Move handles-related files to src/handles

Bug: v8:9247
Change-Id: I0023200c54fa6499ae4e2cf5e4c89407cc35f187
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1624218
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Reviewed-by: Michael Stanton <mvstanton@chromium.org>
Commit-Queue: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61762}

BUILD.gn

@@ -2259,11 +2259,13 @@ v8_source_set("v8_base_without_compiler") {
     "src/flags.cc",
     "src/flags.h",
     "src/function-kind.h",
-    "src/global-handles.cc",
-    "src/global-handles.h",
-    "src/handles-inl.h",
-    "src/handles.cc",
-    "src/handles.h",
+    "src/handles/global-handles.cc",
+    "src/handles/global-handles.h",
+    "src/handles/handles-inl.h",
+    "src/handles/handles.cc",
+    "src/handles/handles.h",
+    "src/handles/maybe-handles-inl.h",
+    "src/handles/maybe-handles.h",
     "src/hash-seed-inl.h",
     "src/heap-symbols.h",
     "src/heap/array-buffer-collector.cc",
@@ -2427,8 +2429,6 @@ v8_source_set("v8_base_without_compiler") {
     "src/logging/log-utils.h",
     "src/logging/log.cc",
     "src/logging/log.h",
-    "src/maybe-handles-inl.h",
-    "src/maybe-handles.h",
     "src/memcopy.cc",
     "src/memcopy.h",
     "src/numbers/bignum-dtoa.cc",

src/allocation-site-scopes.h

@@ -5,7 +5,7 @@
 #ifndef V8_ALLOCATION_SITE_SCOPES_H_
 #define V8_ALLOCATION_SITE_SCOPES_H_
 
-#include "src/handles.h"
+#include "src/handles/handles.h"
 #include "src/objects.h"
 #include "src/objects/allocation-site.h"
 #include "src/objects/map.h"

src/api/api-inl.h

@@ -6,7 +6,7 @@
 #define V8_API_API_INL_H_
 
 #include "src/api/api.h"
-#include "src/handles-inl.h"
+#include "src/handles/handles-inl.h"
 #include "src/objects-inl.h"
 #include "src/objects/foreign-inl.h"
 #include "src/objects/stack-frame-info.h"

src/api/api-natives.h

@@ -7,8 +7,8 @@
 
 #include "include/v8.h"
 #include "src/base/macros.h"
-#include "src/handles.h"
-#include "src/maybe-handles.h"
+#include "src/handles/handles.h"
+#include "src/handles/maybe-handles.h"
 #include "src/objects.h"
 #include "src/objects/property-details.h"
 

src/api/api.cc

@@ -45,8 +45,8 @@
 #include "src/execution/runtime-profiler.h"
 #include "src/execution/simulator.h"
 #include "src/execution/vm-state-inl.h"
-#include "src/global-handles.h"
 #include "src/globals.h"
+#include "src/handles/global-handles.h"
 #include "src/heap/embedder-tracing.h"
 #include "src/heap/heap-inl.h"
 #include "src/init/bootstrapper.h"

src/asmjs/asm-js.cc

@@ -15,7 +15,7 @@
 #include "src/execution/execution.h"
 #include "src/execution/isolate.h"
 #include "src/execution/message-template.h"
-#include "src/handles.h"
+#include "src/handles/handles.h"
 #include "src/heap/factory.h"
 #include "src/logging/counters.h"
 #include "src/objects-inl.h"

src/builtins/builtins-array.cc

@@ -8,7 +8,7 @@
 #include "src/contexts.h"
 #include "src/debug/debug.h"
 #include "src/execution/isolate.h"
-#include "src/global-handles.h"
+#include "src/handles/global-handles.h"
 #include "src/logging/counters.h"
 #include "src/objects-inl.h"
 #include "src/objects/elements-inl.h"

src/builtins/builtins-arraybuffer.cc

@@ -4,9 +4,9 @@
 
 #include "src/builtins/builtins-utils-inl.h"
 #include "src/builtins/builtins.h"
+#include "src/handles/maybe-handles-inl.h"
 #include "src/heap/heap-inl.h"  // For ToBoolean. TODO(jkummerow): Drop.
 #include "src/logging/counters.h"
-#include "src/maybe-handles-inl.h"
 #include "src/numbers/conversions.h"
 #include "src/objects-inl.h"
 #include "src/objects/js-array-buffer-inl.h"

src/builtins/builtins-call.cc

@@ -5,7 +5,7 @@
 #include "src/builtins/builtins-utils.h"
 #include "src/builtins/builtins.h"
 #include "src/execution/isolate.h"
-#include "src/handles-inl.h"
+#include "src/handles/handles-inl.h"
 #include "src/objects-inl.h"
 
 namespace v8 {

src/builtins/builtins-typed-array-gen.cc

@@ -8,7 +8,7 @@
 #include "src/builtins/builtins-utils-gen.h"
 #include "src/builtins/builtins.h"
 #include "src/builtins/growable-fixed-array-gen.h"
-#include "src/handles-inl.h"
+#include "src/handles/handles-inl.h"
 #include "src/heap/factory-inl.h"
 #include "torque-generated/builtins-typed-array-createtypedarray-gen-tq.h"
 

