Commit graph

293 commits

Author SHA1 Message Date
c36654fb7e Parser - Labelled loops 2023-01-02 10:44:37 +01:00
2f44a81b6d AST - Added labels to while statements 2023-01-02 10:37:47 +01:00
bf8eee7ecb Parser - Loop control statements
* Store a loop parsing state when entering a loop. The parser uses
    this to cause an error when break/continue are found outside a loop.
  * Parse break and continue statements w/ optional identifier
2023-01-02 10:25:48 +01:00
f3b2552679 Tokens - Address ('@') token for loop labels 2023-01-02 10:00:05 +01:00
48b86d5087 AST - Break/Continue with label 2023-01-02 09:57:42 +01:00
154d072ca8 AST - Break and continue 2023-01-01 19:55:30 +01:00
a403799d22 Scanner - break + continue keywords 2023-01-01 19:52:02 +01:00
f8f9d376fb Tokens - Break + Continue 2023-01-01 19:51:10 +01:00
b9e659350b Parser - Re-use for loop body if it's a block and an incr statement is needed 2023-01-01 19:47:04 +01:00
f95fcc4e3e Parser - Initial implementation of the for loop 2023-01-01 19:41:02 +01:00
14bff1d7bc AST - Fixed block dump 2023-01-01 19:40:47 +01:00
d8888fd15f Parser - Re-added parens around if / while conditions
Mostly because lox's for loop is C-like and would feel weird without
parens.
2023-01-01 19:04:37 +01:00
ddf6625326 Interpreter - While loops 2023-01-01 18:44:35 +01:00
daec88c2f8 Parser - While loops 2023-01-01 18:40:05 +01:00
529a588900 AST - While loops 2023-01-01 18:33:45 +01:00
a671836655 Interpreter - Support for logical or / and 2023-01-01 18:27:45 +01:00
79c594afa9 Interpreter - Fixed == operator. Oops. 2023-01-01 18:27:33 +01:00
5db3caab61 Parser - Fixed comments 2023-01-01 18:13:32 +01:00
2e0e3f9ef0 Parser - Support for and / or 2023-01-01 11:18:08 +01:00
0637e52c83 AST - Logical binary expressions 2023-01-01 11:13:41 +01:00
9a84283245 Interpreter - If statement 2023-01-01 11:10:48 +01:00
8711fde112 Parser - Support for if statement
* Different from the book's implemenation as it doesn't use additional parens
2023-01-01 11:04:32 +01:00
2eda13de38 AST - Conditional statement added 2023-01-01 10:58:45 +01:00
81aef09c5b Interpreter - Additional errors for variables
* Uninitialized variable usage
  * Redefining variables
2023-01-01 10:52:29 +01:00
e92628a4eb Interpreter - Nested environments 2022-12-31 17:27:09 +01:00
d9e3ef2623 Environment - Rc<RefCell<...>> to store the parent 2022-12-31 17:26:40 +01:00
7d22b15854 Parser - Support for blocks 2022-12-31 17:05:58 +01:00
3fe2b4256a AST - Blocks 2022-12-31 16:58:48 +01:00
c71bdd8c87 Environment - Attempt at nesting support 2022-12-31 16:56:00 +01:00
71ddef17d8 Parser - Fixed error recovery 2022-12-31 16:42:32 +01:00
5efc90e89b Parser - Error recovery 2022-12-31 16:40:59 +01:00
f4111577ca Interpreter - Variable assignment 2022-12-31 16:36:29 +01:00
8d6191c7ee Environment - Support for assignment 2022-12-31 16:32:59 +01:00
3a2e8eeda1 Parser - Variable assignment 2022-12-31 16:27:32 +01:00
b5ff24ffad AST - Variable assignment 2022-12-31 16:16:12 +01:00
c486b81cba Interpreter - Support for initializing and using variables 2022-12-31 16:13:40 +01:00
157c938395 AST - Store variable names as tokens in declarations 2022-12-31 16:06:20 +01:00
90557e6600 Interpreter - Create and pass the environment when evaluating 2022-12-31 16:01:47 +01:00
8b44af08ba Interpreter - Initial environment implementation 2022-12-31 15:57:54 +01:00
7f94906412 Interpreter - Created environment module 2022-12-31 15:50:23 +01:00
bf6e150085 Interpreter - Split into multiple modules 2022-12-31 15:49:31 +01:00
81b5f27f0a Interpreter - Moved module to subdirectory 2022-12-31 15:45:28 +01:00
d821331fa2 Parser - Variable references in expressions 2022-12-31 15:44:26 +01:00
a90b1529ad AST - Added variable reference nodes 2022-12-31 15:42:10 +01:00
447e0fe623 Parser - Handle variable declarations 2022-12-31 15:39:52 +01:00
8e5a26bcc3 AST - Added variable declarations 2022-12-31 15:30:53 +01:00
c31a97eb76 Cargo features to control debugging output 2022-12-31 15:26:34 +01:00
14aef73d93 Interpreter - Run programs. 2022-12-31 15:19:41 +01:00
bf11a2b63a Parser - Parse program as a list of statements 2022-12-31 14:45:55 +01:00
402e0a10d9 AST - Made statement nodes visible inside a program node 2022-12-31 14:45:35 +01:00