[complier] Enable parallel eager inner function compilation with compiler dispatcher.

src/compiler-dispatcher/compiler-dispatcher.h

Index: src/compiler-dispatcher/compiler-dispatcher.h
diff --git a/src/compiler-dispatcher/compiler-dispatcher.h b/src/compiler-dispatcher/compiler-dispatcher.h
index 088b3bbccfa8505c157abe5acd23326b59dcfabe..6b416daa58d19bb668efc81b4b9153655347daaf 100644
--- a/src/compiler-dispatcher/compiler-dispatcher.h
+++ b/src/compiler-dispatcher/compiler-dispatcher.h
@@ -25,9 +25,11 @@ enum class MemoryPressureLevel;
 
 namespace internal {
 
+class AstValueFactory;
 class CancelableTaskManager;
 class CompilerDispatcherJob;
 class CompilerDispatcherTracer;
+class FunctionLiteral;
 class Isolate;
 class SharedFunctionInfo;
 
@@ -68,7 +70,10 @@ class V8_EXPORT_PRIVATE CompilerDispatcher {
                      size_t max_stack_size);
   ~CompilerDispatcher();
 
-  // Returns true if a job was enqueued.
+  // Returns true if the compiler dispatcher is enabled.
+  bool IsEnabled() const;
+
+  // Enqueue a job for parse and compile. Returns true if a job was enqueued.
   bool Enqueue(Handle<SharedFunctionInfo> function);
 
   // Like Enqueue, but also advances the job so that it can potentially
@@ -76,13 +81,29 @@ class V8_EXPORT_PRIVATE CompilerDispatcher {
   // true if the job was enqueued.
   bool EnqueueAndStep(Handle<SharedFunctionInfo> function);
 
+  // Enqueue a job for compilation. Function must have already been parsed and
+  // analyzed and be ready for compilation. Returns true if a job was enqueued.
+  bool Enqueue(Handle<SharedFunctionInfo> function, FunctionLiteral* literal,
+               AstValueFactory* ast_value_factory);
+
+  // Like Enqueue, but also advances the job so that it can potentially
+  // continue running on a background thread (if at all possible). Returns
+  // true if the job was enqueued.
+  bool EnqueueAndStep(Handle<SharedFunctionInfo> function,
+                      FunctionLiteral* literal,
+                      AstValueFactory* ast_value_factory);
+
   // Returns true if there is a pending job for the given function.
   bool IsEnqueued(Handle<SharedFunctionInfo> function) const;
 
   // Blocks until the given function is compiled (and does so as fast as
-  // possible). Returns true if the compile job was succesful.
+  // possible). Returns true if the compile job was successful.
   bool FinishNow(Handle<SharedFunctionInfo> function);
 
+  // Blocks until all enqueued jobs have finished. Returns true if all the
+  // compile jobs were successful.
+  bool FinishAllNow();
+
   // Aborts a given job. Blocks if requested.
   void Abort(Handle<SharedFunctionInfo> function, BlockingBehavior blocking);
 
@@ -95,6 +116,8 @@ class V8_EXPORT_PRIVATE CompilerDispatcher {
 
  private:
   FRIEND_TEST(CompilerDispatcherTest, EnqueueAndStep);
+  FRIEND_TEST(CompilerDispatcherTest, EnqueueParsed);
+  FRIEND_TEST(CompilerDispatcherTest, EnqueueAndStepParsed);
   FRIEND_TEST(CompilerDispatcherTest, IdleTaskSmallIdleTime);
   FRIEND_TEST(IgnitionCompilerDispatcherTest, CompileOnBackgroundThread);
   FRIEND_TEST(IgnitionCompilerDispatcherTest, FinishNowWithBackgroundTask);
@@ -112,9 +135,10 @@ class V8_EXPORT_PRIVATE CompilerDispatcher {
   class IdleTask;
 
   void WaitForJobIfRunningOnBackground(CompilerDispatcherJob* job);
-  bool IsEnabled() const;
   void AbortInactiveJobs();
+  bool CanEnqueue(Handle<SharedFunctionInfo> function);
   JobMap::const_iterator GetJobFor(Handle<SharedFunctionInfo> shared) const;
+  bool FinishNow(CompilerDispatcherJob* job);
   void ConsiderJobForBackgroundProcessing(CompilerDispatcherJob* job);
   void ScheduleMoreBackgroundTasksIfNeeded();
   void ScheduleIdleTaskFromAnyThread();