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(}, try)
          parseStatement({)
            parseStatementX({)
              parseTryStatement({)
                listener: beginTryStatement(try)
                parseBlock(try, BlockKind(try statement))
                  ensureBlock(try, null, try statement)
                  listener: beginBlock({, BlockKind(try statement))
                  notEofOrValue(}, })
                  listener: endBlock(0, {, }, BlockKind(try statement))
                parseBlock(finally, BlockKind(finally clause))
                  ensureBlock(finally, null, finally clause)
                  listener: beginBlock({, BlockKind(finally clause))
                  notEofOrValue(}, })
                  listener: endBlock(0, {, }, BlockKind(finally clause))
                listener: handleFinallyBlock(finally)
                listener: endTryStatement(0, try, finally)
          notEofOrValue(}, })
          listener: endBlockFunctionBody(1, {, })
        listener: endTopLevelMethod(main, null, })
  listener: endTopLevelDeclaration()
  reportAllErrorTokens(main)
  listener: endCompilationUnit(1, )