Rust grammar for tree-sitter.
Speed — When initially parsing a file, tree-sitter-rust
takes around two to three times
as long as rustc's hand-written parser.
$ wc -l examples/ast.rs
2157 examples/ast.rs
$ rustc -Z unpretty=ast-tree -Z time-passes examples/ast.rs | head -n0
time: 0.002; rss: 55MB -> 60MB ( +5MB) parse_crate
$ tree-sitter parse examples/ast.rs --quiet --time
examples/ast.rs 6.48 ms 9908 bytes/ms
But if you edit the file after parsing it, tree-sitter can generally update the previous existing syntax tree to reflect your edit in less than a millisecond, thanks to its incremental parsing system.
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Swiftpack is being maintained by Petr Pavlik | @ptrpavlik | @swiftpackco | API | Analytics