| // 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/v8.h" |
| |
| #include "src/disasm.h" |
| #include "src/disassembler.h" |
| #include "src/heap/objects-visiting.h" |
| #include "src/jsregexp.h" |
| #include "src/ostreams.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| #ifdef OBJECT_PRINT |
| |
| void Object::Print() { |
| OFStream os(stdout); |
| this->Print(os); |
| os << flush; |
| } |
| |
| |
| void Object::Print(OStream& os) { // NOLINT |
| if (IsSmi()) { |
| Smi::cast(this)->SmiPrint(os); |
| } else { |
| HeapObject::cast(this)->HeapObjectPrint(os); |
| } |
| } |
| |
| |
| void HeapObject::PrintHeader(OStream& os, const char* id) { // NOLINT |
| os << "" << reinterpret_cast<void*>(this) << ": [" << id << "]\n"; |
| } |
| |
| |
| void HeapObject::HeapObjectPrint(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 FIXED_DOUBLE_ARRAY_TYPE: |
| FixedDoubleArray::cast(this)->FixedDoubleArrayPrint(os); |
| break; |
| case CONSTANT_POOL_ARRAY_TYPE: |
| ConstantPoolArray::cast(this)->ConstantPoolArrayPrint(os); |
| break; |
| case FIXED_ARRAY_TYPE: |
| FixedArray::cast(this)->FixedArrayPrint(os); |
| break; |
| case BYTE_ARRAY_TYPE: |
| ByteArray::cast(this)->ByteArrayPrint(os); |
| break; |
| case FREE_SPACE_TYPE: |
| FreeSpace::cast(this)->FreeSpacePrint(os); |
| break; |
| |
| #define PRINT_EXTERNAL_ARRAY(Type, type, TYPE, ctype, size) \ |
| case EXTERNAL_##TYPE##_ARRAY_TYPE: \ |
| External##Type##Array::cast(this)->External##Type##ArrayPrint(os); \ |
| break; |
| |
| TYPED_ARRAYS(PRINT_EXTERNAL_ARRAY) |
| #undef PRINT_EXTERNAL_ARRAY |
| |
| #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_CONTEXT_EXTENSION_OBJECT_TYPE: |
| case JS_ARRAY_TYPE: |
| case JS_GENERATOR_OBJECT_TYPE: |
| case JS_REGEXP_TYPE: |
| JSObject::cast(this)->JSObjectPrint(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_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_BUILTINS_OBJECT_TYPE: |
| JSBuiltinsObject::cast(this)->JSBuiltinsObjectPrint(os); |
| break; |
| case JS_VALUE_TYPE: |
| os << "Value wrapper around:"; |
| JSValue::cast(this)->value()->Print(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_FUNCTION_PROXY_TYPE: |
| JSFunctionProxy::cast(this)->JSFunctionProxyPrint(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 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 ByteArray::ByteArrayPrint(OStream& os) { // NOLINT |
| os << "byte array, data starts at " << GetDataStartAddress(); |
| } |
| |
| |
| void FreeSpace::FreeSpacePrint(OStream& os) { // NOLINT |
| os << "free space, size " << Size(); |
| } |
| |
| |
| #define EXTERNAL_ARRAY_PRINTER(Type, type, TYPE, ctype, size) \ |
| void External##Type##Array::External##Type##ArrayPrint(OStream& os) { \ |
| os << "external " #type " array"; \ |
| } |
| |
| TYPED_ARRAYS(EXTERNAL_ARRAY_PRINTER) |
| |
| #undef EXTERNAL_ARRAY_PRINTER |
| |
| |
| template <class Traits> |
| void FixedTypedArray<Traits>::FixedTypedArrayPrint(OStream& os) { // NOLINT |
| os << "fixed " << Traits::Designator(); |
| } |
| |
| |
| void JSObject::PrintProperties(OStream& os) { // NOLINT |
| if (HasFastProperties()) { |
| DescriptorArray* descs = map()->instance_descriptors(); |
| for (int i = 0; i < map()->NumberOfOwnDescriptors(); i++) { |
| os << " "; |
| descs->GetKey(i)->NamePrint(os); |
| os << ": "; |
| switch (descs->GetType(i)) { |
| case FIELD: { |
| FieldIndex index = FieldIndex::ForDescriptor(map(), i); |
| os << Brief(RawFastPropertyAt(index)) << " (field at offset " |
| << index.property_index() << ")\n"; |
| break; |
| } |
| case CONSTANT: |
| os << Brief(descs->GetConstant(i)) << " (constant)\n"; |
| break; |
| case CALLBACKS: |
| os << Brief(descs->GetCallbacksObject(i)) << " (callback)\n"; |
| break; |
| case NORMAL: // only in slow mode |
