[api] Make ObjectTemplate::SetNativeDataProperty() work even if the ObjectTemplate does not have a …

src/objects-printer.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/objects.h"
 
 #include "src/disasm.h"
 #include "src/disassembler.h"
 #include "src/interpreter/bytecodes.h"
 #include "src/objects-inl.h"
@@ skipping 15 matching lines @@
 void Object::Print(std::ostream& os) {  // NOLINT
   if (IsSmi()) {
     Smi::cast(this)->SmiPrint(os);
   } else {
     HeapObject::cast(this)->HeapObjectPrint(os);
   }
 }
 
 
 void HeapObject::PrintHeader(std::ostream& os, const char* id) {  // NOLINT
-  os << reinterpret_cast<void*>(this) << ": [" << id << "]\n";
+  os << reinterpret_cast<void*>(this) << ": [" << id << "]";
 }
 
 
 void HeapObject::HeapObjectPrint(std::ostream& os) {  // NOLINT
   InstanceType instance_type = map()->instance_type();
 
   HandleScope scope(GetIsolate());
   if (instance_type < FIRST_NONSTRING_TYPE) {
     String::cast(this)->StringPrint(os);
     return;
@@ skipping 341 matching lines @@
   }
 }
 
 
 static void JSObjectPrintHeader(std::ostream& os, JSObject* obj,
                                 const char* id) {  // NOLINT
   obj->PrintHeader(os, id);
   // Don't call GetElementsKind, its validation code can cause the printer to
   // fail when debugging.
   PrototypeIterator iter(obj->GetIsolate(), obj);
-  os << " - map = " << reinterpret_cast<void*>(obj->map()) << " ["
+  os << "\n - map = " << reinterpret_cast<void*>(obj->map()) << " ["
      << ElementsKindToString(obj->map()->elements_kind())
      << "]\n - prototype = " << reinterpret_cast<void*>(iter.GetCurrent());
 }
 
 
 static void JSObjectPrintBody(std::ostream& os, JSObject* obj,  // NOLINT
                               bool print_elements = true) {
   os << "\n {";
   obj->PrintProperties(os);
   obj->PrintTransitions(os);
@@ skipping 18 matching lines @@
 void JSModule::JSModulePrint(std::ostream& os) {  // NOLINT
   JSObjectPrintHeader(os, this, "JSModule");
   os << "\n - context = " << Brief(context());
   os << " - scope_info = " << Brief(scope_info());
   JSObjectPrintBody(os, this);
 }
 
 
 void Symbol::SymbolPrint(std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "Symbol");
-  os << " - hash: " << Hash();
+  os << "\n - hash: " << Hash();
   os << "\n - name: " << Brief(name());
   if (name()->IsUndefined()) {
     os << " (" << PrivateSymbolToName() << ")";
   }
   os << "\n - private: " << is_private();
   os << "\n";
 }
 
