<!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 - 059shape_shifting_recipe.cc</title>
<meta name="Generator" content="Vim/7.4">
<meta name="plugin-version" content="vim7.4_v1">
<meta name="syntax" content="cpp">
<meta name="settings" content="use_css,pre_wrap,no_foldcolumn,expand_tabs,prevent_copy=">
<meta name="colorscheme" content="minimal">
<style type="text/css">
<!--
pre { white-space: pre-wrap; font-family: monospace; color: #eeeeee; background-color: #080808; }
body { font-family: monospace; color: #eeeeee; background-color: #080808; }
* { font-size: 1.05em; }
.traceContains { color: #008000; }
.Special { color: #ff6060; }
.cSpecial { color: #008000; }
.CommentedCode { color: #6c6c6c; }
.Comment { color: #9090ff; }
.Delimiter { color: #a04060; }
.SalientComment { color: #00ffff; }
.Identifier { color: #804000; }
.Constant { color: #00a0a0; }
-->
</style>
<script type='text/javascript'>
<!--
-->
</script>
</head>
<body>
<pre id='vimCodeElement'>
<span class="SalientComment">//:: Like container definitions, recipes too can contain type parameters.</span>
<span class="Delimiter">:(scenario shape_shifting_recipe)</span>
recipe main [
<span class="Constant">10</span>:point<span class="Special"> <- </span>merge <span class="Constant">14</span><span class="Delimiter">,</span> <span class="Constant">15</span>
<span class="Constant">11</span>:point<span class="Special"> <- </span>foo <span class="Constant">10</span>:point
]
<span class="Comment"># non-matching variant</span>
recipe foo a:number <span class="Delimiter">-></span> result:number [
local-scope
load-ingredients
result<span class="Special"> <- </span>copy <span class="Constant">34</span>
]
<span class="Comment"># matching shape-shifting variant</span>
recipe foo a:_t <span class="Delimiter">-></span> result:_t [
local-scope
load-ingredients
result<span class="Special"> <- </span>copy a
]
<span class="traceContains">+mem: storing 14 in location 11</span>
<span class="traceContains">+mem: storing 15 in location 12</span>
<span class="Comment">//: Before anything else, disable transforms for shape-shifting recipes and</span>
<span class="Comment">//: make sure we never try to actually run a shape-shifting recipe. We should</span>
<span class="Comment">//: be rewriting such instructions to *specializations* with the type</span>
<span class="Comment">//: ingredients filled in.</span>
<span class="Delimiter">:(before "End Transform Checks")</span>
if <span class="Delimiter">(</span>any_type_ingredient_in_header<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">recipe_ordinal</span><span class="Comment">*/</span>p<span class="Delimiter">-></span>first<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span class="Delimiter">:(after "Running One Instruction")</span>
if <span class="Delimiter">(</span>Current_routine<span class="Delimiter">-></span>calls<span class="Delimiter">.</span>front<span class="Delimiter">().</span>running_step_index == <span class="Constant">0</span>
&& any_type_ingredient_in_header<span class="Delimiter">(</span>Current_routine<span class="Delimiter">-></span>calls<span class="Delimiter">.</span>front<span class="Delimiter">().</span>running_recipe<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span class="CommentedCode">//? DUMP("");</span>
raise_error << <span class="Constant">"ran into unspecialized shape-shifting recipe "</span> << current_recipe_name<span class="Delimiter">()</span> << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span>
<span class="Delimiter">}</span>
<span class="Comment">//: Make sure we don't match up literals with type ingredients without</span>
<span class="Comment">//: specialization.</span>
<span class="Delimiter">:(before "End Matching Types For Literal(to)")</span>
if <span class="Delimiter">(</span>contains_type_ingredient_name<span class="Delimiter">(</span>to<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
<span class="Comment">//: We'll be creating recipes without loading them from anywhere by</span>
<span class="Comment">//: *specializing* existing recipes.</span>
<span class="Comment">//:</span>
<span class="Comment">//: Keep track of these new recipes in a separate variable in addition to</span>
<span class="Comment">//: Recently_added_recipes, so that edit/ can clear them before reloading to</span>
<span class="Comment">//: regenerate errors.</span>
<span class="Delimiter">:(before "End Globals")</span>
vector<recipe_ordinal> Recently_added_shape_shifting_recipes<span class="Delimiter">;</span>
<span class="Delimiter">:(before "End Setup")</span>
<span class="CommentedCode">//? cerr << "setup: clearing recently-added shape-shifting recipes\n";</span>
Recently_added_shape_shifting_recipes<span class="Delimiter">.</span>clear<span class="Delimiter">();</span>
<span class="Comment">//: make sure we don't clear any of these recipes when we start running tests</span>
<span class="Delimiter">:(before "End Loading .mu Files")</span>
Recently_added_recipes<span class="Delimiter">.</span>clear<span class="Delimiter">();</span>
Recently_added_types<span class="Delimiter">.</span>clear<span class="Delimiter">();</span>
<span class="CommentedCode">//? cerr << "clearing recently-added shape-shifting recipes\n";</span>
Recently_added_shape_shifting_recipes<span class="Delimiter">.</span>clear<span class="Delimiter">();</span>
<span class="Comment">//: save original name of specialized recipes</span>
<span class="Delimiter">:(before "End recipe Fields")</span>
string original_name<span class="Delimiter">;</span>
<span class="Comment">//: original name is only set during load</span>
<span class="Delimiter">:(before "End recipe Refinements")</span>
result<span class="Delimiter">.</span>original_name = result<span class="Delimiter">.</span>name<span class="Delimiter">;</span>
<span class="Delimiter">:(before "End Instruction Dispatch(inst, best_score)")</span>
if <span class="Delimiter">(</span>best_score == -<span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
trace<span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"no variant found; searching for variant with suitable type ingredients"</span> << end<span class="Delimiter">();</span>
<span class="CommentedCode">//? cerr << "no variant found for " << inst.name << "; searching for variant with suitable type ingredients" << '\n';</span>
recipe_ordinal exemplar = pick_matching_shape_shifting_variant<span class="Delimiter">(</span>variants<span class="Delimiter">,</span> inst<span class="Delimiter">,</span> best_score<span class="Delimiter">);</span>
if <span class="Delimiter">(</span>exemplar<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="CommentedCode">//? cerr << "specializing " << inst.name << '\n';</span>
trace<span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"found variant to specialize: "</span> << exemplar << <span class="Constant">' '</span> << get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> exemplar<span class="Delimiter">).</span>name << end<span class="Delimiter">();</span>
recipe_ordinal new_recipe_ordinal = new_variant<span class="Delimiter">(</span>exemplar<span class="Delimiter">,</span> inst<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">);</span>
if <span class="Delimiter">(</span>new_recipe_ordinal == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">goto</span> done_constructing_variant<span class="Delimiter">;</span>
variants<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>new_recipe_ordinal<span class="Delimiter">);</span>
recipe& variant = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> new_recipe_ordinal<span class="Delimiter">);</span>
<span class="Comment">// perform all transforms on the new specialization</span>
if <span class="Delimiter">(</span>!variant<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
trace<span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"transforming new specialization: "</span> << variant<span class="Delimiter">.</span>name << end<span class="Delimiter">();</span>
for <span class="Delimiter">(</span>long long int t = <span class="Constant">0</span><span class="Delimiter">;</span> t < SIZE<span class="Delimiter">(</span>Transform<span class="Delimiter">);</span> ++t<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Delimiter">(</span>*Transform<span class="Delimiter">.</span>at<span class="Delimiter">(</span>t<span class="Delimiter">))(</span>new_recipe_ordinal<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
variant<span class="Delimiter">.</span>transformed_until = SIZE<span class="Delimiter">(</span>Transform<span class="Delimiter">)</span>-<span class="Constant">1</span><span class="Delimiter">;</span>
inst<span class="Delimiter">.</span>name = variant<span class="Delimiter">.</span>name<span class="Delimiter">;</span>
trace<span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"new specialization: "</span> << inst<span class="Delimiter">.</span>name << end<span class="Delimiter">();</span>
<span class="Delimiter">}</span>
done_constructing_variant:<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Comment">//: make sure we have no unspecialized shape-shifting recipes being called</span>