| UNREACHABLE(); |
| break; |
| } |
| } |
| } else { |
| property_dictionary()->Print(os); |
| } |
| } |
| |
| |
| template <class T> |
| static void DoPrintElements(OStream& os, Object* object) { // NOLINT |
| T* p = T::cast(object); |
| for (int i = 0; i < p->length(); i++) { |
| os << " " << i << ": " << p->get_scalar(i) << "\n"; |
| } |
| } |
| |
| |
| void JSObject::PrintElements(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: { |
| // Print in array notation for non-sparse arrays. |
| FixedArray* p = FixedArray::cast(elements()); |
| for (int i = 0; i < p->length(); i++) { |
| os << " " << i << ": " << Brief(p->get(i)) << "\n"; |
| } |
| 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 << " " << i << ": "; |
| if (p->is_the_hole(i)) { |
| os << "<the hole>"; |
| } else { |
| os << p->get_scalar(i); |
| } |
| os << "\n"; |
| } |
| } |
| break; |
| } |
| |
| |
| #define PRINT_ELEMENTS(Kind, Type) \ |
| case Kind: { \ |
| DoPrintElements<Type>(os, elements()); \ |
| break; \ |
| } |
| |
| PRINT_ELEMENTS(EXTERNAL_UINT8_CLAMPED_ELEMENTS, ExternalUint8ClampedArray) |
| PRINT_ELEMENTS(EXTERNAL_INT8_ELEMENTS, ExternalInt8Array) |
| PRINT_ELEMENTS(EXTERNAL_UINT8_ELEMENTS, |
| ExternalUint8Array) |
| PRINT_ELEMENTS(EXTERNAL_INT16_ELEMENTS, ExternalInt16Array) |
| PRINT_ELEMENTS(EXTERNAL_UINT16_ELEMENTS, |
| ExternalUint16Array) |
| PRINT_ELEMENTS(EXTERNAL_INT32_ELEMENTS, ExternalInt32Array) |
| PRINT_ELEMENTS(EXTERNAL_UINT32_ELEMENTS, |
| ExternalUint32Array) |
| PRINT_ELEMENTS(EXTERNAL_FLOAT32_ELEMENTS, ExternalFloat32Array) |
| PRINT_ELEMENTS(EXTERNAL_FLOAT64_ELEMENTS, ExternalFloat64Array) |
| |
| 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: |
| elements()->Print(os); |
| break; |
| case SLOPPY_ARGUMENTS_ELEMENTS: { |
| FixedArray* p = FixedArray::cast(elements()); |
| os << " 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)) << "\n"; |
| break; |
| } |
| } |
| } |
| |
| |
| void JSObject::PrintTransitions(OStream& os) { // NOLINT |
| if (!map()->HasTransitionArray()) return; |
| TransitionArray* transitions = map()->transitions(); |
| for (int i = 0; i < transitions->number_of_transitions(); i++) { |
| Name* key = transitions->GetKey(i); |
| os << " "; |
| key->NamePrint(os); |
| os << ": "; |
| if (key == GetHeap()->frozen_symbol()) { |
| os << " (transition to frozen)\n"; |
| } else if (key == GetHeap()->elements_transition_symbol()) { |
| os << " (transition to " |
| << ElementsKindToString(transitions->GetTarget(i)->elements_kind()) |
| << ")\n"; |
| } else if (key == GetHeap()->observed_symbol()) { |
| os << " (transition to Object.observe)\n"; |
| } else { |
| switch (transitions->GetTargetDetails(i).type()) { |
| case FIELD: { |
| os << " (transition to field)\n"; |
| break; |
| } |
| case CONSTANT: |
| os << " (transition to constant)\n"; |
| break; |
| case CALLBACKS: |
| os << " (transition to callback)\n"; |
| break; |
| // Values below are never in the target descriptor array. |
| case NORMAL: |
| UNREACHABLE(); |
| break; |
| } |
| } |
| } |
| } |
| |
| |
| void JSObject::JSObjectPrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "JSObject"); |
| // Don't call GetElementsKind, its validation code can cause the printer to |
| // fail when debugging. |
| PrototypeIterator iter(GetIsolate(), this); |
| os << " - map = " << reinterpret_cast<void*>(map()) << " [" |
| << ElementsKindToString(this->map()->elements_kind()) |
| << "]\n - prototype = " << reinterpret_cast<void*>(iter.GetCurrent()) |
| << "\n {\n"; |
| PrintProperties(os); |
| PrintTransitions(os); |
| PrintElements(os); |
| os << " }\n"; |
| } |
| |
| |
| void JSModule::JSModulePrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "JSModule"); |
| os << " - map = " << reinterpret_cast<void*>(map()) << "\n" |
