1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are
6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided
11 // with the distribution.
12 // * Neither the name of Google Inc. nor the names of its
13 // contributors may be used to endorse or promote products derived
14 // from this software without specific prior written permission.
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 #include "disassembler.h"
33 #include "objects-visiting.h"
40 static const char* TypeToString(InstanceType type);
43 void MaybeObject::Print(FILE* out) {
44 Object* this_as_object;
45 if (ToObject(&this_as_object)) {
46 if (this_as_object->IsSmi()) {
47 Smi::cast(this_as_object)->SmiPrint(out);
49 HeapObject::cast(this_as_object)->HeapObjectPrint(out);
52 Failure::cast(this)->FailurePrint(out);
58 void MaybeObject::PrintLn(FILE* out) {
64 void HeapObject::PrintHeader(FILE* out, const char* id) {
65 PrintF(out, "%p: [%s]\n", reinterpret_cast<void*>(this), id);
69 void HeapObject::HeapObjectPrint(FILE* out) {
70 InstanceType instance_type = map()->instance_type();
73 if (instance_type < FIRST_NONSTRING_TYPE) {
74 String::cast(this)->StringPrint(out);
78 switch (instance_type) {
80 Map::cast(this)->MapPrint(out);
82 case HEAP_NUMBER_TYPE:
83 HeapNumber::cast(this)->HeapNumberPrint(out);
85 case FIXED_DOUBLE_ARRAY_TYPE:
86 FixedDoubleArray::cast(this)->FixedDoubleArrayPrint(out);
88 case FIXED_ARRAY_TYPE:
89 FixedArray::cast(this)->FixedArrayPrint(out);
92 ByteArray::cast(this)->ByteArrayPrint(out);
95 FreeSpace::cast(this)->FreeSpacePrint(out);
97 case EXTERNAL_PIXEL_ARRAY_TYPE:
98 ExternalPixelArray::cast(this)->ExternalPixelArrayPrint(out);
100 case EXTERNAL_BYTE_ARRAY_TYPE:
101 ExternalByteArray::cast(this)->ExternalByteArrayPrint(out);
103 case EXTERNAL_UNSIGNED_BYTE_ARRAY_TYPE:
104 ExternalUnsignedByteArray::cast(this)
105 ->ExternalUnsignedByteArrayPrint(out);
107 case EXTERNAL_SHORT_ARRAY_TYPE:
108 ExternalShortArray::cast(this)->ExternalShortArrayPrint(out);
110 case EXTERNAL_UNSIGNED_SHORT_ARRAY_TYPE:
111 ExternalUnsignedShortArray::cast(this)
112 ->ExternalUnsignedShortArrayPrint(out);
114 case EXTERNAL_INT_ARRAY_TYPE:
115 ExternalIntArray::cast(this)->ExternalIntArrayPrint(out);
117 case EXTERNAL_UNSIGNED_INT_ARRAY_TYPE:
118 ExternalUnsignedIntArray::cast(this)->ExternalUnsignedIntArrayPrint(out);
120 case EXTERNAL_FLOAT_ARRAY_TYPE:
121 ExternalFloatArray::cast(this)->ExternalFloatArrayPrint(out);
123 case EXTERNAL_DOUBLE_ARRAY_TYPE:
124 ExternalDoubleArray::cast(this)->ExternalDoubleArrayPrint(out);
127 PrintF(out, "filler");
129 case JS_OBJECT_TYPE: // fall through
130 case JS_CONTEXT_EXTENSION_OBJECT_TYPE:
133 JSObject::cast(this)->JSObjectPrint(out);
136 Oddball::cast(this)->to_string()->Print(out);
139 JSModule::cast(this)->JSModulePrint(out);
141 case JS_FUNCTION_TYPE:
142 JSFunction::cast(this)->JSFunctionPrint(out);
144 case JS_GLOBAL_PROXY_TYPE:
145 JSGlobalProxy::cast(this)->JSGlobalProxyPrint(out);
147 case JS_GLOBAL_OBJECT_TYPE:
148 JSGlobalObject::cast(this)->JSGlobalObjectPrint(out);
150 case JS_BUILTINS_OBJECT_TYPE:
151 JSBuiltinsObject::cast(this)->JSBuiltinsObjectPrint(out);
154 PrintF(out, "Value wrapper around:");
155 JSValue::cast(this)->value()->Print(out);
158 JSDate::cast(this)->JSDatePrint(out);
161 Code::cast(this)->CodePrint(out);
164 JSProxy::cast(this)->JSProxyPrint(out);
166 case JS_FUNCTION_PROXY_TYPE:
167 JSFunctionProxy::cast(this)->JSFunctionProxyPrint(out);
169 case JS_WEAK_MAP_TYPE:
170 JSWeakMap::cast(this)->JSWeakMapPrint(out);
173 Foreign::cast(this)->ForeignPrint(out);
175 case SHARED_FUNCTION_INFO_TYPE:
176 SharedFunctionInfo::cast(this)->SharedFunctionInfoPrint(out);
