VM: Make more globals constant where easily possible.

runtime/bin/dartutils.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 "bin/dartutils.h"
 
 #include "include/dart_api.h"
 #include "include/dart_tools_api.h"
 #include "include/dart_native_api.h"
 
@@ skipping 16 matching lines @@
     Dart_Handle __handle = handle;                                             \
     if (Dart_IsError((__handle))) {                                            \
       return __handle;                                                         \
     }                                                                          \
   }
 
 namespace dart {
 namespace bin {
 
 const char* DartUtils::original_working_directory = NULL;
-const char* DartUtils::kDartScheme = "dart:";
-const char* DartUtils::kDartExtensionScheme = "dart-ext:";
-const char* DartUtils::kAsyncLibURL = "dart:async";
-const char* DartUtils::kBuiltinLibURL = "dart:_builtin";
-const char* DartUtils::kCoreLibURL = "dart:core";
-const char* DartUtils::kInternalLibURL = "dart:_internal";
-const char* DartUtils::kIsolateLibURL = "dart:isolate";
-const char* DartUtils::kIOLibURL = "dart:io";
-const char* DartUtils::kIOLibPatchURL = "dart:io-patch";
-const char* DartUtils::kUriLibURL = "dart:uri";
-const char* DartUtils::kHttpScheme = "http:";
-const char* DartUtils::kVMServiceLibURL = "dart:vmservice";
+const char* const DartUtils::kDartScheme = "dart:";
+const char* const DartUtils::kDartExtensionScheme = "dart-ext:";
+const char* const DartUtils::kAsyncLibURL = "dart:async";
+const char* const DartUtils::kBuiltinLibURL = "dart:_builtin";
+const char* const DartUtils::kCoreLibURL = "dart:core";
+const char* const DartUtils::kInternalLibURL = "dart:_internal";
+const char* const DartUtils::kIsolateLibURL = "dart:isolate";
+const char* const DartUtils::kIOLibURL = "dart:io";
+const char* const DartUtils::kIOLibPatchURL = "dart:io-patch";
+const char* const DartUtils::kUriLibURL = "dart:uri";
+const char* const DartUtils::kHttpScheme = "http:";
+const char* const DartUtils::kVMServiceLibURL = "dart:vmservice";
 
-uint8_t DartUtils::magic_number[] = { 0xf5, 0xf5, 0xdc, 0xdc };
+const uint8_t DartUtils::magic_number[] = { 0xf5, 0xf5, 0xdc, 0xdc };
 
 static bool IsWindowsHost() {
 #if defined(TARGET_OS_WINDOWS)
   return true;
 #else  // defined(TARGET_OS_WINDOWS)
   return false;
 #endif  // defined(TARGET_OS_WINDOWS)
 }
 
 
@@ skipping 1232 matching lines @@
       new CObjectString(CObject::NewString(os_error->message()));
   CObjectArray* result = new CObjectArray(CObject::NewArray(3));
   result->SetAt(0, new CObjectInt32(CObject::NewInt32(kOSError)));
   result->SetAt(1, new CObjectInt32(CObject::NewInt32(os_error->code())));
   result->SetAt(2, error_message);
   return result;
 }
 
 }  // namespace bin
 }  // namespace dart