3371

author: Kartik K. Agaram <vc@akkartik.com> 2016-09-16 16:04:11 -0700
committer: Kartik K. Agaram <vc@akkartik.com> 2016-09-16 16:04:11 -0700
commit: ced133e40290c30809e6d632cdf1e6f749ea9dd5 (patch)
tree: 8e217620ee5016db6d1be429d2724bd9adfd0881 /html/062rewrite_stash.cc.html
parent: aa2fd725c0e5129bd4a750261f97ababa8af9a12 (diff)
download: mu-ced133e40290c30809e6d632cdf1e6f749ea9dd5.tar.gz
1 files changed, 0 insertions, 183 deletions
diff --git a/html/062rewrite_stash.cc.html b/html/062rewrite_stash.cc.html
deleted file mode 100644
index 8ed4fa38..00000000
--- a/html/062rewrite_stash.cc.html
+++ /dev/null
@@ -1,183 +0,0 @@
-<!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 - 062rewrite_stash.cc</title>
-<meta name="Generator" content="Vim/7.4">
-<meta name="plugin-version" content="vim7.4_v2">
-<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-size: 12pt; font-family: monospace; color: #eeeeee; background-color: #080808; }
-* { font-size: 12pt; font-size: 1em; }
-.Constant { color: #00a0a0; }
-.traceContains { color: #008000; }
-.Comment { color: #9090ff; }
-.Delimiter { color: #800080; }
-.Special { color: #c00000; }
-.Identifier { color: #fcb165; }
-.Normal { color: #eeeeee; background-color: #080808; padding-bottom: 1px; }
--->
-</style>
-
-<script type='text/javascript'>
-<!--
-
--->
-</script>
-</head>
-<body>
-<pre id='vimCodeElement'>
-<span class="Comment">//: when encountering other types, try to convert them to strings using</span>
-<span class="Comment">//: 'to-text'</span>
-
-<span class="Delimiter">:(scenarios transform)</span>
-<span class="Delimiter">:(scenario rewrite_stashes_to_text)</span>
-recipe main [
-  local-scope
-  <span class="Normal">n</span>:number<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
-  stash n
-]
-<span class="traceContains">+transform: {stash_2_0: (&quot;address&quot; &quot;array&quot; &quot;character&quot;)} &lt;- to-text-line {n: &quot;number&quot;}</span>
-<span class="traceContains">+transform: stash {stash_2_0: (&quot;address&quot; &quot;array&quot; &quot;character&quot;)}</span>
-
-<span class="Delimiter">:(scenario rewrite_traces_to_text)</span>
-recipe main [
-  local-scope
-  <span class="Normal">n</span>:number<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
-  trace <span class="Constant">2</span><span class="Delimiter">,</span> [app]<span class="Delimiter">,</span> n
-]
-<span class="traceContains">+transform: {trace_2_2: (&quot;address&quot; &quot;array&quot; &quot;character&quot;)} &lt;- to-text-line {n: &quot;number&quot;}</span>
-<span class="traceContains">+transform: trace {2: &quot;literal&quot;}, {&quot;app&quot;: &quot;literal-string&quot;}, {trace_2_2: (&quot;address&quot; &quot;array&quot; &quot;character&quot;)}</span>
-
-<span class="Comment">//: special case: rewrite attempts to stash contents of most arrays to avoid</span>
-<span class="Comment">//: passing addresses around</span>
-
-<span class="Delimiter">:(scenario rewrite_stashes_of_arrays)</span>
-recipe main [
-  local-scope
-  <span class="Normal">n</span>:address:array:number<span class="Special"> &lt;- </span><span class="Normal">new</span> number:type<span class="Delimiter">,</span> <span class="Constant">3</span>
-  stash *n
-]
-<span class="traceContains">+transform: {stash_2_0: (&quot;address&quot; &quot;array&quot; &quot;character&quot;)} &lt;- array-to-text-line {n: (&quot;address&quot; &quot;array&quot; &quot;number&quot;)}</span>
-<span class="traceContains">+transform: stash {stash_2_0: (&quot;address&quot; &quot;array&quot; &quot;character&quot;)}</span>
-
-<span class="Delimiter">:(scenario ignore_stashes_of_static_arrays)</span>
-recipe main [
-  local-scope
-  <span class="Normal">n</span>:array:number:<span class="Constant">3</span><span class="Special"> &lt;- </span>create-array
-  stash n
-]
-<span class="traceContains">+transform: stash {n: (&quot;array&quot; &quot;number&quot; &quot;3&quot;)}</span>
-
-<span class="Delimiter">:(scenario rewrite_stashes_of_recipe_header_products)</span>
-container foo [
-  <span class="Normal">x</span>:number
-]
-recipe bar <span class="Delimiter">-&gt;</span> x:foo [
-  local-scope
-  load-ingredients
-  x<span class="Special"> &lt;- </span>merge <span class="Constant">34</span>
-  stash x
-]
-<span class="traceContains">+transform: stash {stash_2_0: (&quot;address&quot; &quot;array&quot; &quot;character&quot;)}</span>
-
-<span class="Comment">//: misplaced; should be in instruction inserting/deleting transforms, but has</span>