178 case JS_MESSAGE_OBJECT_TYPE:
179 JSMessageObject::cast(this)->JSMessageObjectPrint(out);
181 case JS_GLOBAL_PROPERTY_CELL_TYPE:
182 JSGlobalPropertyCell::cast(this)->JSGlobalPropertyCellPrint(out);
184 #define MAKE_STRUCT_CASE(NAME, Name, name) \
186 Name::cast(this)->Name##Print(out); \
188 STRUCT_LIST(MAKE_STRUCT_CASE)
189 #undef MAKE_STRUCT_CASE
192 PrintF(out, "UNKNOWN TYPE %d", map()->instance_type());
199 void ByteArray::ByteArrayPrint(FILE* out) {
200 PrintF(out, "byte array, data starts at %p", GetDataStartAddress());
204 void FreeSpace::FreeSpacePrint(FILE* out) {
205 PrintF(out, "free space, size %d", Size());
209 void ExternalPixelArray::ExternalPixelArrayPrint(FILE* out) {
210 PrintF(out, "external pixel array");
214 void ExternalByteArray::ExternalByteArrayPrint(FILE* out) {
215 PrintF(out, "external byte array");
219 void ExternalUnsignedByteArray::ExternalUnsignedByteArrayPrint(FILE* out) {
220 PrintF(out, "external unsigned byte array");
224 void ExternalShortArray::ExternalShortArrayPrint(FILE* out) {
225 PrintF(out, "external short array");
229 void ExternalUnsignedShortArray::ExternalUnsignedShortArrayPrint(FILE* out) {
230 PrintF(out, "external unsigned short array");
234 void ExternalIntArray::ExternalIntArrayPrint(FILE* out) {
235 PrintF(out, "external int array");
239 void ExternalUnsignedIntArray::ExternalUnsignedIntArrayPrint(FILE* out) {
240 PrintF(out, "external unsigned int array");
244 void ExternalFloatArray::ExternalFloatArrayPrint(FILE* out) {
245 PrintF(out, "external float array");
249 void ExternalDoubleArray::ExternalDoubleArrayPrint(FILE* out) {
250 PrintF(out, "external double array");
254 void JSObject::PrintProperties(FILE* out) {
255 if (HasFastProperties()) {
256 DescriptorArray* descs = map()->instance_descriptors();
257 for (int i = 0; i < descs->number_of_descriptors(); i++) {
259 descs->GetKey(i)->StringPrint(out);
261 switch (descs->GetType(i)) {
263 int index = descs->GetFieldIndex(i);
264 FastPropertyAt(index)->ShortPrint(out);
265 PrintF(out, " (field at offset %d)\n", index);
268 case CONSTANT_FUNCTION:
269 descs->GetConstantFunction(i)->ShortPrint(out);
270 PrintF(out, " (constant function)\n");
273 descs->GetCallbacksObject(i)->ShortPrint(out);
274 PrintF(out, " (callback)\n");
276 case ELEMENTS_TRANSITION: {
277 PrintF(out, "(elements transition to ");
278 Object* descriptor_contents = descs->GetValue(i);
279 if (descriptor_contents->IsMap()) {
280 Map* map = Map::cast(descriptor_contents);
281 PrintElementsKind(out, map->elements_kind());
283 FixedArray* map_array = FixedArray::cast(descriptor_contents);
284 for (int i = 0; i < map_array->length(); ++i) {
285 Map* map = Map::cast(map_array->get(i));
289 PrintElementsKind(out, map->elements_kind());
296 PrintF(out, "(map transition)\n");
298 case CONSTANT_TRANSITION:
299 PrintF(out, "(constant transition)\n");
301 case NULL_DESCRIPTOR:
302 PrintF(out, "(null descriptor)\n");
304 case NORMAL: // only in slow mode
305 case HANDLER: // only in lookup results, not in descriptors
306 case INTERCEPTOR: // only in lookup results, not in descriptors
312 property_dictionary()->Print(out);
317 void JSObject::PrintElements(FILE* out) {
318 // Don't call GetElementsKind, its validation code can cause the printer to
319 // fail when debugging.
320 switch (map()->elements_kind()) {
321 case FAST_SMI_ONLY_ELEMENTS:
322 case FAST_ELEMENTS: {
323 // Print in array notation for non-sparse arrays.
324 FixedArray* p = FixedArray::cast(elements());
325 for (int i = 0; i < p->length(); i++) {
326 PrintF(out, " %d: ", i);
327 p->get(i)->ShortPrint(out);
332 case FAST_DOUBLE_ELEMENTS: {
333 // Print in array notation for non-sparse arrays.