<span class="Comment">//: before running mu programs</span>
<span class="Delimiter">:(before "End Instruction Operation Checks")</span>
if <span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>operation<span class="Delimiter">)</span> && inst<span class="Delimiter">.</span>operation >= MAX_PRIMITIVE_RECIPES
&& any_type_ingredient_in_header<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation<span class="Delimiter">))</span> <span class="Delimiter">{</span>
raise_error << maybe<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"instruction "</span> << inst<span class="Delimiter">.</span>name << <span class="Constant">" has no valid specialization</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
<span class="Identifier">return</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(code)</span>
string header<span class="Delimiter">(</span>const recipe& caller<span class="Delimiter">)</span> <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>!caller<span class="Delimiter">.</span>has_header<span class="Delimiter">)</span> <span class="Identifier">return</span> maybe<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">);</span>
ostringstream out<span class="Delimiter">;</span>
out << caller<span class="Delimiter">.</span>name<span class="Delimiter">;</span>
for <span class="Delimiter">(</span>long long int i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>i > <span class="Constant">0</span><span class="Delimiter">)</span> out << <span class="Constant">','</span><span class="Delimiter">;</span>
out << <span class="Constant">' '</span> << debug_string<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
<span class="Delimiter">}</span>
if <span class="Delimiter">(</span>!caller<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
out << <span class="Constant">" ->"</span><span class="Delimiter">;</span>
for <span class="Delimiter">(</span>long long int i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>i > <span class="Constant">0</span><span class="Delimiter">)</span> out << <span class="Constant">','</span><span class="Delimiter">;</span>
out << <span class="Constant">' '</span> << debug_string<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
out << <span class="Constant">": "</span><span class="Delimiter">;</span>
<span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
<span class="Delimiter">}</span>
recipe_ordinal pick_matching_shape_shifting_variant<span class="Delimiter">(</span>vector<recipe_ordinal>& variants<span class="Delimiter">,</span> const instruction& inst<span class="Delimiter">,</span> long long int& best_score<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="CommentedCode">//? cerr << "---- " << inst.name << ": " << non_ghost_size(variants) << '\n';</span>
recipe_ordinal result = <span class="Constant">0</span><span class="Delimiter">;</span>
for <span class="Delimiter">(</span>long long int i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>variants<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>variants<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> == -<span class="Constant">1</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span class="Comment">// ghost from a previous test</span>
<span class="CommentedCode">//? cerr << "-- variant " << i << "\n" << debug_string(get(Recipe, variants.at(i)));</span>
trace<span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"checking shape-shifting variant "</span> << i << end<span class="Delimiter">();</span>
long long int current_score = shape_shifting_variant_score<span class="Delimiter">(</span>inst<span class="Delimiter">,</span> variants<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
trace<span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"final score: "</span> << current_score << end<span class="Delimiter">();</span>
<span class="CommentedCode">//? cerr << get(Recipe, variants.at(i)).name << ": " << current_score << '\n';</span>
if <span class="Delimiter">(</span>current_score > best_score<span class="Delimiter">)</span> <span class="Delimiter">{</span>
trace<span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"matches"</span> << end<span class="Delimiter">();</span>
result = variants<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
best_score = current_score<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
<span class="Identifier">return</span> result<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
long long int shape_shifting_variant_score<span class="Delimiter">(</span>const instruction& inst<span class="Delimiter">,</span> recipe_ordinal variant<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="CommentedCode">//? cerr << "======== " << inst.to_string() << '\n';</span>
if <span class="Delimiter">(</span>!any_type_ingredient_in_header<span class="Delimiter">(</span>variant<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">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"no type ingredients"</span> << end<span class="Delimiter">();</span>
<span class="CommentedCode">//? cerr << "no type ingredients\n";</span>
<span class="Identifier">return</span> -<span class="Constant">1</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
const vector<reagent>& header_ingredients = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> variant<span class="Delimiter">).</span>ingredients<span class="Delimiter">;</span>
if <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> < SIZE<span class="Delimiter">(</span>header_ingredients<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">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"too few ingredients"</span> << end<span class="Delimiter">();</span>
<span class="CommentedCode">//? cerr << "too few ingredients\n";</span>
<span class="Identifier">return</span> -<span class="Constant">1</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
for <span class="Delimiter">(</span>long long int i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>header_ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>!deeply_equal_concrete_types<span class="Delimiter">(</span>header_ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<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">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"mismatch: ingredient "</span> << i << end<span class="Delimiter">();</span>
<span class="CommentedCode">//? cerr << "mismatch: ingredient " << i << ": " << debug_string(header_ingredients.at(i)) << " vs " << debug_string(inst.ingredients.at(i)) << '\n';</span>
<span class="Identifier">return</span> -<span class="Constant">1</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
if <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> > SIZE<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> variant<span class="Delimiter">).</span>products<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">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"too few products"</span> << end<span class="Delimiter">();</span>
<span class="CommentedCode">//? cerr << "too few products\n";</span>
<span class="Identifier">return</span> -<span class="Constant">1</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
const vector<reagent>& header_products = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> variant<span class="Delimiter">).</span>products<span class="Delimiter">;</span>
for <span class="Delimiter">(</span>long long int i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>is_dummy<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
if <span class="Delimiter">(</span>!deeply_equal_concrete_types<span class="Delimiter">(</span>header_products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<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">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"mismatch: product "</span> << i << end<span class="Delimiter">();</span>
<span class="CommentedCode">//? cerr << "mismatch: product " << i << '\n';</span>
<span class="Identifier">return</span> -<span class="Constant">1</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
<span class="Comment">// the greater the number of unused ingredients, the lower the score</span>
<span class="Identifier">return</span> <span class="Constant">100</span> - <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> variant<span class="Delimiter">).</span>products<span class="Delimiter">)</span>-SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">))</span>
- <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span>-SIZE<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> variant<span class="Delimiter">).</span>ingredients<span class="Delimiter">))</span> <span class="Comment">// ok to go negative</span>
+ number_of_concrete_types<span class="Delimiter">(</span>variant<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
bool any_type_ingredient_in_header<span class="Delimiter">(</span>recipe_ordinal variant<span class="Delimiter">)</span> <span class="Delimiter">{</span>
