From 06f286deb40c7f891386b0c68b7c1400c7c7f286 Mon Sep 17 00:00:00 2001
From: jluehrs2 <jluehrs2@uiuc.edu>
Date: Tue, 29 Apr 2008 16:28:21 -0500
Subject: beginnings of a text object for function arguments. it only handles
 single line functions at the moment

---
 vimrc | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/vimrc b/vimrc
index e9e10a4..a0e925b 100644
--- a/vimrc
+++ b/vimrc
@@ -378,6 +378,27 @@ function Textobj_fold(inner, count)
 endfunction
 call Textobj('f', 'Textobj_fold')
 " }}}
+" , for function arguments {{{
+function Textobj_arg(inner, count)
+    let line = getline('.')
+    let curcol = col('.')
+    let argbegin = matchend(strpart(line, 0, curcol), '.*\%(,\s*\|(\)') + 1
+    let argend = match(strpart(line, curcol), '\zs.\?\%(,\|)\)') + curcol + 1
+
+    if a:inner == 0
+        if line[argend] == ')' && line[argbegin - 2] != '('
+            let argbegin -= 1
+            let argbegin = match(strpart(line, 0, argbegin), '\s*$')
+        elseif line[argend] != ')'
+            let argend += 1
+            let argend += matchend(strpart(line, argend), '^\s*')
+        endif
+    endif
+
+    return [line('.'), argbegin, line('.'), argend]
+endfunction
+call Textobj(',', 'Textobj_arg')
+" }}}
 " }}}
 " }}}
 
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