static partial void ValidateObjectExtension(ref ValidationErrorsBuilder e, PropertySignature p)
{
if (p.Getter is null && p.Setter is null)
{
e.AddErr("Getter or setter must specified", "getter");
e.AddErr("Setter or getter must specified", "setter");
}
if (p.Getter is object)
{
if (!p.Getter.Params.IsEmpty)
{
e.AddErr("Getter must have no parameters", "getter", "params");
}
}
}
/// <summary> Creates a C# automatic property (i.e. `public bool X { get; }` or `public string Y { get; set; }`). Returns the property and its backing field. </summary>
public static (FieldDef, PropertyDef) CreateAutoProperty(TypeSignature declType, string name, TypeReference propertyType, Accessibility accessibility = null, bool isReadOnly = true, bool isStatic = false, XmlComment doccomment = null)
{
accessibility = accessibility ?? Accessibility.APublic;
var field = new FieldSignature(declType, string.Format(AutoPropertyField, name), Accessibility.APrivate, propertyType, isStatic, isReadOnly);
var fieldRef = field.SpecializeFromDeclaringType();
var prop = PropertySignature.Create(name, declType, propertyType, accessibility, isReadOnly ? null : accessibility, isStatic);
var getter = MethodDef.CreateWithArray(prop.Getter, thisP => Expression.FieldAccess(fieldRef, thisP.SingleOrDefault()).Dereference());
// getter.Attributes.Add(declaringType.Compilation.CompilerGeneratedAttribute());
var setter = isReadOnly ? null :
MethodDef.CreateWithArray(prop.Setter, args => Expression.FieldAccess(fieldRef, args.Length == 1 ? null : args[0].Ref()).ReferenceAssign(args.Last()));
return(new FieldDef(field),
new PropertyDef(prop, getter, setter).With(doccomment: doccomment));
}
/// <summary> Declares a property that overrides the <paramref name="overriddenProperty" /> in the specified declaring type. The property must be virtual or from an interface. </summary>
public static PropertySignature Override(TypeSignature declaringType, PropertySignature overriddenProperty, OptParam <bool> isVirtual = default, bool isAbstract = false)
{
var isInterface = overriddenProperty.DeclaringType.Kind == "interface";
if (!isInterface && !overriddenProperty.IsVirtual)
{
throw new ArgumentException($"Can't override non-virtual property {overriddenProperty}");
}
return(Create(overriddenProperty.Name,
declaringType,
overriddenProperty.Type,
overriddenProperty.Getter?.Accessibility,
overriddenProperty.Setter?.Accessibility,
isVirtual: isVirtual.ValueOrDefault(!isInterface && declaringType.CanOverride),
isOverride: !isInterface,
isAbstract: isAbstract));
}
/// <summary> Creates a PropertySignature of a property represented by System.Reflection type </summary>
public static PropertySignature FromReflection(R.PropertyInfo prop)
{
prop = MethodSignature.SanitizeDeclaringTypeGenerics(prop);
var declaringType = TypeSignature.FromType(prop.DeclaringType);
var get = prop.GetMethod?.Apply(MethodSignature.FromReflection);
var set = prop.SetMethod?.Apply(MethodSignature.FromReflection);
var m = get ?? set;
var resultType = TypeReference.FromType(prop.PropertyType);
return(PropertySignature.Create(prop.Name,
declaringType,
resultType,
get?.Accessibility,
set?.Accessibility,
m.IsStatic,
m.IsVirtual,
m.IsOverride,
m.IsAbstract));
}
/// <summary> Creates a static property definition with the specified getter and setter factories. In principle, this method is similar to <see cref="MethodDef.Create(MethodSignature, Func{ParameterExpression, Expression})" /> </summary>
public static PropertyDef CreateStatic(
PropertySignature signature,
Expression getter,
Func <ParameterExpression, Expression> setter = null)
{
_ = signature ?? throw new ArgumentNullException(nameof(signature));
if (!signature.IsStatic)
{
throw new ArgumentException($"The property '{signature}' is not static, so PropertyDef.CreateStatic may not be used. Please use the Create method instead.", nameof(signature));
}
if (signature.Getter is object && getter is null)
{
throw new ArgumentNullException(nameof(getter), $"A getter body must be specified for property '{signature}'");
}
if (signature.Setter is object && setter is null)
{
throw new ArgumentNullException(nameof(getter), $"A setter body must be specified for property '{signature}'");
}
return(new PropertyDef(
signature,
getter == null || signature.Getter == null ? null : MethodDef.Create(signature.Getter, getter),
setter == null || signature.Setter == null ? null : MethodDef.Create(signature.Setter, setter)
));
}
/// <summary> Creates an empty property definition. Useful when declaring an interface. </summary> public static PropertyDef InterfaceDef(PropertySignature signature, XmlComment doccomment = null) => new PropertyDef(signature, signature.Getter?.Apply(MethodDef.InterfaceDef), signature.Setter?.Apply(MethodDef.InterfaceDef), ImmutableArray <PropertyReference> .Empty, doccomment);
public PropertyDef(PropertySignature signature, MethodDef getter, MethodDef setter)
: this(signature, getter, setter, ImmutableArray <PropertyReference> .Empty)
{
}