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Contents
# frozen_string_literal: true
require "pathname"
require_relative "../command"
require_relative "../helpers/frame"
module Byebug
#
# Show current backtrace.
#
class WhereCommand < Command
include Helpers::FrameHelper
self.allow_in_post_mortem = true
def self.regexp
/^\s* (?:w(?:here)?|bt|backtrace) \s*$/x
end
def self.description
<<-DESCRIPTION
w[here]|bt|backtrace
#{short_description}
Print the entire stack frame. Each frame is numbered; the most recent
frame is 0. A frame number can be referred to in the "frame" command.
"up" and "down" add or subtract respectively to frame numbers shown.
The position of the current frame is marked with -->. C-frames hang
from their most immediate Ruby frame to indicate that they are not
navigable.
DESCRIPTION
end
def self.short_description
"Displays the backtrace"
end
def execute
print_backtrace
end
private
def print_backtrace
bt = prc("frame.line", (0...context.stack_size)) do |_, index|
Frame.new(context, index).to_hash
end
print(bt)
end
end
end
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