334 if (elements()->length() > 0) {
335 FixedDoubleArray* p = FixedDoubleArray::cast(elements());
336 for (int i = 0; i < p->length(); i++) {
337 if (p->is_the_hole(i)) {
338 PrintF(out, " %d: <the hole>", i);
340 PrintF(out, " %d: %g", i, p->get_scalar(i));
347 case EXTERNAL_PIXEL_ELEMENTS: {
348 ExternalPixelArray* p = ExternalPixelArray::cast(elements());
349 for (int i = 0; i < p->length(); i++) {
350 PrintF(out, " %d: %d\n", i, p->get_scalar(i));
354 case EXTERNAL_BYTE_ELEMENTS: {
355 ExternalByteArray* p = ExternalByteArray::cast(elements());
356 for (int i = 0; i < p->length(); i++) {
357 PrintF(out, " %d: %d\n", i, static_cast<int>(p->get_scalar(i)));
361 case EXTERNAL_UNSIGNED_BYTE_ELEMENTS: {
362 ExternalUnsignedByteArray* p =
363 ExternalUnsignedByteArray::cast(elements());
364 for (int i = 0; i < p->length(); i++) {
365 PrintF(out, " %d: %d\n", i, static_cast<int>(p->get_scalar(i)));
369 case EXTERNAL_SHORT_ELEMENTS: {
370 ExternalShortArray* p = ExternalShortArray::cast(elements());
371 for (int i = 0; i < p->length(); i++) {
372 PrintF(out, " %d: %d\n", i, static_cast<int>(p->get_scalar(i)));
376 case EXTERNAL_UNSIGNED_SHORT_ELEMENTS: {
377 ExternalUnsignedShortArray* p =
378 ExternalUnsignedShortArray::cast(elements());
379 for (int i = 0; i < p->length(); i++) {
380 PrintF(out, " %d: %d\n", i, static_cast<int>(p->get_scalar(i)));
384 case EXTERNAL_INT_ELEMENTS: {
385 ExternalIntArray* p = ExternalIntArray::cast(elements());
386 for (int i = 0; i < p->length(); i++) {
387 PrintF(out, " %d: %d\n", i, static_cast<int>(p->get_scalar(i)));
391 case EXTERNAL_UNSIGNED_INT_ELEMENTS: {
392 ExternalUnsignedIntArray* p =
393 ExternalUnsignedIntArray::cast(elements());
394 for (int i = 0; i < p->length(); i++) {
395 PrintF(out, " %d: %d\n", i, static_cast<int>(p->get_scalar(i)));
399 case EXTERNAL_FLOAT_ELEMENTS: {
400 ExternalFloatArray* p = ExternalFloatArray::cast(elements());
401 for (int i = 0; i < p->length(); i++) {
402 PrintF(out, " %d: %f\n", i, p->get_scalar(i));
406 case EXTERNAL_DOUBLE_ELEMENTS: {
407 ExternalDoubleArray* p = ExternalDoubleArray::cast(elements());
408 for (int i = 0; i < p->length(); i++) {
409 PrintF(out, " %d: %f\n", i, p->get_scalar(i));
413 case DICTIONARY_ELEMENTS:
414 elements()->Print(out);
416 case NON_STRICT_ARGUMENTS_ELEMENTS: {
417 FixedArray* p = FixedArray::cast(elements());
418 for (int i = 2; i < p->length(); i++) {
419 PrintF(out, " %d: ", i);
420 p->get(i)->ShortPrint(out);
429 void JSObject::JSObjectPrint(FILE* out) {
430 PrintF(out, "%p: [JSObject]\n", reinterpret_cast<void*>(this));
431 PrintF(out, " - map = %p [", reinterpret_cast<void*>(map()));
432 // Don't call GetElementsKind, its validation code can cause the printer to
433 // fail when debugging.
