annotate slide.pdf.html @ 17:a176ea5c0264

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author anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
date Fri, 19 Apr 2019 23:22:02 +0900
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10 <title>Perl6の内部表現</title>
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12 <meta name="generator" content="Slide Show (S9) v4.1.0 on Ruby 2.6.3 (2019-04-16) [x86_64-darwin17]">
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13 <meta name="author" content="Takahiro Shimizu" >
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24 <script src="s6/js/jquery.slideshow.controls.js"></script>
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28 <!-- prettify -->
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47 </div>
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51 <div class="presentation">
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53 <div class='slide cover'>
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54 <table width="90%" height="90%" border="0" align="center">
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56 <td>
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57 <div align="center">
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58 <h1><font color="#808db5">Perl6の内部表現</font></h1>
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59 </div>
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60 </td>
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61 </tr>
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63 <td>
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64 <div align="left">
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65 Takahiro Shimizu
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67 <hr style="color:#ffcc00;background-color:#ffcc00;text-align:left;border:none;width:100%;height:0.2em;">
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68 </div>
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69 </td>
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70 </tr>
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71 </table>
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72 </div>
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75 <div class='slide'>
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77 <!-- _S9SLIDE_ -->
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78 <h2 id="このセッションの内容">このセッションの内容</h2>
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79
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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80 <ul>
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81 <li>Perl6の主要な実装であるRakudoの内部構造を探ります</li>
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82 <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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83 <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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84 </ul>
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88 </div>
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90 <div class='slide'>
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91 <!-- _S9SLIDE_ -->
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92 <h2 id="内容">内容</h2>
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93 <ul>
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94 <li>Perl6とは?</li>
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95 <li>スクリプト言語処理系の動き</li>
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96 <li>Perl6の内部構造
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97 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
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98 <li>NQP</li>
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99 <li>MoarVM
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100 <ul>
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101 <li>NQPとMoarVMのバイトコード対応</li>
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102 <li>バイトコードインタプリタのC言語実装</li>
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103 <li>MoarVMの詳細</li>
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104 </ul>
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105 </li>
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106 </ul>
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107 </li>
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108 <li>MoarVMのバイトコード実行</li>
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109 <li>まとめ</li>
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110 </ul>
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anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
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114 </div>
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116 <div class='slide'>
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117 <!-- _S9SLIDE_ -->
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118 <h2 id="perl6とは">Perl6とは</h2>
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119 <ul>
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120 <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
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121 <ul>
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122 <li>現在は別の言語として開発がそれぞれ進んでいる</li>
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123 </ul>
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124 </li>
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125 <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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126 <li>実装は歴史上複数存在しているが,主流な実装はRakudo</li>
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127 <li>言語的にはスクリプト言語であり, 漸進的型付き言語</li>
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128 <li>動作環境は、独自のVMのMoarVM, JVM、一部JavaScript上で動作する</li>
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129 </ul>
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130
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131 <p><img src="fig/2000px-Camelia.svg.png" alt="" style="width: 31%; height: auto;" /></p>
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135 </div>
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138 <!-- _S9SLIDE_ -->
9
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
139 <h2 id="現在のperl6">現在のPerl6</h2>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
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140
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
141 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
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142 <li>現在のバージョンは <code>6.d</code></li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
143 <li><a href="https://perl6.github.io/6pad/">ブラウザ上で実行可能な環境</a>が存在する</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
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144 <li><a href="https://commaide.com/">IDE</a>が開発されている</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
145 <li>WebApplicationFrameworkなども開発されており、 Perl5のモジュールを移行したものがいくつか存在する</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
146 <li>日本では趣味のプロダクト以外社会では使用されていない
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
147 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
148 <li>海外では実際に使われているケースも存在する</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
149 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
150 </li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
151 <li>処理速度では一部Perl5に勝っているが、それでも大分遅い</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
152 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
153
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
154
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
155
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
