How to enable syntax highlighting for CUDA .cu and .cuh files in Vim?

Question

I found that my ~/.vimrc file has syntax on but it didn't work for any CUDA file (.cu).

Not sure to how to do it.

score 18 · Accepted Answer · edited Jun 13 '16 at 14:43

18

Add these two lines to ~/.vimrc:

au BufNewFile,BufRead *.cu set ft=cuda
au BufNewFile,BufRead *.cuh set ft=cuda

And put cuda.vim in ~/.vim/syntax/

Have fun!

edited Jun 13 '16 at 14:43

Zheng Qu

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answered Oct 29 '12 at 20:23

BenjiWiebe

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score 11 · Answer 2 · edited Jun 13 '16 at 15:42

11

Sounds like you might be missing the syntax highlighting file for vim. You should check your /usr/share/vim/vim70/syntax directory for cuda.vim. That directory will vary depending on your system and version of vim.

If your version of vim does not come with cuda.vim, you can download this cuda.vim file and place it in ~/.vim/syntax/.

Update: add the following lines in your ~/.vimrc as @BenjiWiebe recommended:

au BufNewFile,BufRead *.cu set filetype=cuda
au BufNewFile,BufRead *.cuh set filetype=cuda

edited Jun 13 '16 at 15:42

Zheng Qu

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answered Oct 29 '12 at 20:25

Emo Mosley

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Thanks! But I don't sudo permission. Is there some workaround? – Hailiang Zhang Oct 29 '12 at 20:31
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do what @BenjiWiebe recommended and create a directory named '.vim' in your home directory and drop the file there. vim should search for it and use it. His answer may be best overall. – Emo Mosley Oct 29 '12 at 20:42
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Recent versions of vim indeed include this `cuda.vim` file. So no need to download it manually. – Gerhard Burger Jul 19 '13 at 10:24
namespaces are missing from this. – Chris Aug 31 '18 at 14:16

score 3 · Answer 3 · answered Oct 29 '12 at 20:22

3

how about that, does this work ?

cd /usr/share/vim/vim*/syntax
sudo cp cpp.vim cu.vim
echo "au BufNewFile,BufRead *.cu set ft=cu" >> ~/.vimrc

answered Oct 29 '12 at 20:22

pjam

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This should work, too, but it uses C++ highlighting (not "real" CUDA highlighting). – BenjiWiebe Oct 29 '12 at 20:24

pamgur · Answer 4 · 2018-05-24T15:05:54.603

It's been long since the question was originally asked, but I found myself having almost the same issue and not being able to solve it by following the previous answers.

In my case, vim would automatically highlight .cu files (I'm using vim 80, which already has cuda.vim in /usr/share/vim/vim80/syntax/), but ignore .cuh ones. To solve this, I edited /usr/share/vim/vim80/filetype.vim and added

au BufNewFile,BufRead *.cuh         setf cuda

And that was it!

How to enable syntax highlighting for CUDA .cu and .cuh files in Vim?

4 Answers4