434 PrintElementsKind(out, this->map()->elements_kind());
436 "]\n - prototype = %p\n",
437 reinterpret_cast<void*>(GetPrototype()));
439 PrintProperties(out);
445 void JSModule::JSModulePrint(FILE* out) {
446 HeapObject::PrintHeader(out, "JSModule");
447 PrintF(out, " - map = 0x%p\n", reinterpret_cast<void*>(map()));
448 PrintF(out, " - context = ");
449 context()->Print(out);
450 PrintElementsKind(out, this->map()->elements_kind());
452 PrintProperties(out);
458 static const char* TypeToString(InstanceType type) {
460 case INVALID_TYPE: return "INVALID";
461 case MAP_TYPE: return "MAP";
462 case HEAP_NUMBER_TYPE: return "HEAP_NUMBER";
463 case SYMBOL_TYPE: return "SYMBOL";
464 case ASCII_SYMBOL_TYPE: return "ASCII_SYMBOL";
465 case CONS_SYMBOL_TYPE: return "CONS_SYMBOL";
466 case CONS_ASCII_SYMBOL_TYPE: return "CONS_ASCII_SYMBOL";
467 case EXTERNAL_ASCII_SYMBOL_TYPE:
468 case EXTERNAL_SYMBOL_WITH_ASCII_DATA_TYPE:
469 case EXTERNAL_SYMBOL_TYPE: return "EXTERNAL_SYMBOL";
470 case SHORT_EXTERNAL_ASCII_SYMBOL_TYPE:
471 case SHORT_EXTERNAL_SYMBOL_WITH_ASCII_DATA_TYPE:
472 case SHORT_EXTERNAL_SYMBOL_TYPE: return "SHORT_EXTERNAL_SYMBOL";
473 case ASCII_STRING_TYPE: return "ASCII_STRING";
474 case STRING_TYPE: return "TWO_BYTE_STRING";
475 case CONS_STRING_TYPE:
476 case CONS_ASCII_STRING_TYPE: return "CONS_STRING";
477 case EXTERNAL_ASCII_STRING_TYPE:
478 case EXTERNAL_STRING_WITH_ASCII_DATA_TYPE:
479 case EXTERNAL_STRING_TYPE: return "EXTERNAL_STRING";
480 case SHORT_EXTERNAL_ASCII_STRING_TYPE:
481 case SHORT_EXTERNAL_STRING_WITH_ASCII_DATA_TYPE:
482 case SHORT_EXTERNAL_STRING_TYPE: return "SHORT_EXTERNAL_STRING";
483 case FIXED_ARRAY_TYPE: return "FIXED_ARRAY";
484 case BYTE_ARRAY_TYPE: return "BYTE_ARRAY";
485 case FREE_SPACE_TYPE: return "FREE_SPACE";
486 case EXTERNAL_PIXEL_ARRAY_TYPE: return "EXTERNAL_PIXEL_ARRAY";
487 case EXTERNAL_BYTE_ARRAY_TYPE: return "EXTERNAL_BYTE_ARRAY";
488 case EXTERNAL_UNSIGNED_BYTE_ARRAY_TYPE:
489 return "EXTERNAL_UNSIGNED_BYTE_ARRAY";
490 case EXTERNAL_SHORT_ARRAY_TYPE: return "EXTERNAL_SHORT_ARRAY";
491 case EXTERNAL_UNSIGNED_SHORT_ARRAY_TYPE:
492 return "EXTERNAL_UNSIGNED_SHORT_ARRAY";
493 case EXTERNAL_INT_ARRAY_TYPE: return "EXTERNAL_INT_ARRAY";
494 case EXTERNAL_UNSIGNED_INT_ARRAY_TYPE:
495 return "EXTERNAL_UNSIGNED_INT_ARRAY";
496 case EXTERNAL_FLOAT_ARRAY_TYPE: return "EXTERNAL_FLOAT_ARRAY";
497 case EXTERNAL_DOUBLE_ARRAY_TYPE: return "EXTERNAL_DOUBLE_ARRAY";
498 case FILLER_TYPE: return "FILLER";
499 case JS_OBJECT_TYPE: return "JS_OBJECT";
500 case JS_CONTEXT_EXTENSION_OBJECT_TYPE: return "JS_CONTEXT_EXTENSION_OBJECT";
501 case ODDBALL_TYPE: return "ODDBALL";
502 case JS_GLOBAL_PROPERTY_CELL_TYPE: return "JS_GLOBAL_PROPERTY_CELL";
503 case SHARED_FUNCTION_INFO_TYPE: return "SHARED_FUNCTION_INFO";
504 case JS_MODULE_TYPE: return "JS_MODULE";
505 case JS_FUNCTION_TYPE: return "JS_FUNCTION";
506 case CODE_TYPE: return "CODE";
507 case JS_ARRAY_TYPE: return "JS_ARRAY";
508 case JS_PROXY_TYPE: return "JS_PROXY";
509 case JS_WEAK_MAP_TYPE: return "JS_WEAK_MAP";
510 case JS_REGEXP_TYPE: return "JS_REGEXP";
511 case JS_VALUE_TYPE: return "JS_VALUE";
512 case JS_GLOBAL_OBJECT_TYPE: return "JS_GLOBAL_OBJECT";
513 case JS_BUILTINS_OBJECT_TYPE: return "JS_BUILTINS_OBJECT";
514 case JS_GLOBAL_PROXY_TYPE: return "JS_GLOBAL_PROXY";
515 case FOREIGN_TYPE: return "FOREIGN";
516 case JS_MESSAGE_OBJECT_TYPE: return "JS_MESSAGE_OBJECT_TYPE";
517 #define MAKE_STRUCT_CASE(NAME, Name, name) case NAME##_TYPE: return #NAME;
518 STRUCT_LIST(MAKE_STRUCT_CASE)
519 #undef MAKE_STRUCT_CASE
520 default: return "UNKNOWN";
525 void Map::MapPrint(FILE* out) {
526 HeapObject::PrintHeader(out, "Map");
527 PrintF(out, " - type: %s\n", TypeToString(instance_type()));
528 PrintF(out, " - instance size: %d\n", instance_size());
