Experimental parser: merge r19949

src/isolate.cc

 // 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 436 matching lines @@
                                                  Handle<Object> caller,
                                                  int limit) {
   limit = Max(limit, 0);  // Ensure that limit is not negative.
   int initial_size = Min(limit, 10);
   Handle<FixedArray> elements =
       factory()->NewFixedArrayWithHoles(initial_size * 4 + 1);
 
   // If the caller parameter is a function we skip frames until we're
   // under it before starting to collect.
   bool seen_caller = !caller->IsJSFunction();
-  // First element is reserved to store the number of non-strict frames.
+  // First element is reserved to store the number of sloppy frames.
   int cursor = 1;
   int frames_seen = 0;
-  int non_strict_frames = 0;
+  int sloppy_frames = 0;
   bool encountered_strict_function = false;
   for (StackFrameIterator iter(this);
        !iter.done() && frames_seen < limit;
        iter.Advance()) {
     StackFrame* raw_frame = iter.frame();
     if (IsVisibleInStackTrace(raw_frame, *caller, &seen_caller)) {
       frames_seen++;
       JavaScriptFrame* frame = JavaScriptFrame::cast(raw_frame);
       // Set initial size to the maximum inlining level + 1 for the outermost
       // function.
@@ skipping 10 matching lines @@
           elements = new_elements;
         }
         ASSERT(cursor + 4 <= elements->length());
 
         Handle<Object> recv = frames[i].receiver();
         Handle<JSFunction> fun = frames[i].function();
         Handle<Code> code = frames[i].code();
         Handle<Smi> offset(Smi::FromInt(frames[i].offset()), this);
         // The stack trace API should not expose receivers and function
         // objects on frames deeper than the top-most one with a strict
-        // mode function.  The number of non-strict frames is stored as
+        // mode function.  The number of sloppy frames is stored as
         // first element in the result array.
         if (!encountered_strict_function) {
-          if (!fun->shared()->is_classic_mode()) {
+          if (fun->shared()->strict_mode() == STRICT) {
             encountered_strict_function = true;
           } else {
-            non_strict_frames++;
+            sloppy_frames++;
           }
         }
         elements->set(cursor++, *recv);
         elements->set(cursor++, *fun);
         elements->set(cursor++, *code);
         elements->set(cursor++, *offset);
       }
     }
   }
-  elements->set(0, Smi::FromInt(non_strict_frames));
+  elements->set(0, Smi::FromInt(sloppy_frames));
   Handle<JSArray> result = factory()->NewJSArrayWithElements(elements);
   result->set_length(Smi::FromInt(cursor));
   return result;
 }
 
 
 void Isolate::CaptureAndSetDetailedStackTrace(Handle<JSObject> error_object) {
   if (capture_stack_trace_for_uncaught_exceptions_) {
     // Capture stack trace for a detailed exception message.
     Handle<String> key = factory()->hidden_stack_trace_string();
@@ skipping 254 matching lines @@
         native_context->security_token())
       return YES;
   }
 
   return UNKNOWN;
 }
 
 
 bool Isolate::MayNamedAccess(JSObject* receiver, Object* key,
                              v8::AccessType type) {
-  ASSERT(receiver->IsAccessCheckNeeded());
+  ASSERT(receiver->IsJSGlobalProxy() || receiver->IsAccessCheckNeeded());
 
   // The callers of this method are not expecting a GC.
   DisallowHeapAllocation no_gc;
 
   // Skip checks for hidden properties access.  Note, we do not
   // require existence of a context in this case.
   if (key == heap_.hidden_string()) return true;
 
   // Check for compatibility between the security tokens in the
   // current lexical context and the accessed object.
@@ skipping 30 matching lines @@
                       type,
                       v8::Utils::ToLocal(data));
   }
   return result;
 }
 
 
 bool Isolate::MayIndexedAccess(JSObject* receiver,
                                uint32_t index,
                                v8::AccessType type) {
-  ASSERT(receiver->IsAccessCheckNeeded());
+  ASSERT(receiver->IsJSGlobalProxy() || receiver->IsAccessCheckNeeded());
   // Check for compatibility between the security tokens in the
   // current lexical context and the accessed object.
   ASSERT(context());
 
   MayAccessDecision decision = MayAccessPreCheck(this, receiver, type);
   if (decision != UNKNOWN) return decision == YES;
 
