Line data Source code
1 : // Copyright 2012 the V8 project authors. All rights reserved.
2 : // Use of this source code is governed by a BSD-style license that can be
3 : // found in the LICENSE file.
4 :
5 : #include "src/objects.h"
6 :
7 : #include <iomanip>
8 : #include <memory>
9 :
10 : #include "src/bootstrapper.h"
11 : #include "src/disasm.h"
12 : #include "src/disassembler.h"
13 : #include "src/heap/heap-inl.h" // For InOldSpace.
14 : #include "src/heap/heap-write-barrier-inl.h" // For GetIsolateFromWritableObj.
15 : #include "src/interpreter/bytecodes.h"
16 : #include "src/objects-inl.h"
17 : #include "src/objects/arguments-inl.h"
18 : #include "src/objects/cell-inl.h"
19 : #include "src/objects/data-handler-inl.h"
20 : #include "src/objects/debug-objects-inl.h"
21 : #include "src/objects/embedder-data-array-inl.h"
22 : #include "src/objects/embedder-data-slot-inl.h"
23 : #include "src/objects/feedback-cell-inl.h"
24 : #include "src/objects/foreign-inl.h"
25 : #include "src/objects/free-space-inl.h"
26 : #include "src/objects/hash-table-inl.h"
27 : #include "src/objects/heap-number-inl.h"
28 : #include "src/objects/js-array-buffer-inl.h"
29 : #include "src/objects/js-array-inl.h"
30 : #include "src/snapshot/embedded-data.h"
31 : #ifdef V8_INTL_SUPPORT
32 : #include "src/objects/js-break-iterator-inl.h"
33 : #include "src/objects/js-collator-inl.h"
34 : #endif // V8_INTL_SUPPORT
35 : #include "src/objects/js-collection-inl.h"
36 : #ifdef V8_INTL_SUPPORT
37 : #include "src/objects/js-date-time-format-inl.h"
38 : #endif // V8_INTL_SUPPORT
39 : #include "src/objects/js-generator-inl.h"
40 : #ifdef V8_INTL_SUPPORT
41 : #include "src/objects/js-list-format-inl.h"
42 : #include "src/objects/js-locale-inl.h"
43 : #include "src/objects/js-number-format-inl.h"
44 : #include "src/objects/js-plural-rules-inl.h"
45 : #endif // V8_INTL_SUPPORT
46 : #include "src/objects/js-regexp-inl.h"
47 : #include "src/objects/js-regexp-string-iterator-inl.h"
48 : #ifdef V8_INTL_SUPPORT
49 : #include "src/objects/js-relative-time-format-inl.h"
50 : #include "src/objects/js-segment-iterator-inl.h"
51 : #include "src/objects/js-segmenter-inl.h"
52 : #endif // V8_INTL_SUPPORT
53 : #include "src/objects/js-weak-refs-inl.h"
54 : #include "src/objects/literal-objects-inl.h"
55 : #include "src/objects/microtask-inl.h"
56 : #include "src/objects/module-inl.h"
57 : #include "src/objects/oddball-inl.h"
58 : #include "src/objects/promise-inl.h"
59 : #include "src/objects/stack-frame-info-inl.h"
60 : #include "src/objects/struct-inl.h"
61 : #include "src/ostreams.h"
62 : #include "src/regexp/jsregexp.h"
63 : #include "src/transitions-inl.h"
64 : #include "src/wasm/wasm-code-manager.h"
65 : #include "src/wasm/wasm-engine.h"
66 : #include "src/wasm/wasm-objects-inl.h"
67 :
68 : namespace v8 {
69 : namespace internal {
70 :
71 : #ifdef OBJECT_PRINT
72 :
73 : void Object::Print() const {
74 : // Output into debugger's command window if a debugger is attached.
75 : DbgStdoutStream dbg_os;
76 : this->Print(dbg_os);
77 : dbg_os << std::flush;
78 :
79 : StdoutStream os;
80 : this->Print(os);
81 : os << std::flush;
82 : }
83 :
84 : void Object::Print(std::ostream& os) const { // NOLINT
85 : if (IsSmi()) {
86 : os << "Smi: " << std::hex << "0x" << Smi::ToInt(*this);
87 : os << std::dec << " (" << Smi::ToInt(*this) << ")\n";
88 : } else {
89 : HeapObject::cast(*this)->HeapObjectPrint(os);
90 : }
91 : }
92 :
93 : void HeapObject::PrintHeader(std::ostream& os, const char* id) { // NOLINT
94 : os << reinterpret_cast<void*>(ptr()) << ": [";
95 : if (id != nullptr) {
96 : os << id;
97 : } else {
98 : os << map()->instance_type();
99 : }
100 : os << "]";
101 : if (GetHeapFromWritableObject(*this)->InOldSpace(*this)) {
102 : os << " in OldSpace";
103 : }
104 : if (!IsMap()) os << "\n - map: " << Brief(map());
105 : }
106 :
107 : void HeapObject::HeapObjectPrint(std::ostream& os) { // NOLINT
108 : InstanceType instance_type = map()->instance_type();
109 :
110 : if (instance_type < FIRST_NONSTRING_TYPE) {
111 : String::cast(*this)->StringPrint(os);
112 : os << "\n";
113 : return;
114 : }
115 :
116 : switch (instance_type) {
117 : case SYMBOL_TYPE:
118 : Symbol::cast(*this)->SymbolPrint(os);
119 : break;
120 : case MAP_TYPE:
121 : Map::cast(*this)->MapPrint(os);
122 : break;
123 : case HEAP_NUMBER_TYPE:
124 : HeapNumber::cast(*this)->HeapNumberPrint(os);
125 : os << "\n";
126 : break;
127 : case MUTABLE_HEAP_NUMBER_TYPE:
128 : os << "<mutable ";
129 : MutableHeapNumber::cast(*this)->MutableHeapNumberPrint(os);
130 : os << ">\n";
131 : break;
132 : case BIGINT_TYPE:
133 : BigInt::cast(*this)->BigIntPrint(os);
134 : os << "\n";
135 : break;
136 : case EMBEDDER_DATA_ARRAY_TYPE:
137 : EmbedderDataArray::cast(*this)->EmbedderDataArrayPrint(os);
138 : break;
139 : case FIXED_DOUBLE_ARRAY_TYPE:
140 : FixedDoubleArray::cast(*this)->FixedDoubleArrayPrint(os);
141 : break;
142 : case FIXED_ARRAY_TYPE:
143 : FixedArray::cast(*this)->FixedArrayPrint(os);
144 : break;
145 : case AWAIT_CONTEXT_TYPE:
146 : case BLOCK_CONTEXT_TYPE:
147 : case CATCH_CONTEXT_TYPE:
148 : case DEBUG_EVALUATE_CONTEXT_TYPE:
149 : case EVAL_CONTEXT_TYPE:
150 : case FUNCTION_CONTEXT_TYPE:
151 : case MODULE_CONTEXT_TYPE:
152 : case SCRIPT_CONTEXT_TYPE:
153 : case WITH_CONTEXT_TYPE:
154 : case SCRIPT_CONTEXT_TABLE_TYPE:
155 : Context::cast(*this)->ContextPrint(os);
156 : break;
157 : case NATIVE_CONTEXT_TYPE:
158 : NativeContext::cast(*this)->NativeContextPrint(os);
159 : break;
160 : case HASH_TABLE_TYPE:
161 : case ORDERED_HASH_MAP_TYPE:
162 : case ORDERED_HASH_SET_TYPE:
163 : case ORDERED_NAME_DICTIONARY_TYPE:
164 : case NAME_DICTIONARY_TYPE:
165 : case GLOBAL_DICTIONARY_TYPE:
166 : case SIMPLE_NUMBER_DICTIONARY_TYPE:
167 : FixedArray::cast(*this)->FixedArrayPrint(os);
168 : break;
169 : case STRING_TABLE_TYPE:
170 : ObjectHashTable::cast(*this)->ObjectHashTablePrint(os);
171 : break;
172 : case NUMBER_DICTIONARY_TYPE:
173 : NumberDictionary::cast(*this)->NumberDictionaryPrint(os);
174 : break;
175 : case EPHEMERON_HASH_TABLE_TYPE:
176 : EphemeronHashTable::cast(*this)->EphemeronHashTablePrint(os);
177 : break;
178 : case OBJECT_BOILERPLATE_DESCRIPTION_TYPE:
179 : ObjectBoilerplateDescription::cast(*this)
180 : ->ObjectBoilerplateDescriptionPrint(os);
181 : break;
182 : case PROPERTY_ARRAY_TYPE:
183 : PropertyArray::cast(*this)->PropertyArrayPrint(os);
184 : break;
185 : case BYTE_ARRAY_TYPE:
186 : ByteArray::cast(*this)->ByteArrayPrint(os);
187 : break;
188 : case BYTECODE_ARRAY_TYPE:
189 : BytecodeArray::cast(*this)->BytecodeArrayPrint(os);
190 : break;
191 : case DESCRIPTOR_ARRAY_TYPE:
192 : DescriptorArray::cast(*this)->DescriptorArrayPrint(os);
193 : break;
194 : case TRANSITION_ARRAY_TYPE:
195 : TransitionArray::cast(*this)->TransitionArrayPrint(os);
196 : break;
197 : case FEEDBACK_CELL_TYPE:
198 : FeedbackCell::cast(*this)->FeedbackCellPrint(os);
199 : break;
200 : case CLOSURE_FEEDBACK_CELL_ARRAY_TYPE:
201 : ClosureFeedbackCellArray::cast(*this)->ClosureFeedbackCellArrayPrint(os);
202 : break;
203 : case FEEDBACK_VECTOR_TYPE:
204 : FeedbackVector::cast(*this)->FeedbackVectorPrint(os);
205 : break;
206 : case FREE_SPACE_TYPE:
207 : FreeSpace::cast(*this)->FreeSpacePrint(os);
208 : break;
209 :
210 : #define PRINT_FIXED_TYPED_ARRAY(Type, type, TYPE, ctype) \
211 : case Fixed##Type##Array::kInstanceType: \
212 : Fixed##Type##Array::cast(*this)->FixedTypedArrayPrint(os); \
213 : break;
214 :
215 : TYPED_ARRAYS(PRINT_FIXED_TYPED_ARRAY)
216 : #undef PRINT_FIXED_TYPED_ARRAY
217 :
218 : case FILLER_TYPE:
219 : os << "filler";
220 : break;
221 : case JS_OBJECT_TYPE: // fall through
222 : case JS_API_OBJECT_TYPE:
223 : case JS_SPECIAL_API_OBJECT_TYPE:
224 : case JS_CONTEXT_EXTENSION_OBJECT_TYPE:
225 : case JS_ASYNC_FUNCTION_OBJECT_TYPE:
226 : case JS_ASYNC_GENERATOR_OBJECT_TYPE:
227 : case JS_ARGUMENTS_TYPE:
228 : case JS_ERROR_TYPE:
229 : // TODO(titzer): debug printing for more wasm objects
230 : case WASM_EXCEPTION_TYPE:
231 : case WASM_GLOBAL_TYPE:
232 : case WASM_MEMORY_TYPE:
233 : case WASM_TABLE_TYPE:
234 : JSObject::cast(*this)->JSObjectPrint(os);
235 : break;
236 : case WASM_MODULE_TYPE:
237 : WasmModuleObject::cast(*this)->WasmModuleObjectPrint(os);
238 : break;
239 : case WASM_INSTANCE_TYPE:
240 : WasmInstanceObject::cast(*this)->WasmInstanceObjectPrint(os);
241 : break;
242 : case JS_GENERATOR_OBJECT_TYPE:
243 : JSGeneratorObject::cast(*this)->JSGeneratorObjectPrint(os);
244 : break;
245 : case JS_PROMISE_TYPE:
246 : JSPromise::cast(*this)->JSPromisePrint(os);
247 : break;
248 : case JS_ARRAY_TYPE:
249 : JSArray::cast(*this)->JSArrayPrint(os);
250 : break;
251 : case JS_REGEXP_TYPE:
252 : JSRegExp::cast(*this)->JSRegExpPrint(os);
253 : break;
254 : case JS_REGEXP_STRING_ITERATOR_TYPE:
255 : JSRegExpStringIterator::cast(*this)->JSRegExpStringIteratorPrint(os);
256 : break;
257 : case ODDBALL_TYPE:
258 : Oddball::cast(*this)->to_string()->Print(os);
259 : break;
260 : case JS_BOUND_FUNCTION_TYPE:
261 : JSBoundFunction::cast(*this)->JSBoundFunctionPrint(os);
262 : break;
263 : case JS_FUNCTION_TYPE:
264 : JSFunction::cast(*this)->JSFunctionPrint(os);
265 : break;
266 : case JS_GLOBAL_PROXY_TYPE:
267 : JSGlobalProxy::cast(*this)->JSGlobalProxyPrint(os);
268 : break;
269 : case JS_GLOBAL_OBJECT_TYPE:
270 : JSGlobalObject::cast(*this)->JSGlobalObjectPrint(os);
271 : break;
272 : case JS_VALUE_TYPE:
273 : JSValue::cast(*this)->JSValuePrint(os);
274 : break;
275 : case JS_DATE_TYPE:
276 : JSDate::cast(*this)->JSDatePrint(os);
277 : break;
278 : case CODE_TYPE:
279 : Code::cast(*this)->CodePrint(os);
280 : break;
281 : case CODE_DATA_CONTAINER_TYPE:
282 : CodeDataContainer::cast(*this)->CodeDataContainerPrint(os);
283 : break;
284 : case JS_PROXY_TYPE:
285 : JSProxy::cast(*this)->JSProxyPrint(os);
286 : break;
287 : case JS_SET_TYPE:
288 : JSSet::cast(*this)->JSSetPrint(os);
289 : break;
290 : case JS_MAP_TYPE:
291 : JSMap::cast(*this)->JSMapPrint(os);
292 : break;
293 : case JS_SET_KEY_VALUE_ITERATOR_TYPE:
294 : case JS_SET_VALUE_ITERATOR_TYPE:
295 : JSSetIterator::cast(*this)->JSSetIteratorPrint(os);
296 : break;
297 : case JS_MAP_KEY_ITERATOR_TYPE:
298 : case JS_MAP_KEY_VALUE_ITERATOR_TYPE:
299 : case JS_MAP_VALUE_ITERATOR_TYPE:
300 : JSMapIterator::cast(*this)->JSMapIteratorPrint(os);
301 : break;
302 : case WEAK_CELL_TYPE:
303 : WeakCell::cast(*this)->WeakCellPrint(os);
304 : break;
305 : case JS_WEAK_REF_TYPE:
306 : JSWeakRef::cast(*this)->JSWeakRefPrint(os);
307 : break;
308 : case JS_FINALIZATION_GROUP_TYPE:
309 : JSFinalizationGroup::cast(*this)->JSFinalizationGroupPrint(os);
310 : break;
311 : case JS_FINALIZATION_GROUP_CLEANUP_ITERATOR_TYPE:
312 : JSFinalizationGroupCleanupIterator::cast(*this)
313 : ->JSFinalizationGroupCleanupIteratorPrint(os);
314 : break;
315 : case JS_WEAK_MAP_TYPE:
316 : JSWeakMap::cast(*this)->JSWeakMapPrint(os);
317 : break;
318 : case JS_WEAK_SET_TYPE:
319 : JSWeakSet::cast(*this)->JSWeakSetPrint(os);
320 : break;
321 : case JS_MODULE_NAMESPACE_TYPE:
322 : JSModuleNamespace::cast(*this)->JSModuleNamespacePrint(os);
323 : break;
324 : case FOREIGN_TYPE:
325 : Foreign::cast(*this)->ForeignPrint(os);
326 : break;
327 : case CALL_HANDLER_INFO_TYPE:
328 : CallHandlerInfo::cast(*this)->CallHandlerInfoPrint(os);
329 : break;
330 : case PREPARSE_DATA_TYPE:
331 : PreparseData::cast(*this)->PreparseDataPrint(os);
332 : break;
333 : case UNCOMPILED_DATA_WITHOUT_PREPARSE_DATA_TYPE:
334 : UncompiledDataWithoutPreparseData::cast(*this)
335 : ->UncompiledDataWithoutPreparseDataPrint(os);
336 : break;
337 : case UNCOMPILED_DATA_WITH_PREPARSE_DATA_TYPE:
338 : UncompiledDataWithPreparseData::cast(*this)
339 : ->UncompiledDataWithPreparseDataPrint(os);
340 : break;
341 : case SHARED_FUNCTION_INFO_TYPE:
342 : SharedFunctionInfo::cast(*this)->SharedFunctionInfoPrint(os);
343 : break;
344 : case JS_MESSAGE_OBJECT_TYPE:
345 : JSMessageObject::cast(*this)->JSMessageObjectPrint(os);
346 : break;
347 : case CELL_TYPE:
348 : Cell::cast(*this)->CellPrint(os);
349 : break;
350 : case PROPERTY_CELL_TYPE:
351 : PropertyCell::cast(*this)->PropertyCellPrint(os);
352 : break;
353 : case JS_ARRAY_BUFFER_TYPE:
354 : JSArrayBuffer::cast(*this)->JSArrayBufferPrint(os);
