+#include "translator.hh"
+
+#include "translator-group.hh"
+#include "lily-guile.hh"
+
+LY_DEFINE(ly_get_context_property,
+ "ly-get-context-property", 2, 0, 0,
+ (SCM context, SCM name),
+ "retrieve the value of @var{name} from context @var{context}")
+{
+ Translator *t = unsmob_translator (context);
+ Translator_group* tr= dynamic_cast<Translator_group*> (t);
+ SCM_ASSERT_TYPE(tr, context, SCM_ARG1, __FUNCTION__, "Translator group");
+ SCM_ASSERT_TYPE(gh_symbol_p (name), name, SCM_ARG2, __FUNCTION__, "symbol");
+
+ return tr->internal_get_property (name);
+
+}
+
+LY_DEFINE(ly_set_context_property,
+ "ly-set-context-property", 3, 0, 0,
+ (SCM context, SCM name, SCM val),
+ "set value of property @var{name} in context @var{context} to @var{val}.
+")
+{
+ Translator *t = unsmob_translator (context);
+ Translator_group* tr= dynamic_cast<Translator_group*> (t);
+
+ SCM_ASSERT_TYPE(tr, context, SCM_ARG1, __FUNCTION__, "Context");
+ tr->internal_set_property (name, val);
+
+ return SCM_UNSPECIFIED;
+}