diff options
| author | Kartik Agaram <vc@akkartik.com> | 2018-05-12 23:08:39 -0700 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2018-05-12 23:08:39 -0700 |
| commit | 059def11cb8c53d85f7eed2af98a0bca0120a9cc (patch) | |
| tree | c24e543185fc9d054ad9c46a4f1d3a0021acf62f /html/057immutable.cc.html | |
| parent | 1fb0cf9ef9e616163039fd4df6584c6c2ba68d23 (diff) | |
| download | mu-059def11cb8c53d85f7eed2af98a0bca0120a9cc.tar.gz | |
4244
Diffstat (limited to 'html/057immutable.cc.html')
| -rw-r--r-- | html/057immutable.cc.html | 390 |
1 files changed, 208 insertions, 182 deletions
diff --git a/html/057immutable.cc.html b/html/057immutable.cc.html index 9fe98f1e..f0ea4e20 100644 --- a/html/057immutable.cc.html +++ b/html/057immutable.cc.html @@ -411,13 +411,13 @@ if ('onhashchange' in window) { <span id="L348" class="LineNr">348 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!caller<span class="Delimiter">.</span>has_header<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// skip check for old-style recipes calling next-ingredient directly</span> <span id="L349" class="LineNr">349 </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>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L350" class="LineNr">350 </span> <span class="Normal">const</span> reagent& current_ingredient = caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> -<span id="L351" class="LineNr">351 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='057immutable.cc.html#L496'>is_present_in_products</a><span class="Delimiter">(</span>caller<span class="Delimiter">,</span> current_ingredient<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span class="Comment">// not expected to be immutable</span> +<span id="L351" class="LineNr">351 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='057immutable.cc.html#L522'>is_present_in_products</a><span class="Delimiter">(</span>caller<span class="Delimiter">,</span> current_ingredient<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span class="Comment">// not expected to be immutable</span> <span id="L352" class="LineNr">352 </span> <span class="Comment">// End Immutable Ingredients Special-cases</span> <span id="L353" class="LineNr">353 </span> set<reagent> immutable_vars<span class="Delimiter">;</span> <span id="L354" class="LineNr">354 </span> immutable_vars<span class="Delimiter">.</span>insert<span class="Delimiter">(</span>current_ingredient<span class="Delimiter">);</span> <span id="L355" class="LineNr">355 </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> <span id="L356" class="LineNr">356 </span> <span class="Normal">const</span> instruction& inst = caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> -<span id="L357" class="LineNr">357 </span> <a href='057immutable.cc.html#L438'>check_immutable_ingredient_in_instruction</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> immutable_vars<span class="Delimiter">,</span> current_ingredient<span class="Delimiter">.</span>name<span class="Delimiter">,</span> caller<span class="Delimiter">);</span> +<span id="L357" class="LineNr">357 </span> <a href='057immutable.cc.html#L464'>check_immutable_ingredient_in_instruction</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> immutable_vars<span class="Delimiter">,</span> current_ingredient<span class="Delimiter">.</span>name<span class="Delimiter">,</span> caller<span class="Delimiter">);</span> <span id="L358" class="LineNr">358 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation == INDEX && <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> > <span class="Constant">1</span> && inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>name == current_ingredient<span class="Delimiter">.</span>name<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span id="L359" class="LineNr">359 </span> <a href='057immutable.cc.html#L364'>update_aliases</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> immutable_vars<span class="Delimiter">);</span> <span id="L360" class="LineNr">360 </span> <span class="Delimiter">}</span> @@ -425,7 +425,7 @@ if ('onhashchange' in window) { <span id="L362" class="LineNr">362 </span><span class="Delimiter">}</span> <span id="L363" class="LineNr">363 </span> <span id="L364" class="LineNr">364 </span><span class="Normal">void</span> <a href='057immutable.cc.html#L364'>update_aliases</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction& inst<span class="Delimiter">,</span> set<reagent>& current_ingredient_and_aliases<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L365" class="LineNr">365 </span> set<<span class="Normal">int</span>> current_ingredient_indices = <a href='057immutable.cc.html#L504'>ingredient_indices</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> current_ingredient_and_aliases<span class="Delimiter">);</span> +<span id="L365" class="LineNr">365 </span> set<<span class="Normal">int</span>> current_ingredient_indices = <a href='057immutable.cc.html#L530'>ingredient_indices</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> current_ingredient_and_aliases<span class="Delimiter">);</span> <span id="L366" class="LineNr">366 </span> <span class="Normal">if</span> <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> <span class="Delimiter">{</span> <span id="L367" class="LineNr">367 </span> <span class="Comment">// primitive recipe</span> <span id="L368" class="LineNr">368 </span> <span class="Normal">switch</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation<span class="Delimiter">)</span> <span class="Delimiter">{</span> @@ -455,10 +455,10 @@ if ('onhashchange' in window) { <span id="L392" class="LineNr">392 </span> <span class="Delimiter">}</span> <span id="L393" class="LineNr">393 </span><span class="Delimiter">}</span> <span id="L394" class="LineNr">394 </span> -<span id="L395" class="LineNr">395 </span>set<<span class="Normal">int</span>> <a href='057immutable.cc.html#L395'>scan_contained_in_product_indices</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction& inst<span class="Delimiter">,</span> set<<span class="Normal">int</span>>& <a href='057immutable.cc.html#L504'>ingredient_indices</a><span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L395" class="LineNr">395 </span>set<<span class="Normal">int</span>> <a href='057immutable.cc.html#L395'>scan_contained_in_product_indices</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction& inst<span class="Delimiter">,</span> set<<span class="Normal">int</span>>& <a href='057immutable.cc.html#L530'>ingredient_indices</a><span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L396" class="LineNr">396 </span> set<reagent> selected_ingredients<span class="Delimiter">;</span> <span id="L397" class="LineNr">397 </span> <span class="Normal">const</span> recipe& callee = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>operation<span class="Delimiter">);</span> -<span id="L398" class="LineNr">398 </span> <span class="Normal">for</span> <span class="Delimiter">(</span>set<<span class="Normal">int</span>>::iterator p = <a href='057immutable.cc.html#L504'>ingredient_indices</a><span class="Delimiter">.</span>begin<span class="Delimiter">();</span> p != <a href='057immutable.cc.html#L504'>ingredient_indices</a><span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span> ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L398" class="LineNr">398 </span> <span class="Normal">for</span> <span class="Delimiter">(</span>set<<span class="Normal">int</span>>::iterator p = <a href='057immutable.cc.html#L530'>ingredient_indices</a><span class="Delimiter">.</span>begin<span class="Delimiter">();</span> p != <a href='057immutable.cc.html#L530'>ingredient_indices</a><span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span> ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L399" class="LineNr">399 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>*p >= <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>callee<span class="Delimiter">.