public static void CreateMethodRestore(MethodDef target, MethodDef newMethod, ModuleDefMD module)
{
AssemblyRef dnlib = module.GetAssemblyRef(new UTF8String("dnlib"));
TypeRefUser Instruction = new TypeRefUser(module, new UTF8String("dnlib"), new UTF8String("Instruction"), dnlib);
TypeSig instructionSig = Instruction.ToTypeSig();
var assemblyRef = module.CorLibTypes.AssemblyRef;
var listRef = new TypeRefUser(module, @"System.Collections.Generic", "List`1", assemblyRef);
var listGenericInstSig = new GenericInstSig(new ClassSig(listRef), instructionSig);
var listTypeSpec = new TypeSpecUser(listGenericInstSig);
var listCtor = new MemberRefUser(module, ".ctor", MethodSig.CreateInstance(module.CorLibTypes.Void), listTypeSpec);
var instruictionCtor = new MemberRefUser(module, ".ctor", MethodSig.CreateInstance(module.CorLibTypes.Void), instructionSig.TryGetTypeSpec());
var listAdd = new MemberRefUser(module, "Add", MethodSig.CreateInstance(module.CorLibTypes.Void, new GenericVar(0)), listTypeSpec);
// sdsd
newMethod.Body.Instructions.Add(OpCodes.Newobj.ToInstruction(listCtor));
newMethod.Body.Instructions.Add(OpCodes.Stloc_0.ToInstruction()); // Store list to local[0]
/*
* newMethod.Body.Instructions.Add(new Instruction(OpCodes.Dup));
* newMethod.Body.Instructions.Add(new Instruction(OpCodes.Ldsfld, OpCodes.Add));
* newMethod.Body.Instructions.Add(new Instruction(OpCodes.Ldc_I4_S, 0x37));
* newMethod.Body.Instructions.Add(new Instruction(OpCodes.Box, module.CorLibTypes.Int32));
* newMethod.Body.Instructions.Add(new Instruction(OpCodes.Newobj, instruictionCtor));
* newMethod.Body.Instructions.Add(new Instruction(OpCodes.Callvirt, listAdd));
*/
}
private static MemberRefUser FindReadMethod(ModuleDef m, GenericInstSig sig, IMethod method)
{
return(new MemberRefUser(m, method.Name, method.MethodSig)
{
Class = new TypeSpecUser(sig)
});
}
static int GetSystemValueTupleRank(GenericInstSig gis)
{
GenericInstSig?gis2 = gis;
int rank = 0;
for (int i = 0; i < 1000; i++)
{
int currentRank = GetValueTupleSimpleRank(gis2);
if (currentRank < 0)
{
return(-1);
}
if (rank < 8)
{
return(rank + currentRank);
}
rank += currentRank - 1;
gis2 = gis2.GenericArguments[currentRank - 1] as GenericInstSig;
if (gis2 is null)
{
return(-1);
}
}
return(-1);
}
bool?CanAccess(MethodDef md, GenericInstSig git)
{
if (md == null)
{
return(null);
}
var access = GetTypeAccess(md.DeclaringType, git);
if (access == null)
{
return(null);
}
var acc = access.Value;
if ((acc & CheckTypeAccess.Normal) == 0)
{
return(false);
}
if ((acc & CheckTypeAccess.FullMemberAccess) != 0)
{
return(true);
}
return(IsVisible(md, git));
}
bool?CanAccess(TypeDef td, GenericInstSig git, MemberRef mr)
{
if (mr == null || td == null)
{
return(null);
}
if (mr.MethodSig != null)
{
var md = td.FindMethodCheckBaseType(mr.Name, mr.MethodSig);
if (md == null)
{
// Assume that it's an array type if it's one of these methods
if (mr.Name == "Get" || mr.Name == "Set" || mr.Name == "Address" || mr.Name == ".ctor")
{
return(true);
}
return(null);
}
return(CanAccess(md, git));
}
if (mr.FieldSig != null)
{
return(CanAccess(td.FindFieldCheckBaseType(mr.Name, mr.FieldSig), git));
}
return(null);
}
public TypeSig GetTypeSig()
{
if (IsArrayType)
{
if (ArrayInfo.IsSZArray)
{
return(new SZArraySig(GenArgs[0]));
}
return(new ArraySig(GenArgs[0], ArrayInfo.Rank, ArrayInfo.Sizes, ArrayInfo.LowerBounds));
}
ClassOrValueTypeSig tySig;
if (IsValueType)
{
tySig = new ValueTypeSig(Def);
}
else
{
tySig = new ClassSig(Def);
}
TypeSig thisSig = tySig;
if (HasGenArgs)
{
thisSig = new GenericInstSig(tySig, GenArgs);
}
return(thisSig);
}
/// <summary>
/// Checks whether <see cref="userType"/> has access to <paramref name="td"/>.
