Class: DiceBag::Normalize

Inherits:
Object
  • Object
show all
Defined in:
lib/dicebag/normalize.rb

Overview

Encapsulate the Normalization Process

This takes the parsed tree, AFTER it has been through the Transform class, and massages the data a bit more, to ease the iteration that happens in the Roll class. It will convert all values into the correct *Part classes.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(ast) ⇒ Normalize

Returns a new instance of Normalize.



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# File 'lib/dicebag/normalize.rb', line 17

def initialize(ast)
  # ASTs that only have a :start section will be a single array by
  # itself, with the first element being `:start`, so we need to
  # wrap it once more.
  ast = [ast] unless ast.first.is_a? Array

  @ast = ast
end

Instance Attribute Details

#ast ⇒ Object (readonly)

The Abstract Source Tree



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# File 'lib/dicebag/normalize.rb', line 11

def ast
  @ast
end

Class Method Details

.call(ast) ⇒ Object 



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# File 'lib/dicebag/normalize.rb', line 13

def self.call(ast)
  new(ast).perform
end

Instance Method Details

#perform ⇒ Object 



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# File 'lib/dicebag/normalize.rb', line 26

def perform
  ast.map { |part| normalize part }
end