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
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
|
<!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 - 031merge.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="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: #eeeeee; background-color: #080808; }
body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color: #080808; }
a { text-decoration: none; }
a:hover { text-decoration: underline; }
* { font-size: 12pt; font-size: 1em; }
.muData { color: #ffff00; }
.Special { color: #c00000; }
.muRecipe { color: #ff8700; }
.cSpecial { color: #008000; }
.Comment { color: #9090ff; }
.Delimiter { color: #800080; }
.LineNr { color: #444444; }
.traceContains { color: #008000; }
.Normal { color: #eeeeee; background-color: #080808; padding-bottom: 1px; }
.PreProc { color: #800080; }
.Constant { color: #00a0a0; }
.Identifier { color: #c0a020; }
-->
</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">//: Construct types out of their constituent fields.</span>
<span id="L2" class="LineNr"> 2 </span>
<span id="L3" class="LineNr"> 3 </span><span class="Delimiter">:(scenario merge)</span>
<span id="L4" class="LineNr"> 4 </span><span class="muData">container</span> foo [
<span id="L5" class="LineNr"> 5 </span> <span class="Normal">x</span>:num
<span id="L6" class="LineNr"> 6 </span> <span class="Normal">y</span>:num
<span id="L7" class="LineNr"> 7 </span>]
<span id="L8" class="LineNr"> 8 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L9" class="LineNr"> 9 </span> <span class="Constant">1</span>:foo<span class="Special"> <- </span>merge <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">4</span>
<span id="L10" class="LineNr"> 10 </span>]
<span id="L11" class="LineNr"> 11 </span><span class="traceContains">+mem: storing 3 in location 1</span>
<span id="L12" class="LineNr"> 12 </span><span class="traceContains">+mem: storing 4 in location 2</span>
<span id="L13" class="LineNr"> 13 </span>
<span id="L14" class="LineNr"> 14 </span><span class="Delimiter">:(before "End Primitive Recipe Declarations")</span>
<span id="L15" class="LineNr"> 15 </span>MERGE<span class="Delimiter">,</span>
<span id="L16" class="LineNr"> 16 </span><span class="Delimiter">:(before "End Primitive Recipe Numbers")</span>
<span id="L17" class="LineNr"> 17 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"merge"</span><span class="Delimiter">,</span> MERGE<span class="Delimiter">);</span>
<span id="L18" class="LineNr"> 18 </span><span class="Delimiter">:(before "End Primitive Recipe Checks")</span>
<span id="L19" class="LineNr"> 19 </span><span class="Normal">case</span> MERGE: <span class="Delimiter">{</span>
<span id="L20" class="LineNr"> 20 </span> <span class="Comment">// type-checking in a separate transform below</span>
<span id="L21" class="LineNr"> 21 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L22" class="LineNr"> 22 </span><span class="Delimiter">}</span>
<span id="L23" class="LineNr"> 23 </span><span class="Delimiter">:(before "End Primitive Recipe Implementations")</span>
<span id="L24" class="LineNr"> 24 </span><span class="Normal">case</span> MERGE: <span class="Delimiter">{</span>
<span id="L25" class="LineNr"> 25 </span> products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
<span id="L26" class="LineNr"> 26 </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 < <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span>
<span id="L27" class="LineNr"> 27 </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 < <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span> ++j<span class="Delimiter">)</span>
<span id="L28" class="LineNr"> 28 </span> products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>at<span class="Delimiter">(</span>j<span class="Delimiter">));</span>
<span id="L29" class="LineNr"> 29 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L30" class="LineNr"> 30 </span><span class="Delimiter">}</span>
<span id="L31" class="LineNr"> 31 </span>
<span id="L32" class="LineNr"> 32 </span><span class="Comment">//: type-check 'merge' to avoid interpreting numbers as addresses</span>
<span id="L33" class="LineNr"> 33 </span>
<span id="L34" class="LineNr"> 34 </span><span class="Delimiter">:(scenario merge_check)</span>
<span id="L35" class="LineNr"> 35 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L36" class="LineNr"> 36 </span> <span class="Constant">1</span>:point<span class="Special"> <- </span>merge <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">4</span>
<span id="L37" class="LineNr"> 37 </span>]
<span id="L38" class="LineNr"> 38 </span>$error: <span class="Constant">0</span>
