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objects-printer.cc
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objects-printer.cc
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// Copyright 2012 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "v8.h"
#include "disassembler.h"
#include "disasm.h"
#include "jsregexp.h"
#include "objects-visiting.h"
namespace v8 {
namespace internal {
#ifdef OBJECT_PRINT
static const char* TypeToString(InstanceType type);
void MaybeObject::Print(FILE* out) {
Object* this_as_object;
if (ToObject(&this_as_object)) {
if (this_as_object->IsSmi()) {
Smi::cast(this_as_object)->SmiPrint(out);
} else {
HeapObject::cast(this_as_object)->HeapObjectPrint(out);
}
} else {
Failure::cast(this)->FailurePrint(out);
}
Flush(out);
}
void MaybeObject::PrintLn(FILE* out) {
Print(out);
PrintF(out, "\n");
}
void HeapObject::PrintHeader(FILE* out, const char* id) {
PrintF(out, "%p: [%s]\n", reinterpret_cast<void*>(this), id);
}
void HeapObject::HeapObjectPrint(FILE* out) {
InstanceType instance_type = map()->instance_type();
HandleScope scope;
if (instance_type < FIRST_NONSTRING_TYPE) {
String::cast(this)->StringPrint(out);
return;
}
switch (instance_type) {
case MAP_TYPE:
Map::cast(this)->MapPrint(out);
break;
case HEAP_NUMBER_TYPE:
HeapNumber::cast(this)->HeapNumberPrint(out);
break;
case FIXED_DOUBLE_ARRAY_TYPE:
FixedDoubleArray::cast(this)->FixedDoubleArrayPrint(out);
break;
case FIXED_ARRAY_TYPE:
FixedArray::cast(this)->FixedArrayPrint(out);
break;
case BYTE_ARRAY_TYPE:
ByteArray::cast(this)->ByteArrayPrint(out);
break;
case FREE_SPACE_TYPE:
FreeSpace::cast(this)->FreeSpacePrint(out);
break;
case EXTERNAL_PIXEL_ARRAY_TYPE:
ExternalPixelArray::cast(this)->ExternalPixelArrayPrint(out);
break;
case EXTERNAL_BYTE_ARRAY_TYPE:
ExternalByteArray::cast(this)->ExternalByteArrayPrint(out);
break;
case EXTERNAL_UNSIGNED_BYTE_ARRAY_TYPE:
ExternalUnsignedByteArray::cast(this)
->ExternalUnsignedByteArrayPrint(out);
break;
case EXTERNAL_SHORT_ARRAY_TYPE:
ExternalShortArray::cast(this)->ExternalShortArrayPrint(out);
break;
case EXTERNAL_UNSIGNED_SHORT_ARRAY_TYPE:
ExternalUnsignedShortArray::cast(this)
->ExternalUnsignedShortArrayPrint(out);
break;
case EXTERNAL_INT_ARRAY_TYPE:
ExternalIntArray::cast(this)->ExternalIntArrayPrint(out);
break;
case EXTERNAL_UNSIGNED_INT_ARRAY_TYPE:
ExternalUnsignedIntArray::cast(this)->ExternalUnsignedIntArrayPrint(out);
break;
case EXTERNAL_FLOAT_ARRAY_TYPE:
ExternalFloatArray::cast(this)->ExternalFloatArrayPrint(out);
break;
case EXTERNAL_DOUBLE_ARRAY_TYPE:
ExternalDoubleArray::cast(this)->ExternalDoubleArrayPrint(out);
break;
case FILLER_TYPE:
PrintF(out, "filler");
break;
case JS_OBJECT_TYPE: // fall through
case JS_CONTEXT_EXTENSION_OBJECT_TYPE:
case JS_ARRAY_TYPE:
case JS_REGEXP_TYPE:
JSObject::cast(this)->JSObjectPrint(out);
break;
case ODDBALL_TYPE:
Oddball::cast(this)->to_string()->Print(out);
break;
case JS_MODULE_TYPE:
JSModule::cast(this)->JSModulePrint(out);
break;
case JS_FUNCTION_TYPE:
JSFunction::cast(this)->JSFunctionPrint(out);
break;
case JS_GLOBAL_PROXY_TYPE:
JSGlobalProxy::cast(this)->JSGlobalProxyPrint(out);
break;
case JS_GLOBAL_OBJECT_TYPE:
JSGlobalObject::cast(this)->JSGlobalObjectPrint(out);
break;
case JS_BUILTINS_OBJECT_TYPE:
JSBuiltinsObject::cast(this)->JSBuiltinsObjectPrint(out);
break;
case JS_VALUE_TYPE:
PrintF(out, "Value wrapper around:");
JSValue::cast(this)->value()->Print(out);
break;
