internal bool RegisterGeneric(TypeSig t)
{
Debug.Assert(t != null, $"{nameof(t)} != null");
// This is a temporary fix.
// Type visibility should be handled in a much better way which would involved some analysis.
var typeDef = t.ToTypeDefOrRef().ResolveTypeDef();
if (typeDef != null && !typeDef.IsVisibleOutside())
{
return(false);
}
// Get proper type.
t = SignatureUtils.GetLeaf(t);
// scrambling voids leads to peverify errors, better leave them out.
if (t.ElementType == ElementType.Void)
{
return(false);
}
if (!Generics.ContainsKey(t))
{
GenericParam newGenericParam;
if (t.IsGenericMethodParameter)
{
var mVar = t.ToGenericMVar();
Debug.Assert(mVar != null, $"{nameof(mVar)} != null");
newGenericParam = new GenericParamUser(GenericCount, mVar.GenericParam.Flags, $"T{GenericCount}")
{
Rid = mVar.Rid
};
}
else if (t.IsGenericTypeParameter)
{
var tVar = t.ToGenericVar();
Debug.Assert(tVar != null, $"{nameof(tVar)} != null");
newGenericParam = new GenericParamUser(GenericCount, tVar.GenericParam.Flags, $"T{GenericCount}")
{
Rid = tVar.Rid
};
}
else
{
newGenericParam = new GenericParamUser(GenericCount, GenericParamAttributes.NoSpecialConstraint, $"T{GenericCount}");
}
Generics.Add(t, newGenericParam);
GenericCount++;
_trueTypes.Add(t);
return(true);
}
else
{
return(false);
}
}
internal GenericSig GetGeneric(TypeSig t)
{
Debug.Assert(t != null, $"{nameof(t)} != null");
t = SignatureUtils.GetLeaf(t);
GenericSig result = null;
if (Generics.TryGetValue(t, out var gp))
{
result = this is ScannedType ? (GenericSig) new GenericVar(gp.Number) : new GenericMVar(gp.Number);
}
return(result);
}
internal TypeSig ConvertToGenericIfAvalible(TypeSig t)
{
Debug.Assert(t != null, $"{nameof(t)} != null");
TypeSig newSig = GetGeneric(t);
if (newSig != null)
{
// Now it may be that the signature contains lots of modifiers and signatures.
// We need to process those... inside out.
newSig = SignatureUtils.CopyModifiers(t, newSig);
}
return(newSig ?? t);
}
internal TypeSig UpdateSignature(TypeSig original)
{
var leaf = SignatureUtils.GetLeaf(original);
if (leaf is TypeDefOrRefSig typeDefSig && typeDefSig.TypeDef != null)
{
var scannedDef = Service.GetItem(typeDefSig.TypeDef);
if (scannedDef?.IsScambled == true)
{
TypeSig newSig = scannedDef.CreateGenericTypeSig(null);
return(SignatureUtils.CopyModifiers(original, newSig));
}
}
return(original);
}
