Upgrade V8 to 3.7.12

1 files changed, 75 insertions, 10 deletions

diff --git a/deps/v8/src/objects-printer.cc b/deps/v8/src/objects-printer.cc
index 0398572f90..4b5d049f51 100644
--- a/deps/v8/src/objects-printer.cc
+++ b/deps/v8/src/objects-printer.cc
@@ -82,12 +82,18 @@ void HeapObject::HeapObjectPrint(FILE* out) {
     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;
@@ -189,6 +195,11 @@ void ByteArray::ByteArrayPrint(FILE* out) {
 }
 
 
+void FreeSpace::FreeSpacePrint(FILE* out) {
+  PrintF(out, "free space, size %d", Size());
+}
+
+
 void ExternalPixelArray::ExternalPixelArrayPrint(FILE* out) {
   PrintF(out, "external pixel array");
 }
@@ -256,16 +267,37 @@ void JSObject::PrintProperties(FILE* out) {
           descs->GetCallbacksObject(i)->ShortPrint(out);
           PrintF(out, " (callback)\n");
           break;
+        case ELEMENTS_TRANSITION: {
+          PrintF(out, "(elements transition to ");
+          Object* descriptor_contents = descs->GetValue(i);
+          if (descriptor_contents->IsMap()) {
+            Map* map = Map::cast(descriptor_contents);
+            PrintElementsKind(out, map->elements_kind());
+          } else {
+            FixedArray* map_array = FixedArray::cast(descriptor_contents);
+            for (int i = 0; i < map_array->length(); ++i) {
+              Map* map = Map::cast(map_array->get(i));
+              if (i != 0) {
+                PrintF(out, ", ");
+              }
+              PrintElementsKind(out, map->elements_kind());
+            }
+          }
+          PrintF(out, ")\n");
+          break;
+        }
         case MAP_TRANSITION:
-          PrintF(out, " (map transition)\n");
+          PrintF(out, "(map transition)\n");
           break;
         case CONSTANT_TRANSITION:
-          PrintF(out, " (constant transition)\n");
+          PrintF(out, "(constant transition)\n");
           break;
         case NULL_DESCRIPTOR:
-          PrintF(out, " (null descriptor)\n");
+          PrintF(out, "(null descriptor)\n");
           break;
-        default:
+        case NORMAL:  // only in slow mode
+        case HANDLER:  // only in lookup results, not in descriptors
+        case INTERCEPTOR:  // only in lookup results, not in descriptors
           UNREACHABLE();
           break;
       }
@@ -277,7 +309,10 @@ void JSObject::PrintProperties(FILE* out) {
 
 
 void JSObject::PrintElements(FILE* out) {
-  switch (GetElementsKind()) {
+  // Don't call GetElementsKind, its validation code can cause the printer to
+  // fail when debugging.
+  switch (map()->elements_kind()) {
+    case FAST_SMI_ONLY_ELEMENTS:
     case FAST_ELEMENTS: {
       // Print in array notation for non-sparse arrays.
       FixedArray* p = FixedArray::cast(elements());
@@ -385,8 +420,13 @@ void JSObject::PrintElements(FILE* out) {
 
 void JSObject::JSObjectPrint(FILE* out) {
   PrintF(out, "%p: [JSObject]\n", reinterpret_cast<void*>(this));
-  PrintF(out, " - map = %p\n", reinterpret_cast<void*>(map()));
-  PrintF(out, " - prototype = %p\n", reinterpret_cast<void*>(GetPrototype()));
+  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);
   PrintElements(out);
@@ -406,6 +446,9 @@ static const char* TypeToString(InstanceType type) {
     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:
@@ -413,8 +456,12 @@ static const char* TypeToString(InstanceType type) {
     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:
@@ -458,7 +505,9 @@ void Map::MapPrint(FILE* out) {
   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, " - pre-allocated property fields: %d\n",
+  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()) {
@@ -516,6 +565,16 @@ void FixedArray::FixedArrayPrint(FILE* out) {
 }
 
 
+void FixedDoubleArray::FixedDoubleArrayPrint(FILE* out) {
+  HeapObject::PrintHeader(out, "FixedDoubleArray");
+  PrintF(out, " - length: %d", length());
+  for (int i = 0; i < length(); i++) {
+    PrintF(out, "\n  [%d]: %g", i, get_scalar(i));
+  }
+  PrintF(out, "\n");
+}
+
+
 void JSValue::JSValuePrint(FILE* out) {
   HeapObject::PrintHeader(out, "ValueObject");
   value()->Print(out);
@@ -587,6 +646,8 @@ void JSProxy::JSProxyPrint(FILE* out) {
   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");
 }
 
@@ -607,7 +668,6 @@ void JSFunctionProxy::JSFunctionProxyPrint(FILE* out) {
 void JSWeakMap::JSWeakMapPrint(FILE* out) {
   HeapObject::PrintHeader(out, "JSWeakMap");
   PrintF(out, " - map = 0x%p\n", reinterpret_cast<void*>(map()));
-  PrintF(out, " - number of elements = %d\n", table()->NumberOfElements());
   PrintF(out, " - table = ");
   table()->ShortPrint(out);
   PrintF(out, "\n");
@@ -707,7 +767,7 @@ void Code::CodePrint(FILE* out) {
 
 
 void Foreign::ForeignPrint(FILE* out) {
-  PrintF(out, "foreign address : %p", address());
+  PrintF(out, "foreign address : %p", foreign_address());
 }
 
 
@@ -802,10 +862,15 @@ void FunctionTemplateInfo::FunctionTemplateInfoPrint(FILE* out) {
 
 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");
 }