protected override void ReadNotEmpty(ReaderMethodBuilderContext context)
{
context.IncreaseIndexBy1();
context.AssertTypeCode(GroBufTypeCodeMap.GetTypeCode(elementType.MakeArrayType()));
var il = context.Il;
var size = il.DeclareLocal(typeof(int));
il.Ldc_I4(4);
context.AssertLength();
context.GoToCurrentLocation(); // stack: [&data[index]]
il.Ldind(typeof(uint)); // stack: [data length]
il.Dup(); // stack: [data length, data length]
il.Stloc(size); // size = data length; stack: [data length]
context.IncreaseIndexBy4(); // index = index + 4; stack: [data length]
context.AssertLength();
var count = context.Length;
il.Ldloc(size); // stack: [size]
CountArrayLength(elementType, il); // stack: [array length]
il.Stloc(count); // count = array length
context.LoadResultByRef(); // stack: [ref result]
il.Newobj(Type.GetConstructor(Type.EmptyTypes)); // stack: [ref result, new HashSet() = hashSet]
il.Dup(); // stack: [ref result, hashSet, hashSet]
il.Ldloc(count); // stack: [ref result, hashSet, hashSet, count]
var initializeMethod = Type.GetMethod("Initialize", BindingFlags.Instance | BindingFlags.NonPublic);
il.Call(initializeMethod); // hashSet.Initialize(count); stack: [ref result, hashSet] or [ref result, hashSet, actualHashSetSize]
if (initializeMethod.ReturnType != typeof(void))
{
il.Pop(); // stack: [ref result, hashSet]
}
il.Stind(Type); // result = hashSet; stack: []
il.Ldloc(count);
var doneLabel = il.DefineLabel("done");
il.Brfalse(doneLabel); // if(count == 0) goto allDone; stack: []
var i = il.DeclareLocal(typeof(int));
il.Ldc_I4(0); // stack: [0]
il.Stloc(i); // i = 0; stack: []
var cycleStartLabel = il.DefineLabel("cycleStart");
il.MarkLabel(cycleStartLabel);
context.LoadResult(Type); // stack: [result]
context.GoToCurrentLocation(); // stack: [result, &data[index]]
il.Ldloc(i); // stack: [result, &data[index], i]
MakeShift(elementType, il); // stack: [result, &data[index], i << x]
il.Add(); // stack: [result, current]
il.Ldind(elementType); // stack: [result, *current]
il.Call(Type.GetMethod("Add")); // stack: [result.Add(*current)]
il.Pop(); // stack: []
il.Ldloc(count); // stack: [count]
il.Ldloc(i); // stack: [current, count, i]
il.Ldc_I4(1); // stack: [current, count, i, 1]
il.Add(); // stack: [current, count, i + 1]
il.Dup(); // stack: [current, count, i + 1, i + 1]
il.Stloc(i); // i = i + 1; stack: [current, count, i]
il.Bgt(cycleStartLabel, false); // if(count > i) goto cycleStart; stack: [current]
context.LoadIndexByRef(); // stack: [ref index]
context.LoadIndex(); // stack: [ref index, index]
il.Ldloc(size); // stack: [ref index, index, size]
il.Add(); // stack: [ref index, index + size]
il.Stind(typeof(int)); // index = index + size
il.MarkLabel(doneLabel); // stack: []
}
protected override unsafe void ReadNotEmpty(ReaderMethodBuilderContext context)
{
context.IncreaseIndexBy1();
context.AssertTypeCode(GroBufTypeCodeMap.GetTypeCode(elementType.MakeArrayType()));
var il = context.Il;
var size = il.DeclareLocal(typeof(int));
il.Ldc_I4(4);
context.AssertLength();
context.GoToCurrentLocation(); // stack: [&data[index]]
il.Ldind(typeof(uint)); // stack: [data length]
il.Dup(); // stack: [data length, data length]
il.Stloc(size); // size = data length; stack: [data length]
context.IncreaseIndexBy4(); // index = index + 4; stack: [data length]
context.AssertLength();
var length = context.Length;
il.Ldloc(size); // stack: [size]
CountArrayLength(elementType, il); // stack: [array length]
il.Stloc(length); // length = array length
if (context.Context.GroBufReader.Options.HasFlag(GroBufOptions.MergeOnRead))
{
var createArrayLabel = il.DefineLabel("createArray");
context.LoadResult(Type); // stack: [result]
