From cb9ea47e7825b5073d4d645afb94f6326cb7cf4d Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Sun, 6 Sep 2009 12:52:53 +0200
Subject: Start the libcutl repository

---
 cutl/compiler/context.txx | 85 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 cutl/compiler/context.txx

(limited to 'cutl/compiler/context.txx')

diff --git a/cutl/compiler/context.txx b/cutl/compiler/context.txx
new file mode 100644
index 0000000..55a24f7
--- /dev/null
+++ b/cutl/compiler/context.txx
@@ -0,0 +1,85 @@
+// file      : cutl/compiler/context.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
+  {
+    template <typename X>
+    X& context::
+    get (char const* key)
+    {
+      map::iterator i (map_.find (key));
+
+      if (i == map_.end ())
+        throw no_entry ();
+
+      try
+      {
+        return i->second.value<X> ();
+      }
+      catch (container::any::typing const&)
+      {
+        throw typing ();
+      }
+    }
+
+    template <typename X>
+    X const& context::
+    get (char const* key) const
+    {
+      map::const_iterator i (map_.find (key));
+
+      if (i == map_.end ())
+        throw no_entry ();
+
+      try
+      {
+        return i->second.value<X> ();
+      }
+      catch (container::any::typing const&)
+      {
+        throw typing ();
+      }
+    }
+
+    template <typename X>
+    X const& context::
+    get (char const* key, X const& default_value) const
+    {
+      map::const_iterator i (map_.find (key));
+
+      if (i == map_.end ())
+        return default_value;
+
+      try
+      {
+        return i->second.value<X> ();
+      }
+      catch (container::any::typing const&)
+      {
+        throw typing ();
+      }
+    }
+
+    template <typename X>
+    void context::
+    set (char const* key, X const& value)
+    {
+      try
+      {
+        std::pair<map::iterator, bool> r (
+          map_.insert (map::value_type (key, value)));
+
+        if (!r.second)
+          r.first->second.value<X> () = value;
+      }
+      catch (container::any::typing const&)
+      {
+        throw typing ();
+      }
+    }
+  }
+}
-- 
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