{child} = require 'child_process'
{XRegExp} = require 'xregexp'
path = require 'path'
{Range, Point, BufferedProcess, BufferedNodeProcess} = require 'atom'

# Public: The base class for linters.
# Subclasses must at a minimum define the attributes syntax, cmd, and regex.
class Linter

  # The syntax that the linter handles. May be a string or
  # list/tuple of strings. Names should be all lowercase.
  @syntax: ''

  # A string, list, tuple or callable that returns a string, list or tuple,
  # containing the command line (with arguments) used to lint.
  cmd: ''

  # A regex pattern used to extract information from the executable's output.
  # regex should construct match results for the following keys
  #
  # message: the message to show in the linter views (required)
  # line: the line number on which to mark error (required if not lineStart)
  # lineStart: the line number to start the error mark (optional)
  # lineEnd: the line number on end the error mark (optional)
  # col: the column on which to mark, will utilize syntax scope to higlight the
  #      closest matching syntax element based on your code syntax (optional)
  # colStart: column to on which to start a higlight (optional)
  # colEnd: column to end highlight (optional)
  regex: ''

  regexFlags: ''

  # current working directory, overridden in linters that need it
  cwd: null

  defaultLevel: 'error'

  linterName: null

  executablePath: null

  isNodeExe  isNodeExe  isNodeExe  isNodeExe  isNodeExe  isNodeExe  isNodeExe  isNosing it's base editor
  constructor: (@editor) ->
    @cwd = path.dirname(editor.getUri())

  # Private: get command and args for atom.BufferedProcess for e  # Private: get command and args for atom.BufferedProcess  # here g  # Private: get command and args for atom.BufferedProcess fmd_list = cmd.split(' ').concat [filePath]

    if @executablePath
      cmd_list[0] = #{@executablePath}/#{cmd_list[0]}

    # if there are @fi
Minor corrections for error handling.