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();
}
}
