private static void EmitProcessAndEncodeDirect(IEmittingContext emittingContext, HandlerParameterCodec[] responseParameterCodecs, Type retvalType)
{
var il = emittingContext.IL;
EmitEncodeDirect(emittingContext, responseParameterCodecs, retvalType);
il.Call(TaskMethods.FromResult(typeof(byte[])));
}
private static void EmitEncodeDirect(IEmittingContext emittingContext, HandlerParameterCodec[] responseParameterCodecs, Type retvalType)
{
var il = emittingContext.IL;
bool hasRetval = retvalType != typeof(void);
if (hasRetval || responseParameterCodecs.Any())
{
HandlerRetvalCodec retvalCodec = null;
if (hasRetval)
{
retvalCodec = new HandlerRetvalCodec(emittingContext, retvalType);
retvalCodec.EmitStore(); // var ret = stack_0
retvalCodec.EmitCalculateSize(); // stack_0 = calculateSize(ret)
}
bool hasSizeOnStack = hasRetval;
foreach (var codec in responseParameterCodecs)
{
codec.EmitCalculateSize(); // stack_0 += calculateSize(param_i)
EmitAddIf(il, ref hasSizeOnStack);
}
var dataArrayVar = il.DeclareLocal(typeof(byte[])); // var dataArray = new byte[size of retval]
il.Newarr(typeof(byte));
il.Stloc(dataArrayVar);
var pinnedVar = il.PinArray(typeof(byte), dataArrayVar); // var pinned dataPointer = pin(dataArrayVar)
il.Ldloc(pinnedVar); // data = dataPointer
il.Stloc(emittingContext.DataPointerVar);
foreach (var codec in responseParameterCodecs)
codec.EmitEncode(); // encode(data, param_i)
if (hasRetval)
retvalCodec.EmitEncode(); // encode(data, ret)
il.Ldloc(dataArrayVar); // stack_0 = dataArray
}
else
{
il.Ldc_I4(0); // stack_0 = new byte[0]
il.Newarr(typeof(byte));
}
}
