-- Created on: 1992-02-21
-- Created by: Arnaud BOUZY
-- Copyright (c) 1992-1999 Matra Datavision
-- Copyright (c) 1999-2014 OPEN CASCADE SAS
--
-- This file is part of Open CASCADE Technology software library.
--
-- This library is free software; you can redistribute it and/or modify it under
-- the terms of the GNU Lesser General Public License version 2.1 as published
-- by the Free Software Foundation, with special exception defined in the file
-- OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
-- distribution for complete text of the license and disclaimer of any warranty.
--
-- Alternatively, this file may be used under the terms of Open CASCADE
-- commercial license or contractual agreement.

private class Analysis from ExprIntrp 

	---Purpose: 

uses Generator from ExprIntrp,
    GeneralExpression from Expr,
    GeneralRelation from Expr,
    GeneralFunction from Expr,
    StackOfGeneralExpression from ExprIntrp,
    StackOfGeneralRelation from ExprIntrp,
    StackOfGeneralFunction from ExprIntrp,
    ListOfInteger from TColStd,
    SequenceOfGeneralExpression from Expr,
    SequenceOfNamedFunction from ExprIntrp,
    SequenceOfNamedExpression from ExprIntrp,
    NamedFunction from Expr,
    NamedExpression from Expr,
    AsciiString from TCollection,
    ListOfAsciiString from TColStd
    
is

    Create
    returns Analysis;
    
    SetMaster(me : in out; agen : Generator)
    is static;
    
    Push(me : in out; exp : GeneralExpression)
    is static;
    
    PushRelation(me : in out; rel : GeneralRelation)
    is static;
    
    PushName(me : in out; name : AsciiString)
    is static;
    
    PushValue(me : in out; degree : Integer)
    is static;
    
    PushFunction(me : in out; func : GeneralFunction)
    is static;
    
    Pop(me : in out)
    returns GeneralExpression
    is static;
    
    PopRelation(me : in out)
    returns GeneralRelation
    is static;
    
    PopName(me : in out)
    returns AsciiString
    is static;
    
    PopValue(me: in out)
    returns Integer
    is static;
    
    PopFunction(me: in out)
    returns GeneralFunction
    is static;
    
    IsExpStackEmpty(me)
    returns Boolean
    is static;
    
    IsRelStackEmpty(me)
    returns Boolean
    is static;
    
    ResetAll(me : in out)
    is static;
    
    Use(me : in out; func : NamedFunction)
    is static;

    Use(me : in out; named : NamedExpression)
    is static;
        
    GetNamed(me : in out; name : AsciiString)
    returns NamedExpression
    is static;
    
    GetFunction(me : in out; name : AsciiString)
    returns NamedFunction
    is static;
    
fields

    myGEStack : StackOfGeneralExpression;
    myGRStack : StackOfGeneralRelation;
    myGFStack : StackOfGeneralFunction;
    myNameStack : ListOfAsciiString from TColStd;
    myValueStack : ListOfInteger;
    myFunctions : SequenceOfNamedFunction;
    myNamed : SequenceOfNamedExpression;
    myMaster : Generator;
    
end Analysis;