Patch for allowing several V8 instances in process:...

src/parser.cc

Index: src/parser.cc
===================================================================
--- src/parser.cc	(revision 3427)
+++ src/parser.cc	(working copy)
@@ -1166,7 +1166,7 @@
 
 bool Parser::PreParseProgram(Handle<String> source,
                              unibrow::CharacterStream* stream) {
-  HistogramTimerScope timer(&Counters::pre_parse);
+  HistogramTimerScope timer(&COUNTER(pre_parse));
   AssertNoZoneAllocation assert_no_zone_allocation;
   AssertNoAllocation assert_no_allocation;
   NoHandleAllocation no_handle_allocation;
@@ -1188,8 +1188,8 @@
                                       bool in_global_context) {
   CompilationZoneScope zone_scope(DONT_DELETE_ON_EXIT);
 
-  HistogramTimerScope timer(&Counters::parse);
-  Counters::total_parse_size.Increment(source->length());
+  HistogramTimerScope timer(&COUNTER(parse));
+  INCREMENT_COUNTER(total_parse_size, source->length());
 
   // Initialize parser state.
   source->TryFlattenIfNotFlat();
@@ -1246,9 +1246,9 @@
                                    int start_position,
                                    bool is_expression) {
   CompilationZoneScope zone_scope(DONT_DELETE_ON_EXIT);
-  HistogramTimerScope timer(&Counters::parse_lazy);
+  HistogramTimerScope timer(&COUNTER(parse_lazy));
   source->TryFlattenIfNotFlat();
-  Counters::total_parse_size.Increment(source->length());
+  INCREMENT_COUNTER(total_parse_size, source->length());
   SafeStringInputBuffer buffer(source.location());
 
   // Initialize parser state.
@@ -3610,7 +3610,7 @@
     if (is_lazily_compiled && pre_data() != NULL) {
       FunctionEntry entry = pre_data()->GetFunctionEnd(start_pos);
       int end_pos = entry.end_pos();
-      Counters::total_preparse_skipped.Increment(end_pos - start_pos);
+      INCREMENT_COUNTER(total_preparse_skipped, end_pos - start_pos);
       scanner_.SeekForward(end_pos);
       materialized_literal_count = entry.literal_count();
       expected_property_count = entry.property_count();