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PATH: opt / alt / ruby19 / lib64 / ruby / 1.9.1 / irb

#
#   frame.rb -
#   	$Release Version: 0.9$
#   	$Revision: 25189 $
#   	by Keiju ISHITSUKA(Nihon Rational Software Co.,Ltd)
#
# --
#
#
#

require "e2mmap"

module IRB
  class Frame
    extend Exception2MessageMapper
    def_exception :FrameOverflow, "frame overflow"
    def_exception :FrameUnderflow, "frame underflow"

INIT_STACK_TIMES = 3
    CALL_STACK_OFFSET = 3

def initialize
      @frames = [TOPLEVEL_BINDING] * INIT_STACK_TIMES
    end

def trace_func(event, file, line, id, binding)
      case event
      when 'call', 'class'
	@frames.push binding
      when 'return', 'end'
	@frames.pop
      end
    end

def top(n = 0)
      bind = @frames[-(n + CALL_STACK_OFFSET)]
      Fail FrameUnderflow unless bind
      bind
    end

def bottom(n = 0)
      bind = @frames[n]
      Fail FrameOverflow unless bind
      bind
    end

# singleton functions
    def Frame.bottom(n = 0)
      @backtrace.bottom(n)
    end

def Frame.top(n = 0)
      @backtrace.top(n)
    end

def Frame.sender
      eval "self", @backtrace.top
    end

@backtrace = Frame.new
    set_trace_func proc{|event, file, line, id, binding, klass|
      @backtrace.trace_func(event, file, line, id, binding)
    }
  end
end

[-] input-method.rb [edit]
[-] help.rb [edit]
[+] lc
[-] locale.rb [edit]
[-] slex.rb [edit]
[-] completion.rb [edit]
[-] ruby-token.rb [edit]
[+] ext
[-] magic-file.rb [edit]
[-] version.rb [edit]
[+] cmd
[-] context.rb [edit]
[-] extend-command.rb [edit]
[-] workspace.rb [edit]
[-] notifier.rb [edit]
[-] frame.rb [edit]
[+] ..
[-] xmp.rb [edit]
[-] ruby-lex.rb [edit]
[-] init.rb [edit]
[-] output-method.rb [edit]
[-] inspector.rb [edit]
[-] ws-for-case-2.rb [edit]
[-] src_encoding.rb [edit]