Class: X86Assembler::Operand

Inherits:
Object
  • Object
show all
Defined in:
lib/rmasm/x86/x86_assembler.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#type ⇒ Object

Returns the value of attribute type.



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# File 'lib/rmasm/x86/x86_assembler.rb', line 45

def type
  @type
end

#value ⇒ Object

Returns the value of attribute value.



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# File 'lib/rmasm/x86/x86_assembler.rb', line 45

def value
  @value
end

Class Method Details

.parse(*expr_list) ⇒ Object 



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# File 'lib/rmasm/x86/x86_assembler.rb', line 47

def self.parse(*expr_list)
  ops = []
  expr_list.each do |expr|
    op = Operand.new
    ops << op
    op.value = expr
    # Is expression an immediate value
    if expr.is_a?(Integer)
      op.type = :imm                                  # todo, check value size
    elsif expr.is_a?(RMasm::Register)
      op.type = :register
    elsif expr.is_a?(Symbol)
      op.type = :label;
    elsif expr.is_a?(String)
      op.type = :string;
    else
      op.type = :addr
      # else we have an address or an invalid expression
      if expr.is_a?(RMasm::Modifier)

      elsif expr.is_a?(Array)

      else
        RMasm::Report.error("Unexpected expression found #{expr.inspect}")
      end
    end
  end
  ops
end

Instance Method Details

#to_s ⇒ Object 



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# File 'lib/rmasm/x86/x86_assembler.rb', line 77

def to_s()
  "Op type=#{@type} value=#{value}"
end