Modify main to use the new print ast functionality

src/main.c

@@ -32,13 +32,20 @@ void print_text(tokenlist_t *list) {
     }
 }
 
-void parse_ast(tokenlist_t *list) {
+void print_ast(tokenlist_t *list) {
     parse_result_t result = parse(list->head);
     if (result.err) {
         puts(result.err->message);
         error_free(result.err);
         return;
     }
+    ast_node_print(result.node);
+
+    if (result.next != nullptr) {
+        puts("First unparsed token:");
+        lexer_token_print(&result.next->token);
+    }
+
     ast_node_free(result.node);
 }
 
@@ -82,7 +89,7 @@ int main(int argc, char *argv[]) {
         print_text(list);
         break;
     case MODE_AST:
-        parse_ast(list);
+        print_ast(list);
         break;
     }