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How to use CompositeParserException method of Gherkin.UnexpectedEOFException class

Best Gherkin-dotnet code snippet using Gherkin.UnexpectedEOFException.CompositeParserException

Parser.cs

Source:Parser.cs

...118            } while(!token.IsEOF);119            EndRule(context, RuleType.GherkinDocument);120            if (context.Errors.Count > 0)121            {122                throw new CompositeParserException(context.Errors.ToArray());123            }124            return GetResult(context);125        }126        private void AddError(ParserContext context, ParserException error)127        {128            context.Errors.Add(error);129            if (context.Errors.Count > 10)130                throw new CompositeParserException(context.Errors.ToArray());131        }132        private void HandleAstError(ParserContext context, Action action)133        {134            HandleExternalError(context, () => { action(); return true; });135        }136        private T HandleExternalError<T>(ParserContext context, Func<T> action, T defaultValue = default(T))137        {138            if (StopAtFirstError)139            {140                return action();141            }142            try143            {144                return action();145            }146            catch (CompositeParserException compositeParserException)147            {148                foreach (var error in compositeParserException.Errors)149                    AddError(context, error);150            }151            catch (ParserException error)152            {153                AddError(context, error);154            }155            return defaultValue;156        }157        void Build(ParserContext context, Token token)158        {159            HandleAstError(context, () => this.astBuilder.Build(token));160        }...

DeveroomGherkinParser.cs

Source:DeveroomGherkinParser.cs

...33            catch (ParserException parserException)34            {35                logger.LogVerbose($"ParserErrors: {parserException.Message}");36                gherkinDocument = GetResultOfInvalid();37                if (parserException is CompositeParserException compositeParserException)38                    parserErrors.AddRange(compositeParserException.Errors);39                else40                    parserErrors.Add(parserException);41            }42            catch (Exception e)43            {44                logger.LogException(_monitoringService, e, "Exception during Gherkin parsing");45                gherkinDocument = GetResult();46            }47            return false;48        }49        private DeveroomGherkinDocument GetResultOfInvalid()50        {51            // trying to "finish" open nodes by sending dummy <endrule> messages up to 5 levels of nesting52            for (int i = 0; i < 10; i++)53            {54                var result = GetResult();55                if (result != null)56                    return result;57                try58                {59                    AstBuilder.EndRule(RuleType.None);60                }61                catch (Exception)62                {63                }64            }65            return null;66        }67        public DeveroomGherkinDocument Parse(TextReader featureFileReader, string sourceFilePath)68        {69            var tokenScanner = (ITokenScanner)new HotfixTokenScanner(featureFileReader);70            var tokenMatcher = new TokenMatcher(DialectProvider);71            _astBuilder = new DeveroomGherkinAstBuilder(sourceFilePath, () => tokenMatcher.CurrentDialect);72            var parser = new InternalParser(_astBuilder, AstBuilder.RecordStateForLine, _monitoringService);73            var gherkinDocument = parser.Parse(tokenScanner, tokenMatcher);74            CheckSemanticErrors(gherkinDocument);75            return gherkinDocument;76        }77        class InternalParser : Parser<DeveroomGherkinDocument>78        {79            private readonly Action<int, int> _recordStateForLine;80            private readonly IMonitoringService _monitoringService;81            public InternalParser(IAstBuilder<DeveroomGherkinDocument> astBuilder, Action<int, int> recordStateForLine, IMonitoringService monitoringService)82                : base(astBuilder)83            {84                _recordStateForLine = recordStateForLine;85                _monitoringService = monitoringService;86            }87            public int NullMatchToken(int state, Token token)88            {89                return MatchToken(state, token, new ParserContext()90                {91                    Errors = new List<ParserException>(),92                    TokenMatcher = new AllFalseTokenMatcher(),93                    TokenQueue = new Queue<Token>(),94                    TokenScanner = new NullTokenScanner()95                });96            }97            protected override int MatchToken(int state, Token token, ParserContext context)98            {99                _recordStateForLine?.Invoke(token.Location.Line, state);100                try101                {102                    return base.MatchToken(state, token, context);103                }104                catch (InvalidOperationException ex)105                {106                    _monitoringService.MonitorError(ex);107                    throw;108                }109            }110        }111        public DeveroomGherkinDocument GetResult()112        {113            return _astBuilder.GetResult();114        }115        #region Semantic Errors116        protected virtual void CheckSemanticErrors(DeveroomGherkinDocument specFlowDocument)117        {118            var errors = new List<ParserException>();119            errors.AddRange(((DeveroomGherkinAstBuilder)_astBuilder).Errors);120            if (specFlowDocument?.Feature != null)121            {122                CheckForDuplicateScenarios(specFlowDocument.Feature, errors);123                CheckForDuplicateExamples(specFlowDocument.Feature, errors);124                CheckForMissingExamples(specFlowDocument.Feature, errors);125                CheckForRulesPreSpecFlow31(specFlowDocument.Feature, errors);126            }127            // collect128            if (errors.Count == 1)129                throw errors[0];130            if (errors.Count > 1)131                throw new CompositeParserException(errors.ToArray());132        }133        private void CheckForRulesPreSpecFlow31(Feature feature, List<ParserException> errors)134        {135            //TODO: Show error when Rule keyword is used in SpecFlow v3.0 or earlier136        }137        private void CheckForDuplicateScenarios(Feature feature, List<ParserException> errors)138        {139            // duplicate scenario name140            var duplicatedScenarios = feature.FlattenScenarioDefinitions().GroupBy(sd => sd.Name, sd => sd).Where(g => g.Count() > 1).ToArray();141            errors.AddRange(142                duplicatedScenarios.Select(g =>143                    new SemanticParserException(144                        $"Feature file already contains a scenario with name '{g.Key}'",145                        g.ElementAt(1).Location)));...