/// <paramref name="td"/> is Family, FamANDAssem, or FamORAssem.
/// </summary>
/// <param name="td">Type</param>
/// <param name="git">Generic instance of <paramref name="td"/> or <c>null</c> if none</param>
bool CheckFamily(TypeDef td, GenericInstSig git)
{
if (td == null)
{
return(false);
}
InitializeBaseTypes();
if (baseTypes.ContainsKey(git == null ? (IType)td : git))
{
return(true);
}
// td is Family, FamANDAssem, or FamORAssem. If we derive from its enclosing type,
// we have access to it.
var td2 = td.DeclaringType;
if (td2 != null && baseTypes.ContainsKey(td2))
{
return(true);
}
// If one of our enclosing types derive from it, we also have access to it
var userDeclType = userType.DeclaringType;
if (userDeclType != null)
{
return(new AccessChecker(userDeclType).CheckFamily(td, git));
}
return(false);
}
TypeSpec ApplyGenerics(ITypeDefOrRef type, IList <TypeSig> generics)
{
ClassOrValueTypeSig typeSig = type.ToTypeSig().ToClassOrValueTypeSig();
GenericInstSig genericSig = new GenericInstSig(typeSig, generics);
return(new TypeSpecUser(genericSig));
}
// Token: 0x06000156 RID: 342 RVA: 0x0000BA60 File Offset: 0x00009C60
private static void FindTypeRefsInternal(TypeSig typeSig, IList <ITypeDefOrRef> ret)
{
while (typeSig.Next != null)
{
if (typeSig is ModifierSig)
{
ret.Add(((ModifierSig)typeSig).Modifier);
}
typeSig = typeSig.Next;
}
if (typeSig is GenericInstSig)
{
GenericInstSig genInst = (GenericInstSig)typeSig;
ret.Add(genInst.GenericType.TypeDefOrRef);
using (IEnumerator <TypeSig> enumerator = genInst.GenericArguments.GetEnumerator())
{
while (enumerator.MoveNext())
{
TypeSig genArg = enumerator.Current;
DnlibUtils.FindTypeRefsInternal(genArg, ret);
}
return;
}
}
if (typeSig is TypeDefOrRefSig)
{
for (ITypeDefOrRef type = ((TypeDefOrRefSig)typeSig).TypeDefOrRef; type != null; type = type.DeclaringType)
{
ret.Add(type);
}
}
}
internal TypeSig CreateTypeSig(IList <TSpec> tspecs, TypeSig currentSig)
{
foreach (var tspec in tspecs)
{
switch (tspec.etype)
{
case ElementType.SZArray:
currentSig = new SZArraySig(currentSig);
break;
case ElementType.Array:
var arraySpec = (ArraySpec)tspec;
currentSig = new ArraySig(currentSig, arraySpec.rank, arraySpec.sizes, arraySpec.lowerBounds);
break;
case ElementType.GenericInst:
var ginstSpec = (GenericInstSpec)tspec;
currentSig = new GenericInstSig(currentSig as ClassOrValueTypeSig, ginstSpec.args);
break;
case ElementType.ByRef:
currentSig = new ByRefSig(currentSig);
break;
case ElementType.Ptr:
currentSig = new PtrSig(currentSig);
break;
default:
Verify(false, "Unknown TSpec");
break;
}
}
return(currentSig);
}
static bool ContainsAnonymousType(this TypeSig type, int depth)
{
if (depth >= 30)
{
return(false);
}
GenericInstSig git = type as GenericInstSig;
if (git != null && git.GenericType != null)
{
if (IsAnonymousType(git.GenericType.TypeDefOrRef))
{
return(true);
}
for (int i = 0; i < git.GenericArguments.Count; i++)
{
if (git.GenericArguments[i].ContainsAnonymousType(depth + 1))
