* ext/dl/lib/dl/import.rb (DL::Importer#extern): adds filename and

line number to module_eval'ing for readability of backtrace.
  (DL::Importer#bind): ditto.

* ext/dl/lib/dl/struct.rb (DL::CStructBuilder#create): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@21137 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,11 @@
+Sun Dec 28 21:03:07 2008  Yuki Sonoda (Yugui)  <yugui@yugui.jp>
+
+	* ext/dl/lib/dl/import.rb (DL::Importer#extern): adds filename and
+	  line number to module_eval'ing for readability of backtrace.
+	  (DL::Importer#bind): ditto.
+
+	* ext/dl/lib/dl/struct.rb (DL::CStructBuilder#create): ditto.
+
 Sun Dec 28 19:11:03 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* win32/Makefile.sub (config.h): do not use snprintf/vsnprintf in

ext/dl/lib/dl/import.rb

@@ -119,7 +119,13 @@ module DL
       name = symname.gsub(/@.+/,'')
       @func_map[name] = f
       # define_method(name){|*args,&block| f.call(*args,&block)}
-      module_eval(<<-EOS)
+      begin
+        /^(.+?):(\d+)/ =~ caller.first
+        file, line = $1, $2.to_i
+      rescue
+        file, line = __FILE__, __LINE__+3
+      end
+      module_eval(<<-EOS, file, line)
         def #{name}(*args, &block)
           @func_map['#{name}'].call(*args,&block)
         end
@@ -143,7 +149,13 @@ module DL
       end
       @func_map[name] = f
       #define_method(name){|*args,&block| f.call(*args,&block)}
-      module_eval(<<-EOS)
+      begin
+        /^(.+?):(\d+)/ =~ caller.first
+        file, line = $1, $2.to_i
+      rescue
+        file, line = __FILE__, __LINE__+3
+      end
+      module_eval(<<-EOS, file, line)
         def #{name}(*args,&block)
           @func_map['#{name}'].call(*args,&block)
         end

ext/dl/lib/dl/struct.rb

@@ -29,7 +29,7 @@ module DL
         }
       }
       size = klass.entity_class.size(types)
-      new_class.module_eval(<<-EOS)
+      new_class.module_eval(<<-EOS, __FILE__, __LINE__+1)
         def new_class.size()
           #{size}
         end