Generate Mojom Types for Dart

mojo/public/tools/bindings/generators/dart_templates/union_definition.tmpl

 {#--- Begin #}
 
 {%- import "encoding_macros.tmpl" as encoding_macros %}
+{% import "mojom_type_macros.tmpl" as mojom_type_macros %}
 
-{%- macro enum_def(union) %}
+{%- macro enum_def(union, typepkg, package) %}
 enum {{union|name}}Tag {
 {%-   for field in union.fields %}
   {{field|tag_name}},
 {%-   endfor %}
   unknown
 }
 {%- endmacro %}
 
 {%- macro wrapper_def(union) %}
 class {{union|name}} extends bindings.Union {
@@ skipping 28 matching lines @@
   }
 {%-   endfor %}
 
   static {{union|name}} decode(bindings.Decoder decoder0, int offset) {
     int size = decoder0.decodeUint32(offset);
     if (size == 0) {
       return null;
     }
     {{union|name}} result = new {{union|name}}();
 
-    // TODO(azani): Handle unknown union member.
+    // TODO(azani): Handle unknown union member. An assert breaks validation_unittest.
     {{union|name}}Tag tag = _int_to_tag[decoder0.decodeUint32(offset + 4)];
     switch (tag) {
 {%-   for field in union.fields %}
       case {{union|name}}Tag.{{field|tag_name}}:
 {%-     if field.kind|is_union_kind %}
         var decoder1 = decoder0.decodePointer(offset + 8, {{field.kind|is_nullable_kind|dart_true_false}});
         result.{{field|name}} = {{field.kind|dart_type}}.decode(decoder1, 0);
 {%-     else %}
         {{encoding_macros.decode('result.' ~ field|name, field.kind, "offset + 8", 0)|indent(8)}}
 {%-     endif %}
         break;
 {%-   endfor %}
+      default:
+        break;
     }
 
     return result;
   }
 
   void encode(bindings.Encoder encoder0, int offset) {
     // TODO(azani): Error when trying to encode an unknown member.
     encoder0.encodeUint32(16, offset);
     encoder0.encodeUint32(_tag_to_int[_tag], offset + 4);
     switch (_tag) {
 {%-   for field in union.fields %}
       case {{union|name}}Tag.{{field|tag_name}}:
 {%-     if field.kind|is_union_kind %}
         encoder0.encodeNestedUnion({{field|name}}, offset + 8, {{field.kind|is_nullable_kind|dart_true_false}});
 {%-     else %}
         {{encoding_macros.encode(field|name, field.kind, "offset + 8", 0)|indent(8)}}
 {%-     endif %}
         break;
 {%-   endfor %}
+      default:
+        break;
     }
   }
 
   String toString() {
     String result = "{{union|name}}(";
     switch (_tag) {
 {%-   for field in union.fields %}
       case {{union|name}}Tag.{{field|tag_name}}:
         result += "{{field|name}}";
         break;
 {%-   endfor %}
       default:
         result += "unknown";
     }
     result += ": $_data)";
     return result;
   }
 }
 {%- endmacro %}
 
 
-{%- macro union_def(union) %}
+{%- macro union_def(union, typepkg, package) %}
 {{enum_def(union)}}
 {{wrapper_def(union)}}
+
+{{ mojom_type_macros.writeMojomTypeDef(union, typepkg, package) }}
 {%- endmacro %}