CODEWITHSUNDEEP
emacsemacs24
gsgx
gsgx

Reputation: 12249

Make Emacs forward word stop at more points

One thing I hate about emacs is the default word movement. The following is an example of where I want M-f to stop (M-b should stop at the same stops):

MyFoo myVar = obj->member.my_func(int some_arg);
^ ^   ^ ^   ^ ^  ^ ^     ^^ ^^   ^^   ^   ^^  ^

I'm using Emacs 24.3.1 with Emacs Prelude. I have half of the solution with subword-mode, which properly handles camel case, and the other half with binding M-f to evil-forward-word-begin, which properly handles all of the non-camel case stops in the example above. Merging the two solutions would be ideal, but subword-mode has no effect on evil-forward-word-begin.

I've also tried modifying the syntax table and using forward-to-word instead of the default forward-word and combining that with subword mode, but 1) that plain didn't work (symbols that I added were still skipped; maybe I did it wrong?), 2) I'd have to add a ton of symbols that are already working fine with evil-forward-word-begin, and 3) It would only apply to the syntax table of one language, where I'd like this functionality globally.

Also, I'd like M-d (kill-word) and M-DEL (backword-kill-word) to also delete to the stops in the example above.

I've been trying to solve this problem for a while, and I've asked everywhere, including the emacs and evil-mode IRC channels, but I haven't been able to find a solution. Getting this type of word movement would be a huge boost to my productivity.

Upvotes: 2

Views: 767

Answers (3)

gavenkoa
gavenkoa

Reputation: 48823

Something similar:

(eval-after-load 'cc-mode
   '(loop for ch from ?A to ?Z by 1
       do (modify-syntax-entry ch "." java-mode-syntax-table)))

Upvotes: 0

jpkotta
jpkotta

Reputation: 9427

My syntax-subword mode does almost exactly what you want. 

MyFoo myVar = obj->member.my_func(int some_arg);
^ ^  ^^ ^  ^^^^  ^ ^     ^^ ^^   ^^  ^^   ^^  ^

Upvotes: 3

phils
phils

Reputation: 73274

I'd suggest defining functions to assign to the subword-forward-function and subword-backward-function variables, which check the current situation and then either call the evil function, or the default subword function.

If you're moving forwards, you can use looking-at to make the decision; backwards, use looking-back.

Upvotes: 1

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