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/v8.h"
6
7#include "src/disasm.h"
8#include "src/disassembler.h"
9#include "src/heap/objects-visiting.h"
10#include "src/jsregexp.h"
11#include "src/ostreams.h"
12
13namespace v8 {
14namespace internal {
15
16#ifdef OBJECT_PRINT
17
18void Object::Print() {
19  OFStream os(stdout);
20  this->Print(os);
21  os << flush;
22}
23
24
25void Object::Print(OStream& os) {  // NOLINT
26  if (IsSmi()) {
27    Smi::cast(this)->SmiPrint(os);
28  } else {
29    HeapObject::cast(this)->HeapObjectPrint(os);
30  }
31}
32
33
34void HeapObject::PrintHeader(OStream& os, const char* id) {  // NOLINT
35  os << "" << reinterpret_cast<void*>(this) << ": [" << id << "]\n";
36}
37
38
39void HeapObject::HeapObjectPrint(OStream& os) {  // NOLINT
40  InstanceType instance_type = map()->instance_type();
41
42  HandleScope scope(GetIsolate());
43  if (instance_type < FIRST_NONSTRING_TYPE) {
44    String::cast(this)->StringPrint(os);
45    return;
46  }
47
48  switch (instance_type) {
49    case SYMBOL_TYPE:
50      Symbol::cast(this)->SymbolPrint(os);
51      break;
52    case MAP_TYPE:
53      Map::cast(this)->MapPrint(os);
54      break;
55    case HEAP_NUMBER_TYPE:
56      HeapNumber::cast(this)->HeapNumberPrint(os);
57      break;
58    case MUTABLE_HEAP_NUMBER_TYPE:
59      os << "<mutable ";
60      HeapNumber::cast(this)->HeapNumberPrint(os);
61      os << ">";
62      break;
63    case FIXED_DOUBLE_ARRAY_TYPE:
64      FixedDoubleArray::cast(this)->FixedDoubleArrayPrint(os);
65      break;
66    case CONSTANT_POOL_ARRAY_TYPE:
67      ConstantPoolArray::cast(this)->ConstantPoolArrayPrint(os);
68      break;
69    case FIXED_ARRAY_TYPE:
70      FixedArray::cast(this)->FixedArrayPrint(os);
71      break;
72    case BYTE_ARRAY_TYPE:
73      ByteArray::cast(this)->ByteArrayPrint(os);
74      break;
75    case FREE_SPACE_TYPE:
76      FreeSpace::cast(this)->FreeSpacePrint(os);
77      break;
78
79#define PRINT_EXTERNAL_ARRAY(Type, type, TYPE, ctype, size)            \
80  case EXTERNAL_##TYPE##_ARRAY_TYPE:                                   \
81    External##Type##Array::cast(this)->External##Type##ArrayPrint(os); \
82    break;
83
84     TYPED_ARRAYS(PRINT_EXTERNAL_ARRAY)
85#undef PRINT_EXTERNAL_ARRAY
86
87#define PRINT_FIXED_TYPED_ARRAY(Type, type, TYPE, ctype, size) \
88  case Fixed##Type##Array::kInstanceType:                      \
89    Fixed##Type##Array::cast(this)->FixedTypedArrayPrint(os);  \
90    break;
91
92    TYPED_ARRAYS(PRINT_FIXED_TYPED_ARRAY)
93#undef PRINT_FIXED_TYPED_ARRAY
94
95    case FILLER_TYPE:
96      os << "filler";
97      break;
98    case JS_OBJECT_TYPE:  // fall through
99    case JS_CONTEXT_EXTENSION_OBJECT_TYPE:
100    case JS_ARRAY_TYPE:
101    case JS_GENERATOR_OBJECT_TYPE:
102    case JS_REGEXP_TYPE:
103      JSObject::cast(this)->JSObjectPrint(os);
104      break;
105    case ODDBALL_TYPE:
106      Oddball::cast(this)->to_string()->Print(os);
107      break;
108    case JS_MODULE_TYPE:
109      JSModule::cast(this)->JSModulePrint(os);
110      break;
111    case JS_FUNCTION_TYPE:
112      JSFunction::cast(this)->JSFunctionPrint(os);
113      break;
114    case JS_GLOBAL_PROXY_TYPE:
115      JSGlobalProxy::cast(this)->JSGlobalProxyPrint(os);
116      break;
117    case JS_GLOBAL_OBJECT_TYPE:
118      JSGlobalObject::cast(this)->JSGlobalObjectPrint(os);
119      break;
120    case JS_BUILTINS_OBJECT_TYPE:
121      JSBuiltinsObject::cast(this)->JSBuiltinsObjectPrint(os);
122      break;
123    case JS_VALUE_TYPE:
124      os << "Value wrapper around:";
125      JSValue::cast(this)->value()->Print(os);
126      break;
127    case JS_DATE_TYPE:
128      JSDate::cast(this)->JSDatePrint(os);
129      break;
130    case CODE_TYPE:
131      Code::cast(this)->CodePrint(os);
132      break;
133    case JS_PROXY_TYPE:
134      JSProxy::cast(this)->JSProxyPrint(os);
135      break;
136    case JS_FUNCTION_PROXY_TYPE:
137      JSFunctionProxy::cast(this)->JSFunctionProxyPrint(os);
138      break;
139    case JS_SET_TYPE:
140      JSSet::cast(this)->JSSetPrint(os);
141      break;
142    case JS_MAP_TYPE:
143      JSMap::cast(this)->JSMapPrint(os);
144      break;
145    case JS_SET_ITERATOR_TYPE:
146      JSSetIterator::cast(this)->JSSetIteratorPrint(os);
