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// ==++==
//
// Copyright(c) Microsoft Corporation. All rights reserved.
//
// ==--==
// <OWNER>Microsoft</OWNER>
//
namespace System.Reflection
{
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Diagnostics.Contracts;
using System.Globalization;
using System.Runtime;
using System.Runtime.ConstrainedExecution;
using System.Runtime.InteropServices;
using System.Runtime.Serialization;
using System.Security.Permissions;
using System.Text;
using RuntimeTypeCache = System.RuntimeType.RuntimeTypeCache;
[Serializable]
[ClassInterface(ClassInterfaceType.None)]
[ComDefaultInterface(typeof(_PropertyInfo))]
#pragma warning disable 618
[PermissionSetAttribute(SecurityAction.InheritanceDemand, Name = "FullTrust")]
#pragma warning restore 618
[System.Runtime.InteropServices.ComVisible(true)]
public abstract class PropertyInfo : MemberInfo, _PropertyInfo
{
#region Constructor
protected PropertyInfo() { }
#endregion
#if !FEATURE_CORECLR
public static bool operator ==(PropertyInfo left, PropertyInfo right)
{
if (ReferenceEquals(left, right))
return true;
if ((object)left == null || (object)right == null ||
left is RuntimePropertyInfo || right is RuntimePropertyInfo)
{
return false;
}
return left.Equals(right);
}
public static bool operator !=(PropertyInfo left, PropertyInfo right)
{
return !(left == right);
}
#endif // !FEATURE_CORECLR
public override bool Equals(object obj)
{
return base.Equals(obj);
}
public override int GetHashCode()
{
return base.GetHashCode();
}
#region MemberInfo Overrides
public override MemberTypes MemberType { get { return System.Reflection.MemberTypes.Property; } }
#endregion
#region Public Abstract\Virtual Members
public virtual object GetConstantValue()
{
throw new NotImplementedException();
}
public virtual object GetRawConstantValue()
{
throw new NotImplementedException();
}
public abstract Type PropertyType { get; }
public abstract void SetValue(Object obj, Object value, BindingFlags invokeAttr, Binder binder, Object[] index, CultureInfo culture);
public abstract MethodInfo[] GetAccessors(bool nonPublic);
public abstract MethodInfo GetGetMethod(bool nonPublic);
public abstract MethodInfo GetSetMethod(bool nonPublic);
public abstract ParameterInfo[] GetIndexParameters();
public abstract PropertyAttributes Attributes { get; }
public abstract bool CanRead { get; }
public abstract bool CanWrite { get; }
[DebuggerStepThroughAttribute]
[Diagnostics.DebuggerHidden]
public Object GetValue(Object obj)
{
return GetValue(obj, null);
}
[DebuggerStepThroughAttribute]
[Diagnostics.DebuggerHidden]
public virtual Object GetValue(Object obj,Object[] index)
{
return GetValue(obj, BindingFlags.Default, null, index, null);
}
public abstract Object GetValue(Object obj, BindingFlags invokeAttr, Binder binder, Object[] index, CultureInfo culture);
[DebuggerStepThroughAttribute]
[Diagnostics.DebuggerHidden]
public void SetValue(Object obj, Object value)
{
SetValue(obj, value, null);
}
[DebuggerStepThroughAttribute]
[Diagnostics.DebuggerHidden]
public virtual void SetValue(Object obj, Object value, Object[] index)
{
SetValue(obj, value, BindingFlags.Default, null, index, null);
}
#endregion
#region Public Members
public virtual Type[] GetRequiredCustomModifiers() { return EmptyArray<Type>.Value; }
public virtual Type[] GetOptionalCustomModifiers() { return EmptyArray<Type>.Value; }
public MethodInfo[] GetAccessors() { return GetAccessors(false); }
public virtual MethodInfo GetMethod
{
get
{
return GetGetMethod(true);
}
}
public virtual MethodInfo SetMethod
{
get
{
return GetSetMethod(true);
}
}
public MethodInfo GetGetMethod() { return GetGetMethod(false); }
public MethodInfo GetSetMethod() { return GetSetMethod(false); }
public bool IsSpecialName { get { return(Attributes & PropertyAttributes.SpecialName) != 0; } }
#endregion
#if !FEATURE_CORECLR
Type _PropertyInfo.GetType()
{
return base.GetType();
}
void _PropertyInfo.GetTypeInfoCount(out uint pcTInfo)
{
throw new NotImplementedException();
}
void _PropertyInfo.GetTypeInfo(uint iTInfo, uint lcid, IntPtr ppTInfo)
{
throw new NotImplementedException();
}
void _PropertyInfo.GetIDsOfNames([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId)
{
throw new NotImplementedException();
}
// If you implement this method, make sure to include _PropertyInfo.Invoke in VM\DangerousAPIs.h and
// include _PropertyInfo in SystemDomain::IsReflectionInvocationMethod in AppDomain.cpp.
