about summary refs log tree commit diff stats
path: root/html/045closure_name.cc.html
blob: d183aef3171399070bfb8cd3dc4a722f68031806 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
<!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 - 045closure_name.cc</title>
<meta name="Generator" content="Vim/8.0">
<meta name="plugin-version" content="vim7.4_v2">
<meta name="syntax" content="cpp">
<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy=">
<meta name="colorscheme" content="minimal">
<style type="text/css">
<!--
pre { white-space: pre-wrap; font-family: monospace; color: #aaaaaa; background-color: #080808; }
body { font-size: 12pt; font-family: monospace; color: #aaaaaa; background-color: #080808; }
a { color:#eeeeee; text-decoration: none; }
a:hover { text-decoration: underline; }
* { font-size: 12pt; font-size: 1em; }
.LineNr { color: #444444; }
.Constant { color: #00a0a0; }
.muRecipe { color: #ff8700; }
.Delimiter { color: #800080; }
.Special { color: #c00000; }
.Identifier { color: #c0a020; }
.Normal { color: #aaaaaa; background-color: #080808; padding-bottom: 1px; }
.Comment { color: #9090ff; }
.Comment a { color:#0000ee; text-decoration:underline; }
.cSpecial { color: #008000; }
.traceContains { color: #008000; }
-->
</style>

<script type='text/javascript'>
<!--

/* function to open any folds containing a jumped-to line before jumping to it */
function JumpToLine()
{
  var lineNum;
  lineNum = window.location.hash;
  lineNum = lineNum.substr(1); /* strip off '#' */

  if (lineNum.indexOf('L') == -1) {
    lineNum = 'L'+lineNum;
  }
  lineElem = document.getElementById(lineNum);
  /* Always jump to new location even if the line was hidden inside a fold, or
   * we corrected the raw number to a line ID.
   */
  if (lineElem) {
    lineElem.scrollIntoView(true);
  }
  return true;
}
if ('onhashchange' in window) {
  window.onhashchange = JumpToLine;
}

-->
</script>
</head>
<body onload='JumpToLine();'>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr">  1 </span><span class="Comment">//: Writing to a literal (not computed) address of 0 in a recipe chains two</span>
<span id="L2" class="LineNr">  2 </span><span class="Comment">//: spaces together. When a variable has a property of /space:1, it looks up</span>
<span id="L3" class="LineNr">  3 </span><span class="Comment">//: the variable in the chained/surrounding space. /space:2 looks up the</span>
<span id="L4" class="LineNr">  4 </span><span class="Comment">//: surrounding space of the surrounding space, etc.</span>
<span id="L5" class="LineNr">  5 </span><span class="Comment">//:</span>
<span id="L6" class="LineNr">  6 </span><span class="Comment">//: todo: warn on default-space abuse. default-space for one recipe should</span>
<span id="L7" class="LineNr">  7 </span><span class="Comment">//: never come from another, otherwise memory will be corrupted.</span>
<span id="L8" class="LineNr">  8 </span>
<span id="L9" class="LineNr">  9 </span><span class="Delimiter">:(scenario closure)</span>
<span id="L10" class="LineNr"> 10 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L11" class="LineNr"> 11 </span>  <span class="Normal">default</span>-space:space<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Constant">location:type</span><span class="Delimiter">,</span> <span class="Constant">30</span>
<span id="L12" class="LineNr"> 12 </span>  <span class="Constant">1</span>:space/names:<span class="Normal">new</span>-counter<span class="Special"> &lt;- </span><span class="Normal">new</span>-counter
<span id="L13" class="LineNr"> 13 </span>  <span class="Constant">2</span>:num/<span class="Special">raw &lt;- </span>increment-counter <span class="Constant">1</span>:space/names:<span class="Normal">new</span>-counter
<span id="L14" class="LineNr"> 14 </span>  <span class="Constant">3</span>:num/<span class="Special">raw &lt;- </span>increment-counter <span class="Constant">1</span>:space/names:<span class="Normal">new</span>-counter
<span id="L15" class="LineNr"> 15 </span>]
<span id="L16" class="LineNr"> 16 </span><span class="muRecipe">def</span> <span class="Normal">new</span>-counter [
<span id="L17" class="LineNr"> 17 </span>  <span class="Normal">default</span>-space:space<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Constant">location:type</span><span class="Delimiter">,</span> <span class="Constant">30</span>
<span id="L18" class="LineNr"> 18 </span>  <span class="Normal">x</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">23</span>
<span id="L19" class="LineNr"> 19 </span>  <span class="Normal">y</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">3</span>  <span class="Comment"># variable that will be incremented</span>