529 PrintF(out, " - inobject properties: %d\n", inobject_properties());
530 PrintF(out, " - elements kind: ");
531 PrintElementsKind(out, elements_kind());
532 PrintF(out, "\n - pre-allocated property fields: %d\n",
533 pre_allocated_property_fields());
534 PrintF(out, " - unused property fields: %d\n", unused_property_fields());
535 if (is_hidden_prototype()) {
536 PrintF(out, " - hidden_prototype\n");
538 if (has_named_interceptor()) {
539 PrintF(out, " - named_interceptor\n");
541 if (has_indexed_interceptor()) {
542 PrintF(out, " - indexed_interceptor\n");
544 if (is_undetectable()) {
545 PrintF(out, " - undetectable\n");
547 if (has_instance_call_handler()) {
548 PrintF(out, " - instance_call_handler\n");
550 if (is_access_check_needed()) {
551 PrintF(out, " - access_check_needed\n");
553 PrintF(out, " - instance descriptors: ");
554 instance_descriptors()->ShortPrint(out);
555 PrintF(out, "\n - prototype: ");
556 prototype()->ShortPrint(out);
557 PrintF(out, "\n - constructor: ");
558 constructor()->ShortPrint(out);
563 void CodeCache::CodeCachePrint(FILE* out) {
564 HeapObject::PrintHeader(out, "CodeCache");
565 PrintF(out, "\n - default_cache: ");
566 default_cache()->ShortPrint(out);
567 PrintF(out, "\n - normal_type_cache: ");
568 normal_type_cache()->ShortPrint(out);
572 void PolymorphicCodeCache::PolymorphicCodeCachePrint(FILE* out) {
573 HeapObject::PrintHeader(out, "PolymorphicCodeCache");
574 PrintF(out, "\n - cache: ");
575 cache()->ShortPrint(out);
579 void TypeFeedbackInfo::TypeFeedbackInfoPrint(FILE* out) {
580 HeapObject::PrintHeader(out, "TypeFeedbackInfo");
581 PrintF(out, "\n - ic_total_count: %d, ic_with_type_info_count: %d",
582 ic_total_count(), ic_with_type_info_count());
583 PrintF(out, "\n - type_feedback_cells: ");
584 type_feedback_cells()->FixedArrayPrint(out);
588 void AliasedArgumentsEntry::AliasedArgumentsEntryPrint(FILE* out) {
589 HeapObject::PrintHeader(out, "AliasedArgumentsEntry");
590 PrintF(out, "\n - aliased_context_slot: %d", aliased_context_slot());
594 void FixedArray::FixedArrayPrint(FILE* out) {
595 HeapObject::PrintHeader(out, "FixedArray");
596 PrintF(out, " - length: %d", length());
597 for (int i = 0; i < length(); i++) {
598 PrintF(out, "\n [%d]: ", i);
599 get(i)->ShortPrint(out);
605 void FixedDoubleArray::FixedDoubleArrayPrint(FILE* out) {
606 HeapObject::PrintHeader(out, "FixedDoubleArray");
607 PrintF(out, " - length: %d", length());
608 for (int i = 0; i < length(); i++) {
609 if (is_the_hole(i)) {
610 PrintF(out, "\n [%d]: <the hole>", i);
612 PrintF(out, "\n [%d]: %g", i, get_scalar(i));
619 void JSValue::JSValuePrint(FILE* out) {
620 HeapObject::PrintHeader(out, "ValueObject");
625 void JSMessageObject::JSMessageObjectPrint(FILE* out) {
626 HeapObject::PrintHeader(out, "JSMessageObject");
627 PrintF(out, " - type: ");
628 type()->ShortPrint(out);
629 PrintF(out, "\n - arguments: ");
630 arguments()->ShortPrint(out);
631 PrintF(out, "\n - start_position: %d", start_position());
632 PrintF(out, "\n - end_position: %d", end_position());
633 PrintF(out, "\n - script: ");
634 script()->ShortPrint(out);
635 PrintF(out, "\n - stack_trace: ");
636 stack_trace()->ShortPrint(out);
637 PrintF(out, "\n - stack_frames: ");
638 stack_frames()->ShortPrint(out);
643 void String::StringPrint(FILE* out) {
644 if (StringShape(this).IsSymbol()) {
646 } else if (StringShape(this).IsCons()) {
652 const char truncated_epilogue[] = "...<truncated>";
654 if (!FLAG_use_verbose_printer) {
656 len = 100 - sizeof(truncated_epilogue);
659 for (int i = 0; i < len; i++) {
660 PrintF(out, "%c", Get(i));
662 if (len != length()) {
663 PrintF(out, "%s", truncated_epilogue);
666 if (!StringShape(this).IsSymbol()) PrintF(out, "\"");
670 // This method is only meant to be called from gdb for debugging purposes.
