From 0143e511f7a5f3595907787a832bee4e3cd03daf Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Sun, 13 Sep 2009 11:52:46 +0200
Subject: Add code stream interface and SLOC counter

---
 cutl/compiler/code-stream.txx | 96 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100644 cutl/compiler/code-stream.txx

(limited to 'cutl/compiler/code-stream.txx')

diff --git a/cutl/compiler/code-stream.txx b/cutl/compiler/code-stream.txx
new file mode 100644
index 0000000..e834da7
--- /dev/null
+++ b/cutl/compiler/code-stream.txx
@@ -0,0 +1,96 @@
+// file      : cutl/compiler/code-stream.txx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2009 Code Synthesis Tools CC
+// license   : MIT; see accompanying LICENSE file
+
+namespace cutl
+{
+  namespace compiler
+  {
+    // code_stream
+    //
+
+    template <typename C>
+    code_stream<C>::~code_stream ()
+    {
+    }
+
+    // from_streambuf_adapter
+    //
+
+    template <typename C>
+    void from_streambuf_adapter<C>::
+    put (C c)
+    {
+      int_type i (stream_.sputc (c));
+
+      if (i == traits_type::eof ())
+        throw eof ();
+    }
+
+    template <typename C>
+    void from_streambuf_adapter<C>::
+    unbuffer ()
+    {
+      if (stream_.pubsync () != 0)
+        throw sync ();
+    }
+
+    // to_streambuf_adapter
+    //
+
+    template <typename C>
+    typename to_streambuf_adapter<C>::int_type to_streambuf_adapter<C>::
+    overflow (int_type i)
+    {
+      try
+      {
+        stream_.put (traits_type::to_char_type (i));
+        return i;
+      }
+      catch (typename from_streambuf_adapter<C>::eof const&)
+      {
+        return traits_type::eof ();
+      }
+    }
+
+    template <typename C>
+    int to_streambuf_adapter<C>::
+    sync ()
+    {
+      return 0;
+    }
+
+    // ostream_filter
+    //
+
+    template <template <typename> class S, typename C>
+    ostream_filter<S, C>::
+    ostream_filter (std::basic_ostream<C>& os)
+        : os_ (os),
+          prev_ (os_.rdbuf ()),
+          from_adapter_ (*prev_),
+          stream_ (from_adapter_),
+          to_adapter_ (stream_)
+    {
+      os_.rdbuf (&to_adapter_);
+    }
+
+    template <template <typename> class S, typename C>
+    ostream_filter<S, C>::
+    ~ostream_filter ()
+    {
+      try
+      {
+        stream_.unbuffer ();
+      }
+      catch (...)
+      {
+        os_.rdbuf (prev_);
+        throw;
+      }
+
+      os_.rdbuf (prev_);
+    }
+  }
+}
-- 
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