Class: Tataru::InstructionHash

Inherits:
Object
  • Object
show all
Defined in:
lib/tataru/instruction_hash.rb

Overview

representation of a set of instructions

Instance Method Summary collapse

Constructor Details

#initialize(thehash) ⇒ InstructionHash

Returns a new instance of InstructionHash.



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# File 'lib/tataru/instruction_hash.rb', line 6

def initialize(thehash)
  @thehash = thehash
end

Instance Method Details

#init_instruction ⇒ Object 



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# File 'lib/tataru/instruction_hash.rb', line 42

def init_instruction
  init = Tataru::Instructions::InitInstruction.new

  inithash = @thehash[:init]
  if inithash
    %i[remote_ids outputs deleted rom labels].each do |member|
      init.send(:"#{member}=", inithash[member]) if inithash.key? member
    end
  end
  init
end

#instruction_for(action) ⇒ Object 



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# File 'lib/tataru/instruction_hash.rb', line 33

def instruction_for(action)
  instr_const = "#{action}_instruction".camelize
  unless Tataru::Instructions.const_defined? instr_const
    raise "Unknown instruction '#{action}'"
  end

  Tataru::Instructions.const_get(instr_const)
end

#instruction_list ⇒ Object 



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# File 'lib/tataru/instruction_hash.rb', line 10

def instruction_list
  @instruction_list ||= instructions
end

#instructions ⇒ Object 



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# File 'lib/tataru/instruction_hash.rb', line 18

def instructions
  return [] unless @thehash[:instructions]

  @thehash[:instructions].map do |action|
    if action == :init
      init_instruction
    elsif action.is_a? Hash
      # immediate mode instruction
      instruction_for(action.keys[0]).new(action.values[0])
    else
      instruction_for(action).new
    end
  end.to_a
end

#to_h ⇒ Object 



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# File 'lib/tataru/instruction_hash.rb', line 14

def to_h
  @thehash
end