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// 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.
#include "debug-helper-internal.h"
#include "src/common/ptr-compr-inl.h"
#include "torque-generated/class-debug-readers.h"
namespace i = v8::internal;
namespace v8 {
namespace internal {
namespace debug_helper_internal {
bool IsPointerCompressed(uintptr_t address) {
#if COMPRESS_POINTERS_BOOL
return address < i::kPtrComprCageReservationSize;
#else
return false;
#endif
}
uintptr_t EnsureDecompressed(uintptr_t address,
uintptr_t any_uncompressed_ptr) {
if (!COMPRESS_POINTERS_BOOL || !IsPointerCompressed(address)) return address;
return i::DecompressTaggedAny(any_uncompressed_ptr,
static_cast<i::Tagged_t>(address));
}
d::PropertyKind GetArrayKind(d::MemoryAccessResult mem_result) {
d::PropertyKind indexed_field_kind{};
switch (mem_result) {
case d::MemoryAccessResult::kOk:
indexed_field_kind = d::PropertyKind::kArrayOfKnownSize;
break;
case d::MemoryAccessResult::kAddressNotValid:
indexed_field_kind =
d::PropertyKind::kArrayOfUnknownSizeDueToInvalidMemory;
break;
default:
indexed_field_kind =
d::PropertyKind::kArrayOfUnknownSizeDueToValidButInaccessibleMemory;
break;
}
return indexed_field_kind;
}
std::vector<std::unique_ptr<ObjectProperty>> TqObject::GetProperties(
d::MemoryAccessor accessor) const {
return std::vector<std::unique_ptr<ObjectProperty>>();
}
const char* TqObject::GetName() const { return "v8::internal::Object"; }
void TqObject::Visit(TqObjectVisitor* visitor) const {
visitor->VisitObject(this);
}
bool TqObject::IsSuperclassOf(const TqObject* other) const {
return GetName() != other->GetName();
}
} // namespace debug_helper_internal
} // namespace internal
} // namespace v8
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