1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/util/AllocPolicy.cpp b/js/src/util/AllocPolicy.cpp
new file mode 100644
index 0000000000..c3746c95aa
--- /dev/null
+++ b/js/src/util/AllocPolicy.cpp
@@ -0,0 +1,38 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set ts=8 sts=2 et sw=2 tw=80:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "js/AllocPolicy.h"
+
+#include "frontend/FrontendContext.h"  // FrontendContext
+#include "vm/JSContext.h"
+
+using namespace js;
+
+void* TempAllocPolicy::onOutOfMemory(arena_id_t arenaId,
+                                     AllocFunction allocFunc, size_t nbytes,
+                                     void* reallocPtr) {
+  void* result;
+  if (hasJSContext()) {
+    result = cx()->onOutOfMemory(allocFunc, arenaId, nbytes, reallocPtr);
+  } else {
+    result = fc()->onOutOfMemory(allocFunc, arenaId, nbytes, reallocPtr);
+  }
+  return result;
+}
+
+#ifdef DEBUG
+void TempAllocPolicy::assertNotJSContextOnHelperThread() const {
+  MOZ_ASSERT(!(hasJSContext() && cx() && cx()->isHelperThreadContext()));
+}
+#endif /* DEBUG */
+
+void TempAllocPolicy::reportAllocOverflow() const {
+  if (hasJSContext()) {
+    ReportAllocationOverflow(cx());
+  } else {
+    ReportAllocationOverflow(fc());
+  }
+}