1" Vim settings file 2" Language: Fortran 2008 (and older: Fortran 2003, 95, 90, 77, 66) 3" Version: (v52) 2020 October 07 4" Maintainer: Ajit J. Thakkar <[email protected]>; <http://www2.unb.ca/~ajit/> 5" Usage: For instructions, do :help fortran-plugin from Vim 6" Credits: 7" Version 0.1 was created in September 2000 by Ajit Thakkar. 8" Since then, useful suggestions and contributions have been made, in order, by: 9" Stefano Zacchiroli, Hendrik Merx, Ben Fritz, David Barnett, Eisuke Kawashima, 10" and Doug Kearns. 11 12" Only do these settings when not done yet for this buffer 13if exists("b:did_ftplugin") 14 finish 15endif 16 17let s:cposet=&cpoptions 18set cpoptions&vim 19 20" Don't do other file type settings for this buffer 21let b:did_ftplugin = 1 22 23" Determine whether this is a fixed or free format source file 24" if this hasn't been done yet using the priority: 25" buffer-local value 26" > global value 27" > file extension as in Intel ifort, gcc (gfortran), NAG, Pathscale, and Cray compilers 28if !exists("b:fortran_fixed_source") 29 if exists("fortran_free_source") 30 " User guarantees free source form 31 let b:fortran_fixed_source = 0 32 elseif exists("fortran_fixed_source") 33 " User guarantees fixed source form 34 let b:fortran_fixed_source = 1 35 elseif expand("%:e") =~? '^f\%(90\|95\|03\|08\)$' 36 " Free-form file extension defaults as in Intel ifort, gcc(gfortran), NAG, Pathscale, and Cray compilers 37 let b:fortran_fixed_source = 0 38 elseif expand("%:e") =~? '^\%(f\|f77\|for\)$' 39 " Fixed-form file extension defaults 40 let b:fortran_fixed_source = 1 41 else 42 " Modern fortran still allows both fixed and free source form 43 " Assume fixed source form unless signs of free source form 44 " are detected in the first five columns of the first s:lmax lines. 45 " Detection becomes more accurate and time-consuming if more lines 46 " are checked. Increase the limit below if you keep lots of comments at 47 " the very top of each file and you have a fast computer. 48 let s:lmax = 500 49 if ( s:lmax > line("$") ) 50 let s:lmax = line("$") 51 endif 52 let b:fortran_fixed_source = 1 53 let s:ln=1 54 while s:ln <= s:lmax 55 let s:test = strpart(getline(s:ln),0,5) 56 if s:test !~ '^[Cc*]' && s:test !~ '^ *[!#]' && s:test =~ '[^ 0-9\t]' && s:test !~ '^[ 0-9]*\t' 57 let b:fortran_fixed_source = 0 58 break 59 endif 60 let s:ln = s:ln + 1 61 endwhile 62 unlet! s:lmax s:ln s:test 63 endif 64endif 65 66" Set comments and textwidth according to source type 67if (b:fortran_fixed_source == 1) 68 setlocal comments=:!,:*,:C 69 " Fixed format requires a textwidth of 72 for code 70 setlocal tw=72 71 " If you need to add "&" on continued lines so that the code is 72 " compatible with both free and fixed format, then you should do so 73 " in column 73 and uncomment the next line 74 " setlocal tw=73 75else 76 setlocal comments=:! 77 " Free format allows a textwidth of 132 78 setlocal tw=132 79endif 80 81" Set commentstring for foldmethod=marker 82setlocal cms=!%s 83 84" Tabs are not a good idea in Fortran so the default is to expand tabs 85if !exists("fortran_have_tabs") 86 setlocal expandtab 87endif 88 89" Set 'formatoptions' to break text lines 90setlocal fo+=t 91 92setlocal include=^\\c#\\=\\s*include\\s\\+ 93setlocal suffixesadd+=.f08,.f03,.f95,.f90,.for,.f,.F,.f77,.ftn,.fpp 94 95" Define patterns for the matchit plugin 96if !exists("b:match_words") 97 let s:notend = '\%(\<end\s\+\)\@<!' 98 let s:notselect = '\%(\<select\s\+\)\@<!' 99 let s:notelse = '\%(\<end\s\+\|\<else\s\+\)\@<!' 100 let s:notprocedure = '\%(\s\+procedure\>\)\@!' 101 let b:match_ignorecase = 1 102 let b:match_words = 103 \ '(:),' . 104 \ '\<select\s*case\>:' . s:notselect. '\<case\>:\<end\s*select\>,' . 105 \ s:notelse . '\<if\s*(.\+)\s*then\>:' . 106 \ '\<else\s*\%(if\s*(.\+)\s*then\)\=\>:\<end\s*if\>,'. 107 \ 'do\s\+\(\d\+\):\%(^\s*\)\@<=\1\s,'. 108 \ s:notend . '\<do\>:\<end\s*do\>,'. 109 \ s:notelse . '\<where\>:\<elsewhere\>:\<end\s*where\>,'. 110 \ s:notend . '\<type\s*[^(]:\<end\s*type\>,'. 111 \ s:notend . '\<forall\>:\<end\s*forall\>,'. 112 \ s:notend . '\<associate\>:\<end\s*associate\>,'. 113 \ s:notend . '\<enum\>:\<end\s*enum\>,'. 114 \ s:notend . '\<interface\>:\<end\s*interface\>,'. 115 \ s:notend . '\<subroutine\>:\<end\s*subroutine\>,'. 116 \ s:notend . '\<function\>:\<end\s*function\>,'. 117 \ s:notend . '\<module\>' . s:notprocedure . ':\<end\s*module\>,'. 118 \ s:notend . '\<program\>:\<end\s*program\>' 119endif 120 121" File filters for :browse e 122if (has("gui_win32") || has("gui_gtk")) && !exists("b:browsefilter") 123 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" . 124 \ "All Files (*.*)\t*.*\n" 125endif 126 127let b:undo_ftplugin = "setl fo< com< tw< cms< et< inc< sua<" 128 \ . "| unlet! b:match_ignorecase b:match_words b:browsefilter" 129 130let &cpoptions=s:cposet 131unlet s:cposet 132 133" vim:sw=2 134