Class: Mapleseed::Base

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

Overview

loads and interprets Whirl code

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Base

initialize the interpreter



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# File 'lib/mapleseed.rb', line 8

def initialize
	@interpreter = Interpreter.new
end

Instance Method Details

#load_file(file_path) ⇒ Object

load code from a file and run it



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# File 'lib/mapleseed.rb', line 18

def load_file(file_path)
	code = File.open(file_path) { |f| f.read }
	run(code)
end

#repl ⇒ Object

interactive read-evaluate-print loop



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# File 'lib/mapleseed.rb', line 24

def repl
	puts "'exit' or Ctrl-X leaves the REPL"
	puts "'op' gives information about the operation ring position and value"
	puts "'math' gives information about the math ring position and value"
	puts "'mem' gives information about the current cell of memory"
	puts "'reset' clears the memory and resets the rings"
	while true
		puts ""
		print "mapleseed> "
		input = gets.chomp
		case input
		when "exit", 24.chr
			puts "Exiting"
			break
		when "op"
			puts "Operations Ring:" 
			puts "Position: #{@interpreter.op_ring.position} Value: #{@interpreter.op_ring.value}"
			dir = ""
			@interpreter.op_ring.direction == 1 ? dir = "Clockwise" : dir = "Counter-clockwise"
			puts "Direction: #{dir} Current operation: #{@interpreter.op_ring.commands[@interpreter.op_ring.position].to_s}"
		when "math"
			puts "Math Ring:" 
			puts "Position: #{@interpreter.math_ring.position} Value: #{@interpreter.math_ring.value}"
			dir = ""
			@interpreter.math_ring.direction == 1 ? dir = "Clockwise" : dir = "Counter-clockwise"
			puts "Direction: #{dir} Current operation: #{@interpreter.math_ring.commands[@interpreter.math_ring.position].to_s}"
		when "mem"
			puts "Cell: #{@interpreter.memory_position} Value: #{@interpreter.memory.get(@interpreter.memory_position)}"
		when "reset"
			@interpreter.initialize_environment
		else
			@interpreter.run(input)
		end
	end
end

#run(code) ⇒ Object

run the given code



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# File 'lib/mapleseed.rb', line 13

def run(code)
	@interpreter.run(code)
end