| // Copyright 2012 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 "src/objects.h" |
| |
| #include "src/disasm.h" |
| #include "src/disassembler.h" |
| #include "src/interpreter/bytecodes.h" |
| #include "src/objects-inl.h" |
| #include "src/ostreams.h" |
| #include "src/regexp/jsregexp.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| #ifdef OBJECT_PRINT |
| |
| void Object::Print() { |
| OFStream os(stdout); |
| this->Print(os); |
| os << std::flush; |
| } |
| |
| |
| void Object::Print(std::ostream& os) { // NOLINT |
| if (IsSmi()) { |
| Smi::cast(this)->SmiPrint(os); |
| } else { |
| HeapObject::cast(this)->HeapObjectPrint(os); |
| } |
| } |
| |
| |
| void HeapObject::PrintHeader(std::ostream& os, const char* id) { // NOLINT |
| os << reinterpret_cast<void*>(this) << ": ["; |
| if (id != nullptr) { |
| os << id; |
| } else { |
| os << map()->instance_type(); |
| } |
| os << "]"; |
| } |
| |
| |
| void HeapObject::HeapObjectPrint(std::ostream& os) { // NOLINT |
| InstanceType instance_type = map()->instance_type(); |
| |
| HandleScope scope(GetIsolate()); |
| if (instance_type < FIRST_NONSTRING_TYPE) { |
| String::cast(this)->StringPrint(os); |
| return; |
| } |
| |
| switch (instance_type) { |
| case SYMBOL_TYPE: |
| Symbol::cast(this)->SymbolPrint(os); |
| break; |
| case MAP_TYPE: |
| Map::cast(this)->MapPrint(os); |
| break; |
| case HEAP_NUMBER_TYPE: |
| HeapNumber::cast(this)->HeapNumberPrint(os); |
| break; |
| case MUTABLE_HEAP_NUMBER_TYPE: |
| os << "<mutable "; |
| HeapNumber::cast(this)->HeapNumberPrint(os); |
| os << ">"; |
| break; |
| case SIMD128_VALUE_TYPE: |
| Simd128Value::cast(this)->Simd128ValuePrint(os); |
| break; |
| case FIXED_DOUBLE_ARRAY_TYPE: |
| FixedDoubleArray::cast(this)->FixedDoubleArrayPrint(os); |
| break; |
| case FIXED_ARRAY_TYPE: |
| FixedArray::cast(this)->FixedArrayPrint(os); |
| break; |
| case BYTE_ARRAY_TYPE: |
| ByteArray::cast(this)->ByteArrayPrint(os); |
| break; |
| case BYTECODE_ARRAY_TYPE: |
| BytecodeArray::cast(this)->BytecodeArrayPrint(os); |
| break; |
| case TRANSITION_ARRAY_TYPE: |
| TransitionArray::cast(this)->TransitionArrayPrint(os); |
| break; |
| case FREE_SPACE_TYPE: |
| FreeSpace::cast(this)->FreeSpacePrint(os); |
| break; |
| |
| #define PRINT_FIXED_TYPED_ARRAY(Type, type, TYPE, ctype, size) \ |
| case Fixed##Type##Array::kInstanceType: \ |
| Fixed##Type##Array::cast(this)->FixedTypedArrayPrint(os); \ |
| break; |
| |
| TYPED_ARRAYS(PRINT_FIXED_TYPED_ARRAY) |
| #undef PRINT_FIXED_TYPED_ARRAY |
| |
| case FILLER_TYPE: |
| os << "filler"; |
| break; |
| case JS_OBJECT_TYPE: // fall through |
| case JS_API_OBJECT_TYPE: |
| case JS_SPECIAL_API_OBJECT_TYPE: |
| case JS_CONTEXT_EXTENSION_OBJECT_TYPE: |
| case JS_GENERATOR_OBJECT_TYPE: |
| case JS_PROMISE_TYPE: |
| case JS_ARGUMENTS_TYPE: |
| case JS_ERROR_TYPE: |
| JSObject::cast(this)->JSObjectPrint(os); |
| break; |
| case JS_ARRAY_TYPE: |
| JSArray::cast(this)->JSArrayPrint(os); |
| break; |
| case JS_REGEXP_TYPE: |
| JSRegExp::cast(this)->JSRegExpPrint(os); |
| break; |
| case ODDBALL_TYPE: |
| Oddball::cast(this)->to_string()->Print(os); |
| break; |
| case JS_MODULE_TYPE: |
| JSModule::cast(this)->JSModulePrint(os); |
| break; |
| case JS_BOUND_FUNCTION_TYPE: |
| JSBoundFunction::cast(this)->JSBoundFunctionPrint(os); |
| break; |
| case JS_FUNCTION_TYPE: |
| JSFunction::cast(this)->JSFunctionPrint(os); |
| break; |
| case JS_GLOBAL_PROXY_TYPE: |
| JSGlobalProxy::cast(this)->JSGlobalProxyPrint(os); |
| break; |
| case JS_GLOBAL_OBJECT_TYPE: |
| JSGlobalObject::cast(this)->JSGlobalObjectPrint(os); |
| break; |
| case JS_VALUE_TYPE: |
| JSValue::cast(this)->JSValuePrint(os); |
| break; |
| case JS_DATE_TYPE: |
| JSDate::cast(this)->JSDatePrint(os); |
| break; |
| case CODE_TYPE: |
| Code::cast(this)->CodePrint(os); |
| break; |
| case JS_PROXY_TYPE: |
| JSProxy::cast(this)->JSProxyPrint(os); |
| break; |
| case JS_SET_TYPE: |
| JSSet::cast(this)->JSSetPrint(os); |
| break; |
| case JS_MAP_TYPE: |
| JSMap::cast(this)->JSMapPrint(os); |
| break; |
| case JS_SET_ITERATOR_TYPE: |
| JSSetIterator::cast(this)->JSSetIteratorPrint(os); |
| break; |
| case JS_MAP_ITERATOR_TYPE: |
| JSMapIterator::cast(this)->JSMapIteratorPrint(os); |
| break; |
| case JS_WEAK_MAP_TYPE: |
| JSWeakMap::cast(this)->JSWeakMapPrint(os); |
| break; |
| case JS_WEAK_SET_TYPE: |
| JSWeakSet::cast(this)->JSWeakSetPrint(os); |
| break; |
| case FOREIGN_TYPE: |
| Foreign::cast(this)->ForeignPrint(os); |
| break; |
| case SHARED_FUNCTION_INFO_TYPE: |
| SharedFunctionInfo::cast(this)->SharedFunctionInfoPrint(os); |
| break; |
| case JS_MESSAGE_OBJECT_TYPE: |
| JSMessageObject::cast(this)->JSMessageObjectPrint(os); |
| break; |
| case CELL_TYPE: |
| Cell::cast(this)->CellPrint(os); |
| break; |
| case PROPERTY_CELL_TYPE: |
| PropertyCell::cast(this)->PropertyCellPrint(os); |
| break; |
| case WEAK_CELL_TYPE: |
| WeakCell::cast(this)->WeakCellPrint(os); |
| break; |
| case JS_ARRAY_BUFFER_TYPE: |
| JSArrayBuffer::cast(this)->JSArrayBufferPrint(os); |
| break; |
| case JS_TYPED_ARRAY_TYPE: |
| JSTypedArray::cast(this)->JSTypedArrayPrint(os); |
| break; |
| case JS_DATA_VIEW_TYPE: |
| JSDataView::cast(this)->JSDataViewPrint(os); |
| break; |
| #define MAKE_STRUCT_CASE(NAME, Name, name) \ |
| case NAME##_TYPE: \ |
| Name::cast(this)->Name##Print(os); \ |
| break; |
| STRUCT_LIST(MAKE_STRUCT_CASE) |
| #undef MAKE_STRUCT_CASE |
| |
| default: |
| os << "UNKNOWN TYPE " << map()->instance_type(); |
| UNREACHABLE(); |
| break; |
| } |
| } |
| |
| |
| void Simd128Value::Simd128ValuePrint(std::ostream& os) { // NOLINT |
