public ProxyXamlMember(IXamlType owner, MemberMeta meta)
{
_owner = owner;
_meta = meta;
}
public IXamlAstNode Transform(AstTransformationContext context, IXamlAstNode node)
{
if (node is XamlAstXamlPropertyValueNode valueNode)
{
var property = valueNode.Property.GetClrProperty();
var assignments = new List <XamlPropertyAssignmentNode>();
foreach (var v in valueNode.Values)
{
var keyNode = FindAndRemoveKey(v);
var arguments = new List <IXamlAstValueNode>();
if (keyNode != null)
{
arguments.Add(keyNode);
}
arguments.Add(v);
// Pre-filter setters by non-last argument
var filteredSetters = property.Setters.Where(s => s.Parameters.Count == arguments.Count)
.ToList();
if (arguments.Count > 1)
{
for (var c = 0; c < arguments.Count - 1; c++)
{
IXamlType convertedTo = null;
for (var s = 0; s < filteredSetters.Count;)
{
var setter = filteredSetters[s];
if (convertedTo == null)
{
if (!XamlTransformHelpers.TryGetCorrectlyTypedValue(context, arguments[c],
setter.Parameters[c], out var converted))
{
filteredSetters.RemoveAt(c);
continue;
}
else
{
convertedTo = converted.Type.GetClrType();
arguments[c] = converted;
}
}
else
{
if (!setter.Parameters[c].IsAssignableFrom(convertedTo))
{
throw new XamlLoadException(
$"Runtime setter selection is not supported for non-last setter arguments (e. g. x:Key) and can not downcast argument {c} of the setter from {convertedTo} to {setter.Parameters[c]}",
arguments[c]);
}
}
s++;
}
}
}
XamlPropertyAssignmentNode CreateAssignment()
{
var matchedSetters = new List <IXamlPropertySetter>();
foreach (var setter in filteredSetters)
{
bool CanAssign(IXamlAstValueNode value, IXamlType type)
{
// Don't allow x:Null
if (!setter.BinderParameters.AllowXNull &&
XamlPseudoType.Null.Equals(value.Type.GetClrType()))
{
return(false);
}
// Direct cast
if (type.IsAssignableFrom(value.Type.GetClrType()))
{
return(true);
}
// Upcast from System.Object
if (value.Type.GetClrType().Equals(context.Configuration.WellKnownTypes.Object))
{
return(true);
}
return(false);
}
var valueArgIndex = arguments.Count - 1;
var valueArg = arguments[valueArgIndex];
var setterType = setter.Parameters[valueArgIndex];
if (CanAssign(valueArg, setterType))
{
matchedSetters.Add(setter);
}
// Converted value have more priority than custom setters, so we just create a setter without an alternative
else if (XamlTransformHelpers.TryConvertValue(context, valueArg, setterType, property,
out var converted))
{
arguments[valueArgIndex] = converted;
return(new XamlPropertyAssignmentNode(valueNode,
property, new[] { setter }, arguments));
}
}
if (matchedSetters.Count > 0)
{
return(new XamlPropertyAssignmentNode(v, property, matchedSetters, arguments));
}
throw new XamlLoadException(
$"Unable to find suitable setter or adder for property {property.Name} of type {property.DeclaringType.GetFqn()} for argument {v.Type.GetClrType().GetFqn()}"
+ (keyNode != null ? $" and x:Key of type {keyNode.Type.GetClrType()}" : null)
+ ", available setter parameter lists are:\n" + string.Join("\n",
filteredSetters.Select(setter =>
string.Join(", ", setter.Parameters.Select(p => p.FullName))))
, v);
}
assignments.Add(CreateAssignment());
}
if (assignments.Count == 1)
{
return(assignments[0]);
}
if (assignments.Count > 1)
{
// Skip the first one, since we only care about further setters, e. g. the following is perfectly valid:
// <Foo.Bar>
// <SomeList/>
// <ListItem/>
// <ListItem/>
// </Foo.Bar>
// <SomeList/> would be foo.Bar = new SomeList() and <ListItem/> would be foo.Bar.Add(new ListItem());
foreach (var ass in assignments.Skip(1))
{
ass.PossibleSetters = ass.PossibleSetters.Where(s => s.BinderParameters.AllowMultiple).ToList();
if (ass.PossibleSetters.Count == 0)
{
throw new XamlLoadException(
$"Unable to find a setter that allows multiple assignments to the property {ass.Property.Name} of type {ass.Property.DeclaringType.GetFqn()}",
node);
}
}
}
return(new XamlManipulationGroupNode(valueNode, assignments));
}
return(node);
}
protected abstract void EmitConvert(IXamlAstNode value, TBackendEmitter codeGen, IXamlType expectedType, IXamlType returnedType);
public bool Equals(IXamlType other) => other is RoslynType roslynType &&
public XamlIlTypeSelector(XamlIlSelectorNode previous, IXamlType type, bool concrete) : base(previous)
{
TargetType = type;
Concrete = concrete;
}
private bool IsControl(IXamlType type) => type.FullName != "System.Object" && (type.FullName == "Robust.Client.UserInterface.Control" || IsControl(type.BaseType));