src/builtins/constants-table-builder.h

@@ -7,7 +7,7 @@
 
 #include "src/allocation.h"
 #include "src/base/macros.h"
-#include "src/handles.h"
+#include "src/handles/handles.h"
 #include "src/identity-map.h"
 
 namespace v8 {

src/builtins/setup-builtins-internal.cc

@@ -10,7 +10,7 @@
 #include "src/codegen/macro-assembler.h"
 #include "src/compiler/code-assembler.h"
 #include "src/execution/isolate.h"
-#include "src/handles-inl.h"
+#include "src/handles/handles-inl.h"
 #include "src/heap/heap-inl.h"  // For MemoryAllocator::code_range.
 #include "src/interpreter/bytecodes.h"
 #include "src/interpreter/interpreter-generator.h"

src/codegen/assembler.h

@@ -45,7 +45,7 @@
 #include "src/external-reference.h"
 #include "src/flags.h"
 #include "src/globals.h"
-#include "src/handles.h"
+#include "src/handles/handles.h"
 #include "src/objects.h"
 
 namespace v8 {

src/codegen/code-reference.cc

@@ -6,7 +6,7 @@
 
 #include "src/codegen/code-desc.h"
 #include "src/globals.h"
-#include "src/handles-inl.h"
+#include "src/handles/handles-inl.h"
 #include "src/objects-inl.h"
 #include "src/wasm/wasm-code-manager.h"
 

src/codegen/code-reference.h

@@ -5,7 +5,7 @@
 #ifndef V8_CODEGEN_CODE_REFERENCE_H_
 #define V8_CODEGEN_CODE_REFERENCE_H_
 
-#include "src/handles.h"
+#include "src/handles/handles.h"
 #include "src/objects/code.h"
 
 namespace v8 {

src/codegen/optimized-compilation-info.h

@@ -11,7 +11,7 @@
 #include "src/codegen/source-position-table.h"
 #include "src/execution/frames.h"
 #include "src/globals.h"
-#include "src/handles.h"
+#include "src/handles/handles.h"
 #include "src/objects.h"
 #include "src/utils.h"
 #include "src/vector.h"

src/codegen/source-position.h

@@ -9,7 +9,7 @@
 
 #include "src/flags.h"
 #include "src/globals.h"
-#include "src/handles.h"
+#include "src/handles/handles.h"
 #include "src/utils.h"
 
 namespace v8 {

src/codegen/string-constants.h

@@ -5,7 +5,7 @@
 #ifndef V8_CODEGEN_STRING_CONSTANTS_H_
 #define V8_CODEGEN_STRING_CONSTANTS_H_
 
-#include "src/handles.h"
+#include "src/handles/handles.h"
 #include "src/objects/string.h"
 #include "src/zone/zone.h"
 

src/codegen/unoptimized-compilation-info.h

@@ -10,7 +10,7 @@
 #include "src/codegen/source-position-table.h"
 #include "src/feedback-vector.h"
 #include "src/globals.h"
-#include "src/handles.h"
+#include "src/handles/handles.h"
 #include "src/objects.h"
 #include "src/utils.h"
 

src/compiler-dispatcher/compiler-dispatcher.cc

@@ -10,7 +10,7 @@
 #include "src/cancelable-task.h"
 #include "src/codegen/compiler.h"
 #include "src/flags.h"
-#include "src/global-handles.h"
+#include "src/handles/global-handles.h"
 #include "src/objects-inl.h"
 #include "src/parsing/parse-info.h"
 #include "src/parsing/parser.h"

src/compiler-dispatcher/compiler-dispatcher.h

@@ -18,8 +18,8 @@
 #include "src/base/platform/mutex.h"
 #include "src/base/platform/semaphore.h"
 #include "src/globals.h"
+#include "src/handles/maybe-handles.h"
 #include "src/identity-map.h"
-#include "src/maybe-handles.h"
 #include "testing/gtest/include/gtest/gtest_prod.h"  // nogncheck
 
 namespace v8 {

src/compiler/access-builder.cc

@@ -7,7 +7,7 @@
 #include "src/compiler/type-cache.h"
 #include "src/contexts.h"
 #include "src/execution/frames.h"
-#include "src/handles-inl.h"
+#include "src/handles/handles-inl.h"
 #include "src/heap/heap.h"
 #include "src/objects-inl.h"
 #include "src/objects/arguments.h"

src/compiler/bytecode-analysis.h

@@ -8,7 +8,7 @@
 #include "src/base/hashmap.h"
 #include "src/bit-vector.h"
 #include "src/compiler/bytecode-liveness-map.h"
-#include "src/handles.h"
+#include "src/handles/handles.h"
 #include "src/interpreter/bytecode-register.h"
 #include "src/utils.h"
 #include "src/zone/zone-containers.h"

src/compiler/bytecode-graph-builder.h

@@ -7,7 +7,7 @@
 
 #include "src/compiler/js-operator.h"
 #include "src/compiler/js-type-hint-lowering.h"
-#include "src/handles.h"
+#include "src/handles/handles.h"
 #include "src/utils.h"
 
 namespace v8 {

src/compiler/common-operator.cc

@@ -9,7 +9,7 @@
 #include "src/compiler/node.h"
 #include "src/compiler/opcodes.h"
 #include "src/compiler/operator.h"
-#include "src/handles-inl.h"
+#include "src/handles/handles-inl.h"
 #include "src/zone/zone.h"
 
 namespace v8 {

src/compiler/compilation-dependencies.cc

@@ -4,7 +4,7 @@
 
 #include "src/compiler/compilation-dependencies.h"
 
