| // 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 <stdio.h> |
| |
| #include "include/dart_api.h" |
| |
| #include "bin/builtin.h" |
| #include "bin/dartutils.h" |
| #include "bin/io_natives.h" |
| |
| namespace dart { |
| namespace bin { |
| |
| Builtin::builtin_lib_props Builtin::builtin_libraries_[] = { |
| /* { url_, source_, patch_url_, patch_source_, has_natives_ } */ |
| { DartUtils::kBuiltinLibURL, builtin_source_, NULL, NULL, true }, |
| { DartUtils::kIOLibURL, io_source_, |
| DartUtils::kIOLibPatchURL, io_patch_, true }, |
| }; |
| |
| |
| Dart_Handle Builtin::Source(BuiltinLibraryId id) { |
| ASSERT((sizeof(builtin_libraries_) / sizeof(builtin_lib_props)) == |
| kInvalidLibrary); |
| ASSERT(id >= kBuiltinLibrary && id < kInvalidLibrary); |
| return DartUtils::NewString(builtin_libraries_[id].source_); |
| } |
| |
| /** |
| * Looks up native functions in both libdart_builtin and libdart_io. |
| */ |
| Dart_NativeFunction Builtin::NativeLookup(Dart_Handle name, |
| int argument_count) { |
| Dart_NativeFunction result = BuiltinNativeLookup(name, argument_count); |
| if (result != NULL) return result; |
| return IONativeLookup(name, argument_count); |
| } |
| |
| void Builtin::SetNativeResolver(BuiltinLibraryId id) { |
| UNREACHABLE(); |
| } |
| |
| |
| Dart_Handle Builtin::LoadAndCheckLibrary(BuiltinLibraryId id) { |
| ASSERT((sizeof(builtin_libraries_) / sizeof(builtin_lib_props)) == |
| kInvalidLibrary); |
| ASSERT(id >= kBuiltinLibrary && id < kInvalidLibrary); |
| Dart_Handle url = DartUtils::NewString(builtin_libraries_[id].url_); |
| Dart_Handle library = Dart_LookupLibrary(url); |
| if (Dart_IsError(library)) { |
| library = Dart_LoadLibrary(url, Source(id)); |
| if (!Dart_IsError(library) && (builtin_libraries_[id].has_natives_)) { |
| // Setup the native resolver for built in library functions. |
| DART_CHECK_VALID(Dart_SetNativeResolver(library, NativeLookup)); |
| } |
| if (builtin_libraries_[id].patch_url_ != NULL) { |
| ASSERT(builtin_libraries_[id].patch_source_ != NULL); |
| Dart_Handle patch_url = |
| DartUtils::NewString(builtin_libraries_[id].patch_url_); |
| Dart_Handle patch_source = |
| DartUtils::NewString(builtin_libraries_[id].patch_source_); |
| DART_CHECK_VALID(Dart_LoadPatch(library, patch_url, patch_source)); |
| } |
| } |
| DART_CHECK_VALID(library); |
| return library; |
| } |
| |
| } // namespace bin |
| } // namespace dart |