "ctangle.w"
+
+output_state cur_state;
+
+output_state stack[stack_size+1];
+stack_pointer stack_ptr;
+stack_pointer stack_end= stack+stack_size;
+
+/*:28*//*32:*/
+#line 384 "ctangle.w"
+
+int cur_val;
+
+/*:32*//*36:*/
+#line 473 "ctangle.w"
+
+eight_bits out_state;
+boolean protect;
+
+/*:36*//*38:*/
+#line 502 "ctangle.w"
+
+name_pointer output_files[max_files];
+name_pointer*cur_out_file,*end_output_files,*an_output_file;
+char cur_section_name_char;
+char output_file_name[longest_name];
+
+/*:38*//*45:*/
+#line 599 "ctangle.w"
+
+boolean output_defs_seen= 0;
+
+/*:45*//*51:*/
+#line 710 "ctangle.w"
+
+char translit[128][translit_length];
+
+/*:51*//*56:*/
+#line 789 "ctangle.w"
+
+eight_bits ccode[256];
+
+/*:56*//*59:*/
+#line 845 "ctangle.w"
+
+boolean comment_continues= 0;
+
+/*:59*//*61:*/
+#line 884 "ctangle.w"
+
+name_pointer cur_section_name;
+int no_where;
+
+/*:61*//*75:*/
+#line 1195 "ctangle.w"
+
+text_pointer cur_text;
+eight_bits next_control;
+
+/*:75*//*82:*/
+#line 1350 "ctangle.w"
+
+extern sixteen_bits section_count;
+
+/*:82*/
+#line 69 "ctangle.w"
+
+/*2:*/
+#line 77 "ctangle.w"
+
+extern int strlen();
+extern int strcmp();
+extern char*strcpy();
+extern int strncmp();
+extern char*strncpy();
+
+/*:2*//*41:*/
+#line 533 "ctangle.w"
+
+void phase_two();
+
+/*:41*//*46:*/
+#line 602 "ctangle.w"
+
+void output_defs();
+
+/*:46*//*48:*/
+#line 648 "ctangle.w"
+
+static void out_char();
+
+/*:48*//*90:*/
+#line 1457 "ctangle.w"
+
+void phase_one();
+
+/*:90*//*92:*/
+#line 1475 "ctangle.w"
+
+void skip_limbo();
+
+/*:92*/
+#line 70 "ctangle.w"
+
+
+/*:1*//*3:*/
+#line 91 "ctangle.w"
+
+int main(ac,av)
+int ac;
+char**av;
+{
+argc= ac;argv= av;
+program= ctangle;
+/*18:*/
+#line 167 "ctangle.w"
+
+text_info->tok_start= tok_ptr= tok_mem;
+text_ptr= text_info+1;text_ptr->tok_start= tok_mem;
+
+
+/*:18*//*20:*/
+#line 177 "ctangle.w"
+
+name_dir->equiv= (char*)text_info;
+
+/*:20*//*24:*/
+#line 230 "ctangle.w"
+last_unnamed= text_info;text_info->text_link= 0;
+
+/*:24*//*39:*/
+#line 512 "ctangle.w"
+
+cur_out_file= end_output_files= output_files+max_files;
+
+/*:39*//*52:*/
+#line 713 "ctangle.w"
+
+{
+int i;
+for(i= 0;i<128;i++)sprintf(translit[i],"X%02X",(unsigned)(128+i));
+}
+
+/*:52*//*57:*/
+#line 792 "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['@']= '@';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;
+}
+
+/*:57*//*71:*/
+#line 1116 "ctangle.w"
+section_text[0]= ' ';
+
+/*:71*/
+#line 98 "ctangle.w"
+;
+common_init();
+if(show_banner)printf(banner);
+phase_one();
+phase_two();
+return wrap_up();
+}
+
+/*:3*//*21:*/
+#line 183 "ctangle.w"
+
+int names_match(p,first,l)
+name_pointer p;
+char*first;
+int l;
+{
+if(length(p)!=l)return 0;
+return!strncmp(first,p->byte_start,l);
+}
+
+/*:21*//*22:*/
+#line 198 "ctangle.w"
+
+void
+init_node(node)
+name_pointer node;
+{
+node->equiv= (char*)text_info;
+}
+void
+init_p(){}
+
+/*:22*//*26:*/
+#line 260 "ctangle.w"
+
+void
+store_two_bytes(x)
+sixteen_bits x;
+{
+if(tok_ptr+2> tok_mem_end)overflow("token");
+*tok_ptr++= x>>8;