355 : break;
356 : case JS_ARRAY_ITERATOR_TYPE:
357 : JSArrayIterator::cast(*this)->JSArrayIteratorPrint(os);
358 : break;
359 : case JS_TYPED_ARRAY_TYPE:
360 : JSTypedArray::cast(*this)->JSTypedArrayPrint(os);
361 : break;
362 : case JS_DATA_VIEW_TYPE:
363 : JSDataView::cast(*this)->JSDataViewPrint(os);
364 : break;
365 : #ifdef V8_INTL_SUPPORT
366 : case JS_INTL_V8_BREAK_ITERATOR_TYPE:
367 : JSV8BreakIterator::cast(*this)->JSV8BreakIteratorPrint(os);
368 : break;
369 : case JS_INTL_COLLATOR_TYPE:
370 : JSCollator::cast(*this)->JSCollatorPrint(os);
371 : break;
372 : case JS_INTL_DATE_TIME_FORMAT_TYPE:
373 : JSDateTimeFormat::cast(*this)->JSDateTimeFormatPrint(os);
374 : break;
375 : case JS_INTL_LIST_FORMAT_TYPE:
376 : JSListFormat::cast(*this)->JSListFormatPrint(os);
377 : break;
378 : case JS_INTL_LOCALE_TYPE:
379 : JSLocale::cast(*this)->JSLocalePrint(os);
380 : break;
381 : case JS_INTL_NUMBER_FORMAT_TYPE:
382 : JSNumberFormat::cast(*this)->JSNumberFormatPrint(os);
383 : break;
384 : case JS_INTL_PLURAL_RULES_TYPE:
385 : JSPluralRules::cast(*this)->JSPluralRulesPrint(os);
386 : break;
387 : case JS_INTL_RELATIVE_TIME_FORMAT_TYPE:
388 : JSRelativeTimeFormat::cast(*this)->JSRelativeTimeFormatPrint(os);
389 : break;
390 : case JS_INTL_SEGMENT_ITERATOR_TYPE:
391 : JSSegmentIterator::cast(*this)->JSSegmentIteratorPrint(os);
392 : break;
393 : case JS_INTL_SEGMENTER_TYPE:
394 : JSSegmenter::cast(*this)->JSSegmenterPrint(os);
395 : break;
396 : #endif // V8_INTL_SUPPORT
397 : #define MAKE_STRUCT_CASE(TYPE, Name, name) \
398 : case TYPE: \
399 : Name::cast(*this)->Name##Print(os); \
400 : break;
401 : STRUCT_LIST(MAKE_STRUCT_CASE)
402 : #undef MAKE_STRUCT_CASE
403 :
404 : case ALLOCATION_SITE_TYPE:
405 : AllocationSite::cast(*this)->AllocationSitePrint(os);
406 : break;
407 : case LOAD_HANDLER_TYPE:
408 : LoadHandler::cast(*this)->LoadHandlerPrint(os);
409 : break;
410 : case STORE_HANDLER_TYPE:
411 : StoreHandler::cast(*this)->StoreHandlerPrint(os);
412 : break;
413 : case SCOPE_INFO_TYPE:
414 : ScopeInfo::cast(*this)->ScopeInfoPrint(os);
415 : break;
416 : case FEEDBACK_METADATA_TYPE:
417 : FeedbackMetadata::cast(*this)->FeedbackMetadataPrint(os);
418 : break;
419 : case WEAK_FIXED_ARRAY_TYPE:
420 : WeakFixedArray::cast(*this)->WeakFixedArrayPrint(os);
421 : break;
422 : case WEAK_ARRAY_LIST_TYPE:
423 : WeakArrayList::cast(*this)->WeakArrayListPrint(os);
424 : break;
425 : case EMPTY_STRING_TYPE:
426 : case INTERNALIZED_STRING_TYPE:
427 : case EXTERNAL_INTERNALIZED_STRING_TYPE:
428 : case ONE_BYTE_INTERNALIZED_STRING_TYPE:
429 : case EXTERNAL_ONE_BYTE_INTERNALIZED_STRING_TYPE:
430 : case UNCACHED_EXTERNAL_INTERNALIZED_STRING_TYPE:
431 : case UNCACHED_EXTERNAL_ONE_BYTE_INTERNALIZED_STRING_TYPE:
432 : case STRING_TYPE:
433 : case CONS_STRING_TYPE:
434 : case EXTERNAL_STRING_TYPE:
435 : case SLICED_STRING_TYPE:
436 : case THIN_STRING_TYPE:
437 : case ONE_BYTE_STRING_TYPE:
438 : case CONS_ONE_BYTE_STRING_TYPE:
439 : case EXTERNAL_ONE_BYTE_STRING_TYPE:
440 : case SLICED_ONE_BYTE_STRING_TYPE:
441 : case THIN_ONE_BYTE_STRING_TYPE:
442 : case UNCACHED_EXTERNAL_STRING_TYPE:
443 : case UNCACHED_EXTERNAL_ONE_BYTE_STRING_TYPE:
444 : case SMALL_ORDERED_HASH_MAP_TYPE:
445 : case SMALL_ORDERED_HASH_SET_TYPE:
446 : case SMALL_ORDERED_NAME_DICTIONARY_TYPE:
447 : case JS_ASYNC_FROM_SYNC_ITERATOR_TYPE:
448 : case JS_STRING_ITERATOR_TYPE:
449 : // TODO(all): Handle these types too.
450 : os << "UNKNOWN TYPE " << map()->instance_type();
451 : UNREACHABLE();
452 : break;
453 : }
454 : }
455 :
456 : void ByteArray::ByteArrayPrint(std::ostream& os) { // NOLINT
457 : PrintHeader(os, "ByteArray");
458 : os << "\n - length: " << length()
459 : << "\n - data-start: " << static_cast<void*>(GetDataStartAddress())
460 : << "\n";
461 : }
462 :
463 : void BytecodeArray::BytecodeArrayPrint(std::ostream& os) { // NOLINT
464 : PrintHeader(os, "BytecodeArray");
465 : os << "\n";
466 : Disassemble(os);
467 : }
468 :
469 :
470 : void FreeSpace::FreeSpacePrint(std::ostream& os) { // NOLINT
471 : os << "free space, size " << Size() << "\n";
472 : }
473 :
474 :
475 : template <class Traits>
476 : void FixedTypedArray<Traits>::FixedTypedArrayPrint(
477 : std::ostream& os) { // NOLINT
478 : PrintHeader(os, Traits::ArrayTypeName());
479 : os << "\n - length: " << length() << "\n - base_pointer: ";
480 : if (base_pointer().ptr() == kNullAddress) {
481 : os << "<nullptr>";
482 : } else {
483 : os << Brief(base_pointer());
484 : }
485 : os << "\n - external_pointer: " << external_pointer() << "\n";
486 : }
487 :
488 : bool JSObject::PrintProperties(std::ostream& os) { // NOLINT
489 : if (HasFastProperties()) {
490 : DescriptorArray descs = map()->instance_descriptors();
491 : int nof_inobject_properties = map()->GetInObjectProperties();
492 : int i = 0;
493 : for (; i < map()->NumberOfOwnDescriptors(); i++) {
494 : os << "\n ";
495 : descs->GetKey(i)->NamePrint(os);
496 : os << ": ";
497 : PropertyDetails details = descs->GetDetails(i);
498 : switch (details.location()) {
499 : case kField: {
500 : FieldIndex field_index = FieldIndex::ForDescriptor(map(), i);
501 : if (IsUnboxedDoubleField(field_index)) {
502 : os << "<unboxed double> " << RawFastDoublePropertyAt(field_index);
503 : } else {
504 : os << Brief(RawFastPropertyAt(field_index));
505 : }
506 : break;
507 : }
508 : case kDescriptor:
509 : os << Brief(descs->GetStrongValue(i));
510 : break;
511 : }
512 : os << " ";
513 : details.PrintAsFastTo(os, PropertyDetails::kForProperties);
514 : if (details.location() != kField) continue;
515 : int field_index = details.field_index();
516 : if (nof_inobject_properties <= field_index) {
517 : field_index -= nof_inobject_properties;
518 : os << " properties[" << field_index << "]";
519 : }
520 : }
521 : return i > 0;
522 : } else if (IsJSGlobalObject()) {
523 : JSGlobalObject::cast(*this)->global_dictionary()->Print(os);
524 : } else {
525 : property_dictionary()->Print(os);
526 : }
527 : return true;
528 : }
529 :
530 : namespace {
531 :
532 : template <class T>
533 : bool IsTheHoleAt(T array, int index) {
534 : return false;
535 : }
536 :
537 : template <>
538 : bool IsTheHoleAt(FixedDoubleArray array, int index) {
539 : return array->is_the_hole(index);
540 : }
541 :
542 : template <class T>
543 : double GetScalarElement(T array, int index) {
544 : if (IsTheHoleAt(array, index)) {
545 : return std::numeric_limits<double>::quiet_NaN();
546 : }
547 : return array->get_scalar(index);
548 : }
549 :
550 : template <class T>
551 : void DoPrintElements(std::ostream& os, Object object) { // NOLINT
552 : const bool print_the_hole = std::is_same<T, FixedDoubleArray>::value;
553 : T array = T::cast(object);
554 : if (array->length() == 0) return;
555 : int previous_index = 0;
556 : double previous_value = GetScalarElement(array, 0);
557 : double value = 0.0;
558 : int i;
559 : for (i = 1; i <= array->length(); i++) {
560 : if (i < array->length()) value = GetScalarElement(array, i);
561 : bool values_are_nan = std::isnan(previous_value) && std::isnan(value);
562 : if (i != array->length() && (previous_value == value || values_are_nan) &&
563 : IsTheHoleAt(array, i - 1) == IsTheHoleAt(array, i)) {
564 : continue;
565 : }
566 : os << "\n";
567 : std::stringstream ss;
568 : ss << previous_index;
569 : if (previous_index != i - 1) {
570 : ss << '-' << (i - 1);
571 : }
572 : os << std::setw(12) << ss.str() << ": ";
573 : if (print_the_hole && IsTheHoleAt(array, i - 1)) {
574 : os << "<the_hole>";
575 : } else {
576 : os << previous_value;
577 : }
578 : previous_index = i;
579 : previous_value = value;
580 : }
581 : }
582 :
583 : template <typename T>
584 : void PrintFixedArrayElements(std::ostream& os, T array) {
585 : // Print in array notation for non-sparse arrays.
586 : Object previous_value = array->length() > 0 ? array->get(0) : Object();
587 : Object value;
588 : int previous_index = 0;
589 : int i;
590 : for (i = 1; i <= array->length(); i++) {
591 : if (i < array->length()) value = array->get(i);
592 : if (previous_value == value && i != array->length()) {
593 : continue;
594 : }
595 : os << "\n";
596 : std::stringstream ss;
597 : ss << previous_index;
598 : if (previous_index != i - 1) {
599 : ss << '-' << (i - 1);
600 : }
601 : os << std::setw(12) << ss.str() << ": " << Brief(previous_value);
602 : previous_index = i;
603 : previous_value = value;
604 : }
605 : }
606 :
607 : void PrintDictionaryElements(std::ostream& os, FixedArrayBase elements) {
608 : // Print some internal fields
609 : NumberDictionary dict = NumberDictionary::cast(elements);
610 : if (dict->requires_slow_elements()) {
611 : os << "\n - requires_slow_elements";
612 : } else {
613 : os << "\n - max_number_key: " << dict->max_number_key();
614 : }
615 : dict->Print(os);
616 : }
617 :
618 : void PrintSloppyArgumentElements(std::ostream& os, ElementsKind kind,
619 : SloppyArgumentsElements elements) {
620 : FixedArray arguments_store = elements->arguments();
621 : os << "\n 0: context: " << Brief(elements->context())
622 : << "\n 1: arguments_store: " << Brief(arguments_store)
623 : << "\n parameter to context slot map:";
624 : for (uint32_t i = 0; i < elements->parameter_map_length(); i++) {
625 : uint32_t raw_index = i + SloppyArgumentsElements::kParameterMapStart;
626 : Object mapped_entry = elements->get_mapped_entry(i);
627 : os << "\n " << raw_index << ": param(" << i
628 : << "): " << Brief(mapped_entry);
629 : if (mapped_entry->IsTheHole()) {
630 : os << " in the arguments_store[" << i << "]";
631 : } else {
632 : os << " in the context";
633 : }
634 : }
635 : if (arguments_store->length() == 0) return;
636 : os << "\n }"
637 : << "\n - arguments_store: " << Brief(arguments_store) << " "
638 : << ElementsKindToString(arguments_store->map()->elements_kind()) << " {";
639 : if (kind == FAST_SLOPPY_ARGUMENTS_ELEMENTS) {
640 : PrintFixedArrayElements(os, arguments_store);
641 : } else {
642 : DCHECK_EQ(kind, SLOW_SLOPPY_ARGUMENTS_ELEMENTS);
643 : PrintDictionaryElements(os, arguments_store);
644 : }
645 : }
646 :
647 : void PrintEmbedderData(std::ostream& os, EmbedderDataSlot slot) {
648 : DisallowHeapAllocation no_gc;
649 : Object value = slot.load_tagged();
650 : os << Brief(value);
651 : void* raw_pointer;
652 : if (slot.ToAlignedPointer(&raw_pointer)) {
653 : os << ", aligned pointer: " << raw_pointer;
654 : }
655 : }
656 :
657 : } // namespace
658 :
659 : void JSObject::PrintElements(std::ostream& os) { // NOLINT
660 : // Don't call GetElementsKind, its validation code can cause the printer to
661 : // fail when debugging.
662 : os << " - elements: " << Brief(elements()) << " {";
663 : if (elements()->length() == 0) {
664 : os << " }\n";
665 : return;
666 : }
667 : switch (map()->elements_kind()) {
668 : case HOLEY_SMI_ELEMENTS:
669 : case PACKED_SMI_ELEMENTS:
670 : case HOLEY_ELEMENTS:
671 : case PACKED_ELEMENTS:
672 : case PACKED_FROZEN_ELEMENTS:
673 : case PACKED_SEALED_ELEMENTS:
674 : case FAST_STRING_WRAPPER_ELEMENTS: {
675 : PrintFixedArrayElements(os, FixedArray::cast(elements()));
676 : break;
677 : }
678 : case HOLEY_DOUBLE_ELEMENTS:
679 : case PACKED_DOUBLE_ELEMENTS: {
680 : DoPrintElements<FixedDoubleArray>(os, elements());
681 : break;
682 : }
683 :
684 : #define PRINT_ELEMENTS(Type, type, TYPE, elementType) \
685 : case TYPE##_ELEMENTS: { \
686 : DoPrintElements<Fixed##Type##Array>(os, elements()); \
687 : break; \
688 : }
689 : TYPED_ARRAYS(PRINT_ELEMENTS)
690 : #undef PRINT_ELEMENTS
691 :
692 : case DICTIONARY_ELEMENTS:
693 : case SLOW_STRING_WRAPPER_ELEMENTS:
694 : PrintDictionaryElements(os, elements());
695 : break;
696 : case FAST_SLOPPY_ARGUMENTS_ELEMENTS:
697 : case SLOW_SLOPPY_ARGUMENTS_ELEMENTS:
698 : PrintSloppyArgumentElements(os, map()->elements_kind(),
699 : SloppyArgumentsElements::cast(elements()));
700 : break;
701 : case NO_ELEMENTS:
702 : break;
703 : }
704 : os << "\n }\n";
705 : }
706 :
707 : static void JSObjectPrintHeader(std::ostream& os, JSObject obj,
708 : const char* id) { // NOLINT
709 : Isolate* isolate = obj->GetIsolate();
710 : obj->PrintHeader(os, id);
711 : // Don't call GetElementsKind, its validation code can cause the printer to
712 : // fail when debugging.
