41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
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//===- FDRLogBuilder.h - XRay FDR Log Building Utility --------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_INCLUDE_LLVM_XRAY_FDRLOGBUILDER_H_
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#define LLVM_INCLUDE_LLVM_XRAY_FDRLOGBUILDER_H_
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#include "llvm/XRay/FDRRecords.h"
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namespace llvm {
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namespace xray {
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/// The LogBuilder class allows for creating ad-hoc collections of records
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/// through the `add<...>(...)` function. An example use of this API is in
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/// crafting arbitrary sequences of records:
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///
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/// auto Records = LogBuilder()
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/// .add<BufferExtents>(256)
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/// .add<NewBufferRecord>(1)
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/// .consume();
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///
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class LogBuilder {
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std::vector<std::unique_ptr<Record>> Records;
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public:
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template <class R, class... T> LogBuilder &add(T &&... A) {
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Records.emplace_back(new R(std::forward<T>(A)...));
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return *this;
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}
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std::vector<std::unique_ptr<Record>> consume() { return std::move(Records); }
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};
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} // namespace xray
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} // namespace llvm
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#endif // LLVM_INCLUDE_LLVM_XRAY_FDRLOGBUILDER_H_
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