BS-ISO-IEC-1539-2-2000.pdf
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1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS ISO/IEC 1539-2:2000 IC
2、S 35.060 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Information technology Programming languages Fortran Part 2: Varying length character strings Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 23 03:50:02 GMT+00:00 2006, Uncontrolled Copy, (c) BSI This British Standa
3、rd, having been prepared under the direction of the DISC Board, was published under the authority of the Standards Committee and comes into effect on 15 November 2000 BSI 11-2000 ISBN 0 580 36675 8 BS ISO/IEC 1539-2:2000 Amendments issued since publication Amd. No.DateComments National foreword This
4、 British Standard reproduces verbatim ISO/IEC 1539-2:2000 and implements it as the UK national standard. The UK participation in its preparation was entrusted to Technical Committee IST/5, Programming languauges, Their Environments and System Software, which has the responsibility to: aid enquirers
5、to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represe
6、nted on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled International Standards Correspondence
7、 Index, or by using the Find facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself
8、confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the ISO/IEC title page, pages ii to vi, pages 1 to 20, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was las
9、t issued. Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 23 03:50:02 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Reference number ISO/IEC 1539-2:2000(E) INTERNATIONAL STANDARD ISO/IEC 1539-2 Second edition 2000-06-01 Information technology Programming languages Fortran Part 2: Varying length cha
10、racter strings Technologies de linformation Langages de programmation Fortran Partie 2: Chanes de caractres de longueur variable Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 23 03:50:02 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ISO/IEC 1539-2:2000(E) ii? Licensed Copy: sheffieldun sheffieldu
11、n, na, Thu Nov 23 03:50:02 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ISO/IEC 1539-2:2000(E) CONTENTS 1 Scope 1 2 Normative References 2 3 Requirements 3 3.1 The Name of the Module 3 3.2 The Type 3 3.3 Extended Meanings for Intrinsic Operators 3 3.3.1 Assignment 3 3.3.2 Concatenation 4 3.3.3 Compari
12、sons 4 3.4 Extended Meanings for Generic Intrinsic Procedures 5 3.4.1 ADJUSTL (string) 5 3.4.2 ADJUSTR (string) 5 3.4.3 CHAR (string , length) 5 3.4.4 IACHAR (c) 6 3.4.5 ICHAR (c) 6 3.4.6 INDEX (string, substring , back) 6 3.4.7 LEN (string) 7 3.4.8 LEN_TRIM (string) 7 3.4.9 LGE (string_a, string_b)
13、 7 3.4.10 LGT (string_a, string_b) 7 3.4.11 LLE (string_a, string_b) 8 3.4.12 LLT (string_a, string_b) 8 3.4.13 REPEAT (string, ncopies) 9 3.4.14 SCAN (string, set , back) 9 3.4.15 TRIM (string) 9 3.4.16 VERIFY (string, set , back) 10 3.5 Additional Generic Procedure for Type Conversion 10 3.5.1 VAR
14、_STR (char) 10 3.6 Additional Generic Procedures for Input/Output 11 3.6.1 GET (string , maxlen, iostat) or GET (unit, string , maxlen, iostat) or GET (string, set , separator, maxlen, iostat) or GET (unit, string, set , separator, maxlen, iostat) 11 3.6.2 PUT (string , iostat) or PUT (unit, string
15、, iostat) 12 3.6.3 PUT_LINE (string , iostat) or PUT_LINE (unit, string , iostat) 12 3.7 Additional Generic Procedures for Substring Manipulation 12 3.7.1 EXTRACT (string , start, finish) 13 3.7.2 INSERT (string, start, substring) 13 3.7.3 REMOVE (string , start, finish) 13 3.7.4 REPLACE (string, st
16、art, substring) or REPLACE (string, start, finish, substring) or REPLACE (string, target, substring ,every, back) 14 iii Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 23 03:50:02 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ISO/IEC 1539-2:2000(E) 3.7.5 SPLIT (string, word, set , separator, back)
17、 15 Annex A (informative). Module ISO_VARYING_STRING 16 Annex B (informative). Two examples 17 B.1 Word count 17 B.2 Vocabulary list 18 iv Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 23 03:50:02 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ISO/IEC 1539-2:2000(E) ?v Foreword ISO (the Internatio
18、nal Organization for Standardization) and IEC (the International Electrotechnical Commission) form the specialized system for worldwide standardization. National bodies that are members of ISO or IEC participate in the development of International Standards through technical committees established b
19、y the respective organization to deal with particular fields of technical activity. ISO and IEC technical committees collaborate in fields of mutual interest. Other international organizations, governmental and non-governmental, in liaison with ISO and IEC, also take part in the work. International
20、Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3. In the field of information technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1. Draft International Standards adopted by the joint technical committee are circulated to nation
21、al bodies for voting. Publication as an International Standard requires approval by at least 75 % of the national bodies casting a vote. Attention is drawn to the possibility that some of the elements of this part of ISO/IEC 1539 may be the subject of patent rights. ISO and IEC shall not be held res
22、ponsible for identifying any or all such patent rights. International Standard ISO/IEC 1539-2 was prepared by Joint Technical Committee ISO/IEC JTC 1,Information technology, Subcommittee SC 22,Programming languages, their environments and system software interfaces. This second edition cancels and r
23、eplaces the first edition (ISO/IEC 1539-2:1994), which has been technically revised. The following summarises the changes made to the facilities provided by this part of ISO/IEC 1539: The assignment, concatenation, and comparison operations are extended to describe elemental semantics. CHAR is exten
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