[vala/wip/transform: 100/140] Report error for unsupported GVariant (de)serialization

[Rico Tzschichholz <ricotz src gnome org>]

commit c208affc52d0368ca9ee41f4577348a2b884bcae
Author: Rico Tzschichholz <ricotz t-online de>
Date:   Mon Oct 22 13:16:39 2012 +0200

    Report error for unsupported GVariant (de)serialization

 codegen/valagvarianttransformer.vala | 8 ++++++++
 1 file changed, 8 insertions(+)
---
diff --git a/codegen/valagvarianttransformer.vala b/codegen/valagvarianttransformer.vala
index 2114e67ca..8d0f1b923 100644
--- a/codegen/valagvarianttransformer.vala
+++ b/codegen/valagvarianttransformer.vala
@@ -522,6 +522,10 @@ public class Vala.GVariantTransformer : CCodeTransformer {
                        result = deserialize_hash_table ((ObjectType) type, expr.inner);
                }
 
+               if (result == null) {
+                       Report.error (type.source_reference, "GVariant deserialization of type `%s' is not 
supported".printf (type.to_string ()));
+               }
+
                context.analyzer.replaced_nodes.add (expr.inner);
                expr.inner = result;
                b.check (this);
@@ -561,6 +565,10 @@ public class Vala.GVariantTransformer : CCodeTransformer {
                        result = serialize_hash_table ((ObjectType) type, expr);
                }
 
+               if (result == null) {
+                       Report.error (type.source_reference, "GVariant serialization of type `%s' is not 
supported".printf (type.to_string ()));
+               }
+
                result.target_type = target_type;
                context.analyzer.replaced_nodes.add (expr);
                old_parent_node.replace_expression (expr, result);