il.Brfalse(createArrayLabel); // if(result == null) goto createArray; stack: []
context.LoadResult(Type); // stack: [result]
il.Ldfld(Type.GetField("_items", BindingFlags.Instance | BindingFlags.NonPublic)); // stack: [result._items]
il.Ldlen(); // stack: [result._items.Length]
il.Ldloc(length); // stack: [result.Length, length]
var arrayCreatedLabel = il.DefineLabel("arrayCreated");
il.Bge(arrayCreatedLabel, false); // if(result.Length >= length) goto arrayCreated;
context.LoadResult(Type); // stack: [result]
il.Ldflda(Type.GetField("_items", BindingFlags.Instance | BindingFlags.NonPublic)); // stack: [ref result._items]
il.Ldloc(length); // stack: [ref result, length]
il.Call(resizeMethod.MakeGenericMethod(elementType)); // Array.Resize(ref result, length)
il.Br(arrayCreatedLabel); // goto arrayCreated
il.MarkLabel(createArrayLabel);
context.LoadResultByRef(); // stack: [ref result]
il.Ldloc(length); // stack: [ref result, length]
il.Newobj(Type.GetConstructor(new[] { typeof(int) })); // stack: [ref result, new List(length)]
il.Stind(Type); // result = new List(length); stack: []
il.MarkLabel(arrayCreatedLabel);
}
else
{
context.LoadResultByRef(); // stack: [ref result]
il.Ldloc(length); // stack: [ref result, length]
il.Newobj(Type.GetConstructor(new[] { typeof(int) })); // stack: [ref result, new List(length)]
il.Stind(Type); // result = new List(length); stack: []
}
il.Ldloc(length);
var doneLabel = il.DefineLabel("done");
il.Brfalse(doneLabel); // if(length == 0) goto allDone; stack: []
var arr = il.DeclareLocal(elementType.MakeByRefType(), true);
context.LoadResult(Type); // stack: [result]
il.Ldfld(Type.GetField("_items", BindingFlags.Instance | BindingFlags.NonPublic)); // stack: [result._items]
il.Ldc_I4(0); // stack: [result._items, 0]
il.Ldelema(elementType); // stack: [&result._items[0]]
il.Stloc(arr); // arr = &result._items[0]; stack: []
il.Ldloc(arr); // stack: [arr]
context.GoToCurrentLocation(); // stack: [arr, &data[index]]
il.Ldloc(length); // stack: [arr, &data[index], length]
CountArraySize(elementType, il); // stack: [arr, &data[index], size]
il.Cpblk(); // arr = &data[index]
il.FreePinnedLocal(arr); // arr = null; stack: []
context.LoadIndexByRef(); // stack: [ref index]
context.LoadIndex(); // stack: [ref index, index]
il.Ldloc(size); // stack: [ref index, index, size]
il.Add(); // stack: [ref index, index + size]
il.Stind(typeof(int)); // index = index + size
if (context.Context.GroBufReader.Options.HasFlag(GroBufOptions.MergeOnRead))
{
context.LoadResult(Type); // stack: [result]
il.Ldfld(Type.GetField("_size", BindingFlags.Instance | BindingFlags.NonPublic)); // stack: [result.Count]
il.Ldloc(length); // stack: [result.Count, length]
il.Bge(doneLabel, false); // if(result.Count >= length) goto done; stack: []
}
context.LoadResult(Type); // stack: [result]
il.Ldloc(length); // stack: [result.Count, length]
il.Stfld(Type.GetField("_size", BindingFlags.Instance | BindingFlags.NonPublic)); // result._size = length; stack: []
il.MarkLabel(doneLabel); // stack: []
}
protected override void ReadNotEmpty(ReaderMethodBuilderContext context)
{
MemberInfo[] dataMembers;
ulong[] hashCodes;
BuildMembersTable(context.Context, out hashCodes, out dataMembers);
var il = context.Il;
var end = context.Length;
var typeCode = context.TypeCode;
var setters = dataMembers.Select(member => member == null ? default(KeyValuePair <Delegate, IntPtr>) : GetMemberSetter(context.Context, member)).ToArray();
var settersField = context.Context.InitConstField(Type, 0, setters.Select(pair => pair.Value).ToArray());
context.Context.InitConstField(Type, 1, setters.Select(pair => pair.Key).ToArray());
var hashCodesField = context.Context.InitConstField(Type, 2, hashCodes);