</span>ingredients<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span class="Comment">// optional immutable ingredient</span> <span id="L400" class="LineNr">400 </span> selected_ingredients<span class="Delimiter">.</span>insert<span class="Delimiter">(</span>callee<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>*p<span class="Delimiter">));</span> <span id="L401" class="LineNr">401 </span> <span class="Delimiter">}</span> @@ -472,183 +472,209 @@ if ('onhashchange' in window) { <span id="L409" class="LineNr">409 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span> <span id="L410" class="LineNr">410 </span><span class="Delimiter">}</span> <span id="L411" class="LineNr">411 </span> -<span id="L412" class="LineNr">412 </span><span class="Delimiter">:(scenarios transform)</span> -<span id="L413" class="LineNr">413 </span><span class="Delimiter">:(scenario immutability_infects_contained_in_variables)</span> -<span id="L414" class="LineNr">414 </span><span class="Special">% Hide_errors = true;</span> -<span id="L415" class="LineNr">415 </span><span class="muData">container</span> test-list [ -<span id="L416" class="LineNr">416 </span> <span class="Normal">value</span>:num -<span id="L417" class="LineNr">417 </span> <span class="Normal">next</span>:&:test-list -<span id="L418" class="LineNr">418 </span>] -<span id="L419" class="LineNr">419 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [ -<span id="L420" class="LineNr">420 </span> local-scope -<span id="L421" class="LineNr">421 </span> <span class="Normal">p</span>:&:test-list<span class="Special"> <- </span><span class="Normal">new</span> <span class="Constant">test-list:type</span> -<span id="L422" class="LineNr">422 </span> foo p -<span id="L423" class="LineNr">423 </span>] -<span id="L424" class="LineNr">424 </span><span class="muRecipe">def</span> foo p:&:test-list [ <span class="Comment"># p is immutable</span> -<span id="L425" class="LineNr">425 </span> local-scope -<span id="L426" class="LineNr">426 </span> load-ingredients -<span id="L427" class="LineNr">427 </span> <span class="Normal">p2</span>:&:test-list<span class="Special"> <- </span>test-next p <span class="Comment"># p2 is immutable</span> -<span id="L428" class="LineNr">428 </span> *p2<span class="Special"> <- </span><a href='001help.cc.html#L221'>put</a> *p2<span class="Delimiter">,</span> <span class="Constant">value:offset</span><span class="Delimiter">,</span> <span class="Constant">34</span> -<span id="L429" class="LineNr">429 </span>] -<span id="L430" class="LineNr">430 </span><span class="muRecipe">def</span> test-next x:&:test-list<span class="muRecipe"> -> </span>y:&:test-list/contained-in:x [ -<span id="L431" class="LineNr">431 </span> local-scope -<span id="L432" class="LineNr">432 </span> load-ingredients -<span id="L433" class="LineNr">433 </span> y<span class="Special"> <- </span>get *x<span class="Delimiter">,</span> <span class="Constant">next:offset</span> -<span id="L434" class="LineNr">434 </span>] -<span id="L435" class="LineNr">435 </span><span class="traceContains">+error: foo: cannot modify 'p2' in <a href='010vm.cc.html#L32'>instruction</a> '*p2 <- put *p2, value:offset, 34' because that would modify p which is an ingredient of <a href='010vm.cc.html#L19'>recipe</a> foo but not also a product</span> -<span id="L436" class="LineNr">436 </span> -<span id="L437" class="LineNr">437 </span><span class="Delimiter">:(code)</span> -<span id="L438" class="LineNr">438 </span><span class="Normal">void</span> <a href='057immutable.cc.html#L438'>check_immutable_ingredient_in_instruction</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction& inst<span class="Delimiter">,</span> <span class="Normal">const</span> set<reagent>& current_ingredient_and_aliases<span class="Delimiter">,</span> <span class="Normal">const</span> string& original_ingredient_name<span class="Delimiter">,</span> <span class="Normal">const</span> recipe& caller<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L439" class="LineNr">439 </span> <span class="Comment">// first check if the instruction is directly modifying something it shouldn't</span> -<span id="L440" class="LineNr">440 </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>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L441" class="LineNr">441 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_property<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="Constant">"lookup"</span><span class="Delimiter">)</span> -<span id="L442" class="LineNr">442 </span> && current_ingredient_and_aliases<span class="Delimiter">.</span>find<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> != current_ingredient_and_aliases<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">())</span> <span class="Delimiter">{</span> -<span id="L443" class="LineNr">443 </span> string current_product_name = inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">;</span> -<span id="L444" class="LineNr">444 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>current_product_name == original_ingredient_name<span class="Delimiter">)</span> -<span id="L445" class="LineNr">445 </span> <a href='003trace.cc.html#L174'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"cannot modify '"</span> << current_product_name << <span class="Constant">"' in <a href='010vm.cc.html#L32'>instruction</a> '"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"' because it's an ingredient of recipe "</span> << caller<span class="Delimiter">.</span>name << <span class="Constant">" but not also a product</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> -<span id="L446" class="LineNr">446 </span> <span class="Normal">else</span> -<span id="L447" class="LineNr">447 </span> <a href='003trace.cc.html#L174'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"cannot modify '"</span> << current_product_name << <span class="Constant">"' in <a href='010vm.cc.html#L32'>instruction</a> '"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"' because that would modify "</span> << original_ingredient_name << <span class="Constant">" which is an ingredient of <a href='010vm.cc.html#L19'>recipe</a> "</span> << caller<span class="Delimiter">.</span>name << <span class="Constant">" but not also a product</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span> -<span id="L448" class="LineNr">448 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> -<span id="L449" class="LineNr">449 </span> <span class="Delimiter">}</span> -<span id="L450" class="LineNr">450 </span> <span class="Delimiter">}</span> -<span id="L451" class="LineNr">451 </span> <span class="Comment">// check if there's any indirect modification going on</span> -<span id="L452" class="LineNr">452 </span> set<<span class="Normal">int</span>> current_ingredient_indices = <a href='057immutable.cc.html#L504'>ingredient_indices</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> current_ingredient_and_aliases<span class="Delimiter">);</span> -<span id="L453" class="LineNr">453 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>current_ingredient_indices<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// ingredient not found in call</span> -<span id="L454" class="LineNr">454 </span> <span class="Normal">for</span> <span class="Delimiter">(</span>set<<span class="Normal">int</span>>::iterator p = current_ingredient_indices<span class="Delimiter">.</span>begin<span class="Delimiter">();</span> p != current_ingredient_indices<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span> ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L455" class="LineNr">455 </span> <span class="Normal">const</span> <span class="Normal">int</span> current_ingredient_index = *p<span class="Delimiter">;</span> -<span id="L456" class="LineNr">456 </span> reagent current_ingredient = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>current_ingredient_index<span class="Delimiter">);</span> -<span id="L457" class="LineNr">457 </span> canonize_type<span class="Delimiter">(</span>current_ingredient<span class="Delimiter">);</span> -<span id="L458" class="LineNr">458 </span> <span class="Normal">const</span> string& current_ingredient_name = current_ingredient<span class="Delimiter">.