Replace BIND_VMETHOD by new GDVIRTUAL syntax

* New syntax is type safe.
* New syntax allows for type safe virtuals in native extensions.
* New syntax permits extremely fast calling.

Note: Everything was replaced where possible except for `_gui_input` `_input` and `_unhandled_input`.
These will require API rework on a separate PR as they work different than the rest of the functions.

Added a new method flag METHOD_FLAG_OBJECT_CORE, used internally. Allows to not dump the core virtuals like `_notification` to the json API, since each language will implement those as it is best fits.

6 files changed, 149 insertions, 106 deletions

diff --git a/modules/gdscript/editor/gdscript_highlighter.cpp b/modules/gdscript/editor/gdscript_highlighter.cpp
index 0b1cb5d502..8b9bd2659d 100644
--- a/modules/gdscript/editor/gdscript_highlighter.cpp
+++ b/modules/gdscript/editor/gdscript_highlighter.cpp
@@ -45,7 +45,7 @@ static bool _is_bin_symbol(char32_t c) {
 	return (c == '0' || c == '1');
 }
 
-Dictionary GDScriptSyntaxHighlighter::_get_line_syntax_highlighting(int p_line) {
+Dictionary GDScriptSyntaxHighlighter::_get_line_syntax_highlighting_impl(int p_line) {
 	Dictionary color_map;
 
 	Type next_type = NONE;
diff --git a/modules/gdscript/editor/gdscript_highlighter.h b/modules/gdscript/editor/gdscript_highlighter.h
index d07c182aa6..fabd64dab8 100644
--- a/modules/gdscript/editor/gdscript_highlighter.h
+++ b/modules/gdscript/editor/gdscript_highlighter.h
@@ -80,7 +80,7 @@ private:
 
 public:
 	virtual void _update_cache() override;
-	virtual Dictionary _get_line_syntax_highlighting(int p_line) override;
+	virtual Dictionary _get_line_syntax_highlighting_impl(int p_line) override;
 
