protected override unsafe void WriteNotEmpty(WriterMethodBuilderContext context)
{
var length = context.LocalInt;
context.LoadObj(); // stack: [obj]
var il = context.Il;
il.Call(lengthPropertyGetter); // stack: [obj.Length]
il.Ldc_I4(1); // stack: [obj.Length, 1]
il.Shl(); // stack: [obj.Length << 1]
il.Stloc(length); // length = obj.Length << 1
context.WriteTypeCode(GroBufTypeCode.String);
il.Ldc_I4(4);
context.AssertLength();
context.GoToCurrentLocation(); // stack: [&result[index]]
il.Ldloc(length); // stack: [&result[index], length]
il.Stind(typeof(int)); // result[index] = length
context.IncreaseIndexBy4(); // index = index + 4
var doneLabel = il.DefineLabel("done");
il.Ldloc(length); // stack: [length]
il.Brfalse(doneLabel);
il.Ldloc(length);
context.AssertLength();
context.GoToCurrentLocation(); // stack: [&result[index]]
var str = il.DeclareLocal(typeof(string), true);
context.LoadObj(); // stack: [&result[index], obj]
il.Stloc(str); // str = obj
il.Ldloc(str); // stack: [&result[index], str]
il.Conv <IntPtr>(); // stack: [&result[index], (IntPtr)str]
il.Ldc_I4(RuntimeHelpers.OffsetToStringData); // stack: [&result[index], (IntPtr)str, offset]
il.Add(); // stack: [&result[index], (IntPtr)str + offset]
il.Ldloc(length); // stack: [&result[index], (IntPtr)str + offset, length]
il.Cpblk(); // &result[index] = str
il.FreePinnedLocal(str); // str = null; stack: []
context.LoadIndexByRef(); // stack: [ref index]
context.LoadIndex(); // stack: [ref index, index]
il.Ldloc(length); // stack: [ref index, index, length]
il.Add(); // stack: [ref index, index + length]
il.Stind(typeof(int)); // index = index + length
il.MarkLabel(doneLabel);
}
protected override void WriteNotEmpty(WriterMethodBuilderContext 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 writeIntLabel = il.DefineLabel("writeInt");
il.Brfalse(writeIntLabel); // if(values[obj % values.Length] != obj) goto writeInt
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]
var hashCode = il.DeclareLocal(typeof(ulong));
il.Dup(); // stack: [hashCode, hashCode]
il.Stloc(hashCode); // hashCode = hashCodes[obj % hashCodes.Length]; stack: [hashCode]
il.Brfalse(writeIntLabel);
context.WriteTypeCode(GroBufTypeCode.Enum);
il.Ldc_I4(8);
context.AssertLength();
context.GoToCurrentLocation(); // stack: [&result[index]]
il.Ldloc(hashCode); // stack: [&result[index], hashCode]
il.Stind(typeof(long)); // *(int64*)&result[index] = hashCode
context.IncreaseIndexBy8(); // index = index + 8;
il.Ret();
il.MarkLabel(writeIntLabel);
context.WriteTypeCode(GroBufTypeCode.Int32);
il.Ldc_I4(4);
context.AssertLength();
context.GoToCurrentLocation(); // stack: [&result[index]]
context.LoadObj(); // stack: [&result[index], obj]
il.Stind(typeof(int)); // result[index] = obj
context.IncreaseIndexBy4(); // index = index + 4
}
protected override unsafe void WriteNotEmpty(WriterMethodBuilderContext context)
{
var il = context.Il;
var typeCode = GroBufTypeCodeMap.GetTypeCode(Type);
context.WriteTypeCode(typeCode);
var size = il.DeclareLocal(typeof(int));
il.Ldc_I4(4);
context.AssertLength();
context.GoToCurrentLocation(); // stack: [&result[index]]
context.LoadObjByRef(); // stack: [&result[index], ref obj]
il.Ldfld(countField); // stack: [&result[index], obj._count]
CountArraySize(elementType, il); // stack: [&result[index], obj size]
il.Dup(); // stack: [&result[index], obj size, obj size]
il.Stloc(size); // size = obj size; stack: [&result[index], obj size]
il.Stind(typeof(int)); // result[index] = size; stack: []
context.IncreaseIndexBy4(); // index = index + 4; stack: []
var doneLabel = il.DefineLabel("done");
il.Ldloc(size); // stack: [size]
il.Brfalse(doneLabel); // if(size == 0) goto done; stack: []
il.Ldloc(size);
context.AssertLength();
context.GoToCurrentLocation(); // stack: [&result[index]]
context.LoadObjByRef(); // stack: [&result[index], ref obj]
il.Ldfld(arrayField); // stack: [&result[index], obj._array]
context.LoadObjByRef(); // stack: [&result[index], obj._array, ref obj]
