/// <summary>
/// Gets the underlying element type.
/// </summary>
/// <param name="type">The type to extract the underlying type (if any).</param>
/// <returns>The underlying element type.</returns>
/// <returns>The underlying type.</returns>
public static Type GetUnderlyingType(TypeInfo type)
{
if (type.IsArray)
{
return type.GetElementType();
}
if (type.IsGenericType == false)
{
return type.AsType();
}
Type enumerableType;
if (TryGetEnumerableType(type, out enumerableType))
{
return enumerableType.GetTypeInfo().GenericTypeArguments[0]; ;
}
return type.AsType();
}
/// <summary>
/// Resolves <see cref="System.Type"/> to a <see cref="TypeSymbol"/> available in this assembly
/// its referenced assemblies.
/// </summary>
/// <param name="type">The type to resolve.</param>
/// <param name="includeReferences">Use referenced assemblies for resolution.</param>
/// <returns>The resolved symbol if successful or null on failure.</returns>
internal TypeSymbol GetTypeByReflectionType(Type type, bool includeReferences)
{
System.Reflection.TypeInfo typeInfo = type.GetTypeInfo();
Debug.Assert(!typeInfo.IsByRef);
// not supported rigth now (we don't accept open types as submission results nor host types):
Debug.Assert(!typeInfo.ContainsGenericParameters);
if (typeInfo.IsArray)
{
TypeSymbol symbol = GetTypeByReflectionType(typeInfo.GetElementType(), includeReferences);
if ((object)symbol == null)
{
return(null);
}
int rank = typeInfo.GetArrayRank();
return(new ArrayTypeSymbol(this, symbol, ImmutableArray <CustomModifier> .Empty, rank));
}
else if (typeInfo.IsPointer)
{
TypeSymbol symbol = GetTypeByReflectionType(typeInfo.GetElementType(), includeReferences);
if ((object)symbol == null)
{
return(null);
}
return(new PointerTypeSymbol(symbol));
}
else if (typeInfo.DeclaringType != null)
{
Debug.Assert(!typeInfo.IsArray);
// consolidated generic arguments (includes arguments of all declaring types):
Type[] genericArguments = typeInfo.GenericTypeArguments;
int typeArgumentIndex = 0;
var currentTypeInfo = typeInfo.IsGenericType ? typeInfo.GetGenericTypeDefinition().GetTypeInfo() : typeInfo;
var nestedTypes = ArrayBuilder <System.Reflection.TypeInfo> .GetInstance();
while (true)
{
Debug.Assert(currentTypeInfo.IsGenericTypeDefinition || !currentTypeInfo.IsGenericType);
nestedTypes.Add(currentTypeInfo);
if (currentTypeInfo.DeclaringType == null)
{
break;
}
currentTypeInfo = currentTypeInfo.DeclaringType.GetTypeInfo();
}
int i = nestedTypes.Count - 1;
var symbol = (NamedTypeSymbol)GetTypeByReflectionType(nestedTypes[i].AsType(), includeReferences);
if ((object)symbol == null)
{
return(null);
}
while (--i >= 0)
{
int forcedArity = nestedTypes[i].GenericTypeParameters.Length - nestedTypes[i + 1].GenericTypeParameters.Length;
MetadataTypeName mdName = MetadataTypeName.FromTypeName(nestedTypes[i].Name, forcedArity: forcedArity);
symbol = symbol.LookupMetadataType(ref mdName);
if ((object)symbol == null || symbol.IsErrorType())
{
return(null);
}
symbol = ApplyGenericArguments(symbol, genericArguments, ref typeArgumentIndex, includeReferences);
if ((object)symbol == null)
{
return(null);
}
}
nestedTypes.Free();
Debug.Assert(typeArgumentIndex == genericArguments.Length);
return(symbol);
}
else
{
AssemblyIdentity assemblyId = AssemblyIdentity.FromAssemblyDefinition(typeInfo.Assembly);
MetadataTypeName mdName = MetadataTypeName.FromNamespaceAndTypeName(