+*tok_ptr++= x&0377;
+}
+
+/*:26*//*30:*/
+#line 336 "ctangle.w"
+
+void
+push_level(p)
+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;
+}
+}
+
+/*:30*//*31:*/
+#line 355 "ctangle.w"
+
+void
+pop_level(flag)
+int 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;
+}
+
+/*:31*//*33:*/
+#line 391 "ctangle.w"
+
+void
+get_output()
+{
+sixteen_bits a;
+restart:if(stack_ptr==stack)return;
+if(cur_byte==cur_end){
+cur_val= -((int)cur_section);
+pop_level(1);
+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= a;out_char(identifier);break;
+case 1:if(a==output_defs_flag)output_defs();
+else/*34:*/
+#line 423 "ctangle.w"
+
+{
+a-= 024000;
+if((a+name_dir)->equiv!=(char*)text_info)push_level(a+name_dir);
+else if(a!=0){
+printf("\n! Not present: <");
+print_section_name(a+name_dir);err_print(">");
+
+}
+goto restart;
+}
+
+/*:34*/
+#line 412 "ctangle.w"
+;
+break;
+default:cur_val= a-050000;if(cur_val> 0)cur_section= cur_val;
+out_char(section_number);
+}
+}
+}
+
+/*:33*//*37:*/
+#line 481 "ctangle.w"
+
+void
+flush_buffer()
+{
+C_putc('\n');
+if(cur_line%100==0&&show_progress){
+printf(".");
+if(cur_line%500==0)printf("%d",cur_line);
+update_terminal;
+}
+cur_line++;
+}
+
+/*:37*//*42:*/
+#line 536 "ctangle.w"
+
+void
+phase_two(){
+web_file_open= 0;
+cur_line= 1;
+/*29:*/
+#line 325 "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;
+
+/*:29*/
+#line 541 "ctangle.w"
+;
+/*44:*/
+#line 595 "ctangle.w"
+
+if(!output_defs_seen)
+output_defs();
+
+/*:44*/
+#line 542 "ctangle.w"
+;
+if(text_info->text_link==0&&cur_out_file==end_output_files){
+printf("\n! No program text was specified.");mark_harmless;
+
+}
+else{
+if(cur_out_file==end_output_files){
+if(show_progress)
+printf("\nWriting the output file (%s):",C_file_name);
+}
+else{
+if(show_progress){
+printf("\nWriting the output files:");
+
+printf(" (%s)",C_file_name);
+update_terminal;
+}
+if(text_info->text_link==0)goto writeloop;
+}
+while(stack_ptr> stack)get_output();
+flush_buffer();
+writeloop:/*43:*/
+#line 572 "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);
+C_file= fopen(output_file_name,"w");
+if(C_file==0)fatal("! Cannot open output file:",output_file_name);
+
+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();
+}
+
+/*:43*/
+#line 563 "ctangle.w"
+;
+if(show_happiness)printf("\nDone.");
+}
+}
+
+/*:42*//*47:*/
+#line 605 "ctangle.w"
+
+void
+output_defs()
+{
+sixteen_bits a;
+push_level(NULL);
+for(cur_text= text_info+1;cur_text<text_ptr;cur_text++)
+if(cur_text->text_link==0){
+cur_byte= cur_text->tok_start;
+cur_end= (cur_text+1)->tok_start;
+C_printf("%s","#define ");
+out_state= normal;
+protect= 1;
+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= a;out_char(identifier);
+}
+else if(a<050000){confusion("macro defs have strange char");}
+else{
+cur_val= a-050000;cur_section= cur_val;out_char(section_number);
+}
+
+}
+}
+protect= 0;
+flush_buffer();
+}
+pop_level(0);
+}
+
+/*:47*//*49:*/
+#line 651 "ctangle.w"
+
+static void
+out_char(cur_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;
+/*53:*/
