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  1. %{
  2. #include <stdio.h>
  3. %}
  4.  
  5. %%
  6. "+"|"-"|"*"|"/"                       { printf("Arithmetic Operator: %s\n", yytext); }
  7. "="|"+="|"-="|"*="|"/="|"%="          { printf("Assignment Operator: %s\n", yytext); }
  8. "&"|"|"|"^"|"~"                       { printf("Bitwise Operator: %s\n", yytext); }
  9. "&&"|"||"|"!"                         { printf("Logical Operator: %s\n", yytext); }
  10. "=="|"!="|"<"|"<="|">"|">="           { printf("Relational Operator: %s\n", yytext); }
  11. "<<"|">>"                             { printf("Shift Operator: %s\n", yytext); }
  12. .|\n                                 { ; }
  13. %%
  14.  
  15. int main() {
  16. printf("Enter: ");
  17.     yylex();
  18.  
  19. }
  20. int yywrap(){
  21. 	return 1;
  22. 	}
  23. }
Success #stdin #stdout #stderr 0.02s 6996KB
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Standard output is empty
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ERROR: /home/sKybw2/prog:23:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/TGQnAj
language:
Prolog (swi 7.6.4)
created:
8 days ago
visibility:
public

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