fork download
copy 
  1. %{
  2. #include <stdio.h>
  3. %}
  4.  
  5. %%
  6. "if" *"(".*")" *"{"     { printf("Valid 'if' syntax\n"); }
  7. "else if" *"(".*")" *"{" { printf("Valid 'else if' syntax\n"); }
  8. "else" *"{"              { printf("Valid 'else' syntax\n"); }
  9.  
  10. "switch" *"(".*")" *"{"  { printf("Valid 'switch' syntax\n"); }
  11. "case" .*":"             { printf("Valid 'case' syntax\n"); }
  12. "default" *":"           { printf("Valid 'default' syntax\n"); }
  13. .                        { /* Ignore other characters */ }
  14. %%
  15.  
  16. int main() {
  17.     yylex();
  18.     return 0;
  19. }
  20.  
  21. int yywrap() {
  22.     return 1;
  23. }
Success #stdin #stdout #stderr 0.04s 6944KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Standard output is empty
stderr
copy 
ERROR: /home/aSdH3g/prog:2:1: Syntax error: Operator expected
ERROR: /home/aSdH3g/prog:23:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/ZKOn9H
language:
Prolog (swi 7.6.4)
created:
2 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!