diff options
Diffstat (limited to 'ruby_1_8_5/lib/irb/ext/tracer.rb')
-rw-r--r-- | ruby_1_8_5/lib/irb/ext/tracer.rb | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/ruby_1_8_5/lib/irb/ext/tracer.rb b/ruby_1_8_5/lib/irb/ext/tracer.rb new file mode 100644 index 0000000000..8660bfed17 --- /dev/null +++ b/ruby_1_8_5/lib/irb/ext/tracer.rb @@ -0,0 +1,61 @@ +# +# irb/lib/tracer.rb - +# $Release Version: 0.9.5$ +# $Revision: 1.1.2.1 $ +# $Date: 2005/04/19 19:24:58 $ +# by Keiju ISHITSUKA(keiju@ruby-lang.org) +# +# -- +# +# +# +require "tracer" + +module IRB + + # initialize tracing function + def IRB.initialize_tracer + Tracer.verbose = false + Tracer.add_filter { + |event, file, line, id, binding, *rests| + /^#{Regexp.quote(@CONF[:IRB_LIB_PATH])}/ !~ file and + File::basename(file) != "irb.rb" + } + end + + class Context + attr_reader :use_tracer + alias use_tracer? use_tracer + + def use_tracer=(opt) + if opt + Tracer.set_get_line_procs(@irb_path) { + |line_no, *rests| + @io.line(line_no) + } + elsif !opt && @use_tracer + Tracer.off + end + @use_tracer=opt + end + end + + class WorkSpace + alias __evaluate__ evaluate + def evaluate(context, statements, file = nil, line = nil) + if context.use_tracer? && file != nil && line != nil + Tracer.on + begin + __evaluate__(context, statements, file, line) + ensure + Tracer.off + end + else + __evaluate__(context, statements, file || __FILE__, line || __LINE__) + end + end + end + + IRB.initialize_tracer +end + |