private void WriteMethodDefinitionSignature(IMethodDefinition method, string name)
{
bool isOperator = method.IsConversionOperator();
if (!isOperator && !method.IsConstructor)
{
WriteAttributes(method.ReturnValueAttributes, true);
if (method.Attributes.HasIsReadOnlyAttribute() && (LangVersion >= LangVersion8_0))
{
WriteKeyword("readonly");
}
if (method.ReturnValueIsByRef)
{
WriteKeyword("ref");
if (method.ReturnValueAttributes.HasIsReadOnlyAttribute())
{
WriteKeyword("readonly");
}
}
// We are ignoring custom modifiers right now, we might need to add them later.
WriteTypeName(method.Type, method.ContainingType, method.ReturnValueAttributes);
}
if (method.IsExplicitInterfaceMethod() && _forCompilationIncludeGlobalprefix)
{
Write("global::");
}
WriteIdentifier(name);
if (isOperator)
{
WriteSpace();
WriteTypeName(method.Type, method.ContainingType);
}
Contract.Assert(!(method is IGenericMethodInstance), "Currently don't support generic method instances");
if (method.IsGeneric)
{
WriteGenericParameters(method.GenericParameters);
}
WriteParameters(method.Parameters, method.ContainingType, extensionMethod: method.IsExtensionMethod(), acceptsExtraArguments: method.AcceptsExtraArguments);
if (method.IsGeneric && !method.IsOverride() && !method.IsExplicitInterfaceMethod())
{
WriteGenericContraints(method.GenericParameters);
}
}
private void WriteMethodName(IMethodDefinition method)
{
if (method.IsConstructor || method.IsStaticConstructor)
{
INamedEntity named = method.ContainingTypeDefinition.UnWrap() as INamedEntity;
if (named != null)
{
WriteIdentifier(named.Name.Value);
return;
}
}
if (method.IsExplicitInterfaceMethod())
{
IMethodImplementation methodImplementation = method.GetMethodImplementation();
object nullableAttributeArgument = methodImplementation.GetExplicitInterfaceMethodNullableAttributeArgument(_metadataReaderCache);
if (nullableAttributeArgument != null)
{
WriteTypeName(methodImplementation.ImplementedMethod.ContainingType, noSpace: true, nullableAttributeArgument: nullableAttributeArgument);
WriteSymbol(".");
WriteIdentifier(methodImplementation.ImplementedMethod.Name);
return;
}
}
WriteIdentifier(GetNormalizedMethodName(method.Name));
}
private void WriteMethodDefinitionSignature(IMethodDefinition method, string name)
{
bool isOperator = method.IsConversionOperator();
if (!isOperator && !method.IsConstructor)
{
WriteAttributes(method.ReturnValueAttributes, true);
// We are ignoring custom modifiers right now, we might need to add them later.
WriteTypeName(method.Type, isDynamic: IsDynamic(method.ReturnValueAttributes));
}
WriteIdentifier(name);
if (isOperator)
{
WriteSpace();
WriteTypeName(method.Type);
}
Contract.Assert(!(method is IGenericMethodInstance), "Currently don't support generic method instances");
if (method.IsGeneric)
{
WriteGenericParameters(method.GenericParameters);
}
WriteParameters(method.Parameters, extensionMethod: method.IsExtensionMethod(), acceptsExtraArguments: method.AcceptsExtraArguments);
if (method.IsGeneric && !method.IsOverride() && !method.IsExplicitInterfaceMethod())
{
WriteGenericContraints(method.GenericParameters);
}
}
private void WriteMethodDefinition(IMethodDefinition method)
{
if (method.IsPropertyOrEventAccessor())
{
return;
}
if (method.IsDestructor())
{
WriteDestructor(method);
return;
}
string name = method.GetMethodName();
WriteMethodPseudoCustomAttributes(method);
WriteAttributes(method.Attributes);
WriteAttributes(method.SecurityAttributes);
if (!method.ContainingTypeDefinition.IsInterface)
{
if (!method.IsExplicitInterfaceMethod())
{
WriteVisibility(method.Visibility);
}
WriteMethodModifiers(method);
}
WriteInterfaceMethodModifiers(method);
WriteMethodDefinitionSignature(method, name);
WriteMethodBody(method);
}
private void WriteMethodDefinitionSignature(IMethodDefinition method, string name)
{
bool isOperator = method.IsConversionOperator();
if (!isOperator && !method.IsConstructor)
{
WriteAttributes(method.ReturnValueAttributes, true);
// We are ignoring custom modifiers right now, we might need to add them later.