-#include "src/handles-inl.h"
+#include "src/handles/handles-inl.h"
 #include "src/objects-inl.h"
 #include "src/objects/allocation-site-inl.h"
 #include "src/zone/zone-handle-set.h"

src/compiler/effect-control-linearizer.h

@@ -7,7 +7,7 @@
 
 #include <vector>
 
-#include "src/handles.h"
+#include "src/handles/handles.h"
 
 namespace v8 {
 namespace internal {

src/compiler/escape-analysis.cc

@@ -8,7 +8,7 @@
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/operator-properties.h"
 #include "src/compiler/simplified-operator.h"
-#include "src/handles-inl.h"
+#include "src/handles/handles-inl.h"
 #include "src/init/bootstrapper.h"
 #include "src/objects/map-inl.h"
 

src/compiler/frame-states.cc

@@ -9,7 +9,7 @@
 #include "src/compiler/graph.h"
 #include "src/compiler/js-graph.h"
 #include "src/compiler/node.h"
-#include "src/handles-inl.h"
+#include "src/handles/handles-inl.h"
 #include "src/objects-inl.h"
 
 namespace v8 {

src/compiler/frame-states.h

@@ -6,7 +6,7 @@
 #define V8_COMPILER_FRAME_STATES_H_
 
 #include "src/builtins/builtins.h"
-#include "src/handles.h"
+#include "src/handles/handles.h"
 #include "src/objects/shared-function-info.h"
 #include "src/utils.h"
 

src/compiler/graph-visualizer.h

@@ -11,7 +11,7 @@
 #include <memory>
 
 #include "src/globals.h"
-#include "src/handles.h"
+#include "src/handles/handles.h"
 
 namespace v8 {
 namespace internal {

src/compiler/js-context-specialization.h

@@ -6,7 +6,7 @@
 #define V8_COMPILER_JS_CONTEXT_SPECIALIZATION_H_
 
 #include "src/compiler/graph-reducer.h"
-#include "src/maybe-handles.h"
+#include "src/handles/maybe-handles.h"
 
 namespace v8 {
 namespace internal {

src/compiler/js-heap-broker.h

@@ -11,7 +11,7 @@
 #include "src/feedback-vector.h"
 #include "src/function-kind.h"
 #include "src/globals.h"
-#include "src/handles.h"
+#include "src/handles/handles.h"
 #include "src/objects.h"
 #include "src/objects/instance-type.h"
 #include "src/ostreams.h"

src/compiler/js-operator.cc

@@ -9,7 +9,7 @@
 #include "src/base/lazy-instance.h"
 #include "src/compiler/opcodes.h"
 #include "src/compiler/operator.h"
-#include "src/handles-inl.h"
+#include "src/handles/handles-inl.h"
 #include "src/objects-inl.h"
 #include "src/vector-slot-pair.h"
 

src/compiler/js-operator.h

@@ -7,7 +7,7 @@
 
 #include "src/base/compiler-specific.h"
 #include "src/globals.h"
-#include "src/maybe-handles.h"
+#include "src/handles/maybe-handles.h"
 #include "src/runtime/runtime.h"
 #include "src/type-hints.h"
 #include "src/vector-slot-pair.h"

src/compiler/js-type-hint-lowering.h

@@ -8,7 +8,7 @@
 #include "src/base/flags.h"
 #include "src/compiler/graph-reducer.h"
 #include "src/deoptimizer/deoptimize-reason.h"
-#include "src/handles.h"
+#include "src/handles/handles.h"
 
 namespace v8 {
 namespace internal {

src/compiler/load-elimination.h

@@ -9,7 +9,7 @@
 #include "src/codegen/machine-type.h"
 #include "src/compiler/graph-reducer.h"
 #include "src/globals.h"
-#include "src/maybe-handles.h"
+#include "src/handles/maybe-handles.h"
 #include "src/zone/zone-handle-set.h"
 
 namespace v8 {

src/compiler/node-properties.cc

@@ -12,7 +12,7 @@
 #include "src/compiler/operator-properties.h"
 #include "src/compiler/simplified-operator.h"
 #include "src/compiler/verifier.h"
-#include "src/handles-inl.h"
+#include "src/handles/handles-inl.h"
 #include "src/objects-inl.h"
 
 namespace v8 {

src/compiler/operator.h

@@ -11,7 +11,7 @@
 #include "src/base/flags.h"
 #include "src/base/functional.h"
 #include "src/globals.h"
-#include "src/handles.h"
+#include "src/handles/handles.h"
 #include "src/zone/zone.h"
 
