/**************************************************************************/
/*  gdscript_utility_callable.h                                           */
/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
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#ifndef GDSCRIPT_UTILITY_CALLABLE_H
#define GDSCRIPT_UTILITY_CALLABLE_H

#include "gdscript_utility_functions.h"

#include "core/variant/callable.h"

class GDScriptUtilityCallable : public CallableCustom {
	StringName function_name;
	enum Type {
		TYPE_INVALID,
		TYPE_GLOBAL,
		TYPE_GDSCRIPT,
	};
	Type type = TYPE_INVALID;
	GDScriptUtilityFunctions::FunctionPtr gdscript_function = nullptr;
	uint32_t h = 0;

	static bool compare_equal(const CallableCustom *p_a, const CallableCustom *p_b);
	static bool compare_less(const CallableCustom *p_a, const CallableCustom *p_b);

public:
	uint32_t hash() const override;
	String get_as_text() const override;
	CompareEqualFunc get_compare_equal_func() const override;
	CompareLessFunc get_compare_less_func() const override;
	bool is_valid() const override;
	StringName get_method() const override;
	ObjectID get_object() const override;
	int get_argument_count(bool &r_is_valid) const override;
	void call(const Variant **p_arguments, int p_argcount, Variant &r_return_value, Callable::CallError &r_call_error) const override;

	GDScriptUtilityCallable(const StringName &p_function_name);
};

#endif // GDSCRIPT_UTILITY_CALLABLE_H