parseUnit(bool)
  skipErrorTokens(bool)
  listener: beginCompilationUnit(bool)
  syntheticPreviousToken(bool)
  parseTopLevelDeclarationImpl(, Instance of 'DirectiveContext')
    parseMetadataStar()
      listener: beginMetadataStar(bool)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl()
      listener: beginTopLevelMember(bool)
      parseFields(, null, null, null, null, null, null, null, , Instance of 'SimpleType', x, DeclarationKind.TopLevel, null, false)
        listener: beginFields(DeclarationKind.TopLevel, null, null, null, null, null, null, null, )
        listener: handleIdentifier(bool, typeReference)
        listener: handleNoTypeArguments(x)
        listener: handleType(bool, null)
        ensureIdentifierPotentiallyRecovered(bool, topLevelVariableDeclaration, false)
          listener: handleIdentifier(x, topLevelVariableDeclaration)
        parseFieldInitializerOpt(x, x, null, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: handleNoFieldInitializer(;)
        listener: endTopLevelFields(null, null, null, null, null, 1, bool, ;)
  listener: endTopLevelDeclaration(bool)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(bool)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(bool)
      parseFields(;, null, null, null, null, null, null, null, ;, Instance of 'SimpleType', x, DeclarationKind.TopLevel, null, false)
        listener: beginFields(DeclarationKind.TopLevel, null, null, null, null, null, null, null, ;)
        listener: handleIdentifier(bool, typeReference)
        listener: handleNoTypeArguments(x)
        listener: handleType(bool, null)
        ensureIdentifierPotentiallyRecovered(bool, topLevelVariableDeclaration, false)
          listener: handleIdentifier(x, topLevelVariableDeclaration)
        parseFieldInitializerOpt(x, x, null, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: handleNoFieldInitializer(;)
        listener: endTopLevelFields(null, null, null, null, null, 1, bool, ;)
  listener: endTopLevelDeclaration(errors)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(errors)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(errors)
      isReservedKeyword(()
      parseTopLevelMethod(;, null, null, ;, Instance of 'NoType', null, errors, false)
        listener: beginTopLevelMethod(;, null, null)
        listener: handleNoType(;)
        ensureIdentifierPotentiallyRecovered(;, topLevelFunctionDeclaration, false)
          listener: handleIdentifier(errors, topLevelFunctionDeclaration)
        parseMethodTypeVar(errors)
          listener: handleNoTypeVariables(()
        parseGetterOrFormalParameters(errors, errors, false, MemberKind.TopLevelMethod)
          parseFormalParameters(errors, MemberKind.TopLevelMethod)
            parseFormalParametersRest((, MemberKind.TopLevelMethod)
              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
              listener: endFormalParameters(0, (, ), MemberKind.TopLevelMethod)
        parseAsyncModifierOpt())
          listener: handleAsyncModifier(null, null)
          inPlainSync()
        parseFunctionBody(), false, false)
          listener: beginBlockFunctionBody({)
          notEofOrValue(}, print)
          parseStatement({)
            parseStatementX({)
              parseExpressionStatementOrDeclarationAfterModifiers({, {, null, null, null, false)
                looksLikeLocalFunction(print)
                parseExpressionStatement({)
                  parseExpression({)
                    parsePrecedenceExpression({, 1, true)
                      parseUnaryExpression({, true)
                        parsePrimary({, expression)
                          parseSendOrFunctionLiteral({, expression)
                            looksLikeFunctionBody(;)
                            parseSend({, expression)
                              isNextIdentifier({)
                              ensureIdentifier({, expression)
                                listener: handleIdentifier(print, expression)
                              listener: handleNoTypeArguments(()
                              parseArgumentsOpt(print)
                                parseArguments(print)
                                  parseArgumentsRest(()
                                    listener: beginArguments(()
                                    parseExpression(()
                                      parsePrecedenceExpression((, 1, true)
                                        parseUnaryExpression((, true)
                                          parsePrimary((, expression)
                                            parseSendOrFunctionLiteral((, expression)
                                              parseSend((, expression)
                                                isNextIdentifier(()
                                                ensureIdentifier((, expression)
                                                  listener: handleIdentifier(x, expression)
                                                listener: handleNoTypeArguments())
                                                parseArgumentsOpt(x)
                                                  listener: handleNoArguments())
