parseUnit(main)
  skipErrorTokens(main)
  listener: beginCompilationUnit(main)
  syntheticPreviousToken(main)
  parseTopLevelDeclarationImpl(, Instance of 'DirectiveContext')
    parseMetadataStar()
      listener: beginMetadataStar(main)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl()
      listener: beginTopLevelMember(main)
      parseTopLevelMethod(, null, , Instance of 'NoType', null, main)
        listener: beginTopLevelMethod(, null)
        listener: handleNoType()
        ensureIdentifier(, topLevelFunctionDeclaration)
          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(}, ()
          parseStatement({)
            parseStatementX({)
              parseExpressionStatementOrDeclaration({, false)
                parseExpressionStatementOrDeclarationAfterModifiers({, {, null, null, null, false)
                  looksLikeLocalFunction(()
                  parseExpressionStatement({)
                    parseExpression({)
                      parsePrecedenceExpression({, 1, true)
                        parseUnaryExpression({, true)
                          parsePrimary({, expression)
                            parseParenthesizedExpressionOrFunctionLiteral({)
                              listener: handleNoTypeVariables(()
                              parseFunctionExpression({)
                                listener: beginFunctionExpression(()
                                parseFormalParametersRequiredOpt({, MemberKind.Local)
                                  parseFormalParametersRest((, MemberKind.Local)
                                    listener: beginFormalParameters((, MemberKind.Local)
                                    listener: endFormalParameters(0, (, ), MemberKind.Local)
                                parseAsyncOptBody(), true, false)
                                  parseAsyncModifierOpt())
                                    listener: handleAsyncModifier(null, null)
                                    inPlainSync()
                                  parseFunctionBody(), true, false)
                                    listener: beginBlockFunctionBody({)
                                    notEofOrValue(}, })
                                    listener: endBlockFunctionBody(0, {, })
                                listener: endFunctionExpression((, ;)
                    ensureSemicolon(})
                    listener: handleExpressionStatement(;)
          notEofOrValue(}, })
          listener: endBlockFunctionBody(1, {, })
        listener: endTopLevelMethod(main, null, })
  listener: endTopLevelDeclaration()
  reportAllErrorTokens(main)
  listener: endCompilationUnit(1, )