Method _parse_function

modules/gdscript/gdscript_compiler.cpp:2299–2551

}

GDScriptFunction *GDScriptCompiler::_parse_function(Error &r_error, GDScript *p_script, const GDScriptParser::ClassNode *p_class, const GDScriptParser::FunctionNode *p_func, bool p_for_ready, bool p_for_lambda) {
	r_error = OK;
	CodeGen codegen;
	codegen.generator = memnew(GDScriptByteCodeGenerator);

	codegen.class_node = p_class;
	codegen.script = p_script;
	codegen.function_node = p_func;

	StringName func_name;
	bool is_abstract = false;
	bool is_static = false;
	Variant rpc_config;
	GDScriptDataType return_type;
	return_type.has_type = true;
	return_type.kind = GDScriptDataType::BUILTIN;
	return_type.builtin_type = Variant::NIL;

	if (p_func) {
		if (p_func->identifier) {
			func_name = p_func->identifier->name;
		} else {
			func_name = "<anonymous lambda>";
		}
		is_abstract = p_func->is_abstract;
		is_static = p_func->is_static;
		rpc_config = p_func->rpc_config;
		return_type = _gdtype_from_datatype(p_func->get_datatype(), p_script);
	} else {
		if (p_for_ready) {
			func_name = "@implicit_ready";
		} else {
			func_name = "@implicit_new";
		}
	}

	MethodInfo method_info;

	codegen.function_name = func_name;
	method_info.name = func_name;
	codegen.is_static = is_static;
	if (is_abstract) {
		method_info.flags |= METHOD_FLAG_VIRTUAL_REQUIRED;
	}
	if (is_static) {
		method_info.flags |= METHOD_FLAG_STATIC;
	}
	codegen.generator->write_start(p_script, func_name, is_static, rpc_config, return_type);

	int optional_parameters = 0;
	GDScriptCodeGenerator::Address vararg_addr;

	if (p_func) {
		for (int i = 0; i < p_func->parameters.size(); i++) {
			const GDScriptParser::ParameterNode *parameter = p_func->parameters[i];
			GDScriptDataType par_type = _gdtype_from_datatype(parameter->get_datatype(), p_script);
			uint32_t par_addr = codegen.generator->add_parameter(parameter->identifier->name, parameter->initializer != nullptr, par_type);
			codegen.parameters[parameter->identifier->name] = GDScriptCodeGenerator::Address(GDScriptCodeGenerator::Address::FUNCTION_PARAMETER, par_addr, par_type);