const recipe& caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> variant<span class="Delimiter">);</span>
for <span class="Delimiter">(</span>long long int i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>contains_type_ingredient_name<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span>
<span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
for <span class="Delimiter">(</span>long long int i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>contains_type_ingredient_name<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span>
<span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
bool deeply_equal_concrete_types<span class="Delimiter">(</span>reagent to<span class="Delimiter">,</span> reagent from<span class="Delimiter">)</span> <span class="Delimiter">{</span>
canonize_type<span class="Delimiter">(</span>to<span class="Delimiter">);</span>
canonize_type<span class="Delimiter">(</span>from<span class="Delimiter">);</span>
<span class="Identifier">return</span> deeply_equal_concrete_types<span class="Delimiter">(</span>to<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>second<span class="Delimiter">,</span> from<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>second<span class="Delimiter">,</span> from<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
long long int number_of_concrete_types<span class="Delimiter">(</span>recipe_ordinal r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
const recipe& caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
long long int result = <span class="Constant">0</span><span class="Delimiter">;</span>
for <span class="Delimiter">(</span>long long int i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span>
result += number_of_concrete_types<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
for <span class="Delimiter">(</span>long long int i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span>
result += number_of_concrete_types<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
<span class="Identifier">return</span> result<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
long long int number_of_concrete_types<span class="Delimiter">(</span>const reagent& r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Identifier">return</span> number_of_concrete_types<span class="Delimiter">(</span>r<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>second<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
long long int number_of_concrete_types<span class="Delimiter">(</span>const string_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>!type<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span>
long long int result = <span class="Constant">0</span><span class="Delimiter">;</span>
if <span class="Delimiter">(</span>!type<span class="Delimiter">-></span>value<span class="Delimiter">.</span>empty<span class="Delimiter">()</span> && !is_type_ingredient_name<span class="Delimiter">(</span>type<span class="Delimiter">-></span>value<span class="Delimiter">))</span>
result++<span class="Delimiter">;</span>
result += number_of_concrete_types<span class="Delimiter">(</span>type<span class="Delimiter">-></span>left<span class="Delimiter">);</span>
result += number_of_concrete_types<span class="Delimiter">(</span>type<span class="Delimiter">-></span>right<span class="Delimiter">);</span>
<span class="Identifier">return</span> result<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
bool deeply_equal_concrete_types<span class="Delimiter">(</span>const string_tree* to<span class="Delimiter">,</span> const string_tree* from<span class="Delimiter">,</span> const reagent& rhs_reagent<span class="Delimiter">)</span> <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>!to<span class="Delimiter">)</span> <span class="Identifier">return</span> !from<span class="Delimiter">;</span>
if <span class="Delimiter">(</span>!from<span class="Delimiter">)</span> <span class="Identifier">return</span> !to<span class="Delimiter">;</span>
if <span class="Delimiter">(</span>is_type_ingredient_name<span class="Delimiter">(</span>to<span class="Delimiter">-></span>value<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span> <span class="Comment">// type ingredient matches anything</span>
if <span class="Delimiter">(</span>to<span class="Delimiter">-></span>value == <span class="Constant">"literal"</span> && from<span class="Delimiter">-></span>value == <span class="Constant">"literal"</span><span class="Delimiter">)</span>
<span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
if <span class="Delimiter">(</span>to<span class="Delimiter">-></span>value == <span class="Constant">"literal"</span>
&& Literal_type_names<span class="Delimiter">.</span>find<span class="Delimiter">(</span>from<span class="Delimiter">-></span>value<span class="Delimiter">)</span> != Literal_type_names<span class="Delimiter">.</span>end<span class="Delimiter">())</span>
<span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
if <span class="Delimiter">(</span>from<span class="Delimiter">-></span>value == <span class="Constant">"literal"</span>
&& Literal_type_names<span class="Delimiter">.</span>find<span class="Delimiter">(</span>to<span class="Delimiter">-></span>value<span class="Delimiter">)</span> != Literal_type_names<span class="Delimiter">.</span>end<span class="Delimiter">())</span>
<span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
if <span class="Delimiter">(</span>from<span class="Delimiter">-></span>value == <span class="Constant">"literal"</span> && to<span class="Delimiter">-></span>value == <span class="Constant">"address"</span><span class="Delimiter">)</span>
<span class="Identifier">return</span> rhs_reagent<span class="Delimiter">.</span>name == <span class="Constant">"0"</span><span class="Delimiter">;</span>
<span class="CommentedCode">//? cerr << to->value << " vs " << from->value << '\n';</span>
<span class="Identifier">return</span> to<span class="Delimiter">-></span>value == from<span class="Delimiter">-></span>value
&& deeply_equal_concrete_types<span class="Delimiter">(</span>to<span class="Delimiter">-></span>left<span class="Delimiter">,</span> from<span class="Delimiter">-></span>left<span class="Delimiter">,</span> rhs_reagent<span class="Delimiter">)</span>
&& deeply_equal_concrete_types<span class="Delimiter">(</span>to<span class="Delimiter">-></span>right<span class="Delimiter">,</span> from<span class="Delimiter">-></span>right<span class="Delimiter">,</span> rhs_reagent<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
bool contains_type_ingredient_name<span class="Delimiter">(</span>const reagent& x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Identifier">return</span> contains_type_ingredient_name<span class="Delimiter">(</span>x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>second<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
bool contains_type_ingredient_name<span class="Delimiter">(</span>const string_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>!type<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
if <span class="Delimiter">(</span>is_type_ingredient_name<span class="Delimiter">(</span>type<span class="Delimiter">-></span>value<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
<span class="Identifier">return</span> contains_type_ingredient_name<span class="Delimiter">(</span>type<span class="Delimiter">-></span>left<span class="Delimiter">)</span> || contains_type_ingredient_name<span class="Delimiter">(</span>type<span class="Delimiter">-></span>right<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
bool is_type_ingredient_name<span class="Delimiter">(</span>const string& type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Identifier">return</span> !type<span class="Delimiter">.</span>empty<span class="Delimiter">()</span> && type<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> == <span class="Constant">'_'</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
recipe_ordinal new_variant<span class="Delimiter">(</span>recipe_ordinal exemplar<span class="Delimiter">,</span> const instruction& inst<span class="Delimiter">,</span> const recipe& caller_recipe<span class="Delimiter">)</span> <span class="Delimiter">{</span>
string new_name = next_unused_recipe_name<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name<span class="Delimiter">);</span>
trace<span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"switching "</span> << inst<span class="Delimiter">.</span>name << <span class="Constant">" to "</span> << new_name << end<span class="Delimiter">();</span>
assert<span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> new_name<span class="Delimiter">));</span>
recipe_ordinal new_recipe_ordinal = put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> new_name<span class="Delimiter">,</span> Next_recipe_ordinal++<span class="Delimiter">);</span>
<span class="Comment">// make a copy</span>
assert<span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> exemplar<span class="Delimiter">));</span>
assert<span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> new_recipe_ordinal<span class="Delimiter">));</span>
