/// <summary>
/// Creates a wrapper for a generic method parameter.
/// </summary>
/// <param name="policy">The reflection policy.</param>
/// <param name="handle">The underlying reflection object.</param>
/// <param name="declaringMethod">The declaring method, which must be a generic method definition.</param>
/// <exception cref="ArgumentNullException">Thrown if <paramref name="policy"/>, <paramref name="handle"/>
/// or <paramref name="declaringMethod"/> is null.</exception>
public static StaticGenericParameterWrapper CreateGenericMethodParameter(StaticReflectionPolicy policy, object handle,
StaticMethodWrapper declaringMethod)
{
if (declaringMethod == null)
{
throw new ArgumentNullException("declaringMethod");
}
return(new StaticGenericParameterWrapper(policy, handle, declaringMethod.DeclaringType, declaringMethod));
}
private StaticGenericParameterWrapper MakeGenericParameter(GenericParameter parameterHandle)
{
TypeReference typeHandle = parameterHandle.Owner as TypeReference;
if (typeHandle != null)
{
StaticDeclaredTypeWrapper declaringType = MakeDeclaredType(typeHandle);
return(StaticGenericParameterWrapper.CreateGenericTypeParameter(this, parameterHandle, declaringType));
}
else
{
MethodReference methodHandle = (MethodReference)parameterHandle.Owner;
StaticMethodWrapper declaringMethod = WrapMethod(methodHandle);
return(StaticGenericParameterWrapper.CreateGenericMethodParameter(this, parameterHandle, declaringMethod));
}
}
private StaticMethodWrapper WrapMethod(MethodReference methodRefHandle)
{
var declaringType = MakeDeclaredType(methodRefHandle.DeclaringType);
var declaringTypeDefnHandle = (TypeDefinition)declaringType.Handle;
var methodDefnHandle = FindMatchingMethod(methodRefHandle.GetElementMethod(), declaringTypeDefnHandle.Methods);
var method = new StaticMethodWrapper(this, methodDefnHandle, declaringType, declaringType, declaringType.Substitution);
var genericInstance = methodRefHandle as GenericInstanceMethod;
if (genericInstance != null)
{
var genericArguments = CollectionUtils.ConvertAllToArray <TypeReference, ITypeInfo>(genericInstance.GenericArguments, MakeType);
method = method.MakeGenericMethod(genericArguments);
}
return(method);
}
/// <summary>
/// Gets the events that this one overrides or hides.
/// Only includes overrides that appear on class types, not interfaces.
/// </summary>
/// <param name="overridesOnly">If true, only returns overrides.</param>
public IEnumerable <StaticEventWrapper> GetOverridenOrHiddenEvents(bool overridesOnly)
{
StaticMethodWrapper discriminator = GetDiscriminatorMethod(this);
if (overridesOnly && !discriminator.IsOverride)
{
yield break;
}
string eventName = Name;
foreach (StaticDeclaredTypeWrapper baseType in DeclaringType.GetAllBaseTypes())
{
foreach (StaticEventWrapper other in ReflectionPolicy.GetTypeEvents(baseType, ReflectedType))
{
if (eventName == other.Name)
{
if (overridesOnly)
{
StaticMethodWrapper otherDiscriminator = GetDiscriminatorMethod(other);
if (otherDiscriminator == null)
{
yield break;
}
if (discriminator.HidesMethod(otherDiscriminator))
{
yield return(other);
if (!otherDiscriminator.IsOverride)
{
yield break;
}
break;
}
}
else
{
yield return(other);
}
}
}
}
}
/// <summary>
/// Returns true if this method hides the specified method.
/// </summary>
/// <remarks>
/// <para>
/// This method assumes that <paramref name="other"/> is defined by
/// a base type of this method's declaring type. It determines whether
/// method hiding has taken place based on the method's name and its signature
/// (when IsHideBySig is true).
