Add parsing for ambient declarations

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 463 matching lines @@
   T(UnterminatedTemplateExpr, "Missing } in template expression")              \
   T(FoundNonCallableHasInstance, "Found non-callable @@hasInstance")           \
   T(InvalidHexEscapeSequence, "Invalid hexadecimal escape sequence")           \
   T(InvalidUnicodeEscapeSequence, "Invalid Unicode escape sequence")           \
   T(UndefinedUnicodeCodePoint, "Undefined Unicode code-point")                 \
   /* SyntaxError for the optional type system */                               \
   T(InvalidType, "Invalid type.")                                              \
   T(BadFunctionOrConstructorType,                                              \
     "Expecting '=>' in function or constructor type.")                         \
   T(BadIndexType, "Invalid index type: expected 'number' or 'string'")         \
+  T(BadAmbientDeclaration,                                                     \
+    "Invalid ambient: expected variable, function or class declaration")       \
+  T(IllegalDeclare,                                                            \
+    "Unexpected 'declare', ambient declaration not allowed here")              \
+  T(AmbientGetOrSet, "Unexpected 'get' or 'set' in ambient class declaration") \
   /* 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_