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8 lines
419 B
Text
8 lines
419 B
Text
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local sq = syntax (e1=token ("a") e2=token ("b") {Seq (e1, e2)}),
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al = syntax (e=(token ("a") | token ("b")) {Alt (e)}),
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rp = syntax (e=token ("a")* {Rep (e)});
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printf ("%s\n", parseString (syntax (sq -eof), "ab").string);
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printf ("%s\n", parseString (syntax (al -eof), "a").string);
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printf ("%s\n", parseString (syntax (al -eof), "b").string);
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printf ("%s\n", parseString (syntax (rp -eof), "aaa").string)
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