1 files changed, 53 insertions, 0 deletions
diff --git a/runtime/indent/tcsh.vim b/runtime/indent/tcsh.vim
new file mode 100644
index 0000000..93d96e7
--- /dev/null
+++ b/runtime/indent/tcsh.vim
@@ -0,0 +1,53 @@
+" Vim indent file
+" Language:		C-shell (tcsh)
+" Maintainer:		Doug Kearns <dougkearns@gmail.com>
+" Previous Maintainer:	Gautam Iyer <gi1242+vim@NoSpam.com> where NoSpam=gmail (Original Author)
+" Last Change:		2021 Oct 15
+
+" Only load this indent file when no other was loaded.
+if exists("b:did_indent")
+    finish
+endif
+
+let b:did_indent = 1
+
+setlocal indentexpr=TcshGetIndent()
+setlocal indentkeys+=e,0=end
+setlocal indentkeys-=0{,0},0),:,0#
+
+let b:undo_indent = "setl inde< indk<"
+
+" Only define the function once.
+if exists("*TcshGetIndent")
+    finish
+endif
+
+function TcshGetIndent()
+    " 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
+
+    " Add indent if previous line begins with while or foreach
+    " OR line ends with case <str>:, default:, else, then or \
+    let ind = indent(lnum)
+    let line = getline(lnum)
+    if line =~ '\v^\s*%(while|foreach)>|^\s*%(case\s.*:|default:|else)\s*$|%(<then|\\)$'
+	let ind = ind + shiftwidth()
+    endif
+
+    if line =~ '\v^\s*breaksw>'
+	let ind = ind - shiftwidth()
+    endif
+
+    " Subtract indent if current line has on end, endif, endsw, case commands
+    let line = getline(v:lnum)
+    if line =~ '\v^\s*%(else|end|endif|endsw)\s*$'
+	let ind = ind - shiftwidth()
+    endif
+
+    return ind
+endfunction