IXamlIlType EmitTypeDescriptorContextStub(IXamlIlTypeSystem typeSystem, IXamlIlTypeBuilder builder, XamlIlLanguageTypeMappings mappings) { if (mappings.TypeDescriptorContext == null) { return(null); } var tdc = mappings.TypeDescriptorContext; var tdcPrefix = tdc.Namespace + "." + tdc.Name + "."; builder.AddInterfaceImplementation(mappings.TypeDescriptorContext); void PropertyStub(string name) => ImplementInterfacePropertyGetter(builder, tdc, name).Generator.Ldnull().Ret(); PropertyStub("Container"); PropertyStub("Instance"); PropertyStub("PropertyDescriptor"); void MethodStub(string name) { var original = tdc.FindMethod(m => m.Name == name); builder.DefineMethod(original.ReturnType, original.Parameters, tdcPrefix + name, false, false, true, original) .Generator .Emit(OpCodes.Newobj, typeSystem.FindType("System.NotSupportedException").FindConstructor(new List <IXamlIlType>())) .Emit(OpCodes.Throw); } MethodStub("OnComponentChanging"); MethodStub("OnComponentChanged"); return(mappings.TypeDescriptorContext); }
public XamlIlContext(IXamlIlType definition, IXamlIlType constructedType, XamlIlLanguageTypeMappings mappings, string baseUri, List <IXamlIlField> staticProviders) : this(definition, constructedType, mappings, (context, codegen) => { if (staticProviders?.Count > 0) { var so = codegen.TypeSystem.GetType("System.Object"); codegen.Ldc_I4(staticProviders.Count) .Newarr(so); for (var c = 0; c < staticProviders.Count; c++) { codegen .Dup() .Ldc_I4(c) .Ldsfld(staticProviders[c]) .Castclass(so) .Stelem_ref(); } } else { codegen.Ldnull(); } codegen.Ldstr(baseUri) .Newobj(context.Constructor); }) { }
public XamlIlContext(IXamlIlType definition, IXamlIlType constructedType, XamlIlLanguageTypeMappings mappings, Action <XamlIlContext, IXamlIlEmitter> factory) { ContextType = definition.MakeGenericType(constructedType); IXamlIlField Get(string s) => ContextType.Fields.FirstOrDefault(f => f.Name == s); IXamlIlMethod GetMethod(string s) => ContextType.Methods.FirstOrDefault(f => f.Name == s); RootObjectField = Get(XamlIlContextDefinition.RootObjectFieldName); IntermediateRootObjectField = Get(XamlIlContextDefinition.IntermediateRootObjectFieldName); ParentListField = Get(XamlIlContextDefinition.ParentListFieldName); PropertyTargetObject = Get(XamlIlContextDefinition.ProvideTargetObjectName); PropertyTargetProperty = Get(XamlIlContextDefinition.ProvideTargetPropertyName); PushParentMethod = GetMethod(XamlIlContextDefinition.PushParentMethodName); PopParentMethod = GetMethod(XamlIlContextDefinition.PopParentMethodName); Constructor = ContextType.Constructors.First(); Factory = il => factory(this, il); if (mappings.ContextFactoryCallback != null) { Factory = il => { factory(this, il); mappings.ContextFactoryCallback(this, il); } } ; }