156 </div>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
157
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
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158 <div class='slide'>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
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159 <!-- _S9SLIDE_ -->
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
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160 <h2 id="参考perl5のソースコード">[参考]Perl5のソースコード</h2>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
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161
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
162 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
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163 <li>Perl5時代
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
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164 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
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165 <li>スカラ、配列、ハッシュの3種類</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
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166 <li>それぞれの変数への参照であるリファレンスが使用可能</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
167 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
168 </li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
169 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
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170
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
171 <pre><code class="language-perl">use ustrict;
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
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172 use warnings;
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
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173
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
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174 my $scalar_value = "hello!";
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
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175 print "$scalar_value\n";
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
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176
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
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177 my @array = (1..10);
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
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178 print "$array[0]\n";
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
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179
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
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180 my %hash = ( this_is_key =&gt; "this_is_value");
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
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181 print "$hash{this_is_key}\n";
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
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182
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
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183 my $hash_ref = \%hash;
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
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184 print "$hash_ref-&gt;{this_is_key}\n";
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
185 </code></pre>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
186
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
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187
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
188
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
189 </div>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
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190
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
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191 <div class='slide'>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
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192 <!-- _S9SLIDE_ -->
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 5
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193 <h2 id="perl6のソースコード概要">Perl6のソースコード概要</h2>
0
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anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
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194
19155754a586 create OSC2019 slide template
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
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195 <ul>
9
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
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196 <li>Perl5の文法とは比較的変更が多い
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
197 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
198 <li>雰囲気は似ている</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
199 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
200 </li>
1
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 0
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201 <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>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
202 </ul>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
203
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
204 <pre><code>my $str_value = 'hello world!';
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 0
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205 $str_value.say; # hello world!
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
206 </code></pre>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
207
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
208 <ul>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
209 <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>
0
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anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents:
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210 </ul>
19155754a586 create OSC2019 slide template
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents:
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211
1
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
212 <pre><code>my $sample_value = 'hello world!';
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
213 $sample_value.say; # hello world!
0
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anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents:
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214
1
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
215 $sample_value = '31';
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
216 $sample_value.say; # 31
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
217
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
218 say($sample_value * 3);
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
219 </code></pre>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
220
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 5
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221
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 5
diff changeset
222
1
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
223 </div>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
224
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 5
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225 <div class='slide'>
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 5
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226 <!-- _S9SLIDE_ -->
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 5
diff changeset
227 <h2 id="perl6の言語的な特徴">Perl6の言語的な特徴</h2>
1
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
228
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
229 <ul>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
230 <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>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
231 </ul>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
