246 lines
30 KiB
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246 lines
30 KiB
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<a href='https://github.com/akkartik/mu/blob/master/062convert_ingredients_to_text.cc'>https://github.com/akkartik/mu/blob/master/062convert_ingredients_to_text.cc</a>
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<pre id='vimCodeElement'>
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<span id="L1" class="LineNr"> 1 </span><span class="Comment">//: make some recipes more friendly by trying to auto-convert their ingredients to text</span>
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<span id="L2" class="LineNr"> 2 </span>
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<span id="L3" class="LineNr"> 3 </span><span class="Delimiter">:(scenarios transform)</span>
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<span id="L4" class="LineNr"> 4 </span><span class="Delimiter">:(scenario rewrite_stashes_to_text)</span>
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<span id="L5" class="LineNr"> 5 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
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<span id="L6" class="LineNr"> 6 </span> local-scope
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<span id="L7" class="LineNr"> 7 </span> <span class="Normal">n</span>:num<span class="Special"> <- </span>copy <span class="Constant">34</span>
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<span id="L8" class="LineNr"> 8 </span> stash n
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<span id="L9" class="LineNr"> 9 </span>]
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<span id="L10" class="LineNr"> 10 </span><span class="traceContains">+transform: {stash_2_0: ("address" "array" "character")} <- to-text-line {n: "number"}</span>
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<span id="L11" class="LineNr"> 11 </span><span class="traceContains">+transform: stash {stash_2_0: ("address" "array" "character")}</span>
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<span id="L12" class="LineNr"> 12 </span>
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<span id="L13" class="LineNr"> 13 </span><span class="Delimiter">:(scenario rewrite_traces_to_text)</span>
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<span id="L14" class="LineNr"> 14 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
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<span id="L15" class="LineNr"> 15 </span> local-scope
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<span id="L16" class="LineNr"> 16 </span> <span class="Normal">n</span>:num<span class="Special"> <- </span>copy <span class="Constant">34</span>
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<span id="L17" class="LineNr"> 17 </span> <a href='003trace.cc.html#L189'>trace</a> <span class="Constant">2</span><span class="Delimiter">,</span> [app]<span class="Delimiter">,</span> n
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<span id="L18" class="LineNr"> 18 </span>]
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<span id="L19" class="LineNr"> 19 </span><span class="traceContains">+transform: {trace_2_2: ("address" "array" "character")} <- to-text-line {n: "number"}</span>
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<span id="L20" class="LineNr"> 20 </span><span class="traceContains">+transform: <a href='003trace.cc.html#L189'>trace</a> {2: "literal"}, {"app": "literal-string"}, {trace_2_2: ("address" "array" "character")}</span>
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<span id="L21" class="LineNr"> 21 </span>
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<span id="L22" class="LineNr"> 22 </span><span class="Comment">//: special case: rewrite attempts to stash contents of most arrays to avoid</span>
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<span id="L23" class="LineNr"> 23 </span><span class="Comment">//: passing addresses around</span>
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<span id="L24" class="LineNr"> 24 </span>
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<span id="L25" class="LineNr"> 25 </span><span class="Delimiter">:(scenario rewrite_stashes_of_arrays)</span>
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<span id="L26" class="LineNr"> 26 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
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<span id="L27" class="LineNr"> 27 </span> local-scope
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<span id="L28" class="LineNr"> 28 </span> <span class="Normal">n</span>:&:@:num<span class="Special"> <- </span><span class="Normal">new</span> <span class="Constant">number:type</span><span class="Delimiter">,</span> <span class="Constant">3</span>
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<span id="L29" class="LineNr"> 29 </span> stash *n
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<span id="L30" class="LineNr"> 30 </span>]
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<span id="L31" class="LineNr"> 31 </span><span class="traceContains">+transform: {stash_2_0: ("address" "array" "character")} <- array-to-text-line {n: ("address" "array" "number")}</span>
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<span id="L32" class="LineNr"> 32 </span><span class="traceContains">+transform: stash {stash_2_0: ("address" "array" "character")}</span>
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<span id="L33" class="LineNr"> 33 </span>
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<span id="L34" class="LineNr"> 34 </span><span class="Delimiter">:(scenario ignore_stashes_of_static_arrays)</span>
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<span id="L35" class="LineNr"> 35 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
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<span id="L36" class="LineNr"> 36 </span> local-scope
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<span id="L37" class="LineNr"> 37 </span> <span class="Normal">n</span>:@:num:<span class="Constant">3</span><span class="Special"> <- </span>create-array
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<span id="L38" class="LineNr"> 38 </span> stash n
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<span id="L39" class="LineNr"> 39 </span>]
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<span id="L40" class="LineNr"> 40 </span><span class="traceContains">+transform: stash {n: ("array" "number" "3")}</span>
