Function to return function returning Position(0)

libwccl/CMakeLists.txt

@@ -27,6 +27,7 @@ endif(WIN32)
 
 SET(libwccl_STAT_SRC
 	exception.cpp
+	ops/action.cpp
 	ops/formatters.cpp
 	ops/functions/bool/iteration.cpp
 	ops/functions/bool/iterations/atleast.cpp

libwccl/ops/action.cpp

+#include <libwccl/ops/action.h>
+#include <libwccl/ops/functions/constant.h>
+namespace Wccl {
+
+namespace detail {
+
+boost::shared_ptr<Function<Position> > CurrentPos()
+{
+	static boost::shared_ptr<Function<Position> > current(
+			new Constant<Position>(Position(0)));
+	return current;
+}
+
+} /* end ns detail */
+} /* end ns Wccl */

libwccl/ops/action.h

 #ifndef LIBWCCL_OPS_ACTION_H
 #define LIBWCCL_OPS_ACTION_H
 
-#include <boost/shared_ptr.hpp>
-#include <boost/assert.hpp>
-#include <boost/mpl/assert.hpp>
-#include <boost/type_traits/is_base_of.hpp>
-
-#include <libwccl/ops/expression.h>
-#include <libwccl/values/value.h>
 #include <libwccl/ops/actionexeccontext.h>
+#include <libwccl/ops/function.h>
+
 
 namespace Wccl {
 
@@ -28,6 +23,10 @@ public:
 	virtual Bool execute(const ActionExecContext& context) const = 0;
 };
 
+namespace detail {
+	boost::shared_ptr<Function<Position> > CurrentPos();
+}
+
 } /* end ns Wccl */
 
 #endif // LIBWCCL_OPS_ACTION_H