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src/heap.cc

 // Copyright 2011 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 2905 matching lines @@
   // Make sure that an out of memory exception is thrown if the length
   // of the new cons string is too large.
   if (length > String::kMaxLength || length < 0) {
     isolate()->context()->mark_out_of_memory();
     return Failure::OutOfMemoryException();
   }
 
   bool is_ascii_data_in_two_byte_string = false;
   if (!is_ascii) {
     // At least one of the strings uses two-byte representation so we
-    // can't use the fast case code for short ascii strings below, but
-    // we can try to save memory if all chars actually fit in ascii.
+    // can't use the fast case code for short ASCII strings below, but
+    // we can try to save memory if all chars actually fit in ASCII.
     is_ascii_data_in_two_byte_string =
         first->HasOnlyAsciiChars() && second->HasOnlyAsciiChars();
     if (is_ascii_data_in_two_byte_string) {
       isolate_->counters()->string_add_runtime_ext_to_ascii()->Increment();
     }
   }
 
   // If the resulting string is small make a flat string.
   if (length < String::kMinNonFlatLength) {
     // Note that neither of the two inputs can be a slice because:
@@ skipping 690 matching lines @@
 
 
 void Heap::InitializeJSObjectFromMap(JSObject* obj,
                                      FixedArray* properties,
                                      Map* map) {
   obj->set_properties(properties);
   obj->initialize_elements();
   // TODO(1240798): Initialize the object's body using valid initial values
   // according to the object's initial map.  For example, if the map's
   // instance type is JS_ARRAY_TYPE, the length field should be initialized
-  // to a number (eg, Smi::FromInt(0)) and the elements initialized to a
-  // fixed array (eg, Heap::empty_fixed_array()).  Currently, the object
+  // to a number (e.g. Smi::FromInt(0)) and the elements initialized to a
+  // fixed array (e.g. Heap::empty_fixed_array()).  Currently, the object
   // verification code has to cope with (temporarily) invalid objects.  See
   // for example, JSArray::JSArrayVerify).
   Object* filler;
   // We cannot always fill with one_pointer_filler_map because objects
   // created from API functions expect their internal fields to be initialized
   // with undefined_value.
   // Pre-allocated fields need to be initialized with undefined_value as well
   // so that object accesses before the constructor completes (e.g. in the
   // debugger) will not cause a crash.
   if (map->constructor()->IsJSFunction() &&
@@ skipping 446 matching lines @@
   }
 }
 
 
 MaybeObject* Heap::AllocateInternalSymbol(unibrow::CharacterStream* buffer,
                                           int chars,
                                           uint32_t hash_field) {
   ASSERT(chars >= 0);
   // Ensure the chars matches the number of characters in the buffer.
   ASSERT(static_cast<unsigned>(chars) == buffer->Length());
-  // Determine whether the string is ascii.
+  // Determine whether the string is ASCII.
   bool is_ascii = true;
   while (buffer->has_more()) {
     if (buffer->GetNext() > unibrow::Utf8::kMaxOneByteChar) {
       is_ascii = false;
       break;
     }
   }
   buffer->Rewind();
 
   // Compute map and object size.
@@ skipping 1472 matching lines @@
 bool Heap::SetUp(bool create_heap_objects) {
 #ifdef DEBUG
   allocation_timeout_ = FLAG_gc_interval;
   debug_utils_ = new HeapDebugUtils(this);
 #endif
 
   // Initialize heap spaces and initial maps and objects. Whenever something
   // goes wrong, just return false. The caller should check the results and
   // call Heap::TearDown() to release allocated memory.
   //
-  // If the heap is not yet configured (eg, through the API), configure it.
+  // If the heap is not yet configured (e.g. through the API), configure it.
   // Configuration is based on the flags new-space-size (really the semispace
   // size) and old-space-size if set or the initial values of semispace_size_
   // and old_generation_size_ otherwise.
   if (!configured_) {
     if (!ConfigureHeapDefault()) return false;
   }
 
   gc_initializer_mutex->Lock();
   static bool initialized_gc = false;
   if (!initialized_gc) {
@@ skipping 1044 matching lines @@
   isolate_->heap()->store_buffer()->Compact();
   isolate_->heap()->store_buffer()->Filter(MemoryChunk::ABOUT_TO_BE_FREED);
   for (chunk = chunks_queued_for_free_; chunk != NULL; chunk = next) {
     next = chunk->next_chunk();
     isolate_->memory_allocator()->Free(chunk);
   }
   chunks_queued_for_free_ = NULL;
 }
 
 } }  // namespace v8::internal