public MutableConstructorInfo CreateConstructor(
MutableType declaringType,
MethodAttributes attributes,
IEnumerable <ParameterDeclaration> parameters,
Func <ConstructorBodyCreationContext, Expression> bodyProvider)
{
ArgumentUtility.CheckNotNull("declaringType", declaringType);
ArgumentUtility.CheckNotNull("parameters", parameters);
ArgumentUtility.CheckNotNull("bodyProvider", bodyProvider);
MemberAttributesUtility.ValidateAttributes("constructors", MemberAttributesUtility.InvalidConstructorAttributes, attributes, "attributes");
var isStatic = attributes.IsSet(MethodAttributes.Static);
var paras = parameters.ToList();
if (isStatic && paras.Count != 0)
{
throw new ArgumentException("A type initializer (static constructor) cannot have parameters.", "parameters");
}
var signature = new MethodSignature(typeof(void), paras.Select(p => p.Type), 0);
if (declaringType.AddedConstructors.Any(ctor => ctor.IsStatic == isStatic && MethodSignature.Create(ctor).Equals(signature)))
{
throw new InvalidOperationException("Constructor with equal signature already exists.");
}
var parameterExpressions = paras.Select(p => p.Expression);
var context = new ConstructorBodyCreationContext(declaringType, isStatic, parameterExpressions);
var body = BodyProviderUtility.GetTypedBody(typeof(void), bodyProvider, context);
var attr = attributes.Set(MethodAttributes.SpecialName | MethodAttributes.RTSpecialName);
return(new MutableConstructorInfo(declaringType, attr, paras, body));
}
public MutablePropertyInfo CreateProperty(
MutableType declaringType, string name, PropertyAttributes attributes, MutableMethodInfo getMethod, MutableMethodInfo setMethod)
{
ArgumentUtility.CheckNotNull("declaringType", declaringType);
ArgumentUtility.CheckNotNullOrEmpty("name", name);
// Get method may be null.
// Set method may be null.
MemberAttributesUtility.ValidateAttributes("properties", MemberAttributesUtility.InvalidPropertyAttributes, attributes, "attributes");
if (getMethod == null && setMethod == null)
{
throw new ArgumentException("Property must have at least one accessor.", "getMethod");
}
var readWriteProperty = getMethod != null && setMethod != null;
if (readWriteProperty && getMethod.IsStatic != setMethod.IsStatic)
{
throw new ArgumentException("Accessor methods must be both either static or non-static.", "getMethod");
}
if (getMethod != null && !ReferenceEquals(getMethod.DeclaringType, declaringType))
{
throw new ArgumentException("Get method is not declared on the current type.", "getMethod");
}
if (setMethod != null && !ReferenceEquals(setMethod.DeclaringType, declaringType))
{
throw new ArgumentException("Set method is not declared on the current type.", "setMethod");
}
if (getMethod != null && getMethod.ReturnType == typeof(void))
{
throw new ArgumentException("Get accessor must be a non-void method.", "getMethod");
}
if (setMethod != null && setMethod.ReturnType != typeof(void))
{
throw new ArgumentException("Set accessor must have return type void.", "setMethod");
}
var getSignature = getMethod != null ? new PropertySignature(getMethod.ReturnType, getMethod.GetParameters().Select(p => p.ParameterType)) : null;
var setParameters = setMethod != null?setMethod.GetParameters().Select(p => p.ParameterType).ToList() : null;
var setSignature = setMethod != null ? new PropertySignature(setParameters.Last(), setParameters.Take(setParameters.Count - 1)) : null;
if (readWriteProperty && !getSignature.Equals(setSignature))
{
throw new ArgumentException("Get and set accessor methods must have a matching signature.", "setMethod");
}
var signature = getSignature ?? setSignature;
if (declaringType.AddedProperties.Any(p => p.Name == name && PropertySignature.Create(p).Equals(signature)))
{
throw new InvalidOperationException("Property with equal name and signature already exists.");
}
return(new MutablePropertyInfo(declaringType, name, attributes, getMethod, setMethod));
}
public MutablePropertyInfo CreateProperty(
MutableType declaringType,
string name,
Type type,
IEnumerable <ParameterDeclaration> indexParameters,
MethodAttributes accessorAttributes,
Func <MethodBodyCreationContext, Expression> getBodyProvider,
Func <MethodBodyCreationContext, Expression> setBodyProvider)
{
ArgumentUtility.CheckNotNull("declaringType", declaringType);
ArgumentUtility.CheckNotNullOrEmpty("name", name);
ArgumentUtility.CheckNotNull("type", type);
ArgumentUtility.CheckNotNull("indexParameters", indexParameters);
// Get body provider may be null.
// Set body provider may be null.