protected override void EmitConvert(IXamlAstNode value, IXamlILEmitter codeGen, IXamlType expectedType, IXamlType returnedType)
{
XamlLocalsPool.PooledLocal local = null;
// ReSharper disable once ExpressionIsAlwaysNull
// Value is assigned inside the closure in certain conditions
ILEmitHelpers.EmitConvert(this, value, returnedType, expectedType, ldaddr =>
{
if (ldaddr && returnedType.IsValueType)
{
// We need to store the value to a temporary variable, since *address*
// is required (probably for method call on the value type)
local = GetLocalOfType(returnedType);
codeGen
.Stloc(local.Local)
.Ldloca(local.Local);
}
// Otherwise do nothing, value is already at the top of the stack
return(codeGen);
});
local?.Dispose();
}
public ViewModelXamlMember(string propertyName, ViewModelXamlType <T> targetType, IXamlType propertyType)
{
_propertyName = propertyName;
_targetType = targetType;
_propertyType = propertyType;
}
public bool Equals(IXamlType other) => other == this;
public XamlIlNestingSelector(XamlIlSelectorNode previous, IXamlType targetType)
: base(previous)
{
TargetType = targetType;
}
public void ChangeEmitSetterType(IXamlType setterType)
{
Parameters = new [] { setterType };
}
public AvaloniaXamlIlWellKnownTypes(TransformerConfiguration cfg)
{
XamlIlTypes = cfg.WellKnownTypes;
AvaloniaObject = cfg.TypeSystem.GetType("Avalonia.AvaloniaObject");
IAvaloniaObject = cfg.TypeSystem.GetType("Avalonia.IAvaloniaObject");
AvaloniaObjectExtensions = cfg.TypeSystem.GetType("Avalonia.AvaloniaObjectExtensions");
AvaloniaProperty = cfg.TypeSystem.GetType("Avalonia.AvaloniaProperty");
AvaloniaPropertyT = cfg.TypeSystem.GetType("Avalonia.AvaloniaProperty`1");
BindingPriority = cfg.TypeSystem.GetType("Avalonia.Data.BindingPriority");
IBinding = cfg.TypeSystem.GetType("Avalonia.Data.IBinding");
IDisposable = cfg.TypeSystem.GetType("System.IDisposable");
Transitions = cfg.TypeSystem.GetType("Avalonia.Animation.Transitions");
AssignBindingAttribute = cfg.TypeSystem.GetType("Avalonia.Data.AssignBindingAttribute");
AvaloniaObjectBindMethod = AvaloniaObjectExtensions.FindMethod("Bind", IDisposable, false, IAvaloniaObject,
AvaloniaProperty,
IBinding, cfg.WellKnownTypes.Object);
UnsetValueType = cfg.TypeSystem.GetType("Avalonia.UnsetValueType");
StyledElement = cfg.TypeSystem.GetType("Avalonia.StyledElement");
INameScope = cfg.TypeSystem.GetType("Avalonia.Controls.INameScope");
INameScopeRegister = INameScope.GetMethod(
new FindMethodMethodSignature("Register", XamlIlTypes.Void,
XamlIlTypes.String, XamlIlTypes.Object)
{
IsStatic = false,
DeclaringOnly = true,
IsExactMatch = true
});
INameScopeComplete = INameScope.GetMethod(
new FindMethodMethodSignature("Complete", XamlIlTypes.Void)
{
IsStatic = false,
DeclaringOnly = true,
IsExactMatch = true
});
NameScope = cfg.TypeSystem.GetType("Avalonia.Controls.NameScope");
NameScopeSetNameScope = NameScope.GetMethod(new FindMethodMethodSignature("SetNameScope",
XamlIlTypes.Void, StyledElement, INameScope)
{
IsStatic = true
});
AvaloniaObjectSetValueMethod = AvaloniaObject.FindMethod("SetValue", XamlIlTypes.Void,
false, AvaloniaProperty, XamlIlTypes.Object, BindingPriority);
IPropertyInfo = cfg.TypeSystem.GetType("Avalonia.Data.Core.IPropertyInfo");
ClrPropertyInfo = cfg.TypeSystem.GetType("Avalonia.Data.Core.ClrPropertyInfo");
PropertyPath = cfg.TypeSystem.GetType("Avalonia.Data.Core.PropertyPath");
PropertyPathBuilder = cfg.TypeSystem.GetType("Avalonia.Data.Core.PropertyPathBuilder");
IPropertyAccessor = cfg.TypeSystem.GetType("Avalonia.Data.Core.Plugins.IPropertyAccessor");
PropertyInfoAccessorFactory = cfg.TypeSystem.GetType("Avalonia.Markup.Xaml.MarkupExtensions.CompiledBindings.PropertyInfoAccessorFactory");
CompiledBindingPathBuilder = cfg.TypeSystem.GetType("Avalonia.Markup.Xaml.MarkupExtensions.CompiledBindings.CompiledBindingPathBuilder");
CompiledBindingPath = cfg.TypeSystem.GetType("Avalonia.Markup.Xaml.MarkupExtensions.CompiledBindings.CompiledBindingPath");
CompiledBindingExtension = cfg.TypeSystem.GetType("Avalonia.Markup.Xaml.MarkupExtensions.CompiledBindingExtension");
ResolveByNameExtension = cfg.TypeSystem.GetType("Avalonia.Markup.Xaml.MarkupExtensions.ResolveByNameExtension");
DataTemplate = cfg.TypeSystem.GetType("Avalonia.Markup.Xaml.Templates.DataTemplate");
IDataTemplate = cfg.TypeSystem.GetType("Avalonia.Controls.Templates.IDataTemplate");
