Class: Coypond::Parser

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Parser

Returns a new instance of Parser.



6
7
8
9
10
 
# File 'lib/coypond/parser.rb', line 6

def initialize
  @classes = {}
  @modules = {}
  @methods = {}
end

Instance Attribute Details

#classes ⇒ Object (readonly)

Returns the value of attribute classes.



4
5
6
 
# File 'lib/coypond/parser.rb', line 4

def classes
  @classes
end

#methods ⇒ Object (readonly)

Returns the value of attribute methods.



4
5
6
 
# File 'lib/coypond/parser.rb', line 4

def methods
  @methods
end

#modules ⇒ Object (readonly)

Returns the value of attribute modules.



4
5
6
 
# File 'lib/coypond/parser.rb', line 4

def modules
  @modules
end

Instance Method Details

#extract_ref(type, *tail) ⇒ Object 



12
13
14
15
16
17
18
19
20
21
 
# File 'lib/coypond/parser.rb', line 12

def extract_ref(type, *tail)
  case type
  when :const_path_ref
    var_ref = extract_ref(*(tail.first)).first
    name, location = extract_const_and_location(tail[1])
    return [[var_ref, name].join("::"), location]
  else
    return extract_const_and_location(tail.first)
  end
end

#parse(parse_tree, prefix = nil) ⇒ Object 



23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
 
# File 'lib/coypond/parser.rb', line 23

def parse(parse_tree, prefix=nil)
  return self unless parse_tree.is_a? Array
  case parse_tree.first
  when :module
    name, location = extract_ref(*(parse_tree[1]))
    prefix = [prefix, name].compact.join("::")
    @modules[prefix] = location
    parse_tree[2..-1].each do |pt|
      parse(pt, prefix)
    end
  when :class
    name, location = extract_ref(*(parse_tree[1]))
    prefix = [prefix, name].compact.join("::")
    @classes[prefix] = location
    parse_tree[2..-1].each do |pt|
      parse(pt, prefix)
    end
  when :def
    name, location = extract_const_and_location(parse_tree[1])
    prefix = [prefix, name].compact.join("#")
    @methods[prefix] = location
  else
    parse_tree[1..-1].each do |pt|
      parse(pt, prefix)
    end
  end
  return self
end