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-- EMACS settings: -*- tab-width: 2; indent-tabs-mode: t -*-
-- vim: tabstop=2:shiftwidth=2:noexpandtab
-- kate: tab-width 2; replace-tabs off; indent-width 2;
-- =============================================================================
-- Authors: Patrick Lehmann
--
-- Package: File I/O-related Functions.
--
-- Description:
-- -------------------------------------
-- .. TODO:: No documentation available.
--
-- License:
-- =============================================================================
-- Copyright 2007-2016 Technische Universitaet Dresden - Germany,
-- Chair of VLSI-Design, Diagnostics and Architecture
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
-- =============================================================================
use STD.TextIO.all;
library PoC;
use PoC.my_project.all;
use PoC.utils.all;
use PoC.strings.all;
use PoC.ProtectedTypes.all;
package FileIO is
subtype T_LOGFILE_OPEN_KIND is FILE_OPEN_KIND range WRITE_MODE to APPEND_MODE;
-- Constant declarations
constant C_LINEBREAK : string;
-- ===========================================================================
type T_LOGFILE is protected
procedure OpenFile(FileName : string; OpenKind : T_LOGFILE_OPEN_KIND := WRITE_MODE);
impure function OpenFile(FileName : string; OpenKind : T_LOGFILE_OPEN_KIND := WRITE_MODE) return FILE_OPEN_STATUS;
procedure OpenFile(Status : out FILE_OPEN_STATUS; FileName : string; OpenKind : T_LOGFILE_OPEN_KIND := WRITE_MODE);
impure function IsOpen return boolean;
procedure CloseFile;
procedure Print(str : string);
procedure PrintLine(str : string := "");
procedure Flush;
-- procedure WriteLine(LineBuffer : inout LINE);
end protected;
-- ===========================================================================
type T_FILE is protected
procedure OpenFile(FileName : string; OpenKind : FILE_OPEN_KIND := WRITE_MODE);
impure function OpenFile(FileName : string; OpenKind : FILE_OPEN_KIND := WRITE_MODE) return FILE_OPEN_STATUS;
procedure OpenFile(Status : out FILE_OPEN_STATUS; FileName : string; OpenKind : FILE_OPEN_KIND := WRITE_MODE);
impure function IsOpen return boolean;
procedure CloseFile;
procedure Print(str : string);
procedure PrintLine(str : string := "");
procedure Flush;
-- procedure WriteLine(LineBuffer : inout LINE);
end protected;
type T_STDOUT is protected
procedure Print(str : string);
procedure PrintLine(str : string := "");
procedure Flush;
end protected;
end package;
package body FileIO is
constant C_LINEBREAK : string := ite(str_equal(MY_OPERATING_SYSTEM, "WINDOWS"), (CR & LF), (1 => LF));
-- ===========================================================================
file Global_LogFile : TEXT;
-- shared variable LogFile_IsOpen : P_BOOLEAN;
-- shared variable LogFile : T_LOGFILE;
-- shared variable StdOut : T_STDOUT;
-- shared variable LogFile_IsMirrored : P_BOOLEAN;
-- ===========================================================================
type T_LOGFILE is protected body
variable LineBuffer : LINE;
variable Local_IsOpen : boolean;
variable Local_FileName : string(1 to 256);
procedure OpenFile(FileName : string; OpenKind : T_LOGFILE_OPEN_KIND := WRITE_MODE) is
variable Status : FILE_OPEN_STATUS;
begin
OpenFile(Status, FileName, OpenKind);
end procedure;
impure function OpenFile(FileName : string; OpenKind : T_LOGFILE_OPEN_KIND := WRITE_MODE) return FILE_OPEN_STATUS is
variable Status : FILE_OPEN_STATUS;
begin
OpenFile(Status, FileName, OpenKind);
return Status;
end function;
procedure OpenFile(Status : out FILE_OPEN_STATUS; FileName : string; OpenKind : T_LOGFILE_OPEN_KIND := WRITE_MODE) is
variable Status_i : FILE_OPEN_STATUS;
begin
if not Local_IsOpen then
file_open(Status_i, Global_LogFile, FileName, OpenKind);
Local_IsOpen := Status_i = OPEN_OK;
Local_FileName := resize(FileName, Local_FileName'length);
Status := Status_i;
else
report "Global log file '" & str_trim(Local_FileName) & "' is already open." severity ERROR;
end if;
end procedure;
impure function IsOpen return boolean is
begin
return Local_IsOpen;
end function;
procedure CloseFile is
begin
if Local_IsOpen then
file_close(Global_LogFile);
Local_IsOpen := FALSE;
end if;
end procedure;
procedure WriteLine(LineBuffer : inout LINE) is
begin
if not Local_IsOpen then
writeline(OUTPUT, LineBuffer);
-- elsif (LogFile_IsMirrored.Get = TRUE) then
-- tee(Global_LogFile, LineBuffer);
else
writeline(Global_LogFile, LineBuffer);
end if ;
end procedure;
procedure Print(str : string) is
begin
write(LineBuffer, str);
end procedure;
procedure PrintLine(str : string := "") is
begin
write(LineBuffer, str);
WriteLine(LineBuffer);
end procedure;
procedure Flush is
begin
WriteLine(LineBuffer);
end procedure;
end protected body;
type T_FILE is protected body
file LocalFile : TEXT;
variable LineBuffer : LINE;
variable Local_IsOpen : boolean;
variable Local_FileName : string(1 to 256);
procedure OpenFile(FileName : string; OpenKind : FILE_OPEN_KIND := WRITE_MODE) is
variable Status : FILE_OPEN_STATUS;
begin
OpenFile(Status, FileName, OpenKind);
end procedure;
impure function OpenFile(FileName : string; OpenKind : FILE_OPEN_KIND := WRITE_MODE) return FILE_OPEN_STATUS is
variable Status : FILE_OPEN_STATUS;
begin
OpenFile(Status, FileName, OpenKind);
return Status;
end function;
impure function IsOpen return boolean is
begin
return Local_IsOpen;
end function;
procedure OpenFile(Status : out FILE_OPEN_STATUS; FileName : string; OpenKind : FILE_OPEN_KIND := WRITE_MODE) is
variable Status_i : FILE_OPEN_STATUS;
begin
if not Local_IsOpen then
file_open(Status_i, LocalFile, FileName, OpenKind);
Local_IsOpen := Status_i = OPEN_OK;
Local_FileName := resize(FileName, Local_FileName'length);
Status := Status_i;
else
report "File '" & str_trim(Local_FileName) & "' is already open." severity ERROR;
end if;
end procedure;
procedure CloseFile is
begin
if Local_IsOpen then
file_close(LocalFile);
Local_IsOpen := FALSE;
end if;
end procedure;
procedure WriteLine(LineBuffer : inout LINE) is
begin
if not Local_IsOpen then
report "File is not open." severity ERROR;
else
writeline(LocalFile, LineBuffer);
end if ;
end procedure;
procedure Print(str : string) is
begin
write(LineBuffer, str);
end procedure;
procedure PrintLine(str : string := "") is
begin
write(LineBuffer, str);
WriteLine(LineBuffer);
end procedure;
procedure Flush is
begin
WriteLine(LineBuffer);
end procedure;
end protected body;
type T_STDOUT is protected body
variable LineBuffer : LINE;
procedure Print(str : string) is
begin
write(LineBuffer, str);
end procedure;
procedure PrintLine(str : string := "") is
begin
write(LineBuffer, str);
writeline(OUTPUT, LineBuffer);
end procedure;
procedure Flush is
begin
writeline(OUTPUT, LineBuffer);
end procedure;
end protected body;
end package body;
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