/tools/Ruby/lib/ruby/1.8/irb/workspace.rb
http://github.com/agross/netopenspace · Ruby · 107 lines · 87 code · 6 blank · 14 comment · 6 complexity · f659b441b85043833485abc425a8727c MD5 · raw file
- #
- # irb/workspace-binding.rb -
- # $Release Version: 0.9.5$
- # $Revision: 11708 $
- # $Date: 2007-02-13 08:01:19 +0900 (Tue, 13 Feb 2007) $
- # by Keiju ISHITSUKA(keiju@ruby-lang.org)
- #
- # --
- #
- #
- #
- module IRB
- class WorkSpace
- # create new workspace. set self to main if specified, otherwise
- # inherit main from TOPLEVEL_BINDING.
- def initialize(*main)
- if main[0].kind_of?(Binding)
- @binding = main.shift
- elsif IRB.conf[:SINGLE_IRB]
- @binding = TOPLEVEL_BINDING
- else
- case IRB.conf[:CONTEXT_MODE]
- when 0 # binding in proc on TOPLEVEL_BINDING
- @binding = eval("proc{binding}.call",
- TOPLEVEL_BINDING,
- __FILE__,
- __LINE__)
- when 1 # binding in loaded file
- require "tempfile"
- f = Tempfile.open("irb-binding")
- f.print <<EOF
- $binding = binding
- EOF
- f.close
- load f.path
- @binding = $binding
- when 2 # binding in loaded file(thread use)
- unless defined? BINDING_QUEUE
- require "thread"
-
- IRB.const_set("BINDING_QUEUE", SizedQueue.new(1))
- Thread.abort_on_exception = true
- Thread.start do
- eval "require \"irb/ws-for-case-2\"", TOPLEVEL_BINDING, __FILE__, __LINE__
- end
- Thread.pass
- end
- @binding = BINDING_QUEUE.pop
- when 3 # binging in function on TOPLEVEL_BINDING(default)
- @binding = eval("def irb_binding; binding; end; irb_binding",
- TOPLEVEL_BINDING,
- __FILE__,
- __LINE__ - 3)
- end
- end
- if main.empty?
- @main = eval("self", @binding)
- else
- @main = main[0]
- IRB.conf[:__MAIN__] = @main
- case @main
- when Module
- @binding = eval("IRB.conf[:__MAIN__].module_eval('binding', __FILE__, __LINE__)", @binding, __FILE__, __LINE__)
- else
- begin
- @binding = eval("IRB.conf[:__MAIN__].instance_eval('binding', __FILE__, __LINE__)", @binding, __FILE__, __LINE__)
- rescue TypeError
- IRB.fail CantChangeBinding, @main.inspect
- end
- end
- end
- eval("_=nil", @binding)
- end
- attr_reader :binding
- attr_reader :main
- def evaluate(context, statements, file = __FILE__, line = __LINE__)
- eval(statements, @binding, file, line)
- end
-
- # error message manipulator
- def filter_backtrace(bt)
- case IRB.conf[:CONTEXT_MODE]
- when 0
- return nil if bt =~ /\(irb_local_binding\)/
- when 1
- if(bt =~ %r!/tmp/irb-binding! or
- bt =~ %r!irb/.*\.rb! or
- bt =~ /irb\.rb/)
- return nil
- end
- when 2
- return nil if bt =~ /irb\/.*\.rb/
- when 3
- return nil if bt =~ /irb\/.*\.rb/
- bt.sub!(/:\s*in `irb_binding'/){""}
- end
- bt
- end
- def IRB.delete_caller
- end
- end
- end