# frozen_string_literal: true
#
# ronin-code-asm - A Ruby DSL for crafting Assembly programs and shellcode.
#
# Copyright (c) 2007-2022 Hal Brodigan (postmodern.mod3 at gmail.com)
#
# ronin-code-asm is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# ronin-code-asm is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with ronin-code-asm. If not, see .
#
require 'ronin/code/asm/immediate_operand'
module Ronin
module Code
module ASM
#
# Represents an instruction.
#
class Instruction < Struct.new(:name, :operands)
#
# Initializes the instruction.
#
# @param [Symbol] name
# The instruction name.
#
# @param [Array] operands
# Operands for the instruction.
#
def initialize(name,operands)
operands = operands.map do |value|
case value
when Integer, nil then ImmediateOperand.new(value)
else value
end
end
super(name,operands)
end
#
# The word size of the instruction.
#
# @return [Integer, nil]
# The word size in bytes.
#
def width
self.operands.map { |op|
op.width if op.respond_to?(:width)
}.compact.max
end
end
end
end
end