IItemsPresenterHost = cfg.TypeSystem.GetType("Avalonia.Controls.Presenters.IItemsPresenterHost");
ItemsRepeater = cfg.TypeSystem.GetType("Avalonia.Controls.ItemsRepeater");
ReflectionBindingExtension = cfg.TypeSystem.GetType("Avalonia.Markup.Xaml.MarkupExtensions.ReflectionBindingExtension");
RelativeSource = cfg.TypeSystem.GetType("Avalonia.Data.RelativeSource");
UInt = cfg.TypeSystem.GetType("System.UInt32");
Int = cfg.TypeSystem.GetType("System.Int32");
Long = cfg.TypeSystem.GetType("System.Int64");
Uri = cfg.TypeSystem.GetType("System.Uri");
FontFamily = cfg.TypeSystem.GetType("Avalonia.Media.FontFamily");
FontFamilyConstructorUriName = FontFamily.GetConstructor(new List <IXamlType> {
Uri, XamlIlTypes.String
});
(IXamlType, IXamlConstructor) GetNumericTypeInfo(string name, IXamlType componentType, int componentCount)
{
var type = cfg.TypeSystem.GetType(name);
var ctor = type.GetConstructor(Enumerable.Range(0, componentCount).Select(_ => componentType).ToList());
return(type, ctor);
}
(Thickness, ThicknessFullConstructor) = GetNumericTypeInfo("Avalonia.Thickness", XamlIlTypes.Double, 4);
(Point, PointFullConstructor) = GetNumericTypeInfo("Avalonia.Point", XamlIlTypes.Double, 2);
(Vector, VectorFullConstructor) = GetNumericTypeInfo("Avalonia.Vector", XamlIlTypes.Double, 2);
(Size, SizeFullConstructor) = GetNumericTypeInfo("Avalonia.Size", XamlIlTypes.Double, 2);
(Matrix, MatrixFullConstructor) = GetNumericTypeInfo("Avalonia.Matrix", XamlIlTypes.Double, 6);
(CornerRadius, CornerRadiusFullConstructor) = GetNumericTypeInfo("Avalonia.CornerRadius", XamlIlTypes.Double, 4);
GridLength = cfg.TypeSystem.GetType("Avalonia.Controls.GridLength");
GridLengthConstructorValueType = GridLength.GetConstructor(new List <IXamlType> {
XamlIlTypes.Double, cfg.TypeSystem.GetType("Avalonia.Controls.GridUnitType")
});
Color = cfg.TypeSystem.GetType("Avalonia.Media.Color");
StandardCursorType = cfg.TypeSystem.GetType("Avalonia.Input.StandardCursorType");
Cursor = cfg.TypeSystem.GetType("Avalonia.Input.Cursor");
CursorTypeConstructor = Cursor.GetConstructor(new List <IXamlType> {
StandardCursorType
});
ColumnDefinition = cfg.TypeSystem.GetType("Avalonia.Controls.ColumnDefinition");
ColumnDefinitions = cfg.TypeSystem.GetType("Avalonia.Controls.ColumnDefinitions");
RowDefinition = cfg.TypeSystem.GetType("Avalonia.Controls.RowDefinition");
RowDefinitions = cfg.TypeSystem.GetType("Avalonia.Controls.RowDefinitions");
}
public ProxyXamlMember(IXamlType owner, MemberMeta meta)
{
_owner = owner;
_meta = meta;
}
public AvaloniaXamlIlDataContextTypeMetadataNode(IXamlAstValueNode value, IXamlType targetType)
: base(value, value)
{
DataContextType = targetType;
}
public static bool TryConvert(AstTransformationContext context, IXamlAstValueNode node, string text, IXamlType type, AvaloniaXamlIlWellKnownTypes types, out IXamlAstValueNode result)
{
if (type.FullName == "System.TimeSpan")
{
var tsText = text.Trim();
if (!TimeSpan.TryParse(tsText, CultureInfo.InvariantCulture, out var timeSpan))
{
// // shorthand seconds format (ie. "0.25")
if (!tsText.Contains(":") && double.TryParse(tsText,
NumberStyles.Float | NumberStyles.AllowThousands,
CultureInfo.InvariantCulture, out var seconds))
{
timeSpan = TimeSpan.FromSeconds(seconds);
}
else
{
throw new XamlX.XamlLoadException($"Unable to parse {text} as a time span", node);
}
}
result = new XamlStaticOrTargetedReturnMethodCallNode(node,
type.FindMethod("FromTicks", type, false, types.Long),
new[] { new XamlConstantNode(node, types.Long, timeSpan.Ticks) });
return(true);
}
if (type.Equals(types.FontFamily))
{
result = new AvaloniaXamlIlFontFamilyAstNode(types, text, node);
return(true);
}
if (type.Equals(types.Thickness))
{
try
{
var thickness = Thickness.Parse(text);
result = new AvaloniaXamlIlVectorLikeConstantAstNode(node, types, types.Thickness, types.ThicknessFullConstructor,
new[] { thickness.Left, thickness.Top, thickness.Right, thickness.Bottom });
return(true);
}
catch
{
throw new XamlX.XamlLoadException($"Unable to parse \"{text}\" as a thickness", node);
}
}
if (type.Equals(types.Point))
{
try
{
var point = Point.Parse(text);
result = new AvaloniaXamlIlVectorLikeConstantAstNode(node, types, types.Point, types.PointFullConstructor,
new[] { point.X, point.Y });
return(true);
}
catch
{
throw new XamlX.XamlLoadException($"Unable to parse \"{text}\" as a point", node);
}
}
if (type.Equals(types.Vector))
{
try
{
var vector = Vector.Parse(text);