 namespace v8 {

src/compiler/property-access-builder.h

@@ -9,7 +9,7 @@
 
 #include "src/codegen/machine-type.h"
 #include "src/compiler/js-heap-broker.h"
-#include "src/handles.h"
+#include "src/handles/handles.h"
 #include "src/objects/map.h"
 #include "src/zone/zone-containers.h"
 

src/compiler/serializer-for-background-compilation.cc

@@ -7,7 +7,7 @@
 #include <sstream>
 
 #include "src/compiler/js-heap-broker.h"
-#include "src/handles-inl.h"
+#include "src/handles/handles-inl.h"
 #include "src/interpreter/bytecode-array-iterator.h"
 #include "src/objects/code.h"
 #include "src/objects/shared-function-info-inl.h"

src/compiler/serializer-for-background-compilation.h

@@ -7,8 +7,8 @@
 
 #include "src/base/optional.h"
 #include "src/compiler/access-info.h"
-#include "src/handles.h"
-#include "src/maybe-handles.h"
+#include "src/handles/handles.h"
+#include "src/handles/maybe-handles.h"
 #include "src/utils.h"
 #include "src/zone/zone-containers.h"
 

src/compiler/simplified-operator.cc

@@ -8,7 +8,7 @@
 #include "src/compiler/opcodes.h"
 #include "src/compiler/operator.h"
 #include "src/compiler/types.h"
-#include "src/handles-inl.h"
+#include "src/handles/handles-inl.h"
 #include "src/objects-inl.h"
 #include "src/objects/map.h"
 #include "src/objects/name.h"

src/compiler/simplified-operator.h

@@ -14,8 +14,8 @@
 #include "src/compiler/write-barrier-kind.h"
 #include "src/deoptimizer/deoptimize-reason.h"
 #include "src/globals.h"
-#include "src/handles.h"
-#include "src/maybe-handles.h"
+#include "src/handles/handles.h"
+#include "src/handles/maybe-handles.h"
 #include "src/objects.h"
 #include "src/type-hints.h"
 #include "src/vector-slot-pair.h"

src/compiler/types.cc

@@ -6,7 +6,7 @@
 
 #include "src/compiler/types.h"
 
-#include "src/handles-inl.h"
+#include "src/handles/handles-inl.h"
 #include "src/objects-inl.h"
 #include "src/ostreams.h"
 

src/compiler/types.h

@@ -8,7 +8,7 @@
 #include "src/base/compiler-specific.h"
 #include "src/compiler/js-heap-broker.h"
 #include "src/globals.h"
-#include "src/handles.h"
+#include "src/handles/handles.h"
 #include "src/numbers/conversions.h"
 #include "src/objects.h"
 #include "src/ostreams.h"

src/debug/debug-coverage.h

@@ -8,7 +8,7 @@
 #include <vector>
 
 #include "src/debug/debug-interface.h"
-#include "src/handles.h"
+#include "src/handles/handles.h"
 #include "src/objects.h"
 
 namespace v8 {

src/debug/debug-property-iterator.h

@@ -7,7 +7,7 @@
 
 #include "src/debug/debug-interface.h"
 #include "src/execution/isolate.h"
-#include "src/handles.h"
+#include "src/handles/handles.h"
 #include "src/objects/prototype.h"
 
 #include "include/v8.h"

src/debug/debug-type-profile.h

@@ -8,7 +8,7 @@
 #include <vector>
 
 #include "src/debug/debug-interface.h"
-#include "src/handles.h"
+#include "src/handles/handles.h"
 #include "src/objects.h"
 
 namespace v8 {

src/debug/debug.cc

@@ -22,8 +22,8 @@
 #include "src/execution/frames-inl.h"
 #include "src/execution/isolate-inl.h"
 #include "src/execution/message-template.h"
-#include "src/global-handles.h"
 #include "src/globals.h"
+#include "src/handles/global-handles.h"
 #include "src/heap/heap-inl.h"  // For NextDebuggingId.
 #include "src/init/bootstrapper.h"
 #include "src/interpreter/bytecode-array-accessor.h"

src/debug/debug.h

@@ -13,7 +13,7 @@
 #include "src/execution/frames.h"
 #include "src/execution/isolate.h"
 #include "src/globals.h"
-#include "src/handles.h"
+#include "src/handles/handles.h"
 #include "src/objects/debug-objects.h"
 
 namespace v8 {

src/debug/liveedit.h

@@ -8,7 +8,7 @@
 #include <vector>
 
 #include "src/globals.h"
-#include "src/handles.h"
+#include "src/handles/handles.h"
 
 namespace v8 {
 namespace debug {

src/deoptimizer/deoptimizer.cc

@@ -14,7 +14,7 @@
 #include "src/codegen/register-configuration.h"
 #include "src/diagnostics/disasm.h"
 #include "src/execution/frames-inl.h"
-#include "src/global-handles.h"
+#include "src/handles/global-handles.h"
 #include "src/heap/heap-inl.h"
 #include "src/interpreter/interpreter.h"
 #include "src/logging/counters.h"

src/diagnostics/gdb-jit.cc

@@ -12,7 +12,7 @@
 #include "src/base/platform/platform.h"
 #include "src/execution/frames-inl.h"
 #include "src/execution/frames.h"
-#include "src/global-handles.h"
+#include "src/handles/global-handles.h"
 #include "src/init/bootstrapper.h"
 #include "src/objects.h"
 #include "src/ostreams.h"

src/execution/arguments-inl.h

@@ -7,7 +7,7 @@
 
 #include "src/execution/arguments.h"
 
