Class: SyntaxTree::BlockFormatter

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

Overview

Responsible for formatting either a BraceBlock or a DoBlock.

Defined Under Namespace

Classes: BlockOpenFormatter

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(node, block_open, statements) ⇒ BlockFormatter

Returns a new instance of BlockFormatter.



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# File 'lib/syntax_tree.rb', line 2691

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

Instance Attribute Details

#block_open ⇒ Object (readonly)

LBrace | Keyword

the node that opens the block



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# File 'lib/syntax_tree.rb', line 2686

def block_open
  @block_open
end

#node ⇒ Object (readonly)

BraceBlock | DoBlock

the block node to be formatted



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# File 'lib/syntax_tree.rb', line 2683

def node
  @node
end

#statements ⇒ Object (readonly)

BodyStmt | Statements

the statements inside the block



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# File 'lib/syntax_tree.rb', line 2689

def statements
  @statements
end

Instance Method Details

#format(q) ⇒ Object 



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# File 'lib/syntax_tree.rb', line 2697

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

    q.if_break do
      q.format(BlockOpenFormatter.new("do", block_open))

      if node.block_var
        q.text(" ")
        q.format(node.block_var)
      end

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

      q.breakable
      q.text("end")
    end.if_flat do
      q.format(BlockOpenFormatter.new("{", block_open))

      if node.block_var
        q.breakable
        q.format(node.block_var)
        q.breakable
      end

      unless statements.empty?
        q.breakable unless node.block_var
        q.format(statements)
        q.breakable
      end

      q.text("}")
    end
  end
end