| << " - context = "; |
| context()->Print(os); |
| os << " - scope_info = " << Brief(scope_info()) |
| << ElementsKindToString(this->map()->elements_kind()) << " {\n"; |
| PrintProperties(os); |
| PrintElements(os); |
| os << " }\n"; |
| } |
| |
| |
| static const char* TypeToString(InstanceType type) { |
| switch (type) { |
| #define TYPE_TO_STRING(TYPE) case TYPE: return #TYPE; |
| INSTANCE_TYPE_LIST(TYPE_TO_STRING) |
| #undef TYPE_TO_STRING |
| } |
| UNREACHABLE(); |
| return "UNKNOWN"; // Keep the compiler happy. |
| } |
| |
| |
| void Symbol::SymbolPrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "Symbol"); |
| os << " - hash: " << Hash(); |
| os << "\n - name: " << Brief(name()); |
| os << "\n - private: " << is_private(); |
| os << "\n - own: " << is_own(); |
| os << "\n"; |
| } |
| |
| |
| void Map::MapPrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "Map"); |
| os << " - type: " << TypeToString(instance_type()) << "\n"; |
| os << " - instance size: " << instance_size() << "\n"; |
| os << " - inobject properties: " << inobject_properties() << "\n"; |
| os << " - elements kind: " << ElementsKindToString(elements_kind()); |
| os << "\n - pre-allocated property fields: " |
| << pre_allocated_property_fields() << "\n"; |
| os << " - unused property fields: " << unused_property_fields() << "\n"; |
| if (is_hidden_prototype()) os << " - hidden_prototype\n"; |
| if (has_named_interceptor()) os << " - named_interceptor\n"; |
| if (has_indexed_interceptor()) os << " - indexed_interceptor\n"; |
| if (is_undetectable()) os << " - undetectable\n"; |
| if (has_instance_call_handler()) os << " - instance_call_handler\n"; |
| if (is_access_check_needed()) os << " - access_check_needed\n"; |
| if (is_frozen()) { |
| os << " - frozen\n"; |
| } else if (!is_extensible()) { |
| os << " - sealed\n"; |
| } |
| os << " - back pointer: " << Brief(GetBackPointer()); |
| os << "\n - instance descriptors " << (owns_descriptors() ? "(own) " : "") |
| << "#" << NumberOfOwnDescriptors() << ": " |
| << Brief(instance_descriptors()); |
| if (HasTransitionArray()) { |
| os << "\n - transitions: " << Brief(transitions()); |
| } |
| os << "\n - prototype: " << Brief(prototype()); |
| os << "\n - constructor: " << Brief(constructor()); |
| os << "\n - code cache: " << Brief(code_cache()); |
| os << "\n - dependent code: " << Brief(dependent_code()); |
| os << "\n"; |
| } |
| |
| |
| void CodeCache::CodeCachePrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "CodeCache"); |
| os << "\n - default_cache: " << Brief(default_cache()); |
| os << "\n - normal_type_cache: " << Brief(normal_type_cache()); |
| } |
| |
| |
| void PolymorphicCodeCache::PolymorphicCodeCachePrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "PolymorphicCodeCache"); |
| os << "\n - cache: " << Brief(cache()); |
| } |
| |
| |
| void TypeFeedbackInfo::TypeFeedbackInfoPrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "TypeFeedbackInfo"); |
| os << " - 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(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "AliasedArgumentsEntry"); |
| os << "\n - aliased_context_slot: " << aliased_context_slot(); |
| } |
| |
| |
| void FixedArray::FixedArrayPrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "FixedArray"); |
| os << " - length: " << length(); |
| for (int i = 0; i < length(); i++) { |
| os << "\n [" << i << "]: " << Brief(get(i)); |
| } |
| os << "\n"; |
| } |
| |
| |
| void FixedDoubleArray::FixedDoubleArrayPrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "FixedDoubleArray"); |
| os << " - 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 ConstantPoolArray::ConstantPoolArrayPrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "ConstantPoolArray"); |
| os << " - length: " << length(); |
