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4adebc6d2aa781ac79fc686beae139b00a4db514
sdk/runtime/vm/raw_object_fields.cc
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Ryan Macnak abbb51e1ff [vm] Clean up metadata tracking. 
Remove the use of Fields, which have since the metadata mechanism was introduced come to require global registration.

Retain some sloppiness matching of declarations by name instead of identity for the sake of hot reload.

TEST=ci
Change-Id: Ifa4cc7724096c606f994b057b7838e124ceb3626
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/175141
Commit-Queue: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2020-12-07 19:43:48 +00:00

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// Copyright (c) 2018, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#include "vm/raw_object_fields.h"
namespace dart {
#if defined(DART_PRECOMPILER) || !defined(DART_PRODUCT)
#define COMMON_CLASSES_AND_FIELDS(F) \
F(Class, name_) \
F(Class, user_name_) \
F(Class, functions_) \
F(Class, functions_hash_table_) \
F(Class, fields_) \
F(Class, offset_in_words_to_field_) \
F(Class, interfaces_) \
F(Class, script_) \
F(Class, library_) \
F(Class, type_parameters_) \
F(Class, super_type_) \
F(Class, signature_function_) \
F(Class, constants_) \
F(Class, declaration_type_) \
F(Class, invocation_dispatcher_cache_) \
F(Class, allocation_stub_) \
F(Class, direct_implementors_) \
F(Class, direct_subclasses_) \
F(Class, dependent_code_) \
F(PatchClass, patched_class_) \
F(PatchClass, origin_class_) \
F(PatchClass, script_) \
F(PatchClass, library_kernel_data_) \
F(Function, name_) \
F(Function, owner_) \
F(Function, result_type_) \
F(Function, parameter_types_) \
F(Function, parameter_names_) \
F(Function, type_parameters_) \
F(Function, data_) \
F(Function, ic_data_array_) \
F(Function, code_) \
F(ClosureData, context_scope_) \
F(ClosureData, parent_function_) \
F(ClosureData, signature_type_) \
F(ClosureData, closure_) \
F(SignatureData, parent_function_) \
F(SignatureData, signature_type_) \
F(Field, name_) \
F(Field, owner_) \
F(Field, type_) \
F(Field, guarded_list_length_) \
F(Field, dependent_code_) \
F(Field, initializer_function_) \
F(Field, host_offset_or_field_id_) \
F(Script, url_) \
F(Script, resolved_url_) \
F(Script, compile_time_constants_) \
F(Script, line_starts_) \
F(Script, debug_positions_) \
F(Script, kernel_program_info_) \
F(Script, source_) \
F(Library, name_) \
F(Library, url_) \
F(Library, private_key_) \
F(Library, dictionary_) \
F(Library, metadata_) \
F(Library, toplevel_class_) \
F(Library, used_scripts_) \
F(Library, loading_unit_) \
F(Library, imports_) \
F(Library, exports_) \
F(Library, kernel_data_) \
F(Library, resolved_names_) \
F(Library, exported_names_) \
F(Library, loaded_scripts_) \
F(Namespace, target_) \
F(Namespace, show_names_) \
F(Namespace, hide_names_) \
F(Namespace, owner_) \
F(KernelProgramInfo, string_offsets_) \
F(KernelProgramInfo, string_data_) \
F(KernelProgramInfo, canonical_names_) \
F(KernelProgramInfo, metadata_payloads_) \
F(KernelProgramInfo, metadata_mappings_) \
F(KernelProgramInfo, scripts_) \
F(KernelProgramInfo, constants_) \
F(KernelProgramInfo, potential_natives_) \
F(KernelProgramInfo, potential_pragma_functions_) \
F(KernelProgramInfo, constants_table_) \
F(KernelProgramInfo, libraries_cache_) \
F(KernelProgramInfo, classes_cache_) \
F(KernelProgramInfo, retained_kernel_blob_) \
F(Code, object_pool_) \
F(Code, instructions_) \
F(Code, owner_) \
F(Code, exception_handlers_) \
F(Code, pc_descriptors_) \
F(Code, catch_entry_) \
F(Code, compressed_stackmaps_) \
F(Code, inlined_id_to_function_) \
F(Code, code_source_map_) \
F(ExceptionHandlers, handled_types_data_) \
F(Context, parent_) \
F(SingleTargetCache, target_) \
F(UnlinkedCall, target_name_) \
F(UnlinkedCall, args_descriptor_) \
F(MonomorphicSmiableCall, expected_cid_) \
F(MonomorphicSmiableCall, target_) \
F(CallSiteData, target_name_) \
F(CallSiteData, args_descriptor_) \
F(ICData, entries_) \
F(ICData, owner_) \
F(MegamorphicCache, buckets_) \
F(MegamorphicCache, mask_) \
F(SubtypeTestCache, cache_) \
F(LoadingUnit, parent_) \