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<span id="L41" class="LineNr"> 41 </span>
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<span id="L42" class="LineNr"> 42 </span><span class="Delimiter">:(scenario rewrite_stashes_of_recipe_header_products)</span>
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<span id="L43" class="LineNr"> 43 </span><span class="muData">container</span> foo [
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<span id="L44" class="LineNr"> 44 </span> <span class="Normal">x</span>:num
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<span id="L45" class="LineNr"> 45 </span>]
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<span id="L46" class="LineNr"> 46 </span><span class="muRecipe">def</span> bar<span class="muRecipe"> -> </span>x:foo [
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<span id="L47" class="LineNr"> 47 </span> local-scope
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<span id="L48" class="LineNr"> 48 </span> load-ingredients
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<span id="L49" class="LineNr"> 49 </span> x<span class="Special"> <- </span>merge <span class="Constant">34</span>
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<span id="L50" class="LineNr"> 50 </span> stash x
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<span id="L51" class="LineNr"> 51 </span>]
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<span id="L52" class="LineNr"> 52 </span><span class="traceContains">+transform: stash {stash_2_0: ("address" "array" "character")}</span>
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<span id="L53" class="LineNr"> 53 </span>
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<span id="L54" class="LineNr"> 54 </span><span class="Comment">//: misplaced; should be in instruction inserting/deleting transforms, but has</span>
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<span id="L55" class="LineNr"> 55 </span><span class="Comment">//: prerequisites: deduce_types_from_header and check_or_set_types_by_name</span>
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<span id="L56" class="LineNr"> 56 </span><span class="Delimiter">:(after "Transform.push_back(deduce_types_from_header)")</span>
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<span id="L57" class="LineNr"> 57 </span><span class="Special">Transform</span><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>convert_ingredients_to_text<span class="Delimiter">);</span> <span class="Comment">// idempotent</span>
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<span id="L58" class="LineNr"> 58 </span>
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<span id="L59" class="LineNr"> 59 </span><span class="Delimiter">:(code)</span>
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<span id="L60" class="LineNr"> 60 </span><span class="Normal">void</span> convert_ingredients_to_text<span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
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<span id="L61" class="LineNr"> 61 </span> recipe& caller = get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">);</span>
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<span id="L62" class="LineNr"> 62 </span> <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"--- convert some ingredients to text in <a href='010vm.cc.html#L19'>recipe</a> "</span> << caller<span class="Delimiter">.</span>name << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
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<span id="L63" class="LineNr"> 63 </span> <span class="Comment">// in recipes without named locations, 'stash' is still not extensible</span>
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<span id="L64" class="LineNr"> 64 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='060rewrite_literal_string.cc.html#L65'>contains_numeric_locations</a><span class="Delimiter">(</span>caller<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
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<span id="L65" class="LineNr"> 65 </span> convert_ingredients_to_text<span class="Delimiter">(</span>caller<span class="Delimiter">);</span>
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<span id="L66" class="LineNr"> 66 </span><span class="Delimiter">}</span>
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<span id="L67" class="LineNr"> 67 </span>
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<span id="L68" class="LineNr"> 68 </span><span class="Normal">void</span> convert_ingredients_to_text<span class="Delimiter">(</span>recipe& caller<span class="Delimiter">)</span> <span class="Delimiter">{</span>
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<span id="L69" class="LineNr"> 69 </span> vector<instruction> new_instructions<span class="Delimiter">;</span>
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<span id="L70" class="LineNr"> 70 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
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<span id="L71" class="LineNr"> 71 </span> instruction& inst = caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
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<span id="L72" class="LineNr"> 72 </span> <span class="Comment">// all these cases are getting hairy. how can we make this extensible?</span>
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<span id="L73" class="LineNr"> 73 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">"stash"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
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<span id="L74" class="LineNr"> 74 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span> j < <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
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<span id="L75" class="LineNr"> 75 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='014literal_string.cc.html#L126'>is_literal_text</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
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<span id="L76" class="LineNr"> 76 </span> ostringstream ingredient_name<span class="Delimiter">;</span>
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<span id="L77" class="LineNr"> 77 </span> ingredient_name << <span class="Constant">"stash_"</span> << i << <span class="Constant">'_'</span> << j << <span class="Constant">":<a href='043space.cc.html#L101'>address</a>:array:character"</span><span class="Delimiter">;</span>