private XamlIlContextDefinition(IXamlIlTypeBuilder parentBuilder, IXamlIlTypeSystem typeSystem, XamlIlLanguageTypeMappings mappings) { var so = typeSystem.GetType("System.Object"); var builder = parentBuilder.DefineSubType(so, "Context", true); builder.DefineGenericParameters(new[] { new KeyValuePair <string, XamlIlGenericParameterConstraint>("TTarget", new XamlIlGenericParameterConstraint { IsClass = true }) }); var rootObjectField = builder.DefineField(builder.GenericParameters[0], "RootObject", true, false); _parentServiceProviderField = builder.DefineField(mappings.ServiceProvider, "_sp", false, false); if (mappings.InnerServiceProviderFactoryMethod != null) { _innerServiceProviderField = builder.DefineField(mappings.ServiceProvider, "_innerSp", false, false); } var staticProvidersField = builder.DefineField(typeSystem.GetType("System.Object").MakeArrayType(1), "_staticProviders", false, false); var systemType = typeSystem.GetType("System.Type"); var systemUri = typeSystem.GetType("System.Uri"); var systemString = typeSystem.GetType("System.String"); var getServiceInterfaceMethod = mappings.ServiceProvider.FindMethod("GetService", so, false, systemType); var ownServices = new List <IXamlIlType>(); var ctorCallbacks = new List <Action <IXamlIlEmitter> >(); if (mappings.RootObjectProvider != null) { builder.AddInterfaceImplementation(mappings.RootObjectProvider); var rootGen = ImplementInterfacePropertyGetter(builder, mappings.RootObjectProvider, RootObjectFieldName) .Generator; var tryParent = rootGen.DefineLabel(); var fail = rootGen.DefineLabel(); var parentRootProvider = rootGen.DefineLocal(mappings.RootObjectProvider); rootGen // if(RootObject!=null) return RootObject; .LdThisFld(rootObjectField) .Box(rootObjectField.FieldType) .Brfalse(tryParent) .LdThisFld(rootObjectField) .Box(rootObjectField.FieldType) .Ret() // if(_sp == null) goto fail; .MarkLabel(tryParent) .LdThisFld(_parentServiceProviderField) .Brfalse(fail) // parentProv = (IRootObjectProvider)_sp.GetService(typeof(IRootObjectProvider)); .LdThisFld(_parentServiceProviderField) .Ldtype(mappings.RootObjectProvider) .EmitCall(getServiceInterfaceMethod) .Castclass(mappings.RootObjectProvider) .Stloc(parentRootProvider) // if(parentProv == null) goto fail; .Ldloc(parentRootProvider) .Brfalse(fail) // return parentProv.Root; .Ldloc(parentRootProvider) .EmitCall(mappings.RootObjectProvider.FindMethod(m => m.Name == "get_RootObject")) .Ret() // fail: .MarkLabel(fail) .Ldnull() .Ret(); ownServices.Add(mappings.RootObjectProvider); } if (mappings.ParentStackProvider != null) { builder.AddInterfaceImplementation(mappings.ParentStackProvider); var objectListType = typeSystem.GetType("System.Collections.Generic.List`1") .MakeGenericType(new[] { typeSystem.GetType("System.Object") }); ParentListField = builder.DefineField(objectListType, ParentListFieldName, true, false); var enumerator = EmitParentEnumerable(typeSystem, parentBuilder, mappings); CreateCallbacks.Add(enumerator.createCallback); var parentStackEnumerableField = builder.DefineField( typeSystem.GetType("System.Collections.Generic.IEnumerable`1").MakeGenericType(new[] { so }), "_parentStackEnumerable", false, false); ImplementInterfacePropertyGetter(builder, mappings.ParentStackProvider, "Parents") .Generator.LdThisFld(parentStackEnumerableField).Ret(); ctorCallbacks.Add(g => g .Emit(OpCodes.Ldarg_0) .Emit(OpCodes.Newobj, objectListType.FindConstructor(new List <IXamlIlType>())) .Emit(OpCodes.Stfld, ParentListField) .Emit(OpCodes.Ldarg_0) .LdThisFld(ParentListField) .LdThisFld(_parentServiceProviderField) .Emit(OpCodes.Newobj, enumerator.ctor) .Emit(OpCodes.Stfld, parentStackEnumerableField)); ownServices.Add(mappings.ParentStackProvider); } ownServices.Add(EmitTypeDescriptorContextStub(typeSystem, builder, mappings)); if (mappings.ProvideValueTarget != null) { builder.AddInterfaceImplementation(mappings.ProvideValueTarget); PropertyTargetObject = builder.DefineField(so, ProvideTargetObjectName, true, false); PropertyTargetProperty = builder.DefineField(so, ProvideTargetPropertyName, true, false); ImplementInterfacePropertyGetter(builder, mappings.ProvideValueTarget, "TargetObject") .Generator.LdThisFld(PropertyTargetObject).Ret(); ImplementInterfacePropertyGetter(builder, mappings.ProvideValueTarget, "TargetProperty") .Generator.LdThisFld(PropertyTargetProperty).Ret(); ownServices.Add(mappings.ProvideValueTarget); } IXamlIlField baseUriField = null; if (mappings.UriContextProvider != null) { baseUriField = builder.DefineField(systemUri, "_baseUri", false, false); builder.AddInterfaceImplementation(mappings.UriContextProvider); var getter = builder.DefineMethod(systemUri, new IXamlIlType[0], "get_BaseUri", true, false, true); var setter = builder.DefineMethod(typeSystem.GetType("System.Void"), new[] { systemUri }, "set_BaseUri", true, false, true); getter.Generator .LdThisFld(baseUriField) .Ret(); setter.Generator .Ldarg_0() .Ldarg(1) .Stfld(baseUriField) .Ret(); builder.DefineProperty(systemUri, "BaseUri", setter, getter); ownServices.Add(mappings.UriContextProvider); } builder.AddInterfaceImplementation(mappings.ServiceProvider); var getServiceMethod = builder.DefineMethod(so, new[] { systemType }, "GetService", true, false, true); ownServices = ownServices.Where(s => s != null).ToList(); if (_innerServiceProviderField != null) { var next = getServiceMethod.Generator.DefineLabel(); var innerResult = getServiceMethod.Generator.DefineLocal(so); getServiceMethod.Generator //if(_inner == null) goto next; .LdThisFld(_innerServiceProviderField) .Brfalse(next) // var innerRes = _inner.GetService(type); .LdThisFld(_innerServiceProviderField) .Ldarg(1) .EmitCall(getServiceInterfaceMethod) .Stloc(innerResult) // if(innerRes == null) goto next; .Ldloc(innerResult) .Brfalse(next) // return innerRes .Ldloc(innerResult) .Ret() .MarkLabel(next); } var compare = systemType.FindMethod("Equals", typeSystem.GetType("System.Boolean"), false, systemType); var isAssignableFrom = systemType.FindMethod("IsAssignableFrom", typeSystem.GetType("System.Boolean"), false, systemType); var fromHandle = systemType.Methods.First(m => m.Name == "GetTypeFromHandle"); var getTypeFromObject = so.Methods.First(m => m.Name == "GetType" && m.Parameters.Count == 0); if (ownServices.Count != 0) { for (var c = 0; c < ownServices.Count; c++) { var next = getServiceMethod.Generator.DefineLabel(); getServiceMethod.Generator .Emit(OpCodes.Ldtoken, ownServices[c]) .EmitCall(fromHandle) .Emit(OpCodes.Ldarg_1) .Emit(OpCodes.Callvirt, compare) .Emit(OpCodes.Brfalse, next) .Emit(OpCodes.Ldarg_0) .Emit(OpCodes.Ret) .MarkLabel(next); } } var staticProviderIndex = getServiceMethod.Generator.DefineLocal(typeSystem.GetType("System.Int32")); var staticProviderNext = getServiceMethod.Generator.DefineLabel(); var staticProviderFailed = getServiceMethod.Generator.DefineLabel(); var staticProviderEnd = getServiceMethod.Generator.DefineLabel(); var