Method parse_lambda

modules/gdscript/gdscript_parser.cpp:3609–3694

}

GDScriptParser::ExpressionNode *GDScriptParser::parse_lambda(ExpressionNode *p_previous_operand, bool p_can_assign) {
	LambdaNode *lambda = alloc_node<LambdaNode>();
	lambda->parent_function = current_function;
	lambda->parent_lambda = current_lambda;

	FunctionNode *function = alloc_node<FunctionNode>();
	function->source_lambda = lambda;

	function->is_static = current_function != nullptr ? current_function->is_static : false;

	if (match(GDScriptTokenizer::Token::IDENTIFIER)) {
		function->identifier = parse_identifier();
	}

	bool multiline_context = multiline_stack.back()->get();

	push_completion_call(nullptr);

	// Reset the multiline stack since we don't want the multiline mode one in the lambda body.
	push_multiline(false);
	if (multiline_context) {
		tokenizer->push_expression_indented_block();
	}

	push_multiline(true); // For the parameters.
	if (function->identifier) {
		consume(GDScriptTokenizer::Token::PARENTHESIS_OPEN, R"(Expected opening "(" after lambda name.)");
	} else {
		consume(GDScriptTokenizer::Token::PARENTHESIS_OPEN, R"(Expected opening "(" after "func".)");
	}

	FunctionNode *previous_function = current_function;
	current_function = function;

	LambdaNode *previous_lambda = current_lambda;
	current_lambda = lambda;

	SuiteNode *body = alloc_node<SuiteNode>();
	body->parent_function = current_function;
	body->parent_block = current_suite;

	SuiteNode *previous_suite = current_suite;
	current_suite = body;

	parse_function_signature(function, body, "lambda", -1);

	current_suite = previous_suite;

	bool previous_in_lambda = in_lambda;
	in_lambda = true;

	// Save break/continue state.
	bool could_break = can_break;
	bool could_continue = can_continue;

	// Disallow break/continue.
	can_break = false;
	can_continue = false;