| for (int i = 0; i <= last_index(INT32, SMALL_SECTION); i++) { |
| if (i < last_index(INT64, SMALL_SECTION)) { |
| os << "\n [" << i << "]: double: " << get_int64_entry_as_double(i); |
| } else if (i <= last_index(CODE_PTR, SMALL_SECTION)) { |
| os << "\n [" << i << "]: code target pointer: " |
| << reinterpret_cast<void*>(get_code_ptr_entry(i)); |
| } else if (i <= last_index(HEAP_PTR, SMALL_SECTION)) { |
| os << "\n [" << i << "]: heap pointer: " |
| << reinterpret_cast<void*>(get_heap_ptr_entry(i)); |
| } else if (i <= last_index(INT32, SMALL_SECTION)) { |
| os << "\n [" << i << "]: int32: " << get_int32_entry(i); |
| } |
| } |
| if (is_extended_layout()) { |
| os << "\n Extended section:"; |
| for (int i = first_extended_section_index(); |
| i <= last_index(INT32, EXTENDED_SECTION); i++) { |
| if (i < last_index(INT64, EXTENDED_SECTION)) { |
| os << "\n [" << i << "]: double: " << get_int64_entry_as_double(i); |
| } else if (i <= last_index(CODE_PTR, EXTENDED_SECTION)) { |
| os << "\n [" << i << "]: code target pointer: " |
| << reinterpret_cast<void*>(get_code_ptr_entry(i)); |
| } else if (i <= last_index(HEAP_PTR, EXTENDED_SECTION)) { |
| os << "\n [" << i << "]: heap pointer: " |
| << reinterpret_cast<void*>(get_heap_ptr_entry(i)); |
| } else if (i <= last_index(INT32, EXTENDED_SECTION)) { |
| os << "\n [" << i << "]: int32: " << get_int32_entry(i); |
| } |
| } |
| } |
| os << "\n"; |
| } |
| |
| |
| void JSValue::JSValuePrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "ValueObject"); |
| value()->Print(os); |
| } |
| |
| |
| void JSMessageObject::JSMessageObjectPrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "JSMessageObject"); |
| os << " - type: " << Brief(type()); |
| os << "\n - arguments: " << Brief(arguments()); |
| os << "\n - start_position: " << start_position(); |
| os << "\n - end_position: " << end_position(); |
| os << "\n - script: " << Brief(script()); |
| os << "\n - stack_frames: " << Brief(stack_frames()); |
| os << "\n"; |
| } |
| |
| |
| void String::StringPrint(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(OStream& os) { // NOLINT |
| if (IsString()) |
| String::cast(this)->StringPrint(os); |
| else |
| os << Brief(this); |
| } |
| |
| |
| // 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) free(buffer); |
| buffer = new char[length()+1]; |
| WriteToFlat(this, reinterpret_cast<uint8_t*>(buffer), 0, length()); |
| buffer[length()] = 0; |
| return buffer; |
| } |
| |
| |
| static const char* const weekdays[] = { |
| "???", "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" |
| }; |
| |
| |
| void JSDate::JSDatePrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "JSDate"); |
| os << " - map = " << reinterpret_cast<void*>(map()) << "\n"; |
| os << " - value = "; |
| value()->Print(os); |
| if (!year()->IsSmi()) { |
| os << " - time = NaN\n"; |
| } else { |
| // TODO(svenpanne) Add some basic formatting to our streams. |
| Vector<char> buf = Vector<char>::New(100); |
| SNPrintF( |
| buf, " - 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(); |
| } |
| } |
| |
| |
| void JSProxy::JSProxyPrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "JSProxy"); |
| os << " - map = " << reinterpret_cast<void*>(map()) << "\n"; |
| os << " - handler = "; |
| handler()->Print(os); |
| os << "\n - hash = "; |
| hash()->Print(os); |
| os << "\n"; |
| } |
| |
| |
| void JSFunctionProxy::JSFunctionProxyPrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "JSFunctionProxy"); |
| os << " - map = " << reinterpret_cast<void*>(map()) << "\n"; |
| os << " - handler = "; |
| handler()->Print(os); |
| os << "\n - call_trap = "; |
| call_trap()->Print(os); |
| os << "\n - construct_trap = "; |
| construct_trap()->Print(os); |
| os << "\n"; |
| } |
| |
