vhdl: move canon to a vhdl child package.

1 files changed, 43 insertions, 0 deletions

diff --git a/src/vhdl/vhdl-canon_psl.adb b/src/vhdl/vhdl-canon_psl.adb
new file mode 100644
index 000000000..08cb84d05
--- /dev/null
+++ b/src/vhdl/vhdl-canon_psl.adb
@@ -0,0 +1,43 @@
+--  Canonicalization pass for PSL.
+--  Copyright (C) 2009 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 GHDL; see the file COPYING.  If not, write to the Free
+--  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+--  02111-1307, USA.
+
+with PSL.Nodes; use PSL.Nodes;
+with PSL.Errors; use PSL.Errors;
+with Vhdl.Canon; use Vhdl.Canon;
+with Iirs_Utils; use Iirs_Utils;
+
+package body Vhdl.Canon_PSL is
+   --  Version of Canon.Canon_Extract_Sensitivity for PSL nodes.
+   procedure Canon_Extract_Sensitivity
+     (Expr: PSL_Node; Sensitivity_List: Iir_List)
+   is
+   begin
+      case Get_Kind (Expr) is
+         when N_HDL_Expr =>
+            Canon_Extract_Sensitivity (Get_HDL_Node (Expr), Sensitivity_List);
+         when N_And_Bool
+           | N_Or_Bool =>
+            Canon_Extract_Sensitivity (Get_Left (Expr), Sensitivity_List);
+            Canon_Extract_Sensitivity (Get_Right (Expr), Sensitivity_List);
+         when N_Not_Bool =>
+            Canon_Extract_Sensitivity (Get_Boolean (Expr), Sensitivity_List);
+         when others =>
+            Error_Kind ("PSL.Canon_extract_Sensitivity", Expr);
+      end case;
+   end Canon_Extract_Sensitivity;
+end Vhdl.Canon_PSL;