 
 void Map::MapPrint(std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "Map");
-  os << " - type: " << instance_type() << "\n";
-  os << " - instance size: " << instance_size() << "\n";
+  os << "\n - type: " << instance_type();
+  os << "\n - instance size: " << instance_size();
   if (IsJSObjectMap()) {
-    os << " - inobject properties: " << GetInObjectProperties() << "\n";
+    os << "\n - inobject properties: " << GetInObjectProperties();
   }
-  os << " - elements kind: " << ElementsKindToString(elements_kind()) << "\n";
-  os << " - unused property fields: " << unused_property_fields() << "\n";
-  if (is_deprecated()) os << " - deprecated_map\n";
-  if (is_stable()) os << " - stable_map\n";
-  if (is_dictionary_map()) os << " - dictionary_map\n";
-  if (is_hidden_prototype()) os << " - hidden_prototype\n";
-  if (has_named_interceptor()) os << " - named_interceptor\n";
-  if (has_indexed_interceptor()) os << " - indexed_interceptor\n";
-  if (is_undetectable()) os << " - undetectable\n";
-  if (is_callable()) os << " - callable\n";
-  if (is_constructor()) os << " - constructor\n";
-  if (is_access_check_needed()) os << " - access_check_needed\n";
-  if (!is_extensible()) os << " - non-extensible\n";
-  if (is_observed()) os << " - observed\n";
-  if (is_strong()) os << " - strong_map\n";
+  os << "\n - elements kind: " << ElementsKindToString(elements_kind());
+  os << "\n - unused property fields: " << unused_property_fields();
+  if (is_deprecated()) os << "\n - deprecated_map";
+  if (is_stable()) os << "\n - stable_map";
+  if (is_dictionary_map()) os << "\n - dictionary_map";
+  if (is_hidden_prototype()) os << "\n - hidden_prototype";
+  if (has_named_interceptor()) os << " - named_interceptor";
+  if (has_indexed_interceptor()) os << "\n - indexed_interceptor";
+  if (is_undetectable()) os << "\n - undetectable";
+  if (is_callable()) os << "\n - callable";
+  if (is_constructor()) os << "\n - constructor";
+  if (is_access_check_needed()) os << "\n - access_check_needed";
+  if (!is_extensible()) os << "\n - non-extensible";
+  if (is_observed()) os << "\n - observed";
+  if (is_strong()) os << "\n - strong_map";
   if (is_prototype_map()) {
-    os << " - prototype_map\n";
-    os << " - prototype info: " << Brief(prototype_info());
+    os << "\n - prototype_map";
+    os << "\n - prototype info: " << Brief(prototype_info());
   } else {
-    os << " - back pointer: " << Brief(GetBackPointer());
+    os << "\n - back pointer: " << Brief(GetBackPointer());
   }
   os << "\n - instance descriptors " << (owns_descriptors() ? "(own) " : "")
      << "#" << NumberOfOwnDescriptors() << ": "
      << Brief(instance_descriptors());
   if (FLAG_unbox_double_fields) {
     os << "\n - layout descriptor: " << Brief(layout_descriptor());
   }
   int nof_transitions = TransitionArray::NumberOfTransitions(raw_transitions());
   if (nof_transitions > 0) {
     os << "\n - transitions #" << nof_transitions << ": "
@@ skipping 18 matching lines @@
 
 void PolymorphicCodeCache::PolymorphicCodeCachePrint(
     std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "PolymorphicCodeCache");
   os << "\n - cache: " << Brief(cache());
 }
 
 
 void TypeFeedbackInfo::TypeFeedbackInfoPrint(std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "TypeFeedbackInfo");
-  os << " - ic_total_count: " << ic_total_count()
+  os << "\n - ic_total_count: " << ic_total_count()
      << ", ic_with_type_info_count: " << ic_with_type_info_count()
      << ", ic_generic_count: " << ic_generic_count() << "\n";
 }
 
 
 void AliasedArgumentsEntry::AliasedArgumentsEntryPrint(
     std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "AliasedArgumentsEntry");
   os << "\n - aliased_context_slot: " << aliased_context_slot();
 }
 
 
 void FixedArray::FixedArrayPrint(std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "FixedArray");
-  os << " - length: " << length();
+  os << "\n - length: " << length();
   for (int i = 0; i < length(); i++) {
     os << "\n  [" << i << "]: " << Brief(get(i));
   }
   os << "\n";
 }
 
 
 void FixedDoubleArray::FixedDoubleArrayPrint(std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "FixedDoubleArray");
-  os << " - length: " << length();
+  os << "\n - length: " << length();
   for (int i = 0; i < length(); i++) {
     os << "\n  [" << i << "]: ";
     if (is_the_hole(i)) {
       os << "<the hole>";
     } else {
       os << get_scalar(i);
     }
   }
   os << "\n";
 }
 
 
 void TransitionArray::TransitionArrayPrint(std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "TransitionArray");
-  os << " - capacity: " << length();
+  os << "\n - capacity: " << length();
   for (int i = 0; i < length(); i++) {
     os << "\n  [" << i << "]: " << Brief(get(i));
     if (i == kNextLinkIndex) os << " (next link)";
     if (i == kPrototypeTransitionsIndex) os << " (prototype transitions)";
     if (i == kTransitionLengthIndex) os << " (number of transitions)";
   }
   os << "\n";
 }
 
