Sha256: 1c381beb8ca6ce20cb658f8b476ca5ed59bb0ff2318982f83057d7bf6512a8ae
Contents?: true
Size: 986 Bytes
Versions: 12
Compression:
Stored size: 986 Bytes
Contents
class Code
class Node
class While < Node
WHILE_KEYWORD = :while
UNTIL_KEYWORD = :until
def initialize(while_parsed)
@operator = while_parsed.fetch(:operator)
@statement = ::Code::Node::Statement.new(while_parsed.fetch(:statement))
@body = ::Code::Node::Code.new(while_parsed.fetch(:body))
end
def evaluate(**args)
if operator == WHILE_KEYWORD
object = ::Code::Object::Nothing.new
while @statement.evaluate(**args).truthy?
object = @body.evaluate(**args)
end
object
elsif operator == UNTIL_KEYWORD
object = ::Code::Object::Nothing.new
until @statement.evaluate(**args).truthy?
object = @body.evaluate(**args)
end
object
else
raise NotImplementedError.new(operator.inspect)
end
end
private
def operator
@operator.to_sym
end
end
end
end
Version data entries
12 entries across 12 versions & 2 rubygems