typeInfo.Namespace ?? string.Empty,
typeInfo.Name,
forcedArity: typeInfo.GenericTypeArguments.Length);
NamedTypeSymbol symbol = GetTopLevelTypeByMetadataName(ref mdName, assemblyId, includeReferences, isWellKnownType: false);
if ((object)symbol == null || symbol.IsErrorType())
{
return(null);
}
int typeArgumentIndex = 0;
Type[] genericArguments = typeInfo.GenericTypeArguments;
symbol = ApplyGenericArguments(symbol, genericArguments, ref typeArgumentIndex, includeReferences);
Debug.Assert(typeArgumentIndex == genericArguments.Length);
return(symbol);
}
}
void SetupPart(System.Reflection.TypeInfo sourceType, BindingExpressionPart part)
{
part.Arguments = null;
part.LastGetter = null;
part.LastSetter = null;
PropertyInfo property = null;
if (part.IsIndexer)
{
if (sourceType.IsArray)
{
int index;
if (!int.TryParse(part.Content, NumberStyles.Number, CultureInfo.InvariantCulture, out index))
{
Console.WriteLine($"Binding : {part.Content} could not be parsed as an index for a {sourceType}");
}
else
{
part.Arguments = new object[] { index }
};
part.LastGetter = sourceType.GetDeclaredMethod("Get");
part.LastSetter = sourceType.GetDeclaredMethod("Set");
part.SetterType = sourceType.GetElementType();
}
DefaultMemberAttribute defaultMember = sourceType.GetCustomAttributes(typeof(DefaultMemberAttribute), true).OfType <DefaultMemberAttribute>().FirstOrDefault();
string indexerName = defaultMember != null ? defaultMember.MemberName : "Item";
part.IndexerName = indexerName;
#if NETSTANDARD2_0
try
{
property = sourceType.GetDeclaredProperty(indexerName);
}
catch (AmbiguousMatchException)
{
// Get most derived instance of property
foreach (var p in sourceType.GetProperties().Where(prop => prop.Name == indexerName))
{
if (property == null || property.DeclaringType.IsAssignableFrom(property.DeclaringType))
{
property = p;
}
}
}
#else
property = sourceType.GetDeclaredProperty(indexerName);
#endif
if (property == null) //is the indexer defined on the base class?
{
property = sourceType.BaseType?.GetProperty(indexerName);
}
if (property == null) //is the indexer defined on implemented interface ?
{
foreach (var implementedInterface in sourceType.ImplementedInterfaces)
{
property = implementedInterface.GetProperty(indexerName);
if (property != null)
{
break;
}
}
}
if (property != null)
{
ParameterInfo parameter = property.GetIndexParameters().FirstOrDefault();
if (parameter != null)
{
try
{
object arg = Convert.ChangeType(part.Content, parameter.ParameterType, CultureInfo.InvariantCulture);
part.Arguments = new[] { arg };
}
catch (FormatException)
{
}
catch (InvalidCastException)
{
}
catch (OverflowException)
{
}
}
}
}
else
{
property = sourceType.GetDeclaredProperty(part.Content) ?? sourceType.BaseType?.GetProperty(part.Content);
}
if (property != null)
{
if (property.CanRead && property.GetMethod != null)
{
if (property.GetMethod.IsPublic && !property.GetMethod.IsStatic)
{
part.LastGetter = property.GetMethod;
}
}
if (property.CanWrite && property.SetMethod != null)
{
if (property.SetMethod.IsPublic && !property.SetMethod.IsStatic)
{
part.LastSetter = property.SetMethod;
part.SetterType = part.LastSetter.GetParameters().Last().ParameterType;
if (Binding.AllowChaining)
{
FieldInfo bindablePropertyField = sourceType.GetDeclaredField(part.Content + "Property");
