public MethodSpec CopyTo(MethodSpec ms) {
ms.Method = this.Method;
ms.Instantiation = this.Instantiation;
ms.CustomAttributes.Clear();
ms.CustomAttributes.AddRange(this.CustomAttributes);
return ms;
}
protected override CallResult createCallResult(IMethod method, MethodSpec gim, Block block, int callInstrIndex)
{
int methodId;
if (!methodTokenToId.TryGetValue(method.MDToken.ToInt32(), out methodId))
return null;
return new MyCallResult(block, callInstrIndex, methodId, gim);
}
internal static bool ContainsGenericParameter(MethodSpec ms) {
if (ms == null)
return false;
// A normal MethodSpec should always contain generic arguments and thus
// its MethodDef is always a generic method with generic parameters.
return true;
}
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 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;
}
// Returns null if method is not a method we should inline protected abstract CallResult CreateCallResult(IMethod method, MethodSpec gim, Block block, int callInstrIndex);
public object DecryptDouble(MethodDef method, MethodSpec gim, uint magic1, ulong magic2) {
if (!VerifyGenericArg(gim, ElementType.R8))
return null;
var info = decrypters.Find(method);
return info.DecryptDouble(magic1, magic2);
}
public string DecryptString(MethodDef method, MethodSpec gim, uint magic1, ulong magic2) {
if (!VerifyGenericArg(gim, ElementType.String))
return null;
var info = decrypters.Find(method);
return info.DecryptString(magic1, magic2);
}
static bool VerifyGenericArg(MethodSpec gim, ElementType etype) {
if (gim == null)
return false;
var gims = gim.GenericInstMethodSig;
if (gims == null || gims.GenericArguments.Count != 1)
return false;
return gims.GenericArguments[0].GetElementType() == etype;
}
/// <summary>
/// Checks whether it can access a <see cref="MethodSpec"/>
/// </summary>
/// <param name="ms">The method spec</param>
/// <returns><c>true</c> if it has access to it, <c>false</c> if not, and <c>null</c>
/// if we can't determine it (eg. we couldn't resolve a type or input was <c>null</c>)</returns>
public bool? CanAccess(MethodSpec ms) {
if (ms == null)
return null;
var mdr = ms.Method;
var md = mdr as MethodDef;
if (md != null)
return CanAccess(md);
var mr = mdr as MemberRef;
if (mr != null)
return CanAccess(mr);
return null;
}
public MyCallResult(Block block, int callEndIndex, IMethod method, MethodSpec gim)
: base(block, callEndIndex)
{
this.IMethod = method;
this.gim = gim;
}
protected override CallResult createCallResult(IMethod method, MethodSpec gim, Block block, int callInstrIndex)
{
if (stringDecrypters.find(method) == null)
return null;
return new MyCallResult(block, callInstrIndex, method, gim);
}
/// <summary>
/// Imports a <see cref="MethodSpec"/>
/// </summary>
/// <param name="method">The method</param>
/// <returns>The imported method or <c>null</c> if <paramref name="method"/> is invalid</returns>
public MethodSpec Import(MethodSpec method)
{
return(new Importer(this).Import(method));
}
void Add(MethodSpec ms)
{
if (ms == null || methodSpecs.ContainsKey(ms))
return;
if (ms.Method != null && ms.Method.DeclaringType != null && ms.Method.DeclaringType.Module != validModule)
return;
methodSpecs[ms] = true;
Push(ms.Method);
Add(ms.Instantiation);
Add(ms.CustomAttributes);
}
public MethodSpecOptions(MethodSpec ms)
{
this.Method = ms.Method;
this.Instantiation = ms.Instantiation;
this.CustomAttributes.AddRange(ms.CustomAttributes);
}
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;
}
