Re: VIM and Fortran Syntax Highlighting Error when Creating New File

On Wednesday, September 26, 2012 7:34:17 AM UTC-7, Ben Fritz wrote:
> On Tuesday, September 25, 2012 7:12:41 PM UTC-5, Paul Lou wrote:
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> > Hello all,
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> >
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> > First I'd like to thank the VIM team for creating one of the best and most flexible editors in the world.
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> > I just started learning VIM with Fortran, and I realized a syntax coloring problem when creating a Fortran file through
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> > vim example.f
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> > As shown in shot.png, the syntax coloring is only working partially.
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> >
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> > However, if I reopen the file, the syntax coloring will be fully working, as shown in shot2.png.
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> As you guessed, it looks like somehow the wrong filetype/syntax is being loaded. What is the output of the following, before and after reopening?
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> :verbose set filetype?
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> What command did you use to open the file? What command did you use to "reopen" the file?
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> >
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> > I tried to add
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> > au BufNewFile,BufReadPost *.f,*.for,*.fpp,*f95,*f90 setf fortran
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> >
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> > into .vimrc but it doesn't seem to work.
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> :setfiletype is designed to NOT take any action if the filetype has already been set in a chain of autocmd events. As a workaround, try "setl filetype=fortran" instead of "setf fortran". But this is a workaround. You should figure out why Vim is detecting the wrong filetype, if this is actually the problem.
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> > I am currently running Debian Wheezy, VIM 7.3.
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> > Is it because Vim shipped in Wheezy is not up to date?
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> I don't know. What version of Vim ships with Wheezy? Paste the first few lines of output from the :version command in Vim, up to the "Huge/Big/Normal/Tiny version with/without GUI" line. But any version of 7.3 ought to work fine for what you're trying to do, so I doubt very much it's a version problem.

Hello Ben,

Thanks for the reply.

Odd enough, when I "create" a file by the command

$ vim test.f

":verbose set filetype" gives

filetype=fortran
Last set from /usr/share/vim/vim73/filetype.vim

But the colorings are off just like snap1.png

The ":verbose" output is also the same if I "reopen" an already existing fortran file by "$ vim existed.f" but the colorings will be correct instead.

So I'd assume Vim chooses the right file type.

Here is the output from :version,

|VIM - Vi IMproved 7.3 (2010 Aug 15, compiled Sep 16 2012 04:12:21)
|Included patches: 1-547
|Modified by pkg-vim-maintainers@lists.alioth.debian.org
|Compiled by jamessan@debian.org

Since Vim does detect the correct file type, then what might be causing Vim to incorrectly render some of the codes (Such as "print *" is rendered correctly but not "program")? I'd assume Vim syntax files do not apply different colorings for newly created files and opening existing files right?

Thank you,
Paul.

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