Basic gvariant deserialization

diff --git a/codegen/valagvarianttransformer.vala b/codegen/valagvarianttransformer.vala
index c2f09eb49b4b3b906adcb66719734ccbc6615295..8e8d7e98ca2cda69914f8228539fe1b54124bb01 100644 (file)
--- a/codegen/valagvarianttransformer.vala
+++ b/codegen/valagvarianttransformer.vala
@@ -203,7 +203,7 @@ public class Vala.GVariantTransformer : CodeTransformer {
                return (MethodCall) expression (builder+".end ()");
        }
 
-       Expression serialize_struct (Struct st, Expression expr) {
+       Expression? serialize_struct (Struct st, Expression expr) {
                string temp = b.add_temp_declaration (expr.value_type, expr);
 
                var builderinit = expression ("new GLib.VariantBuilder (GLib.VariantType.TUPLE)");
@@ -264,6 +264,47 @@ public class Vala.GVariantTransformer : CodeTransformer {
                return result;
        }
 
+       Expression deserialize_basic (BasicTypeInfo basic_type, Expression expr) {
+               if (basic_type.is_string) {
+                       var call = new MethodCall (new MemberAccess (expr, "get_string", b.source_reference), b.source_reference);
+                       call.add_argument (new NullLiteral ());
+                       return call;
+               }
+
+               return new MethodCall (new MemberAccess (expr, "get_" + basic_type.type_name, b.source_reference), b.source_reference);
+       }
+
+       Expression? deserialize_expression (DataType type, Expression expr) {
+               BasicTypeInfo basic_type;
+               Expression result = null;
+               if (get_basic_type_info (get_type_signature (type), out basic_type)) {
+                       result = deserialize_basic (basic_type, expr);
+               }
+               return result;
+       }
+
+       public override void visit_cast_expression (CastExpression expr) {
+               base.visit_cast_expression (expr);
+
+               if (!(expr.inner.value_type.data_type == context.analyzer.gvariant_type.data_type && expr.type_reference.data_type != context.analyzer.gvariant_type.data_type)) {
+                       return;
+               }
+
+               b = new CodeBuilder (context, expr.parent_statement, expr.source_reference);
+               var old_parent_node = expr.parent_node;
+               var target_type = expr.target_type.copy ();
+
+               Expression result = deserialize_expression (expr.type_reference, expr.inner);
+
+               result.target_type = target_type;
+               context.analyzer.replaced_nodes.add (expr);
+               old_parent_node.replace_expression (expr, result);
+               foreach (var node in b.check_nodes) {
+                       check (node);
+               }
+               check (result);
+       }
+
        public override void visit_expression (Expression expr) {
                base.visit_expression (expr);