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<span id="L78" class="LineNr"> 78 </span> convert_ingredient_to_text<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">),</span> new_instructions<span class="Delimiter">,</span> ingredient_name<span class="Delimiter">.</span>str<span class="Delimiter">());</span>
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<span id="L79" class="LineNr"> 79 </span> <span class="Delimiter">}</span>
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<span id="L80" class="LineNr"> 80 </span> <span class="Delimiter">}</span>
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<span id="L81" class="LineNr"> 81 </span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">"trace"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
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<span id="L82" class="LineNr"> 82 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Comment">/*</span><span class="Comment">skip</span><span class="Comment">*/</span><span class="Constant">2</span><span class="Delimiter">;</span> j < <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
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<span id="L83" class="LineNr"> 83 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='014literal_string.cc.html#L126'>is_literal_text</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
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<span id="L84" class="LineNr"> 84 </span> ostringstream ingredient_name<span class="Delimiter">;</span>
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<span id="L85" class="LineNr"> 85 </span> ingredient_name << <span class="Constant">"trace_"</span> << i << <span class="Constant">'_'</span> << j << <span class="Constant">":<a href='043space.cc.html#L101'>address</a>:array:character"</span><span class="Delimiter">;</span>
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<span id="L86" class="LineNr"> 86 </span> convert_ingredient_to_text<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">),</span> new_instructions<span class="Delimiter">,</span> ingredient_name<span class="Delimiter">.</span>str<span class="Delimiter">());</span>
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<span id="L87" class="LineNr"> 87 </span> <span class="Delimiter">}</span>
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<span id="L88" class="LineNr"> 88 </span> <span class="Delimiter">}</span>
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<span id="L89" class="LineNr"> 89 </span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name_before_rewrite == <span class="Constant">"append"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
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<span id="L90" class="LineNr"> 90 </span> <span class="Comment">// override only variants that try to append to a string</span>
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<span id="L91" class="LineNr"> 91 </span> <span class="Comment">// Beware: this hack restricts how much 'append' can be overridden. Any</span>
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<span id="L92" class="LineNr"> 92 </span> <span class="Comment">// new variants that match:</span>
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<span id="L93" class="LineNr"> 93 </span> <span class="Comment">// append _:text, ___</span>
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<span id="L94" class="LineNr"> 94 </span> <span class="Comment">// will never ever get used.</span>
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<span id="L95" class="LineNr"> 95 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='014literal_string.cc.html#L126'>is_literal_text</a><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> || <a href='027call_ingredient.cc.html#L179'>is_mu_text</a><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> <span class="Delimiter">{</span>
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<span id="L96" class="LineNr"> 96 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Comment">/*</span><span class="Comment">skip base</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span> j < <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
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<span id="L97" class="LineNr"> 97 </span> ostringstream ingredient_name<span class="Delimiter">;</span>
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<span id="L98" class="LineNr"> 98 </span> ingredient_name << <span class="Constant">"append_"</span> << i << <span class="Constant">'_'</span> << j << <span class="Constant">":<a href='043space.cc.html#L101'>address</a>:array:character"</span><span class="Delimiter">;</span>
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<span id="L99" class="LineNr"> 99 </span> convert_ingredient_to_text<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">),</span> new_instructions<span class="Delimiter">,</span> ingredient_name<span class="Delimiter">.</span>str<span class="Delimiter">());</span>
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<span id="L100" class="LineNr">100 </span> <span class="Delimiter">}</span>
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<span id="L101" class="LineNr">101 </span> <span class="Delimiter">}</span>
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<span id="L102" class="LineNr">102 </span> <span class="Delimiter">}</span>
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<span id="L103" class="LineNr">103 </span> <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
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<span id="L104" class="LineNr">104 </span> new_instructions<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>inst<span class="Delimiter">);</span>
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<span id="L105" class="LineNr">105 </span> <span class="Delimiter">}</span>
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<span id="L106" class="LineNr">106 </span> caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>swap<span class="Delimiter">(</span>new_instructions<span class="Delimiter">);</span>
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<span id="L107" class="LineNr">107 </span><span class="Delimiter">}</span>
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<span id="L108" class="LineNr">108 </span>
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<span id="L109" class="LineNr">109 </span><span class="Comment">// add an instruction to convert reagent 'r' to text in list 'out', then</span>
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<span id="L110" class="LineNr">110 </span><span class="Comment">// replace r with converted text</span>
