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author Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
date Thu, 18 Apr 2019 17:23:28 +0900
parents 8f21c0f19c09
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1 <!DOCTYPE html>
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2 <html>
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3 <head>
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4 <meta http-equiv="content-type" content="text/html;charset=utf-8">
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5 <title>Perl6の内部表現</title>
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7 <meta name="generator" content="Slide Show (S9) v2.5.0 on Ruby 2.4.2 (2017-09-14) [x86_64-darwin16]">
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8 <meta name="author" content="Takahiro Shimizu" >
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10 <!-- style sheet links -->
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11 <link rel="stylesheet" href="s6/themes/screen.css" media="screen">
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12 <link rel="stylesheet" href="s6/themes/print.css" media="print">
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13 <link rel="stylesheet" href="s6/themes/blank.css" media="screen,projection">
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15 <!-- JS -->
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16 <script src="s6/js/jquery-1.11.3.min.js"></script>
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17 <script src="s6/js/jquery.slideshow.js"></script>
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18 <script src="s6/js/jquery.slideshow.counter.js"></script>
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19 <script src="s6/js/jquery.slideshow.controls.js"></script>
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20 <script src="s6/js/jquery.slideshow.footer.js"></script>
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21 <script src="s6/js/jquery.slideshow.autoplay.js"></script>
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23 <!-- prettify -->
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24 <link rel="stylesheet" href="scripts/prettify.css">
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25 <script src="scripts/prettify.js"></script>
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27 <style>
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28 .slide {page-break-after: always;}
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29 </style>
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34 </head>
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35 <body>
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37 <div class="layout">
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38 <div id="header"></div>
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39 <div id="footer">
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40 <div align="right">
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41 <img src="s6/images/logo.svg" width="200px">
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42 </div>
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43 </div>
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44 </div>
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46 <div class="presentation">
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47
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48 <div class='slide cover'>
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49 <table width="90%" height="90%" border="0" align="center">
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51 <td>
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52 <div align="center">
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53 <h1><font color="#808db5">Perl6の内部表現</font></h1>
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54 </div>
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55 </td>
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56 </tr>
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57 <tr>
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58 <td>
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59 <div align="left">
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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60 Takahiro Shimizu
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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61
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62 <hr style="color:#ffcc00;background-color:#ffcc00;text-align:left;border:none;width:100%;height:0.2em;">
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63 </div>
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64 </td>
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65 </tr>
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66 </table>
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67 </div>
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69 <div class='slide '>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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70 <!-- === begin markdown block ===
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72 generated by markdown/1.2.0 on Ruby 2.4.2 (2017-09-14) [x86_64-darwin16]
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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73 on 2019-04-18 17:22:44 +0900 with Markdown engine kramdown (1.16.2)
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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74 using options {}
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75 -->
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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76 <h2 id="section">このセッションの内容</h2>
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77
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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78 <ul>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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79 <li>Perl6の主要な実装であるRakudoの内部構造を探ります</li>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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80 <li>Rakudoの内部で利用されているVMや， Perl6のサブセットなどについて探索します</li>
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81 <li>スクリプト言語で主に使われているバイトコードインタプリタの気持ちになります</li>
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82 </ul>
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83
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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84 </div>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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85 <div class='slide '>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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86 <!-- _S9SLIDE_ -->
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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87
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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88 <h2 id="perl6">Perl6とは</h2>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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89 <ul>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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90 <li>当初Perl5の時期バージョンとして開発されていたプログラミング言語</li>
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91 <li>仕様と実装が分離しており， 現在はテストが仕様となっている</li>
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92 <li>実装は複数存在しているが，現在主流な実装はRakudoとなっている</li>
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93 <li>言語的にはスクリプト言語であり， 漸進的型付き言語となっている</li>
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94 <li>MoarVM, JVMで動作する</li>
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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95 </ul>
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96
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97 <p><img src="2000px-Camelia.svg.png" alt="" style="width: 31%; height: auto;" /></p>
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98
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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99 </div>
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100 <div class='slide '>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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101 <!-- _S9SLIDE_ -->
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102
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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103 <h2 id="perl6-1">Perl6のソースコード概要</h2>
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104
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105 <ul>
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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106 <li>Perl5の文法とは比較的変更が多い</li>
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107 <li>変数がオブジェクトと化した事により， 変数からsayメソッドを呼ぶことが可能</li>
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108 </ul>
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109
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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110 <pre><code>my $str_value = 'hello world!';
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111 $str_value.say; # hello world!
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112 </code></pre>
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113
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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114 <ul>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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115 <li>Perl5と同様に，変数にはデフォルトでは型がないような振る舞いをする</li>
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116 </ul>
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117
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118 <pre><code>my $sample_value = 'hello world!';
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119 $sample_value.say; # hello world!
