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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 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 | 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. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #include "vm/bootstrap_natives.h" | 5 #include "vm/bootstrap_natives.h" |
6 | 6 |
7 #include "include/dart_api.h" | 7 #include "include/dart_api.h" |
8 #include "vm/bigint_operations.h" | 8 #include "vm/bigint_operations.h" |
9 #include "vm/dart_entry.h" | 9 #include "vm/dart_entry.h" |
10 #include "vm/dart_api_impl.h" | 10 #include "vm/dart_api_impl.h" |
11 #include "vm/exceptions.h" | 11 #include "vm/exceptions.h" |
12 #include "vm/isolate.h" | 12 #include "vm/isolate.h" |
13 #include "vm/native_entry.h" | 13 #include "vm/native_entry.h" |
14 #include "vm/object.h" | 14 #include "vm/object.h" |
15 #include "vm/object_store.h" | 15 #include "vm/object_store.h" |
16 #include "vm/symbols.h" | 16 #include "vm/symbols.h" |
17 | 17 |
18 namespace dart { | 18 namespace dart { |
19 | 19 |
20 DEFINE_NATIVE_ENTRY(Bool_fromEnvironment, 3) { | 20 DEFINE_NATIVE_ENTRY(Bool_fromEnvironment, 3) { |
21 GET_NON_NULL_NATIVE_ARGUMENT(String, name, arguments->NativeArgAt(1)); | 21 GET_NON_NULL_NATIVE_ARGUMENT(String, name, arguments->NativeArgAt(1)); |
22 GET_NATIVE_ARGUMENT(Bool, default_value, arguments->NativeArgAt(2)); | 22 GET_NATIVE_ARGUMENT(Bool, default_value, arguments->NativeArgAt(2)); |
23 // Call the embedder to supply us with the environment. | 23 // Call the embedder to supply us with the environment. |
24 Dart_EnterScope(); | |
25 Dart_EnvironmentCallback callback = isolate->environment_callback(); | 24 Dart_EnvironmentCallback callback = isolate->environment_callback(); |
26 if (callback != NULL) { | 25 if (callback != NULL) { |
27 Dart_Handle result = callback(Api::NewHandle(isolate, name.raw())); | 26 Dart_Handle result = callback(Api::NewHandle(isolate, name.raw())); |
28 if (Dart_IsString(result)) { | 27 if (Dart_IsString(result)) { |
29 const char *chars; | 28 const char *chars; |
30 Dart_StringToCString(result, &chars); | 29 Dart_StringToCString(result, &chars); |
31 if (strcmp("true", chars) == 0) return Bool::True().raw(); | 30 if (strcmp("true", chars) == 0) return Bool::True().raw(); |
32 if (strcmp("false", chars) == 0) return Bool::False().raw(); | 31 if (strcmp("false", chars) == 0) return Bool::False().raw(); |
33 } else if (Dart_IsError(result)) { | 32 } else if (Dart_IsError(result)) { |
34 const Object& error = | 33 const Object& error = |
35 Object::Handle(isolate, Api::UnwrapHandle(result)); | 34 Object::Handle(isolate, Api::UnwrapHandle(result)); |
36 Exceptions::ThrowArgumentError( | 35 Exceptions::ThrowArgumentError( |
37 String::Handle( | 36 String::Handle( |
38 String::New(Error::Cast(error).ToErrorCString()))); | 37 String::New(Error::Cast(error).ToErrorCString()))); |
39 } else if (!Dart_IsNull(result)) { | 38 } else if (!Dart_IsNull(result)) { |
40 Exceptions::ThrowArgumentError( | 39 Exceptions::ThrowArgumentError( |
41 String::Handle(String::New("Illegal environment value"))); | 40 String::Handle(String::New("Illegal environment value"))); |
42 } | 41 } |
43 } | 42 } |
44 Dart_ExitScope(); | |
45 return default_value.raw(); | 43 return default_value.raw(); |
46 } | 44 } |
47 | 45 |
48 } // namespace dart | 46 } // namespace dart |
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