ParserException.cs

Source:ParserException.cs

...114        {115        }116    }117    [Serializable]118    public class CompositeParserException : ParserException119    {120        public IEnumerable<ParserException> Errors { get; private set; }121        public CompositeParserException(ParserException[] errors)122            : base(GetMessage(errors))123        {124            if (errors == null) throw new ArgumentNullException("errors");125            Errors = errors;126        }127        private static string GetMessage(ParserException[] errors)128        {129            return "Parser errors:" + Environment.NewLine + string.Join(Environment.NewLine, errors.Select(e => e.Message));130        }131        protected CompositeParserException(SerializationInfo info, StreamingContext context) : base(info, context)132        {133            Errors = (ParserException[])info.GetValue("Errors", typeof (ParserException[]));134        }135        public override void GetObjectData(SerializationInfo info, StreamingContext context)136        {137            base.GetObjectData(info, context);138            info.AddValue("Errors", Errors.ToArray());139        }140    }141}...

ParserErrorSerializationTests.cs

Source:ParserErrorSerializationTests.cs

...94            Assert.IsNull(deserializedException.StateComment);95        }9697        [Test]98        public void CompositeParserExceptionShouldBeSerializable()99        {100            var exception = new CompositeParserException(new ParserException[]101            {102                new AstBuilderException("sample message", new Location(1, 2)), new NoSuchLanguageException("sample message")103            });104105            var deserializedException = SerializeDeserialize(exception);106107            Assert.AreEqual(exception.Message, deserializedException.Message);108109            // the custom details are not serialized (yet?)110            Assert.IsNotNull(deserializedException.Errors);111            Assert.AreEqual(exception.Errors.Count(), deserializedException.Errors.Count());112            Assert.IsInstanceOf<AstBuilderException>(exception.Errors.First());113            Assert.IsInstanceOf<NoSuchLanguageException>(exception.Errors.Last());114        }
...

CompositeParserException

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Gherkin;7{8    {9        static void Main(string[] args)10        {11            {12                var parser = new Parser();13                var feature = parser.Parse("Feature: Test");14            }15            catch (UnexpectedEOFException ex)16            {17                Console.WriteLine(ex.CompositeParserException.Message);18            }19        }20    }21}22using System;23using System.Collections.Generic;24using System.Linq;25using System.Text;26using System.Threading.Tasks;27using Gherkin;28{29    {30        static void Main(string[] args)31        {32            {33                var parser = new Parser();34                var feature = parser.Parse("Feature: Test");35            }36            catch (ParserException ex)37            {38                Console.WriteLine(ex.CompositeParserException.Message);39            }40        }41    }42}43using System;44using System.Collections.Generic;45using System.Linq;46using System.Text;47using System.Threading.Tasks;48using Gherkin;49{50    {51        static void Main(string[] args)52        {53            {54                var parser = new Parser();55                var feature = parser.Parse("Feature: Test");56            }57            catch (ParserException ex)58            {59                Console.WriteLine(ex.CompositeParserException.Message);60            }61        }62    }63}64using System;65using System.Collections.Generic;66using System.Linq;67using System.Text;68using System.Threading.Tasks;69using Gherkin;70{71    {72        static void Main(string[] args)73        {74            {75                var parser = new Parser();76                var feature = parser.Parse("Feature: Test");77            }78            catch (ParserException ex)79            {80                Console.WriteLine(ex.CompositeParserException.Message);81            }82        }83    }84}85using System;86using System.Collections.Generic;

CompositeParserException

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Gherkin;7{8    {9        static void Main(string[] args)10        {11            {12                Parser parser = new Parser();13                parser.Parse("Feature: Testing", "Testing.feature");14            }15            catch (UnexpectedEOFException ex)16            {17                Console.WriteLine(ex.CompositeParserException.Message);18            }19        }20    }21}22using System;23using System.Collections.Generic;24using System.Linq;25using System.Text;26using System.Threading.Tasks;27using Gherkin;28{29    {30        static void Main(string[] args)31        {32            {33                Parser parser = new Parser();34                parser.Parse("Feature: Testing", "Testing.feature");35            }36            catch (UnexpectedEOFException ex)37            {38                Console.WriteLine(ex.CompositeParserException.Message);39                Console.WriteLine("Line Number: " + ex.CompositeParserException.Line);40                Console.WriteLine("Column Number: " + ex.CompositeParserException.Column);41            }42        }43    }44}

