internal AbcMethod DefineMethod(Sig sig, AbcCoder coder, Action <AbcMethod> complete) { if (sig == null) { throw new ArgumentNullException("sig"); } if (!sig.IsInitilizer && sig.Name == null) { throw new InvalidOperationException(); } var klass = Class; if (klass == null) { throw new InvalidOperationException(string.Format("Class is not defined yet for Instance {0}", FullName)); } AbcMultiname traitName = null; AbcTrait trait; bool isStatic = (sig.Semantics & MethodSemantics.Static) != 0; var traits = isStatic ? klass.Traits : Traits; if (sig.IsInitilizer) { if (Initializer != null) { throw new InvalidOperationException(); } } else { traitName = Abc.DefineName(sig.Name); trait = traits.Find(traitName, sig.Kind); if (trait != null) { return(trait.Method); } } var method = new AbcMethod { Method = sig.Source }; var generator = Abc.Generator; if (sig.Source != null) { generator.SetData(sig.Source, method); } AbcMethodBody body = null; if (sig.IsAbstract) { if (coder != null) { throw new InvalidOperationException(); } } else { body = new AbcMethodBody(method); } Abc.AddMethod(method); if (sig.IsInitilizer) { Initializer = method; } else { //for non initializer method we must define trait and return type method.ReturnType = BuildReturnType(sig.ReturnType, method); trait = AbcTrait.CreateMethod(method, traitName); trait.Kind = sig.Kind; if (!isStatic) { trait.IsVirtual = (sig.Semantics & MethodSemantics.Virtual) != 0; trait.IsOverride = (sig.Semantics & MethodSemantics.Override) != 0; } traits.Add(trait); } if (sig.Args != null) { if (sig.Args.Length == 1 && sig.Args[0] is IMethod) { var m = (IMethod)sig.Args[0]; if (generator == null) { throw new InvalidOperationException(); } generator.MethodBuilder.BuildParameters(method, m); } else { Abc.AddParameters(method.Parameters, sig.Args); } } if (body != null && coder != null) { var code = new AbcCode(Abc); coder(code); body.Finish(code); } if (complete != null) { complete(method); } return(method); }