147      break;
148    case JS_MAP_ITERATOR_TYPE:
149      JSMapIterator::cast(this)->JSMapIteratorPrint(os);
150      break;
151    case JS_WEAK_MAP_TYPE:
152      JSWeakMap::cast(this)->JSWeakMapPrint(os);
153      break;
154    case JS_WEAK_SET_TYPE:
155      JSWeakSet::cast(this)->JSWeakSetPrint(os);
156      break;
157    case FOREIGN_TYPE:
158      Foreign::cast(this)->ForeignPrint(os);
159      break;
160    case SHARED_FUNCTION_INFO_TYPE:
161      SharedFunctionInfo::cast(this)->SharedFunctionInfoPrint(os);
162      break;
163    case JS_MESSAGE_OBJECT_TYPE:
164      JSMessageObject::cast(this)->JSMessageObjectPrint(os);
165      break;
166    case CELL_TYPE:
167      Cell::cast(this)->CellPrint(os);
168      break;
169    case PROPERTY_CELL_TYPE:
170      PropertyCell::cast(this)->PropertyCellPrint(os);
171      break;
172    case JS_ARRAY_BUFFER_TYPE:
173      JSArrayBuffer::cast(this)->JSArrayBufferPrint(os);
174      break;
175    case JS_TYPED_ARRAY_TYPE:
176      JSTypedArray::cast(this)->JSTypedArrayPrint(os);
177      break;
178    case JS_DATA_VIEW_TYPE:
179      JSDataView::cast(this)->JSDataViewPrint(os);
180      break;
181#define MAKE_STRUCT_CASE(NAME, Name, name) \
182  case NAME##_TYPE:                        \
183    Name::cast(this)->Name##Print(os);     \
184    break;
185  STRUCT_LIST(MAKE_STRUCT_CASE)
186#undef MAKE_STRUCT_CASE
187
188    default:
189      os << "UNKNOWN TYPE " << map()->instance_type();
190      UNREACHABLE();
191      break;
192  }
193}
194
195
196void ByteArray::ByteArrayPrint(OStream& os) {  // NOLINT
197  os << "byte array, data starts at " << GetDataStartAddress();
198}
199
200
201void FreeSpace::FreeSpacePrint(OStream& os) {  // NOLINT
202  os << "free space, size " << Size();
203}
204
205
206#define EXTERNAL_ARRAY_PRINTER(Type, type, TYPE, ctype, size)           \
207  void External##Type##Array::External##Type##ArrayPrint(OStream& os) { \
208    os << "external " #type " array";                                   \
209  }
210
211TYPED_ARRAYS(EXTERNAL_ARRAY_PRINTER)
212
213#undef EXTERNAL_ARRAY_PRINTER
214
215
216template <class Traits>
217void FixedTypedArray<Traits>::FixedTypedArrayPrint(OStream& os) {  // NOLINT
218  os << "fixed " << Traits::Designator();
219}
220
221
222void JSObject::PrintProperties(OStream& os) {  // NOLINT
223  if (HasFastProperties()) {
224    DescriptorArray* descs = map()->instance_descriptors();
225    for (int i = 0; i < map()->NumberOfOwnDescriptors(); i++) {
226      os << "   ";
227      descs->GetKey(i)->NamePrint(os);
228      os << ": ";
229      switch (descs->GetType(i)) {
230        case FIELD: {
231          FieldIndex index = FieldIndex::ForDescriptor(map(), i);
232          os << Brief(RawFastPropertyAt(index)) << " (field at offset "
233             << index.property_index() << ")\n";
234          break;
235        }
236        case CONSTANT:
237          os << Brief(descs->GetConstant(i)) << " (constant)\n";
238          break;
239        case CALLBACKS:
240          os << Brief(descs->GetCallbacksObject(i)) << " (callback)\n";
241          break;
242        case NORMAL:  // only in slow mode
243          UNREACHABLE();
244          break;
245      }
246    }
247  } else {
248    property_dictionary()->Print(os);
249  }
250}
251
252
253template <class T>
254static void DoPrintElements(OStream& os, Object* object) {  // NOLINT
255  T* p = T::cast(object);
256  for (int i = 0; i < p->length(); i++) {
257    os << "   " << i << ": " << p->get_scalar(i) << "\n";
258  }
259}
260
261
262void JSObject::PrintElements(OStream& os) {  // NOLINT
263  // Don't call GetElementsKind, its validation code can cause the printer to
264  // fail when debugging.
265  switch (map()->elements_kind()) {
266    case FAST_HOLEY_SMI_ELEMENTS:
267    case FAST_SMI_ELEMENTS:
268    case FAST_HOLEY_ELEMENTS:
269    case FAST_ELEMENTS: {
270      // Print in array notation for non-sparse arrays.
271      FixedArray* p = FixedArray::cast(elements());
272      for (int i = 0; i < p->length(); i++) {
273        os << "   " << i << ": " << Brief(p->get(i)) << "\n";
274      }
275      break;
276    }
277    case FAST_HOLEY_DOUBLE_ELEMENTS:
278    case FAST_DOUBLE_ELEMENTS: {
279      // Print in array notation for non-sparse arrays.