</span>name<span class="Delimiter">;</span> -<span id="L459" class="LineNr">459 </span> <span class="Normal">if</span> <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> <span class="Delimiter">{</span> -<span id="L460" class="LineNr">460 </span> <span class="Comment">// primitive recipe</span> -<span id="L461" class="LineNr">461 </span> <span class="Comment">// we got here only because we got an instruction with an implicit product, and the instruction didn't explicitly spell it out</span> -<span id="L462" class="LineNr">462 </span> <span class="Comment">// put x, y:offset, z</span> -<span id="L463" class="LineNr">463 </span> <span class="Comment">// instead of</span> -<span id="L464" class="LineNr">464 </span> <span class="Comment">// x <- put x, y:offset, z</span> -<span id="L465" class="LineNr">465 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation == PUT || inst<span class="Delimiter">.</span>operation == PUT_INDEX<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L466" class="LineNr">466 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>current_ingredient_index == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L467" class="LineNr">467 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>current_ingredient_name == original_ingredient_name<span class="Delimiter">)</span> -<span id="L468" class="LineNr">468 </span> <a href='003trace.cc.html#L174'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"cannot modify '"</span> << current_ingredient_name << <span class="Constant">"' in <a href='010vm.cc.html#L32'>instruction</a> '"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"' because it's an ingredient of recipe "</span> << caller<span class="Delimiter">.</span>name << <span class="Constant">" but not also a product</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> -<span id="L469" class="LineNr">469 </span> <span class="Normal">else</span> -<span id="L470" class="LineNr">470 </span> <a href='003trace.cc.html#L174'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"cannot modify '"</span> << current_ingredient_name << <span class="Constant">"' in <a href='010vm.cc.html#L32'>instruction</a> '"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"' because that would modify '"</span> << original_ingredient_name << <span class="Constant">"' which is an ingredient of <a href='010vm.cc.html#L19'>recipe</a> "</span> << caller<span class="Delimiter">.</span>name << <span class="Constant">" but not also a product</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span> -<span id="L471" class="LineNr">471 </span> <span class="Delimiter">}</span> -<span id="L472" class="LineNr">472 </span> <span class="Delimiter">}</span> -<span id="L473" class="LineNr">473 </span> <span class="Delimiter">}</span> -<span id="L474" class="LineNr">474 </span> <span class="Normal">else</span> <span class="Delimiter">{</span> -<span id="L475" class="LineNr">475 </span> <span class="Comment">// defined recipe</span> -<span id="L476" class="LineNr">476 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='057immutable.cc.html#L486'>is_modified_in_recipe</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation<span class="Delimiter">,</span> current_ingredient_index<span class="Delimiter">,</span> caller<span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L477" class="LineNr">477 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>current_ingredient_name == original_ingredient_name<span class="Delimiter">)</span> -<span id="L478" class="LineNr">478 </span> <a href='003trace.cc.html#L174'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"cannot modify '"</span> << current_ingredient_name << <span class="Constant">"' in <a href='010vm.cc.html#L32'>instruction</a> '"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"' because it's an ingredient of recipe "</span> << caller<span class="Delimiter">.</span>name << <span class="Constant">" but not also a product</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> -<span id="L479" class="LineNr">479 </span> <span class="Normal">else</span> -<span id="L480" class="LineNr">480 </span> <a href='003trace.cc.html#L174'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"cannot modify '"</span> << current_ingredient_name << <span class="Constant">"' in <a href='010vm.cc.html#L32'>instruction</a> '"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"' because that would modify '"</span> << original_ingredient_name << <span class="Constant">"' which is an ingredient of <a href='010vm.cc.html#L19'>recipe</a> "</span> << caller<span class="Delimiter">.</span>name << <span class="Constant">" but not also a product</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span> -<span id="L481" class="LineNr">481 </span> <span class="Delimiter">}</span> -<span id="L482" class="LineNr">482 </span> <span class="Delimiter">}</span> -<span id="L483" class="LineNr">483 </span> <span class="Delimiter">}</span> -<span id="L484" class="LineNr">484 </span><span class="Delimiter">}</span> -<span id="L485" class="LineNr">485 </span> -<span id="L486" class="LineNr">486 </span><span class="Normal">bool</span> <a href='057immutable.cc.html#L486'>is_modified_in_recipe</a><span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">,</span> <span class="Normal">const</span> <span class="Normal">int</span> ingredient_index<span class="Delimiter">,</span> <span class="Normal">const</span> recipe& caller<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L487" class="LineNr">487 </span> <span class="Normal">const</span> recipe& callee = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span> -<span id="L488" class="LineNr">488 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!callee<span class="Delimiter">.</span>has_header<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L489" class="LineNr">489 </span> <a href='003trace.cc.html#L174'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"can't check mutability of ingredients in recipe "</span> << callee<span class="Delimiter">.</span>name << <span class="Constant">" because it uses 'next-ingredient' directly, rather than a recipe header.</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> -<span id="L490" class="LineNr">490 </span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span> -<span id="L491" class="LineNr">491 </span> <span class="Delimiter">}</span> -<span id="L492" class="LineNr">492 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>ingredient_index >= <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>callee<span class="Delimiter">.</span>ingredients<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> <span class="Comment">// optional immutable ingredient</span> -<span id="L493" class="LineNr">493 </span> <span class="Identifier">return</span> <a href='057immutable.cc.html#L496'>is_present_in_products</a><span class="Delimiter">(</span>callee<span class="Delimiter">,</span> callee<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>ingredient_index<span class="Delimiter">).</span>name<span class="Delimiter">);</span> -<span id="L494" class="LineNr">494 </span><span class="Delimiter">}</span> -<span id="L495" class="LineNr">495 </span> -<span id="L496" class="LineNr">496 </span><span class="Normal">bool</span> <a href='057immutable.cc.html#L496'>is_present_in_products</a><span class="Delimiter">(</span><span class="Normal">const</span> recipe& callee<span class="Delimiter">,</span> <span class="Normal">const</span> string& ingredient_name<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L497" class="LineNr">497 </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>callee<span class="Delimiter">.