{
return(true);
}
}
return(false);
}
if (type != null && type.Next != null)
{
return(type.Next.ContainsAnonymousType(depth + 1));
}
return(false);
}
public static bool IsSystemNullable(this GenericInstSig gis)
{
if (gis == null)
{
return(false);
}
if (gis.GenericArguments.Count != 1)
{
return(false);
}
var type = gis.GenericType as ValueTypeSig;
if (type == null)
{
return(false);
}
var mdip = type.TypeDefOrRef as IMetaDataImportProvider;
if (mdip == null)
{
return(false);
}
return(MetaDataUtils.IsSystemNullable(mdip.MetaDataImport, mdip.MDToken.Raw));
}
public static bool ContainsAnonymousType(this TypeSig type)
{
GenericInstSig git = type as GenericInstSig;
if (git != null)
{
if (IsAnonymousType(git.GenericType.TypeDefOrRef))
{
return(true);
}
for (int i = 0; i < git.GenericArguments.Count; i++)
{
if (git.GenericArguments[i].ContainsAnonymousType())
{
return(true);
}
}
return(false);
}
if (type.Next != null)
{
return(ContainsAnonymousType(type.Next));
}
return(false);
}
public static bool ContainsAnonymousType(this TypeSig typeSig)
{
GenericInstSig inst = typeSig as GenericInstSig;
if (inst != null)
{
if (IsAnonymousType(inst.GenericType.TypeDefOrRef))
{
return(true);
}
for (int i = 0; i < inst.GenericArguments.Count; i++)
{
if (inst.GenericArguments[i].ContainsAnonymousType())
{
return(true);
}
}
return(false);
}
if (typeSig.Next == null)
{
return(false);
}
while (typeSig.Next != null)
{
typeSig = typeSig.Next;
}
return(typeSig.ContainsAnonymousType());
}
// 检查是否存在要替换的泛型签名
private static bool IsReplaceNeeded(TypeSig tySig)
{
while (tySig != null)
{
switch (tySig.ElementType)
{
case ElementType.Var:
case ElementType.MVar:
return(true);
case ElementType.GenericInst:
{
GenericInstSig genInstSig = (GenericInstSig)tySig;
foreach (var arg in genInstSig.GenericArguments)
{
if (IsReplaceNeeded(arg))
{
return(true);
}
}
}
break;
}
tySig = tySig.Next;
}
return(false);
}
public TypeSig GetThisTypeSig()
{
ClassOrValueTypeSig tySig;
if (IsValueType)
{
tySig = new ValueTypeSig(Def);
}
else
{
tySig = new ClassSig(Def);
}
TypeSig thisSig = tySig;
if (HasGenArgs)
{
thisSig = new GenericInstSig(tySig, GenArgs);
}
if (IsValueType)
{
thisSig = new ByRefSig(thisSig);
}
return(thisSig);
}
void FindEncryptedResourceReader()
{
var type = GetTypeFromCode(encryptedResourceSet_GetDefaultReader);
if (type == null)
{
return;
}
if (type.BaseType == null || !HasInterface(type, "System.Resources.IResourceReader"))
{
return;
}
if (!new FieldTypes(type).All(encryptedResourceReaderType_fields))
{
return;
}
var dictType = GetDlxResDict(type);
if (dictType == null)
{
return;
}
if (FindXxteaMethod(type) == null)
{
return;
}
encryptedResourceReaderType = type;
encryptedResourceReaderTypeDict = dictType;
}
public static TypeSig GetGenericArgument(GenericInstSig typeOwner, MethodSpec methodOwner, TypeSig type)
{
var typeArgs = typeOwner == null ? null : typeOwner.GenericArguments;
var genMethodArgs = methodOwner == null || methodOwner.GenericInstMethodSig == null ?