| #define PRINT_SIMD128_VALUE(TYPE, Type, type, lane_count, lane_type) \ |
| if (Is##Type()) return Type::cast(this)->Type##Print(os); |
| SIMD128_TYPES(PRINT_SIMD128_VALUE) |
| #undef PRINT_SIMD128_VALUE |
| UNREACHABLE(); |
| } |
| |
| |
| void Float32x4::Float32x4Print(std::ostream& os) { // NOLINT |
| char arr[100]; |
| Vector<char> buffer(arr, arraysize(arr)); |
| os << std::string(DoubleToCString(get_lane(0), buffer)) << ", " |
| << std::string(DoubleToCString(get_lane(1), buffer)) << ", " |
| << std::string(DoubleToCString(get_lane(2), buffer)) << ", " |
| << std::string(DoubleToCString(get_lane(3), buffer)); |
| } |
| |
| |
| #define SIMD128_INT_PRINT_FUNCTION(type, lane_count) \ |
| void type::type##Print(std::ostream& os) { \ |
| char arr[100]; \ |
| Vector<char> buffer(arr, arraysize(arr)); \ |
| os << std::string(IntToCString(get_lane(0), buffer)); \ |
| for (int i = 1; i < lane_count; i++) { \ |
| os << ", " << std::string(IntToCString(get_lane(i), buffer)); \ |
| } \ |
| } |
| SIMD128_INT_PRINT_FUNCTION(Int32x4, 4) |
| SIMD128_INT_PRINT_FUNCTION(Uint32x4, 4) |
| SIMD128_INT_PRINT_FUNCTION(Int16x8, 8) |
| SIMD128_INT_PRINT_FUNCTION(Uint16x8, 8) |
| SIMD128_INT_PRINT_FUNCTION(Int8x16, 16) |
| SIMD128_INT_PRINT_FUNCTION(Uint8x16, 16) |
| #undef SIMD128_INT_PRINT_FUNCTION |
| |
| |
| #define SIMD128_BOOL_PRINT_FUNCTION(type, lane_count) \ |
| void type::type##Print(std::ostream& os) { \ |
| char arr[100]; \ |
| Vector<char> buffer(arr, arraysize(arr)); \ |
| os << std::string(get_lane(0) ? "true" : "false"); \ |
| for (int i = 1; i < lane_count; i++) { \ |
| os << ", " << std::string(get_lane(i) ? "true" : "false"); \ |
| } \ |
| } |
| SIMD128_BOOL_PRINT_FUNCTION(Bool32x4, 4) |
| SIMD128_BOOL_PRINT_FUNCTION(Bool16x8, 8) |
| SIMD128_BOOL_PRINT_FUNCTION(Bool8x16, 16) |
| #undef SIMD128_BOOL_PRINT_FUNCTION |
| |
| |
| void ByteArray::ByteArrayPrint(std::ostream& os) { // NOLINT |
| os << "byte array, data starts at " << GetDataStartAddress(); |
| } |
| |
| |
| void BytecodeArray::BytecodeArrayPrint(std::ostream& os) { // NOLINT |
| Disassemble(os); |
| } |
| |
| |
| void FreeSpace::FreeSpacePrint(std::ostream& os) { // NOLINT |
| os << "free space, size " << Size(); |
| } |
| |
| |
| template <class Traits> |
| void FixedTypedArray<Traits>::FixedTypedArrayPrint( |
| std::ostream& os) { // NOLINT |
| os << "fixed " << Traits::Designator(); |
| } |
| |
| |
| void JSObject::PrintProperties(std::ostream& os) { // NOLINT |
| if (HasFastProperties()) { |
| DescriptorArray* descs = map()->instance_descriptors(); |
| for (int i = 0; i < map()->NumberOfOwnDescriptors(); i++) { |
| os << "\n "; |
| descs->GetKey(i)->NamePrint(os); |
| os << ": "; |
| switch (descs->GetType(i)) { |
| case DATA: { |
| FieldIndex index = FieldIndex::ForDescriptor(map(), i); |
| if (IsUnboxedDoubleField(index)) { |
| os << "<unboxed double> " << RawFastDoublePropertyAt(index); |
| } else { |
| os << Brief(RawFastPropertyAt(index)); |
| } |
| os << " (data field at offset " << index.property_index() << ")"; |
| break; |
| } |
| case ACCESSOR: { |
| FieldIndex index = FieldIndex::ForDescriptor(map(), i); |
| os << " (accessor field at offset " << index.property_index() << ")"; |
| break; |
| } |
| case DATA_CONSTANT: |
| os << Brief(descs->GetConstant(i)) << " (data constant)"; |
| break; |
| case ACCESSOR_CONSTANT: |
| os << Brief(descs->GetCallbacksObject(i)) << " (accessor constant)"; |
| break; |
| } |
| } |
| } else if (IsJSGlobalObject()) { |
| global_dictionary()->Print(os); |
| } else { |
| property_dictionary()->Print(os); |
| } |
| } |
| |
| |
| template <class T> |
| static void DoPrintElements(std::ostream& os, Object* object) { // NOLINT |
| T* p = T::cast(object); |
| for (int i = 0; i < p->length(); i++) { |
| os << "\n " << i << ": " << p->get_scalar(i); |
| } |
| } |
| |
| |
| void JSObject::PrintElements(std::ostream& os) { // NOLINT |
| // Don't call GetElementsKind, its validation code can cause the printer to |
| // fail when debugging. |
| switch (map()->elements_kind()) { |
| case FAST_HOLEY_SMI_ELEMENTS: |
| case FAST_SMI_ELEMENTS: |
| case FAST_HOLEY_ELEMENTS: |
| case FAST_ELEMENTS: |
| case FAST_STRING_WRAPPER_ELEMENTS: { |
| // Print in array notation for non-sparse arrays. |
| FixedArray* p = FixedArray::cast(elements()); |
| for (int i = 0; i < p->length(); i++) { |
| os << "\n " << i << ": " << Brief(p->get(i)); |
| } |
| break; |
| } |
| case FAST_HOLEY_DOUBLE_ELEMENTS: |
| case FAST_DOUBLE_ELEMENTS: { |
| // Print in array notation for non-sparse arrays. |
| if (elements()->length() > 0) { |
| FixedDoubleArray* p = FixedDoubleArray::cast(elements()); |
| for (int i = 0; i < p->length(); i++) { |
| os << "\n " << i << ": "; |
| if (p->is_the_hole(i)) { |
| os << "<the hole>"; |
| } else { |
| os << p->get_scalar(i); |
| } |
| } |
| } |
| break; |
| } |
| |
| |
| #define PRINT_ELEMENTS(Kind, Type) \ |
| case Kind: { \ |
| DoPrintElements<Type>(os, elements()); \ |
| break; \ |
| } |
| |
| PRINT_ELEMENTS(UINT8_ELEMENTS, FixedUint8Array) |
| PRINT_ELEMENTS(UINT8_CLAMPED_ELEMENTS, FixedUint8ClampedArray) |
| PRINT_ELEMENTS(INT8_ELEMENTS, FixedInt8Array) |
| PRINT_ELEMENTS(UINT16_ELEMENTS, FixedUint16Array) |
| PRINT_ELEMENTS(INT16_ELEMENTS, FixedInt16Array) |
| PRINT_ELEMENTS(UINT32_ELEMENTS, FixedUint32Array) |
| PRINT_ELEMENTS(INT32_ELEMENTS, FixedInt32Array) |
| PRINT_ELEMENTS(FLOAT32_ELEMENTS, FixedFloat32Array) |
| PRINT_ELEMENTS(FLOAT64_ELEMENTS, FixedFloat64Array) |
| |
| #undef PRINT_ELEMENTS |
| |
| case DICTIONARY_ELEMENTS: |
