add indent

1 files changed, 75 insertions, 0 deletions

diff --git a/indent/indent_pir.vim b/indent/indent_pir.vim
new file mode 100644
index 0000000..29dd9f6
--- /dev/null
+++ b/indent/indent_pir.vim
@@ -0,0 +1,75 @@
+" Description:	imcc indenter
+" Author:	Andrew Rodland <arodland@entermail.net>
+" Last Change: 2004 Aug 3
+
+" As usual, we want to be alone
+if exists("b:did_indent")
+	finish
+endif
+let b:did_indent=1
+
+setlocal indentexpr=PIRIndent()
+setlocal indentkeys=o,O,*<Return>,<bs>,:,=.end,0#
+
+fun! InPOD(lnum)
+	return synIDattr(synID(a:lnum, 1, 1), "name") =~? '^myPod$\|^pod[A-Z]'
+endfun
+
+fun! PIRIndent()
+	let thisline = getline(v:lnum)
+
+	let POD_START = '^=[a-z]'
+
+	if thisline =~? POD_START
+		return 0
+	endif
+
+	
+	if InPOD(v:lnum)
+		return -1
+	endif
+
+	let LABEL_OR_COMMENT = '^\s*\k\+:\s*$\|^#'
+	if thisline =~? LABEL_OR_COMMENT
+		return 0
+	endif
+
+	let lnum=v:lnum
+	while lnum > 0
+		let lnum = prevnonblank(lnum-1)
+		let prevline = getline(lnum)
+		
+		if prevline !~? LABEL_OR_COMMENT
+			if !InPOD(lnum)
+				break
+			endif
+		endif
+	endwhile
+
+	if lnum < 1
+		return 0
+	endif
+
+	let ind = indent(lnum)
+	
+	let SUB = '^\s*\.pcc_sub\s\+\|^\s*\.sub\s\+'
+	let RETURNBLOCK = '\s*\.pcc_begin_return\s*$'
+	let END = '^\s*\.end\s*$\|^\s*\.pcc_end_return\s*$'
+
+	if prevline =~? SUB
+		let ind = ind + &sw
+	endif
+
+	if prevline =~? RETURNBLOCK
+		let ind = ind + &sw
+	endif
+
+	if thisline =~? END
+		let ind = ind - &sw
+	endif
+
+	return ind
+
+endfun
+
+