Class: Melbourne::AST::MAsgn

Inherits:
Node
  • Object
show all
Defined in:
lib/melbourne/ast/variables.rb

Overview

An assignment of multiple values as in:

a, b = 1, 2

Instance Attribute Summary collapse

Attributes inherited from Node

#line

Instance Method Summary collapse

Methods inherited from Node

#ascii_graph

Constructor Details

#initialize(line, left, right, splat) ⇒ MAsgn

Returns a new instance of MAsgn.



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# File 'lib/melbourne/ast/variables.rb', line 215

def initialize(line, left, right, splat)
  @line = line
  @left = left
  @right = right
  @splat = nil
  @block = nil # support for |&b|

  @fixed = right.kind_of?(ArrayLiteral) ? true : false

  if splat.kind_of? Node
    if @left
      if right
        @splat = SplatAssignment.new line, splat
      else
        @splat = SplatWrapped.new line, splat
      end
    elsif @fixed
      @splat = SplatArray.new line, splat, right.body.size
    elsif right.kind_of? SplatValue
      @splat = splat
    else
      @splat = SplatWrapped.new line, splat
    end
  elsif splat and @fixed
    @splat = EmptySplat.new line, right.body.size
  end
end

Instance Attribute Details

#block ⇒ Object

TODO: document!



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# File 'lib/melbourne/ast/variables.rb', line 213

def block
  @block
end

#left ⇒ Object

The left side of the assignment



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# File 'lib/melbourne/ast/variables.rb', line 203

def left
  @left
end

#right ⇒ Object

The right side of the assignment



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# File 'lib/melbourne/ast/variables.rb', line 207

def right
  @right
end

#splat ⇒ Object

TODO: document!



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# File 'lib/melbourne/ast/variables.rb', line 210

def splat
  @splat
end

Instance Method Details

#iter_arguments ⇒ Object 



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# File 'lib/melbourne/ast/variables.rb', line 243

def iter_arguments
  @iter_arguments = true
end