diff options
Diffstat (limited to 'html/043space.cc.html')
| -rw-r--r-- | html/043space.cc.html | 912 |
1 files changed, 468 insertions, 444 deletions
diff --git a/html/043space.cc.html b/html/043space.cc.html index 617bd873..aa08efa9 100644 --- a/html/043space.cc.html +++ b/html/043space.cc.html @@ -6,24 +6,25 @@ <meta name="Generator" content="Vim/7.4"> <meta name="plugin-version" content="vim7.4_v2"> <meta name="syntax" content="cpp"> -<meta name="settings" content="use_css,pre_wrap,no_foldcolumn,expand_tabs,prevent_copy="> +<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy="> <meta name="colorscheme" content="minimal"> <style type="text/css"> <!-- pre { white-space: pre-wrap; font-family: monospace; color: #eeeeee; background-color: #080808; } body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color: #080808; } * { font-size: 12pt; font-size: 1em; } -.Constant { color: #00a0a0; } -.traceAbsent { color: #c00000; } -.cSpecial { color: #008000; } -.muRecipe { color: #ff8700; } .SalientComment { color: #00ffff; } -.Comment { color: #9090ff; } +.muRecipe { color: #ff8700; } +.LineNr { color: #444444; } +.muData { color: #ffff00; } +.cSpecial { color: #008000; } .Delimiter { color: #800080; } -.Special { color: #c00000; } -.traceContains { color: #008000; } .Normal { color: #eeeeee; background-color: #080808; padding-bottom: 1px; } -.muData { color: #ffff00; } +.traceContains { color: #008000; } +.traceAbsent { color: #c00000; } +.Comment { color: #9090ff; } +.Constant { color: #00a0a0; } +.Special { color: #c00000; } .Identifier { color: #c0a020; } --> </style> @@ -31,445 +32,468 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color <script type='text/javascript'> <!-- +/* function to open any folds containing a jumped-to line before jumping to it */ +function JumpToLine() +{ + var lineNum; + lineNum = window.location.hash; + lineNum = lineNum.substr(1); /* strip off '#' */ + + if (lineNum.indexOf('L') == -1) { + lineNum = 'L'+lineNum; + } + lineElem = document.getElementById(lineNum); + /* Always jump to new location even if the line was hidden inside a fold, or + * we corrected the raw number to a line ID. + */ + if (lineElem) { + lineElem.scrollIntoView(true); + } + return true; +} +if ('onhashchange' in window) { + window.onhashchange = JumpToLine; +} + --> </script> </head> -<body> +<body onload='JumpToLine();'> <pre id='vimCodeElement'> -<span class="Comment">//: Spaces help isolate recipes from each other. You can create them at will,</span> -<span class="Comment">//: and all addresses in arguments are implicitly based on the 'default-space'</span> -<span class="Comment">//: (unless they have the /raw property)</span> - -<span class="Comment">//: A space is just an array of any scalar location.</span> -<span class="Delimiter">:(before "End Mu Types Initialization")</span> -put<span class="Delimiter">(</span>Type_abbreviations<span class="Delimiter">,</span> <span class="Constant">"space"</span><span class="Delimiter">,</span> new_type_tree<span class="Delimiter">(</span><span class="Constant">"address:array:location"</span><span class="Delimiter">));</span> -<span class="Comment">//: Spaces are often called 'scopes' in other languages.</span> -put<span class="Delimiter">(</span>Type_abbreviations<span class="Delimiter">,</span> <span class="Constant">"scope"</span><span class="Delimiter">,</span> new_type_tree<span class="Delimiter">(</span><span class="Constant">"address:array:location"</span><span class="Delimiter">));</span> - -<span class="Delimiter">:(scenario set_default_space)</span> -<span class="Comment"># if default-space is 10, and if an array of 5 locals lies from location 12 to 16 (inclusive),</span> -<span class="Comment"># then local 0 is really location 12, local 1 is really location 13, and so on.</span> -<span class="muRecipe">def</span> main [ - <span class="Comment"># pretend address:array:location; in practice we'll use new</span> - <span class="Constant">10</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span> <span class="Comment"># refcount</span> - <span class="Constant">11</span>:num<span class="Special"> <- </span>copy <span class="Constant">5</span> <span class="Comment"># length</span> - <span class="Normal">default</span>-space:space<span class="Special"> <- </span>copy <span class="Constant">10</span>/unsafe - <span class="Constant">1</span>:num<span class="Special"> <- </span>copy <span class="Constant">23</span> -] -<span class="traceContains">+mem: storing 23 in location 13</span> - -<span class="Delimiter">:(scenario lookup_sidesteps_default_space)</span> -<span class="muRecipe">def</span> main [ - <span class="Comment"># pretend pointer from outside (2000 reserved for refcount)</span> - <span class="Constant">2001</span>:num<span class="Special"> <- </span>copy <span class="Constant">34</span> - <span class="Comment"># pretend address:array:location; in practice we'll use new</span> - <span class="Constant">1000</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span> <span class="Comment"># refcount</span> - <span class="Constant">1001</span>:num<span class="Special"> <- </span>copy <span class="Constant">5</span> <span class="Comment"># length</span> - <span class="Comment"># actual start of this recipe</span> - <span class="Normal">default</span>-space:space<span class="Special"> <- </span>copy <span class="Constant">1000</span>/unsafe - <span class="Constant">1</span>:&:num<span class="Special"> <- </span>copy <span class="Constant">2000</span>/unsafe <span class="Comment"># even local variables always contain raw addresses</span> - <span class="Constant">8</span>:num/<span class="Special">raw <- </span>copy *<span class="Constant">1</span>:&:num -] -<span class="traceContains">+mem: storing 34 in location 8</span> - -<span class="SalientComment">//:: first disable name conversion for 'default-space'</span> -<span class="Delimiter">:(scenario convert_names_passes_default_space)</span> -<span class="Special">% Hide_errors = true;</span> -<span class="muRecipe">def</span> main [ - <span class="Normal">default</span>-space:num<span class="Delimiter">,</span> x:num<span class="Special"> <- </span>copy <span class="Constant">0</span><span class="Delimiter">,</span> <span class="Constant">1</span> -] -<span class="traceContains">+name: assign x 1</span> -<span class="traceAbsent">-name: assign default-space 1</span> - -<span class="Delimiter">:(before "End is_disqualified Special-cases")</span> -<span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>name == <span class="Constant">"default-space"</span><span class="Delimiter">)</span> - x<span class="Delimiter">.