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The copying permission statements at the beginning of source files updated to refer to LGPL. Copyright dates extended till 2014 in advance.
64 lines
1.8 KiB
Plaintext
64 lines
1.8 KiB
Plaintext
-- Created on: 1991-07-18
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-- Created by: Arnaud BOUZY
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-- Copyright (c) 1991-1999 Matra Datavision
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-- Copyright (c) 1999-2014 OPEN CASCADE SAS
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--
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-- This file is part of Open CASCADE Technology software library.
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--
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-- This library is free software; you can redistribute it and / or modify it
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-- under the terms of the GNU Lesser General Public version 2.1 as published
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-- by the Free Software Foundation, with special exception defined in the file
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-- OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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-- distribution for complete text of the license and disclaimer of any warranty.
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--
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-- Alternatively, this file may be used under the terms of Open CASCADE
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-- commercial license or contractual agreement.
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class GenExp from ExprIntrp inherits Generator from ExprIntrp
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---Purpose: This class permits, from a string, to create any
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-- kind of expression of package Expr by using
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-- built-in functions such as Sin,Cos, etc, and by
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-- creating variables.
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uses GeneralExpression from Expr,
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AsciiString from TCollection
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raises NoSuchObject
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is
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Create
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---Purpose: Creates an empty generator
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---Level: Advanced
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returns mutable GenExp is private;
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Create( myclass ) returns GenExp;
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Process(me : mutable; str : AsciiString)
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---Purpose: Processes given string.
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---Level: Advanced
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is static;
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IsDone(me)
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---Purpose: Returns false if any syntax error has occurred during
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-- process.
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---Level: Advanced
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returns Boolean
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is static;
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Expression(me)
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---Purpose: Returns expression generated. Raises an exception if
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-- IsDone answers false.
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---Level: Advanced
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returns any GeneralExpression
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raises NoSuchObject
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is static;
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fields
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done : Boolean;
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myExpression : GeneralExpression;
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end GenExp;
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