Class: SyntaxTree::BraceBlock

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

Overview

BraceBlock represents passing a block to a method call using the { } operators.

method { |variable| variable + 1 }

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(lbrace:, block_var:, statements:, location:, comments: []) ⇒ BraceBlock

Returns a new instance of BraceBlock.



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# File 'lib/syntax_tree.rb', line 2951

def initialize(lbrace:, block_var:, statements:, location:, comments: [])
  @lbrace = lbrace
  @block_var = block_var
  @statements = statements
  @location = location
  @comments = comments
end

Instance Attribute Details

#block_var ⇒ Object (readonly)

nil | BlockVar

the optional set of parameters to the block



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# File 'lib/syntax_tree.rb', line 2940

def block_var
  @block_var
end

#comments ⇒ Object (readonly)

Array[ Comment | EmbDoc ]

the comments attached to this node



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# File 'lib/syntax_tree.rb', line 2949

def comments
  @comments
end

#lbrace ⇒ Object (readonly)

LBrace

the left brace that opens this block



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# File 'lib/syntax_tree.rb', line 2937

def lbrace
  @lbrace
end

#location ⇒ Object (readonly)

Location

the location of this node



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# File 'lib/syntax_tree.rb', line 2946

def location
  @location
end

#statements ⇒ Object (readonly)

Statements

the list of expressions to evaluate within the block



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# File 'lib/syntax_tree.rb', line 2943

def statements
  @statements
end

Instance Method Details

#child_nodes ⇒ Object 



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# File 'lib/syntax_tree.rb', line 2959

def child_nodes
  [lbrace, block_var, statements]
end

#format(q) ⇒ Object 



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# File 'lib/syntax_tree.rb', line 2963

def format(q)
  BlockFormatter.new(self, lbrace, "}", statements).format(q)
end

#pretty_print(q) ⇒ Object 



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# File 'lib/syntax_tree.rb', line 2967

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

    if block_var
      q.breakable
      q.pp(block_var)
    end

    q.breakable
    q.pp(statements)

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

#to_json(*opts) ⇒ Object 



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# File 'lib/syntax_tree.rb', line 2983

def to_json(*opts)
  {
    type: :brace_block,
    lbrace: lbrace,
    block_var: block_var,
    stmts: statements,
    loc: location,
    cmts: comments
  }.to_json(*opts)
end