flymake で yaml のシンタックスチェック

#!/usr/bin/env php
<?php

require_once(dirname(__FILE__) . '/yaml/sfYamlParser.php');

$yaml = new sfYamlParser();

try {
    $yaml->parse(file_get_contents($_SERVER['argv'][1]));
} catch (InvalidArgumentException $e) {
    echo "Unable to parse the YAML string: " . $e->getMessage() . "\n";
}

(defun flymake-yaml-init ()
  (let* ((temp-file   (flymake-init-create-temp-buffer-copy
                       'flymake-create-temp-inplace))
         (local-file  (file-relative-name
                       temp-file
                       (file-name-directory buffer-file-name))))
    (list "flymake-yaml" (list local-file))))
(add-to-list 'flymake-allowed-file-name-masks
             '("\\.ya?ml$" flymake-yaml-init))
(add-to-list 'flymake-err-line-patterns
             '("Unable to parse the YAML string: Unable to parse line \\([0-9]+\\) \\(.*\\)"
               nil 1 nil 2))

Yaml component (Symfony Components)