                                                listener: handleSend(x, ))
                                    listener: endArguments(1, (, ))
                              listener: handleSend(print, ;)
                  ensureSemicolon())
                  listener: handleExpressionStatement(;)
          notEofOrValue(}, print)
          parseStatement(;)
            parseStatementX(;)
              parseExpressionStatementOrDeclarationAfterModifiers(;, ;, null, null, null, false)
                looksLikeLocalFunction(print)
                parseExpressionStatement(;)
                  parseExpression(;)
                    parsePrecedenceExpression(;, 1, true)
                      parseUnaryExpression(;, true)
                        parsePrimary(;, expression)
                          parseSendOrFunctionLiteral(;, expression)
                            looksLikeFunctionBody(;)
                            parseSend(;, expression)
                              isNextIdentifier(;)
                              ensureIdentifier(;, expression)
                                listener: handleIdentifier(print, expression)
                              listener: handleNoTypeArguments(()
                              parseArgumentsOpt(print)
                                parseArguments(print)
                                  parseArgumentsRest(()
                                    listener: beginArguments(()
                                    parseExpression(()
                                      parsePrecedenceExpression((, 1, true)
                                        parseUnaryExpression((, true)
                                          parsePrimary((, expression)
                                            parseSendOrFunctionLiteral((, expression)
                                              parseSend((, expression)
                                                isNextIdentifier(()
                                                ensureIdentifier((, expression)
                                                  listener: handleIdentifier(x, expression)
                                                listener: handleNoTypeArguments(!)
                                                parseArgumentsOpt(x)
                                                  listener: handleNoArguments(!)
                                                listener: handleSend(x, !)
                                        listener: handleNonNullAssertExpression(!)
                                    listener: endArguments(1, (, ))
                              listener: handleSend(print, ;)
                  ensureSemicolon())
                  listener: handleExpressionStatement(;)
          notEofOrValue(}, print)
          parseStatement(;)
            parseStatementX(;)
              parseExpressionStatementOrDeclarationAfterModifiers(;, ;, null, null, null, false)
                looksLikeLocalFunction(print)
                parseExpressionStatement(;)
                  parseExpression(;)
                    parsePrecedenceExpression(;, 1, true)
                      parseUnaryExpression(;, true)
                        parsePrimary(;, expression)
                          parseSendOrFunctionLiteral(;, expression)
                            looksLikeFunctionBody(;)
                            parseSend(;, expression)
                              isNextIdentifier(;)
                              ensureIdentifier(;, expression)
                                listener: handleIdentifier(print, expression)
                              listener: handleNoTypeArguments(()
                              parseArgumentsOpt(print)
                                parseArguments(print)
                                  parseArgumentsRest(()
                                    listener: beginArguments(()
                                    parseExpression(()
                                      parsePrecedenceExpression((, 1, true)
                                        parseUnaryExpression((, true)
                                          parsePrecedenceExpression(!, 16, true)
                                            parseUnaryExpression(!, true)
                                              parsePrimary(!, expression)
                                                parseSendOrFunctionLiteral(!, expression)
                                                  parseSend(!, expression)
                                                    isNextIdentifier(!)
                                                    ensureIdentifier(!, expression)
                                                      listener: handleIdentifier(x, expression)
                                                    listener: handleNoTypeArguments())
                                                    parseArgumentsOpt(x)
                                                      listener: handleNoArguments())
                                                    listener: handleSend(x, ))
                                          listener: handleUnaryPrefixExpression(!)
