[vala] GType: Do not allow 'type' properties

[Jürg Billeter <juergbi src gnome org>]

commit fef9c6e66082171433eabc97ca25ac181679c6c1
Author: Luca Bruno <lethalman88 gmail com>
Date:   Sat Mar 20 14:47:51 2010 +0100

    GType: Do not allow 'type' properties
    
    Generated get_type function would cause conflicts.
    
    Fixes bug 586817.

 codegen/valagtypemodule.vala |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)
---
diff --git a/codegen/valagtypemodule.vala b/codegen/valagtypemodule.vala
index a919e51..c99a381 100644
--- a/codegen/valagtypemodule.vala
+++ b/codegen/valagtypemodule.vala
@@ -1949,4 +1949,14 @@ internal class Vala.GTypeModule : GErrorModule {
 		ccomma.append_expression (new CCodeConditionalExpression (is_null_value, new CCodeMemberAccess.pointer (get_variable_cexpression (temp_var.name), "value_name"), new CCodeIdentifier ("NULL")));
 		expr.ccodenode = ccomma;
 	}
+
+	public override void visit_property (Property prop) {
+		var cl = current_type_symbol as Class;
+		var st = current_type_symbol as Struct;
+		if (prop.name == "type" && ((cl != null && !cl.is_compact) || (st != null && st.has_type_id))) {
+			Report.error (prop.source_reference, "Property 'type' not allowed");
+			return;
+		}
+		base.visit_property (prop);
+	}
 }