// Copyright 2019 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef V8_HEAP_MEMORY_MEASUREMENT_INL_H_ #define V8_HEAP_MEMORY_MEASUREMENT_INL_H_ #include "src/heap/memory-measurement.h" #include "src/objects/contexts-inl.h" #include "src/objects/contexts.h" #include "src/objects/instance-type-inl.h" #include "src/objects/instance-type.h" #include "src/objects/map-inl.h" #include "src/objects/map.h" namespace v8 { namespace internal { bool NativeContextInferrer::Infer(Isolate* isolate, Map map, HeapObject object, Address* native_context) { switch (map.visitor_id()) { case kVisitContext: return InferForContext(isolate, Context::cast(object), native_context); case kVisitNativeContext: *native_context = object.ptr(); return true; case kVisitJSFunction: return InferForJSFunction(isolate, JSFunction::cast(object), native_context); case kVisitJSApiObject: case kVisitJSArrayBuffer: case kVisitJSObject: case kVisitJSObjectFast: case kVisitJSTypedArray: case kVisitJSWeakCollection: return InferForJSObject(isolate, map, JSObject::cast(object), native_context); default: return false; } } V8_INLINE bool NativeContextStats::HasExternalBytes(Map map) { InstanceType instance_type = map.instance_type(); return (instance_type == JS_ARRAY_BUFFER_TYPE || InstanceTypeChecker::IsExternalString(instance_type)); } V8_INLINE void NativeContextStats::IncrementSize(Address context, Map map, HeapObject object, size_t size) { size_by_context_[context] += size; if (HasExternalBytes(map)) { IncrementExternalSize(context, map, object); } } } // namespace internal } // namespace v8 #endif // V8_HEAP_MEMORY_MEASUREMENT_INL_H_