bugPSPP - Bugs: bug #59120, Syntax lets psppire hang


bug #59120: Syntax lets psppire hang

Submitter:  Friedrich Beckmann <beckmanf>
Submitted:  Thu 17 Sep 2020 10:56:58 AM UTC
Category:  Syntax Parser Severity:  5 - Average
Status:  None Assigned to:  None
Open/Closed:  Open Release:  None
Effort:  0.00
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Tue 15 Dec 2020 09:47:18 AM UTC, comment #1: 

 This issue can be classified as either "not a bug" or as "duplicate of bug #40065".

At the end of the day, the syntax you pasted is erroneous (and it displays an error message).   However a decision was made in pspp's design many years ago, NOT to abort syntax processing at the first error.  Hence it tries to proceed; and in this case finds an infinite loop.

This infinite loop hangs both the GUI and and the TUI.  Such behaviour is perhaps not the most user intuitive.  But changing it would require some careful considerations of the possible effects on other scenarios.

John Darrington <jmd>
Group administrator
Thu 17 Sep 2020 10:56:58 AM UTC, original submission:  

The following syntax

input program.
data list list /city (A8).
begin data
end data

executed from the syntax window from psppire results in psppire hanging. Tested on master 21c00d9b16eeb60c9a 17.9.2020 on debian bullseye.

Friedrich Beckmann <beckmanf>
Group Member


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