<span id="L39" class="LineNr"> 39 </span>
<span id="L40" class="LineNr"> 40 </span><span class="Delimiter">:(scenario merge_check_missing_element)</span>
<span id="L41" class="LineNr"> 41 </span><span class="Special">% Hide_errors = true;</span>
<span id="L42" class="LineNr"> 42 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L43" class="LineNr"> 43 </span> <span class="Constant">1</span>:point<span class="Special"> <- </span>merge <span class="Constant">3</span>
<span id="L44" class="LineNr"> 44 </span>]
<span id="L45" class="LineNr"> 45 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: too few ingredients in '1:point <- merge 3'</span>
<span id="L46" class="LineNr"> 46 </span>
<span id="L47" class="LineNr"> 47 </span><span class="Delimiter">:(scenario merge_check_extra_element)</span>
<span id="L48" class="LineNr"> 48 </span><span class="Special">% Hide_errors = true;</span>
<span id="L49" class="LineNr"> 49 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L50" class="LineNr"> 50 </span> <span class="Constant">1</span>:point<span class="Special"> <- </span>merge <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">4</span><span class="Delimiter">,</span> <span class="Constant">5</span>
<span id="L51" class="LineNr"> 51 </span>]
<span id="L52" class="LineNr"> 52 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: too many ingredients in '1:point <- merge 3, 4, 5'</span>
<span id="L53" class="LineNr"> 53 </span>
<span id="L54" class="LineNr"> 54 </span><span class="Comment">//: We want to avoid causing memory corruption, but other than that we want to</span>
<span id="L55" class="LineNr"> 55 </span><span class="Comment">//: be flexible in how we construct containers of containers. It should be</span>
<span id="L56" class="LineNr"> 56 </span><span class="Comment">//: equally easy to define a container out of primitives or intermediate</span>
<span id="L57" class="LineNr"> 57 </span><span class="Comment">//: container fields.</span>
<span id="L58" class="LineNr"> 58 </span>
<span id="L59" class="LineNr"> 59 </span><span class="Delimiter">:(scenario merge_check_recursive_containers)</span>
<span id="L60" class="LineNr"> 60 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L61" class="LineNr"> 61 </span> <span class="Constant">1</span>:point<span class="Special"> <- </span>merge <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">4</span>
<span id="L62" class="LineNr"> 62 </span> <span class="Constant">1</span>:point-number<span class="Special"> <- </span>merge <span class="Constant">1</span>:point<span class="Delimiter">,</span> <span class="Constant">5</span>
<span id="L63" class="LineNr"> 63 </span>]
<span id="L64" class="LineNr"> 64 </span>$error: <span class="Constant">0</span>
<span id="L65" class="LineNr"> 65 </span>
<span id="L66" class="LineNr"> 66 </span><span class="Delimiter">:(scenario merge_check_recursive_containers_2)</span>
<span id="L67" class="LineNr"> 67 </span><span class="Special">% Hide_errors = true;</span>
<span id="L68" class="LineNr"> 68 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L69" class="LineNr"> 69 </span> <span class="Constant">1</span>:point<span class="Special"> <- </span>merge <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">4</span>
<span id="L70" class="LineNr"> 70 </span> <span class="Constant">2</span>:point-number<span class="Special"> <- </span>merge <span class="Constant">1</span>:point
<span id="L71" class="LineNr"> 71 </span>]
<span id="L72" class="LineNr"> 72 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: too few ingredients in '2:point-number <- merge 1:point'</span>
<span id="L73" class="LineNr"> 73 </span>
<span id="L74" class="LineNr"> 74 </span><span class="Delimiter">:(scenario merge_check_recursive_containers_3)</span>
<span id="L75" class="LineNr"> 75 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L76" class="LineNr"> 76 </span> <span class="Constant">1</span>:point-number<span class="Special"> <- </span>merge <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">4</span><span class="Delimiter">,</span> <span class="Constant">5</span>
<span id="L77" class="LineNr"> 77 </span>]
<span id="L78" class="LineNr"> 78 </span>$error: <span class="Constant">0</span>
<span id="L79" class="LineNr"> 79 </span>
<span id="L80" class="LineNr"> 80 </span><span class="Delimiter">:(scenario merge_check_recursive_containers_4)</span>
<span id="L81" class="LineNr"> 81 </span><span class="Special">% Hide_errors = true;</span>
