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Author SHA1 Message Date
Alex Bethel 07195d4cf6 Fix panic on arithmetic error 
Divide by zero and add, subtract, or multiply with overflow are all
caught now and reported as an ArithmeticError, rather than causing the
interpreter to panic.
 2021-05-30 13:32:29 -05:00
Alex Bethel acfd81ead2 More thorough unit tests 2021-05-30 13:32:29 -05:00
Alex Bethel 344a11084e Add some unit tests to interpret.rs 
Currently `overflow_should_not_panic` and `variable_persistence` both
fail due to bugs in the interpreter.
 2021-05-30 13:32:29 -05:00
Able 90773eea3d Merge pull request #27 from AlexBethel/master 2021-05-29 17:14:25 -05:00
Alex Bethel 099b9e23d6 Make base-55 encoding & decoding match 
Changed "U"'s encoding to -210, so now when the README claims "U =
-210", it's actually accurate :)
 2021-05-29 14:24:46 -05:00
Alex Bethel 585bf2e19f Use single-letter identifiers as base-55 digits 2021-05-29 10:45:39 -05:00
Able 7b21eaf48a Merge pull request #26 from Seppel3210/patch-1 2021-05-28 05:10:43 -05:00
Seppel3210 d52c775ed1 Change "*" versions to explicit versions 
Change "*" versions to explicit versions in Cargo.toml
 2021-05-28 09:30:16 +02:00
Able e02edbbd16 Update README.md 2021-05-27 17:51:08 -05:00
Able 18973333b0 Merge pull request #24 from AlexBethel/master 2021-05-25 23:06:08 -05:00
Alex Bethel c906366e3f Improve name & documentation accuracy 
Renamed ControlFlow -> HaltStatus because that's what the enum really
is -- a status on why something halted. Also reviewed `interpret.rs`'s
documentation and fixed a few things that were out of date.
 2021-05-25 21:55:02 -05:00
Alexander Bethel ec81ead3ea Implement break and hopback statements 2021-05-25 21:22:38 -05:00
Alexander Bethel 669f379700 Better abstractions, implement scoping rules 2021-05-25 13:26:01 -05:00
Alexander Bethel 109c77eeb2 Implement more statements 
Added variable declaration, `if` statements, `loop` statements,
variable assignment, and variable banning to go along with
printing (which was already implemented). We still need function
declarations, brainfuck declarations, function calls, and the control
flow operators "break" and "hopback".
 2021-05-24 10:50:26 -05:00
Able c27837a807 Slightly more curse 2021-05-24 01:18:36 -05:00
Able 84016d3dcd Merge pull request #22 from AlexBethel/master 2021-05-21 12:29:03 -05:00
Alexander Bethel b625a71711 Allow abool -> bool coercion 
The expression `sometimes & true` now evaluates to `true` 50% of the
time and false 50% of the time, rather than throwing a type error
because `sometimes` is not a bool.
 2021-05-21 12:25:37 -05:00
Alexander Bethel ea211fc3b0 Make ablescript -f run interpreter 
`ablescript -f foo.able` will now both parse and interpret `foo.able`,
rather than just parsing it.
 2021-05-20 18:24:18 -05:00
Alexander Bethel eccc00ff81 Implement basic interpreter 
Added code for interpreting parsed AbleScript expressions and
statements, and hooked it up to the REPL.
 2021-05-20 18:18:01 -05:00
Able 0ad680cadd Merge pull request #18 from T-Dark0/tdark-brainfuck 2021-05-15 20:34:29 -05:00
tdark 1b195dc955 Added support for specifying a tape size limit 2021-05-15 18:39:49 +02:00
tdark 7b5ae34bfd Implemented brainfuck interpreter 2021-05-15 18:10:50 +02:00
Able c0b7bd2f34 Update README.md 2021-05-14 10:52:16 -05:00
Able 396650ae95 Update README.md 2021-05-11 13:39:41 -05:00
able 87139c4448 consider using able brand products 2021-05-05 07:33:40 -05:00
able 9b7367353d Brain fuck work 2021-05-04 22:23:17 -05:00
able 57d86b9f92 README changes 2021-05-04 21:29:51 -05:00
able bdf27c83da Minor Changes 2021-05-03 19:33:21 -05:00
Able 143ae613d8 Merge pull request #15 from erindesu/master 
Fixed some incompatible old code
 2021-05-03 18:41:23 -05:00
Erin 72cd540728 Tidy up 2021-05-03 23:02:19 +02:00
Erin 798c1807db Obeyed our paperclip overlord + fmt 2021-05-03 21:36:32 +02:00
Erin 30eedbc854 Fixed some incompatible old code 
- Added assignment support
- Reduced boilerplate
- Removed `else`
 2021-05-03 21:35:43 +02:00
Erin 29bf01935c Variable assignment implemented 2021-05-03 09:54:27 +02:00
Able e8a2b87c6e Merge pull request #14 from erindesu/master 2021-05-03 02:17:38 -05:00
Erin 8c6f415ac9 Fixed #13 2021-05-03 08:47:52 +02:00
Able e080fc65e3 Merge pull request #12 from erindesu/master 2021-05-02 12:49:30 -05:00
Erin 051f6e781f Added tests and loop flow 2021-05-02 18:12:51 +02:00
Erin ecce080378 Added T-Dark block 
- obeyed clippy
 2021-05-02 17:38:12 +02:00
Erin 5a8dd5051f Parser production ready 
- TODO: T-Dark block
- cargo fmt
- Obeyed our clippy overlord
 2021-05-02 16:48:33 +02:00
Erin c90d242b0f Parser implements examples 
- Function call is now stmt (muhehe)
 2021-05-02 15:43:25 +02:00
Erin 18a1343e11 Added basic math operations 
- cargo fmt
 2021-05-02 00:39:08 +02:00
Erin 3794fd3c8f Divided token types 
- Item = Expr | Stmt
- Added REPL (AST dump)
- Removed operator parsing because it was horrible and I need to redo it
 2021-05-01 13:44:58 +02:00
Erin eef7ec16fa Tidy up 2021-04-29 19:19:35 +02:00
Erin ca60f818eb Implemented function calls 2021-04-29 18:50:51 +02:00
Erin 17a32a8df7 Bugfix: Peeking 
- Fixed `PeekableLexer` next to not-be passtrough to iterator
- Made error handling depend on state of Option
 2021-04-29 09:47:29 +02:00
Erin e45afeac5e Added Peekable Lexer 
- Added wrapper for Lexer with `peek()` method
- Renamed `token` module to `lexer` as it more describe it's function
- Started work on operator flow
 2021-04-28 22:52:19 +02:00
Able b4d3f0c9b6 Merge pull request #10 from erindesu/master 
Reimplemented parser
 2021-04-27 09:26:29 -05:00
Erin f3779deeb5 Added parsing of conditionals 2021-04-27 13:48:56 +02:00
Erin 3f9e6b72cc Made parser to throw error when unexpected EOF 2021-04-27 11:57:11 +02:00
Erin 39a8bf6a54 Redone original parser 
= implemented original features
 2021-04-27 11:49:07 +02:00