-<span class="Comment">//: prerequisites: deduce_types_from_header and check_or_set_types_by_name</span>
-<span class="Delimiter">:(after &quot;Transform.push_back(deduce_types_from_header)&quot;)</span>
-Transform<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>rewrite_stashes_to_text<span class="Delimiter">);</span>
-
-<span class="Delimiter">:(code)</span>
-<span class="Normal">void</span> rewrite_stashes_to_text<span class="Delimiter">(</span>recipe_ordinal r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-  recipe&amp; caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
-  trace<span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;--- rewrite 'stash' instructions in recipe &quot;</span> &lt;&lt; caller<span class="Delimiter">.</span>name &lt;&lt; end<span class="Delimiter">();</span>
-  <span class="Comment">// in recipes without named locations, 'stash' is still not extensible</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>contains_numeric_locations<span class="Delimiter">(</span>caller<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
-  rewrite_stashes_to_text<span class="Delimiter">(</span>caller<span class="Delimiter">);</span>
-<span class="Delimiter">}</span>
-
-<span class="Normal">void</span> rewrite_stashes_to_text<span class="Delimiter">(</span>recipe&amp; caller<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-  vector&lt;instruction&gt; new_instructions<span class="Delimiter">;</span>
-  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i &lt; SIZE<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-    instruction&amp; inst = caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
-    <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;stash&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-      <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span> j &lt; SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-        ostringstream ingredient_name<span class="Delimiter">;</span>
-        ingredient_name &lt;&lt; <span class="Constant">&quot;stash_&quot;</span> &lt;&lt; i &lt;&lt; <span class="Constant">'_'</span> &lt;&lt; j &lt;&lt; <span class="Constant">&quot;:address:array:character&quot;</span><span class="Delimiter">;</span>
-        rewrite_stash_to_text<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">),</span> new_instructions<span class="Delimiter">,</span> ingredient_name<span class="Delimiter">.</span>str<span class="Delimiter">());</span>
-      <span class="Delimiter">}</span>
-    <span class="Delimiter">}</span>
-    <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;trace&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-      <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Comment">/*</span><span class="Comment">skip</span><span class="Comment">*/</span><span class="Constant">2</span><span class="Delimiter">;</span> j &lt; SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-        ostringstream ingredient_name<span class="Delimiter">;</span>
-        ingredient_name &lt;&lt; <span class="Constant">&quot;trace_&quot;</span> &lt;&lt; i &lt;&lt; <span class="Constant">'_'</span> &lt;&lt; j &lt;&lt; <span class="Constant">&quot;:address:array:character&quot;</span><span class="Delimiter">;</span>
-        rewrite_stash_to_text<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">),</span> new_instructions<span class="Delimiter">,</span> ingredient_name<span class="Delimiter">.</span>str<span class="Delimiter">());</span>
-      <span class="Delimiter">}</span>
-    <span class="Delimiter">}</span>
-    trace<span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; end<span class="Delimiter">();</span>
-    new_instructions<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>inst<span class="Delimiter">);</span>
-  <span class="Delimiter">}</span>
-  caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>swap<span class="Delimiter">(</span>new_instructions<span class="Delimiter">);</span>
-<span class="Delimiter">}</span>
-
-<span class="Comment">// add an instruction to convert reagent 'r' to text in list 'out', then</span>
-<span class="Comment">// replace r with converted text</span>
