Add many vhdl08 predefined operators and functions. Add std.env

2 files changed, 93 insertions, 0 deletions

diff --git a/libraries/std/env.vhdl b/libraries/std/env.vhdl
new file mode 100644
index 000000000..35cbb0261
--- /dev/null
+++ b/libraries/std/env.vhdl
@@ -0,0 +1,28 @@
+--  Std.Env package declaration.  This file is part of GHDL.
+--  This file was written from the clause 14.3 of the VHDL LRM.
+--  Copyright (C) 2014 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.
+
+package Env is
+  procedure Stop (Status : Integer);
+  procedure Stop;
+
+  procedure Finish (status : Integer);
+  procedure Finish;
+
+  function Resolution_Limit return Delay_Length;
+end package Env;
diff --git a/libraries/std/env_body.vhdl b/libraries/std/env_body.vhdl
new file mode 100644
index 000000000..d36519fc9
--- /dev/null
+++ b/libraries/std/env_body.vhdl
@@ -0,0 +1,65 @@
+--  Std.Env package declaration.  This file is part of GHDL.
+--  This file was written from the clause 14.3 of the VHDL LRM.
+--  Copyright (C) 2014 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.
+
+package body Env is
+  procedure control_simulation (Is_Stop : Boolean;
+                                Has_Status : Boolean;
+                                Status : Integer);
+  attribute foreign of control_simulation : procedure is "GHDL intrinsic";
+
+  procedure control_simulation (Is_Stop : Boolean;
+                                Has_Status : Boolean;
+                                Status : Integer) is
+  begin
+    assert false report "must not be called" severity failure;
+  end control_simulation;
+
+  procedure Stop (Status : Integer) is
+  begin
+    control_simulation (True, True, Status);
+  end Stop;
+
+  procedure Stop is
+  begin
+    control_simulation (True, False, -1);
+  end Stop;
+
+  procedure Finish (status : integer) is
+  begin
+    control_simulation (False, True, Status);
+  end Finish;
+
+  procedure Finish is
+  begin
+    control_simulation (False, False, -1);
+  end Finish;
+
+  function Get_Resolution_Limit return Delay_Length;
+  attribute foreign of Get_Resolution_Limit : function is "GHDL intrinsic";
+
+  function Get_Resolution_Limit return Delay_Length is
+  begin
+    assert false report "must not be called" severity failure;
+  end Get_Resolution_Limit;
+
+  function Resolution_Limit return Delay_Length is
+  begin
+    return Get_Resolution_Limit;
+  end Resolution_Limit;
+end package body Env;