Recently_added_recipes<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>new_recipe_ordinal<span class="Delimiter">);</span>
Recently_added_shape_shifting_recipes<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>new_recipe_ordinal<span class="Delimiter">);</span>
put<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> new_recipe_ordinal<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> exemplar<span class="Delimiter">));</span>
recipe& new_recipe = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> new_recipe_ordinal<span class="Delimiter">);</span>
new_recipe<span class="Delimiter">.</span>name = new_name<span class="Delimiter">;</span>
<span class="Comment">// Since the exemplar never ran any transforms, we have to redo some of the</span>
<span class="Comment">// work of the check_types_by_name transform while supporting type-ingredients.</span>
compute_type_names<span class="Delimiter">(</span>new_recipe<span class="Delimiter">);</span>
<span class="Comment">// that gives enough information to replace type-ingredients with concrete types</span>
<span class="Delimiter">{</span>
map<string<span class="Delimiter">,</span> const string_tree*> mappings<span class="Delimiter">;</span>
bool error = <span class="Constant">false</span><span class="Delimiter">;</span>
compute_type_ingredient_mappings<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> exemplar<span class="Delimiter">),</span> inst<span class="Delimiter">,</span> mappings<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">,</span> &error<span class="Delimiter">);</span>
if <span class="Delimiter">(</span>!error<span class="Delimiter">)</span> replace_type_ingredients<span class="Delimiter">(</span>new_recipe<span class="Delimiter">,</span> mappings<span class="Delimiter">);</span>
for <span class="Delimiter">(</span>map<string<span class="Delimiter">,</span> const string_tree*>::iterator p = mappings<span class="Delimiter">.</span>begin<span class="Delimiter">();</span> p != mappings<span class="Delimiter">.</span>end<span class="Delimiter">();</span> ++p<span class="Delimiter">)</span>
delete p<span class="Delimiter">-></span>second<span class="Delimiter">;</span>
if <span class="Delimiter">(</span>error<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span> <span class="Comment">// todo: delete new_recipe_ordinal from Recipes and other global state</span>
<span class="Delimiter">}</span>
ensure_all_concrete_types<span class="Delimiter">(</span>new_recipe<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> exemplar<span class="Delimiter">));</span>
<span class="Identifier">return</span> new_recipe_ordinal<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
void compute_type_names<span class="Delimiter">(</span>recipe& variant<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">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"compute type names: "</span> << variant<span class="Delimiter">.</span>name << end<span class="Delimiter">();</span>
map<string<span class="Delimiter">,</span> string_tree*> type_names<span class="Delimiter">;</span>
for <span class="Delimiter">(</span>long long int i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>variant<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span>
save_or_deduce_type_name<span class="Delimiter">(</span>variant<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> type_names<span class="Delimiter">,</span> variant<span class="Delimiter">);</span>
for <span class="Delimiter">(</span>long long int i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>variant<span class="Delimiter">.</span>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span>
save_or_deduce_type_name<span class="Delimiter">(</span>variant<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> type_names<span class="Delimiter">,</span> variant<span class="Delimiter">);</span>
for <span class="Delimiter">(</span>long long int i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>variant<span class="Delimiter">.</span>steps<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
instruction& inst = variant<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
trace<span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">" instruction: "</span> << inst<span class="Delimiter">.</span>to_string<span class="Delimiter">()</span> << end<span class="Delimiter">();</span>
for <span class="Delimiter">(</span>long long int in = <span class="Constant">0</span><span class="Delimiter">;</span> in < SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++in<span class="Delimiter">)</span>
save_or_deduce_type_name<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>in<span class="Delimiter">),</span> type_names<span class="Delimiter">,</span> variant<span class="Delimiter">);</span>
for <span class="Delimiter">(</span>long long int out = <span class="Constant">0</span><span class="Delimiter">;</span> out < SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span> ++out<span class="Delimiter">)</span>
save_or_deduce_type_name<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>out<span class="Delimiter">),</span> type_names<span class="Delimiter">,</span> variant<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
void save_or_deduce_type_name<span class="Delimiter">(</span>reagent& x<span class="Delimiter">,</span> map<string<span class="Delimiter">,</span> string_tree*>& type_name<span class="Delimiter">,</span> const recipe& variant<span class="Delimiter">)</span> <span class="Delimiter">{</span>
trace<span class="Delimiter">(</span><span class="Constant">9994</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">" checking "</span> << x<span class="Delimiter">.</span>to_string<span class="Delimiter">()</span> << <span class="Constant">": "</span> << debug_string<span class="Delimiter">(</span>x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>second<span class="Delimiter">)</span> << end<span class="Delimiter">();</span>
if <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>second && contains_key<span class="Delimiter">(</span>type_name<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>second = new string_tree<span class="Delimiter">(</span>*get<span class="Delimiter">(</span>type_name<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">));</span>
trace<span class="Delimiter">(</span><span class="Constant">9994</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">" deducing type to "</span> << debug_string<span class="Delimiter">(</span>x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>second<span class="Delimiter">)</span> << end<span class="Delimiter">();</span>
<span class="Identifier">return</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
if <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>second<span class="Delimiter">)</span> <span class="Delimiter">{</span>
raise_error << maybe<span class="Delimiter">(</span>variant<span class="Delimiter">.</span>original_name<span class="Delimiter">)</span> << <span class="Constant">"unknown type for "</span> << x<span class="Delimiter">.</span>original_string << <span class="Constant">" (check the name for typos)</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
<span class="Identifier">return</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
if <span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>type_name<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
if <span class="Delimiter">(</span>x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>second<span class="Delimiter">-></span>value == <span class="Constant">"offset"</span> || x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>second<span class="Delimiter">-></span>value == <span class="Constant">"variant"</span><span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// special-case for container-access instructions</span>
put<span class="Delimiter">(</span>type_name<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">,</span> x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>second<span class="Delimiter">);</span>
trace<span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"type of "</span> << x<span class="Delimiter">.</span>name << <span class="Constant">" is "</span> << debug_string<span class="Delimiter">(</span>x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>second<span class="Delimiter">)</span> << end<span class="Delimiter">();</span>
<span class="Delimiter">}</span>
void compute_type_ingredient_mappings<span class="Delimiter">(</span>const recipe& exemplar<span class="Delimiter">,</span> const instruction& inst<span class="Delimiter">,</span> map<string<span class="Delimiter">,</span> const string_tree*>& mappings<span class="Delimiter">,</span> const recipe& caller_recipe<span class="Delimiter">,</span> bool* error<span class="Delimiter">)</span> <span class="Delimiter">{</span>
long long int limit = min<span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> SIZE<span class="Delimiter">(</span>exemplar<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span>
