private Expr GenerateZ3ToExpr(Value expr, RankedAlphabetSort outputAlph)
{
switch (expr.sort.kind)
{
case (FastSortKind.Bool):
{
if (expr.token.Kind == Tokens.TRUE)
return z3p.True;
if (expr.token.Kind == Tokens.FALSE)
return z3p.False;
break;
}
case (FastSortKind.Int):
{
return z3p.MkInt(Convert.ToInt32(expr.token.text));
}
case (FastSortKind.Real):
{
return z3p.Z3.MkReal(expr.token.text);
}
case (FastSortKind.String):
{
return z3p.MkListFromString(expr.token.text.Substring(1, expr.token.text.Length - 2), z3p.CharSort);
}
case (FastSortKind.Tree):
{
String[] lr = expr.token.text.Split('.');
return z3p.GetEnumElement(lr[0], lr[1]);
}
}
throw new Exception("Unexpected Sort");
}
private Expr GenerateZ3WhereExpr(Value expr, FastTransducerInstance fti)
{
switch (expr.sort.kind)
{
case (FastSortKind.Char):
{
return z3p.MkNumeral(expr.token.ToInt(), z3p.CharSort);
}
case (FastSortKind.Bool):
{
if (expr.token.Kind == Tokens.TRUE)
return z3p.True;
if (expr.token.Kind == Tokens.FALSE)
return z3p.False;
break;
}
case (FastSortKind.Int):
{
return z3p.MkInt(expr.token.ToInt());
}
case (FastSortKind.Real):
{
String[] parts = expr.token.text.Split('.');
if (parts.Length == 2 && Regex.IsMatch(parts[1],"[0]+"))
{
return z3p.Z3.MkReal(parts[0]);
}
return z3p.Z3.MkReal(expr.token.text);
}
case (FastSortKind.String):
{
return z3p.MkListFromString(expr.token.text.Substring(1, expr.token.text.Length - 2), z3p.CharSort);
}
case (FastSortKind.Tree):
{
String[] lr = expr.token.text.Split('.');
return z3p.GetEnumElement(lr[0], lr[1]);
}
}
throw new Exception("Unexpected Sort");
}
//Generates the code for a Value expression
private static bool PrintExpr(List<FastToken> children, Value ex, StringBuilder sb)
{
if (ex.token.text.Split('/').Length==2)
sb.Append(" ((double)" + ex.token.text + ") ");
else
sb.Append(" " + ex.token.text + " ");
return true;
}