util.lua

-- util.lua

local util = {}
local parser = require('parser')

function util.newEventHandler(parent, model)
 local obj = parent or require('controllers.Default')
 return function(event, args)
 if obj[event] then
 obj[event](model, args)
 else
 love.event.push(event, args)
 end
 end
end

function util.newParsedScript(rawScript)
 local parsedCommands = parser.parse(rawScript)
 if not parsedCommands then
 return nil
 end
 local parsed = {
 commands = parsedCommands
 }
 parsed.current = parsed.commands.top
 parsed.nextCommand = function()
 local command = parsed.current
 if command then
 parsed.current = command.next
 return command
 else
 return nil
 end
 end

 parsed.setCommand = function(command)
 parsed.current = command
 end

 return parsed
end

return util