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-rw-r--r--deps/v8/src/objects-printer.cc297
1 files changed, 206 insertions, 91 deletions
diff --git a/deps/v8/src/objects-printer.cc b/deps/v8/src/objects-printer.cc
index 2ea68863cf..187f56ecde 100644
--- a/deps/v8/src/objects-printer.cc
+++ b/deps/v8/src/objects-printer.cc
@@ -12,6 +12,7 @@
#include "src/disassembler.h"
#include "src/interpreter/bytecodes.h"
#include "src/objects-inl.h"
+#include "src/objects/debug-objects-inl.h"
#include "src/ostreams.h"
#include "src/regexp/jsregexp.h"
@@ -29,8 +30,8 @@ void Object::Print() {
void Object::Print(std::ostream& os) { // NOLINT
if (IsSmi()) {
- os << "Smi: " << std::hex << "0x" << Smi::cast(this)->value();
- os << std::dec << " (" << Smi::cast(this)->value() << ")\n";
+ os << "Smi: " << std::hex << "0x" << Smi::ToInt(this);
+ os << std::dec << " (" << Smi::ToInt(this) << ")\n";
} else {
HeapObject::cast(this)->HeapObjectPrint(os);
}
@@ -45,6 +46,7 @@ void HeapObject::PrintHeader(std::ostream& os, const char* id) { // NOLINT
os << map()->instance_type();
}
os << "]";
+ if (GetHeap()->InOldSpace(this)) os << " in OldSpace";
}
@@ -80,6 +82,9 @@ void HeapObject::HeapObjectPrint(std::ostream& os) { // NOLINT
case FIXED_ARRAY_TYPE:
FixedArray::cast(this)->FixedArrayPrint(os);
break;
+ case PROPERTY_ARRAY_TYPE:
+ PropertyArray::cast(this)->PropertyArrayPrint(os);
+ break;
case BYTE_ARRAY_TYPE:
ByteArray::cast(this)->ByteArrayPrint(os);
break;
@@ -151,6 +156,10 @@ void HeapObject::HeapObjectPrint(std::ostream& os) { // NOLINT
case JS_ARGUMENTS_TYPE:
case JS_ERROR_TYPE:
case JS_PROMISE_CAPABILITY_TYPE:
+ case WASM_INSTANCE_TYPE: // TODO(titzer): debug printing for wasm objects
+ case WASM_MEMORY_TYPE:
+ case WASM_MODULE_TYPE:
+ case WASM_TABLE_TYPE:
JSObject::cast(this)->JSObjectPrint(os);
break;
case JS_PROMISE_TYPE:
@@ -195,10 +204,13 @@ void HeapObject::HeapObjectPrint(std::ostream& os) { // NOLINT
case JS_MAP_TYPE:
JSMap::cast(this)->JSMapPrint(os);
break;
- case JS_SET_ITERATOR_TYPE:
+ case JS_SET_KEY_VALUE_ITERATOR_TYPE:
+ case JS_SET_VALUE_ITERATOR_TYPE:
JSSetIterator::cast(this)->JSSetIteratorPrint(os);
break;
- case JS_MAP_ITERATOR_TYPE:
+ case JS_MAP_KEY_ITERATOR_TYPE:
+ case JS_MAP_KEY_VALUE_ITERATOR_TYPE:
+ case JS_MAP_VALUE_ITERATOR_TYPE:
JSMapIterator::cast(this)->JSMapIteratorPrint(os);
break;
case JS_WEAK_MAP_TYPE:
@@ -275,6 +287,7 @@ void FixedTypedArray<Traits>::FixedTypedArrayPrint(
bool JSObject::PrintProperties(std::ostream& os) { // NOLINT
if (HasFastProperties()) {
DescriptorArray* descs = map()->instance_descriptors();
+ int nof_inobject_properties = map()->GetInObjectProperties();
int i = 0;
for (; i < map()->NumberOfOwnDescriptors(); i++) {
os << "\n ";
@@ -297,10 +310,16 @@ bool JSObject::PrintProperties(std::ostream& os) { // NOLINT
}
os << " ";
details.PrintAsFastTo(os, PropertyDetails::kForProperties);
+ if (details.location() != kField) continue;
+ int field_index = details.field_index();
+ if (nof_inobject_properties <= field_index) {
+ field_index -= nof_inobject_properties;
+ os << " properties[" << field_index << "]";
+ }
}
return i > 0;
} else if (IsJSGlobalObject()) {
- global_dictionary()->Print(os);
+ JSGlobalObject::cast(this)->global_dictionary()->Print(os);
} else {
property_dictionary()->Print(os);
}
@@ -383,16 +402,34 @@ void PrintFixedArrayElements(std::ostream& os, FixedArray* array) {
}
}
