Support scope = "async" on parameters.

This flag is still useful on delegates such as ThreadFunc that are
always scope = "async" by default. The flag on the parameter will
override the flag has been set on the delegate.

diff --git a/vala/valaparameter.vala b/vala/valaparameter.vala
index b089dde22ad000417d6a0e70f7ad8cdcdaad6460..c42d6f33a548e803d1564c017218b0ceabdb3b9b 100644 (file)
--- a/vala/valaparameter.vala
+++ b/vala/valaparameter.vala
@@ -147,6 +147,11 @@ public class Vala.Parameter : Variable {
                                return false;
                        }
 
+                       if (has_attribute_argument ("CCode", "scope") && variable_type is DelegateType) {
+                               var delegate_type = (DelegateType) variable_type;
+                               delegate_type.is_called_once = get_attribute_string ("CCode", "scope") == "async";
+                       }
+
                        if (initializer != null) {
                                initializer.target_type = variable_type.copy ();
                                initializer.check (context);