WriteTypeName(method.Type, isDynamic: IsDynamic(method.ReturnValueAttributes));
}
WriteIdentifier(name);
if (isOperator)
{
WriteSpace();
WriteTypeName(method.Type);
}
Contract.Assert(!(method is IGenericMethodInstance), "Currently don't support generic method instances");
if (method.IsGeneric)
WriteGenericParameters(method.GenericParameters);
WriteParameters(method.Parameters, extensionMethod: method.IsExtensionMethod(), acceptsExtraArguments: method.AcceptsExtraArguments);
if (method.IsGeneric && !method.IsOverride() && !method.IsExplicitInterfaceMethod())
WriteGenericContraints(method.GenericParameters);
}
private void WriteMethodDefinition(IMethodDefinition method)
{
if (method.IsPropertyOrEventAccessor())
return;
if (method.IsDestructor())
{
WriteDestructor(method);
return;
}
string name = method.GetMethodName();
WriteMethodPseudoCustomAttributes(method);
WriteAttributes(method.Attributes);
WriteAttributes(method.SecurityAttributes);
if (!method.ContainingTypeDefinition.IsInterface)
{
if (!method.IsExplicitInterfaceMethod()) WriteVisibility(method.Visibility);
WriteMethodModifiers(method);
}
WriteInterfaceMethodModifiers(method);
WriteMethodDefinitionSignature(method, name);
WriteMethodBody(method);
}
public override DifferenceType Diff(IDifferences differences, MemberMapping mapping)
{
ITypeDefinitionMember implMember = mapping[0];
ITypeDefinitionMember contractMember = mapping[1];
IMethodDefinition foundMethod;
if (!(implMember == null && contractMember != null))
{
return(DifferenceType.Unknown);
}
// Nested types are handled separately.
// @TODO: Events and Properties - should we consider these too (or rely on the fact that dropping one of these will also drop their accessors.)
if (!(contractMember is IMethodDefinition || contractMember is IFieldDefinition))
{
return(DifferenceType.Unknown);
}
string incompatibeDifferenceMessage = $"Member '{contractMember.FullName()}' does not exist in the {Implementation} but it does exist in the {Contract}.";
ITypeDefinition contractType = mapping.ContainingType[0];
if (contractType != null)
{
IMethodDefinition contractMethod = contractMember as IMethodDefinition;
if (contractMethod != null)
{
// If the contract is a Explicit Interface method, we don't need to check if the method is in implementation since that will be caught by different rule.
if (contractMethod.IsExplicitInterfaceMethod())
{
return(DifferenceType.Unknown);
}
// It is valid to promote a member from a base type up so check to see if it member exits on a base type.
var lookForMethodInBaseResult = FindMatchingBase(contractType, contractMethod, out foundMethod);
if (lookForMethodInBaseResult == FindMethodResult.Found)
{
return(DifferenceType.Unknown);
}
if (lookForMethodInBaseResult == FindMethodResult.ReturnTypeChanged)
{
incompatibeDifferenceMessage += $" There does exist a member with return type '{foundMethod.GetReturnType().FullName()}' instead of '{contractMethod.GetReturnType().FullName()}'";
}
}
}
differences.AddIncompatibleDifference(this, incompatibeDifferenceMessage);
return(DifferenceType.Added);
}
private void WriteMethodDefinition(IMethodDefinition method)
{
if (method.IsPropertyOrEventAccessor())
{
return;
}
WriteMethodPseudoCustomAttributes(method);
WriteAttributes(method.Attributes);
WriteAttributes(method.SecurityAttributes);
WriteAttributes(method.ReturnValueAttributes, prefix: "return");
if (method.IsDestructor())
{
// If platformNotSupportedExceptionMessage is != null we're generating a dummy assembly which means we don't need a destructor at all.
if (_platformNotSupportedExceptionMessage == null)
{
WriteDestructor(method);
}
return;
}
var writeVisibility = true;
if (method.ContainingTypeDefinition.IsInterface)
{
writeVisibility = false;
}
if (method.IsExplicitInterfaceMethod() || method.IsStaticConstructor)
{
writeVisibility = false;
}
if (writeVisibility)
{
WriteVisibility(method.Visibility);
}
WriteMethodModifiers(method);
WriteInterfaceMethodModifiers(method);
WriteMethodDefinitionSignature(method);
WriteMethodBody(method);
}
private void WriteEventDefinition(IEventDefinition evnt)
{
// Adder and Remover modifiers should be same.
