Antlr3.Tool.ErrorManager.GetErrorState C# (CSharp) Method

GetErrorState() public static method

public static GetErrorState ( ) : ErrorState
return ErrorState
        public static ErrorState GetErrorState()
        {
            ErrorState ec = _errorState;
            if ( ec == null )
            {
                ec = new ErrorState();
                _errorState = ec;
            }

            return ec;
        }

Usage Example

Exemplo n.º 1
0
        public static ReportData GetReportData(Grammar g)
        {
            ReportData data = new ReportData();

            data.version = Version;
            data.gname   = g.name;

            data.gtype = g.GrammarTypeString;

            data.language = (string)g.GetOption("language");
            data.output   = (string)g.GetOption("output");
            if (data.output == null)
            {
                data.output = "none";
            }

            string k = (string)g.GetOption("k");

            if (k == null)
            {
                k = "none";
            }
            data.grammarLevelk = k;

            string backtrack = (string)g.GetOption("backtrack");

            if (backtrack == null)
            {
                backtrack = "false";
            }
            data.grammarLevelBacktrack = backtrack;

            int totalNonSynPredProductions = 0;
            int totalNonSynPredRules       = 0;
            ICollection <Rule> rules       = g.Rules;

            foreach (Rule r in rules)
            {
                if (!r.Name.StartsWith(Grammar.SynpredRulePrefix, StringComparison.OrdinalIgnoreCase))
                {
                    totalNonSynPredProductions += r.NumberOfAlts;
                    totalNonSynPredRules++;
                }
            }

            data.numRules            = totalNonSynPredRules;
            data.numOuterProductions = totalNonSynPredProductions;

            int numACyclicDecisions =
                g.NumberOfDecisions - g.GetNumberOfCyclicDecisions();
            List <int> depths = new List <int>();

            int[] acyclicDFAStates   = new int[numACyclicDecisions];
            int[] cyclicDFAStates    = new int[g.GetNumberOfCyclicDecisions()];
            int   acyclicIndex       = 0;
            int   cyclicIndex        = 0;
            int   numLL1             = 0;
            int   blocksWithSynPreds = 0;
            int   dfaWithSynPred     = 0;
            int   numDecisions       = 0;
            int   numCyclicDecisions = 0;

            for (int i = 1; i <= g.NumberOfDecisions; i++)
            {
                Grammar.Decision d = g.GetDecision(i);
                if (d.dfa == null)
                {
                    //System.out.println("dec "+d.decision+" has no AST");
                    continue;
                }
                Rule r = d.dfa.NFADecisionStartState.enclosingRule;
                if (r.Name.StartsWith(Grammar.SynpredRulePrefix, StringComparison.OrdinalIgnoreCase))
                {
                    //System.out.println("dec "+d.decision+" is a synpred");
                    continue;
                }

                numDecisions++;
                if (BlockHasSynPred(d.blockAST))
                {
                    blocksWithSynPreds++;
                }
                //if (g.decisionsWhoseDFAsUsesSynPreds.contains(d.dfa))
                //    dfaWithSynPred++;
                if (d.dfa.HasSynPred)
                {
                    dfaWithSynPred++;
                }
                //			NFAState decisionStartState = g.getDecisionNFAStartState(d.decision);
                //			int nalts = g.getNumberOfAltsForDecisionNFA(decisionStartState);
                //			for (int alt = 1; alt <= nalts; alt++) {
                //				int walkAlt =
                //					decisionStartState.translateDisplayAltToWalkAlt(alt);
                //				NFAState altLeftEdge = g.getNFAStateForAltOfDecision(decisionStartState, walkAlt);
                //			}
                //			int nalts = g.getNumberOfAltsForDecisionNFA(d.dfa.decisionNFAStartState);
                //			for (int a=1; a<nalts; a++) {
                //				NFAState altStart =
                //					g.getNFAStateForAltOfDecision(d.dfa.decisionNFAStartState, a);
                //			}
                if (!d.dfa.IsCyclic)
                {
                    if (d.dfa.IsClassicDFA)
                    {
                        int maxk = d.dfa.MaxLookaheadDepth;
                        //System.out.println("decision "+d.dfa.decisionNumber+" k="+maxk);
                        if (maxk == 1)
                        {
                            numLL1++;
                        }
                        depths.Add(maxk);
                    }
                    else
                    {
                        acyclicDFAStates[acyclicIndex] = d.dfa.NumberOfStates;
                        acyclicIndex++;
                    }
                }
                else
                {
                    //System.out.println("CYCLIC decision "+d.dfa.decisionNumber);
                    numCyclicDecisions++;
                    cyclicDFAStates[cyclicIndex] = d.dfa.NumberOfStates;
                    cyclicIndex++;
                }
            }

            data.numLL1 = numLL1;
            data.numberOfFixedKDecisions = depths.Count;
            data.mink = depths.DefaultIfEmpty(int.MaxValue).Min();
            data.maxk = depths.DefaultIfEmpty(int.MinValue).Max();
            data.avgk = depths.DefaultIfEmpty(0).Average();

            data.numberOfDecisionsInRealRules = numDecisions;
            data.numberOfDecisions            = g.NumberOfDecisions;
            data.numberOfCyclicDecisions      = numCyclicDecisions;

            //		Map synpreds = g.getSyntacticPredicates();
            //		int num_synpreds = synpreds!=null ? synpreds.Count : 0;
            //		data.num_synpreds = num_synpreds;
            data.blocksWithSynPreds             = blocksWithSynPreds;
            data.decisionsWhoseDFAsUsesSynPreds = dfaWithSynPred;

            //
            //		data. = Stats.stddev(depths);
            //
            //		data. = Stats.min(acyclicDFAStates);
            //
            //		data. = Stats.max(acyclicDFAStates);
            //
            //		data. = Stats.avg(acyclicDFAStates);
            //
            //		data. = Stats.stddev(acyclicDFAStates);
            //
            //		data. = Stats.sum(acyclicDFAStates);
            //
            //		data. = Stats.min(cyclicDFAStates);
            //
            //		data. = Stats.max(cyclicDFAStates);
            //
            //		data. = Stats.avg(cyclicDFAStates);
            //
            //		data. = Stats.stddev(cyclicDFAStates);
            //
            //		data. = Stats.sum(cyclicDFAStates);

            data.numTokens = g.TokenTypes.Length;

            data.DFACreationWallClockTimeInMS = g.DFACreationWallClockTimeInMS;

            // includes true ones and preds in synpreds I think; strip out.
            data.numberOfSemanticPredicates = g.numberOfSemanticPredicates;

            data.numberOfManualLookaheadOptions = g.numberOfManualLookaheadOptions;

            data.numNonLLStarDecisions        = g.numNonLLStar;
            data.numNondeterministicDecisions = g.setOfNondeterministicDecisionNumbers.Count;
            data.numNondeterministicDecisionNumbersResolvedWithPredicates =
                g.setOfNondeterministicDecisionNumbersResolvedWithPredicates.Count;

            data.errors   = ErrorManager.GetErrorState().errors;
            data.warnings = ErrorManager.GetErrorState().warnings;
            data.infos    = ErrorManager.GetErrorState().infos;

            data.blocksWithSemPreds = g.blocksWithSemPreds.Count;

            data.decisionsWhoseDFAsUsesSemPreds = g.decisionsWhoseDFAsUsesSemPreds.Count;

            return(data);
        }