| // 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. |
| |
| #ifndef BIN_ISOLATE_DATA_H_ |
| #define BIN_ISOLATE_DATA_H_ |
| |
| #include "include/dart_api.h" |
| #include "platform/assert.h" |
| #include "platform/globals.h" |
| |
| namespace dart { |
| namespace bin { |
| |
| // Forward declaration. |
| class EventHandler; |
| class Loader; |
| |
| // Data associated with every isolate in the standalone VM |
| // embedding. This is used to free external resources for each isolate |
| // when the isolate shuts down. |
| class IsolateData { |
| public: |
| IsolateData(const char* url, |
| const char* package_root, |
| const char* packages_file) |
| : script_url((url != NULL) ? strdup(url) : NULL), |
| package_root(NULL), |
| packages_file(NULL), |
| udp_receive_buffer(NULL), |
| builtin_lib_(NULL), |
| loader_(NULL) { |
| if (package_root != NULL) { |
| ASSERT(packages_file == NULL); |
| this->package_root = strdup(package_root); |
| } else if (packages_file != NULL) { |
| this->packages_file = strdup(packages_file); |
| } |
| } |
| |
| ~IsolateData() { |
| free(script_url); |
| script_url = NULL; |
| free(package_root); |
| package_root = NULL; |
| free(packages_file); |
| packages_file = NULL; |
| free(udp_receive_buffer); |
| udp_receive_buffer = NULL; |
| if (builtin_lib_ != NULL) { |
| Dart_DeletePersistentHandle(builtin_lib_); |
| } |
| } |
| |
| Dart_Handle builtin_lib() const { |
| ASSERT(builtin_lib_ != NULL); |
| ASSERT(!Dart_IsError(builtin_lib_)); |
| return builtin_lib_; |
| } |
| void set_builtin_lib(Dart_Handle lib) { |
| ASSERT(builtin_lib_ == NULL); |
| ASSERT(lib != NULL); |
| ASSERT(!Dart_IsError(lib)); |
| builtin_lib_ = Dart_NewPersistentHandle(lib); |
| } |
| |
| char* script_url; |
| char* package_root; |
| char* packages_file; |
| uint8_t* udp_receive_buffer; |
| |
| // While loading a loader is associated with the isolate. |
| bool HasLoader() const { return loader_ != NULL; } |
| Loader* loader() const { |
| ASSERT(loader_ != NULL); |
| return loader_; |
| } |
| void set_loader(Loader* loader) { |
| ASSERT((loader_ == NULL) || (loader == NULL)); |
| loader_ = loader; |
| } |
| |
| private: |
| Dart_Handle builtin_lib_; |
| Loader* loader_; |
| |
| DISALLOW_COPY_AND_ASSIGN(IsolateData); |
| }; |
| |
| } // namespace bin |
| } // namespace dart |
| |
| #endif // BIN_ISOLATE_DATA_H_ |