void _PropertyInfo.Invoke(uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams, IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr)
{
throw new NotImplementedException();
}
#endif
}
[Serializable]
internal unsafe sealed class RuntimePropertyInfo : PropertyInfo, ISerializable
{
#region Private Data Members
private int m_token;
private string m_name;
[System.Security.SecurityCritical]
private void* m_utf8name;
private PropertyAttributes m_flags;
private RuntimeTypeCache m_reflectedTypeCache;
private RuntimeMethodInfo m_getterMethod;
private RuntimeMethodInfo m_setterMethod;
private MethodInfo[] m_otherMethod;
private RuntimeType m_declaringType;
private BindingFlags m_bindingFlags;
private Signature m_signature;
private ParameterInfo[] m_parameters;
#endregion
#region Constructor
[System.Security.SecurityCritical] // auto-generated
internal RuntimePropertyInfo(
int tkProperty, RuntimeType declaredType, RuntimeTypeCache reflectedTypeCache, out bool isPrivate)
{
Contract.Requires(declaredType != null);
Contract.Requires(reflectedTypeCache != null);
Contract.Assert(!reflectedTypeCache.IsGlobal);
MetadataImport scope = declaredType.GetRuntimeModule().MetadataImport;
m_token = tkProperty;
m_reflectedTypeCache = reflectedTypeCache;
m_declaringType = declaredType;
ConstArray sig;
scope.GetPropertyProps(tkProperty, out m_utf8name, out m_flags, out sig);
RuntimeMethodInfo dummy;
Associates.AssignAssociates(scope, tkProperty, declaredType, reflectedTypeCache.GetRuntimeType(),
out dummy, out dummy, out dummy,
out m_getterMethod, out m_setterMethod, out m_otherMethod,
out isPrivate, out m_bindingFlags);
}
#endregion
#region Internal Members
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
internal override bool CacheEquals(object o)
{
RuntimePropertyInfo m = o as RuntimePropertyInfo;
if ((object)m == null)
return false;
return m.m_token == m_token &&
RuntimeTypeHandle.GetModule(m_declaringType).Equals(
RuntimeTypeHandle.GetModule(m.m_declaringType));
}
internal Signature Signature
{
[System.Security.SecuritySafeCritical] // auto-generated
get
{
if (m_signature == null)
{
PropertyAttributes flags;
ConstArray sig;
void* name;
GetRuntimeModule().MetadataImport.GetPropertyProps(
m_token, out name, out flags, out sig);
m_signature = new Signature(sig.Signature.ToPointer(), (int)sig.Length, m_declaringType);
}
return m_signature;
}
}
internal bool EqualsSig(RuntimePropertyInfo target)
{
//@Asymmetry - Legacy policy is to remove duplicate properties, including hidden properties.
// The comparison is done by name and by sig. The EqualsSig comparison is expensive
// but forutnetly it is only called when an inherited property is hidden by name or
// when an interfaces declare properies with the same signature.
// Note that we intentionally don't resolve generic arguments so that we don't treat
// signatures that only match in certain instantiations as duplicates. This has the
// down side of treating overriding and overriden properties as different properties
// in some cases. But PopulateProperties in rttype.cs should have taken care of that
// by comparing VTable slots.
//
// Class C1(Of T, Y)
// Property Prop1(ByVal t1 As T) As Integer
// Get
// ... ...
// End Get
// End Property
// Property Prop1(ByVal y1 As Y) As Integer
// Get
// ... ...
// End Get
// End Property
// End Class
//
Contract.Requires(Name.Equals(target.Name));
Contract.Requires(this != target);
Contract.Requires(this.ReflectedType == target.ReflectedType);
#if FEATURE_LEGACYNETCF
if (CompatibilitySwitches.IsAppEarlierThanWindowsPhone8)
return Signature.CompareSigForAppCompat(this.Signature, this.m_declaringType,
target.Signature, target.m_declaringType);
#endif
return Signature.CompareSig(this.Signature, target.Signature);
}
internal BindingFlags BindingFlags { get { return m_bindingFlags; } }
#endregion
#if FEATURE_LEGACYNETCF
// BEGIN helper methods for Dev11 466969 quirk
internal bool HasMatchingAccessibility(RuntimePropertyInfo target)
{
Contract.Assert(CompatibilitySwitches.IsAppEarlierThanWindowsPhone8);
bool match = true;
if (!IsMatchingAccessibility(this.GetGetMethod(true), target.GetGetMethod(true)))
{
match = false;
}
else if (!IsMatchingAccessibility(this.GetSetMethod(true), target.GetSetMethod(true)))
{
match = false;
}
return match;
}
private bool IsMatchingAccessibility(MethodInfo lhsInfo, MethodInfo rhsInfo)
{
if (lhsInfo != null && rhsInfo != null)
{
return lhsInfo.IsPublic == rhsInfo.IsPublic;
}
else
{
// don't be tempted to return false here! we only want to introduce
// the quirk behavior when we know that the accessibility is different.
