%{
#include <stdio.h>
#include <stdlib.h>

/*
#include "gram.h"
#include "proto.h"
*/
int R=0;

%}

%token NOUN VERB DET PREP AP PUNCT UNDEF PIND INTEIRO

%%

SS : S PUNCT  { puts("S ");R=0; return ;}
  /*  | NP [puts("NP");] PUNCT {return ;} */
   | PREP PUNCT {R=33; return ;}
   | error ANY {yyerrok; puts("ANY? "); R=2; return ;}
   ;

ANY : NOUN | VERB | DET | PREP | AP | PUNCT | UNDEF | PIND ;

S : NP VP ;

S : S PP ;

S : PP S ;

NP : NP1
   | PIND ;

NP : DET inte NP1 ;

inte : 
     | INTEIRO ;

NP1 : NOUN {puts("a name...!!!");} ;
	
NP1 : AP NP1 ;
	
PP : PREP NP	 ;

VP : VERB NP ;
	
VP : VERB 	 ;
	
%%

FILE* yyin;
extern int yydebug;

#include "gramlex1.c"
int
main(argc, argv)
     int argc;
     char *argv[];
{
    int result;

    yydebug = 1;
    yyin = stdin;

 do { result = yyparse(); printf("res= %d.\n",R);} while (R != 33);
/*
    printf("Result = %d\n", result);
*/
    return 0;
}

static void
yyinit()
{}

static void
yyerror(message)
     char* message;
{
    fprintf(stderr, "%s\n", message);
    /*exit(1);*/
}