/// </para>
/// </remarks>
/// <param name="other">The other method.</param>
/// <returns>True if this method hides the other method.</returns>
public bool HidesMethod(StaticMethodWrapper other)
{
if (Name != other.Name)
{
return(false);
}
if (!IsHideBySig)
{
return(true);
}
if (GenericArguments.Count != other.GenericArguments.Count)
{
return(false);
}
if (IsGenericMethod)
{
IList <StaticGenericParameterWrapper> genericParameters = GenericParameters;
IList <StaticGenericParameterWrapper> otherGenericParameters = other.GenericParameters;
if (genericParameters.Count != otherGenericParameters.Count)
{
return(false);
}
// Note: We perform a substitution on the method parameters to ensure that the
// same generic parameter references are used for both. Any generic method
// parameter references that appear in the signature should thus be directly comparable.
return(CompareSignatures(GenericMethodDefinition,
other.GenericMethodDefinition.MakeGenericMethod(
new CovariantList <StaticGenericParameterWrapper, ITypeInfo>(genericParameters))));
}
if (other.IsGenericMethod)
{
return(false);
}
return(CompareSignatures(this, other));
}
protected internal override StaticParameterWrapper GetMethodReturnParameter(StaticMethodWrapper method)
{
var methodHandle = (MethodDefinition)method.Handle;
return(new StaticParameterWrapper(this, methodHandle.MethodReturnType, method));
}
private StaticGenericParameterWrapper(StaticReflectionPolicy policy, object handle,
StaticDeclaredTypeWrapper declaringType, StaticMethodWrapper declaringMethod)
: base(policy, handle, declaringType)
{
this.declaringMethod = declaringMethod;
}
/// <summary> /// Gets the return parameter of a method. /// </summary> /// <param name="method">The method, not null.</param> /// <returns>The return parameter.</returns> protected internal abstract StaticParameterWrapper GetMethodReturnParameter(StaticMethodWrapper method);
/// <summary> /// Gets the generic parameters of a method. /// </summary> /// <param name="method">The method, not null.</param> /// <returns>The generic parameters.</returns> protected internal abstract IList <StaticGenericParameterWrapper> GetMethodGenericParameters(StaticMethodWrapper method);
protected internal override IList<StaticGenericParameterWrapper> GetMethodGenericParameters(StaticMethodWrapper method)
{
MethodDefinition methodHandle = (MethodDefinition)method.Handle;
return CollectionUtils.ConvertAllToArray<GenericParameter, StaticGenericParameterWrapper>(methodHandle.GenericParameters, delegate(GenericParameter parameterHandle)
{
return StaticGenericParameterWrapper.CreateGenericMethodParameter(this, parameterHandle, method);
});
}
private StaticGenericParameterWrapper(StaticReflectionPolicy policy, object handle,
StaticDeclaredTypeWrapper declaringType, StaticMethodWrapper declaringMethod)
: base(policy, handle, declaringType)
{
this.declaringMethod = declaringMethod;
}
/// <summary> /// Gets the generic parameters of a method. /// </summary> /// <param name="method">The method, not null.</param> /// <returns>The generic parameters.</returns> protected internal abstract IList<StaticGenericParameterWrapper> GetMethodGenericParameters(StaticMethodWrapper method);
protected override IList<StaticGenericParameterWrapper> GetMethodGenericParameters(StaticMethodWrapper method)
{
IFunction methodHandle = (IFunction)method.Handle;
if (!methodHandle.IsValid())
return EmptyArray<StaticGenericParameterWrapper>.Instance;
ITypeParameter[] parameterHandles = methodHandle.GetSignature(methodHandle.IdSubstitution).GetTypeParameters();
return Array.ConvertAll<ITypeParameter, StaticGenericParameterWrapper>(parameterHandles, delegate(ITypeParameter parameter)
{
return StaticGenericParameterWrapper.CreateGenericMethodParameter(this, parameter, method);
});
}
protected override IList<StaticGenericParameterWrapper> GetMethodGenericParameters(StaticMethodWrapper method)
{
IFunction methodHandle = (IFunction)method.Handle;
if (!methodHandle.IsValid())
return Common.Collections.EmptyArray<StaticGenericParameterWrapper>.Instance;
#if RESHARPER_60_OR_NEWER
var typeParameters = methodHandle.GetSignature(methodHandle.IdSubstitution).TypeParameters;
var parameterHandles = new ITypeParameter[typeParameters.Count];
for (var i = 0; i < parameterHandles.Length; i++)
{
parameterHandles[i] = typeParameters[i];
}
#else
ITypeParameter[] parameterHandles = methodHandle.GetSignature(methodHandle.IdSubstitution).GetTypeParameters();
#endif
return Array.ConvertAll(parameterHandles, parameter =>
StaticGenericParameterWrapper.CreateGenericMethodParameter(this, parameter, method));
}
/// <summary>
/// Returns true if this method hides the specified method.
/// </summary>
/// <remarks>
/// <para>
/// This method assumes that <paramref name="other"/> is defined by
/// a base type of this method's declaring type. It determines whether
/// method hiding has taken place based on the method's name and its signature
/// (when IsHideBySig is true).
