protected override Expression Bind()
{
var frameBinder = new CallFrameBinder();
var cases = from method in Methods
select CreateCallEmitter(method, frameBinder).Bind();
var defaultCase = Throw(Expressions.ThrowInvalidConversion(), typeof(iObject));
return(Block(
typeof(iObject),
frameBinder,
Assign(frameBinder.Instance, CallFrame.Expressions.Instance(CallFrame.Expressions.Current())),
Assign(frameBinder.Bundle, CallFrame.Expressions.Arguments(CallFrame.Expressions.Current())),
Switch(typeof(iObject), Constant(true), defaultCase, null, cases)
));
}
protected override Expression Bind()
{
var frameBinder = new CallFrameBinder();
var method = Property(Constant(Lambda), nameof(Lambda.Method));
var bundle = CallFrame.Expressions.Arguments(CallFrame.Expressions.Current());
var instance = CallFrame.Expressions.Instance(CallFrame.Expressions.Current()).Cast(Lambda.InstanceType);
var convertedArgs =
from p in Lambda.Method.Parameters
select ConvertArgument(frameBinder.Arguments, p);
var arguments = new[] { instance }.Concat(convertedArgs);
return(Block(
new[] { frameBinder.Arguments },
Assign(frameBinder.Arguments, ArgumentBundle.Expressions.Bind(bundle, method)),
Box(Invoke(Constant(Lambda.Lambda), arguments))
));
}
private static CallEmitter CreateCallEmitter(MethodMetadata method,
CallFrameBinder frameBinder)
=> method.IsStatic
? new StaticCallEmitter(method, frameBinder)
: new InstanceCallEmitter(method, frameBinder);
public InstanceCallEmitter(MethodMetadata method, CallFrameBinder frame)
{
Method = method;
Frame = frame;
}
public StaticCallEmitter(MethodMetadata method, CallFrameBinder frame)
: base(method, frame)
{
}