Class: Rubic::Interpreter

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

Constant Summary collapse

DEFAULT_GLOBAL_VARS = 
{
  :not => -> (a) { !a },
  :eq? => -> (a, b) { a.equal? b },

  :true => true,
  :false => false,
  :nil => [],
}

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Interpreter

Returns a new instance of Interpreter.



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# File 'lib/rubic/interpreter.rb', line 16

def initialize
  @parser = Parser.new
  @global = Environment.new
  DEFAULT_GLOBAL_VARS.each {|k, v| @global[k] = v }
  builtins = Rubic::Builtin.constants.map {|c| Rubic::Builtin.const_get(c) }
  builtins.each {|ext| @global.extend(ext) }
end

Instance Method Details

#evaluate(str) ⇒ Object 



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# File 'lib/rubic/interpreter.rb', line 24

def evaluate(str)
  seq = @parser.parse(str)
  execute_sequence(seq, @global)
end