| case SLOW_STRING_WRAPPER_ELEMENTS: |
| SeededNumberDictionary::cast(elements())->Print(os); |
| break; |
| case FAST_SLOPPY_ARGUMENTS_ELEMENTS: |
| case SLOW_SLOPPY_ARGUMENTS_ELEMENTS: { |
| FixedArray* p = FixedArray::cast(elements()); |
| os << "\n parameter map:"; |
| for (int i = 2; i < p->length(); i++) { |
| os << " " << (i - 2) << ":" << Brief(p->get(i)); |
| } |
| os << "\n context: " << Brief(p->get(0)) |
| << "\n arguments: " << Brief(p->get(1)); |
| break; |
| } |
| case NO_ELEMENTS: |
| break; |
| } |
| } |
| |
| |
| static void JSObjectPrintHeader(std::ostream& os, JSObject* obj, |
| const char* id) { // NOLINT |
| obj->PrintHeader(os, id); |
| // Don't call GetElementsKind, its validation code can cause the printer to |
| // fail when debugging. |
| os << "\n - map = " << reinterpret_cast<void*>(obj->map()) << " ["; |
| if (obj->HasFastProperties()) { |
| os << "FastProperties"; |
| } else { |
| os << "DictionaryProperties"; |
| } |
| PrototypeIterator iter(obj->GetIsolate(), obj); |
| os << "]\n - prototype = " << reinterpret_cast<void*>(iter.GetCurrent()); |
| os << "\n - elements = " << Brief(obj->elements()) << " [" |
| << ElementsKindToString(obj->map()->elements_kind()); |
| if (obj->elements()->map() == obj->GetHeap()->fixed_cow_array_map()) { |
| os << " (COW)"; |
| } |
| os << "]"; |
| } |
| |
| |
| static void JSObjectPrintBody(std::ostream& os, JSObject* obj, // NOLINT |
| bool print_elements = true) { |
| os << "\n - properties = {"; |
| obj->PrintProperties(os); |
| os << "\n }\n"; |
| if (print_elements && obj->elements()->length() > 0) { |
| os << " - elements = {"; |
| obj->PrintElements(os); |
| os << "\n }\n"; |
| } |
| } |
| |
| |
| void JSObject::JSObjectPrint(std::ostream& os) { // NOLINT |
| JSObjectPrintHeader(os, this, nullptr); |
| JSObjectPrintBody(os, this); |
| } |
| |
| void JSArray::JSArrayPrint(std::ostream& os) { // NOLINT |
| JSObjectPrintHeader(os, this, "JSArray"); |
| os << "\n - length = " << Brief(this->length()); |
| JSObjectPrintBody(os, this); |
| } |
| |
| |
| void JSRegExp::JSRegExpPrint(std::ostream& os) { // NOLINT |
| JSObjectPrintHeader(os, this, "JSRegExp"); |
| os << "\n - data = " << Brief(data()); |
| JSObjectPrintBody(os, this); |
| } |
| |
| |
| void JSModule::JSModulePrint(std::ostream& os) { // NOLINT |
| JSObjectPrintHeader(os, this, "JSModule"); |
| os << "\n - context = " << Brief(context()); |
| os << " - scope_info = " << Brief(scope_info()); |
| JSObjectPrintBody(os, this); |
| } |
| |
| |
| void Symbol::SymbolPrint(std::ostream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "Symbol"); |
| os << "\n - hash: " << Hash(); |
| os << "\n - name: " << Brief(name()); |
| if (name()->IsUndefined(GetIsolate())) { |
| os << " (" << PrivateSymbolToName() << ")"; |
| } |
| os << "\n - private: " << is_private(); |
| os << "\n"; |
| } |
| |
| |
| void Map::MapPrint(std::ostream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "Map"); |
| os << "\n - type: " << instance_type(); |
| os << "\n - instance size: " << instance_size(); |
| if (IsJSObjectMap()) { |
| os << "\n - inobject properties: " << GetInObjectProperties(); |
| } |
| os << "\n - elements kind: " << ElementsKindToString(elements_kind()); |
| os << "\n - unused property fields: " << unused_property_fields(); |
| os << "\n - enum length: "; |
| if (EnumLength() == kInvalidEnumCacheSentinel) { |
| os << "invalid"; |
| } else { |
| os << EnumLength(); |
| } |
| if (is_deprecated()) os << "\n - deprecated_map"; |
| if (is_stable()) os << "\n - stable_map"; |
| if (is_dictionary_map()) os << "\n - dictionary_map"; |
| if (has_hidden_prototype()) os << "\n - has_hidden_prototype"; |
| if (has_named_interceptor()) os << " - named_interceptor"; |
| if (has_indexed_interceptor()) os << "\n - indexed_interceptor"; |
| if (is_undetectable()) os << "\n - undetectable"; |
| if (is_callable()) os << "\n - callable"; |
| if (is_constructor()) os << "\n - constructor"; |
| if (is_access_check_needed()) os << "\n - access_check_needed"; |
| if (!is_extensible()) os << "\n - non-extensible"; |
| if (is_prototype_map()) { |
| os << "\n - prototype_map"; |
| os << "\n - prototype info: " << Brief(prototype_info()); |
| } else { |
| os << "\n - back pointer: " << Brief(GetBackPointer()); |
| } |
| os << "\n - instance descriptors " << (owns_descriptors() ? "(own) " : "") |
| << "#" << NumberOfOwnDescriptors() << ": " |
| << Brief(instance_descriptors()); |
| if (FLAG_unbox_double_fields) { |
| os << "\n - layout descriptor: " << Brief(layout_descriptor()); |
| } |
| int nof_transitions = TransitionArray::NumberOfTransitions(raw_transitions()); |
| if (nof_transitions > 0) { |
| os << "\n - transitions #" << nof_transitions << ": " |
| << Brief(raw_transitions()); |
| TransitionArray::PrintTransitions(os, raw_transitions(), false); |
| } |
| os << "\n - prototype: " << Brief(prototype()); |
| os << "\n - constructor: " << Brief(GetConstructor()); |
| os << "\n - code cache: " << Brief(code_cache()); |
| os << "\n - dependent code: " << Brief(dependent_code()); |
| os << "\n - construction counter: " << construction_counter(); |
| os << "\n"; |
| } |
| |
| |
| void TypeFeedbackInfo::TypeFeedbackInfoPrint(std::ostream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "TypeFeedbackInfo"); |
| os << "\n - ic_total_count: " << ic_total_count() |
| << ", ic_with_type_info_count: " << ic_with_type_info_count() |
| << ", ic_generic_count: " << ic_generic_count() << "\n"; |
| } |
| |
| |
| void AliasedArgumentsEntry::AliasedArgumentsEntryPrint( |
