internal static TypeSig CopyModifiers(TypeSig from, TypeSig to)
{
if (from is NonLeafSig current)
{
// There are additional signatures. Store all of the in a stack and process them one by one.
var sigStack = new Stack <NonLeafSig>();
while (current != null)
{
sigStack.Push(current);
current = current.Next as NonLeafSig;
}
// Now process the entries on the stack one by one.
while (sigStack.Any())
{
current = sigStack.Pop();
if (current is SZArraySig arraySig)
{
to = new ArraySig(to, arraySig.Rank, arraySig.GetSizes(), arraySig.GetLowerBounds());
}
else if (current is ByRefSig)
{
to = new ByRefSig(to);
}
else if (current is CModReqdSig cModReqdSig)
{
to = new CModReqdSig(cModReqdSig.Modifier, to);
}
else if (current is CModOptSig cModOptSig)
{
to = new CModOptSig(cModOptSig.Modifier, to);
}
else if (current is PtrSig)
{
to = new PtrSig(to);
}
else if (current is PinnedSig)
{
to = new PinnedSig(to);
}
else
{
Debug.Fail("Unexpected leaf signature: " + current.GetType().FullName);
}
}
}
return(to);
}
TypeSig ResolveGenericArgs(TypeSig typeSig)
{
if (!recursionCounter.Increment())
{
return(null);
}
if (ReplaceGenericArg(ref typeSig))
{
recursionCounter.Decrement();
return(typeSig);
}
TypeSig result;
switch (typeSig.ElementType)
{
case ElementType.Ptr: result = new PtrSig(ResolveGenericArgs(typeSig.Next)); break;
case ElementType.ByRef: result = new ByRefSig(ResolveGenericArgs(typeSig.Next)); break;
case ElementType.Var: result = new GenericVar((typeSig as GenericVar).Number); break;
case ElementType.ValueArray: result = new ValueArraySig(ResolveGenericArgs(typeSig.Next), (typeSig as ValueArraySig).Size); break;
case ElementType.SZArray: result = new SZArraySig(ResolveGenericArgs(typeSig.Next)); break;
case ElementType.MVar: result = new GenericMVar((typeSig as GenericMVar).Number); break;
case ElementType.CModReqd: result = new CModReqdSig((typeSig as ModifierSig).Modifier, ResolveGenericArgs(typeSig.Next)); break;
case ElementType.CModOpt: result = new CModOptSig((typeSig as ModifierSig).Modifier, ResolveGenericArgs(typeSig.Next)); break;
case ElementType.Module: result = new ModuleSig((typeSig as ModuleSig).Index, ResolveGenericArgs(typeSig.Next)); break;
case ElementType.Pinned: result = new PinnedSig(ResolveGenericArgs(typeSig.Next)); break;
case ElementType.FnPtr: throw new NotSupportedException("FnPtr is not supported.");
case ElementType.Array:
ArraySig arraySig = (ArraySig)typeSig;
List <uint> sizes = new List <uint>(arraySig.Sizes);
List <int> lbounds = new List <int>(arraySig.LowerBounds);
result = new ArraySig(ResolveGenericArgs(typeSig.Next), arraySig.Rank, sizes, lbounds);
break;
case ElementType.GenericInst:
GenericInstSig gis = (GenericInstSig)typeSig;
List <TypeSig> genArgs = new List <TypeSig>(gis.GenericArguments.Count);
foreach (TypeSig ga in gis.GenericArguments)
{
genArgs.Add(ResolveGenericArgs(ga));
}
result = new GenericInstSig(ResolveGenericArgs((TypeSig)gis.GenericType) as ClassOrValueTypeSig, genArgs);
break;
default:
result = typeSig;
break;
}
recursionCounter.Decrement();
return(result);
}
void AddPinnedSig() => TypeSig = new PinnedSig(TypeSig);
TypeSig create2(TypeSig type)
{
if (type == null)
{
return(type);
}
TypeSig result;
GenericSig varSig;
switch (type.ElementType)
{
case ElementType.Void:
case ElementType.Boolean:
case ElementType.Char:
case ElementType.I1:
case ElementType.U1:
case ElementType.I2:
case ElementType.U2:
case ElementType.I4:
case ElementType.U4:
case ElementType.I8:
case ElementType.U8:
case ElementType.R4:
case ElementType.R8:
case ElementType.String:
case ElementType.TypedByRef:
case ElementType.I:
case ElementType.U:
case ElementType.Object:
result = type;
break;
case ElementType.Ptr:
result = new PtrSig(create2(type.Next));
break;
case ElementType.ByRef:
result = new ByRefSig(create2(type.Next));
break;
case ElementType.Array:
var ary = (ArraySig)type;
result = new ArraySig(ary.Next, ary.Rank, ary.Sizes, ary.LowerBounds);
break;
case ElementType.SZArray:
result = new SZArraySig(create2(type.Next));
break;
case ElementType.Pinned:
result = new PinnedSig(create2(type.Next));
