Implement eager instantiation and canonicalization of type arguments at run

runtime/lib/regexp.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/bootstrap_natives.h"
 #include "vm/exceptions.h"
 #include "vm/native_entry.h"
 #include "vm/object.h"
 
 #include "lib/regexp_jsc.h"
 
 namespace dart {
 
 DEFINE_NATIVE_ENTRY(JSSyntaxRegExp_factory, 4) {
-  ASSERT(AbstractTypeArguments::CheckedHandle(
-      arguments->NativeArgAt(0)).IsNull());
+  ASSERT(TypeArguments::CheckedHandle(arguments->NativeArgAt(0)).IsNull());
   GET_NON_NULL_NATIVE_ARGUMENT(String, pattern, arguments->NativeArgAt(1));
   GET_NON_NULL_NATIVE_ARGUMENT(
       Instance, handle_multi_line, arguments->NativeArgAt(2));
   GET_NON_NULL_NATIVE_ARGUMENT(
       Instance, handle_case_sensitive, arguments->NativeArgAt(3));
   bool ignore_case = handle_case_sensitive.raw() != Bool::True().raw();
   bool multi_line = handle_multi_line.raw() == Bool::True().raw();
   return Jscre::Compile(pattern, multi_line, ignore_case);
 }
 
@@ skipping 38 matching lines @@
 
 DEFINE_NATIVE_ENTRY(JSSyntaxRegExp_ExecuteMatch, 3) {
   const JSRegExp& regexp = JSRegExp::CheckedHandle(arguments->NativeArgAt(0));
   ASSERT(!regexp.IsNull());
   GET_NON_NULL_NATIVE_ARGUMENT(String, str, arguments->NativeArgAt(1));
   GET_NON_NULL_NATIVE_ARGUMENT(Smi, start_index, arguments->NativeArgAt(2));
   return Jscre::Execute(regexp, str, start_index.Value());
 }
 
 }  // namespace dart