<span id="L20" class="LineNr"> 20 </span>  <span class="Identifier">return</span> <span class="Normal">default</span>-space:space
<span id="L21" class="LineNr"> 21 </span>]
<span id="L22" class="LineNr"> 22 </span><span class="muRecipe">def</span> increment-counter [
<span id="L23" class="LineNr"> 23 </span>  <span class="Normal">default</span>-space:space<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Constant">location:type</span><span class="Delimiter">,</span> <span class="Constant">30</span>
<span id="L24" class="LineNr"> 24 </span>  <span class="Constant">0</span>:space/names:<span class="Normal">new</span>-counter<span class="Special"> &lt;- </span>next-ingredient  <span class="Comment"># outer space must be created by 'new-counter' above</span>
<span id="L25" class="LineNr"> 25 </span>  <span class="Normal">y</span>:num/space:<span class="Constant">1</span><span class="Special"> &lt;- </span>add y:num/space:<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">1</span>  <span class="Comment"># increment</span>
<span id="L26" class="LineNr"> 26 </span>  <span class="Normal">y</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">234</span>  <span class="Comment"># dummy</span>
<span id="L27" class="LineNr"> 27 </span>  <span class="Identifier">return</span> y:num/space:<span class="Constant">1</span>
<span id="L28" class="LineNr"> 28 </span>]
<span id="L29" class="LineNr"> 29 </span><span class="traceContains">+name: lexically surrounding space for <a href='010vm.cc.html#L19'>recipe</a> increment-counter comes from new-counter</span>
<span id="L30" class="LineNr"> 30 </span><span class="traceContains">+mem: storing 5 in location 3</span>
<span id="L31" class="LineNr"> 31 </span>
<span id="L32" class="LineNr"> 32 </span><span class="Comment">//: To make this work, compute the recipe that provides names for the</span>
<span id="L33" class="LineNr"> 33 </span><span class="Comment">//: surrounding space of each recipe.</span>
<span id="L34" class="LineNr"> 34 </span>
<span id="L35" class="LineNr"> 35 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
<span id="L36" class="LineNr"> 36 </span>map&lt;recipe_ordinal<span class="Delimiter">,</span> recipe_ordinal&gt; Surrounding_space<span class="Delimiter">;</span>
<span id="L37" class="LineNr"> 37 </span>
<span id="L38" class="LineNr"> 38 </span><span class="Delimiter">:(before &quot;Transform.push_back(transform_names)&quot;)</span>
<span id="L39" class="LineNr"> 39 </span>Transform<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='045closure_name.cc.html#L42'>collect_surrounding_spaces</a><span class="Delimiter">);</span>  <span class="Comment">// idempotent</span>
<span id="L40" class="LineNr"> 40 </span>
<span id="L41" class="LineNr"> 41 </span><span class="Delimiter">:(code)</span>
<span id="L42" class="LineNr"> 42 </span><span class="Normal">void</span> <a href='045closure_name.cc.html#L42'>collect_surrounding_spaces</a><span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L43" class="LineNr"> 43 </span>  <a href='003trace.cc.html#L167'>trace</a><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;--- collect surrounding spaces for <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
<span id="L44" class="LineNr"> 44 </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; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L45" class="LineNr"> 45 </span>    <span class="Normal">const</span> instruction&amp; inst = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L46" class="LineNr"> 46 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>is_label<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L47" class="LineNr"> 47 </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; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L48" class="LineNr"> 48 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>is_literal<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L49" class="LineNr"> 49 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">).</span>name != <span class="Constant">&quot;0&quot;</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L50" class="LineNr"> 50 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_space<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
<span id="L51" class="LineNr"> 51 </span>        <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;slot 0 should always have type <a href='043space.cc.html#L80'>address</a>:array:location, but is '&quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
<span id="L52" class="LineNr"> 52 </span>        <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L53" class="LineNr"> 53 </span>      <span class="Delimiter">}</span>
