Class: Puppet::Parser::Methods::Method

Inherits:

Object

• Object
• Puppet::Parser::Methods::Method

Defined in:

lib/puppet/parser/methods.rb

Overview

Represents an invokable method configured to be invoked for a given object.

Since:

• 3.2

Instance Method Summary

• #initialize(receiver, obj, method_name, rvalue) ⇒ Method constructor

  A new instance of Method.

• #invoke(scope, args = [], pblock = nil) ⇒ Object

  Invoke this method’s function in the given scope with the given arguments and parameterized block.

• #is_rvalue? ⇒ Boolean

  Whether the method function produces an rvalue or not.

Constructor Details

#initialize(receiver, obj, method_name, rvalue) ⇒ Method

Returns a new instance of Method.

Since:

• 3.2

# File 'lib/puppet/parser/methods.rb', line 24

def initialize(receiver, obj, method_name, rvalue)
  @receiver = receiver
  @o = obj
  @method_name = method_name
  @rvalue = rvalue
end

Instance Method Details

#invoke(scope, args = [], pblock = nil) ⇒ Object

Invoke this method’s function in the given scope with the given arguments and parameterized block. A method call on the form:

$a.meth(1,2,3) {|...| ...}

results in the equivalent:

meth($a, 1, 2, 3, {|...| ... })

Parameters:

• scope (Puppet::Parser::Scope) —

  the scope the call takes place in

• args (Array<Object>) (defaults to: []) —

  arguments 1..n to pass to the function

• pblock (Puppet::Parser::AST::Lambda) (defaults to: nil) —

  optional parameterized block to pass as the last argument to the called function

Since:

• 3.2

# File 'lib/puppet/parser/methods.rb', line 45

def invoke(scope, args=[], pblock=nil)
  arguments = [@o] + args
  arguments << pblock if pblock
  @receiver.send(@method_name, arguments)
end

#is_rvalue? ⇒ Boolean

Returns whether the method function produces an rvalue or not.

Returns:

• (Boolean) —

  whether the method function produces an rvalue or not.

Since:

• 3.2

# File 'lib/puppet/parser/methods.rb', line 52

def is_rvalue?
  @rvalue
end