2020-01-27 00:36:07 +03:00
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import Ostap;
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2020-01-30 23:36:15 +03:00
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import Fun;
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2020-01-27 00:36:07 +03:00
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2021-01-31 22:25:31 +03:00
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var a = token ("a"),
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2020-04-11 21:09:51 +03:00
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add = [token ("+"), fun (l, _, r) {Add (l, r)}],
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sub = [token ("-"), fun (l, _, r) {Sub (l, r)}],
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mul = [token ("*"), fun (l, _, r) {Mul (l, r)}],
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div = [token ("/"), fun (l, _, r) {Div (l, r)}],
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2020-10-04 17:58:26 +03:00
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exp = expr ({[Left, {add, sub}], [Left, {mul, div}]}, a);
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2020-01-27 00:36:07 +03:00
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printf ("%s\n", parseString (exp |> bypass (eof), "a").string);
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printf ("%s\n", parseString (exp |> bypass (eof), "a+a").string);
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printf ("%s\n", parseString (exp |> bypass (eof), "a-a").string);
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printf ("%s\n", parseString (exp |> bypass (eof), "a+a-a").string);
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printf ("%s\n", parseString (exp |> bypass (eof), "a+a*a").string);
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printf ("%s\n", parseString (exp |> bypass (eof), "a*a-a/a").string)
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