lama_byterun/stdlib/regression/test28.lama
2020-04-12 03:00:24 +03:00

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local sq = syntax (e1=token ["a"] e2=token ["b"] {Seq (e1, e2)}),
al = syntax (e=(token ["a"] | token ["b"]) {Alt (e)}),
rp = syntax (e=token ["a"]* {Rep (e)});
printf ("%s\n", parseString (syntax (p=sq eof {p}), "ab").string);
printf ("%s\n", parseString (syntax (p=al eof {p}), "a").string);
printf ("%s\n", parseString (syntax (p=al eof {p}), "b").string);
printf ("%s\n", parseString (syntax (p=rp eof {p}), "aaa").string)