public override void Visit(IModifiedTypeReference modifiedTypeReference)
{
if (Process(modifiedTypeReference))
{
visitor.Visit(modifiedTypeReference);
}
base.Visit(modifiedTypeReference);
}
private static void VisitTypeReference(ITypeReference typeReference, EmitContext context)
{
Debug.Assert(typeReference != null);
IArrayTypeReference arrayType = typeReference as IArrayTypeReference;
if (arrayType != null)
{
VisitTypeReference(arrayType.GetElementType(context), context);
return;
}
IPointerTypeReference pointerType = typeReference as IPointerTypeReference;
if (pointerType != null)
{
VisitTypeReference(pointerType.GetTargetType(context), context);
return;
}
//IManagedPointerTypeReference managedPointerType = typeReference as IManagedPointerTypeReference;
//if (managedPointerType != null)
//{
// VisitTypeReference(managedPointerType.GetTargetType(this.context));
// return;
//}
IModifiedTypeReference modifiedType = typeReference as IModifiedTypeReference;
if (modifiedType != null)
{
foreach (var custModifier in modifiedType.CustomModifiers)
{
VisitTypeReference(custModifier.GetModifier(context), context);
}
VisitTypeReference(modifiedType.UnmodifiedType, context);
return;
}
// Visit containing type
INestedTypeReference nestedType = typeReference.AsNestedTypeReference;
if (nestedType != null)
{
VisitTypeReference(nestedType.GetContainingType(context), context);
}
// Visit generic arguments
IGenericTypeInstanceReference genericInstance = typeReference.AsGenericTypeInstanceReference;
if (genericInstance != null)
{
foreach (var arg in genericInstance.GetGenericArguments(context))
{
VisitTypeReference(arg, context);
}
}
}
public static INamedTypeReference CanonicalizeTypeReference(ITypeReference type)
{
while (type != null)
{
IModifiedTypeReference modifiedType = type as IModifiedTypeReference;
IPointerTypeReference ptrType = type as IPointerTypeReference;
IManagedPointerType refType = type as IManagedPointerType;
IArrayTypeReference arrType = type as IArrayTypeReference;
IGenericTypeInstanceReference genType = type as IGenericTypeInstanceReference;
ISpecializedNestedTypeReference nestedType = type as ISpecializedNestedTypeReference;
// TODO: Why doesn't ISpecializedNestedTypeDefinition derive from ISpecializedNestedTypeReference?
ISpecializedNestedTypeDefinition nestedTypeDef = type as ISpecializedNestedTypeDefinition;
if (modifiedType != null)
{
type = modifiedType.UnmodifiedType;
}
else if (ptrType != null)
{
type = ptrType.TargetType;
}
else if (refType != null)
{
type = refType.TargetType;
}
else if (arrType != null)
{
type = arrType.ElementType;
}
else if (genType != null)
{
type = genType.GenericType;
}
else if (nestedType != null)
{
type = nestedType.UnspecializedVersion;
}
else if (nestedTypeDef != null)
{
type = nestedTypeDef.UnspecializedVersion;
}
else /* ITypeDefinition */
{
break;
}
}
return(type as INamedTypeReference);
}
public static ITypeReference UnWrap(this ITypeReference reference)
{
IPointerTypeReference pointer = reference as IPointerTypeReference;
if (pointer != null)
{
return(pointer.TargetType.UnWrap());
}
IArrayTypeReference array = reference as IArrayTypeReference;
if (array != null)
{
return(array.ElementType.UnWrap());
}
IModifiedTypeReference modified = reference as IModifiedTypeReference;
if (modified != null)
{
return(modified.UnmodifiedType.UnWrap());
}
ISpecializedNestedTypeReference specialized = reference as ISpecializedNestedTypeReference;
if (specialized != null)
{
return(specialized.UnspecializedVersion.UnWrap());
}
IGenericTypeInstanceReference instantiation = reference as IGenericTypeInstanceReference;
if (instantiation != null)
{
return(instantiation.GenericType.UnWrap());
}
Contract.Assert(reference is INamedTypeReference ||
reference is INestedTypeReference ||
reference is INamespaceTypeReference ||
reference is IGenericTypeParameterReference ||
reference is IGenericMethodParameterReference ||
reference is IFunctionPointerTypeReference ||
reference is IManagedPointerType,
string.Format("Unexpected type reference that we may need to unwrap {0}", (reference != null ? reference.GetType().FullName : "null")));
return(reference);
}
