public void EmitSerialize(CompilerContext context, Local value)
{
using (var address = context.Emit.DeclareLocal <string>("str"))
using (var port = context.Emit.DeclareLocal <ushort>("port"))
{
var isNullLabel = context.Emit.DefineLabel();
var writeLabel = context.Emit.DefineLabel();
// if (value == null) goto isNull
context.Emit.LoadLocal(value);
context.Emit.LoadNull();
context.Emit.BranchIfEqual(isNullLabel);
// address = value.Address.ToString()
context.Emit.LoadLocal(value);
context.Emit.Call(typeof(IPEndPoint).GetProperty(nameof(IPEndPoint.Address)).GetMethod);
context.Emit.CallVirtual(ReflectionHelper.GetMethod((IPEndPoint _) => _.ToString()));
context.Emit.StoreLocal(address);
// port = (ushort)value.Port
context.Emit.LoadLocal(value);
context.Emit.Call(typeof(IPEndPoint).GetProperty(nameof(IPEndPoint.Port)).GetMethod);
context.Emit.Convert <ushort>();
context.Emit.StoreLocal(port);
context.Emit.Branch(writeLabel);
context.Emit.MarkLabel(isNullLabel);
// address = "255.255.255.255"
context.Emit.LoadConstant("255.255.255.255");
context.Emit.StoreLocal(address);
context.Emit.MarkLabel(writeLabel);
// ProudNetBinaryWriterExtensions.WriteProudString(writer, address, false)
context.Emit.LoadReaderOrWriterParam();
context.Emit.LoadLocal(address);
context.Emit.LoadConstant(false);
context.Emit.Call(ReflectionHelper.GetMethod((BinaryWriter _) => _.WriteProudString(default(string), default(bool))));
// writer.Write(port)
context.EmitSerialize(port);
}
}
public void EmitSerialize(CompilerContext context, Local value)
{
var elementType = value.LocalType.GetElementType();
using (var length = context.Emit.DeclareLocal <int>("length"))
{
var writeLabel = context.Emit.DefineLabel();
// if (value != null) goto write
context.Emit.LoadLocal(value);
context.Emit.LoadNull();
context.Emit.CompareEqual();
context.Emit.BranchIfFalse(writeLabel);
// value = Array.Empty<>()
context.Emit.Call(typeof(Array)
.GetMethod(nameof(Array.Empty))
.GetGenericMethodDefinition()
.MakeGenericMethod(elementType));
context.Emit.StoreLocal(value);
// length = value.Length
context.Emit.MarkLabel(writeLabel);
context.Emit.LoadLocal(value);
context.Emit.Call(value.LocalType.GetProperty(nameof(Array.Length)).GetMethod);
context.Emit.StoreLocal(length);
// ProudNetBinaryWriterExtensions.WriteScalar(writer, length)
context.Emit.LoadReaderOrWriterParam();
context.Emit.LoadLocal(length);
context.Emit.Call(ReflectionHelper.GetMethod((BinaryWriter _) => _.WriteScalar(default(int))));
var loopLabel = context.Emit.DefineLabel();
var loopCheckLabel = context.Emit.DefineLabel();
using (var element = context.Emit.DeclareLocal(elementType, "element"))
using (var i = context.Emit.DeclareLocal <int>("i"))
{
context.Emit.Branch(loopCheckLabel);
context.Emit.MarkLabel(loopLabel);
// element = value[i]
context.Emit.LoadLocal(value);
context.Emit.LoadLocal(i);
context.Emit.LoadElement(elementType);
context.Emit.StoreLocal(element);
context.EmitSerialize(element);
// ++i
context.Emit.LoadLocal(i);
context.Emit.LoadConstant(1);
context.Emit.Add();
context.Emit.StoreLocal(i);
// i < length
context.Emit.MarkLabel(loopCheckLabel);
context.Emit.LoadLocal(i);
context.Emit.LoadLocal(length);
context.Emit.BranchIfLess(loopLabel);
}
}
}
