Class: NaturalDSL::Command

Inherits:
Object
  • Object
show all
Defined in:
lib/natural_dsl/command.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name) ⇒ Command

Returns a new instance of Command.



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# File 'lib/natural_dsl/command.rb', line 12

def initialize(name)
  @name = name
end

Instance Attribute Details

#execution_block ⇒ Object (readonly)

Returns the value of attribute execution_block.



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# File 'lib/natural_dsl/command.rb', line 10

def execution_block
  @execution_block
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/natural_dsl/command.rb', line 10

def name
  @name
end

Class Method Details

.build(command_name, &block) ⇒ Object 



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# File 'lib/natural_dsl/command.rb', line 6

def self.build(command_name, &block)
  new(command_name).build(&block)
end

Instance Method Details

#build(&block) ⇒ Object 



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# File 'lib/natural_dsl/command.rb', line 16

def build(&block)
  tap do |command|
    command.instance_eval(&block)

    invalid_expectations = command.expectations[0..-2].select(&:with_value?)
    if invalid_expectations.any?
      raise "Command #{command.name} attempts to consume value after #{invalid_expectations.first}"
    end
  end
end

#expectations ⇒ Object 



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# File 'lib/natural_dsl/command.rb', line 31

def expectations
  @expectations ||= []
end

#run(vm) ⇒ Object 



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# File 'lib/natural_dsl/command.rb', line 27

def run(vm)
  CommandRunner.new(self, vm).run
end