GNU bug report logs - #35144
26.1; ada-mode 6.1.0 Constraint_Error in which_func_update for file containing only a procedure

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Ludovic Brenta <ludovic <at> ludovic-brenta.org>
Subject: bug#35144: closed (close)
Date: Sun, 18 Aug 2019 16:56:02 +0000

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Your bug report

#35144: 26.1; ada-mode 6.1.0 Constraint_Error in which_func_update for file containing only a procedure

which was filed against the emacs, ada-mode package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 35144 <at> debbugs.gnu.org.

-- 
35144: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=35144
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Stephen Leake <stephen_leake <at> stephe-leake.org>
To: 35144-close <at> debbugs.gnu.org
Subject: close
Date: Sun, 18 Aug 2019 09:55:36 -0700

-- 
-- Stephe

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From: Ludovic Brenta <ludovic <at> ludovic-brenta.org>
To: bug-gnu-emacs <at> gnu.org
Subject: 26.1; ada-mode 6.1.0 Constraint_Error in which_func_update for file
 containing only a procedure
Date: Thu, 04 Apr 2019 17:15:09 +0200

X-Debbugs-CC: ada-mode-users <at> nongnu.org
Package: emacs, ada-mode
Version: 26.1
Severity: minor

This bug exists only when wisi-partial-parse-threshold is zero,
which happens when ~/.emacs contains:

(add-hook 'ada-mode-hook
          (lambda ()
            "For ada-mode 6.1, force partial parsing in all buffers."
            (if (version< "6.0" (ada-mode-version))
              (setq wisi-partial-parse-threshold 0))))

Visit a file foo.adb consisting of:

procedure Foo is
begin
end Foo;

This immediately triggers this in the *Messages* buffer:

Error running timer ‘which-func-update’: (error "Error in 
which-func-update: (error \"unhandled exception: CONSTRAINT_ERROR: 
emacs_wisi_common_parse.adb:320 index check failed\")")

-- 
Ludovic Brenta.

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