115 lines
3.2 KiB
Ruby
115 lines
3.2 KiB
Ruby
#
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# irb/workspace-binding.rb -
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# $Release Version: 0.9.6$
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# $Revision$
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# by Keiju ISHITSUKA(keiju@ruby-lang.org)
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#
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# --
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#
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#
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#
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module IRB # :nodoc:
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class WorkSpace
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# Creates a new workspace.
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#
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# set self to main if specified, otherwise
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# inherit main from TOPLEVEL_BINDING.
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def initialize(*main)
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if main[0].kind_of?(Binding)
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@binding = main.shift
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elsif IRB.conf[:SINGLE_IRB]
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@binding = TOPLEVEL_BINDING
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else
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case IRB.conf[:CONTEXT_MODE]
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when 0 # binding in proc on TOPLEVEL_BINDING
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@binding = eval("proc{binding}.call",
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TOPLEVEL_BINDING,
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__FILE__,
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__LINE__)
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when 1 # binding in loaded file
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require "tempfile"
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f = Tempfile.open("irb-binding")
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f.print <<EOF
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$binding = binding
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EOF
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f.close
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load f.path
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@binding = $binding
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when 2 # binding in loaded file(thread use)
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unless defined? BINDING_QUEUE
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require "thread"
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IRB.const_set(:BINDING_QUEUE, SizedQueue.new(1))
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Thread.abort_on_exception = true
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Thread.start do
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eval "require \"irb/ws-for-case-2\"", TOPLEVEL_BINDING, __FILE__, __LINE__
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end
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Thread.pass
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end
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@binding = BINDING_QUEUE.pop
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when 3 # binding in function on TOPLEVEL_BINDING(default)
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@binding = eval("def irb_binding; private; binding; end; irb_binding",
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TOPLEVEL_BINDING,
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__FILE__,
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__LINE__ - 3)
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end
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end
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if main.empty?
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@main = eval("self", @binding)
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else
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@main = main[0]
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IRB.conf[:__MAIN__] = @main
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case @main
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when Module
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@binding = eval("IRB.conf[:__MAIN__].module_eval('binding', __FILE__, __LINE__)", @binding, __FILE__, __LINE__)
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else
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begin
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@binding = eval("IRB.conf[:__MAIN__].instance_eval('binding', __FILE__, __LINE__)", @binding, __FILE__, __LINE__)
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rescue TypeError
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IRB.fail CantChangeBinding, @main.inspect
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end
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end
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end
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eval("_=nil", @binding)
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end
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# The Binding of this workspace
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attr_reader :binding
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# The top-level workspace of this context, also available as
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# <code>IRB.conf[:__MAIN__]</code>
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attr_reader :main
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# Evaluate the given +statements+ within the context of this workspace.
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def evaluate(context, statements, file = __FILE__, line = __LINE__)
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eval(statements, @binding, file, line)
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end
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# error message manipulator
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def filter_backtrace(bt)
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case IRB.conf[:CONTEXT_MODE]
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when 0
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return nil if bt =~ /\(irb_local_binding\)/
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when 1
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if(bt =~ %r!/tmp/irb-binding! or
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bt =~ %r!irb/.*\.rb! or
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bt =~ /irb\.rb/)
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return nil
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end
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when 2
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return nil if bt =~ /irb\/.*\.rb/
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return nil if bt =~ /irb\.rb/
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when 3
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return nil if bt =~ /irb\/.*\.rb/
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return nil if bt =~ /irb\.rb/
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bt = bt.sub(/:\s*in `irb_binding'/, '')
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end
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bt
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end
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def IRB.delete_caller
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end
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end
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end
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