// in all other cases return true so the code works as before.
return true;
}
}
// END helper methods for Dev11 466969 quirk
#endif
#region Object Overrides
public override String ToString()
{
return FormatNameAndSig(false);
}
private string FormatNameAndSig(bool serialization)
{
StringBuilder sbName = new StringBuilder(PropertyType.FormatTypeName(serialization));
sbName.Append(" ");
sbName.Append(Name);
RuntimeType[] arguments = Signature.Arguments;
if (arguments.Length > 0)
{
sbName.Append(" [");
sbName.Append(MethodBase.ConstructParameters(arguments, Signature.CallingConvention, serialization));
sbName.Append("]");
}
return sbName.ToString();
}
#endregion
#region ICustomAttributeProvider
public override Object[] GetCustomAttributes(bool inherit)
{
return CustomAttribute.GetCustomAttributes(this, typeof(object) as RuntimeType);
}
public override Object[] GetCustomAttributes(Type attributeType, bool inherit)
{
if (attributeType == null)
throw new ArgumentNullException("attributeType");
Contract.EndContractBlock();
RuntimeType attributeRuntimeType = attributeType.UnderlyingSystemType as RuntimeType;
if (attributeRuntimeType == null)
throw new ArgumentException(Environment.GetResourceString("Arg_MustBeType"),"attributeType");
return CustomAttribute.GetCustomAttributes(this, attributeRuntimeType);
}
[System.Security.SecuritySafeCritical] // auto-generated
public override bool IsDefined(Type attributeType, bool inherit)
{
if (attributeType == null)
throw new ArgumentNullException("attributeType");
Contract.EndContractBlock();
RuntimeType attributeRuntimeType = attributeType.UnderlyingSystemType as RuntimeType;
if (attributeRuntimeType == null)
throw new ArgumentException(Environment.GetResourceString("Arg_MustBeType"),"attributeType");
return CustomAttribute.IsDefined(this, attributeRuntimeType);
}
public override IList<CustomAttributeData> GetCustomAttributesData()
{
return CustomAttributeData.GetCustomAttributesInternal(this);
}
#endregion
#region MemberInfo Overrides
public override MemberTypes MemberType { get { return MemberTypes.Property; } }
public override String Name
{
[System.Security.SecuritySafeCritical] // auto-generated
get
{
if (m_name == null)
m_name = new Utf8String(m_utf8name).ToString();
return m_name;
}
}
public override Type DeclaringType
{
get
{
return m_declaringType;
}
}
public override Type ReflectedType
{
get
{
return ReflectedTypeInternal;
}
}
private RuntimeType ReflectedTypeInternal
{
get
{
return m_reflectedTypeCache.GetRuntimeType();
}
}
public override int MetadataToken { get { return m_token; } }
public override Module Module { get { return GetRuntimeModule(); } }
internal RuntimeModule GetRuntimeModule() { return m_declaringType.GetRuntimeModule(); }
#endregion
#region PropertyInfo Overrides
#region Non Dynamic
public override Type[] GetRequiredCustomModifiers()
{
return Signature.GetCustomModifiers(0, true);
}
public override Type[] GetOptionalCustomModifiers()
{
return Signature.GetCustomModifiers(0, false);
}
[System.Security.SecuritySafeCritical] // auto-generated
internal object GetConstantValue(bool raw)
{
Object defaultValue = MdConstant.GetValue(GetRuntimeModule().MetadataImport, m_token, PropertyType.GetTypeHandleInternal(), raw);
if (defaultValue == DBNull.Value)
// Arg_EnumLitValueNotFound -> "Literal value was not found."
