public static TypeSig Read(ReaderContext ctxt, BlobReader reader)
{
var tag = (TypeSigTag)reader.ReadCompressedUInt32();
var res = default(TypeSig);
switch (tag)
{
case TypeSigTag.END:
return null;
case TypeSigTag.SENTINEL:
res = new SentinelPsuedoTypeSig();
break;
case TypeSigTag.PINNED:
res = new PinnedPsuedoTypeSig();
break;
case TypeSigTag.VOID:
case TypeSigTag.BOOLEAN:
case TypeSigTag.CHAR:
case TypeSigTag.I1:
case TypeSigTag.U1:
case TypeSigTag.I2:
case TypeSigTag.U2:
case TypeSigTag.I4:
case TypeSigTag.U4:
case TypeSigTag.I8:
case TypeSigTag.U8:
case TypeSigTag.R4:
case TypeSigTag.R8:
case TypeSigTag.STRING:
case TypeSigTag.I:
case TypeSigTag.U:
case TypeSigTag.OBJECT:
case TypeSigTag.SYSTYPE_ARGUMENT: // NOTE: Not mentioned in spec...
case TypeSigTag.TYPEDBYREF:
res = new PrimitiveTypeSig { PrimitiveType = PrimitiveTypeSig.FromTag(tag) };
break;
case TypeSigTag.PTR:
res = new UnmanagedPointerTypeSig();
break;
case TypeSigTag.BYREF:
res = new ManagedPointerTypeSig();
break;
case TypeSigTag.SZARRAY:
res = new ArrayTypeSig();
break;
case TypeSigTag.ARRAY:
res = new MultiDimArrayTypeSig();
break;
case TypeSigTag.VALUETYPE:
case TypeSigTag.CLASS:
res = new TypeDefOrRefSig { IsValueType = tag == TypeSigTag.VALUETYPE };
break;
case TypeSigTag.CMOD_REQD:
case TypeSigTag.CMOD_OPT:
res = new CustomModPseudoTypeSig { IsRequired = tag == TypeSigTag.CMOD_REQD };
break;
case TypeSigTag.VAR:
res = new TypeParameterTypeSig();
break;
case TypeSigTag.GENERICINST:
res = new ApplicationTypeSig();
break;
case TypeSigTag.MVAR:
res = new MethodParameterTypeSig();
break;
case TypeSigTag.FNPTR:
res = new FunctionPointerTypeSig();
break;
case TypeSigTag.INTERNAL:
case TypeSigTag.RESERVED:
throw new PEException("unimplemented type tag");
case TypeSigTag.CUSTOM_ATTRIBUTE_BOXED_ARGUMENT:
case TypeSigTag.CUSTOM_ATTRIBUTE_FIELD:
case TypeSigTag.CUSTOM_ATTRIBUTE_PROPERTY:
case TypeSigTag.CUSTOM_ATTRIBUTE_ENUM:
throw new PEException("unexpected custom attribute in type");
default:
throw new PEException("unrecognised type tag");
}
res.ReadRest(ctxt, reader);
return res;
}
private PE.TypeSig TypeSigFromTypeRef(DllSaveContext ctxt, TypeRef typeRef)
{
if (typeRef.Equals(rootEnv.Global.TypedReferenceRef))
{
return new PE.PrimitiveTypeSig {
PrimitiveType = PE.PrimitiveType.TypedRef
}
}
;
else
{
var tyconEnv = typeRef.EnterConstructor(rootEnv);
switch (tyconEnv.Type.Flavor)
{
case TypeDefFlavor.Pointer:
{
var p = (PointerTypeDef)tyconEnv.Type;
switch (p.PointerFlavor)
{
case PointerFlavor.Unmanaged:
return(new PE.UnmanagedPointerTypeSig {
ElementType = TypeWithCustomModsFromTypeRef(ctxt, typeRef.Arguments[0])
});
case PointerFlavor.Managed:
return(new PE.ManagedPointerTypeSig {
ElementType = TypeSigFromTypeRef(ctxt, typeRef.Arguments[0])
});
default:
throw new ArgumentOutOfRangeException();
}
}
case TypeDefFlavor.CodePointer:
{
var p = (CodePointerTypeDef)tyconEnv.Type;
switch (p.CodePointerFlavor)
{
case CodePointerFlavor.Function:
throw new NotImplementedException();
case CodePointerFlavor.Action:
throw new NotImplementedException();
default:
throw new ArgumentOutOfRangeException();
}
break;
}
case TypeDefFlavor.Array:
return(new PE.ArrayTypeSig {
ElementType = TypeWithCustomModsFromTypeRef(ctxt, typeRef.Arguments[0])
});
case TypeDefFlavor.MultiDimArray:
{
var a = (MultiDimArrayTypeDef)tyconEnv.Type;
return(new PE.MultiDimArrayTypeSig
{
ElementType = TypeSigFromTypeRef(ctxt, typeRef.Arguments[0]),
Rank = a.Rank,
LoBounds = a.Bounds.LoBounds(),
Sizes = a.Bounds.Sizes()
});
}
case TypeDefFlavor.Box:
throw new InvalidOperationException("unexpected box type");
case TypeDefFlavor.Null:
throw new InvalidOperationException("unexpected null type");
case TypeDefFlavor.Parameter:
{
var p = (ParameterTypeDef)tyconEnv.Type;
switch (p.ParameterFlavor)
{
case ParameterFlavor.Type:
return(new PE.TypeParameterTypeSig {
Index = p.Index
});
case ParameterFlavor.Method:
return(new PE.MethodParameterTypeSig {
Index = p.Index
});
default:
throw new ArgumentOutOfRangeException();
}
}
case TypeDefFlavor.Handle:
case TypeDefFlavor.Nullable:
case TypeDefFlavor.Enum:
case TypeDefFlavor.Struct:
{
var applicand = new PE.TypeDefOrRefSig
{
IsValueType = true,
TypeDefOrRef = { Value = TypeDefOrRefRowFromQualifiedTypeName(ctxt, typeRef.QualifiedTypeName) }
};
if (typeRef.Arguments.Count > 0)
{
return new PE.ApplicationTypeSig
{
Applicand = applicand,
Arguments = typeRef.Arguments.Select(t => TypeSigFromTypeRef(ctxt, t)).ToSeq()
}
}
;
else
{
return(applicand);
}
}
case TypeDefFlavor.Void:
return(new PE.PrimitiveTypeSig {
PrimitiveType = PE.PrimitiveType.Void
});
case TypeDefFlavor.Number:
{
var n = (NumberTypeDef)tyconEnv.Type;
var p = default(PE.PrimitiveType);
switch (n.NumberFlavor)
{
case NumberFlavor.Int8:
p = PE.PrimitiveType.Int8;
break;
case NumberFlavor.Int16:
p = PE.PrimitiveType.Int16;
break;
case NumberFlavor.Int32:
p = PE.PrimitiveType.Int32;
break;
case NumberFlavor.Int64:
p = PE.PrimitiveType.Int64;
break;
case NumberFlavor.IntNative:
p = PE.PrimitiveType.IntNative;
break;
case NumberFlavor.UInt8:
p = PE.PrimitiveType.UInt8;
break;
case NumberFlavor.UInt16:
p = PE.PrimitiveType.UInt16;
break;
case NumberFlavor.UInt32:
p = PE.PrimitiveType.UInt32;
break;
case NumberFlavor.UInt64:
p = PE.PrimitiveType.UInt64;
break;
case NumberFlavor.UIntNative:
p = PE.PrimitiveType.UIntNative;
break;
case NumberFlavor.Single:
p = PE.PrimitiveType.Single;
break;
case NumberFlavor.Double:
p = PE.PrimitiveType.Double;
break;
case NumberFlavor.Boolean:
p = PE.PrimitiveType.Boolean;
break;
case NumberFlavor.Char:
p = PE.PrimitiveType.Char;
break;
default:
throw new ArgumentOutOfRangeException();
}
return(new PE.PrimitiveTypeSig {
PrimitiveType = p
});
}
case TypeDefFlavor.Delegate:
case TypeDefFlavor.Class:
case TypeDefFlavor.Interface:
case TypeDefFlavor.GenericIEnumerable:
{
var applicand = new PE.TypeDefOrRefSig
{
IsValueType = false,
TypeDefOrRef = { Value = TypeDefOrRefRowFromQualifiedTypeName(ctxt, typeRef.QualifiedTypeName) }
};
if (typeRef.Arguments.Count > 0)
{
return new PE.ApplicationTypeSig
{
Applicand = applicand,
Arguments = typeRef.Arguments.Select(t => TypeSigFromTypeRef(ctxt, t)).ToSeq()
}
}
;
else
{
return(applicand);
}
}
case TypeDefFlavor.Object:
return(new PE.PrimitiveTypeSig {
PrimitiveType = PE.PrimitiveType.Object
});
case TypeDefFlavor.String:
return(new PE.PrimitiveTypeSig {
PrimitiveType = PE.PrimitiveType.String
});
default:
throw new ArgumentOutOfRangeException();
}
}
}
private PE.TypeSig TypeSigFromTypeRef(DllSaveContext ctxt, TypeRef typeRef)
{
if (typeRef.Equals(rootEnv.Global.TypedReferenceRef))
return new PE.PrimitiveTypeSig { PrimitiveType = PE.PrimitiveType.TypedRef };
else
{
var tyconEnv = typeRef.EnterConstructor(rootEnv);
switch (tyconEnv.Type.Flavor)
{
case TypeDefFlavor.Pointer:
{
var p = (PointerTypeDef)tyconEnv.Type;
switch (p.PointerFlavor)
{
case PointerFlavor.Unmanaged:
return new PE.UnmanagedPointerTypeSig { ElementType = TypeWithCustomModsFromTypeRef(ctxt, typeRef.Arguments[0]) };
case PointerFlavor.Managed:
return new PE.ManagedPointerTypeSig { ElementType = TypeSigFromTypeRef(ctxt, typeRef.Arguments[0]) };
default:
throw new ArgumentOutOfRangeException();
}
}
case TypeDefFlavor.CodePointer:
{
var p = (CodePointerTypeDef)tyconEnv.Type;
switch (p.CodePointerFlavor)
{
case CodePointerFlavor.Function:
throw new NotImplementedException();
case CodePointerFlavor.Action:
throw new NotImplementedException();
default:
throw new ArgumentOutOfRangeException();
}
break;
}
case TypeDefFlavor.Array:
return new PE.ArrayTypeSig { ElementType = TypeWithCustomModsFromTypeRef(ctxt, typeRef.Arguments[0]) };
case TypeDefFlavor.MultiDimArray:
{
var a = (MultiDimArrayTypeDef)tyconEnv.Type;
return new PE.MultiDimArrayTypeSig
{
ElementType = TypeSigFromTypeRef(ctxt, typeRef.Arguments[0]),
Rank = a.Rank,
LoBounds = a.Bounds.LoBounds(),
Sizes = a.Bounds.Sizes()
};
}
case TypeDefFlavor.Box:
throw new InvalidOperationException("unexpected box type");
case TypeDefFlavor.Null:
throw new InvalidOperationException("unexpected null type");
case TypeDefFlavor.Parameter:
{
var p = (ParameterTypeDef)tyconEnv.Type;
switch (p.ParameterFlavor)
{
case ParameterFlavor.Type:
return new PE.TypeParameterTypeSig { Index = p.Index };
case ParameterFlavor.Method:
return new PE.MethodParameterTypeSig { Index = p.Index };
default:
throw new ArgumentOutOfRangeException();
}
}
case TypeDefFlavor.Handle:
case TypeDefFlavor.Nullable:
case TypeDefFlavor.Enum:
case TypeDefFlavor.Struct:
{
var applicand = new PE.TypeDefOrRefSig
{
IsValueType = true,
TypeDefOrRef = { Value = TypeDefOrRefRowFromQualifiedTypeName(ctxt, typeRef.QualifiedTypeName) }
};
if (typeRef.Arguments.Count > 0)
return new PE.ApplicationTypeSig
{
Applicand = applicand,
Arguments = typeRef.Arguments.Select(t => TypeSigFromTypeRef(ctxt, t)).ToSeq()
};
else
return applicand;
}
case TypeDefFlavor.Void:
return new PE.PrimitiveTypeSig { PrimitiveType = PE.PrimitiveType.Void };
case TypeDefFlavor.Number:
{
var n = (NumberTypeDef)tyconEnv.Type;
var p = default(PE.PrimitiveType);
switch (n.NumberFlavor)
{
case NumberFlavor.Int8:
p = PE.PrimitiveType.Int8;
break;
case NumberFlavor.Int16:
p = PE.PrimitiveType.Int16;
break;
case NumberFlavor.Int32:
p = PE.PrimitiveType.Int32;
break;
case NumberFlavor.Int64:
p = PE.PrimitiveType.Int64;
break;
case NumberFlavor.IntNative:
p = PE.PrimitiveType.IntNative;
break;
case NumberFlavor.UInt8:
p = PE.PrimitiveType.UInt8;
break;
case NumberFlavor.UInt16:
p = PE.PrimitiveType.UInt16;
break;
case NumberFlavor.UInt32:
p = PE.PrimitiveType.UInt32;
break;
case NumberFlavor.UInt64:
p = PE.PrimitiveType.UInt64;
break;
case NumberFlavor.UIntNative:
p = PE.PrimitiveType.UIntNative;
break;
case NumberFlavor.Single:
p = PE.PrimitiveType.Single;
break;
case NumberFlavor.Double:
p = PE.PrimitiveType.Double;
break;
case NumberFlavor.Boolean:
p = PE.PrimitiveType.Boolean;
break;
case NumberFlavor.Char:
p = PE.PrimitiveType.Char;
break;
default:
throw new ArgumentOutOfRangeException();
}
return new PE.PrimitiveTypeSig { PrimitiveType = p };
}
case TypeDefFlavor.Delegate:
case TypeDefFlavor.Class:
case TypeDefFlavor.Interface:
case TypeDefFlavor.GenericIEnumerable:
{
var applicand = new PE.TypeDefOrRefSig
{
IsValueType = false,
TypeDefOrRef = { Value = TypeDefOrRefRowFromQualifiedTypeName(ctxt, typeRef.QualifiedTypeName) }
};
if (typeRef.Arguments.Count > 0)
return new PE.ApplicationTypeSig
{
Applicand = applicand,
Arguments = typeRef.Arguments.Select(t => TypeSigFromTypeRef(ctxt, t)).ToSeq()
};
else
return applicand;
}
case TypeDefFlavor.Object:
return new PE.PrimitiveTypeSig { PrimitiveType = PE.PrimitiveType.Object };
case TypeDefFlavor.String:
return new PE.PrimitiveTypeSig { PrimitiveType = PE.PrimitiveType.String };
default:
throw new ArgumentOutOfRangeException();
}
}
}