<span id="L82" class="LineNr"> 82 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L83" class="LineNr"> 83 </span> <span class="Constant">1</span>:point-number<span class="Special"> <- </span>merge <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">4</span>
<span id="L84" class="LineNr"> 84 </span>]
<span id="L85" class="LineNr"> 85 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: too few ingredients in '1:point-number <- merge 3, 4'</span>
<span id="L86" class="LineNr"> 86 </span>
<span id="L87" class="LineNr"> 87 </span><span class="Delimiter">:(scenario merge_check_reflexive)</span>
<span id="L88" class="LineNr"> 88 </span><span class="Special">% Hide_errors = true;</span>
<span id="L89" class="LineNr"> 89 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L90" class="LineNr"> 90 </span> <span class="Constant">1</span>:point<span class="Special"> <- </span>merge <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">4</span>
<span id="L91" class="LineNr"> 91 </span> <span class="Constant">2</span>:point<span class="Special"> <- </span>merge <span class="Constant">1</span>:point
<span id="L92" class="LineNr"> 92 </span>]
<span id="L93" class="LineNr"> 93 </span>$error: <span class="Constant">0</span>
<span id="L94" class="LineNr"> 94 </span>
<span id="L95" class="LineNr"> 95 </span><span class="Comment">//: Since a container can be merged in several ways, we need to be able to</span>
<span id="L96" class="LineNr"> 96 </span><span class="Comment">//: backtrack through different possibilities. Later we'll allow creating</span>
<span id="L97" class="LineNr"> 97 </span><span class="Comment">//: exclusive containers which contain just one of rather than all of their</span>
<span id="L98" class="LineNr"> 98 </span><span class="Comment">//: elements. That will also require backtracking capabilities. Here's the</span>
<span id="L99" class="LineNr"> 99 </span><span class="Comment">//: state we need to maintain for backtracking:</span>
<span id="L100" class="LineNr">100 </span>
<span id="L101" class="LineNr">101 </span><span class="Delimiter">:(before "End Types")</span>
<span id="L102" class="LineNr">102 </span><span class="Normal">struct</span> merge_check_point <span class="Delimiter">{</span>
<span id="L103" class="LineNr">103 </span> reagent container<span class="Delimiter">;</span>
<span id="L104" class="LineNr">104 </span> <span class="Normal">int</span> container_element_index<span class="Delimiter">;</span>
<span id="L105" class="LineNr">105 </span> merge_check_point<span class="Delimiter">(</span><span class="Normal">const</span> reagent& c<span class="Delimiter">,</span> <span class="Normal">int</span> i<span class="Delimiter">)</span> :container<span class="Delimiter">(</span>c<span class="Delimiter">),</span> container_element_index<span class="Delimiter">(</span>i<span class="Delimiter">)</span> <span class="Delimiter">{}</span>
<span id="L106" class="LineNr">106 </span><span class="Delimiter">};</span>
<span id="L107" class="LineNr">107 </span>
<span id="L108" class="LineNr">108 </span><span class="Normal">struct</span> <a href='031merge.cc.html#L108'>merge_check_state</a> <span class="Delimiter">{</span>
<span id="L109" class="LineNr">109 </span> stack<merge_check_point> data<span class="Delimiter">;</span>
<span id="L110" class="LineNr">110 </span><span class="Delimiter">};</span>
<span id="L111" class="LineNr">111 </span>
<span id="L112" class="LineNr">112 </span><span class="Delimiter">:(before "End Checks")</span>
<span id="L113" class="LineNr">113 </span>Transform<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='031merge.cc.html#L115'>check_merge_calls</a><span class="Delimiter">);</span> <span class="Comment">// idempotent</span>
<span id="L114" class="LineNr">114 </span><span class="Delimiter">:(code)</span>
<span id="L115" class="LineNr">115 </span><span class="Normal">void</span> <a href='031merge.cc.html#L115'>check_merge_calls</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="L116" class="LineNr">116 </span> <span class="Normal">const</span> recipe& caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
<span id="L117" class="LineNr">117 </span> <a href='003trace.cc.html#L171'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"--- type-check merge instructions in <a href='010vm.cc.html#L19'>recipe</a> "</span> << caller<span class="Delimiter">.</span>name << <a href='003trace.cc.html#L195'>end</a><span class="Delimiter">();</span>
