parseUnit(class)
  skipErrorTokens(class)
  listener: beginCompilationUnit(class)
  syntheticPreviousToken(class)
  parseTopLevelDeclarationImpl(, Instance of 'DirectiveContext')
    parseMetadataStar()
      listener: beginMetadataStar(class)
      listener: endMetadataStar(0)
    parseTopLevelKeywordDeclaration(, class, null, null, null, null, null, Instance of 'DirectiveContext')
      parseClassOrNamedMixinApplication(null, null, null, null, null, null, null, null, null, class)
        listener: beginClassOrMixinOrNamedMixinApplicationPrelude(class)
        ensureIdentifier(class, classOrMixinDeclaration)
          listener: handleIdentifier(C, classOrMixinDeclaration)
        listener: beginTypeVariables(<)
        listener: beginMetadataStar(T)
        listener: endMetadataStar(0)
        listener: handleIdentifier(T, typeVariableDeclaration)
        listener: beginTypeVariable(T)
        listener: handleTypeVariablesDefined(T, 1)
        listener: handleNoType(T)
        listener: endTypeVariable(>, 0, null, null)
        listener: endTypeVariables(<, >)
        listener: beginClassDeclaration(class, null, null, null, null, null, null, null, null, null, C)
        parseClass(>, class, class, C)
          parseClassHeaderOpt(>, class, class)
            parseClassExtendsOpt(>)
              listener: handleNoType(>)
              listener: handleClassExtends(null, 1)
            parseClassWithClauseOpt(>)
              listener: handleClassNoWithClause()
            parseClassOrMixinOrEnumImplementsOpt(>)
              listener: handleImplements(null, 0)
            listener: handleClassHeader(class, class, null)
          parseClassOrMixinOrExtensionBody(>, DeclarationKind.Class, C)
            listener: beginClassOrMixinOrExtensionBody(DeclarationKind.Class, {)
            notEofOrValue(}, T)
            parseClassOrMixinOrExtensionOrEnumMemberImpl({, DeclarationKind.Class, C)
              parseMetadataStar({)
                listener: beginMetadataStar(T)
                listener: endMetadataStar(0)
              listener: beginMember()
              parseFields({, null, null, null, null, null, null, null, {, Instance of 'SimpleNullableType', f, DeclarationKind.Class, C, false)
                listener: beginFields(DeclarationKind.Class, null, null, null, null, null, null, null, {)
                listener: handleIdentifier(T, typeReference)
                listener: handleNoTypeArguments(?)
                listener: handleType(T, ?)
                ensureIdentifierPotentiallyRecovered(?, fieldDeclaration, false)
                  listener: handleIdentifier(f, fieldDeclaration)
                parseFieldInitializerOpt(f, f, null, null, null, null, null, DeclarationKind.Class, C)
                  listener: handleNoFieldInitializer(;)
                listener: endClassFields(null, null, null, null, null, null, null, 1, T, ;)
              listener: endMember()
            notEofOrValue(}, })
            listener: endClassOrMixinOrExtensionBody(DeclarationKind.Class, 1, {, })
          listener: endClassDeclaration(class, })
  listener: endTopLevelDeclaration(test)
  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
    parseMetadataStar(})
      listener: beginMetadataStar(test)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(})
      listener: beginTopLevelMember(test)
      isReservedKeyword(()
      parseTopLevelMethod(}, null, null, }, Instance of 'NoType', null, test, false)
        listener: beginTopLevelMethod(}, null, null)
        listener: handleNoType(})
        ensureIdentifierPotentiallyRecovered(}, topLevelFunctionDeclaration, false)
          listener: handleIdentifier(test, topLevelFunctionDeclaration)
        parseMethodTypeVar(test)
          listener: handleNoTypeVariables(()
        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
          parseFormalParameters(test, MemberKind.TopLevelMethod)
            parseFormalParametersRest((, MemberKind.TopLevelMethod)
              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
              parseFormalParameter((, FormalParameterKind.requiredPositional, MemberKind.TopLevelMethod)
                parseMetadataStar(()
                  listener: beginMetadataStar(dynamic)
                  listener: endMetadataStar(0)
                listener: beginFormalParameter(dynamic, MemberKind.TopLevelMethod, null, null, null)
                listener: handleIdentifier(dynamic, typeReference)
                listener: handleNoTypeArguments(x)
                listener: handleType(dynamic, null)
                ensureIdentifier(dynamic, formalParameterDeclaration)
                  listener: handleIdentifier(x, formalParameterDeclaration)
                listener: handleFormalParameterWithoutValue())
