private DynamicMethod EmitDecode(bool doNoCheckBounds)
{
const int codecContainerArgIndex = 0;
const int dataArgIndex = 1;
const int remainingBytesArgIndex = 2;
var dynamicMethod = new DynamicMethod("_decode_manual_" + type.FullName + (doNoCheckBounds ? "_dncb_" : ""),
type, new[] { typeof(ICodecContainer), typeof(byte *).MakeByRefType(), typeof(int).MakeByRefType() }, Assembly.GetExecutingAssembly().ManifestModule, true);
var il = new MyILGenerator(dynamicMethod.GetILGenerator());
var context = new ManualCodecEmittingContext(il, codecContainerArgIndex);
il.Ldarg(dataArgIndex);
il.Ldind_I();
il.Stloc(context.DataPointerVar);
il.Ldarg(remainingBytesArgIndex);
il.Ldind_I4();
il.Stloc(context.RemainingBytesVar);
emittingCodec.EmitDecode(context, doNoCheckBounds);
il.Ldarg(dataArgIndex);
il.Ldloc(context.DataPointerVar);
il.Stind_I();
il.Ldarg(remainingBytesArgIndex);
il.Ldloc(context.RemainingBytesVar);
il.Stind_I4();
il.Ret();
return(dynamicMethod);
}
private DynamicMethod EmitCalculateSize()
{
const int codecContainerArgIndex = 0;
const int valueArgIndex = 1;
var dynamicMethod = new DynamicMethod("_calculate_size_manual_" + type.FullName,
typeof(int), new[] { typeof(ICodecContainer), type }, Assembly.GetExecutingAssembly().ManifestModule, true);
var il = new MyILGenerator(dynamicMethod.GetILGenerator());
var context = new ManualCodecEmittingContext(il, codecContainerArgIndex);
emittingCodec.EmitCalculateSize(context, valueArgIndex);
il.Ret();
return(dynamicMethod);
}
private DynamicMethod EmitEncode()
{
const int codecContainerArgIndex = 0;
const int dataArgIndex = 1;
const int valueArgIndex = 2;
var dynamicMethod = new DynamicMethod("_encode_manual_" + type.FullName,
typeof(void), new[] { typeof(ICodecContainer), typeof(byte *).MakeByRefType(), type }, Assembly.GetExecutingAssembly().ManifestModule, true);
var il = new MyILGenerator(dynamicMethod.GetILGenerator());
var context = new ManualCodecEmittingContext(il, codecContainerArgIndex);
il.Ldarg(dataArgIndex);
il.Ldind_I();
il.Stloc(context.DataPointerVar);
emittingCodec.EmitEncode(context, valueArgIndex);
il.Ldarg(dataArgIndex);
il.Ldloc(context.DataPointerVar);
il.Stind_I();
il.Ret();
return(dynamicMethod);
}