                                    listener: endArguments(1, (, ))
                              listener: handleSend(print, ;)
                  ensureSemicolon())
                  listener: handleExpressionStatement(;)
          notEofOrValue(}, })
          listener: endBlockFunctionBody(3, {, })
        listener: endTopLevelMethod(errors, null, })
  listener: endTopLevelDeclaration(class)
  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
    parseMetadataStar(})
      listener: beginMetadataStar(class)
      listener: endMetadataStar(0)
    parseTopLevelKeywordDeclaration(}, class, null, Instance of 'DirectiveContext')
      parseClassOrNamedMixinApplication(null, null, null, class)
        listener: beginClassOrMixinOrNamedMixinApplicationPrelude(class)
        ensureIdentifier(class, classOrMixinDeclaration)
          listener: handleIdentifier(C, classOrMixinDeclaration)
        listener: handleNoTypeVariables({)
        listener: beginClassDeclaration(class, null, null, null, C)
        parseClass(C, class, class, C)
          parseClassHeaderOpt(C, class, class)
            parseClassExtendsOpt(C)
              listener: handleNoType(C)
              listener: handleClassExtends(null, 1)
            parseClassWithClauseOpt(C)
              listener: handleClassNoWithClause()
            parseClassOrMixinOrEnumImplementsOpt(C)
              listener: handleImplements(null, 0)
            listener: handleClassHeader(class, class, null)
          parseClassOrMixinOrExtensionBody(C, DeclarationKind.Class, C)
            listener: beginClassOrMixinOrExtensionBody(DeclarationKind.Class, {)
            notEofOrValue(}, C)
            parseClassOrMixinOrExtensionOrEnumMemberImpl({, DeclarationKind.Class, C)
              parseMetadataStar({)
                listener: beginMetadataStar(C)
                listener: endMetadataStar(0)
              listener: beginMember()
              isReservedKeyword(.)
              parseMethod({, null, null, null, null, null, null, {, Instance of 'NoType', null, C, DeclarationKind.Class, C, false)
                listener: beginMethod(DeclarationKind.Class, null, null, null, null, null, C)
                listener: handleNoType({)
                ensureIdentifierPotentiallyRecovered({, methodDeclaration, false)
                  listener: handleIdentifier(C, methodDeclaration)
                parseQualifiedRestOpt(C, methodDeclarationContinuation)
                  parseQualifiedRest(C, methodDeclarationContinuation)
                    ensureIdentifier(., methodDeclarationContinuation)
                      listener: handleIdentifier(c0, methodDeclarationContinuation)
                    listener: handleQualified(.)
                parseMethodTypeVar(c0)
                  listener: handleNoTypeVariables(()
                parseGetterOrFormalParameters(c0, C, false, MemberKind.NonStaticMethod)
                  parseFormalParameters(c0, MemberKind.NonStaticMethod)
                    parseFormalParametersRest((, MemberKind.NonStaticMethod)
                      listener: beginFormalParameters((, MemberKind.NonStaticMethod)
                      listener: endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
                parseInitializersOpt())
                  parseInitializers(:)
                    listener: beginInitializers(:)
                    parseInitializer(:)
                      listener: beginInitializer(super)
                      parseSuperInitializerExpression(:)
                        parseInitializerExpressionRest(:)
                          parseExpression(:)
                            parsePrecedenceExpression(:, 1, true)
                              parseUnaryExpression(:, true)
                                parsePrimary(:, expression)
                                  parseSuperExpression(:, expression)
                                    listener: handleSuperExpression(super, expression)
                                    listener: handleNoTypeArguments(()
                                    parseArguments(super)
                                      parseArgumentsRest(()
                                        listener: beginArguments(()
                                        listener: endArguments(0, (, ))
                                    listener: handleSend(super, ;)
                          listener: endInitializer(;)
                    listener: endInitializers(1, :, ;)
                parseAsyncModifierOpt())
                  listener: handleAsyncModifier(null, null)
                  inPlainSync()
                inPlainSync()
                parseFunctionBody(), false, true)
                  listener: handleEmptyFunctionBody(;)
                listener: endClassConstructor(null, C, (, :, ;)
              listener: endMember()
            notEofOrValue(}, C)
            parseClassOrMixinOrExtensionOrEnumMemberImpl(;, DeclarationKind.Class, C)
              parseMetadataStar(;)
                listener: beginMetadataStar(C)
                listener: endMetadataStar(0)
              listener: beginMember()
              isReservedKeyword(.)