if (bindablePropertyField != null && bindablePropertyField.FieldType == typeof(BindableProperty) && sourceType.ImplementedInterfaces.Contains(typeof(IElementController)))
{
MethodInfo setValueMethod = null;
#if NETSTANDARD1_0
foreach (MethodInfo m in sourceType.AsType().GetRuntimeMethods())
{
if (m.Name.EndsWith("IElementController.SetValueFromRenderer"))
{
ParameterInfo[] parameters = m.GetParameters();
if (parameters.Length == 2 && parameters[0].ParameterType == typeof(BindableProperty))
{
setValueMethod = m;
break;
}
}
}
#else
setValueMethod = typeof(IElementController).GetMethod("SetValueFromRenderer", new[] { typeof(BindableProperty), typeof(object) });
#endif
if (setValueMethod != null)
{
part.LastSetter = setValueMethod;
part.IsBindablePropertySetter = true;
part.BindablePropertyField = bindablePropertyField.GetValue(null);
}
}
}
}
}
#if !NETSTANDARD1_0
//TupleElementNamesAttribute tupleEltNames;
//if (property != null
// && part.NextPart != null
// && property.PropertyType.IsGenericType
// && (property.PropertyType.GetGenericTypeDefinition() == typeof(ValueTuple<>)
// || property.PropertyType.GetGenericTypeDefinition() == typeof(ValueTuple<,>)
// || property.PropertyType.GetGenericTypeDefinition() == typeof(ValueTuple<,,>)
// || property.PropertyType.GetGenericTypeDefinition() == typeof(ValueTuple<,,,>)
// || property.PropertyType.GetGenericTypeDefinition() == typeof(ValueTuple<,,,,>)
// || property.PropertyType.GetGenericTypeDefinition() == typeof(ValueTuple<,,,,,>)
// || property.PropertyType.GetGenericTypeDefinition() == typeof(ValueTuple<,,,,,,>)
// || property.PropertyType.GetGenericTypeDefinition() == typeof(ValueTuple<,,,,,,,>))
// && (tupleEltNames = property.GetCustomAttribute(typeof(TupleElementNamesAttribute)) as TupleElementNamesAttribute) != null)
//{
// // modify the nextPart to access the tuple item via the ITuple indexer
// var nextPart = part.NextPart;
// var name = nextPart.Content;
// var index = tupleEltNames.TransformNames.IndexOf(name);
// if (index >= 0)
// {
// nextPart.IsIndexer = true;
// nextPart.Content = index.ToString();
// }
//}
#endif
}
}
private static CreateMethod CreateObjectActivator(TypeInfo typeInfo, out object firstResult)
{
CreateMethod activator;
firstResult = null;
// Filter out non-instantiatable Types
if (typeInfo.IsAbstract || typeInfo.IsInterface || typeInfo.IsGenericTypeDefinition)
{
activator = nullObjectActivator;
}
// If the caller wants a string, just return an empty one
else if (typeInfo.AsType() == typeof(string))
{
activator = () => "";
}
// If the caller wants an array, create an empty one
else if (typeInfo.IsArray && typeInfo.GetArrayRank() == 1)
{
activator = () => Array.CreateInstance(typeInfo.GetElementType(), 0);
}
// For structs, boxing a default(T) is sufficient
else if (typeInfo.IsValueType)
{
var lambda = Expression.Lambda<CreateMethod>(Expression.Convert(Expression.Default(typeInfo.AsType()), typeof(object)));
activator = lambda.Compile();
}
else
{
activator = nullObjectActivator;
// Retrieve constructors, sorted from trivial to parameter-rich
ConstructorInfo[] constructors = typeInfo.DeclaredConstructors
.Where(c => !c.IsStatic)
.Select(c => new { Info = c, ParamCount = c.GetParameters().Length })
.OrderBy(s => s.ParamCount)
.Select(s => s.Info)
.ToArray();
Exception lastError = null;
foreach (ConstructorInfo con in constructors)
{
// Prepare constructor argument values - just use default(T) for all of them.
