ab5591e1d8
stella.stemenova mentioned in https://reviews.llvm.org/D93951 failures on Windows for this test. I'm fixing the macro definitions and disabling the tests for python versions lower than 3.7. I'll figure out that actual issue with python3.6 after the buildbots are fine again.
86 lines
2.7 KiB
C++
86 lines
2.7 KiB
C++
//===-- FifoFiles.h ---------------------------------------------*- C++ -*-===//
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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 LLDB_TOOLS_LLDB_VSCODE_FIFOFILES_H
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#define LLDB_TOOLS_LLDB_VSCODE_FIFOFILES_H
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#include "llvm/Config/llvm-config.h" // for LLVM_ON_UNIX
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#include "llvm/Support/Error.h"
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#include "JSONUtils.h"
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namespace lldb_vscode {
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/// Struct that controls the life of a fifo file in the filesystem.
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///
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/// The file is destroyed when the destructor is invoked.
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struct FifoFile {
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FifoFile(llvm::StringRef path);
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~FifoFile();
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std::string m_path;
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};
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/// Create a fifo file in the filesystem.
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///
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/// \param[in] path
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/// The path for the fifo file.
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///
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/// \return
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/// A \a std::shared_ptr<FifoFile> if the file could be created, or an
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/// \a llvm::Error in case of failures.
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llvm::Expected<std::shared_ptr<FifoFile>> CreateFifoFile(llvm::StringRef path);
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class FifoFileIO {
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public:
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/// \param[in] fifo_file
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/// The path to an input fifo file that exists in the file system.
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///
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/// \param[in] other_endpoint_name
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/// A human readable name for the other endpoint that will communicate
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/// using this file. This is used for error messages.
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FifoFileIO(llvm::StringRef fifo_file, llvm::StringRef other_endpoint_name);
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/// Read the next JSON object from the underlying input fifo file.
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///
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/// The JSON object is expected to be a single line delimited with \a
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/// std::endl.
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///
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/// \return
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/// An \a llvm::Error object indicating the success or failure of this
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/// operation. Failures arise if the timeout is hit, the next line of text
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/// from the fifo file is not a valid JSON object, or is it impossible to
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/// read from the file.
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llvm::Expected<llvm::json::Value> ReadJSON(std::chrono::milliseconds timeout);
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/// Serialize a JSON object and write it to the underlying output fifo file.
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///
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/// \param[in] json
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/// The JSON object to send. It will be printed as a single line delimited
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/// with \a std::endl.
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///
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/// \param[in] timeout
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/// A timeout for how long we should until for the data to be consumed.
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///
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/// \return
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/// An \a llvm::Error object indicating whether the data was consumed by
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/// a reader or not.
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llvm::Error SendJSON(
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const llvm::json::Value &json,
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std::chrono::milliseconds timeout = std::chrono::milliseconds(20000));
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private:
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std::string m_fifo_file;
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std::string m_other_endpoint_name;
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};
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} // namespace lldb_vscode
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#endif // LLDB_TOOLS_LLDB_VSCODE_FIFOFILES_H
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