context.IncreaseIndexBy1(); // index = index + 1
context.AssertTypeCode(GroBufTypeCode.Object);
il.Ldc_I4(4);
context.AssertLength();
context.GoToCurrentLocation(); // stack: [&data[index]]
il.Ldind(typeof(uint)); // stack: [(uint)data[index] = data length]
context.IncreaseIndexBy4(); // index = index + 4; stack: [data length]
il.Dup(); // stack: [data length, data length]
il.Stloc(end); // end = data length; stack: [data length]
if (!Type.IsValueType)
{
context.LoadResultByRef(); // stack: [data length, ref result]
il.Ldind(Type); // stack: [data length, result]
var notNullLabel = il.DefineLabel("notNull");
il.Brtrue(notNullLabel); // if(result != null) goto notNull; stack: [data length]
context.LoadResultByRef(); // stack: [data length, ref result]
ObjectConstructionHelper.EmitConstructionOfType(Type, il);
il.Stind(Type); // result = new type(); stack: [data length]
il.MarkLabel(notNullLabel);
}
context.StoreObject(Type);
var doneLabel = il.DefineLabel("done");
il.Brfalse(doneLabel); // if(data length == 0) goto done; stack: []
il.Ldloc(end); // stack: [data length]
context.AssertLength(); // stack: []
il.Ldloc(end); // stack: [data length]
context.LoadIndex(); // stack: [data length, index]
il.Add(); // stack: [data length + index]
il.Stloc(end); // end = data length + index
var cycleStartLabel = il.DefineLabel("cycleStart");
il.MarkLabel(cycleStartLabel);
il.Ldc_I4(9);
context.AssertLength();
context.GoToCurrentLocation(); // stack: [&data[index]]
il.Ldind(typeof(long)); // stack: [*(int64*)&data[index] = hashCode]
context.IncreaseIndexBy8(); // index = index + 8; stack: [*(int64*)&data[index] = hashCode]
il.Dup(); // stack: [hashCode, hashCode]
il.Ldc_I8(dataMembers.Length); // stack: [hashCode, hashCode, (int64)hashCodes.Length]
il.Rem(true); // stack: [hashCode, hashCode % hashCodes.Length]
il.Conv <int>(); // stack: [hashCode, (int)(hashCode % hashCodes.Length)]
var idx = il.DeclareLocal(typeof(int));
il.Stloc(idx); // idx = (int)(hashCode % hashCodes.Length); stack: [hashCode]
context.LoadField(hashCodesField); // stack: [hashCode, hashCodes]
il.Ldloc(idx); // stack: [hashCode, hashCodes, idx]
il.Ldelem(typeof(long)); // stack: [hashCode, hashCodes[idx]]
var skipDataLabel = il.DefineLabel("skipData");
il.Bne_Un(skipDataLabel); // if(hashCode != hashCodes[idx]) goto skipData; stack: []
// Read data
context.LoadData(); // stack: [pinnedData]
context.LoadIndexByRef(); // stack: [pinnedData, ref index]
context.LoadResultByRef(); // stack: [pinnedData, ref index, ref result]
context.LoadContext(); // stack: [pinnedData, ref index, ref result, context]
context.LoadField(settersField); // stack: [pinnedData, ref index, ref result, context, setters]
il.Ldloc(idx); // stack: [pinnedData, ref index, ref result, context, setters, idx]
il.Ldelem(typeof(IntPtr)); // stack: [pinnedData, ref index, ref result, context, setters[idx]]
var parameterTypes = new[] { typeof(byte *), typeof(int).MakeByRefType(), Type.MakeByRefType(), typeof(ReaderContext) };
il.Calli(CallingConventions.Standard, typeof(void), parameterTypes); // setters[idx](pinnedData, ref index, ref result, context); stack: []
var checkIndexLabel = il.DefineLabel("checkIndex");
il.Br(checkIndexLabel); // goto checkIndex
il.MarkLabel(skipDataLabel);
// Skip data
context.GoToCurrentLocation(); // stack: [&data[index]]
il.Ldind(typeof(byte)); // stack: [data[index]]
il.Stloc(typeCode); // typeCode = data[index]; stack: []
context.IncreaseIndexBy1(); // index = index + 1
context.CheckTypeCode();
context.SkipValue();
il.MarkLabel(checkIndexLabel);
context.LoadIndex(); // stack: [index]
il.Ldloc(end); // stack: [index, end]
il.Blt(cycleStartLabel, true); // if(index < end) goto cycleStart; stack: []
