From 0b4fcbeae101f2a5171217f65bab9c6545e853ba Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 19 Nov 2010 10:12:22 +0200
Subject: Add option description that can be examined at runtime.

New option: --generate-description.
---
 cli/runtime-source.cxx | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'cli/runtime-source.cxx')

diff --git a/cli/runtime-source.cxx b/cli/runtime-source.cxx
index c76b745..7ccf404 100644
--- a/cli/runtime-source.cxx
+++ b/cli/runtime-source.cxx
@@ -412,6 +412,25 @@ generate_runtime_source (context& ctx)
        << "}";
   }
 
+  // Option description.
+  //
+  if (ctx.options.generate_description ())
+  {
+    // options
+    //
+    os << "void options::" << endl
+       << "push_back (const option& o)"
+       << "{"
+       << "container_type::size_type n (size ());"
+       << "container_type::push_back (o);"
+       << "map_[o.name ()] = n;"
+       << endl
+       << "for (option_names::const_iterator i (o.aliases ().begin ());" << endl
+       << "i != o.aliases ().end (); ++i)" << endl
+       << "map_[*i] = n;"
+       << "}";
+  }
+
   bool sp (ctx.specifier);
 
   // parser class template & its specializations
-- 
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