Class: Lolcode::VM

Inherits:
Object
  • Object
show all
Includes:
Translator
Defined in:
lib/lolcode/vm.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Translator

#translate

Constructor Details

#initialize(options = {}) ⇒ VM

Returns a new instance of VM.



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# File 'lib/lolcode/vm.rb', line 9

def initialize(options={})
  reset_all
  $stdout.sync = true
  $stderr.sync = true
  self.verbose = options[:verbose] || false
end

Instance Attribute Details

#block_level ⇒ Object

Returns the value of attribute block_level.



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# File 'lib/lolcode/vm.rb', line 7

def block_level
  @block_level
end

#buffer ⇒ Object

Returns the value of attribute buffer.



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# File 'lib/lolcode/vm.rb', line 7

def buffer
  @buffer
end

#started ⇒ Object

Returns the value of attribute started.



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# File 'lib/lolcode/vm.rb', line 7

def started
  @started
end

#verbose ⇒ Object

Returns the value of attribute verbose.



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# File 'lib/lolcode/vm.rb', line 7

def verbose
  @verbose
end

Instance Method Details

#flush ⇒ Object

Flush the buffer



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# File 'lib/lolcode/vm.rb', line 49

def flush
  run('')
end

#run(line) ⇒ Object 



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# File 'lib/lolcode/vm.rb', line 16

def run(line)
  puts "[INFO] Orig line: #{line}" if self.verbose

  (start; return) if line =~ /^HAI\b.*/    # start VM
  (halt; return) if line =~ /^KTHXBYE\b.*/ # halt VM
  return unless started?

  # TODO: comma in the string shouldn't be splited
  ruby_line = line.split(',').collect do |l|
    translate(l)
  end.join(';')

  puts "[INFO] Ruby code: #{ruby_line}" if self.verbose

  self.buffer << ruby_line
  return if open_block?

  res = nil
  begin
    puts "[INFO] Eval code: #{self.buffer}" if self.verbose
    res = eval self.buffer
    reset_buffer
  rescue
    puts "[ERROR] Exec Error: #{line}"
  end

  $stdout.flush
  $stderr.flush

  res
end

#started? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/lolcode/vm.rb', line 53

def started?
  self.started
end