ANSI INCITS 53-1976 Programming Language PL I.pdf

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1、ANSI INCITS 53-1976 (R1998)(formerly ANSI X3.53-1976 (R1998) Programming LanguagePL/Iadopted by theDEPARTMENTOFDEFENSEsee acceptance notice on inside of standardDOD ANSI X3.53-1976 14 October 1976 ACCEPTANCE NOTICE The above Industry Standardization Document was adopted on 14 October 1976 and is app

2、roved for voluntary use by the Departments of the Army, Navy, and Air Force The indicated industry groups have forwarded the clearances required by existing regulations. Copies of the document are stocked by DOD Single Stock Point, U S Naval Publications and Forms Center, Philadelphia, Pennsylvania,

3、 for issue to DOD activities only. Title of Document: Programming Language PLll Date of Specific Issue Adaopted: 9 August 1976 Releasing Industry Group: American National Standards Institute Custodians: Military Coordinating Activity: Army -AD Air Force - 02 Navy - OM Air Force - 02 Project Number I

4、PSC6075 IS0 This standard has been adopted as IS0 International Standard IS0 6160-1979. IS0 (the International Organi- zation for Standardization) is a worldwide federation of national standards institutes (IS0 member bodies). The work of developing International Standards is carried out through IS0

5、 technical committees. Every mem- ber body interested in a subjectforwhich a technical committee has been set up has the right to be represented on that committee. International organizations, governmental and nongovernmental, in liaison with ISO, also take part in the work. Draft International Stan

6、dards adopted by the technical committees are circulated to the member bodies for approval before their acceptance as International Standards by the IS0 Council. International Standard IS0 6160 was developed by Technical Committee lSO/TC 97, Computers and informa- tion processing, and was circulated

7、 to the member bodies in May 1978. It has been approved by the member bodies of the following countries: Belgium Hungary New Zealand Sweden Canada Italy Poland Switzerland Czechoslovakia Japan Romania United Kingdom France Mexico South Africa, Rep. of USA Germany, F. R. Netherlands Spain USSR No mem

8、ber body expressed disapproval of the document. INTERNATIONAL STANDARD (NTERNATIONAL ORGAN,ZATtON FOR STANDARDIZATIOUUE*nlHAIIHAR O“TA”H,A”HR “0 CTA(nAPTH3AUHRGANlSATlON INTERNATIONALE DE NORYALISATION Foreword IS0 (the International Organization for Standardization) is a worldwide fed- eration of n

9、ational standards institutes (IS0 member bodies). The work of developing International Standards is carried out through IS0 technical committees. Every member body interested in a subject for which a technical committee has been set up has the right to be represented on that committee. International

10、 organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. Draft International Standards adopted by the technical committees are circu- lated to the member bodies for approval before their acceptance as Interna- tional Standards by the IS0 Council. Internatio

11、nal Standard IS0 6160 was developed by Technical Committee ISO/ TC 97, Computers and information processing, and was circulated to the member bodies in May 1978. It has been approved by the member bodies of the following countries: Belgium Japan Canada Mexico Czechoslovakia Netherlands France New Ze

12、aland Germany, F.R. Poland Hungary Romania Italy South Africa, Rep. of Spain Sweden Switzerland United Kingdom USA USSR No member body expressed disapproval of the document. Programming languages - PLII The following national standard is adopted as IS0 International Standard 6160-l 979: - ANSI stand

13、ard X3.53-l 976. NOTE - Copies of the ANSI standard may be obtained through the American National Standards Institute, 1430 Broadway, New York, N Y. 10018, U.S.A. The corresponding French text will be established by the Assocation francaise de normalisation, Tour Europe, Cedex 7, 92080 Paris La Defe

14、nse, France ANSI X3.53- 1976 American National Standard Programming Language PWI Secretariat Computer and Business Equipment Manufacturers Association Approved August 9, 1976 American National Standards Institute, Inc Abstract This document defines American National Standard Programming Language PL/

15、I and specifies both the form and interpretation of computer programs written in PL/I. The standard is intended to provide a high degree of machine independence and thereby facilitate program exchange among a variety of computing systems. The document serves as an authoritative reference rather than

16、 as a tutorial exposition. The language is defined by specifying a conceptual PL/I machine which translates and interprets intended PL/I programs. The relationship between an actual implementa- tion of PLA and the conceptual machine presented in this document is also given. This reference document w

17、as developed jointly under the auspices of the American National Standards Institute and the European Computer Manufacturers Association. Indexing terms: PL/I, computer programming language, computer programming language def- inition, formal languages. AmericanNationalStandardApproval of an American

