Provide a mechanism for dumping of heap profiles on predefined events.

runtime/vm/dart_api_impl.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 "include/dart_api.h"
 
 #include "vm/bigint_operations.h"
 #include "vm/class_finalizer.h"
 #include "vm/compiler.h"
 #include "vm/dart.h"
@@ skipping 775 matching lines @@
   }
   const char* last_backslash = strrchr(script_uri, '\\');
   if (last_backslash != NULL) {
     script_uri = last_backslash + 1;
   }
   if (main == NULL) {
     main = "main";
   }
 
   char* chars = NULL;
-  intptr_t len = OS::SNPrint(NULL, 0, "%s/%s", script_uri, main) + 1;
+  intptr_t len = OS::SNPrint(NULL, 0, "%s$%s", script_uri, main) + 1;
   chars = reinterpret_cast<char*>(malloc(len));
-  OS::SNPrint(chars, len, "%s/%s", script_uri, main);
+  OS::SNPrint(chars, len, "%s$%s", script_uri, main);
   return chars;
 }
 
 
 DART_EXPORT Dart_Isolate Dart_CreateIsolate(const char* script_uri,
                                             const char* main,
                                             const uint8_t* snapshot,
                                             void* callback_data,
                                             char** error) {
   char* isolate_name = BuildIsolateName(script_uri, main);
@@ skipping 3650 matching lines @@
   }
   {
     NoGCScope no_gc;
     RawObject* raw_obj = obj.raw();
     isolate->heap()->SetPeer(raw_obj, peer);
   }
   return Api::Success(isolate);
 }
 
 }  // namespace dart