Profiler experiments: prevent self-optimization for V8 Extensions

src/scopes.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 354 matching lines @@
 
   int StackLocalCount() const;
   int ContextLocalCount() const;
 
   // Make sure this scope and all outer scopes are eagerly compiled.
   void ForceEagerCompilation()  { force_eager_compilation_ = true; }
 
   // Determine if we can use lazy compilation for this scope.
   bool AllowsLazyCompilation() const;
 
+  // True if we can lazily recompile functions with this scope.
+  bool allows_lazy_recompilation() const {
+    return !force_eager_compilation_;
+  }
+
   // True if the outer context of this scope is always the global context.
   bool HasTrivialOuterContext() const;
 
   // The number of contexts between this and scope; zero if this == scope.
   int ContextChainLength(Scope* scope);
 
   // Find the first function, global, or eval scope.  This is the scope
   // where var declarations will be hoisted to in the implementation.
   Scope* DeclarationScope();
 
@@ skipping 196 matching lines @@
   }
 
   void SetDefaults(ScopeType type,
                    Scope* outer_scope,
                    Handle<ScopeInfo> scope_info);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_SCOPES_H_