-#include "src/handles-inl.h"
+#include "src/handles/handles-inl.h"
 #include "src/objects-inl.h"  // TODO(jkummerow): Just smi-inl.h.
 
 namespace v8 {

src/execution/arguments.h

@@ -6,7 +6,7 @@
 #define V8_EXECUTION_ARGUMENTS_H_
 
 #include "src/allocation.h"
-#include "src/handles.h"
+#include "src/handles/handles.h"
 #include "src/logging/counters.h"
 #include "src/objects.h"
 #include "src/objects/slots.h"

src/execution/frames.h

@@ -6,7 +6,7 @@
 #define V8_EXECUTION_FRAMES_H_
 
 #include "src/codegen/safepoint-table.h"
-#include "src/handles.h"
+#include "src/handles/handles.h"
 #include "src/objects.h"
 #include "src/objects/code.h"
 

src/execution/futex-emulation.cc

@@ -9,7 +9,7 @@
 #include "src/base/macros.h"
 #include "src/base/platform/time.h"
 #include "src/execution/isolate.h"
-#include "src/handles-inl.h"
+#include "src/handles/handles-inl.h"
 #include "src/numbers/conversions.h"
 #include "src/objects-inl.h"
 #include "src/objects/js-array-buffer-inl.h"

src/execution/isolate.h

@@ -25,7 +25,7 @@
 #include "src/execution/isolate-data.h"
 #include "src/execution/messages.h"
 #include "src/globals.h"
-#include "src/handles.h"
+#include "src/handles/handles.h"
 #include "src/heap/factory.h"
 #include "src/heap/heap.h"
 #include "src/heap/read-only-heap.h"

src/execution/messages.h

@@ -13,7 +13,7 @@
 #include <memory>
 
 #include "src/execution/message-template.h"
-#include "src/handles.h"
+#include "src/handles/handles.h"
 
 namespace v8 {
 namespace internal {

src/execution/microtask-queue.cc

@@ -10,7 +10,7 @@
 #include "src/api/api-inl.h"
 #include "src/base/logging.h"
 #include "src/execution/isolate.h"
-#include "src/handles-inl.h"
+#include "src/handles/handles-inl.h"
 #include "src/objects/microtask-inl.h"
 #include "src/roots-inl.h"
 #include "src/tracing/trace-event.h"

src/execution/runtime-profiler.cc

@@ -10,7 +10,7 @@
 #include "src/codegen/compiler.h"
 #include "src/execution/execution.h"
 #include "src/execution/frames-inl.h"
-#include "src/global-handles.h"
+#include "src/handles/global-handles.h"
 #include "src/init/bootstrapper.h"
 #include "src/interpreter/interpreter.h"
 #include "src/tracing/trace-event.h"

src/extensions/externalize-string-extension.cc

@@ -6,7 +6,7 @@
 
 #include "src/api/api-inl.h"
 #include "src/execution/isolate.h"
-#include "src/handles.h"
+#include "src/handles/handles.h"
 #include "src/objects-inl.h"
 
 namespace v8 {

src/handles/OWNERS

@@ -0,0 +1,4 @@
+ishell@chromium.org
+jkummerow@chromium.org
+mlippautz@chromium.org
+yangguo@chromium.org

src/handles/global-handles.cc

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "src/global-handles.h"
+#include "src/handles/global-handles.h"
 
 #include "src/api/api-inl.h"
 #include "src/base/compiler-specific.h"
@@ -396,12 +396,8 @@ class GlobalHandles::Node final : public NodeBase<GlobalHandles::Node> {
 
   // State and flag accessors.
 
-  State state() const {
-    return NodeState::decode(flags_);
-  }
-  void set_state(State state) {
-    flags_ = NodeState::update(flags_, state);
-  }
+  State state() const { return NodeState::decode(flags_); }
+  void set_state(State state) { flags_ = NodeState::update(flags_, state); }
 
   bool is_in_young_list() const { return IsInYoungList::decode(flags_); }
   void set_in_young_list(bool v) { flags_ = IsInYoungList::update(flags_, v); }
@@ -578,13 +574,9 @@ class GlobalHandles::Node final : public NodeBase<GlobalHandles::Node> {
 
  private:
   // Fields that are not used for managing node memory.
-  void ClearImplFields() {
-    weak_callback_ = nullptr;
-  }
+  void ClearImplFields() { weak_callback_ = nullptr; }
 
-  void CheckImplFieldsAreCleared() {
-    DCHECK_EQ(nullptr, weak_callback_);
-  }
+  void CheckImplFieldsAreCleared() { DCHECK_EQ(nullptr, weak_callback_); }
 
   // This stores three flags (independent, partially_dependent and
   // in_young_list) and a State.
@@ -1287,7 +1279,6 @@ void GlobalHandles::PrintStats() {
   PrintF("  # total      = %d\n", total);
 }
 