MemberAttributesUtility.ValidateAttributes(
"property accessor methods", MemberAttributesUtility.InvalidMethodAttributes, accessorAttributes, "accessorAttributes");
if (getBodyProvider == null && setBodyProvider == null)
{
throw new ArgumentException("At least one accessor body provider must be specified.", "getBodyProvider");
}
var indexParams = indexParameters.ToList();
var signature = new PropertySignature(type, indexParams.Select(pd => pd.Type));
if (declaringType.AddedProperties.Any(p => p.Name == name && PropertySignature.Create(p).Equals(signature)))
{
throw new InvalidOperationException("Property with equal name and signature already exists.");
}
var attributes = accessorAttributes | MethodAttributes.SpecialName;
MutableMethodInfo getMethod = null, setMethod = null;
if (getBodyProvider != null)
{
getMethod = CreateAccessor(declaringType, "get_" + name, attributes, type, indexParams, getBodyProvider);
}
if (setBodyProvider != null)
{
var setterParams = indexParams.Concat(new[] { new ParameterDeclaration(type, "value") });
setMethod = CreateAccessor(declaringType, "set_" + name, attributes, typeof(void), setterParams, setBodyProvider);
}
return(new MutablePropertyInfo(declaringType, name, PropertyAttributes.None, getMethod, setMethod));
}
public MutableEventInfo CreateEvent(
MutableType declaringType,
string name,
Type handlerType,
MethodAttributes accessorAttributes,
Func <MethodBodyCreationContext, Expression> addBodyProvider,
Func <MethodBodyCreationContext, Expression> removeBodyProvider,
Func <MethodBodyCreationContext, Expression> raiseBodyProvider)
{
ArgumentUtility.CheckNotNull("declaringType", declaringType);
ArgumentUtility.CheckNotNullOrEmpty("name", name);
ArgumentUtility.CheckNotNullAndTypeIsAssignableFrom("handlerType", handlerType, typeof(Delegate));
ArgumentUtility.CheckNotNull("addBodyProvider", addBodyProvider);
ArgumentUtility.CheckNotNull("removeBodyProvider", removeBodyProvider);
// Raise body provider may be null.
MemberAttributesUtility.ValidateAttributes(
"event accessor methods", MemberAttributesUtility.InvalidMethodAttributes, accessorAttributes, "accessorAttributes");
var signature = new EventSignature(handlerType);
if (declaringType.AddedEvents.Any(e => e.Name == name && EventSignature.Create(e).Equals(signature)))
{
throw new InvalidOperationException("Event with equal name and signature already exists.");
}
var attributes = accessorAttributes | MethodAttributes.SpecialName;
var addRemoveParameters = new[] { new ParameterDeclaration(handlerType, "handler") };
var addMethod = CreateAccessor(declaringType, "add_" + name, attributes, typeof(void), addRemoveParameters, addBodyProvider);
var removeMethod = CreateAccessor(declaringType, "remove_" + name, attributes, typeof(void), addRemoveParameters, removeBodyProvider);
MutableMethodInfo raiseMethod = null;
if (raiseBodyProvider != null)
{
var invokeMethod = GetInvokeMethod(handlerType);
var raiseParameters = invokeMethod.GetParameters().Select(p => new ParameterDeclaration(p.ParameterType, p.Name, p.Attributes));
raiseMethod = CreateAccessor(declaringType, "raise_" + name, attributes, invokeMethod.ReturnType, raiseParameters, raiseBodyProvider);
}
return(new MutableEventInfo(declaringType, name, EventAttributes.None, addMethod, removeMethod, raiseMethod));
}
public MutableFieldInfo CreateField(MutableType declaringType, string name, Type type, FieldAttributes attributes)
{
ArgumentUtility.CheckNotNull("declaringType", declaringType);
ArgumentUtility.CheckNotNullOrEmpty("name", name);
ArgumentUtility.CheckNotNull("type", type);
if (type == typeof(void))
{
throw new ArgumentException("Field cannot be of type void.", "type");
}
MemberAttributesUtility.ValidateAttributes("fields", MemberAttributesUtility.InvalidFieldAttributes, attributes, "attributes");
var signature = new FieldSignature(type);
if (declaringType.AddedFields.Any(f => f.Name == name && FieldSignature.Create(f).Equals(signature)))
{
throw new InvalidOperationException("Field with equal name and signature already exists.");
}
return(new MutableFieldInfo(declaringType, name, type, attributes));
}
public MutableMethodInfo CreateMethod(
MutableType declaringType,
string name,
MethodAttributes attributes,
IEnumerable <GenericParameterDeclaration> genericParameters,
Func <GenericParameterContext, Type> returnTypeProvider,
Func <GenericParameterContext, IEnumerable <ParameterDeclaration> > parameterProvider,
Func <MethodBodyCreationContext, Expression> bodyProvider)
{
ArgumentUtility.CheckNotNull("declaringType", declaringType);
ArgumentUtility.CheckNotNullOrEmpty("name", name);
ArgumentUtility.CheckNotNull("genericParameters", genericParameters);
ArgumentUtility.CheckNotNull("returnTypeProvider", returnTypeProvider);
ArgumentUtility.CheckNotNull("parameterProvider", parameterProvider);
// Body provider may be null (for abstract methods).
