eclipse-xtext / eclipse-xtext/xtext
[329125] Avoid unnecessary parentheses in generated Antlr grammars when using backtracking
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- Dominant language
- Java
- Stars
- 831
- Forks
- 330
- Avg merge
- 3d 7h
- Merged PRs (30d)
- 12
Description
Extract the work that has been done in eclipse/xtext-core#90 into a new generator fragment.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reviewing the work referenced in eclipse/xtext-core#90 and tracing how generated Antlr grammars are produced when backtracking is enabled. Identify the existing implementation that should become a generator fragment, then verify that the extracted fragment preserves the behavior of avoiding unnecessary parentheses.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java
- Domain
- compilers
- Issue type
- Refactor
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 30/100