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  1. %{
  2.  #include<stdio.h>
  3.  int nl = 0;
  4.  int nw = 0;
  5.  int nc = 0;
  6. %}
  7.  
  8. %%
  9. \n nl++;
  10. [a-zA-Z]+ {nw++,nc+=yyleng;}
  11. [^]nc++;
  12. %%
  13.  
  14. int main(){
  15.   printf("Enter the string:\n");
  16.   yylex();
  17.  
  18.   printf("No. of lines is %d,words is %d and characters is %d",nl,nw,nc);
  19.   return 0;
  20. }
Success #stdin #stdout #stderr 0.03s 7020KB
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stdin
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I am sagar
who are you
stdout
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Standard output is empty
stderr
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ERROR: /home/3YmdOw/prog:19:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/nDF5xN
language:
Prolog (swi 7.6.4)
created:
11 days ago
visibility:
public

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