</span>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L498" class="LineNr">498 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>callee<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name == ingredient_name<span class="Delimiter">)</span> -<span id="L499" class="LineNr">499 </span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span> -<span id="L500" class="LineNr">500 </span> <span class="Delimiter">}</span> -<span id="L501" class="LineNr">501 </span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> -<span id="L502" class="LineNr">502 </span><span class="Delimiter">}</span> -<span id="L503" class="LineNr">503 </span> -<span id="L504" class="LineNr">504 </span>set<<span class="Normal">int</span>> <a href='057immutable.cc.html#L504'>ingredient_indices</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction& inst<span class="Delimiter">,</span> <span class="Normal">const</span> set<reagent>& ingredient_names<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L505" class="LineNr">505 </span> set<<span class="Normal">int</span>> result<span class="Delimiter">;</span> -<span id="L506" class="LineNr">506 </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>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L507" class="LineNr">507 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_literal<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="Identifier">continue</span><span class="Delimiter">;</span> -<span id="L508" class="LineNr">508 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>ingredient_names<span class="Delimiter">.</span>find<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> != ingredient_names<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">())</span> -<span id="L509" class="LineNr">509 </span> result<span class="Delimiter">.</span>insert<span class="Delimiter">(</span>i<span class="Delimiter">);</span> -<span id="L510" class="LineNr">510 </span> <span class="Delimiter">}</span> -<span id="L511" class="LineNr">511 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span> -<span id="L512" class="LineNr">512 </span><span class="Delimiter">}</span> -<span id="L513" class="LineNr">513 </span> -<span id="L514" class="LineNr">514 </span><span class="Comment">//: Sometimes you want to pass in two addresses, one pointing inside the</span> -<span id="L515" class="LineNr">515 </span><span class="Comment">//: other. For example, you want to delete a node from a linked list. You</span> -<span id="L516" class="LineNr">516 </span><span class="Comment">//: can't pass both pointers back out, because if a caller tries to make both</span> -<span id="L517" class="LineNr">517 </span><span class="Comment">//: identical then you can't tell which value will be written on the way out.</span> -<span id="L518" class="LineNr">518 </span><span class="Comment">//:</span> -<span id="L519" class="LineNr">519 </span><span class="Comment">//: Experimental solution: just tell Mu that one points inside the other.</span> -<span id="L520" class="LineNr">520 </span><span class="Comment">//: This way we can return just one pointer as high up as necessary to capture</span> -<span id="L521" class="LineNr">521 </span><span class="Comment">//: all modifications performed by a recipe.</span> -<span id="L522" class="LineNr">522 </span><span class="Comment">//:</span> -<span id="L523" class="LineNr">523 </span><span class="Comment">//: We'll see if we end up wanting to abuse /contained-in for other reasons.</span> -<span id="L524" class="LineNr">524 </span> -<span id="L525" class="LineNr">525 </span><span class="Delimiter">:(scenarios transform)</span> -<span id="L526" class="LineNr">526 </span><span class="Delimiter">:(scenario can_modify_contained_in_addresses)</span> -<span id="L527" class="LineNr">527 </span><span class="muData">container</span> test-list [ -<span id="L528" class="LineNr">528 </span> <span class="Normal">value</span>:num -<span id="L529" class="LineNr">529 </span> <span class="Normal">next</span>:&:test-list -<span id="L530" class="LineNr">530 </span>] -<span id="L531" class="LineNr">531 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [ -<span id="L532" class="LineNr">532 </span> local-scope -<span id="L533" class="LineNr">533 </span> <span class="Normal">p</span>:&:test-list<span class="Special"> <- </span><span class="Normal">new</span> <span class="Constant">test-list:type</span> -<span id="L534" class="LineNr">534 </span> foo p -<span id="L535" class="LineNr">535 </span>] -<span id="L536" class="LineNr">536 </span><span class="muRecipe">def</span> foo p:&:test-list<span class="muRecipe"> -> </span>p:&:test-list [ -<span id="L537" class="LineNr">537 </span> local-scope -<span id="L538" class="LineNr">538 </span> load-ingredients -<span id="L539" class="LineNr">539 </span> <span class="Normal">p2</span>:&:test-list<span class="Special"> <- </span>test-next p -<span id="L540" class="LineNr">540 </span> p<span class="Special"> <- </span>test-remove p2<span class="Delimiter">,</span> p -<span id="L541" class="LineNr">541 </span>] -<span id="L542" class="LineNr">542 </span><span class="muRecipe">def</span> test-next x:&:test-list<span class="muRecipe"> -> </span>y:&:test-list [ -<span id="L543" class="LineNr">543 </span> local-scope -<span id="L544" class="LineNr">544 </span> load-ingredients -<span id="L545" class="LineNr">545 </span> y<span class="Special"> <- </span>get *x<span class="Delimiter">,</span> <span class="Constant">next:offset</span> -<span id="L546" class="LineNr">546 </span>] -<span id="L547" class="LineNr">547 </span><span class="muRecipe">def</span> test-remove x:&:test-list/contained-in:from<span class="Delimiter">,</span> from:&:test-list<span class="muRecipe"> -> </span>from:&:test-list [ -<span id="L548" class="LineNr">548 </span> local-scope -<span id="L549" class="LineNr">549 </span> load-ingredients -<span id="L550" class="LineNr">550 </span> *x<span class="Special"> <- </span><a href='001help.cc.html#L221'>put</a> *x<span class="Delimiter">,</span> <span class="Constant">value:offset</span><span class="Delimiter">,</span> <span class="Constant">34</span> <span class="Comment"># can modify x</span> -<span id="L551" class="LineNr">551 </span>] -<span id="L552" class="LineNr">552 </span>$error: <span class="Constant">0</span> -<span id="L553" class="LineNr">553 </span> -<span id="L554" class="LineNr">554 </span><span class="Delimiter">:(before "End Immutable Ingredients Special-cases")</span> -<span id="L555" class="LineNr">555 </span><span class="Normal">if</span> <span class="Delimiter">(</span>has_property<span class="Delimiter">(</span>current_ingredient<span class="Delimiter">,</span> <span class="Constant">"contained-in"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L556" class="LineNr">556 </span> <span class="Normal">const</span> string_tree* tmp = property<span class="Delimiter">(</span>current_ingredient<span class="Delimiter">,</span> <span class="Constant">"contained-in"</span><span class="Delimiter">);</span> -<span id="L557" class="LineNr">557 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!tmp<span class="Delimiter">-></span>atom -<span id="L558" class="LineNr">558 </span> || <span class="Delimiter">(</span>!is_present_in_ingredients<span class="Delimiter">(</span>caller<span class="Delimiter">,</span> tmp<span class="Delimiter">-></span>value<span class="Delimiter">)</span> -<span id="L559" class="LineNr">559 </span> && !is_present_in_products<span class="Delimiter">(</span>caller<span class="Delimiter">,</span> tmp<span class="Delimiter">-></span>value<span class="Delimiter">)))</span> <span class="Delimiter">{</span> -<span id="L560" class="LineNr">560 </span> <a href='003trace.cc.html#L174'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"/contained-in can only point to another ingredient or product, but got '"</span> << to_string<span class="Delimiter">(</span>property<span class="Delimiter">(</span>current_ingredient<span class="Delimiter">,</span> <span class="Constant">"contained-in"</span><span class="Delimiter">))</span> << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span> -<span id="L561" class="LineNr">561 </span> <span class="Delimiter">}</span> -<span id="L562" class="LineNr">562 </span> <span class="Identifier">continue</span><span class="Delimiter">;</span> -<span id="L563" class="LineNr">563 </span><span class="Delimiter">}</span> -<span id="L564" class="LineNr">564 </span> -<span id="L565" class="LineNr">565 </span><span class="Delimiter">:(scenario contained_in_product)</span> -<span id="L566" class="LineNr">566 </span><span class="muData">container</span> test-list [ -<span id="L567" class="LineNr">567 </span> <span class="Normal">value</span>:num -<span id="L568" class="LineNr">568 </span> <span class="Normal">next</span>:&:test-list -<span id="L569" class="LineNr">569 </span>] -<span id="L570" class="LineNr">570 </span><span class="muRecipe">def</span> foo x:&:test-list/contained-in:result<span class="muRecipe"> -> </span>result:&:test-list [ -<span id="L571" class="LineNr">571 </span> local-scope -<span id="L572" class="LineNr">572 </span> load-ingredients -<span id="L573" class="LineNr">573 </span> result<span class="Special"> <- </span>copy <span class="Constant">0</span> -<span id="L574" class="LineNr">574 </span>] -<span id="L575" class="LineNr">575 </span>$error: <span class="Constant">0</span> -<span id="L576" class="LineNr">576 </span> -<span id="L577" class="LineNr">577 </span><span class="Delimiter">:(scenario contained_in_is_mutable)</span> -<span id="L578" class="LineNr">578 </span><span class="muData">container</span> test-list [ -<span id="L579" class="LineNr">579 </span> <span class="Normal">value</span>:num -<span id="L580" class="LineNr">580 </span> <span class="Normal">next</span>:&:test-list -<span id="L581" class="LineNr">581 </span>] -<span id="L582" class="LineNr">582 </span><span class="muRecipe">def</span> foo x:&:test-list/contained-in:result<span class="muRecipe"> -> </span>result:&:test-list [ -<span id="L583" class="LineNr">583 </span> local-scope -<span id="L584" class="LineNr">584 </span> load-ingredients -<span id="L585" class="LineNr">585 </span> result<span class="Special"> <- </span>copy x -<span id="L586" class="LineNr">586 </span> <a href='001help.cc.html#L221'>put</a> *x<span class="Delimiter">,</span> <span class="Constant">value:offset</span><span class="Delimiter">,</span> <span class="Constant">34</span> -<span id="L587" class="LineNr">587 </span>] -<span id="L588" class="LineNr">588 </span>$error: <span class="Constant">0</span> +<span id="L412" class="LineNr">412 </span><span class="Normal">bool</span> is_mu_container<span class="Delimiter">(</span><span class="Normal">const</span> reagent& r<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L413" class="LineNr">413 </span> <span class="Identifier">return</span> is_mu_container<span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">);</span> +<span id="L414" class="LineNr">414 </span><span class="Delimiter">}</span> +<span id="L415" class="LineNr">415 </span><span class="Normal">bool</span> is_mu_container<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L416" class="LineNr">416 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> +<span id="L417" class="LineNr">417 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">-></span>atom<span class="Delimiter">)</span> +<span id="L418" class="LineNr">418 </span> <span class="Identifier">return</span> is_mu_container<span class="Delimiter">(</span>get_base_type<span class="Delimiter">(</span>type<span class="Delimiter">));</span> +<span id="L419" class="LineNr">419 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">-></span>value == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> +<span id="L420" class="LineNr">420 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> type<span class="Delimiter">-></span>value<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> <span class="Comment">// error raised elsewhere</span> +<span id="L421" class="LineNr">421 </span> type_info& info = get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> type<span class="Delimiter">-></span>value<span class="Delimiter">);</span> +<span id="L422" class="LineNr">422 </span> <span class="Identifier">return</span> info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L179'>CONTAINER</a><span class="Delimiter">;</span> +<span id="L423" class="LineNr">423 </span><span class="Delimiter">}</span> +<span id="L424" class="LineNr">424 </span> +<span id="L425" class="LineNr">425 </span><span class="Normal">bool</span> is_mu_exclusive_container<span class="Delimiter">(</span><span class="Normal">const</span> reagent& r<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L426" class="LineNr">426 </span> <span class="Identifier">return</span> is_mu_exclusive_container<span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">);</span> +<span id="L427" class="LineNr">427 </span><span class="Delimiter">}</span> +<span id="L428" class="LineNr">428 </span><span class="Normal">bool</span> is_mu_exclusive_container<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L429" class="LineNr">429 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> +<span id="L430" class="LineNr">430 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">-></span>atom<span class="Delimiter">)</span> +<span id="L431" class="LineNr">431 </span> <span class="Identifier">return</span> is_mu_exclusive_container<span class="Delimiter">(</span>get_base_type<span class="Delimiter">(</span>type<span class="Delimiter">));</span> +<span id="L432" class="LineNr">432 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">-></span>value == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> +<span id="L433" class="LineNr">433 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> type<span class="Delimiter">-></span>value<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> <span class="Comment">// error raised elsewhere</span> +<span id="L434" class="LineNr">434 </span> type_info& info = get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> type<span class="Delimiter">-></span>value<span class="Delimiter">);</span> +<span id="L435" class="LineNr">435 </span> <span class="Identifier">return</span> info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L180'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">;</span> +<span id="L436" class="LineNr">436 </span><span class="Delimiter">}</span> +<span id="L437" class="LineNr">437 </span> +<span id="L438" class="LineNr">438 </span><span class="Delimiter">:(scenarios transform)</span> +<span id="L439" class="LineNr">439 </span><span class="Delimiter">:(scenario immutability_infects_contained_in_variables)</span> +<span id="L440" class="LineNr">440 </span><span class="Special">% Hide_errors = true;</span> +<span id="L441" class="LineNr">441 </span><span class="muData">container</span> test-list [ +<span id="L442" class="LineNr">442 </span> <span class="Normal">value</span>:num +<span id="L443" class="LineNr">443 </span> <span class="Normal">next</span>:&:test-list +<span id="L444" class="LineNr">444 </span>] +<span id="L445" class="LineNr">445 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [ +<span id="L446" class="LineNr">446 </span> local-scope +<span id="L447" class="LineNr">447 </span> <span class="Normal">p</span>:&:test-list<span class="Special"> <- </span><span class="Normal">new</span> <span class="Constant">test-list:type</span> +<span id="L448" class="LineNr">448 </span> foo p +<span id="L449" class="LineNr">449 </span>] +<span id="L450" class="LineNr">450 </span><span class="muRecipe">def</span> foo p:&:test-list [ <span class="Comment"># p is immutable</span> +<span id="L451" class="LineNr">451 </span> local-scope +<span id="L452" class="LineNr">452 </span> load-ingredients +<span id="L453" class="LineNr">453 </span> <span class="Normal">p2</span>:&:test-list<span class="Special"> <- </span>test-next p <span class="Comment"># p2 is immutable</span> +<span id="L454" class="LineNr">454 </span> *p2<span class="Special"> <- </span><a href='001help.cc.html#L221'>put</a> *p2<span class="Delimiter">,</span> <span class="Constant">value:offset</span><span class="Delimiter">,</span> <span