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Re[2]: font-lock patch for automated edits
From: |
Eric M. Ludlam |
Subject: |
Re[2]: font-lock patch for automated edits |
Date: |
Sun, 31 Aug 2008 23:07:50 -0400 |
>>> Stefan Monnier <address@hidden> seems to think that:
>> I have some tests for the CEDET/Semantic incremental parsing engine.
>> This test calls 'erase-buffer', and performs edits very quickly, and
>> was causing font-lock to throw errors in my tests.
>
>Do you have backtraces for those bugs?
Hi,
After fixing the first bug, I'd bump into the next. I undid my
changes to font-lock, and attached my first stack trace.
Also see attached a very short version of what I was running. I
need to run it twice to get the error. It's actually as easy as just
typing:
M-x erase-buffer RET
in a buffer with font-locked stuff in it.
It If you want to try out the entire setup I was running, you could
get CEDET from the source-forge CVS, do a build, and then run
semantic-utest-main.
Eric
------------------------
Debugger entered--Lisp error: (args-out-of-range 88 88)
get-text-property(88 font-lock-multiline)
font-lock-extend-region-multiline()
font-lock-default-fontify-region(1 88 nil)
font-lock-fontify-region(1 88)
font-lock-after-change-function(1 1 87)
erase-buffer()
(let ((buff ...)) (switch-to-buffer buff) (setq buffer-offer-save nil)
(erase-buffer) (insert "/* Test file for C language for Unit Tests
*/\n\n#include <stdio.h>\n#include \"sutest.h\"\n\n") (set-buffer-modified-p
nil))
crash-font-lock()
call-interactively(crash-font-lock t nil)
execute-extended-command(nil)
call-interactively(execute-extended-command nil nil)
------------------------
;; Enable global-font-lock mode before using this
(defun crash-font-lock ()
"Crash font lock by fast-editing a buffer."
(interactive)
(let ((buff (find-file-noselect "/tmp/CFL.cpp")))
(switch-to-buffer buff)
(setq buffer-offer-save nil)
(erase-buffer)
(insert "/* Test file for C language for Unit Tests */
#include <stdio.h>
#include \"sutest.h\"
"
)
(set-buffer-modified-p nil)
))