class Alda::CommandLineError

The error is raised when alda command exits with nonzero status.

Attributes

status[R]

The Process::Status object representing the status of the process that runs alda command.

Public Class Methods

new(status, msg=nil) → Alda::CommandLineError click to toggle source

Create a Alda::CommandLineError object. status is the status of the process running alda command (can be nil). msg is the output of alda command. port info is extracted from msg in Alda 1.

Calls superclass method

# File lib/alda-rb/error.rb, line 31
def initialize status, msg = nil
  if Alda.v1? && msg && /^\[(?<port>\d+)\]\sERROR\s(?<message>.*)$/ =~ msg
    super message
    @port = port.to_i
  else
    super msg
  end
  @status = status
end

Public Instance Methods

port() click to toggle source

The port on which the problematic alda server runs. This is only available for Alda 1.

begin
  Alda[port: 1108].play code: 'y'
rescue CommandLineError => e
  e.port # => 1108
end

# File lib/alda-rb/error.rb, line 19
def port
  Alda::GenerationError.assert_generation [:v1]
  @port
end