713 : os << " [";
714 : if (obj->HasFastProperties()) {
715 : os << "FastProperties";
716 : } else {
717 : os << "DictionaryProperties";
718 : }
719 : PrototypeIterator iter(isolate, obj);
720 : os << "]\n - prototype: " << Brief(iter.GetCurrent());
721 : os << "\n - elements: " << Brief(obj->elements()) << " ["
722 : << ElementsKindToString(obj->map()->elements_kind());
723 : if (obj->elements()->IsCowArray()) os << " (COW)";
724 : os << "]";
725 : Object hash = obj->GetHash();
726 : if (hash->IsSmi()) {
727 : os << "\n - hash: " << Brief(hash);
728 : }
729 : if (obj->GetEmbedderFieldCount() > 0) {
730 : os << "\n - embedder fields: " << obj->GetEmbedderFieldCount();
731 : }
732 : }
733 :
734 : static void JSObjectPrintBody(std::ostream& os,
735 : JSObject obj, // NOLINT
736 : bool print_elements = true) {
737 : os << "\n - properties: ";
738 : Object properties_or_hash = obj->raw_properties_or_hash();
739 : if (!properties_or_hash->IsSmi()) {
740 : os << Brief(properties_or_hash);
741 : }
742 : os << " {";
743 : if (obj->PrintProperties(os)) os << "\n ";
744 : os << "}\n";
745 : if (print_elements && obj->elements()->length() > 0) {
746 : obj->PrintElements(os);
747 : }
748 : int embedder_fields = obj->GetEmbedderFieldCount();
749 : if (embedder_fields > 0) {
750 : os << " - embedder fields = {";
751 : for (int i = 0; i < embedder_fields; i++) {
752 : os << "\n ";
753 : PrintEmbedderData(os, EmbedderDataSlot(obj, i));
754 : }
755 : os << "\n }\n";
756 : }
757 : }
758 :
759 : void JSObject::JSObjectPrint(std::ostream& os) { // NOLINT
760 : JSObjectPrintHeader(os, *this, nullptr);
761 : JSObjectPrintBody(os, *this);
762 : }
763 :
764 : void JSGeneratorObject::JSGeneratorObjectPrint(std::ostream& os) { // NOLINT
765 : JSObjectPrintHeader(os, *this, "JSGeneratorObject");
766 : os << "\n - function: " << Brief(function());
767 : os << "\n - context: " << Brief(context());
768 : os << "\n - receiver: " << Brief(receiver());
769 : if (is_executing() || is_closed()) {
770 : os << "\n - input: " << Brief(input_or_debug_pos());
771 : } else {
772 : DCHECK(is_suspended());
773 : os << "\n - debug pos: " << Brief(input_or_debug_pos());
774 : }
775 : const char* mode = "(invalid)";
776 : switch (resume_mode()) {
777 : case kNext:
778 : mode = ".next()";
779 : break;
780 : case kReturn:
781 : mode = ".return()";
782 : break;
783 : case kThrow:
784 : mode = ".throw()";
785 : break;
786 : }
787 : os << "\n - resume mode: " << mode;
788 : os << "\n - continuation: " << continuation();
789 : if (is_closed()) os << " (closed)";
790 : if (is_executing()) os << " (executing)";
791 : if (is_suspended()) os << " (suspended)";
792 : if (is_suspended()) {
793 : DisallowHeapAllocation no_gc;
794 : SharedFunctionInfo fun_info = function()->shared();
795 : if (fun_info->HasSourceCode()) {
796 : Script script = Script::cast(fun_info->script());
797 : String script_name = script->name()->IsString()
798 : ? String::cast(script->name())
799 : : GetReadOnlyRoots().empty_string();
800 :
801 : os << "\n - source position: ";
802 : // Can't collect source positions here if not available as that would
803 : // allocate memory.
804 : if (fun_info->HasBytecodeArray() &&
805 : fun_info->GetBytecodeArray()->HasSourcePositionTable()) {
806 : os << source_position();
807 : os << " (";
808 : script_name->PrintUC16(os);
809 : int lin = script->GetLineNumber(source_position()) + 1;
810 : int col = script->GetColumnNumber(source_position()) + 1;
811 : os << ", lin " << lin;
812 : os << ", col " << col;
813 : } else {
814 : os << "unavailable";
815 : }
816 : os << ")";
817 : }
818 : }
819 : os << "\n - register file: " << Brief(parameters_and_registers());
820 : JSObjectPrintBody(os, *this);
821 : }
822 :
823 : void JSArray::JSArrayPrint(std::ostream& os) { // NOLINT
824 : JSObjectPrintHeader(os, *this, "JSArray");
825 : os << "\n - length: " << Brief(this->length());
826 : JSObjectPrintBody(os, *this);
827 : }
828 :
829 : void JSPromise::JSPromisePrint(std::ostream& os) { // NOLINT
830 : JSObjectPrintHeader(os, *this, "JSPromise");
831 : os << "\n - status: " << JSPromise::Status(status());
832 : if (status() == Promise::kPending) {
833 : os << "\n - reactions: " << Brief(reactions());
834 : } else {
835 : os << "\n - result: " << Brief(result());
836 : }
837 : os << "\n - has_handler: " << has_handler();
838 : JSObjectPrintBody(os, *this);
839 : }
840 :
841 : void JSRegExp::JSRegExpPrint(std::ostream& os) { // NOLINT
842 : JSObjectPrintHeader(os, *this, "JSRegExp");
843 : os << "\n - data: " << Brief(data());
844 : os << "\n - source: " << Brief(source());
845 : JSObjectPrintBody(os, *this);
846 : }
847 :
848 : void JSRegExpStringIterator::JSRegExpStringIteratorPrint(
849 : std::ostream& os) { // NOLINT
850 : JSObjectPrintHeader(os, *this, "JSRegExpStringIterator");
851 : os << "\n - regex: " << Brief(iterating_regexp());
852 : os << "\n - string: " << Brief(iterating_string());
853 : os << "\n - done: " << done();
854 : os << "\n - global: " << global();
855 : os << "\n - unicode: " << unicode();
856 : JSObjectPrintBody(os, *this);
857 : }
858 :
859 : void Symbol::SymbolPrint(std::ostream& os) { // NOLINT
860 : PrintHeader(os, "Symbol");
861 : os << "\n - hash: " << Hash();
862 : os << "\n - name: " << Brief(name());
863 : if (name()->IsUndefined()) {
864 : os << " (" << PrivateSymbolToName() << ")";
865 : }
866 : os << "\n - private: " << is_private();
867 : }
868 :
869 :
870 : void DescriptorArray::DescriptorArrayPrint(std::ostream& os) {
871 : PrintHeader(os, "DescriptorArray");
872 : os << "\n - enum_cache: ";
873 : if (enum_cache()->keys()->length() == 0) {
874 : os << "empty";
875 : } else {
876 : os << enum_cache()->keys()->length();
877 : os << "\n - keys: " << Brief(enum_cache()->keys());
878 : os << "\n - indices: " << Brief(enum_cache()->indices());
879 : }
880 : os << "\n - nof slack descriptors: " << number_of_slack_descriptors();
881 : os << "\n - nof descriptors: " << number_of_descriptors();
882 : int16_t raw_marked = raw_number_of_marked_descriptors();
883 : os << "\n - raw marked descriptors: mc epoch "
884 : << NumberOfMarkedDescriptors::Epoch::decode(raw_marked) << ", marked "
885 : << NumberOfMarkedDescriptors::Marked::decode(raw_marked);
886 : PrintDescriptors(os);
887 : }
888 :
889 : void AliasedArgumentsEntry::AliasedArgumentsEntryPrint(
890 : std::ostream& os) { // NOLINT
891 : PrintHeader(os, "AliasedArgumentsEntry");
892 : os << "\n - aliased_context_slot: " << aliased_context_slot();
893 : }
894 :
895 : namespace {
896 : void PrintFixedArrayWithHeader(std::ostream& os, FixedArray array,
897 : const char* type) {
898 : array->PrintHeader(os, type);
899 : os << "\n - length: " << array->length();
900 : PrintFixedArrayElements(os, array);
901 : os << "\n";
902 : }
903 :
904 : template <typename T>
905 : void PrintHashTableWithHeader(std::ostream& os, T table, const char* type) {
906 : table->PrintHeader(os, type);
907 : os << "\n - length: " << table->length();
908 : os << "\n - elements: " << table->NumberOfElements();
909 : os << "\n - deleted: " << table->NumberOfDeletedElements();
910 : os << "\n - capacity: " << table->Capacity();
911 :
912 : os << "\n - elements: {";
913 : for (int i = 0; i < table->Capacity(); i++) {
914 : os << '\n'
915 : << std::setw(12) << i << ": " << Brief(table->KeyAt(i)) << " -> "
916 : << Brief(table->ValueAt(i));
917 : }
918 : os << "\n }\n";
919 : }
920 :
921 : template <typename T>
922 : void PrintWeakArrayElements(std::ostream& os, T* array) {
923 : // Print in array notation for non-sparse arrays.
924 : MaybeObject previous_value =
925 : array->length() > 0 ? array->Get(0) : MaybeObject(kNullAddress);
926 : MaybeObject value;
927 : int previous_index = 0;
928 : int i;
929 : for (i = 1; i <= array->length(); i++) {
930 : if (i < array->length()) value = array->Get(i);
931 : if (previous_value == value && i != array->length()) {
932 : continue;
933 : }
934 : os << "\n";
935 : std::stringstream ss;
936 : ss << previous_index;
937 : if (previous_index != i - 1) {
938 : ss << '-' << (i - 1);
939 : }
940 : os << std::setw(12) << ss.str() << ": " << Brief(previous_value);
941 : previous_index = i;
942 : previous_value = value;
943 : }
944 : }
945 :
946 : } // namespace
947 :
948 : void EmbedderDataArray::EmbedderDataArrayPrint(std::ostream& os) {
949 : PrintHeader(os, "EmbedderDataArray");
950 : os << "\n - length: " << length();
951 : EmbedderDataSlot start(*this, 0);
952 : EmbedderDataSlot end(*this, length());
953 : for (EmbedderDataSlot slot = start; slot < end; ++slot) {
954 : os << "\n ";
955 : PrintEmbedderData(os, slot);
956 : }
957 : os << "\n";
958 : }
959 :
960 : void FixedArray::FixedArrayPrint(std::ostream& os) {
961 : PrintFixedArrayWithHeader(os, *this, "FixedArray");
962 : }
963 :
964 : namespace {
965 : void PrintContextWithHeader(std::ostream& os, Context context,
966 : const char* type) {
967 : context->PrintHeader(os, type);
968 : os << "\n - length: " << context->length();
969 : os << "\n - scope_info: " << Brief(context->scope_info());
970 : os << "\n - previous: " << Brief(context->unchecked_previous());
971 : os << "\n - extension: " << Brief(context->extension());
972 : os << "\n - native_context: " << Brief(context->native_context());
973 : PrintFixedArrayElements(os, context);
974 : os << "\n";
975 : }
976 : } // namespace
977 :
978 : void Context::ContextPrint(std::ostream& os) {
979 : PrintContextWithHeader(os, *this, "Context");
980 : }
981 :
982 : void NativeContext::NativeContextPrint(std::ostream& os) {
983 : PrintContextWithHeader(os, *this, "NativeContext");
984 : os << " - microtask_queue: " << microtask_queue() << "\n";
985 : }
986 :
987 : void ObjectHashTable::ObjectHashTablePrint(std::ostream& os) {
988 : PrintHashTableWithHeader(os, *this, "ObjectHashTable");
989 : }
990 :
991 : void NumberDictionary::NumberDictionaryPrint(std::ostream& os) {
992 : PrintHashTableWithHeader(os, *this, "NumberDictionary");
993 : }
994 :
995 : void EphemeronHashTable::EphemeronHashTablePrint(std::ostream& os) {
996 : PrintHashTableWithHeader(os, *this, "EphemeronHashTable");
997 : }
998 :
999 : void ObjectBoilerplateDescription::ObjectBoilerplateDescriptionPrint(
1000 : std::ostream& os) {
1001 : PrintFixedArrayWithHeader(os, *this, "ObjectBoilerplateDescription");
1002 : }
1003 :
1004 : void PropertyArray::PropertyArrayPrint(std::ostream& os) { // NOLINT
1005 : PrintHeader(os, "PropertyArray");
1006 : os << "\n - length: " << length();
1007 : os << "\n - hash: " << Hash();
1008 : PrintFixedArrayElements(os, *this);
1009 : os << "\n";
1010 : }
1011 :
1012 : void FixedDoubleArray::FixedDoubleArrayPrint(std::ostream& os) { // NOLINT
1013 : PrintHeader(os, "FixedDoubleArray");
1014 : os << "\n - length: " << length();
1015 : DoPrintElements<FixedDoubleArray>(os, *this);
1016 : os << "\n";
1017 : }
1018 :
1019 : void WeakFixedArray::WeakFixedArrayPrint(std::ostream& os) {
1020 : PrintHeader(os, "WeakFixedArray");
1021 : os << "\n - length: " << length() << "\n";
1022 : PrintWeakArrayElements(os, this);
1023 : os << "\n";
1024 : }
1025 :
1026 : void WeakArrayList::WeakArrayListPrint(std::ostream& os) {
1027 : PrintHeader(os, "WeakArrayList");
1028 : os << "\n - capacity: " << capacity();
1029 : os << "\n - length: " << length() << "\n";
1030 : PrintWeakArrayElements(os, this);
1031 : os << "\n";
1032 : }
1033 :
1034 : void TransitionArray::TransitionArrayPrint(std::ostream& os) { // NOLINT
1035 : PrintHeader(os, "TransitionArray");
1036 : PrintInternal(os);
1037 : }
1038 :
1039 : void FeedbackCell::FeedbackCellPrint(std::ostream& os) { // NOLINT
1040 : PrintHeader(os, "FeedbackCell");
1041 : ReadOnlyRoots roots = GetReadOnlyRoots();
1042 : if (map() == roots.no_closures_cell_map()) {
1043 : os << "\n - no closures";
1044 : } else if (map() == roots.one_closure_cell_map()) {
1045 : os << "\n - one closure";
1046 : } else if (map() == roots.many_closures_cell_map()) {
1047 : os << "\n - many closures";
1048 : } else {
1049 : os << "\n - Invalid FeedbackCell map";
1050 : }
1051 : os << " - value: " << Brief(value());
1052 : os << "\n";
1053 : }
1054 :
1055 : void FeedbackVectorSpec::Print() {
1056 : StdoutStream os;
1057 :
1058 : FeedbackVectorSpecPrint(os);
1059 :
1060 : os << std::flush;
1061 : }
1062 :
1063 : void FeedbackVectorSpec::FeedbackVectorSpecPrint(std::ostream& os) { // NOLINT
1064 : int slot_count = slots();
1065 : os << " - slot_count: " << slot_count;
1066 : if (slot_count == 0) {
1067 : os << " (empty)\n";
1068 : return;
1069 : }
1070 :
1071 : for (int slot = 0; slot < slot_count;) {
1072 : FeedbackSlotKind kind = GetKind(FeedbackSlot(slot));
1073 : int entry_size = FeedbackMetadata::GetSlotSize(kind);
1074 : DCHECK_LT(0, entry_size);
1075 : os << "\n Slot #" << slot << " " << kind;
1076 : slot += entry_size;
1077 : }
1078 : os << "\n";
1079 : }
1080 :
1081 : void FeedbackMetadata::FeedbackMetadataPrint(std::ostream& os) {
1082 : PrintHeader(os, "FeedbackMetadata");
1083 : os << "\n - slot_count: " << slot_count();
1084 :
1085 : FeedbackMetadataIterator iter(*this);
1086 : while (iter.HasNext()) {
1087 : FeedbackSlot slot = iter.Next();
1088 : FeedbackSlotKind kind = iter.kind();
1089 : os << "\n Slot " << slot << " " << kind;
1090 : }
1091 : os << "\n";
1092 : }
1093 :
1094 : void ClosureFeedbackCellArray::ClosureFeedbackCellArrayPrint(std::ostream& os) {
1095 : PrintFixedArrayWithHeader(os, *this, "ClosureFeedbackCellArray");
1096 : }
1097 :
1098 : void FeedbackVector::FeedbackVectorPrint(std::ostream& os) { // NOLINT
1099 : PrintHeader(os, "FeedbackVector");
1100 : os << "\n - length: " << length();
1101 : if (length() == 0) {
1102 : os << " (empty)\n";
1103 : return;
1104 : }
1105 :
1106 : os << "\n - shared function info: " << Brief(shared_function_info());
1107 : os << "\n - optimized code/marker: ";
1108 : if (has_optimized_code()) {
1109 : os << Brief(optimized_code());
1110 : } else {
1111 : os << optimization_marker();
1112 : }
1113 : os << "\n - invocation count: " << invocation_count();
1114 : os << "\n - profiler ticks: " << profiler_ticks();
1115 :
1116 : FeedbackMetadataIterator iter(metadata());
1117 : while (iter.HasNext()) {
1118 : FeedbackSlot slot = iter.Next();
1119 : FeedbackSlotKind kind = iter.kind();
1120 :
1121 : os << "\n - slot " << slot << " " << kind << " ";
1122 : FeedbackSlotPrint(os, slot);
1123 :
1124 : int entry_size = iter.entry_size();
1125 : if (entry_size > 0) os << " {";
