50 lines
1.7 KiB
Ruby
50 lines
1.7 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
module RplLang
|
|
module Words
|
|
module List
|
|
include Types
|
|
|
|
def populate_dictionary
|
|
super
|
|
|
|
category = 'Lists'
|
|
|
|
@dictionary.add_word( ['→list', '->list'],
|
|
category,
|
|
'( … x -- […] ) pack x stacks levels into a list',
|
|
proc do
|
|
args = stack_extract( [[RplNumeric]] )
|
|
args = stack_extract( %i[any] * args[0].value )
|
|
|
|
@stack << Types.new_object( RplList, args.reverse )
|
|
end )
|
|
|
|
@dictionary.add_word( ['list→', 'list->'],
|
|
category,
|
|
'( […] -- … ) unpack list on stack',
|
|
proc do
|
|
args = stack_extract( [[RplList]] )
|
|
|
|
args[0].value.each do |elt|
|
|
@stack << elt
|
|
end
|
|
end )
|
|
|
|
@dictionary.add_word( ['dolist'],
|
|
category,
|
|
'( […] prg -- … ) run prg on each element of a list',
|
|
proc do
|
|
args = stack_extract( [[RplProgram], [RplList]] )
|
|
|
|
args[1].value.each do |elt|
|
|
@stack << elt
|
|
run( args[0].value )
|
|
end
|
|
|
|
run( "#{args[1].value.length} →list" )
|
|
end )
|
|
end
|
|
end
|
|
end
|
|
end
|