</span>initialized = <span class="Constant">true</span><span class="Delimiter">;</span> -<span class="Delimiter">:(before "End is_special_name Special-cases")</span> -<span class="Normal">if</span> <span class="Delimiter">(</span>s == <span class="Constant">"default-space"</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span> - -<span class="SalientComment">//:: now implement space support</span> -<span class="Delimiter">:(before "End call Fields")</span> -<span class="Normal">int</span> default_space<span class="Delimiter">;</span> -<span class="Delimiter">:(before "End call Constructor")</span> -default_space = <span class="Constant">0</span><span class="Delimiter">;</span> - -<span class="Delimiter">:(before "End canonize(x) Special-cases")</span> -absolutize<span class="Delimiter">(</span>x<span class="Delimiter">);</span> -<span class="Delimiter">:(code)</span> -<span class="Normal">void</span> absolutize<span class="Delimiter">(</span>reagent& x<span class="Delimiter">)</span> <span class="Delimiter">{</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>is_raw<span class="Delimiter">(</span>x<span class="Delimiter">)</span> || is_dummy<span class="Delimiter">(</span>x<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>name == <span class="Constant">"default-space"</span><span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>initialized<span class="Delimiter">)</span> - raise << to_original_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> << <span class="Constant">": reagent not initialized: '"</span> << x<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> - x<span class="Delimiter">.</span>set_value<span class="Delimiter">(</span>address<span class="Delimiter">(</span>x<span class="Delimiter">.</span>value<span class="Delimiter">,</span> space_base<span class="Delimiter">(</span>x<span class="Delimiter">)));</span> - x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pair<string<span class="Delimiter">,</span> string_tree*><span class="Delimiter">(</span><span class="Constant">"raw"</span><span class="Delimiter">,</span> <span class="Constant">NULL</span><span class="Delimiter">));</span> - assert<span class="Delimiter">(</span>is_raw<span class="Delimiter">(</span>x<span class="Delimiter">));</span> -<span class="Delimiter">}</span> - -<span class="Comment">//: hook replaced in a later layer</span> -<span class="Normal">int</span> space_base<span class="Delimiter">(</span><span class="Normal">const</span> reagent& x<span class="Delimiter">)</span> <span class="Delimiter">{</span> - <span class="Identifier">return</span> current_call<span class="Delimiter">().</span>default_space ? <span class="Delimiter">(</span>current_call<span class="Delimiter">().</span>default_space+<span class="Comment">/*</span><span class="Comment">skip refcount</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">)</span> : <span class="Constant">0</span><span class="Delimiter">;</span> -<span class="Delimiter">}</span> - -<span class="Normal">int</span> address<span class="Delimiter">(</span><span class="Normal">int</span> offset<span class="Delimiter">,</span> <span class="Normal">int</span> base<span class="Delimiter">)</span> <span class="Delimiter">{</span> - assert<span class="Delimiter">(</span>offset >= <span class="Constant">0</span><span class="Delimiter">);</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>base == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span> offset<span class="Delimiter">;</span> <span class="Comment">// raw</span> - <span class="Normal">int</span> size = get_or_insert<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> base<span class="Delimiter">);</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>offset >= size<span class="Delimiter">)</span> <span class="Delimiter">{</span> - <span class="Comment">// todo: test</span> - raise << <span class="Constant">"location "</span> << offset << <span class="Constant">" is out of bounds "</span> << size << <span class="Constant">" at "</span> << base << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span> - <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span> - <span class="Delimiter">}</span> - <span class="Identifier">return</span> base + <span class="Comment">/*</span><span class="Comment">skip length</span><span class="Comment">*/</span><span class="Constant">1</span> + offset<span class="Delimiter">;</span> -<span class="Delimiter">}</span> - -<span class="SalientComment">//:: reads and writes to the 'default-space' variable have special behavior</span> - -<span class="Delimiter">:(after "Begin Preprocess write_memory(x, data)")</span> -<span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>name == <span class="Constant">"default-space"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>!scalar<span class="Delimiter">(</span>data<span class="Delimiter">)</span> || !is_space<span class="Delimiter">(</span>x<span class="Delimiter">))</span> - raise << maybe<span class="Delimiter">(</span>current_recipe_name<span class="Delimiter">())</span> << <span class="Constant">"'default-space' should be of type address:array:location, but is "</span> << to_string<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span> - current_call<span class="Delimiter">().</span>default_space = data<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> - <span class="Identifier">return</span><span class="Delimiter">;</span> -<span class="Delimiter">}</span> -<span class="Delimiter">:(code)</span> -<span class="Normal">bool</span> is_space<span class="Delimiter">(</span><span class="Normal">const</span> reagent& r<span class="Delimiter">)</span> <span class="Delimiter">{</span> - <span class="Identifier">return</span> is_address_of_array_of_numbers<span class="Delimiter">(</span>r<span class="Delimiter">);</span> -<span class="Delimiter">}</span> - -<span class="Delimiter">:(scenario get_default_space)</span> -<span class="muRecipe">def</span> main [ - <span class="Normal">default</span>-space:space<span class="Special"> <- </span>copy <span class="Constant">10</span>/unsafe - <span class="Constant">1</span>:space/<span class="Special">raw <- </span>copy <span class="Normal">default</span>-space:space -] -<span class="traceContains">+mem: storing 10 in location 1</span> - -<span class="Delimiter">:(after "Begin Preprocess read_memory(x)")</span> -<span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>name == <span class="Constant">"default-space"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> - vector<<span class="Normal">double</span>> result<span class="Delimiter">;</span> - result<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>current_call<span class="Delimiter">().