* (ocarina-fe_aadl-parser-namespaces.adb,

	ocarina-fe_aadl-parser_errors.ad?): Add a decent error message when
	parsing an erronous empty package

src/frontends/aadl/ocarina-fe_aadl-parser-namespaces.adb

@@ -6,7 +6,7 @@
 --                                                                          --
 --                                 B o d y                                  --
 --                                                                          --
---    Copyright (C) 2008-2009 Telecom ParisTech, 2010-2015 ESA & ISAE.      --
+--    Copyright (C) 2008-2009 Telecom ParisTech, 2010-2016 ESA & ISAE.      --
 --                                                                          --
 -- Ocarina  is free software; you can redistribute it and/or modify under   --
 -- terms of the  GNU General Public License as published  by the Free Soft- --
@@ -555,6 +555,8 @@ package body Ocarina.FE_AADL.Parser.Namespaces is
                Restore_Lexer (Loc);
             else
                Skip_Tokens (T_Semicolon);
+
+               DPE (PC_Package_Specification, EMC_Empty_Package);
                return No_Node;
             end if;
          end if;
@@ -584,6 +586,8 @@ package body Ocarina.FE_AADL.Parser.Namespaces is
 
             Skip_Tokens (T_Semicolon);
             Success := False;
+
+            DPE (PC_Package_Specification, EMC_Empty_Package);
             return No_Node;
          end if;
       else

src/frontends/aadl/ocarina-fe_aadl-parser_errors.adb

@@ -244,6 +244,9 @@ package body Ocarina.FE_AADL.Parser_Errors is
          when EMC_At_Least_Three_Elements_Expected =>
             return "At least 3 elements are expected";
 
+         when EMC_Empty_Package =>
+            return "Empty packages are not allowed";
+
          when others =>
             To_Lower (S);
             for I in S'Range loop

src/frontends/aadl/ocarina-fe_aadl-parser_errors.ads

@@ -266,6 +266,7 @@ package Ocarina.FE_AADL.Parser_Errors is
       EMC_No_Defining_Identifier,
       EMC_Refinement_Is_Not_Allowed,
       EMC_Extends_Incompatible_Entity,
+      EMC_Empty_Package,
       EMC_Not_Allowed_In_AADL_V1,
       EMC_Not_Allowed_In_AADL_V2,
       EMC_Port_Group_Not_Allowed_In_AADL_V2,