| // 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/platform.h" |
| |
| namespace dart { |
| namespace bin { |
| |
| Builtin::builtin_lib_props Builtin::builtin_libraries_[] = { |
| /* { url_, source_, patch_url_, patch_source_, has_natives_ } */ |
| {DartUtils::kBuiltinLibURL, _builtin_source_paths_, NULL, NULL, true}, |
| {DartUtils::kIOLibURL, io_source_paths_, DartUtils::kIOLibPatchURL, |
| io_patch_paths_, true}, |
| {DartUtils::kHttpLibURL, _http_source_paths_, NULL, NULL, false}, |
| {DartUtils::kCLILibURL, cli_source_paths_, DartUtils::kCLILibPatchURL, |
| cli_patch_paths_, true}, |
| |
| #if defined(DART_NO_SNAPSHOT) |
| // Only include these libraries in the dart_bootstrap case for now. |
| {"dart:html", html_source_paths_, NULL, NULL, true}, |
| {"dart:html_common", html_common_source_paths_, NULL, NULL, true}, |
| {"dart:js", js_source_paths_, NULL, NULL, true}, |
| {"dart:js_util", js_util_source_paths_, NULL, NULL, true}, |
| {"dart:indexed_db", indexed_db_source_paths_, NULL, NULL, true}, |
| {"dart:web_gl", web_gl_source_paths_, NULL, NULL, true}, |
| {"metadata.dart", metadata_source_paths_, NULL, NULL, true}, |
| {"dart:web_sql", web_sql_source_paths_, NULL, NULL, true}, |
| {"dart:svg", svg_source_paths_, NULL, NULL, true}, |
| {"dart:web_audio", web_audio_source_paths_, NULL, NULL, true}, |
| #endif // defined(DART_NO_SNAPSHOT) |
| |
| // End marker. |
| {NULL, NULL, NULL, NULL, false}}; |
| |
| Dart_Port Builtin::load_port_ = ILLEGAL_PORT; |
| const int Builtin::num_libs_ = |
| sizeof(Builtin::builtin_libraries_) / sizeof(Builtin::builtin_lib_props); |
| |
| // Patch all the specified patch files in the array 'patch_files' into the |
| // library specified in 'library'. |
| static void LoadPatchFiles(Dart_Handle library, |
| const char* patch_uri, |
| const char** patch_files) { |
| for (intptr_t j = 0; patch_files[j] != NULL; j += 2) { |
| // Use the sources linked in the binary. |
| const char* source = patch_files[j + 1]; |
| Dart_Handle patch_src = Dart_NewStringFromUTF8( |
| reinterpret_cast<const uint8_t*>(source), strlen(source)); |
| |
| // Prepend the patch library URI to form a unique script URI for the patch. |
| const char* unprefixed_patch_file = strchr(patch_files[j], '/') + 1; |
| intptr_t len = snprintf(NULL, 0, "%s/%s", patch_uri, unprefixed_patch_file); |
| char* patch_filename = DartUtils::ScopedCString(len + 1); |
| snprintf(patch_filename, len + 1, "%s/%s", patch_uri, |
| unprefixed_patch_file); |
| Dart_Handle patch_file_uri = DartUtils::NewString(patch_filename); |
| |
| DART_CHECK_VALID(Dart_LibraryLoadPatch(library, patch_file_uri, patch_src)); |
| } |
| } |
| |
| Dart_Handle Builtin::Source(BuiltinLibraryId id) { |
| ASSERT(static_cast<int>(id) >= 0); |
| ASSERT(static_cast<int>(id) < num_libs_); |
| |
| // Try to read the source using the path specified for the uri. |
| const char* uri = builtin_libraries_[id].url_; |
| const char** source_paths = builtin_libraries_[id].source_paths_; |
| return GetSource(source_paths, uri); |
| } |
| |
| Dart_Handle Builtin::PartSource(BuiltinLibraryId id, const char* part_uri) { |
| ASSERT(static_cast<int>(id) >= 0); |
| ASSERT(static_cast<int>(id) < num_libs_); |
| |
| // Try to read the source using the path specified for the uri. |
| const char** source_paths = builtin_libraries_[id].source_paths_; |
| return GetSource(source_paths, part_uri); |
| } |
| |
| Dart_Handle Builtin::GetSource(const char** source_paths, const char* uri) { |
| if (source_paths == NULL) { |
| return Dart_Null(); // No path mapping information exists for library. |
| } |
| for (intptr_t i = 0; source_paths[i] != NULL; i += 2) { |
| if (!strcmp(uri, source_paths[i])) { |
| // Use the sources linked in the binary. |
| const char* source = source_paths[i + 1]; |
| return Dart_NewStringFromUTF8(reinterpret_cast<const uint8_t*>(source), |
| strlen(source)); |
| } |
| } |
| return Dart_Null(); // Uri does not exist in path mapping information. |
| } |
| |
| void Builtin::SetNativeResolver(BuiltinLibraryId id) { |
| ASSERT(static_cast<int>(id) >= 0); |
| ASSERT(static_cast<int>(id) < num_libs_); |
| |
| if (builtin_libraries_[id].has_natives_) { |
| Dart_Handle url = DartUtils::NewString(builtin_libraries_[id].url_); |
| Dart_Handle library = Dart_LookupLibrary(url); |
| ASSERT(!Dart_IsError(library)); |
| // Setup the native resolver for built in library functions. |
| DART_CHECK_VALID( |
| Dart_SetNativeResolver(library, NativeLookup, NativeSymbol)); |
| } |
| } |
| |
| Dart_Handle Builtin::LoadLibrary(Dart_Handle url, BuiltinLibraryId id) { |
| ASSERT(static_cast<int>(id) >= 0); |
| ASSERT(static_cast<int>(id) < num_libs_); |
| |
| Dart_Handle library = Dart_LoadLibrary(url, Dart_Null(), Source(id), 0, 0); |
| 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, NativeSymbol)); |
| } |
| if (builtin_libraries_[id].patch_url_ != NULL) { |
| ASSERT(builtin_libraries_[id].patch_paths_ != NULL); |
| LoadPatchFiles(library, builtin_libraries_[id].patch_url_, |
| builtin_libraries_[id].patch_paths_); |
| } |
| return library; |
| } |
| |
| Builtin::BuiltinLibraryId Builtin::FindId(const char* url_string) { |
| int id = 0; |
| while (true) { |
| if (builtin_libraries_[id].url_ == NULL) { |
| return kInvalidLibrary; |
| } |
| if (strcmp(url_string, builtin_libraries_[id].url_) == 0) { |
| return static_cast<BuiltinLibraryId>(id); |
| } |
| id++; |
| } |
| } |
| |
| Dart_Handle Builtin::LoadAndCheckLibrary(BuiltinLibraryId id) { |
| ASSERT(static_cast<int>(id) >= 0); |
| ASSERT(static_cast<int>(id) < num_libs_); |
| |
| Dart_Handle url = DartUtils::NewString(builtin_libraries_[id].url_); |
| Dart_Handle library = Dart_LookupLibrary(url); |
| if (Dart_IsError(library)) { |
| library = LoadLibrary(url, id); |
| } |
| return library; |
| } |
| |
| } // namespace bin |
| } // namespace dart |