private void GeneratePayloadCode(
Type type, CodeWriter.CodeWriter w,
List<Tuple<MethodInfo, Tuple<string, string>>> method2PayloadTypeNames)
{
var tagName = Utility.GetActorInterfaceTagName(type);
w._($"[PayloadTable(typeof({type.GetSymbolDisplay(typeless: true)}), PayloadTableKind.Request)]");
using (w.B($"public static class {Utility.GetPayloadTableClassName(type)}{type.GetGenericParameters()}{type.GetGenericConstraintClause()}"))
{
// generate GetPayloadTypes method
using (w.B("public static Type[,] GetPayloadTypes()"))
{
using (w.i("return new Type[,] {", "};"))
{
foreach (var m in method2PayloadTypeNames)
{
var genericParameters = m.Item1.GetGenericParameters(typeless: true);
var payloadTypes = m.Item2;
var returnType = payloadTypes.Item2 != "" ? $"typeof({payloadTypes.Item2}{genericParameters})" : "null";
w._($"{{ typeof({payloadTypes.Item1}{genericParameters}), {returnType} }},");
}
}
}
// generate payload classes for all methods
foreach (var m in method2PayloadTypeNames)
{
var method = m.Item1;
var payloadTypes = m.Item2;
var returnType = method.ReturnType.GenericTypeArguments.FirstOrDefault();
var observerParameters = method.GetParameters()
.Select(p => Tuple.Create(p, Utility.GetReachableMemebers(p.ParameterType, Utility.IsObserverInterface).ToArray()))
.Where(i => i.Item2.Length > 0)
.ToArray();
// Invoke payload
if (Options.UseProtobuf)
w._("[ProtoContract, TypeAlias]");
var tagOverridable = tagName != null ? ", IPayloadTagOverridable" : "";
var observerUpdatable = observerParameters.Any() ? ", IPayloadObserverUpdatable" : "";
using (w.B($"public class {payloadTypes.Item1}{method.GetGenericParameters()}",
$": IInterfacedPayload, IAsyncInvokable{tagOverridable}{observerUpdatable}{method.GetGenericConstraintClause()}"))
{
// Parameters
var parameters = method.GetParameters();
for (var i = 0; i < parameters.Length; i++)
{
var parameter = parameters[i];
var attr = "";
var defaultValueExpression = "";
if (Options.UseProtobuf)
{
var defaultValueAttr =
parameter.HasNonTrivialDefaultValue()
? $", DefaultValue({parameter.DefaultValue.GetValueLiteral()})"
: "";
attr = $"[ProtoMember({i + 1}){defaultValueAttr}] ";
if (parameter.HasNonTrivialDefaultValue())
{
defaultValueExpression = " = " + parameter.DefaultValue.GetValueLiteral();
}
}
var typeName = parameter.ParameterType.GetSymbolDisplay(true);
w._($"{attr}public {typeName} {parameter.Name}{defaultValueExpression};");
}
if (parameters.Any())
w._();
// GetInterfaceType
using (w.B($"public Type GetInterfaceType()"))
{
w._($"return typeof({type.GetSymbolDisplay()});");
}
// InvokeAsync
if (Options.UseSlimClient)
{
using (w.B("public Task<IValueGetable> InvokeAsync(object __target)"))
{
w._("return null;");
}
}
else
{
using (w.B("public async Task<IValueGetable> InvokeAsync(object __target)"))
{
var parameterNames = string.Join(", ", method.GetParameters().Select(p => p.Name));
if (returnType != null)
{
w._($"var __v = await (({type.GetSymbolDisplay()})__target).{method.Name}{method.GetGenericParameters()}({parameterNames});",
$"return (IValueGetable)(new {payloadTypes.Item2}{method.GetGenericParameters()} {{ v = __v }});");
}
else
{
w._($"await (({type.GetSymbolDisplay()})__target).{method.Name}{method.GetGenericParameters()}({parameterNames});",
$"return null;");
}
}
}
// IPayloadTagOverridable.SetTag
if (tagName != null)
{
using (w.B($"void IPayloadTagOverridable.SetTag(object value)"))
{
var tagParameter = parameters.FirstOrDefault(pi => pi.Name == tagName);
if (tagParameter != null)
{
var typeName = tagParameter.ParameterType.GetSymbolDisplay(true);
w._($"{tagName} = ({typeName})value;");
}
}
}
// IPayloadObserverUpdatable.Update
if (observerParameters.Any())
{
using (w.B("void IPayloadObserverUpdatable.Update(Action<IInterfacedObserver> updater)"))
{
foreach (var p in observerParameters)
{
using (w.b($"if ({p.Item1.Name} != null)"))
{
foreach (var o in p.Item2)
{
if (o == "")
w._($"updater({p.Item1.Name});");
else
