tree-sitter-ferret

Tree-sitter grammar for the current Ferret language revision.

This grammar targets the new Ferret syntax in this repo, not the older Ferret compiler syntax.

Current coverage

• imports
• top-level const
• top-level constraint
• type declarations
• generic type/function declarations with <T> and constrained type parameters
• attached methods with Type::Method(...)
• let / let mut
• local const
• if / else
• match
• owning pointers, references, raw pointers, optionals, error unions
• array literals and indexing
• postfix ++ / --
• Zig-style .{ ... } and typed .Type{ ... } literals
• comptime parameters and prefix expressions
• constraint expressions with &, union, interface, and ~Type
• !!, ??, catch

File extension

The grammar is configured for .fer files.

Development

tree-sitter generate
tree-sitter test