From 8ba6fcc70cf7d3f21d3db32d7ed21b2b19aa814a Mon Sep 17 00:00:00 2001
From: matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 17 Feb 2006 15:26:34 +0000
Subject: * lib/tracer.rb: merged a minor clarification patch from Daniel  
 Berger <Daniel.Berger at qwest.com>.  [ruby-core:07376]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@9950 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/tracer.rb | 23 ++++++++++-------------
 1 file changed, 10 insertions(+), 13 deletions(-)

(limited to 'lib/tracer.rb')

diff --git a/lib/tracer.rb b/lib/tracer.rb
index 3ccf1b5017..893a9d5827 100644
--- a/lib/tracer.rb
+++ b/lib/tracer.rb
@@ -24,8 +24,6 @@ class Tracer
     attr :stdout, true
   end
   
-  MY_FILE_NAME = caller(0)[0].scan(/^(.*):[0-9]+$/)[0][0]
-  
   EVENT_SYMBOL = {
     "line" => "-",
     "call" => ">",
@@ -97,6 +95,7 @@ class Tracer
 	SCRIPT_LINES__[file] = list = []
       end
     end
+
     if l = list[line - 1]
       l
     else
@@ -113,7 +112,7 @@ class Tracer
   end
   
   def trace_func(event, file, line, id, binding, klass, *)
-    return if file == MY_FILE_NAME
+    return if file == __FILE__
     
     for p in @filters
       return unless p.call event, file, line, id, binding, klass
@@ -156,15 +155,13 @@ end
 
 SCRIPT_LINES__ = {} unless defined? SCRIPT_LINES__
 
-if caller(0).size == 1
-  if $0 == Tracer::MY_FILE_NAME
-    # direct call
+if $0 == __FILE__
+  # direct call
     
-    $0 = ARGV[0]
-    ARGV.shift
-    Tracer.on
-    require $0
-  else
-    Tracer.on
-  end
+  $0 = ARGV[0]
+  ARGV.shift
+  Tracer.on
+  require $0
+else
+  Tracer.on
 end
-- 
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