for <span class="Delimiter">(</span>long long int i = <span class="Constant">0</span><span class="Delimiter">;</span> i < limit<span class="Delimiter">;</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
const reagent& exemplar_reagent = exemplar<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
reagent ingredient = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
assert<span class="Delimiter">(</span>ingredient<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>second<span class="Delimiter">);</span>
canonize_type<span class="Delimiter">(</span>ingredient<span class="Delimiter">);</span>
if <span class="Delimiter">(</span>is_mu_address<span class="Delimiter">(</span>exemplar_reagent<span class="Delimiter">)</span> && ingredient<span class="Delimiter">.</span>name == <span class="Constant">"0"</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span class="Comment">// assume it matches</span>
accumulate_type_ingredients<span class="Delimiter">(</span>exemplar_reagent<span class="Delimiter">,</span> ingredient<span class="Delimiter">,</span> mappings<span class="Delimiter">,</span> exemplar<span class="Delimiter">,</span> inst<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">,</span> error<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
limit = min<span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">),</span> SIZE<span class="Delimiter">(</span>exemplar<span class="Delimiter">.</span>products<span class="Delimiter">));</span>
for <span class="Delimiter">(</span>long long int i = <span class="Constant">0</span><span class="Delimiter">;</span> i < limit<span class="Delimiter">;</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
const reagent& exemplar_reagent = exemplar<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
reagent product = inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
assert<span class="Delimiter">(</span>product<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>second<span class="Delimiter">);</span>
canonize_type<span class="Delimiter">(</span>product<span class="Delimiter">);</span>
accumulate_type_ingredients<span class="Delimiter">(</span>exemplar_reagent<span class="Delimiter">,</span> product<span class="Delimiter">,</span> mappings<span class="Delimiter">,</span> exemplar<span class="Delimiter">,</span> inst<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">,</span> error<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
inline long long int min<span class="Delimiter">(</span>long long int a<span class="Delimiter">,</span> long long int b<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Identifier">return</span> <span class="Delimiter">(</span>a < b<span class="Delimiter">)</span> ? a : b<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
void accumulate_type_ingredients<span class="Delimiter">(</span>const reagent& exemplar_reagent<span class="Delimiter">,</span> reagent& refinement<span class="Delimiter">,</span> map<string<span class="Delimiter">,</span> const string_tree*>& mappings<span class="Delimiter">,</span> const recipe& exemplar<span class="Delimiter">,</span> const instruction& call_instruction<span class="Delimiter">,</span> const recipe& caller_recipe<span class="Delimiter">,</span> bool* error<span class="Delimiter">)</span> <span class="Delimiter">{</span>
assert<span class="Delimiter">(</span>refinement<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>second<span class="Delimiter">);</span>
accumulate_type_ingredients<span class="Delimiter">(</span>exemplar_reagent<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>second<span class="Delimiter">,</span> refinement<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>second<span class="Delimiter">,</span> mappings<span class="Delimiter">,</span> exemplar<span class="Delimiter">,</span> exemplar_reagent<span class="Delimiter">,</span> call_instruction<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">,</span> error<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
void accumulate_type_ingredients<span class="Delimiter">(</span>const string_tree* exemplar_type<span class="Delimiter">,</span> const string_tree* refinement_type<span class="Delimiter">,</span> map<string<span class="Delimiter">,</span> const string_tree*>& mappings<span class="Delimiter">,</span> const recipe& exemplar<span class="Delimiter">,</span> const reagent& exemplar_reagent<span class="Delimiter">,</span> const instruction& call_instruction<span class="Delimiter">,</span> const recipe& caller_recipe<span class="Delimiter">,</span> bool* error<span class="Delimiter">)</span> <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>!exemplar_type<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
if <span class="Delimiter">(</span>!refinement_type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Comment">// todo: make this smarter; only warn if exemplar_type contains some *new* type ingredient</span>
raise_error << maybe<span class="Delimiter">(</span>exemplar<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"missing type ingredient in "</span> << exemplar_reagent<span class="Delimiter">.</span>original_string << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span>
<span class="Identifier">return</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
if <span class="Delimiter">(</span>!exemplar_type<span class="Delimiter">-></span>value<span class="Delimiter">.</span>empty<span class="Delimiter">()</span> && exemplar_type<span class="Delimiter">-></span>value<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> == <span class="Constant">'_'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
assert<span class="Delimiter">(</span>!refinement_type<span class="Delimiter">-></span>value<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
if <span class="Delimiter">(</span>exemplar_type<span class="Delimiter">-></span>right<span class="Delimiter">)</span> <span class="Delimiter">{</span>
raise_error << <span class="Constant">"type_ingredients in non-last position not currently supported</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
<span class="Identifier">return</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
if <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-></span>value<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">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"adding mapping from "</span> << exemplar_type<span class="Delimiter">-></span>value << <span class="Constant">" to "</span> << debug_string<span class="Delimiter">(</span>refinement_type<span class="Delimiter">)</span> << end<span class="Delimiter">();</span>
put<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-></span>value<span class="Delimiter">,</span> new string_tree<span class="Delimiter">(</span>*refinement_type<span class="Delimiter">));</span>
<span class="Delimiter">}</span>
else <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>!deeply_equal_types<span class="Delimiter">(</span>get<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-></span>value<span class="Delimiter">),</span> refinement_type<span class="Delimiter">))</span> <span class="Delimiter">{</span>
raise_error << maybe<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"no call found for '"</span> << call_instruction<span class="Delimiter">.</span>to_string<span class="Delimiter">()</span> << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
<span class="CommentedCode">//? cerr << exemplar_type->value << ": " << debug_string(get(mappings, exemplar_type->value)) << " vs " << debug_string(refinement_type) << '\n';</span>
*error = <span class="Constant">true</span><span class="Delimiter">;</span>
<span class="Identifier">return</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="CommentedCode">//? cerr << exemplar_type->value << ": " << debug_string(get(mappings, exemplar_type->value)) << " <= " << debug_string(refinement_type) << '\n';</span>
if <span class="Delimiter">(</span>get<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-></span>value<span class="Delimiter">)-></span>value == <span class="Constant">"literal"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
delete get<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-></span>value<span class="Delimiter">);</span>
put<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-></span>value<span class="Delimiter">,</span> new string_tree<span class="Delimiter">(</span>*refinement_type<span class="Delimiter">));</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
else <span class="Delimiter">{</span>
accumulate_type_ingredients<span class="Delimiter">(</span>exemplar_type<span class="Delimiter">-></span>left<span class="Delimiter">,</span> refinement_type<span class="Delimiter">-></span>left<span class="Delimiter">,</span> mappings<span class="Delimiter">,</span> exemplar<span class="Delimiter">,</span> exemplar_reagent<span class="Delimiter">,</span> call_instruction<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">,</span> error<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
