dotnet/csharp-tmLanguage

Syntax grammar used for C# colorization

Stars: 78
Forks: 43
Open beginner issues: 0
Indexed issues: 36
Avg merge: 34m
Merged PRs (30d): 1

Dominant language: TypeScript
License: MIT
Last GitHub push: Sep 2, 2026
Latest indexed: Sep 15, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

Open All

36 open issues indexed

Freeze when dealing with long (unbreakable) strings Open

Bug

dotnet/csharp-tmLanguage#48 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Function Signatures: Function names are not highlighted correctly when parameters are on the next line Open

Bug

dotnet/csharp-tmLanguage#61 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Local variables declaration: Type keywords are not highlighted if the identifiers are on the next line Open

Bug

dotnet/csharp-tmLanguage#62 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Syntax highlighting breaks when opening bracket of a method is placed in a new line Open

Bug

dotnet/csharp-tmLanguage#63 · 5 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
VSCode hangs with 100% CPU in Code Helper process when viewing specific file Open

Bug

dotnet/csharp-tmLanguage#76 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Code hangs when trying to open C# File Open

Bug

dotnet/csharp-tmLanguage#79 · 4 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
C# Code coloring glitches after method that returns Task of tuple Open

Bug

dotnet/csharp-tmLanguage#97 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Reserved keyword coloring? Open

dotnet/csharp-tmLanguage#109 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Comment in try-catch exception parameter not highlighting Open

Bug

dotnet/csharp-tmLanguage#127 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[C#] Deeply nested parens causes editor hang. Open

Resolved-Duplicate

dotnet/csharp-tmLanguage#135 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Splitting method in two lines between return type and name breaks syntax highlighting #2537 Open

dotnet/csharp-tmLanguage#136 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
VS Code hanging when opening particular C# file Open

dotnet/csharp-tmLanguage#137 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
C# Method Syntax format grammar recognition Open

Resolved-Duplicate

dotnet/csharp-tmLanguage#146 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
#else preprocessor directive loses colors with conditional operator Open

dotnet/csharp-tmLanguage#149 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
C# syntax highlight does not work properly Open

dotnet/csharp-tmLanguage#150 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 15, 2026
C# syntax highlight glitch when using Tuple return type Open

dotnet/csharp-tmLanguage#154 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
VSCode freezes tokenizing specific line of C# Open

dotnet/csharp-tmLanguage#155 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
interpolated strings interpolation should use different embedded scope Open

dotnet/csharp-tmLanguage#158 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Tuple colorization wrong with missing spaces Open

dotnet/csharp-tmLanguage#160 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Incorrect syntax coloring in interface definition Open

dotnet/csharp-tmLanguage#161 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
VSCode hangs when I open one C# file Open

dotnet/csharp-tmLanguage#166 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Generate csharp.tmLanguage.yml using Roslyn Open

dotnet/csharp-tmLanguage#168 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Grammar causes freeze on on long chain of ternary operators Open

dotnet/csharp-tmLanguage#170 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Tokenization freezes with long line like "((a+a) (a+a) (a+a) (a+a) ... Open

dotnet/csharp-tmLanguage#174 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
VSCode crashes when pasting this very long line C# code Open

dotnet/csharp-tmLanguage#176 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
C# syntax highlighting is broken by multiline types Open

dotnet/csharp-tmLanguage#179 · 4 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
Several slow regular expressions in grammar cause freeze Open

dotnet/csharp-tmLanguage#180 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Non-ASCII identifier syntax highlighting Open

dotnet/csharp-tmLanguage#186 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
C# Syntax Highlighting Bug for Tuples & Multilined Variables Open

dotnet/csharp-tmLanguage#228 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Grammar is slow on a line with a very long string literal (with embedded json) Open

dotnet/csharp-tmLanguage#238 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add more C# language features and syntax sugar to highlightning Open

dotnet/csharp-tmLanguage#239 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Textmate] Lambda with attribute Open

dotnet/csharp-tmLanguage#303 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Textmate] Local function with attribute Open

dotnet/csharp-tmLanguage#304 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Textmate] `scoped ref` modifier Open

dotnet/csharp-tmLanguage#306 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug]: Top-level brace-scoped `using` declaration with object initializer containing `string` collection initializer with `;`, `{`, or `}` tokens in items break brace highlighting Open

dotnet/csharp-tmLanguage#336 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
C# syntax highlighting broken with collection expressions and string interpolation in method calls Open

dotnet/csharp-tmLanguage#332 · 7 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026

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