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Diffstat (limited to 'runtime/ftplugin/fortran.vim')
| -rw-r--r-- | runtime/ftplugin/fortran.vim | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/runtime/ftplugin/fortran.vim b/runtime/ftplugin/fortran.vim new file mode 100644 index 0000000..5d42409 --- /dev/null +++ b/runtime/ftplugin/fortran.vim @@ -0,0 +1,132 @@ +" Vim settings file +" Language: Fortran 2008 (and older: Fortran 2003, 95, 90, 77, 66) +" Version: 0.50 +" Last Change: 2015 Nov. 30 +" Maintainer: Ajit J. Thakkar <ajit@unb.ca>; <http://www2.unb.ca/~ajit/> +" Usage: For instructions, do :help fortran-plugin from Vim +" Credits: +" Useful suggestions were made by Stefano Zacchiroli, Hendrik Merx, Ben +" Fritz, and David Barnett. + +" Only do these settings when not done yet for this buffer +if exists("b:did_ftplugin") + finish +endif + +let s:cposet=&cpoptions +set cpoptions&vim + +" Don't do other file type settings for this buffer +let b:did_ftplugin = 1 + +" Determine whether this is a fixed or free format source file +" if this hasn't been done yet using the priority: +" buffer-local value +" > global value +" > file extension as in Intel ifort, gcc (gfortran), NAG, Pathscale, and Cray compilers +if !exists("b:fortran_fixed_source") + if exists("fortran_free_source") + " User guarantees free source form + let b:fortran_fixed_source = 0 + elseif exists("fortran_fixed_source") + " User guarantees fixed source form + let b:fortran_fixed_source = 1 + elseif expand("%:e") ==? "f\<90\|95\|03\|08\>" + " Free-form file extension defaults as in Intel ifort, gcc(gfortran), NAG, Pathscale, and Cray compilers + let b:fortran_fixed_source = 0 + elseif expand("%:e") ==? "f\|f77\|for" + " Fixed-form file extension defaults + let b:fortran_fixed_source = 1 + else + " Modern fortran still allows both fixed and free source form + " Assume fixed source form unless signs of free source form + " are detected in the first five columns of the first s:lmax lines. + " Detection becomes more accurate and time-consuming if more lines + " are checked. Increase the limit below if you keep lots of comments at + " the very top of each file and you have a fast computer. + let s:lmax = 500 + if ( s:lmax > line("$") ) + let s:lmax = line("$") + endif + let b:fortran_fixed_source = 1 + let s:ln=1 + while s:ln <= s:lmax + let s:test = strpart(getline(s:ln),0,5) + if s:test !~ '^[Cc*]' && s:test !~ '^ *[!#]' && s:test =~ '[^ 0-9\t]' && s:test !~ '^[ 0-9]*\t' + let b:fortran_fixed_source = 0 + break + endif + let s:ln = s:ln + 1 + endwhile + unlet! s:lmax s:ln s:test + endif +endif + +" Set comments and textwidth according to source type +if (b:fortran_fixed_source == 1) + setlocal comments=:!,:*,:C + " Fixed format requires a textwidth of 72 for code + setlocal tw=72 + " If you need to add "&" on continued lines so that the code is + " compatible with both free and fixed format, then you should do so + " in column 73 and uncomment the next line + " setlocal tw=73 +else + setlocal comments=:! + " Free format allows a textwidth of 132 + setlocal tw=132 +endif + +" Set commentstring for foldmethod=marker +setlocal cms=!%s + +" Tabs are not a good idea in Fortran so the default is to expand tabs +if !exists("fortran_have_tabs") + setlocal expandtab +endif + +" Set 'formatoptions' to break text lines +setlocal fo+=t + +setlocal include=^\\c#\\=\\s*include\\s\\+ +setlocal suffixesadd+=.f08,.f03,.f95,.f90,.for,.f,.F,.f77,.ftn,.fpp + +" Define patterns for the matchit plugin +if !exists("b:match_words") + let s:notend = '\%(\<end\s\+\)\@<!' + let s:notselect = '\%(\<select\s\+\)\@<!' + let s:notelse = '\%(\<end\s\+\|\<else\s\+\)\@<!' + let s:notprocedure = '\%(\s\+procedure\>\)\@!' + let b:match_ignorecase = 1 + let b:match_words = + \ '(:),' . + \ '\<select\s*case\>:' . s:notselect. '\<case\>:\<end\s*select\>,' . + \ s:notelse . '\<if\s*(.\+)\s*then\>:' . + \ '\<else\s*\%(if\s*(.\+)\s*then\)\=\>:\<end\s*if\>,'. + \ 'do\s\+\(\d\+\):\%(^\s*\)\@<=\1\s,'. + \ s:notend . '\<do\>:\<end\s*do\>,'. + \ s:notelse . '\<where\>:\<elsewhere\>:\<end\s*where\>,'. + \ s:notend . '\<type\s*[^(]:\<end\s*type\>,'. + \ s:notend . '\<forall\>:\<end\s*forall\>,'. + \ s:notend . '\<associate\>:\<end\s*associate\>,'. + \ s:notend . '\<enum\>:\<end\s*enum\>,'. + \ s:notend . '\<interface\>:\<end\s*interface\>,'. + \ s:notend . '\<subroutine\>:\<end\s*subroutine\>,'. + \ s:notend . '\<function\>:\<end\s*function\>,'. + \ s:notend . '\<module\>' . s:notprocedure . ':\<end\s*module\>,'. + \ s:notend . '\<program\>:\<end\s*program\>' +endif + +" File filters for :browse e +if has("gui_win32") && !exists("b:browsefilter") + let b:browsefilter = "Fortran Files (*.f;*.for;*.f77;*.f90;*.f95;*.f03;*.f08;*.fpp;*.ftn)\t*.f;*.for;*.f77;*.f90;*.f95;*.f03;*.f08;*.fpp;*.ftn\n" . + \ "All Files (*.*)\t*.*\n" +endif + +let b:undo_ftplugin = "setl fo< com< tw< cms< et< inc< sua<" + \ . "| unlet! b:match_ignorecase b:match_words b:browsefilter" + +let &cpoptions=s:cposet +unlet s:cposet + +" vim:sw=2 |