case JS_DATE_TYPE:
JSDate::cast(this)->JSDatePrint(out);
break;
case CODE_TYPE:
Code::cast(this)->CodePrint(out);
break;
case JS_PROXY_TYPE:
JSProxy::cast(this)->JSProxyPrint(out);
break;
case JS_FUNCTION_PROXY_TYPE:
JSFunctionProxy::cast(this)->JSFunctionProxyPrint(out);
break;
case JS_WEAK_MAP_TYPE:
JSWeakMap::cast(this)->JSWeakMapPrint(out);
break;
case FOREIGN_TYPE:
Foreign::cast(this)->ForeignPrint(out);
break;
case SHARED_FUNCTION_INFO_TYPE:
SharedFunctionInfo::cast(this)->SharedFunctionInfoPrint(out);
break;
case JS_MESSAGE_OBJECT_TYPE:
JSMessageObject::cast(this)->JSMessageObjectPrint(out);
break;
case JS_GLOBAL_PROPERTY_CELL_TYPE:
JSGlobalPropertyCell::cast(this)->JSGlobalPropertyCellPrint(out);
break;
#define MAKE_STRUCT_CASE(NAME, Name, name) \
case NAME##_TYPE: \
Name::cast(this)->Name##Print(out); \
break;
STRUCT_LIST(MAKE_STRUCT_CASE)
#undef MAKE_STRUCT_CASE
default:
PrintF(out, "UNKNOWN TYPE %d", map()->instance_type());
UNREACHABLE();
break;
}
}
void ByteArray::ByteArrayPrint(FILE* out) {
PrintF(out, "byte array, data starts at %p", GetDataStartAddress());
}
void FreeSpace::FreeSpacePrint(FILE* out) {
PrintF(out, "free space, size %d", Size());
}
void ExternalPixelArray::ExternalPixelArrayPrint(FILE* out) {
PrintF(out, "external pixel array");
}
void ExternalByteArray::ExternalByteArrayPrint(FILE* out) {
PrintF(out, "external byte array");
}
void ExternalUnsignedByteArray::ExternalUnsignedByteArrayPrint(FILE* out) {
PrintF(out, "external unsigned byte array");
}
void ExternalShortArray::ExternalShortArrayPrint(FILE* out) {
PrintF(out, "external short array");
}
void ExternalUnsignedShortArray::ExternalUnsignedShortArrayPrint(FILE* out) {
PrintF(out, "external unsigned short array");
}
void ExternalIntArray::ExternalIntArrayPrint(FILE* out) {
PrintF(out, "external int array");
}
void ExternalUnsignedIntArray::ExternalUnsignedIntArrayPrint(FILE* out) {
PrintF(out, "external unsigned int array");
}
void ExternalFloatArray::ExternalFloatArrayPrint(FILE* out) {
PrintF(out, "external float array");
}
void ExternalDoubleArray::ExternalDoubleArrayPrint(FILE* out) {
PrintF(out, "external double array");
}
void JSObject::PrintProperties(FILE* out) {
if (HasFastProperties()) {
DescriptorArray* descs = map()->instance_descriptors();
for (int i = 0; i < map()->NumberOfOwnDescriptors(); i++) {
PrintF(out, " ");
descs->GetKey(i)->StringPrint(out);
PrintF(out, ": ");
switch (descs->GetType(i)) {
case FIELD: {
int index = descs->GetFieldIndex(i);
FastPropertyAt(index)->ShortPrint(out);
PrintF(out, " (field at offset %d)\n", index);
break;
}
case CONSTANT_FUNCTION:
descs->GetConstantFunction(i)->ShortPrint(out);
PrintF(out, " (constant function)\n");
break;
case CALLBACKS:
descs->GetCallbacksObject(i)->ShortPrint(out);
PrintF(out, " (callback)\n");
break;
case NORMAL: // only in slow mode
case HANDLER: // only in lookup results, not in descriptors
case INTERCEPTOR: // only in lookup results, not in descriptors
// There are no transitions in the descriptor array.
case TRANSITION:
case NONEXISTENT:
UNREACHABLE();
break;
}
}
} else {
property_dictionary()->Print(out);
}
}
void JSObject::PrintElements(FILE* out) {
// Don't call GetElementsKind, its validation code can cause the printer to
// fail when debugging.
switch (map()->elements_kind()) {
case FAST_HOLEY_SMI_ELEMENTS:
case FAST_SMI_ELEMENTS:
case FAST_HOLEY_ELEMENTS:
case FAST_ELEMENTS: {
// Print in array notation for non-sparse arrays.