| |
| void JSSet::JSSetPrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "JSSet"); |
| os << " - map = " << reinterpret_cast<void*>(map()) << "\n"; |
| os << " - table = " << Brief(table()); |
| os << "\n"; |
| } |
| |
| |
| void JSMap::JSMapPrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "JSMap"); |
| os << " - map = " << reinterpret_cast<void*>(map()) << "\n"; |
| os << " - table = " << Brief(table()); |
| os << "\n"; |
| } |
| |
| |
| template <class Derived, class TableType> |
| void OrderedHashTableIterator< |
| Derived, TableType>::OrderedHashTableIteratorPrint(OStream& os) { // NOLINT |
| os << " - map = " << reinterpret_cast<void*>(map()) << "\n"; |
| os << " - table = " << Brief(table()); |
| os << "\n - index = " << Brief(index()); |
| os << "\n - kind = " << Brief(kind()); |
| os << "\n"; |
| } |
| |
| |
| template void OrderedHashTableIterator< |
| JSSetIterator, |
| OrderedHashSet>::OrderedHashTableIteratorPrint(OStream& os); // NOLINT |
| |
| |
| template void OrderedHashTableIterator< |
| JSMapIterator, |
| OrderedHashMap>::OrderedHashTableIteratorPrint(OStream& os); // NOLINT |
| |
| |
| void JSSetIterator::JSSetIteratorPrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "JSSetIterator"); |
| OrderedHashTableIteratorPrint(os); |
| } |
| |
| |
| void JSMapIterator::JSMapIteratorPrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "JSMapIterator"); |
| OrderedHashTableIteratorPrint(os); |
| } |
| |
| |
| void JSWeakMap::JSWeakMapPrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "JSWeakMap"); |
| os << " - map = " << reinterpret_cast<void*>(map()) << "\n"; |
| os << " - table = " << Brief(table()); |
| os << "\n"; |
| } |
| |
| |
| void JSWeakSet::JSWeakSetPrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "JSWeakSet"); |
| os << " - map = " << reinterpret_cast<void*>(map()) << "\n"; |
| os << " - table = " << Brief(table()); |
| os << "\n"; |
| } |
| |
| |
| void JSArrayBuffer::JSArrayBufferPrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "JSArrayBuffer"); |
| os << " - map = " << reinterpret_cast<void*>(map()) << "\n"; |
| os << " - backing_store = " << backing_store() << "\n"; |
| os << " - byte_length = " << Brief(byte_length()); |
| os << "\n"; |
| } |
| |
| |
| void JSTypedArray::JSTypedArrayPrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "JSTypedArray"); |
| os << " - map = " << reinterpret_cast<void*>(map()) << "\n"; |
| os << " - buffer = " << Brief(buffer()); |
| os << "\n - byte_offset = " << Brief(byte_offset()); |
| os << "\n - byte_length = " << Brief(byte_length()); |
| os << "\n - length = " << Brief(length()); |
| os << "\n"; |
| PrintElements(os); |
| } |
| |
| |
| void JSDataView::JSDataViewPrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "JSDataView"); |
| os << " - map = " << reinterpret_cast<void*>(map()) << "\n"; |
| os << " - buffer =" << Brief(buffer()); |
| os << "\n - byte_offset = " << Brief(byte_offset()); |
| os << "\n - byte_length = " << Brief(byte_length()); |
| os << "\n"; |
| } |
| |
| |
| void JSFunction::JSFunctionPrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "Function"); |
| os << " - map = " << reinterpret_cast<void*>(map()) << "\n"; |
| os << " - initial_map = "; |
| if (has_initial_map()) os << Brief(initial_map()); |
| os << "\n - shared_info = " << Brief(shared()); |
| os << "\n - name = " << Brief(shared()->name()); |
| os << "\n - context = " << Brief(context()); |
| if (shared()->bound()) { |
| os << "\n - bindings = " << Brief(function_bindings()); |
| } else { |
| os << "\n - literals = " << Brief(literals()); |
| } |
| os << "\n - code = " << Brief(code()); |
| os << "\n"; |
| PrintProperties(os); |
| PrintElements(os); |
| os << "\n"; |
| } |
| |
| |