1126 : for (int i = 0; i < entry_size; i++) {
1127 : int index = GetIndex(slot) + i;
1128 : os << "\n [" << index << "]: " << Brief(get(index));
1129 : }
1130 : if (entry_size > 0) os << "\n }";
1131 : }
1132 : os << "\n";
1133 : }
1134 :
1135 : void FeedbackVector::FeedbackSlotPrint(std::ostream& os,
1136 : FeedbackSlot slot) { // NOLINT
1137 : FeedbackNexus nexus(*this, slot);
1138 : nexus.Print(os);
1139 : }
1140 :
1141 : void FeedbackNexus::Print(std::ostream& os) { // NOLINT
1142 : switch (kind()) {
1143 : case FeedbackSlotKind::kCall:
1144 : case FeedbackSlotKind::kCloneObject:
1145 : case FeedbackSlotKind::kHasKeyed:
1146 : case FeedbackSlotKind::kInstanceOf:
1147 : case FeedbackSlotKind::kLoadGlobalInsideTypeof:
1148 : case FeedbackSlotKind::kLoadGlobalNotInsideTypeof:
1149 : case FeedbackSlotKind::kLoadKeyed:
1150 : case FeedbackSlotKind::kLoadProperty:
1151 : case FeedbackSlotKind::kStoreDataPropertyInLiteral:
1152 : case FeedbackSlotKind::kStoreGlobalSloppy:
1153 : case FeedbackSlotKind::kStoreGlobalStrict:
1154 : case FeedbackSlotKind::kStoreInArrayLiteral:
1155 : case FeedbackSlotKind::kStoreKeyedSloppy:
1156 : case FeedbackSlotKind::kStoreKeyedStrict:
1157 : case FeedbackSlotKind::kStoreNamedSloppy:
1158 : case FeedbackSlotKind::kStoreNamedStrict:
1159 : case FeedbackSlotKind::kStoreOwnNamed: {
1160 : os << InlineCacheState2String(ic_state());
1161 : break;
1162 : }
1163 : case FeedbackSlotKind::kBinaryOp: {
1164 : os << "BinaryOp:" << GetBinaryOperationFeedback();
1165 : break;
1166 : }
1167 : case FeedbackSlotKind::kCompareOp: {
1168 : os << "CompareOp:" << GetCompareOperationFeedback();
1169 : break;
1170 : }
1171 : case FeedbackSlotKind::kForIn: {
1172 : os << "ForIn:" << GetForInFeedback();
1173 : break;
1174 : }
1175 : case FeedbackSlotKind::kLiteral:
1176 : case FeedbackSlotKind::kTypeProfile:
1177 : break;
1178 : case FeedbackSlotKind::kInvalid:
1179 : case FeedbackSlotKind::kKindsNumber:
1180 : UNREACHABLE();
1181 : break;
1182 : }
1183 : }
1184 :
1185 : void JSValue::JSValuePrint(std::ostream& os) { // NOLINT
1186 : JSObjectPrintHeader(os, *this, "JSValue");
1187 : os << "\n - value: " << Brief(value());
1188 : JSObjectPrintBody(os, *this);
1189 : }
1190 :
1191 : void JSMessageObject::JSMessageObjectPrint(std::ostream& os) { // NOLINT
1192 : JSObjectPrintHeader(os, *this, "JSMessageObject");
1193 : os << "\n - type: " << static_cast<int>(type());
1194 : os << "\n - arguments: " << Brief(argument());
1195 : os << "\n - start_position: " << start_position();
1196 : os << "\n - end_position: " << end_position();
1197 : os << "\n - script: " << Brief(script());
1198 : os << "\n - stack_frames: " << Brief(stack_frames());
1199 : JSObjectPrintBody(os, *this);
1200 : }
1201 :
1202 :
1203 : void String::StringPrint(std::ostream& os) { // NOLINT
1204 : if (!IsOneByteRepresentation()) {
1205 : os << "u";
1206 : }
1207 : if (StringShape(*this).IsInternalized()) {
1208 : os << "#";
1209 : } else if (StringShape(*this).IsCons()) {
1210 : os << "c\"";
1211 : } else if (StringShape(*this).IsThin()) {
1212 : os << ">\"";
1213 : } else {
1214 : os << "\"";
1215 : }
1216 :
1217 : const char truncated_epilogue[] = "...<truncated>";
1218 : int len = length();
1219 : if (!FLAG_use_verbose_printer) {
1220 : if (len > 100) {
1221 : len = 100 - sizeof(truncated_epilogue);
1222 : }
1223 : }
1224 : for (int i = 0; i < len; i++) {
1225 : os << AsUC16(Get(i));
1226 : }
1227 : if (len != length()) {
1228 : os << truncated_epilogue;
1229 : }
1230 :
1231 : if (!StringShape(*this).IsInternalized()) os << "\"";
1232 : }
1233 :
1234 :
1235 : void Name::NamePrint(std::ostream& os) { // NOLINT
1236 : if (IsString()) {
1237 : String::cast(*this)->StringPrint(os);
1238 : } else {
1239 : os << Brief(*this);
1240 : }
1241 : }
1242 :
1243 :
1244 : static const char* const weekdays[] = {
1245 : "???", "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
1246 : };
1247 :
1248 : void JSDate::JSDatePrint(std::ostream& os) { // NOLINT
1249 : JSObjectPrintHeader(os, *this, "JSDate");
1250 : os << "\n - value: " << Brief(value());
1251 : if (!year()->IsSmi()) {
1252 : os << "\n - time = NaN\n";
1253 : } else {
1254 : // TODO(svenpanne) Add some basic formatting to our streams.
1255 : ScopedVector<char> buf(100);
1256 : SNPrintF(buf, "\n - time = %s %04d/%02d/%02d %02d:%02d:%02d\n",
1257 : weekdays[weekday()->IsSmi() ? Smi::ToInt(weekday()) + 1 : 0],
1258 : year()->IsSmi() ? Smi::ToInt(year()) : -1,
1259 : month()->IsSmi() ? Smi::ToInt(month()) : -1,
1260 : day()->IsSmi() ? Smi::ToInt(day()) : -1,
1261 : hour()->IsSmi() ? Smi::ToInt(hour()) : -1,
1262 : min()->IsSmi() ? Smi::ToInt(min()) : -1,
1263 : sec()->IsSmi() ? Smi::ToInt(sec()) : -1);
1264 : os << buf.start();
1265 : }
1266 : JSObjectPrintBody(os, *this);
1267 : }
1268 :
1269 :
1270 : void JSProxy::JSProxyPrint(std::ostream& os) { // NOLINT
1271 : PrintHeader(os, "JSProxy");
1272 : os << "\n - target: ";
1273 : target()->ShortPrint(os);
1274 : os << "\n - handler: ";
1275 : handler()->ShortPrint(os);
1276 : os << "\n";
1277 : }
1278 :
1279 : void JSSet::JSSetPrint(std::ostream& os) { // NOLINT
1280 : JSObjectPrintHeader(os, *this, "JSSet");
1281 : os << " - table: " << Brief(table());
1282 : JSObjectPrintBody(os, *this);
1283 : }
1284 :
1285 : void JSMap::JSMapPrint(std::ostream& os) { // NOLINT
1286 : JSObjectPrintHeader(os, *this, "JSMap");
1287 : os << " - table: " << Brief(table());
1288 : JSObjectPrintBody(os, *this);
1289 : }
1290 :
1291 : void JSCollectionIterator::JSCollectionIteratorPrint(
1292 : std::ostream& os, const char* name) { // NOLINT
1293 : JSObjectPrintHeader(os, *this, name);
1294 : os << "\n - table: " << Brief(table());
1295 : os << "\n - index: " << Brief(index());
1296 : JSObjectPrintBody(os, *this);
1297 : }
1298 :
1299 : void JSSetIterator::JSSetIteratorPrint(std::ostream& os) { // NOLINT
1300 : JSCollectionIteratorPrint(os, "JSSetIterator");
1301 : }
1302 :
1303 : void JSMapIterator::JSMapIteratorPrint(std::ostream& os) { // NOLINT
1304 : JSCollectionIteratorPrint(os, "JSMapIterator");
1305 : }
1306 :
1307 : void WeakCell::WeakCellPrint(std::ostream& os) {
1308 : PrintHeader(os, "WeakCell");
1309 : os << "\n - finalization_group: " << Brief(finalization_group());
1310 : os << "\n - target: " << Brief(target());
1311 : os << "\n - holdings: " << Brief(holdings());
1312 : os << "\n - prev: " << Brief(prev());
1313 : os << "\n - next: " << Brief(next());
1314 : os << "\n - key: " << Brief(key());
1315 : os << "\n - key_list_prev: " << Brief(key_list_prev());
1316 : os << "\n - key_list_next: " << Brief(key_list_next());
1317 : }
1318 :
1319 : void JSWeakRef::JSWeakRefPrint(std::ostream& os) {
1320 : JSObjectPrintHeader(os, *this, "JSWeakRef");
1321 : os << "\n - target: " << Brief(target());
1322 : JSObjectPrintBody(os, *this);
1323 : }
1324 :
1325 : void JSFinalizationGroup::JSFinalizationGroupPrint(std::ostream& os) {
1326 : JSObjectPrintHeader(os, *this, "JSFinalizationGroup");
1327 : os << "\n - native_context: " << Brief(native_context());
1328 : os << "\n - cleanup: " << Brief(cleanup());
1329 : os << "\n - active_cells: " << Brief(active_cells());
1330 : os << "\n - cleared_cells: " << Brief(cleared_cells());
1331 : os << "\n - key_map: " << Brief(key_map());
1332 : JSObjectPrintBody(os, *this);
1333 : }
1334 :
1335 : void JSFinalizationGroupCleanupIterator::
1336 : JSFinalizationGroupCleanupIteratorPrint(std::ostream& os) {
1337 : JSObjectPrintHeader(os, *this, "JSFinalizationGroupCleanupIterator");
1338 : os << "\n - finalization_group: " << Brief(finalization_group());
1339 : JSObjectPrintBody(os, *this);
1340 : }
1341 :
1342 : void FinalizationGroupCleanupJobTask::FinalizationGroupCleanupJobTaskPrint(
1343 : std::ostream& os) {
1344 : PrintHeader(os, "FinalizationGroupCleanupJobTask");
1345 : os << "\n - finalization_group: " << Brief(finalization_group());
1346 : }
1347 :
1348 : void JSWeakMap::JSWeakMapPrint(std::ostream& os) { // NOLINT
1349 : JSObjectPrintHeader(os, *this, "JSWeakMap");
1350 : os << "\n - table: " << Brief(table());
1351 : JSObjectPrintBody(os, *this);
1352 : }
1353 :
1354 : void JSWeakSet::JSWeakSetPrint(std::ostream& os) { // NOLINT
1355 : JSObjectPrintHeader(os, *this, "JSWeakSet");
1356 : os << "\n - table: " << Brief(table());
1357 : JSObjectPrintBody(os, *this);
1358 : }
1359 :
1360 : void JSArrayBuffer::JSArrayBufferPrint(std::ostream& os) { // NOLINT
1361 : JSObjectPrintHeader(os, *this, "JSArrayBuffer");
1362 : os << "\n - backing_store: " << backing_store();
1363 : os << "\n - byte_length: " << byte_length();
1364 : if (is_external()) os << "\n - external";
1365 : if (is_detachable()) os << "\n - detachable";
1366 : if (was_detached()) os << "\n - detached";
1367 : if (is_shared()) os << "\n - shared";
1368 : if (is_wasm_memory()) os << "\n - is_wasm_memory";
1369 : JSObjectPrintBody(os, *this, !was_detached());
1370 : }
1371 :
1372 : void JSTypedArray::JSTypedArrayPrint(std::ostream& os) { // NOLINT
1373 : JSObjectPrintHeader(os, *this, "JSTypedArray");
1374 : os << "\n - buffer: " << Brief(buffer());
1375 : os << "\n - byte_offset: " << byte_offset();
1376 : os << "\n - byte_length: " << byte_length();
1377 : os << "\n - length: " << length();
1378 : if (!buffer()->IsJSArrayBuffer()) {
1379 : os << "\n <invalid buffer>\n";
1380 : return;
1381 : }
1382 : if (WasDetached()) os << "\n - detached";
1383 : JSObjectPrintBody(os, *this, !WasDetached());
1384 : }
1385 :
1386 : void JSArrayIterator::JSArrayIteratorPrint(std::ostream& os) { // NOLING
1387 : JSObjectPrintHeader(os, *this, "JSArrayIterator");
1388 : os << "\n - iterated_object: " << Brief(iterated_object());
1389 : os << "\n - next_index: " << Brief(next_index());
1390 : os << "\n - kind: " << kind();
1391 : JSObjectPrintBody(os, *this);
1392 : }
1393 :
1394 : void JSDataView::JSDataViewPrint(std::ostream& os) { // NOLINT
1395 : JSObjectPrintHeader(os, *this, "JSDataView");
1396 : os << "\n - buffer =" << Brief(buffer());
1397 : os << "\n - byte_offset: " << byte_offset();
1398 : os << "\n - byte_length: " << byte_length();
1399 : if (!buffer()->IsJSArrayBuffer()) {
1400 : os << "\n <invalid buffer>";
1401 : return;
1402 : }
1403 : if (WasDetached()) os << "\n - detached";
1404 : JSObjectPrintBody(os, *this, !WasDetached());
1405 : }
1406 :
1407 : void JSBoundFunction::JSBoundFunctionPrint(std::ostream& os) { // NOLINT
1408 : JSObjectPrintHeader(os, *this, "JSBoundFunction");
1409 : os << "\n - bound_target_function: " << Brief(bound_target_function());
1410 : os << "\n - bound_this: " << Brief(bound_this());
1411 : os << "\n - bound_arguments: " << Brief(bound_arguments());
1412 : JSObjectPrintBody(os, *this);
1413 : }
1414 :
1415 : void JSFunction::JSFunctionPrint(std::ostream& os) { // NOLINT
1416 : Isolate* isolate = GetIsolate();
1417 : JSObjectPrintHeader(os, *this, "Function");
1418 : os << "\n - function prototype: ";
1419 : if (has_prototype_slot()) {
1420 : if (has_prototype()) {
1421 : os << Brief(prototype());
1422 : if (map()->has_non_instance_prototype()) {
1423 : os << " (non-instance prototype)";
1424 : }
1425 : }
1426 : os << "\n - initial_map: ";
1427 : if (has_initial_map()) os << Brief(initial_map());
1428 : } else {
1429 : os << "<no-prototype-slot>";
1430 : }
1431 : os << "\n - shared_info: " << Brief(shared());
1432 : os << "\n - name: " << Brief(shared()->Name());
1433 :
1434 : // Print Builtin name for builtin functions
1435 : int builtin_index = code()->builtin_index();
1436 : if (Builtins::IsBuiltinId(builtin_index) && !IsInterpreted()) {
1437 : os << "\n - builtin: " << isolate->builtins()->name(builtin_index);
1438 : }
1439 :
1440 : os << "\n - formal_parameter_count: "
1441 : << shared()->internal_formal_parameter_count();
1442 : if (shared()->is_safe_to_skip_arguments_adaptor()) {
1443 : os << "\n - safe_to_skip_arguments_adaptor";
1444 : }
1445 : os << "\n - kind: " << shared()->kind();
1446 : os << "\n - context: " << Brief(context());
1447 : os << "\n - code: " << Brief(code());
1448 : if (IsInterpreted()) {
1449 : os << "\n - interpreted";
1450 : if (shared()->HasBytecodeArray()) {
1451 : os << "\n - bytecode: " << shared()->GetBytecodeArray();
1452 : }
1453 : }
1454 : if (WasmExportedFunction::IsWasmExportedFunction(*this)) {
1455 : WasmExportedFunction function = WasmExportedFunction::cast(*this);
1456 : os << "\n - WASM instance "
1457 : << reinterpret_cast<void*>(function->instance()->ptr());
1458 : os << "\n - WASM function index " << function->function_index();
1459 : }
1460 : shared()->PrintSourceCode(os);
1461 : JSObjectPrintBody(os, *this);
1462 : os << "\n - feedback vector: ";
1463 : if (!shared()->HasFeedbackMetadata()) {
1464 : os << "feedback metadata is not available in SFI\n";
1465 : } else if (has_feedback_vector()) {
1466 : feedback_vector()->FeedbackVectorPrint(os);
1467 : } else {
1468 : os << "not available\n";
1469 : }
1470 : }
1471 :
1472 : void SharedFunctionInfo::PrintSourceCode(std::ostream& os) {
1473 : if (HasSourceCode()) {
1474 : os << "\n - source code: ";
1475 : String source = String::cast(Script::cast(script())->source());
1476 : int start = StartPosition();
1477 : int length = EndPosition() - start;
1478 : std::unique_ptr<char[]> source_string = source->ToCString(
1479 : DISALLOW_NULLS, FAST_STRING_TRAVERSAL, start, length, nullptr);
1480 : os << source_string.get();
1481 : }
1482 : }
1483 :
1484 : void SharedFunctionInfo::SharedFunctionInfoPrint(std::ostream& os) { // NOLINT
1485 : PrintHeader(os, "SharedFunctionInfo");
1486 : os << "\n - name: ";
1487 : if (HasSharedName()) {
1488 : os << Brief(Name());
1489 : } else {
1490 : os << "<no-shared-name>";
1491 : }
1492 : if (HasInferredName()) {
1493 : os << "\n - inferred name: " << Brief(inferred_name());
1494 : }
1495 : os << "\n - kind: " << kind();
1496 : if (needs_home_object()) {
1497 : os << "\n - needs_home_object";
1498 : }
1499 : os << "\n - function_map_index: " << function_map_index();
1500 : os << "\n - formal_parameter_count: " << internal_formal_parameter_count();
1501 : if (is_safe_to_skip_arguments_adaptor()) {
1502 : os << "\n - safe_to_skip_arguments_adaptor";
1503 : }
1504 : os << "\n - expected_nof_properties: " << expected_nof_properties();
1505 : os << "\n - language_mode: " << language_mode();
1506 : os << "\n - data: " << Brief(function_data());
1507 : os << "\n - code (from data): " << Brief(GetCode());
1508 : PrintSourceCode(os);
1509 : // Script files are often large, hard to read.
