Skip to content

.Gram language support

Visual Studio tooling for .Gram, a source generator that compiles grammars into strongly typed C# parsers.

Write grammars in standalone .gram files or inside C# [Gram] attributes.

Editor features

Theme-aware syntax highlighting and live diagnostics
Completion, signature help, and Quick Info
Brace matching, folding, and alphabetical rule navigation
Go To Definition, Find All References, reference highlighting, and Rename
Navigation between grammar declarations and generated C# symbols
Embedded DSL highlighting through StringSyntax
Background analysis for large grammar files

Example

[Gram("""
    Number : @int = digits: ['0'..'9']+ => @(int.Parse(digits))
    parse Number as ParseNumber
    """)]
public static partial class Numbers;

Links