private static Expression GetMemberInvocaton(Base v, Scope scope, MemberBinder binder, SimpleBinder simple)
{
var value = v as Value;
Expression memberObject;
if (value != null && value.Properties.Count > 0)
{
var last = value.Properties.Last() as Access;
Helper.IsNotNull(last);
var nameLit = last.Name as Literal;
Helper.IsNotNull(nameLit);
value.Properties.Remove(last);
memberObject = Compile(value, scope);
return binder(memberObject, nameLit.Value);
}
memberObject = Compile(v, scope);
return simple(memberObject);
}
public static void Go()
{
Object o = new SomeType();
Type t = typeof(SomeType);
SimpleBinder binder = new SimpleBinder();
BindingFlags bf = BindingFlags.Public | BindingFlags.Instance;
Int16 b = 5;
// Calls Void v(Int32)
t.InvokeMember("v", bf | BindingFlags.InvokeMethod, binder, o, new Object[] { b });
// Calls Void m(Int32)
t.InvokeMember("m", bf | BindingFlags.InvokeMethod, binder, o, new Object[] { 1 });
// Calls Void m(System.Object)
t.InvokeMember("m", bf | BindingFlags.InvokeMethod, binder, o, new Object[] { new Object() });
// Calls Void m(Double)
t.InvokeMember("m", bf | BindingFlags.InvokeMethod, binder, o, new Object[] { 1.4 });
// Calls Void m(SomeType)
t.InvokeMember("m", bf | BindingFlags.InvokeMethod, binder, o, new Object[] { o });
// Calls Void m(System.Object) since m(String) is private
t.InvokeMember("m", bf | BindingFlags.InvokeMethod, binder, o, new Object[] { "string" });
// Calls Void m(System.String) since NonPublic is specified
t.InvokeMember("m", bf | BindingFlags.NonPublic | BindingFlags.InvokeMethod, binder, o, new Object[] { "string" });
try {
// Throws because there is no public method which takes exactly a string
t.InvokeMember("m", bf | BindingFlags.InvokeMethod | BindingFlags.ExactBinding, binder, o, new Object[] { "string" });
}
catch (MissingMethodException) {
Console.WriteLine("Invocation failed on m(String), bad binding flags - ExactBinding too restrictive");
}
try {
// Throws because there is no method g which takes only 2 args
t.InvokeMember("g", bf | BindingFlags.InvokeMethod, binder, o, new Object[] { 1, "string" });
}
catch (MissingMethodException) {
Console.WriteLine("Invocation failed on g(int, Object, String), wrong number of args");
}
// Calls Void g(Int32, System.Object, System.String)
t.InvokeMember("g", bf | BindingFlags.InvokeMethod, binder, o, new Object[] { 1, "string", "string" });
// Calls Void h()
t.InvokeMember("h", bf | BindingFlags.NonPublic | BindingFlags.InvokeMethod, binder, o, new Object[] { });
try {
// Throws because BindingFlags.Static has not been specified
t.InvokeMember("s", bf | BindingFlags.InvokeMethod, binder, o, new Object[] { });
}
catch (MissingMethodException) {
Console.WriteLine("Invocation failed on static s(), bad binding flags - need Static");
}
// Calls Void s()
t.InvokeMember("s", bf | BindingFlags.InvokeMethod | BindingFlags.Static, binder, o, new Object[] { });
// Calls Void m(Int32, Double)
t.InvokeMember("m", bf | BindingFlags.InvokeMethod, binder, o, new Object[] { 1, 1 });
Console.WriteLine("Press <Enter> to exit.");
Console.ReadLine();
}