il.Ldfld(offsetField); // stack: [&result[index], obj._array, obj._offset]
il.Ldelema(elementType); // stack: [&result[index], &obj._array[obj._offset]]
var arr = il.DeclareLocal(elementType.MakeByRefType(), true);
il.Stloc(arr); // arr = &obj._array[obj._offset]; stack: [&result[index]]
il.Ldloc(arr); // stack: [&result[index], arr]
il.Ldloc(size); // stack: [&result[index], arr + obj._offset, size]
il.Cpblk(); // &result[index] = arr
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.MarkLabel(doneLabel);
}
protected override unsafe void WriteNotEmpty(WriterMethodBuilderContext context)
{
var il = context.Il;
context.WriteTypeCode(GroBufTypeCodeMap.GetTypeCode(elementType.MakeArrayType()));
il.Ldc_I4(4);
context.AssertLength();
var size = il.DeclareLocal(typeof(int));
context.GoToCurrentLocation(); // stack: [&result[index]]
context.LoadObj(); // stack: [&result[index], obj]
il.Ldfld(Type.GetField("_size", BindingFlags.Instance | BindingFlags.NonPublic)); // stack: [&result[index], obj.Count]
CountArraySize(elementType, il); // stack: [&result[index], obj size]
il.Dup(); // stack: [&result[index], obj size, obj size]
il.Stloc(size); // size = obj size; stack: [&result[index], obj size]
il.Stind(typeof(int)); // result[index] = size; stack: []
context.IncreaseIndexBy4(); // index = index + 4; stack: []
il.Ldloc(size); // stack: [size]
var doneLabel = il.DefineLabel("done");
il.Brfalse(doneLabel); // if(size == 0) goto done; stack: []
il.Ldloc(size);
context.AssertLength();
context.GoToCurrentLocation(); // stack: [&result[index]]
context.LoadObj(); // stack: [&result[index], obj]
il.Ldfld(Type.GetField("_items", BindingFlags.Instance | BindingFlags.NonPublic)); // stack: [&result[index], obj._items]
il.Ldc_I4(0); // stack: [&result[index], obj._items, 0]
il.Ldelema(elementType); // stack: [&result[index], &obj._items[0]]
var arr = il.DeclareLocal(elementType.MakeByRefType(), true);
il.Stloc(arr); // arr = &obj._items[0]; stack: [&result[index]]
il.Ldloc(arr); // stack: [&result[index], arr]
il.Ldloc(size); // stack: [&result[index], arr, size]
il.Cpblk(); // &result[index] = arr
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.MarkLabel(doneLabel);
}
protected override void WriteNotEmpty(WriterMethodBuilderContext context)
{
var il = context.Il;
context.WriteTypeCode(GroBufTypeCode.Array);
var length = il.DeclareLocal(typeof(int));
context.LoadObjByRef(); // stack: [ref obj]
il.Ldfld(countField); // stack: [obj._count]
il.Stloc(length); // length = obj._count
context.LoadIndex(); // stack: [index]
var start = context.LocalInt;
il.Stloc(start); // start = index
il.Ldc_I4(8);
context.AssertLength(); // 8 = data size + array length
context.IncreaseIndexBy4(); // index = index + 4
context.GoToCurrentLocation(); // stack: [&result[index]]
il.Ldloc(length); // stack: [&result[index], length]
il.Stind(typeof(int)); // *(int*)&result[index] = length; stack: []
context.IncreaseIndexBy4(); // index = index + 4
var writeDataLengthLabel = il.DefineLabel("writeDataLength");
il.Ldloc(length); // stack: [length]
il.Brfalse(writeDataLengthLabel); // if(length == 0) goto writeDataLength; stack: []
var i = il.DeclareLocal(typeof(int));
context.LoadObjByRef(); // stack: [ref obj]
il.Ldfld(offsetField); // stack: [obj._offset]
il.Dup(); // stack: [obj._offset, obj._offset]
il.Stloc(i); // i = obj._offset; stack: [obj._offset]
il.Ldloc(length); // stack: [obj._offset, length]
il.Add(); // stack: [obj._offset + length]
il.Stloc(length); // length = obj._offset + length; stack: []
var array = il.DeclareLocal(elementType.MakeArrayType());
context.LoadObjByRef(); // stack: [ref obj]
il.Ldfld(arrayField); // stack: [obj._array]
il.Stloc(array); // array = obj._array; stack: []
var cycleStart = il.DefineLabel("cycleStart");
il.MarkLabel(cycleStart);
il.Ldloc(array); // stack: [array]
il.Ldloc(i); // stack: [array, i]
il.Ldelem(elementType);
il.Ldc_I4(1); // stack: [array[i], true]
context.LoadResult(); // stack: [array[i], true, result]
