From 16ba36042340103b4f079a370238f54c4696bac1 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 19 Nov 2014 01:08:00 +0000
Subject: prelude.c.tmpl: strip prefix

* template/prelude.c.tmpl (Prelude#translate): strip VPATH prefix
  from prelude names, so that srcdir diffrences do not make the
  generated code diffrent.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48490 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 tool/vpath.rb | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'tool/vpath.rb')

diff --git a/tool/vpath.rb b/tool/vpath.rb
index 0c8d6071ea..48ab148405 100644
--- a/tool/vpath.rb
+++ b/tool/vpath.rb
@@ -79,4 +79,9 @@ class VPath
     end
     @list
   end
+
+  def strip(path)
+    prefix = list.map {|dir| Regexp.quote(dir)}
+    path.sub(/\A#{prefix.join('|')}(?:\/|\z)/, '')
+  end
 end
-- 
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