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  1. /*Lex program to take check whether
  2. the given number is even or odd */
  3.  
  4. %{
  5. #include<stdio.h>
  6. int i;
  7. %}
  8.  
  9. %%
  10.  
  11. [0-9]+     {i=atoi(yytext);
  12.           if(i%2==0) 
  13.                printf("Even");
  14.           else
  15.          printf("Odd");}
  16. %%
  17.  
  18. int yywrap(){}
  19.  
  20. int main()
  21. {
  22.  
  23.     yylex();
  24.     return 0;
  25. }
Success #stdin #stdout #stderr 0.03s 6936KB
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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/jpWTca/prog:25:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/2sRJg2
language:
Prolog (swi 7.6.4)
created:
11 days ago
visibility:
public

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