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From: Lennart Thelander
Subject: GNU Pascal and warnings.
Date: 18 Feb 2009, 16:12:37

Hello.

For quite many functions/Procedures, I get two warnings:
warning: frame size too large for reliable stack checking
warning: try reducing the number of local variables

Say what? Reducing the number of local variables? Here's an example:

PROCEDURE TTextEditItem.HandleKey(VAR theEvent:EventRecord);
VAR
    i            : SInt16;
    pt            : Point;
    theChr        : Char;
    theKey        : SInt16;
    shift        : BOOLEAN;
    option        : BOOLEAN;
    control        : BOOLEAN;
    command        : BOOLEAN;
    lineHeight,
    ascent         : SInt16;
    theStyle     : TextStyle;

I say that's a small amount of (small) local variables, so how can there be
too many? 

And what is a "frame" and how can I reduce its size? Or better: How do I
allow for a larger frame size?

This is GNU Pascal 3.4.6u2 on Mac OS X and Xcode 2.5.

Regards

Lennart Thelander
System Developer
Lennart.Thelander@atex.com
 
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