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  1. %{
  2. #include <stdio.h>
  3. #include <stdlib.h>
  4.  
  5. %}
  6.  
  7. %%
  8.  
  9. [a-z|A-Z|_][a-z|A-Z|0-9|_]*   { printf("Identifier: %s\n", yytext); }
  10.  
  11. %%
  12.  
  13. int main() {
  14.     yylex(); 
  15.     return 0;
  16. }
  17.  
Success #stdin #stdout #stderr 0.03s 6920KB
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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/Mo2P6w/prog:16:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/qI9G27
language:
Prolog (swi 7.6.4)
created:
11 days ago
visibility:
public

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