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-- GHDL Run Time (GRT) stdio subprograms for GRT types.
-- Copyright (C) 2002 - 2014 Tristan Gingold
--
-- 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>.
--
-- 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.C; use Grt.C;
package body Grt.Astdio is
procedure Put (Stream : FILEs; Str : String)
is
S : size_t;
pragma Unreferenced (S);
begin
S := fwrite (Str'Address, Str'Length, 1, Stream);
end Put;
procedure Put (Stream : FILEs; C : Character)
is
R : int;
pragma Unreferenced (R);
begin
R := fputc (Character'Pos (C), Stream);
end Put;
procedure Put (Stream : FILEs; Str : Ghdl_C_String)
is
Len : Natural;
S : size_t;
pragma Unreferenced (S);
begin
Len := strlen (Str);
S := fwrite (Str (1)'Address, size_t (Len), 1, Stream);
end Put;
procedure New_Line (Stream : FILEs) is
begin
Put (Stream, Nl);
end New_Line;
procedure Put_Line (Stream : FILEs; Str : String) is
begin
Put (Stream, Str);
New_Line (Stream);
end Put_Line;
procedure Put (Str : String)
is
S : size_t;
pragma Unreferenced (S);
begin
S := fwrite (Str'Address, Str'Length, 1, stdout);
end Put;
procedure Put (C : Character)
is
R : int;
pragma Unreferenced (R);
begin
R := fputc (Character'Pos (C), stdout);
end Put;
procedure Put (Str : Ghdl_C_String)
is
Len : Natural;
S : size_t;
pragma Unreferenced (S);
begin
Len := strlen (Str);
S := fwrite (Str (1)'Address, size_t (Len), 1, stdout);
end Put;
procedure New_Line is
begin
Put (Nl);
end New_Line;
procedure Put_Line (Str : String)
is
begin
Put (Str);
New_Line;
end Put_Line;
generic
type Ntype is range <>;
Max_Len : Natural;
procedure Put_Ntype (Stream : FILEs; N : Ntype);
procedure Put_Ntype (Stream : FILEs; N : Ntype)
is
Str : String (1 .. Max_Len);
P : Natural := Str'Last;
V : Ntype;
begin
-- V is negativ.
if N > 0 then
V := -N;
else
V := N;
end if;
loop
Str (P) := Character'Val (48 - (V rem 10)); -- V is <= 0.
V := V / 10;
exit when V = 0;
P := P - 1;
end loop;
if N < 0 then
P := P - 1;
Str (P) := '-';
end if;
Put (Stream, Str (P .. Max_Len));
end Put_Ntype;
generic
type Utype is mod <>;
Max_Len : Natural;
procedure Put_Utype (Stream : FILEs; N : Utype);
procedure Put_Utype (Stream : FILEs; N : Utype)
is
Str : String (1 .. Max_Len);
P : Natural := Str'Last;
V : Utype := N;
begin
loop
Str (P) := Character'Val (48 + (V rem 10));
V := V / 10;
exit when V = 0;
P := P - 1;
end loop;
Put (Stream, Str (P .. Max_Len));
end Put_Utype;
procedure Put_I32_1 is new Put_Ntype (Ntype => Ghdl_I32, Max_Len => 11);
procedure Put_I32 (Stream : FILEs; I32 : Ghdl_I32) renames Put_I32_1;
procedure Put_U32_1 is new Put_Utype (Utype => Ghdl_U32, Max_Len => 11);
procedure Put_U32 (Stream : FILEs; U32 : Ghdl_U32) renames Put_U32_1;
procedure Put_I64_1 is new Put_Ntype (Ntype => Ghdl_I64, Max_Len => 20);
procedure Put_I64 (Stream : FILEs; I64 : Ghdl_I64) renames Put_I64_1;
procedure Put_U64_1 is new Put_Utype (Utype => Ghdl_U64, Max_Len => 20);
procedure Put_U64 (Stream : FILEs; U64 : Ghdl_U64) renames Put_U64_1;
procedure Put_F64 (Stream : FILEs; F64 : Ghdl_F64)
is
procedure Fprintf_G (Stream : FILEs;
Arg : Ghdl_F64);
pragma Import (C, Fprintf_G, "__ghdl_fprintf_g");
begin
Fprintf_G (Stream, F64);
end Put_F64;
Hex_Map : constant array (0 .. 15) of Character := "0123456789ABCDEF";
procedure Put (Stream : FILEs; Addr : System.Address)
is
Res : String (1 .. System.Word_Size / 4);
Val : Integer_Address := To_Integer (Addr);
begin
for I in reverse Res'Range loop
Res (I) := Hex_Map (Natural (Val and 15));
Val := Val / 16;
end loop;
Put (Stream, Res);
end Put;
end Grt.Astdio;
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