1510 : // os << "\n - script =";
1511 : // script()->Print(os);
1512 : if (is_named_expression()) {
1513 : os << "\n - named expression";
1514 : } else if (is_anonymous_expression()) {
1515 : os << "\n - anonymous expression";
1516 : } else if (is_declaration()) {
1517 : os << "\n - declaration";
1518 : }
1519 : os << "\n - function token position: " << function_token_position();
1520 : os << "\n - start position: " << StartPosition();
1521 : os << "\n - end position: " << EndPosition();
1522 : if (HasDebugInfo()) {
1523 : os << "\n - debug info: " << Brief(GetDebugInfo());
1524 : } else {
1525 : os << "\n - no debug info";
1526 : }
1527 : os << "\n - scope info: " << Brief(scope_info());
1528 : if (HasOuterScopeInfo()) {
1529 : os << "\n - outer scope info: " << Brief(GetOuterScopeInfo());
1530 : }
1531 : os << "\n - length: " << length();
1532 : os << "\n - feedback_metadata: ";
1533 : if (HasFeedbackMetadata()) {
1534 : feedback_metadata()->FeedbackMetadataPrint(os);
1535 : } else {
1536 : os << "<none>";
1537 : }
1538 : os << "\n";
1539 : }
1540 :
1541 : void JSGlobalProxy::JSGlobalProxyPrint(std::ostream& os) { // NOLINT
1542 : JSObjectPrintHeader(os, *this, "JSGlobalProxy");
1543 : if (!GetIsolate()->bootstrapper()->IsActive()) {
1544 : os << "\n - native context: " << Brief(native_context());
1545 : }
1546 : JSObjectPrintBody(os, *this);
1547 : }
1548 :
1549 : void JSGlobalObject::JSGlobalObjectPrint(std::ostream& os) { // NOLINT
1550 : JSObjectPrintHeader(os, *this, "JSGlobalObject");
1551 : if (!GetIsolate()->bootstrapper()->IsActive()) {
1552 : os << "\n - native context: " << Brief(native_context());
1553 : }
1554 : os << "\n - global proxy: " << Brief(global_proxy());
1555 : JSObjectPrintBody(os, *this);
1556 : }
1557 :
1558 : void Cell::CellPrint(std::ostream& os) { // NOLINT
1559 : PrintHeader(os, "Cell");
1560 : os << "\n - value: " << Brief(value());
1561 : os << "\n";
1562 : }
1563 :
1564 : void PropertyCell::PropertyCellPrint(std::ostream& os) { // NOLINT
1565 : PrintHeader(os, "PropertyCell");
1566 : os << "\n - name: ";
1567 : name()->NamePrint(os);
1568 : os << "\n - value: " << Brief(value());
1569 : os << "\n - details: ";
1570 : property_details().PrintAsSlowTo(os);
1571 : PropertyCellType cell_type = property_details().cell_type();
1572 : os << "\n - cell_type: ";
1573 : if (value()->IsTheHole()) {
1574 : switch (cell_type) {
1575 : case PropertyCellType::kUninitialized:
1576 : os << "Uninitialized";
1577 : break;
1578 : case PropertyCellType::kInvalidated:
1579 : os << "Invalidated";
1580 : break;
1581 : default:
1582 : os << "??? " << static_cast<int>(cell_type);
1583 : break;
1584 : }
1585 : } else {
1586 : switch (cell_type) {
1587 : case PropertyCellType::kUndefined:
1588 : os << "Undefined";
1589 : break;
1590 : case PropertyCellType::kConstant:
1591 : os << "Constant";
1592 : break;
1593 : case PropertyCellType::kConstantType:
1594 : os << "ConstantType"
1595 : << " (";
1596 : switch (GetConstantType()) {
1597 : case PropertyCellConstantType::kSmi:
1598 : os << "Smi";
1599 : break;
1600 : case PropertyCellConstantType::kStableMap:
1601 : os << "StableMap";
1602 : break;
1603 : }
1604 : os << ")";
1605 : break;
1606 : case PropertyCellType::kMutable:
1607 : os << "Mutable";
1608 : break;
1609 : }
1610 : }
1611 : os << "\n";
1612 : }
1613 :
1614 : void Code::CodePrint(std::ostream& os) { // NOLINT
1615 : PrintHeader(os, "Code");
1616 : os << "\n";
1617 : #ifdef ENABLE_DISASSEMBLER
1618 : if (FLAG_use_verbose_printer) {
1619 : Disassemble(nullptr, os);
1620 : }
1621 : #endif
1622 : }
1623 :
1624 : void CodeDataContainer::CodeDataContainerPrint(std::ostream& os) { // NOLINT
1625 : PrintHeader(os, "CodeDataContainer");
1626 : os << "\n - kind_specific_flags: " << kind_specific_flags();
1627 : os << "\n";
1628 : }
1629 :
1630 : void Foreign::ForeignPrint(std::ostream& os) { // NOLINT
1631 : PrintHeader(os, "Foreign");
1632 : os << "\n - foreign address : " << reinterpret_cast<void*>(foreign_address());
1633 : os << "\n";
1634 : }
1635 :
1636 :
1637 : void AccessorInfo::AccessorInfoPrint(std::ostream& os) { // NOLINT
1638 : PrintHeader(os, "AccessorInfo");
1639 : os << "\n - name: " << Brief(name());
1640 : os << "\n - flags: " << flags();
1641 : os << "\n - getter: " << Brief(getter());
1642 : os << "\n - setter: " << Brief(setter());
1643 : os << "\n - js_getter: " << Brief(js_getter());
1644 : os << "\n - data: " << Brief(data());
1645 : os << "\n";
1646 : }
1647 :
1648 : void CallbackTask::CallbackTaskPrint(std::ostream& os) { // NOLINT
1649 : PrintHeader(os, "CallbackTask");
1650 : os << "\n - callback: " << Brief(callback());
1651 : os << "\n - data: " << Brief(data());
1652 : os << "\n";
1653 : }
1654 :
1655 : void CallableTask::CallableTaskPrint(std::ostream& os) { // NOLINT
1656 : PrintHeader(os, "CallableTask");
1657 : os << "\n - context: " << Brief(context());
1658 : os << "\n - callable: " << Brief(callable());
1659 : os << "\n";
1660 : }
1661 :
1662 : void PromiseFulfillReactionJobTask::PromiseFulfillReactionJobTaskPrint(
1663 : std::ostream& os) { // NOLINT
1664 : PrintHeader(os, "PromiseFulfillReactionJobTask");
1665 : os << "\n - argument: " << Brief(argument());
1666 : os << "\n - context: " << Brief(context());
1667 : os << "\n - handler: " << Brief(handler());
1668 : os << "\n - promise_or_capability: " << Brief(promise_or_capability());
1669 : os << "\n";
1670 : }
1671 :
1672 : void PromiseRejectReactionJobTask::PromiseRejectReactionJobTaskPrint(
1673 : std::ostream& os) { // NOLINT
1674 : PrintHeader(os, "PromiseRejectReactionJobTask");
1675 : os << "\n - argument: " << Brief(argument());
1676 : os << "\n - context: " << Brief(context());
1677 : os << "\n - handler: " << Brief(handler());
1678 : os << "\n - promise_or_capability: " << Brief(promise_or_capability());
1679 : os << "\n";
1680 : }
1681 :
1682 : void PromiseResolveThenableJobTask::PromiseResolveThenableJobTaskPrint(
1683 : std::ostream& os) { // NOLINT
1684 : PrintHeader(os, "PromiseResolveThenableJobTask");
1685 : os << "\n - context: " << Brief(context());
1686 : os << "\n - promise_to_resolve: " << Brief(promise_to_resolve());
1687 : os << "\n - then: " << Brief(then());
1688 : os << "\n - thenable: " << Brief(thenable());
1689 : os << "\n";
1690 : }
1691 :
1692 : void PromiseCapability::PromiseCapabilityPrint(std::ostream& os) { // NOLINT
1693 : PrintHeader(os, "PromiseCapability");
1694 : os << "\n - promise: " << Brief(promise());
1695 : os << "\n - resolve: " << Brief(resolve());
1696 : os << "\n - reject: " << Brief(reject());
1697 : os << "\n";
1698 : }
1699 :
1700 : void PromiseReaction::PromiseReactionPrint(std::ostream& os) { // NOLINT
1701 : PrintHeader(os, "PromiseReaction");
1702 : os << "\n - next: " << Brief(next());
1703 : os << "\n - reject_handler: " << Brief(reject_handler());
1704 : os << "\n - fulfill_handler: " << Brief(fulfill_handler());
1705 : os << "\n - promise_or_capability: " << Brief(promise_or_capability());
1706 : os << "\n";
1707 : }
1708 :
1709 : void AsyncGeneratorRequest::AsyncGeneratorRequestPrint(
1710 : std::ostream& os) { // NOLINT
1711 : PrintHeader(os, "AsyncGeneratorRequest");
1712 : const char* mode = "Invalid!";
1713 : switch (resume_mode()) {
1714 : case JSGeneratorObject::kNext:
1715 : mode = ".next()";
1716 : break;
1717 : case JSGeneratorObject::kReturn:
1718 : mode = ".return()";
1719 : break;
1720 : case JSGeneratorObject::kThrow:
1721 : mode = ".throw()";
1722 : break;
1723 : }
1724 : os << "\n - resume mode: " << mode;
1725 : os << "\n - value: " << Brief(value());
1726 : os << "\n - next: " << Brief(next());
1727 : os << "\n";
1728 : }
1729 :
1730 : void ModuleInfoEntry::ModuleInfoEntryPrint(std::ostream& os) { // NOLINT
1731 : PrintHeader(os, "ModuleInfoEntry");
1732 : os << "\n - export_name: " << Brief(export_name());
1733 : os << "\n - local_name: " << Brief(local_name());
1734 : os << "\n - import_name: " << Brief(import_name());
1735 : os << "\n - module_request: " << module_request();
1736 : os << "\n - cell_index: " << cell_index();
1737 : os << "\n - beg_pos: " << beg_pos();
1738 : os << "\n - end_pos: " << end_pos();
1739 : os << "\n";
1740 : }
1741 :
1742 : void Module::ModulePrint(std::ostream& os) { // NOLINT
1743 : PrintHeader(os, "Module");
1744 : os << "\n - origin: " << Brief(script()->GetNameOrSourceURL());
1745 : os << "\n - code: " << Brief(code());
1746 : os << "\n - exports: " << Brief(exports());
1747 : os << "\n - requested_modules: " << Brief(requested_modules());
1748 : os << "\n - script: " << Brief(script());
1749 : os << "\n - import_meta: " << Brief(import_meta());
1750 : os << "\n - status: " << status();
1751 : os << "\n - exception: " << Brief(exception());
1752 : os << "\n";
1753 : }
1754 :
1755 : void JSModuleNamespace::JSModuleNamespacePrint(std::ostream& os) { // NOLINT
1756 : JSObjectPrintHeader(os, *this, "JSModuleNamespace");
1757 : os << "\n - module: " << Brief(module());
1758 : JSObjectPrintBody(os, *this);
1759 : }
1760 :
1761 : void PrototypeInfo::PrototypeInfoPrint(std::ostream& os) { // NOLINT
1762 : PrintHeader(os, "PrototypeInfo");
1763 : os << "\n - module namespace: " << Brief(module_namespace());
1764 : os << "\n - prototype users: " << Brief(prototype_users());
1765 : os << "\n - registry slot: " << registry_slot();
1766 : os << "\n - object create map: " << Brief(object_create_map());
1767 : os << "\n - should_be_fast_map: " << should_be_fast_map();
1768 : os << "\n";
1769 : }
1770 :
1771 : void ClassPositions::ClassPositionsPrint(std::ostream& os) { // NOLINT
1772 : PrintHeader(os, "ClassPositions");
1773 : os << "\n - start position: " << start();
1774 : os << "\n - end position: " << end();
1775 : os << "\n";
1776 : }
1777 :
1778 : void ArrayBoilerplateDescription::ArrayBoilerplateDescriptionPrint(
1779 : std::ostream& os) { // NOLINT
1780 : PrintHeader(os, "ArrayBoilerplateDescription");
1781 : os << "\n - elements kind: " << elements_kind();
1782 : os << "\n - constant elements: " << Brief(constant_elements());
1783 : os << "\n";
1784 : }
1785 :
1786 : void AsmWasmData::AsmWasmDataPrint(std::ostream& os) { // NOLINT
1787 : PrintHeader(os, "AsmWasmData");
1788 : os << "\n - native module: " << Brief(managed_native_module());
1789 : os << "\n - export_wrappers: " << Brief(export_wrappers());
1790 : os << "\n - offset table: " << Brief(asm_js_offset_table());
1791 : os << "\n - uses bitset: " << uses_bitset()->value();
1792 : os << "\n";
1793 : }
1794 :
1795 : void WasmDebugInfo::WasmDebugInfoPrint(std::ostream& os) { // NOLINT
1796 : PrintHeader(os, "WasmDebugInfo");
1797 : os << "\n - wasm_instance: " << Brief(wasm_instance());
1798 : os << "\n";
1799 : }
1800 :
1801 : void WasmExceptionTag::WasmExceptionTagPrint(std::ostream& os) { // NOLINT
1802 : PrintHeader(os, "WasmExceptionTag");
1803 : os << "\n - index: " << index();
1804 : os << "\n";
1805 : }
1806 :
1807 : void WasmInstanceObject::WasmInstanceObjectPrint(std::ostream& os) { // NOLINT
1808 : JSObjectPrintHeader(os, *this, "WasmInstanceObject");
1809 : os << "\n - module_object: " << Brief(module_object());
1810 : os << "\n - exports_object: " << Brief(exports_object());
1811 : os << "\n - native_context: " << Brief(native_context());
1812 : if (has_memory_object()) {
1813 : os << "\n - memory_object: " << Brief(memory_object());
1814 : }
1815 : if (has_untagged_globals_buffer()) {
1816 : os << "\n - untagged_globals_buffer: " << Brief(untagged_globals_buffer());
1817 : }
1818 : if (has_tagged_globals_buffer()) {