class="Constant">34</span> +<span id="L455" class="LineNr">455 </span>] +<span id="L456" class="LineNr">456 </span><span class="muRecipe">def</span> test-next x:&:test-list<span class="muRecipe"> -> </span>y:&:test-list/contained-in:x [ +<span id="L457" class="LineNr">457 </span> local-scope +<span id="L458" class="LineNr">458 </span> load-ingredients +<span id="L459" class="LineNr">459 </span> y<span class="Special"> <- </span>get *x<span class="Delimiter">,</span> <span class="Constant">next:offset</span> +<span id="L460" class="LineNr">460 </span>] +<span id="L461" class="LineNr">461 </span><span class="traceContains">+error: foo: cannot modify 'p2' in <a href='010vm.cc.html#L32'>instruction</a> '*p2 <- put *p2, value:offset, 34' because that would modify p which is an ingredient of <a href='010vm.cc.html#L19'>recipe</a> foo but not also a product</span> +<span id="L462" class="LineNr">462 </span> +<span id="L463" class="LineNr">463 </span><span class="Delimiter">:(code)</span> +<span id="L464" class="LineNr">464 </span><span class="Normal">void</span> <a href='057immutable.cc.html#L464'>check_immutable_ingredient_in_instruction</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction& inst<span class="Delimiter">,</span> <span class="Normal">const</span> set<reagent>& current_ingredient_and_aliases<span class="Delimiter">,</span> <span class="Normal">const</span> string& original_ingredient_name<span class="Delimiter">,</span> <span class="Normal">const</span> recipe& caller<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L465" class="LineNr">465 </span> <span class="Comment">// first check if the instruction is directly modifying something it shouldn't</span> +<span id="L466" class="LineNr">466 </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>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L467" class="LineNr">467 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_property<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="Constant">"lookup"</span><span class="Delimiter">)</span> +<span id="L468" class="LineNr">468 </span> && current_ingredient_and_aliases<span class="Delimiter">.</span>find<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> != current_ingredient_and_aliases<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">())</span> <span class="Delimiter">{</span> +<span id="L469" class="LineNr">469 </span> string current_product_name = inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">;</span> +<span id="L470" class="LineNr">470 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>current_product_name == original_ingredient_name<span class="Delimiter">)</span> +<span id="L471" class="LineNr">471 </span> <a href='003trace.cc.html#L174'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"cannot modify '"</span> << current_product_name << <span class="Constant">"' in <a href='010vm.cc.html#L32'>instruction</a> '"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"' because it's an ingredient of recipe "</span> << caller<span class="Delimiter">.</span>name << <span class="Constant">" but not also a product</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> +<span id="L472" class="LineNr">472 </span> <span class="Normal">else</span> +<span id="L473" class="LineNr">473 </span> <a href='003trace.cc.html#L174'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"cannot modify '"</span> << current_product_name << <span class="Constant">"' in <a href='010vm.cc.html#L32'>instruction</a> '"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"' because that would modify "</span> << original_ingredient_name << <span class="Constant">" which is an ingredient of <a href='010vm.cc.html#L19'>recipe</a> "</span> << caller<span class="Delimiter">.</span>name << <span class="Constant">" but not also a product</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span> +<span id="L474" class="LineNr">474 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<span id="L475" class="LineNr">475 </span> <span class="Delimiter">}</span> +<span id="L476" class="LineNr">476 </span> <span class="Delimiter">}</span> +<span id="L477" class="LineNr">477 </span> <span class="Comment">// check if there's any indirect modification going on</span> +<span id="L478" class="LineNr">478 </span> set<<span class="Normal">int</span>> current_ingredient_indices = <a href='057immutable.cc.html#L530'>ingredient_indices</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> current_ingredient_and_aliases<span class="Delimiter">);</span> +<span id="L479" class="LineNr">479 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>current_ingredient_indices<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// ingredient not found in call</span> +<span id="L480" class="LineNr">480 </span> <span class="Normal">for</span> <span class="Delimiter">(</span>set<<span class="Normal">int</span>>::iterator p = current_ingredient_indices<span class="Delimiter">.</span>begin<span class="Delimiter">();</span> p != current_ingredient_indices<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span> ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L481" class="LineNr">481 </span> <span class="Normal">const</span> <span class="Normal">int</span> current_ingredient_index = *p<span class="Delimiter">;</span> +<span id="L482" class="LineNr">482 </span> reagent current_ingredient = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>current_ingredient_index<span class="Delimiter">);</span> +<span id="L483" class="LineNr">483 </span> canonize_type<span class="Delimiter">(</span>current_ingredient<span class="Delimiter">);</span> +<span id="L484" class="LineNr">484 </span> <span class="Normal">const</span> string& current_ingredient_name = current_ingredient<span class="Delimiter">.</span>name<span class="Delimiter">;</span> +<span id="L485" class="LineNr">485 </span> <span class="Normal">if</span> <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> <span class="Delimiter">{</span> +<span id="L486" class="LineNr">486 </span> <span class="Comment">// primitive recipe</span> +<span id="L487" class="LineNr">487 </span> <span class="Comment">// we got here only because we got an instruction with an implicit product, and the instruction didn't explicitly spell it out</span> +<span id="L488" class="LineNr">488 </span> <span class="Comment">// put x, y:offset, z</span> +<span id="L489" class="LineNr">489 </span> <span class="Comment">// instead of</span> +<span id="L490" class="LineNr">490 </span> <span class="Comment">// x <- put x, y:offset, z</span> +<span id="L491" class="LineNr">491 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation == PUT || inst<span class="Delimiter">.</span>operation == PUT_INDEX<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L492" class="LineNr">492 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>current_ingredient_index == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L493" class="LineNr">493 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>current_ingredient_name == original_ingredient_name<span class="Delimiter">)</span> +<span id="L494" class="LineNr">494 </span> <a href='003trace.cc.html#L174'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"cannot modify '"</span> << current_ingredient_name << <span class="Constant">"' in <a href='010vm.cc.html#L32'>instruction</a> '"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"' because it's an ingredient of recipe "</span> << caller<span class="Delimiter">.</span>name << <span class="Constant">" but not also a product</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> +<span id="L495" class="LineNr">495 </span> <span class="Normal">else</span> +<span id="L496" class="LineNr">496 </span> <a href='003trace.cc.html#L174'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"cannot modify '"</span> << current_ingredient_name << <span class="Constant">"' in <a href='010vm.cc.html#L32'>instruction</a> '"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"' because that would modify '"</span> << original_ingredient_name << <span class="Constant">"' which is an ingredient of <a href='010vm.cc.html#L19'>recipe</a> "</span> << caller<span class="Delimiter">.