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);
        }
Ejemplo n.º 2
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        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);
        }
Ejemplo n.º 3
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        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);
            }
        }