What type of parser does the Rust compiler use?

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1

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?

2

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

Source code: rust/compiler/rustc_parse/src/parser at master · rust-lang/rust · GitHub

3

Cool. Thanks!