3:06 p.m.
I posted this to the XEmacs-beta mailing list a few days ago but didn't
see it in the digests, so I am posting it again. Sorry if a duplicate.
------------
On the menu, Edit-->Mark-->C Function references mark-c-function as what
it runs.
C-H k then clicking on the menu item gives this error:
Symbol's function definition is void: mark-c-function
I tried getting help with C-h k, then C-M h and it says it runs
mark-defun instead,
which is the command for marking a lisp function.
running grep I only find the text "mark-c-function" inside 2 files out
of all XEmacs source files,
both of them document files, and no references to it in the source code
itself.
grep mark-c-function /usr/src/ -r
/usr/src/xemacs-21.5.32/man/xemacs/programs.texi:＠code{mark-c-function},
which is almost the same as ＠code{mark-defun},
/usr/src/xemacs-21.5.32/info/xemacs.info-2:`mark-c-function', which is
almost the same as `mark-defun', but which
Has the mark-defun been updated so that it covers what
mark-c-function used to do and it is not needed now?
In which case the 2 files that reference it should be updated
to not reference it?,
So maybe 2 problems to fix,
1. patch menu-items.el to refer to the right function
2. fix the documentation in the two places found by grep
to say something different.
Or is there some other explanation?
Steve M.
I tried in both C mode and lisp mode and C-M-h works both places,
I just want to use the function in some lisp code I'm working on.
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6:50 a.m.
steven Mitchell writes:
I posted this to the XEmacs-beta mailing list a few days ago but
didn't
see it in the digests, so I am posting it again. Sorry if a duplicate.
Don't know what's with the digests, but it's in my folder and in the
archives:
http://lists.xemacs.org/pipermail/xemacs-beta/2012-December/023585.html
On the menu, Edit-->Mark-->C Function references
mark-c-function as what
it runs.
I have no idea how that got there. The function itself lives in
old-c-mode.el in the package prog-modes. However that library doesn't
insert it in the menus, at least that I found in a quick isearch of
the file.
grep mark-c-function /usr/src/ -r
/usr/src/xemacs-21.5.32/man/xemacs/programs.texi:＠code{mark-c-function},
which is almost the same as ＠code{mark-defun},
/usr/src/xemacs-21.5.32/info/xemacs.info-2:`mark-c-function', which is
almost the same as `mark-defun', but which
I guess these references can be removed. Patches welcome!
Steve
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2:12 p.m.
Stephen J. Turnbull writes:
> grep mark-c-function /usr/src/ -r
> /usr/src/xemacs-21.5.32/man/xemacs/programs.texi:＠code{mark-c-function},
> which is almost the same as ＠code{mark-defun},
> /usr/src/xemacs-21.5.32/info/xemacs.info-2:`mark-c-function', which is
> almost the same as `mark-defun', but which
I guess these references can be removed. Patches welcome!
It turns out that in CC Mode's C mode, the function bound to C-M-h is
`c-mark-function', which knows about structs and macros, too. So I
fixed up the description of `mark-defun', using CC Mode as an example
of the kinds of additional processing (beyond marking a sexp starting
in column 1) modes might do for the "mark defun" functionality.
# HG changeset patch
# Parent 44b0b4ea5cae688779874a40c659eaef1940567c
Improve description of `mark-defun'.
diff -r 44b0b4ea5cae man/ChangeLog
--- a/man/ChangeLog Fri Dec 28 17:23:25 2012 +0900
+++ b/man/ChangeLog Fri Dec 28 23:11:32 2012 +0900
＠＠ -1,3 +1,8 ＠＠
+2012-12-28 Stephen J. Turnbull <stephen(a)xemacs.org>
+
+ * xemacs/programs.texi (Defuns): Improve description of `mark-defun'.
+ Thanks to Steven Mitchell for the suggestion.
+
2012-12-28 Byrel Mitchell <byrel.mitchell(a)gmail.com>
* lispref/menus.texi (Menu Format):
diff -r 44b0b4ea5cae man/xemacs/programs.texi
--- a/man/xemacs/programs.texi Fri Dec 28 17:23:25 2012 +0900
+++ b/man/xemacs/programs.texi Fri Dec 28 23:11:32 2012 +0900
＠＠ -297,13 +297,18 ＠＠
The commands to move to the beginning and end of the current defun are
＠kbd{C-M-a} (＠code{beginning-of-defun}) and ＠kbd{C-M-e} (＠code{end-of-defun}).
- To operate on the current defun, use ＠kbd{C-M-h} (＠code{mark-defun})
+ To operate on the current defun, use ＠kbd{C-M-h} (＠code{mark-defun})
which puts point at the beginning and the mark at the end of the current
or next defun. This is the easiest way to prepare for moving the defun
-to a different place. In C mode, ＠kbd{C-M-h} runs the function
-＠code{mark-c-function}, which is almost the same as ＠code{mark-defun},
-but which backs up over the argument declarations, function name, and
-returned data type so that the entire C function is inside the region.
+to a different place. In Lisp modes, a ``defun'' is merely any sexp
+starting in column 1. In other modes, a defun is a syntactic unit
+defining an entity, and these modes often bind ＠kbd{C-M-h} to a
+different function. For example, in CC Mode's C mode, ＠kbd{C-M-h} runs
+the function ＠code{c-mark-function}, which is almost the same as
+＠code{mark-defun}, but which backs up over the argument declarations,
+function name, and returned data type so that the entire C function is
+inside the region. It also knows about struct definitions, macro
+definitions, and many other constructs.
＠findex compile-defun
To compile and evaluate the current defun, use ＠kbd{M-x compile-defun}.
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4:52 p.m.
Good deal.
It looks like cc-mode must be changing the keybinding of C-M-h from
mark-defun to c-mark-defun.
So the one thing left to fix about this, is that big-menubar is
inserting a menu-item pointing to a non-existent function (mark-c-function).
If striking that menu item from big-menubar is the right course of
action, here is a patch:
---
/usr/local/share/xemacs/xemacs-packages/lisp/edit-utils/big-menubar.el
2012-11-18 22:49:52.000000000 -0500
+++ /home/steve/big-menubar.el.patched 2012-12-28 11:03:48.000000000
-0500
＠＠ -149,7 +149,6 ＠＠
["Page" mark-page t]
["Balanced Expression" mark-sexp t]
["Lisp Function" mark-defun t]
- ["C Function" mark-c-function t]
["Whole Buffer" mark-whole-buffer t]))
;; Transpose.
(add-submenu
Steve M.
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