</span>name << <span class="Constant">" but not also a product</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span> +<span id="L497" class="LineNr">497 </span> <span class="Delimiter">}</span> +<span id="L498" class="LineNr">498 </span> <span class="Delimiter">}</span> +<span id="L499" class="LineNr">499 </span> <span class="Delimiter">}</span> +<span id="L500" class="LineNr">500 </span> <span class="Normal">else</span> <span class="Delimiter">{</span> +<span id="L501" class="LineNr">501 </span> <span class="Comment">// defined recipe</span> +<span id="L502" class="LineNr">502 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='057immutable.cc.html#L512'>is_modified_in_recipe</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation<span class="Delimiter">,</span> current_ingredient_index<span class="Delimiter">,</span> caller<span class="Delimiter">))</span> <span class="Delimiter">{</span> +<span id="L503" class="LineNr">503 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>current_ingredient_name == original_ingredient_name<span class="Delimiter">)</span> +<span id="L504" class="LineNr">504 </span> <a href='003trace.cc.html#L174'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"cannot modify '"</span> << current_ingredient_name << <span class="Constant">"' in <a href='010vm.cc.html#L32'>instruction</a> '"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"' because it's an ingredient of recipe "</span> << caller<span class="Delimiter">.</span>name << <span class="Constant">" but not also a product</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> +<span id="L505" class="LineNr">505 </span> <span class="Normal">else</span> +<span id="L506" class="LineNr">506 </span> <a href='003trace.cc.html#L174'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"cannot modify '"</span> << current_ingredient_name << <span class="Constant">"' in <a href='010vm.cc.html#L32'>instruction</a> '"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"' because that would modify '"</span> << original_ingredient_name << <span class="Constant">"' which is an ingredient of <a href='010vm.cc.html#L19'>recipe</a> "</span> << caller<span class="Delimiter">.</span>name << <span class="Constant">" but not also a product</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span> +<span id="L507" class="LineNr">507 </span> <span class="Delimiter">}</span> +<span id="L508" class="LineNr">508 </span> <span class="Delimiter">}</span> +<span id="L509" class="LineNr">509 </span> <span class="Delimiter">}</span> +<span id="L510" class="LineNr">510 </span><span class="Delimiter">}</span> +<span id="L511" class="LineNr">511 </span> +<span id="L512" class="LineNr">512 </span><span class="Normal">bool</span> <a href='057immutable.cc.html#L512'>is_modified_in_recipe</a><span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">,</span> <span class="Normal">const</span> <span class="Normal">int</span> ingredient_index<span class="Delimiter">,</span> <span class="Normal">const</span> recipe& caller<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L513" class="LineNr">513 </span> <span class="Normal">const</span> recipe& callee = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span> +<span id="L514" class="LineNr">514 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!callee<span class="Delimiter">.</span>has_header<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L515" class="LineNr">515 </span> <a href='003trace.cc.html#L174'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"can't check mutability of ingredients in recipe "</span> << callee<span class="Delimiter">.</span>name << <span class="Constant">" because it uses 'next-ingredient' directly, rather than a recipe header.</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> +<span id="L516" class="LineNr">516 </span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span> +<span id="L517" class="LineNr">517 </span> <span class="Delimiter">}</span> +<span id="L518" class="LineNr">518 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>ingredient_index >= <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>callee<span class="Delimiter">.</span>ingredients<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> <span class="Comment">// optional immutable ingredient</span> +<span id="L519" class="LineNr">519 </span> <span class="Identifier">return</span> <a href='057immutable.cc.html#L522'>is_present_in_products</a><span class="Delimiter">(</span>callee<span class="Delimiter">,</span> callee<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>ingredient_index<span class="Delimiter">).</span>name<span class="Delimiter">);</span> +<span id="L520" class="LineNr">520 </span><span class="Delimiter">}</span> +<span id="L521" class="LineNr">521 </span> +<span id="L522" class="LineNr">522 </span><span class="Normal">bool</span> <a href='057immutable.cc.html#L522'>is_present_in_products</a><span class="Delimiter">(</span><span class="Normal">const</span> recipe& callee<span class="Delimiter">,</span> <span class="Normal">const</span> string& ingredient_name<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L523" class="LineNr">523 </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>callee<span class="Delimiter">.</span>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L524" class="LineNr">524 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>callee<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name == ingredient_name<span class="Delimiter">)</span> +<span id="L525" class="LineNr">525 </span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span> +<span id="L526" class="LineNr">526 </span> <span class="Delimiter">}</span> +<span id="L527" class="LineNr">527 </span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> +<span id="L528" class="LineNr">528 </span><span class="Delimiter">}</span> +<span id="L529" class="LineNr">529 </span> +<span id="L530" class="LineNr">530 </span>set<<span class="Normal">int</span>> <a href='057immutable.cc.html#L530'>ingredient_indices</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction& inst<span class="Delimiter">,</span> <span class="Normal">const</span> set<reagent>& ingredient_names<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L531" class="LineNr">531 </span> set<<span class="Normal">int</span>> result<span class="Delimiter">;</span> +<span id="L532" class="LineNr">532 </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>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L533" class="LineNr">533 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_literal<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="Identifier">continue</span><span class="Delimiter">;</span> +<span id="L534" class="LineNr">534 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>ingredient_names<span class="Delimiter">.</span>find<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> != ingredient_names<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">())</span> +<span id="L535" class="LineNr">535 </span> result<span class="Delimiter">.</span>insert<span class="Delimiter">(</span>i<span class="Delimiter">);</span> +<span id="L536" class="LineNr">536 </span> <span class="Delimiter">}</span> +<span id="L537" class="LineNr">537 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span> +<span id="L538" class="LineNr">538 </span><span class="Delimiter">}</span> +<span id="L539" class="LineNr">539 </span> +<span id="L540" class="LineNr">540 </span><span class="Comment">//: Sometimes you want to pass in two addresses, one pointing inside the</span> +<span id="L541" class="LineNr">541 </span><span class="Comment">//: other. For example, you want to delete a node from a linked list. You</span> +<span id="L542" class="LineNr">542 </span><span class="Comment">//: can't pass both pointers back out, because if a caller tries to make both</span> +<span id="L543" class="LineNr">543 </span><span class="Comment">//: identical then you can't tell which value will be written on the way out.