+void PrintDictionaryElements(std::ostream& os, FixedArrayBase* elements) {
+ // Print some internal fields
+ SeededNumberDictionary* dict = SeededNumberDictionary::cast(elements);
+ if (dict->requires_slow_elements()) {
+ os << "\n - requires_slow_elements";
+ } else {
+ os << "\n - max_number_key: " << dict->max_number_key();
+ }
+ dict->Print(os);
+}
+
void PrintSloppyArgumentElements(std::ostream& os, ElementsKind kind,
SloppyArgumentsElements* elements) {
+ Isolate* isolate = elements->GetIsolate();
FixedArray* arguments_store = elements->arguments();
os << "\n 0: context= " << Brief(elements->context())
<< "\n 1: arguments_store= " << Brief(arguments_store)
<< "\n parameter to context slot map:";
for (uint32_t i = 0; i < elements->parameter_map_length(); i++) {
uint32_t raw_index = i + SloppyArgumentsElements::kParameterMapStart;
+ Object* mapped_entry = elements->get_mapped_entry(i);
os << "\n " << raw_index << ": param(" << i
- << ")= " << Brief(elements->get_mapped_entry(i));
+ << ")= " << Brief(mapped_entry);
+ if (mapped_entry->IsTheHole(isolate)) {
+ os << " in the arguments_store[" << i << "]";
+ } else {
+ os << " in the context";
+ }
}
if (arguments_store->length() == 0) return;
os << "\n }"
@@ -402,7 +439,7 @@ void PrintSloppyArgumentElements(std::ostream& os, ElementsKind kind,
PrintFixedArrayElements(os, arguments_store);
} else {
DCHECK_EQ(kind, SLOW_SLOPPY_ARGUMENTS_ELEMENTS);
- SeededNumberDictionary::cast(arguments_store)->Print(os);
+ PrintDictionaryElements(os, arguments_store);
}
os << "\n }";
}
@@ -418,16 +455,16 @@ void JSObject::PrintElements(std::ostream& os) { // NOLINT
return;
}
switch (map()->elements_kind()) {
- case FAST_HOLEY_SMI_ELEMENTS:
- case FAST_SMI_ELEMENTS:
- case FAST_HOLEY_ELEMENTS:
- case FAST_ELEMENTS:
+ case HOLEY_SMI_ELEMENTS:
+ case PACKED_SMI_ELEMENTS:
+ case HOLEY_ELEMENTS:
+ case PACKED_ELEMENTS:
case FAST_STRING_WRAPPER_ELEMENTS: {
PrintFixedArrayElements(os, FixedArray::cast(elements()));
break;
}
- case FAST_HOLEY_DOUBLE_ELEMENTS:
- case FAST_DOUBLE_ELEMENTS: {
+ case HOLEY_DOUBLE_ELEMENTS:
+ case PACKED_DOUBLE_ELEMENTS: {
DoPrintElements<FixedDoubleArray>(os, elements());
break;
}
@@ -442,7 +479,7 @@ void JSObject::PrintElements(std::ostream& os) { // NOLINT
case DICTIONARY_ELEMENTS:
case SLOW_STRING_WRAPPER_ELEMENTS:
- SeededNumberDictionary::cast(elements())->Print(os);
+ PrintDictionaryElements(os, elements());
break;
case FAST_SLOPPY_ARGUMENTS_ELEMENTS:
case SLOW_SLOPPY_ARGUMENTS_ELEMENTS:
@@ -471,9 +508,7 @@ static void JSObjectPrintHeader(std::ostream& os, JSObject* 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)";
- }
+ if (obj->elements()->IsCowArray()) os << " (COW)";
os << "]";
if (obj->GetEmbedderFieldCount() > 0) {
os << "\n - embedder fields: " << obj->GetEmbedderFieldCount();
@@ -483,7 +518,7 @@ static void JSObjectPrintHeader(std::ostream& os, JSObject* obj,
static void JSObjectPrintBody(std::ostream& os, JSObject* obj, // NOLINT
bool print_elements = true) {
- os << "\n - properties = " << Brief(obj->properties()) << " {";
+ os << "\n - properties = " << Brief(obj->raw_properties_or_hash()) << " {";
if (obj->PrintProperties(os)) os << "\n ";
os << "}\n";
if (print_elements && obj->elements()->length() > 0) {
@@ -614,6 +649,18 @@ void FixedArray::FixedArrayPrint(std::ostream& os) { // NOLINT
os << "\n";
}
+// TODO(gsathya): Templatize PrintFixedArrayElements to print this as
+// well.