| void SharedFunctionInfo::SharedFunctionInfoPrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "SharedFunctionInfo"); |
| os << " - name: " << Brief(name()); |
| 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; |
| 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); |
| os << "\n - function token position = " << function_token_position(); |
| os << "\n - start position = " << start_position(); |
| os << "\n - end position = " << end_position(); |
| os << "\n - is expression = " << is_expression(); |
| os << "\n - debug info = " << Brief(debug_info()); |
| os << "\n - length = " << length(); |
| os << "\n - optimized_code_map = " << Brief(optimized_code_map()); |
| os << "\n - feedback_vector = "; |
| feedback_vector()->FixedArrayPrint(os); |
| os << "\n"; |
| } |
| |
| |
| void JSGlobalProxy::JSGlobalProxyPrint(OStream& os) { // NOLINT |
| os << "global_proxy "; |
| JSObjectPrint(os); |
| os << "native context : " << Brief(native_context()); |
| os << "\n"; |
| } |
| |
| |
| void JSGlobalObject::JSGlobalObjectPrint(OStream& os) { // NOLINT |
| os << "global "; |
| JSObjectPrint(os); |
| os << "native context : " << Brief(native_context()); |
| os << "\n"; |
| } |
| |
| |
| void JSBuiltinsObject::JSBuiltinsObjectPrint(OStream& os) { // NOLINT |
| os << "builtins "; |
| JSObjectPrint(os); |
| } |
| |
| |
| void Cell::CellPrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "Cell"); |
| } |
| |
| |
| void PropertyCell::PropertyCellPrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "PropertyCell"); |
| } |
| |
| |
| void Code::CodePrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "Code"); |
| #ifdef ENABLE_DISASSEMBLER |
| if (FLAG_use_verbose_printer) { |
| Disassemble(NULL, os); |
| } |
| #endif |
| } |
| |
| |
| void Foreign::ForeignPrint(OStream& os) { // NOLINT |
| os << "foreign address : " << foreign_address(); |
| } |
| |
| |
| void ExecutableAccessorInfo::ExecutableAccessorInfoPrint( |
| OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "ExecutableAccessorInfo"); |
| os << "\n - name: " << Brief(name()); |
| os << "\n - flag: " << Brief(flag()); |
| os << "\n - getter: " << Brief(getter()); |
| os << "\n - setter: " << Brief(setter()); |
| os << "\n - data: " << Brief(data()); |
| os << "\n"; |
| } |
| |
| |
| void DeclaredAccessorInfo::DeclaredAccessorInfoPrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "DeclaredAccessorInfo"); |
| os << "\n - name: " << Brief(name()); |
| os << "\n - flag: " << Brief(flag()); |
| os << "\n - descriptor: " << Brief(descriptor()); |
| os << "\n"; |
| } |
| |
| |
| void DeclaredAccessorDescriptor::DeclaredAccessorDescriptorPrint( |
| OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "DeclaredAccessorDescriptor"); |
| os << "\n - internal field: " << Brief(serialized_data()); |
| os << "\n"; |
| } |
| |
| |
| void Box::BoxPrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "Box"); |
| os << "\n - value: " << Brief(value()); |
| os << "\n"; |
| } |
| |
| |
| void AccessorPair::AccessorPairPrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "AccessorPair"); |
| os << "\n - getter: " << Brief(getter()); |
| os << "\n - setter: " << Brief(setter()); |
| os << "\n"; |
| } |
| |
| |
| void AccessCheckInfo::AccessCheckInfoPrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "AccessCheckInfo"); |
| os << "\n - named_callback: " << Brief(named_callback()); |
| os << "\n - indexed_callback: " << Brief(indexed_callback()); |
| os << "\n - data: " << Brief(data()); |
| os << "\n"; |
| } |
| |
| |
| void InterceptorInfo::InterceptorInfoPrint(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(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "CallHandlerInfo"); |
| os << "\n - callback: " << Brief(callback()); |
| os << "\n - data: " << Brief(data()); |
| os << "\n"; |