</span> +<span id="L544" class="LineNr">544 </span><span class="Comment">//:</span> +<span id="L545" class="LineNr">545 </span><span class="Comment">//: Experimental solution: just tell Mu that one points inside the other.</span> +<span id="L546" class="LineNr">546 </span><span class="Comment">//: This way we can return just one pointer as high up as necessary to capture</span> +<span id="L547" class="LineNr">547 </span><span class="Comment">//: all modifications performed by a recipe.</span> +<span id="L548" class="LineNr">548 </span><span class="Comment">//:</span> +<span id="L549" class="LineNr">549 </span><span class="Comment">//: We'll see if we end up wanting to abuse /contained-in for other reasons.</span> +<span id="L550" class="LineNr">550 </span> +<span id="L551" class="LineNr">551 </span><span class="Delimiter">:(scenarios transform)</span> +<span id="L552" class="LineNr">552 </span><span class="Delimiter">:(scenario can_modify_contained_in_addresses)</span> +<span id="L553" class="LineNr">553 </span><span class="muData">container</span> test-list [ +<span id="L554" class="LineNr">554 </span> <span class="Normal">value</span>:num +<span id="L555" class="LineNr">555 </span> <span class="Normal">next</span>:&:test-list +<span id="L556" class="LineNr">556 </span>] +<span id="L557" class="LineNr">557 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [ +<span id="L558" class="LineNr">558 </span> local-scope +<span id="L559" class="LineNr">559 </span> <span class="Normal">p</span>:&:test-list<span class="Special"> <- </span><span class="Normal">new</span> <span class="Constant">test-list:type</span> +<span id="L560" class="LineNr">560 </span> foo p +<span id="L561" class="LineNr">561 </span>] +<span id="L562" class="LineNr">562 </span><span class="muRecipe">def</span> foo p:&:test-list<span class="muRecipe"> -> </span>p:&:test-list [ +<span id="L563" class="LineNr">563 </span> local-scope +<span id="L564" class="LineNr">564 </span> load-ingredients +<span id="L565" class="LineNr">565 </span> <span class="Normal">p2</span>:&:test-list<span class="Special"> <- </span>test-next p +<span id="L566" class="LineNr">566 </span> p<span class="Special"> <- </span>test-remove p2<span class="Delimiter">,</span> p +<span id="L567" class="LineNr">567 </span>] +<span id="L568" class="LineNr">568 </span><span class="muRecipe">def</span> test-next x:&:test-list<span class="muRecipe"> -> </span>y:&:test-list [ +<span id="L569" class="LineNr">569 </span> local-scope +<span id="L570" class="LineNr">570 </span> load-ingredients +<span id="L571" class="LineNr">571 </span> y<span class="Special"> <- </span>get *x<span class="Delimiter">,</span> <span class="Constant">next:offset</span> +<span id="L572" class="LineNr">572 </span>] +<span id="L573" class="LineNr">573 </span><span class="muRecipe">def</span> test-remove x:&:test-list/contained-in:from<span class="Delimiter">,</span> from:&:test-list<span class="muRecipe"> -> </span>from:&:test-list [ +<span id="L574" class="LineNr">574 </span> local-scope +<span id="L575" class="LineNr">575 </span> load-ingredients +<span id="L576" class="LineNr">576 </span> *x<span class="Special"> <- </span><a href='001help.cc.html#L221'>put</a> *x<span class="Delimiter">,</span> <span class="Constant">value:offset</span><span class="Delimiter">,</span> <span class="Constant">34</span> <span class="Comment"># can modify x</span> +<span id="L577" class="LineNr">577 </span>] +<span id="L578" class="LineNr">578 </span>$error: <span class="Constant">0</span> +<span id="L579" class="LineNr">579 </span> +<span id="L580" class="LineNr">580 </span><span class="Delimiter">:(before "End Immutable Ingredients Special-cases")</span> +<span id="L581" class="LineNr">581 </span><span class="Normal">if</span> <span class="Delimiter">(</span>has_property<span class="Delimiter">(</span>current_ingredient<span class="Delimiter">,</span> <span class="Constant">"contained-in"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> +<span id="L582" class="LineNr">582 </span> <span class="Normal">const</span> string_tree* tmp = property<span class="Delimiter">(</span>current_ingredient<span class="Delimiter">,</span> <span class="Constant">"contained-in"</span><span class="Delimiter">);</span> +<span id="L583" class="LineNr">583 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!tmp<span class="Delimiter">-></span>atom +<span id="L584" class="LineNr">584 </span> || <span class="Delimiter">(</span>!is_present_in_ingredients<span class="Delimiter">(</span>caller<span class="Delimiter">,</span> tmp<span class="Delimiter">-></span>value<span class="Delimiter">)</span> +<span id="L585" class="LineNr">585 </span> && !is_present_in_products<span class="Delimiter">(</span>caller<span class="Delimiter">,</span> tmp<span class="Delimiter">-></span>value<span class="Delimiter">)))</span> <span class="Delimiter">{</span> +<span id="L586" class="LineNr">586 </span> <a href='003trace.cc.html#L174'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"/contained-in can only point to another ingredient or product, but got '"</span> << to_string<span class="Delimiter">(</span>property<span class="Delimiter">(</span>current_ingredient<span class="Delimiter">,</span> <span class="Constant">"contained-in"</span><span class="Delimiter">))</span> << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span> +<span id="L587" class="LineNr">587 </span> <span class="Delimiter">}</span> +<span id="L588" class="LineNr">588 </span> <span class="Identifier">continue</span><span class="Delimiter">;</span> +<span id="L589" class="LineNr">589 </span><span class="Delimiter">}</span> +<span id="L590" class="LineNr">590 </span> +<span id="L591" class="LineNr">591 </span><span class="Delimiter">:(scenario contained_in_product)</span> +<span id="L592" class="LineNr">592 </span><span class="muData">container</span> test-list [ +<span id="L593" class="LineNr">593 </span> <span class="Normal">value</span>:num +<span id="L594" class="LineNr">594 </span> <span class="Normal">next</span>:&:test-list +<span id="L595" class="LineNr">595 </span>] +<span id="L596" class="LineNr">596 </span><span class="muRecipe">def</span> foo x:&:test-list/contained-in:result<span class="muRecipe"> -> </span>result:&:test-list [ +<span id="L597" class="LineNr">597 </span> local-scope +<span id="L598" class="LineNr">598 </span> load-ingredients +<span id="L599" class="LineNr">599 </span> result<span class="Special"> <- </span>copy <span class="Constant">0</span> +<span id="L600" class="LineNr">600 </span>] +<span id="L601" class="LineNr">601 </span>$error: <span class="Constant">0</span> +<span id="L602" class="LineNr">602 </span> +<span id="L603" class="LineNr">603 </span><span class="Delimiter">:(scenario contained_in_is_mutable)</span> +<span id="L604" class="LineNr">604 </span><span class="muData">container</span> test-list [ +<span id="L605" class="LineNr">605 </span> <span class="Normal">value</span>:num +<span id="L606" class="LineNr">606 </span> <span class="Normal">next</span>:&:test-list +<span id="L607" class="LineNr">607 </span>] +<span id="L608" class="LineNr">608 </span><span class="muRecipe">def</span> foo x:&:test-list/contained-in:result<span class="muRecipe"> -> </span>result:&:test-list [ +<span id="L609" class="LineNr">609 </span> local-scope +<span id="L610" class="LineNr">610 </span> load-ingredients +<span id="L611" class="LineNr">611 </span> result<span class="Special"> <- </span>copy x +<span id="L612" class="LineNr">612 </span> <a href='001help.cc.html#L221'>put</a> *x<span class="Delimiter">,</span> <span class="Constant">value:offset</span><span class="Delimiter">,</span> <span class="Constant">34</span> +<span id="L613" class="LineNr">613 </span>] +<span id="L614" class="LineNr">614 </span>$error: <span class="Constant">0</span> </pre> </body> </html> |