FixedArray* p = FixedArray::cast(elements());
for (int i = 0; i < p->length(); i++) {
PrintF(out, " %d: ", i);
p->get(i)->ShortPrint(out);
PrintF(out, "\n");
}
break;
}
case FAST_HOLEY_DOUBLE_ELEMENTS:
case FAST_DOUBLE_ELEMENTS: {
// Print in array notation for non-sparse arrays.
if (elements()->length() > 0) {
FixedDoubleArray* p = FixedDoubleArray::cast(elements());
for (int i = 0; i < p->length(); i++) {
if (p->is_the_hole(i)) {
PrintF(out, " %d: <the hole>", i);
} else {
PrintF(out, " %d: %g", i, p->get_scalar(i));
}
PrintF(out, "\n");
}
}
break;
}
case EXTERNAL_PIXEL_ELEMENTS: {
ExternalPixelArray* p = ExternalPixelArray::cast(elements());
for (int i = 0; i < p->length(); i++) {
PrintF(out, " %d: %d\n", i, p->get_scalar(i));
}
break;
}
case EXTERNAL_BYTE_ELEMENTS: {
ExternalByteArray* p = ExternalByteArray::cast(elements());
for (int i = 0; i < p->length(); i++) {
PrintF(out, " %d: %d\n", i, static_cast<int>(p->get_scalar(i)));
}
break;
}
case EXTERNAL_UNSIGNED_BYTE_ELEMENTS: {
ExternalUnsignedByteArray* p =
ExternalUnsignedByteArray::cast(elements());
for (int i = 0; i < p->length(); i++) {
PrintF(out, " %d: %d\n", i, static_cast<int>(p->get_scalar(i)));
}
break;
}
case EXTERNAL_SHORT_ELEMENTS: {
ExternalShortArray* p = ExternalShortArray::cast(elements());
for (int i = 0; i < p->length(); i++) {
PrintF(out, " %d: %d\n", i, static_cast<int>(p->get_scalar(i)));
}
break;
}
case EXTERNAL_UNSIGNED_SHORT_ELEMENTS: {
ExternalUnsignedShortArray* p =
ExternalUnsignedShortArray::cast(elements());
for (int i = 0; i < p->length(); i++) {
PrintF(out, " %d: %d\n", i, static_cast<int>(p->get_scalar(i)));
}
break;
}
case EXTERNAL_INT_ELEMENTS: {
ExternalIntArray* p = ExternalIntArray::cast(elements());
for (int i = 0; i < p->length(); i++) {
PrintF(out, " %d: %d\n", i, static_cast<int>(p->get_scalar(i)));
}
break;
}
case EXTERNAL_UNSIGNED_INT_ELEMENTS: {
ExternalUnsignedIntArray* p =
ExternalUnsignedIntArray::cast(elements());
for (int i = 0; i < p->length(); i++) {
PrintF(out, " %d: %d\n", i, static_cast<int>(p->get_scalar(i)));
}
break;
}
case EXTERNAL_FLOAT_ELEMENTS: {
ExternalFloatArray* p = ExternalFloatArray::cast(elements());
for (int i = 0; i < p->length(); i++) {
PrintF(out, " %d: %f\n", i, p->get_scalar(i));
}
break;
}
case EXTERNAL_DOUBLE_ELEMENTS: {
ExternalDoubleArray* p = ExternalDoubleArray::cast(elements());
for (int i = 0; i < p->length(); i++) {
PrintF(out, " %d: %f\n", i, p->get_scalar(i));
}
break;
}
case DICTIONARY_ELEMENTS:
elements()->Print(out);
break;
case NON_STRICT_ARGUMENTS_ELEMENTS: {
FixedArray* p = FixedArray::cast(elements());
for (int i = 2; i < p->length(); i++) {
PrintF(out, " %d: ", i);
p->get(i)->ShortPrint(out);
PrintF(out, "\n");
}
break;
}
}
}
void JSObject::PrintTransitions(FILE* out) {
if (!map()->HasTransitionArray()) return;
TransitionArray* transitions = map()->transitions();
for (int i = 0; i < transitions->number_of_transitions(); i++) {
PrintF(out, " ");
transitions->GetKey(i)->StringPrint(out);
PrintF(out, ": ");
switch (transitions->GetTargetDetails(i).type()) {
case FIELD: {
PrintF(out, " (transition to field)\n");
break;
}
case CONSTANT_FUNCTION:
PrintF(out, " (transition to constant function)\n");
break;
case CALLBACKS:
PrintF(out, " (transition to callback)\n");
break;
// Values below are never in the target descriptor array.
case NORMAL:
case HANDLER:
case INTERCEPTOR:
case TRANSITION:
case NONEXISTENT:
UNREACHABLE();
break;
}
}
}
void JSObject::JSObjectPrint(FILE* out) {
PrintF(out, "%p: [JSObject]\n", reinterpret_cast<void*>(this));
PrintF(out, " - map = %p [", reinterpret_cast<void*>(map()));
// Don't call GetElementsKind, its validation code can cause the printer to
// fail when debugging.
