Implement ticket 37: add switch -gNAME=VAL to override top entity generics.

1 files changed, 65 insertions, 0 deletions

diff --git a/src/grt/grt-avhpi_utils.adb b/src/grt/grt-avhpi_utils.adb
new file mode 100644
index 000000000..6fedf1b4c
--- /dev/null
+++ b/src/grt/grt-avhpi_utils.adb
@@ -0,0 +1,65 @@
+--  GHDL Run Time (GRT) - Utility functions for AVHPI.
+--  Copyright (C) 2015 Tristan Gingold
+--
+--  GHDL is free software; you can redistribute it and/or modify it under
+--  the terms of the GNU General Public License as published by the Free
+--  Software Foundation; either version 2, or (at your option) any later
+--  version.
+--
+--  GHDL is distributed in the hope that it will be useful, but WITHOUT ANY
+--  WARRANTY; without even the implied warranty of MERCHANTABILITY or
+--  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+--  for more details.
+--
+--  You should have received a copy of the GNU General Public License
+--  along with GCC; see the file COPYING.  If not, write to the Free
+--  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+--  02111-1307, USA.
+--
+--  As a special exception, if other files instantiate generics from this
+--  unit, or you link this unit with other files to produce an executable,
+--  this unit does not by itself cause the resulting executable to be
+--  covered by the GNU General Public License. This exception does not
+--  however invalidate any other reasons why the executable file might be
+--  covered by the GNU Public License.
+
+with Grt.Errors; use Grt.Errors;
+
+package body Grt.Avhpi_Utils is
+   function Get_Root_Entity (Root : VhpiHandleT) return VhpiHandleT
+   is
+      Hdl : VhpiHandleT;
+      Error : AvhpiErrorT;
+   begin
+      Vhpi_Handle (VhpiDesignUnit, Root, Hdl, Error);
+      if Error /= AvhpiErrorOk then
+         Internal_Error ("VhpiDesignUnit");
+      end if;
+
+      case Vhpi_Get_Kind (Hdl) is
+         when VhpiArchBodyK =>
+            Vhpi_Handle (VhpiPrimaryUnit, Hdl, Hdl, Error);
+            if Error /= AvhpiErrorOk then
+               Internal_Error ("VhpiPrimaryUnit");
+            end if;
+         when others =>
+            Internal_Error ("get_root_entity");
+      end case;
+      return Hdl;
+   end Get_Root_Entity;
+
+   function Name_Compare (Handle : VhpiHandleT;
+                          Name : String;
+                          Property : VhpiStrPropertyT := VhpiNameP)
+                         return Boolean
+   is
+      Obj_Name : String (1 .. Name'Length);
+      Len : Natural;
+   begin
+      Vhpi_Get_Str (Property, Handle, Obj_Name, Len);
+      return Len = Name'Length and then Obj_Name = Name;
+   end Name_Compare;
+
+end Grt.Avhpi_Utils;
+
+