Imported Upstream version 4.0.0upstream/4.0.0

1 files changed, 88 insertions, 0 deletions

diff --git a/libcutl/cutl/compiler/context.txx b/libcutl/cutl/compiler/context.txx
new file mode 100644
index 0000000..53edcda
--- /dev/null
+++ b/libcutl/cutl/compiler/context.txx
@@ -0,0 +1,88 @@
+// file      : cutl/compiler/context.txx
+// copyright : Copyright (c) 2009-2013 Code Synthesis Tools CC
+// license   : MIT; see accompanying LICENSE file
+
+namespace cutl
+{
+  namespace compiler
+  {
+    template <typename X>
+    X& context::
+    get (std::string const& key)
+    {
+      map::iterator i (map_.find (key));
+
+      if (i == map_.end ())
+        throw no_entry ();
+
+      try
+      {
+        return i->second. template value<X> ();
+      }
+      catch (container::any::typing const&)
+      {
+        throw typing ();
+      }
+    }
+
+    template <typename X>
+    X const& context::
+    get (std::string const& key) const
+    {
+      map::const_iterator i (map_.find (key));
+
+      if (i == map_.end ())
+        throw no_entry ();
+
+      try
+      {
+        return i->second. template value<X> ();
+      }
+      catch (container::any::typing const&)
+      {
+        throw typing ();
+      }
+    }
+
+    template <typename X>
+    X const& context::
+    get (std::string 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. template value<X> ();
+      }
+      catch (container::any::typing const&)
+      {
+        throw typing ();
+      }
+    }
+
+    template <typename X>
+    X& context::
+    set (std::string const& key, X const& value)
+    {
+      try
+      {
+        std::pair<map::iterator, bool> r (
+          map_.insert (map::value_type (key, value)));
+
+        X& x (r.first->second. template value<X> ());
+
+        if (!r.second)
+          x = value;
+
+        return x;
+      }
+      catch (container::any::typing const&)
+      {
+        throw typing ();
+      }
+    }
+  }
+}