Add script streaming API

src/isolate.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 <stdlib.h>
 
 #include "src/v8.h"
 
 #include "src/ast.h"
+#include "src/background-parser-thread.h"
 #include "src/base/platform/platform.h"
 #include "src/base/utils/random-number-generator.h"
 #include "src/bootstrapper.h"
 #include "src/codegen.h"
 #include "src/compilation-cache.h"
 #include "src/cpu-profiler.h"
 #include "src/debug.h"
 #include "src/deoptimizer.h"
 #include "src/heap/spaces.h"
 #include "src/heap/sweeper-thread.h"
@@ skipping 1443 matching lines @@
       // be fixed once the default isolate cleanup is done.
       random_number_generator_(NULL),
       serializer_enabled_(false),
       has_fatal_error_(false),
       initialized_from_snapshot_(false),
       cpu_profiler_(NULL),
       heap_profiler_(NULL),
       function_entry_hook_(NULL),
       deferred_handles_head_(NULL),
       optimizing_compiler_thread_(NULL),
+      background_parser_thread_(NULL),
       sweeper_thread_(NULL),
       num_sweeper_threads_(0),
       stress_deopt_count_(0),
       next_optimization_id_(0),
       use_counter_callback_(NULL) {
   id_ = base::NoBarrier_AtomicIncrement(&isolate_counter_, 1);
   TRACE_ISOLATE(constructor);
 
   memset(isolate_addresses_, 0,
       sizeof(isolate_addresses_[0]) * (kIsolateAddressCount + 1));
@@ skipping 68 matching lines @@
     TRACE_ISOLATE(deinit);
 
     debug()->Unload();
 
     if (concurrent_recompilation_enabled()) {
       optimizing_compiler_thread_->Stop();
       delete optimizing_compiler_thread_;
       optimizing_compiler_thread_ = NULL;
     }
 
+    if (background_parser_thread_) {
+      background_parser_thread_->Stop();
+      delete background_parser_thread_;
+      background_parser_thread_ = NULL;
+    }
+
     for (int i = 0; i < num_sweeper_threads_; i++) {
       sweeper_thread_[i]->Stop();
       delete sweeper_thread_[i];
       sweeper_thread_[i] = NULL;
     }
     delete[] sweeper_thread_;
     sweeper_thread_ = NULL;
 
     if (FLAG_job_based_sweeping &&
         heap_.mark_compact_collector()->sweeping_in_progress()) {
@@ skipping 340 matching lines @@
   }
 
   if (num_sweeper_threads_ > 0) {
     sweeper_thread_ = new SweeperThread*[num_sweeper_threads_];
     for (int i = 0; i < num_sweeper_threads_; i++) {
       sweeper_thread_[i] = new SweeperThread(this);
       sweeper_thread_[i]->Start();
     }
   }
 
+  background_parser_thread_ = new BackgroundParserThread();
+  background_parser_thread_->Start();
+
   // If we are deserializing, read the state into the now-empty heap.
   if (!create_heap_objects) {
     des->Deserialize(this);
   }
   stub_cache_->Initialize();
 
   // Finish initialization of ThreadLocal after deserialization is done.
   clear_pending_exception();
   clear_pending_message();
   clear_scheduled_exception();
@@ skipping 433 matching lines @@
   if (prev_ && prev_->Intercept(flag)) return true;
   // Then check whether this scope intercepts.
   if ((flag & intercept_mask_)) {
     intercepted_flags_ |= flag;
     return true;
   }
   return false;
 }
 
 } }  // namespace v8::internal