 	virtual String _get_name() const override;
 	virtual Array _get_supported_languages() const override;
diff --git a/modules/visual_script/doc_classes/VisualScriptCustomNode.xml b/modules/visual_script/doc_classes/VisualScriptCustomNode.xml
index 8aa34f8cae..b574576856 100644
--- a/modules/visual_script/doc_classes/VisualScriptCustomNode.xml
+++ b/modules/visual_script/doc_classes/VisualScriptCustomNode.xml
@@ -9,118 +9,118 @@
 	<tutorials>
 	</tutorials>
 	<methods>
-		<method name="_get_caption" qualifiers="virtual">
+		<method name="_get_caption" qualifiers="virtual const">
 			<return type="String" />
 			<description>
 				Return the node's title.
 			</description>
 		</method>
-		<method name="_get_category" qualifiers="virtual">
+		<method name="_get_category" qualifiers="virtual const">
 			<return type="String" />
 			<description>
 				Return the node's category.
 			</description>
 		</method>
-		<method name="_get_input_value_port_count" qualifiers="virtual">
+		<method name="_get_input_value_port_count" qualifiers="virtual const">
 			<return type="int" />
 			<description>
 				Return the count of input value ports.
 			</description>
 		</method>
-		<method name="_get_input_value_port_hint" qualifiers="virtual">
+		<method name="_get_input_value_port_hint" qualifiers="virtual const">
 			<return type="int" />
-			<argument index="0" name="idx" type="int" />
+			<argument index="0" name="input_idx" type="int" />
 			<description>
 				Return the specified input port's hint. See the [enum @GlobalScope.PropertyHint] hints.
 			</description>
 		</method>
-		<method name="_get_input_value_port_hint_string" qualifiers="virtual">
+		<method name="_get_input_value_port_hint_string" qualifiers="virtual const">
 			<return type="String" />
-			<argument index="0" name="idx" type="int" />
+			<argument index="0" name="input_idx" type="int" />
 			<description>
 				Return the specified input port's hint string.
 			</description>
 		</method>
-		<method name="_get_input_value_port_name" qualifiers="virtual">
+		<method name="_get_input_value_port_name" qualifiers="virtual const">
 			<return type="String" />
-			<argument index="0" name="idx" type="int" />
+			<argument index="0" name="input_idx" type="int" />
 			<description>
 				Return the specified input port's name.
 			</description>
 		</method>
-		<method name="_get_input_value_port_type" qualifiers="virtual">
+		<method name="_get_input_value_port_type" qualifiers="virtual const">
 			<return type="int" />
-			<argument index="0" name="idx" type="int" />
+			<argument index="0" name="input_idx" type="int" />
 			<description>
 				Return the specified input port's type. See the [enum Variant.Type] values.
 			</description>
 		</method>
-		<method name="_get_output_sequence_port_count" qualifiers="virtual">
+		<method name="_get_output_sequence_port_count" qualifiers="virtual const">
 			<return type="int" />
 			<description>
 				Return the amount of output [b]sequence[/b] ports.
 			</description>
 		</method>
-		<method name="_get_output_sequence_port_text" qualifiers="virtual">
+		<method name="_get_output_sequence_port_text" qualifiers="virtual const">
 			<return type="String" />
-			<argument index="0" name="idx" type="int" />
+			<argument index="0" name="seq_idx" type="int" />
 			<description>
 				Return the specified [b]sequence[/b] output's name.
 			</description>
 		</method>
-		<method name="_get_output_value_port_count" qualifiers="virtual">
+		<method name="_get_output_value_port_count" qualifiers="virtual const">
 			<return type="int" />
 			<description>
 				Return the amount of output value ports.
 			</description>
 		</method>
-		<method name="_get_output_value_port_hint" qualifiers="virtual">
+		<method name="_get_output_value_port_hint" qualifiers="virtual const">
 			<return type="int" />
-			<argument index="0" name="idx" type="int" />
+			<argument index="0" name="output_idx" type="int" />
 			<description>
 				Return the specified output port's hint. See the [enum @GlobalScope.PropertyHint] hints.
 			</description>
 		</method>
-		<method name="_get_output_value_port_hint_string" qualifiers="virtual">
+		<method name="_get_output_value_port_hint_string" qualifiers="virtual const">
 			<return type="String" />
-			<argument index="0" name="idx" type="int" />
+			<argument index="0" name="output_idx" type="int" />
 			<description>
 				Return the specified output port's hint string.
 			</description>
 		</method>
-		<method name="_get_output_value_port_name" qualifiers="virtual">
+		<method name="_get_output_value_port_name" qualifiers="virtual const">
 			<return type="String" />
-			<argument index="0" name="idx" type="int" />
+			<argument index="0" name="output_idx" type="int" />
 			<description>
 				Return the specified output port's name.
 			</description>
 		</method>
-		<method name="_get_output_value_port_type" qualifiers="virtual">
+		<method name="_get_output_value_port_type" qualifiers="virtual const">
 			<return type="int" />
-			<argument index="0" name="idx" type="int" />
+			<argument index="0" name="output_idx" type="int" />
 			<description>
 				Return the specified output port's type. See the [enum Variant.Type] values.
 			</description>
 		</method>
-		<method name="_get_text" qualifiers="virtual">
+		<method name="_get_text" qualifiers="virtual const">
 			<return type="String" />
 			<description>
 				Return the custom node's text, which is shown right next to the input [b]sequence[/b] port (if there is none, on the place that is usually taken by it).
 			</description>
 		</method>
-		<method name="_get_working_memory_size" qualifiers="virtual">
+		<method name="_get_working_memory_size" qualifiers="virtual const">
 			<return type="int" />
 			<description>
 				Return the size of the custom node's working memory. See [method _step] for more details.
 			</description>
 		</method>
-		<method name="_has_input_sequence_port" qualifiers="virtual">
+		<method name="_has_input_sequence_port" qualifiers="virtual const">
 			<return type="bool" />
 			<description>
 				Return whether the custom node has an input [b]sequence[/b] port.
 			</description>
 		</method>
-		<method name="_step" qualifiers="virtual">
+		<method name="_step" qualifiers="virtual const">
 			<return type="Variant" />
 			<argument index="0" name="inputs" type="Array" />
 			<argument index="1" name="outputs" type="Array" />
diff --git a/modules/visual_script/doc_classes/VisualScriptSubCall.xml b/modules/visual_script/doc_classes/VisualScriptSubCall.xml
index 374e7d0f35..f54887b09c 100644
--- a/modules/visual_script/doc_classes/VisualScriptSubCall.xml
+++ b/modules/visual_script/doc_classes/VisualScriptSubCall.xml
@@ -9,13 +9,6 @@
 	<tutorials>
 	</tutorials>
 	<methods>
-		<method name="_subcall" qualifiers="virtual">
-			<return type="Variant" />
-			<argument index="0" name="arguments" type="Variant" />
-			<description>
-				Called by this node.
-			</description>
-		</method>
 	</methods>
 	<constants>
 	</constants>
diff --git a/modules/visual_script/visual_script_nodes.cpp b/modules/visual_script/visual_script_nodes.cpp
index c517d89aa5..c9e426fa6c 100644
--- a/modules/visual_script/visual_script_nodes.cpp
+++ b/modules/visual_script/visual_script_nodes.cpp
@@ -2825,36 +2825,41 @@ VisualScriptSelf::VisualScriptSelf() {
 //////////////////////////////////////////
 