1819 : os << "\n - tagged_globals_buffer: " << Brief(tagged_globals_buffer());
1820 : }
1821 : if (has_imported_mutable_globals_buffers()) {
1822 : os << "\n - imported_mutable_globals_buffers: "
1823 : << Brief(imported_mutable_globals_buffers());
1824 : }
1825 : if (has_debug_info()) {
1826 : os << "\n - debug_info: " << Brief(debug_info());
1827 : }
1828 : for (int i = 0; i < tables()->length(); i++) {
1829 : os << "\n - table " << i << ": " << Brief(tables()->get(i));
1830 : }
1831 : os << "\n - imported_function_refs: " << Brief(imported_function_refs());
1832 : if (has_indirect_function_table_refs()) {
1833 : os << "\n - indirect_function_table_refs: "
1834 : << Brief(indirect_function_table_refs());
1835 : }
1836 : if (has_managed_native_allocations()) {
1837 : os << "\n - managed_native_allocations: "
1838 : << Brief(managed_native_allocations());
1839 : }
1840 : os << "\n - memory_start: " << static_cast<void*>(memory_start());
1841 : os << "\n - memory_size: " << memory_size();
1842 : os << "\n - memory_mask: " << AsHex(memory_mask());
1843 : os << "\n - imported_function_targets: "
1844 : << static_cast<void*>(imported_function_targets());
1845 : os << "\n - globals_start: " << static_cast<void*>(globals_start());
1846 : os << "\n - imported_mutable_globals: "
1847 : << static_cast<void*>(imported_mutable_globals());
1848 : os << "\n - indirect_function_table_size: " << indirect_function_table_size();
1849 : os << "\n - indirect_function_table_sig_ids: "
1850 : << static_cast<void*>(indirect_function_table_sig_ids());
1851 : os << "\n - indirect_function_table_targets: "
1852 : << static_cast<void*>(indirect_function_table_targets());
1853 : JSObjectPrintBody(os, *this);
1854 : os << "\n";
1855 : }
1856 :
1857 : void WasmExportedFunctionData::WasmExportedFunctionDataPrint(
1858 : std::ostream& os) { // NOLINT
1859 : PrintHeader(os, "WasmExportedFunctionData");
1860 : os << "\n - wrapper_code: " << Brief(wrapper_code());
1861 : os << "\n - instance: " << Brief(instance());
1862 : os << "\n - jump_table_offset: " << jump_table_offset();
1863 : os << "\n - function_index: " << function_index();
1864 : os << "\n";
1865 : }
1866 :
1867 : void WasmModuleObject::WasmModuleObjectPrint(std::ostream& os) { // NOLINT
1868 : PrintHeader(os, "WasmModuleObject");
1869 : os << "\n - module: " << module();
1870 : os << "\n - native module: " << native_module();
1871 : os << "\n - export wrappers: " << Brief(export_wrappers());
1872 : os << "\n - script: " << Brief(script());
1873 : if (has_asm_js_offset_table()) {
1874 : os << "\n - asm_js_offset_table: " << Brief(asm_js_offset_table());
1875 : }
1876 : if (has_breakpoint_infos()) {
1877 : os << "\n - breakpoint_infos: " << Brief(breakpoint_infos());
1878 : }
1879 : os << "\n";
1880 : }
1881 :
1882 : void LoadHandler::LoadHandlerPrint(std::ostream& os) { // NOLINT
1883 : PrintHeader(os, "LoadHandler");
1884 : // TODO(ishell): implement printing based on handler kind
1885 : os << "\n - handler: " << Brief(smi_handler());
1886 : os << "\n - validity_cell: " << Brief(validity_cell());
1887 : int data_count = data_field_count();
1888 : if (data_count >= 1) {
1889 : os << "\n - data1: " << Brief(data1());
1890 : }
1891 : if (data_count >= 2) {
1892 : os << "\n - data2: " << Brief(data2());
1893 : }
1894 : if (data_count >= 3) {
1895 : os << "\n - data3: " << Brief(data3());
1896 : }
1897 : os << "\n";
1898 : }
1899 :
1900 : void StoreHandler::StoreHandlerPrint(std::ostream& os) { // NOLINT
1901 : PrintHeader(os, "StoreHandler");
1902 : // TODO(ishell): implement printing based on handler kind
1903 : os << "\n - handler: " << Brief(smi_handler());
1904 : os << "\n - validity_cell: " << Brief(validity_cell());
1905 : int data_count = data_field_count();
1906 : if (data_count >= 1) {
1907 : os << "\n - data1: " << Brief(data1());
1908 : }
1909 : if (data_count >= 2) {
1910 : os << "\n - data2: " << Brief(data2());
1911 : }
1912 : if (data_count >= 3) {
1913 : os << "\n - data3: " << Brief(data3());
1914 : }
1915 : os << "\n";
1916 : }
1917 :
1918 : void AccessorPair::AccessorPairPrint(std::ostream& os) { // NOLINT
1919 : PrintHeader(os, "AccessorPair");
1920 : os << "\n - getter: " << Brief(getter());
1921 : os << "\n - setter: " << Brief(setter());
1922 : os << "\n";
1923 : }
1924 :
1925 :
1926 : void AccessCheckInfo::AccessCheckInfoPrint(std::ostream& os) { // NOLINT
1927 : PrintHeader(os, "AccessCheckInfo");
1928 : os << "\n - callback: " << Brief(callback());
1929 : os << "\n - named_interceptor: " << Brief(named_interceptor());
1930 : os << "\n - indexed_interceptor: " << Brief(indexed_interceptor());
1931 : os << "\n - data: " << Brief(data());
1932 : os << "\n";
1933 : }
1934 :
1935 : void CallHandlerInfo::CallHandlerInfoPrint(std::ostream& os) { // NOLINT
1936 : PrintHeader(os, "CallHandlerInfo");
1937 : os << "\n - callback: " << Brief(callback());
1938 : os << "\n - js_callback: " << Brief(js_callback());
1939 : os << "\n - data: " << Brief(data());
1940 : os << "\n - side_effect_free: "
1941 : << (IsSideEffectFreeCallHandlerInfo() ? "true" : "false");
1942 : os << "\n";
1943 : }
1944 :
1945 : void InterceptorInfo::InterceptorInfoPrint(std::ostream& os) { // NOLINT
1946 : PrintHeader(os, "InterceptorInfo");
1947 : os << "\n - getter: " << Brief(getter());
1948 : os << "\n - setter: " << Brief(setter());
1949 : os << "\n - query: " << Brief(query());
1950 : os << "\n - deleter: " << Brief(deleter());
1951 : os << "\n - enumerator: " << Brief(enumerator());
1952 : os << "\n - data: " << Brief(data());
1953 : os << "\n";
1954 : }
1955 :
1956 :
1957 : void FunctionTemplateInfo::FunctionTemplateInfoPrint(
1958 : std::ostream& os) { // NOLINT
1959 : PrintHeader(os, "FunctionTemplateInfo");
1960 : os << "\n - class name: " << Brief(class_name());
1961 : os << "\n - tag: " << Brief(tag());
1962 : os << "\n - serial_number: " << Brief(serial_number());
1963 : os << "\n - property_list: " << Brief(property_list());
1964 : os << "\n - call_code: " << Brief(call_code());
1965 : os << "\n - property_accessors: " << Brief(property_accessors());
1966 : os << "\n - signature: " << Brief(signature());
1967 : os << "\n - cached_property_name: " << Brief(cached_property_name());
1968 : os << "\n - hidden_prototype: " << (hidden_prototype() ? "true" : "false");
1969 : os << "\n - undetectable: " << (undetectable() ? "true" : "false");
1970 : os << "\n - need_access_check: " << (needs_access_check() ? "true" : "false");
1971 : os << "\n - instantiated: " << (instantiated() ? "true" : "false");
1972 : os << "\n - rare_data: " << Brief(rare_data());
1973 : os << "\n";
1974 : }
1975 :
1976 : void FunctionTemplateRareData::FunctionTemplateRareDataPrint(
1977 : std::ostream& os) { // NOLINT
1978 : PrintHeader(os, "FunctionTemplateRareData");
1979 : os << "\n - prototype_template: " << Brief(prototype_template());
1980 : os << "\n - prototype_provider_template: "
1981 : << Brief(prototype_provider_template());
1982 : os << "\n - parent_template: " << Brief(parent_template());
1983 : os << "\n - named_property_handler: " << Brief(named_property_handler());
1984 : os << "\n - indexed_property_handler: " << Brief(indexed_property_handler());
1985 : os << "\n - instance_template: " << Brief(instance_template());
1986 : os << "\n - instance_call_handler: " << Brief(instance_call_handler());
1987 : os << "\n - access_check_info: " << Brief(access_check_info());
1988 : os << "\n";
1989 : }
1990 :
1991 : void ObjectTemplateInfo::ObjectTemplateInfoPrint(std::ostream& os) { // NOLINT
1992 : PrintHeader(os, "ObjectTemplateInfo");
1993 : os << "\n - tag: " << Brief(tag());
1994 : os << "\n - serial_number: " << Brief(serial_number());
1995 : os << "\n - property_list: " << Brief(property_list());
1996 : os << "\n - property_accessors: " << Brief(property_accessors());
1997 : os << "\n - constructor: " << Brief(constructor());
1998 : os << "\n - embedder_field_count: " << embedder_field_count();
1999 : os << "\n - immutable_proto: " << (immutable_proto() ? "true" : "false");
2000 : os << "\n";
2001 : }
2002 :
2003 :
2004 : void AllocationSite::AllocationSitePrint(std::ostream& os) { // NOLINT
2005 : PrintHeader(os, "AllocationSite");
2006 : if (this->HasWeakNext()) os << "\n - weak_next: " << Brief(weak_next());
2007 : os << "\n - dependent code: " << Brief(dependent_code());
2008 : os << "\n - nested site: " << Brief(nested_site());
2009 : os << "\n - memento found count: "
2010 : << Brief(Smi::FromInt(memento_found_count()));
2011 : os << "\n - memento create count: "
2012 : << Brief(Smi::FromInt(memento_create_count()));
2013 : os << "\n - pretenure decision: "
2014 : << Brief(Smi::FromInt(pretenure_decision()));
2015 : os << "\n - transition_info: ";
2016 : if (!PointsToLiteral()) {
2017 : ElementsKind kind = GetElementsKind();
2018 : os << "Array allocation with ElementsKind " << ElementsKindToString(kind);
2019 : } else if (boilerplate()->IsJSArray()) {
2020 : os << "Array literal with boilerplate " << Brief(boilerplate());
2021 : } else {
2022 : os << "Object literal with boilerplate " << Brief(boilerplate());
2023 : }
2024 : os << "\n";
2025 : }
2026 :
2027 :
2028 : void AllocationMemento::AllocationMementoPrint(std::ostream& os) { // NOLINT
2029 : PrintHeader(os, "AllocationMemento");
2030 : os << "\n - allocation site: ";
2031 : if (IsValid()) {
2032 : GetAllocationSite()->AllocationSitePrint(os);
2033 : } else {
2034 : os << "<invalid>\n";
2035 : }
2036 : }
2037 :
2038 :
2039 : void Script::ScriptPrint(std::ostream& os) { // NOLINT
2040 : PrintHeader(os, "Script");
2041 : os << "\n - source: " << Brief(source());
2042 : os << "\n - name: " << Brief(name());
2043 : os << "\n - line_offset: " << line_offset();
2044 : os << "\n - column_offset: " << column_offset();
2045 : os << "\n - type: " << type();
2046 : os << "\n - id: " << id();
2047 : os << "\n - context data: " << Brief(context_data());
2048 : os << "\n - compilation type: " << compilation_type();
2049 : os << "\n - line ends: " << Brief(line_ends());
2050 : if (has_eval_from_shared()) {
2051 : os << "\n - eval from shared: " << Brief(eval_from_shared());
2052 : }
2053 : if (is_wrapped()) {
2054 : os << "\n - wrapped arguments: " << Brief(wrapped_arguments());
2055 : }
2056 : os << "\n - eval from position: " << eval_from_position();
2057 : os << "\n - shared function infos: " << Brief(shared_function_infos());
2058 : os << "\n";
2059 : }
2060 :
2061 : #ifdef V8_INTL_SUPPORT
2062 : void JSV8BreakIterator::JSV8BreakIteratorPrint(std::ostream& os) { // NOLINT
2063 : JSObjectPrintHeader(os, *this, "JSV8BreakIterator");
2064 : os << "\n - locale: " << Brief(locale());
2065 : os << "\n - type: " << TypeAsString();
2066 : os << "\n - break iterator: " << Brief(break_iterator());
2067 : os << "\n - unicode string: " << Brief(unicode_string());
2068 : os << "\n - bound adopt text: " << Brief(bound_adopt_text());
2069 : os << "\n - bound first: " << Brief(bound_first());
2070 : os << "\n - bound next: " << Brief(bound_next());
2071 : os << "\n - bound current: " << Brief(bound_current());
2072 : os << "\n - bound break type: " << Brief(bound_break_type());
2073 : os << "\n";
2074 : }
2075 :
2076 : void JSCollator::JSCollatorPrint(std::ostream& os) { // NOLINT
2077 : JSObjectPrintHeader(os, *this, "JSCollator");
2078 : os << "\n - icu collator: " << Brief(icu_collator());
2079 : os << "\n - bound compare: " << Brief(bound_compare());
2080 : JSObjectPrintBody(os, *this);
2081 : }
2082 :
2083 : void JSDateTimeFormat::JSDateTimeFormatPrint(std::ostream& os) { // NOLINT
2084 : JSObjectPrintHeader(os, *this, "JSDateTimeFormat");