671 // Since the string can also be in two-byte encoding, non-ASCII characters
672 // will be ignored in the output.
673 char* String::ToAsciiArray() {
674 // Static so that subsequent calls frees previously allocated space.
675 // This also means that previous results will be overwritten.
676 static char* buffer = NULL;
677 if (buffer != NULL) free(buffer);
678 buffer = new char[length()+1];
679 WriteToFlat(this, buffer, 0, length());
680 buffer[length()] = 0;
685 static const char* const weekdays[] = {
686 "???", "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
689 void JSDate::JSDatePrint(FILE* out) {
690 HeapObject::PrintHeader(out, "JSDate");
691 PrintF(out, " - map = 0x%p\n", reinterpret_cast<void*>(map()));
692 PrintF(out, " - value = ");
694 if (!year()->IsSmi()) {
695 PrintF(out, " - time = NaN\n");
697 PrintF(out, " - time = %s %04d/%02d/%02d %02d:%02d:%02d\n",
698 weekdays[weekday()->IsSmi() ? Smi::cast(weekday())->value() + 1 : 0],
699 year()->IsSmi() ? Smi::cast(year())->value() : -1,
700 month()->IsSmi() ? Smi::cast(month())->value() : -1,
701 day()->IsSmi() ? Smi::cast(day())->value() : -1,
702 hour()->IsSmi() ? Smi::cast(hour())->value() : -1,
703 min()->IsSmi() ? Smi::cast(min())->value() : -1,
704 sec()->IsSmi() ? Smi::cast(sec())->value() : -1);
709 void JSProxy::JSProxyPrint(FILE* out) {
710 HeapObject::PrintHeader(out, "JSProxy");
711 PrintF(out, " - map = 0x%p\n", reinterpret_cast<void*>(map()));
712 PrintF(out, " - handler = ");
713 handler()->Print(out);
714 PrintF(out, " - hash = ");
720 void JSFunctionProxy::JSFunctionProxyPrint(FILE* out) {
721 HeapObject::PrintHeader(out, "JSFunctionProxy");
722 PrintF(out, " - map = 0x%p\n", reinterpret_cast<void*>(map()));
723 PrintF(out, " - handler = ");
724 handler()->Print(out);
725 PrintF(out, " - call_trap = ");
726 call_trap()->Print(out);
727 PrintF(out, " - construct_trap = ");
728 construct_trap()->Print(out);
733 void JSWeakMap::JSWeakMapPrint(FILE* out) {
734 HeapObject::PrintHeader(out, "JSWeakMap");
735 PrintF(out, " - map = 0x%p\n", reinterpret_cast<void*>(map()));
736 PrintF(out, " - table = ");
737 table()->ShortPrint(out);
742 void JSFunction::JSFunctionPrint(FILE* out) {
743 HeapObject::PrintHeader(out, "Function");
744 PrintF(out, " - map = 0x%p\n", reinterpret_cast<void*>(map()));
745 PrintF(out, " - initial_map = ");
746 if (has_initial_map()) {
747 initial_map()->ShortPrint(out);
749 PrintF(out, "\n - shared_info = ");
750 shared()->ShortPrint(out);
751 PrintF(out, "\n - name = ");
752 shared()->name()->Print(out);
753 PrintF(out, "\n - context = ");
754 unchecked_context()->ShortPrint(out);
755 PrintF(out, "\n - code = ");
756 code()->ShortPrint(out);
759 PrintProperties(out);
766 void SharedFunctionInfo::SharedFunctionInfoPrint(FILE* out) {
767 HeapObject::PrintHeader(out, "SharedFunctionInfo");
768 PrintF(out, " - name: ");
769 name()->ShortPrint(out);
770 PrintF(out, "\n - expected_nof_properties: %d", expected_nof_properties());
771 PrintF(out, "\n - instance class name = ");
772 instance_class_name()->Print(out);
773 PrintF(out, "\n - code = ");
774 code()->ShortPrint(out);
775 PrintF(out, "\n - source code = ");
776 GetSourceCode()->ShortPrint(out);
777 // Script files are often large, hard to read.
