From 143b6a3476537e27ed61424258d11947f94c219c Mon Sep 17 00:00:00 2001 From: Nikita Tsukanov Date: Tue, 11 Jun 2019 21:10:41 +0300 Subject: [PATCH] Explicitly ignore Setter's property type for animations --- .../AvaloniaXamlIlLanguage.cs | 2 +- .../AvaloniaXamlIlSetterTransformer.cs | 27 ++++++-- .../AvaloniaXamlIlWellKnownTypes.cs | 2 + .../XamlIlAvaloniaPropertyHelper.cs | 66 ++++++++++++++++++- 4 files changed, 88 insertions(+), 9 deletions(-) diff --git a/src/Markup/Avalonia.Markup.Xaml/XamlIl/CompilerExtensions/AvaloniaXamlIlLanguage.cs b/src/Markup/Avalonia.Markup.Xaml/XamlIl/CompilerExtensions/AvaloniaXamlIlLanguage.cs index 581dbcdac7..d5cc93ef66 100644 --- a/src/Markup/Avalonia.Markup.Xaml/XamlIl/CompilerExtensions/AvaloniaXamlIlLanguage.cs +++ b/src/Markup/Avalonia.Markup.Xaml/XamlIl/CompilerExtensions/AvaloniaXamlIlLanguage.cs @@ -165,7 +165,7 @@ namespace Avalonia.Markup.Xaml.XamlIl.CompilerExtensions throw new XamlIlLoadException("Unable to find the parent scope for AvaloniaProperty lookup", node); if (!(node is XamlIlAstTextNode text)) throw new XamlIlLoadException("Property should be a text node", node); - result = XamlIlAvaloniaPropertyHelper.CreateNode(context, text.Text, scope.TargetType, text); + result = XamlIlAvaloniaPropertyHelper.CreateNode(context, text.Text, scope.TargetType, text, false); return true; } diff --git a/src/Markup/Avalonia.Markup.Xaml/XamlIl/CompilerExtensions/Transformers/AvaloniaXamlIlSetterTransformer.cs b/src/Markup/Avalonia.Markup.Xaml/XamlIl/CompilerExtensions/Transformers/AvaloniaXamlIlSetterTransformer.cs index 0e7ea34bb7..d548d3a188 100644 --- a/src/Markup/Avalonia.Markup.Xaml/XamlIl/CompilerExtensions/Transformers/AvaloniaXamlIlSetterTransformer.cs +++ b/src/Markup/Avalonia.Markup.Xaml/XamlIl/CompilerExtensions/Transformers/AvaloniaXamlIlSetterTransformer.cs @@ -16,8 +16,24 @@ namespace Avalonia.Markup.Xaml.XamlIl.CompilerExtensions.Transformers if (!(node is XamlIlAstObjectNode on && on.Type.GetClrType().FullName == "Avalonia.Styling.Setter")) return node; - var parent = context.ParentNodes().OfType() - .FirstOrDefault(x => x.Type.GetClrType().FullName == "Avalonia.Styling.Style"); + + // This is a hack required to get complex animations (which are also a hack) to work + var inAnimation = false; + + XamlIlAstObjectNode parent = null; + + foreach (var p in context.ParentNodes().OfType()) + { + if (p.Type.GetClrType().FullName == "Avalonia.Styling.Style") + { + parent = p; + break; + } + + if (p.Type.GetClrType().FullName == "Avalonia.Animation.Animation") + inAnimation = true; + } + if (parent == null) throw new XamlIlParseException( "Avalonia.Styling.Setter is only valid inside Avalonia.Styling.Style", node); @@ -43,7 +59,9 @@ namespace Avalonia.Markup.Xaml.XamlIl.CompilerExtensions.Transformers var avaloniaPropertyNode = XamlIlAvaloniaPropertyHelper.CreateNode(context, propertyName, - new XamlIlAstClrTypeReference(selector, selector.TargetType, false), property.Values[0]); + new XamlIlAstClrTypeReference(selector, selector.TargetType, false), property.Values[0], + // Hack to allow passing any property to an animation + inAnimation); property.Values = new List { avaloniaPropertyNode @@ -53,8 +71,7 @@ namespace Avalonia.Markup.Xaml.XamlIl.CompilerExtensions.Transformers .OfType().FirstOrDefault(p => p.Property.GetClrProperty().Name == "Value"); if (valueProperty?.Values?.Count == 1 && valueProperty.Values[0] is XamlIlAstTextNode) { - var propType = avaloniaPropertyNode.Property.Getter?.ReturnType - ?? avaloniaPropertyNode.Property.Setters.First().Parameters[0]; + var propType = avaloniaPropertyNode.AvaloniaPropertyType; if (!XamlIlTransformHelpers.TryGetCorrectlyTypedValue(context, valueProperty.Values[0], propType, out var converted)) throw new XamlIlParseException( diff --git a/src/Markup/Avalonia.Markup.Xaml/XamlIl/CompilerExtensions/Transformers/AvaloniaXamlIlWellKnownTypes.cs b/src/Markup/Avalonia.Markup.Xaml/XamlIl/CompilerExtensions/Transformers/AvaloniaXamlIlWellKnownTypes.cs index b57c26c241..c054e57380 100644 --- a/src/Markup/Avalonia.Markup.Xaml/XamlIl/CompilerExtensions/Transformers/AvaloniaXamlIlWellKnownTypes.cs +++ b/src/Markup/Avalonia.Markup.Xaml/XamlIl/CompilerExtensions/Transformers/AvaloniaXamlIlWellKnownTypes.cs @@ -10,6 +10,7 @@ namespace Avalonia.Markup.Xaml.XamlIl.CompilerExtensions.Transformers public IXamlIlType BindingPriority { get; } public IXamlIlType AvaloniaObjectExtensions { get; } public IXamlIlType AvaloniaProperty { get; } + public IXamlIlType AvaloniaPropertyT { get; } public IXamlIlType IBinding { get; } public IXamlIlMethod AvaloniaObjectBindMethod { get; } public IXamlIlMethod AvaloniaObjectSetValueMethod { get; } @@ -26,6 +27,7 @@ namespace Avalonia.Markup.Xaml.XamlIl.CompilerExtensions.Transformers IAvaloniaObject = ctx.Configuration.TypeSystem.GetType("Avalonia.IAvaloniaObject"); AvaloniaObjectExtensions = ctx.Configuration.TypeSystem.GetType("Avalonia.AvaloniaObjectExtensions"); AvaloniaProperty = ctx.Configuration.TypeSystem.GetType("Avalonia.AvaloniaProperty"); + AvaloniaPropertyT = ctx.Configuration.TypeSystem.GetType("Avalonia.AvaloniaProperty`1"); BindingPriority = ctx.Configuration.TypeSystem.GetType("Avalonia.Data.BindingPriority"); IBinding = ctx.Configuration.TypeSystem.GetType("Avalonia.Data.IBinding"); IDisposable = ctx.Configuration.TypeSystem.GetType("System.IDisposable"); diff --git a/src/Markup/Avalonia.Markup.Xaml/XamlIl/CompilerExtensions/XamlIlAvaloniaPropertyHelper.cs b/src/Markup/Avalonia.Markup.Xaml/XamlIl/CompilerExtensions/XamlIlAvaloniaPropertyHelper.cs index 34a79a4cdc..bf3f8958b3 100644 --- a/src/Markup/Avalonia.Markup.Xaml/XamlIl/CompilerExtensions/XamlIlAvaloniaPropertyHelper.cs +++ b/src/Markup/Avalonia.Markup.Xaml/XamlIl/CompilerExtensions/XamlIlAvaloniaPropertyHelper.cs @@ -44,8 +44,9 @@ namespace Avalonia.Markup.Xaml.XamlIl.CompilerExtensions return true; } - public static XamlIlAvaloniaPropertyNode CreateNode(XamlIlAstTransformationContext context, - string propertyName, IXamlIlAstTypeReference selectorTypeReference, IXamlIlLineInfo lineInfo) + public static IXamlIlAvaloniaPropertyNode CreateNode(XamlIlAstTransformationContext context, + string propertyName, IXamlIlAstTypeReference selectorTypeReference, IXamlIlLineInfo lineInfo, + bool