public override void SetValue(Constant value)
{
if (value is VoidValue)
{
throw new ModelInterpreterException("Невозможно присвоить Void");
}
ModelInterpreter.GetInstanse().variableTable[key] = value;
}
//Done
static public ModelInterpreter GetInstanse()
{
if (instance == null)
{
instance = new ModelInterpreter();
}
return(instance);
}
public override Constant GetRValue()
{
try
{
Constant obj = ModelInterpreter.GetInstanse().variableTable[key];
return(obj);
}
catch (KeyNotFoundException)
{
throw new Exception($"Неопределённая переменная \"{key}\"");
}
}
private static Constant Print(List <Constant> args)
{
string result = "";
try
{
foreach (var arg in args)
{
result += (arg as StringValue).Value;
}
}
catch (TypeConversionError err)
{
throw new Exception($"Невозможно преобразовать аргумент в функции \"print\" из \"{err.Src}\" в \"{err.Dst}\"");
}
ModelInterpreter.GetInstanse().AddOutput(result);
return(new VoidValue());
}