class CodeTools::AST::Case

Attributes

else[RW]
whens[RW]

Public Class Methods

new(line, whens, else_body) click to toggle source
# File lib/rubinius/code/ast/control_flow.rb, line 7
def initialize(line, whens, else_body)
  @line = line
  @whens = whens
  @else = else_body || NilLiteral.new(line)
end

Public Instance Methods

bytecode(g) click to toggle source
# File lib/rubinius/code/ast/control_flow.rb, line 13
def bytecode(g)
  pos(g)

  done = g.new_label

  @whens.each do |w|
    w.bytecode(g, done)
  end

  @else.bytecode(g)

  # See command in if about why using line 0
  g.set_line 0

  done.set!
end
defined(g) click to toggle source
# File lib/rubinius/code/ast/control_flow.rb, line 30
def defined(g)
  g.push_literal "expression"
end
receiver_sexp() click to toggle source
# File lib/rubinius/code/ast/control_flow.rb, line 34
def receiver_sexp
  nil
end
to_sexp() click to toggle source
# File lib/rubinius/code/ast/control_flow.rb, line 38
def to_sexp
  else_sexp = @else.kind_of?(NilLiteral) ? nil : @else.to_sexp
  sexp = [:case, receiver_sexp]
  sexp += @whens.map { |x| x.to_sexp }
  sexp << else_sexp
  sexp
end