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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 js_UbiNodeUtils_h
#define js_UbiNodeUtils_h
#include "jspubtd.h"
#include "js/UbiNode.h"
#include "js/UniquePtr.h"
using JS::ubi::Edge;
using JS::ubi::EdgeRange;
using JS::ubi::EdgeVector;
namespace JS {
namespace ubi {
// An EdgeRange concrete class that simply holds a vector of Edges,
// populated by the addTracerEdges method.
class SimpleEdgeRange : public EdgeRange {
EdgeVector edges;
size_t i;
protected:
void settle() { front_ = i < edges.length() ? &edges[i] : nullptr; }
public:
explicit SimpleEdgeRange() : edges(), i(0) {}
bool addTracerEdges(JSRuntime* rt, void* thing, JS::TraceKind kind,
bool wantNames);
bool addEdge(Edge edge) {
if (!edges.append(std::move(edge))) return false;
settle();
return true;
}
void popFront() override {
i++;
settle();
}
};
} // namespace ubi
} // namespace JS
#endif // js_UbiNodeUtils_h