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  1. %{
  2. #include <stdio.h>
  3. int v=0, c=0;
  4. %}
  5. %%
  6. [aeiouAEIOU]   v++;
  7. [a-zA-Z]       c++;
  8. .              ;
  9. %%
  10. int yywrap() { return 1; }
  11. int main() {
  12.     yylex();
  13.     printf("V=%d C=%d\n", v, c);
  14. }
Success #stdin #stdout #stderr 0.03s 6900KB
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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/I7SGEv/prog:2:1: Syntax error: Operator expected
ERROR: /home/I7SGEv/prog:14:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/IaNhSb
language:
Prolog (swi 7.6.4)
created:
11 hours ago
visibility:
public

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