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  1. %option noyywrap
  2. %{
  3.     #include<stdio.h>
  4. %}
  5. %%
  6. .     ECHO;
  7. %%
  8. int main(){
  9.     yylex();
  10.     return 0;
  11.  
  12. }
Success #stdin #stdout #stderr 0.02s 6960KB
comments (?)
stdin 
run
run
ddfdf
stdout 
Standard output is empty
stderr 
ERROR: /home/7LNqWm/prog:3:5: Syntax error: Operator expected
ERROR: /home/7LNqWm/prog:12:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ?    Call: (3) program ? ERROR: Can't retry at this port
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ?    Exception: (3) ... ? EOF: exit
https://ideone.com/J3FVxW
language:
Prolog (swi 7.6.4)
created:
3 days ago
visibility:
public

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