public static ITypeReference UnWrap(this ITypeReference reference)
{
IPointerTypeReference pointer = reference as IPointerTypeReference;
if (pointer != null)
{
return(pointer.TargetType.UnWrap());
}
IArrayTypeReference array = reference as IArrayTypeReference;
if (array != null)
{
return(array.ElementType.UnWrap());
}
IModifiedTypeReference modified = reference as IModifiedTypeReference;
if (modified != null)
{
return(modified.UnmodifiedType.UnWrap());
}
ISpecializedNestedTypeReference specialized = reference as ISpecializedNestedTypeReference;
if (specialized != null)
{
return(specialized.UnspecializedVersion.UnWrap());
}
IGenericTypeInstanceReference instantiation = reference as IGenericTypeInstanceReference;
if (instantiation != null)
{
return(instantiation.GenericType.UnWrap());
}
Contract.Assert(reference is INamedTypeReference ||
reference is INestedTypeReference ||
reference is INamespaceTypeReference ||
reference is IGenericTypeParameterReference ||
reference is IGenericMethodParameterReference ||
reference is IFunctionPointerTypeReference,
string.Format(CultureInfo.CurrentCulture, LocalizedStrings.UnexpectedTypeReference, (reference?.GetType()?.FullName ?? "null")));
return(reference);
}
/// <summary>
/// Returns true if the field signature has the System.Runtime.CompilerServices.IsVolatile modifier.
/// Such fields should only be accessed with volatile reads and writes.
/// </summary>
/// <param name="field">The field to inspect for the System.Runtime.CompilerServices.IsVolatile modifier.</param>
public static bool IsVolatile(IFieldDefinition field)
{
IModifiedTypeReference /*?*/ modifiedTypeReference = field.Type as IModifiedTypeReference;
if (modifiedTypeReference == null)
{
return(false);
}
uint isVolatileKey = modifiedTypeReference.PlatformType.SystemRuntimeCompilerServicesIsVolatile.InternedKey;
foreach (ICustomModifier customModifier in modifiedTypeReference.CustomModifiers)
{
if (customModifier.Modifier.InternedKey == isVolatileKey)
{
return(true);
}
}
return(false);
}
/// <summary>
/// Traverses the modified type reference.
/// </summary>
public void Traverse(IModifiedTypeReference modifiedTypeReference)
{
Contract.Requires(modifiedTypeReference != null);
if (!this.objectsThatHaveAlreadyBeenTraversed.Add(modifiedTypeReference)) return;
if (this.preorderVisitor != null) this.preorderVisitor.Visit(modifiedTypeReference);
if (this.stopTraversal) return;
this.TraverseChildren(modifiedTypeReference);
if (this.stopTraversal) return;
if (this.postorderVisitor != null) this.postorderVisitor.Visit(modifiedTypeReference);
}
/// <summary>
/// Performs some computation with the given modified type reference.
/// </summary>
public virtual void Visit(IModifiedTypeReference modifiedTypeReference)
{
}
public virtual void Visit(IModifiedTypeReference modifiedTypeReference)
{
this.Visit(modifiedTypeReference.CustomModifiers);
this.Visit(modifiedTypeReference.UnmodifiedType);
}
public override void Visit(IModifiedTypeReference modifiedTypeReference) {
modifiedTypeReference.UnmodifiedType.ResolvedType.Dispatch(this);
this.Visit(modifiedTypeReference.CustomModifiers);
}
public override void Visit(IModifiedTypeReference modifiedTypeReference)
{
//Sytem.Reflection cannot model modified typeBuilder references. Just strip the modifiers.
modifiedTypeReference.UnmodifiedType.Dispatch(this);
}
public override void Visit(IModifiedTypeReference modifiedTypeReference) {
//Sytem.Reflection cannot model modified typeBuilder references. Just strip the modifiers.
modifiedTypeReference.UnmodifiedType.Dispatch(this);
}
public override void TraverseChildren(IModifiedTypeReference modifiedTypeReference)
{
MethodEnter(modifiedTypeReference);
base.TraverseChildren(modifiedTypeReference);
MethodExit();
}
public override void TraverseChildren(IModifiedTypeReference modifiedTypeReference) {
base.TraverseChildren(modifiedTypeReference);
}
public virtual void Visit(IModifiedTypeReference modifiedTypeReference)
{
this.Visit(modifiedTypeReference.CustomModifiers);
this.Visit(modifiedTypeReference.UnmodifiedType);
}
//^ ensures this.path.Count == old(this.path.Count);
/// <summary>
/// Performs some computation with the given modified type reference.
