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-rw-r--r--js/src/ds/IdValuePair.h35
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diff --git a/js/src/ds/IdValuePair.h b/js/src/ds/IdValuePair.h
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+/* -*- 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 ds_IdValuePair_h
+#define ds_IdValuePair_h
+
+#include "gc/Tracer.h"
+#include "js/GCVector.h"
+#include "js/Id.h"
+#include "js/Value.h"
+
+namespace js {
+
+struct IdValuePair {
+ JS::Value value;
+ jsid id;
+
+ IdValuePair() : value(JS::UndefinedValue()), id(JS::PropertyKey::Void()) {}
+ explicit IdValuePair(jsid idArg) : value(JS::UndefinedValue()), id(idArg) {}
+ IdValuePair(jsid idArg, const Value& valueArg) : value(valueArg), id(idArg) {}
+
+ void trace(JSTracer* trc) {
+ TraceRoot(trc, &value, "IdValuePair::value");
+ TraceRoot(trc, &id, "IdValuePair::id");
+ }
+};
+
+using IdValueVector = JS::GCVector<IdValuePair, 8>;
+
+} /* namespace js */
+
+#endif /* ds_IdValuePair_h */