280      if (elements()->length() > 0) {
281        FixedDoubleArray* p = FixedDoubleArray::cast(elements());
282        for (int i = 0; i < p->length(); i++) {
283          os << "   " << i << ": ";
284          if (p->is_the_hole(i)) {
285            os << "<the hole>";
286          } else {
287            os << p->get_scalar(i);
288          }
289          os << "\n";
290        }
291      }
292      break;
293    }
294
295
296#define PRINT_ELEMENTS(Kind, Type)         \
297  case Kind: {                             \
298    DoPrintElements<Type>(os, elements()); \
299    break;                                 \
300  }
301
302    PRINT_ELEMENTS(EXTERNAL_UINT8_CLAMPED_ELEMENTS, ExternalUint8ClampedArray)
303    PRINT_ELEMENTS(EXTERNAL_INT8_ELEMENTS, ExternalInt8Array)
304    PRINT_ELEMENTS(EXTERNAL_UINT8_ELEMENTS,
305        ExternalUint8Array)
306    PRINT_ELEMENTS(EXTERNAL_INT16_ELEMENTS, ExternalInt16Array)
307    PRINT_ELEMENTS(EXTERNAL_UINT16_ELEMENTS,
308        ExternalUint16Array)
309    PRINT_ELEMENTS(EXTERNAL_INT32_ELEMENTS, ExternalInt32Array)
310    PRINT_ELEMENTS(EXTERNAL_UINT32_ELEMENTS,
311        ExternalUint32Array)
312    PRINT_ELEMENTS(EXTERNAL_FLOAT32_ELEMENTS, ExternalFloat32Array)
313    PRINT_ELEMENTS(EXTERNAL_FLOAT64_ELEMENTS, ExternalFloat64Array)
314
315    PRINT_ELEMENTS(UINT8_ELEMENTS, FixedUint8Array)
316    PRINT_ELEMENTS(UINT8_CLAMPED_ELEMENTS, FixedUint8ClampedArray)
317    PRINT_ELEMENTS(INT8_ELEMENTS, FixedInt8Array)
318    PRINT_ELEMENTS(UINT16_ELEMENTS, FixedUint16Array)
319    PRINT_ELEMENTS(INT16_ELEMENTS, FixedInt16Array)
320    PRINT_ELEMENTS(UINT32_ELEMENTS, FixedUint32Array)
321    PRINT_ELEMENTS(INT32_ELEMENTS, FixedInt32Array)
322    PRINT_ELEMENTS(FLOAT32_ELEMENTS, FixedFloat32Array)
323    PRINT_ELEMENTS(FLOAT64_ELEMENTS, FixedFloat64Array)
324
325#undef PRINT_ELEMENTS
326
327    case DICTIONARY_ELEMENTS:
328      elements()->Print(os);
329      break;
330    case SLOPPY_ARGUMENTS_ELEMENTS: {
331      FixedArray* p = FixedArray::cast(elements());
332      os << "   parameter map:";
333      for (int i = 2; i < p->length(); i++) {
334        os << " " << (i - 2) << ":" << Brief(p->get(i));
335      }
336      os << "\n   context: " << Brief(p->get(0))
337         << "\n   arguments: " << Brief(p->get(1)) << "\n";
338      break;
339    }
340  }
341}
342
343
344void JSObject::PrintTransitions(OStream& os) {  // NOLINT
345  if (!map()->HasTransitionArray()) return;
346  TransitionArray* transitions = map()->transitions();
347  for (int i = 0; i < transitions->number_of_transitions(); i++) {
348    Name* key = transitions->GetKey(i);
349    os << "   ";
350    key->NamePrint(os);
351    os << ": ";
352    if (key == GetHeap()->frozen_symbol()) {
353      os << " (transition to frozen)\n";
354    } else if (key == GetHeap()->elements_transition_symbol()) {
355      os << " (transition to "
356         << ElementsKindToString(transitions->GetTarget(i)->elements_kind())
357         << ")\n";
358    } else if (key == GetHeap()->observed_symbol()) {
359      os << " (transition to Object.observe)\n";
360    } else {
361      switch (transitions->GetTargetDetails(i).type()) {
362        case FIELD: {
363          os << " (transition to field)\n";
364          break;
365        }
366        case CONSTANT:
367          os << " (transition to constant)\n";
368          break;
369        case CALLBACKS:
370          os << " (transition to callback)\n";
371          break;
372        // Values below are never in the target descriptor array.
373        case NORMAL:
374          UNREACHABLE();
375          break;
376      }
377    }
378  }
379}
380
381
382void JSObject::JSObjectPrint(OStream& os) {  // NOLINT
383  HeapObject::PrintHeader(os, "JSObject");
384  // Don't call GetElementsKind, its validation code can cause the printer to
385  // fail when debugging.
386  PrototypeIterator iter(GetIsolate(), this);
387  os << " - map = " << reinterpret_cast<void*>(map()) << " ["
388     << ElementsKindToString(this->map()->elements_kind())
389     << "]\n - prototype = " << reinterpret_cast<void*>(iter.GetCurrent())
390     << "\n {\n";
391  PrintProperties(os);
392  PrintTransitions(os);
393  PrintElements(os);
394  os << " }\n";
395}
396
397
398void JSModule::JSModulePrint(OStream& os) {  // NOLINT
399  HeapObject::PrintHeader(os, "JSModule");
400  os << " - map = " << reinterpret_cast<void*>(map()) << "\n"
401     << " - context = ";
402  context()->Print(os);
403  os << " - scope_info = " << Brief(scope_info())
404     << ElementsKindToString(this->map()->elements_kind()) << " {\n";
405  PrintProperties(os);
406  PrintElements(os);
407  os << " }\n";
408}
409
410
411static const char* TypeToString(InstanceType type) {
412  switch (type) {
413#define TYPE_TO_STRING(TYPE) case TYPE: return #TYPE;
414  INSTANCE_TYPE_LIST(TYPE_TO_STRING)
415#undef TYPE_TO_STRING
416  }
417  UNREACHABLE();
418  return "UNKNOWN";  // Keep the compiler happy.