| std::ostream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "AliasedArgumentsEntry"); |
| os << "\n - aliased_context_slot: " << aliased_context_slot(); |
| } |
| |
| |
| void FixedArray::FixedArrayPrint(std::ostream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "FixedArray"); |
| os << "\n - length: " << length(); |
| for (int i = 0; i < length(); i++) { |
| os << "\n [" << i << "]: " << Brief(get(i)); |
| } |
| os << "\n"; |
| } |
| |
| |
| void FixedDoubleArray::FixedDoubleArrayPrint(std::ostream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "FixedDoubleArray"); |
| os << "\n - length: " << length(); |
| for (int i = 0; i < length(); i++) { |
| os << "\n [" << i << "]: "; |
| if (is_the_hole(i)) { |
| os << "<the hole>"; |
| } else { |
| os << get_scalar(i); |
| } |
| } |
| os << "\n"; |
| } |
| |
| |
| void TransitionArray::TransitionArrayPrint(std::ostream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "TransitionArray"); |
| os << "\n - capacity: " << length(); |
| for (int i = 0; i < length(); i++) { |
| os << "\n [" << i << "]: " << Brief(get(i)); |
| if (i == kNextLinkIndex) os << " (next link)"; |
| if (i == kPrototypeTransitionsIndex) os << " (prototype transitions)"; |
| if (i == kTransitionLengthIndex) os << " (number of transitions)"; |
| } |
| os << "\n"; |
| } |
| |
| template void FeedbackVectorSpecBase<StaticFeedbackVectorSpec>::Print(); |
| template void FeedbackVectorSpecBase<FeedbackVectorSpec>::Print(); |
| |
| template <typename Derived> |
| void FeedbackVectorSpecBase<Derived>::Print() { |
| OFStream os(stdout); |
| FeedbackVectorSpecPrint(os); |
| os << std::flush; |
| } |
| |
| template <typename Derived> |
| void FeedbackVectorSpecBase<Derived>::FeedbackVectorSpecPrint( |
| std::ostream& os) { // NOLINT |
| int slot_count = This()->slots(); |
| os << " - slot_count: " << slot_count; |
| if (slot_count == 0) { |
| os << " (empty)\n"; |
| return; |
| } |
| |
| for (int slot = 0, name_index = 0; slot < slot_count;) { |
| FeedbackVectorSlotKind kind = This()->GetKind(slot); |
| int entry_size = TypeFeedbackMetadata::GetSlotSize(kind); |
| DCHECK_LT(0, entry_size); |
| |
| os << "\n Slot #" << slot << " " << kind; |
| if (TypeFeedbackMetadata::SlotRequiresName(kind)) { |
| os << ", " << Brief(*This()->GetName(name_index++)); |
| } |
| |
| slot += entry_size; |
| } |
| os << "\n"; |
| } |
| |
| void TypeFeedbackMetadata::Print() { |
| OFStream os(stdout); |
| TypeFeedbackMetadataPrint(os); |
| os << std::flush; |
| } |
| |
| |
| void TypeFeedbackMetadata::TypeFeedbackMetadataPrint( |
| std::ostream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "TypeFeedbackMetadata"); |
| os << "\n - length: " << length(); |
| if (length() == 0) { |
| os << " (empty)\n"; |
| return; |
| } |
| os << "\n - slot_count: " << slot_count(); |
| |
| TypeFeedbackMetadataIterator iter(this); |
| while (iter.HasNext()) { |
| FeedbackVectorSlot slot = iter.Next(); |
| FeedbackVectorSlotKind kind = iter.kind(); |
| os << "\n Slot " << slot << " " << kind; |
| if (TypeFeedbackMetadata::SlotRequiresName(kind)) { |
| os << ", " << Brief(iter.name()); |
| } |
| } |
| os << "\n"; |
| } |
| |
| |
| void TypeFeedbackVector::Print() { |
| OFStream os(stdout); |
| TypeFeedbackVectorPrint(os); |
| os << std::flush; |
| } |
| |
| |
| void TypeFeedbackVector::TypeFeedbackVectorPrint(std::ostream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "TypeFeedbackVector"); |
| os << "\n - length: " << length(); |
| if (length() == 0) { |
| os << " (empty)\n"; |
| return; |
| } |
| |
| TypeFeedbackMetadataIterator iter(metadata()); |
| while (iter.HasNext()) { |
| FeedbackVectorSlot slot = iter.Next(); |
| FeedbackVectorSlotKind kind = iter.kind(); |
| |
| os << "\n Slot " << slot << " " << kind; |
| if (TypeFeedbackMetadata::SlotRequiresName(kind)) { |
| os << ", " << Brief(iter.name()); |
| } |
| os << " "; |
| switch (kind) { |
| case FeedbackVectorSlotKind::LOAD_IC: { |
| LoadICNexus nexus(this, slot); |
| os << Code::ICState2String(nexus.StateFromFeedback()); |
| break; |
| } |
| case FeedbackVectorSlotKind::LOAD_GLOBAL_IC: { |
| LoadGlobalICNexus nexus(this, slot); |
| os << Code::ICState2String(nexus.StateFromFeedback()); |
| break; |
| } |
| case FeedbackVectorSlotKind::KEYED_LOAD_IC: { |
| KeyedLoadICNexus nexus(this, slot); |
| os << Code::ICState2String(nexus.StateFromFeedback()); |
| break; |
| } |
| case FeedbackVectorSlotKind::CALL_IC: { |
| CallICNexus nexus(this, slot); |
| os << Code::ICState2String(nexus.StateFromFeedback()); |
| break; |
| } |
| case FeedbackVectorSlotKind::STORE_IC: { |
| StoreICNexus nexus(this, slot); |
| os << Code::ICState2String(nexus.StateFromFeedback()); |
| break; |
| } |
| case FeedbackVectorSlotKind::KEYED_STORE_IC: { |
| KeyedStoreICNexus nexus(this, slot); |
| os << Code::ICState2String(nexus.StateFromFeedback()); |
| break; |
| } |
| case FeedbackVectorSlotKind::GENERAL: |
| break; |
| case FeedbackVectorSlotKind::INVALID: |
| case FeedbackVectorSlotKind::KINDS_NUMBER: |
| UNREACHABLE(); |
| break; |
| } |
| |
| int entry_size = iter.entry_size(); |
| for (int i = 0; i < entry_size; i++) { |
| int index = GetIndex(slot) + i; |
| os << "\n [" << index << "]: " << Brief(get(index)); |
| } |
| } |
| os << "\n"; |
| } |
| |
| |
| void JSValue::JSValuePrint(std::ostream& os) { // NOLINT |
| JSObjectPrintHeader(os, this, "JSValue"); |
| os << "\n - value = " << Brief(value()); |
| JSObjectPrintBody(os, this); |
| } |
| |
| |
| void JSMessageObject::JSMessageObjectPrint(std::ostream& os) { // NOLINT |
