Hi! > Le 7 déc. 2018 à 20:30, Uxio Prego <uxio.pr...@gmail.com> a écrit : > > I don't know of this division of parsers in pure and impure. > > Are pure approaches like GLR while LALR(k) are impure?
No, it's unrelated to the parsing technology, it's only a question of API: whether you exchange information with the scanner via global variables, or additional arguments. https://www.gnu.org/software/bison/manual/html_node/Pure-Decl.html