result = new AvaloniaXamlIlVectorLikeConstantAstNode(node, types, types.Vector, types.VectorFullConstructor,
new[] { vector.X, vector.Y });
return(true);
}
catch
{
throw new XamlX.XamlLoadException($"Unable to parse \"{text}\" as a vector", node);
}
}
if (type.Equals(types.Size))
{
try
{
var size = Size.Parse(text);
result = new AvaloniaXamlIlVectorLikeConstantAstNode(node, types, types.Size, types.SizeFullConstructor,
new[] { size.Width, size.Height });
return(true);
}
catch
{
throw new XamlX.XamlLoadException($"Unable to parse \"{text}\" as a size", node);
}
}
if (type.Equals(types.Matrix))
{
try
{
var matrix = Matrix.Parse(text);
result = new AvaloniaXamlIlVectorLikeConstantAstNode(node, types, types.Matrix, types.MatrixFullConstructor,
new[] { matrix.M11, matrix.M12, matrix.M21, matrix.M22, matrix.M31, matrix.M32 });
return(true);
}
catch
{
throw new XamlX.XamlLoadException($"Unable to parse \"{text}\" as a matrix", node);
}
}
if (type.Equals(types.CornerRadius))
{
try
{
var cornerRadius = CornerRadius.Parse(text);
result = new AvaloniaXamlIlVectorLikeConstantAstNode(node, types, types.CornerRadius, types.CornerRadiusFullConstructor,
new[] { cornerRadius.TopLeft, cornerRadius.TopRight, cornerRadius.BottomRight, cornerRadius.BottomLeft });
return(true);
}
catch
{
throw new XamlX.XamlLoadException($"Unable to parse \"{text}\" as a corner radius", node);
}
}
if (type.Equals(types.Color))
{
if (!Color.TryParse(text, out Color color))
{
throw new XamlX.XamlLoadException($"Unable to parse \"{text}\" as a color", node);
}
result = new XamlStaticOrTargetedReturnMethodCallNode(node,
type.GetMethod(
new FindMethodMethodSignature("FromUInt32", type, types.UInt)
{
IsStatic = true
}),
new[] { new XamlConstantNode(node, types.UInt, color.ToUint32()) });
return(true);
}
if (type.Equals(types.GridLength))
{
try
{
var gridLength = GridLength.Parse(text);
result = new AvaloniaXamlIlGridLengthAstNode(node, types, gridLength);
return(true);
}
catch
{
throw new XamlX.XamlLoadException($"Unable to parse \"{text}\" as a grid length", node);
}
}
if (type.Equals(types.Cursor))
{
if (TypeSystemHelpers.TryGetEnumValueNode(types.StandardCursorType, text, node, out var enumConstantNode))
{
var cursorTypeRef = new XamlAstClrTypeReference(node, types.Cursor, false);
result = new XamlAstNewClrObjectNode(node, cursorTypeRef, types.CursorTypeConstructor, new List <IXamlAstValueNode> {
enumConstantNode
});
return(true);
}
}
if (type.Equals(types.ColumnDefinitions))
{
return(ConvertDefinitionList(node, text, types, types.ColumnDefinitions, types.ColumnDefinition, "column definitions", out result));
}
if (type.Equals(types.RowDefinitions))
{
return(ConvertDefinitionList(node, text, types, types.RowDefinitions, types.RowDefinition, "row definitions", out result));
}
if (type.Equals(types.Classes))
{
var classes = text.Split(' ');
var classNodes = classes.Select(c => new XamlAstTextNode(node, c, type: types.XamlIlTypes.String)).ToArray();
result = new AvaloniaXamlIlAvaloniaListConstantAstNode(node, types, types.Classes, types.XamlIlTypes.String, classNodes);
return(true);
}
if (types.IBrush.IsAssignableFrom(type))
{
if (Color.TryParse(text, out Color color))
{
var brushTypeRef = new XamlAstClrTypeReference(node, types.ImmutableSolidColorBrush, false);
result = new XamlAstNewClrObjectNode(node, brushTypeRef,
types.ImmutableSolidColorBrushConstructorColor,
new List <IXamlAstValueNode> {
new XamlConstantNode(node, types.UInt, color.ToUint32())
});
return(true);
}
}
result = null;
return(false);
}
public bool IsAssignableFrom(IXamlType type) => type == this;
public AvaloniaXamlIlCompiler(TransformerConfiguration configuration,
XamlLanguageEmitMappings <IXamlILEmitter, XamlILNodeEmitResult> emitMappings,
IXamlType contextType) : this(configuration, emitMappings)
{
_contextType = contextType;
}
public FindMethodMethodSignature(string name, IXamlType returnType, params IXamlType[] parameters)
{
Name = name;
ReturnType = returnType;
Parameters = parameters;
}
static bool?CompileCore(IBuildEngine engine, CecilTypeSystem typeSystem,
string projectDirectory, bool verifyIl,
MessageImportance logImportance
, bool debuggerLaunch = false)
{
if (debuggerLaunch)
{
// According this https://docs.microsoft.com/en-us/dotnet/api/system.diagnostics.debugger.launch?view=net-6.0#remarks
// documentation, on not windows platform Debugger.Launch() always return true without running a debugger.
if (System.Diagnostics.Debugger.Launch())
{
// Set timeout at 1 minut.