context.LoadIndexByRef(); // stack: [array[i], true, result, ref index]
context.LoadContext(); // stack: [array[i], true, result, ref index, context]
context.CallWriter(elementType); // writer(array[i], true, result, ref index, context); stack: []
il.Ldloc(length); // stack: [length]
il.Ldloc(i); // stack: [length, i]
il.Ldc_I4(1); // stack: [length, i, 1]
il.Add(); // stack: [length, i + 1]
il.Dup(); // stack: [length, i + 1, i + 1]
il.Stloc(i); // i = i + 1; stack: [length, i]
il.Bgt(cycleStart, false); // if(length > i) goto cycleStart; stack: []
il.MarkLabel(writeDataLengthLabel);
context.LoadResult(); // stack: [result]
il.Ldloc(start); // stack: [result, start]
il.Add(); // stack: [result + start]
context.LoadIndex(); // stack: [result + start, index]
il.Ldloc(start); // stack: [result + start, index, start]
il.Sub(); // stack: [result + start, index - start]
il.Ldc_I4(4); // stack: [result + start, index - start, 4]
il.Sub(); // stack: [result + start, index - start - 4]
il.Stind(typeof(int)); // *(int*)(result + start) = index - start - 4
}
protected override void WriteNotEmpty(WriterMethodBuilderContext context)
{
var il = context.Il;
context.WriteTypeCode(GroBufTypeCodeMap.GetTypeCode(elementType.MakeArrayType()));
var size = il.DeclareLocal(typeof(int));
il.Ldc_I4(4);
context.AssertLength();
context.LoadObj(); // stack: [obj]
il.Call(Type.GetProperty("Count", BindingFlags.Instance | BindingFlags.Public).GetGetMethod()); // stack: [obj.Count]
CountArraySize(elementType, il); // stack: [obj size]
il.Stloc(size); // size = obj size; stack: []
context.GoToCurrentLocation(); // stack: [&result[index]]
il.Ldloc(size); // stack: [&result[index], size]
il.Stind(typeof(int)); // result[index] = size; stack: []
context.IncreaseIndexBy4(); // index = index + 4; stack: []
il.Ldloc(size);
context.AssertLength();
context.LoadObj(); // stack: [obj]
var slotType = Type.GetNestedType(PlatformHelpers.HashSetSlotTypeName, BindingFlags.NonPublic).MakeGenericType(Type.GetGenericArguments());
var slots = il.DeclareLocal(slotType.MakeArrayType());
il.Ldfld(Type.GetPrivateInstanceField(PlatformHelpers.HashSetSlotsFieldNames));
il.Stloc(slots);
context.LoadObj(); // stack: [obj]
il.Ldfld(Type.GetPrivateInstanceField(PlatformHelpers.HashSetCountFieldNames)); // stack: [obj.m_lastIndex]
il.Dup();
var count = context.LocalInt;
il.Stloc(count); // count = obj.m_lastIndex; stack: [count]
var writeDataLengthLabel = il.DefineLabel("writeDataLength");
il.Brfalse(writeDataLengthLabel);
var i = il.DeclareLocal(typeof(int));
il.Ldc_I4(0); // stack: [0]
il.Stloc(i); // i = 0; stack: []
context.GoToCurrentLocation(); // stack: [&result[index]]
var cycleStartLabel = il.DefineLabel("cycleStart");
il.MarkLabel(cycleStartLabel);
il.Ldloc(slots); // stack: [current, slots]
il.Ldloc(i); // stack: [current, slots, i]
il.Ldelema(slotType); // stack: [current, &slots[i]]
il.Dup(); // stack: [current, &slots[i], &slots[i]]
var slot = il.DeclareLocal(slotType.MakeByRefType());
il.Stloc(slot); // slot = &slots[i]; stack: [current, slot]
if (PlatformHelpers.IsDotNet50OrGreater)
{
il.Ldfld(slotType.GetField("Next")); // stack: [current, slot.Next]
il.Ldc_I4(-1); // stack: [current, slot.Next, -1]
}
else
{
il.Ldfld(slotType.GetField("hashCode", BindingFlags.Instance | BindingFlags.NonPublic)); // stack: [current, slot.hashCode]
il.Ldc_I4(0); // stack: [current, slot.hashCode, 0]
}
var nextLabel = il.DefineLabel("next");
il.Blt(nextLabel, false); // if(slot.hashCode < 0) goto next; stack: [current]
il.Dup(); // stack: [current, current]
il.Ldloc(slot); // stack: [current, current, slot]
il.Ldfld(slotType.GetField(PlatformHelpers.HashSetSlotValueFieldName, BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic)); // stack: [current, current, slot.value]
il.Stind(elementType); // *current = slot.value; stack: [current]
LoadItemSize(elementType, il); // stack: [current, item size]
il.Add(); // stack: [current + item size]
il.MarkLabel(nextLabel);