778 // PrintF(out, "\n - script =");
779 // script()->Print(out);
780 PrintF(out, "\n - function token position = %d", function_token_position());
781 PrintF(out, "\n - start position = %d", start_position());
782 PrintF(out, "\n - end position = %d", end_position());
783 PrintF(out, "\n - is expression = %d", is_expression());
784 PrintF(out, "\n - debug info = ");
785 debug_info()->ShortPrint(out);
786 PrintF(out, "\n - length = %d", length());
787 PrintF(out, "\n - has_only_simple_this_property_assignments = %d",
788 has_only_simple_this_property_assignments());
789 PrintF(out, "\n - this_property_assignments = ");
790 this_property_assignments()->ShortPrint(out);
795 void JSGlobalProxy::JSGlobalProxyPrint(FILE* out) {
796 PrintF(out, "global_proxy");
798 PrintF(out, "context : ");
799 context()->ShortPrint(out);
804 void JSGlobalObject::JSGlobalObjectPrint(FILE* out) {
805 PrintF(out, "global ");
807 PrintF(out, "global context : ");
808 global_context()->ShortPrint(out);
813 void JSBuiltinsObject::JSBuiltinsObjectPrint(FILE* out) {
814 PrintF(out, "builtins ");
819 void JSGlobalPropertyCell::JSGlobalPropertyCellPrint(FILE* out) {
820 HeapObject::PrintHeader(out, "JSGlobalPropertyCell");
824 void Code::CodePrint(FILE* out) {
825 HeapObject::PrintHeader(out, "Code");
826 #ifdef ENABLE_DISASSEMBLER
827 if (FLAG_use_verbose_printer) {
828 Disassemble(NULL, out);
834 void Foreign::ForeignPrint(FILE* out) {
835 PrintF(out, "foreign address : %p", foreign_address());
839 void AccessorInfo::AccessorInfoPrint(FILE* out) {
840 HeapObject::PrintHeader(out, "AccessorInfo");
841 PrintF(out, "\n - getter: ");
842 getter()->ShortPrint(out);
843 PrintF(out, "\n - setter: ");
844 setter()->ShortPrint(out);
845 PrintF(out, "\n - name: ");
846 name()->ShortPrint(out);
847 PrintF(out, "\n - data: ");
848 data()->ShortPrint(out);
849 PrintF(out, "\n - flag: ");
850 flag()->ShortPrint(out);
854 void AccessorPair::AccessorPairPrint(FILE* out) {
855 HeapObject::PrintHeader(out, "AccessorPair");
856 PrintF(out, "\n - getter: ");
857 getter()->ShortPrint(out);
858 PrintF(out, "\n - setter: ");
859 setter()->ShortPrint(out);
863 void AccessCheckInfo::AccessCheckInfoPrint(FILE* out) {
864 HeapObject::PrintHeader(out, "AccessCheckInfo");
865 PrintF(out, "\n - named_callback: ");
866 named_callback()->ShortPrint(out);
867 PrintF(out, "\n - indexed_callback: ");
868 indexed_callback()->ShortPrint(out);
869 PrintF(out, "\n - data: ");
870 data()->ShortPrint(out);
874 void InterceptorInfo::InterceptorInfoPrint(FILE* out) {
875 HeapObject::PrintHeader(out, "InterceptorInfo");
876 PrintF(out, "\n - getter: ");
877 getter()->ShortPrint(out);
878 PrintF(out, "\n - setter: ");
879 setter()->ShortPrint(out);
880 PrintF(out, "\n - query: ");
881 query()->ShortPrint(out);
882 PrintF(out, "\n - deleter: ");
883 deleter()->ShortPrint(out);
884 PrintF(out, "\n - enumerator: ");
885 enumerator()->ShortPrint(out);
886 PrintF(out, "\n - data: ");
887 data()->ShortPrint(out);
891 void CallHandlerInfo::CallHandlerInfoPrint(FILE* out) {
892 HeapObject::PrintHeader(out, "CallHandlerInfo");
893 PrintF(out, "\n - callback: ");
894 callback()->ShortPrint(out);
895 PrintF(out, "\n - data: ");
896 data()->ShortPrint(out);
897 PrintF(out, "\n - call_stub_cache: ");
901 void FunctionTemplateInfo::FunctionTemplateInfoPrint(FILE* out) {
902 HeapObject::PrintHeader(out, "FunctionTemplateInfo");
903 PrintF(out, "\n - class name: ");
904 class_name()->ShortPrint(out);
905 PrintF(out, "\n - tag: ");
906 tag()->ShortPrint(out);
907 PrintF(out, "\n - property_list: ");
908 property_list()->ShortPrint(out);
909 PrintF(out, "\n - serial_number: ");
910 serial_number()->ShortPrint(out);
911 PrintF(out, "\n - call_code: ");
912 call_code()->ShortPrint(out);
913 PrintF(out, "\n - property_accessors: ");
914 property_accessors()->ShortPrint(out);
915 PrintF(out, "\n - prototype_template: ");
