{"provider_name":"Hatena Blog","blog_url":"https://osanine.hatenadiary.org/","url":"https://osanine.hatenadiary.org/entry/20101217/1292597385","provider_url":"https://hatena.blog","height":"190","width":"100%","version":"1.0","categories":[],"image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fosanine.hatenadiary.org%2Fentry%2F20101217%2F1292597385\" title=\"Perl6\u306egrammar\u3092\u8a66\u3057\u3066\u307f\u308b - \u3088\u3046\u3058\u3087\u3068\u7d50\u5a5a\u3057\u305f\u3044\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2010-12-17 23:49:45","title":"Perl6\u306egrammar\u3092\u8a66\u3057\u3066\u307f\u308b","description":"PC\u306bRakudo Star\u3092\u5c0e\u5165\u3057\u305f\u306e\u3067\u3001Perl6\u306b\u8ffd\u52a0\u3055\u308c\u305f\u6a5f\u80fd\u306e\u4e2d\u3067\u4e00\u756a\u6c17\u306b\u306a\u3063\u3066\u3044\u305fgrammar\u3092\u7528\u3044\u305f\u30d1\u30fc\u30b5\u3092\u305f\u3081\u3057\u306b\u66f8\u3044\u3066\u307f\u307e\u3057\u305f\u3002 \u4f5c\u3063\u305f\u306e\u306f\u56db\u5247\u6f14\u7b97\u306e\u307f\u3092\u884c\u3046\u30b7\u30f3\u30d7\u30eb\u306aS\u5f0f\u30a4\u30f3\u30bf\u30d7\u30ea\u30bf\u3067\u3059\u3002 \u547d\u4ee4\u306f+-*/\u306e4\u3064\u3067\u3001\u5404\u547d\u4ee4\u306f1\u500b\u4ee5\u4e0a\u306e\u5f15\u6570\u3092\u53d6\u308a (+ (+ 1 2) 3) \u306e\u3088\u3046\u306a\u30cd\u30b9\u30c8\u3057\u305f\u5f0f\u3082\u8a8d\u3081\u308b\u3082\u306e\u3068\u3057\u307e\u3059\u3002 \u30bd\u30fc\u30b9\u306f\u3053\u308c\u3060\u3051\u3002 grammar Sexp { token num { \\d+ } token op { '+' | '-' | '*' | '/' } rule func { '(' + ')' } rule exp { | } rule TOP { ^ $\u2026","blog_title":"\u3088\u3046\u3058\u3087\u3068\u7d50\u5a5a\u3057\u305f\u3044","author_name":"osanine","author_url":"https://blog.hatena.ne.jp/osanine/","type":"rich"}