PrintElementsKind(out, this->map()->elements_kind());
PrintF(out,
"]\n - prototype = %p\n",
reinterpret_cast<void*>(GetPrototype()));
PrintF(out, " {\n");
PrintProperties(out);
PrintTransitions(out);
PrintElements(out);
PrintF(out, " }\n");
}
void JSModule::JSModulePrint(FILE* out) {
HeapObject::PrintHeader(out, "JSModule");
PrintF(out, " - map = 0x%p\n", reinterpret_cast<void*>(map()));
PrintF(out, " - context = ");
context()->Print(out);
PrintF(out, " - scope_info = ");
scope_info()->ShortPrint(out);
PrintElementsKind(out, this->map()->elements_kind());
PrintF(out, " {\n");
PrintProperties(out);
PrintElements(out);
PrintF(out, " }\n");
}
static const char* TypeToString(InstanceType type) {
switch (type) {
case INVALID_TYPE: return "INVALID";
case MAP_TYPE: return "MAP";
case HEAP_NUMBER_TYPE: return "HEAP_NUMBER";
case SYMBOL_TYPE: return "SYMBOL";
case ASCII_SYMBOL_TYPE: return "ASCII_SYMBOL";
case CONS_SYMBOL_TYPE: return "CONS_SYMBOL";
case CONS_ASCII_SYMBOL_TYPE: return "CONS_ASCII_SYMBOL";
case EXTERNAL_ASCII_SYMBOL_TYPE:
case EXTERNAL_SYMBOL_WITH_ASCII_DATA_TYPE:
case EXTERNAL_SYMBOL_TYPE: return "EXTERNAL_SYMBOL";
case SHORT_EXTERNAL_ASCII_SYMBOL_TYPE:
case SHORT_EXTERNAL_SYMBOL_WITH_ASCII_DATA_TYPE:
case SHORT_EXTERNAL_SYMBOL_TYPE: return "SHORT_EXTERNAL_SYMBOL";
case ASCII_STRING_TYPE: return "ASCII_STRING";
case STRING_TYPE: return "TWO_BYTE_STRING";
case CONS_STRING_TYPE:
case CONS_ASCII_STRING_TYPE: return "CONS_STRING";
case EXTERNAL_ASCII_STRING_TYPE:
case EXTERNAL_STRING_WITH_ASCII_DATA_TYPE:
case EXTERNAL_STRING_TYPE: return "EXTERNAL_STRING";
case SHORT_EXTERNAL_ASCII_STRING_TYPE:
case SHORT_EXTERNAL_STRING_WITH_ASCII_DATA_TYPE:
case SHORT_EXTERNAL_STRING_TYPE: return "SHORT_EXTERNAL_STRING";
case FIXED_ARRAY_TYPE: return "FIXED_ARRAY";
case BYTE_ARRAY_TYPE: return "BYTE_ARRAY";
case FREE_SPACE_TYPE: return "FREE_SPACE";
case EXTERNAL_PIXEL_ARRAY_TYPE: return "EXTERNAL_PIXEL_ARRAY";
case EXTERNAL_BYTE_ARRAY_TYPE: return "EXTERNAL_BYTE_ARRAY";
case EXTERNAL_UNSIGNED_BYTE_ARRAY_TYPE:
return "EXTERNAL_UNSIGNED_BYTE_ARRAY";
case EXTERNAL_SHORT_ARRAY_TYPE: return "EXTERNAL_SHORT_ARRAY";
case EXTERNAL_UNSIGNED_SHORT_ARRAY_TYPE:
return "EXTERNAL_UNSIGNED_SHORT_ARRAY";
case EXTERNAL_INT_ARRAY_TYPE: return "EXTERNAL_INT_ARRAY";
case EXTERNAL_UNSIGNED_INT_ARRAY_TYPE:
return "EXTERNAL_UNSIGNED_INT_ARRAY";
case EXTERNAL_FLOAT_ARRAY_TYPE: return "EXTERNAL_FLOAT_ARRAY";
case EXTERNAL_DOUBLE_ARRAY_TYPE: return "EXTERNAL_DOUBLE_ARRAY";
case FILLER_TYPE: return "FILLER";
case JS_OBJECT_TYPE: return "JS_OBJECT";
case JS_CONTEXT_EXTENSION_OBJECT_TYPE: return "JS_CONTEXT_EXTENSION_OBJECT";
case ODDBALL_TYPE: return "ODDBALL";
case JS_GLOBAL_PROPERTY_CELL_TYPE: return "JS_GLOBAL_PROPERTY_CELL";
case SHARED_FUNCTION_INFO_TYPE: return "SHARED_FUNCTION_INFO";
case JS_MODULE_TYPE: return "JS_MODULE";
case JS_FUNCTION_TYPE: return "JS_FUNCTION";
case CODE_TYPE: return "CODE";
case JS_ARRAY_TYPE: return "JS_ARRAY";
case JS_PROXY_TYPE: return "JS_PROXY";
case JS_WEAK_MAP_TYPE: return "JS_WEAK_MAP";
case JS_REGEXP_TYPE: return "JS_REGEXP";
case JS_VALUE_TYPE: return "JS_VALUE";
case JS_GLOBAL_OBJECT_TYPE: return "JS_GLOBAL_OBJECT";
case JS_BUILTINS_OBJECT_TYPE: return "JS_BUILTINS_OBJECT";
case JS_GLOBAL_PROXY_TYPE: return "JS_GLOBAL_PROXY";