</span>default_space<span class="Delimiter">);</span> - <span class="Identifier">return</span> result<span class="Delimiter">;</span> -<span class="Delimiter">}</span> - -<span class="SalientComment">//:: fix 'get'</span> - -<span class="Delimiter">:(scenario lookup_sidesteps_default_space_in_get)</span> -<span class="muRecipe">def</span> main [ - <span class="Comment"># pretend pointer to container from outside (2000 reserved for refcount)</span> - <span class="Constant">2001</span>:num<span class="Special"> <- </span>copy <span class="Constant">34</span> - <span class="Constant">2002</span>:num<span class="Special"> <- </span>copy <span class="Constant">35</span> - <span class="Comment"># pretend address:array:location; in practice we'll use new</span> - <span class="Constant">1000</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span> <span class="Comment"># refcount</span> - <span class="Constant">1001</span>:num<span class="Special"> <- </span>copy <span class="Constant">5</span> <span class="Comment"># length</span> - <span class="Comment"># actual start of this recipe</span> - <span class="Normal">default</span>-space:space<span class="Special"> <- </span>copy <span class="Constant">1000</span>/unsafe - <span class="Constant">1</span>:&:point<span class="Special"> <- </span>copy <span class="Constant">2000</span>/unsafe - <span class="Constant">9</span>:num/<span class="Special">raw <- </span>get *<span class="Constant">1</span>:&:point<span class="Delimiter">,</span> <span class="Constant">1:offset</span> -] -<span class="traceContains">+mem: storing 35 in location 9</span> - -<span class="Delimiter">:(before "Read element" following "case GET:")</span> -element<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pair<string<span class="Delimiter">,</span> string_tree*><span class="Delimiter">(</span><span class="Constant">"raw"</span><span class="Delimiter">,</span> <span class="Constant">NULL</span><span class="Delimiter">));</span> - -<span class="SalientComment">//:: fix 'index'</span> - -<span class="Delimiter">:(scenario lookup_sidesteps_default_space_in_index)</span> -<span class="muRecipe">def</span> main [ - <span class="Comment"># pretend pointer to array from outside (2000 reserved for refcount)</span> - <span class="Constant">2001</span>:num<span class="Special"> <- </span>copy <span class="Constant">2</span> <span class="Comment"># length</span> - <span class="Constant">2002</span>:num<span class="Special"> <- </span>copy <span class="Constant">34</span> - <span class="Constant">2003</span>:num<span class="Special"> <- </span>copy <span class="Constant">35</span> - <span class="Comment"># pretend address:array:location; in practice we'll use new</span> - <span class="Constant">1000</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span> <span class="Comment"># refcount</span> - <span class="Constant">1001</span>:num<span class="Special"> <- </span>copy <span class="Constant">5</span> <span class="Comment"># length</span> - <span class="Comment"># actual start of this recipe</span> - <span class="Normal">default</span>-space:space<span class="Special"> <- </span>copy <span class="Constant">1000</span>/unsafe - <span class="Constant">1</span>:&:@:num<span class="Special"> <- </span>copy <span class="Constant">2000</span>/unsafe - <span class="Constant">9</span>:num/<span class="Special">raw <- </span>index *<span class="Constant">1</span>:&:@:num<span class="Delimiter">,</span> <span class="Constant">1</span> -] -<span class="traceContains">+mem: storing 35 in location 9</span> - -<span class="Delimiter">:(before "Read element" following "case INDEX:")</span> -element<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pair<string<span class="Delimiter">,</span> string_tree*><span class="Delimiter">(</span><span class="Constant">"raw"</span><span class="Delimiter">,</span> <span class="Constant">NULL</span><span class="Delimiter">));</span> - -<span class="SalientComment">//:: convenience operation to automatically deduce the amount of space to</span> -<span class="SalientComment">//:: allocate in a default space with names</span> - -<span class="Delimiter">:(scenario new_default_space)</span> -<span class="muRecipe">def</span> main [ - <span class="Normal">new</span>-<span class="Normal">default</span>-space - <span class="Normal">x</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span> - <span class="Normal">y</span>:num<span class="Special"> <- </span>copy <span class="Constant">3</span> -] -<span class="Comment"># allocate space for x and y, as well as the chaining slot at 0</span> -<span class="traceContains">+mem: array length is 3</span> - -<span class="Delimiter">:(before "End is_disqualified Special-cases")</span> -<span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>name == <span class="Constant">"number-of-locals"</span><span class="Delimiter">)</span> - x<span class="Delimiter">.</span>initialized = <span class="Constant">true</span><span class="Delimiter">;</span> -<span class="Delimiter">:(before "End is_special_name Special-cases")</span> -<span class="Normal">if</span> <span class="Delimiter">(</span>s == <span class="Constant">"number-of-locals"</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span> - -<span class="Delimiter">:(before "End Rewrite Instruction(curr, recipe result)")</span> -<span class="Comment">// rewrite `new-default-space` to</span> -<span class="Comment">// `default-space:space <- new location:type, number-of-locals:literal`</span> -<span class="Comment">// where N is Name[recipe][""]</span> -<span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">.