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973c2be1e1
The copying permission statements at the beginning of source files updated to refer to LGPL. Copyright dates extended till 2014 in advance.
64 lines
1.6 KiB
C++
64 lines
1.6 KiB
C++
// Created on: 1991-08-08
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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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#include <ExprIntrp_GenExp.ixx>
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#include <ExprIntrp.hxx>
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#include <ExprIntrp_yaccanal.hxx>
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#include <Standard_NoSuchObject.hxx>
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ExprIntrp_GenExp::ExprIntrp_GenExp ()
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{
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done = Standard_False;
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}
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Handle( ExprIntrp_GenExp ) ExprIntrp_GenExp::Create()
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{
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return new ExprIntrp_GenExp();
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}
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void ExprIntrp_GenExp::Process (const TCollection_AsciiString& str)
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{
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Handle(ExprIntrp_GenExp) me = this;
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done = Standard_False;
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if (ExprIntrp::Parse(me,str)) {
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if (!ExprIntrp_Recept.IsExpStackEmpty()) {
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myExpression = ExprIntrp_Recept.Pop();
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done = Standard_True;
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}
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else {
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myExpression.Nullify();
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done = Standard_True;
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}
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}
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else {
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myExpression.Nullify();
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}
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}
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Standard_Boolean ExprIntrp_GenExp::IsDone() const
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{
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return done;
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}
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Handle(Expr_GeneralExpression) ExprIntrp_GenExp::Expression () const
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{
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if (!done) {
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Standard_NoSuchObject::Raise();
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}
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return myExpression;
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}
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