More work for background compilation; move pending_functions_ from ObjectStore to Thread.

runtime/vm/isolate.h

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_ISOLATE_H_
 #define VM_ISOLATE_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/atomic.h"
@@ skipping 735 matching lines @@
     mutator_thread_ = thread;
   }
 #if defined(DEBUG)
   bool IsIsolateOf(Thread* thread);
 #endif  // DEBUG
 
   // Accessed from generated code:
   uword stack_limit_;
   StoreBuffer* store_buffer_;
   Heap* heap_;
-  uword vm_tag_;
   uword user_tag_;
   RawUserTag* current_tag_;
   RawUserTag* default_tag_;
   ClassTable class_table_;
   bool single_step_;
 
   ThreadRegistry* thread_registry_;
   Dart_MessageNotifyCallback message_notify_callback_;
   char* name_;
   char* debugger_name_;
   int64_t start_time_;
   Dart_Port main_port_;
   Dart_Port origin_id_;  // Isolates created by spawnFunc have some origin id.
   uint64_t pause_capability_;
   uint64_t terminate_capability_;
   bool errors_fatal_;
   ObjectStore* object_store_;
   uword top_exit_frame_info_;
   void* init_callback_data_;
   Dart_EnvironmentCallback environment_callback_;
   Dart_LibraryTagHandler library_tag_handler_;
   ApiState* api_state_;
   Debugger* debugger_;
   bool resume_request_;
   int64_t last_resume_timestamp_;
   bool has_compiled_code_;  // Can check that no compilation occured.
   Flags flags_;
   Random random_;
   Simulator* simulator_;
-  Mutex* mutex_;  // protects stack_limit_ and saved_stack_limit_.
+  Mutex* mutex_;  // protects stack_limit_, saved_stack_limit_, compiler stats.
   uword saved_stack_limit_;
   uword stack_base_;
   uword stack_overflow_flags_;
   int32_t stack_overflow_count_;
   MessageHandler* message_handler_;
   IsolateSpawnState* spawn_state_;
   bool is_runnable_;
   Dart_GcPrologueCallback gc_prologue_callback_;
   Dart_GcEpilogueCallback gc_epilogue_callback_;
   intptr_t defer_finalization_count_;
   DeoptContext* deopt_context_;
-  BackgroundCompiler* background_compiler_;
 
   CompilerStats* compiler_stats_;
 
   bool is_service_isolate_;
 
   // Status support.
   char* stacktrace_;
   intptr_t stack_frame_index_;
 
   // Timestamps of last operation via service.
   int64_t last_allocationprofile_accumulator_reset_timestamp_;
   int64_t last_allocationprofile_gc_timestamp_;
 
   // Ring buffer of objects assigned an id.
   ObjectIdRing* object_id_ring_;
 
   // Trace buffer support.
   TraceBuffer* trace_buffer_;
 
   IsolateProfilerData* profiler_data_;
   Mutex profiler_data_mutex_;
 
   VMTagCounters vm_tag_counters_;
   RawGrowableObjectArray* tag_table_;
 
+  RawGrowableObjectArray* deoptimized_code_array_;
 
-  RawGrowableObjectArray* deoptimized_code_array_;
+  // Background compilation.
+  BackgroundCompiler* background_compiler_;
   RawGrowableObjectArray* background_compilation_queue_;
 
   // We use 6 list entries for each pending service extension calls.
   enum {
     kPendingHandlerIndex = 0,
     kPendingMethodNameIndex,
     kPendingKeysIndex,
     kPendingValuesIndex,
     kPendingReplyPortIndex,
     kPendingIdIndex,
@@ skipping 209 matching lines @@
   uint8_t* serialized_message_;
   intptr_t serialized_message_len_;
   Isolate::Flags isolate_flags_;
   bool paused_;
   bool errors_are_fatal_;
 };
 
 }  // namespace dart
 
 #endif  // VM_ISOLATE_H_