<span id="L54" class="LineNr"> 54 </span>      string_tree* s = property<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">),</span> <span class="Constant">&quot;names&quot;</span><span class="Delimiter">);</span>
<span id="L55" class="LineNr"> 55 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>!s<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L56" class="LineNr"> 56 </span>        <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;slot 0 requires a /names property in <a href='010vm.cc.html#L19'>recipe</a> '&quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
<span id="L57" class="LineNr"> 57 </span>        <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L58" class="LineNr"> 58 </span>      <span class="Delimiter">}</span>
<span id="L59" class="LineNr"> 59 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>!s<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;slot 0 should have a single value in /names, but got '&quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
<span id="L60" class="LineNr"> 60 </span>      <span class="Normal">const</span> string&amp; surrounding_recipe_name = s<span class="Delimiter">-&gt;</span>value<span class="Delimiter">;</span>
<span id="L61" class="LineNr"> 61 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>surrounding_recipe_name<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
<span id="L62" class="LineNr"> 62 </span>        <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;slot 0 doesn't initialize its /names property in recipe '&quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L63" class="LineNr"> 63 </span>        <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L64" class="LineNr"> 64 </span>      <span class="Delimiter">}</span>
<span id="L65" class="LineNr"> 65 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Surrounding_space<span class="Delimiter">,</span> r<span class="Delimiter">)</span>
<span id="L66" class="LineNr"> 66 </span>          &amp;&amp; get<span class="Delimiter">(</span>Surrounding_space<span class="Delimiter">,</span> r<span class="Delimiter">)</span> != get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> surrounding_recipe_name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L67" class="LineNr"> 67 </span>        <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;recipe '&quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot;' can have only one 'surrounding' <a href='010vm.cc.html#L19'>recipe</a> but has '&quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Surrounding_space<span class="Delimiter">,</span> r<span class="Delimiter">)).</span>name &lt;&lt; <span class="Constant">&quot;' and '&quot;</span> &lt;&lt; surrounding_recipe_name &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
<span id="L68" class="LineNr"> 68 </span>        <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L69" class="LineNr"> 69 </span>      <span class="Delimiter">}</span>
<span id="L70" class="LineNr"> 70 </span>      <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;name&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;lexically surrounding space for <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot; comes from &quot;</span> &lt;&lt; surrounding_recipe_name &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
<span id="L71" class="LineNr"> 71 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> surrounding_recipe_name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L72" class="LineNr"> 72 </span>        <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;can't find recipe providing surrounding space for '&quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot;'; looking for '&quot;</span> &lt;&lt; surrounding_recipe_name &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L73" class="LineNr"> 73 </span>        <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L74" class="LineNr"> 74 </span>      <span class="Delimiter">}</span>
<span id="L75" class="LineNr"> 75 </span>      <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Surrounding_space<span class="Delimiter">,</span> r<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> surrounding_recipe_name<span class="Delimiter">));</span>
<span id="L76" class="LineNr"> 76 </span>    <span class="Delimiter">}</span>
<span id="L77" class="LineNr"> 77 </span>  <span class="Delimiter">}</span>
<span id="L78" class="LineNr"> 78 </span><span class="Delimiter">}</span>
<span id="L79" class="LineNr"> 79 </span>
<span id="L80" class="LineNr"> 80 </span><span class="Comment">//: Once surrounding spaces are available, transform_names uses them to handle</span>
