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  1. %{
  2.   #include<stdio.h>
  3.   int lines=0, tabs=0, chars=0, spaces=0;
  4. %}
  5. %%
  6. \n {lines++;chars++;}
  7. \t {tabs++;chars++;}
  8. " " {spaces++;chars++;}
  9. . {chars++;}
  10. %%
  11.  
  12. int main(){
  13.   yylex();
  14.   printf("total lines: %d\n", lines);
  15.   printf("total tabs: %d\n", tabs);
  16.   printf("total spaces: %d\n", spaces);
  17.   printf("total chars: %d\n", chars);
  18.   return 0;
  19. }
  20.  
  21. int yywrap(){
  22.   return 1;
  23. }
  24.  
  25.  
Success #stdin #stdout #stderr 0.04s 7008KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
stderr
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ERROR: /home/sdDQ5L/prog:2:3: Syntax error: Operator expected
ERROR: /home/sdDQ5L/prog:24:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/ihz1sv
language:
Prolog (swi 7.6.4)
created:
12 days ago
visibility:
public

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