throw new InvalidOperationException(Environment.GetResourceString("Arg_EnumLitValueNotFound"));
return defaultValue;
}
public override object GetConstantValue() { return GetConstantValue(false); }
public override object GetRawConstantValue() { return GetConstantValue(true); }
public override MethodInfo[] GetAccessors(bool nonPublic)
{
List<MethodInfo> accessorList = new List<MethodInfo>();
if (Associates.IncludeAccessor(m_getterMethod, nonPublic))
accessorList.Add(m_getterMethod);
if (Associates.IncludeAccessor(m_setterMethod, nonPublic))
accessorList.Add(m_setterMethod);
if ((object)m_otherMethod != null)
{
for(int i = 0; i < m_otherMethod.Length; i ++)
{
if (Associates.IncludeAccessor(m_otherMethod[i] as MethodInfo, nonPublic))
accessorList.Add(m_otherMethod[i]);
}
}
return accessorList.ToArray();
}
public override Type PropertyType
{
get { return Signature.ReturnType; }
}
public override MethodInfo GetGetMethod(bool nonPublic)
{
if (!Associates.IncludeAccessor(m_getterMethod, nonPublic))
return null;
return m_getterMethod;
}
public override MethodInfo GetSetMethod(bool nonPublic)
{
if (!Associates.IncludeAccessor(m_setterMethod, nonPublic))
return null;
return m_setterMethod;
}
public override ParameterInfo[] GetIndexParameters()
{
ParameterInfo[] indexParams = GetIndexParametersNoCopy();
int numParams = indexParams.Length;
if (numParams == 0)
return indexParams;
ParameterInfo[] ret = new ParameterInfo[numParams];
Array.Copy(indexParams, ret, numParams);
return ret;
}
internal ParameterInfo[] GetIndexParametersNoCopy()
{
// @History - Logic ported from RTM
// No need to lock because we don't guarantee the uniqueness of ParameterInfo objects
if (m_parameters == null)
{
int numParams = 0;
ParameterInfo[] methParams = null;
// First try to get the Get method.
MethodInfo m = GetGetMethod(true);
if (m != null)
{
// There is a Get method so use it.
methParams = m.GetParametersNoCopy();
numParams = methParams.Length;
}
else
{
// If there is no Get method then use the Set method.
m = GetSetMethod(true);
if (m != null)
{
methParams = m.GetParametersNoCopy();
numParams = methParams.Length - 1;
}
}
// Now copy over the parameter info's and change their
// owning member info to the current property info.
ParameterInfo[] propParams = new ParameterInfo[numParams];
for (int i = 0; i < numParams; i++)
propParams[i] = new RuntimeParameterInfo((RuntimeParameterInfo)methParams[i], this);
m_parameters = propParams;
}
return m_parameters;
}
public override PropertyAttributes Attributes
{
get
{
return m_flags;
}
}
public override bool CanRead
{
get
{
return m_getterMethod != null;
}
}
public override bool CanWrite
{
get
{
return m_setterMethod != null;
}
}
#endregion
#region Dynamic
[DebuggerStepThroughAttribute]
[Diagnostics.DebuggerHidden]
public override Object GetValue(Object obj,Object[] index)
{
return GetValue(obj, BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Static,
null, index, null);
}
[DebuggerStepThroughAttribute]
[Diagnostics.DebuggerHidden]
public override Object GetValue(Object obj, BindingFlags invokeAttr, Binder binder, Object[] index, CultureInfo culture)
{
MethodInfo m = GetGetMethod(true);
if (m == null)
throw new ArgumentException(System.Environment.GetResourceString("Arg_GetMethNotFnd"));
return m.Invoke(obj, invokeAttr, binder, index, null);
}
[DebuggerStepThroughAttribute]
[Diagnostics.DebuggerHidden]
public override void SetValue(Object obj, Object value, Object[] index)
{
SetValue(obj,
value,
BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Static,
null,
index,
null);
}
[DebuggerStepThroughAttribute]
[Diagnostics.DebuggerHidden]
public override void SetValue(Object obj, Object value, BindingFlags invokeAttr, Binder binder, Object[] index, CultureInfo culture)
{
MethodInfo m = GetSetMethod(true);
if (m == null)
throw new ArgumentException(System.Environment.GetResourceString("Arg_SetMethNotFnd"));
Object[] args = null;
if (index != null)
{
args = new Object[index.Length + 1];
for(int i=0;i<index.Length;i++)
args[i] = index[i];
args[index.Length] = value;
}
else
{
args = new Object[1];
args[0] = value;
}
m.Invoke(obj, invokeAttr, binder, args, culture);
}
#endregion
#endregion
#region ISerializable Implementation
[System.Security.SecurityCritical] // auto-generated
public void GetObjectData(SerializationInfo info, StreamingContext context)
{
if (info == null)
throw new ArgumentNullException("info");
Contract.EndContractBlock();
MemberInfoSerializationHolder.GetSerializationInfo(
info,
Name,
ReflectedTypeInternal,
ToString(),
SerializationToString(),
MemberTypes.Property,
null);
}
internal string SerializationToString()
{
return FormatNameAndSig(true);
}
#endregion
}
}
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