[Interpreter] Support top-level code.

src/objects.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 
 #include "src/allocation.h"
@@ skipping 8667 matching lines @@
   // Conversion.
   inline bool AsArrayIndex(uint32_t* index);
 
   DECLARE_CAST(String)
 
   void PrintOn(FILE* out);
 
   // For use during stack traces.  Performs rudimentary sanity check.
   bool LooksValid();
 
+  // Used for flags such as --hydrogen-filter.
+  bool PassesFilter(const char* raw_filter);

[Michael Starzinger, 2015/10/07 09:53:29]

As discussed offline: Can we add a TODO here that this is a temporary workaround
until compiler.cc can use JSFunction::PassesFilter for top-level code. Feel free
to name me in the TODO.

[rmcilroy, 2015/10/07 10:05:37]

Added TODO.

+
   // Dispatched behavior.
   void StringShortPrint(StringStream* accumulator);
   void PrintUC16(std::ostream& os, int start = 0, int end = -1);  // NOLINT
 #if defined(DEBUG) || defined(OBJECT_PRINT)
   char* ToAsciiArray();
 #endif
   DECLARE_PRINTER(String)
   DECLARE_VERIFIER(String)
 
   inline bool IsFlat();
@@ skipping 1964 matching lines @@
   Handle<FixedArray> keys_;
   Handle<OrderedHashSet> set_;
   int length_;
   DISALLOW_COPY_AND_ASSIGN(KeyAccumulator);
 };
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #endif  // V8_OBJECTS_H_