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99 lines
3.5 KiB
Plaintext
Executable File
99 lines
3.5 KiB
Plaintext
Executable File
-- Created on: 1992-09-28
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-- Created by: Ramin BARRETO
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-- Copyright (c) 1992-1999 Matra Datavision
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-- Copyright (c) 1999-2012 OPEN CASCADE SAS
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--
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-- The content of this file is subject to the Open CASCADE Technology Public
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-- License Version 6.5 (the "License"). You may not use the content of this file
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-- except in compliance with the License. Please obtain a copy of the License
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-- at http://www.opencascade.org and read it completely before using this file.
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--
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-- The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
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-- main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
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--
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-- The Original Code and all software distributed under the License is
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-- distributed on an "AS IS" basis, without warranty of any kind, and the
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-- Initial Developer hereby disclaims all such warranties, including without
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-- limitation, any warranties of merchantability, fitness for a particular
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-- purpose or non-infringement. Please see the License for the specific terms
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-- and conditions governing the rights and limitations under the License.
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class ErrorHandler from Standard
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uses
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Failure from Standard,
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Boolean from Standard,
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Address from Standard,
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PErrorHandler from Standard,
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Type from Standard
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is
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Create returns ErrorHandler;
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--- Purpose: Create a ErrorHandler (to be used with try{}catch(){}).
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-- It uses the "setjmp" and "longjmp" routines.
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---Level: Advanced
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Destroy(me: in out);
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---Purpose: Unlinks and checks if there is a raised exception.
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---C++: alias ~
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---Level: Advanced
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Unlink(me: in out);
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---Purpose: Removes handler from the handlers list
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---Level: Advanced
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Catches(me: in out; aType: Type) returns Boolean;
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---Purpose: Returns "True" if the caught exception has the same type
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-- or inherits from "aType"
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---Level: Advanced
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Label(me: in out) returns JmpBuf from Standard;
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---Purpose: Returns label for jump
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---C++: inline
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---C++: return &
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---Level: Advanced
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Abort(myclass; theError : Failure) is private;
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---Purpose: A exception is raised but it is not yet caught.
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-- So Abort the current function and transmit the exception
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-- to "calling routines".
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-- Warning: If no catch is prepared for this exception, it displays the
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-- exception name and calls "exit(1)".
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---Level: Internal
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Error(me) returns Failure;
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---Purpose: Returns the current Error.
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LastCaughtError(myclass) returns Failure;
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---Purpose: Returns the caught exception.
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--
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---Level: Advanced
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Error(myclass; aError: Failure) is private;
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---Purpose: Set the Error which will be transmitted to "calling routines".
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---Level: Advanced
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IsInTryBlock(myclass) returns Boolean from Standard;
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---Purpose: Test if the code is currently running in a try block
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---Level: Internal
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FindHandler(myclass; theStatus: HandlerStatus from Standard;
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theUnlink: Boolean from Standard)
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returns PErrorHandler from Standard is private;
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---Purpose: Returns the current handler (Top in former implemntations)
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fields
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myPrevious : PErrorHandler from Standard;
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myCaughtError : Failure from Standard;
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myLabel : JmpBuf from Standard;
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myStatus : HandlerStatus from Standard;
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myThread : ThreadId from Standard;
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myCallbackPtr : Address from Standard;
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friends
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class Failure,
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class ErrorHandlerCallback
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end ErrorHandler from Standard;
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