106 lines
2.4 KiB
C#
106 lines
2.4 KiB
C#
/*
|
|
Copyright (C) 2011-2015 de4dot@gmail.com
|
|
|
|
This file is part of de4dot.
|
|
|
|
de4dot is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
de4dot is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with de4dot. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using dnlib.DotNet;
|
|
using dnlib.DotNet.Emit;
|
|
|
|
namespace de4dot.code.deobfuscators {
|
|
public class StringCounts {
|
|
Dictionary<string, int> strings = new Dictionary<string, int>(StringComparer.Ordinal);
|
|
|
|
public IEnumerable<string> Strings {
|
|
get { return strings.Keys; }
|
|
}
|
|
|
|
public int NumStrings {
|
|
get { return strings.Count; }
|
|
}
|
|
|
|
public void Add(string s) {
|
|
int count;
|
|
strings.TryGetValue(s, out count);
|
|
strings[s] = count + 1;
|
|
}
|
|
|
|
public bool Exists(string s) {
|
|
if (s == null)
|
|
return false;
|
|
return strings.ContainsKey(s);
|
|
}
|
|
|
|
public bool All(IList<string> list) {
|
|
foreach (var s in list) {
|
|
if (!Exists(s))
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
public bool Exactly(IList<string> list) {
|
|
return list.Count == strings.Count && All(list);
|
|
}
|
|
|
|
public int Count(string s) {
|
|
int count;
|
|
strings.TryGetValue(s, out count);
|
|
return count;
|
|
}
|
|
}
|
|
|
|
public class FieldTypes : StringCounts {
|
|
public FieldTypes(TypeDef type) {
|
|
Initialize(type.Fields);
|
|
}
|
|
|
|
public FieldTypes(IEnumerable<FieldDef> fields) {
|
|
Initialize(fields);
|
|
}
|
|
|
|
void Initialize(IEnumerable<FieldDef> fields) {
|
|
if (fields == null)
|
|
return;
|
|
foreach (var field in fields) {
|
|
var type = field.FieldSig.GetFieldType();
|
|
if (type != null)
|
|
Add(type.FullName);
|
|
}
|
|
}
|
|
}
|
|
|
|
public class LocalTypes : StringCounts {
|
|
public LocalTypes(MethodDef method) {
|
|
if (method != null && method.Body != null)
|
|
Initialize(method.Body.Variables);
|
|
}
|
|
|
|
public LocalTypes(IEnumerable<Local> locals) {
|
|
Initialize(locals);
|
|
}
|
|
|
|
void Initialize(IEnumerable<Local> locals) {
|
|
if (locals == null)
|
|
return;
|
|
foreach (var local in locals)
|
|
Add(local.Type.FullName);
|
|
}
|
|
}
|
|
}
|