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  1. %{
  2. int lnno=0,wordno=0,charno=0;
  3. %}
  4. word [.* .*\t]
  5. eol [\n]
  6. %%
  7. {word} {wordno++; charno+=yyleng;}
  8. {eol} {charno++;lnno++;wordno++;}
  9. . {charno++;}
  10. %%
  11. main()
  12. {
  13. printf("Enter the String:");
  14. yylex();
  15. printf("Line number= %d\n",lnno);
  16. printf("Word number= %d\n",wordno);
  17. printf("Character number= %d\n",charno);
  18. return 0;
  19. }
Success #stdin #stdout #stderr 0.03s 6944KB
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stdin
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Hello World
stdout
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Standard output is empty
stderr
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ERROR: /home/K1m1jQ/prog:2:4: Syntax error: Operator expected
ERROR: /home/K1m1jQ/prog:19:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/siruxT
language:
Prolog (swi 7.6.4)
created:
14 days ago
visibility:
public

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