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Contents
# frozen_string_literal: true
module Unparser
class Emitter
# Base class for primitive emitters
class Primitive < self
children :value
# Emitter for primitives based on Object#inspect
class Inspect < self
handle :sym, :str
private
def dispatch
write(value.inspect)
end
end # Inspect
# Emitter for complex literals
class Complex < self
handle :complex
RATIONAL_FORMAT = 'i'.freeze
MAP =
{
::Float => :float,
::Rational => :rational,
::Integer => :int
}.freeze
private
def dispatch
emit_imaginary
write(RATIONAL_FORMAT)
end
def emit_imaginary
visit(imaginary_node)
end
def imaginary_node
imaginary = value.imaginary
s(MAP.fetch(imaginary.class), imaginary)
end
end # Rational
# Emitter for rational literals
class Rational < self
handle :rational
RATIONAL_FORMAT = 'r'.freeze
private
# rubocop:disable Lint/FloatComparison
def dispatch
integer = Integer(value)
float = value.to_f
write_rational(integer.to_f.equal?(float) ? integer : float)
end
# rubocop:enable Lint/FloatComparison
def write_rational(value)
write(value.to_s, RATIONAL_FORMAT)
end
end # Rational
# Emiter for numeric literals
class Numeric < self
handle :int
private
def dispatch
write(value.inspect)
end
end # Numeric
end # Primitive
end # Emitter
end # Unparser
Version data entries
13 entries across 13 versions & 2 rubygems