staticProviderElement = getServiceMethod.Generator.DefineLocal(so); getServiceMethod.Generator //start: if(_staticProviders == null) goto: end .LdThisFld(staticProvidersField) .Brfalse(staticProviderEnd) // var c = 0 .Ldc_I4(0) .Stloc(staticProviderIndex) // next: .MarkLabel(staticProviderNext) // if(c >= _staticProviders.Length) goto: end .Ldloc(staticProviderIndex) .LdThisFld(staticProvidersField) .Ldlen() .Bge(staticProviderEnd) // var obj = _staticProviders[c] .LdThisFld(staticProvidersField) .Ldloc(staticProviderIndex) .Ldelem_ref() // dup .Stloc(staticProviderElement) .Ldarg(1) .Ldloc(staticProviderElement) // if(obj.GetType().Equals(arg1)) return obj; else goto failed; .EmitCall(getTypeFromObject) .EmitCall(isAssignableFrom) .Brfalse(staticProviderFailed) .Ldloc(staticProviderElement) .Ret() // failed: .MarkLabel(staticProviderFailed) // c++ .Ldloc(staticProviderIndex) .Ldc_I4(1) .Add() .Stloc(staticProviderIndex) // goto: start .Br(staticProviderNext) // end: .MarkLabel(staticProviderEnd); var noParentProvider = getServiceMethod.Generator.DefineLabel(); getServiceMethod.Generator .LdThisFld(_parentServiceProviderField) .Brfalse(noParentProvider) .LdThisFld(_parentServiceProviderField) .Ldarg(1) .EmitCall(getServiceInterfaceMethod) .Emit(OpCodes.Ret) .MarkLabel(noParentProvider) .Ldnull() .Ret(); var ctor = builder.DefineConstructor(false, mappings.ServiceProvider, staticProvidersField.FieldType, systemString); ctor.Generator .Emit(OpCodes.Ldarg_0) .Emit(OpCodes.Call, so.Constructors.First()) .Emit(OpCodes.Ldarg_0) .Emit(OpCodes.Ldarg_1) .Emit(OpCodes.Stfld, _parentServiceProviderField) .Emit(OpCodes.Ldarg_0) .Emit(OpCodes.Ldarg_2) .Emit(OpCodes.Stfld, staticProvidersField); if (baseUriField != null) { var noUri = ctor.Generator.DefineLabel(); ctor.Generator .Emit(OpCodes.Ldarg_3) .Brfalse(noUri) .Emit(OpCodes.Ldarg_0) .Emit(OpCodes.Ldarg_3) .Newobj(systemUri.FindConstructor(new List <IXamlIlType> { typeSystem.GetType("System.String") })) .Emit(OpCodes.Stfld, baseUriField) .MarkLabel(noUri); } foreach (var feature in ctorCallbacks) { feature(ctor.Generator); } // We are calling this last to ensure that our own services are ready if (_innerServiceProviderField != null) { ctor.Generator // _innerSp = InnerServiceProviderFactory(this) .Ldarg_0() .Ldarg_0() .EmitCall(mappings.InnerServiceProviderFactoryMethod) .Stfld(_innerServiceProviderField); } ctor.Generator.Emit(OpCodes.Ret); Constructor = ctor; CreateCallbacks.Add(() => { parentBuilder.CreateType(); }); EmitPushPopParent(builder, typeSystem); CreateAllTypes(); ContextType = builder.CreateType(); }
public static IXamlIlType GenerateContextClass(IXamlIlTypeBuilder builder, IXamlIlTypeSystem typeSystem, XamlIlLanguageTypeMappings mappings) { return(new XamlIlContextDefinition(builder, typeSystem, mappings).ContextType); }
