add function object

src/runtime/objects/object.h

@@ -1,8 +1,10 @@
 #ifndef OBJECT_H
 #define OBJECT_H
 #include "../internals/hashmap/hashmap.h"
+#include "../../dynamic_array/darray.h"
 #include <gmp.h>
 #include <stdbool.h>
+#include "../runtime.h"
 
 extern ArgonObject *BASE_CLASS;
 
@@ -10,6 +12,12 @@ struct string_struct {
   char *data;
   size_t length;
 };
+struct argon_function_struct {
+  DArray bytecode;
+  struct Stack stack;
+  size_t number_of_parameters;
+  char** parameters;
+};
 
 typedef enum {
   TYPE_NULL,
@@ -17,6 +25,7 @@ typedef enum {
   TYPE_NUMBER,
   TYPE_STRING,
   TYPE_FUNCTION,
+  TYPE_NATIVE_FUNCTION,
   TYPE_OBJECT, // generic user object
 } ArgonType;
 
@@ -31,6 +40,7 @@ struct ArgonObject {
     bool as_bool;
     struct string_struct as_str;
     void *native_fn;
+    struct argon_function_struct argon_fn;
     // others as needed
   } value;
 };