accumulate_type_ingredients<span class="Delimiter">(</span>exemplar_type<span class="Delimiter">-></span>right<span class="Delimiter">,</span> refinement_type<span class="Delimiter">-></span>right<span class="Delimiter">,</span> mappings<span class="Delimiter">,</span> exemplar<span class="Delimiter">,</span> exemplar_reagent<span class="Delimiter">,</span> call_instruction<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">,</span> error<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
void replace_type_ingredients<span class="Delimiter">(</span>recipe& new_recipe<span class="Delimiter">,</span> const map<string<span class="Delimiter">,</span> const string_tree*>& mappings<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Comment">// update its header</span>
if <span class="Delimiter">(</span>mappings<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
trace<span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"replacing in recipe header ingredients"</span> << end<span class="Delimiter">();</span>
for <span class="Delimiter">(</span>long long int i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span>
replace_type_ingredients<span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> mappings<span class="Delimiter">,</span> new_recipe<span class="Delimiter">);</span>
trace<span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"replacing in recipe header products"</span> << end<span class="Delimiter">();</span>
for <span class="Delimiter">(</span>long long int i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span>
replace_type_ingredients<span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> mappings<span class="Delimiter">,</span> new_recipe<span class="Delimiter">);</span>
<span class="Comment">// update its body</span>
for <span class="Delimiter">(</span>long long int i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
instruction& inst = new_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
trace<span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"replacing in instruction '"</span> << inst<span class="Delimiter">.</span>to_string<span class="Delimiter">()</span> << <span class="Constant">"'"</span> << end<span class="Delimiter">();</span>
for <span class="Delimiter">(</span>long long int j = <span class="Constant">0</span><span class="Delimiter">;</span> j < SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++j<span class="Delimiter">)</span>
replace_type_ingredients<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">),</span> mappings<span class="Delimiter">,</span> new_recipe<span class="Delimiter">);</span>
for <span class="Delimiter">(</span>long long int j = <span class="Constant">0</span><span class="Delimiter">;</span> j < SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span> ++j<span class="Delimiter">)</span>
replace_type_ingredients<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">),</span> mappings<span class="Delimiter">,</span> new_recipe<span class="Delimiter">);</span>
<span class="Comment">// special-case for new: replace type ingredient in first ingredient *value*</span>
if <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">"new"</span> && inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>second<span class="Delimiter">-></span>value != <span class="Constant">"literal-string"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
string_tree* type_name = parse_string_tree<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name<span class="Delimiter">);</span>
replace_type_ingredients<span class="Delimiter">(</span>type_name<span class="Delimiter">,</span> mappings<span class="Delimiter">);</span>
inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name = type_name<span class="Delimiter">-></span>to_string<span class="Delimiter">();</span>
delete type_name<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
void replace_type_ingredients<span class="Delimiter">(</span>reagent& x<span class="Delimiter">,</span> const map<string<span class="Delimiter">,</span> const string_tree*>& mappings<span class="Delimiter">,</span> const recipe& caller<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">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"replacing in ingredient "</span> << x<span class="Delimiter">.</span>original_string << end<span class="Delimiter">();</span>
<span class="Comment">// replace properties</span>
if <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>second<span class="Delimiter">)</span> <span class="Delimiter">{</span>
raise_error << <span class="Constant">"specializing "</span> << caller<span class="Delimiter">.</span>original_name << <span class="Constant">": missing type for "</span> << x<span class="Delimiter">.</span>original_string << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span>
<span class="Identifier">return</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
replace_type_ingredients<span class="Delimiter">(</span>x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>second<span class="Delimiter">,</span> mappings<span class="Delimiter">);</span>
<span class="Comment">// refresh types from properties</span>
delete x<span class="Delimiter">.</span>type<span class="Delimiter">;</span>
x<span class="Delimiter">.</span>type = new_type_tree<span class="Delimiter">(</span>x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>second<span class="Delimiter">);</span>
if <span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">)</span>
trace<span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">" after: "</span> << debug_string<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> << end<span class="Delimiter">();</span>
<span class="Delimiter">}</span>
void replace_type_ingredients<span class="Delimiter">(</span>string_tree* type<span class="Delimiter">,</span> const map<string<span class="Delimiter">,</span> const string_tree*>& mappings<span class="Delimiter">)</span> <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>!type<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
if <span class="Delimiter">(</span>is_type_ingredient_name<span class="Delimiter">(</span>type<span class="Delimiter">-></span>value<span class="Delimiter">)</span> && contains_key<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> type<span class="Delimiter">-></span>value<span class="Delimiter">))</span> <span class="Delimiter">{</span>
const string_tree* replacement = get<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> type<span class="Delimiter">-></span>value<span class="Delimiter">);</span>
trace<span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << type<span class="Delimiter">-></span>value << <span class="Constant">" => "</span> << debug_string<span class="Delimiter">(</span>replacement<span class="Delimiter">)</span> << end<span class="Delimiter">();</span>
if <span class="Delimiter">(</span>replacement<span class="Delimiter">-></span>value == <span class="Constant">"literal"</span><span class="Delimiter">)</span>
type<span class="Delimiter">-></span>value = <span class="Constant">"number"</span><span class="Delimiter">;</span>
else
type<span class="Delimiter">-></span>value = replacement<span class="Delimiter">-></span>value<span class="Delimiter">;</span>
if <span class="Delimiter">(</span>replacement<span class="Delimiter">-></span>left<span class="Delimiter">)</span> type<span class="Delimiter">-></span>left = new string_tree<span class="Delimiter">(</span>*replacement<span class="Delimiter">-></span>left<span class="Delimiter">);</span>
if <span class="Delimiter">(</span>replacement<span class="Delimiter">-></span>right<span class="Delimiter">)</span> type<span class="Delimiter">-></span>right = new string_tree<span class="Delimiter">(</span>*replacement<span class="Delimiter">-></span>right<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
replace_type_ingredients<span class="Delimiter">(</span>type<span class="Delimiter">-></span>left<span class="Delimiter">,</span> mappings<span class="Delimiter">);</span>
replace_type_ingredients<span class="Delimiter">(</span>type<span class="Delimiter">-></span>right<span class="Delimiter">,</span> mappings<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
void ensure_all_concrete_types<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">const</span><span class="Comment">*/</span> recipe& new_recipe<span class="Delimiter">,</span> const recipe& exemplar<span class="Delimiter">)</span> <span class="Delimiter">{</span>
for <span class="Delimiter">(</span>long long int i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span>
ensure_all_concrete_types<span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> exemplar<span class="Delimiter">);</span>
for <span class="Delimiter">(</span>long long int i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span>
ensure_all_concrete_types<span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> exemplar<span class="Delimiter">);</span>
for <span class="Delimiter">(</span>long long int i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
instruction& inst = new_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
