1 files changed, 58 insertions, 0 deletions
diff --git a/js/src/vm/ArgumentsObject-inl.h b/js/src/vm/ArgumentsObject-inl.h
new file mode 100644
index 0000000000..4ef7493f79
--- /dev/null
+++ b/js/src/vm/ArgumentsObject-inl.h
@@ -0,0 +1,58 @@
+/* -*- 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/. */
+
+#ifndef vm_ArgumentsObject_inl_h
+#define vm_ArgumentsObject_inl_h
+
+#include "vm/ArgumentsObject.h"
+
+#include "vm/EnvironmentObject.h"
+
+#include "vm/EnvironmentObject-inl.h"
+
+namespace js {
+
+inline const Value& ArgumentsObject::element(uint32_t i) const {
+  MOZ_ASSERT(isElement(i));
+  const Value& v = data()->args[i];
+  if (IsMagicScopeSlotValue(v)) {
+    CallObject& callobj =
+        getFixedSlot(MAYBE_CALL_SLOT).toObject().as<CallObject>();
+    return callobj.aliasedFormalFromArguments(v);
+  }
+  return v;
+}
+
+inline void ArgumentsObject::setElement(uint32_t i, const Value& v) {
+  MOZ_ASSERT(isElement(i));
+  GCPtr<Value>& lhs = data()->args[i];
+  if (IsMagicScopeSlotValue(lhs)) {
+    CallObject& callobj =
+        getFixedSlot(MAYBE_CALL_SLOT).toObject().as<CallObject>();
+    callobj.setAliasedFormalFromArguments(lhs, v);
+  } else {
+    lhs = v;
+  }
+}
+
+inline bool ArgumentsObject::maybeGetElements(uint32_t start, uint32_t count,
+                                              Value* vp) {
+  MOZ_ASSERT(start + count >= start);
+
+  uint32_t length = initialLength();
+  if (start > length || start + count > length || hasOverriddenElement()) {
+    return false;
+  }
+
+  for (uint32_t i = start, end = start + count; i < end; ++i, ++vp) {
+    *vp = element(i);
+  }
+  return true;
+}
+
+} /* namespace js */
+
+#endif /* vm_ArgumentsObject_inl_h */