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|
# Augments all parslet atoms with an accept method that will call back
# to the visitor given.
#
module Parslet::Atoms
class Base
def accept(visitor)
raise NotImplementedError, "No #accept method on #{self.class.name}."
end
end
class Str
# Call back visitors #visit_str method. See parslet/export for an example.
#
def accept(visitor)
visitor.visit_str(str)
end
end
class Entity
# Call back visitors #visit_entity method. See parslet/export for an
# example.
#
def accept(visitor)
visitor.visit_entity(name, block)
end
end
class Named
# Call back visitors #visit_named method. See parslet/export for an
# example.
#
def accept(visitor)
visitor.visit_named(name, parslet)
end
end
class Sequence
# Call back visitors #visit_sequence method. See parslet/export for an
# example.
#
def accept(visitor)
visitor.visit_sequence(parslets)
end
end
class Repetition
# Call back visitors #visit_repetition method. See parslet/export for an
# example.
#
def accept(visitor)
visitor.visit_repetition(@tag, min, max, parslet)
end
end
class Alternative
# Call back visitors #visit_alternative method. See parslet/export for an
# example.
#
def accept(visitor)
visitor.visit_alternative(alternatives)
end
end
class Lookahead
# Call back visitors #visit_lookahead method. See parslet/export for an
# example.
#
def accept(visitor)
visitor.visit_lookahead(positive, bound_parslet)
end
end
class Re
# Call back visitors #visit_re method. See parslet/export for an example.
#
def accept(visitor)
visitor.visit_re(match)
end
end
end
class Parslet::Parser
# Call back visitors #visit_parser method.
#
def accept(visitor)
visitor.visit_parser(root)
end
end
|
