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52 lines
1.2 KiB
C++
52 lines
1.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: set ts=8 sts=2 et sw=2 tw=80:
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef js_UbiNodeUtils_h
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#define js_UbiNodeUtils_h
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#include "jspubtd.h"
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#include "js/UbiNode.h"
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#include "js/UniquePtr.h"
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using JS::ubi::Edge;
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using JS::ubi::EdgeRange;
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using JS::ubi::EdgeVector;
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namespace JS {
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namespace ubi {
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// An EdgeRange concrete class that simply holds a vector of Edges,
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// populated by the addTracerEdges method.
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class SimpleEdgeRange : public EdgeRange {
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EdgeVector edges;
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size_t i;
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protected:
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void settle() { front_ = i < edges.length() ? &edges[i] : nullptr; }
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public:
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explicit SimpleEdgeRange() : edges(), i(0) {}
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bool addTracerEdges(JSRuntime* rt, void* thing, JS::TraceKind kind,
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bool wantNames);
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bool addEdge(Edge edge) {
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if (!edges.append(std::move(edge))) return false;
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settle();
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return true;
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}
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void popFront() override {
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i++;
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settle();
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}
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};
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} // namespace ubi
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} // namespace JS
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#endif // js_UbiNodeUtils_h
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