il.Ldloc(count); // stack: [current, 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]
il.Pop(); // stack: []
il.MarkLabel(writeDataLengthLabel);
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
}
protected override void WriteNotEmpty(WriterMethodBuilderContext context)
{
var il = context.Il;
context.WriteTypeCode(GroBufTypeCode.Dictionary);
context.LoadIndex(); // stack: [index]
var start = context.LocalInt;
il.Stloc(start); // start = index
il.Ldc_I4(8); // data length + dict size = 8
context.AssertLength();
context.IncreaseIndexBy4(); // index = index + 4
context.GoToCurrentLocation(); // stack: [&result[index]]
context.LoadObj(); // stack: [&result[index], obj]
il.Call(Type.GetProperty("Count", BindingFlags.Instance | BindingFlags.Public).GetGetMethod()); // stack: [&result[index], obj.Count]
il.Stind(typeof(int)); // *(int*)&result[index] = obj.Count; stack: []
context.IncreaseIndexBy4(); // index = index + 4; stack: []
context.LoadObj(); // stack: [obj]
// traverse all buckets
il.Ldfld(Type.GetPrivateInstanceField(PlatformHelpers.DictionaryCountFieldNames)); // stack: [obj.count]
var count = il.DeclareLocal(typeof(int));
il.Stloc(count); // count = obj.count; stack: []
var writeDataLengthLabel = il.DefineLabel("writeDataLength");
il.Ldloc(count); // stack: [count]
il.Brfalse(writeDataLengthLabel); // if(count == 0) goto writeDataLength; stack: []
context.LoadObj(); // stack: [obj]
var entryType = Type.GetNestedType("Entry", BindingFlags.NonPublic).MakeGenericType(Type.GetGenericArguments());
var entries = il.DeclareLocal(entryType.MakeArrayType());
il.Ldfld(Type.GetPrivateInstanceField(PlatformHelpers.DictionaryEntriesFieldNames)); // stack: [obj.entries]
il.Stloc(entries); // entries = obj.entries; 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);
il.Ldloc(entries); // stack: [entries]
il.Ldloc(i); // stack: [entries, i]
il.Ldelema(entryType); // stack: [&entries[i]]
il.Dup(); // stack: [&entries[i], &entries[i]]
var entry = il.DeclareLocal(entryType.MakeByRefType());
il.Stloc(entry); // entry = &entries[i]; stack: [entry]
il.Ldfld(entryType.GetField("hashCode")); // stack: [entry.hashCode]
il.Ldc_I4(0); // stack: [entry.hashCode, 0]
var nextLabel = il.DefineLabel("next");
il.Blt(nextLabel, false); // if(entry.hashCode < 0) goto next; stack: []
il.Ldloc(entry); // stack: [entry]
il.Ldfld(entryType.GetField("key")); // stack: [entry.key]
il.Ldc_I4(1); // stack: [obj[i].key, true]
context.LoadResult(); // stack: [obj[i].key, true, result]
context.LoadIndexByRef(); // stack: [obj[i].key, true, result, ref index]
context.LoadContext(); // stack: [obj[i].key, true, result, ref index, context]
context.CallWriter(keyType); // write<keyType>(obj[i].key, true, result, ref index, context); stack: []
il.Ldloc(entry); // stack: [entry]
il.Ldfld(entryType.GetField("value")); // stack: [entry.value]
il.Ldc_I4(1); // stack: [obj[i].value, true]
context.LoadResult(); // stack: [obj[i].value, true, result]
context.LoadIndexByRef(); // stack: [obj[i].value, true, result, ref index]
context.LoadContext(); // stack: [obj[i].value, true, result, ref index, context]
context.CallWriter(valueType); // writer<valueType>(obj[i].value, true, result, ref index, context); stack: []
il.MarkLabel(nextLabel);
il.Ldloc(count); // stack: [ count]
il.Ldloc(i); // stack: [count, i]
il.Ldc_I4(1); // stack: [count, i, 1]
il.Add(); // stack: [count, i + 1]
il.Dup(); // stack: [count, i + 1, i + 1]
il.Stloc(i); // i = i + 1; stack: [count, i]
il.Bgt(cycleStartLabel, false); // if(count > i) goto cycleStart; stack: []
il.MarkLabel(writeDataLengthLabel);
context.LoadResult(); // stack: [result]
il.Ldloc(start); // stack: [result, start]
il.Add(); // stack: [result + start]
context.LoadIndex(); // stack: [result + start, index]
il.Ldloc(start); // stack: [result + start, index, start]
il.Sub(); // stack: [result + start, index - start]
il.Ldc_I4(4); // stack: [result + start, index - start, 4]
il.Sub(); // stack: [result + start, index - start - 4]
il.Stind(typeof(int)); // *(int*)(result + start) = index - start - 4