419}
420
421
422void Symbol::SymbolPrint(OStream& os) {  // NOLINT
423  HeapObject::PrintHeader(os, "Symbol");
424  os << " - hash: " << Hash();
425  os << "\n - name: " << Brief(name());
426  os << "\n - private: " << is_private();
427  os << "\n - own: " << is_own();
428  os << "\n";
429}
430
431
432void Map::MapPrint(OStream& os) {  // NOLINT
433  HeapObject::PrintHeader(os, "Map");
434  os << " - type: " << TypeToString(instance_type()) << "\n";
435  os << " - instance size: " << instance_size() << "\n";
436  os << " - inobject properties: " << inobject_properties() << "\n";
437  os << " - elements kind: " << ElementsKindToString(elements_kind());
438  os << "\n - pre-allocated property fields: "
439     << pre_allocated_property_fields() << "\n";
440  os << " - unused property fields: " << unused_property_fields() << "\n";
441  if (is_hidden_prototype()) os << " - hidden_prototype\n";
442  if (has_named_interceptor()) os << " - named_interceptor\n";
443  if (has_indexed_interceptor()) os << " - indexed_interceptor\n";
444  if (is_undetectable()) os << " - undetectable\n";
445  if (has_instance_call_handler()) os << " - instance_call_handler\n";
446  if (is_access_check_needed()) os << " - access_check_needed\n";
447  if (is_frozen()) {
448    os << " - frozen\n";
449  } else if (!is_extensible()) {
450    os << " - sealed\n";
451  }
452  os << " - back pointer: " << Brief(GetBackPointer());
453  os << "\n - instance descriptors " << (owns_descriptors() ? "(own) " : "")
454     << "#" << NumberOfOwnDescriptors() << ": "
455     << Brief(instance_descriptors());
456  if (HasTransitionArray()) {
457    os << "\n - transitions: " << Brief(transitions());
458  }
459  os << "\n - prototype: " << Brief(prototype());
460  os << "\n - constructor: " << Brief(constructor());
461  os << "\n - code cache: " << Brief(code_cache());
462  os << "\n - dependent code: " << Brief(dependent_code());
463  os << "\n";
464}
465
466
467void CodeCache::CodeCachePrint(OStream& os) {  // NOLINT
468  HeapObject::PrintHeader(os, "CodeCache");
469  os << "\n - default_cache: " << Brief(default_cache());
470  os << "\n - normal_type_cache: " << Brief(normal_type_cache());
471}
472
473
474void PolymorphicCodeCache::PolymorphicCodeCachePrint(OStream& os) {  // NOLINT
475  HeapObject::PrintHeader(os, "PolymorphicCodeCache");
476  os << "\n - cache: " << Brief(cache());
477}
478
479
480void TypeFeedbackInfo::TypeFeedbackInfoPrint(OStream& os) {  // NOLINT
481  HeapObject::PrintHeader(os, "TypeFeedbackInfo");
482  os << " - ic_total_count: " << ic_total_count()
483     << ", ic_with_type_info_count: " << ic_with_type_info_count()
484     << ", ic_generic_count: " << ic_generic_count() << "\n";
485}
486
487
488void AliasedArgumentsEntry::AliasedArgumentsEntryPrint(OStream& os) {  // NOLINT
489  HeapObject::PrintHeader(os, "AliasedArgumentsEntry");
490  os << "\n - aliased_context_slot: " << aliased_context_slot();
491}
492
493
494void FixedArray::FixedArrayPrint(OStream& os) {  // NOLINT
495  HeapObject::PrintHeader(os, "FixedArray");
496  os << " - length: " << length();
497  for (int i = 0; i < length(); i++) {
498    os << "\n  [" << i << "]: " << Brief(get(i));
499  }
500  os << "\n";
501}
502
503
504void FixedDoubleArray::FixedDoubleArrayPrint(OStream& os) {  // NOLINT
505  HeapObject::PrintHeader(os, "FixedDoubleArray");
506  os << " - length: " << length();
507  for (int i = 0; i < length(); i++) {
508    os << "\n  [" << i << "]: ";
509    if (is_the_hole(i)) {
510      os << "<the hole>";
511    } else {
512      os << get_scalar(i);
513    }
514  }
515  os << "\n";
516}
517
518
519void ConstantPoolArray::ConstantPoolArrayPrint(OStream& os) {  // NOLINT
520  HeapObject::PrintHeader(os, "ConstantPoolArray");
521  os << " - length: " << length();
522  for (int i = 0; i <= last_index(INT32, SMALL_SECTION); i++) {
523    if (i < last_index(INT64, SMALL_SECTION)) {
524      os << "\n  [" << i << "]: double: " << get_int64_entry_as_double(i);
525    } else if (i <= last_index(CODE_PTR, SMALL_SECTION)) {
526      os << "\n  [" << i << "]: code target pointer: "
527         << reinterpret_cast<void*>(get_code_ptr_entry(i));
528    } else if (i <= last_index(HEAP_PTR, SMALL_SECTION)) {
529      os << "\n  [" << i << "]: heap pointer: "
530         << reinterpret_cast<void*>(get_heap_ptr_entry(i));
531    } else if (i <= last_index(INT32, SMALL_SECTION)) {
532      os << "\n  [" << i << "]: int32: " << get_int32_entry(i);
533    }
534  }
535  if (is_extended_layout()) {
536    os << "\n  Extended section:";
537    for (int i = first_extended_section_index();
538         i <= last_index(INT32, EXTENDED_SECTION); i++) {