/// </summary>
/// <param name="modifiedTypeReference"></param>
public virtual void Visit(IModifiedTypeReference modifiedTypeReference)
{
if (this.stopTraversal) return;
//^ int oldCount = this.path.Count;
this.path.Push(modifiedTypeReference);
this.Visit(modifiedTypeReference.CustomModifiers);
this.Visit(modifiedTypeReference.UnmodifiedType);
//^ assume this.path.Count == oldCount+1; //True because all of the virtual methods of this class promise not decrease this.path.Count.
this.path.Pop();
}
/// <summary>
/// Traverses the children of the modified type reference.
/// </summary>
public virtual void TraverseChildren(IModifiedTypeReference modifiedTypeReference)
{
Contract.Requires(modifiedTypeReference != null);
this.TraverseChildren((ITypeReference)modifiedTypeReference);
if (this.stopTraversal) return;
this.Traverse(modifiedTypeReference.CustomModifiers);
if (this.stopTraversal) return;
this.Traverse(modifiedTypeReference.UnmodifiedType);
}
public override void Visit(IModifiedTypeReference modifiedTypeReference)
{
if(Process(modifiedTypeReference)){visitor.Visit(modifiedTypeReference);}
base.Visit(modifiedTypeReference);
}
/// <summary>
/// Rewrites the given modified type reference.
/// </summary>
public virtual IModifiedTypeReference Rewrite(IModifiedTypeReference modifiedTypeReference)
{
return modifiedTypeReference;
}
public override string GetTypeName(ITypeReference type, NameFormattingOptions formattingOptions)
{
Contract.Requires(type != null);
Contract.Ensures(Contract.Result <string>() != null);
if (type is Dummy)
{
return("Microsoft.Cci.DummyTypeReference");
}
if ((formattingOptions & NameFormattingOptions.UseTypeKeywords) != 0)
{
switch (type.TypeCode)
{
case PrimitiveTypeCode.Boolean: return("Boolean");
case PrimitiveTypeCode.Char: return("Char");
case PrimitiveTypeCode.Float32: return("Float");
case PrimitiveTypeCode.Float64: return("Double");
case PrimitiveTypeCode.Int16: return("Short");
case PrimitiveTypeCode.Int32: return("Integer");
case PrimitiveTypeCode.Int64: return("Long");
case PrimitiveTypeCode.Int8: return("SByte");
case PrimitiveTypeCode.String: return("String");
case PrimitiveTypeCode.UInt16: return("UShort");
case PrimitiveTypeCode.UInt32: return("UInteger");
case PrimitiveTypeCode.UInt64: return("ULong");
case PrimitiveTypeCode.UInt8: return("Byte");
case PrimitiveTypeCode.Void: { Contract.Assert(false); throw new InvalidOperationException(); }
case PrimitiveTypeCode.NotPrimitive:
if (TypeHelper.TypesAreEquivalent(type, type.PlatformType.SystemDecimal))
{
return("Decimal");
}
if (TypeHelper.TypesAreEquivalent(type, type.PlatformType.SystemObject))
{
return("Object");
}
break;
}
}
IArrayTypeReference /*?*/ arrayType = type as IArrayTypeReference;
if (arrayType != null)
{
return(this.GetArrayTypeName(arrayType, formattingOptions));
}
IFunctionPointerTypeReference /*?*/ functionPointerType = type as IFunctionPointerTypeReference;
if (functionPointerType != null)
{
return(this.GetFunctionPointerTypeName(functionPointerType, formattingOptions));
}
IGenericTypeParameterReference /*?*/ genericTypeParam = type as IGenericTypeParameterReference;
if (genericTypeParam != null)
{
return(this.GetGenericTypeParameterName(genericTypeParam, formattingOptions));
}
IGenericMethodParameterReference /*?*/ genericMethodParam = type as IGenericMethodParameterReference;
if (genericMethodParam != null)
{
return(this.GetGenericMethodParameterName(genericMethodParam, formattingOptions));
}
IGenericTypeInstanceReference /*?*/ genericInstance = type as IGenericTypeInstanceReference;
if (genericInstance != null)
{
return(this.GetGenericTypeInstanceName(genericInstance, formattingOptions));
}
INestedTypeReference /*?*/ ntTypeDef = type as INestedTypeReference;
if (ntTypeDef != null)
{
return(this.GetNestedTypeName(ntTypeDef, formattingOptions));
}
INamespaceTypeReference /*?*/ nsTypeDef = type as INamespaceTypeReference;