case FOREIGN_TYPE: return "FOREIGN";
case JS_MESSAGE_OBJECT_TYPE: return "JS_MESSAGE_OBJECT_TYPE";
#define MAKE_STRUCT_CASE(NAME, Name, name) case NAME##_TYPE: return #NAME;
STRUCT_LIST(MAKE_STRUCT_CASE)
#undef MAKE_STRUCT_CASE
default: return "UNKNOWN";
}
}
void Map::MapPrint(FILE* out) {
HeapObject::PrintHeader(out, "Map");
PrintF(out, " - type: %s\n", TypeToString(instance_type()));
PrintF(out, " - instance size: %d\n", instance_size());
PrintF(out, " - inobject properties: %d\n", inobject_properties());
PrintF(out, " - elements kind: ");
PrintElementsKind(out, elements_kind());
PrintF(out, "\n - pre-allocated property fields: %d\n",
pre_allocated_property_fields());
PrintF(out, " - unused property fields: %d\n", unused_property_fields());
if (is_hidden_prototype()) {
PrintF(out, " - hidden_prototype\n");
}
if (has_named_interceptor()) {
PrintF(out, " - named_interceptor\n");
}
if (has_indexed_interceptor()) {
PrintF(out, " - indexed_interceptor\n");
}
if (is_undetectable()) {
PrintF(out, " - undetectable\n");
}
if (has_instance_call_handler()) {
PrintF(out, " - instance_call_handler\n");
}
if (is_access_check_needed()) {
PrintF(out, " - access_check_needed\n");
}
PrintF(out, " - back pointer: ");
GetBackPointer()->ShortPrint(out);
PrintF(out, "\n - instance descriptors %i #%i %i: ",
owns_descriptors(),
NumberOfOwnDescriptors(),
StoresOwnDescriptors());
instance_descriptors()->ShortPrint(out);
if (HasTransitionArray()) {
PrintF(out, "\n - transitions: ");
transitions()->ShortPrint(out);
}
PrintF(out, "\n - prototype: ");
prototype()->ShortPrint(out);
PrintF(out, "\n - constructor: ");
constructor()->ShortPrint(out);
PrintF(out, "\n - code cache: ");
code_cache()->ShortPrint(out);
PrintF(out, "\n");
}
void CodeCache::CodeCachePrint(FILE* out) {
HeapObject::PrintHeader(out, "CodeCache");
PrintF(out, "\n - default_cache: ");
default_cache()->ShortPrint(out);
PrintF(out, "\n - normal_type_cache: ");
normal_type_cache()->ShortPrint(out);
}
void PolymorphicCodeCache::PolymorphicCodeCachePrint(FILE* out) {
HeapObject::PrintHeader(out, "PolymorphicCodeCache");
PrintF(out, "\n - cache: ");
cache()->ShortPrint(out);
}
void TypeFeedbackInfo::TypeFeedbackInfoPrint(FILE* out) {
HeapObject::PrintHeader(out, "TypeFeedbackInfo");
PrintF(out, " - ic_total_count: %d, ic_with_type_info_count: %d\n",
ic_total_count(), ic_with_type_info_count());
PrintF(out, " - type_feedback_cells: ");
type_feedback_cells()->FixedArrayPrint(out);
}
void AliasedArgumentsEntry::AliasedArgumentsEntryPrint(FILE* out) {
HeapObject::PrintHeader(out, "AliasedArgumentsEntry");
PrintF(out, "\n - aliased_context_slot: %d", aliased_context_slot());
}
void FixedArray::FixedArrayPrint(FILE* out) {
HeapObject::PrintHeader(out, "FixedArray");
PrintF(out, " - length: %d", length());
for (int i = 0; i < length(); i++) {
PrintF(out, "\n [%d]: ", i);
get(i)->ShortPrint(out);
}
PrintF(out, "\n");
}
void FixedDoubleArray::FixedDoubleArrayPrint(FILE* out) {
HeapObject::PrintHeader(out, "FixedDoubleArray");
PrintF(out, " - length: %d", length());
for (int i = 0; i < length(); i++) {
if (is_the_hole(i)) {
PrintF(out, "\n [%d]: <the hole>", i);
} else {
PrintF(out, "\n [%d]: %g", i, get_scalar(i));
}
}
PrintF(out, "\n");
}
void JSValue::JSValuePrint(FILE* out) {
HeapObject::PrintHeader(out, "ValueObject");