18、 National Standard requires review by ANSI that therequirements for due process, consensus, and other criteria for approval havebeen met by the standards developer.Consensus is established when, in the judgment of the ANSI Board of StandardsReview, substantial agreement has been reached by directly

19、and materiallyaffected interests. Substantial agreement means much more than a simplemajority, but not necessarily unanimity. Consensus requires that all views andobjections be considered, and that a concerted effort be made toward theirresolution.The use of American National Standards is completely

20、 voluntary; their existencedoes not in any respect preclude anyone, whether he has approved the standardsor not, from manufacturing, marketing, purchasing, or using products, processes,or procedures not conforming to the standards.The American National Standards Institute does not develop standards

21、and will inno circumstances give an interpretation of any American National Standard.Moreover, no person shall have the right or authority to issue an interpretation ofan American National Standard in the name of the American National StandardsInstitute. Requests for interpretations should be addres

22、sed to the secretariat orsponsor whose name appears on the title page of this standard.CAUTION NOTICE: This American National Standard may be revised orwithdrawn at any time. The procedures of the American National StandardsInstitute require that action be taken periodically to reaffirm, revise, or

23、withdrawthis standard. Purchasers of American National Standards may receive currentinformation on all standards by calling or writing the American National StandardsInstitute.Published byAmerican National Standards Institute11 West 42nd Street, New York, New York 10036Copyright 1976 by Information

24、Technology Industry Council (ITI)All rights reserved.No part of this publication may be reproduced in anyform, in an electronic retrieval system or otherwise,without prior written permission of ITI, 1250 Eye Street NW,Washington, DC 20005.Printed in the United States of AmericaForeword (This Forewor

25、d is not a part of American National Standard Programming Language PL/I, X3.53-1976.) In October 1963, a committee was formed by the SHARE FORTRAN Project and the Intema- tional Business Machines Corporation to extend FORTRAN, then the primary high-level language used by scientific programmers. The

26、extended language was to be suitable for commercial and systems programs as well and was to take into account the architecture of modern computers. The committee soon determined that the language would have to differ from FORTRAN, and their report, presented in April 1964, was entitled “Specificatio

27、ns for the New Programming Language.” The New Programming Language was widely discussed. Revised descriptions were issued, and in 1965 it was renamed PL/I (for programming language one). Versions were implemented on the computers of at least two manufacturers by late 1966. By April 1966, Technical C

28、ommittee 10 (TC 10) had been set up by the European Computer Manufacturers Association (ECMA) and an ad hoc group by American National Standards Com- mittee X3 to investigate the development of PL/I standards. TC 10 embarked immediately on standardization but the Standards Institute group considered

29、 first whether PL/I was a suitable candidate. Early in 1969 Technical Committee X351 was formed by American National Stan- dards Committee X3 to carry out the work in conjunction with TC 10. The two technical committees, X3Jl and TC 10, formed the joint PL/I standardization project. Building on the

30、work begun by TC 10, nearly 3500 proposals for language or textual change were processed in developing a joint draft standard for PL/I. The joint working document under- went thirteen complete revisions. During this time, the definition evolved from an imprecise English description to a precise spec

31、ification in a semiformal metalanguage using a stylized English. The Joint Project has enjoyed excellent liaison with potential users and with other standards organizations such as International Organization for Standardization Technical Committee 97, Subcommittee 5 (ISO/TC 97/SC 5) and PL/I working

32、 groups in Austria, France, Germany, the Netherlands, Japan, and the United Kingdom. Suggestions for improvement of this standard will be welcome. They should be sent to the American National Standards Institute, 1430 Broadway, New York, N.Y. 10018. This standard was processed and approved for submi

33、ttal to ANSI by American National Stan- dards Committee on Computers and Information Processing, X3. Committee approval of the standard does not necessarily imply that all committee members voted for its approval. At the time it approved this standard, the X3 Committee had the following members: J.

34、F. Auwaerter, Chairman R. M. Brown, Vice-Chairman W. F. Hanrahan, Secretary Organization Represented Name of Representative Addressograph Multigraph Corporation . . . . . . . . . . . . . . . . . . . . . . . . . . A. C. Brown D. Anderson (Ah) Air Transport Association . . . . . . . . . . . . . . . .

