Add netlist generation infrastructure.

1 files changed, 42 insertions, 0 deletions

diff --git a/src/synth/synth-expr.ads b/src/synth/synth-expr.ads
new file mode 100644
index 000000000..3180b3afd
--- /dev/null
+++ b/src/synth/synth-expr.ads
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+--  Expressions synthesis.
+--  Copyright (C) 2017 Tristan Gingold
+--
+--  This file is part of GHDL.
+--
+--  This program 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 of the License, or
+--  (at your option) any later version.
+--
+--  This program 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 this program; if not, write to the Free Software
+--  Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+--  MA 02110-1301, USA.
+
+with Types; use Types;
+with Iir_Values; use Iir_Values;
+with Synth.Values; use Synth.Values;
+with Iirs; use Iirs;
+
+package Synth.Expr is
+   function Is_Const (Val : Value_Acc) return Boolean;
+   function Get_Width (Val : Value_Acc) return Uns32;
+
+   procedure To_Logic (Lit : Iir_Value_Literal_Acc;
+                       Val : out Uns32;
+                       Xz : out Uns32);
+
+   function Bit_Extract (Val : Value_Acc; Off : Uns32) return Value_Acc;
+
+   function Synth_Expression_With_Type
+     (Syn_Inst : Synth_Instance_Acc; Expr : Iir; Expr_Type : Iir)
+     return Value_Acc;
+
+   function Synth_Expression (Syn_Inst : Synth_Instance_Acc; Expr : Iir)
+                             return Value_Acc;
+end Synth.Expr;