<span id="L81" class="LineNr"> 81 </span><span class="Comment">//: /space properties.</span>
<span id="L82" class="LineNr"> 82 </span>
<span id="L83" class="LineNr"> 83 </span><span class="Delimiter">:(replace{} &quot;int lookup_name(const reagent&amp; r, const <a href='010vm.cc.html#L14'>recipe_ordinal</a> default_recipe)&quot;)</span>
<span id="L84" class="LineNr"> 84 </span><span class="Normal">int</span> lookup_name<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; x<span class="Delimiter">,</span> <span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> default_recipe<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L85" class="LineNr"> 85 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!has_property<span class="Delimiter">(</span>x<span class="Delimiter">,</span> <span class="Constant">&quot;space&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L86" class="LineNr"> 86 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>Name[default_recipe]<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;name not found: &quot;</span> &lt;&lt; x<span class="Delimiter">.</span>name &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
<span id="L87" class="LineNr"> 87 </span>    <span class="Identifier">return</span> Name[default_recipe][x<span class="Delimiter">.</span>name]<span class="Delimiter">;</span>
<span id="L88" class="LineNr"> 88 </span>  <span class="Delimiter">}</span>
<span id="L89" class="LineNr"> 89 </span>  string_tree* p = property<span class="Delimiter">(</span>x<span class="Delimiter">,</span> <span class="Constant">&quot;space&quot;</span><span class="Delimiter">);</span>
<span id="L90" class="LineNr"> 90 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!p || !p<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;/space property should have exactly one (non-negative integer) value</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
<span id="L91" class="LineNr"> 91 </span>  <span class="Normal">int</span> n = to_integer<span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>value<span class="Delimiter">);</span>
<span id="L92" class="LineNr"> 92 </span>  assert<span class="Delimiter">(</span>n &gt;= <span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L93" class="LineNr"> 93 </span>  <a href='010vm.cc.html#L14'>recipe_ordinal</a> surrounding_recipe = <a href='045closure_name.cc.html#L119'>lookup_surrounding_recipe</a><span class="Delimiter">(</span>default_recipe<span class="Delimiter">,</span> n<span class="Delimiter">);</span>
<span id="L94" class="LineNr"> 94 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>surrounding_recipe == -<span class="Constant">1</span><span class="Delimiter">)</span> <span class="Identifier">return</span> -<span class="Constant">1</span><span class="Delimiter">;</span>
<span id="L95" class="LineNr"> 95 </span>  set&lt;recipe_ordinal&gt; done<span class="Delimiter">;</span>
<span id="L96" class="LineNr"> 96 </span>  vector&lt;recipe_ordinal&gt; path<span class="Delimiter">;</span>
<span id="L97" class="LineNr"> 97 </span>  <span class="Identifier">return</span> lookup_name<span class="Delimiter">(</span>x<span class="Delimiter">,</span> surrounding_recipe<span class="Delimiter">,</span> done<span class="Delimiter">,</span> path<span class="Delimiter">);</span>
<span id="L98" class="LineNr"> 98 </span><span class="Delimiter">}</span>
<span id="L99" class="LineNr"> 99 </span>
<span id="L100" class="LineNr">100 </span><span class="Comment">// If the recipe we need to lookup this name in doesn't have names done yet,</span>
<span id="L101" class="LineNr">101 </span><span class="Comment">// recursively call transform_names on it.</span>
<span id="L102" class="LineNr">102 </span><span class="Normal">int</span> lookup_name<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; x<span class="Delimiter">,</span> <span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">,</span> set&lt;recipe_ordinal&gt;&amp; done<span class="Delimiter">,</span> vector&lt;recipe_ordinal&gt;&amp; path<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L103" class="LineNr">103 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!Name[r]<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span> Name[r][x<span class="Delimiter">.</span>name]<span class="Delimiter">;</span>
