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Status Submitted
Workspace IBM i
Categories Languages - RPG
Created by Guest
Created on Oct 31, 2025

RELATED IDEAS

Keyword / Compiler Option to warn if a procedure uses global variable

New Control Spec Keyword / Compiler Option to warn if a calculation in procedure uses a global variable

Keyword: PROCGLBVAR with options *ALLOW *WARN *ERROR

*allow - no compiler message if a calculation in a procedure references a global variable (the current behavior)

*warn *error - type of compiler message to issue if a calculation in a procedure references a global variable

PROCGLBVAR(*ERROR) would prevent unintended side-effects due to executing a procedure. This enables a programmer to write procedures in a functional style, accepting parms as input only and returning a value, improving program correctness.

This wouldn't change the generated code, but would be a pre-compiler check.

Idea priority Low

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