var onDeserializedMethod = Type.GetMethods(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic)
.SingleOrDefault(method => method.GetCustomAttribute <OnDeserializedAttribute>() != null);
if (onDeserializedMethod != null)
{
var parameters = onDeserializedMethod.GetParameters();
if (parameters.Length != 1 || parameters[0].ParameterType != typeof(StreamingContext))
{
throw new InvalidOperationException(string.Format("The method '{0}' marked with 'OnDeserialized' attribute must accept exactly one parameter of type '{1}'", onDeserializedMethod, typeof(StreamingContext).FullName));
}
context.LoadResult(Type);
il.Ldc_I4((int)StreamingContextStates.Other);
il.Newobj(typeof(StreamingContext).GetConstructor(new[] { typeof(StreamingContextStates) }));
il.Call(onDeserializedMethod);
}
il.MarkLabel(doneLabel);
}
public void BuildReader(ReaderTypeBuilderContext readerTypeBuilderContext)
{
var method = new DynamicMethod("Read_" + Type.Name + "_" + Guid.NewGuid(), typeof(void),
new[]
{
typeof(IntPtr), typeof(int).MakeByRefType(), Type.MakeByRefType(), typeof(ReaderContext)
}, readerTypeBuilderContext.Module, true);
readerTypeBuilderContext.SetReaderMethod(Type, method);
using (var il = new GroboIL(method))
{
var context = new ReaderMethodBuilderContext(readerTypeBuilderContext, il, !Type.IsValueType && IsReference);
ReadTypeCodeAndCheck(context); // Read TypeCode and check
if (!Type.IsValueType && IsReference)
{
// Read reference
context.LoadContext(); // stack: [context]
il.Ldfld(ReaderContext.ObjectsField); // stack: [context.objects]
var notReadLabel = il.DefineLabel("notRead");
il.Brfalse(notReadLabel);
context.LoadIndex(); // stack: [external index]
context.LoadContext(); // stack: [external index, context]
il.Ldfld(ReaderContext.StartField); // stack: [external index, context.start]
il.Sub(); // stack: [external index - context.start]
il.Stloc(context.Index); // index = external index - context.start; stack: []
context.LoadContext(); // stack: [context]
il.Ldfld(ReaderContext.ObjectsField); // stack: [context.objects]
il.Ldloc(context.Index); // stack: [context.objects, index]
var obj = il.DeclareLocal(typeof(object));
il.Ldloca(obj);
object dummy;
il.Call(HackHelpers.GetMethodDefinition <Dictionary <int, object> >(dict => dict.TryGetValue(0, out dummy))); // stack: [context.objects.TryGetValue(index, out obj)]
il.Brfalse(notReadLabel); // if(!context.objects.TryGetValue(index, out obj)) goto notRead;
context.LoadResultByRef(); // stack: [ref result]
il.Ldloc(obj); // stack: [ref result, obj]
il.Castclass(Type); // stack: [ref result, (Type)obj]
il.Stind(Type); // result = (Type)obj; stack: []
context.IncreaseIndexBy1(); // Skip type code
context.SkipValue(); // Skip value - it has already been read
il.Ret();
il.MarkLabel(notReadLabel);
il.Ldloc(context.TypeCode); // stack: [typeCode]
il.Ldc_I4((int)GroBufTypeCode.Reference); // stack: [typeCode, GroBufTypeCode.Reference]
var readUsualLabel = il.DefineLabel("readUsual");
il.Bne_Un(readUsualLabel); // if(typeCode != GroBufTypeCode.Reference) goto readUsual; stack: []
context.LoadContext(); // stack: [context]
il.Ldfld(ReaderContext.ObjectsField); // stack: [context.objects]
var objectsIsNotNullLabel = il.DefineLabel("objectsIsNotNull");
il.Brtrue(objectsIsNotNullLabel); // if(context.objects != null) goto objectsIsNotNull; stack: [context.objects]
il.Ldstr("Reference is not valid at this point");
il.Newobj(typeof(DataCorruptedException).GetConstructor(new[] { typeof(string) }));
il.Throw();
il.MarkLabel(objectsIsNotNullLabel);
context.IncreaseIndexBy1(); // index = index + 1; stack: []
il.Ldc_I4(4);
context.AssertLength();
context.GoToCurrentLocation();
var reference = il.DeclareLocal(typeof(int));
