Difference between revisions of "Free Form Definitions"
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==Free-Form Statements== | ==Free-Form Statements== | ||
− | * CTL-OPT | + | * CTL-OPT ... the free-form version of H-specs. |
− | * DCL-F | + | * DCL-F ....... the free-form version of F-specs |
− | * DCL-C | + | * DCL-C ....... the free-form version of D-spec constants |
− | * DCL-S | + | * DCL-S ....... the free-form version of D-spec stand-alone fields |
− | * DCL-DS | + | * DCL-DS .... the free-form version of D-spec data structures |
− | * END-DS | + | * END-DS .... a new statement to terminate most DCL-DS statements |
− | * DCL-PI | + | * DCL-PI ...... the free-form version of D-spec procedure interface definitions |
− | * END-PI | + | * END-PI ..... a new statement to terminate procedure interface definitions |
− | * DCL-PR | + | * DCL-PR .... the free-form version of D-spec procedure prototype definitions |
− | * END-PR | + | * END-PR .... a new statement to procedure prototype definitions |
− | * DCL-PROC | + | * DCL-PROC .. the free-form version of P-spec begin statements |
− | * END-PROC | + | * END-PROC .. the free-form version of P-spec end statements |
==Examples== | ==Examples== |
Revision as of 16:02, 31 May 2016
One of the major new features of ILE RPG, introduced in 7.1, is free form definition specifications.
Features
- Removes the column restrictions on definitions.
- Can be interspersed with standard, fixed form, definitions.
- /free and /end-free no longer required.
Requirements
- IBM i 7.1 or higher.
- 7.1 PTF 5770WDS SI51094.
- If using SQLRPGLE, 7.1 PTF Group SF99701 level 26 or higher.
Free-Form Statements
- CTL-OPT ... the free-form version of H-specs.
- DCL-F ....... the free-form version of F-specs
- DCL-C ....... the free-form version of D-spec constants
- DCL-S ....... the free-form version of D-spec stand-alone fields
- DCL-DS .... the free-form version of D-spec data structures
- END-DS .... a new statement to terminate most DCL-DS statements
- DCL-PI ...... the free-form version of D-spec procedure interface definitions
- END-PI ..... a new statement to terminate procedure interface definitions
- DCL-PR .... the free-form version of D-spec procedure prototype definitions
- END-PR .... a new statement to procedure prototype definitions
- DCL-PROC .. the free-form version of P-spec begin statements
- END-PROC .. the free-form version of P-spec end statements
Examples
<source lang="rpg">
D* fixed-form declarations D string S 50A VARYING D date S D DATFMT(*MDY) D obj S O CLASS(*JAVA:'MyClass') D ptr S * PROCPTR // free-form declarations DCL-S string VARCHAR(50); DCL-S date DATE(*MDY); DCL-S obj OBJECT(*JAVA:'MyClass'); DCL-S ptr POINTER(*PROC); // constants DCL-C max_count 200; DCL-C deleted 'D';
</source >
Links
Dawn May: Free format RPG and TR7
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