mirror of https://github.com/icsharpcode/ILSpy.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
43 lines
1.5 KiB
43 lines
1.5 KiB
// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt) |
|
// This code is distributed under MIT X11 license (for details please see \doc\license.txt) |
|
|
|
using System; |
|
using System.Collections.Generic; |
|
|
|
namespace ICSharpCode.NRefactory.CSharp.Resolver |
|
{ |
|
/// <summary> |
|
/// <see cref="IResolveVisitorNavigator"/> implementation that resolves a list of nodes. |
|
/// We will skip all nodes which are not the target nodes or ancestors of the target nodes. |
|
/// </summary> |
|
public sealed class NodeListResolveVisitorNavigator : IResolveVisitorNavigator |
|
{ |
|
readonly Dictionary<AstNode, ResolveVisitorNavigationMode> dict = new Dictionary<AstNode, ResolveVisitorNavigationMode>(); |
|
|
|
/// <summary> |
|
/// Creates a new NodeListResolveVisitorNavigator that resolves the specified nodes. |
|
/// </summary> |
|
public NodeListResolveVisitorNavigator(IEnumerable<AstNode> nodes) |
|
{ |
|
if (nodes == null) |
|
throw new ArgumentNullException("nodes"); |
|
foreach (var node in nodes) { |
|
dict[node] = ResolveVisitorNavigationMode.Resolve; |
|
for (var ancestor = node.Parent; ancestor != null && !dict.ContainsKey(ancestor); ancestor = ancestor.Parent) { |
|
dict.Add(ancestor, ResolveVisitorNavigationMode.Scan); |
|
} |
|
} |
|
} |
|
|
|
/// <inheritdoc/> |
|
public ResolveVisitorNavigationMode Scan(AstNode node) |
|
{ |
|
ResolveVisitorNavigationMode mode; |
|
if (dict.TryGetValue(node, out mode)) { |
|
return mode; |
|
} else { |
|
return ResolveVisitorNavigationMode.Skip; |
|
} |
|
} |
|
} |
|
}
|
|
|