Move bootstrap scripts and token streams to the VM isolate so that they become read only objects. T…

runtime/vm/dart.cc

 // 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.
 
 #include "vm/dart.h"
 
 #include "vm/code_observers.h"
 #include "vm/cpu.h"
 #include "vm/dart_api_state.h"
 #include "vm/dart_entry.h"
@@ skipping 138 matching lines @@
         OS::Print("Size of vm isolate snapshot = %" Pd "\n",
                   snapshot->length());
         vm_isolate_->heap()->PrintSizes();
         vm_isolate_->megamorphic_cache_table()->PrintSizes();
         intptr_t size;
         intptr_t capacity;
         Symbols::GetStats(vm_isolate_, &size, &capacity);
         OS::Print("VM Isolate: Number of symbols : %" Pd "\n", size);
         OS::Print("VM Isolate: Symbol table capacity : %" Pd "\n", capacity);
       }
-      Symbols::InitOnceFromSnapshot(vm_isolate_);
     } else {
       Symbols::InitOnce(vm_isolate_);
     }
     Scanner::InitOnce();
 #if defined(TARGET_ARCH_IA32) || defined(TARGET_ARCH_X64)
     // Dart VM requires at least SSE2.
     if (!TargetCPUFeatures::sse2_supported()) {
       return "SSE2 is required.";
     }
 #endif
@@ skipping 180 matching lines @@
   return predefined_handles_->handles_.AllocateScopedHandle();
 }
 
 
 bool Dart::IsReadOnlyHandle(uword address) {
   ASSERT(predefined_handles_ != NULL);
   return predefined_handles_->handles_.IsValidScopedHandle(address);
 }
 
 }  // namespace dart