var time = new System.Diagnostics.Stopwatch();
var timeout = TimeSpan.FromMinutes(1);
time.Start();
// wait for the debugger to be attacked or timeout.
while (!System.Diagnostics.Debugger.IsAttached && time.Elapsed < timeout)
{
engine.LogMessage($"[PID:{System.Diagnostics.Process.GetCurrentProcess().Id}] Wating attach debugger. Elapsed {time.Elapsed}...", MessageImportance.High);
System.Threading.Thread.Sleep(100);
}
time.Stop();
if (time.Elapsed >= timeout)
{
engine.LogMessage("Wating attach debugger timeout.", MessageImportance.Normal);
}
}
else
{
engine.LogMessage("Debugging cancelled.", MessageImportance.Normal);
}
}
var asm = typeSystem.TargetAssemblyDefinition;
var emres = new EmbeddedResources(asm);
var avares = new AvaloniaResources(asm, projectDirectory);
if (avares.Resources.Count(CheckXamlName) == 0 && emres.Resources.Count(CheckXamlName) == 0)
{
// Nothing to do
return(null);
}
var clrPropertiesDef = new TypeDefinition("CompiledAvaloniaXaml", "XamlIlHelpers",
TypeAttributes.Class, asm.MainModule.TypeSystem.Object);
asm.MainModule.Types.Add(clrPropertiesDef);
var indexerAccessorClosure = new TypeDefinition("CompiledAvaloniaXaml", "!IndexerAccessorFactoryClosure",
TypeAttributes.Class, asm.MainModule.TypeSystem.Object);
asm.MainModule.Types.Add(indexerAccessorClosure);
var trampolineBuilder = new TypeDefinition("CompiledAvaloniaXaml", "XamlIlTrampolines",
TypeAttributes.Class, asm.MainModule.TypeSystem.Object);
asm.MainModule.Types.Add(trampolineBuilder);
var(xamlLanguage, emitConfig) = AvaloniaXamlIlLanguage.Configure(typeSystem);
var compilerConfig = new AvaloniaXamlIlCompilerConfiguration(typeSystem,
typeSystem.TargetAssembly,
xamlLanguage,
XamlXmlnsMappings.Resolve(typeSystem, xamlLanguage),
AvaloniaXamlIlLanguage.CustomValueConverter,
new XamlIlClrPropertyInfoEmitter(typeSystem.CreateTypeBuilder(clrPropertiesDef)),
new XamlIlPropertyInfoAccessorFactoryEmitter(typeSystem.CreateTypeBuilder(indexerAccessorClosure)),
new XamlIlTrampolineBuilder(typeSystem.CreateTypeBuilder(trampolineBuilder)),
new DeterministicIdGenerator());
var contextDef = new TypeDefinition("CompiledAvaloniaXaml", "XamlIlContext",
TypeAttributes.Class, asm.MainModule.TypeSystem.Object);
asm.MainModule.Types.Add(contextDef);
var contextClass = XamlILContextDefinition.GenerateContextClass(typeSystem.CreateTypeBuilder(contextDef), typeSystem,
xamlLanguage, emitConfig);
var compiler = new AvaloniaXamlIlCompiler(compilerConfig, emitConfig, contextClass)
{
EnableIlVerification = verifyIl
};
var editorBrowsableAttribute = typeSystem
.GetTypeReference(typeSystem.FindType("System.ComponentModel.EditorBrowsableAttribute"))
.Resolve();
var editorBrowsableCtor =
asm.MainModule.ImportReference(editorBrowsableAttribute.GetConstructors()
.First(c => c.Parameters.Count == 1));
var runtimeHelpers = typeSystem.GetType("Avalonia.Markup.Xaml.XamlIl.Runtime.XamlIlRuntimeHelpers");
var createRootServiceProviderMethod = asm.MainModule.ImportReference(
typeSystem.GetTypeReference(runtimeHelpers).Resolve().Methods
.First(x => x.Name == "CreateRootServiceProviderV2"));
var loaderDispatcherDef = new TypeDefinition("CompiledAvaloniaXaml", "!XamlLoader",
TypeAttributes.Class, asm.MainModule.TypeSystem.Object);
loaderDispatcherDef.CustomAttributes.Add(new CustomAttribute(editorBrowsableCtor)
{
ConstructorArguments = { new CustomAttributeArgument(editorBrowsableCtor.Parameters[0].ParameterType, 1) }
});
var loaderDispatcherMethod = new MethodDefinition("TryLoad",
MethodAttributes.Static | MethodAttributes.Public,
asm.MainModule.TypeSystem.Object)
{
Parameters = { new ParameterDefinition(asm.MainModule.TypeSystem.String) }
};
loaderDispatcherDef.Methods.Add(loaderDispatcherMethod);
asm.MainModule.Types.Add(loaderDispatcherDef);
var stringEquals = asm.MainModule.ImportReference(asm.MainModule.TypeSystem.String.Resolve().Methods.First(
m =>
m.IsStatic && m.Name == "Equals" && m.Parameters.Count == 2 &&
m.ReturnType.FullName == "System.Boolean" &&
m.Parameters[0].ParameterType.FullName == "System.String" &&
m.Parameters[1].ParameterType.FullName == "System.String"));
bool CompileGroup(IResourceGroup group)
{
var typeDef = new TypeDefinition("CompiledAvaloniaXaml", "!" + group.Name,
TypeAttributes.Class, asm.MainModule.TypeSystem.Object);
typeDef.CustomAttributes.Add(new CustomAttribute(editorBrowsableCtor)
{
ConstructorArguments = { new CustomAttributeArgument(editorBrowsableCtor.Parameters[0].ParameterType, 1) }
});
asm.MainModule.Types.Add(typeDef);
var builder = typeSystem.CreateTypeBuilder(typeDef);
