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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Diagnostics.CodeAnalysis;
namespace System.Web.Razor
{
// Flags:
// Provisional, ContextChanged, Accepted, Rejected
// 000001 1 - Rejected,
// 000010 2 - Accepted
// 000100 4 - Provisional
// 001000 8 - Context Changed
// 010000 16 - Auto Complete Block
/// <summary>
/// The result of attempting an incremental parse
/// </summary>
/// <remarks>
/// Either the Accepted or Rejected flag is ALWAYS set.
/// Additionally, Provisional may be set with Accepted and SpanContextChanged may be set with Rejected.
/// Provisional may NOT be set with Rejected and SpanContextChanged may NOT be set with Accepted.
/// </remarks>
[Flags]
[SuppressMessage("Microsoft.Naming", "CA1714:FlagsEnumsShouldHavePluralNames", Justification = "The singular name is more appropriate here")]
public enum PartialParseResult
{
/// <summary>
/// Indicates that the edit could not be accepted and that a reparse is underway.
/// </summary>
Rejected = 1,
/// <summary>
/// Indicates that the edit was accepted and has been added to the parse tree
/// </summary>
Accepted = 2,
/// <summary>
/// Indicates that the edit was accepted, but that a reparse should be forced when idle time is available
/// since the edit may be misclassified
/// </summary>
/// <remarks>
/// This generally occurs when a "." is typed in an Implicit Expression, since editors require that this
/// be assigned to Code in order to properly support features like IntelliSense. However, if no further edits
/// occur following the ".", it should be treated as Markup.
/// </remarks>
Provisional = 4,
/// <summary>
/// Indicates that the edit caused a change in the span's context and that if any statement completions were active prior to starting this
/// partial parse, they should be reinitialized.
/// </summary>
SpanContextChanged = 8,
/// <summary>
/// Indicates that the edit requires an auto completion to occur
/// </summary>
AutoCompleteBlock = 16
}
}
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