+#line 719 "ctangle.w"
+
+case identifier:
+if(out_state==num_or_id)C_putc(' ');
+j= (cur_val+name_dir)->byte_start;
+k= (cur_val+name_dir+1)->byte_start;
+while(j<k){
+if((unsigned char)(*j)<0200)C_putc(*j);
+
+else C_printf("%s",translit[(unsigned char)(*j)-0200]);
+j++;
+}
+out_state= num_or_id;break;
+
+/*:53*/
+#line 662 "ctangle.w"
+;
+/*54:*/
+#line 732 "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= '\n';
+goto restart;
+}else{
+sixteen_bits a;
+a= 0400**cur_byte++;
+a+= *cur_byte++;
+C_printf("\n#line %d \"",a);
+
+cur_val= *cur_byte++;
+cur_val= 0400*(cur_val-0200)+*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_printf("%s","\"\n");
+}
+break;
+
+/*:54*/
+#line 663 "ctangle.w"
+;
+/*50:*/
+#line 681 "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 not_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;
+
+/*:50*/
+#line 664 "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;
+}
+}
+
+/*:49*//*58:*/
+#line 813 "ctangle.w"
+
+eight_bits
+skip_ahead()
+{
+eight_bits c;
+while(1){
+if(loc> limit&&(get_line()==0))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);
+}
+}
+}
+
+/*:58*//*60:*/
+#line 848 "ctangle.w"
+
+int skip_comment(is_long_comment)
+boolean is_long_comment;
+{
+char c;
+while(1){
+if(loc> limit){
+if(is_long_comment){
+if(get_line())return(comment_continues= 1);
+else{
+err_print("! Input ended in mid-comment");
+
+return(comment_continues= 0);
+}
+}
+else return(comment_continues= 0);
+}
+c= *(loc++);
+if(is_long_comment&&c=='*'&&*loc=='/'){
+loc++;return(comment_continues= 0);
+}
+if(c=='@'){
+if(ccode[(eight_bits)*loc]==new_section){
+err_print("! Section name ended in mid-comment");loc--;
+
+return(comment_continues= 0);
+}
+else loc++;
+}
+}
+}
+
+/*:60*//*63:*/
+#line 900 "ctangle.w"
+
+eight_bits
+get_next()
+{
+static int preprocessing= 0;
+eight_bits c;
+while(1){
+if(loc> limit){
+if(preprocessing&&*(limit-1)!='\\')preprocessing= 0;
+if(get_line()==0)return(new_section);
+else if(print_where&&!no_where){
+print_where= 0;
+/*77:*/
+#line 1225 "ctangle.w"
+
+store_two_bytes(0150000);
+if(changing)id_first= change_file_name;
+else id_first= cur_file_name;
+id_loc= id_first+strlen(id_first);
+if(changing)store_two_bytes((sixteen_bits)change_line);
+else store_two_bytes((sixteen_bits)cur_line);
+{int a= id_lookup(id_first,id_loc,0)-name_dir;app_repl((a/0400)+0200);
+app_repl(a%0400);}
+
+/*:77*/
+#line 912 "ctangle.w"
+;
+}
+else return('\n');
+}
+c= *loc;
+if(comment_continues||(c=='/'&&(*(loc+1)=='*'||*(loc+1)=='/'))){
+skip_comment(comment_continues||*(loc+1)=='*');
+
+if(comment_continues)return('\n');
+else continue;
+}
+loc++;
+if(xisdigit(c)||c=='.')/*66:*/
+#line 978 "ctangle.w"
+{
+id_first= loc-1;
+if(*id_first=='.'&&!xisdigit(*loc))goto mistake;
+if(*id_first=='0'){
+if(*loc=='x'||*loc=='X'){
+loc++;while(xisxdigit(*loc))loc++;goto found;
+}
+}
+while(xisdigit(*loc))loc++;
+if(*loc=='.'){
+loc++;
+while(xisdigit(*loc))loc++;
+}
+if(*loc=='e'||*loc=='E'){
+if(*++loc=='+'||*loc=='-')loc++;
+while(xisdigit(*loc))loc++;
+}
