1// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
2// for details. All rights reserved. Use of this source code is governed by a
3// BSD-style license that can be found in the LICENSE file.
4
5#include "vm/bootstrap_natives.h"
6
7#include "include/dart_api.h"
8#include "vm/dart_api_impl.h"
9#include "vm/dart_entry.h"
10#include "vm/exceptions.h"
11#include "vm/isolate.h"
12#include "vm/native_entry.h"
13#include "vm/object.h"
14#include "vm/object_store.h"
15#include "vm/symbols.h"
16
17namespace dart {
18
19DEFINE_NATIVE_ENTRY(Bool_fromEnvironment, 0, 3) {
20 GET_NON_NULL_NATIVE_ARGUMENT(String, name, arguments->NativeArgAt(1));
21 GET_NATIVE_ARGUMENT(Bool, default_value, arguments->NativeArgAt(2));
22 // Call the embedder to supply us with the environment.
23 const String& env_value =
24 String::Handle(Api::GetEnvironmentValue(thread, name));
25 if (!env_value.IsNull()) {
26 if (Symbols::True().Equals(env_value)) {
27 return Bool::True().raw();
28 }
29 if (Symbols::False().Equals(env_value)) {
30 return Bool::False().raw();
31 }
32 }
33 return default_value.raw();
34}
35
36DEFINE_NATIVE_ENTRY(Bool_hasEnvironment, 0, 2) {
37 GET_NON_NULL_NATIVE_ARGUMENT(String, name, arguments->NativeArgAt(1));
38 // Call the embedder to supply us with the environment.
39 const String& env_value =
40 String::Handle(Api::GetEnvironmentValue(thread, name));
41 if (!env_value.IsNull()) {
42 return Bool::True().raw();
43 }
44 return Bool::False().raw();
45}
46
47} // namespace dart
48