bug fix #1211

NETGenerator/NETGenerator.cs

@@ -8537,6 +8537,7 @@ namespace PascalABCCompiler.NETGenerator
                         real_parameters[1].visit(this);
                         il.Emit(OpCodes.Call, mi_right);
                         EmitOperator(value);
+                        is_dot_expr = tmp_dot;
                         if (tmp_dot)
                         {
                             is_dot_expr = tmp_dot;

TestSuite/delegates11.pas

@@ -0,0 +1,19 @@
+var i: integer;
+
+procedure p;
+begin
+  i := 1;
+end;
+type
+  I1 = interface
+    function f1: Action0;
+  end;
+  t1 = class(I1)
+    public function f1: Action0 := p;
+  end;
+
+begin 
+  var t := new t1;
+  t.f1()();
+  assert(i = 1);
+end.

TestSuite/errors/err0284.pas

@@ -0,0 +1,9 @@
+type
+  I1 = interface
+    function f1: Action0;
+  end;
+  t1 = class(I1)
+    public function f1: procedure := nil;
+  end;
+
+begin end.

TestSuite/errors/err0285.pas

@@ -0,0 +1,9 @@
+type
+  base = class
+    function f1: Action0; abstract;
+  end;
+  t1 = class(base)
+    public function f1: procedure; override := nil;
+  end;
+
+begin end.

TestSuite/nullable2.pas

@@ -1,4 +1,4 @@
-function f: integer?;
+function f: System.Nullable<integer>;
 begin
   Result := 2;
 end;

TreeConverter/TreeConversion/convertion_data_and_alghoritms.cs

@@ -1482,6 +1482,8 @@ namespace PascalABCCompiler.TreeConverter
             }
             if (tn1.get_internal_interface(internal_interface_kind.delegate_interface) != null)
             {
+                if (strong)
+                    return tn1 == tn2;
                 delegate_internal_interface d1 = tn1.get_internal_interface(internal_interface_kind.delegate_interface) as delegate_internal_interface;
                 delegate_internal_interface d2 = tn2.get_internal_interface(internal_interface_kind.delegate_interface) as delegate_internal_interface;
                 if (d2 != null)
@@ -1504,7 +1506,7 @@ namespace PascalABCCompiler.TreeConverter
             }
             else
             {
-                return eq_type_nodes(left.return_value_type,right.return_value_type);
+                return eq_type_nodes(left.return_value_type, right.return_value_type, weak);
             }
         }