+found:while(*loc=='u'||*loc=='U'||*loc=='l'||*loc=='L'
+||*loc=='f'||*loc=='F')loc++;
+id_loc= loc;
+return(constant);
+}
+
+/*:66*/
+#line 924 "ctangle.w"
+
+else if(c=='\''||c=='"'||(c=='L'&&(*loc=='\''||*loc=='"')))
+/*67:*/
+#line 1006 "ctangle.w"
+{
+char delim= c;
+id_first= section_text+1;
+id_loc= section_text;*++id_loc= delim;
+if(delim=='L'){
+delim= *loc++;*++id_loc= delim;
+}
+while(1){
+if(loc>=limit){
+if(*(limit-1)!='\\'){
+err_print("! String didn't end");loc= limit;break;
+
+}
+if(get_line()==0){
+err_print("! Input ended in middle of string");loc= buffer;break;
+
+}
+else if(++id_loc<=section_text_end)*id_loc= '\n';
+
+}
+if((c= *loc++)==delim){
+if(++id_loc<=section_text_end)*id_loc= c;
+break;
+}
+if(c=='\\'){
+if(loc>=limit)continue;
+if(++id_loc<=section_text_end)*id_loc= '\\';
+c= *loc++;
+}
+if(++id_loc<=section_text_end)*id_loc= c;
+}
+if(id_loc>=section_text_end){
+printf("\n! String too long: ");
+
+term_write(section_text+1,25);
+err_print("...");
+}
+id_loc++;
+return(string);
+}
+
+/*:67*/
+#line 926 "ctangle.w"
+
+else if(isalpha(c)||isxalpha(c)||ishigh(c))
+/*65:*/
+#line 972 "ctangle.w"
+{
+id_first= --loc;
+while(isalpha(*++loc)||isdigit(*loc)||isxalpha(*loc)||ishigh(*loc));
+id_loc= loc;return(identifier);
+}
+
+/*:65*/
+#line 928 "ctangle.w"
+
+else if(c=='@')/*68:*/
+#line 1050 "ctangle.w"
+{
+c= ccode[(eight_bits)*loc++];
+switch(c){
+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);
+/*70:*/
+#line 1098 "ctangle.w"
+{
+char*k;
+/*72:*/
+#line 1118 "ctangle.w"
+
+k= section_text;
+while(1){
+if(loc> limit&&get_line()==0){
+err_print("! Input ended in section name");
+
+loc= buffer+1;break;
+}
+c= *loc;
+/*73:*/
+#line 1142 "ctangle.w"
+
+if(c=='@'){
+c= *(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++;
+}
+
+/*:73*/
+#line 1127 "ctangle.w"
+;
+loc++;if(k<section_text_end)k++;
+if(xisspace(c)){
+c= ' ';if(*(k-1)==' ')k--;
+}
+*k= c;
+}
+if(k>=section_text_end){
+printf("\n! Section name too long: ");
+
+term_write(section_text+1,25);
+printf("...");mark_harmless;
+}
+if(*k==' '&&k> section_text)k--;
+
+/*:72*/
+#line 1100 "ctangle.w"
+;
+if(k-section_text> 3&&strncmp(k-2,"...",3)==0)
+cur_section_name= section_lookup(section_text+1,k-3,1);
+else cur_section_name= section_lookup(section_text+1,k,0);
+if(cur_section_name_char=='(')
+/*40:*/
+#line 516 "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");
+}
+}
+}
+
+/*:40*/
+#line 1106 "ctangle.w"
+;
+return(section_name);
+}
+
+/*:70*/
+#line 1064 "ctangle.w"
+;
+case string:/*74:*/
+#line 1164 "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);
+}
+
+/*:74*/
+#line 1065 "ctangle.w"
+;
+case ord:/*69:*/
+#line 1077 "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);
+
+/*:69*/
+#line 1066 "ctangle.w"
+;
+default:return(c);
+}
+}
+
+/*:68*/
+#line 929 "ctangle.w"
+
+else if(xisspace(c)){
+if(!preprocessing||loc> limit)continue;
+
+else return(' ');
+}
+else if(c=='#'&&loc==buffer+1)preprocessing= 1;
+mistake:/*64:*/
+#line 950 "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(not_eq);break;
+}
+
+/*:64*/