2085 : os << "\n - icu locale: " << Brief(icu_locale());
2086 : os << "\n - icu simple date format: " << Brief(icu_simple_date_format());
2087 : os << "\n - icu date interval format: " << Brief(icu_date_interval_format());
2088 : os << "\n - bound format: " << Brief(bound_format());
2089 : os << "\n - hour cycle: " << HourCycleAsString();
2090 : JSObjectPrintBody(os, *this);
2091 : }
2092 :
2093 : void JSListFormat::JSListFormatPrint(std::ostream& os) { // NOLINT
2094 : JSObjectPrintHeader(os, *this, "JSListFormat");
2095 : os << "\n - locale: " << Brief(locale());
2096 : os << "\n - style: " << StyleAsString();
2097 : os << "\n - type: " << TypeAsString();
2098 : os << "\n - icu formatter: " << Brief(icu_formatter());
2099 : JSObjectPrintBody(os, *this);
2100 : }
2101 :
2102 : void JSLocale::JSLocalePrint(std::ostream& os) { // NOLINT
2103 : JSObjectPrintHeader(os, *this, "JSLocale");
2104 : os << "\n - icu locale: " << Brief(icu_locale());
2105 : JSObjectPrintBody(os, *this);
2106 : }
2107 :
2108 : void JSNumberFormat::JSNumberFormatPrint(std::ostream& os) { // NOLINT
2109 : JSObjectPrintHeader(os, *this, "JSNumberFormat");
2110 : os << "\n - locale: " << Brief(locale());
2111 : os << "\n - icu_number_format: " << Brief(icu_number_format());
2112 : os << "\n - bound_format: " << Brief(bound_format());
2113 : os << "\n - style: " << StyleAsString();
2114 : os << "\n - currency_display: " << CurrencyDisplayAsString();
2115 : JSObjectPrintBody(os, *this);
2116 : }
2117 :
2118 : void JSPluralRules::JSPluralRulesPrint(std::ostream& os) { // NOLINT
2119 : JSObjectPrintHeader(os, *this, "JSPluralRules");
2120 : os << "\n - locale: " << Brief(locale());
2121 : os << "\n - type: " << TypeAsString();
2122 : os << "\n - icu plural rules: " << Brief(icu_plural_rules());
2123 : os << "\n - icu decimal format: " << Brief(icu_decimal_format());
2124 : JSObjectPrintBody(os, *this);
2125 : }
2126 :
2127 : void JSRelativeTimeFormat::JSRelativeTimeFormatPrint(
2128 : std::ostream& os) { // NOLINT
2129 : JSObjectPrintHeader(os, *this, "JSRelativeTimeFormat");
2130 : os << "\n - locale: " << Brief(locale());
2131 : os << "\n - style: " << StyleAsString();
2132 : os << "\n - numeric: " << NumericAsString();
2133 : os << "\n - icu formatter: " << Brief(icu_formatter());
2134 : os << "\n";
2135 : }
2136 :
2137 : void JSSegmentIterator::JSSegmentIteratorPrint(std::ostream& os) { // NOLINT
2138 : JSObjectPrintHeader(os, *this, "JSSegmentIterator");
2139 : os << "\n - icu break iterator: " << Brief(icu_break_iterator());
2140 : os << "\n - unicode string: " << Brief(unicode_string());
2141 : os << "\n - granularity: " << GranularityAsString();
2142 : os << "\n";
2143 : }
2144 :
2145 : void JSSegmenter::JSSegmenterPrint(std::ostream& os) { // NOLINT
2146 : JSObjectPrintHeader(os, *this, "JSSegmenter");
2147 : os << "\n - locale: " << Brief(locale());
2148 : os << "\n - granularity: " << GranularityAsString();
2149 : os << "\n - icu break iterator: " << Brief(icu_break_iterator());
2150 : JSObjectPrintBody(os, *this);
2151 : }
2152 : #endif // V8_INTL_SUPPORT
2153 :
2154 : namespace {
2155 : void PrintScopeInfoList(ScopeInfo scope_info, std::ostream& os,
2156 : const char* list_name, int nof_internal_slots,
2157 : int start, int length) {
2158 : if (length <= 0) return;
2159 : int end = start + length;
2160 : os << "\n - " << list_name;
2161 : if (nof_internal_slots > 0) {
2162 : os << " " << start << "-" << end << " [internal slots]";
2163 : }
2164 : os << " {\n";
2165 : for (int i = nof_internal_slots; start < end; ++i, ++start) {
2166 : os << " - " << i << ": ";
2167 : String::cast(scope_info->get(start))->ShortPrint(os);
2168 : os << "\n";
2169 : }
2170 : os << " }";
2171 : }
2172 : } // namespace
2173 :
2174 : void ScopeInfo::ScopeInfoPrint(std::ostream& os) { // NOLINT
2175 : PrintHeader(os, "ScopeInfo");
2176 : if (length() == 0) {
2177 : os << "\n - length = 0\n";
2178 : return;
2179 : }
2180 : int flags = Flags();
2181 :
2182 : os << "\n - parameters: " << ParameterCount();
2183 : os << "\n - context locals : " << ContextLocalCount();
2184 :
2185 : os << "\n - scope type: " << scope_type();
2186 : if (CallsSloppyEval()) os << "\n - sloppy eval";
2187 : os << "\n - language mode: " << language_mode();
2188 : if (is_declaration_scope()) os << "\n - declaration scope";
2189 : if (HasReceiver()) {
2190 : os << "\n - receiver: " << ReceiverVariableField::decode(flags);
2191 : }
2192 : if (HasNewTarget()) os << "\n - needs new target";
2193 : if (HasFunctionName()) {
2194 : os << "\n - function name(" << FunctionVariableField::decode(flags)
2195 : << "): ";
2196 : FunctionName()->ShortPrint(os);
2197 : }
2198 : if (IsAsmModule()) os << "\n - asm module";
2199 : if (HasSimpleParameters()) os << "\n - simple parameters";
2200 : os << "\n - function kind: " << function_kind();
2201 : if (HasOuterScopeInfo()) {
2202 : os << "\n - outer scope info: " << Brief(OuterScopeInfo());
2203 : }
2204 : if (HasFunctionName()) {
2205 : os << "\n - function name: " << Brief(FunctionName());
2206 : }
2207 : if (HasInferredFunctionName()) {
2208 : os << "\n - inferred function name: " << Brief(InferredFunctionName());
2209 : }
2210 :
2211 : if (HasPositionInfo()) {
2212 : os << "\n - start position: " << StartPosition();
2213 : os << "\n - end position: " << EndPosition();
2214 : }
2215 : os << "\n - length: " << length();
2216 : if (length() > 0) {
2217 : PrintScopeInfoList(*this, os, "context slots", Context::MIN_CONTEXT_SLOTS,
2218 : ContextLocalNamesIndex(), ContextLocalCount());
2219 : // TODO(neis): Print module stuff if present.
2220 : }
2221 : os << "\n";
2222 : }
2223 :
2224 : void DebugInfo::DebugInfoPrint(std::ostream& os) { // NOLINT
2225 : PrintHeader(os, "DebugInfo");
2226 : os << "\n - flags: " << flags();
2227 : os << "\n - debugger_hints: " << debugger_hints();
2228 : os << "\n - shared: " << Brief(shared());
2229 : os << "\n - script: " << Brief(script());
2230 : os << "\n - original bytecode array: " << Brief(original_bytecode_array());
2231 : os << "\n - debug bytecode array: " << Brief(debug_bytecode_array());
2232 : os << "\n - break_points: ";
2233 : break_points()->FixedArrayPrint(os);
2234 : os << "\n - coverage_info: " << Brief(coverage_info());
2235 : }
2236 :
2237 : void StackTraceFrame::StackTraceFramePrint(std::ostream& os) { // NOLINT
2238 : PrintHeader(os, "StackTraceFrame");
2239 : os << "\n - frame_index: " << frame_index();
2240 : os << "\n - id: " << id();
2241 : os << "\n - frame_info: " << Brief(frame_info());
2242 : }
2243 :
2244 : void StackFrameInfo::StackFrameInfoPrint(std::ostream& os) { // NOLINT
2245 : PrintHeader(os, "StackFrame");
2246 : os << "\n - line_number: " << line_number();
2247 : os << "\n - column_number: " << column_number();
2248 : os << "\n - script_id: " << script_id();
2249 : os << "\n - script_name: " << Brief(script_name());
2250 : os << "\n - script_name_or_source_url: "
2251 : << Brief(script_name_or_source_url());
2252 : os << "\n - function_name: " << Brief(function_name());
2253 : os << "\n - is_eval: " << (is_eval() ? "true" : "false");
2254 : os << "\n - is_constructor: " << (is_constructor() ? "true" : "false");
2255 : os << "\n";
2256 : }
2257 :
2258 : static void PrintBitMask(std::ostream& os, uint32_t value) { // NOLINT
2259 : for (int i = 0; i < 32; i++) {
2260 : if ((i & 7) == 0) os << " ";
2261 : os << (((value & 1) == 0) ? "_" : "x");
2262 : value >>= 1;
2263 : }
2264 : }
2265 :
2266 : void LayoutDescriptor::Print() {
2267 : StdoutStream os;
2268 : this->Print(os);
2269 : os << std::flush;
2270 : }
2271 :
2272 : void LayoutDescriptor::ShortPrint(std::ostream& os) {
2273 : if (IsSmi()) {
2274 : // Print tagged value for easy use with "jld" gdb macro.
2275 : os << reinterpret_cast<void*>(ptr());
2276 : } else {
2277 : os << Brief(*this);
2278 : }
2279 : }
2280 :
2281 : void LayoutDescriptor::Print(std::ostream& os) { // NOLINT
2282 : os << "Layout descriptor: ";
2283 : if (IsFastPointerLayout()) {
2284 : os << "<all tagged>";
2285 : } else if (IsSmi()) {
2286 : os << "fast";
2287 : PrintBitMask(os, static_cast<uint32_t>(Smi::ToInt(*this)));
2288 : } else if (IsOddball() && IsUninitialized()) {
2289 : os << "<uninitialized>";
2290 : } else {
2291 : os << "slow";
2292 : int num_words = number_of_layout_words();
2293 : for (int i = 0; i < num_words; i++) {
2294 : if (i > 0) os << " |";
2295 : PrintBitMask(os, get_layout_word(i));
2296 : }
2297 : }
2298 : os << "\n";
2299 : }
2300 :
2301 : void PreparseData::PreparseDataPrint(std::ostream& os) { // NOLINT
2302 : PrintHeader(os, "PreparseData");
2303 : os << "\n - data_length: " << data_length();
2304 : os << "\n - children_length: " << children_length();
2305 : if (data_length() > 0) {
2306 : os << "\n - data-start: " << (address() + kDataStartOffset);
2307 : }
2308 : if (children_length() > 0) {
2309 : os << "\n - children-start: " << inner_start_offset();
2310 : }
2311 : for (int i = 0; i < children_length(); ++i) {
2312 : os << "\n - [" << i << "]: " << Brief(get_child(i));
2313 : }
2314 : os << "\n";
2315 : }
2316 :
2317 : void UncompiledDataWithoutPreparseData::UncompiledDataWithoutPreparseDataPrint(
2318 : std::ostream& os) { // NOLINT
2319 : PrintHeader(os, "UncompiledDataWithoutPreparseData");
2320 : os << "\n - start position: " << start_position();
2321 : os << "\n - end position: " << end_position();
2322 : os << "\n";
2323 : }
2324 :
2325 : void UncompiledDataWithPreparseData::UncompiledDataWithPreparseDataPrint(
2326 : std::ostream& os) { // NOLINT
2327 : PrintHeader(os, "UncompiledDataWithPreparseData");
2328 : os << "\n - start position: " << start_position();
2329 : os << "\n - end position: " << end_position();
2330 : os << "\n - preparse_data: " << Brief(preparse_data());
2331 : os << "\n";
2332 : }
2333 :
2334 : void InterpreterData::InterpreterDataPrint(std::ostream& os) { // NOLINT
2335 : PrintHeader(os, "InterpreterData");
2336 : os << "\n - bytecode_array: " << Brief(bytecode_array());
2337 : os << "\n - interpreter_trampoline: " << Brief(interpreter_trampoline());
2338 : os << "\n";
2339 : }
2340 :
2341 : void MaybeObject::Print() {
2342 : StdoutStream os;
2343 : this->Print(os);
2344 : os << std::flush;
2345 : }
2346 :
2347 : void MaybeObject::Print(std::ostream& os) {
2348 : Smi smi;
2349 : HeapObject heap_object;
2350 : if (ToSmi(&smi)) {
2351 : smi->SmiPrint(os);
2352 : } else if (IsCleared()) {
2353 : os << "[cleared]";
2354 : } else if (GetHeapObjectIfWeak(&heap_object)) {
2355 : os << "[weak] ";
2356 : heap_object->HeapObjectPrint(os);
2357 : } else if (GetHeapObjectIfStrong(&heap_object)) {
2358 : heap_object->HeapObjectPrint(os);
2359 : } else {
2360 : UNREACHABLE();
2361 : }
2362 : }
2363 :
2364 : #endif // OBJECT_PRINT
2365 :
2366 208 : void HeapNumber::HeapNumberPrint(std::ostream& os) { os << value(); }
2367 :
2368 0 : void MutableHeapNumber::MutableHeapNumberPrint(std::ostream& os) {
2369 : os << value();
2370 0 : }
2371 :
2372 : // TODO(cbruni): remove once the new maptracer is in place.
2373 0 : void Name::NameShortPrint() {
2374 0 : if (this->IsString()) {
2375 0 : PrintF("%s", String::cast(*this)->ToCString().get());
2376 : } else {
2377 : DCHECK(this->IsSymbol());
2378 0 : Symbol s = Symbol::cast(*this);
2379 0 : if (s->name()->IsUndefined()) {
2380 0 : PrintF("#<%s>", s->PrivateSymbolToName());
2381 : } else {
2382 0 : PrintF("<%s>", String::cast(s->name())->ToCString().get());
2383 : }
2384 : }
2385 0 : }
2386 :
2387 : // TODO(cbruni): remove once the new maptracer is in place.