539      if (i < last_index(INT64, EXTENDED_SECTION)) {
540        os << "\n  [" << i << "]: double: " << get_int64_entry_as_double(i);
541      } else if (i <= last_index(CODE_PTR, EXTENDED_SECTION)) {
542        os << "\n  [" << i << "]: code target pointer: "
543           << reinterpret_cast<void*>(get_code_ptr_entry(i));
544      } else if (i <= last_index(HEAP_PTR, EXTENDED_SECTION)) {
545        os << "\n  [" << i << "]: heap pointer: "
546           << reinterpret_cast<void*>(get_heap_ptr_entry(i));
547      } else if (i <= last_index(INT32, EXTENDED_SECTION)) {
548        os << "\n  [" << i << "]: int32: " << get_int32_entry(i);
549      }
550    }
551  }
552  os << "\n";
553}
554
555
556void JSValue::JSValuePrint(OStream& os) {  // NOLINT
557  HeapObject::PrintHeader(os, "ValueObject");
558  value()->Print(os);
559}
560
561
562void JSMessageObject::JSMessageObjectPrint(OStream& os) {  // NOLINT
563  HeapObject::PrintHeader(os, "JSMessageObject");
564  os << " - type: " << Brief(type());
565  os << "\n - arguments: " << Brief(arguments());
566  os << "\n - start_position: " << start_position();
567  os << "\n - end_position: " << end_position();
568  os << "\n - script: " << Brief(script());
569  os << "\n - stack_frames: " << Brief(stack_frames());
570  os << "\n";
571}
572
573
574void String::StringPrint(OStream& os) {  // NOLINT
575  if (StringShape(this).IsInternalized()) {
576    os << "#";
577  } else if (StringShape(this).IsCons()) {
578    os << "c\"";
579  } else {
580    os << "\"";
581  }
582
583  const char truncated_epilogue[] = "...<truncated>";
584  int len = length();
585  if (!FLAG_use_verbose_printer) {
586    if (len > 100) {
587      len = 100 - sizeof(truncated_epilogue);
588    }
589  }
590  for (int i = 0; i < len; i++) {
591    os << AsUC16(Get(i));
592  }
593  if (len != length()) {
594    os << truncated_epilogue;
595  }
596
597  if (!StringShape(this).IsInternalized()) os << "\"";
598}
599
600
601void Name::NamePrint(OStream& os) {  // NOLINT
602  if (IsString())
603    String::cast(this)->StringPrint(os);
604  else
605    os << Brief(this);
606}
607
608
609// This method is only meant to be called from gdb for debugging purposes.
610// Since the string can also be in two-byte encoding, non-Latin1 characters
611// will be ignored in the output.
612char* String::ToAsciiArray() {
613  // Static so that subsequent calls frees previously allocated space.
614  // This also means that previous results will be overwritten.
615  static char* buffer = NULL;
616  if (buffer != NULL) free(buffer);
617  buffer = new char[length()+1];
618  WriteToFlat(this, reinterpret_cast<uint8_t*>(buffer), 0, length());
619  buffer[length()] = 0;
620  return buffer;
621}
622
623
624static const char* const weekdays[] = {
625  "???", "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
626};
627
628
629void JSDate::JSDatePrint(OStream& os) {  // NOLINT
630  HeapObject::PrintHeader(os, "JSDate");
631  os << " - map = " << reinterpret_cast<void*>(map()) << "\n";
632  os << " - value = ";
633  value()->Print(os);
634  if (!year()->IsSmi()) {
635    os << " - time = NaN\n";
636  } else {
637    // TODO(svenpanne) Add some basic formatting to our streams.
638    Vector<char> buf = Vector<char>::New(100);
639    SNPrintF(
640        buf, " - time = %s %04d/%02d/%02d %02d:%02d:%02d\n",
641        weekdays[weekday()->IsSmi() ? Smi::cast(weekday())->value() + 1 : 0],
642        year()->IsSmi() ? Smi::cast(year())->value() : -1,
643        month()->IsSmi() ? Smi::cast(month())->value() : -1,
644        day()->IsSmi() ? Smi::cast(day())->value() : -1,
645        hour()->IsSmi() ? Smi::cast(hour())->value() : -1,
646        min()->IsSmi() ? Smi::cast(min())->value() : -1,
647        sec()->IsSmi() ? Smi::cast(sec())->value() : -1);
648    os << buf.start();
649  }
650}
651
652
653void JSProxy::JSProxyPrint(OStream& os) {  // NOLINT
654  HeapObject::PrintHeader(os, "JSProxy");
655  os << " - map = " << reinterpret_cast<void*>(map()) << "\n";
656  os << " - handler = ";
657  handler()->Print(os);
658  os << "\n - hash = ";
659  hash()->Print(os);
660  os << "\n";
661}
662
663
664void JSFunctionProxy::JSFunctionProxyPrint(OStream& os) {  // NOLINT
665  HeapObject::PrintHeader(os, "JSFunctionProxy");
666  os << " - map = " << reinterpret_cast<void*>(map()) << "\n";
667  os << " - handler = ";
668  handler()->Print(os);
669  os << "\n - call_trap = ";
670  call_trap()->Print(os);
671  os << "\n - construct_trap = ";
672  construct_trap()->Print(os);
673  os << "\n";
674}
675
676
677void JSSet::JSSetPrint(OStream& os) {  // NOLINT
678  HeapObject::PrintHeader(os, "JSSet");
679  os << " - map = " << reinterpret_cast<void*>(map()) << "\n";