+#line 936 "ctangle.w"
+
+return(c);
+}
+}
+
+/*:63*//*76:*/
+#line 1199 "ctangle.w"
+
+void
+scan_repl(t)
+eight_bits t;
+{
+sixteen_bits a;
+if(t==section_name){/*77:*/
+#line 1225 "ctangle.w"
+
+store_two_bytes(0150000);
+if(changing)id_first= change_file_name;
+else id_first= cur_file_name;
+id_loc= id_first+strlen(id_first);
+if(changing)store_two_bytes((sixteen_bits)change_line);
+else store_two_bytes((sixteen_bits)cur_line);
+{int a= id_lookup(id_first,id_loc,0)-name_dir;app_repl((a/0400)+0200);
+app_repl(a%0400);}
+
+/*:77*/
+#line 1205 "ctangle.w"
+;}
+while(1)switch(a= get_next()){
+/*78:*/
+#line 1235 "ctangle.w"
+
+case identifier:a= id_lookup(id_first,id_loc,0)-name_dir;
+app_repl((a/0400)+0200);
+app_repl(a%0400);break;
+case section_name:if(t!=section_name)goto done;
+else{
+/*79:*/
+#line 1268 "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");
+
+
+
+}
+
+/*:79*/
+#line 1241 "ctangle.w"
+;
+a= cur_section_name-name_dir;
+app_repl((a/0400)+0250);
+app_repl(a%0400);
+/*77:*/
+#line 1225 "ctangle.w"
+
+store_two_bytes(0150000);
+if(changing)id_first= change_file_name;
+else id_first= cur_file_name;
+id_loc= id_first+strlen(id_first);
+if(changing)store_two_bytes((sixteen_bits)change_line);
+else store_two_bytes((sixteen_bits)cur_line);
+{int a= id_lookup(id_first,id_loc,0)-name_dir;app_repl((a/0400)+0200);
+app_repl(a%0400);}
+
+/*:77*/
+#line 1245 "ctangle.w"
+;break;
+}
+case output_defs_code:if(t!=section_name)err_print("! Misplaced @h");
+
+else{
+output_defs_seen= 1;
+a= output_defs_flag;
+app_repl((a/0400)+0200);
+app_repl(a%0400);
+/*77:*/
+#line 1225 "ctangle.w"
+
+store_two_bytes(0150000);
+if(changing)id_first= change_file_name;
+else id_first= cur_file_name;
+id_loc= id_first+strlen(id_first);
+if(changing)store_two_bytes((sixteen_bits)change_line);
+else store_two_bytes((sixteen_bits)cur_line);
+{int a= id_lookup(id_first,id_loc,0)-name_dir;app_repl((a/0400)+0200);
+app_repl(a%0400);}
+
+/*:77*/
+#line 1254 "ctangle.w"
+;
+}
+break;
+case constant:case string:
+/*80:*/
+#line 1279 "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");
+
+}
+app_repl(*id_first++);
+}
+app_repl(a);break;
+
+/*:80*/
+#line 1258 "ctangle.w"
+;
+case ord:
+/*81:*/
+#line 1295 "ctangle.w"
+{
+int c= (eight_bits)*id_first;
+if(c=='\\'){
+c= *++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= *(++id_first)-'0';
+else if(xisxdigit(*(id_first+1))){
+++id_first;
+c= toupper(*id_first)-'A'+10;
+}
+if(xisdigit(*(id_first+1)))c= 16*c+*(++id_first)-'0';
+else if(xisxdigit(*(id_first+1))){
+++id_first;
+c= 16*c+toupper(*id_first)-'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('0'+c/100);
+if(c>=10)app_repl('0'+(c/10)%10);
+app_repl('0'+c%10);
+app_repl(constant);
+}
+break;
+
+/*:81*/
+#line 1260 "ctangle.w"
+;
+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;
+
+/*:78*/
+#line 1210 "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;
+}
+
+/*:76*//*83:*/
+#line 1357 "ctangle.w"
+
+void
+scan_section()
+{
+name_pointer p;
+text_pointer q;
+sixteen_bits a;
+section_count++;no_where= 1;
