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| author | Kartik K. Agaram <vc@akkartik.com> | 2015-07-13 20:53:41 -0700 |
|---|---|---|
| committer | Kartik K. Agaram <vc@akkartik.com> | 2015-07-13 20:53:41 -0700 |
| commit | 83fcebf3210b638d9f8248e0007e9f0c9804980a (patch) | |
| tree | 95c4855bef341e1d46eb4725b54a3eaaf6858f08 /html/045space_surround.cc.html | |
| parent | 8b9f1750c74c7d3cca99d6949a90cd61eb8e0218 (diff) | |
| download | mu-83fcebf3210b638d9f8248e0007e9f0c9804980a.tar.gz | |
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Diffstat (limited to 'html/045space_surround.cc.html')
| -rw-r--r-- | html/045space_surround.cc.html | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/html/045space_surround.cc.html b/html/045space_surround.cc.html new file mode 100644 index 00000000..a01f4094 --- /dev/null +++ b/html/045space_surround.cc.html @@ -0,0 +1,90 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> +<html> +<head> +<meta http-equiv="content-type" content="text/html; charset=UTF-8"> +<title>Mu - 045space_surround.cc</title> +<meta name="Generator" content="Vim/7.4"> +<meta name="plugin-version" content="vim7.4_v1"> +<meta name="syntax" content="cpp"> +<meta name="settings" content="use_css,pre_wrap,no_foldcolumn,expand_tabs,prevent_copy="> +<meta name="colorscheme" content="minimal"> +<style type="text/css"> +<!-- +pre { white-space: pre-wrap; font-family: monospace; color: #eeeeee; background-color: #080808; } +body { font-family: monospace; color: #eeeeee; background-color: #080808; } +* { font-size: 1.05em; } +.traceContains { color: #008000; } +.Constant { color: #00a0a0; } +.Comment { color: #9090ff; } +.Delimiter { color: #a04060; } +.Special { color: #ff6060; } +.Identifier { color: #804000; } +--> +</style> + +<script type='text/javascript'> +<!-- + +--> +</script> +</head> +<body> +<pre id='vimCodeElement'> +<span class="Comment">//: So far you can have global variables by not setting default-space, and</span> +<span class="Comment">//: local variables by setting default-space. You can isolate variables</span> +<span class="Comment">//: between those extremes by creating 'surrounding' spaces.</span> +<span class="Comment">//:</span> +<span class="Comment">//: (Surrounding spaces are like lexical scopes in other languages.)</span> + +<span class="Delimiter">:(scenario surrounding_space)</span> +<span class="Comment"># location 1 in space 1 refers to the space surrounding the default space, here 20.</span> +recipe main [ + <span class="Constant">10</span>:number<span class="Special"> <- </span>copy <span class="Constant">5</span>:literal <span class="Comment"># pretend array</span> + <span class="Constant">20</span>:number<span class="Special"> <- </span>copy <span class="Constant">5</span>:literal <span class="Comment"># pretend array</span> + default-space:address:array:location<span class="Special"> <- </span>copy <span class="Constant">10</span>:literal + <span class="Constant">0</span>:address:array:location/names:dummy<span class="Special"> <- </span>copy <span class="Constant">20</span>:literal <span class="Comment"># later layers will explain the /names: property</span> + <span class="Constant">1</span>:number<span class="Special"> <- </span>copy <span class="Constant">32</span>:literal + <span class="Constant">1</span>:number/space:<span class="Constant">1</span><span class="Special"> <- </span>copy <span class="Constant">33</span>:literal +] +<span class="Comment"># chain space</span> +<span class="traceContains">+mem: storing 20 in location 11</span> +<span class="Comment"># store to default-space</span> +<span class="traceContains">+mem: storing 32 in location 12</span> +<span class="Comment"># store to chained space</span> +<span class="traceContains">+mem: storing 33 in location 22</span> + +<span class="Comment">//: If you think of a space as a collection of variables with a common</span> +<span class="Comment">//: lifetime, surrounding allows managing shorter lifetimes inside a longer</span> +<span class="Comment">//: one.</span> + +<span class="Delimiter">:(replace{} "long long int space_base(const reagent& x)")</span> +long long int space_base<span class="Delimiter">(</span>const reagent& x<span class="Delimiter">)</span> <span class="Delimiter">{</span> + <span class="Identifier">return</span> space_base<span class="Delimiter">(</span>x<span class="Delimiter">,</span> space_index<span class="Delimiter">(</span>x<span class="Delimiter">),</span> Current_routine<span class="Delimiter">-></span>calls<span class="Delimiter">.</span>front<span class="Delimiter">().</span>default_space<span class="Delimiter">);</span> +<span class="Delimiter">}</span> + +long long int space_base<span class="Delimiter">(</span>const reagent& x<span class="Delimiter">,</span> long long int space_index<span class="Delimiter">,</span> long long int base<span class="Delimiter">)</span> <span class="Delimiter">{</span> + if <span class="Delimiter">(</span>space_index == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> + <span class="Identifier">return</span> base<span class="Delimiter">;</span> + <span class="Delimiter">}</span> + long long int result = space_base<span class="Delimiter">(</span>x<span class="Delimiter">,</span> space_index-<span class="Constant">1</span><span class="Delimiter">,</span> Memory[base+<span class="Constant">1</span>]<span class="Delimiter">);</span> + <span class="Identifier">return</span> result<span class="Delimiter">;</span> +<span class="Delimiter">}</span> + +long long int space_index<span class="Delimiter">(</span>const reagent& x<span class="Delimiter">)</span> <span class="Delimiter">{</span> + for <span class="Delimiter">(</span>long long int i = <span class="Comment">/*</span><span class="Comment">skip name:type</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>x<span class="Delimiter">.</span>properties<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> + if <span class="Delimiter">(</span>x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>first == <span class="Constant">"space"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> + assert<span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second<span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">);</span> + <span class="Identifier">return</span> to_integer<span class="Delimiter">(</span>x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span> + <span class="Delimiter">}</span> + <span class="Delimiter">}</span> + <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span> +<span class="Delimiter">}</span> + +<span class="Delimiter">:(scenario permit_space_as_variable_name)</span> +recipe main [ + space:number<span class="Special"> <- </span>copy <span class="Constant">0</span>:literal +] +</pre> +</body> +</html> +<!-- vim: set foldmethod=manual : --> |