From ab5a37ec04dbf27899f6303fa22a5c145442fb92 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 10 Mar 2011 09:19:33 +0200
Subject: Add support for querying type_info of context entries

---
 cutl/compiler/context.cxx | 11 +++++++++++
 cutl/compiler/context.hxx | 12 +++++++++++-
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/cutl/compiler/context.cxx b/cutl/compiler/context.cxx
index 7961388..9623588 100644
--- a/cutl/compiler/context.cxx
+++ b/cutl/compiler/context.cxx
@@ -19,5 +19,16 @@ namespace cutl
 
       map_.erase (i);
     }
+
+    std::type_info const& context::
+    type_info (std::string const& key) const
+    {
+      map::const_iterator i (map_.find (key));
+
+      if (i == map_.end ())
+        throw no_entry ();
+
+      return i->second.type_info ();
+    }
   }
 }
diff --git a/cutl/compiler/context.hxx b/cutl/compiler/context.hxx
index 9cfd4be..c8e35e6 100644
--- a/cutl/compiler/context.hxx
+++ b/cutl/compiler/context.hxx
@@ -9,6 +9,7 @@
 #include <map>
 #include <string>
 #include <cstddef> // std::size_t
+#include <typeinfo>
 
 #include <cutl/exception.hxx>
 #include <cutl/container/any.hxx>
@@ -79,7 +80,7 @@ namespace cutl
       X const&
       get (char const* key, X const& default_value) const
       {
-        return get<X> (std::string (key) ,default_value);
+        return get<X> (std::string (key), default_value);
       }
 
       template <typename X>
@@ -106,6 +107,15 @@ namespace cutl
       void
       remove (std::string const& key);
 
+      std::type_info const&
+      type_info (char const* key) const
+      {
+        return type_info (std::string (key));
+      }
+
+      std::type_info const&
+      type_info (std::string const& key) const;
+
     private:
       typedef std::map<std::string, container::any> map;
 
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