Class: SyntaxTree::VarAlias

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

Overview

VarAlias represents when you’re using the alias keyword with global variable arguments.

alias $new $old

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(left:, right:, location:, comments: []) ⇒ VarAlias

Returns a new instance of VarAlias.



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# File 'lib/syntax_tree.rb', line 12864

def initialize(left:, right:, location:, comments: [])
  @left = left
  @right = right
  @location = location
  @comments = comments
end

Instance Attribute Details

#comments ⇒ Object (readonly)

Array[ Comment | EmbDoc ]

the comments attached to this node



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# File 'lib/syntax_tree.rb', line 12862

def comments
  @comments
end

#left ⇒ Object (readonly)

GVar

the new alias of the variable



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# File 'lib/syntax_tree.rb', line 12853

def left
  @left
end

#location ⇒ Object (readonly)

Location

the location of this node



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# File 'lib/syntax_tree.rb', line 12859

def location
  @location
end

#right ⇒ Object (readonly)

Backref | GVar

the current name of the variable to be aliased



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# File 'lib/syntax_tree.rb', line 12856

def right
  @right
end

Instance Method Details

#child_nodes ⇒ Object 



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# File 'lib/syntax_tree.rb', line 12871

def child_nodes
  [left, right]
end

#format(q) ⇒ Object 



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# File 'lib/syntax_tree.rb', line 12875

def format(q)
  keyword = "alias "

  q.text(keyword)
  q.format(left)
  q.text(" ")
  q.format(right)
end

#pretty_print(q) ⇒ Object 



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# File 'lib/syntax_tree.rb', line 12884

def pretty_print(q)
  q.group(2, "(", ")") do
    q.text("var_alias")

    q.breakable
    q.pp(left)

    q.breakable
    q.pp(right)

    q.pp(Comment::List.new(comments))
  end
end

#to_json(*opts) ⇒ Object 



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# File 'lib/syntax_tree.rb', line 12898

def to_json(*opts)
  {
    type: :var_alias,
    left: left,
    right: right,
    loc: location,
    cmts: comments
  }.to_json(*opts)
end