From 41a5d654eb037df21e4588ca749048cb4065658e Mon Sep 17 00:00:00 2001
From: Egor Tensin <Egor.Tensin@gmail.com>
Date: Fri, 16 Oct 2020 10:58:03 +0300
Subject: VS 2013 workarounds

---
 include/winapi/process.hpp | 37 ++++++++++++++++++++++++++-
 include/winapi/stream.hpp  | 64 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 100 insertions(+), 1 deletion(-)

(limited to 'include/winapi')

diff --git a/include/winapi/process.hpp b/include/winapi/process.hpp
index 22317ca..2614c0f 100644
--- a/include/winapi/process.hpp
+++ b/include/winapi/process.hpp
@@ -9,6 +9,8 @@
 #include "handle.hpp"
 #include "stream.hpp"
 
+#include <boost/config.hpp>
+
 #include <utility>
 
 namespace winapi {
@@ -16,11 +18,31 @@ namespace winapi {
 class Process {
 public:
     struct IO {
+        IO() = default;
+
+        void close();
+
         process::Stdin std_in;
         process::Stdout std_out;
         process::Stderr std_err;
 
-        void close();
+        // VS 2013 won't generate these automatically.
+
+        IO(IO&& other) BOOST_NOEXCEPT_OR_NOTHROW { swap(other); }
+
+        IO& operator=(IO other) BOOST_NOEXCEPT_OR_NOTHROW {
+            swap(other);
+            return *this;
+        }
+
+        void swap(IO& other) BOOST_NOEXCEPT_OR_NOTHROW {
+            using std::swap;
+            swap(std_in, other.std_in);
+            swap(std_out, other.std_out);
+            swap(std_err, other.std_err);
+        }
+
+        IO(const IO&) = delete;
     };
 
     static Process create(const CommandLine&);
@@ -34,4 +56,17 @@ private:
     Handle m_handle;
 };
 
+inline void swap(Process::IO& a, Process::IO& b) BOOST_NOEXCEPT_OR_NOTHROW {
+    a.swap(b);
+}
+
 } // namespace winapi
+
+namespace std {
+
+template <>
+inline void swap(winapi::Process::IO& a, winapi::Process::IO& b) BOOST_NOEXCEPT_OR_NOTHROW {
+    a.swap(b);
+}
+
+} // namespace std
diff --git a/include/winapi/stream.hpp b/include/winapi/stream.hpp
index cf85508..6b4bc38 100644
--- a/include/winapi/stream.hpp
+++ b/include/winapi/stream.hpp
@@ -8,6 +8,8 @@
 #include "handle.hpp"
 #include "pipe.hpp"
 
+#include <boost/config.hpp>
+
 #include <string>
 #include <utility>
 
@@ -18,25 +20,87 @@ struct Stream {
     Stream(Handle&& handle) : handle{std::move(handle)} {}
 
     Handle handle;
+
+    // VS 2013 won't generate these automatically.
+
+    Stream(Stream&& other) BOOST_NOEXCEPT_OR_NOTHROW { swap(other); }
+
+    Stream& operator=(Stream other) BOOST_NOEXCEPT_OR_NOTHROW {
+        swap(other);
+        return *this;
+    }
+
+    void swap(Stream& other) BOOST_NOEXCEPT_OR_NOTHROW {
+        using std::swap;
+        swap(handle, other.handle);
+    }
+
+    Stream(const Stream&) = delete;
 };
 
+inline void swap(Stream& a, Stream& b) BOOST_NOEXCEPT_OR_NOTHROW {
+    a.swap(b);
+}
+
 struct Stdin : Stream {
     Stdin();
     explicit Stdin(const std::string& file);
     explicit Stdin(Pipe&);
+
+    // VS 2013 won't generate these automatically.
+
+    Stdin(Stdin&& other) BOOST_NOEXCEPT_OR_NOTHROW : Stream{std::move(other)} {}
+
+    Stdin& operator=(Stdin other) BOOST_NOEXCEPT_OR_NOTHROW {
+        Stream::operator=(std::move(other));
+        return *this;
+    }
+
+    Stdin(const Stdin&) = delete;
 };
 
 struct Stdout : Stream {
     Stdout();
     explicit Stdout(const std::string& file);
     explicit Stdout(Pipe&);
+
+    // VS 2013 won't generate these automatically.
+
+    Stdout(Stdout&& other) BOOST_NOEXCEPT_OR_NOTHROW : Stream{std::move(other)} {}
+
+    Stdout& operator=(Stdout other) BOOST_NOEXCEPT_OR_NOTHROW {
+        Stream::operator=(std::move(other));
+        return *this;
+    }
+
+    Stdout(const Stdout&) = delete;
 };
 
 struct Stderr : Stream {
     Stderr();
     explicit Stderr(const std::string& file);
     explicit Stderr(Pipe&);
+
+    // VS 2013 won't generate these automatically.
+
+    Stderr(Stderr&& other) BOOST_NOEXCEPT_OR_NOTHROW : Stream{std::move(other)} {}
+
+    Stderr& operator=(Stderr other) BOOST_NOEXCEPT_OR_NOTHROW {
+        Stream::operator=(std::move(other));
+        return *this;
+    }
+
+    Stderr(const Stderr&) = delete;
 };
 
 } // namespace process
 } // namespace winapi
+
+namespace std {
+
+template <>
+inline void swap(winapi::process::Stream& a, winapi::process::Stream& b) BOOST_NOEXCEPT_OR_NOTHROW {
+    a.swap(b);
+}
+
+} // namespace std
-- 
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