Class: MiniRuby::AST::UnaryExpressionNode

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

Overview

Represents an expression with a unary operator like ‘+3`, `-a`

Instance Attribute Summary collapse

Attributes inherited from Node

#span

Instance Method Summary collapse

Constructor Details

#initialize(operator:, value:, span: Span::ZERO) ⇒ UnaryExpressionNode

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



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# File 'lib/miniruby/ast.rb', line 386

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

Instance Attribute Details

#operator ⇒ Object (readonly)

: Token



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# File 'lib/miniruby/ast.rb', line 380

def operator
  @operator
end

#value ⇒ Object (readonly)

: ExpressionNode



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# File 'lib/miniruby/ast.rb', line 383

def value
  @value
end

Instance Method Details

#==(other) ⇒ Object

: (Object other) -> bool



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# File 'lib/miniruby/ast.rb', line 393

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

  @operator == other.operator &&
    @value == other.value
end

#inspect(indent = 0) ⇒ Object

: (?Integer indent) -> String



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# File 'lib/miniruby/ast.rb', line 408

def inspect(indent = 0)
  buff = String.new
  buff << "#{INDENT_UNIT * indent}(unary_expr"

  buff << "\n#{INDENT_UNIT * (indent + 1)}#{@operator}"
  buff << "\n" << @value.inspect(indent + 1)

  buff << ')'
  buff
end

#to_s(indent = 0) ⇒ Object

: (?Integer indent) -> String



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# File 'lib/miniruby/ast.rb', line 402

def to_s(indent = 0)
  "#{INDENT_UNIT * indent}#{@operator}#{@value}"
end