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rpl.rb

Reverse-Polish-Lisp inspired language in ruby

To run REPL locally: rake run

To run the test suite: rake test

To build gem: rake gem

known bugs

TODO-list

  • Language:
    • pseudo filesystem: subdir/namespace for variables . 'a dir' crdir 'a dir' cd vars
  • SDL-based graphic environment/API

Not yet implemented

$ grep "# @dictionary.add_word" ./lib/rpl/words/*.rb
./lib/rpl/words/logarithm.rb:        # @dictionary.add_word( ['ln'],
./lib/rpl/words/logarithm.rb:        # @dictionary.add_word( ['lnp1'],
./lib/rpl/words/logarithm.rb:        # @dictionary.add_word( ['exp'],
./lib/rpl/words/logarithm.rb:        # @dictionary.add_word( ['expm'],
./lib/rpl/words/logarithm.rb:        # @dictionary.add_word( ['log10'],
./lib/rpl/words/logarithm.rb:        # @dictionary.add_word( ['alog10'],
./lib/rpl/words/logarithm.rb:        # @dictionary.add_word( ['log2'],
./lib/rpl/words/logarithm.rb:        # @dictionary.add_word( ['alog2'],
./lib/rpl/words/logarithm.rb:        # @dictionary.add_word( ['sinh'],
./lib/rpl/words/logarithm.rb:        # @dictionary.add_word( ['asinh'],
./lib/rpl/words/logarithm.rb:        # @dictionary.add_word( ['cosh'],
./lib/rpl/words/logarithm.rb:        # @dictionary.add_word( ['acosh'],
./lib/rpl/words/logarithm.rb:        # @dictionary.add_word( ['tanh'],
./lib/rpl/words/logarithm.rb:        # @dictionary.add_word( ['atanh'],
./lib/rpl/words/mode.rb:        # @dictionary.add_word( ['std'],
./lib/rpl/words/mode.rb:        # @dictionary.add_word( ['fix'],
./lib/rpl/words/mode.rb:        # @dictionary.add_word( ['sci'],
./lib/rpl/words/mode.rb:        # @dictionary.add_word( ['round'],
./lib/rpl/words/operations-complexes.rb:        # @dictionary.add_word( ['p→r', 'p->r'],
./lib/rpl/words/operations-complexes.rb:        # @dictionary.add_word( ['r→p', 'r->p'],

No implementation planned

  • use IFT, IFTE instead of . if . then . else . end
  • use LOOP, TIMES instead of . start . for . next . step . do . until . while . repeat
  • use LSTO instead of . ->, →

inspirations and references