vala: Don't allow nullable enum value as real GObject property

It is basically a boxed integer value.

Fixes https://gitlab.gnome.org/GNOME/vala/issues/1074

diff --git a/tests/Makefile.am b/tests/Makefile.am
index b282f1e2d800324a9c8c0af4f5a3686c96f65fec..97c3883ea97f680629dd85bf450da7d183f0d132 100644 (file)
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -523,6 +523,7 @@ TESTS = \
        objects/property-construct-only-write-foreign.test \
        objects/property-delegate.vala \
        objects/property-delegate-owned.vala \
+       objects/property-enum-nullable.vala \
        objects/property-gboxed-nullable.vala \
        objects/property-real-struct-assignment.vala \
        objects/property-real-struct-no-accessor.test \

diff --git a/tests/objects/property-enum-nullable.vala b/tests/objects/property-enum-nullable.vala
new file mode 100644 (file)
index 0000000..e7206e0
--- /dev/null
+++ b/tests/objects/property-enum-nullable.vala
@@ -0,0 +1,10 @@
+enum Bar {
+       Manam;
+}
+
+class Foo : Object {
+       public Bar? bar { owned get; set; }
+}
+
+void main () {
+}

diff --git a/vala/valasemanticanalyzer.vala b/vala/valasemanticanalyzer.vala
index 8b701da7fcebd13fc773a4475560c338a7409204..23f6329dd5b7b968cb449b4377bfe693d134d2b1 100644 (file)
--- a/vala/valasemanticanalyzer.vala
+++ b/vala/valasemanticanalyzer.vala
@@ -499,6 +499,10 @@ public class Vala.SemanticAnalyzer : CodeVisitor {
                        }
                }
 
+               if (property_type is EnumValueType) {
+                       return !property_type.nullable;
+               }
+
                if (property_type is ArrayType && ((ArrayType) property_type).element_type.type_symbol != string_type.type_symbol) {
                        return false;
                }