Class: MiniRuby::AST::ReturnExpressionNode

Inherits:
ExpressionNode show all
Defined in:
lib/miniruby/ast.rb

Overview

Represents a return like ‘return 3`, `return 1 + 5 * a`

Instance Attribute Summary collapse

Attributes inherited from Node

#span

Instance Method Summary collapse

Constructor Details

#initialize(value: nil, span: Span::ZERO) ⇒ ReturnExpressionNode

: (?value: ExpressionNode?, ?span: Span) -> void



426
427
428
429
 
# File 'lib/miniruby/ast.rb', line 426

def initialize(value: nil, span: Span::ZERO)
  @span = span
  @value = value
end

Instance Attribute Details

#value ⇒ Object (readonly)

: ExpressionNode?



423
424
425
 
# File 'lib/miniruby/ast.rb', line 423

def value
  @value
end

Instance Method Details

#==(other) ⇒ Object

: (Object other) -> bool



432
433
434
435
436
 
# File 'lib/miniruby/ast.rb', line 432

def ==(other)
  return false unless other.is_a?(ReturnExpressionNode)

  @value == other.value
end

#inspect(indent = 0) ⇒ Object

: (?Integer indent) -> String



450
451
452
453
454
455
456
457
 
# File 'lib/miniruby/ast.rb', line 450

def inspect(indent = 0)
  buff = String.new
  buff << "#{INDENT_UNIT * indent}(return"
  buff << " #{@value.inspect}" if @value
  buff << ')'

  buff
end

#to_s(indent = 0) ⇒ Object

: (?Integer indent) -> String



440
441
442
443
444
445
446
 
# File 'lib/miniruby/ast.rb', line 440

def to_s(indent = 0)
  buff = String.new
  buff << "#{INDENT_UNIT * indent}return"
  buff << " #{@value}" if @value

  buff
end