- Implement package map parameter when spawning isolate.

runtime/bin/dartutils.cc

 // 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 "bin/dartutils.h"
 
 #include "include/dart_api.h"
 #include "include/dart_tools_api.h"
 #include "include/dart_native_api.h"
 
@@ skipping 619 matching lines @@
     Dart_PropagateError(err);
   }
 }
 
 
 Dart_Handle DartUtils::PrepareBuiltinLibrary(Dart_Handle builtin_lib,
                                              Dart_Handle internal_lib,
                                              bool is_service_isolate,
                                              bool trace_loading,
                                              const char* package_root,
+                                             const char** package_map,
                                              const char* packages_file) {
   // Setup the internal library's 'internalPrint' function.
   Dart_Handle print = Dart_Invoke(
       builtin_lib, NewString("_getPrintClosure"), 0, NULL);
   RETURN_IF_ERROR(print);
   Dart_Handle result =
       Dart_SetField(internal_lib, NewString("_printClosure"), print);
   RETURN_IF_ERROR(result);
 
   if (!is_service_isolate) {
@@ skipping 13 matching lines @@
     Dart_Port load_port = Dart_ServiceWaitForLoadPort();
     if (load_port == ILLEGAL_PORT) {
       return NewDartUnsupportedError("Service did not return load port.");
     }
     result = Builtin::SetLoadPort(load_port);
     RETURN_IF_ERROR(result);
   }
 
   // Set up package root if specified.
   if (package_root != NULL) {
+    ASSERT(package_map == NULL);
     ASSERT(packages_file == NULL);
     result = NewString(package_root);
     RETURN_IF_ERROR(result);
     const int kNumArgs = 1;
     Dart_Handle dart_args[kNumArgs];
     dart_args[0] = result;
     result = Dart_Invoke(builtin_lib,
                          NewString("_setPackageRoot"),
                          kNumArgs,
                          dart_args);
     RETURN_IF_ERROR(result);
+  } else if (package_map != NULL) {
+    ASSERT(packages_file == NULL);
+    Dart_Handle func_name = NewString("_addPackageMapEntry");
+    RETURN_IF_ERROR(func_name);
+
+    for (int i = 0; package_map[i] != NULL; i +=2) {
+      const int kNumArgs = 2;
+      Dart_Handle dart_args[kNumArgs];
+      // Get the key.
+      result = NewString(package_map[i]);
+      RETURN_IF_ERROR(result);
+      dart_args[0] = result;
+      if (package_map[i + 1] == NULL) {
+        return Dart_NewUnhandledExceptionError(
+            NewDartArgumentError("Adding package map entry without value."));
+      }
+      // Get the value.
+      result = NewString(package_map[i + 1]);
+      RETURN_IF_ERROR(result);
+      dart_args[1] = result;
+      // Setup the next package map entry.
+      result = Dart_Invoke(builtin_lib,
+                           func_name,
+                           kNumArgs,
+                           dart_args);
+      RETURN_IF_ERROR(result);
+    }
   } else if (packages_file != NULL) {
     result = NewString(packages_file);
     RETURN_IF_ERROR(result);
     const int kNumArgs = 1;
     Dart_Handle dart_args[kNumArgs];
     dart_args[0] = result;
     result = Dart_Invoke(builtin_lib,
                          NewString("_loadPackagesMap"),
                          kNumArgs,
                          dart_args);
@@ skipping 37 matching lines @@
   return Dart_Invoke(io_lib, NewString("_setupHooks"), 0, NULL);
 }
 
 
 Dart_Handle DartUtils::PrepareIsolateLibrary(Dart_Handle isolate_lib) {
   return Dart_Invoke(isolate_lib, NewString("_setupHooks"), 0, NULL);
 }
 
 
 Dart_Handle DartUtils::PrepareForScriptLoading(const char* package_root,
+                                               const char** package_map,
                                                const char* packages_file,
                                                bool is_service_isolate,
                                                bool trace_loading,
                                                Dart_Handle builtin_lib) {
   // First ensure all required libraries are available.
   Dart_Handle url = NewString(kCoreLibURL);
   RETURN_IF_ERROR(url);
   Dart_Handle core_lib = Dart_LookupLibrary(url);
   RETURN_IF_ERROR(core_lib);
   url = NewString(kAsyncLibURL);
@@ skipping 14 matching lines @@
   // We need to ensure that all the scripts loaded so far are finalized
   // as we are about to invoke some Dart code below to setup closures.
   Dart_Handle result = Dart_FinalizeLoading(false);
   RETURN_IF_ERROR(result);
 
   result = PrepareBuiltinLibrary(builtin_lib,
                                  internal_lib,
                                  is_service_isolate,
                                  trace_loading,
                                  package_root,
+                                 package_map,
                                  packages_file);
   RETURN_IF_ERROR(result);
 
   RETURN_IF_ERROR(PrepareAsyncLibrary(async_lib, isolate_lib));
   RETURN_IF_ERROR(PrepareCoreLibrary(
       core_lib, builtin_lib, is_service_isolate));
   RETURN_IF_ERROR(PrepareIsolateLibrary(isolate_lib));
   RETURN_IF_ERROR(PrepareIOLibrary(io_lib));
   return result;
 }
@@ skipping 455 matching lines @@
       new CObjectString(CObject::NewString(os_error->message()));
   CObjectArray* result = new CObjectArray(CObject::NewArray(3));
   result->SetAt(0, new CObjectInt32(CObject::NewInt32(kOSError)));
   result->SetAt(1, new CObjectInt32(CObject::NewInt32(os_error->code())));
   result->SetAt(2, error_message);
   return result;
 }
 
 }  // namespace bin
 }  // namespace dart