CompositeParserException

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Gherkin;7{8    {9        static void Main(string[] args)10        {11            UnexpectedEOFException obj = new UnexpectedEOFException();12            obj.CompositeParserException();13        }14    }15}16using System;17using System.Collections.Generic;18using System.Linq;19using System.Text;20using System.Threading.Tasks;21using Gherkin;22{23    {24        static void Main(string[] args)25        {26            UnexpectedTokenException obj = new UnexpectedTokenException();27            obj.CompositeParserException();28        }29    }30}31using System;32using System.Collections.Generic;33using System.Linq;34using System.Text;35using System.Threading.Tasks;36using Gherkin;37{38    {39        static void Main(string[] args)40        {41            ParserException obj = new ParserException();42            obj.CompositeParserException();43        }44    }45}46using System;47using System.Collections.Generic;48using System.Linq;49using System.Text;50using System.Threading.Tasks;51using Gherkin;52{53    {54        static void Main(string[] args)55        {56            AstBuilder obj = new AstBuilder();57            obj.CompositeParserException();58        }59    }60}61using System;62using System.Collections.Generic;63using System.Linq;64using System.Text;65using System.Threading.Tasks;66using Gherkin;67{68    {69        static void Main(string[] args)70        {71            Parser obj = new Parser();72            obj.CompositeParserException();73        }74    }75}76using System;77using System.Collections.Generic;78using System.Linq;79using System.Text;80using System.Threading.Tasks;81using Gherkin;

CompositeParserException

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6{7    {8        static void Main(string[] args)9        {10            {11                var parser = new Parser();12                var feature = parser.Parse("Feature: test13Given test");14            }15            catch (Gherkin.UnexpectedEOFException ex)16            {17                var compositeException = ex.CompositeParserException;18                Console.WriteLine(compositeException.Message);19            }20        }21    }22}

CompositeParserException

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Gherkin;7using System.IO;8using System.Reflection;9{10    {11        static void Main(string[] args)12        {13            {14                string filePath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location) + "\\Test.feature";15                string fileContent = File.ReadAllText(filePath);16                Gherkin.Parser parser = new Gherkin.Parser();17                parser.Parse(fileContent, filePath, 0);18            }19            catch (Gherkin.UnexpectedEOFException ex)20            {21                var compositeParserException = ex.CompositeParserException;22            }23        }24    }25}

CompositeParserException

Using AI Code Generation

1using System;2using Gherkin.Ast;3using Gherkin.Parser;4using Gherkin.Parser.Exceptions;5{6    {7        static void Main(string[] args)8        {9";10            GherkinDialectProvider provider = new GherkinDialectProvider();11            Parser<GherkinDocument> parser = new Parser<GherkinDocument>(provider);12            {13                parser.Parse(feature);14            }15            catch (CompositeParserException e)16            {17                foreach (var parserException in e.ParserExceptions)18                {19                    Console.WriteLine(parserException.Message);20                }21            }22            Console.ReadKey();23        }24    }25}

CompositeParserException

Using AI Code Generation

1using System;2using Gherkin;3{4    {5        static void Main(string[] args)6        {7Given I have a step";8            var parser = new Parser();9            parser.Parse(featureText);10        }11    }12}13using System;14using Gherkin;15{16    {17        static void Main(string[] args)18        {19Given I have a step";20            var parser = new Parser();21            parser.Parse(featureText);22        }23    }24}25using System;26using Gherkin;27{28    {29        static void Main(string[] args)30        {31Given I have a step";32            var parser = new Parser();33            parser.Parse(featureText);34        }35    }36}37using System;38using Gherkin;39{40    {41        static void Main(string[] args)42        {43Given I have a step";44            var parser = new Parser();45            parser.Parse(featureText);46        }47    }48}49using System;50using Gherkin;51{52    {53        static void Main(string[] args)54        {55Given I have a step";56            var parser = new Parser();57            parser.Parse(featureText);58        }59    }60}61using System;62using Gherkin;63{64    {65        static void Main(string

CompositeParserException

Using AI Code Generation

1using System;2using System.Collections.Generic;3using Gherkin;4using Gherkin.Ast;5{6    {7        static void Main(string[] args)8        {9            {10                var parser = new Parser();11                var feature = parser.Parse(@"Feature: test12            }13            catch (Gherkin.UnexpectedEOFException e)14            {15                foreach(var exception in e.CompositeParserException.ParserExceptions)16                {17                    Console.WriteLine(exception.Message);18                }19            }20        }21    }22}

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