null : methodOwner.GenericInstMethodSig.GenericArguments;
return(GenericArgsSubstitutor.Create(type, typeArgs, genMethodArgs));
}
public static FieldSig Create(FieldSig sig, GenericInstSig git)
{
if (git == null)
{
return(sig);
}
return(Create(sig, git.GenericArguments));
}
public static IField create(IField field, GenericInstSig git)
{
if (git == null)
{
return(field);
}
return(create(field, git.GenericArguments));
}
public static ITypeDefOrRef create(ITypeDefOrRef type, GenericInstSig git)
{
if (git == null)
{
return(type);
}
return(create(type, git.GenericArguments));
}
public static IMethodDefOrRef create(IMethodDefOrRef method, GenericInstSig git)
{
if (git == null)
{
return(method);
}
return(create(method, git.GenericArguments));
}
public static GenericInstMethodSig create(GenericInstMethodSig sig, GenericInstSig git)
{
if (git == null)
{
return(sig);
}
return(create(sig, git.GenericArguments));
}
public static bool IsSystemNullable(GenericInstSig gis)
{
var gt = gis.GenericType as ValueTypeSig;
return(gt != null &&
gt.TypeDefOrRef != null &&
gt.TypeDefOrRef.DefinitionAssembly.IsCorLib() &&
gt.TypeDefOrRef.FullName == "System.Nullable`1");
}
private static void SetupSignatureReferences(INameService service, ICollection <ModuleDefMD> modules,
ModuleDef module, GenericInstSig typeSig)
{
SetupSignatureReferences(service, modules, module, typeSig.GenericType);
foreach (var genericArgument in typeSig.GenericArguments)
{
SetupSignatureReferences(service, modules, module, genericArgument);
}
}
public void InitializeFrom(MethodInstances other, GenericInstSig git)
{
foreach (var list in other.methodInstances.Values)
{
foreach (var methodInst in list)
{
var newMethod = GenericArgsSubstitutor.Create(methodInst.methodRef, git);
Add(new MethodInst(methodInst.origMethodDef, newMethod));
}
}
}
GenericInstSig ReadGenericInstanceType(out List <int> genericArgs)
{
var git = new GenericInstSig(ReadTypeSig() as ClassOrValueTypeSig);
int numArgs = ReadVariableLengthInt32();
genericArgs = new List <int>(numArgs);
for (int i = 0; i < numArgs; i++)
{
genericArgs.Add(ReadVariableLengthInt32());
}
return(git);
}
public static IList <TypeSig> ReplaceGenericParameters(GenericInstSig typeOwner, MethodSpec methodOwner, IList <TypeSig> types)
{
if (typeOwner == null && methodOwner == null)
{
return(types);
}
for (int i = 0; i < types.Count; i++)
{
types[i] = GetGenericArgument(typeOwner, methodOwner, types[i]);
}
return(types);
}
static VTable ResolveGenericArgument(TypeDef openType, GenericInstSig genInst, VTable vTable)
{
Debug.Assert(new SigComparer().Equals(openType, vTable.Type));
return(new VTable(genInst,
vTable.Slots.Select(slot => ResolveSlot(openType, (VTableSlot)slot, genInst.GenericArguments))
.ToList(),
vTable.InterfaceSlots.ToDictionary(
iface => GenericArgumentResolver.Resolve(iface.Key, genInst.GenericArguments),
iface => (IReadOnlyList <IVTableSlot>)iface.Value
.Select(slot => ResolveSlot(openType, (VTableSlot)slot, genInst.GenericArguments)).ToList())
));
}
public static MethodSpec create(MethodSpec method, GenericInstSig git)
{
if (method == null || git == null)
{
return(method);
}
var newMethod = create(method.Method, git);
var newInst = create(method.GenericInstMethodSig, git);
bool updated = newMethod != method.Method || newInst != method.GenericInstMethodSig;
return(updated ? new MethodSpecUser(newMethod, newInst) : method);
}
