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  1. %{
  2. /* Declarations */
  3. int wordCount = 0;
  4. int lineCount = 0;
  5. %}
  6.  
  7. %%
  8. [a-zA-Z]+    { wordCount++; }    /* Count words */
  9. \n           { lineCount++; }    /* Count newlines */
  10. .            ;                   /* Ignore all other characters */
  11.  
  12. %%
  13. int main() {
  14.     yylex();
  15.     printf("Number of words: %d\n", wordCount);
  16.     printf("Number of lines: %d\n", lineCount);
  17.     return 0;
  18. }
  19.  
  20. int yywrap() {
  21.     return 1;
  22. }
Success #stdin #stdout #stderr 0.03s 6924KB
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Standard input is empty
stdout
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Standard output is empty
stderr
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ERROR: /home/ntLzF0/prog:3:4: Syntax error: Operator expected
ERROR: /home/ntLzF0/prog:22:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/ino1ue
language:
Prolog (swi 7.6.4)
created:
11 days ago
visibility:
public

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