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94 lines
2.8 KiB
C++
Executable File
94 lines
2.8 KiB
C++
Executable File
// Created on: 1991-04-15
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// Created by: Arnaud BOUZY
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// Copyright (c) 1991-1999 Matra Datavision
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// Copyright (c) 1999-2012 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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#include <Expr_UnaryExpression.ixx>
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#include <Expr_NamedUnknown.hxx>
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#include <Expr_InvalidOperand.hxx>
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#include <Standard_OutOfRange.hxx>
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void Expr_UnaryExpression::SetOperand (const Handle(Expr_GeneralExpression)& exp)
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{
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Handle(Expr_UnaryExpression) me = this;
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if (exp == me) {
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Expr_InvalidOperand::Raise();
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}
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if (exp->Contains(me)) {
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Expr_InvalidOperand::Raise();
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}
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myOperand = exp;
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}
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void Expr_UnaryExpression::CreateOperand (const Handle(Expr_GeneralExpression)& exp)
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{
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myOperand = exp;
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}
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Standard_Integer Expr_UnaryExpression::NbSubExpressions () const
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{
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return 1;
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}
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const Handle(Expr_GeneralExpression)& Expr_UnaryExpression::SubExpression (const Standard_Integer I) const
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{
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if (I != 1) {
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Standard_OutOfRange::Raise();
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}
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return myOperand;
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}
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Standard_Boolean Expr_UnaryExpression::ContainsUnknowns () const
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{
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if (!myOperand->IsKind(STANDARD_TYPE(Expr_NamedUnknown))) {
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return myOperand->ContainsUnknowns();
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}
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return Standard_True;
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}
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Standard_Boolean Expr_UnaryExpression::Contains (const Handle(Expr_GeneralExpression)& exp) const
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{
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if (myOperand != exp) {
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return myOperand->Contains(exp);
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}
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return Standard_True;
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}
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void Expr_UnaryExpression::Replace (const Handle(Expr_NamedUnknown)& var, const Handle(Expr_GeneralExpression)& with)
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{
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if (myOperand == var) {
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SetOperand(with);
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}
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else {
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if (myOperand->Contains(var)) {
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myOperand->Replace(var,with);
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}
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}
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}
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Handle(Expr_GeneralExpression) Expr_UnaryExpression::Simplified() const
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{
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Handle(Expr_UnaryExpression) cop = Handle(Expr_UnaryExpression)::DownCast(Copy());
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Handle(Expr_GeneralExpression) op = cop->Operand();
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cop->SetOperand(op->Simplified());
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return cop->ShallowSimplified();
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}
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