// TODO 5478: virtual and static is an invalid combination
var isAbstract = attributes.IsSet(MethodAttributes.Abstract);
if (!isAbstract && bodyProvider == null)
{
throw new ArgumentNullException("bodyProvider", "Non-abstract methods must have a body.");
}
if (isAbstract && bodyProvider != null)
{
throw new ArgumentException("Abstract methods cannot have a body.", "bodyProvider");
}
MemberAttributesUtility.ValidateAttributes("methods", MemberAttributesUtility.InvalidMethodAttributes, attributes, "attributes");
var isVirtual = attributes.IsSet(MethodAttributes.Virtual);
var isNewSlot = attributes.IsSet(MethodAttributes.NewSlot);
if (isAbstract && !isVirtual)
{
throw new ArgumentException("Abstract methods must also be virtual.", "attributes");
}
if (!isVirtual && isNewSlot)
{
throw new ArgumentException("NewSlot methods must also be virtual.", "attributes");
}
var methodItems = GetMethodSignatureItems(declaringType, genericParameters, returnTypeProvider, parameterProvider);
var signature = new MethodSignature(
methodItems.ReturnType,
methodItems.ParameterDeclarations.Select(pd => pd.Type),
methodItems.GenericParameters.Count,
s_methodSignatureStringBuilderHelper);
if (declaringType.AddedMethods.Any(m => m.Name == name && MethodSignature.Create(m).Equals(signature)))
{
throw new InvalidOperationException("Method with equal name and signature already exists.");
}
var baseMethod = GetBaseMethod(declaringType, name, signature, isVirtual, isNewSlot);
// TODO 5478: if it is an implicit overriddenMethod override, it needs at least the same ore more public visibility
var body = GetMethodBody(declaringType, attributes, bodyProvider, methodItems, baseMethod);
return(new MutableMethodInfo(
declaringType, name, attributes, methodItems.GenericParameters, methodItems.ReturnType, methodItems.ParameterDeclarations, baseMethod, body));
}
public MutableEventInfo CreateEvent(
MutableType declaringType,
string name,
EventAttributes attributes,
MutableMethodInfo addMethod,
MutableMethodInfo removeMethod,
MutableMethodInfo raiseMethod)
{
ArgumentUtility.CheckNotNull("declaringType", declaringType);
ArgumentUtility.CheckNotNullOrEmpty("name", name);
ArgumentUtility.CheckNotNull("addMethod", addMethod);
ArgumentUtility.CheckNotNull("removeMethod", removeMethod);
// Raise method may be null.
MemberAttributesUtility.ValidateAttributes("events", MemberAttributesUtility.InvalidEventAttributes, attributes, "attributes");
if (addMethod.IsStatic != removeMethod.IsStatic || (raiseMethod != null && raiseMethod.IsStatic != addMethod.IsStatic))
{
throw new ArgumentException("Accessor methods must be all either static or non-static.", "addMethod");
}
if (!ReferenceEquals(addMethod.DeclaringType, declaringType))
{
throw new ArgumentException("Add method is not declared on the current type.", "addMethod");
}
if (!ReferenceEquals(removeMethod.DeclaringType, declaringType))
{
throw new ArgumentException("Remove method is not declared on the current type.", "removeMethod");
}
if (raiseMethod != null && !ReferenceEquals(raiseMethod.DeclaringType, declaringType))
{
throw new ArgumentException("Raise method is not declared on the current type.", "raiseMethod");
}
if (addMethod.ReturnType != typeof(void))
{
throw new ArgumentException("Add method must have return type void.", "addMethod");
}
if (removeMethod.ReturnType != typeof(void))
{
throw new ArgumentException("Remove method must have return type void.", "removeMethod");
}
var addMethodParameterTypes = addMethod.GetParameters().Select(p => p.ParameterType).ToList();
var removeMethodParameterTypes = removeMethod.GetParameters().Select(p => p.ParameterType).ToList();
if (addMethodParameterTypes.Count != 1 || !addMethodParameterTypes[0].IsSubclassOf(typeof(Delegate)))
{
throw new ArgumentException("Add method must have a single parameter that is assignable to 'System.Delegate'.", "addMethod");
}
if (removeMethodParameterTypes.Count != 1 || !removeMethodParameterTypes[0].IsSubclassOf(typeof(Delegate)))
{
throw new ArgumentException("Remove method must have a single parameter that is assignable to 'System.Delegate'.", "removeMethod");
}
if (addMethodParameterTypes.Single() != removeMethodParameterTypes.Single())
{
throw new ArgumentException("The type of the handler parameter is different for the add and remove method.", "removeMethod");
}
var handlerType = addMethodParameterTypes.Single();
var invokeMethod = GetInvokeMethod(handlerType);
if (raiseMethod != null && !MethodSignature.AreEqual(raiseMethod, invokeMethod))
{
throw new ArgumentException("The signature of the raise method does not match the handler type.", "raiseMethod");
}
var signature = new EventSignature(handlerType);
if (declaringType.AddedEvents.Any(e => e.Name == name && EventSignature.Create(e).Equals(signature)))
{
throw new InvalidOperationException("Event with equal name and signature already exists.");
}
return(new MutableEventInfo(declaringType, name, attributes, addMethod, removeMethod, raiseMethod));
}