916 prototype_template()->ShortPrint(out);
917 PrintF(out, "\n - parent_template: ");
918 parent_template()->ShortPrint(out);
919 PrintF(out, "\n - named_property_handler: ");
920 named_property_handler()->ShortPrint(out);
921 PrintF(out, "\n - indexed_property_handler: ");
922 indexed_property_handler()->ShortPrint(out);
923 PrintF(out, "\n - instance_template: ");
924 instance_template()->ShortPrint(out);
925 PrintF(out, "\n - signature: ");
926 signature()->ShortPrint(out);
927 PrintF(out, "\n - access_check_info: ");
928 access_check_info()->ShortPrint(out);
929 PrintF(out, "\n - hidden_prototype: %s",
930 hidden_prototype() ? "true" : "false");
931 PrintF(out, "\n - undetectable: %s", undetectable() ? "true" : "false");
932 PrintF(out, "\n - need_access_check: %s",
933 needs_access_check() ? "true" : "false");
937 void ObjectTemplateInfo::ObjectTemplateInfoPrint(FILE* out) {
938 HeapObject::PrintHeader(out, "ObjectTemplateInfo");
939 PrintF(out, " - tag: ");
940 tag()->ShortPrint(out);
941 PrintF(out, "\n - property_list: ");
942 property_list()->ShortPrint(out);
943 PrintF(out, "\n - constructor: ");
944 constructor()->ShortPrint(out);
945 PrintF(out, "\n - internal_field_count: ");
946 internal_field_count()->ShortPrint(out);
951 void SignatureInfo::SignatureInfoPrint(FILE* out) {
952 HeapObject::PrintHeader(out, "SignatureInfo");
953 PrintF(out, "\n - receiver: ");
954 receiver()->ShortPrint(out);
955 PrintF(out, "\n - args: ");
956 args()->ShortPrint(out);
960 void TypeSwitchInfo::TypeSwitchInfoPrint(FILE* out) {
961 HeapObject::PrintHeader(out, "TypeSwitchInfo");
962 PrintF(out, "\n - types: ");
963 types()->ShortPrint(out);
967 void Script::ScriptPrint(FILE* out) {
968 HeapObject::PrintHeader(out, "Script");
969 PrintF(out, "\n - source: ");
970 source()->ShortPrint(out);
971 PrintF(out, "\n - name: ");
972 name()->ShortPrint(out);
973 PrintF(out, "\n - line_offset: ");
974 line_offset()->ShortPrint(out);
975 PrintF(out, "\n - column_offset: ");
976 column_offset()->ShortPrint(out);
977 PrintF(out, "\n - type: ");
978 type()->ShortPrint(out);
979 PrintF(out, "\n - id: ");
980 id()->ShortPrint(out);
981 PrintF(out, "\n - data: ");
982 data()->ShortPrint(out);
983 PrintF(out, "\n - context data: ");
984 context_data()->ShortPrint(out);
985 PrintF(out, "\n - wrapper: ");
986 wrapper()->ShortPrint(out);
987 PrintF(out, "\n - compilation type: ");
988 compilation_type()->ShortPrint(out);
989 PrintF(out, "\n - line ends: ");
990 line_ends()->ShortPrint(out);
991 PrintF(out, "\n - eval from shared: ");
992 eval_from_shared()->ShortPrint(out);
993 PrintF(out, "\n - eval from instructions offset: ");
994 eval_from_instructions_offset()->ShortPrint(out);
999 #ifdef ENABLE_DEBUGGER_SUPPORT
1000 void DebugInfo::DebugInfoPrint(FILE* out) {
1001 HeapObject::PrintHeader(out, "DebugInfo");
1002 PrintF(out, "\n - shared: ");
1003 shared()->ShortPrint(out);
1004 PrintF(out, "\n - original_code: ");
1005 original_code()->ShortPrint(out);
1006 PrintF(out, "\n - code: ");
1007 code()->ShortPrint(out);
1008 PrintF(out, "\n - break_points: ");
1009 break_points()->Print(out);
1013 void BreakPointInfo::BreakPointInfoPrint(FILE* out) {
1014 HeapObject::PrintHeader(out, "BreakPointInfo");
1015 PrintF(out, "\n - code_position: %d", code_position()->value());
1016 PrintF(out, "\n - source_position: %d", source_position()->value());
1017 PrintF(out, "\n - statement_position: %d", statement_position()->value());
1018 PrintF(out, "\n - break_point_objects: ");
1019 break_point_objects()->ShortPrint(out);
1021 #endif // ENABLE_DEBUGGER_SUPPORT
1024 void DescriptorArray::PrintDescriptors(FILE* out) {
1025 PrintF(out, "Descriptor array %d\n", number_of_descriptors());
1026 for (int i = 0; i < number_of_descriptors(); i++) {
1027 PrintF(out, " %d: ", i);
1036 #endif // OBJECT_PRINT
1039 } } // namespace v8::internal