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<span id="L111" class="LineNr">111 </span><span class="Normal">void</span> convert_ingredient_to_text<span class="Delimiter">(</span>reagent& r<span class="Delimiter">,</span> vector<instruction>& out<span class="Delimiter">,</span> <span class="Normal">const</span> string& tmp_var<span class="Delimiter">)</span> <span class="Delimiter">{</span>
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<span id="L112" class="LineNr">112 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!r<span class="Delimiter">.</span>type<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// error; will be handled elsewhere</span>
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<span id="L113" class="LineNr">113 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='027call_ingredient.cc.html#L179'>is_mu_text</a><span class="Delimiter">(</span>r<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
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<span id="L114" class="LineNr">114 </span> <span class="Comment">// don't try to extend static arrays</span>
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<span id="L115" class="LineNr">115 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_static_array<span class="Delimiter">(</span>r<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
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<span id="L116" class="LineNr">116 </span> <a href='010vm.cc.html#L33'>instruction</a> def<span class="Delimiter">;</span>
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<span id="L117" class="LineNr">117 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_lookup_of_address_of_array<span class="Delimiter">(</span>r<span class="Delimiter">))</span> <span class="Delimiter">{</span>
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<span id="L118" class="LineNr">118 </span> def<span class="Delimiter">.</span>name = <span class="Constant">"array-to-text-line"</span><span class="Delimiter">;</span>
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<span id="L119" class="LineNr">119 </span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> tmp = r<span class="Delimiter">;</span>
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<span id="L120" class="LineNr">120 </span> drop_one_lookup<span class="Delimiter">(</span>tmp<span class="Delimiter">);</span>
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<span id="L121" class="LineNr">121 </span> def<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>tmp<span class="Delimiter">);</span>
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<span id="L122" class="LineNr">122 </span> <span class="Delimiter">}</span>
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<span id="L123" class="LineNr">123 </span> <span class="Normal">else</span> <span class="Delimiter">{</span>
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<span id="L124" class="LineNr">124 </span> def<span class="Delimiter">.</span>name = <span class="Constant">"to-text-line"</span><span class="Delimiter">;</span>
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<span id="L125" class="LineNr">125 </span> def<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>r<span class="Delimiter">);</span>
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<span id="L126" class="LineNr">126 </span> <span class="Delimiter">}</span>
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<span id="L127" class="LineNr">127 </span> def<span class="Delimiter">.</span>products<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>reagent<span class="Delimiter">(</span>tmp_var<span class="Delimiter">));</span>
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<span id="L128" class="LineNr">128 </span> <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>def<span class="Delimiter">)</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
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<span id="L129" class="LineNr">129 </span> out<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>def<span class="Delimiter">);</span>
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<span id="L130" class="LineNr">130 </span> r<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span> <span class="Comment">// reclaim old memory</span>
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<span id="L131" class="LineNr">131 </span> r = reagent<span class="Delimiter">(</span>tmp_var<span class="Delimiter">);</span>
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<span id="L132" class="LineNr">132 </span><span class="Delimiter">}</span>
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<span id="L133" class="LineNr">133 </span>
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<span id="L134" class="LineNr">134 </span><span class="Normal">bool</span> is_lookup_of_address_of_array<span class="Delimiter">(</span>reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
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<span id="L135" class="LineNr">135 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>atom<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span>
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<span id="L136" class="LineNr">136 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>left<span class="Delimiter">-></span>name != <span class="Constant">"address"</span><span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span>
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<span id="L137" class="LineNr">137 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>x<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span>
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<span id="L138" class="LineNr">138 </span> <span class="Identifier">return</span> is_mu_array<span class="Delimiter">(</span>x<span class="Delimiter">);</span>
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<span id="L139" class="LineNr">139 </span><span class="Delimiter">}</span>
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<span id="L140" class="LineNr">140 </span>
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<span id="L141" class="LineNr">141 </span><span class="Normal">bool</span> is_static_array<span class="Delimiter">(</span><span class="Normal">const</span> reagent& x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
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<span id="L142" class="LineNr">142 </span> <span class="Comment">// no canonize_type()</span>
