Add --parse-all option in order to benchmark and measure the scanner/parser performance.

runtime/vm/dart_api_impl.cc

 // Copyright (c) 2013, 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 "include/dart_api.h"
 #include "include/dart_mirrors_api.h"
 #include "include/dart_native_api.h"
 
 #include "platform/assert.h"
 #include "lib/stacktrace.h"
@@ skipping 32 matching lines @@
 #include "vm/thread_registry.h"
 #include "vm/timeline.h"
 #include "vm/timer.h"
 #include "vm/unicode.h"
 #include "vm/uri.h"
 #include "vm/verifier.h"
 #include "vm/version.h"
 
 namespace dart {
 
-// Facilitate quick access to the current zone once we have the curren thread.
+// Facilitate quick access to the current zone once we have the current thread.
 #define Z (T->zone())
 
 
 DECLARE_FLAG(bool, print_class_table);
 DECLARE_FLAG(bool, verify_handles);
 #if defined(DART_NO_SNAPSHOT)
 DEFINE_FLAG(bool, check_function_fingerprints, true,
             "Check function fingerprints");
 #endif  // defined(DART_NO_SNAPSHOT).
 DEFINE_FLAG(bool, verify_acquired_data, false,
@@ skipping 6557 matching lines @@
 
 DART_EXPORT bool Dart_IsPrecompiledRuntime() {
 #if defined(DART_PRECOMPILED_RUNTIME)
   return true;
 #else
   return false;
 #endif
 }
 
 }  // namespace dart