+void PropertyArray::PropertyArrayPrint(std::ostream& os) { // NOLINT
+ HeapObject::PrintHeader(os, "PropertyArray");
+ os << "\n - map = " << Brief(map());
+ os << "\n - length: " << length();
+ for (int i = 0; i < length(); i++) {
+ os << "\n" << i << " : " << std::setw(8) << Brief(get(i));
+ }
+
+ os << "\n";
+}
void FixedDoubleArray::FixedDoubleArrayPrint(std::ostream& os) { // NOLINT
HeapObject::PrintHeader(os, "FixedDoubleArray");
@@ -770,7 +817,6 @@ void FeedbackVector::FeedbackVectorPrint(std::ostream& os) { // NOLINT
case FeedbackSlotKind::kGeneral:
case FeedbackSlotKind::kTypeProfile:
break;
- case FeedbackSlotKind::kToBoolean:
case FeedbackSlotKind::kInvalid:
case FeedbackSlotKind::kKindsNumber:
UNREACHABLE();
@@ -860,15 +906,14 @@ void JSDate::JSDatePrint(std::ostream& os) { // NOLINT
} 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);
+ SNPrintF(buf, "\n - time = %s %04d/%02d/%02d %02d:%02d:%02d\n",
+ weekdays[weekday()->IsSmi() ? Smi::ToInt(weekday()) + 1 : 0],
+ year()->IsSmi() ? Smi::ToInt(year()) : -1,
+ month()->IsSmi() ? Smi::ToInt(month()) : -1,
+ day()->IsSmi() ? Smi::ToInt(day()) : -1,
+ hour()->IsSmi() ? Smi::ToInt(hour()) : -1,
+ min()->IsSmi() ? Smi::ToInt(min()) : -1,
+ sec()->IsSmi() ? Smi::ToInt(sec()) : -1);
os << buf.start();
}
JSObjectPrintBody(os, this);
@@ -901,37 +946,23 @@ void JSMap::JSMapPrint(std::ostream& os) { // NOLINT
JSObjectPrintBody(os, this);
}
-
-template <class Derived, class TableType>
-void
-OrderedHashTableIterator<Derived, TableType>::OrderedHashTableIteratorPrint(
+void JSCollectionIterator::JSCollectionIteratorPrint(
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);
+ JSCollectionIteratorPrint(os);
}
void JSMapIterator::JSMapIteratorPrint(std::ostream& os) { // NOLINT
JSObjectPrintHeader(os, this, "JSMapIterator");
- OrderedHashTableIteratorPrint(os);
+ JSCollectionIteratorPrint(os);
}
@@ -953,7 +984,12 @@ 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 (is_external()) os << "\n - external";
+ if (is_neuterable()) os << "\n - neuterable";
if (was_neutered()) os << "\n - neutered";
+ if (is_shared()) os << "\n - shared";
+ if (has_guard_region()) os << "\n - has_guard_region";
+ if (is_wasm_buffer()) os << "\n - wasm_buffer";
JSObjectPrintBody(os, this, !was_neutered());
}
@@ -1007,25 +1043,6 @@ void JSBoundFunction::JSBoundFunctionPrint(std::ostream& os) { // NOLINT
}
-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 (IsGeneratorFunction(shared()->kind())) {
- os << "\n - generator";
- } else if (IsAsyncFunction(shared()->kind())) {
- os << "\n - async";
- }
- os << "\n - context = " << Brief(context());
- os << "\n - feedback vector cell = " << Brief(feedback_vector_cell());
- os << "\n - code = " << Brief(code());
