mirror of
https://github.com/vim/vim.git
synced 2025-09-29 04:34:16 -04:00
updated for version 7.0001
This commit is contained in:
Bram Moolenaar
161
runtime/indent/fortran.vim
Normal file
161
runtime/indent/fortran.vim
Normal file
@@ -0,0 +1,161 @@
|
||||
" Vim indent file
|
||||
" Language: Fortran95 (and Fortran90, Fortran77, F and elf90)
|
||||
" Version: 0.36
|
||||
" URL: http://www.unb.ca/chem/ajit/indent/fortran.vim
|
||||
" Last Change: 2004 Apr. 05
|
||||
" Maintainer: Ajit J. Thakkar <ajit@unb.ca>; <http://www.unb.ca/chem/ajit/>
|
||||
" Usage: Do :help fortran-indent from Vim
|
||||
|
||||
" Only load this indent file when no other was loaded.
|
||||
if exists("b:did_indent")
|
||||
finish
|
||||
endif
|
||||
let b:did_indent = 1
|
||||
|
||||
let s:cposet=&cpoptions
|
||||
set cpoptions-=C
|
||||
|
||||
setlocal indentkeys+==~end,=~case,=~if,=~else,=~do,=~where,=~elsewhere,=~select
|
||||
setlocal indentkeys+==~endif,=~enddo,=~endwhere,=~endselect
|
||||
|
||||
" Determine whether this is a fixed or free format source file
|
||||
" if this hasn't been done yet
|
||||
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
|
||||
else
|
||||
" f90 and f95 allow 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 25 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 = 25
|
||||
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[0] !~ '[Cc*!#]' && s:test !~ '^ \+[!#]' && s:test =~ '[^ 0-9\t]'
|
||||
let b:fortran_fixed_source = 0
|
||||
break
|
||||
endif
|
||||
let s:ln = s:ln + 1
|
||||
endwhile
|
||||
endif
|
||||
endif
|
||||
|
||||
" Define the appropriate indent function but only once
|
||||
if (b:fortran_fixed_source == 1)
|
||||
setlocal indentexpr=FortranGetFixedIndent()
|
||||
if exists("*FortranGetFixedIndent")
|
||||
finish
|
||||
endif
|
||||
else
|
||||
setlocal indentexpr=FortranGetFreeIndent()
|
||||
if exists("*FortranGetFreeIndent")
|
||||
finish
|
||||
endif
|
||||
endif
|
||||
|
||||
function FortranGetIndent(lnum)
|
||||
let ind = indent(a:lnum)
|
||||
let prevline=getline(a:lnum)
|
||||
" Strip tail comment
|
||||
let prevstat=substitute(prevline, '!.*$', '', '')
|
||||
|
||||
"Indent do loops only if they are all guaranteed to be of do/end do type
|
||||
if exists("b:fortran_do_enddo") || exists("fortran_do_enddo")
|
||||
if prevstat =~? '^\s*\(\d\+\s\)\=\s*\(\a\w*\s*:\)\=\s*do\>'
|
||||
let ind = ind + &sw
|
||||
endif
|
||||
if getline(v:lnum) =~? '^\s*\(\d\+\s\)\=\s*end\s*do\>'
|
||||
let ind = ind - &sw
|
||||
endif
|
||||
endif
|
||||
|
||||
"Add a shiftwidth to statements following if, else, case,
|
||||
"where and elsewhere statements
|
||||
if prevstat =~? '^\s*\(\d\+\s\)\=\s*\(else\|case\|where\|elsewhere\)\>'
|
||||
\ || prevstat =~? '^\s*\(\d\+\s\)\=\s*\(\a\w*\s*:\)\=\s*if\>'
|
||||
let ind = ind + &sw
|
||||
" Remove unwanted indent after logical and arithmetic ifs
|
||||
if prevstat =~? '\<if\>' && prevstat !~? '\<then\>'
|
||||
let ind = ind - &sw
|
||||
endif
|
||||
endif
|
||||
|
||||
"Subtract a shiftwidth from else, elsewhere, case, end if,
|
||||
" end where and end select statements
|
||||
if getline(v:lnum) =~? '^\s*\(\d\+\s\)\=\s*'
|
||||
\. '\(else\|elsewhere\|case\|end\s*\(if\|where\|select\)\)\>'
|
||||
let ind = ind - &sw
|
||||
" Fix indent for case statement immediately after select
|
||||
if prevstat =~? '\<select\>'
|
||||
let ind = ind + &sw
|
||||
endif
|
||||
endif
|
||||
|
||||
return ind
|
||||
endfunction
|
||||
|
||||
function FortranGetFreeIndent()
|
||||
"Find the previous non-blank line
|
||||
let lnum = prevnonblank(v:lnum - 1)
|
||||
|
||||
"Use zero indent at the top of the file
|
||||
if lnum == 0
|
||||
return 0
|
||||
endif
|
||||
|
||||
let ind=FortranGetIndent(lnum)
|
||||
return ind
|
||||
endfunction
|
||||
|
||||
function FortranGetFixedIndent()
|
||||
let currline=getline(v:lnum)
|
||||
"Don't indent comments, continuation lines and labelled lines
|
||||
if strpart(currline,0,6) =~ '[^ \t]'
|
||||
let ind = indent(v:lnum)
|
||||
return ind
|
||||
endif
|
||||
|
||||
"Find the previous line which is not blank, not a comment,
|
||||
"not a continuation line, and does not have a label
|
||||
let lnum = v:lnum - 1
|
||||
while lnum > 0
|
||||
let prevline=getline(lnum)
|
||||
if (prevline =~ "^[C*!]") || (prevline =~ "^\s*$")
|
||||
\ || (strpart(prevline,5,1) !~ "[ 0]")
|
||||
" Skip comments, blank lines and continuation lines
|
||||
let lnum = lnum - 1
|
||||
else
|
||||
let test=strpart(prevline,0,5)
|
||||
if test =~ "[0-9]"
|
||||
" Skip lines with statement numbers
|
||||
let lnum = lnum - 1
|
||||
else
|
||||
break
|
||||
endif
|
||||
endif
|
||||
endwhile
|
||||
|
||||
"First line must begin at column 7
|
||||
if lnum == 0
|
||||
return 6
|
||||
endif
|
||||
|
||||
let ind=FortranGetIndent(lnum)
|
||||
return ind
|
||||
endfunction
|
||||
|
||||
let &cpoptions=s:cposet
|
||||
unlet s:cposet
|
||||
|
||||
" vim:sw=2 tw=130
|
||||
Reference in New Issue
Block a user