il.Ldind(typeof(int)); // stack: [*(int*)data[index]]
il.Stloc(reference); // reference = *(int*)data[index]; stack: []
context.IncreaseIndexBy4(); // index = index + 4; stack: []
il.Ldloc(context.Index); // stack: [index]
il.Ldloc(reference); // stack: [index, reference]
var goodReferenceLabel = il.DefineLabel("goodReference");
il.Bgt(goodReferenceLabel, false); // if(index > reference) goto goodReference; stack: []
il.Ldstr("Bad reference");
il.Newobj(typeof(DataCorruptedException).GetConstructor(new[] { typeof(string) }));
il.Throw();
il.MarkLabel(goodReferenceLabel);
context.LoadContext(); // stack: [context]
il.Ldfld(ReaderContext.ObjectsField); // stack: [context.objects]
il.Ldloc(reference); // stack: [context.objects, reference]
il.Ldloca(obj); // stack: [context.objects, reference, ref obj]
il.Call(HackHelpers.GetMethodDefinition <Dictionary <int, object> >(dict => dict.TryGetValue(0, out dummy))); // stack: [context.objects.TryGetValue(reference, out obj)]
var readObjectLabel = il.DefineLabel("readObject");
il.Brfalse(readObjectLabel); // if(!context.objects.TryGetValue(reference, out obj)) goto readObjects; stack: []
context.LoadResultByRef(); // stack: [ref result]
il.Ldloc(obj); // stack: [ref result, obj]
il.Castclass(Type); // stack: [ref result, (Type)obj]
il.Stind(Type); // result = (Type)obj; stack: []
il.Ret();
il.MarkLabel(readObjectLabel);
// Referenced object has not been read - this means that the object reference belongs to is a property that had been deleted
context.LoadData(); // stack: [data]
il.Ldloc(reference); // stack: [data, reference]
context.LoadContext(); // stack: [data, reference, context]
il.Ldfld(ReaderContext.StartField); // stack: [data, reference, context.start]
il.Add(); // stack: [data, reference + context.start]
il.Stloc(reference); // reference += context.start; stack: [data]
il.Ldloca(reference); // stack: [data, ref reference]
context.LoadResultByRef(); // stack: [data, ref reference, ref result]
context.LoadContext(); // stack: [data, ref reference, ref result, context]
context.CallReader(Type);
il.Ret();
il.MarkLabel(readUsualLabel);
}
ReadNotEmpty(context); // Read obj
il.Ret();
}
var @delegate = method.CreateDelegate(typeof(ReaderDelegate <>).MakeGenericType(Type));
var pointer = GroBufHelpers.ExtractDynamicMethodPointer(method);
readerTypeBuilderContext.SetReaderPointer(Type, pointer, @delegate);
}
protected override unsafe void ReadNotEmpty(ReaderMethodBuilderContext context)
{
var il = context.Il;
il.Ldloc(context.TypeCode); // stack: [type code]
il.Ldc_I4((int)GroBufTypeCodeMap.GetTypeCode(Type)); // stack: [type code, GroBufTypeCode(Type)]
var tryReadArrayElementLabel = il.DefineLabel("tryReadArrayElement");
il.Bne_Un(tryReadArrayElementLabel); // if(type code != GroBufTypeCode(Type)) goto tryReadArrayElement; stack: []
context.IncreaseIndexBy1();
var size = il.DeclareLocal(typeof(int));
il.Ldc_I4(4);
context.AssertLength();
context.GoToCurrentLocation(); // stack: [&data[index]]
il.Ldind(typeof(uint)); // stack: [data length]
il.Dup(); // stack: [data length, data length]
il.Stloc(size); // size = data length; stack: [data length]
context.IncreaseIndexBy4(); // index = index + 4; stack: [data length]
context.AssertLength();
var length = context.Length;
il.Ldloc(size); // stack: [size]
CountArrayLength(elementType, il); // stack: [array length]
il.Stloc(length); // length = array length
var array = il.DeclareLocal(elementType.MakeArrayType());
context.LoadResultByRef(); // stack: [ref result]
il.Dup(); // stack: [ref result, ref result]
il.Ldc_I4(0); // stack: [ref result, ref result, 0]
il.Stfld(offsetField); // result._offset = 0; stack: [ref result]
il.Dup(); // stack: [ref result, ref result]
