Improve the CallSite constructor

src/messages.h

 // Copyright 2006-2008 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.
 
 // The infrastructure used for (localized) message reporting in V8.
 //
 // Note: there's a big unresolved issue about ownership of the data
 // structures used by this framework.
 
 #ifndef V8_MESSAGES_H_
@@ skipping 50 matching lines @@
   bool IsToplevel();
   bool IsEval();
   bool IsConstructor();
 
   bool IsValid() { return !fun_.is_null(); }
 
  private:
   Isolate* isolate_;
   Handle<Object> receiver_;
   Handle<JSFunction> fun_;
-  int pos_;
+  int32_t pos_;
 };
 
 
 #define MESSAGE_TEMPLATES(T)                                                   \
   /* Error */                                                                  \
   T(None, "")                                                                  \
   T(CyclicProto, "Cyclic __proto__ value")                                     \
   T(Debugger, "Debugger: %")                                                   \
   T(DebuggerLoading, "Error loading debugger")                                 \
   T(DefaultOptionsMissing, "Internal % error. Default options are missing.")   \
   T(UncaughtException, "Uncaught %")                                           \
   T(Unsupported, "Not supported")                                              \
   T(WrongServiceType, "Internal error, wrong service type: %")                 \
   T(WrongValueType, "Internal error. Wrong value type.")                       \
   /* TypeError */                                                              \
   T(ApplyNonFunction,                                                          \
     "Function.prototype.apply was called on %, which is a % and not a "        \
     "function")                                                                \
   T(ArrayFunctionsOnFrozen, "Cannot modify frozen array elements")             \
   T(ArrayFunctionsOnSealed, "Cannot add/remove sealed array elements")         \
   T(ArrayNotSubclassable, "Subclassing Arrays is not currently supported.")    \
   T(CalledNonCallable, "% is not a function")                                  \
   T(CalledOnNonObject, "% called on non-object")                               \
   T(CalledOnNullOrUndefined, "% called on null or undefined")                  \
+  T(CallSiteExpectsFunction,                                                   \
+    "CallSite expects function as second argument, got %")                     \
   T(CannotConvertToPrimitive, "Cannot convert object to primitive value")      \
   T(CannotPreventExt, "Cannot prevent extensions")                             \
   T(CannotFreezeArrayBufferView,                                               \
     "Cannot freeze array buffer views with elements")                          \
   T(CircularStructure, "Converting circular structure to JSON")                \
   T(ConstAssign, "Assignment to constant variable.")                           \
   T(ConstructorNonCallable,                                                    \
     "Class constructor % cannot be invoked without 'new'")                     \
   T(ConstructorNotFunction, "Constructor % requires 'new'")                    \
   T(CurrencyCode, "Currency code is required with currency style.")            \
@@ skipping 375 matching lines @@
   static Handle<String> GetMessage(Isolate* isolate, Handle<Object> data);
   static base::SmartArrayPointer<char> GetLocalizedMessage(Isolate* isolate,
                                                            Handle<Object> data);
 };
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_MESSAGES_H_