summaryrefslogtreecommitdiff
path: root/libcutl/cutl/compiler/context.txx
diff options
context:
space:
mode:
Diffstat (limited to 'libcutl/cutl/compiler/context.txx')
-rw-r--r--libcutl/cutl/compiler/context.txx88
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 ();
+ }
+ }
+ }
+}