Add Platform.packageRoot and Platform.executableArguments to dart:io.

runtime/bin/platform.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/platform.h"
 
 #include "include/dart_api.h"
 
 #include "bin/file.h"
 #include "bin/utils.h"
 
 namespace dart {
 namespace bin {
 
 const char* Platform::executable_name_ = NULL;
+const char* Platform::package_root_ = NULL;
+int Platform::script_index_ = 1;
+char** Platform::argv_ = NULL;
 
 void FUNCTION_NAME(Platform_NumberOfProcessors)(Dart_NativeArguments args) {
   Dart_SetReturnValue(args, Dart_NewInteger(Platform::NumberOfProcessors()));
 }
 
 
 void FUNCTION_NAME(Platform_OperatingSystem)(Dart_NativeArguments args) {
   Dart_SetReturnValue(args, DartUtils::NewString(Platform::OperatingSystem()));
 }
 
@@ skipping 13 matching lines @@
   }
 }
 
 
 void FUNCTION_NAME(Platform_ExecutableName)(Dart_NativeArguments args) {
   ASSERT(Platform::GetExecutableName() != NULL);
   Dart_SetReturnValue(
       args, Dart_NewStringFromCString(Platform::GetExecutableName()));
 }
 
+
+void FUNCTION_NAME(Platform_ExecutableArguments)(Dart_NativeArguments args) {
+  int end = Platform::GetScriptIndex();
+  char** argv = Platform::GetArgv();
+  Dart_Handle result = Dart_NewList(end - 1);
+  for (intptr_t i = 1; i < end; i++) {
+    Dart_Handle str = DartUtils::NewString(argv[i]);
+    Dart_Handle error = Dart_ListSetAt(result, i - 1, str);
+    if (Dart_IsError(error)) {
+      Dart_PropagateError(error);
+    }
+  }
+  Dart_SetReturnValue(args, result);
+}
+
+
+void FUNCTION_NAME(Platform_PackageRoot)(Dart_NativeArguments args) {
+  const char* package_root = Platform::GetPackageRoot();
+  if (package_root == NULL) {
+    package_root = "";
+  }
+  Dart_SetReturnValue(args, Dart_NewStringFromCString(package_root));
+}
+
+
 void FUNCTION_NAME(Platform_Environment)(Dart_NativeArguments args) {
   intptr_t count = 0;
   char** env = Platform::Environment(&count);
   if (env == NULL) {
     OSError error(-1,
                   "Failed to retrieve environment variables.",
                   OSError::kUnknown);
     Dart_SetReturnValue(args, DartUtils::NewDartOSError(&error));
   } else {
     Dart_Handle result = Dart_NewList(count);
@@ skipping 18 matching lines @@
   }
 }
 
 
 void FUNCTION_NAME(Platform_GetVersion)(Dart_NativeArguments args) {
   Dart_SetReturnValue(args, Dart_NewStringFromCString(Dart_VersionString()));
 }
 
 }  // namespace bin
 }  // namespace dart