Contribute grammars upstream

Open

#18 opened on Apr 25, 2023 1 comment 0 reactions 0 assignees View on GitHub

Nobody has claimed this yet.

Assessment

Difficulty: 4/5
Estimated time: 3-5 days
Newbie friendliness: 25/100

Issue type: Feature
Clarity: Needs clarification
Activity status: Stale
Tech stack: sql
Domain: compilers

Research direction

Review the linked antlr grammars-v4 sql/tsql grammar and the request to pass grammar updates upstream. The issue does not identify a specific grammar change, file, test, or acceptance condition, so define the intended update and how completion will be verified before starting.

Written by the indexing model from the issue text.

Description

antlr help welcome

We'd love to pass grammar updates back upstream to antlr v4 - https://github.com/antlr/grammars-v4/tree/master/sql/tsql

Dominant language: GAP
Stars: 277
Forks: 43
Avg merge: 6d 17h
Merged PRs (30d): 3

Contributor guide

Open the contributing 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.

Similar issues

isolated-declarations: TS9025 on an optional parameter property typed `readonly T[]`, which tsc 7 accepts Open

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

oxc-project/oxc#26944 · Opened Sep 22, 2026
perf: a definite-value return type (`--> Nil`, `--> True`) sends every call down the full path (~12 µs vs ~1 µs) Open

todo:perf

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

tokuhirom/mutsu#9074 · Opened Sep 22, 2026
A function-call exponent (`A^sqrt(n)`) emits `pow(A, sqrt)(n)` — valid BNGL that codegen cannot compile Open

bug

Difficulty 2/5 Half a day Newbie friendliness 82/100

lanl/bngsim#657 · Opened Sep 22, 2026
tt_metal/hw/inc/internal/tt-2xx/quasar/overlay/xcustom_test.hpp needs reimplementing Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

tenstorrent/tt-metal#57393 · 1 comment · Opened Sep 22, 2026
StUnhex.number() misformats Long.MIN_VALUE as scientific notation instead of a plain integer Open

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

objectionary/eo#8894 · Opened Sep 22, 2026

More Compilers issues