public XamlILNodeEmitResult Emit(XamlEmitContext <IXamlILEmitter, XamlILNodeEmitResult> context, IXamlILEmitter codeGen)
{
var so = context.Configuration.WellKnownTypes.Object;
var isp = context.Configuration.TypeMappings.ServiceProvider;
var subType = context.CreateSubType("XamlClosure_" + context.Configuration.IdentifierGenerator.GenerateIdentifierPart(), so);
var buildMethod = subType.DefineMethod(so, new[]
{
isp
}, "Build", true, true, false);
CompileBuilder(new ILEmitContext(buildMethod.Generator, context.Configuration,
context.EmitMappings, runtimeContext: context.RuntimeContext,
contextLocal: buildMethod.Generator.DefineLocal(context.RuntimeContext.ContextType),
createSubType: (s, type) => subType.DefineSubType(type, s, false),
defineDelegateSubType: (s, returnType, parameters) => subType.DefineDelegateSubType(s, false, returnType, parameters),
file: context.File,
emitters: context.Emitters));
var funcType = Type.GetClrType();
codeGen
.Ldnull()
.Ldftn(buildMethod)
.Newobj(funcType.Constructors.FirstOrDefault(ct =>
ct.Parameters.Count == 2 && ct.Parameters[0].Equals(context.Configuration.WellKnownTypes.Object)));
// Allow to save values from the parent context, pass own service provider, etc, etc
if (context.Configuration.TypeMappings.DeferredContentExecutorCustomization != null)
{
var customization = context.Configuration.TypeMappings.DeferredContentExecutorCustomization;
if (_deferredContentCustomizationTypeParameter != null)
{
customization =
customization.MakeGenericMethod(new[] { _deferredContentCustomizationTypeParameter });
}
codeGen
.Ldloc(context.ContextLocal)
.EmitCall(customization);
}
subType.CreateType();
return(XamlILNodeEmitResult.Type(0, funcType));
}
