Class: SyntaxTree::CHAR

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

Overview

CHAR irepresents a single codepoint in the script encoding.

?a

In the example above, the CHAR node represents the string literal “a”. You can use control characters with this as well, as in ?C-a.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(value:, location:, comments: []) ⇒ CHAR

Returns a new instance of CHAR.



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# File 'lib/syntax_tree.rb', line 513

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

Instance Attribute Details

#comments ⇒ Object (readonly)

Array[ Comment | EmbDoc ]

the comments attached to this node



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# File 'lib/syntax_tree.rb', line 511

def comments
  @comments
end

#location ⇒ Object (readonly)

Location

the location of this node



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# File 'lib/syntax_tree.rb', line 508

def location
  @location
end

#value ⇒ Object (readonly)

String

the value of the character literal



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# File 'lib/syntax_tree.rb', line 505

def value
  @value
end

Instance Method Details

#child_nodes ⇒ Object 



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# File 'lib/syntax_tree.rb', line 519

def child_nodes
  []
end

#format(q) ⇒ Object 



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# File 'lib/syntax_tree.rb', line 523

def format(q)
  if value.length != 2
    q.text(value)
  else
    q.text(q.quote)
    q.text(value[1] == "\"" ? "\\\"" : value[1])
    q.text(q.quote)
  end
end

#pretty_print(q) ⇒ Object 



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# File 'lib/syntax_tree.rb', line 533

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

    q.breakable
    q.pp(value)

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

#to_json(*opts) ⇒ Object 



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# File 'lib/syntax_tree.rb', line 544

def to_json(*opts)
  { type: :CHAR, value: value, loc: location, cmts: comments }.to_json(
    *opts
  )
end