<span id="L118" class="LineNr">118 </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 < <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L119" class="LineNr">119 </span> <span class="Normal">const</span> instruction& inst = caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L120" class="LineNr">120 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name != <span class="Constant">"merge"</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L121" class="LineNr">121 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L122" class="LineNr">122 </span> <a href='003trace.cc.html#L178'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"'merge' should yield a single product in '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L195'>end</a><span class="Delimiter">();</span>
<span id="L123" class="LineNr">123 </span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L124" class="LineNr">124 </span> <span class="Delimiter">}</span>
<span id="L125" class="LineNr">125 </span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> product = inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L126" class="LineNr">126 </span> <span class="Comment">// Update product While Type-checking Merge</span>
<span id="L127" class="LineNr">127 </span> <span class="Normal">const</span> type_tree* product_base_type = product<span class="Delimiter">.</span>type<span class="Delimiter">-></span>atom ? product<span class="Delimiter">.</span>type : product<span class="Delimiter">.</span>type<span class="Delimiter">-></span>left<span class="Delimiter">;</span>
<span id="L128" class="LineNr">128 </span> assert<span class="Delimiter">(</span>product_base_type<span class="Delimiter">-></span>atom<span class="Delimiter">);</span>
<span id="L129" class="LineNr">129 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>product_base_type<span class="Delimiter">-></span>value == <span class="Constant">0</span> || !contains_key<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> product_base_type<span class="Delimiter">-></span>value<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L130" class="LineNr">130 </span> <a href='003trace.cc.html#L178'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"'merge' should yield a container in '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L195'>end</a><span class="Delimiter">();</span>
<span id="L131" class="LineNr">131 </span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L132" class="LineNr">132 </span> <span class="Delimiter">}</span>
<span id="L133" class="LineNr">133 </span> <span class="Normal">const</span> type_info& info = get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> product_base_type<span class="Delimiter">-></span>value<span class="Delimiter">);</span>
<span id="L134" class="LineNr">134 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind != <a href='010vm.cc.html#L173'>CONTAINER</a> && info<span class="Delimiter">.</span>kind != <a href='010vm.cc.html#L174'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L135" class="LineNr">135 </span> <a href='003trace.cc.html#L178'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"'merge' should yield a container in '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L195'>end</a><span class="Delimiter">();</span>
<span id="L136" class="LineNr">136 </span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L137" class="LineNr">137 </span> <span class="Delimiter">}</span>
<span id="L138" class="LineNr">138 </span> <a href='031merge.cc.html#L142'>check_merge_call</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">,</span> product<span class="Delimiter">,</span> caller<span class="Delimiter">,</span> inst<span class="Delimiter">);</span>
<span id="L139" class="LineNr">139 </span> <span class="Delimiter">}</span>
<span id="L140" class="LineNr">140 </span><span class="Delimiter">}</span>
<span id="L141" class="LineNr">141 </span>
<span id="L142" class="LineNr">142 </span><span class="Normal">void</span> <a href='031merge.cc.html#L142'>check_merge_call</a><span class="Delimiter">(</span><span class="Normal">const</span> vector<reagent>& ingredients<span class="Delimiter">,</span> <span class="Normal">const</span> reagent& product<span class="Delimiter">,</span> <span class="Normal">const</span> recipe& caller<span class="Delimiter">,</span> <span class="Normal">const</span> instruction& inst<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L143" class="LineNr">143 </span> <span class="Normal">int</span> ingredient_index = <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L144" class="LineNr">144 </span> <a href='031merge.cc.html#L108'>merge_check_state</a> state<span class="Delimiter">;</span>
<span id="L145" class="LineNr">145 </span> state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>push<span class="Delimiter">(</span>merge_check_point<span class="Delimiter">(</span>product<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">));</span>