value()->Print(out);
}
void JSMessageObject::JSMessageObjectPrint(FILE* out) {
HeapObject::PrintHeader(out, "JSMessageObject");
PrintF(out, " - type: ");
type()->ShortPrint(out);
PrintF(out, "\n - arguments: ");
arguments()->ShortPrint(out);
PrintF(out, "\n - start_position: %d", start_position());
PrintF(out, "\n - end_position: %d", end_position());
PrintF(out, "\n - script: ");
script()->ShortPrint(out);
PrintF(out, "\n - stack_trace: ");
stack_trace()->ShortPrint(out);
PrintF(out, "\n - stack_frames: ");
stack_frames()->ShortPrint(out);
PrintF(out, "\n");
}
void String::StringPrint(FILE* out) {
if (StringShape(this).IsSymbol()) {
PrintF(out, "#");
} else if (StringShape(this).IsCons()) {
PrintF(out, "c\"");
} else {
PrintF(out, "\"");
}
const char truncated_epilogue[] = "...<truncated>";
int len = length();
if (!FLAG_use_verbose_printer) {
if (len > 100) {
len = 100 - sizeof(truncated_epilogue);
}
}
for (int i = 0; i < len; i++) {
PrintF(out, "%c", Get(i));
}
if (len != length()) {
PrintF(out, "%s", truncated_epilogue);
}
if (!StringShape(this).IsSymbol()) PrintF(out, "\"");
}
// This method is only meant to be called from gdb for debugging purposes.
// Since the string can also be in two-byte encoding, non-ASCII characters
// will be ignored in the output.
char* String::ToAsciiArray() {
// Static so that subsequent calls frees previously allocated space.
// This also means that previous results will be overwritten.
static char* buffer = NULL;
if (buffer != NULL) free(buffer);
buffer = new char[length()+1];
WriteToFlat(this, buffer, 0, length());
buffer[length()] = 0;
return buffer;
}
static const char* const weekdays[] = {
"???", "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
};
void JSDate::JSDatePrint(FILE* out) {
HeapObject::PrintHeader(out, "JSDate");
PrintF(out, " - map = 0x%p\n", reinterpret_cast<void*>(map()));
PrintF(out, " - value = ");
value()->Print(out);
if (!year()->IsSmi()) {
PrintF(out, " - time = NaN\n");
} else {
PrintF(out, " - time = %s %04d/%02d/%02d %02d:%02d:%02d\n",
weekdays[weekday()->IsSmi() ? Smi::cast(weekday())->value() + 1 : 0],
year()->IsSmi() ? Smi::cast(year())->value() : -1,
month()->IsSmi() ? Smi::cast(month())->value() : -1,
day()->IsSmi() ? Smi::cast(day())->value() : -1,
hour()->IsSmi() ? Smi::cast(hour())->value() : -1,
min()->IsSmi() ? Smi::cast(min())->value() : -1,
sec()->IsSmi() ? Smi::cast(sec())->value() : -1);
}
}
void JSProxy::JSProxyPrint(FILE* out) {
HeapObject::PrintHeader(out, "JSProxy");
PrintF(out, " - map = 0x%p\n", reinterpret_cast<void*>(map()));
PrintF(out, " - handler = ");
handler()->Print(out);
PrintF(out, " - hash = ");
hash()->Print(out);
PrintF(out, "\n");
}
void JSFunctionProxy::JSFunctionProxyPrint(FILE* out) {
HeapObject::PrintHeader(out, "JSFunctionProxy");
PrintF(out, " - map = 0x%p\n", reinterpret_cast<void*>(map()));
PrintF(out, " - handler = ");
handler()->Print(out);
PrintF(out, " - call_trap = ");
call_trap()->Print(out);
PrintF(out, " - construct_trap = ");
construct_trap()->Print(out);
PrintF(out, "\n");
}
void JSWeakMap::JSWeakMapPrint(FILE* out) {
HeapObject::PrintHeader(out, "JSWeakMap");
PrintF(out, " - map = 0x%p\n", reinterpret_cast<void*>(map()));
PrintF(out, " - table = ");
table()->ShortPrint(out);
PrintF(out, "\n");
}
void JSFunction::JSFunctionPrint(FILE* out) {
