public static IMethodReference CanonicalizeMethodReference(IMethodReference method)
{
// function pointers don't have declaring types and they don't
// really fit our model, so we ignore them.
if (null == method.ContainingType)
{
return(null);
}
//
// first canonicalize the method...
//
IGenericMethodInstanceReference genMeth = method as IGenericMethodInstanceReference;
if ((genMeth != null))
{
method = genMeth.GenericMethod;
}
//ITypeDefinitionMember memberDef;
ISpecializedMethodReference specializedMethodRef = method as ISpecializedMethodReference;
if (specializedMethodRef != null)
{
method = specializedMethodRef.UnspecializedVersion;
}
//else
//member = member as ITypeDefinitionMember;
return(method);
}
public override void Visit(ISpecializedMethodReference specializedMethodReference)
{
if (Process(specializedMethodReference))
{
visitor.Visit(specializedMethodReference);
}
base.Visit(specializedMethodReference);
}
public override void Visit(IMethodReference methodReference)
{
IGenericMethodInstanceReference /*?*/ genericMethodInstanceReference = methodReference.AsGenericMethodInstanceReference;
if (genericMethodInstanceReference != null)
{
this.Visit(genericMethodInstanceReference);
return;
}
if (!alreadySeen.Add(methodReference))
{
return;
}
// If we have a ref to a varargs method then we always generate an entry in the MethodRef table,
// even if it is a method in the current module. (Note that we are not *required* to do so if
// in fact the number of extra arguments passed is zero; in that case we are permitted to use
// an ordinary method def token. We consistently choose to emit a method ref regardless.)
IUnitReference /*?*/ definingUnit = TypeHelper.GetDefiningUnitReference(methodReference.GetContainingType(Context), Context);
if (definingUnit != null && ReferenceEquals(definingUnit, this.module) && !methodReference.AcceptsExtraArguments)
{
return;
}
this.Visit((ITypeMemberReference)methodReference);
ISpecializedMethodReference /*?*/ specializedMethodReference = methodReference.AsSpecializedMethodReference;
if (specializedMethodReference != null)
{
IMethodReference unspecializedMethodReference = specializedMethodReference.UnspecializedVersion;
this.Visit(unspecializedMethodReference.GetType(Context));
this.Visit(unspecializedMethodReference.GetParameters(Context));
if (unspecializedMethodReference.ReturnValueIsModified)
{
this.Visit(unspecializedMethodReference.ReturnValueCustomModifiers);
}
}
else
{
this.Visit(methodReference.GetType(Context));
this.Visit(methodReference.GetParameters(Context));
if (methodReference.ReturnValueIsModified)
{
this.Visit(methodReference.ReturnValueCustomModifiers);
}
}
if (methodReference.AcceptsExtraArguments)
{
this.Visit(methodReference.ExtraParameters);
}
ReserveMethodToken(methodReference);
}
private static void VisitMethodReference(IMethodReference methodReference, EmitContext context)
{
Debug.Assert(methodReference != null);
// Visit containing type
VisitTypeReference(methodReference.GetContainingType(context), context);
// Visit generic arguments if any
IGenericMethodInstanceReference genericInstance = methodReference.AsGenericMethodInstanceReference;
if (genericInstance != null)
{
foreach (var arg in genericInstance.GetGenericArguments(context))
{
VisitTypeReference(arg, context);
}
methodReference = genericInstance.GetGenericMethod(context);
}
// Translate substituted method to original definition
ISpecializedMethodReference specializedMethod = methodReference.AsSpecializedMethodReference;
if (specializedMethod != null)
{
methodReference = specializedMethod.UnspecializedVersion;
}
// Visit parameter types
VisitParameters(methodReference.GetParameters(context), context);
if (methodReference.AcceptsExtraArguments)
{
VisitParameters(methodReference.ExtraParameters, context);
}
// Visit return value type
VisitTypeReference(methodReference.GetType(context), context);
foreach (var typeModifier in methodReference.RefCustomModifiers)
{
VisitTypeReference(typeModifier.GetModifier(context), context);
}
foreach (var typeModifier in methodReference.ReturnValueCustomModifiers)
{
VisitTypeReference(typeModifier.GetModifier(context), context);
}
}
public static T UnWrapMember <T>(this T member)
where T : ITypeMemberReference
{
IGenericMethodInstanceReference genericMethod = member as IGenericMethodInstanceReference;
if (genericMethod != null)
{
return((T)genericMethod.GenericMethod.UnWrapMember());
}
ISpecializedNestedTypeReference type = member as ISpecializedNestedTypeReference;
if (type != null)
{
return((T)type.UnspecializedVersion.UnWrapMember());
}
ISpecializedMethodReference method = member as ISpecializedMethodReference;
if (method != null)
{
return((T)method.UnspecializedVersion.UnWrapMember());
}
ISpecializedFieldReference field = member as ISpecializedFieldReference;
if (field != null)
{
return((T)field.UnspecializedVersion.UnWrapMember());
}
ISpecializedPropertyDefinition property = member as ISpecializedPropertyDefinition;
if (property != null)
{
return((T)property.UnspecializedVersion.UnWrapMember());
}
ISpecializedEventDefinition evnt = member as ISpecializedEventDefinition;
if (evnt != null)
{
return((T)evnt.UnspecializedVersion.UnWrapMember());
}
return(member);
}
/// <summary>
/// Performs some computation with the given specialized method reference.
