Added NASM syntax checker.

syntax_checkers/nasm.vim

@@ -0,0 +1,26 @@
+"============================================================================
+"File:        nasm.vim
+"Description: Syntax checking plugin for syntastic.vim
+"Maintainer:  Håvard Pettersson <haavard.pettersson at gmail dot com>
+"License:     This program is free software. It comes without any warranty,
+"             to the extent permitted by applicable law. You can redistribute
+"             it and/or modify it under the terms of the Do What The Fuck You
+"             Want To Public License, Version 2, as published by Sam Hocevar.
+"             See http://sam.zoy.org/wtfpl/COPYING for more details.
+"
+"============================================================================
+if exists("loaded_nasm_syntax_checker")
+    finish
+endif
+let loaded_nasm_syntax_checker = 1
+
+"bail if the user doesnt have nasm installed
+if !executable("nasm")
+    finish
+endif
+
+function! SyntaxCheckers_nasm_GetLocList()
+    let makeprg = "nasm " . shellescape(expand("%"))
+    let errorformat = '%f:%l: %t%*[^:]: %m'
+    return SyntasticMake({ 'makeprg': makeprg, 'errorformat': errorformat })
+endfunction