<span id="L146" class="LineNr">146 </span> <span class="Normal">while</span> <span class="Delimiter">(</span><span class="Constant">true</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L147" class="LineNr">147 </span> assert<span class="Delimiter">(</span>!state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
<span id="L148" class="LineNr">148 </span> <a href='003trace.cc.html#L171'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << ingredient_index << <span class="Constant">" vs "</span> << <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">)</span> << <a href='003trace.cc.html#L195'>end</a><span class="Delimiter">();</span>
<span id="L149" class="LineNr">149 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>ingredient_index >= <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L150" class="LineNr">150 </span> <a href='003trace.cc.html#L178'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"too few ingredients in '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L195'>end</a><span class="Delimiter">();</span>
<span id="L151" class="LineNr">151 </span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L152" class="LineNr">152 </span> <span class="Delimiter">}</span>
<span id="L153" class="LineNr">153 </span> reagent& container = state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>top<span class="Delimiter">().</span>container<span class="Delimiter">;</span>
<span id="L154" class="LineNr">154 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!container<span class="Delimiter">.</span>type<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// error handled elsewhere</span>
<span id="L155" class="LineNr">155 </span> <span class="Normal">const</span> type_tree* top_root_type = container<span class="Delimiter">.</span>type<span class="Delimiter">-></span>atom ? container<span class="Delimiter">.</span>type : container<span class="Delimiter">.</span>type<span class="Delimiter">-></span>left<span class="Delimiter">;</span>
<span id="L156" class="LineNr">156 </span> assert<span class="Delimiter">(</span>top_root_type<span class="Delimiter">-></span>atom<span class="Delimiter">);</span>
<span id="L157" class="LineNr">157 </span> type_info& container_info = get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> top_root_type<span class="Delimiter">-></span>value<span class="Delimiter">);</span>
<span id="L158" class="LineNr">158 </span> <span class="Normal">switch</span> <span class="Delimiter">(</span>container_info<span class="Delimiter">.</span>kind<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L159" class="LineNr">159 </span> <span class="Normal">case</span> <a href='010vm.cc.html#L173'>CONTAINER</a>: <span class="Delimiter">{</span>
<span id="L160" class="LineNr">160 </span> <span class="Comment">// degenerate case: merge with the same type always succeeds</span>
<span id="L161" class="LineNr">161 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>top<span class="Delimiter">().</span>container_element_index == <span class="Constant">0</span> && <a href='021check_instruction.cc.html#L100'>types_coercible</a><span class="Delimiter">(</span>container<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>ingredient_index<span class="Delimiter">)))</span>
<span id="L162" class="LineNr">162 </span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L163" class="LineNr">163 </span> <span class="Normal">const</span> reagent& expected_ingredient = <a href='030container.cc.html#L430'>element_type</a><span class="Delimiter">(</span>container<span class="Delimiter">.</span>type<span class="Delimiter">,</span> state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>top<span class="Delimiter">().</span>container_element_index<span class="Delimiter">);</span>
<span id="L164" class="LineNr">164 </span> <a href='003trace.cc.html#L171'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"checking container "</span> << <a href='028call_return.cc.html#L158'>to_string</a><span class="Delimiter">(</span>container<span class="Delimiter">)</span> << <span class="Constant">" || "</span> << <a href='028call_return.cc.html#L158'>to_string</a><span class="Delimiter">(</span>expected_ingredient<span class="Delimiter">)</span> << <span class="Constant">" vs ingredient "</span> << ingredient_index << <a href='003trace.cc.html#L195'>end</a><span class="Delimiter">();</span>
<span id="L165" class="LineNr">165 </span> <span class="Comment">// if the current element is the ingredient we expect, move on to the next element/ingredient</span>
