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//
// Util.cs
//
// Author:
// Jb Evain (jbevain@novell.com)
//
// Copyright (C) 2008 Novell, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections.Generic;
using System.Text;
using Mono.Cecil;
using GuiCompare;
namespace Mono.AssemblyCompare {
static class TypeHelper {
public static AssemblyResolver Resolver = new AssemblyResolver ();
internal static bool IsPublic (TypeReference typeref)
{
if (typeref == null)
throw new ArgumentNullException ("typeref");
TypeDefinition td = typeref.Resolve ();
if (td == null)
return false;
return td.IsPublic;
}
internal static bool IsDelegate (TypeReference typeref)
{
return IsDerivedFrom (typeref, "System.MulticastDelegate");
}
internal static bool IsDerivedFrom (TypeReference type, string derivedFrom)
{
bool first = true;
foreach (var def in WalkHierarchy (type)) {
if (first) {
first = false;
continue;
}
if (def.FullName == derivedFrom)
return true;
}
return false;
}
internal static IEnumerable<TypeDefinition> WalkHierarchy (TypeReference type)
{
for (var def = type.Resolve (); def != null; def = GetBaseType (def))
yield return def;
}
internal static IEnumerable<TypeReference> GetInterfaces (TypeReference type)
{
var ifaces = new Dictionary<string, TypeReference> ();
foreach (var def in WalkHierarchy (type))
foreach (TypeReference iface in def.Interfaces)
ifaces [iface.FullName] = iface;
return ifaces.Values;
}
internal static TypeDefinition GetBaseType (TypeDefinition child)
{
if (child.BaseType == null)
return null;
return child.BaseType.Resolve ();
}
internal static bool IsPublic (CustomAttribute att)
{
return IsPublic (att.AttributeType);
}
internal static string GetFullName (CustomAttribute att)
{
return att.AttributeType.FullName;
}
internal static TypeDefinition GetTypeDefinition (CustomAttribute att)
{
return att.AttributeType.Resolve ();
}
}
}
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