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throw errors from phrase/{2,3} where expected (#1220)

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Mark Thom
2022-01-19 20:19:47 -07:00
parent 11b96875e0
commit 1854338ff4
1 changed files with 1 additions and 0 deletions
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src/lib/dcgs.pl
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@@ -72,6 +72,7 @@ phrase_((A -> B), S0, S, M) :-
phrase_(phrase(NonTerminal), S0, S, M) :- phrase_(phrase(NonTerminal), S0, S, M) :-
phrase(NonTerminal, S0, S, M). phrase(NonTerminal, S0, S, M).
phrase_([T|Ts], S0, S, _) :- phrase_([T|Ts], S0, S, _) :-
must_be(list, [T|Ts]),
append([T|Ts], S, S0). append([T|Ts], S, S0).