680  os << " - table = " << Brief(table());
681  os << "\n";
682}
683
684
685void JSMap::JSMapPrint(OStream& os) {  // NOLINT
686  HeapObject::PrintHeader(os, "JSMap");
687  os << " - map = " << reinterpret_cast<void*>(map()) << "\n";
688  os << " - table = " << Brief(table());
689  os << "\n";
690}
691
692
693template <class Derived, class TableType>
694void OrderedHashTableIterator<
695    Derived, TableType>::OrderedHashTableIteratorPrint(OStream& os) {  // NOLINT
696  os << " - map = " << reinterpret_cast<void*>(map()) << "\n";
697  os << " - table = " << Brief(table());
698  os << "\n - index = " << Brief(index());
699  os << "\n - kind = " << Brief(kind());
700  os << "\n";
701}
702
703
704template void OrderedHashTableIterator<
705    JSSetIterator,
706    OrderedHashSet>::OrderedHashTableIteratorPrint(OStream& os);  // NOLINT
707
708
709template void OrderedHashTableIterator<
710    JSMapIterator,
711    OrderedHashMap>::OrderedHashTableIteratorPrint(OStream& os);  // NOLINT
712
713
714void JSSetIterator::JSSetIteratorPrint(OStream& os) {  // NOLINT
715  HeapObject::PrintHeader(os, "JSSetIterator");
716  OrderedHashTableIteratorPrint(os);
717}
718
719
720void JSMapIterator::JSMapIteratorPrint(OStream& os) {  // NOLINT
721  HeapObject::PrintHeader(os, "JSMapIterator");
722  OrderedHashTableIteratorPrint(os);
723}
724
725
726void JSWeakMap::JSWeakMapPrint(OStream& os) {  // NOLINT
727  HeapObject::PrintHeader(os, "JSWeakMap");
728  os << " - map = " << reinterpret_cast<void*>(map()) << "\n";
729  os << " - table = " << Brief(table());
730  os << "\n";
731}
732
733
734void JSWeakSet::JSWeakSetPrint(OStream& os) {  // NOLINT
735  HeapObject::PrintHeader(os, "JSWeakSet");
736  os << " - map = " << reinterpret_cast<void*>(map()) << "\n";
737  os << " - table = " << Brief(table());
738  os << "\n";
739}
740
741
742void JSArrayBuffer::JSArrayBufferPrint(OStream& os) {  // NOLINT
743  HeapObject::PrintHeader(os, "JSArrayBuffer");
744  os << " - map = " << reinterpret_cast<void*>(map()) << "\n";
745  os << " - backing_store = " << backing_store() << "\n";
746  os << " - byte_length = " << Brief(byte_length());
747  os << "\n";
748}
749
750
751void JSTypedArray::JSTypedArrayPrint(OStream& os) {  // NOLINT
752  HeapObject::PrintHeader(os, "JSTypedArray");
753  os << " - map = " << reinterpret_cast<void*>(map()) << "\n";
754  os << " - buffer = " << Brief(buffer());
755  os << "\n - byte_offset = " << Brief(byte_offset());
756  os << "\n - byte_length = " << Brief(byte_length());
757  os << "\n - length = " << Brief(length());
758  os << "\n";
759  PrintElements(os);
760}
761
762
763void JSDataView::JSDataViewPrint(OStream& os) {  // NOLINT
764  HeapObject::PrintHeader(os, "JSDataView");
765  os << " - map = " << reinterpret_cast<void*>(map()) << "\n";
766  os << " - buffer =" << Brief(buffer());
767  os << "\n - byte_offset = " << Brief(byte_offset());
768  os << "\n - byte_length = " << Brief(byte_length());
769  os << "\n";
770}
771
772
773void JSFunction::JSFunctionPrint(OStream& os) {  // NOLINT
774  HeapObject::PrintHeader(os, "Function");
775  os << " - map = " << reinterpret_cast<void*>(map()) << "\n";
776  os << " - initial_map = ";
777  if (has_initial_map()) os << Brief(initial_map());
778  os << "\n - shared_info = " << Brief(shared());
779  os << "\n   - name = " << Brief(shared()->name());
780  os << "\n - context = " << Brief(context());
781  if (shared()->bound()) {
782    os << "\n - bindings = " << Brief(function_bindings());
783  } else {
784    os << "\n - literals = " << Brief(literals());
785  }
786  os << "\n - code = " << Brief(code());
787  os << "\n";
788  PrintProperties(os);
789  PrintElements(os);
790  os << "\n";
791}
792
793
794void SharedFunctionInfo::SharedFunctionInfoPrint(OStream& os) {  // NOLINT
795  HeapObject::PrintHeader(os, "SharedFunctionInfo");
796  os << " - name: " << Brief(name());
797  os << "\n - expected_nof_properties: " << expected_nof_properties();
798  os << "\n - ast_node_count: " << ast_node_count();
799  os << "\n - instance class name = ";
800  instance_class_name()->Print(os);
801  os << "\n - code = " << Brief(code());
802  if (HasSourceCode()) {
803    os << "\n - source code = ";
804    String* source = String::cast(Script::cast(script())->source());
805    int start = start_position();
806    int length = end_position() - start;
807    SmartArrayPointer<char> source_string =
808        source->ToCString(DISALLOW_NULLS,
809                          FAST_STRING_TRAVERSAL,
810                          start, length, NULL);
811    os << source_string.get();
812  }
813  // Script files are often large, hard to read.