-
 void GlobalHandles::Print() {
   PrintF("Global handles:\n");
   for (Node* node : *regular_nodes_) {

src/handles/global-handles.h

@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef V8_GLOBAL_HANDLES_H_
-#define V8_GLOBAL_HANDLES_H_
+#ifndef V8_HANDLES_GLOBAL_HANDLES_H_
+#define V8_HANDLES_GLOBAL_HANDLES_H_
 
 #include <type_traits>
 #include <utility>
@@ -12,7 +12,7 @@
 #include "include/v8.h"
 #include "include/v8-profiler.h"
 
-#include "src/handles.h"
+#include "src/handles/handles.h"
 #include "src/objects.h"
 #include "src/utils.h"
 
@@ -309,4 +309,4 @@ class EternalHandles final {
 }  // namespace internal
 }  // namespace v8
 
-#endif  // V8_GLOBAL_HANDLES_H_
+#endif  // V8_HANDLES_GLOBAL_HANDLES_H_

src/handles/handles-inl.h

@@ -2,11 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef V8_HANDLES_INL_H_
-#define V8_HANDLES_INL_H_
+#ifndef V8_HANDLES_HANDLES_INL_H_
+#define V8_HANDLES_HANDLES_INL_H_
 
 #include "src/execution/isolate.h"
-#include "src/handles.h"
+#include "src/handles/handles.h"
 #include "src/sanitizer/msan.h"
 
 namespace v8 {
@@ -175,4 +175,4 @@ inline SealHandleScope::~SealHandleScope() {
 }  // namespace internal
 }  // namespace v8
 
-#endif  // V8_HANDLES_INL_H_
+#endif  // V8_HANDLES_HANDLES_INL_H_

src/handles/handles.cc

@@ -2,13 +2,13 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "src/handles.h"
+#include "src/handles/handles.h"
 
 #include "src/address-map.h"
 #include "src/api/api.h"
 #include "src/base/logging.h"
+#include "src/handles/maybe-handles.h"
 #include "src/identity-map.h"
-#include "src/maybe-handles.h"
 #include "src/objects-inl.h"
 #include "src/roots-inl.h"
 

src/handles/handles.h

@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef V8_HANDLES_H_
-#define V8_HANDLES_H_
+#ifndef V8_HANDLES_HANDLES_H_
+#define V8_HANDLES_HANDLES_H_
 
 #include <type_traits>
 
@@ -364,4 +364,4 @@ struct HandleScopeData final {
 }  // namespace internal
 }  // namespace v8
 
-#endif  // V8_HANDLES_H_
+#endif  // V8_HANDLES_HANDLES_H_

src/handles/maybe-handles-inl.h

@@ -2,12 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef V8_MAYBE_HANDLES_INL_H_
-#define V8_MAYBE_HANDLES_INL_H_
+#ifndef V8_HANDLES_MAYBE_HANDLES_INL_H_
+#define V8_HANDLES_MAYBE_HANDLES_INL_H_
 
-#include "src/maybe-handles.h"
+#include "src/handles/maybe-handles.h"
 
-#include "src/handles-inl.h"
+#include "src/handles/handles-inl.h"
 #include "src/objects/maybe-object-inl.h"
 
 namespace v8 {
@@ -83,4 +83,4 @@ inline MaybeObjectHandle handle(MaybeObject object, Isolate* isolate) {
 }  // namespace internal
 }  // namespace v8
 
-#endif  // V8_MAYBE_HANDLES_INL_H_
+#endif  // V8_HANDLES_MAYBE_HANDLES_INL_H_

src/handles/maybe-handles.h

@@ -2,12 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef V8_MAYBE_HANDLES_H_
-#define V8_MAYBE_HANDLES_H_
+#ifndef V8_HANDLES_MAYBE_HANDLES_H_
+#define V8_HANDLES_MAYBE_HANDLES_H_
 
 #include <type_traits>
 
-#include "src/handles.h"
+#include "src/handles/handles.h"
 
 namespace v8 {
 namespace internal {
@@ -118,4 +118,4 @@ class MaybeObjectHandle {
 }  // namespace internal
 }  // namespace v8
 
-#endif  // V8_MAYBE_HANDLES_H_
+#endif  // V8_HANDLES_MAYBE_HANDLES_H_

src/heap/factory-inl.h

@@ -10,7 +10,7 @@
 // Clients of this interface shouldn't depend on lots of heap internals.
 // Do not include anything from src/heap here!
 #include "src/execution/isolate-inl.h"
-#include "src/handles-inl.h"
+#include "src/handles/handles-inl.h"
 #include "src/objects-inl.h"
 #include "src/objects/feedback-cell.h"
 #include "src/objects/heap-number-inl.h"

src/heap/factory.h

@@ -11,9 +11,9 @@
 #include "src/execution/messages.h"
 #include "src/function-kind.h"
 #include "src/globals.h"
-#include "src/handles.h"
+#include "src/handles/handles.h"
+#include "src/handles/maybe-handles.h"
 #include "src/heap/heap.h"
-#include "src/maybe-handles.h"
 #include "src/objects/code.h"
 #include "src/objects/dictionary.h"
 #include "src/objects/js-array.h"

