标准名称：	饲料级丙酸钠
中标分类：	农业、林业 >> 畜牧 >> 畜禽饲料与添加剂
替代情况：	调整为HG 2930-1987(1997) 调整为NY 40-1987
发布日期：	1900-01-01
实施日期：	1900-01-01
首发日期：	1900-01-01
作废日期：	1900-01-01
出版日期：	1900-01-01
页数：	4页

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【英文标准名称】:Informationtechnology-Programminglanguages,theirenvironmentsandsystemsoftwareinterfaces-Guidelinesforlanguagebindings
【原文标准名称】:信息技术.编程语言,语言环境及系统软件接口.语言汇集指南
【标准号】:BSISO/IECTR10182-1993
【标准状态】:现行
【国别】:英国
【发布日期】:1994-08-15
【实施或试行日期】:1994-08-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:计算机软件;数据处理;信息交流;信息交换;信息处理;信息技术;接口(数据处理);程序设计语言汇编;程序设计;程序设计语言
【英文主题词】:Computersoftware;Dataprocessing;Informationexchange;Informationinterchange;Informationprocessing;Informationtechnology;Interfaces(dataprocessing);Languagebindings;Programming;Programminglanguages
【摘要】:Thisdocumentisbasedonexperiencegainedinthestandardizationoftwomajorareasininformationprocessing.Oneareacoversprogramminglanguages.Theotherareaiscomposedoftheservicesnecessarytoanapplicationprogramtoachieveitsgoal.Theservicesaredividedintocoherentgroups,eachreferredtoasaSYSTEMFACILITY,thatareaccessedthroughaFUNCTIONALINTERFACE.Thespecificationofasystemfacility,referredtoasaFUNCTIONALSPECIFICATION,definesacollectionofSYSTEMFUNCTIONS,eachofwhichcarriesoutsomewell-definedservice.Sinceinprinciplethereisnoreasonwhyaparticularsystemfacilityshouldnotbeusedbyaprogram,regardlessofthelanguageinwhichitiswritten,itisthepracticeofsystemfacilityspecifierstodefinean'abstract'functionalinterfacethatislanguageindependent.Inthisway,theconceptsinaparticularsystemfacilitymayberefinedbyexpertsinthatareawithoutregardforlanguagepeculiarities.Aninternallycoherentviewofaparticularsystemfacilityisdefined,relatingthesystemfunctionstoeachotherinaconsistentwayandrelatingthesystemfunctionstootherlayerswithinthesystemfacility,includingprotocolsforcommunicationwithotherobjectsinthetotalsystem.However,ifthesetwoareasarestandardizedindependently,itisnotpossibletoguaranteethatprogramsfromoneoperatingenvironmentcanbemovedtoanother,eveniftheprogramsarewritteninastandardprogramminglanguageanduseonlystandardsystemfacilities.Alanguagebindingofasystemfacilitytoaprogramminglanguageprovideslanguagesyntaxthatmapsthesystemfacility'sfunctionalinterface.Thisallowsaprogramwritteninthelanguagetoaccessthesystemfunctionsconstitutingthesystemfacilityinastandardway.Thepurposeofalanguagebindingistoachieveportabilityofaprogramthatusesparticularfacilitiesinaparticularlanguage.ExamplesofsystemfacilitiesthathavehadlanguagebindingsdevelopedforthemareGKS,NDL,andSQL(seeSection1.3,References).Itisanticipatedthatfurtherlanguagebindingdevelopmentwillberequired.Somesystemfacilitiescurrentlybeingstandardizedhavenolanguagebindingsandadditionalsystemfacilitieswillbestandardized.Thereisapossibilityofnxmlanguagebindings,wherenisthenumberoflanguagesandmthenumberofsystemfacilities.Thescopeofthisdocumentistoclassifylanguagebindingmethods,reportingonparticularinstancesindetail,andtoproducesuggestedguidelinesforfuturelanguagebindingstandards.Notethatthelanguagebindingsandtheabstractfacilityinterfacesmusthaveacompatibleruntimerepresentation,buttheabstractfacilitydoesnotnecessarilyhavetobewritteninthehostlanguage.Forexample,iftheapplicationprogramisusingaPascallanguagebindingandthecorrespondingfacilityiswritteninFORTRAN,theremustbeacompatibleruntimerepresentationinthatoperatingenvironment.Howthiscompatibilityisachievedisoutsidethescopeoftheseguidelines.Thisisgenerallyapropertyoftheoperatingenvironmentdefinedbytheimplementor,andisreviewedbrieflyinthisdocument.
【中国标准分类号】:L74
【国际标准分类号】:35_060
【页数】:47P.;A4
【正文语种】:英语