for <span class="Delimiter">(</span>long long int j = <span class="Constant">0</span><span class="Delimiter">;</span> j < SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++j<span class="Delimiter">)</span>
ensure_all_concrete_types<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">),</span> exemplar<span class="Delimiter">);</span>
for <span class="Delimiter">(</span>long long int j = <span class="Constant">0</span><span class="Delimiter">;</span> j < SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span> ++j<span class="Delimiter">)</span>
ensure_all_concrete_types<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">),</span> exemplar<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
void ensure_all_concrete_types<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">const</span><span class="Comment">*/</span> reagent& x<span class="Delimiter">,</span> const recipe& exemplar<span class="Delimiter">)</span> <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
raise_error << maybe<span class="Delimiter">(</span>exemplar<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"failed to map a type to "</span> << x<span class="Delimiter">.</span>original_string << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span>
x<span class="Delimiter">.</span>type = new type_tree<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> <span class="Comment">// just to prevent crashes later</span>
<span class="Identifier">return</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
if <span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>value == -<span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
raise_error << maybe<span class="Delimiter">(</span>exemplar<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"failed to map a type to the unknown "</span> << x<span class="Delimiter">.</span>original_string << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span>
<span class="Identifier">return</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
long long int non_ghost_size<span class="Delimiter">(</span>vector<recipe_ordinal>& variants<span class="Delimiter">)</span> <span class="Delimiter">{</span>
long long int result = <span class="Constant">0</span><span class="Delimiter">;</span>
for <span class="Delimiter">(</span>long long int i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>variants<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span>
if <span class="Delimiter">(</span>variants<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> != -<span class="Constant">1</span><span class="Delimiter">)</span> ++result<span class="Delimiter">;</span>
<span class="Identifier">return</span> result<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(scenario shape_shifting_recipe_2)</span>
recipe main [
<span class="Constant">10</span>:point<span class="Special"> <- </span>merge <span class="Constant">14</span><span class="Delimiter">,</span> <span class="Constant">15</span>
<span class="Constant">11</span>:point<span class="Special"> <- </span>foo <span class="Constant">10</span>:point
]
<span class="Comment"># non-matching shape-shifting variant</span>
recipe foo a:_t<span class="Delimiter">,</span> b:_t <span class="Delimiter">-></span> result:number [
local-scope
load-ingredients
result<span class="Special"> <- </span>copy <span class="Constant">34</span>
]
<span class="Comment"># matching shape-shifting variant</span>
recipe foo a:_t <span class="Delimiter">-></span> result:_t [
local-scope
load-ingredients
result<span class="Special"> <- </span>copy a
]
<span class="traceContains">+mem: storing 14 in location 11</span>
<span class="traceContains">+mem: storing 15 in location 12</span>
<span class="Delimiter">:(scenario shape_shifting_recipe_nonroot)</span>
recipe main [
<span class="Constant">10</span>:foo:point<span class="Special"> <- </span>merge <span class="Constant">14</span><span class="Delimiter">,</span> <span class="Constant">15</span><span class="Delimiter">,</span> <span class="Constant">16</span>
<span class="Constant">20</span>:point/<span class="Special">raw <- </span>bar <span class="Constant">10</span>:foo:point
]
<span class="Comment"># shape-shifting recipe with type ingredient following some other type</span>
recipe bar a:foo:_t <span class="Delimiter">-></span> result:_t [
local-scope
load-ingredients
result<span class="Special"> <- </span>get a<span class="Delimiter">,</span> x:offset
]
container foo:_t [
x:_t
y:number
]
<span class="traceContains">+mem: storing 14 in location 20</span>
<span class="traceContains">+mem: storing 15 in location 21</span>
<span class="Delimiter">:(scenario shape_shifting_recipe_type_deduction_ignores_offsets)</span>
recipe main [
<span class="Constant">10</span>:foo:point<span class="Special"> <- </span>merge <span class="Constant">14</span><span class="Delimiter">,</span> <span class="Constant">15</span><span class="Delimiter">,</span> <span class="Constant">16</span>
<span class="Constant">20</span>:point/<span class="Special">raw <- </span>bar <span class="Constant">10</span>:foo:point
]
recipe bar a:foo:_t <span class="Delimiter">-></span> result:_t [
local-scope
load-ingredients
x:number<span class="Special"> <- </span>copy <span class="Constant">1</span>
result<span class="Special"> <- </span>get a<span class="Delimiter">,</span> x:offset <span class="Comment"># shouldn't collide with other variable</span>
]
container foo:_t [
x:_t
y:number
]
<span class="traceContains">+mem: storing 14 in location 20</span>
<span class="traceContains">+mem: storing 15 in location 21</span>
<span class="Delimiter">:(scenario shape_shifting_recipe_empty)</span>
recipe main [
foo <span class="Constant">1</span>
]
<span class="Comment"># shape-shifting recipe with no body</span>
recipe foo a:_t [
]
<span class="Comment"># shouldn't crash</span>
<span class="Delimiter">:(scenario shape_shifting_recipe_handles_shape_shifting_new_ingredient)</span>
recipe main [
<span class="Constant">1</span>:address:shared:foo:point<span class="Special"> <- </span>bar <span class="Constant">3</span>
<span class="Constant">11</span>:foo:point<span class="Special"> <- </span>copy *<span class="Constant">1</span>:address:shared:foo:point
]
container foo:_t [
x:_t
y:number
]
recipe bar x:number <span class="Delimiter">-></span> result:address:shared:foo:_t [
local-scope
load-ingredients
<span class="Comment"># new refers to _t in its ingredient *value*</span>
result<span class="Special"> <- </span>new <span class="Delimiter">{(</span>foo _t<span class="Delimiter">)</span> : type<span class="Delimiter">}</span>
]
<span class="traceContains">+mem: storing 0 in location 11</span>
<span class="traceContains">+mem: storing 0 in location 12</span>
<span class="traceContains">+mem: storing 0 in location 13</span>
<span class="Delimiter">:(scenario shape_shifting_recipe_handles_shape_shifting_new_ingredient_2)</span>
recipe main [
<span class="Constant">1</span>:address:shared:foo:point<span class="Special"> <- </span>bar <span class="Constant">3</span>
<span class="Constant">11</span>:foo:point<span class="Special"> <- </span>copy *<span class="Constant">1</span>:address:shared:foo:point
]
recipe bar x:number <span class="Delimiter">-></span> result:address:shared:foo:_t [
local-scope
load-ingredients
<span class="Comment"># new refers to _t in its ingredient *value*</span>
result<span class="Special"> <- </span>new <span class="Delimiter">{(</span>foo _t<span class="Delimiter">)</span> : type<span class="Delimiter">}</span>
]
<span class="Comment"># container defined after use</span>
container foo:_t [
x:_t
y:number
]
<span class="traceContains">+mem: storing 0 in location 11</span>
<span class="traceContains">+mem: storing 0 in location 12</span>
<span class="traceContains">+mem: storing 0 in location 13</span>
<span class="Delimiter">:(scenario shape_shifting_recipe_supports_compound_types)</span>
recipe main [
<span class="Constant">1</span>:address:shared:point<span class="Special"> <- </span>new point:type
<span class="Constant">2</span>:address:number<span class="Special"> <- </span>get-address *<span class="Constant">1</span>:address:shared:point<span class="Delimiter">,</span> y:offset
*<span class="Constant">2</span>:address:number<span class="Special"> <- </span>copy <span class="Constant">34</span>
<span class="Constant">3</span>:address:shared:point<span class="Special"> <- </span>bar <span class="Constant">1</span>:address:shared:point <span class="Comment"># specialize _t to address:shared:point</span>
<span class="Constant">4</span>:point<span class="Special"> <- </span>copy *<span class="Constant">3</span>:address:shared:point
]
recipe bar a:_t <span class="Delimiter">-></span> result:_t [
local-scope
load-ingredients
result<span class="Special"> <- </span>copy a
]
<span class="traceContains">+mem: storing 34 in location 5</span>
<span class="Delimiter">:(scenario shape_shifting_recipe_error)</span>
<span class="Special">% Hide_errors = true;</span>
recipe main [
a:number<span class="Special"> <- </span>copy <span class="Constant">3</span>