232
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
233 <pre><code>my Int $int_value = 31;
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 0
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234 $int_value = "hello"; # Compile error!
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
235 </code></pre>
2
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 1
diff changeset
236
7
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
237 <pre><code>$ perl6 type_invalid.p6
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
238 Type check failed in assignment to $int_value; expected Int but got Str ("hello")
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
239 in block &lt;unit&gt; at type_invalid.p6 line 4
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
240 </code></pre>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
241
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 5
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242
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 5
diff changeset
243
2
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 1
diff changeset
244 </div>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 1
diff changeset
245
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 5
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246 <div class='slide'>
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 5
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247 <!-- _S9SLIDE_ -->
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 5
diff changeset
248 <h2 id="perl6の言語的な特徴-1">Perl6の言語的な特徴</h2>
4
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 3
diff changeset
249
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 3
diff changeset
250 <ul>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 3
diff changeset
251 <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>
parents: 3
diff changeset
252 <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>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 3
diff changeset
253 </ul>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 3
diff changeset
254
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parents: 5
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255 <pre><code class="language-perl6">my subset Fizz of Int where * %% 3;
4
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 3
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256 my subset Buzz of Int where * %% 5;
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 3
diff changeset
257 my subset FizzBuzz of Int where Fizz&amp;Buzz;
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 3
diff changeset
258 my subset Number of Int where none Fizz|Buzz;
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 3
diff changeset
259
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 3
diff changeset
260 proto sub fizzbuzz ($) { * }
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 3
diff changeset
261 multi sub fizzbuzz (FizzBuzz) { "FuzzBuzz" }
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 3
diff changeset
262 multi sub fizzbuzz (Fizz) { "Fizz" }
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 3
diff changeset
263 multi sub fizzbuzz (Buzz) { "Buzz" }
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 3
diff changeset
264 multi sub fizzbuzz (Number $number) { $number }
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 3
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265
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 3
diff changeset
266 fizzbuzz($_).say for 1..15;
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 3
diff changeset
267 </code></pre>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 3
diff changeset
268
9
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
269 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
270 <li>型を利用したFizzBuzz</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
271 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
272
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
273
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
274
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
275 </div>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
276
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
277 <div class='slide'>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
278 <!-- _S9SLIDE_ -->
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
279 <h2 id="スクリプト言語">スクリプト言語</h2>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
280 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
281 <li>Perl6は現状コンパイルすることはできない
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
282 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
283 <li>スクリプト言語の分類</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
284 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
285 </li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
286 <li>現在広く使われているスクリプト言語(Perl,Python,Ruby…)などとPerl6の構成は類似している</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
287 <li>今回はPerl6の実装を追いながら、最近のスクリプト言語処理系の大まかな実装を理解する</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
288 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
289
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
290
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 5
diff changeset
291
7
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
292 </div>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
293
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
294 <div class='slide'>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
295 <!-- _S9SLIDE_ -->
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
296 <h2 id="スクリプト言語処理系">スクリプト言語処理系</h2>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
297 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
298 <li>スクリプト言語は入力として与えられたソースコードを、 直接評価せずにバイトコードにコンパイルする形式が主流となっている</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
299 <li>その為スクリプト言語の実装は大きく2つで構成されている
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
300 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
301 <li>バイトコードに変換するフロントエンド部分</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
302 <li>バイトコードを解釈する仮想機械</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
303 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
304 </li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
305 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
306
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
307 <p><img src="fig/bytecode_sample_generally_lang.svg" width="80%" /></p>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
308
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
309
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 5
diff changeset
310
4
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 3
diff changeset
311 </div>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 3
diff changeset
312
6
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 5
diff changeset
313 <div class='slide'>
f8f9af788fa7 remove !#SLIDE for use slideshow latest version
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 5
diff changeset
314 <!-- _S9SLIDE_ -->
9
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
315 <h2 id="perl6以外のスクリプト言語">Perl6以外のスクリプト言語</h2>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
316
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
317 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
318 <li>現在使われているプロセスVMは言語に組み込まれているものが多い</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
319 <li>JVMやElixirなどのVMは複数の言語で使用されている</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
320 <li>Java
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
321 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
322 <li>JVM</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
