Integration of OCCT 6.5.0 from SVN

src/ExprIntrp/ExprIntrp_GenExp.cxx

@@ -0,0 +1,54 @@
+//static const char* sccsid = "@(#)ExprIntrp_GenExp.cxx	3.2 95/01/10"; // Do not delete this line. Used by sccs.
+// Copyright: 	Matra-Datavision 1991
+// File:	ExprIntrp_GenExp.cxx
+// Created:	Thu Aug  8 10:15:28 1991
+// Author:	Arnaud BOUZY
+//		<adn>
+
+#include <ExprIntrp_GenExp.ixx>
+#include <ExprIntrp.hxx>
+#include <ExprIntrp_yaccanal.hxx>
+#include <Standard_NoSuchObject.hxx>
+
+ExprIntrp_GenExp::ExprIntrp_GenExp ()
+{
+  done = Standard_False;
+}
+
+Handle( ExprIntrp_GenExp ) ExprIntrp_GenExp::Create()
+{
+  return new ExprIntrp_GenExp();
+}
+
+void ExprIntrp_GenExp::Process (const TCollection_AsciiString& str)
+{
+  Handle(ExprIntrp_GenExp) me = this;
+  done = Standard_False;
+  if (ExprIntrp::Parse(me,str)) {
+    if (!ExprIntrp_Recept.IsExpStackEmpty()) {
+      myExpression = ExprIntrp_Recept.Pop();
+      done = Standard_True;
+    }
+    else {
+      myExpression.Nullify();
+      done = Standard_True;
+    }
+  }
+  else {
+    myExpression.Nullify();
+  }
+}
+ 
+Standard_Boolean ExprIntrp_GenExp::IsDone() const
+{
+  return done;
+}
+
+Handle(Expr_GeneralExpression) ExprIntrp_GenExp::Expression () const
+{
+  if (!done) {
+    Standard_NoSuchObject::Raise();
+  }
+  return myExpression;
+}
+