ParameterInfo[] conParams = con.GetParameters();
Expression[] args = new Expression[conParams.Length];
for (int i = 0; i < args.Length; i++)
{
Type paramType = conParams[i].ParameterType;
args[i] = Expression.Default(paramType);
}
// Compile a lambda method invoking the constructor
var lambda = Expression.Lambda<CreateMethod>(Expression.New(con, args));
activator = lambda.Compile();
// Does it work?
firstResult = CheckActivator(activator, out lastError);
if (firstResult != null)
break;
}
// If all constructors failed, inform someone. This is not ideal.
if (firstResult == null)
{
Log.Core.WriteWarning("Failed to create object of Type {0}. Make sure there is a trivial constructor.", Log.Type(typeInfo));
}
}
// Test whether our activation method really works, replace with dummy if not
if (firstResult == null)
{
Exception error;
firstResult = CheckActivator(activator, out error);
// If we fail to initialize the Type due to a problem in its static constructor, it's likely a user problem. Let him know.
if (error is TypeInitializationException)
{
Log.Core.WriteError("Failed to initialize Type {0}: {1}",
Log.Type(typeInfo),
Log.Exception(error.InnerException));
}
}
// If we still don't have anything, just use a dummy.
if (firstResult == null)
activator = nullObjectActivator;
return activator;
}
// Method to compare two types pointers for type equality
// We cannot just compare the pointers as there can be duplicate type instances
// for cloned and constructed types.
static bool AreTypesEquivalentInternal(TypeInfo pType1, TypeInfo pType2)
{
if (!pType1.IsInstantiatedTypeInfo() && !pType2.IsInstantiatedTypeInfo())
return pType1.Equals(pType2);
if (pType1.IsGenericType && pType2.IsGenericType)
{
if (!pType1.GetGenericTypeDefinition().Equals(pType2.GetGenericTypeDefinition()))
return false;
Type[] args1 = pType1.GenericTypeArguments;
Type[] args2 = pType2.GenericTypeArguments;
Debug.Assert(args1.Length == args2.Length);
for (int i = 0; i < args1.Length; i++)
{
if (!AreTypesEquivalentInternal(args1[i].GetTypeInfo(), args2[i].GetTypeInfo()))
return false;
}
return true;
}
if (pType1.IsArray && pType2.IsArray)
{
if (pType1.GetArrayRank() != pType2.GetArrayRank())
return false;
return AreTypesEquivalentInternal(pType1.GetElementType().GetTypeInfo(), pType2.GetElementType().GetTypeInfo());
}
if (pType1.IsPointer && pType2.IsPointer)
{
return AreTypesEquivalentInternal(pType1.GetElementType().GetTypeInfo(), pType2.GetElementType().GetTypeInfo());
}
return false;
}
// Internally callable version of the export method above. Has two additional parameters:
// fBoxedSource : assume the source type is boxed so that value types and enums are
// compatible with Object, ValueType and Enum (if applicable)
// fAllowSizeEquivalence : allow identically sized integral types and enums to be considered
// equivalent (currently used only for array element types)
static bool AreTypesAssignableInternal(TypeInfo pSourceType, TypeInfo pTargetType, bool fBoxedSource, bool fAllowSizeEquivalence)
{
//
// Are the types identical?
//
if (AreTypesEquivalentInternal(pSourceType, pTargetType))
return true;
//
// Handle cast to interface cases.
//
if (pTargetType.IsInterface)
{
// Value types can only be cast to interfaces if they're boxed.
if (!fBoxedSource && pSourceType.IsValueType)
return false;
if (ImplementsInterface(pSourceType, pTargetType))
return true;
// Are the types compatible due to generic variance?