w._($"if ({p.Item1.Name}.{o} != null) updater({p.Item1.Name}.{o});");
}
}
}
}
}
}
// Return payload
if (returnType != null)
{
var actorRefs = Utility.GetReachableMemebers(returnType, Utility.IsActorInterface).ToArray();
if (Options.UseProtobuf)
w._("[ProtoContract, TypeAlias]");
var actorRefUpdatable = actorRefs.Any() ? ", IPayloadActorRefUpdatable" : "";
using (w.B($"public class {payloadTypes.Item2}{method.GetGenericParameters()}",
$": IInterfacedPayload, IValueGetable{actorRefUpdatable}{method.GetGenericConstraintClause()}"))
{
var attr = (Options.UseProtobuf) ? "[ProtoMember(1)] " : "";
w._($"{attr}public {returnType.GetSymbolDisplay(true)} v;");
w._();
// GetInterfaceType
using (w.B("public Type GetInterfaceType()"))
{
w._($"return typeof({type.GetSymbolDisplay()});");
}
// IValueGetable.Value
using (w.B("public object Value"))
{
w._($"get {{ return v; }}");
}
// IPayloadActorRefUpdatable.Update
if (actorRefs.Any())
{
using (w.B("void IPayloadActorRefUpdatable.Update(Action<object> updater)"))
{
using (w.b($"if (v != null)"))
{
foreach (var r in actorRefs)
{
if (r == "")
w._($"updater(v); ");
else
w._($"if (v.{r} != null) updater(v.{r});");
}
}
}
}
}
}
}
}
}
private void GenerateSyncCode(
Type type, CodeWriter.CodeWriter w, Type[] baseTypes,
Tuple<Type, List<Tuple<MethodInfo, Tuple<string, string>>>>[] typeInfos)
{
// NoReply Interface
var baseSynces = baseTypes.Select(t => Utility.GetActorSyncInterfaceName(t));
var baseSyncesInherit = baseSynces.Any() ? string.Join(", ", baseSynces) : "IInterfacedActorSync";
w._($"[AlternativeInterface(typeof({type.GetSymbolDisplay(typeless: true)}))]");
using (w.B($"public interface {Utility.GetActorSyncInterfaceName(type)}{type.GetGenericParameters()} : {baseSyncesInherit}{type.GetGenericConstraintClause()}"))
{
foreach (var m in typeInfos.First().Item2)
{
var method = m.Item1;
var parameters = method.GetParameters();
var paramStr = string.Join(", ", parameters.Select(p => p.GetParameterDeclaration(true)));
var returnType = method.ReturnType.GenericTypeArguments.FirstOrDefault();
var returnTypeLiteral = (returnType != null) ? returnType.GetSymbolDisplay(true) : "void";
w._($"{returnTypeLiteral} {method.Name}{method.GetGenericParameters()}({paramStr}){method.GetGenericConstraintClause()};");
}
}
}
private void GeneratePayloadCode(
Type type, CodeWriter.CodeWriter w,
List<Tuple<MethodInfo, string>> method2PayloadTypeNames)
{
w._($"[PayloadTable(typeof({type.GetSymbolDisplay(typeless: true)}), PayloadTableKind.Notification)]");
using (w.B($"public static class {Utility.GetPayloadTableClassName(type)}{type.GetGenericParameters()}{type.GetGenericConstraintClause()}"))
{
// generate GetPayloadTypes method
using (w.B("public static Type[] GetPayloadTypes()"))
{
using (w.i("return new Type[] {", "};"))
{
foreach (var m in method2PayloadTypeNames)
{
var genericParameters = m.Item1.GetGenericParameters(typeless: true);
w._($"typeof({m.Item2}{genericParameters}),");
}
}
}
// generate payload classes for all methods
foreach (var m in method2PayloadTypeNames)
{
var method = m.Item1;
var payloadTypeName = m.Item2;
// Invoke payload
if (Options.UseProtobuf)
w._("[ProtoContract, TypeAlias]");
using (w.B($"public class {payloadTypeName}{method.GetGenericParameters()} : IInterfacedPayload, IInvokable{method.GetGenericConstraintClause()}"))
{
// Parameters
var parameters = method.GetParameters();
for (var i = 0; i < parameters.Length; i++)
{
var parameter = parameters[i];
var attr = "";
var defaultValueExpression = "";
if (Options.UseProtobuf)
{
var defaultValueAttr =
parameter.HasNonTrivialDefaultValue()
? $", DefaultValue({parameter.DefaultValue.GetValueLiteral()})"
: "";
attr = $"[ProtoMember({i + 1}){defaultValueAttr}] ";
if (parameter.HasNonTrivialDefaultValue())
{
defaultValueExpression = " = " + parameter.DefaultValue.GetValueLiteral();
}
}
var typeName = parameter.ParameterType.GetSymbolDisplay(true);