814  // os << "\n - script =";
815  // script()->Print(os);
816  os << "\n - function token position = " << function_token_position();
817  os << "\n - start position = " << start_position();
818  os << "\n - end position = " << end_position();
819  os << "\n - is expression = " << is_expression();
820  os << "\n - debug info = " << Brief(debug_info());
821  os << "\n - length = " << length();
822  os << "\n - optimized_code_map = " << Brief(optimized_code_map());
823  os << "\n - feedback_vector = ";
824  feedback_vector()->FixedArrayPrint(os);
825  os << "\n";
826}
827
828
829void JSGlobalProxy::JSGlobalProxyPrint(OStream& os) {  // NOLINT
830  os << "global_proxy ";
831  JSObjectPrint(os);
832  os << "native context : " << Brief(native_context());
833  os << "\n";
834}
835
836
837void JSGlobalObject::JSGlobalObjectPrint(OStream& os) {  // NOLINT
838  os << "global ";
839  JSObjectPrint(os);
840  os << "native context : " << Brief(native_context());
841  os << "\n";
842}
843
844
845void JSBuiltinsObject::JSBuiltinsObjectPrint(OStream& os) {  // NOLINT
846  os << "builtins ";
847  JSObjectPrint(os);
848}
849
850
851void Cell::CellPrint(OStream& os) {  // NOLINT
852  HeapObject::PrintHeader(os, "Cell");
853}
854
855
856void PropertyCell::PropertyCellPrint(OStream& os) {  // NOLINT
857  HeapObject::PrintHeader(os, "PropertyCell");
858}
859
860
861void Code::CodePrint(OStream& os) {  // NOLINT
862  HeapObject::PrintHeader(os, "Code");
863#ifdef ENABLE_DISASSEMBLER
864  if (FLAG_use_verbose_printer) {
865    Disassemble(NULL, os);
866  }
867#endif
868}
869
870
871void Foreign::ForeignPrint(OStream& os) {  // NOLINT
872  os << "foreign address : " << foreign_address();
873}
874
875
876void ExecutableAccessorInfo::ExecutableAccessorInfoPrint(
877    OStream& os) {  // NOLINT
878  HeapObject::PrintHeader(os, "ExecutableAccessorInfo");
879  os << "\n - name: " << Brief(name());
880  os << "\n - flag: " << Brief(flag());
881  os << "\n - getter: " << Brief(getter());
882  os << "\n - setter: " << Brief(setter());
883  os << "\n - data: " << Brief(data());
884  os << "\n";
885}
886
887
888void DeclaredAccessorInfo::DeclaredAccessorInfoPrint(OStream& os) {  // NOLINT
889  HeapObject::PrintHeader(os, "DeclaredAccessorInfo");
890  os << "\n - name: " << Brief(name());
891  os << "\n - flag: " << Brief(flag());
892  os << "\n - descriptor: " << Brief(descriptor());
893  os << "\n";
894}
895
896
897void DeclaredAccessorDescriptor::DeclaredAccessorDescriptorPrint(
898    OStream& os) {  // NOLINT
899  HeapObject::PrintHeader(os, "DeclaredAccessorDescriptor");
900  os << "\n - internal field: " << Brief(serialized_data());
901  os << "\n";
902}
903
904
905void Box::BoxPrint(OStream& os) {  // NOLINT
906  HeapObject::PrintHeader(os, "Box");
907  os << "\n - value: " << Brief(value());
908  os << "\n";
909}
910
911
912void AccessorPair::AccessorPairPrint(OStream& os) {  // NOLINT
913  HeapObject::PrintHeader(os, "AccessorPair");
914  os << "\n - getter: " << Brief(getter());
915  os << "\n - setter: " << Brief(setter());
916  os << "\n";
917}
918
919
920void AccessCheckInfo::AccessCheckInfoPrint(OStream& os) {  // NOLINT
921  HeapObject::PrintHeader(os, "AccessCheckInfo");
922  os << "\n - named_callback: " << Brief(named_callback());
923  os << "\n - indexed_callback: " << Brief(indexed_callback());
924  os << "\n - data: " << Brief(data());
925  os << "\n";
926}
927
928
929void InterceptorInfo::InterceptorInfoPrint(OStream& os) {  // NOLINT
930  HeapObject::PrintHeader(os, "InterceptorInfo");
931  os << "\n - getter: " << Brief(getter());
932  os << "\n - setter: " << Brief(setter());
933  os << "\n - query: " << Brief(query());
934  os << "\n - deleter: " << Brief(deleter());
935  os << "\n - enumerator: " << Brief(enumerator());
936  os << "\n - data: " << Brief(data());
937  os << "\n";
938}
939
940
941void CallHandlerInfo::CallHandlerInfoPrint(OStream& os) {  // NOLINT
942  HeapObject::PrintHeader(os, "CallHandlerInfo");
943  os << "\n - callback: " << Brief(callback());
944  os << "\n - data: " << Brief(data());
945  os << "\n";
946}
947
948
949void FunctionTemplateInfo::FunctionTemplateInfoPrint(OStream& os) {  // NOLINT
950  HeapObject::PrintHeader(os, "FunctionTemplateInfo");
951  os << "\n - class name: " << Brief(class_name());
952  os << "\n - tag: " << Brief(tag());
953  os << "\n - property_list: " << Brief(property_list());
954  os << "\n - serial_number: " << Brief(serial_number());
955  os << "\n - call_code: " << Brief(call_code());
956  os << "\n - property_accessors: " << Brief(property_accessors());
957  os << "\n - prototype_template: " << Brief(prototype_template());
958  os << "\n - parent_template: " << Brief(parent_template());
959  os << "\n - named_property_handler: " << Brief(named_property_handler());
960  os << "\n - indexed_property_handler: " << Brief(indexed_property_handler());
961  os << "\n - instance_template: " << Brief(instance_template());
962  os << "\n - signature: " << Brief(signature());
963  os << "\n - access_check_info: " << Brief(access_check_info());
964  os << "\n - hidden_prototype: " << (hidden_prototype() ? "true" : "false");
965  os << "\n - undetectable: " << (undetectable() ? "true" : "false");