-<span class="Normal">void</span> rewrite_stash_to_text<span class="Delimiter">(</span>reagent&amp; r<span class="Delimiter">,</span> vector&lt;instruction&gt;&amp; out<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; tmp_var<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>!r<span class="Delimiter">.</span>type<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>  <span class="Comment">// error; will be handled elsewhere</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>is_literal<span class="Delimiter">(</span>r<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_string<span class="Delimiter">(</span>r<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
-  <span class="Comment">// don't try to extend static arrays</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>is_static_array<span class="Delimiter">(</span>r<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
-  instruction def<span class="Delimiter">;</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>is_lookup_of_address_of_array<span class="Delimiter">(</span>r<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-    def<span class="Delimiter">.</span>name = <span class="Constant">&quot;array-to-text-line&quot;</span><span class="Delimiter">;</span>
-    reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> tmp = r<span class="Delimiter">;</span>
-    drop_one_lookup<span class="Delimiter">(</span>tmp<span class="Delimiter">);</span>
-    def<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>tmp<span class="Delimiter">);</span>
-  <span class="Delimiter">}</span>
-  <span class="Normal">else</span> <span class="Delimiter">{</span>
-    def<span class="Delimiter">.</span>name = <span class="Constant">&quot;to-text-line&quot;</span><span class="Delimiter">;</span>
-    def<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>r<span class="Delimiter">);</span>
-  <span class="Delimiter">}</span>
-  def<span class="Delimiter">.</span>products<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>reagent<span class="Delimiter">(</span>tmp_var<span class="Delimiter">));</span>
-  trace<span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; to_string<span class="Delimiter">(</span>def<span class="Delimiter">)</span> &lt;&lt; end<span class="Delimiter">();</span>
-  out<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>def<span class="Delimiter">);</span>
-  r<span class="Delimiter">.</span>clear<span class="Delimiter">();</span>  <span class="Comment">// reclaim old memory</span>
-  r = reagent<span class="Delimiter">(</span>tmp_var<span class="Delimiter">);</span>
-<span class="Delimiter">}</span>
-
-<span class="Normal">bool</span> is_lookup_of_address_of_array<span class="Delimiter">(</span>reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name != <span class="Constant">&quot;address&quot;</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>x<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-  <span class="Identifier">return</span> is_mu_array<span class="Delimiter">(</span>x<span class="Delimiter">);</span>
-<span class="Delimiter">}</span>
-
-<span class="Normal">bool</span> is_static_array<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-  <span class="Comment">// no canonize_type()</span>
-  <span class="Identifier">return</span> !x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom &amp;&amp; x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>atom &amp;&amp; x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;array&quot;</span><span class="Delimiter">;</span>
-<span class="Delimiter">}</span>
-
-<span class="Comment">//: Make sure that the new system is strictly better than just the 'stash'</span>
-<span class="Comment">//: primitive by itself.</span>
-
-<span class="Delimiter">:(scenarios run)</span>
-<span class="Delimiter">:(scenario rewrite_stash_continues_to_fall_back_to_default_implementation)</span>
-<span class="Comment"># type without a to-text implementation</span>
-container foo [
-  <span class="Normal">x</span>:number
-  <span class="Normal">y</span>:number
-]
-recipe main [
-  local-scope
-  <span class="Normal">x</span>:foo<span class="Special"> &lt;- </span>merge <span class="Constant">34</span><span class="Delimiter">,</span> <span class="Constant">35</span>
-  stash x
-]
-<span class="traceContains">+app: 34 35</span>
-</pre>
-</body>
-</html>
-<!-- vim: set foldmethod=manual : -->
author	Kartik K. Agaram <vc@akkartik.com>	2016-09-16 16:04:11 -0700
committer	Kartik K. Agaram <vc@akkartik.com>	2016-09-16 16:04:11 -0700
commit	ced133e40290c30809e6d632cdf1e6f749ea9dd5 (patch)
tree	8e217620ee5016db6d1be429d2724bd9adfd0881 /html/062rewrite_stash.cc.html
parent	aa2fd725c0e5129bd4a750261f97ababa8af9a12 (diff)
download	mu-ced133e40290c30809e6d632cdf1e6f749ea9dd5.tar.gz