protected override void CountSizeNotEmpty(SizeCounterMethodBuilderContext context)
{
int[] values;
ulong[] hashCodes;
EnumHelpers.BuildHashCodesTable(Type, out values, out hashCodes);
var hashCodesField = context.Context.InitConstField(Type, 0, hashCodes);
var valuesField = context.Context.InitConstField(Type, 1, values);
var il = context.Il;
context.LoadField(valuesField); // stack: [values]
context.LoadObj(); // stack: [values, obj]
il.Ldc_I4(values.Length); // stack: [values, obj, values.Length]
il.Rem(true); // stack: [values, obj % values.Length]
il.Ldelem(typeof(int)); // stack: [values[obj % values.Length]]
context.LoadObj(); // stack: [values[obj % values.Length], obj]
il.Ceq(); // stack: [values[obj % values.Length] == obj]
var countAsIntLabel = il.DefineLabel("countAsInt");
il.Brfalse(countAsIntLabel); // if(values[obj % values.Length] != obj) goto countAsInt
context.LoadField(hashCodesField); // stack: [hashCodes]
context.LoadObj(); // stack: [hashCodes, obj]
il.Ldc_I4(hashCodes.Length); // stack: [hashCodes, obj, hashCodes.Length]
il.Rem(true); // stack: [hashCodes, obj % hashCodes.Length]
il.Ldelem(typeof(long)); // stack: [hashCodes[obj % hashCodes.Length] = hashCode]
il.Brfalse(countAsIntLabel); // if(hashCode == 0) goto countAsInt;
il.Ldc_I4(9); // stack: [9]
il.Ret(); // return 9;
il.MarkLabel(countAsIntLabel);
il.Ldc_I4(5); // stack: [5]
}
protected override void CountSizeNotEmpty(SizeCounterMethodBuilderContext context)
{
var customSerializerField = context.Context.InitConstField(Type, 0, customSerializer);
var il = context.Il;
context.LoadField(customSerializerField); // stack: [customSerializer]
context.LoadObj(); // stack: [customSerializer, obj]
if (Type.IsValueType)
{
il.Box(Type); // stack: [customSerializer, (object)obj]
}
context.LoadWriteEmpty(); // stack: [customSerializer, (object)obj, writeEmpty]
context.LoadContext(); // stack: [customSerializer, (object)obj, writeEmpty, context]
il.Call(HackHelpers.GetMethodDefinition <IGroBufCustomSerializer>(serializer => serializer.CountSize(null, false, null))); // stack: [customSerializer.CountSize((object)obj, writeEmpty, context)]
var countLengthLabel = il.DefineLabel("countLength");
il.Dup(); // stack: [size, size]
il.Brtrue(countLengthLabel); // if(size != 0) goto countLength; stack: [size]
il.Pop(); // stack: []
context.ReturnForNull();
il.Ret();
il.MarkLabel(countLengthLabel);
il.Ldc_I4(5); // stack: [size, 5]
il.Add(); // stack: [size + 5]
}
protected override void CountSizeNotEmpty(SizeCounterMethodBuilderContext context)
{
var il = context.Il;
var counters = GroBufHelpers.LeafTypes.Select(type1 => type1 == null ? new KeyValuePair <Delegate, IntPtr>(null, IntPtr.Zero) : GetCounter(context, type1)).ToArray();
var countersField = context.Context.InitConstField(Type, 0, counters.Select(pair => pair.Value).ToArray());
context.Context.InitConstField(Type, 1, counters.Select(pair => pair.Key).ToArray());
il.Ldfld(typeof(GroBufHelpers).GetField("LeafTypeHandles", BindingFlags.Public | BindingFlags.Static)); // stack: [LeafTypeHandles]
context.LoadObj(); // stack: [LeafTypeHandles, obj]
il.Call(getTypeMethod); // stack: [LeafTypeHandles, obj.GetType()]
var type = il.DeclareLocal(typeof(Type));
