Class: SyntaxTree::CommandCall

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

Overview

CommandCall represents a method call on an object with arguments and no parentheses.

object.method argument

Instance Attribute Summary collapse

Attributes inherited from Node

#location

Instance Method Summary collapse

Methods inherited from Node

#construct_keys, #pretty_print, #to_json

Constructor Details

#initialize(receiver:, operator:, message:, arguments:, location:, comments: []) ⇒ CommandCall

Returns a new instance of CommandCall.



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# File 'lib/syntax_tree/node.rb', line 3038

def initialize(
  receiver:,
  operator:,
  message:,
  arguments:,
  location:,
  comments: []
)
  @receiver = receiver
  @operator = operator
  @message = message
  @arguments = arguments
  @location = location
  @comments = comments
end

Instance Attribute Details

#arguments ⇒ Object (readonly)

nil | Args

the arguments going along with the message



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# File 'lib/syntax_tree/node.rb', line 3033

def arguments
  @arguments
end

#comments ⇒ Object (readonly)

Array[ Comment | EmbDoc ]

the comments attached to this node



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# File 'lib/syntax_tree/node.rb', line 3036

def comments
  @comments
end

#message ⇒ Object (readonly)

Const | Ident | Op

the message being send



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# File 'lib/syntax_tree/node.rb', line 3030

def message
  @message
end

#operator ⇒ Object (readonly)

:“::” | Op | Period

the operator used to send the message



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# File 'lib/syntax_tree/node.rb', line 3027

def operator
  @operator
end

#receiver ⇒ Object (readonly)

untyped

the receiver of the message



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# File 'lib/syntax_tree/node.rb', line 3024

def receiver
  @receiver
end

Instance Method Details

#accept(visitor) ⇒ Object 



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# File 'lib/syntax_tree/node.rb', line 3054

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

#child_nodes ⇒ Object Also known as: deconstruct 



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# File 'lib/syntax_tree/node.rb', line 3058

def child_nodes
  [receiver, message, arguments]
end

#deconstruct_keys(_keys) ⇒ Object 



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# File 'lib/syntax_tree/node.rb', line 3064

def deconstruct_keys(_keys)
  {
    receiver: receiver,
    operator: operator,
    message: message,
    arguments: arguments,
    location: location,
    comments: comments
  }
end

#format(q) ⇒ Object 



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# File 'lib/syntax_tree/node.rb', line 3075

def format(q)
  q.group do
    doc =
      q.nest(0) do
        q.format(receiver)
        q.format(CallOperatorFormatter.new(operator), stackable: false)
        q.format(message)
      end

    case arguments
    in Args[parts: [IfOp]]
      q.if_flat { q.text(" ") }
      q.format(arguments)
    in Args
      q.text(" ")
      q.nest(argument_alignment(q, doc)) { q.format(arguments) }
    else
      # If there are no arguments, print nothing.
    end
  end
end