Class: SyntaxTree::Assign

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

Overview

Assign represents assigning something to a variable or constant. Generally, the left side of the assignment is going to be any node that ends with the name “Field”.

variable = value

Instance Attribute Summary collapse

Attributes inherited from Node

#location

Instance Method Summary collapse

Methods inherited from Node

#pretty_print, #to_json

Constructor Details

#initialize(target:, value:, location:, comments: []) ⇒ Assign

Returns a new instance of Assign.



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# File 'lib/syntax_tree/node.rb', line 1061

def initialize(target:, value:, location:, comments: [])
  @target = target
  @value = value
  @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/node.rb', line 1059

def comments
  @comments
end

#target ⇒ Object (readonly)

ARefField | ConstPathField | Field | TopConstField | VarField

the target

to assign the result of the expression to



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# File 'lib/syntax_tree/node.rb', line 1053

def target
  @target
end

#value ⇒ Object (readonly)

untyped

the expression to be assigned



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# File 'lib/syntax_tree/node.rb', line 1056

def value
  @value
end

Instance Method Details

#accept(visitor) ⇒ Object 



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# File 'lib/syntax_tree/node.rb', line 1068

def accept(visitor)
  visitor.visit_assign(self)
end

#child_nodes ⇒ Object Also known as: deconstruct 



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# File 'lib/syntax_tree/node.rb', line 1072

def child_nodes
  [target, value]
end

#deconstruct_keys(keys) ⇒ Object 



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# File 'lib/syntax_tree/node.rb', line 1078

def deconstruct_keys(keys)
  { target: target, value: value, location: location, comments: comments }
end

#format(q) ⇒ Object 



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# File 'lib/syntax_tree/node.rb', line 1082

def format(q)
  q.group do
    q.format(target)
    q.text(" =")

    if skip_indent?
      q.text(" ")
      q.format(value)
    else
      q.indent do
        q.breakable
        q.format(value)
      end
    end
  end
end