class Vm::Translator
Public Class Methods
new(text, object_name)
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# File lib/hackasm/vm/translator.rb, line 7 def initialize(text, object_name) @text = text @object_name = object_name end
Public Instance Methods
translate()
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# File lib/hackasm/vm/translator.rb, line 12 def translate expressions = parser.parse(@text) expressions.map do |expression| process_instruction(expression) end.compact.join("\n") << "\n" rescue Parslet::ParseFailed => failure failure.parse_failure_cause.ascii_tree end
Private Instance Methods
expressions()
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# File lib/hackasm/vm/translator.rb, line 42 def expressions @expressions ||= parser.parse(@text) end
parser()
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# File lib/hackasm/vm/translator.rb, line 38 def parser @parser ||= VmCodeParser.new end
process_instruction(instruction)
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# File lib/hackasm/vm/translator.rb, line 23 def process_instruction(instruction) instruction_name = instruction.keys.first instruction_body = instruction.values.first case instruction_name when :arithmetic_instruction Instructions::ArithmeticInstruction.new(instruction_body).to_asm when :memory_access_instruction Instructions::MemoryAccessInstruction.new(instruction_body, @object_name).to_asm when :jump_label nil else raise "Unknown instruction!" end end