Make implicit things explicit when loading scripts.

runtime/bin/dartutils.h

 // 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_DARTUTILS_H_
 #define BIN_DARTUTILS_H_
 
 #include "include/dart_api.h"
 #include "include/dart_native_api.h"
 
@@ skipping 104 matching lines @@
   static void ReadFile(const uint8_t** data, intptr_t* file_len, void* stream);
   static void WriteFile(const void* buffer, intptr_t num_bytes, void* stream);
   static void CloseFile(void* stream);
   static Dart_Handle ReadStringFromFile(const char* filename);
   static Dart_Handle ReadStringFromHttp(const char* filename);
   static Dart_Handle LibraryTagHandler(Dart_LibraryTag tag,
                                        Dart_Handle library,
                                        Dart_Handle url);
   static Dart_Handle LoadScript(const char* script_uri,
                                 Dart_Handle builtin_lib);
-  static Dart_Handle LoadScriptHttp(Dart_Handle script_uri,
+  static Dart_Handle LoadScriptHttp(Dart_Handle uri,
                                     Dart_Handle builtin_lib);
   static Dart_Handle LoadSource(CommandLineOptions* url_mapping,
                                 Dart_Handle library,
                                 Dart_Handle url,
                                 Dart_LibraryTag tag,
                                 const char* filename);
   static Dart_Handle PrepareForScriptLoading(const char* package_root,
                                              Dart_Handle builtin_lib);
 
   static bool PostNull(Dart_Port port_id);
@@ skipping 20 matching lines @@
   }
 
   // Create a new Dart InternalError object with the provided message.
   static Dart_Handle NewInternalError(const char* message);
 
   static void SetOriginalWorkingDirectory();
 
   static const char* MapLibraryUrl(CommandLineOptions* url_mapping,
                                    const char* url_string);
 
+  static Dart_Handle SetWorkingDirectory(Dart_Handle builtin_lib);
+
   static Dart_Handle ResolveScriptUri(Dart_Handle script_uri,
                                       Dart_Handle builtin_lib);
 
   static Dart_Handle FilePathFromUri(Dart_Handle script_uri,
                                      Dart_Handle builtin_lib);
 
+  static Dart_Handle PathFromUri(Dart_Handle script_uri,
+                                 Dart_Handle builtin_lib);
+
+  static Dart_Handle HostFromUri(Dart_Handle script_uri,
+                                 Dart_Handle builtin_lib);
+
+  static Dart_Handle PortFromUri(Dart_Handle script_uri,
+                                 Dart_Handle builtin_lib);
+
   static Dart_Handle ResolveUri(Dart_Handle library_url,
                                 Dart_Handle url,
                                 Dart_Handle builtin_lib);
 
   // Sniffs the specified text_buffer to see if it contains the magic number
   // representing a script snapshot. If the text_buffer is a script snapshot
   // the return value is an updated pointer to the text_buffer pointing past
   // the magic number value. The 'buffer_len' parameter is also appropriately
   // adjusted.
   static const uint8_t* SniffForMagicNumber(const uint8_t* text_buffer,
@@ skipping 326 matching lines @@
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(CObjectExternalUint8Array);
 };
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // BIN_DARTUTILS_H_