Source/cmMakefileProfilingData.h

   1 /* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
   2    file Copyright.txt or https://cmake.org/licensing for details.  */
   3 #pragma once
   4 #include <memory>
   5 #include <string>
   6
   7 #include <cm/optional>
   8
   9 #include <cm3p/json/value.h> // IWYU pragma: keep
  10
  11 #include "cmsys/FStream.hxx"
  12
  13 namespace Json {
  14 class StreamWriter;
  15 }
  16
  17 class cmMakefileProfilingData
  18 {
  19 public:
  20   cmMakefileProfilingData(const std::string&);
  21   ~cmMakefileProfilingData() noexcept;
  22   void StartEntry(const std::string& category, const std::string& name,
  23                   cm::optional<Json::Value> args = cm::nullopt);
  24   void StopEntry();
  25
  26   class RAII
  27   {
  28   public:
  29     RAII() = delete;
  30     RAII(const RAII&) = delete;
  31     RAII(RAII&&) noexcept;
  32
  33     RAII(cmMakefileProfilingData& data, const std::string& category,
  34          const std::string& name,
  35          cm::optional<Json::Value> args = cm::nullopt);
  36
  37     ~RAII();
  38
  39     RAII& operator=(const RAII&) = delete;
  40     RAII& operator=(RAII&&) noexcept;
  41
  42   private:
  43     cmMakefileProfilingData* Data = nullptr;
  44   };
  45
  46 private:
  47   cmsys::ofstream ProfileStream;
  48   std::unique_ptr<Json::StreamWriter> JsonWriter;
  49 };