Class: Rips::Assembler

Inherits:
Object
  • Object
show all
Defined in:
lib/rips/assembler.rb

Instance Method Summary collapse

Constructor Details

#initialize(debug) ⇒ Assembler

@debug: switch to show trace in console @input: array with assembly instructions @output: array with coded instructions @cmd: line split on tokens (name + arguments) @instruction: instruction instance @instructions: array with line for each instruction @labels: name and number line of label @line: number of file’s line



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# File 'lib/rips/assembler.rb', line 22

def initialize (debug)
  @debug = debug
  @input = []
  @output = []
  @cmd = {}
  @instruction
  @instructions = [] 
  @labels = {}
  @line = 1  
end

Instance Method Details

#<<(value) ⇒ Object

Stores each new line of file



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# File 'lib/rips/assembler.rb', line 141

def << (value)
  @input << value.strip
end

#run(path = "progfile.dat") ⇒ Object

Analyze and translate each instruction



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# File 'lib/rips/assembler.rb', line 146

def run (path = "progfile.dat")
  find_instructions
  find_labels

  @input.each do |line|
    if (line.instruction?) || (line.comment?)
      parse_input(line)
      @instruction = nil
      # If it's a comment -> show but not work with it
      if line.instruction?
        
        exists_instruction?
        parse_label
        argument_size?
        argument_syntax?

        @instruction.set_arguments(@cmd[:arguments])
        @output << @instruction.code
      end
      show(@output.size-1) if @debug
    end
    @line += 1
  end
  generate(path)
end