HeapObject::PrintHeader(out, "Function");
PrintF(out, " - map = 0x%p\n", reinterpret_cast<void*>(map()));
PrintF(out, " - initial_map = ");
if (has_initial_map()) {
initial_map()->ShortPrint(out);
}
PrintF(out, "\n - shared_info = ");
shared()->ShortPrint(out);
PrintF(out, "\n - name = ");
shared()->name()->Print(out);
PrintF(out, "\n - context = ");
unchecked_context()->ShortPrint(out);
PrintF(out, "\n - literals = ");
literals()->ShortPrint(out);
PrintF(out, "\n - code = ");
code()->ShortPrint(out);
PrintF(out, "\n");
PrintProperties(out);
PrintElements(out);
PrintF(out, "\n");
}
void SharedFunctionInfo::SharedFunctionInfoPrint(FILE* out) {
HeapObject::PrintHeader(out, "SharedFunctionInfo");
PrintF(out, " - name: ");
name()->ShortPrint(out);
PrintF(out, "\n - expected_nof_properties: %d", expected_nof_properties());
PrintF(out, "\n - instance class name = ");
instance_class_name()->Print(out);
PrintF(out, "\n - code = ");
code()->ShortPrint(out);
if (HasSourceCode()) {
PrintF(out, "\n - source code = ");
String* source = String::cast(Script::cast(script())->source());
int start = start_position();
int length = end_position() - start;
SmartArrayPointer<char> source_string =
source->ToCString(DISALLOW_NULLS,
FAST_STRING_TRAVERSAL,
start, length, NULL);
PrintF(out, "%s", *source_string);
}
// Script files are often large, hard to read.
// PrintF(out, "\n - script =");
// script()->Print(out);
PrintF(out, "\n - function token position = %d", function_token_position());
PrintF(out, "\n - start position = %d", start_position());
PrintF(out, "\n - end position = %d", end_position());
PrintF(out, "\n - is expression = %d", is_expression());
PrintF(out, "\n - debug info = ");
debug_info()->ShortPrint(out);
PrintF(out, "\n - length = %d", length());
PrintF(out, "\n - has_only_simple_this_property_assignments = %d",
has_only_simple_this_property_assignments());
PrintF(out, "\n - this_property_assignments = ");
this_property_assignments()->ShortPrint(out);
PrintF(out, "\n");
}
void JSGlobalProxy::JSGlobalProxyPrint(FILE* out) {
PrintF(out, "global_proxy ");
JSObjectPrint(out);
PrintF(out, "native context : ");
native_context()->ShortPrint(out);
PrintF(out, "\n");
}
void JSGlobalObject::JSGlobalObjectPrint(FILE* out) {
PrintF(out, "global ");
JSObjectPrint(out);
PrintF(out, "native context : ");
native_context()->ShortPrint(out);
PrintF(out, "\n");
}
void JSBuiltinsObject::JSBuiltinsObjectPrint(FILE* out) {
PrintF(out, "builtins ");
JSObjectPrint(out);
}
void JSGlobalPropertyCell::JSGlobalPropertyCellPrint(FILE* out) {
HeapObject::PrintHeader(out, "JSGlobalPropertyCell");
}
void Code::CodePrint(FILE* out) {
HeapObject::PrintHeader(out, "Code");
#ifdef ENABLE_DISASSEMBLER
if (FLAG_use_verbose_printer) {
Disassemble(NULL, out);
}
#endif
}
void Foreign::ForeignPrint(FILE* out) {
PrintF(out, "foreign address : %p", foreign_address());
}
void AccessorInfo::AccessorInfoPrint(FILE* out) {
HeapObject::PrintHeader(out, "AccessorInfo");
PrintF(out, "\n - getter: ");
getter()->ShortPrint(out);
PrintF(out, "\n - setter: ");
setter()->ShortPrint(out);
PrintF(out, "\n - name: ");
name()->ShortPrint(out);
PrintF(out, "\n - data: ");
data()->ShortPrint(out);
PrintF(out, "\n - flag: ");
flag()->ShortPrint(out);
}
void AccessorPair::AccessorPairPrint(FILE* out) {