<span id="L104" class="LineNr">104 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>done<span class="Delimiter">,</span> r<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L105" class="LineNr">105 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;can't compute address of '&quot;</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>x<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;' because</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L106" class="LineNr">106 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>path<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L107" class="LineNr">107 </span>      <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; path<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i-<span class="Constant">1</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; requires computing names of &quot;</span> &lt;&lt; path<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
<span id="L108" class="LineNr">108 </span>    <span class="Delimiter">}</span>
<span id="L109" class="LineNr">109 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; path<span class="Delimiter">.</span>at<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>path<span class="Delimiter">)</span>-<span class="Constant">1</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; requires computing names of &quot;</span> &lt;&lt; r &lt;&lt; <span class="Constant">&quot;..ad infinitum</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
<span id="L110" class="LineNr">110 </span>    <span class="Identifier">return</span> -<span class="Constant">1</span><span class="Delimiter">;</span>
<span id="L111" class="LineNr">111 </span>  <span class="Delimiter">}</span>
<span id="L112" class="LineNr">112 </span>  done<span class="Delimiter">.</span>insert<span class="Delimiter">(</span>r<span class="Delimiter">);</span>
<span id="L113" class="LineNr">113 </span>  path<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>r<span class="Delimiter">);</span>
<span id="L114" class="LineNr">114 </span>  <a href='042name.cc.html#L37'>transform_names</a><span class="Delimiter">(</span>r<span class="Delimiter">);</span>  <span class="Comment">// Not passing 'done' through. Might this somehow cause an infinite loop?</span>
<span id="L115" class="LineNr">115 </span>  assert<span class="Delimiter">(</span>!Name[r]<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
<span id="L116" class="LineNr">116 </span>  <span class="Identifier">return</span> Name[r][x<span class="Delimiter">.</span>name]<span class="Delimiter">;</span>
<span id="L117" class="LineNr">117 </span><span class="Delimiter">}</span>
<span id="L118" class="LineNr">118 </span>
<span id="L119" class="LineNr">119 </span><a href='010vm.cc.html#L14'>recipe_ordinal</a> <a href='045closure_name.cc.html#L119'>lookup_surrounding_recipe</a><span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">,</span> <span class="Normal">int</span> n<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L120" class="LineNr">120 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>n == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span> r<span class="Delimiter">;</span>
<span id="L121" class="LineNr">121 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Surrounding_space<span class="Delimiter">,</span> r<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L122" class="LineNr">122 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;don't know surrounding recipe of '&quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L123" class="LineNr">123 </span>    <span class="Identifier">return</span> -<span class="Constant">1</span><span class="Delimiter">;</span>
<span id="L124" class="LineNr">124 </span>  <span class="Delimiter">}</span>
<span id="L125" class="LineNr">125 </span>  assert<span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Surrounding_space<span class="Delimiter">,</span> r<span class="Delimiter">));</span>
<span id="L126" class="LineNr">126 </span>  <span class="Identifier">return</span> <a href='045closure_name.cc.html#L119'>lookup_surrounding_recipe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Surrounding_space<span class="Delimiter">,</span> r<span class="Delimiter">),</span> n-<span class="Constant">1</span><span class="Delimiter">);</span>
<span id="L127" class="LineNr">127 </span><span class="Delimiter">}</span>
<span id="L128" class="LineNr">128 </span>
<span id="L129" class="LineNr">129 </span><span class="Comment">//: weaken use-before-set detection just a tad</span>
<span id="L130" class="LineNr">130 </span><span class="Delimiter">:(replace{} &quot;bool already_transformed(const reagent&amp; r, const map&lt;string, int&gt;&amp; names)&quot;)</span>
