Reland "Remove Failure::OutOfMemory propagation and V8::IgnoreOutOfMemoryException."

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 270 matching lines @@
 
   // Generated code scratch locations.
   int32_t formal_count_;
 
   // Call back function to report unsafe JS accesses.
   v8::FailedAccessCheckCallback failed_access_check_callback_;
 
   // Head of the list of live LookupResults.
   LookupResult* top_lookup_result_;
 
-  // Whether out of memory exceptions should be ignored.
-  bool ignore_out_of_memory_;
-
  private:
   void InitializeInternal();
 
   Address try_catch_handler_address_;
 };
 
 
 #ifdef ENABLE_DEBUGGER_SUPPORT
 
 #define ISOLATE_DEBUGGER_INIT_LIST(V)                                          \
@@ skipping 330 matching lines @@
   bool has_scheduled_exception() {
     return thread_local_top_.scheduled_exception_ != heap_.the_hole_value();
   }
   void clear_scheduled_exception() {
     thread_local_top_.scheduled_exception_ = heap_.the_hole_value();
   }
 
   bool IsExternallyCaught();
 
   bool is_catchable_by_javascript(MaybeObject* exception) {
-    return (!exception->IsOutOfMemory()) &&
-        (exception != heap()->termination_exception());
+    return exception != heap()->termination_exception();
   }
 
   // Serializer.
   void PushToPartialSnapshotCache(Object* obj);
 
   // JS execution stack (see frames.h).
   static Address c_entry_fp(ThreadLocalTop* thread) {
     return thread->c_entry_fp_;
   }
   static Address handler(ThreadLocalTop* thread) { return thread->handler_; }
@@ skipping 58 matching lines @@
     Isolate* isolate_;
     Handle<Object> pending_exception_;
     v8::TryCatch* catcher_;
   };
 
   void SetCaptureStackTraceForUncaughtExceptions(
       bool capture,
       int frame_limit,
       StackTrace::StackTraceOptions options);
 
-  // Tells whether the current context has experienced an out of memory
-  // exception.
-  bool is_out_of_memory();
-
-  THREAD_LOCAL_TOP_ACCESSOR(bool,  ignore_out_of_memory)
-
   void PrintCurrentStackTrace(FILE* out);
   void PrintStack(StringStream* accumulator);
   void PrintStack(FILE* out);
   Handle<String> StackTraceString();
   NO_INLINE(void PushStackTraceAndDie(unsigned int magic,
                                       Object* object,
                                       Map* map,
                                       unsigned int magic2));
   Handle<JSArray> CaptureCurrentStackTrace(
       int frame_limit,
@@ skipping 728 matching lines @@
     if (--stack_guard_->thread_local_.postpone_interrupts_nesting_ == 0) {
       stack_guard_->EnableInterrupts();
     }
   }
  private:
   StackGuard* stack_guard_;
   Isolate* isolate_;
 };
 
 
-// Tells whether the native context is marked with out of memory.
-inline bool Context::has_out_of_memory() {
-  return native_context()->out_of_memory()->IsTrue();
-}
-
-
-// Mark the native context with out of memory.
-inline void Context::mark_out_of_memory() {
-  native_context()->set_out_of_memory(GetIsolate()->heap()->true_value());
-}
-
 class CodeTracer V8_FINAL : public Malloced {
  public:
   explicit CodeTracer(int isolate_id)
       : file_(NULL),
         scope_depth_(0) {
     if (!ShouldRedirect()) {
       file_ = stdout;
       return;
     }
 
@@ skipping 51 matching lines @@
   }
 
   EmbeddedVector<char, 128> filename_;
   FILE* file_;
   int scope_depth_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_ISOLATE_H_