| JSObjectPrintHeader(os, this, "JSMessageObject"); |
| os << "\n - type: " << type(); |
| os << "\n - arguments: " << Brief(argument()); |
| os << "\n - start_position: " << start_position(); |
| os << "\n - end_position: " << end_position(); |
| os << "\n - script: " << Brief(script()); |
| os << "\n - stack_frames: " << Brief(stack_frames()); |
| JSObjectPrintBody(os, this); |
| } |
| |
| |
| void String::StringPrint(std::ostream& os) { // NOLINT |
| if (StringShape(this).IsInternalized()) { |
| os << "#"; |
| } else if (StringShape(this).IsCons()) { |
| os << "c\""; |
| } else { |
| os << "\""; |
| } |
| |
| const char truncated_epilogue[] = "...<truncated>"; |
| int len = length(); |
| if (!FLAG_use_verbose_printer) { |
| if (len > 100) { |
| len = 100 - sizeof(truncated_epilogue); |
| } |
| } |
| for (int i = 0; i < len; i++) { |
| os << AsUC16(Get(i)); |
| } |
| if (len != length()) { |
| os << truncated_epilogue; |
| } |
| |
| if (!StringShape(this).IsInternalized()) os << "\""; |
| } |
| |
| |
| void Name::NamePrint(std::ostream& os) { // NOLINT |
| if (IsString()) { |
| String::cast(this)->StringPrint(os); |
| } else { |
| os << Brief(this); |
| } |
| } |
| |
| |
| static const char* const weekdays[] = { |
| "???", "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" |
| }; |
| |
| |
| void JSDate::JSDatePrint(std::ostream& os) { // NOLINT |
| JSObjectPrintHeader(os, this, "JSDate"); |
| os << "\n - value = " << Brief(value()); |
| if (!year()->IsSmi()) { |
| os << "\n - time = NaN\n"; |
| } else { |
| // TODO(svenpanne) Add some basic formatting to our streams. |
| ScopedVector<char> buf(100); |
| SNPrintF( |
| buf, "\n - time = %s %04d/%02d/%02d %02d:%02d:%02d\n", |
| weekdays[weekday()->IsSmi() ? Smi::cast(weekday())->value() + 1 : 0], |
| year()->IsSmi() ? Smi::cast(year())->value() : -1, |
| month()->IsSmi() ? Smi::cast(month())->value() : -1, |
| day()->IsSmi() ? Smi::cast(day())->value() : -1, |
| hour()->IsSmi() ? Smi::cast(hour())->value() : -1, |
| min()->IsSmi() ? Smi::cast(min())->value() : -1, |
| sec()->IsSmi() ? Smi::cast(sec())->value() : -1); |
| os << buf.start(); |
| } |
| JSObjectPrintBody(os, this); |
| } |
| |
| |
| void JSProxy::JSProxyPrint(std::ostream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "JSProxy"); |
| os << "\n - map = " << reinterpret_cast<void*>(map()); |
| os << "\n - target = "; |
| target()->ShortPrint(os); |
| os << "\n - handler = "; |
| handler()->ShortPrint(os); |
| os << "\n - hash = "; |
| hash()->ShortPrint(os); |
| os << "\n"; |
| } |
| |
| |
| void JSSet::JSSetPrint(std::ostream& os) { // NOLINT |
| JSObjectPrintHeader(os, this, "JSSet"); |
| os << " - table = " << Brief(table()); |
| JSObjectPrintBody(os, this); |
| } |
| |
| |
| void JSMap::JSMapPrint(std::ostream& os) { // NOLINT |
| JSObjectPrintHeader(os, this, "JSMap"); |
| os << " - table = " << Brief(table()); |
| JSObjectPrintBody(os, this); |
| } |
| |
| |
| template <class Derived, class TableType> |
| void |
| OrderedHashTableIterator<Derived, TableType>::OrderedHashTableIteratorPrint( |
| std::ostream& os) { // NOLINT |
| os << "\n - table = " << Brief(table()); |
| os << "\n - index = " << Brief(index()); |
| os << "\n - kind = " << Brief(kind()); |
| os << "\n"; |
| } |
| |
| |
| template void OrderedHashTableIterator< |
| JSSetIterator, |
| OrderedHashSet>::OrderedHashTableIteratorPrint(std::ostream& os); // NOLINT |
| |
| |
| template void OrderedHashTableIterator< |
| JSMapIterator, |
| OrderedHashMap>::OrderedHashTableIteratorPrint(std::ostream& os); // NOLINT |
| |
| |
| void JSSetIterator::JSSetIteratorPrint(std::ostream& os) { // NOLINT |
| JSObjectPrintHeader(os, this, "JSSetIterator"); |
| OrderedHashTableIteratorPrint(os); |
| } |
| |
| |
| void JSMapIterator::JSMapIteratorPrint(std::ostream& os) { // NOLINT |
| JSObjectPrintHeader(os, this, "JSMapIterator"); |
| OrderedHashTableIteratorPrint(os); |
| } |
| |
| |
| void JSWeakMap::JSWeakMapPrint(std::ostream& os) { // NOLINT |
| JSObjectPrintHeader(os, this, "JSWeakMap"); |
| os << "\n - table = " << Brief(table()); |
| JSObjectPrintBody(os, this); |
| } |
| |
| |
| void JSWeakSet::JSWeakSetPrint(std::ostream& os) { // NOLINT |
| JSObjectPrintHeader(os, this, "JSWeakSet"); |
| os << "\n - table = " << Brief(table()); |
| JSObjectPrintBody(os, this); |
| } |
| |
| |
| void JSArrayBuffer::JSArrayBufferPrint(std::ostream& os) { // NOLINT |
| JSObjectPrintHeader(os, this, "JSArrayBuffer"); |
| os << "\n - backing_store = " << backing_store(); |
| os << "\n - byte_length = " << Brief(byte_length()); |
| if (was_neutered()) os << " - neutered\n"; |
| JSObjectPrintBody(os, this, !was_neutered()); |
| } |
| |
| |
| void JSTypedArray::JSTypedArrayPrint(std::ostream& os) { // NOLINT |
| JSObjectPrintHeader(os, this, "JSTypedArray"); |
| os << "\n - buffer = " << Brief(buffer()); |
| os << "\n - byte_offset = " << Brief(byte_offset()); |
| os << "\n - byte_length = " << Brief(byte_length()); |
| os << "\n - length = " << Brief(length()); |
| if (WasNeutered()) os << " - neutered\n"; |
| JSObjectPrintBody(os, this, !WasNeutered()); |
| } |
| |
| |
| void JSDataView::JSDataViewPrint(std::ostream& os) { // NOLINT |
| JSObjectPrintHeader(os, this, "JSDataView"); |
| os << "\n - buffer =" << Brief(buffer()); |
| os << "\n - byte_offset = " << Brief(byte_offset()); |
| os << "\n - byte_length = " << Brief(byte_length()); |
| if (WasNeutered()) os << " - neutered\n"; |
| JSObjectPrintBody(os, this, !WasNeutered()); |
| } |
| |
| |
| void JSBoundFunction::JSBoundFunctionPrint(std::ostream& os) { // NOLINT |