IMethodDefinition accessor = evnt.Accessors.First().ResolvedMethod;
if (!evnt.ContainingTypeDefinition.IsInterface)
{
WriteAttributes(evnt.Attributes);
if (!accessor.IsExplicitInterfaceMethod())
{
WriteVisibility(evnt.Visibility);
}
WriteMethodModifiers(accessor);
}
if (evnt.GetHiddenBaseEvent(_filter) != Dummy.Event)
{
WriteKeyword("new");
}
if (accessor.Attributes.HasIsReadOnlyAttribute() && (LangVersion >= LangVersion8_0))
{
WriteKeyword("readonly");
}
WriteKeyword("event");
WriteTypeName(evnt.Type, evnt.Attributes);
WriteIdentifier(evnt.Name);
if (_forCompilation && !evnt.IsAbstract())
{
WriteSpace();
WriteSymbol("{", addSpace: true);
WriteEventBody("add");
WriteEventBody("remove");
WriteSymbol("}");
}
else
{
WriteSymbol(";");
}
}
private void WriteMethodDefinition(IMethodDefinition method)
{
if (method.IsPropertyOrEventAccessor())
{
return;
}
WriteMethodPseudoCustomAttributes(method);
WriteAttributes(method.Attributes);
WriteAttributes(method.SecurityAttributes);
if (method.IsDestructor())
{
// If platformNotSupportedExceptionMessage is != null we're generating a dummy assembly which means we don't need a destructor at all.
if (_platformNotSupportedExceptionMessage == null)
{
WriteDestructor(method);
}
return;
}
string name = method.GetMethodName();
if (!method.ContainingTypeDefinition.IsInterface)
{
if (!method.IsExplicitInterfaceMethod())
{
WriteVisibility(method.Visibility);
}
WriteMethodModifiers(method);
}
WriteInterfaceMethodModifiers(method);
WriteMethodDefinitionSignature(method, name);
WriteMethodBody(method);
}
private void WritePropertyDefinition(IPropertyDefinition property)
{
bool isInterfaceProp = property.ContainingTypeDefinition.IsInterface;
IMethodDefinition accessor = null;
IMethodDefinition getter = null;
IMethodDefinition setter = null;
if (property.Getter != null)
{
getter = property.Getter.ResolvedMethod;
if (!_filter.Include(getter))
{
getter = null;
}
accessor = getter;
}
if (property.Setter != null)
{
setter = property.Setter.ResolvedMethod;
if (!_filter.Include(setter))
{
setter = null;
}
if (accessor == null)
{
accessor = setter;
}
}
if (accessor == null)
{
return;
}
bool isIndexer = accessor.ParameterCount > (accessor == setter ? 1 : 0);
if (isIndexer)
{
string id = property.Name.Value;
int index = id.LastIndexOf(".");
if (index >= 0)
{
id = id.Substring(index + 1);
}
if (id != "Item")
{
WriteFakeAttribute("System.Runtime.CompilerServices.IndexerName", "\"" + id + "\"");
}
}
WriteAttributes(property.Attributes);
if (!isInterfaceProp)
{
if (!accessor.IsExplicitInterfaceMethod())
{
WriteVisibility(property.Visibility);
}
// Getter and Setter modifiers should be the same
WriteMethodModifiers(accessor);
}
if (property.GetHiddenBaseProperty(_filter) != Dummy.Property)
{
WriteKeyword("new");
}
if (property.ReturnValueIsByRef)
{
WriteKeyword("ref");
}
WriteTypeName(property.Type);
if (isIndexer)
{
int index = property.Name.Value.LastIndexOf(".");
if (index >= 0)
{
WriteIdentifier(property.Name.Value.Substring(0, index + 1) + "this", false); // +1 to include the '.'