foreach (var res in group.Resources.Where(CheckXamlName).OrderBy(x => x.FilePath.ToLowerInvariant()))
{
try
{
engine.LogMessage($"XAMLIL: {res.Name} -> {res.Uri}", logImportance);
// StreamReader is needed here to handle BOM
var xaml = new StreamReader(new MemoryStream(res.FileContents)).ReadToEnd();
var parsed = XDocumentXamlParser.Parse(xaml);
var initialRoot = (XamlAstObjectNode)parsed.Root;
var precompileDirective = initialRoot.Children.OfType <XamlAstXmlDirective>()
.FirstOrDefault(d => d.Namespace == XamlNamespaces.Xaml2006 && d.Name == "Precompile");
if (precompileDirective != null)
{
var precompileText = (precompileDirective.Values[0] as XamlAstTextNode)?.Text.Trim()
.ToLowerInvariant();
if (precompileText == "false")
{
continue;
}
if (precompileText != "true")
{
throw new XamlParseException("Invalid value for x:Precompile", precompileDirective);
}
}
var classDirective = initialRoot.Children.OfType <XamlAstXmlDirective>()
.FirstOrDefault(d => d.Namespace == XamlNamespaces.Xaml2006 && d.Name == "Class");
IXamlType classType = null;
if (classDirective != null)
{
if (classDirective.Values.Count != 1 || !(classDirective.Values[0] is XamlAstTextNode tn))
{
throw new XamlParseException("x:Class should have a string value", classDirective);
}
classType = typeSystem.TargetAssembly.FindType(tn.Text);
if (classType == null)
{
throw new XamlParseException($"Unable to find type `{tn.Text}`", classDirective);
}
compiler.OverrideRootType(parsed,
new XamlAstClrTypeReference(classDirective, classType, false));
initialRoot.Children.Remove(classDirective);
}
compiler.Transform(parsed);
var populateName = classType == null ? "Populate:" + res.Name : "!XamlIlPopulate";
var buildName = classType == null ? "Build:" + res.Name : null;
var classTypeDefinition =
classType == null ? null : typeSystem.GetTypeReference(classType).Resolve();
var populateBuilder = classTypeDefinition == null ?
builder :
typeSystem.CreateTypeBuilder(classTypeDefinition);
compiler.Compile(parsed,
contextClass,
compiler.DefinePopulateMethod(populateBuilder, parsed, populateName,
classTypeDefinition == null),
buildName == null ? null : compiler.DefineBuildMethod(builder, parsed, buildName, true),
builder.DefineSubType(compilerConfig.WellKnownTypes.Object, "NamespaceInfo:" + res.Name,
true),
(closureName, closureBaseType) =>
populateBuilder.DefineSubType(closureBaseType, closureName, false),
(closureName, returnType, parameterTypes) =>
populateBuilder.DefineDelegateSubType(closureName, false, returnType, parameterTypes),
res.Uri, res
);
if (classTypeDefinition != null)
{
var compiledPopulateMethod = typeSystem.GetTypeReference(populateBuilder).Resolve()
.Methods.First(m => m.Name == populateName);
var designLoaderFieldType = typeSystem
.GetType("System.Action`1")
.MakeGenericType(typeSystem.GetType("System.Object"));
var designLoaderFieldTypeReference = (GenericInstanceType)typeSystem.GetTypeReference(designLoaderFieldType);
designLoaderFieldTypeReference.GenericArguments[0] =
asm.MainModule.ImportReference(designLoaderFieldTypeReference.GenericArguments[0]);
designLoaderFieldTypeReference = (GenericInstanceType)
asm.MainModule.ImportReference(designLoaderFieldTypeReference);
var designLoaderLoad =
typeSystem.GetMethodReference(
designLoaderFieldType.Methods.First(m => m.Name == "Invoke"));
designLoaderLoad =
asm.MainModule.ImportReference(designLoaderLoad);
designLoaderLoad.DeclaringType = designLoaderFieldTypeReference;
var designLoaderField = new FieldDefinition("!XamlIlPopulateOverride",
FieldAttributes.Static | FieldAttributes.Private, designLoaderFieldTypeReference);
classTypeDefinition.Fields.Add(designLoaderField);
const string TrampolineName = "!XamlIlPopulateTrampoline";
var trampoline = new MethodDefinition(TrampolineName,
MethodAttributes.Static | MethodAttributes.Private, asm.MainModule.TypeSystem.Void);
trampoline.Parameters.Add(new ParameterDefinition(classTypeDefinition));
classTypeDefinition.Methods.Add(trampoline);
var regularStart = Instruction.Create(OpCodes.Call, createRootServiceProviderMethod);
trampoline.Body.Instructions.Add(Instruction.Create(OpCodes.Ldsfld, designLoaderField));
trampoline.Body.Instructions.Add(Instruction.Create(OpCodes.Brfalse, regularStart));
trampoline.Body.Instructions.Add(Instruction.Create(OpCodes.Ldsfld, designLoaderField));
trampoline.Body.Instructions.Add(Instruction.Create(OpCodes.Ldarg_0));
trampoline.Body.Instructions.Add(Instruction.Create(OpCodes.Call, designLoaderLoad));
trampoline.Body.Instructions.Add(Instruction.Create(OpCodes.Ret));
trampoline.Body.Instructions.Add(regularStart);
