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//
// Author:
// Jb Evain (jbevain@gmail.com)
//
// Copyright (c) 2008 - 2015 Jb Evain
// Copyright (c) 2008 - 2011 Novell, Inc.
//
// Licensed under the MIT/X11 license.
//
namespace Mono.Cecil {
public interface IConstantProvider : IMetadataTokenProvider {
bool HasConstant { get; set; }
object Constant { get; set; }
}
static partial class Mixin {
internal static object NoValue = new object ();
internal static object NotResolved = new object ();
public static void ResolveConstant (
this IConstantProvider self,
ref object constant,
ModuleDefinition module)
{
if (module == null) {
constant = Mixin.NoValue;
return;
}
lock (module.SyncRoot) {
if (constant != Mixin.NotResolved)
return;
if (module.HasImage ())
constant = module.Read (self, (provider, reader) => reader.ReadConstant (provider));
else
constant = Mixin.NoValue;
}
}
}
}
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