<span id="L131" class="LineNr">131 </span><span class="Normal">bool</span> already_transformed<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; r<span class="Delimiter">,</span> <span class="Normal">const</span> map&lt;string<span class="Delimiter">,</span> <span class="Normal">int</span>&gt;&amp; names<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L132" class="LineNr">132 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>has_property<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;space&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L133" class="LineNr">133 </span>    string_tree* p = property<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;space&quot;</span><span class="Delimiter">);</span>
<span id="L134" class="LineNr">134 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!p || !p<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L135" class="LineNr">135 </span>      <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;/space property should have exactly one (non-negative integer) value in '&quot;</span> &lt;&lt; r<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
<span id="L136" class="LineNr">136 </span>      <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
<span id="L137" class="LineNr">137 </span>    <span class="Delimiter">}</span>
<span id="L138" class="LineNr">138 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>value != <span class="Constant">&quot;0&quot;</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
<span id="L139" class="LineNr">139 </span>  <span class="Delimiter">}</span>
<span id="L140" class="LineNr">140 </span>  <span class="Identifier">return</span> contains_key<span class="Delimiter">(</span>names<span class="Delimiter">,</span> r<span class="Delimiter">.</span>name<span class="Delimiter">);</span>
<span id="L141" class="LineNr">141 </span><span class="Delimiter">}</span>
<span id="L142" class="LineNr">142 </span>
<span id="L143" class="LineNr">143 </span><span class="Delimiter">:(scenario missing_surrounding_space)</span>
<span id="L144" class="LineNr">144 </span><span class="Special">% Hide_errors = true;</span>
<span id="L145" class="LineNr">145 </span><span class="muRecipe">def</span> f [
<span id="L146" class="LineNr">146 </span>  local-scope
<span id="L147" class="LineNr">147 </span>  <span class="Normal">x</span>:num/space:<span class="Constant">1</span><span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
<span id="L148" class="LineNr">148 </span>]
<span id="L149" class="LineNr">149 </span><span class="traceContains">+error: don't know surrounding recipe of 'f'</span>
<span id="L150" class="LineNr">150 </span><span class="traceContains">+error: f: can't find a place to store 'x'</span>
<span id="L151" class="LineNr">151 </span>
<span id="L152" class="LineNr">152 </span><span class="Comment">//: extra test for try_reclaim_locals() from previous layers</span>
<span id="L153" class="LineNr">153 </span><span class="Delimiter">:(scenario local_scope_ignores_nonlocal_spaces)</span>
<span id="L154" class="LineNr">154 </span><span class="muRecipe">def</span> <span class="Normal">new</span>-scope [
<span id="L155" class="LineNr">155 </span>  local-scope
<span id="L156" class="LineNr">156 </span>  <span class="Normal">x</span>:&amp;:num<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Constant">number:type</span>
<span id="L157" class="LineNr">157 </span>  *x:&amp;:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
<span id="L158" class="LineNr">158 </span>  <span class="Identifier">return</span> <span class="Normal">default</span>-space:space
<span id="L159" class="LineNr">159 </span>]
<span id="L160" class="LineNr">160 </span><span class="muRecipe">def</span> use-scope [
<span id="L161" class="LineNr">161 </span>  local-scope
<span id="L162" class="LineNr">162 </span>  <span class="Normal">outer</span>:space/names:<span class="Normal">new</span>-scope<span class="Special"> &lt;- </span>next-ingredient
<span id="L163" class="LineNr">163 </span>  <span class="Constant">0</span>:space/names:<span class="Normal">new</span>-scope<span class="Special"> &lt;- </span>copy outer:space
<span id="L164" class="LineNr">164 </span>  <span class="Identifier">return</span> *x:&amp;:num/space:<span class="Constant">1</span>
<span id="L165" class="LineNr">165 </span>]
<span id="L166" class="LineNr">166 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L167" class="LineNr">167 </span>  <span class="Constant">1</span>:space/<span class="Special">raw &lt;- </span><span class="Normal">new</span>-scope
<span id="L168" class="LineNr">168 </span>  <span class="Constant">2</span>:num/<span class="Special">raw &lt;- </span>use-scope <span class="Constant">1</span>:space/<span class="Special">raw</span>
<span id="L169" class="LineNr">169 </span>]
<span id="L170" class="LineNr">170 </span><span class="traceContains">+mem: storing 34 in location 2</span>
</pre>
</body>
</html>
<!-- vim: set foldmethod=manual : -->