Excerpts from Jake Donham's message of Thu Jun 26 23:10:20 +0200 2008: > Hi list, > > I expected the following program to fail with a parse error, but it > happily ignores the extra '+'. I would be grateful if someone could > point out what I'm doing wrong. Thanks,
Nothing wrong from you, that's a camlp4 known bug (PR#4551, PR#4513...). > open Camlp4.PreCast;; > > let expr = Gram.Entry.mk "expr";; > let stmt = Gram.Entry.mk "stmt";; > > EXTEND Gram > expr: [[ > x = expr; "+"; y = expr -> x + y > | x = INT -> int_of_string x > ]]; > stmt: > [[ e = expr; ";"; `EOI -> e ]]; > END;; > > prerr_endline (string_of_int (Gram.parse_string stmt Loc.ghost "2 + 1 + ;")) > -- Nicolas Pouillard aka Ertai
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