b:address:shared:number<span class="Special"> <- </span>foo a
]
recipe foo a:_t <span class="Delimiter">-></span> b:_t [
load-ingredients
b<span class="Special"> <- </span>copy a
]
<span class="traceContains">+error: main: no call found for 'b:address:shared:number <- foo a'</span>
<span class="Delimiter">:(scenario specialize_inside_recipe_without_header)</span>
recipe main [
foo <span class="Constant">3</span>
]
recipe foo [
local-scope
x:number<span class="Special"> <- </span>next-ingredient <span class="Comment"># ensure no header</span>
<span class="Constant">1</span>:number/<span class="Special">raw <- </span>bar x <span class="Comment"># call a shape-shifting recipe</span>
]
recipe bar x:_elem <span class="Delimiter">-></span> y:_elem [
local-scope
load-ingredients
y<span class="Special"> <- </span>add x<span class="Delimiter">,</span> <span class="Constant">1</span>
]
<span class="traceContains">+mem: storing 4 in location 1</span>
<span class="Delimiter">:(scenario specialize_with_literal)</span>
recipe main [
local-scope
<span class="Comment"># permit literal to map to number</span>
<span class="Constant">1</span>:number/<span class="Special">raw <- </span>foo <span class="Constant">3</span>
]
recipe foo x:_elem <span class="Delimiter">-></span> y:_elem [
local-scope
load-ingredients
y<span class="Special"> <- </span>add x<span class="Delimiter">,</span> <span class="Constant">1</span>
]
<span class="traceContains">+mem: storing 4 in location 1</span>
<span class="Delimiter">:(scenario specialize_with_literal_2)</span>
recipe main [
local-scope
<span class="Comment"># permit literal to map to character</span>
<span class="Constant">1</span>:character/<span class="Special">raw <- </span>foo <span class="Constant">3</span>
]
recipe foo x:_elem <span class="Delimiter">-></span> y:_elem [
local-scope
load-ingredients
y<span class="Special"> <- </span>add x<span class="Delimiter">,</span> <span class="Constant">1</span>
]
<span class="traceContains">+mem: storing 4 in location 1</span>
<span class="Delimiter">:(scenario specialize_with_literal_3)</span>
<span class="Special">% Hide_errors = true;</span>
recipe main [
local-scope
<span class="Comment"># permit '0' to map to address to shape-shifting type-ingredient</span>
<span class="Constant">1</span>:address:shared:character/<span class="Special">raw <- </span>foo <span class="Constant">0</span>
]
recipe foo x:address:_elem <span class="Delimiter">-></span> y:address:_elem [
local-scope
load-ingredients
y<span class="Special"> <- </span>copy x
]
<span class="traceContains">+mem: storing 0 in location 1</span>
$error: <span class="Constant">0</span>
<span class="Delimiter">:(scenario specialize_with_literal_4)</span>
<span class="Special">% Hide_errors = true;</span>
recipe main [
local-scope
<span class="Comment"># ambiguous call: what's the type of its ingredient?!</span>
foo <span class="Constant">0</span>
]
recipe foo x:address:_elem <span class="Delimiter">-></span> y:address:_elem [
local-scope
load-ingredients
y<span class="Special"> <- </span>copy x
]
<span class="traceContains">+error: foo: failed to map a type to x</span>
<span class="traceContains">+error: foo: failed to map a type to y</span>
<span class="Delimiter">:(scenario specialize_with_literal_5)</span>
recipe main [
foo <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">4</span> <span class="Comment"># recipe mapping two variables to literals</span>
]
recipe foo x:_elem<span class="Delimiter">,</span> y:_elem [
local-scope
load-ingredients
<span class="Constant">1</span>:number/<span class="Special">raw <- </span>add x<span class="Delimiter">,</span> y
]
<span class="traceContains">+mem: storing 7 in location 1</span>
<span class="Delimiter">:(scenario multiple_shape_shifting_variants)</span>
<span class="Comment"># try to call two different shape-shifting recipes with the same name</span>
recipe main [
e1:d1:number<span class="Special"> <- </span>merge <span class="Constant">3</span>
e2:d2:number<span class="Special"> <- </span>merge <span class="Constant">4</span><span class="Delimiter">,</span> <span class="Constant">5</span>
<span class="Constant">1</span>:number/<span class="Special">raw <- </span>foo e1
<span class="Constant">2</span>:number/<span class="Special">raw <- </span>foo e2
]
<span class="Comment"># the two shape-shifting definitions</span>
recipe foo a:d1:_elem <span class="Delimiter">-></span> b:number [
local-scope
load-ingredients
reply <span class="Constant">34</span>
]
recipe foo a:d2:_elem <span class="Delimiter">-></span> b:number [
local-scope
load-ingredients
reply <span class="Constant">35</span>
]
<span class="Comment"># the shape-shifting containers they use</span>
container d1:_elem [
x:_elem
]
container d2:_elem [
x:number
y:_elem
]
<span class="traceContains">+mem: storing 34 in location 1</span>
<span class="traceContains">+mem: storing 35 in location 2</span>
<span class="Delimiter">:(scenario multiple_shape_shifting_variants_2)</span>
<span class="Comment"># static dispatch between shape-shifting variants, _including pointer lookups_</span>
recipe main [
e1:d1:number<span class="Special"> <- </span>merge <span class="Constant">3</span>
e2:address:shared:d2:number<span class="Special"> <- </span>new <span class="Delimiter">{(</span>d2 number<span class="Delimiter">)</span>: type<span class="Delimiter">}</span>
<span class="Constant">1</span>:number/<span class="Special">raw <- </span>foo e1
<span class="Constant">2</span>:number/<span class="Special">raw <- </span>foo *e2 <span class="Comment"># different from previous scenario</span>
]
recipe foo a:d1:_elem <span class="Delimiter">-></span> b:number [
local-scope
load-ingredients
reply <span class="Constant">34</span>
]
recipe foo a:d2:_elem <span class="Delimiter">-></span> b:number [
local-scope
load-ingredients
reply <span class="Constant">35</span>
]
container d1:_elem [
x:_elem
]
container d2:_elem [
x:number
y:_elem
]
<span class="traceContains">+mem: storing 34 in location 1</span>
<span class="traceContains">+mem: storing 35 in location 2</span>
<span class="Delimiter">:(scenario missing_type_in_shape_shifting_recipe)</span>
<span class="Special">% Hide_errors = true;</span>
recipe main [
a:d1:number<span class="Special"> <- </span>merge <span class="Constant">3</span>
foo a
]
recipe foo a:d1:_elem <span class="Delimiter">-></span> b:number [
local-scope
load-ingredients
copy e <span class="Comment"># no such variable</span>
reply <span class="Constant">34</span>
]
container d1:_elem [
x:_elem
]
<span class="traceContains">+error: foo: unknown type for e (check the name for typos)</span>
<span class="traceContains">+error: specializing foo: missing type for e</span>
<span class="Comment"># and it doesn't crash</span>
<span class="Delimiter">:(scenario missing_type_in_shape_shifting_recipe_2)</span>
<span class="Special">% Hide_errors = true;</span>
recipe main [
a:d1:number<span class="Special"> <- </span>merge <span class="Constant">3</span>
foo a
]
recipe foo a:d1:_elem <span class="Delimiter">-></span> b:number [
local-scope
load-ingredients
get e<span class="Delimiter">,</span> x:offset <span class="Comment"># unknown variable in a 'get', which does some extra checking</span>
reply <span class="Constant">34</span>
]
container d1:_elem [
x:_elem
]
<span class="traceContains">+error: foo: unknown type for e (check the name for typos)</span>
<span class="traceContains">+error: specializing foo: missing type for e</span>
<span class="Comment"># and it doesn't crash</span>
<span class="Delimiter">:(scenarios transform)</span>
<span class="Delimiter">:(scenario specialize_recursive_shape_shifting_recipe)</span>
recipe main [
<span class="Constant">1</span>:number<span class="Special"> <- </span>copy <span class="Constant">34</span>
<span class="Constant">2</span>:number<span class="Special"> <- </span>foo <span class="Constant">1</span>:number
]
recipe foo x:_elem <span class="Delimiter">-></span> y:number [
local-scope
load-ingredients
<span class="Delimiter">{</span>
<span class="Identifier">break</span>
y:number<span class="Special"> <- </span>foo x
<span class="Delimiter">}</span>
reply y
]
<span class="traceContains">+transform: new specialization: foo_2</span>
<span class="Comment"># transform terminates</span>
<span class="Delimiter">:(scenarios run)</span>
<span class="Delimiter">:(scenario specialize_most_similar_variant)</span>
recipe main [
<span class="Constant">1</span>:address:shared:number<span class="Special"> <- </span>new number:type
<span class="Constant">2</span>:number<span class="Special"> <- </span>foo <span class="Constant">1</span>:address:shared:number
]
recipe foo x:_elem <span class="Delimiter">-></span> y:number [
local-scope
load-ingredients
reply <span class="Constant">34</span>
]
recipe foo x:address:shared:_elem <span class="Delimiter">-></span> y:number [
local-scope
load-ingredients
reply <span class="Constant">35</span>
]
<span class="traceContains">+mem: storing 35 in location 2</span>
</pre>
</body>
</html>
<!-- vim: set foldmethod=manual : -->