Ejemplo n.º 1
0
        private int ParseMultipleRule(Node ruleNode, int currentRule, Dictionary <string, List <Node> > vars)
        {
            List <Node>          children      = ruleNode.GetChildren();
            List <List <Entry> > inputEntries  = new List <List <Entry> > ();
            List <List <Entry> > outputEntries = new List <List <Entry> > ();
            String policy;

            foreach (Node node in children[0].GetChildren())
            {
                if ((node.GetNodeType() != Node.Type.TENTRY) && (node.GetNodeType() != Node.Type.TEVENT))
                {
                    throw new CloudMakefile.ParseException("The children of TENTRIES node should be of TENTRY type.");
                }
                outputEntries.Add(NFA.ParseTreeNode(node));
            }
            foreach (Node node in children[1].GetChildren())
            {
                if ((node.GetNodeType() != Node.Type.TENTRY) && (node.GetNodeType() != Node.Type.TEVENT))
                {
                    throw new CloudMakefile.ParseException("The children of TENTRIES node should be of TENTRY type.");
                }
                inputEntries.Add(NFA.ParseTreeNode(node));
            }
            policy = ParseString(children [2]);

            return(ParseMultipleRule(inputEntries, outputEntries, policy, currentRule, vars,
                                     new Dictionary <string, NFA> ()));
        }
Ejemplo n.º 2
0
        private int ParseMultipleRule(List <List <Entry> > inputEntries, List <List <Entry> > outputEntries,
                                      string policy, int currentRule, Dictionary <string, List <Node> > mVars,
                                      Dictionary <string, NFA> vars)
        {
            if (mVars.Count == 0)
            {
                ParseSingleRule(inputEntries, outputEntries, policy, currentRule, vars);
                return(currentRule + 1);
            }

            string      varName  = mVars.First().Key;
            List <Node> nodeList = mVars [varName];
            int         nextRule = currentRule;

            foreach (Node node in nodeList)
            {
                Dictionary <string, List <Node> > tempMVars = new Dictionary <string, List <Node> > (mVars);
                Dictionary <string, NFA>          tempVars  = new Dictionary <string, NFA> (vars);
                List <Entry> entryList = NFA.ParseTreeNode(node);

                if ((entryList.Count != 1) || (entryList [0].IsVar() != false))
                {
                    throw new CloudMakefile.ParseException("Variables should return only one NFA when parsed.");
                }
                tempMVars.Remove(varName);
                tempVars [varName] = entryList [0].GetNFA();
                nextRule           = ParseMultipleRule(inputEntries, outputEntries, policy, nextRule, tempMVars, tempVars);
            }
            return(nextRule);
        }