}
protected override void WriteNotEmpty(WriterMethodBuilderContext context)
{
var typeCode = GroBufTypeCodeMap.GetTypeCode(Type);
context.WriteTypeCode(typeCode);
context.GoToCurrentLocation(); // stack: [&result[index]]
var il = context.Il;
switch (typeCode)
{
case GroBufTypeCode.Int8:
case GroBufTypeCode.UInt8:
case GroBufTypeCode.Boolean:
il.Ldc_I4(1);
context.AssertLength();
context.LoadObj(); // stack: [&result[index], obj]
il.Stind(typeof(byte)); // result[index] = obj
context.IncreaseIndexBy1(); // index = index + 1
break;
case GroBufTypeCode.Int16:
case GroBufTypeCode.UInt16:
il.Ldc_I4(2);
context.AssertLength();
context.LoadObj(); // stack: [&result[index], obj]
il.Stind(typeof(short)); // result[index] = obj
context.IncreaseIndexBy2(); // index = index + 2
break;
case GroBufTypeCode.Int32:
case GroBufTypeCode.UInt32:
il.Ldc_I4(4);
context.AssertLength();
context.LoadObj(); // stack: [&result[index], obj]
il.Stind(typeof(int)); // result[index] = obj
context.IncreaseIndexBy4(); // index = index + 4
break;
case GroBufTypeCode.Int64:
case GroBufTypeCode.UInt64:
il.Ldc_I4(8);
context.AssertLength();
context.LoadObj(); // stack: [&result[index], obj]
il.Stind(typeof(long)); // result[index] = obj
context.IncreaseIndexBy8(); // index = index + 8
break;
case GroBufTypeCode.Single:
il.Ldc_I4(4);
context.AssertLength();
context.LoadObj(); // stack: [&result[index], obj]
il.Stind(typeof(float)); // result[index] = obj
context.IncreaseIndexBy4(); // index = index + 4
break;
case GroBufTypeCode.Double:
il.Ldc_I4(8);
context.AssertLength();
context.LoadObj(); // stack: [&result[index], obj]
il.Stind(typeof(double)); // result[index] = obj
context.IncreaseIndexBy8(); // index = index + 8
break;
case GroBufTypeCode.Decimal:
il.Ldc_I4(16);
context.AssertLength();
context.LoadObjByRef(); // stack: [&result[index], &obj]
il.Ldind(typeof(long)); // stack: [&result[index], (int64)*obj]
il.Stind(typeof(long)); // result[index] = (int64)*obj
context.IncreaseIndexBy8(); // index = index + 8
context.GoToCurrentLocation(); // stack: [&result[index]]
context.LoadObjByRef(); // stack: [&result[index], &obj]
il.Ldc_I4(8); // stack: [&result[index], &obj, 8]
il.Add(); // stack: [&result[index], &obj + 8]
il.Ldind(typeof(long)); // stack: [&result[index], *(&obj+8)]
il.Stind(typeof(long)); // result[index] = (int64)*(obj + 8)
context.IncreaseIndexBy8(); // index = index + 8
break;
default:
throw new NotSupportedException();
}
}
protected override void WriteNotEmpty(WriterMethodBuilderContext context)
{
var il = context.Il;
context.WriteTypeCode(GroBufTypeCode.Array);
var count = il.DeclareLocal(typeof(int));
context.LoadObj(); // stack: [obj]
il.Ldfld(Type.GetField("_size", BindingFlags.Instance | BindingFlags.NonPublic)); // stack: [obj.Count]
il.Stloc(count); // count = obj.Count; stack: []
var items = il.DeclareLocal(elementType.MakeArrayType());
context.LoadObj(); // stack: [obj]
il.Ldfld(Type.GetField("_items", BindingFlags.Instance | BindingFlags.NonPublic)); // stack: [obj._items]
il.Stloc(items); // items = obj._items; stack: []
context.LoadIndex(); // stack: [index]
var start = context.LocalInt;
il.Stloc(start); // start = index
il.Ldc_I4(8);
context.AssertLength(); // data length + list size = 8
context.IncreaseIndexBy4(); // index = index + 4
context.GoToCurrentLocation(); // stack: [&result[index]]
il.Ldloc(count); // stack: [&result[index], count]
il.Stind(typeof(int)); // *(int*)&result[index] = count; stack: []
context.IncreaseIndexBy4(); // index = index + 4
var writeDataLengthLabel = il.DefineLabel("writeDataLength");
il.Ldloc(count); // stack: [length]
il.Brfalse(writeDataLengthLabel); // if(length == 0) goto writeDataLength; stack: []
var i = il.DeclareLocal(typeof(int));
il.Ldc_I4(0); // stack: [0]
il.Stloc(i); // i = 0; stack: []
var cycleStart = il.DefineLabel("cycleStart");
il.MarkLabel(cycleStart);
il.Ldloc(items); // stack: [items]
il.Ldloc(i); // stack: [items, i]
il.Ldelem(elementType);
il.Ldc_I4(1); // stack: [obj[i], true]
context.LoadResult(); // stack: [obj[i], true, result]
context.LoadIndexByRef(); // stack: [obj[i], true, result, ref index]
context.LoadContext(); // stack: [obj[i], true, result, ref index, context]
context.CallWriter(elementType); // write<elementType>(obj[i], true, result, ref index, context); stack: []
il.Ldloc(count); // stack: [count]
il.Ldloc(i); // stack: [count, i]
il.Ldc_I4(1); // stack: [count, i, 1]
il.Add(); // stack: [count, i + 1]
il.Dup(); // stack: [count, i + 1, i + 1]
il.Stloc(i); // i = i + 1; stack: [count, i]
il.Bgt(cycleStart, false); // if(count > i) goto cycleStart; stack: []
il.MarkLabel(writeDataLengthLabel);
context.LoadResult(); // stack: [result]
il.Ldloc(start); // stack: [result, start]
il.Add(); // stack: [result + start]
context.LoadIndex(); // stack: [result + start, index]
il.Ldloc(start); // stack: [result + start, index, start]
il.Sub(); // stack: [result + start, index - start]
il.Ldc_I4(4); // stack: [result + start, index - start, 4]
il.Sub(); // stack: [result + start, index - start - 4]
il.Stind(typeof(int)); // *(int*)(result + start) = index - start - 4
}
protected override void WriteNotEmpty(WriterMethodBuilderContext context)
{
var il = context.Il;
context.WriteTypeCode(GroBufTypeCode.Array);
context.LoadIndex(); // stack: [index]
var start = context.LocalInt;
il.Stloc(start); // start = index
il.Ldc_I4(8);
context.AssertLength(); // data length + hashset size = 8
context.IncreaseIndexBy4(); // index = index + 4
context.GoToCurrentLocation(); // stack: [&result[index]]
context.LoadObj(); // stack: [&result[index], obj]
il.Call(Type.GetProperty("Count", BindingFlags.Instance | BindingFlags.Public).GetGetMethod()); // stack: [&result[index], obj.Count]
il.Stind(typeof(int)); // *(int*)&result[index] = obj.Count; stack: []
context.IncreaseIndexBy4(); // index = index + 4; stack: []
context.LoadObj(); // stack: [obj]
var count = il.DeclareLocal(typeof(int));
il.Ldfld(Type.GetPrivateInstanceField(PlatformHelpers.HashSetLastIndexFieldNames)); // stack: [obj.m_lastIndex]
il.Dup();
il.Stloc(count); // count = obj.m_lastIndex; stack: []
var writeDataLengthLabel = il.DefineLabel("writeDataLength");
il.Brfalse(writeDataLengthLabel);
context.LoadObj(); // stack: [obj]
var slotType = Type.GetNestedType("Slot", BindingFlags.NonPublic).MakeGenericType(Type.GetGenericArguments());
var slots = il.DeclareLocal(slotType.MakeArrayType());
il.Ldfld(Type.GetPrivateInstanceField(PlatformHelpers.HashSetSlotsFieldNames));
il.Stloc(slots);
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);
il.Ldloc(slots); // stack: [slots]
il.Ldloc(i); // stack: [slots, i]
il.Ldelema(slotType); // stack: [&slots[i]]
il.Dup(); // stack: [&slots[i], &slots[i]]
var slot = il.DeclareLocal(slotType.MakeByRefType());
il.Stloc(slot); // slot = &slots[i]; stack: [slot]
il.Ldfld(slotType.GetField("hashCode", BindingFlags.Instance | BindingFlags.NonPublic)); // stack: [slot.hashCode]
il.Ldc_I4(0); // stack: [slot.hashCode, 0]
var nextLabel = il.DefineLabel("next");
il.Blt(nextLabel, false); // if(slot.hashCode < 0) goto next; stack: []
il.Ldloc(slot); // stack: [slot]
il.Ldfld(slotType.GetField("value", BindingFlags.Instance | BindingFlags.NonPublic)); // stack: [slot.value]
il.Ldc_I4(1); // stack: [obj[i], true]
context.LoadResult(); // stack: [obj[i], true, result]
context.LoadIndexByRef(); // stack: [obj[i], true, result, ref index]
context.LoadContext(); // stack: [obj[i], true, result, ref index, context]
context.CallWriter(elementType); // write<elementType>(obj[i], true, result, ref index, context)
il.MarkLabel(nextLabel);
il.Ldloc(count); // stack: [count]
il.Ldloc(i); // stack: [count, i]
il.Ldc_I4(1); // stack: [count, i, 1]
il.Add(); // stack: [count, i + 1]
il.Dup(); // stack: [count, i + 1, i + 1]
il.Stloc(i); // i = i + 1; stack: [count, i]
il.Bgt(cycleStartLabel, false); // if(count > i) goto cycleStart; stack: []
il.MarkLabel(writeDataLengthLabel);
context.LoadResult(); // stack: [result]
