Class: Solargraph::Parser::ParserGem::NodeProcessors::OpasgnNode

Inherits:
NodeProcessor::Base show all
Defined in:
lib/solargraph/parser/parser_gem/node_processors/opasgn_node.rb

Instance Attribute Summary

Attributes inherited from NodeProcessor::Base

#locals, #node, #pins, #region

Instance Method Summary collapse

Methods inherited from NodeProcessor::Base

#initialize

Constructor Details

This class inherits a constructor from Solargraph::Parser::NodeProcessor::Base

Instance Method Details

#process ⇒ void

This method returns an undefined value.



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
 
# File 'lib/solargraph/parser/parser_gem/node_processors/opasgn_node.rb', line 11

def process
  # Parser::CurrentRuby.parse("a += 2")
  # => s(:op_asgn,
  #      s(:lvasgn, :a), :+,
  #      s(:int, 2))
  asgn = node.children[0]
  variable_name = asgn.children[0]
  operator = node.children[1]
  argument = node.children[2]
  # for lvasgn, gvasgn, cvasgn, convert to lvar, gvar, cvar
  # [6] pry(main)> Parser::CurrentRuby.parse("a = a + 1")
  # => s(:lvasgn, :a,
  #   s(:send,
  #     s(:lvar, :a), :+,
  #     s(:int, 1)))
  # [7] pry(main)>
  variable_reference_type = asgn.type.to_s.sub(/vasgn$/, 'var').to_sym
  variable_reference = node.updated(variable_reference_type, asgn.children)
  send_children = [
    variable_reference,
    operator,
    argument
  ]
  send_node = node.updated(:send, send_children)
  new_asgn = node.updated(asgn.type, [variable_name,  send_node])
  NodeProcessor.process(new_asgn, region, pins, locals)
end