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<span id="L143" class="LineNr">143 </span> <span class="Identifier">return</span> !x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>atom && x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>left<span class="Delimiter">-></span>atom && x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>left<span class="Delimiter">-></span>name == <span class="Constant">"array"</span><span class="Delimiter">;</span>
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<span id="L144" class="LineNr">144 </span><span class="Delimiter">}</span>
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<span id="L145" class="LineNr">145 </span>
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<span id="L146" class="LineNr">146 </span><span class="Comment">//: Supporting 'append' above requires remembering what name an instruction</span>
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<span id="L147" class="LineNr">147 </span><span class="Comment">//: had before any rewrites or transforms.</span>
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<span id="L148" class="LineNr">148 </span><span class="Delimiter">:(before "End <a href='010vm.cc.html#L33'>instruction</a> Fields")</span>
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<span id="L149" class="LineNr">149 </span>string name_before_rewrite<span class="Delimiter">;</span>
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<span id="L150" class="LineNr">150 </span><span class="Delimiter">:(before "End <a href='010vm.cc.html#L33'>instruction</a> Clear")</span>
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<span id="L151" class="LineNr">151 </span>name_before_rewrite<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
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<span id="L152" class="LineNr">152 </span><span class="Delimiter">:(before "End next_instruction(curr)")</span>
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<span id="L153" class="LineNr">153 </span>curr<span class="Delimiter">-></span>name_before_rewrite = curr<span class="Delimiter">-></span>name<span class="Delimiter">;</span>
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<span id="L154" class="LineNr">154 </span>
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<span id="L155" class="LineNr">155 </span><span class="Delimiter">:(scenarios run)</span>
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<span id="L156" class="LineNr">156 </span><span class="Delimiter">:(scenario append_other_types_to_text)</span>
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<span id="L157" class="LineNr">157 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
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<span id="L158" class="LineNr">158 </span> local-scope
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<span id="L159" class="LineNr">159 </span> <span class="Normal">n</span>:num<span class="Special"> <- </span>copy <span class="Constant">11</span>
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<span id="L160" class="LineNr">160 </span> <span class="Normal">c</span>:<span class="Normal">char</span><span class="Special"> <- </span>copy <span class="Constant">111</span>/o
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<span id="L161" class="LineNr">161 </span> <span class="Normal">a</span>:text<span class="Special"> <- </span>append [abc]<span class="Delimiter">,</span> <span class="Constant">10</span><span class="Delimiter">,</span> n<span class="Delimiter">,</span> c
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<span id="L162" class="LineNr">162 </span> <span class="Normal">expected</span>:text<span class="Special"> <- </span><span class="Normal">new</span> [abc1011o]
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<span id="L163" class="LineNr">163 </span> <span class="Constant">10</span>:<span class="Normal">bool</span>/<span class="Special">raw <- </span>equal a<span class="Delimiter">,</span> expected
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<span id="L164" class="LineNr">164 </span>]
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<span id="L165" class="LineNr">165 </span>
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<span id="L166" class="LineNr">166 </span><span class="Comment">//: Make sure that the new system is strictly better than just the 'stash'</span>
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<span id="L167" class="LineNr">167 </span><span class="Comment">//: primitive by itself.</span>
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<span id="L168" class="LineNr">168 </span>
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<span id="L169" class="LineNr">169 </span><span class="Delimiter">:(scenario rewrite_stash_continues_to_fall_back_to_default_implementation)</span>
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<span id="L170" class="LineNr">170 </span><span class="Comment"># type without a to-text implementation</span>
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<span id="L171" class="LineNr">171 </span><span class="muData">container</span> foo [
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<span id="L172" class="LineNr">172 </span> <span class="Normal">x</span>:num
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<span id="L173" class="LineNr">173 </span> <span class="Normal">y</span>:num
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<span id="L174" class="LineNr">174 </span>]
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<span id="L175" class="LineNr">175 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
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<span id="L176" class="LineNr">176 </span> local-scope
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<span id="L177" class="LineNr">177 </span> <span class="Normal">x</span>:foo<span class="Special"> <- </span>merge <span class="Constant">34</span><span class="Delimiter">,</span> <span class="Constant">35</span>
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<span id="L178" class="LineNr">178 </span> stash x
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<span id="L179" class="LineNr">179 </span>]
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<span id="L180" class="LineNr">180 </span><span class="traceContains">+app: 34 35</span>
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</pre>
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</body>
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</html>
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