// TODO accept string
public Complex(iObject real, iObject imag) : base(Class.COMPLEX)
{
if (NilClass.IsNil(real) || NilClass.IsNil(imag))
{
throw new TypeError("can't convert nil into Complex");
}
if (!real.IsA(Class.INTEGER) && !real.IsA(Class.FLOAT))
{
throw new TypeError($"can't convert {real.Class} into Complex");
}
if (!imag.IsA(Class.INTEGER) && !imag.IsA(Class.FLOAT))
{
throw new TypeError($"can't convert {imag.Class} into Complex");
}
Real = real;
Imag = imag;
}
public iObject Visit(Ast <Token> ast)
{
if (ast.IsList)
{
iObject result = new NilClass();
foreach (var child in ast.List)
{
result = child.Accept(this);
}
return(result);
}
try
{
return(Actions[ast.Value.Type](ast));
}
catch (KeyNotFoundException e)
{
throw new ArgumentException($"Token type {ast.Value.Type} not registered.", "ast", e);
}
}