What type of parser does the Rust compiler use?

What type of a parser does the Rust compiler use? By type I mean, is it recursive descent, LL(1), LL(k), LL(*), LR(1), LALR, .... or something even fancier?

It is a simple hand-written recursive-descent parser with variable (but small) lookahead.

Source code: https://github.com/rust-lang/rust/tree/master/compiler/rustc_parse/src/parser


Cool. Thanks!

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