public static XamlIlContext GenerateContextClass(IXamlIlTypeBuilder builder, IXamlIlTypeSystem typeSystem, XamlIlLanguageTypeMappings mappings, IXamlIlType rootType) { var rootObjectField = builder.DefineField(rootType, "RootObject", true, false); var so = typeSystem.GetType("System.Object"); var systemType = typeSystem.GetType("System.Type"); var runtimeType = typeSystem.GetType("System.RuntimeTypeHandle"); var ownServices = new List <IXamlIlType>(); if (mappings.RootObjectProvider != null) { builder.AddInterfaceImplementation(mappings.RootObjectProvider); var getRootObject = builder.DefineMethod(so, new IXamlIlType[0], "get_RootObject", true, false, true); builder.DefineProperty(so, "RootObject", null, getRootObject); getRootObject.Generator .Emit(OpCodes.Ldarg_0) .Emit(OpCodes.Ldfld, rootObjectField) .Emit(OpCodes.Ret); ownServices.Add(mappings.RootObjectProvider); } var spField = builder.DefineField(mappings.ServiceProvider, "_sp", false, false); builder.AddInterfaceImplementation(mappings.ServiceProvider); var getServiceMethod = builder.DefineMethod(so, new[] { systemType }, "GetService", true, false, true); if (ownServices.Count != 0) { var compare = systemType.FindMethod("Equals", typeSystem.GetType("System.Boolean"), false, systemType); var fromHandle = systemType.Methods.First(m => m.Name == "GetTypeFromHandle"); for (var c = 0; c < ownServices.Count; c++) { var next = getServiceMethod.Generator.DefineLabel(); getServiceMethod.Generator .Emit(OpCodes.Ldtoken, ownServices[c]) .Emit(OpCodes.Call, fromHandle) .Emit(OpCodes.Ldarg_1) .Emit(OpCodes.Callvirt, compare) .Emit(OpCodes.Brfalse, next) .Emit(OpCodes.Ldarg_0) .Emit(OpCodes.Ret) .MarkLabel(next); } } getServiceMethod.Generator .Emit(OpCodes.Ldarg_0) .Emit(OpCodes.Ldfld, spField) .Emit(OpCodes.Ldarg_1) .Emit(OpCodes.Callvirt, mappings.ServiceProvider.FindMethod("GetService", so, false, systemType)) .Emit(OpCodes.Ret); var ctor = builder.DefineConstructor(mappings.ServiceProvider); ctor.Generator .Emit(OpCodes.Ldarg_0) .Emit(OpCodes.Call, so.Constructors.First()) .Emit(OpCodes.Ldarg_0) .Emit(OpCodes.Ldarg_1) .Emit(OpCodes.Stfld, spField) .Emit(OpCodes.Ret); return(new XamlIlContext { Constructor = ctor, RootObjectField = rootObjectField, ContextType = builder.CreateType() }); }
private XamlIlContext(IXamlIlTypeBuilder builder, IXamlIlTypeSystem typeSystem, XamlIlLanguageTypeMappings mappings, IXamlIlType rootType, IEnumerable <IXamlIlField> staticProviders, string baseUri) { RootObjectField = builder.DefineField(rootType, "RootObject", true, false); _parentServiceProviderField = builder.DefineField(mappings.ServiceProvider, "_sp", false, false); if (mappings.InnerServiceProviderFactoryMethod != null) { _innerServiceProviderField = builder.DefineField(mappings.ServiceProvider, "_innerSp", false, false); } var so = typeSystem.GetType("System.Object"); var systemType = typeSystem.GetType("System.Type"); var getServiceInterfaceMethod = mappings.ServiceProvider.FindMethod("GetService", so, false, systemType); var ownServices = new List <IXamlIlType>(); var ctorCallbacks = new List <Action <IXamlIlEmitter> >(); if (mappings.RootObjectProvider != null) { builder.AddInterfaceImplementation(mappings.RootObjectProvider); var rootGen = ImplementInterfacePropertyGetter(builder, mappings.RootObjectProvider, "RootObject") .Generator; var tryParent = rootGen.DefineLabel(); var fail = rootGen.DefineLabel(); var parentRootProvider = rootGen.DefineLocal(mappings.RootObjectProvider); rootGen // if(RootObject!