il.Ldloc(start); // stack: [result, start]
il.Add(); // stack: [result + start]
context.LoadIndex(); // stack: [result + start, index]
il.Ldloc(start); // stack: [result + start, index, start]
il.Sub(); // stack: [result + start, index - start]
il.Ldc_I4(4); // stack: [result + start, index - start, 4]
il.Sub(); // stack: [result + start, index - start - 4]
il.Stind(typeof(int)); // *(int*)(result + start) = index - start - 4
}
protected override void WriteNotEmpty(WriterMethodBuilderContext context)
{
var il = context.Il;
context.WriteTypeCode(GroBufTypeCode.Dictionary);
context.LoadIndex(); // stack: [index]
var start = context.LocalInt;
il.Stloc(start); // start = index
il.Ldc_I4(8); // data length + dict size = 8
context.AssertLength();
context.IncreaseIndexBy4(); // index = index + 4
context.GoToCurrentLocation(); // stack: [&result[index]]
context.LoadObj(); // stack: [&result[index], obj]
il.Ldfld(Type.GetPrivateInstanceField(PlatformHelpers.HashtableCountFieldNames)); // stack: [&result[index], obj.Count]
il.Dup();
var count = il.DeclareLocal(typeof(int));
il.Stloc(count); // count = obj.Count; stack: [&result[index], obj.Count]
il.Stind(typeof(int)); // *(int*)&result[index] = count; stack: []
context.IncreaseIndexBy4(); // index = index + 4; stack: []
var writeDataLengthLabel = il.DefineLabel("writeDataLength");
il.Ldloc(count); // stack: [count]
il.Brfalse(writeDataLengthLabel); // if(count == 0) goto writeDataLength; stack: []
context.LoadObj(); // stack: [obj]
var bucketType = Type.GetNestedType("bucket", BindingFlags.NonPublic);
var buckets = il.DeclareLocal(bucketType.MakeArrayType());
var bucketsField = Type.GetPrivateInstanceField(PlatformHelpers.HashtableBucketsFieldNames);
il.Ldfld(bucketsField); // stack: [obj.buckets]
il.Stloc(buckets); // buckets = obj.buckets; stack: []
il.Ldloc(buckets); // stack: [buckets]
il.Ldlen(); // stack: [buckets.Length]
il.Stloc(count); // count = buckets.Length; 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);
il.Ldloc(buckets); // stack: [buckets]
il.Ldloc(i); // stack: [buckets, i]
il.Ldelema(bucketType); // stack: [&buckets[i]]
il.Dup(); // stack: [&buckets[i], &buckets[i]]
var bucket = il.DeclareLocal(bucketType.MakeByRefType());
il.Stloc(bucket); // bucket = &buckets[i]; stack: [bucket]
il.Ldfld(bucketType.GetField("key")); // stack: [bucket.key]
il.Dup(); // stack: [bucket.key, bucket.key]
var key = il.DeclareLocal(typeof(object));
il.Stloc(key); // key = bucket.key; stack: [key]
var nextLabel = il.DefineLabel("next");
il.Brfalse(nextLabel); // if(bucket.key == null) goto next; stack: []
il.Ldloc(key); // stack: [key]
context.LoadObj(); // stack: [key, obj]
il.Ldfld(bucketsField); // stack: [key, obj.buckets]
il.Beq(nextLabel); // if(key == obj.buckets) goto next; stack: []
il.Ldloc(key); // stack: [obj[i].key]
il.Ldc_I4(1); // stack: [obj[i].key, true]
context.LoadResult(); // stack: [obj[i].key, true, result]
context.LoadIndexByRef(); // stack: [obj[i].key, true, result, ref index]
context.LoadContext(); // stack: [obj[i].key, true, result, ref index, context]
context.CallWriter(typeof(object)); // write<object>(obj[i].key, true, result, ref index, context); stack: []
il.Ldloc(bucket); // stack: [bucket]
il.Ldfld(bucketType.GetField("val")); // stack: [bucket.val]
il.Ldc_I4(1); // stack: [obj[i].value, true]
context.LoadResult(); // stack: [obj[i].value, true, result]
context.LoadIndexByRef(); // stack: [obj[i].value, true, result, ref index]
context.LoadContext(); // stack: [obj[i].value, true, result, ref index, context]
context.CallWriter(typeof(object)); // writer<object>(obj[i].value, true, result, ref index, context); stack: []
il.MarkLabel(nextLabel);
il.Ldloc(count); // stack: [ count]
il.Ldloc(i); // stack: [count, i]
il.Ldc_I4(1); // stack: [count, i, 1]
il.Add(); // stack: [count, i + 1]
il.Dup(); // stack: [count, i + 1, i + 1]
il.Stloc(i); // i = i + 1; stack: [count, i]
il.Bgt(cycleStartLabel, false); // if(count > i) goto cycleStart; stack: []