</span>name == <span class="Constant">"new-default-space"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> - rewrite_default_space_instruction<span class="Delimiter">(</span>curr<span class="Delimiter">);</span> -<span class="Delimiter">}</span> -<span class="Delimiter">:(after "Begin Preprocess read_memory(x)")</span> -<span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>name == <span class="Constant">"number-of-locals"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> - vector<<span class="Normal">double</span>> result<span class="Delimiter">;</span> - result<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>Name[get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> current_recipe_name<span class="Delimiter">())</span>][<span class="Constant">""</span>]<span class="Delimiter">);</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>result<span class="Delimiter">.</span>back<span class="Delimiter">()</span> == <span class="Constant">0</span><span class="Delimiter">)</span> - raise << <span class="Constant">"no space allocated for default-space in recipe "</span> << current_recipe_name<span class="Delimiter">()</span> << <span class="Constant">"; are you using names?</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> - <span class="Identifier">return</span> result<span class="Delimiter">;</span> -<span class="Delimiter">}</span> -<span class="Delimiter">:(after "Begin Preprocess write_memory(x, data)")</span> -<span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>name == <span class="Constant">"number-of-locals"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> - raise << maybe<span class="Delimiter">(</span>current_recipe_name<span class="Delimiter">())</span> << <span class="Constant">"can't write to special name 'number-of-locals'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> - <span class="Identifier">return</span><span class="Delimiter">;</span> -<span class="Delimiter">}</span> - -<span class="SalientComment">//:: 'local-scope' is like 'new-default-space' except that we'll reclaim the</span> -<span class="SalientComment">//:: default-space when the routine exits</span> - -<span class="Delimiter">:(scenario local_scope)</span> -<span class="muRecipe">def</span> main [ - <span class="Constant">1</span>:&:@:location<span class="Special"> <- </span>foo - <span class="Constant">2</span>:&:@:location<span class="Special"> <- </span>foo - <span class="Constant">3</span>:<span class="Normal">bool</span><span class="Special"> <- </span>equal <span class="Constant">1</span>:&<span class="Delimiter">,</span> <span class="Constant">2</span>:& -] -<span class="muRecipe">def</span> foo [ - local-scope - <span class="Normal">x</span>:num<span class="Special"> <- </span>copy <span class="Constant">34</span> - <span class="Identifier">return</span> <span class="Normal">default</span>-space:space -] -<span class="Comment"># both calls to foo should have received the same default-space</span> -<span class="traceContains">+mem: storing 1 in location 3</span> - -<span class="Delimiter">:(scenario local_scope_frees_up_addresses)</span> -<span class="muRecipe">def</span> main [ - local-scope - <span class="Normal">x</span>:text<span class="Special"> <- </span><span class="Normal">new</span> [abc] -] -<span class="traceContains">+mem: clearing x:text</span> - -<span class="Delimiter">:(before "End Rewrite Instruction(curr, recipe result)")</span> -<span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">.</span>name == <span class="Constant">"local-scope"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> - rewrite_default_space_instruction<span class="Delimiter">(</span>curr<span class="Delimiter">);</span> -<span class="Delimiter">}</span> - -<span class="Comment">//: todo: do this in a transform, rather than magically in the 'return' instruction</span> -<span class="Delimiter">:(after "Falling Through End Of Recipe")</span> -try_reclaim_locals<span class="Delimiter">();</span> -<span class="Delimiter">:(after "Starting Reply")</span> -try_reclaim_locals<span class="Delimiter">();</span> - -<span class="Delimiter">:(code)</span> -<span class="Normal">void</span> try_reclaim_locals<span class="Delimiter">()</span> <span class="Delimiter">{</span> - <span class="Comment">// only reclaim routines starting with 'local-scope'</span> - <span class="Normal">const</span> recipe_ordinal r = get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> current_recipe_name<span class="Delimiter">());</span> - <span class="Normal">const</span> recipe& exiting_recipe = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>exiting_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> - <span class="Normal">const</span> instruction& inst = exiting_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>old_name != <span class="Constant">"local-scope"</span><span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span> - <span class="Comment">// reclaim any local variables unless they're being returned</span> - vector<<span class="Normal">double</span>> zeros<span class="Delimiter">;</span> - <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/*</span><span class="Comment">leave default space for last</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>exiting_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> - <span class="Normal">const</span> instruction& inst = exiting_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</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 < SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> - <span class="Normal">const</span> reagent& product = inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> - <span class="Comment">// local variables only</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>has_property<span class="Delimiter">(</span>product<span class="Delimiter">,</span> <span class="Constant">"lookup"</span><span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>has_property<span class="Delimiter">(</span>product<span class="Delimiter">,</span> <span class="Constant">"raw"</span><span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span class="Comment">// tests often want to check such locations after they run</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>escaping<span class="Delimiter">(</span>product<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> - <span class="Comment">// End Checks For Reclaiming Locals</span> - trace<span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">"mem"</span><span class="Delimiter">)</span> << <span class="Constant">"clearing "</span> << product<span class="Delimiter">.