il.Ldloc(length); // stack: [ref result, ref result, length]
il.Stfld(countField); // result._count = length; stack: [ref result]
il.Ldloc(length); // stack: [ref result, length]
il.Newarr(elementType); // stack: [ref result, new type[length]]
il.Dup();
il.Stloc(array); // array = new type[length]; stack: [ref result]
il.Stfld(arrayField); // result._array = array; stack: []
il.Ldloc(length);
var doneLabel = il.DefineLabel("done");
il.Brfalse(doneLabel); // if(length == 0) goto allDone; stack: []
var arr = il.DeclareLocal(elementType.MakeByRefType(), true);
il.Ldloc(array); // stack: [array]
il.Ldc_I4(0); // stack: [array, 0]
il.Ldelema(elementType); // stack: [&array[0]]
il.Stloc(arr); // arr = &array[0]; stack: []
il.Ldloc(arr); // stack: [arr]
context.GoToCurrentLocation(); // stack: [arr, &data[index]]
il.Ldloc(length); // stack: [arr, &data[index], length]
CountArraySize(elementType, il); // stack: [arr, &data[index], size]
il.Cpblk(); // arr = &data[index]
il.FreePinnedLocal(arr); // arr = null; stack: []
context.LoadIndexByRef(); // stack: [ref index]
context.LoadIndex(); // stack: [ref index, index]
il.Ldloc(size); // stack: [ref index, index, size]
il.Add(); // stack: [ref index, index + size]
il.Stind(typeof(int)); // index = index + size
il.Br(doneLabel);
il.MarkLabel(tryReadArrayElementLabel);
context.LoadResultByRef(); // stack: [ref result]
il.Dup(); // stack: [ref result, ref result]
il.Ldc_I4(0); // stack: [ref result, ref result, 0]
il.Stfld(offsetField); // result._offset = 0; stack: [ref result]
il.Dup(); // stack: [ref result, ref result]
il.Ldc_I4(1); // stack: [ref result, ref result, 1]
il.Stfld(countField); // result._count = 1; stack: [ref result]
il.Ldc_I4(1); // stack: [ref result, 1]
il.Newarr(elementType); // stack: [ref result, new type[1]]
il.Dup();
il.Stloc(array); // array = new type[1]; stack: [ref result]
il.Stfld(arrayField); // result._array = array; stack: []
context.LoadData(); // stack: [pinnedData]
context.LoadIndexByRef(); // stack: [pinnedData, ref index]
il.Ldloc(array); // stack: [pinnedData, ref index, array]
il.Ldc_I4(0); // stack: [pinnedData, ref index, array, 0]
il.Ldelema(elementType); // stack: [pinnedData, ref index, ref array[0]]
context.LoadContext(); // stack: [pinnedData, ref index, ref array[0], context]
context.CallReader(elementType); // reader(pinnedData, ref index, ref array[0], context); stack: []
il.MarkLabel(doneLabel); // stack: []
}
protected override unsafe void ReadNotEmpty(ReaderMethodBuilderContext context)
{
var il = context.Il;
il.Ldloc(context.TypeCode); // stack: [type code]
il.Ldc_I4((int)GroBufTypeCodeMap.GetTypeCode(Type)); // stack: [type code, GroBufTypeCode(Type)]
var tryReadArrayElementLabel = il.DefineLabel("tryReadArrayElement");
il.Bne_Un(tryReadArrayElementLabel); // if(type code != GroBufTypeCode(Type)) goto tryReadArrayElement; stack: []
context.IncreaseIndexBy1();
var size = il.DeclareLocal(typeof(int));
il.Ldc_I4(4);
context.AssertLength();
context.GoToCurrentLocation(); // stack: [&data[index]]
il.Ldind(typeof(uint)); // stack: [data length]
il.Dup(); // stack: [data length, data length]
il.Stloc(size); // size = data length; stack: [data length]
context.IncreaseIndexBy4(); // index = index + 4; stack: [data length]
context.AssertLength();
var length = context.Length;
il.Ldloc(size); // stack: [size]
CountArrayLength(elementType, il); // stack: [array length]
il.Stloc(length); // length = array length
if (context.Context.GroBufReader.Options.HasFlag(GroBufOptions.MergeOnRead))
{
var createArrayLabel = il.DefineLabel("createArray");
context.LoadResult(Type); // stack: [result]
il.Brfalse(createArrayLabel); // if(result == null) goto createArray;
