[vala/staging] codegen: Add target/destroy type declarations for delegates as needed

[Rico Tzschichholz <ricotz src gnome org>]

commit f161b99cda373e50a65e33442c1861a27378c929
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Wed Nov 21 10:33:21 2018 +0100

    codegen: Add target/destroy type declarations for delegates as needed
    
    This improves the support of POSIX profile.

 codegen/valaccodebasemodule.vala | 6 ++++++
 1 file changed, 6 insertions(+)
---
diff --git a/codegen/valaccodebasemodule.vala b/codegen/valaccodebasemodule.vala
index a0b4b0575..acadf940e 100644
--- a/codegen/valaccodebasemodule.vala
+++ b/codegen/valaccodebasemodule.vala
@@ -1486,6 +1486,12 @@ public abstract class Vala.CCodeBaseModule : CodeGenerator {
                        var deleg_type = (DelegateType) type;
                        var d = deleg_type.delegate_symbol;
                        generate_delegate_declaration (d, decl_space);
+                       if (d.has_target) {
+                               generate_type_declaration (delegate_target_type, decl_space);
+                               if (deleg_type.is_disposable ()) {
+                                       generate_type_declaration (delegate_target_destroy_type, decl_space);
+                               }
+                       }
                } else if (type.data_type is Enum) {
                        var en = (Enum) type.data_type;
                        generate_enum_declaration (en, decl_space);