I am using GDB with emacs and sometimes use GDB with DDD.
Starting version 22 (???) Emacs provides a tool-bar-mode, where you can do
the most important commands like run, next, step, up/down of stack frames in the emacs UI.
As such , I have moved away from DDD, since anyways I run most commands through command line and the sometime through the limited UI given in the tool-bar-mode.
However, the ability to hover your mouse over a variable and make the value to pop-up still seems to be missing. Does anyone know about some mode in emacs or some .el file that would allow Emacs to do the same.
This kinda goes against emacs not being a gui-ide. I can still use watchpoints/local variable buffer; but I really would like the ability to hover my mouse over some variable and see the value. Any help would be much appreciated.
gud-tooltip-mode is supposed to give you just that, I think.
Related
It has been like one year or so since I started to learn Emacs, and I do like its power and flexibility as a general text editor. When I had tried its Auctex mode for LaTeX/TeX, I knew I will never go back to read which TeX editor I should use. When I had tried its Pyhon mode, I knew I will never be bothered to choose a Python editor/IDE. Well, the same feeling for the VHDL mode of Emacs.
I do not intend to implement Emacs as a whole FPGA design solution (although I tried that). Instead, I prefer to use Emacs just as an external editor (Xilinx ISE in my case) and follow the design sequence according to the ventor's specific IDE. So according to this Editor Options, I set the editor options in my ISE {C:\Program Files (x86)\emacs\bin\emacsclient.exe} +$2 $1. However if I use runemacs.exe as suggested by Xilinx, everytime I clicked a file in ISE a new Emacs will be started. With the emacsclient.exe it helps a bit.
When I clicked a file in ISE now, its corresponding buffer will be opened in Emacs. But the buffer remains invisible and I have to C-x b to it by my self.
Also if I clicked the error information in ISE's console, the file containing the error will be opened in the background of Emacs with the cursor in the error position.
While it is not a big deal if I compare the benefits and drawbacks brought by Emacs VHDL mode, I do like Emacs can change the file I opened in ISE to the current buffer. So the question is how to set Emacs or Xilinx ISE to change Emacs's current buffer to the one I opened or clicked in ISE?
I suppose it should be some configuration related to Emacs rather than settings in ISE (obvious there is not too much choice in ISE's options). It maybe a simple question but it's beyond my current knowledge of Emacs configuration. I really appreciate if someone here could help me on this issue. Thank you guys in advance:)
P.S. Sorry for my poor English expression. Hopefully you can understand my quesition.
With some configuration it's possible to tell Emacs to switch to the related buffer. However, you might want to consider opening a new window (frame in Emacs term) when you call the editor in ISE.
The command line parameter -c tells Emacs client to open a new frame
{C:\Program Files (x86)\emacs\bin\emacsclient.exe} -c +$2 $1
Frequently when debugging backtraces pop up in Emacs, the minibuffer stops working properly. Specifically, anything I try typing in it 'types backward'. See the following screenshot (I was trying to type 'haskell' in the minibuffer):
When I quit out of the debug pane, the minibuffer starts typing normally again.
What's causing this? Any suggestions on how I can make it stop?
As nmichaels says, this is possibly related to the bidi-display-reordering setting (which is true by default, see: https://www.gnu.org/software/emacs/manual/html_node/emacs/Bidirectional-Editing.html
Could it be that the abbrev-insert or any other part of your code inserts one of the Unicode characters that change the direction of your text?
The root cause of this is that something makes it so that after inserting a character, Emacs moves point back to before that character. Why? I'm not completely sure, but I have a hunch:
Emacs is very smart, so it probably noticed you're coding in a pure language and figures you probably don't want to change "point" with those nasty side effects, so it resets it back to its initial value for you.
When calling ediff, run-python and some other commands, emacs will open a new frame, but I want emacs to open new window instead, is that possible?
Dunno why someone voted you down. Perhaps s?he thought you should have looked first in the Ediff manual (which I too recommend).
a. Command ediff-toggle-multiframe toggles between using multiple frames and a single frame (multiple windows).
b. The Ediff manual says also: "See ediff-window-setup-function for details on how to make
either of these modes the default one."
You will need to check whether Python mode similarly provides options or commands to control the window/frame behavior.
If Emacs is always opening a new frame for everything, then make sure you do not have a non-nil value for option pop-up-frames.
How do I customize which window GUD will use when i issue commands - 'up', 'down', etc ? It seems to use an arbitrary window, sometimes even the window with gdb in it - I want to be able to specify a specific window to be used.
Have you considered borrowing the key bindings mentioned in the following question?
Emacs, switch to previous window
This question implies that GUD steps on some things if you don't add a parameter. Maybe your command bindings are being affected similiarly.
Using gdb in Emacs 23
I asked a buddy of mine about this issue and here is what he said.
Well, we used xemacs and so it's not exactly apples to apples here. I
do have gnu-emacs installed on cygwin and I can't replicate his
problem. I think he definitely needs to list a version # for emacs
and the version # for all his installed packages.
When you press up/down it calls 'previous-line' and 'next-line'
respectively which both move the cursor in the default buffer. The
only thing I can think is that he has something running that switches
buffers (lisp 'set-buffer') temporarily and maybe doesn't set it back
or errors b/f restoring the buffer? Better to use
'with-current-buffer' (or one of the other with-* forms) that saves
the current state of the ui runs your lisp code and restores the ui
state.
I've been using a copy of emacs (in a Debian VM I ssh to with putty) at work for a couple of months now, and up until now everything has been working brilliantly... but this morning I'm trying to edit a file in shell-script-mode, and am seeing some weird behavior with text around the cursor.
Basically, when I type the following ( [ ] represents my cursor):
export DATABASE[]
After I've typed the first few characters of the variable name the export statement disappears and the variable name aligns to the left margin, and all I end up seeing is (with the cursor out in the wilderness):
DATABASE []
If I then hit CTRL-L, the screen refreshes, and I see the text as it should be displayed... until I start typing, and then the buffer start acting strangly again (characters disappearing, moving, cursor ending up in the wrong place, etc)
I've not, to my knowledge, added anything to my .emacs file since this last worked as I expect it to, so I'm at a loss as to what could be happening here. It doesn't seem specific to sh-mode either - I've tested a few other file types and observed similar strange behavior. Are there any emacs afficianados out there who might be able to point me in the right direction to figure out what's wrong here?
Thanks in advance
I'm not sure what to suggest, but this sounds awfully like an issue with the terminal: I suspect that Emacs redraws the current line whenever it changes and I guess it tries to do so incrementally. If something's got out of whack with your terminal, then it seems quite plausible that the current word would get written at the start of the line (all Emacs sent) and your cursor would get abandoned "out in the wilderness" :-)
Obviously, this is a new change. Since it doesn't sound like the sort of issue that would be caused by Elisp configurations in your .emacs, you should check whether you've recently upgraded one of
PuTTY
Emacs version
SSH version (unlikely...)
Then maybe the relevant tool will have something in the changelog (which maybe you can disable via a config?)
One thing you could check: you say this isn't just SH-mode. Is it "any mode with syntax highlighting"? Maybe Emacs just sends over the wire the text with the current colour?
I had a similar problem of disappearing text using PuTTY / Emacs / Remote AWS Ubuntu when running ABCL LISP in a shell window.
The solution was: I had changed my foreground and background font colors (essentially reversed) in PuTTY but had neglected to change the bold fonts, so they were disappearing into the background.