src/heap/heap.cc

@@ -22,7 +22,7 @@
 #include "src/execution/runtime-profiler.h"
 #include "src/execution/vm-state-inl.h"
 #include "src/feedback-vector.h"
-#include "src/global-handles.h"
+#include "src/handles/global-handles.h"
 #include "src/heap/array-buffer-collector.h"
 #include "src/heap/array-buffer-tracker-inl.h"
 #include "src/heap/barrier.h"

src/heap/mark-compact.cc

@@ -13,7 +13,7 @@
 #include "src/execution/execution.h"
 #include "src/execution/frames-inl.h"
 #include "src/execution/vm-state-inl.h"
-#include "src/global-handles.h"
+#include "src/handles/global-handles.h"
 #include "src/heap/array-buffer-collector.h"
 #include "src/heap/array-buffer-tracker-inl.h"
 #include "src/heap/gc-tracer.h"

src/ic/handler-configuration-inl.h

@@ -7,7 +7,7 @@
 
 #include "src/ic/handler-configuration.h"
 
-#include "src/handles-inl.h"
+#include "src/handles/handles-inl.h"
 #include "src/objects-inl.h"
 #include "src/objects/data-handler-inl.h"
 #include "src/objects/field-index-inl.h"

src/ic/handler-configuration.h

@@ -6,7 +6,7 @@
 #define V8_IC_HANDLER_CONFIGURATION_H_
 
 #include "src/globals.h"
-#include "src/maybe-handles.h"
+#include "src/handles/maybe-handles.h"
 #include "src/objects.h"
 #include "src/objects/data-handler.h"
 #include "src/objects/elements-kind.h"

src/ic/ic-inl.h

@@ -10,7 +10,7 @@
 #include "src/codegen/assembler-inl.h"
 #include "src/debug/debug.h"
 #include "src/execution/frames-inl.h"
-#include "src/handles-inl.h"
+#include "src/handles/handles-inl.h"
 #include "src/objects/prototype.h"
 
 namespace v8 {

src/ic/ic.cc

@@ -14,7 +14,7 @@
 #include "src/execution/execution.h"
 #include "src/execution/frames-inl.h"
 #include "src/execution/isolate-inl.h"
-#include "src/handles-inl.h"
+#include "src/handles/handles-inl.h"
 #include "src/ic/call-optimization.h"
 #include "src/ic/handler-configuration-inl.h"
 #include "src/ic/ic-inl.h"

src/identity-map.h

@@ -6,7 +6,7 @@
 #define V8_IDENTITY_MAP_H_
 
 #include "src/base/functional.h"
-#include "src/handles.h"
+#include "src/handles/handles.h"
 #include "src/objects/heap-object.h"
 
 namespace v8 {

src/interpreter/bytecode-array-accessor.h

@@ -6,7 +6,7 @@
 #define V8_INTERPRETER_BYTECODE_ARRAY_ACCESSOR_H_
 
 #include "src/globals.h"
-#include "src/handles.h"
+#include "src/handles/handles.h"
 #include "src/interpreter/bytecode-register.h"
 #include "src/interpreter/bytecodes.h"
 #include "src/objects.h"

src/keys.cc

@@ -6,7 +6,7 @@
 
 #include "src/api/api-arguments-inl.h"
 #include "src/execution/isolate-inl.h"
-#include "src/handles-inl.h"
+#include "src/handles/handles-inl.h"
 #include "src/heap/factory.h"
 #include "src/identity-map.h"
 #include "src/objects-inl.h"

src/logging/log.cc

@@ -18,7 +18,7 @@
 #include "src/execution/isolate.h"
 #include "src/execution/runtime-profiler.h"
 #include "src/execution/vm-state-inl.h"
-#include "src/global-handles.h"
+#include "src/handles/global-handles.h"
 #include "src/init/bootstrapper.h"
 #include "src/interpreter/bytecodes.h"
 #include "src/interpreter/interpreter.h"

src/numbers/conversions.cc

@@ -10,7 +10,7 @@
 
 #include "src/allocation.h"
 #include "src/assert-scope.h"
-#include "src/handles.h"
+#include "src/handles/handles.h"
 #include "src/heap/factory.h"
 #include "src/numbers/dtoa.h"
 #include "src/numbers/strtod.h"

src/objects-inl.h

@@ -16,7 +16,7 @@
 
 #include "src/base/bits.h"
 #include "src/builtins/builtins.h"
-#include "src/handles-inl.h"
+#include "src/handles/handles-inl.h"
 #include "src/heap/factory.h"
 #include "src/heap/heap-write-barrier-inl.h"
 #include "src/keys.h"

src/objects/debug-objects.cc

@@ -5,7 +5,7 @@
 #include "src/objects/debug-objects.h"
 
 #include "src/debug/debug-evaluate.h"
-#include "src/handles-inl.h"
+#include "src/handles/handles-inl.h"
 #include "src/objects/debug-objects-inl.h"
 #include "src/ostreams.h"
 

src/objects/descriptor-array-inl.h

@@ -8,9 +8,9 @@
 #include "src/objects/descriptor-array.h"
 
