Module: Noraneko::NodeUtility

Included in:
Processor
Defined in:
lib/noraneko/node_utility.rb

Instance Method Summary collapse

Instance Method Details

#convert_to_hash(node) ⇒ Object 



19
20
21
22
23
24
25
26
27
 
# File 'lib/noraneko/node_utility.rb', line 19

def convert_to_hash(node)
  raise 'This is not hash expression' unless node.type == :hash
  node.children.each_with_object({}) do |pair, hash|
    key, value = pair.children
    if convertable?(key) && convertable?(value)
      hash[convert!(key)] = convert!(value)
    end
  end
end

#extract_consts(const_node, consts = []) ⇒ Object 



5
6
7
8
9
10
11
12
13
 
# File 'lib/noraneko/node_utility.rb', line 5

def extract_consts(const_node, consts = [])
  next_const_node, const_sym = const_node.children
  consts.unshift(const_sym)
  if next_const_node
    extract_consts(next_const_node, consts)
  else
    consts
  end
end

#extract_syms(nodes) ⇒ Object 



15
16
17
 
# File 'lib/noraneko/node_utility.rb', line 15

def extract_syms(nodes)
  nodes.map { |n| n.children.last }
end

#singleton_class?(node) ⇒ Boolean

Returns:

  • (Boolean) 


29
30
31
 
# File 'lib/noraneko/node_utility.rb', line 29

def singleton_class?(node)
  node&.children&.first&.type == :self
end