| JSObjectPrintHeader(os, this, "JSBoundFunction"); |
| os << "\n - bound_target_function = " << Brief(bound_target_function()); |
| os << "\n - bound_this = " << Brief(bound_this()); |
| os << "\n - bound_arguments = " << Brief(bound_arguments()); |
| JSObjectPrintBody(os, this); |
| } |
| |
| |
| void JSFunction::JSFunctionPrint(std::ostream& os) { // NOLINT |
| JSObjectPrintHeader(os, this, "Function"); |
| os << "\n - initial_map = "; |
| if (has_initial_map()) os << Brief(initial_map()); |
| os << "\n - shared_info = " << Brief(shared()); |
| os << "\n - name = " << Brief(shared()->name()); |
| os << "\n - formal_parameter_count = " |
| << shared()->internal_formal_parameter_count(); |
| if (shared()->is_generator()) { |
| os << "\n - generator"; |
| } else if (shared()->is_async()) { |
| os << "\n - async"; |
| } |
| os << "\n - context = " << Brief(context()); |
| os << "\n - literals = " << Brief(literals()); |
| os << "\n - code = " << Brief(code()); |
| JSObjectPrintBody(os, this); |
| } |
| |
| |
| void SharedFunctionInfo::SharedFunctionInfoPrint(std::ostream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "SharedFunctionInfo"); |
| os << "\n - name = " << Brief(name()); |
| os << "\n - formal_parameter_count = " << internal_formal_parameter_count(); |
| os << "\n - expected_nof_properties = " << expected_nof_properties(); |
| os << "\n - ast_node_count = " << ast_node_count(); |
| os << "\n - instance class name = "; |
| instance_class_name()->Print(os); |
| os << "\n - code = " << Brief(code()); |
| if (HasSourceCode()) { |
| os << "\n - source code = "; |
| String* source = String::cast(Script::cast(script())->source()); |
| int start = start_position(); |
| int length = end_position() - start; |
| base::SmartArrayPointer<char> source_string = source->ToCString( |
| DISALLOW_NULLS, FAST_STRING_TRAVERSAL, start, length, NULL); |
| os << source_string.get(); |
| } |
| // Script files are often large, hard to read. |
| // os << "\n - script ="; |
| // script()->Print(os); |
| if (is_named_expression()) { |
| os << "\n - named expression"; |
| } else if (is_anonymous_expression()) { |
| os << "\n - anonymous expression"; |
| } else if (is_declaration()) { |
| os << "\n - declaration"; |
| } |
| os << "\n - function token position = " << function_token_position(); |
| os << "\n - start position = " << start_position(); |
| os << "\n - end position = " << end_position(); |
| os << "\n - debug info = " << Brief(debug_info()); |
| os << "\n - length = " << length(); |
| os << "\n - num_literals = " << num_literals(); |
| os << "\n - optimized_code_map = " << Brief(optimized_code_map()); |
| os << "\n - feedback_metadata = "; |
| feedback_metadata()->TypeFeedbackMetadataPrint(os); |
| if (HasBytecodeArray()) { |
| os << "\n - bytecode_array = " << bytecode_array(); |
| } |
| os << "\n"; |
| } |
| |
| |
| void JSGlobalProxy::JSGlobalProxyPrint(std::ostream& os) { // NOLINT |
| os << "global_proxy "; |
| JSObjectPrint(os); |
| os << "native context : " << Brief(native_context()); |
| os << "\n"; |
| } |
| |
| |
| void JSGlobalObject::JSGlobalObjectPrint(std::ostream& os) { // NOLINT |
| os << "global "; |
| JSObjectPrint(os); |
| os << "native context : " << Brief(native_context()); |
| os << "\n"; |
| } |
| |
| |
| void Cell::CellPrint(std::ostream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "Cell"); |
| os << "\n - value: " << Brief(value()); |
| os << "\n"; |
| } |
| |
| |
| void PropertyCell::PropertyCellPrint(std::ostream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "PropertyCell"); |
| os << "\n - value: " << Brief(value()); |
| os << "\n - details: " << property_details(); |
| os << "\n"; |
| } |
| |
| |
| void WeakCell::WeakCellPrint(std::ostream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "WeakCell"); |
| if (cleared()) { |
| os << "\n - cleared"; |
| } else { |
| os << "\n - value: " << Brief(value()); |
| } |
| os << "\n"; |
| } |
| |
| |
| void Code::CodePrint(std::ostream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "Code"); |
| os << "\n"; |
| #ifdef ENABLE_DISASSEMBLER |
| if (FLAG_use_verbose_printer) { |
| Disassemble(NULL, os); |
| } |
| #endif |
| } |
| |
| |
| void Foreign::ForeignPrint(std::ostream& os) { // NOLINT |
| os << "foreign address : " << foreign_address(); |
| os << "\n"; |
| } |
| |
| |
| void AccessorInfo::AccessorInfoPrint(std::ostream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "AccessorInfo"); |
| os << "\n - name: " << Brief(name()); |
| os << "\n - flag: " << flag(); |
| os << "\n - getter: " << Brief(getter()); |
| os << "\n - setter: " << Brief(setter()); |
| os << "\n - js_getter: " << Brief(js_getter()); |
| os << "\n - data: " << Brief(data()); |
| os << "\n"; |
| } |
| |
| |
| void Box::BoxPrint(std::ostream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "Box"); |
| os << "\n - value: " << Brief(value()); |
| os << "\n"; |
| } |
| |
| |
| void PrototypeInfo::PrototypeInfoPrint(std::ostream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "PrototypeInfo"); |
| os << "\n - prototype users: " << Brief(prototype_users()); |
| os << "\n - registry slot: " << registry_slot(); |
| os << "\n - validity cell: " << Brief(validity_cell()); |
| os << "\n"; |
| } |
| |
| |
| void SloppyBlockWithEvalContextExtension:: |
| SloppyBlockWithEvalContextExtensionPrint(std::ostream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "SloppyBlockWithEvalContextExtension"); |
| os << "\n - scope_info: " << Brief(scope_info()); |
| os << "\n - extension: " << Brief(extension()); |
| os << "\n"; |
| } |
| |
| |
| void AccessorPair::AccessorPairPrint(std::ostream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "AccessorPair"); |
| os << "\n - getter: " << Brief(getter()); |
| os << "\n - setter: " << Brief(setter()); |
| os << "\n"; |
| } |
| |
| |
| void AccessCheckInfo::AccessCheckInfoPrint(std::ostream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "AccessCheckInfo"); |
| os << "\n - callback: " << Brief(callback()); |
| os << "\n - named_interceptor: " << Brief(named_interceptor()); |
| os << "\n - indexed_interceptor: " << Brief(indexed_interceptor()); |
| os << "\n - data: " << Brief(data()); |
| os << "\n"; |
| } |
| |
| |
| void InterceptorInfo::InterceptorInfoPrint(std::ostream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "InterceptorInfo"); |
| os << "\n - getter: " << Brief(getter()); |
| os << "\n - setter: " << Brief(setter()); |
| os << "\n - query: " << Brief(query()); |
| os << "\n - deleter: " << Brief(deleter()); |
| os << "\n - enumerator: " << Brief(enumerator()); |
| os << "\n - data: " << Brief(data()); |
| os << "\n"; |
| } |
| |
| |
| void CallHandlerInfo::CallHandlerInfoPrint(std::ostream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "CallHandlerInfo"); |
| os << "\n - callback: " << Brief(callback()); |
| os << "\n - data: " << Brief(data()); |
| os << "\n"; |
| } |
| |
| |
| void FunctionTemplateInfo::FunctionTemplateInfoPrint( |
| std::ostream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "FunctionTemplateInfo"); |
| os << "\n - class name: " << Brief(class_name()); |
| os << "\n - tag: " << Brief(tag()); |
| os << "\n - serial_number: " << Brief(serial_number()); |
| os << "\n - property_list: " << Brief(property_list()); |
| os << "\n - call_code: " << Brief(call_code()); |
| os << "\n - property_accessors: " << Brief(property_accessors()); |
| os << "\n - prototype_template: " << Brief(prototype_template()); |
| os << "\n - parent_template: " << Brief(parent_template()); |
| os << "\n - named_property_handler: " << Brief(named_property_handler()); |
| os << "\n - indexed_property_handler: " << Brief(indexed_property_handler()); |
| os << "\n - instance_template: " << Brief(instance_template()); |
| os << "\n - signature: " << Brief(signature()); |
| os << "\n - access_check_info: " << Brief(access_check_info()); |
| os << "\n - hidden_prototype: " << (hidden_prototype() ? "true" : "false"); |
| os << "\n - undetectable: " << (undetectable() ? "true" : "false"); |
| os << "\n - need_access_check: " << (needs_access_check() ? "true" : "false"); |
| os << "\n - instantiated: " << (instantiated() ? "true" : "false"); |
| os << "\n"; |
| } |
| |
| |
| void ObjectTemplateInfo::ObjectTemplateInfoPrint(std::ostream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "ObjectTemplateInfo"); |
| os << "\n - tag: " << Brief(tag()); |
| os << "\n - serial_number: " << Brief(serial_number()); |
| os << "\n - property_list: " << Brief(property_list()); |
| os << "\n - property_accessors: " << Brief(property_accessors()); |
| os << "\n - constructor: " << Brief(constructor()); |
| os << "\n - internal_field_count: " << Brief(internal_field_count()); |
| os << "\n"; |
| } |
| |
| |
| void AllocationSite::AllocationSitePrint(std::ostream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "AllocationSite"); |
| os << "\n - weak_next: " << Brief(weak_next()); |
| os << "\n - dependent code: " << Brief(dependent_code()); |
| os << "\n - nested site: " << Brief(nested_site()); |
| os << "\n - memento found count: " |
| << Brief(Smi::FromInt(memento_found_count())); |
| os << "\n - memento create count: " |
| << Brief(Smi::FromInt(memento_create_count())); |
| os << "\n - pretenure decision: " |
| << Brief(Smi::FromInt(pretenure_decision())); |
| os << "\n - transition_info: "; |
| if (transition_info()->IsSmi()) { |
| ElementsKind kind = GetElementsKind(); |
| os << "Array allocation with ElementsKind " << ElementsKindToString(kind); |
| } else if (transition_info()->IsJSArray()) { |
| os << "Array literal " << Brief(transition_info()); |
| } else { |
| os << "unknown transition_info" << Brief(transition_info()); |
| } |
| os << "\n"; |
| } |
| |
| |
| void AllocationMemento::AllocationMementoPrint(std::ostream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "AllocationMemento"); |
| os << "\n - allocation site: "; |
| if (IsValid()) { |
| GetAllocationSite()->Print(os); |
| } else { |
| os << "<invalid>\n"; |
| } |
| } |
| |
| |
| void Script::ScriptPrint(std::ostream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "Script"); |
| os << "\n - source: " << Brief(source()); |
| os << "\n - name: " << Brief(name()); |
| os << "\n - line_offset: " << line_offset(); |
| os << "\n - column_offset: " << column_offset(); |
| os << "\n - type: " << type(); |
| os << "\n - id: " << id(); |
| os << "\n - context data: " << Brief(context_data()); |
| os << "\n - wrapper: " << Brief(wrapper()); |
| os << "\n - compilation type: " << compilation_type(); |
| os << "\n - line ends: " << Brief(line_ends()); |
| os << "\n - eval from shared: " << Brief(eval_from_shared()); |
| os << "\n - eval from position: " << eval_from_position(); |
| os << "\n - shared function infos: " << Brief(shared_function_infos()); |
| os << "\n"; |
| } |
| |
| |
| void DebugInfo::DebugInfoPrint(std::ostream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "DebugInfo"); |
| os << "\n - shared: " << Brief(shared()); |
| os << "\n - code: " << Brief(abstract_code()); |
| os << "\n - break_points: "; |
| break_points()->Print(os); |
| } |
| |
| |
