static System.Reflection.MethodInfo VisitPow(BinaryExpression node, Expression left, Expression right, ArgumentConversions conversions)
{
var types = new Type[2] {
left.Type, right.Type
};
System.Reflection.MethodInfo method = ReflectionHelpers.MathPow;
if (left.Type.IsPrimitive || right.Type.IsPrimitive)
{
var initial = ReflectionUtils.FromSystemType(ref types);
if (!method.MatchesArgumentTypes(types, conversions))
{
ExecutionException.ThrowArgumentMisMatch(node);
}
conversions.SetInitial(initial);
return(method);
}
if (!method.MatchesArgumentTypes(types, conversions))
{
ExecutionException.ThrowArgumentMisMatch(node);
}
return(method);
}
public static InvocationExpression Call(Expression instance, System.Reflection.MethodInfo method, params Expression[] arguments)
{
NodeList <Expression> args = new NodeList <Expression>(arguments);
InvocationExpression exp = new InvocationExpression(instance, args)
{
Method = method,
Conversions = new Runtime.ArgumentConversions(args.Count),
Type = method.ReturnType
};
if (!method.MatchesArgumentTypes(args.Map(ex => ex.Type), exp.Conversions))
{
throw new InvalidOperationException("Arguments miss match");
}
return(exp);
}