pry/lib/pry/commands/edit/file_and_line_locator.rb

48 lines
1.4 KiB
Ruby

# frozen_string_literal: true
class Pry
class Command
class Edit
module FileAndLineLocator
class << self
def from_binding(target)
if target.respond_to?(:source_location)
target.source_location
else
[target.eval("__FILE__"), target.eval("__LINE__")]
end
end
def from_code_object(code_object, filename_argument)
unless File.exist?(code_object.source_file.to_s)
raise CommandError, "Cannot find a file for #{filename_argument}!"
end
[code_object.source_file, code_object.source_line]
end
def from_exception(exception, backtrace_level)
raise CommandError, "No exception found." if exception.nil?
file_name, line = exception.bt_source_location_for(backtrace_level)
raise CommandError, "Exception has no associated file." if file_name.nil?
if Pry.eval_path == file_name
raise CommandError, "Cannot edit exceptions raised in REPL."
end
[file_name, line]
end
# when file and line are passed as a single arg, e.g my_file.rb:30
def from_filename_argument(filename_argument)
f = File.expand_path(filename_argument)
l = f.sub!(/:(\d+)$/, "") ? Regexp.last_match(1).to_i : 1
[f, l]
end
end
end
end
end
end