break;
case ElementType.ValueType:
case ElementType.Class:
result = type;
break;
case ElementType.Var:
varSig = (GenericSig)type;
if (genericArgs != null && varSig.Number < (uint)genericArgs.Count)
{
result = genericArgs[(int)varSig.Number];
updated = true;
}
else
{
result = type;
}
break;
case ElementType.MVar:
varSig = (GenericSig)type;
if (genericMethodArgs != null && varSig.Number < (uint)genericMethodArgs.Count)
{
result = genericMethodArgs[(int)varSig.Number];
updated = true;
}
else
{
result = type;
}
break;
case ElementType.GenericInst:
var gis = (GenericInstSig)type;
var newGis = new GenericInstSig(create2(gis.GenericType) as ClassOrValueTypeSig, gis.GenericArguments.Count);
for (int i = 0; i < gis.GenericArguments.Count; i++)
{
newGis.GenericArguments.Add(create2(gis.GenericArguments[i]));
}
result = newGis;
break;
case ElementType.ValueArray:
result = new ValueArraySig(type.Next, ((ValueArraySig)type).Size);
break;
case ElementType.Module:
result = new ModuleSig(((ModuleSig)type).Index, type.Next);
break;
case ElementType.CModReqd:
result = new CModReqdSig(((ModifierSig)type).Modifier, type.Next);
break;
case ElementType.CModOpt:
result = new CModOptSig(((ModifierSig)type).Modifier, type.Next);
break;
case ElementType.FnPtr:
result = new FnPtrSig(create(((FnPtrSig)type).MethodSig));
break;
case ElementType.End:
case ElementType.R:
case ElementType.Sentinel:
case ElementType.Internal:
default:
result = type;
break;
}
return(result);
}
/// <summary>
/// Reads the next type
/// </summary>
/// <returns>A new <see cref="TypeSig"/> instance or <c>null</c> if invalid element type</returns>
TypeSig ReadType()
{
if (!recursionCounter.Increment())
{
return(null);
}
uint num, i;
TypeSig nextType, result = null;
switch ((ElementType)reader.ReadByte())
{
case ElementType.Void: result = corLibTypes.Void; break;
case ElementType.Boolean: result = corLibTypes.Boolean; break;
case ElementType.Char: result = corLibTypes.Char; break;
case ElementType.I1: result = corLibTypes.SByte; break;
case ElementType.U1: result = corLibTypes.Byte; break;
case ElementType.I2: result = corLibTypes.Int16; break;
case ElementType.U2: result = corLibTypes.UInt16; break;
case ElementType.I4: result = corLibTypes.Int32; break;
case ElementType.U4: result = corLibTypes.UInt32; break;
case ElementType.I8: result = corLibTypes.Int64; break;
case ElementType.U8: result = corLibTypes.UInt64; break;
case ElementType.R4: result = corLibTypes.Single; break;
case ElementType.R8: result = corLibTypes.Double; break;
case ElementType.String: result = corLibTypes.String; break;
case ElementType.TypedByRef: result = corLibTypes.TypedReference; break;
case ElementType.I: result = corLibTypes.IntPtr; break;
case ElementType.U: result = corLibTypes.UIntPtr; break;
case ElementType.Object: result = corLibTypes.Object; break;
case ElementType.Ptr: result = new PtrSig(ReadType()); break;
case ElementType.ByRef: result = new ByRefSig(ReadType()); break;
case ElementType.ValueType: result = new ValueTypeSig(ReadTypeDefOrRef()); break;
case ElementType.Class: result = new ClassSig(ReadTypeDefOrRef()); break;
case ElementType.FnPtr: result = new FnPtrSig(ReadSig()); break;
case ElementType.SZArray: result = new SZArraySig(ReadType()); break;
case ElementType.CModReqd: result = new CModReqdSig(ReadTypeDefOrRef(), ReadType()); break;
case ElementType.CModOpt: result = new CModOptSig(ReadTypeDefOrRef(), ReadType()); break;
case ElementType.Sentinel: result = new SentinelSig(); break;
case ElementType.Pinned: result = new PinnedSig(ReadType()); break;
case ElementType.Var:
if (!reader.TryReadCompressedUInt32(out num))
{
break;
}
result = new GenericVar(num, gpContext.Type);
break;
case ElementType.MVar:
if (!reader.TryReadCompressedUInt32(out num))
{
break;
}
result = new GenericMVar(num, gpContext.Method);
break;
case ElementType.ValueArray:
nextType = ReadType();
if (!reader.TryReadCompressedUInt32(out num))
{
break;
}
result = new ValueArraySig(nextType, num);
break;
case ElementType.Module:
if (!reader.TryReadCompressedUInt32(out num))
{
break;
}