ignoreAttachedTargetType) { XamlIlAstNamePropertyReference forgedReference; @@ -63,6 +64,18 @@ namespace Avalonia.Markup.Xaml.XamlIl.CompilerExtensions xmlOwner += parsedPropertyName.owner; var tref = XamlIlTypeReferenceResolver.ResolveType(context, xmlOwner, false, lineInfo, true); + + if (ignoreAttachedTargetType) + { + var propertyFieldName = parsedPropertyName.name + "Property"; + var found = tref.Type.GetAllFields() + .FirstOrDefault(f => f.IsStatic && f.IsPublic && f.Name == propertyFieldName); + if (found == null) + throw new XamlIlParseException( + $"Unable to find {propertyFieldName} field on type {tref.Type.GetFullName()}", lineInfo); + return new XamlIlAvaloniaPropertyFieldNode(context.GetAvaloniaTypes(), lineInfo, found); + } + forgedReference = new XamlIlAstNamePropertyReference(lineInfo, tref, parsedPropertyName.name, selectorTypeReference); } @@ -75,13 +88,20 @@ namespace Avalonia.Markup.Xaml.XamlIl.CompilerExtensions clrProperty); } } + + interface IXamlIlAvaloniaPropertyNode : IXamlIlAstValueNode + { + IXamlIlType AvaloniaPropertyType { get; } + } - class XamlIlAvaloniaPropertyNode : XamlIlAstNode, IXamlIlAstValueNode, IXamlIlAstEmitableNode + class XamlIlAvaloniaPropertyNode : XamlIlAstNode, IXamlIlAstValueNode, IXamlIlAstEmitableNode, IXamlIlAvaloniaPropertyNode { public XamlIlAvaloniaPropertyNode(IXamlIlLineInfo lineInfo, IXamlIlType type, XamlIlAstClrProperty property) : base(lineInfo) { Type = new XamlIlAstClrTypeReference(this, type, false); Property = property; + AvaloniaPropertyType = Property.Getter?.ReturnType + ?? Property.Setters.First().Parameters[0]; } public XamlIlAstClrProperty Property { get; } @@ -93,6 +113,46 @@ namespace Avalonia.Markup.Xaml.XamlIl.CompilerExtensions throw new XamlIlLoadException(Property.Name + " is not an AvaloniaProperty", this); return XamlIlNodeEmitResult.Type(0, Type.GetClrType()); } + + public IXamlIlType AvaloniaPropertyType { get; } + } + + class XamlIlAvaloniaPropertyFieldNode : XamlIlAstNode, IXamlIlAstValueNode, IXamlIlAstEmitableNode, IXamlIlAvaloniaPropertyNode + { + private readonly IXamlIlField _field; + + public XamlIlAvaloniaPropertyFieldNode(AvaloniaXamlIlWellKnownTypes types, + IXamlIlLineInfo lineInfo, IXamlIlField field) : base(lineInfo) + { + _field = field; + var avaloniaPropertyType = field.FieldType; + while (avaloniaPropertyType != null) + { + if (avaloniaPropertyType.GenericTypeDefinition?.Equals(types.AvaloniaPropertyT) == true) + { + AvaloniaPropertyType = avaloniaPropertyType.GenericArguments[0]; + return; + } + + avaloniaPropertyType = avaloniaPropertyType.BaseType; + } + + throw new XamlIlParseException( + $"{field.Name}'s type {field.FieldType} doesn't inherit from AvaloniaProperty, make sure to use typed properties", + lineInfo); + + } + + + + public IXamlIlAstTypeReference Type => new XamlIlAstClrTypeReference(this, _field.FieldType, false); + public XamlIlNodeEmitResult Emit(XamlIlEmitContext context, IXamlIlEmitter codeGen) + { + codeGen.Ldsfld(_field); + return XamlIlNodeEmitResult.Type(0, _field.FieldType); + } + + public IXamlIlType AvaloniaPropertyType { get; } } interface IXamlIlAvaloniaProperty