ES6: Desugaring of instanceof to support @@hasInstance

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 76 matching lines @@
     "Function.prototype.apply was called on %, which is a % and not a "        \
     "function")                                                                \
   T(ArrayBufferTooShort,                                                       \
     "Derived ArrayBuffer constructor created a buffer which was too small")    \
   T(ArrayBufferSpeciesThis,                                                    \
     "ArrayBuffer subclass returned this from species constructor")             \
   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(CalledNonCallableInstanceOf, "right-hand side 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(ConstructAbstractClass, "Abstract class % not directly constructable")     \
@@ skipping 402 matching lines @@
   T(UnexpectedToken, "Unexpected token %")                                     \
   T(UnexpectedTokenIdentifier, "Unexpected identifier")                        \
   T(UnexpectedTokenNumber, "Unexpected number")                                \
   T(UnexpectedTokenString, "Unexpected string")                                \
   T(UnexpectedTokenRegExp, "Unexpected regular expression")                    \
   T(UnknownLabel, "Undefined label '%'")                                       \
   T(UnterminatedArgList, "missing ) after argument list")                      \
   T(UnterminatedRegExp, "Invalid regular expression: missing /")               \
   T(UnterminatedTemplate, "Unterminated template literal")                     \
   T(UnterminatedTemplateExpr, "Missing } in template expression")              \
+  T(FoundNonCallableHasInstance, "Found non-callable @@hasInstance")           \
+  T(NonObjectInInstanceOfCheck, "Expecting an object in instanceof check")     \
   /* EvalError */                                                              \
   T(CodeGenFromStrings, "%")                                                   \
   /* URIError */                                                               \
   T(URIMalformed, "URI malformed")
 
 class MessageTemplate {
  public:
   enum Template {
 #define TEMPLATE(NAME, STRING) k##NAME,
     MESSAGE_TEMPLATES(TEMPLATE)
@@ skipping 32 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_