 #include "src/execution/isolate.h"
+#include "src/handles/maybe-handles-inl.h"
 #include "src/heap/heap-write-barrier.h"
 #include "src/heap/heap.h"
-#include "src/maybe-handles-inl.h"
 #include "src/objects/field-type.h"
 #include "src/objects/heap-object-inl.h"
 #include "src/objects/lookup-cache-inl.h"

src/objects/elements-inl.h

@@ -7,7 +7,7 @@
 
 #include "src/objects/elements.h"
 
-#include "src/handles-inl.h"
+#include "src/handles/handles-inl.h"
 #include "src/objects-inl.h"
 
 namespace v8 {

src/objects/embedder-data-array.h

@@ -6,7 +6,7 @@
 #define V8_OBJECTS_EMBEDDER_DATA_ARRAY_H_
 
 #include "src/globals.h"
-#include "src/maybe-handles.h"
+#include "src/handles/maybe-handles.h"
 #include "src/objects/heap-object.h"
 #include "torque-generated/field-offsets-tq.h"
 

src/objects/field-type.cc

@@ -4,7 +4,7 @@
 
 #include "src/objects/field-type.h"
 
-#include "src/handles-inl.h"
+#include "src/handles/handles-inl.h"
 #include "src/objects-inl.h"
 #include "src/objects/smi.h"
 #include "src/ostreams.h"

src/objects/fixed-array-inl.h

@@ -7,7 +7,7 @@
 
 #include "src/objects/fixed-array.h"
 
-#include "src/handles-inl.h"
+#include "src/handles/handles-inl.h"
 #include "src/heap/heap-write-barrier-inl.h"
 #include "src/numbers/conversions.h"
 #include "src/objects-inl.h"

src/objects/fixed-array.h

@@ -5,7 +5,7 @@
 #ifndef V8_OBJECTS_FIXED_ARRAY_H_
 #define V8_OBJECTS_FIXED_ARRAY_H_
 
-#include "src/maybe-handles.h"
+#include "src/handles/maybe-handles.h"
 #include "src/objects/instance-type.h"
 #include "src/objects/smi.h"
 #include "torque-generated/field-offsets-tq.h"

src/objects/intl-objects.cc

@@ -15,7 +15,7 @@
 
 #include "src/api/api-inl.h"
 #include "src/execution/isolate.h"
-#include "src/global-handles.h"
+#include "src/handles/global-handles.h"
 #include "src/heap/factory.h"
 #include "src/objects-inl.h"
 #include "src/objects/js-collator-inl.h"

src/objects/js-locale.cc

@@ -15,7 +15,7 @@
 
 #include "src/api/api.h"
 #include "src/execution/isolate.h"
-#include "src/global-handles.h"
+#include "src/handles/global-handles.h"
 #include "src/heap/factory.h"
 #include "src/objects-inl.h"
 #include "src/objects/intl-objects.h"

src/objects/js-locale.h

@@ -10,7 +10,7 @@
 #define V8_OBJECTS_JS_LOCALE_H_
 
 #include "src/execution/isolate.h"
-#include "src/global-handles.h"
+#include "src/handles/global-handles.h"
 #include "src/heap/factory.h"
 #include "src/objects.h"
 #include "src/objects/managed.h"

src/objects/js-objects.cc

@@ -9,13 +9,13 @@
 #include "src/date/date.h"
 #include "src/execution/arguments.h"
 #include "src/execution/isolate.h"
-#include "src/handles-inl.h"
+#include "src/handles/handles-inl.h"
+#include "src/handles/maybe-handles.h"
 #include "src/heap/heap-inl.h"
 #include "src/ic/ic.h"
 #include "src/init/bootstrapper.h"
 #include "src/logging/counters.h"
 #include "src/logging/log.h"
-#include "src/maybe-handles.h"
 #include "src/objects-inl.h"
 #include "src/objects/allocation-site-inl.h"
 #include "src/objects/api-callbacks.h"

src/objects/layout-descriptor-inl.h

@@ -7,7 +7,7 @@
 
 #include "src/objects/layout-descriptor.h"
 
-#include "src/handles-inl.h"
+#include "src/handles/handles-inl.h"
 #include "src/objects-inl.h"
 #include "src/objects/descriptor-array-inl.h"
 #include "src/objects/smi.h"

src/objects/layout-descriptor.cc

@@ -7,7 +7,7 @@
 #include <sstream>
 
 #include "src/base/bits.h"
-#include "src/handles-inl.h"
+#include "src/handles/handles-inl.h"
 #include "src/objects-inl.h"
 
 namespace v8 {

src/objects/lookup-inl.h

@@ -7,7 +7,7 @@
 
 #include "src/objects/lookup.h"
 
-#include "src/handles-inl.h"
+#include "src/handles/handles-inl.h"
 #include "src/heap/factory-inl.h"
 #include "src/objects-inl.h"
 #include "src/objects/api-callbacks.h"

src/objects/managed.h

@@ -7,8 +7,8 @@
 
 #include <memory>
 #include "src/execution/isolate.h"
-#include "src/global-handles.h"
-#include "src/handles.h"
+#include "src/handles/global-handles.h"
+#include "src/handles/handles.h"
 #include "src/heap/factory.h"
 #include "src/objects/foreign.h"