Beispiel #1
0
            protected override IEntityHandleObject CreateValueFromKey(EntityHandle handle)
            {
                object item;

                switch (handle.Kind)
                {
                case HandleKind.TypeDefinition:
                    item = new EcmaType(_module, (TypeDefinitionHandle)handle);
                    break;

                case HandleKind.MethodDefinition:
                {
                    MethodDefinitionHandle methodDefinitionHandle = (MethodDefinitionHandle)handle;
                    TypeDefinitionHandle   typeDefinitionHandle   = _module._metadataReader.GetMethodDefinition(methodDefinitionHandle).GetDeclaringType();
                    EcmaType type = (EcmaType)_module.GetObject(typeDefinitionHandle);
                    item = new EcmaMethod(type, methodDefinitionHandle);
                }
                break;

                case HandleKind.FieldDefinition:
                {
                    FieldDefinitionHandle fieldDefinitionHandle = (FieldDefinitionHandle)handle;
                    TypeDefinitionHandle  typeDefinitionHandle  = _module._metadataReader.GetFieldDefinition(fieldDefinitionHandle).GetDeclaringType();
                    EcmaType type = (EcmaType)_module.GetObject(typeDefinitionHandle);
                    item = new EcmaField(type, fieldDefinitionHandle);
                }
                break;

                case HandleKind.TypeReference:
                    item = _module.ResolveTypeReference((TypeReferenceHandle)handle);
                    break;

                case HandleKind.MemberReference:
                    item = _module.ResolveMemberReference((MemberReferenceHandle)handle);
                    break;

                case HandleKind.AssemblyReference:
                    item = _module.ResolveAssemblyReference((AssemblyReferenceHandle)handle);
                    break;

                case HandleKind.TypeSpecification:
                    item = _module.ResolveTypeSpecification((TypeSpecificationHandle)handle);
                    break;

                case HandleKind.MethodSpecification:
                    item = _module.ResolveMethodSpecification((MethodSpecificationHandle)handle);
                    break;

                case HandleKind.ExportedType:
                    item = _module.ResolveExportedType((ExportedTypeHandle)handle);
                    break;

                case HandleKind.StandaloneSignature:
                    item = _module.ResolveStandaloneSignature((StandaloneSignatureHandle)handle);
                    break;

                case HandleKind.ModuleDefinition:
                    // ECMA-335 Partition 2 II.22.38 1d: This should not occur in a CLI ("compressed metadata") module,
                    // but resolves to "current module".
                    item = _module;
                    break;

                default:
                    throw new BadImageFormatException("Unknown metadata token type: " + handle.Kind);
                }

                switch (handle.Kind)
                {
                case HandleKind.TypeDefinition:
                case HandleKind.MethodDefinition:
                case HandleKind.FieldDefinition:
                    // type/method/field definitions directly correspond to their target item.
                    return((IEntityHandleObject)item);

                default:
                    // Everything else is some form of reference which cannot be self-describing
                    return(new EcmaObjectLookupWrapper(handle, item));
                }
            }
Beispiel #2
0
            protected override IEntityHandleObject CreateValueFromKey(EntityHandle handle)
            {
                object item;

                switch (handle.Kind)
                {
                case HandleKind.TypeDefinition:
                    item = new EcmaType(_module, (TypeDefinitionHandle)handle);
                    break;

                case HandleKind.MethodDefinition:
                {
                    MethodDefinitionHandle methodDefinitionHandle = (MethodDefinitionHandle)handle;
                    TypeDefinitionHandle   typeDefinitionHandle   = _module._metadataReader.GetMethodDefinition(methodDefinitionHandle).GetDeclaringType();
                    EcmaType type = (EcmaType)_module.GetObject(typeDefinitionHandle);
                    item = new EcmaMethod(type, methodDefinitionHandle);
                }
                break;

                case HandleKind.FieldDefinition:
                {
                    FieldDefinitionHandle fieldDefinitionHandle = (FieldDefinitionHandle)handle;
                    TypeDefinitionHandle  typeDefinitionHandle  = _module._metadataReader.GetFieldDefinition(fieldDefinitionHandle).GetDeclaringType();
                    EcmaType type = (EcmaType)_module.GetObject(typeDefinitionHandle);
                    item = new EcmaField(type, fieldDefinitionHandle);
                }
                break;

                case HandleKind.TypeReference:
                    item = _module.ResolveTypeReference((TypeReferenceHandle)handle);
                    break;

                case HandleKind.MemberReference:
                    item = _module.ResolveMemberReference((MemberReferenceHandle)handle);
                    break;

                case HandleKind.AssemblyReference:
                    item = _module.ResolveAssemblyReference((AssemblyReferenceHandle)handle);
                    break;

                case HandleKind.TypeSpecification:
                    item = _module.ResolveTypeSpecification((TypeSpecificationHandle)handle);
                    break;

                case HandleKind.MethodSpecification:
                    item = _module.ResolveMethodSpecification((MethodSpecificationHandle)handle);
                    break;

                case HandleKind.ExportedType:
                    item = _module.ResolveExportedType((ExportedTypeHandle)handle);
                    break;

                // TODO: Resolve other tokens

                default:
                    throw new BadImageFormatException("Unknown metadata token type");
                }

                switch (handle.Kind)
                {
                case HandleKind.TypeDefinition:
                case HandleKind.MethodDefinition:
                case HandleKind.FieldDefinition:
                    // type/method/field definitions directly correspond to their target item.
                    return((IEntityHandleObject)item);

                default:
                    // Everything else is some form of reference which cannot be self-describing
                    return(new EcmaObjectLookupWrapper(handle, item));
                }
            }