323 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
324 </li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
325 <li>Ruby
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
326 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
327 <li>YARV</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
328 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
329 </li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
330 <li>Python
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
331 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
332 <li>PythonVM</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
333 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
334 </li>
12
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 10
diff changeset
335 <li>Erlang</li>
9
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
336 <li>Elixir
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
337 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
338 <li>BEAM</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
339 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
340 </li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
341 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
342
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
343
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
344
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
345 </div>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
346
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
347 <div class='slide'>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
348 <!-- _S9SLIDE_ -->
6
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 5
diff changeset
349 <h2 id="perl6の処理系の構成">Perl6の処理系の構成</h2>
2
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 1
diff changeset
350
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 1
diff changeset
351 <ul>
9
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
352 <li>Perl6の処理系で現在主流なものはRakudoと呼ばれる実装である(歴史上複数存在する)</li>
2
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 1
diff changeset
353 <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>
parents: 1
diff changeset
354 <ul>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 1
diff changeset
355 <li>Perl6インタプリタ</li>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 1
diff changeset
356 <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>
parents: 1
diff changeset
357 <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>
parents: 1
diff changeset
358 </ul>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 1
diff changeset
359 </li>
9
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
360 <li>Perl6/NQPがフロントエンドに相当し、MoarVMがバックエンドに相当する</li>
2
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 1
diff changeset
361 </ul>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 1
diff changeset
362
6
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 5
diff changeset
363
f8f9af788fa7 remove !#SLIDE for use slideshow latest version
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 5
diff changeset
364
2
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 1
diff changeset
365 </div>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 1
diff changeset
366
6
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 5
diff changeset
367 <div class='slide'>
f8f9af788fa7 remove !#SLIDE for use slideshow latest version
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 5
diff changeset
368 <!-- _S9SLIDE_ -->
9
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
369 <h2 id="rakudoの構成図">Rakudoの構成図</h2>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
370
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
371 <p><img src="fig/Rakudo_System_overview.png" alt="" /></p>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
372
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
373 <p>(http://brrt-to-the-future.blogspot.com/2015/03/advancing-jit-compiler.html)</p>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
374
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
375
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
376
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
377 </div>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
378
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
379 <div class='slide'>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
380 <!-- _S9SLIDE_ -->
6
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 5
diff changeset
381 <h2 id="perl6とnqp">Perl6とNQP</h2>
2
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 1
diff changeset
382
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 1
diff changeset
383 <ul>
9
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
384 <li>NQP(NotQuitPerl Perl)
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
385 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
386 <li>Perl6のサブセット。Perl6っぽい言語</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
387 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
388 </li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
389 <li>Perl6、 NQP自体がNQPで記述されている</li>
2
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 1
diff changeset
390 <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>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 1
diff changeset
391 <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>
9
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
392 <li>元々はPerl6の主力実装がParrotだった時代に登場
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
393 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
394 <li>文法がアップデートされており、当時の資料は古くなっている</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
395 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
396 </li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
397 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
398
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
399 <pre><code>my $value := "hello!";
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
400 say($value);
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
401 </code></pre>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
402
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
403
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
404
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
405 </div>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
406
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
407 <div class='slide'>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
408 <!-- _S9SLIDE_ -->
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
409 <h2 id="nqpスクリプト">NQPスクリプト</h2>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
410
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
411 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
412 <li>変数は束縛 <code>:=</code> を使う</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
413 <li>関数の間に空白を入れてはいけない</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
414 <li>再帰呼び出しを使うフィボナッチ数列</li>
2
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 1
diff changeset
415 </ul>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 1
diff changeset
416
4
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 3
diff changeset
417 <pre><code>#! nqp
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 3
diff changeset
418 sub fib($n) {
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 3
diff changeset
419 $n &lt; 2 ?? $n !! fib($n-1) + fib($n - 2);
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 3
diff changeset
420 }
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 3
diff changeset
421
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 3
diff changeset
422 my $N := 29;
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 3
diff changeset
423
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 3
