- Implement .packages specification.

runtime/vm/benchmark_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 "vm/benchmark_test.h"
 
 #include "bin/builtin.h"
 #include "bin/file.h"
 
 #include "platform/assert.h"
@@ skipping 240 matching lines @@
     dart2js_path = NULL;
   }
   return dart2js_path;
 }
 
 
 static void func(Dart_NativeArguments args) {
 }
 
 
+// Emulates DartUtils::PrepareForScriptLoading.
+static Dart_Handle PreparePackageRoot(const char* package_root,
+                                      Dart_Handle builtin_lib) {
+  // First ensure all required libraries are available.
+  Dart_Handle url = NewString(bin::DartUtils::kCoreLibURL);
+  DART_CHECK_VALID(url);
+  Dart_Handle core_lib = Dart_LookupLibrary(url);
+  DART_CHECK_VALID(core_lib);
+  url = NewString(bin::DartUtils::kAsyncLibURL);
+  DART_CHECK_VALID(url);
+  Dart_Handle async_lib = Dart_LookupLibrary(url);
+  DART_CHECK_VALID(async_lib);
+  url = NewString(bin::DartUtils::kIsolateLibURL);
+  DART_CHECK_VALID(url);
+  Dart_Handle isolate_lib = Dart_LookupLibrary(url);
+  DART_CHECK_VALID(isolate_lib);
+  url = NewString(bin::DartUtils::kInternalLibURL);
+  DART_CHECK_VALID(url);
+  Dart_Handle internal_lib = Dart_LookupLibrary(url);
+  DART_CHECK_VALID(internal_lib);
+  Dart_Handle io_lib =
+      bin::Builtin::LoadAndCheckLibrary(bin::Builtin::kIOLibrary);
+  DART_CHECK_VALID(io_lib);
+
+  // We need to ensure that all the scripts loaded so far are finalized
+  // as we are about to invoke some Dart code below to setup closures.
+  Dart_Handle result = Dart_FinalizeLoading(false);
+  DART_CHECK_VALID(result);
+
+  // Necessary parts from PrepareBuiltinLibrary.
+  // Setup the internal library's 'internalPrint' function.
+  result = Dart_Invoke(builtin_lib, NewString("_getPrintClosure"), 0, NULL);
+  DART_CHECK_VALID(result);
+  result = Dart_SetField(internal_lib, NewString("_printClosure"), result);
+  DART_CHECK_VALID(result);
+#if defined(TARGET_OS_WINDOWS)
+    result = Dart_SetField(builtin_lib, NewString("_isWindows"), Dart_True());
+    DART_CHECK_VALID(result);
+#endif  // defined(TARGET_OS_WINDOWS)
+  // Set current working directory.
+  result = bin::DartUtils::SetWorkingDirectory(builtin_lib);
+  DART_CHECK_VALID(result);
+  // Set the package root for builtin.dart.
+  result = NewString(package_root);
+  DART_CHECK_VALID(result);
+  const int kNumArgs = 1;
+  Dart_Handle dart_args[kNumArgs];
+  dart_args[0] = result;
+  result = Dart_Invoke(builtin_lib,
+                       NewString("_setPackageRoot"),
+                       kNumArgs,
+                       dart_args);
+  DART_CHECK_VALID(result);
+
+  bin::DartUtils::PrepareAsyncLibrary(async_lib, isolate_lib);
+  bin::DartUtils::PrepareCoreLibrary(core_lib, builtin_lib, false);
+  bin::DartUtils::PrepareIsolateLibrary(isolate_lib);
+  bin::DartUtils::PrepareIOLibrary(io_lib);
+  return Dart_True();
+}
+
+
 static Dart_NativeFunction NativeResolver(Dart_Handle name,
                                           int arg_count,
                                           bool* auto_setup_scope) {
   ASSERT(auto_setup_scope != NULL);
   *auto_setup_scope = false;
   return &func;
 }
 
 static void SetupDart2JSPackagePath() {
   Dart_Handle builtin_lib =
       bin::Builtin::LoadAndCheckLibrary(bin::Builtin::kBuiltinLibrary);
   DART_CHECK_VALID(builtin_lib);
 
   bool worked = bin::DartUtils::SetOriginalWorkingDirectory();
   EXPECT(worked);
   char buffer[2048];
   char* executable_path =
       strdup(File::GetCanonicalPath(Benchmark::Executable()));
   const char* packages_path = "%s%s..%spackages";
   const char* path_separator = File::PathSeparator();
   OS::SNPrint(buffer, 2048, packages_path,
               executable_path, path_separator, path_separator);
-  bin::DartUtils::PrepareForScriptLoading(buffer, false, false, builtin_lib);
+  Dart_Handle result = PreparePackageRoot(buffer, builtin_lib);
+  DART_CHECK_VALID(result);
 }
 
 BENCHMARK(Dart2JSCompileAll) {
   bin::Builtin::SetNativeResolver(bin::Builtin::kBuiltinLibrary);
   bin::Builtin::SetNativeResolver(bin::Builtin::kIOLibrary);
   SetupDart2JSPackagePath();
   char* dart_root = ComputeDart2JSPath(Benchmark::Executable());
   char* script = NULL;
   if (dart_root != NULL) {
     Isolate* isolate = Isolate::Current();
@@ skipping 345 matching lines @@
                                  zone.GetZone());
     reader.ReadObject();
     free(buffer);
   }
   timer.Stop();
   int64_t elapsed_time = timer.TotalElapsedTime();
   benchmark->set_score(elapsed_time);
 }
 
 }  // namespace dart