il.MarkLabel(writeDataLengthLabel);
context.LoadResult(); // stack: [result]
il.Ldloc(start); // stack: [result, start]
il.Add(); // stack: [result + start]
context.LoadIndex(); // stack: [result + start, index]
il.Ldloc(start); // stack: [result + start, index, start]
il.Sub(); // stack: [result + start, index - start]
il.Ldc_I4(4); // stack: [result + start, index - start, 4]
il.Sub(); // stack: [result + start, index - start - 4]
il.Stind(typeof(int)); // *(int*)(result + start) = index - start - 4
}
public void BuildWriter(WriterTypeBuilderContext writerTypeBuilderContext)
{
var method = new DynamicMethod("Write_" + Type.Name + "_" + Guid.NewGuid(), typeof(void),
new[]
{
Type, typeof(bool), typeof(IntPtr), typeof(int).MakeByRefType(), typeof(WriterContext)
}, writerTypeBuilderContext.Module, true);
writerTypeBuilderContext.SetWriterMethod(Type, method);
using (var il = new GroboIL(method))
{
var context = new WriterMethodBuilderContext(writerTypeBuilderContext, il);
var notEmptyLabel = il.DefineLabel("notEmpty");
if (CheckEmpty(context, notEmptyLabel)) // Check if obj is empty
{
context.WriteNull(); // Write null & return
}
il.MarkLabel(notEmptyLabel); // Now we know that obj is not empty
if (!Type.IsValueType && IsReference && writerTypeBuilderContext.GroBufWriter.Options.HasFlag(GroBufOptions.PackReferences))
{
// Pack reference
var index = il.DeclareLocal(typeof(int));
context.LoadIndex(); // stack: [external index]
context.LoadContext(); // stack: [external index, context]
il.Ldfld(WriterContext.StartField); // stack: [external index, context.start]
il.Sub(); // stack: [external index - context.start]
il.Stloc(index); // index = external index - context.start; stack: []
context.LoadContext(); // stack: [context]
il.Ldfld(typeof(WriterContext).GetField("objects", BindingFlags.Public | BindingFlags.Instance)); // stack: [context.objects]
context.LoadObj(); // stack: [context.objects, obj]
var reference = il.DeclareLocal(typeof(int));
il.Ldloca(reference); // stack: [context.objects, obj, ref reference]
int dummy;
il.Call(HackHelpers.GetMethodDefinition <Dictionary <object, int> >(dict => dict.TryGetValue(null, out dummy))); // stack: [context.object.TryGetValue(obj, out reference)]
var storeLocationLabel = il.DefineLabel("storeLocation");
il.Brfalse(storeLocationLabel);
// Current object is in dict
il.Ldloc(index);
il.Ldloc(reference); // stack: [index, reference]
var skipSelfLabel = il.DefineLabel("skipSelf");
il.Beq(skipSelfLabel); // if(index == reference) goto skipSelf; stack: []
il.Ldloc(index); // stack: [index]
il.Ldloc(reference); // stack: [index, reference]
var badReferenceLabel = il.DefineLabel("badReference");
il.Blt(badReferenceLabel, false); // if(index < reference) goto badReference; stack: []
context.WriteTypeCode(GroBufTypeCode.Reference); // result[index++] = GroBufTypeCode.Reference
context.GoToCurrentLocation(); // stack: [&result[index]]
il.Ldloc(reference); // stack: [&result[index], reference]
il.Stind(typeof(int)); // *(int *)&result[index] = reference
context.IncreaseIndexBy4(); // index += 4
il.Ret();
il.MarkLabel(badReferenceLabel);
il.Ldstr("Bad reference");
il.Newobj(typeof(DataCorruptedException).GetConstructor(new[] { typeof(string) }));
il.Throw();
il.MarkLabel(storeLocationLabel);
context.LoadContext(); // stack: [context]
il.Ldfld(typeof(WriterContext).GetField("objects", BindingFlags.Public | BindingFlags.Instance)); // stack: [context.objects]
context.LoadObj(); // stack: [context.objects, obj]
il.Ldloc(index); // stack: [context.objects, obj, index]
il.Call(HackHelpers.GetMethodDefinition <Dictionary <object, int> >(dict => dict.Add(null, 0))); // context.objects.Add(obj, index);
il.MarkLabel(skipSelfLabel);
}
WriteNotEmpty(context); // Write obj
il.Ret();
}
var @delegate = method.CreateDelegate(typeof(WriterDelegate <>).MakeGenericType(Type));
var pointer = GroBufHelpers.ExtractDynamicMethodPointer(method);
writerTypeBuilderContext.SetWriterPointer(Type, pointer, @delegate);
}
