Class: Lomic::LomicParser

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

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ LomicParser

Returns a new instance of LomicParser.



5
6
7
8
9
10
11
 
# File 'lib/lomic/LomicParser.rb', line 5

def initialize
  # points to the Rule that is currently being parsed
  @currentRule = nil
  # The entire state of the game
  @state = GameState.new
  @first_rule = true
end

Class Method Details

.load_source(filename) ⇒ Object 



42
43
44
45
46
 
# File 'lib/lomic/LomicParser.rb', line 42

def self.load_source(filename)
  dsl = new
  dsl.instance_eval(File.read(filename),filename)
  dsl.gamestate
end

Instance Method Details

#event(event_name, options = {}, &block) ⇒ Object 



34
35
36
 
# File 'lib/lomic/LomicParser.rb', line 34

def event(event_name, options={}, &block)
  @currentRule.event(event_name, options, &block)
end

#gamestate ⇒ Object 



38
39
40
 
# File 'lib/lomic/LomicParser.rb', line 38

def gamestate
  @state
end

#rule(number) ⇒ Object 



13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
 
# File 'lib/lomic/LomicParser.rb', line 13

def rule(number)
  # TODO: ensure number is int
  @currentRule = Rule.new(number)
  if @first_rule
    begin
      @state.globals = instance_eval 'Globals.new'
    rescue
      # No Globals class was declared. Create one
      instance_eval "class Globals < LomicBase
                     end"
      @state.globals = instance_eval 'Globals.new'
    end
    @first_rule = false
  end
  
  yield @state.globals
ensure
  @state.addRule(@currentRule)
  @currentRule = nil
end