Rolls Dart runtime forward.

mojo/dart/embedder/common.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MOJO_DART_EMBEDDER_COMMON_H_
 #define MOJO_DART_EMBEDDER_COMMON_H_
 
 #include "dart/runtime/include/dart_api.h"
 
 namespace mojo {
 namespace dart {
 
 class DartEmbedder {
  public:
   static Dart_Handle GetDartType(const char* library_url,
                                  const char* class_name);
 
   static Dart_Handle NewDartExceptionWithMessage(const char* library_url,
                                                  const char* error_type,
                                                  const char* message);
 
   static Dart_Handle NewInternalError(const char* message);
 
   // Returns the integer value of a Dart object. If the object is not
   // an integer value an API error is propagated.
   static int64_t GetIntegerValue(Dart_Handle value_obj);
+
   // Returns the integer value of a Dart object. If the object is not
-  // an integer value or outside the requested range an API error is
+  // an integer value or outside the requested range, an API error is
   // propagated.
   static int64_t GetInt64ValueCheckRange(
       Dart_Handle value_obj, int64_t lower, int64_t upper);
+
   // Returns the intptr_t value of a Dart object. If the object is not
-  // an integer value or the value is outside the intptr_t range an
+  // an integer value or the value is outside the intptr_t range, an
   // API error is propagated.
   static intptr_t GetIntptrValue(Dart_Handle value_obj);
+
   // Returns the string value of a Dart object. If the object is not
-  // a string value an API error is propagated.
+  // a string value, an API error is propagated.
   static const char* GetStringValue(Dart_Handle str_obj);
+
   // Returns the boolean value of a Dart object. If the object is not
-  // a boolean value an API error is propagated.
+  // a boolean value, an API error is propagated.
   static bool GetBooleanValue(Dart_Handle bool_obj);
+
   // Sets the field "name" in handle to val. Any error is propagated.
   static void SetIntegerField(Dart_Handle handle,
                               const char* name,
                               int64_t val);
+
   // Sets the field "name" in handle to val. Any error is propagated.
   static void SetStringField(Dart_Handle handle,
                              const char* name,
                              const char* val);
+
   // Returns a new Dart string. Any error is propagated.
   static Dart_Handle NewCString(const char* str);
 
   // Sets the return value in arguments to null.
   static void SetNullReturn(Dart_NativeArguments arguments);
 
   // Sets the return value in arguments to a string created from |str|.
   static void SetCStringReturn(Dart_NativeArguments arguments, const char* str);
 
+  // Returns the boolean value from native arguments. If the object is not
+  // a boolean value, an API error is propagated.
+  static bool GetBooleanArgument(Dart_NativeArguments args, intptr_t index);
+
+  // Returns the integer value from native arguments. If the object is not
+  // an integer value, an API error is propagated.
+  static int64_t GetIntegerArgument(Dart_NativeArguments args, intptr_t index);
+  static intptr_t GetIntptrArgument(Dart_NativeArguments args, intptr_t index);
+
   // Gets the string argument at index and returns a C string.
   // Any error is propagated.
   static const char* GetStringArgument(Dart_NativeArguments arguments,
                                        intptr_t index);
 
   // Copies the bytes from a TypedDataList argument at |index| into a C array.
   // Any error is propagated. Caller must call free on |out|.
   // NOTE: Only supports Uint8List now.
   static void GetTypedDataListArgument(Dart_NativeArguments arguments,
                                        intptr_t index,
                                        uint8_t** out,
                                        intptr_t* out_len);
 
   // Creates a Uint8List with a copy of bytes.
   // Any error is propagated.
   static Dart_Handle MakeUint8TypedData(uint8_t* bytes, intptr_t length);
 };
 
 }  // namespace dart
 }  // namespace mojo
 
 
 #endif  // MOJO_DART_EMBEDDER_COMMON_H_