tree-sitter/tree-sitter-c-sharp

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C# Grammar for tree-sitter

Stars: 320
Forks: 103
Open beginner issues: 0
Indexed issues: 29

Dominant language: JavaScript
License: MIT
Last GitHub push: Jul 15, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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29 open issues indexed

Generics are recognized as binary expressions Open

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

tree-sitter/tree-sitter-c-sharp#434 · Opened Jun 29, 2026
Lacking parser.h file? Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

tree-sitter/tree-sitter-c-sharp#432 · 1 comment · Opened Jun 22, 2026
C# file-based apps syntax highlighting Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

tree-sitter/tree-sitter-c-sharp#431 · 2 reactions · Opened Jun 1, 2026
DEP0151 warning on Node 22 ESM consumers — package.json missing `exports` field Open

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

tree-sitter/tree-sitter-c-sharp#421 · Opened Apr 23, 2026
v0.23.1: later-uploaded cp310-abi3 wheel bumps grammar ABI (v14 → v15), silently breaking py-tree-sitter <0.25 (segfault on query()) Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

tree-sitter/tree-sitter-c-sharp#420 · Opened Apr 20, 2026
Ternary `cond ? [] : alt` misparsed as nullable array type when collection is empty Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

tree-sitter/tree-sitter-c-sharp#406 · 2 comments · Opened Feb 3, 2026
`accessor_declaration` doesn't expose `get`/`set` as separate named child Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

tree-sitter/tree-sitter-c-sharp#399 · Opened Dec 14, 2025
How to resolve a shift/reduce conflict for greedy modifiers in a Tree-sitter grammar for VB.NET? Open

question

Difficulty 5/5 Over a week Newbie friendliness 30/100

tree-sitter/tree-sitter-c-sharp#382 · 1 comment · Opened Jul 10, 2025
C# Parser Fails (Root ERROR Node) with Nested Preprocessor Directives Conditionally Defining Method Parameters Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

tree-sitter/tree-sitter-c-sharp#377 · 3 comments · Opened May 21, 2025
C# Parser Fails (Root ERROR Node) with Conditionally Compiled Attribute When Member is Not in Same Conditional Block Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

tree-sitter/tree-sitter-c-sharp#376 · 1 comment · Opened May 21, 2025
[BUG] Mis-alignment when parsing accents Open

help wanted

Difficulty 4/5 3-5 days Newbie friendliness 35/100

tree-sitter/tree-sitter-c-sharp#375 · Opened Apr 15, 2025
Failed to parse interpolated verbatim string Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

tree-sitter/tree-sitter-c-sharp#368 · Opened Feb 6, 2025
Lvalue pointer dereference expressions fail to parse correctly Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

tree-sitter/tree-sitter-c-sharp#363 · Opened Jan 6, 2025
`struct`'s modifiers are too sensitive to order Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

tree-sitter/tree-sitter-c-sharp#361 · 1 comment · Opened Dec 9, 2024
[Bug report] Interpolated raw string literals are wrongly highlighted with more braces Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

tree-sitter/tree-sitter-c-sharp#359 · Opened Dec 1, 2024
Invalid Node Type Error with returns in Query Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

tree-sitter/tree-sitter-c-sharp#358 · 1 comment · Opened Nov 27, 2024
`file_scoped_namespace_declaration` range output different to `namespace_declaration` range Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

tree-sitter/tree-sitter-c-sharp#338 · 1 comment · 3 reactions · Opened Jun 1, 2024
Fix `is_expression` and `is_pattern_expression` parsing Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

tree-sitter/tree-sitter-c-sharp#317 · 1 reaction · Opened Jun 19, 2023
Improve `#pragma` parsing Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

tree-sitter/tree-sitter-c-sharp#303 · Opened Apr 26, 2023
Improve declaration expression parsing Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

tree-sitter/tree-sitter-c-sharp#289 · 1 comment · Opened Jan 19, 2023
Allow contextual keywords to be used as identifiers Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

tree-sitter/tree-sitter-c-sharp#276 · 4 comments · Opened Jan 11, 2023
Move `src/parser.c` to git LFS Open

help wanted

Difficulty 3/5 1-2 days Newbie friendliness 25/100

tree-sitter/tree-sitter-c-sharp#273 · 26 comments · Opened Jan 11, 2023
Can we improve the highlight groups? Open

help wanted

Difficulty 4/5 3-5 days Newbie friendliness 30/100

tree-sitter/tree-sitter-c-sharp#239 · 5 comments · Opened Oct 31, 2022
Precedence incorrect between or and conditional access Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

tree-sitter/tree-sitter-c-sharp#233 · 2 comments · Opened Sep 14, 2022
Question: is extern_alias_directive misclassification instead of error intentional? Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

tree-sitter/tree-sitter-c-sharp#199 · 2 comments · Opened Jul 27, 2021
Shift right mistakenly parsed as type argument list Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

tree-sitter/tree-sitter-c-sharp#176 · 10 comments · Opened Apr 6, 2021
Incorrect test for conditional access expression with simple member access Open

bug

Difficulty 1/5 Under an hour Newbie friendliness 35/100

tree-sitter/tree-sitter-c-sharp#173 · 1 comment · Opened Mar 25, 2021
Incorrect precedence in conditional_access_expression Open

help wanted precedence-bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

tree-sitter/tree-sitter-c-sharp#172 · 7 comments · Opened Mar 24, 2021
Incorrect precedence with invocation on conditional access Open

help wanted precedence-bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

tree-sitter/tree-sitter-c-sharp#151 · 2 comments · Opened Feb 10, 2021

tree-sitter/tree-sitter-c-sharp

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