              parseMethod(;, null, null, null, null, null, null, ;, Instance of 'NoType', null, C, DeclarationKind.Class, C, false)
                listener: beginMethod(DeclarationKind.Class, null, null, null, null, null, C)
                listener: handleNoType(;)
                ensureIdentifierPotentiallyRecovered(;, methodDeclaration, false)
                  listener: handleIdentifier(C, methodDeclaration)
                parseQualifiedRestOpt(C, methodDeclarationContinuation)
                  parseQualifiedRest(C, methodDeclarationContinuation)
                    ensureIdentifier(., methodDeclarationContinuation)
                      listener: handleIdentifier(c1, methodDeclarationContinuation)
                    listener: handleQualified(.)
                parseMethodTypeVar(c1)
                  listener: handleNoTypeVariables(()
                parseGetterOrFormalParameters(c1, C, false, MemberKind.NonStaticMethod)
                  parseFormalParameters(c1, MemberKind.NonStaticMethod)
                    parseFormalParametersRest((, MemberKind.NonStaticMethod)
                      listener: beginFormalParameters((, MemberKind.NonStaticMethod)
                      listener: endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
                parseInitializersOpt())
                  parseInitializers(:)
                    listener: beginInitializers(:)
                    parseInitializer(:)
                      listener: beginInitializer(super)
                      parseSuperInitializerExpression(:)
                        parseInitializerExpressionRest(:)
                          parseExpression(:)
                            parsePrecedenceExpression(:, 1, true)
                              parseUnaryExpression(:, true)
                                parsePrimary(:, expression)
                                  parseSuperExpression(:, expression)
                                    listener: handleSuperExpression(super, expression)
                                    listener: handleNoTypeArguments(()
                                    parseArguments(super)
                                      parseArgumentsRest(()
                                        listener: beginArguments(()
                                        listener: endArguments(0, (, ))
                                    listener: handleSend(super, !)
                              listener: handleNonNullAssertExpression(!)
                          listener: endInitializer(;)
                    listener: endInitializers(1, :, ;)
                parseAsyncModifierOpt(!)
                  listener: handleAsyncModifier(null, null)
                  inPlainSync()
                inPlainSync()
                parseFunctionBody(!, false, true)
                  listener: handleEmptyFunctionBody(;)
                listener: endClassConstructor(null, C, (, :, ;)
              listener: endMember()
            notEofOrValue(}, })
            listener: endClassOrMixinOrExtensionBody(DeclarationKind.Class, 2, {, })
          listener: endClassDeclaration(class, })
  listener: endTopLevelDeclaration(main)
  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
    parseMetadataStar(})
      listener: beginMetadataStar(main)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(})
      listener: beginTopLevelMember(main)
      isReservedKeyword(()
      parseTopLevelMethod(}, null, null, }, Instance of 'NoType', null, main, false)
        listener: beginTopLevelMethod(}, null, null)
        listener: handleNoType(})
        ensureIdentifierPotentiallyRecovered(}, topLevelFunctionDeclaration, false)
          listener: handleIdentifier(main, topLevelFunctionDeclaration)
        parseMethodTypeVar(main)
          listener: handleNoTypeVariables(()
        parseGetterOrFormalParameters(main, main, false, MemberKind.TopLevelMethod)
          parseFormalParameters(main, MemberKind.TopLevelMethod)
            parseFormalParametersRest((, MemberKind.TopLevelMethod)
              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
              listener: endFormalParameters(0, (, ), MemberKind.TopLevelMethod)
        parseAsyncModifierOpt())
          listener: handleAsyncModifier(null, null)
          inPlainSync()
        parseFunctionBody(), false, false)
          listener: beginBlockFunctionBody({)
          notEofOrValue(}, })
          listener: endBlockFunctionBody(0, {, })
        listener: endTopLevelMethod(main, null, })
  listener: endTopLevelDeclaration()
  reportAllErrorTokens(bool)
  listener: endCompilationUnit(5, )