 
 void TypeFeedbackMetadata::Print() {
   OFStream os(stdout);
   TypeFeedbackMetadataPrint(os);
   os << std::flush;
 }
 
 
 void TypeFeedbackMetadata::TypeFeedbackMetadataPrint(
     std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "TypeFeedbackMetadata");
-  os << " - length: " << length();
+  os << "\n - length: " << length();
   if (length() == 0) {
     os << " (empty)\n";
     return;
   }
 
   TypeFeedbackMetadataIterator iter(this);
   while (iter.HasNext()) {
     FeedbackVectorSlot slot = iter.Next();
     FeedbackVectorSlotKind kind = iter.kind();
     os << "\n Slot " << slot << " " << kind;
   }
   os << "\n";
 }
 
 
 void TypeFeedbackVector::Print() {
   OFStream os(stdout);
   TypeFeedbackVectorPrint(os);
   os << std::flush;
 }
 
 
 void TypeFeedbackVector::TypeFeedbackVectorPrint(std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "TypeFeedbackVector");
-  os << " - length: " << length();
+  os << "\n - length: " << length();
   if (length() == 0) {
     os << " (empty)\n";
     return;
   }
 
   TypeFeedbackMetadataIterator iter(metadata());
   while (iter.HasNext()) {
     FeedbackVectorSlot slot = iter.Next();
     FeedbackVectorSlotKind kind = iter.kind();
 
@@ skipping 122 matching lines @@
         min()->IsSmi() ? Smi::cast(min())->value() : -1,
         sec()->IsSmi() ? Smi::cast(sec())->value() : -1);
     os << buf.start();
   }
   JSObjectPrintBody(os, this);
 }
 
 
 void JSProxy::JSProxyPrint(std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "JSProxy");
-  os << " - map = " << reinterpret_cast<void*>(map());
+  os << "\n - map = " << reinterpret_cast<void*>(map());
   os << "\n - target = ";
   target()->ShortPrint(os);
   os << "\n - handler = ";
   handler()->ShortPrint(os);
   os << "\n - hash = ";
   hash()->ShortPrint(os);
   os << "\n";
 }
 
 
@@ skipping 116 matching lines @@
   }
   os << "\n - context = " << Brief(context());
   os << "\n - literals = " << Brief(literals());
   os << "\n - code = " << Brief(code());
   JSObjectPrintBody(os, this);
 }
 
 
 void SharedFunctionInfo::SharedFunctionInfoPrint(std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "SharedFunctionInfo");
-  os << " - name: " << Brief(name());
+  os << "\n - name: " << Brief(name());
   os << "\n - expected_nof_properties: " << expected_nof_properties();
   os << "\n - ast_node_count: " << ast_node_count();
   os << "\n - instance class name = ";
   instance_class_name()->Print(os);
   os << "\n - code = " << Brief(code());
   if (HasSourceCode()) {
     os << "\n - source code = ";
     String* source = String::cast(Script::cast(script())->source());
     int start = start_position();
     int length = end_position() - start;
@@ skipping 31 matching lines @@
 void JSGlobalObject::JSGlobalObjectPrint(std::ostream& os) {  // NOLINT
   os << "global ";
   JSObjectPrint(os);
   os << "native context : " << Brief(native_context());
   os << "\n";
 }
 
 
 void Cell::CellPrint(std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "Cell");
-  os << " - value: " << Brief(value());
+  os << "\n - value: " << Brief(value());
   os << "\n";
 }
 
 
 void PropertyCell::PropertyCellPrint(std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "PropertyCell");
-  os << " - value: " << Brief(value());
+  os << "\n - value: " << Brief(value());
   os << "\n - details: " << property_details();
   os << "\n";
 }
 