result = new ModuleSig(num, ReadType());
break;
case ElementType.GenericInst:
nextType = ReadType();
if (!reader.TryReadCompressedUInt32(out num))
{
break;
}
var genericInstSig = new GenericInstSig(nextType as ClassOrValueTypeSig, num);
var args = genericInstSig.GenericArguments;
for (i = 0; i < num; i++)
{
args.Add(ReadType());
}
result = genericInstSig;
break;
case ElementType.Array:
nextType = ReadType();
uint rank;
if (!reader.TryReadCompressedUInt32(out rank))
{
break;
}
if (rank > MaxArrayRank)
{
break;
}
if (rank == 0)
{
result = new ArraySig(nextType, rank);
break;
}
if (!reader.TryReadCompressedUInt32(out num))
{
break;
}
if (num > MaxArrayRank)
{
break;
}
var sizes = new List <uint>((int)num);
for (i = 0; i < num; i++)
{
if (!reader.TryReadCompressedUInt32(out uint size))
{
goto exit;
}
sizes.Add(size);
}
if (!reader.TryReadCompressedUInt32(out num))
{
break;
}
if (num > MaxArrayRank)
{
break;
}
var lowerBounds = new List <int>((int)num);
for (i = 0; i < num; i++)
{
if (!reader.TryReadCompressedInt32(out int size))
{
goto exit;
}
lowerBounds.Add(size);
}
result = new ArraySig(nextType, rank, sizes, lowerBounds);
break;
case ElementType.Internal:
IntPtr address;
if (IntPtr.Size == 4)
{
address = new IntPtr(reader.ReadInt32());
}
else
{
address = new IntPtr(reader.ReadInt64());
}
result = helper.ConvertRTInternalAddress(address);
break;
case ElementType.End:
case ElementType.R:
default:
result = null;
break;
}
exit:
recursionCounter.Decrement();
return(result);
}
// Token: 0x06000231 RID: 561 RVA: 0x0001F4AC File Offset: 0x0001D6AC
private TypeSig ResolveGenericArgs(TypeSig typeSig)
{
if (!this.recursionCounter.Increment())
{
return(null);
}
if (this.ReplaceGenericArg(ref typeSig))
{
this.recursionCounter.Decrement();
return(typeSig);
}
ElementType elementType = typeSig.ElementType;
TypeSig result;
switch (elementType)
{
case ElementType.Ptr:
result = new PtrSig(this.ResolveGenericArgs(typeSig.Next));
goto IL_265;
case ElementType.ByRef:
result = new ByRefSig(this.ResolveGenericArgs(typeSig.Next));
goto IL_265;
case ElementType.ValueType:
case ElementType.Class:
case ElementType.TypedByRef:
case ElementType.I:
case ElementType.U:
case ElementType.R:
case ElementType.Object:
break;
case ElementType.Var:
result = new GenericVar((typeSig as GenericVar).Number);
goto IL_265;
case ElementType.Array:
{
ArraySig arraySig = (ArraySig)typeSig;
List <uint> sizes = new List <uint>(arraySig.Sizes);
List <int> lbounds = new List <int>(arraySig.LowerBounds);
result = new ArraySig(this.ResolveGenericArgs(typeSig.Next), arraySig.Rank, sizes, lbounds);
goto IL_265;
}
case ElementType.GenericInst:
{
GenericInstSig gis = (GenericInstSig)typeSig;
List <TypeSig> genArgs = new List <TypeSig>(gis.GenericArguments.Count);
foreach (TypeSig ga in gis.GenericArguments)
{
genArgs.Add(this.ResolveGenericArgs(ga));
}
result = new GenericInstSig(this.ResolveGenericArgs(gis.GenericType) as ClassOrValueTypeSig, genArgs);
goto IL_265;
}
case ElementType.ValueArray:
result = new ValueArraySig(this.ResolveGenericArgs(typeSig.Next), (typeSig as ValueArraySig).Size);
goto IL_265;
case ElementType.FnPtr:
throw new NotSupportedException("FnPtr is not supported.");
case ElementType.SZArray:
result = new SZArraySig(this.ResolveGenericArgs(typeSig.Next));
goto IL_265;
case ElementType.MVar:
result = new GenericMVar((typeSig as GenericMVar).Number);
goto IL_265;
case ElementType.CModReqd:
result = new CModReqdSig((typeSig as ModifierSig).Modifier, this.ResolveGenericArgs(typeSig.Next));
goto IL_265;
case ElementType.CModOpt:
result = new CModOptSig((typeSig as ModifierSig).Modifier, this.ResolveGenericArgs(typeSig.Next));
goto IL_265;
default:
if (elementType == ElementType.Module)
{
result = new ModuleSig((typeSig as ModuleSig).Index, this.ResolveGenericArgs(typeSig.Next));
goto IL_265;
}
if (elementType == ElementType.Pinned)
{
result = new PinnedSig(this.ResolveGenericArgs(typeSig.Next));
goto IL_265;
}
break;
}
result = typeSig;
IL_265:
this.recursionCounter.Decrement();
return(result);
}
void AddPinnedSig()
{
TypeSig = new PinnedSig(TypeSig);
}