ajohnsen@google.com
c3dfdbe772
BUG= R=sgjesse@google.com Review URL: https://codereview.chromium.org//180243022 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@33363 260f80e4-7a28-3924-810f-c04153c831b5
48 lines
1.7 KiB
C++
48 lines
1.7 KiB
C++
// 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/bootstrap_natives.h"
|
|
|
|
#include "include/dart_api.h"
|
|
#include "vm/bigint_operations.h"
|
|
#include "vm/dart_entry.h"
|
|
#include "vm/dart_api_impl.h"
|
|
#include "vm/exceptions.h"
|
|
#include "vm/isolate.h"
|
|
#include "vm/native_entry.h"
|
|
#include "vm/object.h"
|
|
#include "vm/object_store.h"
|
|
#include "vm/symbols.h"
|
|
|
|
namespace dart {
|
|
|
|
DEFINE_NATIVE_ENTRY(Bool_fromEnvironment, 3) {
|
|
GET_NON_NULL_NATIVE_ARGUMENT(String, name, arguments->NativeArgAt(1));
|
|
GET_NATIVE_ARGUMENT(Bool, default_value, arguments->NativeArgAt(2));
|
|
// Call the embedder to supply us with the environment.
|
|
Api::Scope api_scope(isolate);
|
|
Dart_EnvironmentCallback callback = isolate->environment_callback();
|
|
if (callback != NULL) {
|
|
Dart_Handle result = callback(Api::NewHandle(isolate, name.raw()));
|
|
if (Dart_IsString(result)) {
|
|
const char *chars;
|
|
Dart_StringToCString(result, &chars);
|
|
if (strcmp("true", chars) == 0) return Bool::True().raw();
|
|
if (strcmp("false", chars) == 0) return Bool::False().raw();
|
|
} else if (Dart_IsError(result)) {
|
|
const Object& error =
|
|
Object::Handle(isolate, Api::UnwrapHandle(result));
|
|
Exceptions::ThrowArgumentError(
|
|
String::Handle(
|
|
String::New(Error::Cast(error).ToErrorCString())));
|
|
} else if (!Dart_IsNull(result)) {
|
|
Exceptions::ThrowArgumentError(
|
|
String::Handle(String::New("Illegal environment value")));
|
|
}
|
|
}
|
|
return default_value.raw();
|
|
}
|
|
|
|
} // namespace dart
|