<span id="L166" class="LineNr">166 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='021check_instruction.cc.html#L100'>types_coercible</a><span class="Delimiter">(</span>expected_ingredient<span class="Delimiter">,</span> ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>ingredient_index<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
<span id="L167" class="LineNr">167 </span> ++ingredient_index<span class="Delimiter">;</span>
<span id="L168" class="LineNr">168 </span> ++state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>top<span class="Delimiter">().</span>container_element_index<span class="Delimiter">;</span>
<span id="L169" class="LineNr">169 </span> <span class="Normal">while</span> <span class="Delimiter">(</span>state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>top<span class="Delimiter">().</span>container_element_index >= <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> get_base_type<span class="Delimiter">(</span>state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>top<span class="Delimiter">().</span>container<span class="Delimiter">.</span>type<span class="Delimiter">)-></span>value<span class="Delimiter">).</span>elements<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L170" class="LineNr">170 </span> state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>pop<span class="Delimiter">();</span>
<span id="L171" class="LineNr">171 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
<span id="L172" class="LineNr">172 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>ingredient_index < <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">))</span>
<span id="L173" class="LineNr">173 </span> <a href='003trace.cc.html#L178'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"too many ingredients in '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L195'>end</a><span class="Delimiter">();</span>
<span id="L174" class="LineNr">174 </span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L175" class="LineNr">175 </span> <span class="Delimiter">}</span>
<span id="L176" class="LineNr">176 </span> ++state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>top<span class="Delimiter">().</span>container_element_index<span class="Delimiter">;</span>
<span id="L177" class="LineNr">177 </span> <span class="Delimiter">}</span>
<span id="L178" class="LineNr">178 </span> <span class="Delimiter">}</span>
<span id="L179" class="LineNr">179 </span> <span class="Comment">// if not, maybe it's a field of the current element</span>
<span id="L180" class="LineNr">180 </span> <span class="Normal">else</span> <span class="Delimiter">{</span>
<span id="L181" class="LineNr">181 </span> <span class="Comment">// no change to ingredient_index</span>
<span id="L182" class="LineNr">182 </span> state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>push<span class="Delimiter">(</span>merge_check_point<span class="Delimiter">(</span>expected_ingredient<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">));</span>
<span id="L183" class="LineNr">183 </span> <span class="Delimiter">}</span>
<span id="L184" class="LineNr">184 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L185" class="LineNr">185 </span> <span class="Delimiter">}</span>
<span id="L186" class="LineNr">186 </span> <span class="Comment">// End check_merge_call Special-cases</span>
<span id="L187" class="LineNr">187 </span> <span class="Normal">default</span>: <span class="Delimiter">{</span>
<span id="L188" class="LineNr">188 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!types_coercible<span class="Delimiter">(</span>container<span class="Delimiter">,</span> ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>ingredient_index<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
<span id="L189" class="LineNr">189 </span> <a href='003trace.cc.html#L178'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"incorrect type of ingredient "</span> << ingredient_index << <span class="Constant">" in '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L195'>end</a><span class="Delimiter">();</span>
<span id="L190" class="LineNr">190 </span> <a href='003trace.cc.html#L178'>raise</a> << <span class="Constant">" (expected '"</span> << debug_string<span class="Delimiter">(</span>container<span class="Delimiter">)</span> << <span class="Constant">"')</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L195'>end</a><span class="Delimiter">();</span>
<span id="L191" class="LineNr">191 </span> <a href='003trace.cc.html#L178'>raise</a> << <span class="Constant">" (got '"</span> << debug_string<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>ingredient_index<span class="Delimiter">))</span> << <span class="Constant">"')</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L195'>end</a><span class="Delimiter">();</span>