   // Get indexed access check callback
   JSFunction* constructor = JSFunction::cast(receiver->map()->constructor());
   if (!constructor->shared()->IsApiFunction()) return false;
@@ skipping 700 matching lines @@
       context_slot_cache_(NULL),
       descriptor_lookup_cache_(NULL),
       handle_scope_implementer_(NULL),
       unicode_cache_(NULL),
       runtime_zone_(this),
       inner_pointer_to_code_cache_(NULL),
       write_iterator_(NULL),
       global_handles_(NULL),
       eternal_handles_(NULL),
       thread_manager_(NULL),
-      fp_stubs_generated_(false),
       has_installed_extensions_(false),
       string_tracker_(NULL),
       regexp_stack_(NULL),
       date_cache_(NULL),
       code_stub_interface_descriptors_(NULL),
       call_descriptors_(NULL),
       // TODO(bmeurer) Initialized lazily because it depends on flags; can
       // be fixed once the default isolate cleanup is done.
       random_number_generator_(NULL),
       has_fatal_error_(false),
       use_crankshaft_(true),
       initialized_from_snapshot_(false),
       cpu_profiler_(NULL),
       heap_profiler_(NULL),
       function_entry_hook_(NULL),
       deferred_handles_head_(NULL),
       optimizing_compiler_thread_(NULL),
       sweeper_thread_(NULL),
       num_sweeper_threads_(0),
-      max_available_threads_(0),
       stress_deopt_count_(0),
       lexer_gc_handler_(0),
       next_optimization_id_(0) {
   id_ = NoBarrier_AtomicIncrement(&isolate_counter_, 1);
   TRACE_ISOLATE(constructor);
 
   memset(isolate_addresses_, 0,
       sizeof(isolate_addresses_[0]) * (kIsolateAddressCount + 1));
 
   heap_.isolate_ = this;
   stack_guard_.isolate_ = this;
 
   // ThreadManager is initialized early to support locking an isolate
   // before it is entered.
   thread_manager_ = new ThreadManager();
   thread_manager_->isolate_ = this;
 
-#if V8_TARGET_ARCH_ARM && !defined(__arm__) || \
-    V8_TARGET_ARCH_A64 && !defined(__aarch64__) || \
-    V8_TARGET_ARCH_MIPS && !defined(__mips__)
-  simulator_initialized_ = false;
-  simulator_i_cache_ = NULL;
-  simulator_redirection_ = NULL;
-#endif
-
 #ifdef DEBUG
   // heap_histograms_ initializes itself.
   memset(&js_spill_information_, 0, sizeof(js_spill_information_));
-  memset(code_kind_statistics_, 0,
-         sizeof(code_kind_statistics_[0]) * Code::NUMBER_OF_KINDS);
 #endif
 
 #ifdef ENABLE_DEBUGGER_SUPPORT
   debug_ = NULL;
   debugger_ = NULL;
 #endif
 
   handle_scope_data_.Initialize();
 
 #define ISOLATE_INIT_EXECUTE(type, name, initial_value)                        \
@@ skipping 400 matching lines @@
   if (create_heap_objects) {
     // Terminate the cache array with the sentinel so we can iterate.
     PushToPartialSnapshotCache(heap_.undefined_value());
   }
 
   InitializeThreadLocal();
 
   bootstrapper_->Initialize(create_heap_objects);
   builtins_.SetUp(this, create_heap_objects);
 
+  if (FLAG_log_internal_timer_events) {
+    set_event_logger(Logger::LogInternalEvents);
+  } else {
+    set_event_logger(Logger::EmptyLogInternalEvents);
+  }
+
   // Set default value if not yet set.
   // TODO(yangguo): move this to ResourceConstraints::ConfigureDefaults
   // once ResourceConstraints becomes an argument to the Isolate constructor.
   if (max_available_threads_ < 1) {
     // Choose the default between 1 and 4.
     max_available_threads_ = Max(Min(CPU::NumberOfProcessorsOnline(), 4), 1);
   }
 
   if (!FLAG_job_based_sweeping) {
     num_sweeper_threads_ =
@@ skipping 294 matching lines @@
 
 #ifdef DEBUG
 #define ISOLATE_FIELD_OFFSET(type, name, ignored)                       \
 const intptr_t Isolate::name##_debug_offset_ = OFFSET_OF(Isolate, name##_);
 ISOLATE_INIT_LIST(ISOLATE_FIELD_OFFSET)
 ISOLATE_INIT_ARRAY_LIST(ISOLATE_FIELD_OFFSET)
 #undef ISOLATE_FIELD_OFFSET
 #endif
 
 } }  // namespace v8::internal