diff options
Diffstat (limited to 'lib/irb/xmp.rb')
-rw-r--r-- | lib/irb/xmp.rb | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/lib/irb/xmp.rb b/lib/irb/xmp.rb new file mode 100644 index 0000000000..fc745a2757 --- /dev/null +++ b/lib/irb/xmp.rb @@ -0,0 +1,84 @@ +# +# xmp.rb - irb version of gotoken xmp +# $Release Version: 0.6$ +# $Revision$ +# $Date$ +# by Keiju ISHITSUKA(Nippon Rational Inc.) +# +# -- +# +# +# + +require "irb/irb" +require "irb/frame" + +class XMP + @RCS_ID='-$Id$-' + + def initialize(bind = nil) + #IRB.parse_opts + #IRB.load_modules + + bind = IRB::Frame.top(1) unless bind + main = eval("self", bind) + @io = StringInputMethod.new + @irb = IRB::Irb.new(main, bind, @io) + @irb.context.prompt_mode = :XMP + @irb.context.ignore_sigint = false + +# IRB.conf[:IRB_RC].call(@irb.context) if IRB.conf[:IRB_RC] + IRB.conf[:MAIN_CONTEXT] = @irb.context + end + + def puts(exps) + @io.puts exps + + if @irb.context.ignore_sigint + begin + trap_proc_b = trap("SIGINT"){@irb.signal_handle} + catch(:IRB_EXIT) do + @irb.eval_input + end + ensure + trap("SIGINT", trap_proc_b) + end + else + catch(:IRB_EXIT) do + @irb.eval_input + end + end + end + + class StringInputMethod < IRB::InputMethod + def initialize + super + @exps = [] + end + + def eof? + @exps.empty? + end + + def gets + while l = @exps.shift + next if /^\s+$/ =~ l + l.concat "\n" + print @prompt, l + break + end + l + end + + def puts(exps) + @exps.concat exps.split(/\n/) + end + end +end + +def xmp(exps, bind = nil) + bind = IRB::Frame.top(1) unless bind + xmp = XMP.new(bind) + xmp.puts exps + xmp +end |