il.Dup(); // stack: [LeafTypeHandles, obj.GetType(), obj.GetType()]
il.Stloc(type); // type = obj.GetType(); stack: [LeafTypeHandles, obj.GetType()]
il.Call(typeTypeHandleProperty.GetGetMethod()); // stack: [LeafTypeHandles, obj.GetType().TypeHandle]
var typeHandle = il.DeclareLocal(typeof(RuntimeTypeHandle));
il.Stloc(typeHandle); // typeHandle = obj.GetType().TypeHandle; stack: [LeafTypeHandles]
il.Ldloca(typeHandle); // stack: [LeafTypeHandles, ref typeHandle]
il.Call(runtimeTypeHandleValueProperty.GetGetMethod(), typeof(RuntimeTypeHandle)); // stack: [LeafTypeHandles, obj.GetType().TypeHandle.Value]
var handle = il.DeclareLocal(typeof(IntPtr));
il.Dup(); // stack: [LeafTypeHandles, obj.GetType().TypeHandle.Value, obj.GetType().TypeHandle.Value]
il.Stloc(handle); // handle = obj.GetType().TypeHandle.Value; stack: [LeafTypeHandles, handle]
il.Ldc_I4(counters.Length); // stack: [LeafTypeHandles, handle, LeafTypeHandles.Length]
il.Rem(true); // stack: [LeafTypeHandles, handle % LeafTypeHandles.Length]
var index = il.DeclareLocal(typeof(int));
il.Conv <int>(); // stack: [LeafTypeHandles, (int)(handle % LeafTypeHandles.Length)]
il.Dup(); // stack: [LeafTypeHandles, (int)(handle % LeafTypeHandles.Length), (int)(handle % LeafTypeHandles.Length)]
il.Stloc(index); // index = (int)(handle % LeafTypeHandles.Length); stack: [LeafTypeHandles, index]
il.Ldelem(typeof(IntPtr)); // stack: [LeafTypeHandles[index]]
il.Ldloc(handle); // stack: [LeafTypeHandles[index], handle]
var tryAsArrayLabel = il.DefineLabel("tryAsArray");
il.Bne_Un(tryAsArrayLabel); // if(LeafTypeHandles[index] != handle) goto tryAsArray; stack: []
context.LoadObj(); // stack: [obj]
context.LoadWriteEmpty(); // stack: [obj, writeEmpty]
context.LoadContext(); // stack: [obj, writeEmpty, context]
context.LoadField(countersField); // stack: [obj, writeEmpty, context, counters]
il.Ldloc(index); // stack: [obj, writeEmpty, context, counters, index]
il.Ldelem(typeof(IntPtr)); // stack: [obj, writeEmpty, context, counters[index]]
var parameterTypes = new[] { typeof(object), typeof(bool), typeof(WriterContext) };
il.Calli(CallingConventions.Standard, typeof(int), parameterTypes); // stack: [counters[index](obj, writeEmpty)]
il.Ret();
il.MarkLabel(tryAsArrayLabel);
il.Ldloc(type); // stack: [obj.GetType()]
il.Call(typeIsArrayProperty.GetGetMethod()); // stack: [obj.GetType().IsArray]
var returnForNullLabel = il.DefineLabel("returnForNull");
il.Brfalse(returnForNullLabel);
context.LoadObj(); // stack: [obj]
context.LoadWriteEmpty(); // stack: [obj, writeEmpty]
context.LoadContext(); // stack: [obj, writeEmpty, context]
context.LoadField(countersField); // stack: [obj, writeEmpty, context, counters]
il.Ldc_I4(Array.IndexOf(GroBufHelpers.LeafTypes, typeof(object[]))); // stack: [obj, writeEmpty, context, counters, index of typeof(object[])]
il.Ldelem(typeof(IntPtr)); // stack: [obj, writeEmpty, context, counters[index of typeof(object[])]]
parameterTypes = new[] { typeof(object), typeof(bool), typeof(WriterContext) };
il.Calli(CallingConventions.Standard, typeof(int), parameterTypes); // stack: [counters[index of typeof(object[])](obj, writeEmpty)]
il.Ret();
il.MarkLabel(returnForNullLabel);
context.ReturnForNull();
}
