Class: SyntaxTree::Begin

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

Overview

Begin represents a begin..end chain.

begin
  value
end

Instance Attribute Summary collapse

Attributes inherited from Node

#location

Instance Method Summary collapse

Methods inherited from Node

#construct_keys, #end_char, #pretty_print, #start_char, #to_json, #to_mermaid

Constructor Details

#initialize(bodystmt:, location:) ⇒ Begin

Returns a new instance of Begin.



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# File 'lib/syntax_tree/node.rb', line 1879

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

Instance Attribute Details

#bodystmt ⇒ Object (readonly)

BodyStmt

the bodystmt that contains the contents of this begin block



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# File 'lib/syntax_tree/node.rb', line 1874

def bodystmt
  @bodystmt
end

#comments ⇒ Object (readonly)

Array[ Comment | EmbDoc ]

the comments attached to this node



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# File 'lib/syntax_tree/node.rb', line 1877

def comments
  @comments
end

Instance Method Details

#===(other) ⇒ Object 



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# File 'lib/syntax_tree/node.rb', line 1924

def ===(other)
  other.is_a?(Begin) && bodystmt === other.bodystmt
end

#accept(visitor) ⇒ Object 



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# File 'lib/syntax_tree/node.rb', line 1885

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

#child_nodes ⇒ Object Also known as: deconstruct 



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# File 'lib/syntax_tree/node.rb', line 1889

def child_nodes
  [bodystmt]
end

#copy(bodystmt: nil, location: nil) ⇒ Object 



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# File 'lib/syntax_tree/node.rb', line 1893

def copy(bodystmt: nil, location: nil)
  node =
    Begin.new(
      bodystmt: bodystmt || self.bodystmt,
      location: location || self.location
    )

  node.comments.concat(comments.map(&:copy))
  node
end

#deconstruct_keys(_keys) ⇒ Object 



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# File 'lib/syntax_tree/node.rb', line 1906

def deconstruct_keys(_keys)
  { bodystmt: bodystmt, location: location, comments: comments }
end

#format(q) ⇒ Object 



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# File 'lib/syntax_tree/node.rb', line 1910

def format(q)
  q.text("begin")

  unless bodystmt.empty?
    q.indent do
      q.breakable_force unless bodystmt.statements.empty?
      q.format(bodystmt)
    end
  end

  q.breakable_force
  q.text("end")
end