1 // Created on: 1991-04-15
2 // Created by: Arnaud BOUZY
3 // Copyright (c) 1991-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
18 #include <Expr_GeneralExpression.hxx>
19 #include <Expr_InvalidOperand.hxx>
20 #include <Expr_NamedUnknown.hxx>
21 #include <Expr_UnaryExpression.hxx>
22 #include <Standard_NumericError.hxx>
23 #include <Standard_OutOfRange.hxx>
24 #include <Standard_Type.hxx>
26 IMPLEMENT_STANDARD_RTTIEXT(Expr_UnaryExpression,Expr_GeneralExpression)
28 void Expr_UnaryExpression::SetOperand (const Handle(Expr_GeneralExpression)& exp)
30 Handle(Expr_UnaryExpression) me = this;
32 throw Expr_InvalidOperand();
34 if (exp->Contains(me)) {
35 throw Expr_InvalidOperand();
40 void Expr_UnaryExpression::CreateOperand (const Handle(Expr_GeneralExpression)& exp)
45 Standard_Integer Expr_UnaryExpression::NbSubExpressions () const
50 const Handle(Expr_GeneralExpression)& Expr_UnaryExpression::SubExpression (const Standard_Integer I) const
53 throw Standard_OutOfRange();
58 Standard_Boolean Expr_UnaryExpression::ContainsUnknowns () const
60 if (!myOperand->IsKind(STANDARD_TYPE(Expr_NamedUnknown))) {
61 return myOperand->ContainsUnknowns();
66 Standard_Boolean Expr_UnaryExpression::Contains (const Handle(Expr_GeneralExpression)& exp) const
68 if (myOperand != exp) {
69 return myOperand->Contains(exp);
74 void Expr_UnaryExpression::Replace (const Handle(Expr_NamedUnknown)& var, const Handle(Expr_GeneralExpression)& with)
76 if (myOperand == var) {
80 if (myOperand->Contains(var)) {
81 myOperand->Replace(var,with);
87 Handle(Expr_GeneralExpression) Expr_UnaryExpression::Simplified() const
89 Handle(Expr_UnaryExpression) cop = Handle(Expr_UnaryExpression)::DownCast(Copy());
90 Handle(Expr_GeneralExpression) op = cop->Operand();
91 cop->SetOperand(op->Simplified());
92 return cop->ShallowSimplified();