New growth strategy for growable arrays

runtime/vm/debugger_api_impl.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 "include/dart_tools_api.h"
 
 #include "vm/class_finalizer.h"
 #include "vm/compiler.h"
 #include "vm/dart_api_impl.h"
 #include "vm/dart_api_state.h"
@@ skipping 778 matching lines @@
   UNWRAP_AND_CHECK_PARAM(String, script_url, script_url_in);
   const Script& script = Script::Handle(lib.LookupScript(script_url));
   if (script.IsNull()) {
     return Api::NewError("%s: script '%s' not found in library '%s'",
                          CURRENT_FUNC, script_url.ToCString(),
                          String::Handle(lib.url()).ToCString());
   }
 
   const GrowableObjectArray& info =
       GrowableObjectArray::Handle(script.GenerateLineNumberArray());
-  return Api::NewHandle(T, Array::MakeArray(info));
+  return Api::NewHandle(T, Array::MakeFixedLength(info));
 }
 
 
 DART_EXPORT Dart_Handle Dart_GenerateScriptSource(Dart_Handle library_url_in,
                                                   Dart_Handle script_url_in) {
   DARTSCOPE(Thread::Current());
   UNWRAP_AND_CHECK_PARAM(String, library_url, library_url_in);
   UNWRAP_AND_CHECK_PARAM(String, script_url, script_url_in);
 
   const Library& library =
@@ skipping 112 matching lines @@
     prefix = it.GetNext();
     prefix_name = prefix.name();
     ASSERT(!prefix_name.IsNull());
     prefix_name = String::Concat(prefix_name, Symbols::Dot());
     for (int32_t i = 0; i < prefix.num_imports(); i++) {
       imported = prefix.GetLibrary(i);
       import_list.Add(prefix_name);
       import_list.Add(Smi::Handle(Smi::New(imported.index())));
     }
   }
-  return Api::NewHandle(T, Array::MakeArray(import_list));
+  return Api::NewHandle(T, Array::MakeFixedLength(import_list));
 }
 
 
 DART_EXPORT Dart_Handle Dart_GetLibraryURL(intptr_t library_id) {
   DARTSCOPE(Thread::Current());
   const Library& lib = Library::Handle(Z, Library::GetLibrary(library_id));
   if (lib.IsNull()) {
     return Api::NewError("%s: %" Pd " is not a valid library id", CURRENT_FUNC,
                          library_id);
   }
@@ skipping 44 matching lines @@
 
 #else
 
 DART_EXPORT void Dart_SetPausedEventHandler(Dart_PausedEventHandler handler) {
   // NOOP.
 }
 
 #endif  // !PRODUCT
 
 }  // namespace dart