[vala/staging] codegen: Add missing cast to access base-class members with class/static ctor

[Rico Tzschichholz <ricotz src gnome org>]

commit 9fc4f4ee4f27314b6494147e880b2e76c5f3e9d0
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Tue Aug 31 16:28:05 2021 +0200

    codegen: Add missing cast to access base-class members with class/static ctor
    
    Regression of 9cbd53b8d79aa4c394ddf49e766f2c15fc476906
    
    Fixes https://gitlab.gnome.org/GNOME/vala/issues/1221

 codegen/valaccodebasemodule.vala |  8 +++++++-
 tests/objects/fields.c-expected  | 16 ++++++++++++++++
 tests/objects/fields.vala        | 20 ++++++++++++++++++++
 3 files changed, 43 insertions(+), 1 deletion(-)
---
diff --git a/codegen/valaccodebasemodule.vala b/codegen/valaccodebasemodule.vala
index 54fc3e184..f7321b72a 100644
--- a/codegen/valaccodebasemodule.vala
+++ b/codegen/valaccodebasemodule.vala
@@ -2622,7 +2622,13 @@ public abstract class Vala.CCodeBaseModule : CodeGenerator {
                        cast = call;
                } else {
                        // Accessing the member from a static or class constructor
-                       cast = new CCodeIdentifier ("klass");
+                       if (current_class == cl) {
+                               cast = new CCodeIdentifier ("klass");
+                       } else {
+                               call = new CCodeFunctionCall (new CCodeIdentifier 
(get_ccode_class_type_function (cl)));
+                               call.add_argument (new CCodeIdentifier ("klass"));
+                               cast = call;
+                       }
                }
                return cast;
        }
diff --git a/tests/objects/fields.c-expected b/tests/objects/fields.c-expected
index 6d7391968..03828580c 100644
--- a/tests/objects/fields.c-expected
+++ b/tests/objects/fields.c-expected
@@ -701,6 +701,10 @@ faz_base_init (FazClass * klass)
        _vala_assert (FAZ_GET_CLASS_PRIVATE (klass)->private_class_field == 42, "private_class_field == 42");
        FAZ_GET_CLASS_PRIVATE (klass)->private_class_field = 24;
        _vala_assert (FAZ_GET_CLASS_PRIVATE (klass)->private_class_field == 24, "private_class_field == 24");
+       _vala_assert (FOO_CLASS (klass)->public_base_class_field == 42, "public_base_class_field == 42");
+       FOO_CLASS (klass)->public_base_class_field = 24;
+       _vala_assert (FOO_CLASS (klass)->public_base_class_field == 24, "public_base_class_field == 24");
+       FOO_CLASS (klass)->public_base_class_field = 42;
 }
 
 static void
@@ -722,6 +726,10 @@ faz_class_init (FazClass * klass,
        _vala_assert (FAZ_GET_CLASS_PRIVATE (klass)->private_class_field == 42, "private_class_field == 42");
        FAZ_GET_CLASS_PRIVATE (klass)->private_class_field = 24;
        _vala_assert (FAZ_GET_CLASS_PRIVATE (klass)->private_class_field == 24, "private_class_field == 24");
+       _vala_assert (FOO_CLASS (klass)->public_base_class_field == 42, "public_base_class_field == 42");
+       FOO_CLASS (klass)->public_base_class_field = 24;
+       _vala_assert (FOO_CLASS (klass)->public_base_class_field == 24, "public_base_class_field == 24");
+       FOO_CLASS (klass)->public_base_class_field = 42;
 }
 
 static void
@@ -1000,6 +1008,10 @@ baz_base_init (BazClass * klass)
        _vala_assert (BAZ_GET_CLASS_PRIVATE (klass)->private_class_field == 42, "private_class_field == 42");
        BAZ_GET_CLASS_PRIVATE (klass)->private_class_field = 24;
        _vala_assert (BAZ_GET_CLASS_PRIVATE (klass)->private_class_field == 24, "private_class_field == 24");
+       _vala_assert (BAR_CLASS (klass)->public_base_class_field == 42, "public_base_class_field == 42");
+       BAR_CLASS (klass)->public_base_class_field = 24;
+       _vala_assert (BAR_CLASS (klass)->public_base_class_field == 24, "public_base_class_field == 24");
+       BAR_CLASS (klass)->public_base_class_field = 42;
 }
 
 static void
@@ -1021,6 +1033,10 @@ baz_class_init (BazClass * klass,
        _vala_assert (BAZ_GET_CLASS_PRIVATE (klass)->private_class_field == 42, "private_class_field == 42");
        BAZ_GET_CLASS_PRIVATE (klass)->private_class_field = 24;
        _vala_assert (BAZ_GET_CLASS_PRIVATE (klass)->private_class_field == 24, "private_class_field == 24");
+       _vala_assert (BAR_CLASS (klass)->public_base_class_field == 42, "public_base_class_field == 42");
+       BAR_CLASS (klass)->public_base_class_field = 24;
+       _vala_assert (BAR_CLASS (klass)->public_base_class_field == 24, "public_base_class_field == 24");
+       BAR_CLASS (klass)->public_base_class_field = 42;
 }
 
 static void
diff --git a/tests/objects/fields.vala b/tests/objects/fields.vala
index 0872045bb..e14572bd9 100644
--- a/tests/objects/fields.vala
+++ b/tests/objects/fields.vala
@@ -32,6 +32,11 @@ class Faz : Foo {
                assert (private_class_field == 42);
                private_class_field = 24;
                assert (private_class_field == 24);
+
+               assert (public_base_class_field == 42);
+               public_base_class_field = 24;
+               assert (public_base_class_field == 24);
+               public_base_class_field = 42;
        }
 
        static construct {
@@ -42,6 +47,11 @@ class Faz : Foo {
                assert (private_class_field == 42);
                private_class_field = 24;
                assert (private_class_field == 24);
+
+               assert (public_base_class_field == 42);
+               public_base_class_field = 24;
+               assert (public_base_class_field == 24);
+               public_base_class_field = 42;
        }
 
        public void action () {
@@ -132,6 +142,11 @@ class Baz : Bar {
                assert (private_class_field == 42);
                private_class_field = 24;
                assert (private_class_field == 24);
+
+               assert (public_base_class_field == 42);
+               public_base_class_field = 24;
+               assert (public_base_class_field == 24);
+               public_base_class_field = 42;
        }
 
        static construct {
@@ -142,6 +157,11 @@ class Baz : Bar {
                assert (private_class_field == 42);
                private_class_field = 24;
                assert (private_class_field == 24);
+
+               assert (public_base_class_field == 42);
+               public_base_class_field = 24;
+               assert (public_base_class_field == 24);
+               public_base_class_field = 42;
        }
 
        public void action () {