35、. . . . . . . . . . . . . . . . . . F. C. White C. Hart (Alt) American Library Association . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J. R. Rizzolo J. C. Kountz (Ah) M. S. Malinconico (Alt) American Nuclear Society . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

36、. . D. R. Vondy M. K. Butler (Alt) American Society for Information Science. . , . . , . . . . . . . . . . . . . . . . . . . M. C. Kepplinger Association for Computing Machinery . . . . . . . . . . . . . . . . . . . . . . . . . . . P. Skelly J. A. N. Lee (Ah) H. E. Thiess (Ah) Association for Educat

37、ional Data Systems. . . . . . . . . . . . . . . . . . . . . . . . . A. K. Swanson Organization Represented Name of Representative Association of American Railroads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R. A. Petrash Association of Computer Programmers and Analysts . . . . . . . .

38、 . . . . . . . . . . . L. A. Ruh M. A. Morris, Jr (Alt) Association of Data Processing Service Organizations. . . . . . . . . . . . . . . . . . . J. B. Christiansen Burroughs Corporation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E. Lohse J. S. Foley (Alt) J. F. Kalbach

39、(Alt) California Computer Products, Inc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R. C. Derby Computer Industry Association . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N. J. Ream A. G. W. Biddle (Alt) Control Data Corporation . . . . . . . . . . . . . . . . . . . .

40、. . . . . . . . . . . . . . C. E. Cooper G. I. Williams (Alt) Datapoint Corporation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V. D. Poor H. W. Swanson (Alt) Data Processing Management Association . . . . . . . . . . . . . . . . . . . . . . . . . A. E. Dubnow D. W. Sanford

41、 (Alt) . Digital Equipment Corporation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. White A. R. Kent (Alt) Edison Electric Institute . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S. P. Shrivastava J. i. Weiser (Alt) General Services Administration. . . . . .

42、 . . . . . . . . . . . . . . . . . . . . . . . . . D. L. Shoemaker M. L. Burris (Alt) GUIDE International . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T. E. Wiese B. R. Nelson (Alt) D. Stanford (Alt) Honevwell Information Svstems. Inc . . . . . . . . . . . . . . . . . .

43、. . . _ . . . . . . T. J. McNamara E. H. Clamons (Alt) Institute of Electrical and Electronics Engineers, Communications Society . . . . . . (Representation Vacant) Institute of Electrical and Electronics Engineers, Computer Society . . . . . . . . . . R. L. Curtis T. Feng (Ah) International Busines

44、s Machines Corporation . . . . L. Robinson W. F. McClelland (Alt) ITEL Corporation. . . . . . . . . . . . . . . . . . . . . R. W. Whitcomb J. D. Bock (Alt) Joint Users Group. . . . . . . . . . . . . . . . . . . . T. E. Wiese L. Rodgers (Alt) Life Office Management Association . . . . . . . . . R. Ri

45、cketts J. F. Foley (Alt) Litton Industries . . . . . . . . . . . . . . . . . . . . I. Danowitz National Association of State Information Systems. G. H. Roehm J. L. Lewis (Alt) G. I. Theis (Alt) National Bureau of Standards H. S. White, Jr R. E. Rountree (Alt) National Communications System . M. L. C

46、ain G. W. White (Alt) National Machine Tool Builders Association . 0. A. Rodriques NCR Corporation . R. J. Mindlin A. R. Daniels (Alt) T. W. Kern (Alt) Olivetti Corporation of America. E. J. Almquist Printing Industries of America N. Scharpf E. Masten (Alt) Recognition Equipment, Inc H. F. Schantz W

47、. E. Viering (Alt) Sanders Associates, Inc A. L. Goldstein T. H. Buchert (Alt) Scientific Apparatus Makers Association A. Savitsky J. E. French (Alt) SHAREInc T.B.Steel,Jr E. Brubaker (Alt) Society of Certified Data Processors T. M. Kurihara A. E. Dubnow (Alt) . UNIVAC, Division of Sperry Rand Corpo

48、ration. . . . . . . . . . . . . . . . . . . . . . M. W. Bass C. D. Card (Alt) Telephone C.mun . _ _ _ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ._ -_-= . . . . V. N. Vaughan, Jr S. M. Garland (Alt) J. C. Nelson (Al0 3MCompany . . . . . . . . . . . . . . . . . . . . . . . . . . . .

49、. . . . . . . . . . . . . R. C. Smith Organization Represented Name of Representative U.S. Department of Defense . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . W. L. McGreer W. B. Rinehuls (Alt) W. B. Robertson (Ak) . . . . . . . . . . W. R. McPherson, Jr M. A. Evans (Alt) . . . . . . . . . . S. W. White M. R. Speers (Alt) . . . . . . . . . . J. L. Wheeler A. R. Machell (Ah) U.S. Department of Health, Education and Welfare. VIM (CDC 6000 Users Group). Xerox Corporation . Technical Committees X3J1 and TC 10 had the following members at the time they forwarded this standard