void AddCModReqdSig()
{
var type = GetTypeSig();
if (type != null)
{
TypeSig = new CModReqdSig(type.ToTypeDefOrRef(), TypeSig);
}
}
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);
}
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);
}
private static TypeSig ReplaceGenericSigImpl(TypeSig tySig, IGenericReplacer replacer)
{
if (tySig == null)
{
return(null);
}
switch (tySig.ElementType)
{
case ElementType.Class:
case ElementType.ValueType:
case ElementType.TypedByRef:
return(tySig);
case ElementType.Ptr:
return(new PtrSig(ReplaceGenericSigImpl(tySig.Next, replacer)));
case ElementType.ByRef:
return(new ByRefSig(ReplaceGenericSigImpl(tySig.Next, replacer)));
case ElementType.Pinned:
return(new PinnedSig(ReplaceGenericSigImpl(tySig.Next, replacer)));
case ElementType.SZArray:
return(new SZArraySig(ReplaceGenericSigImpl(tySig.Next, replacer)));
case ElementType.Array:
{
ArraySig arySig = (ArraySig)tySig;
return(new ArraySig(ReplaceGenericSigImpl(arySig.Next, replacer),
arySig.Rank,
arySig.Sizes,
arySig.LowerBounds));
}
case ElementType.CModReqd:
{
CModReqdSig modreqdSig = (CModReqdSig)tySig;
return(new CModReqdSig(modreqdSig.Modifier, ReplaceGenericSigImpl(modreqdSig.Next, replacer)));
}
case ElementType.CModOpt:
{
CModOptSig modoptSig = (CModOptSig)tySig;
return(new CModOptSig(modoptSig.Modifier, ReplaceGenericSigImpl(modoptSig.Next, replacer)));
}
case ElementType.GenericInst:
{
GenericInstSig genInstSig = (GenericInstSig)tySig;
return(new GenericInstSig(genInstSig.GenericType, ReplaceGenericSigListImpl(genInstSig.GenericArguments, replacer)));
}
case ElementType.Var:
{
GenericVar genVarSig = (GenericVar)tySig;
TypeSig result = replacer.Replace(genVarSig);
if (result != null)
{
return(result);
}
return(genVarSig);
}
case ElementType.MVar:
{
GenericMVar genMVarSig = (GenericMVar)tySig;
TypeSig result = replacer.Replace(genMVarSig);
if (result != null)
{
return(result);
}
return(genMVarSig);
}
default:
if (tySig is CorLibTypeSig)
{
return(tySig);
}
throw new NotSupportedException();
}
}
public string GetTypeName(TypeSig tySig, bool hasVolatile = true)
{
switch (tySig.ElementType)
{
case ElementType.Void:
return("void");
case ElementType.Boolean:
return("uint8_t");
case ElementType.Char:
return("uint16_t");
case ElementType.I1:
return("int8_t");
case ElementType.I2:
return("int16_t");
case ElementType.I4:
return("int32_t");
case ElementType.I8:
return("int64_t");
case ElementType.U1:
return("uint8_t");
case ElementType.U2:
return("uint16_t");
case ElementType.U4:
return("uint32_t");
case ElementType.U8:
return("uint64_t");
case ElementType.R4:
return("float");
case ElementType.R8:
return("double");
case ElementType.I:
return("intptr_t");
case ElementType.U:
return("uintptr_t");
case ElementType.Ptr:
case ElementType.ByRef:
return(GetTypeName(tySig.Next) + '*');
case ElementType.Object:
return("cls_Object*");
case ElementType.Class:
case ElementType.ValueType:
case ElementType.TypedByRef:
case ElementType.GenericInst:
case ElementType.SZArray:
case ElementType.Array:
case ElementType.String:
{
if (Helper.IsEnumType(tySig, out var enumTySig))
