Unify TypeError messages

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 278 matching lines @@
   T(ConstructorNotFunction, "Constructor % requires 'new'")                    \
   T(ConstructorNotReceiver, "The .constructor property is not an object")      \
   T(CurrencyCode, "Currency code is required with currency style.")            \
   T(CyclicModuleDependency, "Detected cycle while resolving name '%'")         \
   T(DataViewNotArrayBuffer,                                                    \
     "First argument to DataView constructor must be an ArrayBuffer")           \
   T(DateType, "this is not a Date object.")                                    \
   T(DebuggerFrame, "Debugger: Invalid frame index.")                           \
   T(DebuggerType, "Debugger: Parameters have wrong types.")                    \
   T(DeclarationMissingInitializer, "Missing initializer in % declaration")     \
-  T(DefineDisallowed, "Cannot define property:%, object is not extensible.")   \
+  T(DefineDisallowed, "Cannot define property %, object is not extensible")    \
   T(DetachedOperation, "Cannot perform % on a detached ArrayBuffer")           \
   T(DuplicateTemplateProperty, "Object template has duplicate property '%'")   \
   T(ExtendsValueNotConstructor,                                                \
     "Class extends value % is not a constructor or null")                      \
   T(FirstArgumentNotRegExp,                                                    \
     "First argument to % must not be a regular expression")                    \
   T(FunctionBind, "Bind must be called on a function")                         \
   T(GeneratorRunning, "Generator is already running")                          \
   T(IllegalInvocation, "Illegal invocation")                                   \
   T(ImmutablePrototypeSet,                                                     \
@@ skipping 35 matching lines @@
   T(NotPropertyName, "% is not a valid property name")                         \
   T(NotTypedArray, "this is not a typed array.")                               \
   T(NotSuperConstructor, "Super constructor % of % is not a constructor")      \
   T(NotSuperConstructorAnonymousClass,                                         \
     "Super constructor % of anonymous class is not a constructor")             \
   T(NotIntegerSharedTypedArray, "% is not an integer shared typed array.")     \
   T(NotInt32SharedTypedArray, "% is not an int32 shared typed array.")         \
   T(ObjectGetterExpectingFunction,                                             \
     "Object.prototype.__defineGetter__: Expecting function")                   \
   T(ObjectGetterCallable, "Getter must be a function: %")                      \
-  T(ObjectNotExtensible, "Can't add property %, object is not extensible")     \
+  T(ObjectNotExtensible, "Cannot add property %, object is not extensible")    \
   T(ObjectSetterExpectingFunction,                                             \
     "Object.prototype.__defineSetter__: Expecting function")                   \
   T(ObjectSetterCallable, "Setter must be a function: %")                      \
   T(OrdinaryFunctionCalledAsConstructor,                                       \
     "Function object that's not a constructor was created with new")           \
   T(PromiseCyclic, "Chaining cycle detected for promise %")                    \
   T(PromiseExecutorAlreadyInvoked,                                             \
     "Promise executor has already been invoked with non-undefined arguments")  \
   T(PromiseNonCallable, "Promise resolve or reject function is not callable")  \
   T(PropertyDescObject, "Property description must be an object: %")           \
@@ skipping 368 matching lines @@
                                         const MessageLocation* loc,
                                         Handle<Object> message_obj,
                                         v8::Local<v8::Value> api_exception_obj);
 };
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_MESSAGES_H_