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

src/compiler-dispatcher/compiler-dispatcher-job.h

 // Copyright 2016 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.
 
 #ifndef V8_COMPILER_DISPATCHER_COMPILER_DISPATCHER_JOB_H_
 #define V8_COMPILER_DISPATCHER_COMPILER_DISPATCHER_JOB_H_
 
 #include <memory>
 
 #include "src/base/macros.h"
@@ skipping 22 matching lines @@
   kParsed,
   kReadyToAnalyse,
   kReadyToCompile,
   kCompiled,
   kFailed,
   kDone,
 };
 
 class V8_EXPORT_PRIVATE CompilerDispatcherJob {
  public:
+  // Creates a CompilerDispatcherJob in the initial state.
   CompilerDispatcherJob(Isolate* isolate, CompilerDispatcherTracer* tracer,
                         Handle<SharedFunctionInfo> shared,
                         size_t max_stack_size);
+  // Creates a CompilerDispatcherJob in the ReadyToCompiler state.
+  // Takes ownership of |zone|, |parse_info|, |compile_info| and |job|.
+  CompilerDispatcherJob(Isolate* isolate, CompilerDispatcherTracer* tracer,
+                        Zone* zone, ParseInfo* parse_info,
+                        CompilationInfo* compile_info, CompilationJob* job,
+                        size_t max_stack_size);
   ~CompilerDispatcherJob();
 
   CompileJobStatus status() const { return status_; }
   bool can_parse_on_background_thread() const {
     return can_parse_on_background_thread_;
   }
   // Should only be called after kReadyToCompile.
   bool can_compile_on_background_thread() const {
     DCHECK(compile_job_.get());
     return can_compile_on_background_thread_;
@@ skipping 30 matching lines @@
   // Estimate how long the next step will take using the tracer.
   double EstimateRuntimeOfNextStepInMs() const;
 
   // Even though the name does not imply this, ShortPrint() must only be invoked
   // on the main thread.
   void ShortPrint();
 
  private:
   FRIEND_TEST(CompilerDispatcherJobTest, ScopeChain);
 
-  CompileJobStatus status_ = CompileJobStatus::kInitial;
+  CompileJobStatus status_;
   Isolate* isolate_;
   CompilerDispatcherTracer* tracer_;
   Handle<SharedFunctionInfo> shared_;  // Global handle.
   Handle<String> source_;        // Global handle.
   size_t max_stack_size_;
 
   // Members required for parsing.
   std::unique_ptr<UnicodeCache> unicode_cache_;
   std::unique_ptr<Zone> zone_;
   std::unique_ptr<Utf16CharacterStream> character_stream_;
@@ skipping 10 matching lines @@
 
   bool trace_compiler_dispatcher_jobs_;
 
   DISALLOW_COPY_AND_ASSIGN(CompilerDispatcherJob);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_DISPATCHER_COMPILER_DISPATCHER_JOB_H_