Allow standalone ternary expressions

modules/gdscript/gdscript_analyzer.cpp

@@ -1957,7 +1957,7 @@ void GDScriptAnalyzer::reduce_expression(GDScriptParser::ExpressionNode *p_expre
 			reduce_subscript(static_cast<GDScriptParser::SubscriptNode *>(p_expression));
 			break;
 		case GDScriptParser::Node::TERNARY_OPERATOR:
-			reduce_ternary_op(static_cast<GDScriptParser::TernaryOpNode *>(p_expression));
+			reduce_ternary_op(static_cast<GDScriptParser::TernaryOpNode *>(p_expression), p_is_root);
 			break;
 		case GDScriptParser::Node::UNARY_OPERATOR:
 			reduce_unary_op(static_cast<GDScriptParser::UnaryOpNode *>(p_expression));
@@ -3656,10 +3656,10 @@ void GDScriptAnalyzer::reduce_subscript(GDScriptParser::SubscriptNode *p_subscri
 	p_subscript->set_datatype(result_type);
 }
 
-void GDScriptAnalyzer::reduce_ternary_op(GDScriptParser::TernaryOpNode *p_ternary_op) {
+void GDScriptAnalyzer::reduce_ternary_op(GDScriptParser::TernaryOpNode *p_ternary_op, bool p_is_root) {
 	reduce_expression(p_ternary_op->condition);
-	reduce_expression(p_ternary_op->true_expr);
-	reduce_expression(p_ternary_op->false_expr);
+	reduce_expression(p_ternary_op->true_expr, p_is_root);
+	reduce_expression(p_ternary_op->false_expr, p_is_root);
 
 	GDScriptParser::DataType result;
 

modules/gdscript/gdscript_analyzer.h

@@ -99,7 +99,7 @@ class GDScriptAnalyzer {
 	void reduce_preload(GDScriptParser::PreloadNode *p_preload);
 	void reduce_self(GDScriptParser::SelfNode *p_self);
 	void reduce_subscript(GDScriptParser::SubscriptNode *p_subscript);
-	void reduce_ternary_op(GDScriptParser::TernaryOpNode *p_ternary_op);
+	void reduce_ternary_op(GDScriptParser::TernaryOpNode *p_ternary_op, bool p_is_root = false);
 	void reduce_unary_op(GDScriptParser::UnaryOpNode *p_unary_op);
 
 	void const_fold_array(GDScriptParser::ArrayNode *p_array);

modules/gdscript/gdscript_parser.cpp

@@ -1750,6 +1750,7 @@ GDScriptParser::Node *GDScriptParser::parse_statement() {
 					case Node::CALL:
 					case Node::ASSIGNMENT:
 					case Node::AWAIT:
+					case Node::TERNARY_OPERATOR:
 						// Fine.
 						break;
 					case Node::LAMBDA: