private static void ValidateCopyTo(byte[] dynamicFlags, params bool[] expectedFlags)
{
var builder = ArrayBuilder <bool> .GetInstance();
DynamicFlagsCustomTypeInfo.CopyTo(new ReadOnlyCollection <byte>(dynamicFlags), builder);
var actualFlags = builder.ToArrayAndFree();
Assert.Equal(expectedFlags, actualFlags);
}
private static TypeSymbol DecodeDynamicTypes(TypeSymbol type, AssemblySymbol sourceAssembly, ReadOnlyCollection <byte> bytes)
{
var builder = ArrayBuilder <bool> .GetInstance();
DynamicFlagsCustomTypeInfo.CopyTo(bytes, builder);
var dynamicType = DynamicTypeDecoder.TransformTypeWithoutCustomModifierFlags(
type,
sourceAssembly,
RefKind.None,
builder.ToImmutableAndFree(),
checkLength: false);
Debug.Assert((object)dynamicType != null);
Debug.Assert(dynamicType != type);
return(dynamicType);
}
internal static LocalSymbol Create(
TypeNameDecoder <PEModuleSymbol, TypeSymbol> typeNameDecoder,
MethodSymbol containingMethod,
AssemblySymbol sourceAssembly,
Alias alias)
{
var typeName = alias.Type;
Debug.Assert(typeName.Length > 0);
var type = typeNameDecoder.GetTypeSymbolForSerializedType(typeName);
Debug.Assert((object)type != null);
ReadOnlyCollection <byte> dynamicFlags;
ReadOnlyCollection <string> tupleElementNames;
CustomTypeInfo.Decode(alias.CustomTypeInfoId, alias.CustomTypeInfo, out dynamicFlags, out tupleElementNames);
// Preserve tuple element names. See https://github.com/dotnet/roslyn/issues/13589.
if (dynamicFlags != null)
{
var flagsBuilder = ArrayBuilder <bool> .GetInstance();
DynamicFlagsCustomTypeInfo.CopyTo(dynamicFlags, flagsBuilder);
var dynamicType = DynamicTypeDecoder.TransformTypeWithoutCustomModifierFlags(
type,
sourceAssembly,
RefKind.None,
flagsBuilder.ToImmutableAndFree(),
checkLength: false);
Debug.Assert(dynamicType != null);
Debug.Assert(dynamicType != type);
type = dynamicType;
}
var name = alias.FullName;
var displayName = alias.Name;
switch (alias.Kind)
{
case DkmClrAliasKind.Exception:
return(new ExceptionLocalSymbol(containingMethod, name, displayName, type, ExpressionCompilerConstants.GetExceptionMethodName));
case DkmClrAliasKind.StowedException:
return(new ExceptionLocalSymbol(containingMethod, name, displayName, type, ExpressionCompilerConstants.GetStowedExceptionMethodName));
case DkmClrAliasKind.ReturnValue:
{
int index;
PseudoVariableUtilities.TryParseReturnValueIndex(name, out index);
Debug.Assert(index >= 0);
return(new ReturnValueLocalSymbol(containingMethod, name, displayName, type, index));
}
case DkmClrAliasKind.ObjectId:
return(new ObjectIdLocalSymbol(containingMethod, type, name, displayName, isWritable: false));
case DkmClrAliasKind.Variable:
return(new ObjectIdLocalSymbol(containingMethod, type, name, displayName, isWritable: true));
default:
throw ExceptionUtilities.UnexpectedValue(alias.Kind);
}
}