- JSObjectPrintBody(os, this);
-}
-
namespace {
std::ostream& operator<<(std::ostream& os, FunctionKind kind) {
@@ -1055,17 +1072,47 @@ std::ostream& operator<<(std::ostream& os, FunctionKind kind) {
} // namespace
+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();
+ os << "\n - kind = " << shared()->kind();
+ os << "\n - context = " << Brief(context());
+ os << "\n - feedback vector cell = " << Brief(feedback_vector_cell());
+ os << "\n - code = " << Brief(code());
+ if (IsInterpreted()) {
+ os << "\n - interpreted";
+ if (shared()->HasBytecodeArray()) {
+ os << "\n - bytecode = " << shared()->bytecode_array();
+ }
+ }
+ JSObjectPrintBody(os, this);
+}
+
void SharedFunctionInfo::SharedFunctionInfoPrint(std::ostream& os) { // NOLINT
HeapObject::PrintHeader(os, "SharedFunctionInfo");
- os << "\n - name = " << Brief(name());
+ os << "\n - name = ";
+ if (has_shared_name()) {
+ os << Brief(raw_name());
+ } else {
+ os << "<no-shared-name>";
+ }
os << "\n - kind = " << kind();
+ os << "\n - function_map_index = " << function_map_index();
os << "\n - formal_parameter_count = " << internal_formal_parameter_count();
os << "\n - expected_nof_properties = " << expected_nof_properties();
os << "\n - language_mode = " << language_mode();
os << "\n - ast_node_count = " << ast_node_count();
os << "\n - instance class name = ";
instance_class_name()->Print(os);
- os << "\n - code = " << Brief(code());
+ os << " - code = " << Brief(code());
+ if (HasBytecodeArray()) {
+ os << "\n - bytecode_array = " << bytecode_array();
+ }
if (HasSourceCode()) {
os << "\n - source code = ";
String* source = String::cast(Script::cast(script())->source());
@@ -1096,8 +1143,10 @@ void SharedFunctionInfo::SharedFunctionInfoPrint(std::ostream& os) { // NOLINT
os << "\n - length = " << length();
os << "\n - feedback_metadata = ";
feedback_metadata()->FeedbackMetadataPrint(os);
- if (HasBytecodeArray()) {
- os << "\n - bytecode_array = " << bytecode_array();
+ if (HasPreParsedScopeData()) {
+ os << "\n - preparsed scope data = " << preparsed_scope_data();
+ } else {
+ os << "\n - no preparsed scope data";
}
os << "\n";
}
@@ -1132,6 +1181,8 @@ void Cell::CellPrint(std::ostream& os) { // NOLINT
void PropertyCell::PropertyCellPrint(std::ostream& os) { // NOLINT
HeapObject::PrintHeader(os, "PropertyCell");
+ os << "\n - name: ";
+ name()->NamePrint(os);
os << "\n - value: " << Brief(value());
os << "\n - details: ";
property_details().PrintAsSlowTo(os);
@@ -1277,19 +1328,13 @@ void ModuleInfoEntry::ModuleInfoEntryPrint(std::ostream& os) { // NOLINT
void Module::ModulePrint(std::ostream& os) { // NOLINT
HeapObject::PrintHeader(os, "Module");
- // TODO(neis): Simplify once modules have a script field.
