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-rw-r--r--runtime/indent/readline.vim39
1 files changed, 39 insertions, 0 deletions
diff --git a/runtime/indent/readline.vim b/runtime/indent/readline.vim
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+++ b/runtime/indent/readline.vim
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+" Vim indent file
+" Language: readline configuration file
+" Maintainer: Doug Kearns <dougkearns@gmail.com>
+" Previous Maintainer: Nikolai Weibull <now@bitwi.se>
+" Last Change: 24 Sep 2021
+
+if exists("b:did_indent")
+ finish
+endif
+let b:did_indent = 1
+
+setlocal indentexpr=GetReadlineIndent()
+setlocal indentkeys=!^F,o,O,=$else,=$endif
+setlocal nosmartindent
+
+let b:undo_indent = "setl inde< indk< si<"
+
+if exists("*GetReadlineIndent")
+ finish
+endif
+
+function GetReadlineIndent()
+ let lnum = prevnonblank(v:lnum - 1)
+ if lnum == 0
+ return 0
+ endif
+
+ let ind = indent(lnum)
+
+ if getline(lnum) =~ '^\s*$\(if\|else\)\>'
+ let ind = ind + shiftwidth()
+ endif
+
+ if getline(v:lnum) =~ '^\s*$\(else\|endif\)\>'
+ let ind = ind - shiftwidth()
+ endif
+
+ return ind
+endfunction