40 lines
1.5 KiB
C++
40 lines
1.5 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_experimental_CodeCoverage_h
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#define js_experimental_CodeCoverage_h
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#include "jstypes.h" // JS_PUBLIC_API
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#include "js/Utility.h" // JS::UniqueChars
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struct JS_PUBLIC_API JSContext;
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namespace js {
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/**
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* Enable the collection of lcov code coverage metrics.
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* Must be called before a runtime is created and before any calls to
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* GetCodeCoverageSummary.
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*/
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extern JS_PUBLIC_API void EnableCodeCoverage();
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/**
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* Generate lcov trace file content for the current realm, and allocate a new
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* buffer and return the content in it, the size of the newly allocated content
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* within the buffer would be set to the length out-param. The 'All' variant
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* will collect data for all realms in the runtime.
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*
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* In case of out-of-memory, this function returns nullptr. The length
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* out-param is undefined on failure.
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*/
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extern JS_PUBLIC_API JS::UniqueChars GetCodeCoverageSummary(JSContext* cx,
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size_t* length);
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extern JS_PUBLIC_API JS::UniqueChars GetCodeCoverageSummaryAll(JSContext* cx,
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size_t* length);
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} // namespace js
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#endif // js_experimental_CodeCoverage_h
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