示例#1
0
        private void CollectError(RecoveryParser rp, FlattenSequences results)
        {
            //var text = rp.ParseResult.Text;
            var expected     = new Dictionary <NSpan, HashSet <ParsedSequenceAndSubrule> >();
            var failSeq      = default(ParsedSequence);
            var failSubrule  = default(ParsedSubrule);
            var skipRecovery = false;

            foreach (var result in results)
            {
                var reverse = result.ToArray().Reverse();
                foreach (var x in reverse)
                {
                    var ins     = x.TokenChanges;
                    var seq     = x.Seq;
                    var subrule = x.Subrule;

                    if (skipRecovery)
                    {
                        if (!ins.HasChanges && seq.ParsingSequence.RuleName != "s")
                        {
                            skipRecovery = false;
                            //Debug.WriteLine(x);
                            HashSet <ParsedSequenceAndSubrule> parsedNodes;
                            var span = new NSpan(failSubrule.Begin, subrule.Begin);
                            if (!expected.TryGetValue(span, out parsedNodes))
                            {
                                parsedNodes    = new HashSet <ParsedSequenceAndSubrule>();
                                expected[span] = parsedNodes;
                            }

                            if (failSubrule.IsEmpty)
                            {
                                parsedNodes.Add(new ParsedSequenceAndSubrule(failSeq, failSubrule));
                            }
                            else
                            {
                                parsedNodes.Add(new ParsedSequenceAndSubrule(seq, subrule));
                            }
                        }
                    }
                    else
                    {
                        if (ins.HasChanges)
                        {
                            failSeq      = seq;
                            failSubrule  = subrule;
                            skipRecovery = true;
                        }
                    }
                }
            }

            var parseResult = rp.ParseResult;

            foreach (var e in expected)
            {
                parseResult.ReportError(new ExpectedSubrulesError(new Location(parseResult.OriginalSource, e.Key.StartPos, e.Key.EndPos), e.Value));
            }
        }
示例#2
0
        private FlattenSequences FlattenSequence(
            FlattenSequences prevs,
            ParseResult parseResult,
            ParsedSequence seq,
            int end,
            TokenChanges sequenceInsertedTokens,
            Dictionary <ParsedSequenceKey, SequenceTokenChanges> memiozation)
        {
            //var seqTxt = parseResult.Text.Substring(seq.StartPos, end - seq.StartPos);

            if (seq.StartPos == 8 && end == 15)
            {
                Debug.Assert(true);
            }

            SequenceTokenChanges first;
            var key = new ParsedSequenceKey(seq, end);

            if (!memiozation.TryGetValue(key, out first))
            {
                Debug.Assert(false);
            }

            var parses = first.SubrulesTokenChanges;

            if (first.TotalTokenChanges.IsFail)
            {
                return(new FlattenSequences());
            }

            if (sequenceInsertedTokens != first.TotalTokenChanges)
            {
                //Debug.Assert(false);
                return(new FlattenSequences());
            }

            var firstSubrules = seq.GetFirstSubrules(parses.Keys).ToArray();

            var total = new FlattenSequences();

            foreach (var firstSubrule in firstSubrules)
            {
                //var txt = parseResult.Text.Substring(firstSubrule.Begin, firstSubrule.End - firstSubrule.Begin);
                //var stateIndex = firstSubrule.State;
                //var state = stateIndex < 0 ? null : seq.ParsingSequence.States[stateIndex];

                var insertedTokens = parses[firstSubrule];
                if (insertedTokens.IsFail)
                {
                    continue;
                }

                var result = FlattenSubrule(prevs, parseResult, seq, parses, firstSubrule, insertedTokens, memiozation);
                total.AddRange(result);
            }

            return(total);
        }
示例#3
0
文件: Recovery.cs 项目: hwwang/Nitra
    public static void PrintPaths(ParseResult parseResult, Dictionary<ParsedSequenceAndSubrule, bool> deletedToken, FlattenSequences paths)
    {
      var results = new List<XNode> { new XText(RecoveryDebug.CurrentTestName + "\r\n" + parseResult.DebugText + "\r\n\r\n") };

      foreach (var path in paths)
        PrintPath(results, parseResult.Text, deletedToken, path);

      var template = XElement.Parse(HtmlTemplate);
      var content = template.Descendants("content").First();
      Debug.Assert(content.Parent != null);
      content.Parent.ReplaceAll(results);
      var filePath = Path.ChangeExtension(Path.GetTempFileName(), ".html");
      template.Save(filePath);
      Process.Start(filePath);
    }
示例#4
0
文件: Recovery.cs 项目: hwwang/Nitra
    private FlattenSequences FlattenSequence(
      FlattenSequences prevs,
      ParseResult parseResult,
      ParsedSequence seq,
      int end,
      TokenChanges sequenceInsertedTokens,
      Dictionary<ParsedSequenceKey, SequenceTokenChanges> memiozation)
    {
      //var seqTxt = parseResult.Text.Substring(seq.StartPos, end - seq.StartPos);

      if (seq.StartPos == 8 && end == 15)
        Debug.Assert(true);