- if (!evaluated()) {
- SharedFunctionInfo* shared = code()->IsSharedFunctionInfo()
- ? SharedFunctionInfo::cast(code())
- : JSFunction::cast(code())->shared();
- Object* origin = Script::cast(shared->script())->GetNameOrSourceURL();
- os << "\n - origin: " << Brief(origin);
- }
+ os << "\n - origin: " << Brief(script()->GetNameOrSourceURL());
os << "\n - code: " << Brief(code());
os << "\n - exports: " << Brief(exports());
os << "\n - requested_modules: " << Brief(requested_modules());
- os << "\n - instantiated, evaluated: " << instantiated() << ", "
- << evaluated();
+ os << "\n - script: " << Brief(script());
+ os << "\n - status: " << status();
+ os << "\n - exception: " << Brief(exception());
os << "\n";
}
@@ -1411,13 +1456,13 @@ void AllocationSite::AllocationSitePrint(std::ostream& os) { // NOLINT
os << "\n - pretenure decision: "
<< Brief(Smi::FromInt(pretenure_decision()));
os << "\n - transition_info: ";
- if (transition_info()->IsSmi()) {
+ if (!PointsToLiteral()) {
ElementsKind kind = GetElementsKind();
os << "Array allocation with ElementsKind " << ElementsKindToString(kind);
- } else if (transition_info()->IsJSArray()) {
- os << "Array literal " << Brief(transition_info());
+ } else if (boilerplate()->IsJSArray()) {
+ os << "Array literal with boilerplate " << Brief(boilerplate());
} else {
- os << "unknown transition_info " << Brief(transition_info());
+ os << "Object literal with boilerplate " << Brief(boilerplate());
}
os << "\n";
}
@@ -1455,10 +1500,13 @@ void Script::ScriptPrint(std::ostream& os) { // NOLINT
void DebugInfo::DebugInfoPrint(std::ostream& os) { // NOLINT
HeapObject::PrintHeader(os, "DebugInfo");
+ os << "\n - flags: " << flags();
+ os << "\n - debugger_hints: " << debugger_hints();
os << "\n - shared: " << Brief(shared());
os << "\n - debug bytecode array: " << Brief(debug_bytecode_array());
os << "\n - break_points: ";
break_points()->Print(os);
+ os << "\n - coverage_info: " << Brief(coverage_info());
}
@@ -1505,21 +1553,27 @@ void LayoutDescriptor::Print(std::ostream& os) { // NOLINT
os << "<all tagged>";
} else if (IsSmi()) {
os << "fast";
- PrintBitMask(os, static_cast<uint32_t>(Smi::cast(this)->value()));
+ PrintBitMask(os, static_cast<uint32_t>(Smi::ToInt(this)));
} else if (IsOddball() &&
IsUninitialized(HeapObject::cast(this)->GetIsolate())) {
os << "<uninitialized>";
} else {
os << "slow";
- int len = length();
- for (int i = 0; i < len; i++) {
+ int num_words = number_of_layout_words();
+ for (int i = 0; i < num_words; i++) {
if (i > 0) os << " |";
- PrintBitMask(os, get_scalar(i));
+ PrintBitMask(os, get_layout_word(i));
}
}
os << "\n";
}
+void PreParsedScopeData::PreParsedScopeDataPrint(std::ostream& os) { // NOLINT
+ HeapObject::PrintHeader(os, "PreParsedScopeData");
+ os << "\n - scope_data: " << Brief(scope_data());
+ os << "\n - child_data: " << Brief(child_data());
+ os << "\n";
+}
#endif // OBJECT_PRINT
@@ -1667,6 +1721,56 @@ void TransitionArray::PrintTransitions(std::ostream& os, Object* transitions,
}
}
+void TransitionArray::PrintTransitionTree(Map* map) {
+ OFStream os(stdout);
+ os << "map= " << Brief(map);
+ PrintTransitionTree(os, map);
+ os << "\n" << std::flush;
+}
+
+// static
+void TransitionArray::PrintTransitionTree(std::ostream& os, Map* map,
+ int level) {
+ Object* transitions = map->raw_transitions();
+ int num_transitions = NumberOfTransitions(transitions);
+ if (num_transitions == 0) return;
+ for (int i = 0; i < num_transitions; i++) {
+ Name* key = GetKey(transitions, i);
+ Map* target = GetTarget(transitions, i);
