[Isolates] Begin removing [static] from Top....

src/isolate.h

 // Copyright 2010 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 21 matching lines @@
 #include "heap.h"
 #include "execution.h"
 #include "zone.h"
 
 namespace v8 {
 namespace internal {
 
 class Bootstrapper;
 class Deserializer;
 class HandleScopeImplementer;
+class SaveContext;
 class StubCache;
 
+class ThreadLocalTop BASE_EMBEDDED {
+ public:
+  // Initialize the thread data.
+  void Initialize();
+
+  // Get the top C++ try catch handler or NULL if none are registered.
+  //
+  // This method is not guarenteed to return an address that can be
+  // used for comparison with addresses into the JS stack.  If such an
+  // address is needed, use try_catch_handler_address.
+  v8::TryCatch* TryCatchHandler();
+
+  // Get the address of the top C++ try catch handler or NULL if
+  // none are registered.
+  //
+  // This method always returns an address that can be compared to
+  // pointers into the JavaScript stack.  When running on actual
+  // hardware, try_catch_handler_address and TryCatchHandler return
+  // the same pointer.  When running on a simulator with a separate JS
+  // stack, try_catch_handler_address returns a JS stack address that
+  // corresponds to the place on the JS stack where the C++ handler
+  // would have been if the stack were not separate.
+  inline Address try_catch_handler_address() {
+    return try_catch_handler_address_;
+  }
+
+  // Set the address of the top C++ try catch handler.
+  inline void set_try_catch_handler_address(Address address) {
+    try_catch_handler_address_ = address;
+  }
+
+  void Free() {
+    ASSERT(!has_pending_message_);
+    ASSERT(!external_caught_exception_);
+    ASSERT(try_catch_handler_address_ == NULL);
+  }
+
+  // The context where the current execution method is created and for variable
+  // lookups.
+  Context* context_;
+  int thread_id_;
+  Object* pending_exception_;
+  bool has_pending_message_;
+  const char* pending_message_;
+  Object* pending_message_obj_;
+  Script* pending_message_script_;
+  int pending_message_start_pos_;
+  int pending_message_end_pos_;
+  // Use a separate value for scheduled exceptions to preserve the
+  // invariants that hold about pending_exception.  We may want to
+  // unify them later.
+  Object* scheduled_exception_;
+  bool external_caught_exception_;
+  SaveContext* save_context_;
+  v8::TryCatch* catcher_;
+
+  // Stack.
+  Address c_entry_fp_;  // the frame pointer of the top c entry frame
+  Address handler_;   // try-blocks are chained through the stack
+#ifdef ENABLE_LOGGING_AND_PROFILING
+  Address js_entry_sp_;  // the stack pointer of the bottom js entry frame
+#endif
+  bool stack_is_cooked_;
+  inline bool stack_is_cooked() { return stack_is_cooked_; }
+  inline void set_stack_is_cooked(bool value) { stack_is_cooked_ = value; }
+
+  // Generated code scratch locations.
+  int32_t formal_count_;
+
+  // Call back function to report unsafe JS accesses.
+  v8::FailedAccessCheckCallback failed_access_check_callback_;
+
+ private:
+  Address try_catch_handler_address_;
+};
+
 #define ISOLATE_INIT_ARRAY_LIST(V)                                             \
   /* SerializerDeserializer state. */                                          \
   V(Object*, serialize_partial_snapshot_cache, kPartialSnapshotCacheCapacity)
 
 #define ISOLATE_INIT_LIST(V)                                                   \
   /* AssertNoZoneAllocation state. */                                          \
   V(bool, zone_allow_allocation, true)                                         \
   /* SerializerDeserializer state. */                                          \
   V(int, serialize_partial_snapshot_cache_length, 0)
 
@@ skipping 24 matching lines @@
 
   // Debug.
   // Mutex for serializing access to break control structures.
   Mutex* break_access() { return break_access_; }
 
   // Accessors.
   Bootstrapper* bootstrapper() { return bootstrapper_; }
   StackGuard* stack_guard() { return &stack_guard_; }
   Heap* heap() { return &heap_; }
   StubCache* stub_cache() { return stub_cache_; }
+  ThreadLocalTop* thread_local_top() { return &thread_local_top_; }
 
   TranscendentalCache* transcendental_cache() const {
     return transcendental_cache_;
   }
 
   v8::ImplementationUtilities::HandleScopeData* handle_scope_data() {
     return &handle_scope_data_;
   }
   HandleScopeImplementer* handle_scope_implementer() {
     ASSERT(handle_scope_implementer_);
@@ skipping 26 matching lines @@
     INITIALIZED       // All components are fully initialized.
   };
 
   State state_;
 
   Bootstrapper* bootstrapper_;
   Mutex* break_access_;
   Heap heap_;
   StackGuard stack_guard_;
   StubCache* stub_cache_;
+  ThreadLocalTop thread_local_top_;
   TranscendentalCache* transcendental_cache_;
   v8::ImplementationUtilities::HandleScopeData handle_scope_data_;
   HandleScopeImplementer* handle_scope_implementer_;
   Zone zone_;
 
 #define GLOBAL_BACKING_STORE(type, name, initialvalue)                         \
   type name##_;
   ISOLATE_INIT_LIST(GLOBAL_BACKING_STORE)
 #undef GLOBAL_BACKING_STORE
 
@@ skipping 60 matching lines @@
 
 
 // Temporary macro to be used to flag classes that are completely converted
 // to be isolate-friendly. Their mix of static/nonstatic methods/fields is
 // correct.
 #define ISOLATED_CLASS class
 
 } }  // namespace v8::internal
 
 #endif  // V8_ISOLATE_H_