Initial design for background compilation

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"
 #include "vm/base_isolate.h"
 #include "vm/class_table.h"
 #include "vm/handles.h"
 #include "vm/megamorphic_cache_table.h"
 #include "vm/metrics.h"
 #include "vm/random.h"
 #include "vm/tags.h"
 #include "vm/thread.h"
 #include "vm/os_thread.h"
 #include "vm/timeline.h"
 #include "vm/timer.h"
 #include "vm/trace_buffer.h"
 
 namespace dart {
 
 // Forward declarations.
 class AbstractType;
 class ApiState;
 class Array;
+class BackgroundCompiler;
 class Capability;
 class CHA;
 class Class;
 class Code;
 class CodeIndexTable;
 class CompilerStats;
 class Debugger;
 class DeoptContext;
 class Error;
 class ExceptionHandlers;
@@ skipping 553 matching lines @@
   TraceBuffer* trace_buffer() {
     return trace_buffer_;
   }
 
   DeoptContext* deopt_context() const { return deopt_context_; }
   void set_deopt_context(DeoptContext* value) {
     ASSERT(value == NULL || deopt_context_ == NULL);
     deopt_context_ = value;
   }
 
+  BackgroundCompiler* background_compiler() const {
+    return background_compiler_;
+  }
+  void set_background_compiler(BackgroundCompiler* value) {
+    background_compiler_ = value;
+  }
+
   void UpdateLastAllocationProfileAccumulatorResetTimestamp() {
     last_allocationprofile_accumulator_reset_timestamp_ =
         OS::GetCurrentTimeMillis();
   }
 
   int64_t last_allocationprofile_accumulator_reset_timestamp() const {
     return last_allocationprofile_accumulator_reset_timestamp_;
   }
 
   void UpdateLastAllocationProfileGCTimestamp() {
@@ skipping 76 matching lines @@
   void set_current_tag(const UserTag& tag);
 
   RawUserTag* default_tag() const { return default_tag_; }
   void set_default_tag(const UserTag& tag);
 
   RawGrowableObjectArray* collected_closures() const {
     return collected_closures_;
   }
   void set_collected_closures(const GrowableObjectArray& value);
 
+  RawGrowableObjectArray* background_compilation_queue() const {
+    return background_compilation_queue_;
+  }
+  void set_background_compilation_queue(const GrowableObjectArray& value);
+
   Metric* metrics_list_head() {
     return metrics_list_head_;
   }
 
   void set_metrics_list_head(Metric* metric) {
     metrics_list_head_ = metric;
   }
 
   RawGrowableObjectArray* deoptimized_code_array() const {
     return deoptimized_code_array_;
@@ skipping 158 matching lines @@
   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* collected_closures_;
   RawGrowableObjectArray* deoptimized_code_array_;
+  RawGrowableObjectArray* background_compilation_queue_;
 
   // We use 6 list entries for each pending service extension calls.
   enum {
     kPendingHandlerIndex = 0,
     kPendingMethodNameIndex,
     kPendingKeysIndex,
     kPendingValuesIndex,
     kPendingReplyPortIndex,
     kPendingIdIndex,
     kPendingEntrySize
@@ skipping 222 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_