trampoline.Body.Instructions.Add(Instruction.Create(OpCodes.Ldarg_0));
trampoline.Body.Instructions.Add(Instruction.Create(OpCodes.Call, compiledPopulateMethod));
trampoline.Body.Instructions.Add(Instruction.Create(OpCodes.Ret));
CopyDebugDocument(trampoline, compiledPopulateMethod);
var foundXamlLoader = false;
// Find AvaloniaXamlLoader.Load(this) and replace it with !XamlIlPopulateTrampoline(this)
foreach (var method in classTypeDefinition.Methods
.Where(m => !m.Attributes.HasFlag(MethodAttributes.Static)))
{
var i = method.Body.Instructions;
for (var c = 1; c < i.Count; c++)
{
if (i[c].OpCode == OpCodes.Call)
{
var op = i[c].Operand as MethodReference;
// TODO: Throw an error
// This usually happens when the same XAML resource was added twice for some weird reason
// We currently support it for dual-named default theme resources
if (op != null &&
op.Name == TrampolineName)
{
foundXamlLoader = true;
break;
}
if (op != null &&
op.Name == "Load" &&
op.Parameters.Count == 1 &&
op.Parameters[0].ParameterType.FullName == "System.Object" &&
op.DeclaringType.FullName == "Avalonia.Markup.Xaml.AvaloniaXamlLoader")
{
if (MatchThisCall(i, c - 1))
{
i[c].Operand = trampoline;
foundXamlLoader = true;
}
}
}
}
}
if (!foundXamlLoader)
{
var ctors = classTypeDefinition.GetConstructors()
.Where(c => !c.IsStatic).ToList();
// We can inject xaml loader into default constructor
if (ctors.Count == 1 && ctors[0].Body.Instructions.Count(o => o.OpCode != OpCodes.Nop) == 3)
{
var i = ctors[0].Body.Instructions;
var retIdx = i.IndexOf(i.Last(x => x.OpCode == OpCodes.Ret));
i.Insert(retIdx, Instruction.Create(OpCodes.Call, trampoline));
i.Insert(retIdx, Instruction.Create(OpCodes.Ldarg_0));
}
else
{
throw new InvalidProgramException(
$"No call to AvaloniaXamlLoader.Load(this) call found anywhere in the type {classType.FullName} and type seems to have custom constructors.");
}
}
}
if (buildName != null || classTypeDefinition != null)
{
var compiledBuildMethod = buildName == null ?
null :
typeSystem.GetTypeReference(builder).Resolve()
.Methods.First(m => m.Name == buildName);
var parameterlessConstructor = compiledBuildMethod != null ?
null :
classTypeDefinition.GetConstructors().FirstOrDefault(c =>
c.IsPublic && !c.IsStatic && !c.HasParameters);
if (compiledBuildMethod != null || parameterlessConstructor != null)
{
var i = loaderDispatcherMethod.Body.Instructions;
var nop = Instruction.Create(OpCodes.Nop);
i.Add(Instruction.Create(OpCodes.Ldarg_0));
i.Add(Instruction.Create(OpCodes.Ldstr, res.Uri));
i.Add(Instruction.Create(OpCodes.Call, stringEquals));
i.Add(Instruction.Create(OpCodes.Brfalse, nop));
if (parameterlessConstructor != null)
{
i.Add(Instruction.Create(OpCodes.Newobj, parameterlessConstructor));
}
else
{
i.Add(Instruction.Create(OpCodes.Call, createRootServiceProviderMethod));
i.Add(Instruction.Create(OpCodes.Call, compiledBuildMethod));
}
i.Add(Instruction.Create(OpCodes.Ret));
i.Add(nop);
}
}
}
catch (Exception e)
{
int lineNumber = 0, linePosition = 0;
if (e is XamlParseException xe)
{
lineNumber = xe.LineNumber;
linePosition = xe.LinePosition;
}
engine.LogErrorEvent(new BuildErrorEventArgs("Avalonia", "XAMLIL", res.FilePath,
lineNumber, linePosition, lineNumber, linePosition,
e.Message, "", "Avalonia"));
return(false);
}
res.Remove();
}
// Technically that's a hack, but it fixes corert incompatibility caused by deterministic builds
int dupeCounter = 1;
foreach (var grp in typeDef.NestedTypes.GroupBy(x => x.Name))
{
if (grp.Count() > 1)
{
foreach (var dupe in grp)
{
dupe.Name += "_dup" + dupeCounter++;
}
}
}
return(true);
}
if (emres.Resources.Count(CheckXamlName) != 0)
{
if (!CompileGroup(emres))
{
return(false);
}
}
if (avares.Resources.Count(CheckXamlName) != 0)
{
if (!CompileGroup(avares))
{
return(false);
}
avares.Save();
}
loaderDispatcherMethod.Body.Instructions.Add(Instruction.Create(OpCodes.Ldnull));
loaderDispatcherMethod.Body.Instructions.Add(Instruction.Create(OpCodes.Ret));
return(true);
}
public static string GetFqn(this IXamlType type) => $"{type.Assembly?.Name}:{type.Namespace}.{type.Name}";
public TypeReference GetTypeReference(IXamlType t) => ((ITypeReference)t).Reference;
public static bool IsNullableOf(this IXamlType type, IXamlType vtype)
{
return(type.IsNullable() && type.GenericArguments[0].Equals(vtype));
}
public XamlIlSelectorInitialNode(IXamlLineInfo info,
IXamlType selectorType) : base(null, info, selectorType)
{
}
public static IXamlType MakeGenericType(this IXamlType type, params IXamlType[] typeArguments) => type.MakeGenericType(typeArguments);
public XamlIlOrSelectorNode(IXamlLineInfo info, IXamlType selectorType) : base(null, info, selectorType)
