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Contents
# encoding: utf-8
module Unparser
class Emitter
class Literal
# Base class for dynamic literal emitters
class Dynamic < self
private
# Perform dispatch
#
# @return [undefined]
#
# @api private
#
def dispatch
util = self.class
if interpolation?
visit_parentheses(dynamic_body, util::OPEN, util::CLOSE)
else
emit_non_interpolated
end
end
# Test for interpolation
#
# @return [true]
# if dynamic component was interpolated
#
# @return [false]
# otherwise
#
# @api private
#
def interpolation?
children.any? { |child| child.type != :str }
end
# Return dynamic body
#
# @return [Parser::AST::Node]
#
# @api private
#
def dynamic_body
Parser::AST::Node.new(:dyn_str_body, children)
end
# Dynamic string literal emitter
class String < self
OPEN = CLOSE = '"'.freeze
handle :dstr
private
# Emit non interpolated form
#
# @return [undefined]
#
# @api private
#
def emit_non_interpolated
delimited(children, WS)
end
end # String
# Dynamic symbol literal emitter
class Symbol < self
OPEN = ':"'.freeze
CLOSE = '"'.freeze
handle :dsym
private
# Emit non interpolated form
#
# @return [undefined]
#
# @api private
#
def emit_non_interpolated
visit_parentheses(dynamic_body, OPEN, CLOSE)
end
end # Symbol
end
end # Literal
end # Emitter
end # Unparser
Version data entries
7 entries across 7 versions & 1 rubygems