public int Execute(Frame frame)
{
RedwoodType leftType = leftKnownType ?? RuntimeUtil.GetTypeOf(frame.stack[leftIndex]);
RedwoodType rightType = rightKnownType ?? RuntimeUtil.GetTypeOf(frame.stack[rightIndex]);
string lambdaName = RuntimeUtil.NameForOperator(op);
Lambda leftLambda;
Lambda rightLambda;
leftLambda = ResolveLambda(leftType, lambdaName);
rightLambda = ResolveLambda(rightType, lambdaName);
Lambda lambda = RuntimeUtil.CanonicalizeLambdas(leftLambda, rightLambda);
lambda = RuntimeUtil.SelectSingleOverload(
new RedwoodType[] { leftType, rightType },
lambda
);
frame.result = lambda;
return(1);
Lambda ResolveLambda(RedwoodType type, string lambdaName)
{
Lambda lambda;
if (type.CSharpType == null)
{
int slot = type.staticSlotMap.GetValueOrDefault(lambdaName, -1);
if (slot == -1)
{
lambda = null;
}
else
{
lambda = type.staticLambdas[slot];
}
}
else
{
MemberResolver.TryResolveLambda(null, type, lambdaName, out lambda);
}
return(lambda);
}
}