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# frozen_string_literal: true
require_relative "../command"
module Byebug
#
# Edit a file from byebug's prompt.
#
class EditCommand < Command
self.allow_in_control = true
self.allow_in_post_mortem = true
def self.regexp
/^\s* ed(?:it)? (?:\s+(\S+))? \s*$/x
end
def self.description
<<-DESCRIPTION
edit[ file:lineno]
#{short_description}
With no argumnt, edits file containing most re line listed. Editing
targets can also be specified to start editing at a specific line in a
specific file
DESCRIPTION
end
def self.short_description
"Edits source files"
end
def execute
file, line = location(@match[1])
return edit_error("not_exist", file) unless File.exist?(file)
return edit_error("not_readable", file) unless File.readable?(file)
cmd = line ? "#{editor} +#{line} #{file}" : "#{editor} #{file}"
Kernel.system(cmd)
end
private
def location(matched)
if matched.nil?
file = frame.file
return errmsg(pr("edit.errors.state")) unless file
line = frame.line
elsif (@pos_match = /([^:]+)[:]([0-9]+)/.match(matched))
file, line = @pos_match.captures
else
file = matched
line = nil
end
[File.expand_path(file), line]
end
def editor
ENV["EDITOR"] || "vim"
end
def edit_error(type, file)
errmsg(pr("edit.errors.#{type}", file: file))
end
end
end
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