1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
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
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
# frozen_string_literal: true
module Unparser
class Emitter
# Emitter for send to index references
class Index < self
private
def dispatch
emit_receiver
emit_operation
end
def emit_receiver
visit(first_child)
end
class Reference < self
define_group(:indices, 1..-1)
handle :index
private
def emit_operation
parentheses('[', ']') do
delimited(indices)
end
end
end # Reference
# Emitter for assign to index nodes
class Assign < self
handle :indexasgn
VALUE_RANGE = (1..-2).freeze
NO_VALUE_PARENT = %i[and_asgn op_asgn or_asgn].to_set.freeze
private_constant(*constants(false))
def emit_heredoc_reminders
emitter(children.last).emit_heredoc_reminders
end
def dispatch
emit_receiver
emit_operation(children[VALUE_RANGE])
write(' = ')
visit(children.last)
end
def emit_mlhs
emit_receiver
emit_operation(children.drop(1))
end
private
def emit_operation(indices)
parentheses('[', ']') do
delimited(indices)
end
end
end # Assign
end # Index
end # Emitter
end # Unparser
|