w._($"{attr}public {typeName} {parameter.Name}{defaultValueExpression};");
}
if (parameters.Any())
w._();
// GetInterfaceType
using (w.B("public Type GetInterfaceType()"))
{
w._($"return typeof({type.GetSymbolDisplay()});");
}
// Invoke
using (w.B("public void Invoke(object __target)"))
{
var parameterNames = string.Join(", ", method.GetParameters().Select(p => p.Name));
w._($"(({type.GetSymbolDisplay()})__target).{method.Name}{method.GetGenericParameters()}({parameterNames});");
}
}
}
}
}
private void GenerateRefCode(
Type type, CodeWriter.CodeWriter w, Type[] baseTypes,
Tuple<Type, List<Tuple<MethodInfo, Tuple<string, string>>>>[] typeInfos)
{
// NoReply Interface
var baseNoReplys = baseTypes.Select(t => Utility.GetNoReplyInterfaceName(t));
var baseNoReplysInherit = baseNoReplys.Any() ? " : " + string.Join(", ", baseNoReplys) : "";
using (w.B($"public interface {Utility.GetNoReplyInterfaceName(type)}{type.GetGenericParameters()}{baseNoReplysInherit}{type.GetGenericConstraintClause()}"))
{
foreach (var m in typeInfos.First().Item2)
{
var method = m.Item1;
var parameters = method.GetParameters();
var paramStr = string.Join(", ", parameters.Select(p => p.GetParameterDeclaration(true)));
w._($"void {method.Name}{method.GetGenericParameters()}({paramStr}){method.GetGenericConstraintClause()};");
}
}
// ActorRef
var refClassName = Utility.GetActorRefClassName(type);
var refClassGenericName = refClassName + type.GetGenericParameters();
var noReplyInterfaceName = Utility.GetNoReplyInterfaceName(type);
var noReplyInterfaceGenericName = noReplyInterfaceName + type.GetGenericParameters();
using (w.B($"public class {refClassName}{type.GetGenericParameters()} : InterfacedActorRef, {type.GetSymbolDisplay()}, {noReplyInterfaceName}{type.GetGenericParameters()}{type.GetGenericConstraintClause()}"))
{
// InterfaceType property
w._($"public override Type InterfaceType => typeof({type.GetSymbolDisplay()});");
w._();
// Constructors
using (w.B($"public {refClassName}() : base(null)"))
{
}
using (w.B($"public {refClassName}(IRequestTarget target) : base(target)"))
{
}
using (w.B($"public {refClassName}(IRequestTarget target, IRequestWaiter requestWaiter, TimeSpan? timeout = null) : base(target, requestWaiter, timeout)"))
{
}
// With Helpers
using (w.B($"public {noReplyInterfaceGenericName} WithNoReply()"))
{
w._("return this;");
}
using (w.B($"public {refClassGenericName} WithRequestWaiter(IRequestWaiter requestWaiter)"))
{
w._($"return new {refClassGenericName}(Target, requestWaiter, Timeout);");
}
using (w.B($"public {refClassGenericName} WithTimeout(TimeSpan? timeout)"))
{
w._($"return new {refClassGenericName}(Target, RequestWaiter, timeout);");
}
// IInterface message methods
foreach (var t in typeInfos)
{
var payloadTableClassName = Utility.GetPayloadTableClassName(t.Item1) + type.GetGenericParameters();
foreach (var m in t.Item2)
{
var method = m.Item1;
var payloadTypes = m.Item2;
var parameters = method.GetParameters();
var parameterTypeNames = string.Join(", ", parameters.Select(p => p.GetParameterDeclaration(true)));
var parameterInits = string.Join(", ", parameters.Select(Utility.GetParameterAssignment));
var returnType = method.ReturnType.GenericTypeArguments.FirstOrDefault();
// Request Methods
var returnTaskType = (returnType != null) ? $"Task<{returnType.GetSymbolDisplay(true)}>" : "Task";
var prototype = $"public {returnTaskType} {method.Name}{method.GetGenericParameters()}({parameterTypeNames}){method.GetGenericConstraintClause()}";
using (w.B(prototype))
{
using (w.i("var requestMessage = new RequestMessage {", "};"))
{
w._($"InvokePayload = new {payloadTableClassName}.{payloadTypes.Item1}{method.GetGenericParameters()} {{ {parameterInits} }}");
}
if (returnType != null)
w._($"return SendRequestAndReceive<{returnType.GetSymbolDisplay(true)}>(requestMessage);");
else
w._($"return SendRequestAndWait(requestMessage);");
}
}
}
// IInterface_NoReply message methods
foreach (var t in typeInfos)
{
