From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001 From: Jari Vetoniemi Date: Mon, 16 Mar 2020 18:49:26 +0900 Subject: Fresh start --- jni/ruby/golf_prelude.rb | 123 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 123 insertions(+) create mode 100644 jni/ruby/golf_prelude.rb (limited to 'jni/ruby/golf_prelude.rb') diff --git a/jni/ruby/golf_prelude.rb b/jni/ruby/golf_prelude.rb new file mode 100644 index 0000000..8034601 --- /dev/null +++ b/jni/ruby/golf_prelude.rb @@ -0,0 +1,123 @@ +class Object + @@golf_hash = {} + + def method_missing m, *a, &b + t = @@golf_hash[ [m, self.class] ] ||= matching_methods(m)[0] + if t && b + __send__(t, *a) {|*args| + b.binding.eval("proc{|golf_matchdata| $~ = golf_matchdata }").call($~) if $~ + b.call(*args) + } + else + t ? __send__(t, *a, &b) : super + end + end + + def matching_methods(s = '', m = callable_methods) + r = /^#{s.to_s.gsub(/./){"(.*?)" + Regexp.escape($&)}}/ + m.grep(r).sort_by do |i| + i.to_s.match(r).captures.map(&:size) << i + end + end + + def self.const_missing c + t = @@golf_hash[ [c,self.class] ] ||= matching_methods(c, constants)[0] + t and return const_get(t) + raise NameError, "uninitialized constant #{c}", caller(1) + end + + def shortest_abbreviation(s = '', m = callable_methods) + s = s.to_s + our_case = (?A..?Z) === s[0] + if m.index(s.to_sym) + 1.upto(s.size){|z| s.scan(/./).combination(z).map{|trial| + next unless ((?A..?Z) === trial[0]) == our_case + trial *= '' + return trial if matching_methods(trial, m)[0].to_s == s + }} + else + nil + end + end + + def callable_methods + self.class == Object ? methods + private_methods : methods + end + + private + + def h(a = 'H', b = 'w', c = '!') + puts "#{a}ello, #{b}orld#{c}" + end + + alias say puts + + def do_while + 0 while yield + end + + def do_until + 0 until yield + end +end + +class Array + alias old_to_s to_s + alias to_s join +end + +class FalseClass + alias old_to_s to_s + def to_s + "" + end +end + +class Integer + alias each times + include Enumerable +end + +class String + alias / split + + def to_a + split('') + end + + (Array.instance_methods - instance_methods - [:to_ary, :transpose, :flatten, :flatten!, :compact, :compact!, :assoc, :rassoc]).each{|meth| + eval " + def #{meth}(*args, &block) + a = to_a + result = a.#{meth}(*args, &block) + replace(a.join) + if result.class == Array + Integer === result[0] ? result.pack('c*') : result.join + elsif result.class == Enumerator + result.map(&:join).to_enum + else + result + end + end" + } +end + +class Enumerator + alias old_to_s to_s + (Array.instance_methods - instance_methods - [:replace] + [:to_s]).each{|meth| + eval " + def #{meth}(*args, &block) + to_a.#{meth}(*args, &block) + end" + } + alias old_inspect inspect + alias inspect old_to_s +end + +class Symbol + def call(*args, &block) + proc do |recv| + recv.__send__(self, *args, &block) + end + end +end -- cgit v1.2.3