COBOL英文资料COBOLforzOSLanguageReference资源-CSDN文库

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Enterprise

COBOL

for

z/OS

Langua g e

Reference

Ve r s i o n

3

Release

3

SC27-1408-02



Contents

Tables

.

.

.

.

.

.

.

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.

.

.

.

.

.

.ix

About

this

document

.

.

.

.

.

.

.

.

.xi

Accessing

softcopy

documentation

and

support

information

.

.

.

.

.

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.

.

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.

.

.

.

.xi

Accessibility

.

.

.

.

.

.

.

.

.

.

.

.

.

.xi

Using

assistive

technologies

.

.

.

.

.

.

.

.xi

Keyboard

navigation

of

the

user

interface

.

.

.xi

Accessibility

of

this

document

.

.

.

.

.

.

. xii

IBM

extensions

.

.

.

.

.

.

.

.

.

.

.

.

. xii

Obsolete

language

elements

.

.

.

.

.

.

.

.

. xii

How

to

read

the

syntax

diagrams

.

.

.

.

.

.

. xiii

DBCS

notation

.

.

.

.

.

.

.

.

.

.

.

.

.xv

Acknowledgment

.

.

.

.

.

.

.

.

.

.

.

.xv

Summary

of

changes

.

.

.

.

.

.

.

.

.

.

. xvi

Version

3

Release

3

(February

2004)

.

.

.

.

. xvi

Version

3

Release

2

(September

2002)

.

.

.

. xvi

Version

3

Release

1

(November

2001)

.

.

.

. xvi

How

to

send

your

comments

.

.

.

.

.

.

.

. xvii

Part

1.

COBOL

language

structure

.

.1

Chapter

1.

Characters

.

.

.

.

.

.

.

.

.3

Chapter

2.

Character

sets

and

code

pages

.

.

.

.

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.

.

.

.

.

.

.

.

.

.5

Character

encoding

units

.

.

.

.

.

.

.

.

.

.5

Chapter

3.

Character-strings

.

.

.

.

.

.7

COBOL

words

with

single-byte

characters

.

.

.

.7

COBOL

words

with

DBCS

characters

.

.

.

.

.

.8

User-defined

words

.

.

.

.

.

.

.

.

.

.

.

.8

System-names

.

.

.

.

.

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.

.

.

.

.

.9

Function-names

.

.

.

.

.

.

.

.

.

.

.

.

.10

Reserved

words

.

.

.

.

.

.

.

.

.

.

.

.

.10

Figurative

constants

.

.

.

.

.

.

.

.

.

.

.11

Special

registers

.

.

.

.

.

.

.

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.

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.

.13

ADDRESS

OF

.

.

.

.

.

.

.

.

.

.

.

.14

DEBUG-ITEM

.

.

.

.

.

.

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.

.14

JNIENVPTR

.

.

.

.

.

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.

.

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.

.16

LENGTH

OF

.

.

.

.

.

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.16

LINAGE-COUNTER

.

.

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.

.17

RETURN-CODE

.

.

.

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.

.

.

.

.

.

.

.18

SHIFT-OUT

and

SHIFT-IN

.

.

.

.

.

.

.

.18

SORT-CONTROL

.

.

.

.

.

.

.

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.

.19

SORT-CORE-SIZE

.

.

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.

.

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.

.19

SORT-FILE-SIZE

.

.

.

.

.

.

.

.

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.

.20

SORT-MESSAGE

.

.

.

.

.

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.20

SORT-MODE-SIZE

.

.

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.

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.20

SORT-RETURN

.

.

.

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.

.

.

.

.21

TALLY

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.21

WHEN-COMPILED

.

.

.

.

.

.

.

.

.

.21

XML-CODE

.

.

.

.

.

.

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.

.

.

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.22

XML-EVENT

.

.

.

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.

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.22

XML-NTEXT

.

.

.

.

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.

.

.

.

.24

XML-TEXT

.

.

.

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.

.

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.

.

.24

Literals

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.25

Alphanumeric

literals

.

.

.

.

.

.

.

.

.

.25

Numeric

literals

.

.

.

.

.

.

.

.

.

.

.

.29

DBCS

literals

.

.

.

.

.

.

.

.

.

.

.

.

.30

National

literals

.

.

.

.

.

.

.

.

.

.

.

.31

PICTURE

character-strings

.

.

.

.

.

.

.

.

.33

Comments

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.34

Chapter

4.

Separators

.

.

.

.

.

.

.

.35

Rules

for

separators

.

.

.

.

.

.

.

.

.

.

.35

Chapter

5.

Sections

and

paragraphs

.

.39

Sentences,

statements,

and

entries

.

.

.

.

.

.

.39

Entries

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.39

Clauses

.

.

.

.

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.

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.

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.

.40

Sentences

.

.

.

.

.

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.

.

.

.40

Statements

.

.

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.

.

.

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.

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.

.

.

.

.40

Phrases

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.40

Chapter

6.

Reference

format

.

.

.

.

.41

Sequence

number

area

.

.

.

.

.

.

.

.

.

.

.41

Indicator

area

.

.

.

.

.

.

.

.

.

.

.

.

.

.41

Area

A

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.42

Division

headers

.

.

.

.

.

.

.

.

.

.

.

.42

Section

headers

.

.

.

.

.

.

.

.

.

.

.

.42

Paragraph

headers

or

paragraph

names

.

.

.

.42

Level

indicators

(FD

and

SD)

or

level-numbers

(01

and

77)

.

.

.

.

.

.

.

.

.

.

.

.

.43

DECLARATIVES

and

END

DECLARATIVES

.

.43

End

program,

end

class,

and

end

method

markers

.

.

.

.

.

.

.

.

.

.

.

.

.

.43

Area

B

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.43

Entries,

sentences,

statements,

clauses

.

.

.

.44

Continuation

lines

.

.

.

.

.

.

.

.

.

.

.44

Area

A

or

Area

B

.

.

.

.

.

.

.

.

.

.

.

.46

Level-numbers

.

.

.

.

.

.

.

.

.

.

.

.46

Comment

lines

.

.

.

.

.

.

.

.

.

.

.

.46

Compiler-directing

statements

.

.

.

.

.

.

.46

Debugging

lines

.

.

.

.

.

.

.

.

.

.

.

.47

Pseudo-text

.

.

.

.

.

.

.

.

.

.

.

.

.47

Blank

lines

.

.

.

.

.

.

.

.

.

.

.

.

.47

Chapter

7.

Scope

of

names

.

.

.

.

.

.49

Types

of

names

.

.

.

.

.

.

.

.

.

.

.

.

.49

External

and

internal

resources

.

.

.

.

.

.

.

.51

Resolution

of

names

.

.

.

.

.

.

.

.

.

.

.52

Names

within

programs

.

.

.

.

.

.

.

.

.52

Names

within

a

class

definition

.

.

.

.

.

.53

Chapter

8.

Referencing

data

names,

copy

libraries,

and

procedure

division

names

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.55

©

Copyright

IBM

Corp.

1991,

2004

iii

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