diff changeset
424 my $z := fib($N);
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 3
diff changeset
425
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 3
diff changeset
426 nqp::say("fib($N) = " ~ fib($N));
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 3
diff changeset
427 </code></pre>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 3
diff changeset
428
6
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 5
diff changeset
429
f8f9af788fa7 remove !#SLIDE for use slideshow latest version
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 5
diff changeset
430
2
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 1
diff changeset
431 </div>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 1
diff changeset
432
6
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 5
diff changeset
433 <div class='slide'>
f8f9af788fa7 remove !#SLIDE for use slideshow latest version
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 5
diff changeset
434 <!-- _S9SLIDE_ -->
9
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
435 <h2 id="nqpスクリプトnまでの整数の和">NQPスクリプト(nまでの整数の和)</h2>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
436
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
437 <pre><code class="language-perl6">sub add_test($n){
10
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
438 my $sum := 0;
9
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
439 while ( $n &gt; 1) {
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
440 $sum := $sum + $n;
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
441 --$n;
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
442 }
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
443 return $sum;
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
444 }
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
445
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
446 say(add_test(10000));
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
447 </code></pre>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
448
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
449
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
450
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
451 </div>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
452
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
453 <div class='slide'>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
454 <!-- _S9SLIDE_ -->
10
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
455 <h2 id="nqp">NQP</h2>
9
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
456
2
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 1
diff changeset
457 <ul>
9
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
458 <li>NQPはPerl6の中で一番レイヤーが低い言語</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
459 <li>その為、 実行するVMのオペコード(処理単位)を使用することができる</li>
10
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
460 <li>NQPオペコードは、 Perl6の内部の抽象構文木でも使用されている</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
461 <li>また、 Perl6と同様に型を指定することが可能</li>
9
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
462 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
463
10
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
464 <pre><code class="language-perl6">sub add_test(int $n){
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
465 mu $sum := 0;
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
466 while nqp::isgt_i($n,1) {
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
467 $sum := nqp::add_i($sum,$n);
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
468 $n := nqp::sub_i($n,1);
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
469 }
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
470 return $sum;
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
471 }
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
472 </code></pre>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
473
9
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
474
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
475
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
476 </div>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
477
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
478 <div class='slide'>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
479 <!-- _S9SLIDE_ -->
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
480 <h2 id="nqpとmoarvm">NQPとMoarVM</h2>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
481 <ul>
14
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
482 <li>NQPは実行する際にMoarVM/JVMが必要となる
5
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 4
diff changeset
483 <ul>
9
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
484 <li>NQPコンパイラが各VMに対応したバイトコードに変換する</li>
3
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 2
diff changeset
485 </ul>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 2
diff changeset
486 </li>
14
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
487 <li>MoarVMの場合は、MoarVMのバイナリ moar に、 NQPのインタプリタのバイトコードをライブラリや入力として与える</li>
7
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
488 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
489
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
490
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
491
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
492 </div>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
493
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
494 <div class='slide'>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
495 <!-- _S9SLIDE_ -->
9
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
496 <h2 id="perl6のvm">Perl6のVM</h2>
7
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
497 <ul>
9
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
498 <li>MoarVM, JVM , JavaScriptが選択可能
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
499 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
500 <li>メインで開発されているのはMoarVMであり、 他のVMは機能が実装されていないものが存在する</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
501 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
502 </li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
503 <li><code>rakudo-star</code> というPerl6のパッケージ環境では、 MoarVMがデフォルトでインストールされる</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
504 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
505
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
506
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
507
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
508 </div>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
509
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
510 <div class='slide'>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
511 <!-- _S9SLIDE_ -->
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
512 <h2 id="moarvm">MoarVM</h2>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
513 <ul>
14
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
514 <li>Metamodel On A Runtime</li>
9
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
515 <li>C言語で記述されているPerl6専用の仮想機械</li>
7
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
516 <li>レジスタマシン
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
517 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
518 <li>型情報を持つレジスタに対しての演算として処理される</li>
9
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 7
diff changeset
519 <li>Rubyなどはスタックマシンとして実装されている</li>
7
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
520 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
521 </li>
14
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
522 <li>Unicodeのサポートや、LuaJITなどを利用したJITコンパイルなども可能</li>
7
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
523 <li>Perl6やNQPは、MoarVMに対してライブラリなどを設定して起動する</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
524 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
