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  1. %{
  2. #include<stdio.h>
  3. int word_count = 0;
  4. int line_count = 0;
  5. %}
  6.  
  7. %option noyywrap
  8. %%
  9.  
  10. [ \t]+      ;
  11. [^ \t\n]+   { word_count++; }
  12. \n          { line_count++; } 
  13.  
  14. %%
  15.  
  16. int main(){
  17.   printf("Enter a string :\n");
  18.   yylex();
  19.   printf("Total words: %d\n", word_count);
  20.   printf("Total lines: %d\n", line_count);
  21.   return 0;
  22. }
  23.  
Success #stdin #stdout #stderr 0.03s 6916KB
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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/3FXAXN/prog:22:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/beh0F3
language:
Prolog (swi 7.6.4)
created:
23 hours ago
visibility:
public

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