void IILCode.Generate(ILExpressed il)
{
var instanceIsValueType = _instance != null && _instance.ParameterType != null && _instance.ParameterType.IsValueType;
if (_instance != null) {
if (instanceIsValueType)
_instance.LoadAddress(il);
else
_instance.Load(il);
}
for (var i = 0; i < _parameters.Length; i++) {
var parameter = (IILCodeParameter) _parameters[i] ?? ILCodeParameter.Null;
var methodParameter = _methodParameters[i];
if (methodParameter.IsOut)
parameter.LoadAddress(il);
else
parameter.Load(il);
}
if (_method.IsStatic || instanceIsValueType)
il.Call(_method);
else
il.CallVirt(_method);
}
void IILCode.Generate(ILExpressed il)
{
var variableType = il.TypeCache.Extend(_enumerable.ParameterType);
var collectionContainer = variableType.Container.AsCollection();
if (collectionContainer == null)
throw new InvalidOperationException("Could not enumerate the type " + variableType.Ref.FullName);
var elementType = collectionContainer.ElementType;
il.Var.Load(_enumerable);
var enumerableType = typeof(IEnumerable<>).MakeGenericType(elementType);
var getEnumeratorMethod = enumerableType.GetMethod("GetEnumerator");
il.CallVirt(getEnumeratorMethod);
var enumeratorType = typeof(IEnumerator<>).MakeGenericType(elementType);
var itLocal = il.DeclareLocal("it", enumeratorType);
il.Var.Set(itLocal);
il.Try();
var itHeadLabel = il.DefineLabel();
var itBodyLabel = il.DefineLabel();
il.TransferLong(itHeadLabel);
var itVarLocal = il.DeclareLocal("cv", elementType);
var getCurrentMethod = enumeratorType.GetProperty("Current").GetGetMethod();
il.MarkLabel(itBodyLabel);
il.Var.Load(itLocal);
il.Call(getCurrentMethod);
il.Var.Set(itVarLocal);
_iterateBody.Invoke(il, itVarLocal);
il.MarkLabel(itHeadLabel);
il.Var.Load(itLocal);
il.CallVirt(EnumeratorMoveNext);
il.TransferLongIfTrue(itBodyLabel);
il.Finally();
il.Var.Load(itLocal);
il.LoadNull();
il.CompareEquals();
var endLabel = il.DefineLabel();
il.TransferLongIfTrue(endLabel);
il.Var.Load(itLocal);
il.CallVirt(DisposableDispose);
il.MarkLabel(endLabel);
il.EndTry();
}
protected override void OnSet(ILExpressed il)
{
if (_instance.VariableType.IsValueType)
il.Var.LoadAddress(_instance);
else
il.Var.Load(_instance);
if (VariableType.IsValueType)
il.Call(_info.GetSetMethod());
else
il.CallVirt(_info.GetSetMethod());
}