525
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
526
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
527
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
528 </div>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
529
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
530 <div class='slide'>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
531 <!-- _S9SLIDE_ -->
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
532 <h2 id="バイトコード">バイトコード</h2>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 6
diff changeset
533 <ul>
3
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 2
diff changeset
534 <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>
10
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
535 <li>Perl6/NQPはバイトコードにコンパイルすることが可能
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
536 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
537 <li>直接実行することはできない</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
538 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
539 </li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
540 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
541
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
542 <pre><code>$nqp --target=mbc --output=fib.moarvm fib.nqp
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
543 </code></pre>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
544
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
545
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
546
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
547 </div>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
548
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
549 <div class='slide'>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
550 <!-- _S9SLIDE_ -->
12
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 10
diff changeset
551 <h2 id="バイトコード-1">バイトコード</h2>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 10
diff changeset
552 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 10
diff changeset
553 <li>バイナリ形式で表現される為、 VMがどのように読み取るかでバイトコードの意味が異なる</li>
14
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
554 <li>スクリプト言語系のVMは、 VMという名前の通り、 計算機をエミュレートしている
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
555 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
556 <li>その為、通常のCPUのストア命令などに相当する命令が実装されている</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
557 <li>スクリプト言語は、その命令の実行を繰り返すことでプログラムを評価する</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
558 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
559 </li>
12
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 10
diff changeset
560 <li>スクリプト言語で重要なバイトコード表現は、「仮想機械がどの命令を実行するか」のバイトコード
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 10
diff changeset
561 <ul>
14
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
562 <li>CPUに対するアセンブラの数値に対応する</li>
12
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 10
diff changeset
563 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 10
diff changeset
564 </li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 10
diff changeset
565 <li>どういった構成なのかは仮想機械によって異なる</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 10
diff changeset
566 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 10
diff changeset
567
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 10
diff changeset
568
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 10
diff changeset
569
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 10
diff changeset
570 </div>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 10
diff changeset
571
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 10
diff changeset
572 <div class='slide'>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 10
diff changeset
573 <!-- _S9SLIDE_ -->
10
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
574 <h2 id="バイトコードとmoarvm">バイトコードとMoarVM</h2>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
575
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
576 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
577 <li>MoarVMバイトコードはMoarVMの実行バイナリ <code>moar</code> でディスアセンブルすることが可能</li>
2
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 1
diff changeset
578 </ul>
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 1
diff changeset
579
10
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
580 <pre><code> annotation: add_test.nqp:1
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
581 00003 const_i64_16 loc_2_int, 0
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
582 00004 hllboxtype_i loc_3_obj
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
583 00005 box_i loc_3_obj, loc_2_int, loc_3_obj
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
584 00006 set loc_1_obj, loc_3_obj
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
585 label_1:
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
586 00007 decont loc_3_obj, loc_0_obj
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
587 00008 smrt_numify loc_4_num, loc_3_obj
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
588 00009 const_i64_16 loc_2_int, 1
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
589 00010 coerce_in loc_5_num, loc_2_int
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
590 00011 gt_n loc_2_int, loc_4_num, loc_5_num
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
591 00012 unless_i loc_2_int, label_2(00031)
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
592 00013 osrpoint
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
593 annotation: add_test.nqp:3
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
594 00014 decont loc_3_obj, loc_1_obj
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
595 00015 smrt_numify loc_5_num, loc_3_obj
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
596 00016 decont loc_3_obj, loc_0_obj
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
597 00017 smrt_numify loc_4_num, loc_3_obj
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
598 00018 add_n loc_4_num, loc_5_num, loc_4_num
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
599 00019 hllboxtype_n loc_3_obj
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
600 00020 box_n loc_3_obj, loc_4_num, loc_3_obj
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
601 00021 set loc_1_obj, loc_3_obj
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
602 00022 decont loc_3_obj, loc_0_obj
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
603 00023 smrt_numify loc_4_num, loc_3_obj
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
604 00024 coerce_ni loc_6_int, loc_4_num
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
605 00025 const_i64_16 loc_7_int, 1
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
606 00026 sub_i loc_7_int, loc_6_int, loc_7_int
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
607 00027 hllboxtype_i loc_3_obj
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
608 00028 box_i loc_3_obj, loc_7_int, loc_3_obj
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
609 00029 set loc_0_obj, loc_3_obj
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
610 00030 goto label_1(00007)
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
611 </code></pre>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
612
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
613
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
614
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
615 </div>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
616
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
617 <div class='slide'>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
618 <!-- _S9SLIDE_ -->
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
619 <h2 id="nqpとバイトコードの対応">NQPとバイトコードの対応</h2>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