 
 void WeakCell::WeakCellPrint(std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "WeakCell");
   if (cleared()) {
     os << "\n - cleared";
   } else {
@@ skipping 91 matching lines @@
   os << "\n - data: " << Brief(data());
   os << "\n";
 }
 
 
 void FunctionTemplateInfo::FunctionTemplateInfoPrint(
     std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "FunctionTemplateInfo");
   os << "\n - class name: " << Brief(class_name());
   os << "\n - tag: " << Brief(tag());
+  os << "\n - serial_number: " << Brief(serial_number());
   os << "\n - property_list: " << Brief(property_list());
-  os << "\n - serial_number: " << Brief(serial_number());
   os << "\n - call_code: " << Brief(call_code());
   os << "\n - property_accessors: " << Brief(property_accessors());
   os << "\n - prototype_template: " << Brief(prototype_template());
   os << "\n - parent_template: " << Brief(parent_template());
   os << "\n - named_property_handler: " << Brief(named_property_handler());
   os << "\n - indexed_property_handler: " << Brief(indexed_property_handler());
   os << "\n - instance_template: " << Brief(instance_template());
   os << "\n - signature: " << Brief(signature());
   os << "\n - access_check_info: " << Brief(access_check_info());
   os << "\n - hidden_prototype: " << (hidden_prototype() ? "true" : "false");
   os << "\n - undetectable: " << (undetectable() ? "true" : "false");
   os << "\n - need_access_check: " << (needs_access_check() ? "true" : "false");
   os << "\n - instantiated: " << (instantiated() ? "true" : "false");
   os << "\n";
 }
 
 
 void ObjectTemplateInfo::ObjectTemplateInfoPrint(std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "ObjectTemplateInfo");
-  os << " - tag: " << Brief(tag());
+  os << "\n - tag: " << Brief(tag());
+  os << "\n - serial_number: " << Brief(serial_number());
   os << "\n - property_list: " << Brief(property_list());
   os << "\n - property_accessors: " << Brief(property_accessors());
   os << "\n - constructor: " << Brief(constructor());
   os << "\n - internal_field_count: " << Brief(internal_field_count());
   os << "\n";
 }
 
 
 void AllocationSite::AllocationSitePrint(std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "AllocationSite");
-  os << " - weak_next: " << Brief(weak_next());
+  os << "\n - weak_next: " << Brief(weak_next());
   os << "\n - dependent code: " << Brief(dependent_code());
   os << "\n - nested site: " << Brief(nested_site());
   os << "\n - memento found count: "
      << Brief(Smi::FromInt(memento_found_count()));
   os << "\n - memento create count: "
      << Brief(Smi::FromInt(memento_create_count()));
   os << "\n - pretenure decision: "
      << Brief(Smi::FromInt(pretenure_decision()));
   os << "\n - transition_info: ";
   if (transition_info()->IsSmi()) {
     ElementsKind kind = GetElementsKind();
     os << "Array allocation with ElementsKind " << ElementsKindToString(kind);
   } else if (transition_info()->IsJSArray()) {
     os << "Array literal " << Brief(transition_info());
   } else {
     os << "unknown transition_info" << Brief(transition_info());
   }
   os << "\n";
 }
 
 
 void AllocationMemento::AllocationMementoPrint(std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "AllocationMemento");
-  os << " - allocation site: ";
+  os << "\n - allocation site: ";
   if (IsValid()) {
     GetAllocationSite()->Print(os);
   } else {
     os << "<invalid>\n";
   }
 }
 
 
 void Script::ScriptPrint(std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "Script");
@@ skipping 206 matching lines @@
 void JSObject::PrintTransitions(std::ostream& os) {  // NOLINT
   Object* transitions = map()->raw_transitions();
   int num_transitions = TransitionArray::NumberOfTransitions(transitions);
   if (num_transitions == 0) return;
   os << "\n - transitions";
   TransitionArray::PrintTransitions(os, transitions, false);
 }
 #endif  // defined(DEBUG) || defined(OBJECT_PRINT)
 }  // namespace internal
 }  // namespace v8