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-- Predefined procedures
-- Copyright (C) 2019 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, see <gnu.org/licenses>.
with Interfaces;
with Types; use Types;
with Vhdl.Errors; use Vhdl.Errors;
with Elab.Memtype;
with Elab.Vhdl_Values; use Elab.Vhdl_Values;
with Elab.Vhdl_Heap;
with Elab.Vhdl_Files; use Elab.Vhdl_Files;
with Elab.Debugger;
with Synth.Errors; use Synth.Errors;
with Grt.Fcvt;
package body Synth.Vhdl_Static_Proc is
procedure Synth_Deallocate (Syn_Inst : Synth_Instance_Acc; Imp : Node)
is
Inter : constant Node := Get_Interface_Declaration_Chain (Imp);
Param : constant Valtyp := Get_Value (Syn_Inst, Inter);
Val : Heap_Index;
begin
if not Is_Static (Param.Val) then
-- Certainly an error (and certainly already reported).
return;
end if;
Val := Read_Access (Param);
if Val /= Null_Heap_Index then
Elab.Vhdl_Heap.Synth_Deallocate (Val);
Write_Access (Param.Val.Mem, Null_Heap_Index);
end if;
end Synth_Deallocate;
procedure Synth_Textio_Write_Real (Syn_Inst : Synth_Instance_Acc;
Imp : Node)
is
use Elab.Memtype;
Param1 : constant Node := Get_Interface_Declaration_Chain (Imp);
Str : constant Valtyp := Get_Value (Syn_Inst, Param1);
Param2 : constant Node := Get_Chain (Param1);
Len : constant Valtyp := Get_Value (Syn_Inst, Param2);
Param3 : constant Node := Get_Chain (Param2);
Val : constant Valtyp := Get_Value (Syn_Inst, Param3);
Param4 : constant Node := Get_Chain (Param3);
Ndigits : constant Valtyp := Get_Value (Syn_Inst, Param4);
S : String (1 .. Natural (Str.Typ.Abound.Len));
Last : Natural;
begin
Grt.Fcvt.Format_Digits (S, Last,
Interfaces.IEEE_Float_64 (Read_Fp64 (Val)),
Natural (Read_Discrete (Ndigits)));
Write_Discrete (Len, Int64 (Last));
for I in 1 .. Last loop
Write_U8 (Str.Val.Mem + Size_Type (I - 1), Character'Pos (S (I)));
end loop;
end Synth_Textio_Write_Real;
procedure Synth_Static_Procedure (Syn_Inst : Synth_Instance_Acc;
Imp : Node;
Loc : Node) is
begin
case Get_Implicit_Definition (Imp) is
when Iir_Predefined_File_Open =>
Synth_File_Open (Syn_Inst, Imp, Loc);
when Iir_Predefined_File_Open_Status =>
Synth_File_Open_Status (Syn_Inst, Imp);
when Iir_Predefined_File_Close =>
Synth_File_Close (Syn_Inst, Imp, Loc);
when Iir_Predefined_Foreign_Untruncated_Text_Read =>
Synth_Untruncated_Text_Read (Syn_Inst, Imp, Loc);
when Iir_Predefined_Deallocate =>
Synth_Deallocate (Syn_Inst, Imp);
when Iir_Predefined_Read =>
Synth_File_Read (Syn_Inst, Imp, Loc);
when Iir_Predefined_Read_Length =>
Synth_File_Read_Length (Syn_Inst, Imp, Loc);
when Iir_Predefined_Write =>
Synth_File_Write (Syn_Inst, Imp, Loc);
when Iir_Predefined_Flush =>
Synth_File_Flush (Syn_Inst, Imp, Loc);
when Iir_Predefined_Std_Env_Finish_Status
| Iir_Predefined_Std_Env_Stop_Status =>
if Hook_Finish /= null then
Hook_Finish.all (Syn_Inst, Imp);
else
raise Internal_Error;
end if;
when Iir_Predefined_Foreign_Textio_Write_Real =>
Synth_Textio_Write_Real (Syn_Inst, Imp);
when others =>
Error_Msg_Synth
(Syn_Inst, Loc, "call to implicit %n is not supported", +Imp);
end case;
exception
when File_Execution_Error =>
Elab.Debugger.Debug_Error (Syn_Inst, Loc);
end Synth_Static_Procedure;
end Synth.Vhdl_Static_Proc;
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