Class: Opal::Nodes::ArglistNode

Inherits:
Base
  • Object
show all
Defined in:
opal/lib/opal/nodes/arglist.rb

Overview

FIXME: needs rewrite

Instance Attribute Summary

Attributes inherited from Base

#compiler, #sexp, #type

Instance Method Summary collapse

Methods inherited from Base

#add_gvar, #add_ivar, #add_local, #add_temp, #children, children, #class_variable_owner, #class_variable_owner_nesting_level, #comments, #compile_to_fragments, #error, #expr, #expr?, #expr_or_nil, #fragment, handle, handlers, #has_rescue_else?, #helper, #in_ensure, #in_ensure?, #in_resbody, #in_resbody?, #in_rescue, #in_while?, #initialize, #process, #push, #recv, #recv?, #s, #scope, #source_location, #stmt, #stmt?, #top_scope, truthy_optimize?, #unshift, #while_loop, #with_temp, #wrap

Methods included from Helpers

#conditional_send, #current_indent, #empty_line, #indent, #js_truthy, #js_truthy_optimize, #line, #mid_to_jsid, #property, #valid_name?

Constructor Details

This class inherits a constructor from Opal::Nodes::Base

Instance Method Details

#compile ⇒ Object 



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
 
# File 'opal/lib/opal/nodes/arglist.rb', line 11

def compile
  code, work = [], []

  children.each do |current|
    splat = current.type == :splat
    arg = expr(current)

    if splat
      if work.empty?
        if code.empty?
          code << arg
        else
          code << fragment('.concat(') << arg << fragment(')')
        end
      else
        if code.empty?
          code << fragment('[') << work << fragment(']')
        else
          code << fragment('.concat([') << work << fragment('])')
        end

        code << fragment('.concat(') << arg << fragment(')')
      end

      work = []
    else
      work << fragment(', ') unless work.empty?
      work << arg
    end
  end

  unless work.empty?
    join = work

    if code.empty?
      code = join
    else
      code << fragment('.concat([') << join << fragment('])')
    end
  end

  push(*code)
end