updated testing for parser

grammar.y

@@ -7,6 +7,8 @@
   #include "symbol_table.c"
   extern int yylex(void);
   void yyerror(const char *err);
+  extern char* yytext;
+	extern int yychar;
 %}
 
 %token ID 101
@@ -59,15 +61,9 @@
 
 input: /*empty for now*/
 	OPTIONAL;
-	
-OPTIONAL_OPTIONAL: 
-	OPTIONAL
-	| OPTIONAL_OPTIONAL OPTIONAL		{printf("expansion\n");};
 
 OPTIONAL:
-	'['		{printf("success");}
+	'['		{printf("success");};
-	|%empty
-	;
 // B : '{'{CreateScope(cur,line,column)} E '}'; //Braced Expressions can have braces removed to get regular expressions
 // D : '[' l ']'; //Declaration Lists Brackets can be taken out to get a list of Declarations
 // E : Maybe_D U; //An expression can start with an optional D followed by an undeclared segment
@@ -82,5 +78,9 @@ void yyerror(const char *err) {
     fprintf(stderr, "Error: %s\n", err);
 } 
 int main() {
-    return yyparse();
+	int a;
+	while (a = yyparse()){
+		printf("%d = a: yytext = %s: yychar = %d\n", a, yytext, yychar);
+	}
+	return 0;
 }