</span>original_string << end<span class="Delimiter">();</span> - zeros<span class="Delimiter">.</span>resize<span class="Delimiter">(</span>size_of<span class="Delimiter">(</span>product<span class="Delimiter">));</span> - write_memory<span class="Delimiter">(</span>product<span class="Delimiter">,</span> zeros<span class="Delimiter">);</span> - <span class="Delimiter">}</span> - <span class="Delimiter">}</span> - trace<span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">"mem"</span><span class="Delimiter">)</span> << <span class="Constant">"automatically abandoning "</span> << current_call<span class="Delimiter">().</span>default_space << end<span class="Delimiter">();</span> - abandon<span class="Delimiter">(</span>current_call<span class="Delimiter">().</span>default_space<span class="Delimiter">,</span> - inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>type<span class="Delimiter">-></span>right<span class="Delimiter">,</span> - <span class="Comment">/*</span><span class="Comment">refcount</span><span class="Comment">*/</span><span class="Constant">1</span> + <span class="Comment">/*</span><span class="Comment">array length</span><span class="Comment">*/</span><span class="Constant">1</span> + <span class="Comment">/*</span><span class="Comment">number-of-locals</span><span class="Comment">*/</span>Name[r][<span class="Constant">""</span>]<span class="Delimiter">);</span> -<span class="Delimiter">}</span> - -<span class="Delimiter">:(code)</span> -<span class="Comment">// is this reagent one of the values returned by the current (return) instruction?</span> -<span class="Comment">// is the corresponding ingredient saved in the caller?</span> -<span class="Normal">bool</span> escaping<span class="Delimiter">(</span><span class="Normal">const</span> reagent& r<span class="Delimiter">)</span> <span class="Delimiter">{</span> - assert<span class="Delimiter">(</span>Current_routine<span class="Delimiter">);</span> <span class="Comment">// run-time only</span> - <span class="Comment">// nothing escapes when you fall through past end of recipe</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>current_step_index<span class="Delimiter">()</span> >= SIZE<span class="Delimiter">(</span>Current_routine<span class="Delimiter">-></span>steps<span class="Delimiter">()))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> - <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">long</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>r == current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> <span class="Delimiter">{</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>caller_uses_product<span class="Delimiter">(</span>i<span class="Delimiter">))</span> - <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span> - <span class="Delimiter">}</span> - <span class="Delimiter">}</span> - <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> -<span class="Delimiter">}</span> - -<span class="Comment">//: since we don't decrement refcounts for escaping values above, make sure we</span> -<span class="Comment">//: don't increment them when the caller saves them either</span> - -<span class="Delimiter">:(after "Write Products of Instruction")</span> -Update_refcounts_in_write_memory = should_update_refcounts_in_write_memory<span class="Delimiter">();</span> -<span class="Delimiter">:(before "End Write Products of Instruction")</span> -Update_refcounts_in_write_memory = <span class="Constant">true</span><span class="Delimiter">;</span> -<span class="Delimiter">:(code)</span> -<span class="Normal">bool</span> should_update_refcounts_in_write_memory<span class="Delimiter">()</span> <span class="Delimiter">{</span> - <span class="Normal">const</span> instruction& inst = current_instruction<span class="Delimiter">();</span> - <span class="Comment">// End should_update_refcounts_in_write_memory Special-cases For Primitives</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation < MAX_PRIMITIVE_RECIPES<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</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="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</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 class="Normal">if</span> <span class="Delimiter">(</span>callee<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span> - <span class="Identifier">return</span> callee<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>old_name != <span class="Constant">"local-scope"</span><span class="Delimiter">;</span> <span class="Comment">// callees that call local-scope are already dealt with before return</span> -<span class="Delimiter">}</span> - -<span class="Normal">bool</span> caller_uses_product<span class="Delimiter">(</span><span class="Normal">int</span> product_index<span class="Delimiter">)</span> <span class="Delimiter">{</span> - assert<span class="Delimiter">(</span>Current_routine<span class="Delimiter">);</span> <span class="Comment">// run-time only</span> - assert<span class="Delimiter">(</span>!Current_routine<span class="Delimiter">-></span>calls<span class="Delimiter">.</span>empty<span class="Delimiter">());</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>Current_routine<span class="Delimiter">-></span>calls<span class="Delimiter">.</span>size<span class="Delimiter">()</span> == <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> - <span class="Normal">const</span> call& caller = *++Current_routine<span class="Delimiter">-></span>calls<span class="Delimiter">.</span>begin<span class="Delimiter">();</span> - <span class="Normal">const</span> instruction& caller_inst = to_instruction<span class="Delimiter">(</span>caller<span class="Delimiter">);</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>product_index >= SIZE<span class="Delimiter">(</span>caller_inst<span class="Delimiter">.