F(LoadingUnit, base_objects_) \
F(ApiError, message_) \
F(LanguageError, previous_error_) \
F(LanguageError, script_) \
F(LanguageError, message_) \
F(LanguageError, formatted_message_) \
F(UnhandledException, exception_) \
F(UnhandledException, stacktrace_) \
F(UnwindError, message_) \
F(LibraryPrefix, name_) \
F(LibraryPrefix, importer_) \
F(LibraryPrefix, imports_) \
F(TypeArguments, instantiations_) \
F(TypeArguments, length_) \
F(TypeArguments, hash_) \
F(TypeArguments, nullability_) \
F(AbstractType, type_test_stub_) \
F(Type, type_test_stub_) \
F(Type, type_class_id_) \
F(Type, arguments_) \
F(Type, hash_) \
F(Type, signature_) \
F(TypeRef, type_test_stub_) \
F(TypeRef, type_) \
F(TypeParameter, type_test_stub_) \
F(TypeParameter, name_) \
F(TypeParameter, hash_) \
F(TypeParameter, bound_) \
F(TypeParameter, parameterized_function_) \
F(Closure, instantiator_type_arguments_) \
F(Closure, function_type_arguments_) \
F(Closure, delayed_type_arguments_) \
F(Closure, function_) \
F(Closure, context_) \
F(Closure, hash_) \
F(String, length_) \
F(Array, type_arguments_) \
F(Array, length_) \
F(GrowableObjectArray, type_arguments_) \
F(GrowableObjectArray, length_) \
F(GrowableObjectArray, data_) \
F(LinkedHashMap, type_arguments_) \
F(LinkedHashMap, index_) \
F(LinkedHashMap, hash_mask_) \
F(LinkedHashMap, data_) \
F(LinkedHashMap, used_data_) \
F(LinkedHashMap, deleted_keys_) \
F(TypedData, length_) \
F(ExternalTypedData, length_) \
F(ReceivePort, send_port_) \
F(ReceivePort, handler_) \
F(StackTrace, async_link_) \
F(StackTrace, code_array_) \
F(StackTrace, pc_offset_array_) \
F(RegExp, num_bracket_expressions_) \
F(RegExp, capture_name_map_) \
F(RegExp, pattern_) \
F(RegExp, one_byte_) \
F(RegExp, two_byte_) \
F(RegExp, external_one_byte_) \
F(RegExp, external_two_byte_) \
F(RegExp, one_byte_sticky_) \
F(RegExp, two_byte_sticky_) \
F(RegExp, external_one_byte_sticky_) \
F(RegExp, external_two_byte_sticky_) \
F(WeakProperty, key_) \
F(WeakProperty, value_) \
F(MirrorReference, referent_) \
F(UserTag, label_) \
F(PointerBase, data_) \
F(Pointer, type_arguments_) \
F(DynamicLibrary, handle_) \
F(FfiTrampolineData, signature_type_) \
F(FfiTrampolineData, c_signature_) \
F(FfiTrampolineData, callback_target_) \
F(FfiTrampolineData, callback_exceptional_return_) \
F(TypedDataBase, length_) \
F(TypedDataView, typed_data_) \
F(TypedDataView, offset_in_bytes_) \
F(FutureOr, type_arguments_)
#define AOT_CLASSES_AND_FIELDS(F) F(WeakSerializationReference, cid_)
#define JIT_CLASSES_AND_FIELDS(F) \
F(Code, active_instructions_) \
F(Code, deopt_info_array_) \
F(Code, static_calls_target_table_) \
F(ICData, receivers_static_type_) \
F(Function, unoptimized_code_) \
F(Field, type_test_cache_) \
F(WeakSerializationReference, target_)
#define NON_PRODUCT_CLASSES_AND_FIELDS(F) \
F(ReceivePort, debug_name_) \
F(ReceivePort, allocation_location_)
#define NON_HEADER_HASH_CLASSES_AND_FIELDS(F) F(String, hash_)
OffsetsTable::OffsetsTable(Zone* zone) : cached_offsets_(zone) {
for (intptr_t i = 0; offsets_table[i].class_id != -1; ++i) {
OffsetsTableEntry entry = offsets_table[i];
cached_offsets_.Insert({{entry.class_id, entry.offset}, entry.field_name});
}
}
const char* OffsetsTable::FieldNameForOffset(intptr_t class_id,
intptr_t offset) {
return cached_offsets_.LookupValue({class_id, offset});
}
#define DEFINE_OFFSETS_TABLE_ENTRY(class_name, field_name) \
{class_name::kClassId, #field_name, \
OFFSET_OF(class_name##Layout, field_name)},
// clang-format off
OffsetsTable::OffsetsTableEntry OffsetsTable::offsets_table[] = {
COMMON_CLASSES_AND_FIELDS(DEFINE_OFFSETS_TABLE_ENTRY)
#if !defined(PRODUCT)
NON_PRODUCT_CLASSES_AND_FIELDS(DEFINE_OFFSETS_TABLE_ENTRY)
#endif
#if !defined(HASH_IN_OBJECT_HEADER)
NON_HEADER_HASH_CLASSES_AND_FIELDS(DEFINE_OFFSETS_TABLE_ENTRY)
#endif
#if defined(DART_PRECOMPILED_RUNTIME)
AOT_CLASSES_AND_FIELDS(DEFINE_OFFSETS_TABLE_ENTRY)
#else
JIT_CLASSES_AND_FIELDS(DEFINE_OFFSETS_TABLE_ENTRY)
#endif
{-1, nullptr, -1}
};
// clang-format on
#undef DEFINE_OFFSETS_TABLE_ENTRY
#endif
} // namespace dart
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