| void BreakPointInfo::BreakPointInfoPrint(std::ostream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "BreakPointInfo"); |
| os << "\n - code_offset: " << code_offset(); |
| os << "\n - source_position: " << source_position(); |
| os << "\n - statement_position: " << statement_position(); |
| os << "\n - break_point_objects: " << Brief(break_point_objects()); |
| os << "\n"; |
| } |
| |
| |
| static void PrintBitMask(std::ostream& os, uint32_t value) { // NOLINT |
| for (int i = 0; i < 32; i++) { |
| if ((i & 7) == 0) os << " "; |
| os << (((value & 1) == 0) ? "_" : "x"); |
| value >>= 1; |
| } |
| } |
| |
| |
| void LayoutDescriptor::Print() { |
| OFStream os(stdout); |
| this->Print(os); |
| os << std::flush; |
| } |
| |
| |
| void LayoutDescriptor::Print(std::ostream& os) { // NOLINT |
| os << "Layout descriptor: "; |
| if (IsOddball() && IsUninitialized(HeapObject::cast(this)->GetIsolate())) { |
| os << "<uninitialized>"; |
| } else if (IsFastPointerLayout()) { |
| os << "<all tagged>"; |
| } else if (IsSmi()) { |
| os << "fast"; |
| PrintBitMask(os, static_cast<uint32_t>(Smi::cast(this)->value())); |
| } else { |
| os << "slow"; |
| int len = length(); |
| for (int i = 0; i < len; i++) { |
| if (i > 0) os << " |"; |
| PrintBitMask(os, get_scalar(i)); |
| } |
| } |
| os << "\n"; |
| } |
| |
| |
| #endif // OBJECT_PRINT |
| |
| |
| #if TRACE_MAPS |
| |
| |
| void Name::NameShortPrint() { |
| if (this->IsString()) { |
| PrintF("%s", String::cast(this)->ToCString().get()); |
| } else { |
| DCHECK(this->IsSymbol()); |
| Symbol* s = Symbol::cast(this); |
| if (s->name()->IsUndefined(GetIsolate())) { |
| PrintF("#<%s>", s->PrivateSymbolToName()); |
| } else { |
| PrintF("<%s>", String::cast(s->name())->ToCString().get()); |
| } |
| } |
| } |
| |
| |
| int Name::NameShortPrint(Vector<char> str) { |
| if (this->IsString()) { |
| return SNPrintF(str, "%s", String::cast(this)->ToCString().get()); |
| } else { |
| DCHECK(this->IsSymbol()); |
| Symbol* s = Symbol::cast(this); |
| if (s->name()->IsUndefined(GetIsolate())) { |
| return SNPrintF(str, "#<%s>", s->PrivateSymbolToName()); |
| } else { |
| return SNPrintF(str, "<%s>", String::cast(s->name())->ToCString().get()); |
| } |
| } |
| } |
| |
| |
| #endif // TRACE_MAPS |
| |
| |
| #if defined(DEBUG) || defined(OBJECT_PRINT) |
| // This method is only meant to be called from gdb for debugging purposes. |
| // Since the string can also be in two-byte encoding, non-Latin1 characters |
| // will be ignored in the output. |
| char* String::ToAsciiArray() { |
| // Static so that subsequent calls frees previously allocated space. |
| // This also means that previous results will be overwritten. |
| static char* buffer = NULL; |
| if (buffer != NULL) delete[] buffer; |
| buffer = new char[length() + 1]; |
| WriteToFlat(this, reinterpret_cast<uint8_t*>(buffer), 0, length()); |
| buffer[length()] = 0; |
| return buffer; |
| } |
| |
| |
| void DescriptorArray::Print() { |
| OFStream os(stdout); |
| this->PrintDescriptors(os); |
| os << std::flush; |
| } |
| |
| |
| void DescriptorArray::PrintDescriptors(std::ostream& os) { // NOLINT |
| HandleScope scope(GetIsolate()); |
| os << "Descriptor array #" << number_of_descriptors(); |
| for (int i = 0; i < number_of_descriptors(); i++) { |
| Descriptor desc; |
| Get(i, &desc); |
| os << "\n " << i << ": " << desc; |
| } |
| os << "\n"; |
| } |
| |
| |
| void TransitionArray::Print() { |
| OFStream os(stdout); |
| TransitionArray::PrintTransitions(os, this); |
| os << "\n" << std::flush; |
| } |
| |
| |
| void TransitionArray::PrintTransitions(std::ostream& os, Object* transitions, |
| bool print_header) { // NOLINT |
| int num_transitions = NumberOfTransitions(transitions); |
| if (print_header) { |
| os << "Transition array #" << num_transitions << ":"; |
| } |
| for (int i = 0; i < num_transitions; i++) { |
| Name* key = GetKey(transitions, i); |
| Map* target = GetTarget(transitions, i); |
| os << "\n "; |
| #ifdef OBJECT_PRINT |
| key->NamePrint(os); |
| #else |
| key->ShortPrint(os); |
| #endif |
| os << ": "; |
| Heap* heap = key->GetHeap(); |
| if (key == heap->nonextensible_symbol()) { |
| os << "(transition to non-extensible)"; |
| } else if (key == heap->sealed_symbol()) { |
| os << "(transition to sealed)"; |
| } else if (key == heap->frozen_symbol()) { |
| os << "(transition to frozen)"; |
| } else if (key == heap->elements_transition_symbol()) { |
| os << "(transition to " << ElementsKindToString(target->elements_kind()) |
| << ")"; |
| } else if (key == heap->strict_function_transition_symbol()) { |
| os << " (transition to strict function)"; |
| } else { |
| PropertyDetails details = GetTargetDetails(key, target); |
| os << "(transition to "; |
| if (details.location() == kDescriptor) { |
| os << "immutable "; |
| } |
| os << (details.kind() == kData ? "data" : "accessor"); |
| if (details.location() == kDescriptor) { |
| Object* value = |
| target->instance_descriptors()->GetValue(target->LastAdded()); |
| os << " " << Brief(value); |
| } |
| os << "), attrs: " << details.attributes(); |
| } |
| os << " -> " << Brief(target); |
| } |
| } |
| |
| |
| void JSObject::PrintTransitions(std::ostream& os) { // NOLINT |
| Object* transitions = map()->raw_transitions(); |
| int num_transitions = TransitionArray::NumberOfTransitions(transitions); |
| if (num_transitions == 0) return; |
| os << "\n - transitions"; |
| TransitionArray::PrintTransitions(os, transitions, false); |
| } |
| #endif // defined(DEBUG) || defined(OBJECT_PRINT) |
| } // namespace internal |
| } // namespace v8 |