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  1. %{
  2. #include<stdio.h>
  3. #include <string.h>
  4. #include "lex.yy.c"  // Include generated lexer file
  5. int vc=0,cc=0;
  6.  
  7. %}
  8.  
  9. %%
  10. [aeiou] {vc++;}
  11. [a-z] {cc++;}
  12. %%
  13.  
  14. int main()
  15. {
  16. 	char input[] = "hello world";
  17.  
  18.     // Provide the input string to the lexer
  19.     yy_scan_string(input);
  20. 	yylex();
  21. 	printf("%d %d",vc,cc);
  22. }
  23. int yywrap()
  24. {
  25. 	return 1;
  26. }
  27.  
Success #stdin #stdout #stderr 0.02s 6872KB
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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/x7sOBG/prog:26:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/3w9OOb
language:
Prolog (swi 7.6.4)
created:
11 days ago
visibility:
public

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