Two-threaded parser

src/isolate.cc

Index: src/isolate.cc
diff --git a/src/isolate.cc b/src/isolate.cc
index 82ace290cd5c2ee2a4249a9dd7201f61f7bcda10..e7fb699e8a0502d158342aa022b5cfa4e845d74f 100644
--- a/src/isolate.cc
+++ b/src/isolate.cc
@@ -19,6 +19,7 @@
 #include "lithium-allocator.h"
 #include "log.h"
 #include "messages.h"
+#include "parser-thread.h"
 #include "platform.h"
 #include "regexp-stack.h"
 #include "runtime-profiler.h"
@@ -1479,6 +1480,7 @@ Isolate::Isolate()
       function_entry_hook_(NULL),
       deferred_handles_head_(NULL),
       optimizing_compiler_thread_(NULL),
+      fast_parser_thread_(NULL),
       sweeper_thread_(NULL),
       num_sweeper_threads_(0),
       stress_deopt_count_(0),
@@ -1566,6 +1568,12 @@ void Isolate::Deinit() {
       optimizing_compiler_thread_ = NULL;
     }
 
+    if (fast_parser_thread_) {
+      fast_parser_thread_->Stop();
+      delete fast_parser_thread_;
+      fast_parser_thread_ = NULL;
+    }
+
     for (int i = 0; i < num_sweeper_threads_; i++) {
       sweeper_thread_[i]->Stop();
       delete sweeper_thread_[i];
@@ -1923,6 +1931,11 @@ bool Isolate::Init(Deserializer* des) {
     }
   }
 
+  if (FLAG_parallel_parse) {
+    fast_parser_thread_ = new FastParserThread();
+    fast_parser_thread_->Start();
+  }
+
   // If we are deserializing, read the state into the now-empty heap.
   if (!create_heap_objects) {
     des->Deserialize(this);