// if (pTargetType.HasGenericVariance && pSourceType.HasGenericVariance)
if (pTargetType.IsGenericType && pSourceType.IsGenericType)
return TypesAreCompatibleViaGenericVariance(pSourceType, pTargetType);
return false;
}
if (pSourceType.IsInterface)
{
// The only non-interface type an interface can be cast to is Object.
return pTargetType.IsSystemObject();
}
//
// Handle cast to array cases.
//
if (pTargetType.IsArray)
{
if (pSourceType.IsArray)
{
if (pSourceType.GetElementType().GetTypeInfo().IsPointer)
{
// If the element types are pointers, then only exact matches are correct.
// As we've already called AreTypesEquivalent at the start of this function,
// return false as the exact match case has already been handled.
// int** is not compatible with uint**, nor is int*[] oompatible with uint*[].
return false;
}
else
{
// Source type is also a pointer. Are the element types compatible? Note that using
// AreTypesAssignableInternal here handles array covariance as well as IFoo[] . Foo[]
// etc. Pass false for fBoxedSource since int[] is not assignable to object[].
return AreTypesAssignableInternal(pSourceType.GetElementType().GetTypeInfo(), pTargetType.GetElementType().GetTypeInfo(), false, true);
}
}
// Can't cast a non-array type to an array.
return false;
}
if (pSourceType.IsArray)
{
// Target type is not an array. But we can still cast arrays to Object or System.Array.
return pTargetType.IsSystemObject() || pTargetType.IsSystemArray();
}
//
// Handle pointer cases
//
if (pTargetType.IsPointer)
{
if (pSourceType.IsPointer)
{
if (pSourceType.GetElementType().GetTypeInfo().IsPointer)
{
// If the element types are pointers, then only exact matches are correct.
// As we've already called AreTypesEquivalent at the start of this function,
// return false as the exact match case has already been handled.
// int** is not compatible with uint**, nor is int*[] compatible with uint*[].
return false;
}
else
{
// Source type is also a pointer. Are the element types compatible? Note that using
// AreTypesAssignableInternal here handles array covariance as well as IFoo[] . Foo[]
// etc. Pass false for fBoxedSource since int[] is not assignable to object[].
return AreTypesAssignableInternal(pSourceType.GetElementType().GetTypeInfo(), pTargetType.GetElementType().GetTypeInfo(), false, true);
}
}
return false;
}
else if (pSourceType.IsPointer)
{
return false;
}
//
// Handle cast to other (non-interface, non-array) cases.
//
if (pSourceType.IsValueType)
{
// Certain value types of the same size are treated as equivalent when the comparison is
// between array element types (indicated by fAllowSizeEquivalence). These are integer types
// of the same size (e.g. int and uint) and the base type of enums vs all integer types of the
// same size.
if (fAllowSizeEquivalence && pTargetType.IsValueType)
{
if (ArePrimitveTypesEquivalentSize(pSourceType, pTargetType))
return true;
// Non-identical value types aren't equivalent in any other case (since value types are
// sealed).
return false;
}
// If the source type is a value type but it's not boxed then we've run out of options: the types
// are not identical, the target type isn't an interface and we're not allowed to check whether
// the target type is a parent of this one since value types are sealed and thus the only matches
// would be against Object, ValueType or Enum, all of which are reference types and not compatible
// with non-boxed value types.
if (!fBoxedSource)
return false;
}
//
// Are the types compatible via generic variance?
//
// if (pTargetType.HasGenericVariance && pSourceType.HasGenericVariance)
if (pTargetType.IsGenericType && pSourceType.IsGenericType)
{
if (TypesAreCompatibleViaGenericVariance(pSourceType, pTargetType))
return true;
}
// Is the source type derived from the target type?