 int VisualScriptCustomNode::get_output_sequence_port_count() const {
-	if (get_script_instance() && get_script_instance()->has_method("_get_output_sequence_port_count")) {
-		return get_script_instance()->call("_get_output_sequence_port_count");
+	int ret;
+	if (GDVIRTUAL_CALL(_get_output_sequence_port_count, ret)) {
+		return ret;
 	}
 	return 0;
 }
 
 bool VisualScriptCustomNode::has_input_sequence_port() const {
-	if (get_script_instance() && get_script_instance()->has_method("_has_input_sequence_port")) {
-		return get_script_instance()->call("_has_input_sequence_port");
+	bool ret;
+	if (GDVIRTUAL_CALL(_has_input_sequence_port, ret)) {
+		return ret;
 	}
 	return false;
 }
 
 int VisualScriptCustomNode::get_input_value_port_count() const {
-	if (get_script_instance() && get_script_instance()->has_method("_get_input_value_port_count")) {
-		return get_script_instance()->call("_get_input_value_port_count");
+	int ret;
+	if (GDVIRTUAL_CALL(_get_input_value_port_count, ret)) {
+		return ret;
 	}
 	return 0;
 }
 
 int VisualScriptCustomNode::get_output_value_port_count() const {
-	if (get_script_instance() && get_script_instance()->has_method("_get_output_value_port_count")) {
-		return get_script_instance()->call("_get_output_value_port_count");
+	int ret;
+	if (GDVIRTUAL_CALL(_get_output_value_port_count, ret)) {
+		return ret;
 	}
 	return 0;
 }
 
 String VisualScriptCustomNode::get_output_sequence_port_text(int p_port) const {
-	if (get_script_instance() && get_script_instance()->has_method("_get_output_sequence_port_text")) {
-		return get_script_instance()->call("_get_output_sequence_port_text", p_port);
+	String ret;
+	if (GDVIRTUAL_CALL(_get_output_sequence_port_text, p_port, ret)) {
+		return ret;
 	}
 
 	return String();
@@ -2862,34 +2867,61 @@ String VisualScriptCustomNode::get_output_sequence_port_text(int p_port) const {
 
 PropertyInfo VisualScriptCustomNode::get_input_value_port_info(int p_idx) const {
 	PropertyInfo info;
-	if (get_script_instance() && get_script_instance()->has_method("_get_input_value_port_type")) {
-		info.type = Variant::Type(int(get_script_instance()->call("_get_input_value_port_type", p_idx)));
+	{
+		int type;
+		if (GDVIRTUAL_CALL(_get_input_value_port_type, p_idx, type)) {
+			info.type = Variant::Type(type);
+		}
 	}
-	if (get_script_instance() && get_script_instance()->has_method("_get_input_value_port_name")) {
-		info.name = get_script_instance()->call("_get_input_value_port_name", p_idx);
+	{
+		String name;
+		if (GDVIRTUAL_CALL(_get_input_value_port_name, p_idx, name)) {
+			info.name = name;
+		}
 	}
-	if (get_script_instance() && get_script_instance()->has_method("_get_input_value_port_hint")) {
-		info.hint = PropertyHint(int(get_script_instance()->call("_get_input_value_port_hint", p_idx)));
+	{
+		int hint;
+		if (GDVIRTUAL_CALL(_get_input_value_port_hint, p_idx, hint)) {
+			info.hint = PropertyHint(hint);
+		}
 	}
-	if (get_script_instance() && get_script_instance()->has_method("_get_input_value_port_hint_string")) {
-		info.hint_string = get_script_instance()->call("_get_input_value_port_hint_string", p_idx);
+
+	{
+		String hint_string;
+		if (GDVIRTUAL_CALL(_get_input_value_port_hint_string, p_idx, hint_string)) {
+			info.hint_string = hint_string;
+		}
 	}
+
 	return info;
 }
 