</span>products<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> - <span class="Identifier">return</span> !is_dummy<span class="Delimiter">(</span>caller_inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>product_index<span class="Delimiter">));</span> -<span class="Delimiter">}</span> - -<span class="Normal">void</span> rewrite_default_space_instruction<span class="Delimiter">(</span>instruction& curr<span class="Delimiter">)</span> <span class="Delimiter">{</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>!curr<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> - raise << to_original_string<span class="Delimiter">(</span>curr<span class="Delimiter">)</span> << <span class="Constant">" can't take any ingredients</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> - curr<span class="Delimiter">.</span>name = <span class="Constant">"new"</span><span class="Delimiter">;</span> - <span class="Constant">curr.ingredients.push_back(reagent("location:type</span><span class="Constant">"));</span> - <span class="Constant">curr.ingredients.push_back(reagent("number-of-locals:literal</span><span class="Constant">"));</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>!curr<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> - raise << <span class="Constant">"new-default-space can't take any results</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> - curr<span class="Delimiter">.</span>products<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>reagent<span class="Delimiter">(</span><span class="Constant">"default-space:space"</span><span class="Delimiter">));</span> -<span class="Delimiter">}</span> - -<span class="Delimiter">:(scenario local_scope_frees_up_addresses_inside_containers)</span> -<span class="muData">container</span> foo [ - <span class="Normal">x</span>:num - <span class="Normal">y</span>:&:num -] -<span class="muRecipe">def</span> main [ - local-scope - <span class="Normal">x</span>:&:num<span class="Special"> <- </span><span class="Normal">new</span> <span class="Constant">number:type</span> - <span class="Normal">y</span>:foo<span class="Special"> <- </span>merge <span class="Constant">34</span><span class="Delimiter">,</span> x:&:num - <span class="Comment"># x and y are both cleared when main returns</span> -] -<span class="traceContains">+mem: clearing x:&:num</span> -<span class="traceContains">+mem: decrementing refcount of 1006: 2 -> 1</span> -<span class="traceContains">+mem: clearing y:foo</span> -<span class="traceContains">+mem: decrementing refcount of 1006: 1 -> 0</span> -<span class="traceContains">+mem: automatically abandoning 1006</span> - -<span class="Delimiter">:(scenario local_scope_returns_addresses_inside_containers)</span> -<span class="muData">container</span> foo [ - <span class="Normal">x</span>:num - <span class="Normal">y</span>:&:num -] -<span class="muRecipe">def</span> f [ - local-scope - <span class="Normal">x</span>:&:num<span class="Special"> <- </span><span class="Normal">new</span> <span class="Constant">number:type</span> - *x:&:num<span class="Special"> <- </span>copy <span class="Constant">12</span> - <span class="Normal">y</span>:foo<span class="Special"> <- </span>merge <span class="Constant">34</span><span class="Delimiter">,</span> x:&:num - <span class="Comment"># since y is 'escaping' f, it should not be cleared</span> - <span class="Identifier">return</span> y:foo -] -<span class="muRecipe">def</span> main [ - <span class="Constant">1</span>:foo<span class="Special"> <- </span>f - <span class="Constant">3</span>:num<span class="Special"> <- </span>get <span class="Constant">1</span>:foo<span class="Delimiter">,</span> <span class="Constant">x:offset</span> - <span class="Constant">4</span>:&:num<span class="Special"> <- </span>get <span class="Constant">1</span>:foo<span class="Delimiter">,</span> <span class="Constant">y:offset</span> - <span class="Constant">5</span>:num<span class="Special"> <- </span>copy *<span class="Constant">4</span>:&:num - <span class="Constant">1</span>:foo<span class="Special"> <- </span>put <span class="Constant">1</span>:foo<span class="Delimiter">,</span> <span class="Constant">y:offset</span><span class="Delimiter">,</span> <span class="Constant">0</span> - <span class="Constant">4</span>:&:num<span class="Special"> <- </span>copy <span class="Constant">0</span> -] -<span class="traceContains">+mem: storing 34 in location 1</span> -<span class="traceContains">+mem: storing 1006 in location 2</span> -<span class="traceContains">+mem: storing 34 in location 3</span> -<span class="Comment"># refcount of 1:foo shouldn't include any stray ones from f</span> -<span class="traceContains">+run: {4: ("address" "number")} <- get {1: "foo"}, {y: "offset"}</span> -<span class="traceContains">+mem: incrementing refcount of 1006: 1 -> 2</span> -<span class="Comment"># 1:foo wasn't abandoned/cleared</span> -<span class="traceContains">+run: {5: "number"} <- copy {4: ("address" "number"), "lookup": ()}</span> -<span class="traceContains">+mem: storing 12 in location 5</span> -<span class="traceContains">+run: {1: "foo"} <- put {1: "foo"}, {y: "offset"}, {0: "literal"}</span> -<span class="traceContains">+mem: decrementing refcount of 1006: 2 -> 1</span> -<span class="traceContains">+run: {4: ("address" "number")} <- copy {0: "literal"}</span> -<span class="traceContains">+mem: decrementing refcount of 1006: 1 -> 0</span> -<span class="traceContains">+mem: automatically abandoning 1006</span> - -<span class="Delimiter">:(scenario local_scope_claims_return_values_when_not_saved)</span> -<span class="muRecipe">def</span> f [ - local-scope - <span class="Normal">x</span>:&:num<span class="Special"> <- </span><span class="Normal">new</span> <span class="Constant">number:type</span> - <span class="Identifier">return</span> x:&:num -] -<span class="muRecipe">def</span> main [ - f <span class="Comment"># doesn't save result</span> -] -<span class="Comment"># x reclaimed</span> -<span class="traceContains">+mem: automatically abandoning 1004</span> -<span class="Comment"># f's local scope reclaimed</span> -<span class="traceContains">+mem: automatically abandoning 1000</span> - -<span class="SalientComment">//:: all recipes must set default-space one way or another</span> - -<span class="Delimiter">:(before "End Globals")</span> -<span class="Normal">bool</span> Hide_missing_default_space_errors = <span class="Constant">true</span><span class="Delimiter">;</span> -<span class="Delimiter">:(before "End Checks")</span> -Transform<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>check_default_space<span class="Delimiter">);</span> <span