%{
#include <stdio.h>
#include "proto-color.h"
extern int yylex(); 
int yyerror (char const *message) { 
  fprintf(stderr,RED("<%s>")"\n", message);
  return 0;
}

void Prompt(){ printf("yash> "); } /* Yet Another Shell */

%}

%error-verbose
%token HELLO THANKS FUCK BYE
%token NEWLINE

%% 
Shell   :                     {}
        | Shell Line  NEWLINE {}
        | Shell error NEWLINE {yyerrok; printf(BLUE("Ligne invalide")"\n");}
;
Line    : Command
;
Command : 
        | Builtin
//      | Others
;
Builtin :  HELLO    {printf("Nice to meet you\n");}
	|  THANKS   {printf("You are welcome\n");}
	|  FUCK     {yyerror("Semantic Error : Censored !"); YYERROR;}
	|  BYE      {printf("See you\n"); return(0);}
;
%%

int main(void) { return yyparse(); }