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);
}
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);
}
public TypeSig GetThisTypeSig()
{
TypeSig thisSig = GetTypeSig();
if (IsValueType)
{
thisSig = new ByRefSig(thisSig);
}
return(thisSig);
}
/// <summary>
/// Tries to relocate the <see cref="ByRefSig"/>.
/// </summary>
/// <param name="byRefSig">The by reference sig.</param>
/// <returns></returns>
protected virtual TypeSig TryRelocateByRef(ByRefSig byRefSig)
{
var innerTypeSig = TryRelocateTypeSig(byRefSig.Next);
if (innerTypeSig == null)
{
return(null);
}
return(new ByRefSig(innerTypeSig));
}
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);
}
/// <summary>
/// Apply ByRef or Ptr "modifiers" to a TypeSig depending on the given modifiers
/// stack.
/// </summary>
/// <param name="typeSig">TypeSig</param>
/// <param name="modifiers">Modifiers stack</param>
/// <returns>TypeSig</returns>
TypeSig FixTypeAsRefOrPointer(TypeSig typeSig, Stack <String> modifiers)
{
while (modifiers.Count > 0 &&
(modifiers.Peek().Equals("*") || modifiers.Peek().Equals("&")))
{
if (modifiers.Pop().Equals("*")) // Pointer
{
typeSig = new PtrSig(typeSig);
}
else // ByRef
{
typeSig = new ByRefSig(typeSig);
}
}
return(typeSig);
}
/// <summary>
/// Apply a series of modifiers ("[]", "*", "&") to a base TypeSig.
/// </summary>
/// <param name="baseSig">Base TypeSig</param>
/// <param name="modifiers">Modifier strings</param>
/// <returns>TypeSig</returns>
public static TypeSig FromBaseSig(TypeSig baseSig, Stack <String> modifiers)
{
String mod;
while (modifiers.Count > 0)
{
mod = modifiers.Pop();
switch (mod)
{
case "[]": baseSig = new SZArraySig(baseSig); break;
case "*": baseSig = new PtrSig(baseSig); break;
case "&": baseSig = new ByRefSig(baseSig); break;
default:
throw new Exception(String.Format("Unknown modifier: {0}", mod));
}
}
return(baseSig);
}
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 AddByRefSig() => TypeSig = new ByRefSig(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);
}
static void AppendTypeName(StringBuilder b, TypeSig type)
{
if (type == null)
{
// could happen when a TypeSpecification has no ElementType; e.g. function pointers in C++/CLI assemblies
return;
}
if (type is GenericInstSig)
{
GenericInstSig giType = (GenericInstSig)type;
AppendTypeNameWithArguments(b, giType.GenericType == null ? null : giType.GenericType.TypeDefOrRef, giType.GenericArguments);
return;
}
ArraySigBase arrayType = type as ArraySigBase;
if (arrayType != null)
{
AppendTypeName(b, arrayType.Next);
b.Append('[');
var lowerBounds = arrayType.GetLowerBounds();
var sizes = arrayType.GetSizes();
for (int i = 0; i < arrayType.Rank; i++)
{
if (i > 0)
{
b.Append(',');
}
if (i < lowerBounds.Count && i < sizes.Count)
{
b.Append(lowerBounds[i]);
b.Append(':');
b.Append(sizes[i] + lowerBounds[i] - 1);
}
}
b.Append(']');
return;
}
ByRefSig refType = type as ByRefSig;
if (refType != null)
{
AppendTypeName(b, refType.Next);
b.Append('@');
return;
}
PtrSig ptrType = type as PtrSig;
if (ptrType != null)
{
AppendTypeName(b, ptrType.Next);
b.Append('*');
return;
}
GenericSig gp = type as GenericSig;
if (gp != null)
{
b.Append('`');
if (gp.IsMethodVar)
{
b.Append('`');
}
b.Append(gp.Number);
}
else
{
var typeRef = type.ToTypeDefOrRef();
if (typeRef.DeclaringType != null)
{
AppendTypeName(b, typeRef.DeclaringType.ToTypeSig());
b.Append('.');
b.Append(typeRef.Name);
}
else
{
b.Append(type.FullName);
}
}
}
// 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 IntroducePropertyAccessInstructions(ILExpression expr, ILExpression parentExpr, int posInParent)
{
if (expr.Code == ILCode.Call || expr.Code == ILCode.Callvirt)
{
IMethod method = (IMethod)expr.Operand;
var declType = method.DeclaringType as dnlib.DotNet.TypeSpec;
if (declType != null && (declType.TypeSig is ArraySig || declType.TypeSig is SZArraySig))
{
switch (method.Name)
{
case "Get":
expr.Code = ILCode.CallGetter;
break;
case "Set":
expr.Code = ILCode.CallSetter;
break;
case "Address":
ByRefSig brt = method.MethodSig.RetType as ByRefSig;
if (brt != null)
{
IMethod getMethod = new MemberRefUser(method.Module, "Get", method.MethodSig.Clone());
getMethod.MethodSig.RetType = declType.TypeSig;
expr.Operand = getMethod;
}
expr.Code = ILCode.CallGetter;
if (parentExpr != null)
{
parentExpr.Arguments[posInParent] = new ILExpression(ILCode.AddressOf, null, expr);
}
break;
}
}
else
{
MethodDef methodDef = method.Resolve();
if (methodDef != null)
{
if (methodDef.IsGetter())
{
expr.Code = (expr.Code == ILCode.Call) ? ILCode.CallGetter : ILCode.CallvirtGetter;
}
else if (methodDef.IsSetter())
{
expr.Code = (expr.Code == ILCode.Call) ? ILCode.CallSetter : ILCode.CallvirtSetter;
}
}
}
}
else if (expr.Code == ILCode.Newobj && expr.Arguments.Count == 2)
{
// Might be 'newobj(SomeDelegate, target, ldvirtftn(F, target))'.
ILVariable target;
if (expr.Arguments[0].Match(ILCode.Ldloc, out target) &&
expr.Arguments[1].Code == ILCode.Ldvirtftn &&
expr.Arguments[1].Arguments.Count == 1 &&
expr.Arguments[1].Arguments[0].MatchLdloc(target))
{
// Remove the 'target' argument from the ldvirtftn instruction.
// It's not needed in the translation to C#, and needs to be eliminated so that the target expression
// can be inlined.
expr.Arguments[1].Arguments.Clear();
}
}
}
void AddByRefSig()
{
TypeSig = new ByRefSig(TypeSig);
}
static void AppendTypeName(StringBuilder b, TypeSig type)
{
if (type == null)
{
return;
}
if (type is GenericInstSig)
{
GenericInstSig giType = (GenericInstSig)type;
AppendTypeNameWithArguments(b, giType.GenericType == null ? null : giType.GenericType.TypeDefOrRef, giType.GenericArguments);
return;
}
ArraySigBase arrayType = type as ArraySigBase;
if (arrayType != null)
{
AppendTypeName(b, arrayType.Next);
b.Append('[');
var lowerBounds = arrayType.GetLowerBounds();
var sizes = arrayType.GetSizes();
for (int i = 0; i < arrayType.Rank; i++)
{
if (i > 0)
{
b.Append(',');
}
if (i < lowerBounds.Count && i < sizes.Count)
{
b.Append(lowerBounds[i]);
b.Append(':');
b.Append(sizes[i] + lowerBounds[i] - 1);
}
}
b.Append(']');
return;
}
ByRefSig refType = type as ByRefSig;
if (refType != null)
{
AppendTypeName(b, refType.Next);
b.Append('@');
return;
}
PtrSig ptrType = type as PtrSig;
if (ptrType != null)
{
AppendTypeName(b, ptrType.Next);
b.Append('*');
return;
}
GenericSig gp = type as GenericSig;
if (gp != null)
{
b.Append('`');
if (gp.IsMethodVar)
{
b.Append('`');
}
b.Append(gp.Number);
}
else
{
var typeRef = type.ToTypeDefOrRef();
if (typeRef.DeclaringType != null)
{
AppendTypeName(b, typeRef.DeclaringType.ToTypeSig());
b.Append('.');
b.Append(typeRef.Name);
}
else
{
FullNameCreator.FullNameSB(type, false, null, null, null, b);
}
}
}
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);
}
static void AppendTypeName(StringBuilder b, TypeSig type)
{
if (type == null)
{
// could happen when a TypeSpecification has no ElementType; e.g. function pointers in C++/CLI assemblies
return;
}
if (type is GenericInstSig)
{
GenericInstSig giType = (GenericInstSig)type;
AppendTypeNameWithArguments(b, giType.GenericType.TypeDefOrRef, giType.GenericArguments);
return;
}
SZArraySig arrayType = type as SZArraySig; // TODO: multi-dimensional array
if (arrayType != null)
{
AppendTypeName(b, arrayType.Next);
b.Append("[]");
}
ByRefSig refType = type as ByRefSig;
if (refType != null)
{
AppendTypeName(b, refType.Next);
b.Append('@');
}
PtrSig ptrType = type as PtrSig;
if (ptrType != null)
{
AppendTypeName(b, ptrType.Next);
b.Append('*');
}
GenericSig gp = type as GenericSig;
if (gp != null)
{
b.Append('`');
if (gp.IsMethodVar)
{
b.Append('`');
}
b.Append(gp.Number);
}
else
{
var typeRef = type.ToTypeDefOrRef();
var declType = Decompiler.DnlibExtensions.GetDeclaringType(typeRef);
if (declType != null)
{
AppendTypeName(b, declType.ToTypeSig());
b.Append('.');
b.Append(typeRef.Name);
}
else
{
b.Append(type.FullName);
}
}
}
