/usr/lib/ruby/vendor_ruby/pry/commands/cat/exception_formatter.rb is in pry 0.10.3-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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class Command::Cat
class ExceptionFormatter < AbstractFormatter
attr_reader :ex
attr_reader :opts
attr_reader :_pry_
def initialize(exception, _pry_, opts)
@ex = exception
@opts = opts
@_pry_ = _pry_
end
def format
check_for_errors
set_file_and_dir_locals(backtrace_file, _pry_, _pry_.current_context)
code = decorate(Pry::Code.from_file(backtrace_file).
between(*start_and_end_line_for_code_window).
with_marker(backtrace_line))
"#{header}#{code}"
end
private
def code_window_size
_pry_.config.default_window_size || 5
end
def backtrace_level
return @backtrace_level if @backtrace_level
bl = if opts[:ex].nil?
ex.bt_index
else
ex.bt_index = absolute_index_number(opts[:ex], ex.backtrace.size)
end
increment_backtrace_level
@backtrace_level = bl
end
def increment_backtrace_level
ex.inc_bt_index
end
def backtrace_file
Array(ex.bt_source_location_for(backtrace_level)).first
end
def backtrace_line
Array(ex.bt_source_location_for(backtrace_level)).last
end
def check_for_errors
raise CommandError, "No exception found." unless ex
raise CommandError, "The given backtrace level is out of bounds." unless backtrace_file
end
def start_and_end_line_for_code_window
start_line = backtrace_line - code_window_size
start_line = 1 if start_line < 1
[start_line, backtrace_line + code_window_size]
end
def header
unindent %{
#{Helpers::Text.bold 'Exception:'} #{ex.class}: #{ex.message}
--
#{Helpers::Text.bold('From:')} #{backtrace_file} @ line #{backtrace_line} @ #{Helpers::Text.bold("level: #{backtrace_level}")} of backtrace (of #{ex.backtrace.size - 1}).
}
end
end
end
end
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