coderabbitai[bot]
commented
9 months ago Walkthrough
This update primarily addresses issues related to parsing grammar rules with optional components and tagging within expressions. It introduces new tests to ensure correctness in scenarios involving optional prefixes and suffixes, as well as multiple tags. The refactoring within the generator module aims to optimize expression handling, particularly for NodeTag cases, enhancing the efficiency of token stream generation. These changes collectively strive to fix bugs and improve the parsing capabilities of the system.
Changes
| Files | Change Summary |
|---|---|
derive/tests/implicit.rs |
Added test test_implicit_whitespace_multitag for parsing with multiple tags. |
derive/tests/opt.rs |
Introduces a test for parsing a specific grammar rule using the pest parser generator. |
generator/src/generator.rs |
Refactored generate_expr and generate_expr_atomic functions to optimize OptimizedExpr handling. |
Assessment against linked issues
| Objective | Addressed | Explanation |
|---|---|---|
| Understand and fix the wrong tag association with optional expressions (#984) | ❌ | The changes do not directly address the issue of wrong tag association with optional expressions. |
| Clarify behavior of tags on rules yielding multiple pairs and ensure correct tag retrieval (#982) | ✅ | The changes address the need to handle multiple tags and improve tag retrieval in parsing rules. |
| Verify if the observed behaviors are bugs or limitations and improve documentation/implementation accordingly (#982, #984) | ❓ | While improvements have been made, further validation is needed to confirm if all issues are resolved. |
Poem
In the code where bugs once dwelled,
A rabbit hopped, and spells it spelled.
🌟 With a twitch of nose, and a thump of feet,
Bugs vanished, and the code did greet.
A world so clear, with tags aligned,
Where expressions and rules, perfectly intertwined.
🐇 "Hop forward," it cheered, "to a future so bright,
Where parsing's a joy, and everything's right!"
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fixes #984, fixes #982
Summary by CodeRabbit