void GenerateBody()
{
_registration.GenInitialization(this);
var local = _registration.GenMain(this);
if (local != null)
{
IL.Ldloc(local);
}
IL.Ret();
}
public IILLocal GenMain(IGenerationContext context)
{
var backupCtx = context.BuildContext;
context.BuildContext = _buildCtx !;
var il = context.IL;
var buildCRegLocals = context.GetSpecific <BuildCRegLocals>();
var localSingleton = buildCRegLocals.Get(this);
if (localSingleton != null)
{
return(localSingleton);
}
var localSingletons = context.GetSpecific <SingletonsLocal>().MainLocal;
var safeImplementationType = _implementationType.IsPublic ? _implementationType : typeof(object);
localSingleton = il.DeclareLocal(safeImplementationType, "singleton");
var obj = context.Container.Singletons[_singletonIndex];
if (obj != null)
{
il
.Ldloc(localSingletons !)
.LdcI4(_singletonIndex)
.LdelemRef()
.Castclass(_implementationType)
.Stloc(localSingleton);
return(localSingleton);
}
var localLockTaken = il.DeclareLocal(typeof(bool), "lockTaken");
var localLock = il.DeclareLocal(typeof(object), "lock");
var labelNull1 = il.DefineLabel();
var labelNotNull2 = il.DefineLabel();
var labelNotTaken = il.DefineLabel();
bool boolPlaceholder = false;
il
.Ldloc(localSingletons !)
.LdcI4(_singletonIndex)
.LdelemRef()
.Dup()
.Castclass(safeImplementationType)
.Stloc(localSingleton)
.Brtrue(labelNull1)
.LdcI4(0)
.Stloc(localLockTaken);
context.PushToILStack(Need.ContainerNeed);
il
.Castclass(typeof(ContainerImpl))
.Ldfld(() => default(ContainerImpl).SingletonLocks)
.LdcI4(_singletonIndex)
.LdelemRef()
.Stloc(localLock)
.Try()
.Ldloc(localLock)
.Ldloca(localLockTaken)
.Call(() => Monitor.Enter(null, ref boolPlaceholder))
.Ldloc(localSingletons)
.LdcI4(_singletonIndex)
.LdelemRef()
.Dup()
.Castclass(safeImplementationType)
.Stloc(localSingleton)
.Brtrue(labelNotNull2);
buildCRegLocals.Push();
var nestedLocal = _wrapping.GenMain(context);
if (nestedLocal != null)
{
il.Ldloc(nestedLocal);
}
buildCRegLocals.Pop();
il
.Stloc(localSingleton)
.Ldloc(localSingletons)
.LdcI4(_singletonIndex)
.Ldloc(localSingleton)
.StelemRef()
.Mark(labelNotNull2)
.Finally()
.Ldloc(localLockTaken)
.BrfalseS(labelNotTaken)
.Ldloc(localLock)
.Call(() => Monitor.Exit(null))
.Mark(labelNotTaken)
.EndTry()
.Mark(labelNull1);
buildCRegLocals.Add(this, localSingleton);
context.BuildContext = backupCtx;
return(localSingleton);
}
