Class: SyntaxTree::LoopFormatter

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

Overview

Formats an Until, UntilMod, While, or WhileMod node.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(keyword, node, statements) ⇒ LoopFormatter

Returns a new instance of LoopFormatter.



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# File 'lib/syntax_tree.rb', line 11910

def initialize(keyword, node, statements)
  @keyword = keyword
  @node = node
  @statements = statements
end

Instance Attribute Details

#keyword ⇒ Object (readonly)

String

the name of the keyword used for this loop



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# File 'lib/syntax_tree.rb', line 11902

def keyword
  @keyword
end

#node ⇒ Object (readonly)

Until | UntilMod | While | WhileMod

the node that is being formatted



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# File 'lib/syntax_tree.rb', line 11905

def node
  @node
end

#statements ⇒ Object (readonly)

untyped

the statements associated with the node



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# File 'lib/syntax_tree.rb', line 11908

def statements
  @statements
end

Instance Method Details

#format(q) ⇒ Object 



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# File 'lib/syntax_tree.rb', line 11916

def format(q)
  q.group do
    q.if_break do
      q.text("#{keyword} ")
      q.nest(keyword.length + 1) { q.format(node.predicate) }
      q.indent do
        q.breakable("")
        q.format(statements)
      end
      q.breakable("")
      q.text("end")
    end.if_flat do
      q.format(statements)
      q.text(" #{keyword} ")
      q.format(node.predicate)
    end
  end
end