summaryrefslogtreecommitdiffstats
path: root/runtime/ftplugin/fortran.vim
diff options
context:
space:
mode:
Diffstat (limited to 'runtime/ftplugin/fortran.vim')
-rw-r--r--runtime/ftplugin/fortran.vim142
1 files changed, 142 insertions, 0 deletions
diff --git a/runtime/ftplugin/fortran.vim b/runtime/ftplugin/fortran.vim
new file mode 100644
index 0000000..8f5b243
--- /dev/null
+++ b/runtime/ftplugin/fortran.vim
@@ -0,0 +1,142 @@
+" Vim settings file
+" Language: Fortran 2008 (and older: Fortran 2003, 95, 90, 77, 66)
+" Version: (v53) 2021 April 06 (updated 2022 May 22)
+" Maintainer: Ajit J. Thakkar <ajit@unb.ca>; <http://www2.unb.ca/~ajit/>
+" Usage: For instructions, do :help fortran-plugin from Vim
+" Credits:
+" Version 0.1 was created in September 2000 by Ajit Thakkar.
+" Since then, useful suggestions and contributions have been made, in order, by:
+" Stefano Zacchiroli, Hendrik Merx, Ben Fritz, David Barnett, Eisuke Kawashima,
+" Doug Kearns, and Fritz Reese.
+
+" 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,
+ " but some vendor extensions allow longer lines
+ if exists("fortran_extended_line_length")
+ setlocal tw=132
+ elseif exists("fortran_cardimage_line_length")
+ setlocal tw=80
+ else
+ 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
+ endif
+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 s:nothash = '\%(^\s*#\s*\)\@<!'
+ let b:match_ignorecase = 1
+ let b:match_words =
+ \ '(:),' .
+ \ '\<select\s*case\>:' . s:notselect. '\<case\>:\<end\s*select\>,' .
+ \ s:notelse . '\<if\s*(.\+)\s*then\>:' .
+ \ s:nothash . '\<else\s*\%(if\s*(.\+)\s*then\)\=\>:' . s:nothash . '\<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\>,'.
+ \ '\%(^\s*\)\@<=#\s*if\%(def\|ndef\)\=\>:\%(^\s*\)\@<=#\s*\%(elif\|else\)\>:\%(^\s*\)\@<=#\s*endif\>'
+endif
+
+" File filters for :browse e
+if (has("gui_win32") || has("gui_gtk")) && !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