%{
#define YYDEBUG 1
#include "wspace.h"
static int counter = 0;

%}
%union {
  tokenInfo ti;
}

%token COMMENT NEWLINE TAB SPACE

%{
  /* Here is an example comment. */
%}
%%

program: program statement
       | 
       ;

statement:  COMMENT
	     { 
	       printf("A COMMENT\n");
	     }
       | NEWLINE
             {
	       printf("NEWLINE: %c\n", top());
	     }
       | TAB
             {
	       printf("TAB: %d\n", top());
	     }
       | SPACE
             {
	       counter++;
	       push(counter);
	       printf("SPACE\n");
	     }
;

%%
#include "lex.yy.c"
int yyerror(char *s, int lineNumber) {
  fprintf(stderr, "Error: %s at line number %d\n", s, lineNumber);
  return 0;
}

int main( int argc, char **argv ) {
  yydebug = 0;
  /* increment everything so we skip the program name */
  ++argv; --argc;

  if (argc == 1)
  {
    yyin = fopen( argv[0], "r");
  } else {
    printf("Usage: ws filename\n");
    exit(0);
  }
  
  createStack();
  printf("***** Starting to parse\n");
  yyparse();
  printf("***** Ending the parse\n");
  deleteStack();
  return 0;
}