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Versions: 14
Compression:
Stored size: 1.91 KB
Contents
module Unparser
class Emitter
class Literal
# Emitter for regexp literals
class Regexp < self
DELIMITER = '/'.freeze
handle :regexp
private
# Perform dispatch
#
# @return [undefined]
#
# @api private
#
def dispatch
parentheses(DELIMITER, DELIMITER) do
visit(dynamic_body)
end
visit(children.last)
end
# Return dynamic body
#
# @return [undefined]
#
# @api private
#
def dynamic_body
Parser::AST::Node.new(:dyn_regexp_body, dynamic_body_children)
end
# Return dynamic body children
#
# @return [Enumerable<Parser::AST::Node>]
#
# @api private
#
def dynamic_body_children
children[0..-2].map do |child|
escape(child)
end
end
# Return escaped child
#
# @return [Parser::AST::Node]
#
# @api private
#
def escape(child)
return child unless child.type == :str
source = child.children.first
Parser::AST::Node.new(:str, [Unparser.transquote(source, delimiter, DELIMITER)])
end
# Return closing delimiter
#
# @return [String]
#
# @api private
#
def delimiter
location = node.location
return DELIMITER unless location
location.expression.source[-1]
end
memoize :delimiter
end # Regexp
# Emitter for regexp options
class Regopt < self
handle :regopt
private
# Perform dispatch
#
# @return [undefined]
#
# @api private
#
def dispatch
write(children.map(&:to_s).join)
end
end # Regopt
end # Literal
end # Emitter
end # Unparser
Version data entries
14 entries across 14 versions & 1 rubygems