if (nsTypeDef != null)
{
return(this.GetNamespaceTypeName(nsTypeDef, formattingOptions));
}
IPointerTypeReference /*?*/ pointerType = type as IPointerTypeReference;
if (pointerType != null)
{
return(this.GetPointerTypeName(pointerType, formattingOptions));
}
IManagedPointerTypeReference /*?*/ managedPointerType = type as IManagedPointerTypeReference;
if (managedPointerType != null)
{
return(this.GetManagedPointerTypeName(managedPointerType, formattingOptions));
}
IModifiedTypeReference /*?*/ modifiedType = type as IModifiedTypeReference;
if (modifiedType != null)
{
return(this.GetModifiedTypeName(modifiedType, formattingOptions));
}
if (type.ResolvedType != type && !(type.ResolvedType is Dummy))
{
return(this.GetTypeName(type.ResolvedType, formattingOptions));
}
return("unknown type: " + type.GetType().ToString());
}
public override void Visit(IModifiedTypeReference modifiedTypeReference)
{
allElements.Add(new InvokInfo(Traverser, "IModifiedTypeReference", modifiedTypeReference));
}
public void Visit(IModifiedTypeReference modifiedTypeReference)
{
this.traverser.Traverse(modifiedTypeReference);
}
/// <summary>
/// Performs some computation with the given modified type reference.
/// </summary>
public virtual void Visit(IModifiedTypeReference modifiedTypeReference)
{
}
/// <summary>
/// Performs some computation with the given modified type reference.
/// </summary>
public void Visit(IModifiedTypeReference modifiedTypeReference)
{
this.Visit((ITypeReference)modifiedTypeReference);
}
public virtual void onMetadataElement(IModifiedTypeReference modifiedTypeReference)
{
}
/// <summary>
/// Use this routine, rather than ITypeReference.Dispatch, to call the appropriate derived overload of an ITypeReference.
/// The former routine will call Visit(INamespaceTypeDefinition) rather than Visit(INamespaceTypeReference), etc.,
/// in the case where a definition is used as a reference to itself.
/// </summary>
/// <param name="typeReference">A reference to a type definition. Note that a type definition can serve as a reference to itself.</param>
protected void DispatchAsReference(ITypeReference typeReference)
{
INamespaceTypeReference namespaceTypeReference = typeReference.AsNamespaceTypeReference;
if (namespaceTypeReference != null)
{
this.Visit(namespaceTypeReference);
return;
}
IGenericTypeInstanceReference genericTypeInstanceReference = typeReference.AsGenericTypeInstanceReference;
if (genericTypeInstanceReference != null)
{
this.Visit(genericTypeInstanceReference);
return;
}
INestedTypeReference nestedTypeReference = typeReference.AsNestedTypeReference;
if (nestedTypeReference != null)
{
this.Visit(nestedTypeReference);
return;
}
IArrayTypeReference arrayTypeReference = typeReference as IArrayTypeReference;
if (arrayTypeReference != null)
{
this.Visit(arrayTypeReference);
return;
}
IGenericTypeParameterReference genericTypeParameterReference = typeReference.AsGenericTypeParameterReference;
if (genericTypeParameterReference != null)
{
this.Visit(genericTypeParameterReference);
return;
}
IGenericMethodParameterReference genericMethodParameterReference = typeReference.AsGenericMethodParameterReference;
if (genericMethodParameterReference != null)
{
this.Visit(genericMethodParameterReference);
return;
}
IPointerTypeReference pointerTypeReference = typeReference as IPointerTypeReference;
if (pointerTypeReference != null)
{
this.Visit(pointerTypeReference);
return;
}
IModifiedTypeReference modifiedTypeReference = typeReference as IModifiedTypeReference;
if (modifiedTypeReference != null)
{
this.Visit(modifiedTypeReference);
return;
}
}
public override void TraverseChildren(IModifiedTypeReference modifiedTypeReference)
{ MethodEnter(modifiedTypeReference);
base.TraverseChildren(modifiedTypeReference);
MethodExit(); }
public virtual void onMetadataElement(IModifiedTypeReference modifiedTypeReference) { }