620
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
621 <pre><code>say(add_test(10000));
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
622 </code></pre>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
623
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
624 <pre><code> annotation: add_test.nqp:1
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
625 label_1:
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
626 00020 getlex_no loc_7_obj, '&amp;say'
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
627 00021 decont loc_7_obj, loc_7_obj
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
628 00022 const_s loc_3_str, '&amp;add_test'
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
629 00023 getlexstatic_o loc_8_obj, loc_3_str
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
630 00024 decont loc_8_obj, loc_8_obj
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
631 00025 const_i64_16 loc_5_int, 10000
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
632 00026 prepargs Callsite_1
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
633 00027 arg_i 0, loc_5_int
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
634 00028 invoke_o loc_8_obj, loc_8_obj
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
635 00029 prepargs Callsite_0
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
636 00030 arg_o 0, loc_8_obj
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
637 00031 invoke_v loc_7_obj
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
638 00032 null loc_7_obj
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
639 00033 return_o loc_7_obj
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
640 </code></pre>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
641
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
642 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
643 <li>Perl6の変数は直接実態を参照せず、中身が入っているコンテナを参照するようになっている。</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
644 <li>その為 <code>decont</code> 命令で、コンテナの中身をレジスタに設定する必要がある</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
645 <li><code>const_i64_16</code> などは64bitの数という意味で、 <code>int</code> 型としてレジスタに登録している</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
646 <li><code>prepargs</code> で引数の確認を行い, <code>invoke_o</code> で実際にサブルーチンに移行する</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
647 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
648
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
649
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
650
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
651 </div>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
652
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
653 <div class='slide'>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
654 <!-- _S9SLIDE_ -->
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
655 <h2 id="nqpとバイトコードの対応-1">NQPとバイトコードの対応</h2>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
656
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
657 <pre><code>my $sum := 0;
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
658 </code></pre>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
659
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
660 <pre><code> annotation: add_test.nqp:1
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
661 00003 const_i64_16 loc_2_int, 0
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
662 00004 hllboxtype_i loc_3_obj
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
663 00005 box_i loc_3_obj, loc_2_int, loc_3_obj
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
664 00006 set loc_1_obj, loc_3_obj
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
665 </code></pre>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
666
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
667 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
668 <li>まず <code>loc_2</code> レジスタをint型の整数0で初期化する</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
669 <li>変数 <code>$sum</code> はint型の指定がないので、 obj型で登録しなければならない</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
670 <li>その為, 整数として登録された <code>loc_2</code> から、 obj型に一旦キャストし、 <code>loc_3</code> レジスタに設定したものを、 <code>loc_1</code> レジスタに設定する</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
671 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
672
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
673
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
674
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
675 </div>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
676
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
677 <div class='slide'>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
678 <!-- _S9SLIDE_ -->
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
679 <h2 id="nqpとバイトコードの対応-2">NQPとバイトコードの対応</h2>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
680
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
681 <pre><code> while ( $n &gt; 1) {
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
682 </code></pre>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
683
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
684 <pre><code> label_1:
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
685 00007 decont loc_3_obj, loc_0_obj
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
686 00008 smrt_numify loc_4_num, loc_3_obj
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
687 00009 const_i64_16 loc_2_int, 1
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
688 00010 coerce_in loc_5_num, loc_2_int
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
689 00011 gt_n loc_2_int, loc_4_num, loc_5_num
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
690 00012 unless_i loc_2_int, label_2(00031)
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
691 00013 osrpoint
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
692 </code></pre>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
693
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
694 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
695 <li>比較にもint型の指定がない為、 <code>num</code> 型にキャストし、 <code>num</code> 型のレジスタでの大小を比較する</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
696 <li>比較命令は <code>gt_n</code> であり、 結果により <code>unless_i</code> 命令で、別のラベルにジャンプする</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 9
diff changeset
697 </ul>
6
f8f9af788fa7 remove !#SLIDE for use slideshow latest version
Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 5
diff changeset
698
14
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
699
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
700
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
701 </div>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
702
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
703 <div class='slide'>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
704 <!-- _S9SLIDE_ -->
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
705 <h2 id="decode命令">decode命令</h2>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
706
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
707 <pre><code> while ( $n &gt; 1) {
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
708 </code></pre>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
709
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
710 <pre><code>00007 decont loc_3_obj, loc_0_obj
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
711 </code></pre>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
712
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
713 <p><img src="fig/decont_perl6_loc3.svg" alt="" /></p>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
714
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
715 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
