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  1. %{
  2. #include <stdio.h>
  3. %}
  4.  
  5. %%
  6. abc     { printf("ABC"); }    /* Replace 'abc' with 'ABC' */
  7. . { printf("%s", yytext); }   /* print the unmatched character */
  8. %%
  9.  
  10. int main() {
  11.     printf("Enter the string: ");
  12.     yylex();
  13.     printf("\n");
  14.     return 0;
  15. }
  16.  
  17. int yywrap() { return 1; }
  18.  
Success #stdin #stdout #stderr 0.02s 6996KB
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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/f8cmNM/prog:2:1: Syntax error: Operator expected
ERROR: /home/f8cmNM/prog:17:26: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/tYmk1w
language:
Prolog (swi 7.6.4)
created:
2 days ago
visibility:
public

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