public static MethodGroup GetMethodGroup(string name, MethodBase[] methods) {
MethodGroup res = null;
MethodBaseCache cache = new MethodBaseCache(name, methods);
lock (_functions) {
if (!_functions.TryGetValue(cache, out res)) {
_functions[cache] = res = new MethodGroup(
ArrayUtils.ConvertAll<MethodBase, MethodTracker>(
methods,
delegate(MethodBase x) {
return (MethodTracker)MemberTracker.FromMemberInfo(x);
}
)
);
}
}
return res;
}
public static MethodGroup GetMethodGroup(string name, MemberGroup mems) {
MethodGroup res = null;
MethodBase[] bases = new MethodBase[mems.Count];
MethodTracker[] trackers = new MethodTracker[mems.Count];
for (int i = 0; i < bases.Length; i++) {
trackers[i] = (MethodTracker)mems[i];
bases[i] = trackers[i].Method;
}
if (mems.Count != 0) {
MethodBaseCache cache = new MethodBaseCache(name, bases);
lock (_functions) {
if (!_functions.TryGetValue(cache, out res)) {
_functions[cache] = res = new MethodGroup(trackers);
}
}
}
return res;
}
/// <summary>
/// Binds to the methods in a method group.
/// </summary>
private static TargetInfo TryGetMethodGroupTargets(DynamicMetaObject target, DynamicMetaObject[] args, MethodGroup mthgrp) {
if (mthgrp != null) {
List<MethodBase> foundTargets = new List<MethodBase>();
foreach (MethodTracker mt in mthgrp.Methods) {
foundTargets.Add(mt.Method);
}
return new TargetInfo(null, ArrayUtils.Insert(target, args), BindingRestrictions.GetInstanceRestriction(target.Expression, mthgrp), foundTargets.ToArray());
}
return null;
}
private static BuiltinFunction GetBuiltinFunction(MethodGroup mg) {
MethodBase[] methods = new MethodBase[mg.Methods.Count];
for (int i = 0; i < mg.Methods.Count; i++) {
methods[i] = mg.Methods[i].Method;
}
return PythonTypeOps.GetBuiltinFunction(
mg.DeclaringType,
mg.Methods[0].Name,
(PythonTypeOps.GetMethodFunctionType(mg.DeclaringType, methods) & (~FunctionType.FunctionMethodMask)) |
(mg.ContainsInstance ? FunctionType.Method : FunctionType.None) |
(mg.ContainsStatic ? FunctionType.Function : FunctionType.None),
mg.GetMethodBases()
);
}
private static Expression ReturnMethodGroup(MethodGroup methodGroup) {
return Ast.Constant(PythonTypeOps.GetFinalSlotForFunction(GetBuiltinFunction(methodGroup)));
}
/// <summary>
/// Returns a BuiltinFunction bound to the provided type arguments. Returns null if the binding
/// cannot be performed.
/// </summary>
public MethodGroup MakeGenericMethod(Type[] types)
{
TypeList tl = new TypeList(types);
// check for cached method first...
MethodGroup mg;
if (_boundGenerics != null) {
lock (_boundGenerics) {
if (_boundGenerics.TryGetValue(tl, out mg)) {
return mg;
}
}
}
// Search for generic targets with the correct arity (number of type parameters).
// Compatible targets must be MethodInfos by definition (constructors never take
// type arguments).
List<MethodTracker> targets = new List<MethodTracker>(Methods.Count);
foreach (MethodTracker mt in Methods) {
MethodInfo mi = mt.Method;
if (mi.ContainsGenericParameters && mi.GetGenericArguments().Length == types.Length)
targets.Add((MethodTracker)MemberTracker.FromMemberInfo(mi.MakeGenericMethod(types)));
}
if (targets.Count == 0) {
return null;
}
// Build a new MethodGroup that will contain targets with bound type arguments & cache it.
mg = new MethodGroup(targets.ToArray());
EnsureBoundGenericDict();
lock (_boundGenerics) {
_boundGenerics[tl] = mg;
}
return mg;
}
/// <summary>
/// Binds to the methods in a method group.
/// </summary>
private static TargetInfo TryGetMethodGroupTargets(DynamicMetaObject target, DynamicMetaObject[] args, MethodGroup mthgrp)
{
if (mthgrp != null)
{
List <MethodBase> foundTargets = new List <MethodBase>();
foreach (MethodTracker mt in mthgrp.Methods)
{
foundTargets.Add(mt.Method);
}
return(new TargetInfo(null, ArrayUtils.Insert(target, args), BindingRestrictions.GetInstanceRestriction(target.Expression, mthgrp), foundTargets.ToArray()));
}
return(null);
}
