nobu	2013-04-25 01:22:44 +0900 (Thu, 25 Apr 2013)

  New Revision: 40453

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=40453

  Log:
    tracer.rb: File.readlines
    
    * lib/tracer.rb (get_line): simply read by File.readlines.

  Modified files:
    trunk/ChangeLog
    trunk/lib/tracer.rb

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 40452)
+++ ChangeLog	(revision 40453)
@@ -1,4 +1,6 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
-Thu Apr 25 01:21:51 2013  Nobuyoshi Nakada  <nobu@r...>
+Thu Apr 25 01:22:41 2013  Nobuyoshi Nakada  <nobu@r...>
+
+	* lib/tracer.rb (get_line): simply read by File.readlines.
 
 	* lib/debug.rb (script_lines): get source lines from SCRIPT_LINES__ or
 	  read from the file.
Index: lib/tracer.rb
===================================================================
--- lib/tracer.rb	(revision 40452)
+++ lib/tracer.rb	(revision 40453)
@@ -155,16 +155,8 @@ class Tracer https://github.com/ruby/ruby/blob/trunk/lib/tracer.rb#L155
     end
 
     unless list = SCRIPT_LINES__[file]
-      begin
-        f = File::open(file)
-        begin
-          SCRIPT_LINES__[file] = list = f.readlines
-        ensure
-          f.close
-        end
-      rescue
-        SCRIPT_LINES__[file] = list = []
-      end
+      list = File.readlines(file) rescue []
+      SCRIPT_LINES__[file] = list
     end
 
     if l = list[line - 1]

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