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120
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121 $sample_value = '31';
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122 $sample_value.say; # 31
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123
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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124 say($sample_value * 3);
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125 </code></pre>
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126
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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127 </div>
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128 <div class='slide '>
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129 <!-- _S9SLIDE_ -->
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130
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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131 <h2 id="perl6-2">Perl6の言語的な特徴</h2>
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132
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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133 <ul>
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134 <li>漸進的型付き言語である為， 型を強制することも可能となる</li>
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135 </ul>
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136
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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137 <pre><code>my Int $int_value = 31;
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138 $int_value = "hello"; # Compile error!
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139 </code></pre>
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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141 </div>
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142 <div class='slide '>
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143 <!-- _S9SLIDE_ -->
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144
4
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145 <h2 id="perl6-3">Perl6の言語的な特徴</h2>
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146
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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147 <ul>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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148 <li>型を独自に定義することも可能</li>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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149 <li>入力の型によって実行する関数を変える事などができる</li>
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150 </ul>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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151
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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152 <pre lang="perl6"><code>my subset Fizz of Int where * %% 3;
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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153 my subset Buzz of Int where * %% 5;
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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154 my subset FizzBuzz of Int where Fizz&amp;Buzz;
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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155 my subset Number of Int where none Fizz|Buzz;
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156
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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157 proto sub fizzbuzz ($) { * }
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158 multi sub fizzbuzz (FizzBuzz) { "FuzzBuzz" }
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159 multi sub fizzbuzz (Fizz) { "Fizz" }
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160 multi sub fizzbuzz (Buzz) { "Buzz" }
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161 multi sub fizzbuzz (Number $number) { $number }
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162
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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163 fizzbuzz($_).say for 1..15;
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164 </code></pre>
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165
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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166 </div>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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167 <div class='slide '>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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168 <!-- _S9SLIDE_ -->
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169
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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170 <h2 id="perl6-4">Perl6の処理系の構成</h2>
2
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171
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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172 <ul>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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173 <li>Perl6の処理系は現在はRakudoと呼ばれる(歴史上複数存在する)</li>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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174 <li>Rakudoは3つのレイヤーから構成されている
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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175 <ul>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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176 <li>Perl6インタプリタ</li>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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177 <li>Perl6インタプリタを記述するPerl6のサブセットNQP</li>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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178 <li>Perl6のバイトコードを解釈するMoarVM</li>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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179 </ul>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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180 </li>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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181 <li>このうちPerl6インタプリタとNQPはNQP自身で記述されている</li>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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182 <li>MoarVMはC言語で記述されている</li>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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183 </ul>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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184
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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185 </div>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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186 <div class='slide '>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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187 <!-- _S9SLIDE_ -->
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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188
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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189 <h2 id="perl6nqp">Perl6とNQP</h2>
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190
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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191 <ul>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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192 <li>NQP(NotQuitPerl Perlっぽい別の言語)でRakudoを記述している</li>
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193 <li>NQPもNQPで記述されている為、 セルフビルド(自分自身で自分自身をコンパイルする)を行う</li>
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194 <li>NQPはPerl6の文法をベースにしているが、 制約がいくつか存在する</li>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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195 </ul>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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196
4
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197 <pre><code>#! nqp
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198 sub fib($n) {
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199 $n &lt; 2 ?? $n !! fib($n-1) + fib($n - 2);
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200 }
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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201
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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202 my $N := 29;
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203
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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204 my $t0 := nqp::time_n();
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205 my $z := fib($N);
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206 my $t1 := nqp::time_n();
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207
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208 nqp::say("fib($N) = " ~ fib($N));
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209 nqp::say("time = " ~ ($t1-$t0));
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210 </code></pre>
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211
2
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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212 </div>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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213 <div class='slide '>
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214 <!-- _S9SLIDE_ -->
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215
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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216 <h2 id="section-1">バイトコード</h2>
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217 <ul>
3
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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218 <li>最近のスクリプト言語は、 ソースコードを直接解釈せず、バイトコードに変換する
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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219 <ul>
5
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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220 <li>全体的な処理速度の向上の為</li>
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221 <li>実装を分離することでの見通しの良さ</li>
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222 </ul>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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223 </li>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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224 <li>多言語の環境
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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225 <ul>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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226 <li>Ruby
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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227 <ul>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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228 <li>YARV</li>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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229 </ul>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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230 </li>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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231 <li>Python
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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232 <ul>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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233 <li>PythonVM</li>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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234 </ul>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 4
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235 </li>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 4
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236 <li>Elixir
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 4
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237 <ul>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 4
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238 <li>BEAM</li>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 4
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239 </ul>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 4
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240 </li>
3
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 2
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241 </ul>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 2
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242 </li>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 2
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243 <li>Perl6も、Rakudo/NQPはバイトコードに変換され、 バイトコードをVMが実行する</li>
2
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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244 <li>バイトコード実行部分は、 命令に対応するバイト列を読み込み、 解釈し、 次の命令を読み取ることを繰り返す</li>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 1
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245 </ul>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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246
1
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247 <!-- === end markdown block === -->
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248 </div>
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251 </div><!-- presentation -->
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252 </body>
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253 </html>