fork download
copy 
  1. %{
  2.   #include <stdio.h>
  3. %}
  4. %%
  5. if       { printf("\n%s is a keyword",yytext);}
  6. else     { printf("\n%s is a keyword",yytext);}
  7. "<->"    { printf("\n%s is a relational operator",yytext);}
  8. "!-*"    { printf("\n%s is a symbol",yytext);}
  9. "^"      { printf("\n%s is a symbol",yytext);}
  10. "(-)"    { printf("\n%s is a symbol",yytext);}
  11. [0-9]+   { printf("\n%s is a number",yytext);}
  12. [a-zA-Z]+{ printf("\n%s is a word",yytext);}
  13. \n       { ECHO; }
  14. %%
  15. int main()
  16. {
  17.   yylex();
  18.   return 0;
  19. }
  20. int yywrap()
  21. {
  22.   return 1;
  23. }
Success #stdin #stdout #stderr 0.02s 6988KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Standard output is empty
stderr
copy 
ERROR: /home/zAEdap/prog:23:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/Uh2ywk
language:
Prolog (swi 7.6.4)
created:
16 days 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!