class="Comment">// idempotent</span> -<span class="Delimiter">:(code)</span> -<span class="Normal">void</span> check_default_space<span class="Delimiter">(</span><span class="Normal">const</span> recipe_ordinal r<span class="Delimiter">)</span> <span class="Delimiter">{</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>Hide_missing_default_space_errors<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// skip previous core tests; this is only for Mu code</span> - <span class="Normal">const</span> recipe& caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span> - <span class="Comment">// End check_default_space Special-cases</span> - <span class="Comment">// assume recipes with only numeric addresses know what they're doing (usually tests)</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_non_special_name<span class="Delimiter">(</span>r<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span> - trace<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">"--- check that recipe "</span> << caller<span class="Delimiter">.</span>name << <span class="Constant">" sets default-space"</span> << end<span class="Delimiter">();</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">()</span> - || caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name != <span class="Constant">"default-space"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> - raise << caller<span class="Delimiter">.</span>name << <span class="Constant">" does not seem to start with default-space or local-scope</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> - <span class="Delimiter">}</span> -<span class="Delimiter">}</span> -<span class="Delimiter">:(after "Load Mu Prelude")</span> -Hide_missing_default_space_errors = <span class="Constant">false</span><span class="Delimiter">;</span> -<span class="Delimiter">:(after "Test Runs")</span> -Hide_missing_default_space_errors = <span class="Constant">true</span><span class="Delimiter">;</span> -<span class="Delimiter">:(after "Running Main")</span> -Hide_missing_default_space_errors = <span class="Constant">false</span><span class="Delimiter">;</span> - -<span class="Delimiter">:(code)</span> -<span class="Normal">bool</span> contains_non_special_name<span class="Delimiter">(</span><span class="Normal">const</span> recipe_ordinal r<span class="Delimiter">)</span> <span class="Delimiter">{</span> - <span class="Normal">for</span> <span class="Delimiter">(</span>map<string<span class="Delimiter">,</span> <span class="Normal">int</span>>::iterator p = Name[r]<span class="Delimiter">.</span>begin<span class="Delimiter">();</span> p != Name[r]<span class="Delimiter">.</span>end<span class="Delimiter">();</span> ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">-></span>first<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">-></span>first<span class="Delimiter">.</span>find<span class="Delimiter">(</span><span class="Constant">"stash_"</span><span class="Delimiter">)</span> == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span class="Comment">// generated by rewrite_stashes_to_text (cross-layer)</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>!is_special_name<span class="Delimiter">(</span>p<span class="Delimiter">-></span>first<span class="Delimiter">))</span> - <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span> - <span class="Delimiter">}</span> - <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> -<span class="Delimiter">}</span> - -<span class="Comment">// reagent comparison -- only between reagents in a single recipe</span> -<span class="Normal">bool</span> <span class="Normal">operator</span>==<span class="Delimiter">(</span><span class="Normal">const</span> reagent& a<span class="Delimiter">,</span> <span class="Normal">const</span> reagent& b<span class="Delimiter">)</span> <span class="Delimiter">{</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>a<span class="Delimiter">.</span>name != b<span class="Delimiter">.</span>name<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>property<span class="Delimiter">(</span>a<span class="Delimiter">,</span> <span class="Constant">"space"</span><span class="Delimiter">)</span> != property<span class="Delimiter">(</span>b<span class="Delimiter">,</span> <span class="Constant">"space"</span><span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> - <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span> -<span class="Delimiter">}</span> - -<span class="Normal">bool</span> <span class="Normal">operator</span><<span class="Delimiter">(</span><span class="Normal">const</span> reagent& a<span class="Delimiter">,</span> <span class="Normal">const</span> reagent& b<span class="Delimiter">)</span> <span class="Delimiter">{</span> - <span class="Normal">int</span> aspace = <span class="Constant">0</span><span class="Delimiter">,</span> bspace = <span class="Constant">0</span><span class="Delimiter">;</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>has_property<span class="Delimiter">(</span>a<span class="Delimiter">,</span> <span class="Constant">"space"</span><span class="Delimiter">))</span> aspace = to_integer<span class="Delimiter">(</span>property<span class="Delimiter">(</span>a<span class="Delimiter">,</span> <span class="Constant">"space"</span><span class="Delimiter">)-></span>value<span class="Delimiter">);</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>has_property<span class="Delimiter">(</span>b<span class="Delimiter">,</span> <span class="Constant">"space"</span><span class="Delimiter">))</span> bspace = to_integer<span class="Delimiter">(</span>property<span class="Delimiter">(</span>b<span class="Delimiter">,</span> <span class="Constant">"space"</span><span class="Delimiter">)-></span>value<span class="Delimiter">);</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>aspace != bspace<span class="Delimiter">)</span> <span class="Identifier">return</span> aspace < bspace<span class="Delimiter">;</span> - <span class="Identifier">return</span> a<span class="Delimiter">.</span>name < b<span class="Delimiter">.