 PropertyInfo VisualScriptCustomNode::get_output_value_port_info(int p_idx) const {
 	PropertyInfo info;
-	if (get_script_instance() && get_script_instance()->has_method("_get_output_value_port_type")) {
-		info.type = Variant::Type(int(get_script_instance()->call("_get_output_value_port_type", p_idx)));
+	{
+		int type;
+		if (GDVIRTUAL_CALL(_get_output_value_port_type, p_idx, type)) {
+			info.type = Variant::Type(type);
+		}
 	}
-	if (get_script_instance() && get_script_instance()->has_method("_get_output_value_port_name")) {
-		info.name = get_script_instance()->call("_get_output_value_port_name", p_idx);
+	{
+		String name;
+		if (GDVIRTUAL_CALL(_get_output_value_port_name, p_idx, name)) {
+			info.name = name;
+		}
 	}
-	if (get_script_instance() && get_script_instance()->has_method("_get_output_value_port_hint")) {
-		info.hint = PropertyHint(int(get_script_instance()->call("_get_output_value_port_hint", p_idx)));
+	{
+		int hint;
+		if (GDVIRTUAL_CALL(_get_output_value_port_hint, p_idx, hint)) {
+			info.hint = PropertyHint(hint);
+		}
 	}
-	if (get_script_instance() && get_script_instance()->has_method("_get_output_value_port_hint_string")) {
-		info.hint_string = get_script_instance()->call("_get_output_value_port_hint_string", p_idx);
+
+	{
+		String hint_string;
+		if (GDVIRTUAL_CALL(_get_output_value_port_hint_string, p_idx, hint_string)) {
+			info.hint_string = hint_string;
+		}
 	}
 	return info;
 }
@@ -2911,22 +2943,25 @@ VisualScriptCustomNode::TypeGuess VisualScriptCustomNode::guess_output_type(Type
 }
 
 String VisualScriptCustomNode::get_caption() const {
-	if (get_script_instance() && get_script_instance()->has_method("_get_caption")) {
-		return get_script_instance()->call("_get_caption");
+	String ret;
+	if (GDVIRTUAL_CALL(_get_caption, ret)) {
+		return ret;
 	}
 	return "CustomNode";
 }
 
 String VisualScriptCustomNode::get_text() const {
-	if (get_script_instance() && get_script_instance()->has_method("_get_text")) {
-		return get_script_instance()->call("_get_text");
+	String ret;
+	if (GDVIRTUAL_CALL(_get_text, ret)) {
+		return ret;
 	}
 	return "";
 }
 
 String VisualScriptCustomNode::get_category() const {
-	if (get_script_instance() && get_script_instance()->has_method("_get_category")) {
-		return get_script_instance()->call("_get_category");
+	String ret;
+	if (GDVIRTUAL_CALL(_get_category, ret)) {
+		return ret;
 	}
 	return "Custom";
 }
@@ -2941,14 +2976,7 @@ public:
 
 	virtual int get_working_memory_size() const { return work_mem_size; }
 	virtual int step(const Variant **p_inputs, Variant **p_outputs, StartMode p_start_mode, Variant *p_working_mem, Callable::CallError &r_error, String &r_error_str) {
-		if (node->get_script_instance()) {
-#ifdef DEBUG_ENABLED
-			if (!node->get_script_instance()->has_method(VisualScriptLanguage::singleton->_step)) {
-				r_error_str = RTR("Custom node has no _step() method, can't process graph.");
-				r_error.error = Callable::CallError::CALL_ERROR_INVALID_METHOD;
-				return 0;
-			}
-#endif
+		if (GDVIRTUAL_IS_OVERRIDEN_PTR(node, _step)) {
 			Array in_values;
 			Array out_values;
 			Array work_mem;
@@ -2969,7 +2997,8 @@ public:
 
 			int ret_out;
 
