Sha256: b315783f53284b53ee196cda41ca054d7546611fd9aa694bd684dee48e15d64d
Contents?: true
Size: 884 Bytes
Versions: 27
Compression:
Stored size: 884 Bytes
Contents
# frozen_string_literal: true
class Code
class Node
class While < Node
WHILE_KEYWORD = "while"
UNTIL_KEYWORD = "until"
def initialize(parsed)
@operator = parsed.delete(:operator)
@statement = Node::Statement.new(parsed.delete(:statement))
@body = Node::Code.new(parsed.delete(:body))
super(parsed)
end
def evaluate(**args)
if @operator == WHILE_KEYWORD
last = ::Code::Object::Nothing.new
last = @body.evaluate(**args) while @statement.evaluate(
**args
).truthy?
last
elsif @operator == UNTIL_KEYWORD
last = ::Code::Object::Nothing.new
last = @body.evaluate(**args) while @statement.evaluate(**args).falsy?
last
else
raise NotImplementedError, @operator
end
end
end
end
end
Version data entries
27 entries across 27 versions & 1 rubygems