Rolls Dart runtime forward.

mojo/dart/embedder/common.cc

 // 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.
 
 #include <stdint.h>
 #include <string.h>
 
 #include "base/logging.h"
 #include "mojo/dart/embedder/common.h"
 #include "mojo/public/cpp/environment/logging.h"
@@ skipping 106 matching lines @@
 
 void DartEmbedder::SetNullReturn(Dart_NativeArguments arguments) {
   Dart_SetReturnValue(arguments, Dart_Null());
 }
 
 void DartEmbedder::SetCStringReturn(Dart_NativeArguments arguments,
                                     const char* str) {
   Dart_SetReturnValue(arguments, NewCString(str));
 }
 
+bool DartEmbedder::GetBooleanArgument(Dart_NativeArguments args,
+                                      intptr_t index) {
+  bool result;
+  Dart_Handle err = Dart_GetNativeBooleanArgument(args, index, &result);
+  if (Dart_IsError(err)) {
+    Dart_PropagateError(err);
+  }
+  return result;
+}
+
+int64_t DartEmbedder::GetIntegerArgument(Dart_NativeArguments args,
+                                         intptr_t index) {
+  int64_t result;
+  Dart_Handle err = Dart_GetNativeIntegerArgument(args, index, &result);
+  if (Dart_IsError(err)) {
+    Dart_PropagateError(err);
+  }
+  return result;
+}
+
+intptr_t DartEmbedder::GetIntptrArgument(Dart_NativeArguments args,
+                                         intptr_t index) {
+  int64_t value = 0;
+  Dart_Handle result = Dart_GetNativeIntegerArgument(args, index, &value);
+  if (Dart_IsError(result)) {
+    Dart_PropagateError(result);
+  }
+  if (value < INTPTR_MIN || INTPTR_MAX < value) {
+    Dart_PropagateError(Dart_NewApiError("Value outside intptr_t range"));
+  }
+  return static_cast<intptr_t>(value);
+}
+
 const char* DartEmbedder::GetStringArgument(Dart_NativeArguments arguments,
                                             intptr_t index) {
   Dart_Handle str_arg = Dart_GetNativeArgument(arguments, index);
   const char* cstring = nullptr;
   Dart_Handle result = Dart_StringToCString(str_arg, &cstring);
   if (Dart_IsError(result)) {
     Dart_PropagateError(result);
   }
   return cstring;
 }
@@ skipping 44 matching lines @@
   }
   Dart_Handle err = Dart_ListSetAsBytes(result, 0, bytes, length);
   if (Dart_IsError(err)) {
     Dart_PropagateError(err);
   }
   return result;
 }
 
 }  // namespace dart
 }  // namespace mojo