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If $DEBUG == true and some exception is caused in a callback

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operation, Ruby/Tk shows a (verbose) backtrace information on
the callback process.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4787 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nagai 2003-10-16 14:53:47 +00:00
parent 0ed68132e5
commit 6559430fb7
2 changed files with 23 additions and 1 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
Thu Oct 16 23:51:04 2003 Hidetoshi NAGAI <nagai@ai.kyutech.ac.jp>
* ext/tk/lib/tk.rb: If $DEBUG == true and some exception is caused
in a callback operation, Ruby/Tk shows a (verbose) backtrace
information on the callback process.
Thu Oct 16 16:54:57 2003 Yukihiro Matsumoto <matz@ruby-lang.org>
* string.c (rb_str_upto): ("a"..."a").to_a should return [].

18
ext/tk/lib/tk.rb
View file

@ -772,7 +772,23 @@ module TkCore
#_get_eval_string(TkUtil.eval_cmd(TkCore::INTERP.tk_cmd_tbl[arg.shift],
# *arg))
cb_obj = TkCore::INTERP.tk_cmd_tbl[arg.shift]
cb_obj.call(*arg)
unless $DEBUG
cb_obj.call(*arg)
else
begin
raise 'check backtrace'
rescue
# ignore backtrace before 'callback'
pos = -($!.backtrace.size)
end
begin
cb_obj.call(*arg)
rescue
trace = $!.backtrace
raise $!, "\n#{trace[0]}: #{$!.message} (#{$!.class})\n" +
"\tfrom #{trace[1..pos].join("\n\tfrom ")}"
end
end
end
def load_cmd_on_ip(tk_cmd)