public void Visit(IModifiedTypeReference modifiedTypeReference)
{
throw new NotImplementedException();
}
private static void WriteType(ITypeReference type, TextWriter writer, bool omitOutermostTypeFormals)
{
Contract.Requires(type != null);
Contract.Requires(writer != null);
IArrayType array = type as IArrayType;
if (array != null)
{
Contract.Assume(array.ElementType != null, "lack of CCI2 contracts");
WriteType(array.ElementType, writer);
writer.Write("[");
if (array.Rank > 1)
{
for (int i = 0; i < array.Rank; i++)
{
if (i > 0)
{
writer.Write(",");
}
writer.Write("0:");
}
}
writer.Write("]");
return;
}
IManagedPointerTypeReference reference = type as IManagedPointerTypeReference;;
if (reference != null)
{
Contract.Assume(reference.TargetType != null, "lack of CCI2 contracts");
var referencedType = reference.TargetType;
WriteType(referencedType, writer);
writer.Write("@");
return;
}
IPointerTypeReference pointer = type as IPointerTypeReference;
if (pointer != null)
{
Contract.Assume(pointer.TargetType != null, "lack of CCI2 contracts");
WriteType(pointer.TargetType, writer);
writer.Write("*");
return;
}
IModifiedTypeReference modref = type as IModifiedTypeReference;
if (modref != null)
{
Contract.Assume(modref.UnmodifiedType != null, "lack of CCI2 contracts");
Contract.Assume(modref.CustomModifiers != null, "lack of CCI2 contracts");
WriteType(modref.UnmodifiedType, writer);
foreach (var modifier in modref.CustomModifiers)
{
Contract.Assume(modifier != null, "lack of collection contracts and CCI2 contracts");
Contract.Assume(modifier.Modifier != null, "lack of CCI2 contracts");
if (modifier.IsOptional)
{
writer.Write("!");
}
else
{
writer.Write("|");
}
WriteType(modifier.Modifier, writer);
}
return;
}
IGenericTypeParameterReference gtp = type as IGenericTypeParameterReference;
if (gtp != null)
{
writer.Write("`");
writer.Write(gtp.Index);
return;
}
IGenericMethodParameterReference gmp = type as IGenericMethodParameterReference;
if (gmp != null)
{
writer.Write("``");
writer.Write(gmp.Index);
return;
}
IGenericTypeInstanceReference instance = type as IGenericTypeInstanceReference;
if (instance != null)
{
Contract.Assume(instance.GenericType != null, "lack of CCI2 contracts");
Contract.Assume(instance.GenericArguments != null, "lack of CCI2 contracts");
WriteType(instance.GenericType, writer, true);
writer.Write("{");
var first = true;
foreach (var arg in instance.GenericArguments)
{
Contract.Assume(arg != null, "lack of collection and CCI2 contracts");
if (first)
{
first = false;
}
else
{
writer.Write(",");
}
WriteType(arg, writer);
}
writer.Write("}");
return;
}
// namespace or nested
INamedTypeReference named = (INamedTypeReference)type;
INestedTypeReference nested = type as INestedTypeReference;
if (nested != null)
{
Contract.Assume(nested.ContainingType != null, "lack of CCI2 contracts");
// names of nested types begin with outer type name
WriteType(nested.ContainingType, writer);
writer.Write(".");
// continue to write type sig
}
INamespaceTypeReference nt = type as INamespaceTypeReference;
if (nt != null)
{
Contract.Assume(nt.ContainingUnitNamespace != null, "lack of CCI2 contracts");
WriteNamespaceAndSeparator(nt.ContainingUnitNamespace, writer);
// continue to write type sig
}
// name
writer.Write(named.Name.Value);
// generic parameters
if (omitOutermostTypeFormals)
{
return;
}
if (named.GenericParameterCount > 0)
{
writer.Write("`{0}", named.GenericParameterCount);
}
}
/// <summary>
/// Traverses the children of the modified type reference.
/// </summary>
public virtual void TraverseChildren(IModifiedTypeReference modifiedTypeReference)
{
this.TraverseChildren((ITypeReference)modifiedTypeReference);
if (this.stopTraversal) return;
this.Traverse(modifiedTypeReference.CustomModifiers);
if (this.stopTraversal) return;
this.Traverse(modifiedTypeReference.UnmodifiedType);
}