716 <li>変数 <code>$n</code> と 整数 <code>1</code> を大小比較する為、 まず <code>$n</code> から値を取り出す</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
717 <li>とりだした時点では、何の型で使うかは決定していない為、 obj型として判定する</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
718 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
719
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
720
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
721
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
722 </div>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
723
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
724 <div class='slide'>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
725 <!-- _S9SLIDE_ -->
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
726 <h2 id="smrt_nomify">smrt_nomify</h2>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
727
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
728 <pre><code> while ( $n &gt; 1) {
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
729 </code></pre>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
730
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
731 <pre><code>00008 smrt_numify loc_4_num, loc_3_obj
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
732 </code></pre>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
733
17
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
734 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
735 <li><code>smrt_numify</code> はレジスタ上のオブジェクトを、 num型に変換し、 別のレジスタに登録する命令</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
736 <li>今回の整数の比較では、 int型の強制がない為、 数値として比較するためにnum型にキャストしている</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
737 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
738
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
739 <p><img src="fig/perl6_num_convert.svg" alt="" /></p>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
740
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
741
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
742
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
743 </div>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
744
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
745 <div class='slide'>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
746 <!-- _S9SLIDE_ -->
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
747 <h2 id="moarvmのバイトコードインタプリタ部分">MoarVMのバイトコードインタプリタ部分</h2>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
748 <p>MoarVMなどの言語処理系のバイトコードインタプリタは次のことを繰り返している</p>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
749 <ol>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
750 <li>入力されたバイトコード列から命令に対応する部分を読み取る</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
751 <li>読み込んだ数値から、 対応する命令を取得する</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
752 <li>命令部分を実行する</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
753 <li>バイトコード列を次に進め、繰り返す</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
754 </ol>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
755
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
756 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
757 <li>この部分の実装は大体次のような処理をしている</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
758 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
759
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
760
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
761
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
762 </div>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
763
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
764 <div class='slide'>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
765 <!-- _S9SLIDE_ -->
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
766 <h2 id="巨大なswitch文を使うケース">巨大なswitch文を使うケース</h2>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
767
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
768 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
769 <li>命令に対応するバイトコードを数値に変換できるようにし、 switch-case文で分岐させる</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
770 <li>実行のたびにループで先頭に戻り、次の命令を計算する必要があるので低速</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
771 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
772
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
773 <pre><code>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
774 </code></pre>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
775
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
776
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
777
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
778 </div>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
779
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
780 <div class='slide'>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
781 <!-- _S9SLIDE_ -->
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
782 <h2 id="cコンパイラのラベルgotoを使うケース">Cコンパイラのラベルgotoを使うケース</h2>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
783
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
784 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
785 <li>巨大なcase文とループではなく、 次の命令の実行場所に直接jmpで移動する</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
786 <li>次の命令に対応するラベルを取得する必要があるが、 ループする必要がなく高速</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
787 <li>ラベルgotoであり、 Cコンパイラの拡張機能として搭載されている
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
788 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
789 <li>gccおよびLLVM/clangには実装されている</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
790 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
791 </li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
792 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
793
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
794 <pre><code>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
795 </code></pre>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
796
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
797
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
798
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
799 </div>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
800
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
801 <div class='slide'>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
802 <!-- _S9SLIDE_ -->
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
803 <h2 id="moarvmでは">MoarVMでは</h2>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
804 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
805 <li>ラベルgotoが利用できる場合は利用する</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
806 <li>使えないコンパイラの場合は、 switch文を利用する
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
807 <ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
808 <li>この判断はマクロで処理をしている</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
809 </ul>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
810 </li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
811 <li>一般的にはラベルgotoの方が高速である為、他のスクリプト言語でもラベルgotoが使われている</li>
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
812 </ul>
14
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 12
diff changeset
813
0
19155754a586 create OSC2019 slide template
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
814 </div>
19155754a586 create OSC2019 slide template
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
815
19155754a586 create OSC2019 slide template
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
816
19155754a586 create OSC2019 slide template
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
817 </div><!-- presentation -->
19155754a586 create OSC2019 slide template
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
818 </body>
19155754a586 create OSC2019 slide template
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
819 </html>