                listener: endFormalParameter(null, null, null, x, null, null, FormalParameterKind.requiredPositional, MemberKind.TopLevelMethod)
              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
        parseAsyncModifierOpt())
          listener: handleAsyncModifier(null, null)
          inPlainSync()
        parseFunctionBody(), false, false)
          listener: beginBlockFunctionBody({)
          notEofOrValue(}, switch)
          parseStatement({)
            parseStatementX({)
              parseSwitchStatement({)
                listener: beginSwitchStatement(switch)
                ensureParenthesizedCondition(switch, allowCase: false)
                  parseExpressionInParenthesisRest((, allowCase: false)
                    parseExpression(()
                      looksLikeOuterPatternEquals(()
                        skipOuterPattern(()
                          skipObjectPatternRest(x)
                      parsePrecedenceExpression((, 1, true, ConstantPatternContext.none)
                        parseUnaryExpression((, true, ConstantPatternContext.none)
                          parsePrimary((, expression, ConstantPatternContext.none)
                            parseSendOrFunctionLiteral((, expression)
                              parseSend((, expression)
                                isNextIdentifier(()
                                ensureIdentifier((, expression)
                                  listener: handleIdentifier(x, expression)
                                listener: handleNoTypeArguments())
                                parseArgumentsOpt(x)
                                  listener: handleNoArguments())
                                listener: handleSend(x, ))
                    ensureCloseParen(x, ()
                    listener: handleParenthesizedCondition((, null, null)
                parseSwitchBlock())
                  ensureBlock(), null, switch statement)
                  listener: beginSwitchBlock({)
                  notEofOrValue(}, case)
                  peekPastLabels(case)
                  listener: beginCaseExpression(case)
                  parsePattern(case, PatternContext.matching, precedence: 1)
                    parsePrimaryPattern(case, PatternContext.matching)
                      listener: beginTypeArguments(<)
                      listener: handleIdentifier(int, typeReference)
                      listener: handleNoTypeArguments(>)
                      listener: handleType(int, null)
                      listener: endTypeArguments(1, <, >)
                      parseObjectPatternRest(>, PatternContext.matching)
                        ensureIdentifier((, namedArgumentReference)
                          listener: handleIdentifier(f, namedArgumentReference)
                        parsePattern(:, PatternContext.matching, precedence: 1)
                          parsePrimaryPattern(:, PatternContext.matching)
                            listener: beginConstantPattern(null)
                            parsePrecedenceExpression(:, 17, false, ConstantPatternContext.implicit)
                              parseUnaryExpression(:, false, ConstantPatternContext.implicit)
                                parsePrimary(:, expression, ConstantPatternContext.implicit)
                                  parseLiteralInt(:)
                                    listener: handleLiteralInt(1)
                            listener: endConstantPattern(null)
                        listener: handlePatternField(:)
                        listener: handleObjectPatternFields(1, (, ))
                      listener: handleObjectPattern(C, null, null)
                    listener: handleNullAssertPattern(!)
                  listener: handleSwitchCaseNoWhenClause(!)
                  ensureColon(!)
                  listener: endCaseExpression(case, null, :)
                  peekPastLabels(break)
                  parseStatementsInSwitchCase(:, break, case, 0, 1, null, null)
                    listener: beginSwitchCase(0, 1, case)
                    parseStatement(:)
                      parseStatementX(:)
                        parseBreakStatement(:)
                          isBreakAllowed()
                          ensureSemicolon(break)
                          listener: handleBreakStatement(false, break, ;)
                    peekPastLabels(})
                    listener: endSwitchCase(0, 1, null, null, 1, case, })
                  notEofOrValue(}, })
                  listener: endSwitchBlock(1, {, })
                listener: endSwitchStatement(switch, })
          notEofOrValue(}, })
          listener: endBlockFunctionBody(1, {, })
        listener: endTopLevelMethod(test, null, })
  listener: endTopLevelDeclaration()
  reportAllErrorTokens(class)
  listener: endCompilationUnit(2, )