/// </para>
/// </remarks>
/// <param name="other">The other method.</param>
/// <returns>True if this method hides the other method.</returns>
public bool HidesMethod(StaticMethodWrapper other)
{
if (Name != other.Name)
return false;
if (! IsHideBySig)
return true;
if (GenericArguments.Count != other.GenericArguments.Count)
return false;
if (IsGenericMethod)
{
IList<StaticGenericParameterWrapper> genericParameters = GenericParameters;
IList<StaticGenericParameterWrapper> otherGenericParameters = other.GenericParameters;
if (genericParameters.Count != otherGenericParameters.Count)
return false;
// Note: We perform a substitution on the method parameters to ensure that the
// same generic parameter references are used for both. Any generic method
// parameter references that appear in the signature should thus be directly comparable.
return CompareSignatures(GenericMethodDefinition,
other.GenericMethodDefinition.MakeGenericMethod(
new CovariantList<StaticGenericParameterWrapper, ITypeInfo>(genericParameters)));
}
if (other.IsGenericMethod)
return false;
return CompareSignatures(this, other);
}
private StaticMethodWrapper WrapMethod(MethodReference methodRefHandle)
{
var declaringType = MakeDeclaredType(methodRefHandle.DeclaringType);
var declaringTypeDefnHandle = (TypeDefinition)declaringType.Handle;
var methodDefnHandle = FindMatchingMethod(methodRefHandle.GetElementMethod(), declaringTypeDefnHandle.Methods);
var method = new StaticMethodWrapper(this, methodDefnHandle, declaringType, declaringType, declaringType.Substitution);
var genericInstance = methodRefHandle as GenericInstanceMethod;
if (genericInstance != null)
{
var genericArguments = CollectionUtils.ConvertAllToArray<TypeReference, ITypeInfo>(genericInstance.GenericArguments, MakeType);
method = method.MakeGenericMethod(genericArguments);
}
return method;
}
protected internal override StaticParameterWrapper GetMethodReturnParameter(StaticMethodWrapper method)
{
var methodHandle = (MethodDefinition)method.Handle;
return new StaticParameterWrapper(this, methodHandle.MethodReturnType, method);
}
protected override StaticParameterWrapper GetMethodReturnParameter(StaticMethodWrapper method)
{
IFunction methodHandle = (IFunction)method.Handle;
if (!methodHandle.IsValid())
return null;
// TODO: This won't provide access to any parameter attributes. How should we retrieve them?
IType type = methodHandle.ReturnType;
#if RESHARPER_31 || RESHARPER_40 || RESHARPER_41
if (type == null || ! type.IsValid)
#else
if (type == null || ! type.IsValid())
#endif
return null;
#if RESHARPER_31 || RESHARPER_40 || RESHARPER_41
var parameter = new Parameter(methodHandle, type, null);
#else
var parameter = new Parameter(methodHandle, 0, type, null);
#endif
return new StaticParameterWrapper(this, parameter, method);
}
protected internal override IList <StaticGenericParameterWrapper> GetMethodGenericParameters(StaticMethodWrapper method)
{
MethodDefinition methodHandle = (MethodDefinition)method.Handle;
return(CollectionUtils.ConvertAllToArray <GenericParameter, StaticGenericParameterWrapper>(methodHandle.GenericParameters, delegate(GenericParameter parameterHandle)
{
return StaticGenericParameterWrapper.CreateGenericMethodParameter(this, parameterHandle, method);
}));
}
/// <summary> /// Gets the return parameter of a method. /// </summary> /// <param name="method">The method, not null.</param> /// <returns>The return parameter.</returns> protected internal abstract StaticParameterWrapper GetMethodReturnParameter(StaticMethodWrapper method);
/// <summary>
/// Creates a wrapper for a generic method parameter.
/// </summary>
/// <param name="policy">The reflection policy.</param>
/// <param name="handle">The underlying reflection object.</param>
/// <param name="declaringMethod">The declaring method, which must be a generic method definition.</param>
/// <exception cref="ArgumentNullException">Thrown if <paramref name="policy"/>, <paramref name="handle"/>
/// or <paramref name="declaringMethod"/> is null.</exception>
public static StaticGenericParameterWrapper CreateGenericMethodParameter(StaticReflectionPolicy policy, object handle,
StaticMethodWrapper declaringMethod)
{
if (declaringMethod == null)
throw new ArgumentNullException("declaringMethod");
return new StaticGenericParameterWrapper(policy, handle, declaringMethod.DeclaringType, declaringMethod);
}
