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ruby--ruby/lib/irb/ext/tracer.rb
akr 6cdef2dc7e * $Date$ keyword removed to avoid inclusion of locale dependent
string.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14912 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2008-01-06 15:49:38 +00:00

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1.1 KiB
Ruby

#
# irb/lib/tracer.rb -
# $Release Version: 0.9.5$
# $Revision$
# 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