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) + ")";
if (!(printedName.StartsWith("assume$$") || printedName.StartsWith("soft$$") ||
printedName.StartsWith("try$$")))
{
AddDeclaration(decl);
}
KnownVariables.Add(node);
if (declHandler != null)
{
declHandler.VarDecl(node);
}
}
return(base.Visit(node, arg));
}
protected void AddKnownVariables(IDictionary <int, string> knownVariables)
{
foreach (var item in knownVariables)
{
KnownVariables.Add(item.Key, item.Value);
}
}
public void AddKnownVariable(VCExprVar variable)
{
if (KnownVariables.Contains(variable))
{
return;
}
KnownVariables.Add(variable);
}
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);
}
return(base.Visit(node, arg));
}
private static void AddFormulaNode(List <BaseFormulaNode> nodes, string variableName, bool isNegative)
{
// Known variable kinda Pi, E, etc...
if (KnownVariables.TryGetValue(variableName, out var value))
{
if (isNegative)
{
value *= -1;
}
var valNode = new NumberNode(value);
nodes.Add(valNode);
}
else
{
var varNode = new VariableNode(variableName, isNegative);
nodes.Add(varNode);
}
}