/// </summary>
public virtual void Visit(ISpecializedMethodReference specializedMethodReference)
{
}
public void Visit(ISpecializedMethodReference specializedMethodReference)
{
throw new NotImplementedException();
}
public override void TraverseChildren(ISpecializedMethodReference specializedMethodReference)
{ MethodEnter(specializedMethodReference);
base.TraverseChildren(specializedMethodReference);
MethodExit(); }
public virtual void onMetadataElement(ISpecializedMethodReference specializedMethodReference) { }
public void Visit(ISpecializedMethodReference specializedMethodReference)
{
this.traverser.Traverse(specializedMethodReference);
}
public static ITypeMemberReference CanonicalizeMemberReference(ITypeMemberReference member)
{
if (null == member)
{
return(null);
}
if (member == null || member == Dummy.Method)
{
throw new Exception("Can't resolve member");
}
// function pointers don't have declaring types and they don't
// really fit our model, so we ignore them.
if (null == member.ContainingType)
{
return(null);
}
//
// first canonicalize the method...
//
IGenericMethodInstanceReference genMeth = member as IGenericMethodInstanceReference;
if ((genMeth != null))
{
member = genMeth.GenericMethod;
}
ISpecializedMethodReference specializedMethodRef = member as ISpecializedMethodReference;
ISpecializedFieldReference specializedFieldRef = member as ISpecializedFieldReference;
ISpecializedPropertyDefinition specializedPropertyDef = member as ISpecializedPropertyDefinition;
ISpecializedEventDefinition specializedEventDef = member as ISpecializedEventDefinition;
ISpecializedMethodDefinition specializedMethodDef = member as ISpecializedMethodDefinition;
ISpecializedFieldDefinition specializedFieldDef = member as ISpecializedFieldDefinition;
if (specializedMethodRef != null)
{
member = specializedMethodRef.UnspecializedVersion;
}
else if (specializedFieldRef != null)
{
member = specializedFieldRef.UnspecializedVersion;
}
else if (specializedPropertyDef != null)
{
member = specializedPropertyDef.UnspecializedVersion;
}
else if (specializedEventDef != null)
{
member = specializedEventDef.UnspecializedVersion;
}
else if (specializedMethodDef != null)
{
member = specializedMethodDef.UnspecializedVersion;
}
else if (specializedFieldDef != null)
{
member = specializedFieldDef.UnspecializedVersion;
}
if (member == null)
{
throw new Exception("Can't canonicalize some member.");
}
return(member);
}
/// <summary>
/// Rewrites the given specialized method reference.
/// </summary>
public virtual IMethodReference Rewrite(ISpecializedMethodReference specializedMethodReference)
{
return specializedMethodReference;
}
public override void Visit(ISpecializedMethodReference specializedMethodReference)
{
allElements.Add(new InvokInfo(Traverser, "ISpecializedMethodReference", specializedMethodReference));
}
public override void Visit(ISpecializedMethodReference specializedMethodReference)
{
if(Process(specializedMethodReference)){visitor.Visit(specializedMethodReference);}
base.Visit(specializedMethodReference);
}
/// <summary>
/// Traverses the specialized method reference.
/// </summary>
public void Traverse(ISpecializedMethodReference specializedMethodReference)
{
Contract.Requires(specializedMethodReference != null);
if (!this.objectsThatHaveAlreadyBeenTraversed.Add(specializedMethodReference)) return;
if (this.preorderVisitor != null) this.preorderVisitor.Visit(specializedMethodReference);
if (this.stopTraversal) return;
this.TraverseChildren(specializedMethodReference);
if (this.stopTraversal) return;
if (this.postorderVisitor != null) this.postorderVisitor.Visit(specializedMethodReference);
}
/// <summary>
/// Traverses the children of the specialized method reference.
/// </summary>
public virtual void TraverseChildren(ISpecializedMethodReference specializedMethodReference)
{
Contract.Requires(specializedMethodReference != null);
this.TraverseChildren((IMethodReference)specializedMethodReference);
if (this.stopTraversal) return;
this.Traverse(specializedMethodReference.UnspecializedVersion);
}
/// <summary>
/// Performs some computation with the given specialized method reference.
/// </summary>
public virtual void Visit(ISpecializedMethodReference specializedMethodReference)
{
}
/// <summary>
/// Performs some computation with the given specialized method reference.
/// </summary>
public void Visit(ISpecializedMethodReference specializedMethodReference)
{
this.Visit((IMethodReference)specializedMethodReference);
}
public virtual void onMetadataElement(ISpecializedMethodReference specializedMethodReference)
{
}
public override void TraverseChildren(ISpecializedMethodReference specializedMethodReference)
{
MethodEnter(specializedMethodReference);
base.TraverseChildren(specializedMethodReference);
MethodExit();
}
/// <summary>
/// Traverses the children of the specialized method reference.
/// </summary>
public virtual void TraverseChildren(ISpecializedMethodReference specializedMethodReference)
{
this.TraverseChildren((IMethodReference)specializedMethodReference);
if (this.stopTraversal) return;
this.Traverse(specializedMethodReference.UnspecializedVersion);
}