2388 0 : int Name::NameShortPrint(Vector<char> str) {
2389 0 : if (this->IsString()) {
2390 0 : return SNPrintF(str, "%s", String::cast(*this)->ToCString().get());
2391 : } else {
2392 : DCHECK(this->IsSymbol());
2393 0 : Symbol s = Symbol::cast(*this);
2394 0 : if (s->name()->IsUndefined()) {
2395 0 : return SNPrintF(str, "#<%s>", s->PrivateSymbolToName());
2396 : } else {
2397 0 : return SNPrintF(str, "<%s>", String::cast(s->name())->ToCString().get());
2398 : }
2399 : }
2400 : }
2401 :
2402 15772 : void Map::PrintMapDetails(std::ostream& os) {
2403 : DisallowHeapAllocation no_gc;
2404 15772 : this->MapPrint(os);
2405 15772 : instance_descriptors()->PrintDescriptors(os);
2406 15772 : }
2407 :
2408 15772 : void Map::MapPrint(std::ostream& os) { // NOLINT
2409 : #ifdef OBJECT_PRINT
2410 : PrintHeader(os, "Map");
2411 : #else
2412 15772 : os << "Map=" << reinterpret_cast<void*>(ptr());
2413 : #endif
2414 31544 : os << "\n - type: " << instance_type();
2415 15772 : os << "\n - instance size: ";
2416 15772 : if (instance_size() == kVariableSizeSentinel) {
2417 1054 : os << "variable";
2418 : } else {
2419 14718 : os << instance_size();
2420 : }
2421 15772 : if (IsJSObjectMap()) {
2422 26226 : os << "\n - inobject properties: " << GetInObjectProperties();
2423 : }
2424 31544 : os << "\n - elements kind: " << ElementsKindToString(elements_kind());
2425 31544 : os << "\n - unused property fields: " << UnusedPropertyFields();
2426 15772 : os << "\n - enum length: ";
2427 15772 : if (EnumLength() == kInvalidEnumCacheSentinel) {
2428 15772 : os << "invalid";
2429 : } else {
2430 0 : os << EnumLength();
2431 : }
2432 15772 : if (is_deprecated()) os << "\n - deprecated_map";
2433 15772 : if (is_stable()) os << "\n - stable_map";
2434 15772 : if (is_migration_target()) os << "\n - migration_target";
2435 15772 : if (is_dictionary_map()) os << "\n - dictionary_map";
2436 15772 : if (has_hidden_prototype()) os << "\n - has_hidden_prototype";
2437 15772 : if (has_named_interceptor()) os << "\n - named_interceptor";
2438 15772 : if (has_indexed_interceptor()) os << "\n - indexed_interceptor";
2439 15772 : if (may_have_interesting_symbols()) os << "\n - may_have_interesting_symbols";
2440 15772 : if (is_undetectable()) os << "\n - undetectable";
2441 15772 : if (is_callable()) os << "\n - callable";
2442 15772 : if (is_constructor()) os << "\n - constructor";
2443 15772 : if (has_prototype_slot()) {
2444 2191 : os << "\n - has_prototype_slot";
2445 2191 : if (has_non_instance_prototype()) os << " (non-instance prototype)";
2446 : }
2447 15772 : if (is_access_check_needed()) os << "\n - access_check_needed";
2448 15772 : if (!is_extensible()) os << "\n - non-extensible";
2449 15772 : if (is_prototype_map()) {
2450 4281 : os << "\n - prototype_map";
2451 8562 : os << "\n - prototype info: " << Brief(prototype_info());
2452 : } else {
2453 22982 : os << "\n - back pointer: " << Brief(GetBackPointer());
2454 : }
2455 31544 : os << "\n - prototype_validity cell: " << Brief(prototype_validity_cell());
2456 31544 : os << "\n - instance descriptors " << (owns_descriptors() ? "(own) " : "")
2457 15772 : << "#" << NumberOfOwnDescriptors() << ": "
2458 31544 : << Brief(instance_descriptors());
2459 : if (FLAG_unbox_double_fields) {
2460 15772 : os << "\n - layout descriptor: ";
2461 15772 : layout_descriptor()->ShortPrint(os);
2462 : }
2463 :
2464 : Isolate* isolate;
2465 : // Read-only maps can't have transitions, which is fortunate because we need
2466 : // the isolate to iterate over the transitions.
2467 15772 : if (GetIsolateFromWritableObject(*this, &isolate)) {
2468 : DisallowHeapAllocation no_gc;
2469 : TransitionsAccessor transitions(isolate, *this, &no_gc);
2470 13188 : int nof_transitions = transitions.NumberOfTransitions();
2471 13188 : if (nof_transitions > 0) {
2472 125 : os << "\n - transitions #" << nof_transitions << ": ";
2473 125 : HeapObject heap_object;
2474 125 : Smi smi;
2475 125 : if (raw_transitions()->ToSmi(&smi)) {
2476 0 : os << Brief(smi);
2477 125 : } else if (raw_transitions()->GetHeapObject(&heap_object)) {
2478 125 : os << Brief(heap_object);
2479 : }
2480 : #ifdef OBJECT_PRINT
2481 : transitions.PrintTransitions(os);
2482 : #endif // OBJECT_PRINT
2483 : }
2484 : }
2485 31544 : os << "\n - prototype: " << Brief(prototype());
2486 31544 : os << "\n - constructor: " << Brief(GetConstructor());
2487 31544 : os << "\n - dependent code: " << Brief(dependent_code());
2488 15772 : os << "\n - construction counter: " << construction_counter();
2489 15772 : os << "\n";
2490 15772 : }
2491 :
2492 15772 : void DescriptorArray::PrintDescriptors(std::ostream& os) {
2493 101682 : for (int i = 0; i < number_of_descriptors(); i++) {
2494 42955 : Name key = GetKey(i);
2495 42955 : os << "\n [" << i << "]: ";
2496 : #ifdef OBJECT_PRINT
2497 : key->NamePrint(os);
2498 : #else
2499 42955 : key->ShortPrint(os);
2500 : #endif
2501 42955 : os << " ";
2502 42955 : PrintDescriptorDetails(os, i, PropertyDetails::kPrintFull);
2503 : }
2504 15772 : os << "\n";
2505 15772 : }
2506 :
2507 42955 : void DescriptorArray::PrintDescriptorDetails(std::ostream& os, int descriptor,
2508 : PropertyDetails::PrintMode mode) {
2509 42955 : PropertyDetails details = GetDetails(descriptor);
2510 42955 : details.PrintAsFastTo(os, mode);
2511 42955 : os << " @ ";
2512 42955 : switch (details.location()) {
2513 : case kField: {
2514 32105 : FieldType field_type = GetFieldType(descriptor);
2515 32105 : field_type->PrintTo(os);
2516 : break;
2517 : }
2518 : case kDescriptor:
2519 : Object value = GetStrongValue(descriptor);
2520 10850 : os << Brief(value);
2521 10850 : if (value->IsAccessorPair()) {
2522 : AccessorPair pair = AccessorPair::cast(value);
2523 9852 : os << "(get: " << Brief(pair->getter())
2524 9852 : << ", set: " << Brief(pair->setter()) << ")";
2525 : }
2526 : break;
2527 : }
2528 42955 : }
2529 :
2530 : #if defined(DEBUG) || defined(OBJECT_PRINT)
2531 : // This method is only meant to be called from gdb for debugging purposes.
2532 : // Since the string can also be in two-byte encoding, non-Latin1 characters
2533 : // will be ignored in the output.
2534 : char* String::ToAsciiArray() {
2535 : // Static so that subsequent calls frees previously allocated space.
2536 : // This also means that previous results will be overwritten.
2537 : static char* buffer = nullptr;
2538 : if (buffer != nullptr) delete[] buffer;
2539 : buffer = new char[length() + 1];
2540 : WriteToFlat(*this, reinterpret_cast<uint8_t*>(buffer), 0, length());
2541 : buffer[length()] = 0;
2542 : return buffer;
2543 : }
2544 :
2545 : // static
2546 : void TransitionsAccessor::PrintOneTransition(std::ostream& os, Name key,
2547 : Map target) {
2548 : os << "\n ";
2549 : #ifdef OBJECT_PRINT
2550 : key->NamePrint(os);
2551 : #else
2552 : key->ShortPrint(os);
2553 : #endif
2554 : os << ": ";
2555 : ReadOnlyRoots roots = key->GetReadOnlyRoots();
2556 : if (key == roots.nonextensible_symbol()) {
2557 : os << "(transition to non-extensible)";
2558 : } else if (key == roots.sealed_symbol()) {
2559 : os << "(transition to sealed)";
2560 : } else if (key == roots.frozen_symbol()) {
2561 : os << "(transition to frozen)";
2562 : } else if (key == roots.elements_transition_symbol()) {
2563 : os << "(transition to " << ElementsKindToString(target->elements_kind())
2564 : << ")";
2565 : } else if (key == roots.strict_function_transition_symbol()) {
2566 : os << " (transition to strict function)";
2567 : } else {
2568 : DCHECK(!IsSpecialTransition(roots, key));
2569 : os << "(transition to ";
2570 : int descriptor = target->LastAdded();
2571 : DescriptorArray descriptors = target->instance_descriptors();
2572 : descriptors->PrintDescriptorDetails(os, descriptor,
2573 : PropertyDetails::kForTransitions);
2574 : os << ")";
2575 : }
2576 : os << " -> " << Brief(target);
2577 : }
2578 :
2579 : void TransitionArray::PrintInternal(std::ostream& os) {
2580 : int num_transitions = number_of_transitions();
2581 : os << "Transition array #" << num_transitions << ":";
2582 : for (int i = 0; i < num_transitions; i++) {
2583 : Name key = GetKey(i);
2584 : Map target = GetTarget(i);
2585 : TransitionsAccessor::PrintOneTransition(os, key, target);
2586 : }
2587 : os << "\n" << std::flush;
2588 : }
2589 :
2590 : void TransitionsAccessor::PrintTransitions(std::ostream& os) { // NOLINT
2591 : switch (encoding()) {
2592 : case kPrototypeInfo:
2593 : case kUninitialized:
2594 : case kMigrationTarget:
2595 : return;
2596 : case kWeakRef: {
2597 : Map target = Map::cast(raw_transitions_->GetHeapObjectAssumeWeak());
2598 : Name key = GetSimpleTransitionKey(target);
2599 : PrintOneTransition(os, key, target);
2600 : break;
2601 : }
2602 : case kFullTransitionArray:
2603 : return transitions()->PrintInternal(os);
2604 : }
2605 : }
2606 :
2607 : void TransitionsAccessor::PrintTransitionTree() {
2608 : StdoutStream os;
2609 : os << "map= " << Brief(map_);
2610 : DisallowHeapAllocation no_gc;
2611 : PrintTransitionTree(os, 0, &no_gc);
2612 : os << "\n" << std::flush;
2613 : }
2614 :
2615 : void TransitionsAccessor::PrintTransitionTree(std::ostream& os, int level,
2616 : DisallowHeapAllocation* no_gc) {
2617 : ReadOnlyRoots roots = ReadOnlyRoots(isolate_);
2618 : int num_transitions = NumberOfTransitions();
2619 : if (num_transitions == 0) return;
2620 : for (int i = 0; i < num_transitions; i++) {
2621 : Name key = GetKey(i);
2622 : Map target = GetTarget(i);
2623 : os << std::endl
2624 : << " " << level << "/" << i << ":" << std::setw(level * 2 + 2) << " ";
2625 : std::stringstream ss;
2626 : ss << Brief(target);
2627 : os << std::left << std::setw(50) << ss.str() << ": ";
2628 :
2629 : if (key == roots.nonextensible_symbol()) {
2630 : os << "to non-extensible";
2631 : } else if (key == roots.sealed_symbol()) {
2632 : os << "to sealed ";
2633 : } else if (key == roots.frozen_symbol()) {
2634 : os << "to frozen";
2635 : } else if (key == roots.elements_transition_symbol()) {
2636 : os << "to " << ElementsKindToString(target->elements_kind());
2637 : } else if (key == roots.strict_function_transition_symbol()) {
2638 : os << "to strict function";
2639 : } else {
2640 : #ifdef OBJECT_PRINT
2641 : key->NamePrint(os);
2642 : #else
2643 : key->ShortPrint(os);
2644 : #endif
2645 : os << " ";
2646 : DCHECK(!IsSpecialTransition(ReadOnlyRoots(isolate_), key));
2647 : os << "to ";
2648 : int descriptor = target->LastAdded();
2649 : DescriptorArray descriptors = target->instance_descriptors();
2650 : descriptors->PrintDescriptorDetails(os, descriptor,
2651 : PropertyDetails::kForTransitions);
2652 : }
2653 : TransitionsAccessor transitions(isolate_, target, no_gc);
2654 : transitions.PrintTransitionTree(os, level + 1, no_gc);
2655 : }
2656 : }
2657 :
2658 : void JSObject::PrintTransitions(std::ostream& os) { // NOLINT
2659 : DisallowHeapAllocation no_gc;
2660 : TransitionsAccessor ta(GetIsolate(), map(), &no_gc);
2661 : if (ta.NumberOfTransitions() == 0) return;
2662 : os << "\n - transitions";
2663 : ta.PrintTransitions(os);
2664 : }
2665 :
2666 : #endif // defined(DEBUG) || defined(OBJECT_PRINT)
2667 : } // namespace internal
2668 : } // namespace v8
2669 :
2670 : namespace {
2671 :
2672 : inline i::Object GetObjectFromRaw(void* object) {
2673 0 : i::Address object_ptr = reinterpret_cast<i::Address>(object);
2674 : #ifdef V8_COMPRESS_POINTERS
2675 : if (RoundDown<i::kPtrComprIsolateRootAlignment>(object_ptr) ==
2676 : i::kNullAddress) {
2677 : // Try to decompress pointer.
2678 : i::Isolate* isolate = i::Isolate::Current();
2679 : object_ptr = i::DecompressTaggedAny(isolate->isolate_root(),
2680 : static_cast<i::Tagged_t>(object_ptr));
2681 : }
2682 : #endif
2683 : return i::Object(object_ptr);
2684 : }
2685 :
2686 : } // namespace
2687 :
2688 : //
2689 : // The following functions are used by our gdb macros.
2690 : //
2691 0 : V8_EXPORT_PRIVATE extern i::Object _v8_internal_Get_Object(void* object) {
2692 0 : return GetObjectFromRaw(object);
2693 : }
2694 :
2695 0 : V8_EXPORT_PRIVATE extern void _v8_internal_Print_Object(void* object) {
2696 0 : GetObjectFromRaw(object)->Print();
2697 0 : }
2698 :
2699 0 : V8_EXPORT_PRIVATE extern void _v8_internal_Print_Code(void* object) {
2700 0 : i::Address address = reinterpret_cast<i::Address>(object);
2701 : i::Isolate* isolate = i::Isolate::Current();
2702 :
2703 : i::wasm::WasmCode* wasm_code =
2704 0 : isolate->wasm_engine()->code_manager()->LookupCode(address);
2705 0 : if (wasm_code) {
2706 0 : i::StdoutStream os;
2707 0 : wasm_code->Disassemble(nullptr, os, address);
2708 : return;
2709 : }
2710 :
2711 0 : if (!isolate->heap()->InSpaceSlow(address, i::CODE_SPACE) &&
2712 0 : !isolate->heap()->InSpaceSlow(address, i::LO_SPACE) &&
2713 0 : !i::InstructionStream::PcIsOffHeap(isolate, address)) {
2714 : i::PrintF(
2715 : "%p is not within the current isolate's large object, code or embedded "
2716 : "spaces\n",
2717 0 : object);
2718 0 : return;
2719 : }
2720 :
2721 0 : i::Code code = isolate->FindCodeObject(address);
2722 0 : if (!code->IsCode()) {
2723 0 : i::PrintF("No code object found containing %p\n", object);
2724 0 : return;
2725 : }
2726 : #ifdef ENABLE_DISASSEMBLER
2727 : i::StdoutStream os;
2728 : code->Disassemble(nullptr, os, address);
2729 : #else // ENABLE_DISASSEMBLER
2730 : code->Print();
2731 : #endif // ENABLE_DISASSEMBLER
2732 : }
2733 :
2734 0 : V8_EXPORT_PRIVATE extern void _v8_internal_Print_LayoutDescriptor(
2735 : void* object) {
2736 : i::Object o(GetObjectFromRaw(object));
2737 0 : if (!o->IsLayoutDescriptor()) {
2738 : printf("Please provide a layout descriptor\n");
2739 : } else {
2740 0 : i::LayoutDescriptor::cast(o)->Print();
2741 : }
2742 0 : }
2743 :
2744 0 : V8_EXPORT_PRIVATE extern void _v8_internal_Print_StackTrace() {
2745 : i::Isolate* isolate = i::Isolate::Current();
2746 0 : isolate->PrintStack(stdout);
2747 0 : }
2748 :
2749 0 : V8_EXPORT_PRIVATE extern void _v8_internal_Print_TransitionTree(void* object) {
2750 : i::Object o(GetObjectFromRaw(object));
2751 0 : if (!o->IsMap()) {
2752 : printf("Please provide a valid Map\n");
2753 : } else {
2754 : #if defined(DEBUG) || defined(OBJECT_PRINT)
2755 : i::DisallowHeapAllocation no_gc;
2756 : i::Map map = i::Map::unchecked_cast(o);
2757 : i::TransitionsAccessor transitions(i::Isolate::Current(), map, &no_gc);
2758 : transitions.PrintTransitionTree();
2759 : #endif
2760 : }
2761 122004 : }
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