add IFNOT command

git-svn-id: https://svn.stsci.edu/svn/ssb/etal/steuermann/trunk@811 d34015c8-bcbb-4646-8ac8-8ba5febf221d

1 files changed, 6 insertions, 2 deletions

diff --git a/steuermann/specfile.exy b/steuermann/specfile.exy
index f848072..de37aac 100644
--- a/steuermann/specfile.exy
+++ b/steuermann/specfile.exy
@@ -12,6 +12,7 @@ parser specfile:
     token END: "$"
     token HOSTGROUP: "HOSTGROUP"
     token IF: "IF"
+    token IFNOT: "IFNOT"
     token TABLE: "TABLE"
     token HOST : "HOST"
     token CMD: "CMD"
@@ -57,7 +58,9 @@ parser specfile:
 
     rule hostgroup_front<<hg>> :
         IF name 
-            {{ return nodes.check_condition(name, self._scanner.filename ) }}
+            {{ return     nodes.check_condition(name, self._scanner.filename ) }}
+        | IFNOT name 
+            {{ return not nodes.check_condition(name, self._scanner.filename ) }}
         | {{ return True }}
 
     rule hostgroup_back<<hg,accept_nodes>> :
@@ -67,7 +70,8 @@ parser specfile:
             )*  
 
     rule command_cond<<table_name,hostlist>> :
-        IF name COLON command {{ if nodes.check_condition(name, self._scanner.filename ) : self.data.add_command_list( table_name, hostlist, [ command ] ) }}
+        IF    name COLON command {{ if     nodes.check_condition(name, self._scanner.filename ) : self.data.add_command_list( table_name, hostlist, [ command ] ) }}
+        IFNOT name COLON command {{ if not nodes.check_condition(name, self._scanner.filename ) : self.data.add_command_list( table_name, hostlist, [ command ] ) }}
         | command {{ self.data.add_command_list( table_name, hostlist, [ command ] ) }}
 
     rule command: