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" Vim indent file
" Language: R
" Author: Jeremy Stephens <jeremy.f.stephens@vanderbilt.edu>
" URL:
" Last Change:
" Version:
" Notes:
" Changes:
" Options:
" Only load this indent file when no other was loaded.
if exists("b:did_indent")
finish
endif
let b:did_indent = 1
setlocal indentexpr=GetRIndent()
"setlocal indentkeys+=0=,0),=EO
setlocal indentkeys+=0=,0),=EO,=>
" Only define the function once.
if exists("*GetRIndent")
finish
endif
function GetRIndent()
" Find a non-blank line above the current line.
let lnum = prevnonblank(v:lnum - 1)
" Hit the start of the file, use zero indent.
if lnum == 0
return 0
endif
let line = getline(lnum) " last line
let cline = getline(v:lnum) " current line
let pline = getline(lnum - 1) " previous to last line
let ind = indent(lnum)
" Indent blocks enclosed by {} or ()
"if line =~ '[{(]\s*\(#[^)}]*\)\=$'
if line =~ '[{(]\s*[^)}]*$'
let ind = ind + &sw
endif
if cline =~ '^\s*[)}]'
let ind = ind - &sw
endif
return ind
endfunction
" vim: set ts=4 sw=4:
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