966  os << "\n - need_access_check: " << (needs_access_check() ? "true" : "false");
967  os << "\n";
968}
969
970
971void ObjectTemplateInfo::ObjectTemplateInfoPrint(OStream& os) {  // NOLINT
972  HeapObject::PrintHeader(os, "ObjectTemplateInfo");
973  os << " - tag: " << Brief(tag());
974  os << "\n - property_list: " << Brief(property_list());
975  os << "\n - property_accessors: " << Brief(property_accessors());
976  os << "\n - constructor: " << Brief(constructor());
977  os << "\n - internal_field_count: " << Brief(internal_field_count());
978  os << "\n";
979}
980
981
982void SignatureInfo::SignatureInfoPrint(OStream& os) {  // NOLINT
983  HeapObject::PrintHeader(os, "SignatureInfo");
984  os << "\n - receiver: " << Brief(receiver());
985  os << "\n - args: " << Brief(args());
986  os << "\n";
987}
988
989
990void TypeSwitchInfo::TypeSwitchInfoPrint(OStream& os) {  // NOLINT
991  HeapObject::PrintHeader(os, "TypeSwitchInfo");
992  os << "\n - types: " << Brief(types());
993  os << "\n";
994}
995
996
997void AllocationSite::AllocationSitePrint(OStream& os) {  // NOLINT
998  HeapObject::PrintHeader(os, "AllocationSite");
999  os << " - weak_next: " << Brief(weak_next());
1000  os << "\n - dependent code: " << Brief(dependent_code());
1001  os << "\n - nested site: " << Brief(nested_site());
1002  os << "\n - memento found count: "
1003     << Brief(Smi::FromInt(memento_found_count()));
1004  os << "\n - memento create count: "
1005     << Brief(Smi::FromInt(memento_create_count()));
1006  os << "\n - pretenure decision: "
1007     << Brief(Smi::FromInt(pretenure_decision()));
1008  os << "\n - transition_info: ";
1009  if (transition_info()->IsSmi()) {
1010    ElementsKind kind = GetElementsKind();
1011    os << "Array allocation with ElementsKind " << ElementsKindToString(kind);
1012  } else if (transition_info()->IsJSArray()) {
1013    os << "Array literal " << Brief(transition_info());
1014  } else {
1015    os << "unknown transition_info" << Brief(transition_info());
1016  }
1017  os << "\n";
1018}
1019
1020
1021void AllocationMemento::AllocationMementoPrint(OStream& os) {  // NOLINT
1022  HeapObject::PrintHeader(os, "AllocationMemento");
1023  os << " - allocation site: ";
1024  if (IsValid()) {
1025    GetAllocationSite()->Print(os);
1026  } else {
1027    os << "<invalid>\n";
1028  }
1029}
1030
1031
1032void Script::ScriptPrint(OStream& os) {  // NOLINT
1033  HeapObject::PrintHeader(os, "Script");
1034  os << "\n - source: " << Brief(source());
1035  os << "\n - name: " << Brief(name());
1036  os << "\n - line_offset: " << Brief(line_offset());
1037  os << "\n - column_offset: " << Brief(column_offset());
1038  os << "\n - type: " << Brief(type());
1039  os << "\n - id: " << Brief(id());
1040  os << "\n - context data: " << Brief(context_data());
1041  os << "\n - wrapper: " << Brief(wrapper());
1042  os << "\n - compilation type: " << compilation_type();
1043  os << "\n - line ends: " << Brief(line_ends());
1044  os << "\n - eval from shared: " << Brief(eval_from_shared());
1045  os << "\n - eval from instructions offset: "
1046     << Brief(eval_from_instructions_offset());
1047  os << "\n";
1048}
1049
1050
1051void DebugInfo::DebugInfoPrint(OStream& os) {  // NOLINT
1052  HeapObject::PrintHeader(os, "DebugInfo");
1053  os << "\n - shared: " << Brief(shared());
1054  os << "\n - original_code: " << Brief(original_code());
1055  os << "\n - code: " << Brief(code());
1056  os << "\n - break_points: ";
1057  break_points()->Print(os);
1058}
1059
1060
1061void BreakPointInfo::BreakPointInfoPrint(OStream& os) {  // NOLINT
1062  HeapObject::PrintHeader(os, "BreakPointInfo");
1063  os << "\n - code_position: " << code_position()->value();
1064  os << "\n - source_position: " << source_position()->value();
1065  os << "\n - statement_position: " << statement_position()->value();
1066  os << "\n - break_point_objects: " << Brief(break_point_objects());
1067  os << "\n";
1068}
1069
1070
1071void DescriptorArray::PrintDescriptors(OStream& os) {  // NOLINT
1072  os << "Descriptor array  " << number_of_descriptors() << "\n";
1073  for (int i = 0; i < number_of_descriptors(); i++) {
1074    Descriptor desc;
1075    Get(i, &desc);
1076    os << " " << i << ": " << desc;
1077  }
1078  os << "\n";
1079}
1080
1081
1082void TransitionArray::PrintTransitions(OStream& os) {  // NOLINT
1083  os << "Transition array  %d\n", number_of_transitions();
1084  for (int i = 0; i < number_of_transitions(); i++) {
1085    os << " " << i << ": ";
1086    GetKey(i)->NamePrint(os);
1087    os << ": ";
1088    switch (GetTargetDetails(i).type()) {
1089      case FIELD: {
1090        os << " (transition to field)\n";
1091        break;
1092      }
1093      case CONSTANT:
1094        os << " (transition to constant)\n";
1095        break;
1096      case CALLBACKS:
1097        os << " (transition to callback)\n";
1098        break;
1099      // Values below are never in the target descriptor array.
1100      case NORMAL:
1101        UNREACHABLE();
1102        break;
1103    }
1104  }
1105  os << "\n";
1106}
1107
1108
1109#endif  // OBJECT_PRINT
1110
1111
1112} }  // namespace v8::internal
1113