if (IsDerived(pSourceType, pTargetType))
return true;
return false;
}
protected override string GetTypeName (TypeInfo type)
{
if (type.IsGenericType) {
return base.GetTypeName(type) + "<" +
string.Join (", ", type.GenericTypeArguments.Select (p => GetTypeName (p))) + ">";
}
if (type.IsArray && type.HasElementType && type.GetElementType().GetTypeInfo().IsGenericType) {
return GetTypeName (type.GetElementType ()) + string.Join("",
Enumerable.Range (0, type.GetArrayRank ()).Select (_ => "[]"));
}
return base.GetTypeName (type).TrimEnd ('&');
}
private static bool CanCastTo(this TypeInfo fromTypeInfo, TypeInfo toTypeInfo, FoundationTypes foundationTypes)
{
if (fromTypeInfo.Equals(toTypeInfo))
return true;
if (fromTypeInfo.IsArray)
{
if (toTypeInfo.IsInterface)
return fromTypeInfo.CanCastArrayToInterface(toTypeInfo, foundationTypes);
Type toType = toTypeInfo.AsType();
if (fromTypeInfo.IsSubclassOf(toType))
return true; // T[] is castable to Array or Object.
if (!toTypeInfo.IsArray)
return false;
int rank = fromTypeInfo.GetArrayRank();
if (rank != toTypeInfo.GetArrayRank())
return false;
bool fromTypeIsSzArray = fromTypeInfo.IsSzArray(foundationTypes);
bool toTypeIsSzArray = toTypeInfo.IsSzArray(foundationTypes);
if (fromTypeIsSzArray != toTypeIsSzArray)
{
// T[] is assignable to T[*] but not vice-versa.
if (!(rank == 1 && !toTypeIsSzArray))
{
return false; // T[*] is not castable to T[]
}
}
TypeInfo toElementTypeInfo = toTypeInfo.GetElementType().GetTypeInfo();
TypeInfo fromElementTypeInfo = fromTypeInfo.GetElementType().GetTypeInfo();
return fromElementTypeInfo.IsElementTypeCompatibleWith(toElementTypeInfo, foundationTypes);
}
if (fromTypeInfo.IsByRef)
{
if (!toTypeInfo.IsByRef)
return false;
TypeInfo toElementTypeInfo = toTypeInfo.GetElementType().GetTypeInfo();
TypeInfo fromElementTypeInfo = fromTypeInfo.GetElementType().GetTypeInfo();
return fromElementTypeInfo.IsElementTypeCompatibleWith(toElementTypeInfo, foundationTypes);
}
if (fromTypeInfo.IsPointer)
{
Type toType = toTypeInfo.AsType();
if (toType.Equals(foundationTypes.SystemObject))
return true; // T* is castable to Object.
if (toType.Equals(foundationTypes.SystemUIntPtr))
return true; // T* is castable to UIntPtr (but not IntPtr)
if (!toTypeInfo.IsPointer)
return false;
TypeInfo toElementTypeInfo = toTypeInfo.GetElementType().GetTypeInfo();
TypeInfo fromElementTypeInfo = fromTypeInfo.GetElementType().GetTypeInfo();
return fromElementTypeInfo.IsElementTypeCompatibleWith(toElementTypeInfo, foundationTypes);
}
if (fromTypeInfo.IsGenericParameter)
{
//
// A generic parameter can be cast to any of its constraints, or object, if none are specified, or ValueType if the "struct" constraint is
// specified.
//
// This has to be coded as its own case as TypeInfo.BaseType on a generic parameter doesn't always return what you'd expect.
//
Type toType = toTypeInfo.AsType();
if (toType.Equals(foundationTypes.SystemObject))
return true;
if (toType.Equals(foundationTypes.SystemValueType))
{
GenericParameterAttributes attributes = fromTypeInfo.GenericParameterAttributes;
if ((attributes & GenericParameterAttributes.NotNullableValueTypeConstraint) != 0)
return true;
}
foreach (Type constraintType in fromTypeInfo.GetGenericParameterConstraints())
{
if (constraintType.GetTypeInfo().CanCastTo(toTypeInfo, foundationTypes))
return true;
}
return false;
}
if (toTypeInfo.IsArray || toTypeInfo.IsByRef || toTypeInfo.IsPointer || toTypeInfo.IsGenericParameter)
return false;
if (fromTypeInfo.MatchesWithVariance(toTypeInfo, foundationTypes))
return true;
if (toTypeInfo.IsInterface)
{
foreach (Type ifc in fromTypeInfo.ImplementedInterfaces)
{
if (ifc.GetTypeInfo().MatchesWithVariance(toTypeInfo, foundationTypes))
return true;
}
return false;
}
else
{
// Interfaces are always castable to System.Object. The code below will not catch this as interfaces report their BaseType as null.
