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Author SHA1 Message Date
John
c1c834701a parser: Mockup type-expression syntax 
- Allow `name: Type` notation for parameters
- Allow `fn x() -> RetVal` notation for return values
- TODO: Create syntax for type-expressions/paths
 2023-10-30 00:07:27 -05:00
John
374017d5e3 examples/interpret: Call main if loading from file 2023-10-29 23:48:38 -05:00
John
ee5dabb4f3 Conlang: Implement functions 1.0 (Resolves #12) 
- [x] Call syntax
- [x] Function declaration syntax
TODO:
- [ ] Any form of type checking
- [ ] Static variable resolution
- [ ] Closures, etc.
 2023-10-29 23:47:00 -05:00
John
f3306e7ba4 examples/format: Rename from parse_input 2023-10-29 21:10:09 -05:00
John
9a6eb6b0f1 examples/interpret: Improve the repl's UX somewhat 2023-10-29 01:14:36 -05:00
John
8fe89e6297 conlang: Variable binding and cleanup 
ast: Separate concerns, and remove Walk
interpreter: implement variable binding
 2023-10-29 01:13:48 -05:00
John
35d214c9f6 ast: Remove vestigial "ignore" in Expr 2023-10-27 00:19:19 -05:00
John
ac540ebd22 parser: parse let statements 
- TODO: Type expressions
token: Add `mut` keyword
 2023-10-27 00:18:02 -05:00
John
f3aad36f32 examples/interpret: Multi-line input support 2023-10-26 22:33:31 -05:00
John
b906775006 dummy.cl: Remove "shebang comment" (lmao) 2023-10-26 22:14:12 -05:00
John
e22b1b7bfd examples/interpret: Misc cleanup 2023-10-26 22:13:48 -05:00
John
aead97e357 interpreter: Implement ranges and for loops 2023-10-26 21:51:18 -05:00
John
55070bcc41 ast: Improve documentation linking 2023-10-26 17:56:02 -05:00
John
ed6917070c interpreter: fix comment 2023-10-26 14:51:13 -05:00
John
15a3d265df interpreter: Prototype interpreter 
TODO: Type-checking, floats, variables & scope
TODO Later: A bytecode interpreter
 2023-10-26 14:48:44 -05:00
John
9ab9583a5b parser: Reorder functions, add doc comments 2023-10-26 14:41:59 -05:00
John
0445598ae8 grammar: Remove Ignore expression to avoid parsing ambiguity :'( 2023-10-26 14:36:55 -05:00
John
b1f90ca4e9 conlang: Add statements 
TODO: Parse `let` statements
 2023-10-26 14:33:56 -05:00
John
d1b5c48aac constr/lerox: remove 2023-10-26 12:23:26 -05:00
John
5c4c8bcb80 lexer: Consume invalid characters 2023-10-25 19:28:54 -05:00
John
32bde2f749 Minor documentation fixes 2023-10-23 23:43:11 -05:00
John
0e1beca43d Cargos.toml: wrong key ("publish") 2023-10-23 23:42:39 -05:00
John
9196d3b1da Add package metadata 2023-10-23 21:38:06 -05:00
John
1b14a43129 Add LICENSE 2023-10-23 21:05:51 -05:00
John
a339dfd549 dummy.cl: Use unicode escape 🦈 2023-10-23 21:02:45 -05:00
John
0e917837c0 identify_tokens: Use Display on token Data 2023-10-23 21:02:09 -05:00
John
8b1a1534f3 docs: Improve and update documentation 2023-10-23 21:01:32 -05:00
John
c43ecf00d1 token::token_data::Data: Renamed from token::TokenData 
& Moved into its own module
+ Added token::preamble; common imports when working with Token
 2023-10-23 19:43:16 -05:00
John
2d1b6d82db Update readme 2023-10-22 18:41:10 -05:00
John
ccfddcc09a Conlang: Add range operators 
TODO: Limit range operators to at most 2 operands
 2023-10-22 18:30:00 -05:00
John
b5abd2bff1 Lexer rewrite: 
- Scan the input string *linearly*, without backtracking
  - Peek at most one character (unicode code-point) ahead
- Store data (unescaped string literals and chars, identifiers, integers, floats) inside Token
  - This unfortunately makes tokens non-Copy
- Refactor Parser to accommodate these changes
  - On the bright side, Parser no longer needs a reference to the text!
- Write a new set of lexer tests
  - TODO: write a new set of token tests using tokendata

Every day, we get closer to parsing `dummy.cl`!
 2023-10-22 18:28:20 -05:00
John
feb5cc5dd0 AST: Refactor binary operations, fix Walk trait 
- Unified math operations into a single self-referential enum
- Walk now visits the children of a node, rather than the node itself
  - The old behavior was super confusing, and led to numerous stack overflows.
 2023-10-21 12:24:52 -05:00
John
4ec91ff806 constr: switch to Rust-style unicode parsing 2023-10-21 12:20:22 -05:00
John
1e5f7149d9 Token: Add range operators, rename for consistency 2023-10-20 17:09:14 -05:00
John
34525ec77a lexer: Only allow lines up to 4GB in size. Saves 8 bytes per token 2023-10-20 15:34:54 -05:00
John
a26a01fc17 constr: Misuse iterators to parse tokens 2023-10-20 15:33:02 -05:00
John
7f7393d2c6 conlang: Grammatical cleanup; merge control flow expressions 2023-10-19 14:40:03 -05:00
John
331141356a tests: Move module into file 2023-10-17 13:39:05 -05:00
John
73f7337fd5 pretty_printer: Move module into file 2023-10-17 13:38:30 -05:00
John
59617d805a parser: Move module into file 2023-10-17 13:36:21 -05:00
John
3d0698ba60 lexer: Move module into file 2023-10-17 13:33:07 -05:00
John
b1d9e4fd03 ast: Move module into file 2023-10-17 13:30:16 -05:00
John
5d9c45c26a token: Move module into file 2023-10-17 13:23:34 -05:00
John
71f43d852a readme.md: Clarify goals 2023-10-16 23:01:09 -05:00
John
d6a80e4961 dummy.cl: Update to include while expressions 2023-10-16 22:55:07 -05:00
John
b707bcef81 examples: Add parse_input REPL for fun! 2023-10-16 22:51:59 -05:00
John
8d1107cb57 Conlang: Add a pretty printer for the AST 2023-10-16 22:51:07 -05:00
John
b89ed307a2 parser: Add recursive descent parser for AST. TODO: Error recovery and synchronization. 2023-10-16 22:50:15 -05:00
John
0a99a37bd8 ast: Disallow unused imports 2023-10-16 22:47:16 -05:00
John
c7d1aa4d2c lexer: Make the Lexer IntoIter'able 2023-10-16 22:46:38 -05:00