Esempio n. 1
0
        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);
        }