public CommandResult Execute(ConstantDeclaration declaration)
{
var constantSymbol = (Constant)declaration.Symbols.Single(s => s is Constant);
if (ConstantsTable.ContainsKey(constantSymbol))
{
throw new Exception("Already defined");
}
var romanSymbol = (Roman)declaration.Symbols.Single(s => s is Roman);
ConstantsTable.Add(constantSymbol, romanSymbol);
return(new CommandResult
{
ResultText = String.Format("Information Registred: \"{0}\"", declaration),
Sucess = true
});
}
public void SaveToConstantTable(Expression constant, Expression roman)
{
ConstantsTable.Add(constant, roman);
}