public void GenerateSave(IILGen ilGenerator, Action<IILGen> pushWriter, Action<IILGen> pushCtx,
Action<IILGen> pushValue, Type saveType)
{
var notnull = ilGenerator.DefineLabel();
var completeFinish = ilGenerator.DefineLabel();
var notDictionary = ilGenerator.DefineLabel();
var keyType = saveType.GetGenericArguments()[0];
var valueType = saveType.GetGenericArguments()[1];
var typeAsIDictionary = typeof(IDictionary<,>).MakeGenericType(keyType, valueType);
var typeAsICollection = typeAsIDictionary.GetInterface("ICollection`1");
var localDict = ilGenerator.DeclareLocal(typeAsIDictionary);
ilGenerator
.Do(pushValue)
.Castclass(typeAsIDictionary)
.Stloc(localDict)
.Ldloc(localDict)
.Brtrue(notnull)
.Do(pushWriter)
.Callvirt(() => default(AbstractBufferedWriter).WriteByteZero())
.Br(completeFinish)
.Mark(notnull)
.Do(pushWriter)
.Ldloc(localDict)
.Callvirt(typeAsICollection.GetProperty("Count").GetGetMethod())
.LdcI4(1)
.Add()
.Callvirt(() => default(AbstractBufferedWriter).WriteVUInt32(0));
{
var typeAsDictionary = typeof(Dictionary<,>).MakeGenericType(keyType, valueType);
var getEnumeratorMethod = typeAsDictionary.GetMethods()
.Single(m => m.Name == "GetEnumerator" && m.ReturnType.IsValueType && m.GetParameters().Length == 0);
var typeAsIEnumerator = getEnumeratorMethod.ReturnType;
var currentGetter = typeAsIEnumerator.GetProperty("Current").GetGetMethod();
var typeKeyValuePair = currentGetter.ReturnType;
var localEnumerator = ilGenerator.DeclareLocal(typeAsIEnumerator);
var localPair = ilGenerator.DeclareLocal(typeKeyValuePair);
var finish = ilGenerator.DefineLabel();
var next = ilGenerator.DefineLabel();
ilGenerator
.Ldloc(localDict)
.Castclass(typeAsDictionary)
.Brfalse(notDictionary)
.Ldloc(localDict)
.Castclass(typeAsDictionary)
.Callvirt(getEnumeratorMethod)
.Stloc(localEnumerator)
.Try()
.Mark(next)
.Ldloca(localEnumerator)
.Call(typeAsIEnumerator.GetMethod("MoveNext"))
.Brfalse(finish)
.Ldloca(localEnumerator)
.Call(currentGetter)
.Stloc(localPair);
_keyDescriptor.GenerateSaveEx(ilGenerator, pushWriter, pushCtx,
il => il.Ldloca(localPair).Call(typeKeyValuePair.GetProperty("Key").GetGetMethod()), keyType);
_valueDescriptor.GenerateSaveEx(ilGenerator, pushWriter, pushCtx,
il => il.Ldloca(localPair).Call(typeKeyValuePair.GetProperty("Value").GetGetMethod()), valueType);
ilGenerator
.Br(next)
.Mark(finish)
.Finally()
.Ldloca(localEnumerator)
.Constrained(typeAsIEnumerator)
.Callvirt(() => default(IDisposable).Dispose())
.EndTry()
.Br(completeFinish);
}
{
var getEnumeratorMethod = typeAsIDictionary.GetInterface("IEnumerable`1").GetMethod("GetEnumerator");
var typeAsIEnumerator = getEnumeratorMethod.ReturnType;
var currentGetter = typeAsIEnumerator.GetProperty("Current").GetGetMethod();
var typeKeyValuePair = currentGetter.ReturnType;
var localEnumerator = ilGenerator.DeclareLocal(typeAsIEnumerator);
var localPair = ilGenerator.DeclareLocal(typeKeyValuePair);
var finish = ilGenerator.DefineLabel();
var next = ilGenerator.DefineLabel();
ilGenerator
.Mark(notDictionary)
.Ldloc(localDict)
.Callvirt(getEnumeratorMethod)
.Stloc(localEnumerator)
.Try()
.Mark(next)
.Ldloc(localEnumerator)
.Callvirt(() => default(IEnumerator).MoveNext())
.Brfalse(finish)
.Ldloc(localEnumerator)
.Callvirt(currentGetter)
.Stloc(localPair);
_keyDescriptor.GenerateSaveEx(ilGenerator, pushWriter, pushCtx, il => il.Ldloca(localPair).Call(typeKeyValuePair.GetProperty("Key").GetGetMethod()), keyType);
_valueDescriptor.GenerateSaveEx(ilGenerator, pushWriter, pushCtx, il => il.Ldloca(localPair).Call(typeKeyValuePair.GetProperty("Value").GetGetMethod()), valueType);
ilGenerator
.Br(next)
.Mark(finish)
.Finally()
.Ldloc(localEnumerator)
.Callvirt(() => default(IDisposable).Dispose())
.EndTry()
.Mark(completeFinish);
}
}
