rubyx/lib/parfait/list.rb
Torsten Ruger 9376b8bc16 work on ObjectWriter
Back to the root! but lots of adjusting
ObjectWriter takes machine, machine has space
Virtual constants become Parfait::Objects etc
2015-05-16 12:53:10 +03:00

83 lines
2.6 KiB
Ruby

module Parfait
class List < Object
def index_of( item )
max = self.length
counter = 0
while( counter < max )
if( internal_object_get(index) == item)
return counter
end
counter = counter + 1
end
return nil
end
# push means add to the end
# this automatically grows the List
def push value
self.set( length , value)
end
def set( index , value)
raise "negative index for set #{len}" if index < 0
if index >= self.length
grow_to(index)
end
internal_object_set( index , value)
end
def get(index)
raise "negative index for get #{len}" if index < 0
if index >= self.length
return nil
else
return internal_object_get(index)
end
end
def empty?
self.length == 0
end
def each
index = 0
while index < self.length
item = get(index)
yield item
index = index + 1
end
self
end
def grow_to(len)
raise "negative length for grow #{len}" if len < 0
return unless len > self.length
index = self.length
internal_object_grow(length)
while( index < self.length )
internal_object_set( index , nil)
index += 1
end
end
#many basic List functions can not be defined in ruby, such as
# get/set/length/add/delete
# so they must be defined as CompiledMethods in Builtin::Kernel
#ruby 2.1 list (just for reference, keep at bottom)
# :at, :fetch, :first, :last, :concat, :<<, :push, :pop, :shift, :unshift, :insert, :each, :each_index, :reverse_each,
# :length, :size, :empty?, :find_index, :index, :rindex, :join, :reverse, :reverse!, :rotate, :rotate!,
# :sort, :sort!, :sort_by!, :collect, :collect!, :map, :map!, :select, :select!, :keep_if,
# :values_at, :delete, :delete_at, :delete_if, :reject, :reject!, :zip, :transpose, :replace, :clear,
# :fill, :include?, :slice, :slice!, :assoc, :rassoc, :+, :*, :-, :&, :|, :uniq, :uniq!, :compact, :compact!,
# :flatten, :flatten!, :count, :shuffle!, :shuffle, :sample, :cycle, :permutation, :combination,
# :repeated_permutation, :repeated_combination, :product, :take, :take_while, :drop, :drop_while,
# :bsearch, :pack, :entries, :sort_by, :grep, :find, :detect, :find_all, :flat_map, :collect_concat,
# :inject, :reduce, :partition, :group_by, :all?, :any?, :one?, :none?,
# :min, :max, :minmax, :min_by, :max_by, :minmax_by, :member?, :each_with_index, :each_entry,
# :each_slice, :each_cons, :each_with_object, :chunk, :slice_before, :lazy
end
end