+ os << std::endl
+ << " " << level << "/" << i << ":" << std::setw(level * 2 + 2) << " ";
+ std::stringstream ss;
+ ss << Brief(target);
+ os << std::left << std::setw(50) << ss.str() << ": ";
+
+ Heap* heap = key->GetHeap();
+ if (key == heap->nonextensible_symbol()) {
+ os << "to non-extensible";
+ } else if (key == heap->sealed_symbol()) {
+ os << "to sealed ";
+ } else if (key == heap->frozen_symbol()) {
+ os << "to frozen";
+ } else if (key == heap->elements_transition_symbol()) {
+ os << "to " << ElementsKindToString(target->elements_kind());
+ } else if (key == heap->strict_function_transition_symbol()) {
+ os << "to strict function";
+ } else {
+#ifdef OBJECT_PRINT
+ key->NamePrint(os);
+#else
+ key->ShortPrint(os);
+#endif
+ os << " ";
+ DCHECK(!IsSpecialTransition(key));
+ os << "to ";
+ int descriptor = target->LastAdded();
+ DescriptorArray* descriptors = target->instance_descriptors();
+ descriptors->PrintDescriptorDetails(os, descriptor,
+ PropertyDetails::kForTransitions);
+ }
+ TransitionArray::PrintTransitionTree(os, target, level + 1);
+ }
+}
void JSObject::PrintTransitions(std::ostream& os) { // NOLINT
Object* transitions = map()->raw_transitions();
@@ -1693,7 +1797,7 @@ extern void _v8_internal_Print_Code(void* object) {
extern void _v8_internal_Print_FeedbackMetadata(void* object) {
if (reinterpret_cast<i::Object*>(object)->IsSmi()) {
- printf("Not a feedback metadata object\n");
+ printf("Please provide a feedback metadata object\n");
} else {
reinterpret_cast<i::FeedbackMetadata*>(object)->Print();
}
@@ -1701,7 +1805,7 @@ extern void _v8_internal_Print_FeedbackMetadata(void* object) {
extern void _v8_internal_Print_FeedbackVector(void* object) {
if (reinterpret_cast<i::Object*>(object)->IsSmi()) {
- printf("Not a feedback vector\n");
+ printf("Please provide a feedback vector\n");
} else {
reinterpret_cast<i::FeedbackVector*>(object)->Print();
}
@@ -1709,7 +1813,7 @@ extern void _v8_internal_Print_FeedbackVector(void* object) {
extern void _v8_internal_Print_DescriptorArray(void* object) {
if (reinterpret_cast<i::Object*>(object)->IsSmi()) {
- printf("Not a descriptor array\n");
+ printf("Please provide a descriptor array\n");
} else {
reinterpret_cast<i::DescriptorArray*>(object)->Print();
}
@@ -1718,7 +1822,7 @@ extern void _v8_internal_Print_DescriptorArray(void* object) {
extern void _v8_internal_Print_LayoutDescriptor(void* object) {
i::Object* o = reinterpret_cast<i::Object*>(object);
if (!o->IsLayoutDescriptor()) {
- printf("Not a layout descriptor\n");
+ printf("Please provide a layout descriptor\n");
} else {
reinterpret_cast<i::LayoutDescriptor*>(object)->Print();
}
@@ -1726,7 +1830,7 @@ extern void _v8_internal_Print_LayoutDescriptor(void* object) {
extern void _v8_internal_Print_TransitionArray(void* object) {
if (reinterpret_cast<i::Object*>(object)->IsSmi()) {
- printf("Not a transition array\n");
+ printf("Please provide a transition array\n");
} else {
reinterpret_cast<i::TransitionArray*>(object)->Print();
}
@@ -1736,3 +1840,14 @@ extern void _v8_internal_Print_StackTrace() {
i::Isolate* isolate = i::Isolate::Current();
isolate->PrintStack(stdout);
}
+
+extern void _v8_internal_Print_TransitionTree(void* object) {
+ i::Object* o = reinterpret_cast<i::Object*>(object);
+ if (!o->IsMap()) {
+ printf("Please provide a valid Map\n");
+ } else {
+#if defined(DEBUG) || defined(OBJECT_PRINT)
+ i::TransitionArray::PrintTransitionTree(reinterpret_cast<i::Map*>(object));
+#endif
+ }
+}
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