2008-04-12 11:48:18 +02:00
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{utf8}
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2007-08-29 11:16:31 +02:00
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unit System;
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{$i _defines.inc}
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{$define HAS_CMDLINE}
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interface
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{$i systemh.inc}
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{$i kos_def.inc}
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{$i kosh.inc}
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const
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LineEnding = #13#10;
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LFNSupport = True;
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DirectorySeparator = '/';
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DriveSeparator = '/';
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PathSeparator = ';';
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MaxExitCode = 65535;
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MaxPathLen = 512;
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2019-04-10 08:10:13 +02:00
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InitialStkLen = 20480; /// siemargl
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2007-08-29 11:16:31 +02:00
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UnusedHandle : THandle = -1;
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StdInputHandle : THandle = 0;
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StdOutputHandle: THandle = 0;
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StdErrorHandle : THandle = 0;
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FileNameCaseSensitive: Boolean = True;
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CtrlZMarksEOF: Boolean = True;
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sLineBreak = LineEnding;
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DefaultTextLineBreakStyle: TTextLineBreakStyle = tlbsCRLF;
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var
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Argc: Longint = 0;
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Argv: PPChar = nil;
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Konsole: TKonsole;
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implementation
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var
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SysInstance: Longint; public name '_FPC_SysInstance';
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{$i system.inc}
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procedure SetupCmdLine;
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var
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Ptrs: array of PChar;
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Args: PChar;
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InQuotes: Boolean;
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I, L: Longint;
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begin
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Argc := 1;
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Args := PKosHeader(0)^.args;
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if Assigned(Args) then
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begin
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while Args^ <> #0 do
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begin
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2008-04-12 11:48:18 +02:00
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{Пропустить лидирующие пробелы}
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2007-08-29 11:16:31 +02:00
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while Args^ in [#1..#32] do Inc(Args);
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if Args^ = #0 then Break;
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2008-04-12 11:48:18 +02:00
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{Запомнить указатель на параметр}
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2007-08-29 11:16:31 +02:00
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SetLength(Ptrs, Argc);
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Ptrs[Argc - 1] := Args;
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Inc(Argc);
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2008-04-12 11:48:18 +02:00
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{Пропустить текущий параметр}
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2007-08-29 11:16:31 +02:00
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InQuotes := False;
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while (Args^ <> #0) and (not (Args^ in [#1..#32]) or InQuotes) do
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begin
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if Args^ = '"' then InQuotes := not InQuotes;
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Inc(Args);
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end;
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2008-04-12 11:48:18 +02:00
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{Установить окончание параметра}
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2007-08-29 11:16:31 +02:00
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if Args^ in [#1..#32] then
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begin
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Args^ := #0;
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Inc(Args);
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end;
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end;
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end;
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2008-04-12 11:48:18 +02:00
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Argv := GetMem(Argc * SizeOf(PChar)); {XXX: память не освобождается}
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2007-08-29 11:16:31 +02:00
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Argv[0] := PKosHeader(0)^.path;
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for I := 1 to Argc - 1 do
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begin
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Argv[I] := Ptrs[I - 1];
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2008-04-12 11:48:18 +02:00
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{Исключить кавычки из строки}
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2007-08-29 11:16:31 +02:00
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Args := Argv[I];
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L := 0;
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while Args^ <> #0 do begin Inc(Args); Inc(L); end;
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Args := Argv[I];
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while Args^ <> #0 do
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begin
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if Args^ = '"' then
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begin
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Move(PChar(Args + 1)^, Args^, L);
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Dec(L);
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end;
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Inc(Args);
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Dec(L);
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end;
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end;
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end;
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function ParamCount: Longint;
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begin
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Result := Argc - 1;
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end;
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function ParamStr(L: Longint): String;
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begin
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if (L >= 0) and (L < Argc) then
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Result := StrPas(Argv[L]) else
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Result := '';
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end;
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procedure Randomize;
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begin
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2008-04-12 11:48:18 +02:00
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randseed := kos_timecounter();
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2007-08-29 11:16:31 +02:00
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end;
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const
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ProcessID: SizeUInt = 0;
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function GetProcessID: SizeUInt;
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begin
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GetProcessID := ProcessID;
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end;
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function CheckInitialStkLen(stklen: SizeUInt): SizeUInt;
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begin
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{TODO}
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Result := stklen;
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end;
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{$i kos_stdio.inc}
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procedure SysInitStdIO;
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begin
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if IsConsole then
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begin
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AssignStdin(Input);
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AssignStdout(Output);
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AssignStdout(ErrOutput);
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AssignStdout(StdOut);
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AssignStdout(StdErr);
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end;
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end;
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procedure System_Exit; [public, alias: 'SystemExit'];
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var
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event, count: DWord;
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begin
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if IsConsole then
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begin
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if ExitCode <> 0 then
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begin
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2008-04-12 11:48:18 +02:00
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{XXX: обязательное условие на однопоточный Konsole}
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2007-08-29 11:16:31 +02:00
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Write(StdErr, '[Error #', ExitCode,', press any key]');
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2008-04-12 11:48:18 +02:00
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{ожидать нажатия клавиши}
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2007-08-29 11:16:31 +02:00
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Konsole.KeyPressed;
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while Konsole.KeyPressed = 0 do kos_delay(2);
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2008-04-12 11:48:18 +02:00
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{TODO: исправить косяк при перерисовке Konsole}
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{это невозможно, так как куча освобождается еще до вызова этой процедуры}
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{можно написать свой диспетчер памяти, но это сложно}
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{а если в Konsole использовать выделение памяти напрямую через KosAPI?!}
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2007-08-29 11:16:31 +02:00
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end;
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Close(StdErr);
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Close(StdOut);
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Close(ErrOutput);
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Close(Input);
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Close(Output);
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Konsole.Done();
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end;
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asm
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movl $-1, %eax
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int $0x40
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end;
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end;
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{$i kos.inc}
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begin
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SysResetFPU;
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StackLength := CheckInitialStkLen(InitialStkLen);
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StackBottom := Pointer(StackTop - StackLength);
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kos_initheap();
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2007-10-27 18:38:51 +02:00
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InitHeap;
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2007-08-29 11:16:31 +02:00
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SysInitExceptions;
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FPC_CpuCodeInit();
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InOutRes := 0;
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InitSystemThreads;
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2007-10-27 18:38:51 +02:00
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if IsConsole then
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Konsole.Init();
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2007-08-29 11:16:31 +02:00
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SysInitStdIO;
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SetupCmdLine;
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InitVariantManager;
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{InitWideStringManager;}
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DispCallByIDProc := @DoDispCallByIDError;
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end.
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