=null) return RootObject; .LdThisFld(RootObjectField) .Brfalse(tryParent) .LdThisFld(RootObjectField) .Ret() // if(_sp == null) goto fail; .MarkLabel(tryParent) .LdThisFld(_parentServiceProviderField) .Brfalse(fail) // parentProv = (IRootObjectProvider)_sp.GetService(typeof(IRootObjectProvider)); .LdThisFld(_parentServiceProviderField) .Ldtype(mappings.RootObjectProvider) .EmitCall(getServiceInterfaceMethod) .Castclass(mappings.RootObjectProvider) .Stloc(parentRootProvider) // if(parentProv == null) goto fail; .Ldloc(parentRootProvider) .Brfalse(fail) // return parentProv.Root; .Ldloc(parentRootProvider) .EmitCall(mappings.RootObjectProvider.FindMethod(m => m.Name == "get_RootObject")) .Ret() // fail: .MarkLabel(fail) .Ldnull() .Ret(); ownServices.Add(mappings.RootObjectProvider); } if (mappings.ParentStackProvider != null) { builder.AddInterfaceImplementation(mappings.ParentStackProvider); var objectListType = typeSystem.GetType("System.Collections.Generic.List`1") .MakeGenericType(new[] { typeSystem.GetType("System.Object") }); ParentListField = builder.DefineField(objectListType, "ParentsStack", true, false); var enumerator = EmitParentEnumerable(typeSystem, builder, mappings); CreateCallbacks.Add(enumerator.createCallback); _parentStackEnumerableField = builder.DefineField( typeSystem.GetType("System.Collections.Generic.IEnumerable`1").MakeGenericType(new[] { so }), "_parentStackEnumerable", false, false); ImplementInterfacePropertyGetter(builder, mappings.ParentStackProvider, "Parents") .Generator.LdThisFld(_parentStackEnumerableField).Ret(); ctorCallbacks.Add(g => g .Emit(OpCodes.Ldarg_0) .Emit(OpCodes.Newobj, objectListType.FindConstructor(new List <IXamlIlType>())) .Emit(OpCodes.Stfld, ParentListField) .Emit(OpCodes.Ldarg_0) .Emit(OpCodes.Ldarg_0) .Emit(OpCodes.Newobj, enumerator.ctor) .Emit(OpCodes.Stfld, _parentStackEnumerableField)); ownServices.Add(mappings.ParentStackProvider); } ownServices.Add(EmitTypeDescriptorContextStub(typeSystem, builder, mappings)); if (mappings.ProvideValueTarget != null) { builder.AddInterfaceImplementation(mappings.ProvideValueTarget); PropertyTargetObject = builder.DefineField(so, "ProvideTargetObject", true, false); PropertyTargetProperty = builder.DefineField(so, "ProvideTargetProperty", true, false); ImplementInterfacePropertyGetter(builder, mappings.ProvideValueTarget, "TargetObject") .Generator.LdThisFld(PropertyTargetObject).Ret(); ImplementInterfacePropertyGetter(builder, mappings.ProvideValueTarget, "TargetProperty") .Generator.LdThisFld(PropertyTargetProperty).Ret(); ownServices.Add(mappings.ProvideValueTarget); } if (mappings.UriContextProvider != null) { var systemUri = typeSystem.GetType("System.Uri"); var cached = builder.DefineField(systemUri, "_baseUri", false, false); builder.AddInterfaceImplementation(mappings.UriContextProvider); var getter = builder.DefineMethod(systemUri, new IXamlIlType[0], "get_BaseUri", true, false, true); var setter = builder.DefineMethod(typeSystem.GetType("System.Void"), new[] { systemUri }, "set_BaseUri", true, false, true); var noCache = getter.Generator.DefineLabel(); getter.Generator .LdThisFld(cached) .Brfalse(noCache) .LdThisFld(cached) .Ret() .MarkLabel(noCache) .Ldarg_0() .Ldstr(baseUri) .Newobj(systemUri.FindConstructor(new List <IXamlIlType> { typeSystem.GetType("System.String") })) .Stfld(cached) .LdThisFld(cached) .Ret(); setter.Generator .Ldarg_0() .Ldarg(1) .Stfld(cached) .Ret(); builder.DefineProperty(systemUri, "BaseUri", setter, getter); ownServices.Add(mappings.UriContextProvider); } builder.AddInterfaceImplementation(mappings.ServiceProvider); var getServiceMethod = builder.DefineMethod(so, new[] { systemType }, "GetService", true, false, true); ownServices = ownServices.Where(s => s != null).ToList(); if (_innerServiceProviderField != null) { var next = getServiceMethod.Generator.DefineLabel(); var innerResult = getServiceMethod.Generator.DefineLocal(so); getServiceMethod.Generator //if(_inner == null) goto next; .LdThisFld(_innerServiceProviderField) .Brfalse(next) // var innerRes = _inner.GetService(type); .LdThisFld(_innerServiceProviderField) .Ldarg(1) .EmitCall(getServiceInterfaceMethod) .Stloc(innerResult) // if(innerRes == null) goto next; .Ldloc(innerResult) .Brfalse(next) // return innerRes .Ldloc(innerResult) .Ret() .MarkLabel(next); } var compare = systemType.FindMethod("Equals", typeSystem.GetType("System.Boolean"), false, systemType); var fromHandle = systemType.Methods.First(m => m.Name == "GetTypeFromHandle"); if (ownServices.Count != 0) { for (var c = 0; c < ownServices.Count; c++) { var next = getServiceMethod.Generator.DefineLabel(); getServiceMethod.Generator .Emit(OpCodes.Ldtoken, ownServices[c]) .Emit(OpCodes.Call, fromHandle) .Emit(OpCodes.Ldarg_1) .Emit(OpCodes.Callvirt, compare) .Emit(OpCodes.Brfalse, next) .Emit(OpCodes.Ldarg_0) .Emit(OpCodes.Ret) .MarkLabel(next); } } if (staticProviders != null) { foreach (var sprov in staticProviders) { var next = getServiceMethod.Generator.DefineLabel(); getServiceMethod.Generator .Ldtoken(sprov.FieldType) .EmitCall(fromHandle) .Ldarg(1) .EmitCall(compare) .Brfalse(next) .Ldsfld(sprov) .Ret() .MarkLabel(next); } } var noParentProvider = getServiceMethod.Generator.DefineLabel(); getServiceMethod.Generator .LdThisFld(_parentServiceProviderField) .Brfalse(noParentProvider) .LdThisFld(_parentServiceProviderField) .Ldarg(1) .EmitCall(getServiceInterfaceMethod) .Emit(OpCodes.Ret) .MarkLabel(noParentProvider) .Ldnull() .Ret(); var ctor = builder.DefineConstructor(false, mappings.ServiceProvider); ctor.Generator .Emit(OpCodes.Ldarg_0) .Emit(OpCodes.Call, so.Constructors.First()) .Emit(OpCodes.Ldarg_0) .Emit(OpCodes.Ldarg_1) .Emit(OpCodes.Stfld, _parentServiceProviderField); foreach (var feature in ctorCallbacks) { feature(ctor.Generator); } // We are calling this last to ensure that our own services are ready if (_innerServiceProviderField != null) { ctor.Generator // _innerSp = InnerServiceProviderFactory(this) .Ldarg_0() .Ldarg_0() .EmitCall(mappings.InnerServiceProviderFactoryMethod) .Stfld(_innerServiceProviderField); } ctor.Generator.Emit(OpCodes.Ret); Constructor = ctor; CreateCallbacks.Add(() => { ContextType = builder.CreateType(); }); ContextType = builder; }
public static XamlIlContext GenerateContextClass(IXamlIlTypeBuilder builder, IXamlIlTypeSystem typeSystem, XamlIlLanguageTypeMappings mappings, IXamlIlType rootType, IEnumerable <IXamlIlField> staticProviders, string baseUri) => new XamlIlContext(builder, typeSystem, mappings, rootType, staticProviders, baseUri);