clean up code

util_new.c

@@ -83,9 +83,7 @@ cons_cell* create_op(char *op) {
 	return create_cons_cell_w_atom(operator, op_cons);
 }
 
-// todo: why need ra
 cons_cell* create_comp_operator(cons_cell* op, cons_cell* term1, cons_cell* term2) {
-
 	cons_cell* term2_cons = create_cons_cell(term2, NULL);
 	cons_cell* term1_cons = create_cons_cell(term1, term2_cons);
 	cons_cell* op_cons = create_cons_cell(op, term1_cons);
@@ -120,12 +118,6 @@ cons_cell* create_union_operator(cons_cell* ra1, cons_cell* ra2) {
 }
 
 cons_cell* create_and_operator(cons_cell* ra1, cons_cell* ra2) {
-// cons_cell* create_and_operator(cons_cell* ra1) {
-	// cons_cell* ra_cons = create_cons_cell(ra1, NULL);
-	// char operator[4] = "AND\0";
-	// cons_cell* operator_cons = create_cons_cell_w_atom(operator, ra_cons);
-	// return operator_cons;
-
 	printf("create_and_operator called \n");
 	cons_cell* ra2_cons = create_cons_cell(ra2, NULL);
 	cons_cell* ra1_cons = create_cons_cell(ra1, ra2_cons);
@@ -158,7 +150,6 @@ cons_cell* create_cross_operator(cons_cell* ra1, cons_cell* ra2) {
 	return operator_cons;
 }
 
-// For when you want to assign column names to another name
 cons_cell* create_rename_operator(cons_cell* table, cons_cell* var) {
 	cons_cell* original_cons = create_cons_cell(table, var);
 	char operator[7] = "RENAME\0";
@@ -223,30 +214,21 @@ void print_cons_tree(cons_cell *root) {
 }
 
 void print_cons_tree_helper(cons_cell *root, int indent) {
-	// ("eight\n");
 	if (root == NULL) {
-		// printf("six\n");
 		return;
 	}
 
-	// printf("nine\n");
 	bool tmp_atom = root->is_atom;
-	// printf("ten\n");
 	if (root->is_atom) {
-		// printf("four\n");
 		for (int i = 0; i < indent; i++) {
 			printf("  ");
 		}
 		printf("%s", ((atom*)root->car)->val);
 		printf("\n");
-		// printf("one\n");
 		print_cons_tree_helper(root->cdr, indent+1);
 	} else {
-		// printf("five\n");
 		cons_cell* tmp = (cons_cell*)root->car;
-		// printf("seven\n");
 		print_cons_tree_helper((cons_cell*)root->car, indent);
-		// printf("three\n");
 		print_cons_tree_helper(root->cdr, indent);
 	}
 }