if (toTypeInfo.AsType().Equals(foundationTypes.SystemObject) && fromTypeInfo.IsInterface)
return true;
TypeInfo walk = fromTypeInfo;
for (;;)
{
Type baseType = walk.BaseType;
if (baseType == null)
return false;
walk = baseType.GetTypeInfo();
if (walk.MatchesWithVariance(toTypeInfo, foundationTypes))
return true;
}
}
}
void SetupPart(TypeInfo sourceType, BindingExpressionPart part)
{
part.Arguments = null;
part.LastGetter = null;
part.LastSetter = null;
PropertyInfo property = null;
if (part.IsIndexer)
{
if (sourceType.IsArray)
{
int index;
if (!int.TryParse(part.Content, out index))
Log.Warning("Binding", "{0} could not be parsed as an index for a {1}", part.Content, sourceType);
else
part.Arguments = new object[] { index };
part.LastGetter = sourceType.GetDeclaredMethod("Get");
part.LastSetter = sourceType.GetDeclaredMethod("Set");
part.SetterType = sourceType.GetElementType();
}
DefaultMemberAttribute defaultMember = sourceType.GetCustomAttributes(typeof(DefaultMemberAttribute), true).OfType<DefaultMemberAttribute>().FirstOrDefault();
string indexerName = defaultMember != null ? defaultMember.MemberName : "Item";
part.IndexerName = indexerName;
property = sourceType.GetDeclaredProperty(indexerName);
if (property == null)
property = sourceType.BaseType.GetProperty(indexerName);
if (property != null)
{
ParameterInfo parameter = property.GetIndexParameters().FirstOrDefault();
if (parameter != null)
{
try
{
object arg = Convert.ChangeType(part.Content, parameter.ParameterType, CultureInfo.InvariantCulture);
part.Arguments = new[] { arg };
}
catch (FormatException)
{
}
catch (InvalidCastException)
{
}
catch (OverflowException)
{
}
}
}
}
else
{
property = sourceType.GetDeclaredProperty(part.Content);
if (property == null)
property = sourceType.BaseType.GetProperty(part.Content);
}
if (property != null)
{
if (property.CanRead && property.GetMethod.IsPublic && !property.GetMethod.IsStatic)
part.LastGetter = property.GetMethod;
if (property.CanWrite && property.SetMethod.IsPublic && !property.SetMethod.IsStatic)
{
part.LastSetter = property.SetMethod;
part.SetterType = part.LastSetter.GetParameters().Last().ParameterType;
if (Binding.AllowChaining)
{
FieldInfo bindablePropertyField = sourceType.GetDeclaredField(part.Content + "Property");
if (bindablePropertyField != null && bindablePropertyField.FieldType == typeof(BindableProperty) && sourceType.ImplementedInterfaces.Contains(typeof(IElementController)))
{
MethodInfo setValueMethod = null;
foreach (MethodInfo m in sourceType.AsType().GetRuntimeMethods())
{
if (m.Name.EndsWith("IElementController.SetValueFromRenderer"))
{
ParameterInfo[] parameters = m.GetParameters();
if (parameters.Length == 2 && parameters[0].ParameterType == typeof(BindableProperty))
{
setValueMethod = m;
break;
}
}
}
if (setValueMethod != null)
{
part.LastSetter = setValueMethod;
part.IsBindablePropertySetter = true;
part.BindablePropertyField = bindablePropertyField.GetValue(null);
}
}
}
}
}
}
