More OStreamsUse OStreams more often.

src/heap.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/v8.h"
 
 #include "src/accessors.h"
 #include "src/api.h"
 #include "src/base/once.h"
 #include "src/base/utils/random-number-generator.h"
@@ skipping 5935 matching lines @@
   Map* map = Map::cast(unmarked_map_word.ToMap());
 
   UnmarkRecursively(reinterpret_cast<Object**>(&map), unmark_visitor);
 
   obj->IterateBody(map->instance_type(), obj->SizeFromMap(map), unmark_visitor);
 }
 
 
 void PathTracer::ProcessResults() {
   if (found_target_) {
-    PrintF("=====================================\n");
-    PrintF("====        Path to object       ====\n");
-    PrintF("=====================================\n\n");
+    OFStream os(stdout);
+    os << "=====================================\n"
+       << "====        Path to object       ====\n"
+       << "=====================================\n\n";
 
     ASSERT(!object_stack_.is_empty());
     for (int i = 0; i < object_stack_.length(); i++) {
-      if (i > 0) PrintF("\n     |\n     |\n     V\n\n");
-      Object* obj = object_stack_[i];
-      obj->Print();
+      if (i > 0) os << "\n     |\n     |\n     V\n\n";
+      object_stack_[i]->Print(os);
     }
-    PrintF("=====================================\n");
+    os << "=====================================\n";
   }
 }
 
 
 // Triggers a depth-first traversal of reachable objects from one
 // given root object and finds a path to a specific heap object and
 // prints it.
 void Heap::TracePathToObjectFrom(Object* target, Object* root) {
   PathTracer tracer(target, PathTracer::FIND_ALL, VISIT_ALL);
   tracer.VisitPointer(&root);
@@ skipping 486 matching lines @@
       static_cast<int>(object_sizes_last_time_[index]));
   CODE_AGE_LIST_COMPLETE(ADJUST_LAST_TIME_OBJECT_COUNT)
 #undef ADJUST_LAST_TIME_OBJECT_COUNT
 
   MemCopy(object_counts_last_time_, object_counts_, sizeof(object_counts_));
   MemCopy(object_sizes_last_time_, object_sizes_, sizeof(object_sizes_));
   ClearObjectStats();
 }
 
 } }  // namespace v8::internal