fork download 
  1. %option noyywrap 
  2. %{ 
  3.  	#include<stdio.h> 
  4. %} 
  5.  
  6. %% 
  7. [0-9] {printf("Number\t");} 
  8. [+|\-|*}%|/] {printf("op\t");} 
  9. %% 
  10. int main() 
  11. { 
  12. printf("Enter the input:"); 
  13. yylex(); 
  14.  
  15.  	return 0; 
  16. } 
  17.  
  18.  
Success #stdin #stdout #stderr 0.03s 6852KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
stderr 
ERROR: /home/85B6xJ/prog:17:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/IWa6WK
language:
Prolog (swi 7.6.4)
created:
2 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!