Separate output files for --trace-hydrogen.

src/isolate.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 50 matching lines @@
 class CpuFeatures;
 class CpuProfiler;
 class DeoptimizerData;
 class Deserializer;
 class EmptyStatement;
 class ExternalReferenceTable;
 class Factory;
 class FunctionInfoListener;
 class HandleScopeImplementer;
 class HeapProfiler;
+class HTracer;
 class InlineRuntimeFunctionsTable;
 class NoAllocationStringAllocator;
 class InnerPointerToCodeCache;
 class MarkingThread;
 class PreallocatedMemoryThread;
 class RegExpStack;
 class SaveContext;
 class UnicodeCache;
 class ConsStringIteratorOp;
 class StringTracker;
@@ skipping 283 matching lines @@
   /* Serializer state. */                                                      \
   V(ExternalReferenceTable*, external_reference_table, NULL)                   \
   /* AstNode state. */                                                         \
   V(int, ast_node_id, 0)                                                       \
   V(unsigned, ast_node_count, 0)                                               \
   /* SafeStackFrameIterator activations count. */                              \
   V(int, safe_stack_iterator_counter, 0)                                       \
   V(CpuProfiler*, cpu_profiler, NULL)                                          \
   V(HeapProfiler*, heap_profiler, NULL)                                        \
   V(bool, observer_delivery_pending, false)                                    \
+  V(HTracer*, htracer, NULL)                                                   \
   ISOLATE_DEBUGGER_INIT_LIST(V)
 
 class Isolate {
   // These forward declarations are required to make the friend declarations in
   // PerIsolateThreadData work on some older versions of gcc.
   class ThreadDataTable;
   class EntryStackItem;
  public:
   ~Isolate();
 
@@ skipping 708 matching lines @@
   static v8::Isolate* GetDefaultIsolateForLocking();
 
   MarkingThread** marking_threads() {
     return marking_thread_;
   }
 
   SweeperThread** sweeper_threads() {
     return sweeper_thread_;
   }
 
+  HTracer* GetHTracer();
+
  private:
   Isolate();
 
+  int id() const { return static_cast<int>(id_); }
+
   friend struct GlobalState;
   friend struct InitializeGlobalState;
 
   enum State {
     UNINITIALIZED,    // Some components may not have been allocated.
     INITIALIZED       // All components are fully initialized.
   };
 
   // These fields are accessed through the API, offsets must be kept in sync
   // with v8::internal::Internals (in include/v8.h) constants. This is also
@@ skipping 47 matching lines @@
   // This mutex protects highest_thread_id_, thread_data_table_ and
   // default_isolate_.
   static Mutex* process_wide_mutex_;
 
   static Thread::LocalStorageKey per_isolate_thread_data_key_;
   static Thread::LocalStorageKey isolate_key_;
   static Thread::LocalStorageKey thread_id_key_;
   static Isolate* default_isolate_;
   static ThreadDataTable* thread_data_table_;
 
+  // A global counter for all generated Isolates, might overflow.
+  static Atomic32 isolate_counter_;
+
   void Deinit();
 
   static void SetIsolateThreadLocals(Isolate* isolate,
                                      PerIsolateThreadData* data);
 
   // Allocate and insert PerIsolateThreadData into the ThreadDataTable
   // (regardless of whether such data already exists).
   PerIsolateThreadData* AllocatePerIsolateThreadData(ThreadId thread_id);
 
   // Find the PerThread for this particular (isolate, thread) combination.
@@ skipping 24 matching lines @@
   void FillCache();
 
   void PropagatePendingExceptionToExternalTryCatch();
 
   void InitializeDebugger();
 
   // Traverse prototype chain to find out whether the object is derived from
   // the Error object.
   bool IsErrorObject(Handle<Object> obj);
 
+  Atomic32 id_;
   EntryStackItem* entry_stack_;
   int stack_trace_nesting_level_;
   StringStream* incomplete_message_;
   // The preallocated memory thread singleton.
   PreallocatedMemoryThread* preallocated_memory_thread_;
   Address isolate_addresses_[kIsolateAddressCount + 1];  // NOLINT
   NoAllocationStringAllocator* preallocated_message_space_;
   Bootstrapper* bootstrapper_;
   RuntimeProfiler* runtime_profiler_;
   CompilationCache* compilation_cache_;
@@ skipping 249 matching lines @@
 
 // Mark the native context with out of memory.
 inline void Context::mark_out_of_memory() {
   native_context()->set_out_of_memory(HEAP->true_value());
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ISOLATE_H_