context.LoadResult(Type); // stack: [result]
il.Ldlen(); // stack: [result.Length]
il.Ldloc(length); // stack: [result.Length, length]
var arrayCreatedLabel = il.DefineLabel("arrayCreated");
il.Bge(arrayCreatedLabel, false); // if(result.Length >= length) goto arrayCreated;
context.LoadResultByRef(); // stack: [ref result]
il.Ldloc(length); // stack: [ref result, length]
il.Call(resizeMethod.MakeGenericMethod(elementType)); // Array.Resize(ref result, length)
il.Br(arrayCreatedLabel); // goto arrayCreated
il.MarkLabel(createArrayLabel);
context.LoadResultByRef(); // stack: [ref result]
il.Ldloc(length); // stack: [ref result, length]
il.Newarr(elementType); // stack: [ref result, new type[length]]
il.Stind(Type); // result = new type[length]; stack: []
il.MarkLabel(arrayCreatedLabel);
}
else
{
context.LoadResultByRef(); // stack: [ref result]
il.Ldloc(length); // stack: [ref result, length]
il.Newarr(elementType); // stack: [ref result, new type[length]]
il.Stind(Type); // result = new type[length]; stack: []
}
il.Ldloc(length);
var doneLabel = il.DefineLabel("done");
il.Brfalse(doneLabel); // if(length == 0) goto allDone; stack: []
var arr = il.DeclareLocal(elementType.MakeByRefType(), true);
context.LoadResult(Type); // stack: [result]
il.Ldc_I4(0); // stack: [result, 0]
il.Ldelema(elementType); // stack: [&result[0]]
il.Stloc(arr); // arr = &result[0]; stack: []
il.Ldloc(arr); // stack: [arr]
context.GoToCurrentLocation(); // stack: [arr, &data[index]]
il.Ldloc(length); // stack: [arr, &data[index], length]
CountArraySize(elementType, il); // stack: [arr, &data[index], size]
il.Cpblk(); // arr = &data[index]
il.FreePinnedLocal(arr); // arr = null; stack: []
context.LoadIndexByRef(); // stack: [ref index]
context.LoadIndex(); // stack: [ref index, index]
il.Ldloc(size); // stack: [ref index, index, size]
il.Add(); // stack: [ref index, index + size]
il.Stind(typeof(int)); // index = index + size
il.Br(doneLabel);
il.MarkLabel(tryReadArrayElementLabel);
if (context.Context.GroBufReader.Options.HasFlag(GroBufOptions.MergeOnRead))
{
var createArrayLabel = il.DefineLabel("createArray");
context.LoadResult(Type); // stack: [result]
il.Brfalse(createArrayLabel); // if(result == null) goto createArray;
context.LoadResult(Type); // stack: [result]
il.Ldlen(); // stack: [result.Length]
il.Ldc_I4(1); // stack: [result.Length, 1]
var arrayCreatedLabel = il.DefineLabel("arrayCreated");
il.Bge(arrayCreatedLabel, false); // if(result.Length >= 1) goto arrayCreated;
context.LoadResultByRef(); // stack: [ref result]
il.Ldc_I4(1); // stack: [ref result, 1]
il.Call(resizeMethod.MakeGenericMethod(elementType)); // Array.Resize(ref result, 1)
il.Br(arrayCreatedLabel); // goto arrayCreated
il.MarkLabel(createArrayLabel);
context.LoadResultByRef(); // stack: [ref result]
il.Ldc_I4(1); // stack: [ref result, 1]
il.Newarr(elementType); // stack: [ref result, new type[1]]
il.Stind(Type); // result = new type[1]; stack: []
il.MarkLabel(arrayCreatedLabel);
}
else
{
context.LoadResultByRef(); // stack: [ref result]
il.Ldc_I4(1); // stack: [ref result, 1]
il.Newarr(elementType); // stack: [ref result, new type[1]]
il.Stind(Type); // result = new type[1]; stack: []
}
context.LoadData(); // stack: [pinnedData]
context.LoadIndexByRef(); // stack: [pinnedData, ref index]
context.LoadResult(Type); // stack: [pinnedData, ref index, result]
il.Ldc_I4(0); // stack: [pinnedData, ref index, result, 0]
il.Ldelema(elementType); // stack: [pinnedData, ref index, ref result[0]]
context.LoadContext(); // stack: [pinnedData, ref index, ref result[0], context]
context.CallReader(elementType); // reader(pinnedData, ref index, ref result[0], context); stack: []
il.MarkLabel(doneLabel); // stack: []
}