-			Variant ret = node->get_script_instance()->call(VisualScriptLanguage::singleton->_step, in_values, out_values, p_start_mode, work_mem);
+			Variant ret;
+			GDVIRTUAL_CALL_PTR(node, _step, in_values, out_values, p_start_mode, work_mem, ret);
 			if (ret.get_type() == Variant::STRING) {
 				r_error_str = ret;
 				r_error.error = Callable::CallError::CALL_ERROR_INVALID_METHOD;
@@ -2995,6 +3024,9 @@ public:
 			}
 
 			return ret_out;
+		} else {
+			r_error_str = RTR("Custom node has no _step() method, can't process graph.");
+			r_error.error = Callable::CallError::CALL_ERROR_INVALID_METHOD;
 		}
 
 		return 0;
@@ -3008,11 +3040,8 @@ VisualScriptNodeInstance *VisualScriptCustomNode::instantiate(VisualScriptInstan
 	instance->in_count = get_input_value_port_count();
 	instance->out_count = get_output_value_port_count();
 
-	if (get_script_instance() && get_script_instance()->has_method("_get_working_memory_size")) {
-		instance->work_mem_size = get_script_instance()->call("_get_working_memory_size");
-	} else {
-		instance->work_mem_size = 0;
-	}
+	instance->work_mem_size = 0;
+	GDVIRTUAL_CALL(_get_working_memory_size, instance->work_mem_size);
 
 	return instance;
 }
@@ -3022,32 +3051,29 @@ void VisualScriptCustomNode::_script_changed() {
 }
 
 void VisualScriptCustomNode::_bind_methods() {
-	BIND_VMETHOD(MethodInfo(Variant::INT, "_get_output_sequence_port_count"));
-	BIND_VMETHOD(MethodInfo(Variant::BOOL, "_has_input_sequence_port"));
-
-	BIND_VMETHOD(MethodInfo(Variant::STRING, "_get_output_sequence_port_text", PropertyInfo(Variant::INT, "idx")));
-	BIND_VMETHOD(MethodInfo(Variant::INT, "_get_input_value_port_count"));
-	BIND_VMETHOD(MethodInfo(Variant::INT, "_get_output_value_port_count"));
+	GDVIRTUAL_BIND(_get_output_sequence_port_count);
+	GDVIRTUAL_BIND(_has_input_sequence_port);
+	GDVIRTUAL_BIND(_get_output_sequence_port_text, "seq_idx");
 
-	BIND_VMETHOD(MethodInfo(Variant::INT, "_get_input_value_port_type", PropertyInfo(Variant::INT, "idx")));
-	BIND_VMETHOD(MethodInfo(Variant::STRING, "_get_input_value_port_name", PropertyInfo(Variant::INT, "idx")));
-	BIND_VMETHOD(MethodInfo(Variant::INT, "_get_input_value_port_hint", PropertyInfo(Variant::INT, "idx")));
-	BIND_VMETHOD(MethodInfo(Variant::STRING, "_get_input_value_port_hint_string", PropertyInfo(Variant::INT, "idx")));
+	GDVIRTUAL_BIND(_get_input_value_port_count);
+	GDVIRTUAL_BIND(_get_input_value_port_type, "input_idx");
+	GDVIRTUAL_BIND(_get_input_value_port_name, "input_idx");
+	GDVIRTUAL_BIND(_get_input_value_port_hint, "input_idx");
+	GDVIRTUAL_BIND(_get_input_value_port_hint_string, "input_idx");
 
-	BIND_VMETHOD(MethodInfo(Variant::INT, "_get_output_value_port_type", PropertyInfo(Variant::INT, "idx")));
-	BIND_VMETHOD(MethodInfo(Variant::STRING, "_get_output_value_port_name", PropertyInfo(Variant::INT, "idx")));
-	BIND_VMETHOD(MethodInfo(Variant::INT, "_get_output_value_port_hint", PropertyInfo(Variant::INT, "idx")));
-	BIND_VMETHOD(MethodInfo(Variant::STRING, "_get_output_value_port_hint_string", PropertyInfo(Variant::INT, "idx")));
+	GDVIRTUAL_BIND(_get_output_value_port_count);
+	GDVIRTUAL_BIND(_get_output_value_port_type, "output_idx");
+	GDVIRTUAL_BIND(_get_output_value_port_name, "output_idx");
+	GDVIRTUAL_BIND(_get_output_value_port_hint, "output_idx");
+	GDVIRTUAL_BIND(_get_output_value_port_hint_string, "output_idx");
 
