public void AddKnownVariable(VCExprVar variable)
{
if (KnownVariables.Contains(variable))
{
return;
}
KnownVariables.Add(variable);
if (declHandler != null)
{
declHandler.VarDecl(variable);
}
}
public override bool Visit(VCExprVar node, bool arg)
{
Contract.Requires(node != null);
if (!BoundTermVars.Contains(node) && !KnownVariables.Contains(node))
{
string printedName = Namer.GetQuotedName(node, node.Name);
Contract.Assert(printedName != null);
RegisterType(node.Type);
string decl =
"(declare-fun " + printedName + " () " + TypeToString(node.Type) + ")";
AddDeclaration(decl);
KnownVariables.Add(node);
if (declHandler != null)
{
declHandler.VarDecl(node);
}
}
return(base.Visit(node, arg));
}