      SequenceTokenChanges first;
      var key = new ParsedSequenceKey(seq, end);
      if (!memiozation.TryGetValue(key, out first))
        Debug.Assert(false);

      var parses = first.SubrulesTokenChanges;

      if (first.TotalTokenChanges.IsFail)
        return new FlattenSequences();

      if (sequenceInsertedTokens != first.TotalTokenChanges)
      {
        //Debug.Assert(false);
        return new FlattenSequences();
      }

      var firstSubrules = seq.GetFirstSubrules(parses.Keys).ToArray();

      var total = new FlattenSequences();

      foreach (var firstSubrule in firstSubrules)
      {
        //var txt = parseResult.Text.Substring(firstSubrule.Begin, firstSubrule.End - firstSubrule.Begin);
        //var stateIndex = firstSubrule.State;
        //var state = stateIndex < 0 ? null : seq.ParsingSequence.States[stateIndex];

        var insertedTokens = parses[firstSubrule];
        if (insertedTokens.IsFail)
          continue;

        var result = FlattenSubrule(prevs, parseResult, seq, parses, firstSubrule, insertedTokens, memiozation);
        total.AddRange(result);
      }

      return total;
    }
示例#5
0
文件: Recovery.cs 项目: hwwang/Nitra
    private FlattenSequences FlattenSubrule(FlattenSequences prevs, ParseResult parseResult, ParsedSequence seq, SubrulesTokenChanges parses, ParsedSubrule subrule, TokenChanges tokenChanges, Dictionary<ParsedSequenceKey, SequenceTokenChanges> memiozation)
    {
    Begin:

      //var txt = parseResult.Text.Substring(subrule.Begin, subrule.End - subrule.Begin);
      //var stateIndex = subrule.State;
      //var state = stateIndex < 0 ? null : seq.ParsingSequence.States[stateIndex];

      if (subrule.End == 11)
      { }

      var currentNodes = new FlattenSequences();
      //var subruledDesc = seq.GetSubruleDescription(subrule.State);
      if (subrule.IsEmpty)
      {
        //if (subruleInsertedTokens > 0)
        //  Debug.WriteLine("Inserted = " + subruleInsertedTokens + "  -  " + subruledDesc + "  Seq: " + seq);
      }
      else
      {
        var sequences = seq.GetSequencesForSubrule(subrule).ToArray();

        if (sequences.Length > 1)
        { }

        foreach (var subSequences in sequences)
        {
          //Debug.WriteLine(subruledDesc);
          var result = FlattenSequence(prevs, parseResult, subSequences, subrule.End, tokenChanges, memiozation);
          currentNodes.AddRange(result);
        }
      }

      if (currentNodes.Count == 0) // если не было сабсиквенсов, надо создать продолжения из текущего сабруля
      {
        foreach (var prev in prevs)
          currentNodes.Add(new ParsedSequenceAndSubrules.Cons(new SubruleTokenChanges(seq, subrule, tokenChanges), prev));
      }

      var nextSubrules = seq.GetNextSubrules(subrule, parses.Keys).ToArray();
      switch (nextSubrules.Length)
      {
        case 0:
          return currentNodes;
        case 1:
          {
            var nextSubrule = nextSubrules[0];
            if (nextSubrule.State == 9 && nextSubrule.Begin == 8 && nextSubrule.End == 15)
            { }

            tokenChanges = parses[nextSubrule];
            if (tokenChanges.IsFail)
              return currentNodes;
            // recursive self call...
            prevs = currentNodes;
            subrule = nextSubrule;
            goto Begin;
            return null;
          }
        default:
          {
            var resultNodes = new FlattenSequences();

            foreach (var nextSubrule in nextSubrules)
            {
              var newSubruleInsertedTokens = parses[nextSubrule];
              if (newSubruleInsertedTokens.IsFail)
                continue;

              var result = FlattenSubrule(currentNodes, parseResult, seq, parses, nextSubrule, newSubruleInsertedTokens, memiozation);
              resultNodes.AddRange(result);
            }

            return resultNodes;
          }
      }
    }
示例#6
0
文件: Recovery.cs 项目: hwwang/Nitra
    private void CollectError(RecoveryParser rp, FlattenSequences results)
    {
      //var text = rp.ParseResult.Text;
      var expected = new Dictionary<NSpan, HashSet<ParsedSequenceAndSubrule>>();
      var failSeq = default(ParsedSequence);
      var failSubrule = default(ParsedSubrule);
      var skipRecovery = false;

      foreach (var result in results)
      {
        var reverse = result.ToArray().Reverse();
        foreach (var x in reverse)
        {
          var ins = x.TokenChanges;
          var seq = x.Seq;
          var subrule = x.Subrule;

