rpl.rb
Reverse-Polish-Lisp inspired language in ruby
Install
gem install rpl
Usage
rpl --help- run RPL:
rpl - by default rpl persists its state in $XDG_DATA_HOME/rpl.rb/env.rpl which is created if needed (if $XDG_DATA_HOME isn't set ~/.local/share/ is used)
Development
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 . ->, →