- Added ability to call histograms from within v8...

src/parser.cc

 // Copyright 2006-2008 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 1057 matching lines @@
       allow_natives_syntax_(allow_natives_syntax),
       extension_(extension),
       factory_(factory),
       log_(log),
       is_pre_parsing_(is_pre_parsing),
       pre_data_(pre_data) {
 }
 
 
 bool Parser::PreParseProgram(unibrow::CharacterStream* stream) {
-  StatsRateScope timer(&Counters::pre_parse);
+  HistogramTimerScope timer(&Counters::pre_parse);
   StackGuard guard;
   AssertNoZoneAllocation assert_no_zone_allocation;
   AssertNoAllocation assert_no_allocation;
   NoHandleAllocation no_handle_allocation;
   scanner_.Init(Handle<String>(), stream, 0);
   ASSERT(target_stack_ == NULL);
   mode_ = PARSE_EAGERLY;
   DummyScope top_scope;
   LexicalScope scope(this, &top_scope);
   TemporaryScope temp_scope(this);
   ZoneListWrapper<Statement> processor;
   bool ok = true;
   ParseSourceElements(&processor, Token::EOS, &ok);
   return !scanner().stack_overflow();
 }
 
 
 FunctionLiteral* Parser::ParseProgram(Handle<String> source,
                                       unibrow::CharacterStream* stream,
                                       bool in_global_context) {
   ZoneScope zone_scope(DONT_DELETE_ON_EXIT);
 
-  StatsRateScope timer(&Counters::parse);
+  HistogramTimerScope timer(&Counters::parse);
   StringShape shape(*source);
   Counters::total_parse_size.Increment(source->length(shape));
 
   // Initialize parser state.
   source->TryFlattenIfNotFlat(shape);
   scanner_.Init(source, stream, 0);
   ASSERT(target_stack_ == NULL);
 
   // Compute the parsing mode.
   mode_ = FLAG_lazy ? PARSE_LAZILY : PARSE_EAGERLY;
@@ skipping 32 matching lines @@
   if (result == NULL) zone_scope.DeleteOnExit();
   return result;
 }
 
 
 FunctionLiteral* Parser::ParseLazy(Handle<String> source,
                                    Handle<String> name,
                                    int start_position,
                                    bool is_expression) {
   ZoneScope zone_scope(DONT_DELETE_ON_EXIT);
-  StatsRateScope timer(&Counters::parse_lazy);
+  HistogramTimerScope timer(&Counters::parse_lazy);
   source->TryFlattenIfNotFlat(StringShape(*source));
   StringShape shape(*source);
   Counters::total_parse_size.Increment(source->length(shape));
   SafeStringInputBuffer buffer(source.location());
 
   // Initialize parser state.
   scanner_.Init(source, &buffer, start_position);
   ASSERT(target_stack_ == NULL);
   mode_ = PARSE_EAGERLY;
 
@@ skipping 3396 matching lines @@
                        start_position,
                        is_expression);
   return result;
 }
 
 
 #undef NEW
 
 
 } }  // namespace v8::internal