          if (skipRecovery)
          {
            if (!ins.HasChanges && seq.ParsingSequence.RuleName != "s")
            {
              skipRecovery = false;
              //Debug.WriteLine(x);
              HashSet<ParsedSequenceAndSubrule> parsedNodes;
              var span = new NSpan(failSubrule.Begin, subrule.Begin);
              if (!expected.TryGetValue(span, out parsedNodes))
              {
                parsedNodes = new HashSet<ParsedSequenceAndSubrule>();
                expected[span] = parsedNodes;
              }

              if (failSubrule.IsEmpty)
                parsedNodes.Add(new ParsedSequenceAndSubrule(failSeq, failSubrule));
              else
                parsedNodes.Add(new ParsedSequenceAndSubrule(seq, subrule));
            }
          }
          else
          {
            if (ins.HasChanges)
            {
              failSeq = seq;
              failSubrule = subrule;
              skipRecovery = true;
            }
          }
        }
      }

      var parseResult = rp.ParseResult;
      foreach (var e in expected)
        parseResult.ReportError(new ExpectedSubrulesError(new Location(parseResult.OriginalSource, e.Key.StartPos, e.Key.EndPos), e.Value));
    }
示例#7
0
        public static void PrintPaths(ParseResult parseResult, Dictionary <ParsedSequenceAndSubrule, bool> deletedToken, FlattenSequences paths)
        {
            var results = new List <XNode> {
                new XText(RecoveryDebug.CurrentTestName + "\r\n" + parseResult.DebugText + "\r\n\r\n")
            };

            foreach (var path in paths)
            {
                PrintPath(results, parseResult.Text, deletedToken, path);
            }

            var template = XElement.Parse(HtmlTemplate);
            var content  = template.Descendants("content").First();

            Debug.Assert(content.Parent != null);
            content.Parent.ReplaceAll(results);
            var filePath = Path.ChangeExtension(Path.GetTempFileName(), ".html");

            template.Save(filePath);
            Process.Start(filePath);
        }
示例#8
0
        private FlattenSequences FlattenSubrule(FlattenSequences prevs, ParseResult parseResult, ParsedSequence seq, SubrulesTokenChanges parses, ParsedSubrule subrule, TokenChanges tokenChanges, Dictionary <ParsedSequenceKey, SequenceTokenChanges> memiozation)
        {
Begin:

            //var txt = parseResult.Text.Substring(subrule.Begin, subrule.End - subrule.Begin);
            //var stateIndex = subrule.State;
            //var state = stateIndex < 0 ? null : seq.ParsingSequence.States[stateIndex];

            if (subrule.End == 11)
            {
            }

            var currentNodes = new FlattenSequences();

            //var subruledDesc = seq.GetSubruleDescription(subrule.State);
            if (subrule.IsEmpty)
            {
                //if (subruleInsertedTokens > 0)
                //  Debug.WriteLine("Inserted = " + subruleInsertedTokens + "  -  " + subruledDesc + "  Seq: " + seq);
            }
            else
            {
                var sequences = seq.GetSequencesForSubrule(subrule).ToArray();

                if (sequences.Length > 1)
                {
                }

                foreach (var subSequences in sequences)
                {
                    //Debug.WriteLine(subruledDesc);
                    var result = FlattenSequence(prevs, parseResult, subSequences, subrule.End, tokenChanges, memiozation);
                    currentNodes.AddRange(result);
                }
            }

            if (currentNodes.Count == 0) // если не было сабсиквенсов, надо создать продолжения из текущего сабруля
            {
                foreach (var prev in prevs)
                {
                    currentNodes.Add(new ParsedSequenceAndSubrules.Cons(new SubruleTokenChanges(seq, subrule, tokenChanges), prev));
                }
            }

            var nextSubrules = seq.GetNextSubrules(subrule, parses.Keys).ToArray();

            switch (nextSubrules.Length)
            {
            case 0:
                return(currentNodes);

            case 1:
            {
                var nextSubrule = nextSubrules[0];
                if (nextSubrule.State == 9 && nextSubrule.Begin == 8 && nextSubrule.End == 15)
                {
                }

                tokenChanges = parses[nextSubrule];
                if (tokenChanges.IsFail)
                {
                    return(currentNodes);
                }
                // recursive self call...
                prevs   = currentNodes;
                subrule = nextSubrule;
                goto Begin;
                return(null);
            }

            default:
            {
                var resultNodes = new FlattenSequences();

                foreach (var nextSubrule in nextSubrules)
                {
                    var newSubruleInsertedTokens = parses[nextSubrule];
                    if (newSubruleInsertedTokens.IsFail)
                    {
                        continue;
                    }

                    var result = FlattenSubrule(currentNodes, parseResult, seq, parses, nextSubrule, newSubruleInsertedTokens, memiozation);
                    resultNodes.AddRange(result);
                }

                return(resultNodes);
            }
            }
        }