xavp can be access without key.

xavp inside xavps are _not_ inplemented. We don't need right now.

mocks/sr.lua

@@ -24,6 +24,7 @@ pvMock = {
         function t._is_xavp(id)
             local _id, indx, key
             local patterns = {
+                '%$xavp%(([%w_]+)%)$',
                 '%$xavp%(([%w_]+)=>([%w_]+)%)$',
                 '%$xavp%(([%w_^%[]+)%[(%d+)%]=>([%w_]+)%)$'
             }
@@ -109,6 +110,9 @@ pvMock = {
                 if not t.vars[result.private_id] then
                     return
                 end
+                if not result.key then
+                    return t.vars[result.private_id]
+                end
                 result.real_indx = #t.vars[result.private_id]._et - result.indx
                 if t.vars[result.private_id]._et[result.real_indx] then
                     --print(string.format("t.vars[%s]._et[%d]:%s", result.private_id, result.real_indx, table.tostring(t.vars[result.private_id]._et[result.indx+1])))
@@ -204,6 +208,10 @@ pvMock = {
                     result.indx = 0
                 end
                 if t.vars[result.private_id] then
+                    if not result.key then
+                        t.vars[result.private_id] = nil
+                        return
+                    end
                     result.real_indx = #t.vars[result.private_id]._et - result.indx
                     t.vars[result.private_id]._et[result.real_indx] = nil
                 end

tests/mocks.lua

@@ -186,6 +186,11 @@ TestSRMock = {}
         assertError(self.sr.pv.seti, "$xavp(t[6]=>hithere)", "1")
     end
 
+    function TestSRMock:test_xavp_get()
+        self.sr.pv.sets("$xavp(g=>hithere)", "value")
+        assertTrue(self.sr.pv.get, "$xavp(g)")
+    end
+
     function TestSRMock:test_avp_get_simple()
         self.sr.pv.sets("$avp(s:hithere)", "value")
         assertEquals(self.sr.pv.get("$avp(s:hithere)"), "value")