Class: MODL::Interpreter

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

Overview

This is the main Ruby Interpreter entry point. Supply a String containing MODL text and it will return a String containing the JSON equivalent. The JSON isn’t pretty-printed unless pretty is true

Class Method Summary collapse

Class Method Details

.interpret(str, pretty = false) ⇒ Object 



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# File 'lib/modl/parser/interpreter.rb', line 17

def self.interpret(str, pretty = false)
  # Parse the MODL string into a MODL::Parser::Parsed object.
  parsed = MODL::Parser::Parser.parse str

  # Convert the Parsed object into a simpler structure of and Array or Hash
  interpreted = parsed.extract_hash

  # Process any class definitions used by the MODL file.
  MODL::Parser::ClassProcessor.process(parsed.global, interpreted)
  MODL::Parser::InstructionProcessor.process(parsed.global, interpreted)
  # If the result is a simple string then just return it.
  return interpreted if interpreted.is_a? String

  # Otherwise generate a JSON string.
  if pretty
    JSON.pretty_generate interpreted
  else
    JSON.generate interpreted
  end
end