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| ///////////////////////////////////////////////////////////////////////////
// //
// Copyright (c) 2015 by Charta Software B.V. //
// All rights reserved //
// //
// Version: 1.7.0.83525 //
// Web site: https://pascal.chartasoftware.com/ //
// //
// This code and information are provided "as is" without warranty of //
// any kind. Dissemination of this information or reproduction of //
// this material is strictly forbidden unless prior written permission //
// is obtained from Charta Software B.V.. //
// //
///////////////////////////////////////////////////////////////////////////
unit Exception;
interface
//{$DEFINE UseStackTraces}
uses
{$IF not Defined(CHARTA_PASCAL)}
{$IF not Defined(FPC)}System.SysUtils{$ELSE}SysUtils{$ENDIF},
{$ENDIF}
Integer._32.Positive
{$IF not Defined(CHARTA_PASCAL)},
Text
{$ENDIF};
{$IF not Defined(CHARTA_PASCAL)}
type
EException = {$IF not Defined(FPC)}System.SysUtils{$ELSE}SysUtils{$ENDIF}.Exception;
EAbstractMethodCalled = {$IF not Defined(FPC)}System.SysUtils{$ELSE}SysUtils{$ENDIF}.EAbstractError;
EExceptionHelper = class helper for EException
public
constructor Create(const Message: TText); overload; virtual;
end;
{$ELSE}
type
EException = class(TObject)
public
Message: String;
constructor Create(const Message: String); virtual;
end;
EAbstractMethodCalled = class(EException);
threadvar
CurrentException: EException; // TODO: We should support nested exceptions
{$ENDIF}
type
TExceptionClass = class of EException;
EExternal = class(EException)
public
Code: TPositiveInteger32;
end;
function AcquireCurrentException(): EException;
implementation
{$IF Defined(UseStackTraces)}
uses
Exception.StackTrace;
{$ENDIF}
{$IF Defined(CHARTA_PASCAL)}
function AcquireCurrentException(): EException;
begin
Result := CurrentException;
end;
{ EException }
constructor EException.Create(const Message: String);
begin
inherited Create();
Self.Message := Message;
end;
{$ELSE}
function AcquireCurrentException(): EException;
begin
Result := EException(AcquireExceptionObject());
end;
{ EExceptionHelper }
constructor EExceptionHelper.Create(const Message: TText);
begin
Create(String(Message));
end;
{$ENDIF}
end.
|