+if(*(loc-1)=='*'&&show_progress){
+printf("*%d",section_count);update_terminal;
+}
+next_control= 0;
+while(1){
+/*84:*/
+#line 1396 "ctangle.w"
+
+while(next_control<definition)
+
+if((next_control= skip_ahead())==section_name){
+loc-= 2;next_control= get_next();
+}
+
+/*:84*/
+#line 1371 "ctangle.w"
+;
+if(next_control==definition){
+/*85:*/
+#line 1403 "ctangle.w"
+{
+while((next_control= get_next())=='\n');
+if(next_control!=identifier){
+err_print("! Definition flushed, must start with identifier");
+
+continue;
+}
+app_repl(((a= id_lookup(id_first,id_loc,0)-name_dir)/0400)+0200);
+
+app_repl(a%0400);
+if(*loc!='('){
+app_repl(string);app_repl(' ');app_repl(string);
+}
+scan_repl(macro);
+cur_text->text_link= 0;
+}
+
+/*:85*/
+#line 1373 "ctangle.w"
+
+continue;
+}
+if(next_control==begin_C){
+p= name_dir;break;
+}
+if(next_control==section_name){
+p= cur_section_name;
+/*86:*/
+#line 1428 "ctangle.w"
+
+while((next_control= get_next())=='+');
+if(next_control!='='&&next_control!=eq_eq)
+continue;
+
+/*:86*/
+#line 1381 "ctangle.w"
+;
+break;
+}
+return;
+}
+no_where= print_where= 0;
+/*87:*/
+#line 1433 "ctangle.w"
+
+/*88:*/
+#line 1438 "ctangle.w"
+
+store_two_bytes((sixteen_bits)(0150000+section_count));
+
+
+/*:88*/
+#line 1434 "ctangle.w"
+;
+scan_repl(section_name);
+/*89:*/
+#line 1442 "ctangle.w"
+
+if(p==name_dir||p==0){
+(last_unnamed)->text_link= cur_text-text_info;last_unnamed= cur_text;
+}
+else if(p->equiv==(char*)text_info)p->equiv= (char*)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;
+
+
+/*:89*/
+#line 1436 "ctangle.w"
+;
+
+/*:87*/
+#line 1387 "ctangle.w"
+;
+}
+
+/*:83*//*91:*/
+#line 1460 "ctangle.w"
+
+void
+phase_one(){
+phase= 1;
+section_count= 0;
+reset_input();
+skip_limbo();
+while(!input_has_ended)scan_section();
+check_complete();
+phase= 2;
+}
+
+/*:91*//*93:*/
+#line 1478 "ctangle.w"
+
+void
+skip_limbo()
+{
+char c;
+while(1){
+if(loc> limit&&get_line()==0)return;
+*(limit+1)= '@';
+while(*loc!='@')loc++;
+if(loc++<=limit){
+c= *loc++;
+if(ccode[(eight_bits)c]==new_section)break;
+switch(ccode[(eight_bits)c]){
+case translit_code:/*94:*/
+#line 1507 "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 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,loc-beg);
+translit[i-0200][loc-beg]= '\0';
+}
+}
+
+/*:94*/
+#line 1491 "ctangle.w"
+;break;
+case format_code:case'@':break;
+case control_text:if(c=='q'||c=='Q'){
+while((c= skip_ahead())=='@');
+if(*(loc-1)!='>')
+err_print("! Double @ should be used in control text");
+
+break;
+}
+default:err_print("! Double @ should be used in limbo");
+
+}
+}
+}
+}
+
+/*:93*//*95:*/
+#line 1533 "ctangle.w"
+
+void
+print_stats(){
+printf("\nMemory usage statistics:\n");
+printf("%ld names (out of %ld)\n",
+(long)(name_ptr-name_dir),(long)max_names);
+printf("%ld replacement texts (out of %ld)\n",
+(long)(text_ptr-text_info),(long)max_texts);
+printf("%ld bytes (out of %ld)\n",
+(long)(byte_ptr-byte_mem),(long)max_bytes);
+printf("%ld tokens (out of %ld)\n",
+(long)(tok_ptr-tok_mem),(long)max_toks);
+}
+
+/*:95*/