HeapObject::PrintHeader(out, "AccessorPair");
PrintF(out, "\n - getter: ");
getter()->ShortPrint(out);
PrintF(out, "\n - setter: ");
setter()->ShortPrint(out);
}
void AccessCheckInfo::AccessCheckInfoPrint(FILE* out) {
HeapObject::PrintHeader(out, "AccessCheckInfo");
PrintF(out, "\n - named_callback: ");
named_callback()->ShortPrint(out);
PrintF(out, "\n - indexed_callback: ");
indexed_callback()->ShortPrint(out);
PrintF(out, "\n - data: ");
data()->ShortPrint(out);
}
void InterceptorInfo::InterceptorInfoPrint(FILE* out) {
HeapObject::PrintHeader(out, "InterceptorInfo");
PrintF(out, "\n - getter: ");
getter()->ShortPrint(out);
PrintF(out, "\n - setter: ");
setter()->ShortPrint(out);
PrintF(out, "\n - query: ");
query()->ShortPrint(out);
PrintF(out, "\n - deleter: ");
deleter()->ShortPrint(out);
PrintF(out, "\n - enumerator: ");
enumerator()->ShortPrint(out);
PrintF(out, "\n - data: ");
data()->ShortPrint(out);
}
void CallHandlerInfo::CallHandlerInfoPrint(FILE* out) {
HeapObject::PrintHeader(out, "CallHandlerInfo");
PrintF(out, "\n - callback: ");
callback()->ShortPrint(out);
PrintF(out, "\n - data: ");
data()->ShortPrint(out);
PrintF(out, "\n - call_stub_cache: ");
}
void FunctionTemplateInfo::FunctionTemplateInfoPrint(FILE* out) {
HeapObject::PrintHeader(out, "FunctionTemplateInfo");
PrintF(out, "\n - class name: ");
class_name()->ShortPrint(out);
PrintF(out, "\n - tag: ");
tag()->ShortPrint(out);
PrintF(out, "\n - property_list: ");
property_list()->ShortPrint(out);
PrintF(out, "\n - serial_number: ");
serial_number()->ShortPrint(out);
PrintF(out, "\n - call_code: ");
call_code()->ShortPrint(out);
PrintF(out, "\n - property_accessors: ");
property_accessors()->ShortPrint(out);
PrintF(out, "\n - prototype_template: ");
prototype_template()->ShortPrint(out);
PrintF(out, "\n - parent_template: ");
parent_template()->ShortPrint(out);
PrintF(out, "\n - named_property_handler: ");
named_property_handler()->ShortPrint(out);
PrintF(out, "\n - indexed_property_handler: ");
indexed_property_handler()->ShortPrint(out);
PrintF(out, "\n - instance_template: ");
instance_template()->ShortPrint(out);
PrintF(out, "\n - signature: ");
signature()->ShortPrint(out);
PrintF(out, "\n - access_check_info: ");
access_check_info()->ShortPrint(out);
PrintF(out, "\n - hidden_prototype: %s",
hidden_prototype() ? "true" : "false");
PrintF(out, "\n - undetectable: %s", undetectable() ? "true" : "false");
PrintF(out, "\n - need_access_check: %s",
needs_access_check() ? "true" : "false");
}
void ObjectTemplateInfo::ObjectTemplateInfoPrint(FILE* out) {
HeapObject::PrintHeader(out, "ObjectTemplateInfo");
PrintF(out, " - tag: ");
tag()->ShortPrint(out);
PrintF(out, "\n - property_list: ");
property_list()->ShortPrint(out);
PrintF(out, "\n - constructor: ");
constructor()->ShortPrint(out);
PrintF(out, "\n - internal_field_count: ");
internal_field_count()->ShortPrint(out);
PrintF(out, "\n");
}
void SignatureInfo::SignatureInfoPrint(FILE* out) {
HeapObject::PrintHeader(out, "SignatureInfo");
PrintF(out, "\n - receiver: ");
receiver()->ShortPrint(out);
PrintF(out, "\n - args: ");
args()->ShortPrint(out);
}
void TypeSwitchInfo::TypeSwitchInfoPrint(FILE* out) {
HeapObject::PrintHeader(out, "TypeSwitchInfo");
PrintF(out, "\n - types: ");
types()->ShortPrint(out);
}