Restore info needed to register profile ticks in functions from...

src/handles.cc

 // Copyright 2009 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
@@ skipping 409 matching lines @@
   Handle<Object> handle = GlobalHandles::Create(*result);
   GlobalHandles::MakeWeak(handle.location(), NULL, &ClearWrapperCache);
   script->wrapper()->set_proxy(reinterpret_cast<Address>(handle.location()));
   return result;
 }
 
 
 // Init line_ends array with code positions of line ends inside script
 // source.
 void InitScriptLineEnds(Handle<Script> script) {
-  if (!script->line_ends()->IsUndefined()) return;
+  if (!script->line_ends_fixed_array()->IsUndefined()) return;
 
   if (!script->source()->IsString()) {
     ASSERT(script->source()->IsUndefined());
-    script->set_line_ends(*(Factory::NewJSArray(0)));
-    ASSERT(script->line_ends()->IsJSArray());
+    script->set_line_ends_fixed_array(*(Factory::NewFixedArray(0)));
+    ASSERT(script->line_ends_fixed_array()->IsFixedArray());
     return;
   }
 
   Handle<String> src(String::cast(script->source()));
   const int src_len = src->length();
   Handle<String> new_line = Factory::NewStringFromAscii(CStrVector("\n"));
 
   // Pass 1: Identify line count.
   int line_count = 0;
   int position = 0;
@@ skipping 12 matching lines @@
   position = 0;
   while (position != -1 && position < src_len) {
     position = Runtime::StringMatch(src, new_line, position);
     // If the script does not end with a line ending add the final end
     // position as just past the last line ending.
     array->set(array_index++,
                Smi::FromInt(position != -1 ? position++ : src_len));
   }
   ASSERT(array_index == line_count);
 
-  Handle<JSArray> object = Factory::NewJSArrayWithElements(array);
-  script->set_line_ends(*object);
-  ASSERT(script->line_ends()->IsJSArray());
+  script->set_line_ends_fixed_array(*array);
+  ASSERT(script->line_ends_fixed_array()->IsFixedArray());
 }
 
 
 // Convert code position into line number.
 int GetScriptLineNumber(Handle<Script> script, int code_pos) {
   InitScriptLineEnds(script);
   AssertNoAllocation no_allocation;
-  JSArray* line_ends_array = JSArray::cast(script->line_ends());
-  const int line_ends_len = (Smi::cast(line_ends_array->length()))->value();
+  FixedArray* line_ends_array =
+      FixedArray::cast(script->line_ends_fixed_array());
+  const int line_ends_len = line_ends_array->length();
 
   int line = -1;
   if (line_ends_len > 0 &&
-      code_pos <= (Smi::cast(line_ends_array->GetElement(0)))->value()) {
+      code_pos <= (Smi::cast(line_ends_array->get(0)))->value()) {
     line = 0;
   } else {
     for (int i = 1; i < line_ends_len; ++i) {
-      if ((Smi::cast(line_ends_array->GetElement(i - 1)))->value() < code_pos &&
-          code_pos <= (Smi::cast(line_ends_array->GetElement(i)))->value()) {
+      if ((Smi::cast(line_ends_array->get(i - 1)))->value() < code_pos &&
+          code_pos <= (Smi::cast(line_ends_array->get(i)))->value()) {
         line = i;
         break;
       }
     }
   }
 
   return line != -1 ? line + script->line_offset()->value() : line;
 }
 
 
@@ skipping 279 matching lines @@
   Handle<Map> new_map = Factory::CopyMapDropTransitions(old_map);
   obj->set_map(*new_map);
   new_map->set_needs_loading(true);
   // Store the lazy loading info in the constructor field.  We'll
   // reestablish the constructor from the fixed array after loading.
   new_map->set_constructor(*arr);
   ASSERT(!obj->IsLoaded());
 }
 
 } }  // namespace v8::internal