|
static private FieldNotDefinedForType ( object p0, object p1 ) : |
||
| p0 | object | |
| p1 | object | |
| Результат | ||
public static MemberExpression Field(Expression expression, Type type, string fieldName)
{
ContractUtils.RequiresNotNull(type, nameof(type));
// bind to public names first
FieldInfo fi = type.GetField(fieldName, BindingFlags.Static | BindingFlags.Instance | BindingFlags.Public | BindingFlags.IgnoreCase | BindingFlags.FlattenHierarchy)
?? type.GetField(fieldName, BindingFlags.Static | BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.IgnoreCase | BindingFlags.FlattenHierarchy);
if (fi == null)
{
throw Error.FieldNotDefinedForType(fieldName, type);
}
return(Expression.Field(expression, fi));
}
//CONFORMING
public static MemberExpression Field(Expression expression, string fieldName)
{
RequiresCanRead(expression, "expression");
// bind to public names first
FieldInfo fi = expression.Type.GetField(fieldName, BindingFlags.Instance | BindingFlags.Public | BindingFlags.IgnoreCase | BindingFlags.FlattenHierarchy);
if (fi == null)
{
fi = expression.Type.GetField(fieldName, BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.IgnoreCase | BindingFlags.FlattenHierarchy);
}
if (fi == null)
{
throw Error.FieldNotDefinedForType(fieldName, expression.Type);
}
return(Expression.Field(expression, fi));
}
/// <summary>
/// Creates a <see cref="MemberExpression"/> accessing a field.
/// </summary>
/// <param name="expression">The containing object of the field. This can be null for static fields.</param>
/// <param name="type">The <see cref="Type"/> containing the field.</param>
/// <param name="fieldName">The field to be accessed.</param>
/// <returns>The created <see cref="MemberExpression"/>.</returns>
public static MemberExpression Field(Expression expression, Type type, string fieldName)
{
ContractUtils.RequiresNotNull(type, "type");
// bind to public names first
var fi = type.GetField(fieldName, _publicStaticFlags);
if (fi == null)
{
fi = type.GetField(fieldName, _nonPublicStaticFlags);
}
if (fi == null)
{
throw Error.FieldNotDefinedForType(fieldName, type);
}
return(Field(expression, fi));
}
/// <summary>
/// Creates a <see cref="MemberExpression"/> accessing a field.
/// </summary>
/// <param name="expression">The containing object of the field. This can be null for static fields.</param>
/// <param name="type">The <see cref="Type"/> containing the field.</param>
/// <param name="fieldName">The field to be accessed.</param>
/// <returns>The created <see cref="MemberExpression"/>.</returns>
public static MemberExpression Field(
Expression?expression,
[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicFields | DynamicallyAccessedMemberTypes.NonPublicFields)] Type type,
string fieldName)
{
ArgumentNullException.ThrowIfNull(type);
ArgumentNullException.ThrowIfNull(fieldName);
// bind to public names first
FieldInfo?fi = type.GetField(fieldName, BindingFlags.Static | BindingFlags.Instance | BindingFlags.Public | BindingFlags.IgnoreCase | BindingFlags.FlattenHierarchy)
?? type.GetField(fieldName, BindingFlags.Static | BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.IgnoreCase | BindingFlags.FlattenHierarchy);
if (fi == null)
{
throw Error.FieldNotDefinedForType(fieldName, type);
}
return(Expression.Field(expression, fi));
}
