Add token index position to classes and types for more accurate error reporting.

runtime/vm/code_generator_x64_test.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "platform/assert.h"
 #include "vm/globals.h"
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/ast.h"
 #include "vm/assembler.h"
 #include "vm/class_finalizer.h"
 #include "vm/code_generator.h"
 #include "vm/compiler.h"
 #include "vm/dart_entry.h"
 #include "vm/native_entry.h"
 #include "vm/native_entry_test.h"
 #include "vm/unit_test.h"
 #include "vm/virtual_memory.h"
 
 namespace dart {
 
 #define __ assembler_->
 
 
-static const intptr_t kPos = 1;  // Dummy token index in non-existing source.
+static const intptr_t kPos = Scanner::kDummyTokenIndex;
 
 
 // Helper to allocate and return a LocalVariable.
 static LocalVariable* NewTestLocalVariable(const char* name) {
   const String& variable_name = String::ZoneHandle(String::New(name));
   const Type& variable_type = Type::ZoneHandle(Type::DynamicType());
   return new LocalVariable(kPos, variable_name, variable_type);
 }
 
 
@@ skipping 455 matching lines @@
   const Library& app_lib = Library::Handle(
       Isolate::Current()->object_store()->registered_libraries());
   const Class& cls = Class::Handle(
       app_lib.LookupClass(String::Handle(String::NewSymbol("A"))));
   EXPECT_EQ(cls.raw(), result.clazz());
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64