var interfaceName = Utility.GetNoReplyInterfaceName(t.Item1);
var interfaceGenericName = interfaceName + t.Item1.GetGenericParameters();
var payloadTableClassName = Utility.GetPayloadTableClassName(t.Item1) + type.GetGenericParameters();
foreach (var m in t.Item2)
{
var method = m.Item1;
var payloadTypes = m.Item2;
var parameters = method.GetParameters();
var parameterTypeNames = string.Join(", ", parameters.Select(p => p.GetParameterDeclaration(false)));
var parameterInits = string.Join(", ", parameters.Select(Utility.GetParameterAssignment));
// Request Methods
using (w.B($"void {interfaceGenericName}.{method.Name}{method.GetGenericParameters()}({parameterTypeNames})"))
{
using (w.i("var requestMessage = new RequestMessage {", "};"))
{
w._($"InvokePayload = new {payloadTableClassName}.{payloadTypes.Item1}{method.GetGenericParameters()} {{ {parameterInits} }}");
}
w._("SendRequest(requestMessage);");
}
}
}
}
// Protobuf-net specialized
if (Options.UseProtobuf)
{
var surrogateClassName = Utility.GetSurrogateClassName(type);
w._("[ProtoContract]");
using (w.B($"public class {surrogateClassName}"))
{
w._($"[ProtoMember(1)] public IRequestTarget Target;");
w._();
w._("[ProtoConverter]");
using (w.B($"public static {surrogateClassName} Convert({type.Name} value)"))
{
w._($"if (value == null) return null;");
w._($"return new {surrogateClassName} {{ Target = (({refClassName})value).Target }};");
}
w._("[ProtoConverter]");
using (w.B($"public static {type.Name} Convert({surrogateClassName} value)"))
{
w._($"if (value == null) return null;");
w._($"return new {refClassName}(value.Target);");
}
}
}
}
private void GenerateObserverCode(
Type type, CodeWriter.CodeWriter w, Type[] baseTypes,
Tuple<Type, List<Tuple<MethodInfo, string>>>[] typeInfos)
{
var className = Utility.GetObserverClassName(type);
using (w.B($"public class {className}{type.GetGenericParameters()} : InterfacedObserver, {type.GetSymbolDisplay()}{type.GetGenericConstraintClause()}"))
{
// Constructor
using (w.B($"public {className}()",
$": base(null, 0)"))
{
}
// Constructor (INotificationChannel)
using (w.B($"public {className}(INotificationChannel channel, int observerId = 0)",
$": base(channel, observerId)"))
{
}
// Observer method messages
foreach (var t in typeInfos)
{
var payloadTableClassName = Utility.GetPayloadTableClassName(t.Item1) + type.GetGenericParameters();
foreach (var m in t.Item2)
{
var method = m.Item1;
var payloadType = m.Item2;
var parameters = method.GetParameters();
var parameterNames = string.Join(", ", parameters.Select(p => p.Name));
var parameterTypeNames = string.Join(", ", parameters.Select(p => (p.GetCustomAttribute<ParamArrayAttribute>() != null ? "params " : "") + p.ParameterType.GetSymbolDisplay(true) + " " + p.Name));
var parameterInits = string.Join(", ", parameters.Select(Utility.GetParameterAssignment));
// Request Methods
using (w.B($"public void {method.Name}{method.GetGenericParameters()}({parameterTypeNames}){method.GetGenericConstraintClause()}"))
{
w._($"var payload = new {payloadTableClassName}.{payloadType}{method.GetGenericParameters()} {{ {parameterInits} }};",
$"Notify(payload);");
}
}
}
}
// Protobuf-net specialized
if (Options.UseProtobuf)
{
var surrogateClassName = Utility.GetSurrogateClassName(type);
w._("[ProtoContract]");
using (w.B($"public class {surrogateClassName}"))
{
w._("[ProtoMember(1)] public INotificationChannel Channel;");
w._("[ProtoMember(2)] public int ObserverId;");
w._();
w._("[ProtoConverter]");
using (w.B($"public static {surrogateClassName} Convert({type.Name} value)"))
{
w._($"if (value == null) return null;");
w._($"var o = ({className})value;");
w._($"return new {surrogateClassName} {{ Channel = o.Channel, ObserverId = o.ObserverId }};");
}
w._("[ProtoConverter]");
using (w.B($"public static {type.Name} Convert({surrogateClassName} value)"))
{
w._($"if (value == null) return null;");
w._($"return new {className}(value.Channel, value.ObserverId);");
}
}
}
}