-	BIND_VMETHOD(MethodInfo(Variant::STRING, "_get_caption"));
-	BIND_VMETHOD(MethodInfo(Variant::STRING, "_get_text"));
-	BIND_VMETHOD(MethodInfo(Variant::STRING, "_get_category"));
+	GDVIRTUAL_BIND(_get_caption);
+	GDVIRTUAL_BIND(_get_text);
+	GDVIRTUAL_BIND(_get_category);
 
-	BIND_VMETHOD(MethodInfo(Variant::INT, "_get_working_memory_size"));
+	GDVIRTUAL_BIND(_get_working_memory_size);
 
-	MethodInfo stepmi(Variant::NIL, "_step", PropertyInfo(Variant::ARRAY, "inputs"), PropertyInfo(Variant::ARRAY, "outputs"), PropertyInfo(Variant::INT, "start_mode"), PropertyInfo(Variant::ARRAY, "working_mem"));
-	stepmi.return_val.usage |= PROPERTY_USAGE_NIL_IS_VARIANT;
-	BIND_VMETHOD(stepmi);
+	GDVIRTUAL_BIND(_step, "inputs", "outputs", "start_mode", "working_mem");
 
 	BIND_ENUM_CONSTANT(START_MODE_BEGIN_SEQUENCE);
 	BIND_ENUM_CONSTANT(START_MODE_CONTINUE_SEQUENCE);
@@ -3170,9 +3196,7 @@ VisualScriptNodeInstance *VisualScriptSubCall::instantiate(VisualScriptInstance
 }
 
 void VisualScriptSubCall::_bind_methods() {
-	MethodInfo scmi(Variant::NIL, "_subcall", PropertyInfo(Variant::NIL, "arguments"));
-	scmi.return_val.usage |= PROPERTY_USAGE_NIL_IS_VARIANT;
-	BIND_VMETHOD(scmi);
+	// Since this is script only, registering virtual function is no longer valid. Will have to go in docs.
 }
 
 VisualScriptSubCall::VisualScriptSubCall() {
diff --git a/modules/visual_script/visual_script_nodes.h b/modules/visual_script/visual_script_nodes.h
index 2390e5c7bc..35d9b0b4fe 100644
--- a/modules/visual_script/visual_script_nodes.h
+++ b/modules/visual_script/visual_script_nodes.h
@@ -31,6 +31,8 @@
 #ifndef VISUAL_SCRIPT_NODES_H
 #define VISUAL_SCRIPT_NODES_H
 
+#include "core/object/gdvirtual.gen.inc"
+#include "core/object/script_language.h"
 #include "visual_script.h"
 
 class VisualScriptFunction : public VisualScriptNode {
@@ -757,6 +759,30 @@ class VisualScriptCustomNode : public VisualScriptNode {
 
 protected:
 	static void _bind_methods();
+	friend class VisualScriptNodeInstanceCustomNode;
+	GDVIRTUAL0RC(int, _get_output_sequence_port_count)
+	GDVIRTUAL0RC(bool, _has_input_sequence_port)
+	GDVIRTUAL1RC(String, _get_output_sequence_port_text, int)
+
+	GDVIRTUAL0RC(int, _get_input_value_port_count)
+	GDVIRTUAL1RC(int, _get_input_value_port_type, int)
+	GDVIRTUAL1RC(String, _get_input_value_port_name, int)
+	GDVIRTUAL1RC(int, _get_input_value_port_hint, int)
+	GDVIRTUAL1RC(String, _get_input_value_port_hint_string, int)
+
+	GDVIRTUAL0RC(int, _get_output_value_port_count)
+	GDVIRTUAL1RC(int, _get_output_value_port_type, int)
+	GDVIRTUAL1RC(String, _get_output_value_port_name, int)
+	GDVIRTUAL1RC(int, _get_output_value_port_hint, int)
+	GDVIRTUAL1RC(String, _get_output_value_port_hint_string, int)
+
+	GDVIRTUAL0RC(String, _get_caption)
+	GDVIRTUAL0RC(String, _get_text)
+	GDVIRTUAL0RC(String, _get_category)
+
+	GDVIRTUAL0RC(int, _get_working_memory_size)
+
+	GDVIRTUAL4RC(Variant, _step, Array, Array, int, Array)
 
 public:
 	enum StartMode { //replicated for step