[vala/staging] vala: Add delegate_target_type and delegate_target_destroy_type to SemanticAnalyzer

[Rico Tzschichholz <ricotz src gnome org>]

commit ca7ab54681593a25b51c118e9aba40f44adf3f3d
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Wed Oct 2 19:07:17 2019 +0200

    vala: Add delegate_target_type and delegate_target_destroy_type to SemanticAnalyzer
    
    This is a plain copy from CCodeBaseModule.

 vala/valasemanticanalyzer.vala | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
---
diff --git a/vala/valasemanticanalyzer.vala b/vala/valasemanticanalyzer.vala
index 5ffef23e9..bb4f9b744 100644
--- a/vala/valasemanticanalyzer.vala
+++ b/vala/valasemanticanalyzer.vala
@@ -167,6 +167,10 @@ public class Vala.SemanticAnalyzer : CodeVisitor {
        public DataType list_type;
        public DataType tuple_type;
        public Class gsource_type;
+       public DataType delegate_target_type;
+       public DelegateType delegate_target_destroy_type;
+
+       Delegate destroy_notify;
 
        // keep replaced alive to make sure they remain valid
        // for the whole execution of CodeNode.accept
@@ -228,6 +232,17 @@ public class Vala.SemanticAnalyzer : CodeVisitor {
                        regex_type = new ObjectType ((Class) root_symbol.scope.lookup ("GLib").scope.lookup 
("Regex"));
 
                        gsource_type = (Class) glib_ns.scope.lookup ("Source");
+
+                       delegate_target_type = new StructValueType ((Struct) glib_ns.scope.lookup 
("pointer"));
+                       destroy_notify = (Delegate) glib_ns.scope.lookup ("DestroyNotify");
+                       delegate_target_destroy_type = new DelegateType (destroy_notify);
+               } else {
+                       delegate_target_type = new PointerType (new VoidType ());
+                       destroy_notify = new Delegate ("ValaDestroyNotify", new VoidType ());
+                       destroy_notify.add_parameter (new Parameter ("data", new PointerType (new VoidType 
())));
+                       destroy_notify.has_target = false;
+                       destroy_notify.owner = context.root.scope;
+                       delegate_target_destroy_type = new DelegateType (destroy_notify);
                }
 
                current_symbol = root_symbol;