[module] Track script "module code" status

src/objects.h

 // Copyright 2015 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/assert-scope.h"
@@ skipping 6437 matching lines @@
   // function source. Encoded in the 'flags' field.
   inline bool hide_source();
   inline void set_hide_source(bool value);
 
   // [origin_options]: optional attributes set by the embedder via ScriptOrigin,
   // and used by the embedder to make decisions about the script. V8 just passes
   // this through. Encoded in the 'flags' field.
   inline v8::ScriptOriginOptions origin_options();
   inline void set_origin_options(ScriptOriginOptions origin_options);
 
+  // [is_module]: determins whether the script is an ES2015 module. Encoded in

[vogelheim, 2016/06/14 15:20:49]

nitpick: determins -> determines.

[mike3, 2016/06/19 16:59:00]

Acknowledged.

+  // the 'flags' field.
+  inline bool is_module();
+  inline void set_is_module(bool value);
+
   DECLARE_CAST(Script)
 
   // If script source is an external string, check that the underlying
   // resource is accessible. Otherwise, always return true.
   inline bool HasValidSource();
 
   static Handle<Object> GetNameOrSourceURL(Handle<Script> script);
 
   // Set eval origin for stack trace formatting.
   static void SetEvalOrigin(Handle<Script> script,
@@ skipping 77 matching lines @@
   int GetLineNumberWithArray(int code_pos);
 
   // Bit positions in the flags field.
   static const int kCompilationTypeBit = 0;
   static const int kCompilationStateBit = 1;
   static const int kHideSourceBit = 2;
   static const int kOriginOptionsShift = 3;
   static const int kOriginOptionsSize = 3;
   static const int kOriginOptionsMask = ((1 << kOriginOptionsSize) - 1)
                                         << kOriginOptionsShift;
+  static const int kIsModuleBit = kOriginOptionsShift + kOriginOptionsSize;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(Script);
 };
 
 
 // List of builtin functions we want to identify to improve code
 // generation.
 //
 // Each entry has a name of a global object property holding an object
 // optionally followed by ".prototype", a name of a builtin function
@@ skipping 4232 matching lines @@
     }
     return value;
   }
 };
 
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #endif  // V8_OBJECTS_H_