| } |
| |
| |
| void FunctionTemplateInfo::FunctionTemplateInfoPrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "FunctionTemplateInfo"); |
| os << "\n - class name: " << Brief(class_name()); |
| os << "\n - tag: " << Brief(tag()); |
| os << "\n - property_list: " << Brief(property_list()); |
| os << "\n - serial_number: " << Brief(serial_number()); |
| 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"; |
| } |
| |
| |
| void ObjectTemplateInfo::ObjectTemplateInfoPrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "ObjectTemplateInfo"); |
| os << " - tag: " << Brief(tag()); |
| 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 SignatureInfo::SignatureInfoPrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "SignatureInfo"); |
| os << "\n - receiver: " << Brief(receiver()); |
| os << "\n - args: " << Brief(args()); |
| os << "\n"; |
| } |
| |
| |
| void TypeSwitchInfo::TypeSwitchInfoPrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "TypeSwitchInfo"); |
| os << "\n - types: " << Brief(types()); |
| os << "\n"; |
| } |
| |
| |
| void AllocationSite::AllocationSitePrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "AllocationSite"); |
| os << " - 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(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "AllocationMemento"); |
| os << " - allocation site: "; |
| if (IsValid()) { |
| GetAllocationSite()->Print(os); |
| } else { |
| os << "<invalid>\n"; |
| } |
| } |
| |
| |
| void Script::ScriptPrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "Script"); |
| os << "\n - source: " << Brief(source()); |
| os << "\n - name: " << Brief(name()); |
| os << "\n - line_offset: " << Brief(line_offset()); |
| os << "\n - column_offset: " << Brief(column_offset()); |
| os << "\n - type: " << Brief(type()); |
| os << "\n - id: " << Brief(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 instructions offset: " |
| << Brief(eval_from_instructions_offset()); |
| os << "\n"; |
| } |
| |
| |
| void DebugInfo::DebugInfoPrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "DebugInfo"); |
| os << "\n - shared: " << Brief(shared()); |
| os << "\n - original_code: " << Brief(original_code()); |
| os << "\n - code: " << Brief(code()); |
| os << "\n - break_points: "; |
| break_points()->Print(os); |
| } |
| |
| |
| void BreakPointInfo::BreakPointInfoPrint(OStream& os) { // NOLINT |
| HeapObject::PrintHeader(os, "BreakPointInfo"); |
| os << "\n - code_position: " << code_position()->value(); |
| os << "\n - source_position: " << source_position()->value(); |
| os << "\n - statement_position: " << statement_position()->value(); |
| os << "\n - break_point_objects: " << Brief(break_point_objects()); |
| os << "\n"; |
| } |
| |
| |
| void DescriptorArray::PrintDescriptors(OStream& os) { // NOLINT |
| os << "Descriptor array " << number_of_descriptors() << "\n"; |
| for (int i = 0; i < number_of_descriptors(); i++) { |
| Descriptor desc; |
| Get(i, &desc); |
| os << " " << i << ": " << desc; |
| } |
| os << "\n"; |
| } |
| |
| |
| void TransitionArray::PrintTransitions(OStream& os) { // NOLINT |
| os << "Transition array %d\n", number_of_transitions(); |
| for (int i = 0; i < number_of_transitions(); i++) { |
| os << " " << i << ": "; |
| GetKey(i)->NamePrint(os); |
| os << ": "; |
| switch (GetTargetDetails(i).type()) { |
| case FIELD: { |
| os << " (transition to field)\n"; |
| break; |
| } |
| case CONSTANT: |
| os << " (transition to constant)\n"; |
| break; |
| case CALLBACKS: |
| os << " (transition to callback)\n"; |
| break; |
| // Values below are never in the target descriptor array. |
| case NORMAL: |
| UNREACHABLE(); |
| break; |
| } |
| } |
| os << "\n"; |
| } |
| |
| |
| #endif // OBJECT_PRINT |
| |
| |
| } } // namespace v8::internal |