{
}
private XamlILContextDefinition(IXamlTypeBuilder <IXamlILEmitter> parentBuilder,
IXamlTypeSystem typeSystem, XamlLanguageTypeMappings mappings,
XamlLanguageEmitMappings <IXamlILEmitter, XamlILNodeEmitResult> emitMappings)
{
var so = typeSystem.GetType("System.Object");
var builder = parentBuilder.DefineSubType(so, "Context", true);
builder.DefineGenericParameters(new[]
{
new KeyValuePair <string, XamlGenericParameterConstraint>("TTarget",
new XamlGenericParameterConstraint
{
IsClass = true
})
});
var rootObjectField = builder.DefineField(builder.GenericParameters[0], "RootObject", true, false);
var intermediateRootObjectField = builder.DefineField(so, XamlRuntimeContextDefintion.IntermediateRootObjectFieldName, 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 <IXamlType>();
var ctorCallbacks = new List <Action <IXamlILEmitter> >();
if (mappings.RootObjectProvider != null)
{
builder.AddInterfaceImplementation(mappings.RootObjectProvider);
var rootGen = ImplementInterfacePropertyGetter(builder, mappings.RootObjectProvider, XamlRuntimeContextDefintion.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();
if (mappings.RootObjectProviderIntermediateRootPropertyName != null)
{
ImplementInterfacePropertyGetter(builder, mappings.RootObjectProvider, mappings.RootObjectProviderIntermediateRootPropertyName)
.Generator
.LdThisFld(intermediateRootObjectField)
.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, XamlRuntimeContextDefintion.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 <IXamlType>()))
.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, XamlRuntimeContextDefintion.ProvideTargetObjectName, true, false);
PropertyTargetProperty = builder.DefineField(so, XamlRuntimeContextDefintion.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);
}
IXamlField baseUriField = null;
if (mappings.UriContextProvider != null)
{
baseUriField = builder.DefineField(systemUri, "_baseUri", false, false);
builder.AddInterfaceImplementation(mappings.UriContextProvider);
var getter = builder.DefineMethod(systemUri, new IXamlType[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 <IXamlType>
{
typeSystem.GetType("System.String")
}))
.Emit(OpCodes.Stfld, baseUriField)
.MarkLabel(noUri);
}
foreach (var feature in ctorCallbacks)
{
feature(ctor.Generator);
}
emitMappings.ContextTypeBuilderCallback?.Invoke(builder, 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(); });
if (ParentListField != null)
{
EmitPushPopParent(builder, typeSystem);
}
CreateAllTypes();
ContextType = builder.CreateType();
}
public XamlUserType(XamlTypeInfoProvider provider, string fullName, Type fullType, IXamlType baseType)
: base(fullName, fullType)
{
_provider = provider;
_baseType = baseType;
}
public BindingSetter(AvaloniaXamlIlWellKnownTypes types,
IXamlType declaringType,
IXamlField avaloniaProperty) : base(types, declaringType, avaloniaProperty)
{
Parameters = new[] { types.IBinding };
}
public static IXamlType UpdateCompiledBindingExtension(AstTransformationContext context, XamlAstConstructableObjectNode binding, Func <IXamlType> startTypeResolver, IXamlType selfType)
{
IXamlType bindingResultType = null;
if (binding.Arguments.Count > 0 && binding.Arguments[0] is ParsedBindingPathNode bindingPath)
{
var transformed = TransformBindingPath(
context,
bindingPath,
startTypeResolver,
selfType,
bindingPath.Path);
bindingResultType = transformed.BindingResultType;
binding.Arguments[0] = transformed;
}
else
{
var bindingPathAssignment = binding.Children.OfType <XamlPropertyAssignmentNode>()
.FirstOrDefault(v => v.Property.Name == "Path");
if (bindingPathAssignment is null)
{
return(startTypeResolver());
}
if (bindingPathAssignment.Values[0] is ParsedBindingPathNode bindingPathNode)
{
var transformed = TransformBindingPath(
context,
bindingPathNode,
startTypeResolver,
selfType,
bindingPathNode.Path);
bindingResultType = transformed.BindingResultType;
bindingPathAssignment.Values[0] = transformed;
}
else
{
throw new InvalidOperationException();
}
}
return(bindingResultType);
}
public UnsetValueSetter(AvaloniaXamlIlWellKnownTypes types, IXamlType declaringType, IXamlField avaloniaProperty)
: base(types, declaringType, avaloniaProperty)
{
Parameters = new[] { types.UnsetValueType };
}
public XamlUserType(XamlTypeInfoProvider provider, string fullName, Type fullType, IXamlType baseType)
: base(fullName, fullType)
{
_provider = provider;
_baseType = baseType;
}
public IXamlCustomAttribute GetCustomAttribute(IXamlProperty property, IXamlType attributeType)
{
return(null);
}