{
return(GetTypeName(enumTySig));
}
bool isValueType = tySig.IsValueType;
TypeX tyX = GetTypeBySig(tySig);
if (tyX == null)
{
if (isValueType)
{
return("il2cppDummy");
}
else
{
return("cls_Object*");
}
}
return("struct " +
GetTypeName(tyX) +
(isValueType ? null : "*"));
}
case ElementType.Pinned:
return(GetTypeName(tySig.Next));
case ElementType.CModReqd:
{
CModReqdSig modReqdSig = (CModReqdSig)tySig;
string strMod = null;
if (hasVolatile &&
modReqdSig.Modifier.FullName == "System.Runtime.CompilerServices.IsVolatile")
{
strMod = "volatile ";
}
return(strMod + GetTypeName(tySig.Next));
}
case ElementType.CModOpt:
{
CModOptSig modOptSig = (CModOptSig)tySig;
return(GetTypeName(tySig.Next));
}
}
throw new NotImplementedException(tySig.ElementType.ToString());
}
// 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);
}
bool ReadCore(out TypeSig type, out object value)
{
if (!recursionCounter.Increment())
{
type = null;
value = null;
return(false);
}
bool res;
ITypeDefOrRef tdr;
UTF8String ns, name;
var et = (ElementType)reader.ReadByte();
switch (et)
{
case ElementType.Boolean:
type = module.CorLibTypes.Boolean;
value = reader.ReadBoolean();
if (reader.Position < reader.Length)
{
type = ReadTypeDefOrRefSig();
}
res = true;
break;
case ElementType.Char:
type = module.CorLibTypes.Char;
value = reader.ReadChar();
if (reader.Position < reader.Length)
{
type = ReadTypeDefOrRefSig();
}
res = true;
break;
case ElementType.I1:
type = module.CorLibTypes.SByte;
value = reader.ReadSByte();
if (reader.Position < reader.Length)
{
type = ReadTypeDefOrRefSig();
}
res = true;
break;
case ElementType.U1:
type = module.CorLibTypes.Byte;
value = reader.ReadByte();
if (reader.Position < reader.Length)
{
type = ReadTypeDefOrRefSig();
}
res = true;
break;
case ElementType.I2:
type = module.CorLibTypes.Int16;
value = reader.ReadInt16();
if (reader.Position < reader.Length)
{
type = ReadTypeDefOrRefSig();
}
res = true;
break;
case ElementType.U2:
type = module.CorLibTypes.UInt16;
value = reader.ReadUInt16();
if (reader.Position < reader.Length)
{
type = ReadTypeDefOrRefSig();
}
res = true;
break;
case ElementType.I4:
type = module.CorLibTypes.Int32;
value = reader.ReadInt32();
if (reader.Position < reader.Length)
{
type = ReadTypeDefOrRefSig();
}
res = true;
break;
case ElementType.U4:
type = module.CorLibTypes.UInt32;
value = reader.ReadUInt32();
if (reader.Position < reader.Length)
{
type = ReadTypeDefOrRefSig();
}
res = true;
break;
case ElementType.I8:
type = module.CorLibTypes.Int64;
value = reader.ReadInt64();
if (reader.Position < reader.Length)
{
type = ReadTypeDefOrRefSig();
}
res = true;
break;
case ElementType.U8:
type = module.CorLibTypes.UInt64;
value = reader.ReadUInt64();
if (reader.Position < reader.Length)
{
type = ReadTypeDefOrRefSig();
}
res = true;
break;
case ElementType.R4:
type = module.CorLibTypes.Single;
value = reader.ReadSingle();
res = true;
break;
case ElementType.R8:
type = module.CorLibTypes.Double;
value = reader.ReadDouble();
res = true;
break;
case ElementType.String:
type = module.CorLibTypes.String;