}
else
{
WriteIdentifier("this", false);
}
var parameters = new List <IParameterDefinition>(accessor.Parameters);
if (accessor == setter) // If setter remove value parameter.
{
parameters.RemoveAt(parameters.Count - 1);
}
WriteParameters(parameters, property.ContainingType, true);
}
else
{
WriteIdentifier(property.Name);
}
WriteSpace();
WriteSymbol("{");
//get
if (getter != null)
{
WriteAccessorDefinition(property, getter, "get");
}
//set
if (setter != null)
{
WriteAccessorDefinition(property, setter, "set");
}
WriteSpace();
WriteSymbol("}");
}
private void WritePropertyDefinition(IPropertyDefinition property)
{
bool isInterfaceProp = property.ContainingTypeDefinition.IsInterface;
IMethodDefinition accessor = null;
IMethodDefinition getter = null;
IMethodDefinition setter = null;
if (property.Getter != null)
{
getter = property.Getter.ResolvedMethod;
if (!_filter.Include(getter))
{
getter = null;
}
accessor = getter;
}
if (property.Setter != null)
{
setter = property.Setter.ResolvedMethod;
if (!_filter.Include(setter))
{
setter = null;
}
if (accessor == null)
{
accessor = setter;
}
}
if (accessor == null)
{
return;
}
bool isIndexer = accessor.ParameterCount > (accessor == setter ? 1 : 0);
if (isIndexer)
{
string id = property.Name.Value;
int index = id.LastIndexOf(".");
if (index >= 0)
{
id = id.Substring(index + 1);
}
if (id != "Item")
{
WriteFakeAttribute("System.Runtime.CompilerServices.IndexerName", "\"" + id + "\"");
}
}
WriteAttributes(property.Attributes);
// We need to preserve nullable custom attributes which are preserved by the compiler as param on the value parameter and return attributes.
if (getter != null)
{
WriteAttributes(getter.ReturnValueAttributes);
}
if (setter != null)
{
WriteAttributes(setter.Parameters.Last().Attributes);
}
if (!isInterfaceProp)
{
if (!accessor.IsExplicitInterfaceMethod())
{
WriteVisibility(property.Visibility);
}
// Getter and Setter modifiers should be the same
WriteMethodModifiers(accessor);
}
if (property.GetHiddenBaseProperty(_filter) != Dummy.Property)
{
WriteKeyword("new");
}
bool getterHasIsReadOnlyAttribute = (getter?.Attributes.HasIsReadOnlyAttribute()).GetValueOrDefault();
bool setterHasIsReadOnlyAttribute = (setter?.Attributes.HasIsReadOnlyAttribute()).GetValueOrDefault();
// The readonly modifier is applied on the property itself if:
// * It has both a getter and a setter and both have IsReadOnlyAttribute
// * It only has a getter or a setter and it has IsReadOnlyAttribute
// Otherwise, the attribute is applied directly on the getter/setter it exists for
bool allAccessorsHaveIsReadOnlyAttribute = (getterHasIsReadOnlyAttribute && setterHasIsReadOnlyAttribute) ||
(getterHasIsReadOnlyAttribute && (setter is null)) ||
(setterHasIsReadOnlyAttribute && (getter is null));
if (allAccessorsHaveIsReadOnlyAttribute && (LangVersion >= LangVersion8_0))
{
WriteKeyword("readonly");
}
if (property.ReturnValueIsByRef)
{
WriteKeyword("ref");
if (property.Attributes.HasIsReadOnlyAttribute())
{
WriteKeyword("readonly");
}
}
WriteTypeName(property.Type, attributes: property.Attributes);
if (property.IsExplicitInterfaceProperty() && _forCompilationIncludeGlobalprefix)
{
Write("global::");
}
WritePropertyName(property, accessor, accessor == setter, isIndexer);
WriteSpace();
WriteSymbol("{");
//get
if (getter != null)
{
bool isReadOnly = getterHasIsReadOnlyAttribute && !allAccessorsHaveIsReadOnlyAttribute;
WriteAccessorDefinition(property, getter, "get", isReadOnly);
}
//set
if (setter != null)
{
bool isReadOnly = setterHasIsReadOnlyAttribute && !allAccessorsHaveIsReadOnlyAttribute;
WriteAccessorDefinition(property, setter, "set", isReadOnly);
}
WriteSpace();
WriteSymbol("}");
}