<span id="L192" class="LineNr">192 </span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L193" class="LineNr">193 </span> <span class="Delimiter">}</span>
<span id="L194" class="LineNr">194 </span> ++ingredient_index<span class="Delimiter">;</span>
<span id="L195" class="LineNr">195 </span> <span class="Comment">// ++state.data.top().container_element_index; // unnecessary, but wouldn't do any harm</span>
<span id="L196" class="LineNr">196 </span> <span class="Normal">do</span> <span class="Delimiter">{</span>
<span id="L197" class="LineNr">197 </span> state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>pop<span class="Delimiter">();</span>
<span id="L198" class="LineNr">198 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
<span id="L199" class="LineNr">199 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>ingredient_index < <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">))</span>
<span id="L200" class="LineNr">200 </span> <a href='003trace.cc.html#L178'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"too many ingredients in '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L195'>end</a><span class="Delimiter">();</span>
<span id="L201" class="LineNr">201 </span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L202" class="LineNr">202 </span> <span class="Delimiter">}</span>
<span id="L203" class="LineNr">203 </span> ++state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>top<span class="Delimiter">().</span>container_element_index<span class="Delimiter">;</span>
<span id="L204" class="LineNr">204 </span> <span class="Delimiter">}</span> <span class="Normal">while</span> <span class="Delimiter">(</span>state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>top<span class="Delimiter">().</span>container_element_index >= <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> get_base_type<span class="Delimiter">(</span>state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>top<span class="Delimiter">().</span>container<span class="Delimiter">.</span>type<span class="Delimiter">)-></span>value<span class="Delimiter">).</span>elements<span class="Delimiter">));</span>
<span id="L205" class="LineNr">205 </span> <span class="Delimiter">}</span>
<span id="L206" class="LineNr">206 </span> <span class="Delimiter">}</span>
<span id="L207" class="LineNr">207 </span> <span class="Delimiter">}</span>
<span id="L208" class="LineNr">208 </span> <span class="Comment">// never gets here</span>
<span id="L209" class="LineNr">209 </span> assert<span class="Delimiter">(</span><span class="Constant">false</span><span class="Delimiter">);</span>
<span id="L210" class="LineNr">210 </span><span class="Delimiter">}</span>
<span id="L211" class="LineNr">211 </span>
<span id="L212" class="LineNr">212 </span><span class="Comment">//: replaced in a later layer</span>
<span id="L213" class="LineNr">213 </span><span class="Comment">//: todo: find some clean way to take this call completely out of this layer</span>
<span id="L214" class="LineNr">214 </span><span class="Normal">const</span> type_tree* get_base_type<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* t<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L215" class="LineNr">215 </span> <span class="Identifier">return</span> t<span class="Delimiter">;</span>
<span id="L216" class="LineNr">216 </span><span class="Delimiter">}</span>
<span id="L217" class="LineNr">217 </span>
<span id="L218" class="LineNr">218 </span><span class="Delimiter">:(scenario merge_check_product)</span>
<span id="L219" class="LineNr">219 </span><span class="Special">% Hide_errors = true;</span>
<span id="L220" class="LineNr">220 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L221" class="LineNr">221 </span> <span class="Constant">1</span>:num<span class="Special"> <- </span>merge <span class="Constant">3</span>
<span id="L222" class="LineNr">222 </span>]
<span id="L223" class="LineNr">223 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: 'merge' should yield a container in '1:num <- merge 3'</span>
<span id="L224" class="LineNr">224 </span>
<span id="L225" class="LineNr">225 </span><span class="Delimiter">:(before "End Includes")</span>
<span id="L226" class="LineNr">226 </span><span class="PreProc">#include </span><span class="Constant"><stack></span>
<span id="L227" class="LineNr">227 </span><span class="Normal">using</span> std::stack<span class="Delimiter">;</span>
</pre>
</body>
</html>
<!-- vim: set foldmethod=manual : -->
|