value = ReadString();
res = true;
break;
case ElementType.Ptr:
res = ReadCatch(out type, out value);
if (res)
{
type = new PtrSig(type);
}
break;
case ElementType.ByRef:
res = ReadCatch(out type, out value);
if (res)
{
type = new ByRefSig(type);
}
break;
case ElementType.Object:
type = module.CorLibTypes.Object;
value = null;
res = true;
break;
case ElementType.ValueType:
tdr = ReadTypeDefOrRef();
type = tdr.ToTypeSig();
value = null;
if (GetName(tdr, out ns, out name) && ns == stringSystem && tdr.DefinitionAssembly.IsCorLib())
{
if (name == stringDecimal)
{
if (reader.Length - reader.Position != 13)
{
goto default;
}
try {
byte b = reader.ReadByte();
value = new Decimal(reader.ReadInt32(), reader.ReadInt32(), reader.ReadInt32(), (b & 0x80) != 0, (byte)(b & 0x7F));
}
catch {
goto default;
}
}
else if (name == stringDateTime)
{
if (reader.Length - reader.Position != 8)
{
goto default;
}
try {
value = new DateTime(reader.ReadInt64());
}
catch {
goto default;
}
}
}
if (value == null && reader.Position != reader.Length)
{
value = reader.ReadRemainingBytes();
}
res = true;
break;
case ElementType.Class:
type = new ClassSig(ReadTypeDefOrRef());
value = reader.Position == reader.Length ? null : reader.ReadRemainingBytes();
res = true;
break;
case ElementType.CModReqd:
tdr = ReadTypeDefOrRef();
res = ReadCatch(out type, out value);
if (res)
{
type = new CModReqdSig(tdr, type);
}
break;
case ElementType.CModOpt:
tdr = ReadTypeDefOrRef();
res = ReadCatch(out type, out value);
if (res)
{
type = new CModOptSig(tdr, type);
}
break;
case ElementType.Var:
case ElementType.Array:
case ElementType.GenericInst:
case ElementType.TypedByRef:
case ElementType.I:
case ElementType.U:
case ElementType.FnPtr:
case ElementType.SZArray:
case ElementType.MVar:
case ElementType.End:
case ElementType.Void:
case ElementType.ValueArray:
case ElementType.R:
case ElementType.Internal:
case ElementType.Module:
case ElementType.Sentinel:
case ElementType.Pinned:
default:
Debug.Fail("Unsupported element type in LocalConstant sig blob: " + et.ToString());
res = false;
type = null;
value = null;
break;
}
recursionCounter.Decrement();
return(res);
}
public TypeSig Duplicate(TypeSig typeSig)
{
if (!IsDuplicateNeeded(typeSig))
{
return(typeSig);
}
switch (typeSig.ElementType)
{
case ElementType.Class:
case ElementType.ValueType:
return(typeSig);
case ElementType.Ptr:
return(new PtrSig(Duplicate(typeSig.Next)));
case ElementType.ByRef:
return(new ByRefSig(Duplicate(typeSig.Next)));
case ElementType.SZArray:
return(new SZArraySig(Duplicate(typeSig.Next)));
case ElementType.Pinned:
return(new PinnedSig(Duplicate(typeSig.Next)));
case ElementType.Array:
{
ArraySig arySig = (ArraySig)typeSig;
return(new ArraySig(Duplicate(arySig.Next), arySig.Rank, Duplicate(arySig.Sizes), Duplicate(arySig.LowerBounds)));
}
case ElementType.Var:
{
GenericVar genVar = (GenericVar)typeSig;
TypeSig result = GenReplacer.Replace(genVar);
if (result != null)
{
return(result);
}
return(new GenericVar(genVar.Number, genVar.OwnerType));
}
case ElementType.MVar:
{
GenericMVar genMVar = (GenericMVar)typeSig;
TypeSig result = GenReplacer.Replace(genMVar);
if (result != null)
{
return(result);
}
return(new GenericMVar(genMVar.Number, genMVar.OwnerMethod));
}
case ElementType.GenericInst:
{
GenericInstSig genSig = (GenericInstSig)typeSig;
return(new GenericInstSig(genSig.GenericType, Duplicate(genSig.GenericArguments)));
}
case ElementType.CModReqd:
{
CModReqdSig modreq = (CModReqdSig)typeSig;
return(new CModReqdSig(modreq.Modifier, Duplicate(modreq.Next)));
}
case ElementType.CModOpt:
{
CModOptSig modopt = (CModOptSig)typeSig;
return(new CModOptSig(modopt.Modifier, Duplicate(modopt.Next)));
}
default:
if (typeSig is CorLibTypeSig)
{
return(typeSig);
}
throw new ArgumentOutOfRangeException("Duplicate TypeSig " + typeSig.GetType().Name);
}
}
private static void PrettyName(StringBuilder sb, TypeSig typeSig, bool prettyBaseType)
{
if (typeSig == null)
{
return;
}
switch (typeSig.ElementType)
{
case ElementType.Class:
case ElementType.ValueType:
sb.Append(SigPrettyName(typeSig, prettyBaseType));
return;
case ElementType.Ptr:
PrettyName(sb, typeSig.Next, prettyBaseType);
sb.Append('*');
return;
case ElementType.ByRef:
PrettyName(sb, typeSig.Next, prettyBaseType);
sb.Append('&');
return;
case ElementType.SZArray:
PrettyName(sb, typeSig.Next, prettyBaseType);
sb.Append("[]");
return;
case ElementType.Pinned:
PrettyName(sb, typeSig.Next, prettyBaseType);
return;
case ElementType.Array:
{
PrettyName(sb, typeSig.Next, prettyBaseType);
ArraySig arraySig = (ArraySig)typeSig;
sb.Append('[');
uint rank = arraySig.Rank;
if (rank == 0)
{
throw new NotSupportedException();
}
else if (rank == 1)
{
sb.Append('*');
}
else
{
for (int i = 0; i < (int)rank; i++)
{
if (i != 0)
{
sb.Append(',');
}
const int NO_LOWER = int.MinValue;
const uint NO_SIZE = uint.MaxValue;
int lower = arraySig.LowerBounds.Get(i, NO_LOWER);
uint size = arraySig.Sizes.Get(i, NO_SIZE);
if (lower != NO_LOWER)
{
sb.Append(lower);
sb.Append("..");
if (size != NO_SIZE)
{
sb.Append(lower + (int)size - 1);
}
else
{
sb.Append('.');
}
}
}
}
sb.Append(']');
return;
}
case ElementType.Var:
case ElementType.MVar:
{
var gs = (GenericSig)typeSig;
sb.Append(gs.IsMethodVar ? "!!" : "!");
sb.Append(gs.Number);
return;
}
case ElementType.GenericInst:
{
GenericInstSig genSig = (GenericInstSig)typeSig;
sb.Append(SigPrettyName(genSig.GenericType, prettyBaseType));
sb.Append('<');
bool last = false;
foreach (var arg in genSig.GenericArguments)
{
if (last)
{
sb.Append(',');
}
last = true;
PrettyName(sb, arg, prettyBaseType);
}
sb.Append('>');
return;
}
case ElementType.CModReqd:
{
PrettyName(sb, typeSig.Next, prettyBaseType);
CModReqdSig modreq = (CModReqdSig)typeSig;
sb.AppendFormat(" modreq({0})", modreq.Modifier.FullName);
return;
}
case ElementType.CModOpt:
{
PrettyName(sb, typeSig.Next, prettyBaseType);
CModOptSig modopt = (CModOptSig)typeSig;
sb.AppendFormat(" modopt({0})", modopt.Modifier.FullName);
return;
}
default:
if (typeSig is CorLibTypeSig corTypeSig)
{
sb.Append(SigPrettyName(corTypeSig, prettyBaseType));
return;
}
throw new ArgumentOutOfRangeException("PrettyName " + typeSig.GetType().Name);
}
}