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