</span>name<span class="Delimiter">;</span> -<span class="Delimiter">}</span> +<a name="L1"></a><span id="L1" class="LineNr"> 1 </span><span class="Comment">//: Spaces help isolate recipes from each other. You can create them at will,</span> +<a name="L2"></a><span id="L2" class="LineNr"> 2 </span><span class="Comment">//: and all addresses in arguments are implicitly based on the 'default-space'</span> +<a name="L3"></a><span id="L3" class="LineNr"> 3 </span><span class="Comment">//: (unless they have the /raw property)</span> +<a name="L4"></a><span id="L4" class="LineNr"> 4 </span> +<a name="L5"></a><span id="L5" class="LineNr"> 5 </span><span class="Comment">//: A space is just an array of any scalar location.</span> +<a name="L6"></a><span id="L6" class="LineNr"> 6 </span><span class="Delimiter">:(before "End Mu Types Initialization")</span> +<a name="L7"></a><span id="L7" class="LineNr"> 7 </span>put<span class="Delimiter">(</span>Type_abbreviations<span class="Delimiter">,</span> <span class="Constant">"space"</span><span class="Delimiter">,</span> new_type_tree<span class="Delimiter">(</span><span class="Constant">"address:array:location"</span><span class="Delimiter">));</span> +<a name="L8"></a><span id="L8" class="LineNr"> 8 </span><span class="Comment">//: Spaces are often called 'scopes' in other languages.</span> +<a name="L9"></a><span id="L9" class="LineNr"> 9 </span>put<span class="Delimiter">(</span>Type_abbreviations<span class="Delimiter">,</span> <span class="Constant">"scope"</span><span class="Delimiter">,</span> new_type_tree<span class="Delimiter">(</span><span class="Constant">"address:array:location"</span><span class="Delimiter">));</span> +<a name="L10"></a><span id="L10" class="LineNr"> 10 </span> +<a name="L11"></a><span id="L11" class="LineNr"> 11 </span><span class="Delimiter">:(scenario set_default_space)</span> +<a name="L12"></a><span id="L12" class="LineNr"> 12 </span><span class="Comment"># if default-space is 10, and if an array of 5 locals lies from location 12 to 16 (inclusive),</span> +<a name="L13"></a><span id="L13" class="LineNr"> 13 </span><span class="Comment"># then local 0 is really location 12, local 1 is really location 13, and so on.</span> +<a name="L14"></a><span id="L14" class="LineNr"> 14 </span><span class="muRecipe">def</span> main [ +<a name="L15"></a><span id="L15" class="LineNr"> 15 </span> <span class="Comment"># pretend address:array:location; in practice we'll use new</span> +<a name="L16"></a><span id="L16" class="LineNr"> 16 </span> <span class="Constant">10</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span> <span class="Comment"># refcount</span> +<a name="L17"></a><span id="L17" class="LineNr"> 17 </span> <span class="Constant">11</span>:num<span class="Special"> <- </span>copy <span class="Constant">5</span> <span class="Comment"># length</span> +<a name="L18"></a><span id="L18" class="LineNr"> 18 </span> <span class="Normal">default</span>-space:space<span class="Special"> <- </span>copy <span class="Constant">10</span>/unsafe +<a name="L19"></a><span id="L19" class="LineNr"> 19 </span> <span class="Constant">1</span>:num<span class="Special"> <- </span>copy <span class="Constant">23</span> +<a name="L20"></a><span id="L20" class="LineNr"> 20 </span>] +<a name="L21"></a><span id="L21" class="LineNr"> 21 </span><span class="traceContains">+mem: storing 23 in location 13</span> +<a name="L22"></a><span id="L22" class="LineNr"> 22 </span> +<a name="L23"></a><span id="L23" class="LineNr"> 23 </span><span class="Delimiter">:(scenario lookup_sidesteps_default_space)</span> +<a name="L24"></a><span id="L24" class="LineNr"> 24 </span><span class="muRecipe">def</span> main [ +<a name="L25"></a><span id="L25" class="LineNr"> 25 </span> <span class="Comment"># pretend pointer from outside (2000 reserved for refcount)</span> +<a name="L26"></a><span id="L26" class="LineNr"> 26 </span> <span class="Constant">2001</span>:num<span class="Special"> <- </span>copy <span class="Constant">34</span> +<a name="L27"></a><span id="L27" class="LineNr"> 27 </span> <span class="Comment"># pretend address:array:location; in practice we'll use new</span> +<a name="L28"></a><span id="L28" class="LineNr"> 28 </span> <span class="Constant">1000</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span> <span class="Comment"># refcount</span> +<a name="L29"></a><span id="L29" class="LineNr"> 29 </span> <span class="Constant">1001</span>:num<span class="Special"> <- </span>copy <span class="Constant">5</span> <span class="Comment"># length</span> +<a name="L30"></a><span id="L30" class="LineNr"> 30 </span> <span class="Comment"># actual start of this recipe</span> +<a name="L31"></a><span id="L31" class="LineNr"> 31 </span> <span class="Normal">default</span>-space:space<span class="Special"> <- </span>copy <span class="Constant">1000</span>/unsafe +<a name="L32"></a><span id="L32" class="LineNr"> 32 </span> <span class="Constant">1</span>:&:num<span class="Special"> <- </span>copy <span class="Constant">2000</span>/unsafe <span class="Comment"># even local variables always contain raw addresses</span> +<a name="L33"></a><span id="L33" class="LineNr"> 33 </span> <span class="Constant">8</span>:num/<span class="Special">raw <- </span>copy *<span class="Constant">1</span>:&:num +<a name="L34"></a><span id="L34" class="LineNr"> 34 </span>] +<a name="L35"></a><span id="L35" class="LineNr"> 35 </span><span class="traceContains">+mem: storing 34 in location 8</span> +<a name="L36"></a><span id="L36" class="LineNr"> 36 </span> +<a name="L37"></a><span id="L37" class="LineNr"> 37 </span><span class="SalientComment">//:: first disable name conversion for 'default-space'</span> +<a name="L38"></a><span id="L38" class="LineNr"> 38 </span><span class="Delimiter">:(scenario convert_names_passes_default_space)</span> +<a name="L39"></a><span id="L39" class="LineNr"> 39 </span><span class="Special">% Hide_errors = true;</span> +<a name="L40"></a><span id="L40" class="LineNr"> 40 </span><span class="muRecipe">def</span> main [ +<a name="L41"></a><span id="L41" class="LineNr"> 41 </span> <span class="Normal">default</span>-space:num<span class="Delimiter">,</span> x:num<span class="Special"> <- </span>copy <span class="Constant">0</span><span class="Delimiter">,</span> <span class="Constant">1</span> +<a name="L42"></a><span id="L42" class="LineNr"> 42 </span>] +<a name="L43"></a><span id="L43" class="LineNr"> 43 </span><span class="traceContains">+name: assign x 1</span> +<a name="L44"></a><span id="L44" class="LineNr"> 44 </span><span class="traceAbsent">-name: assign default-space 1</span> +<a name="L45"></a><span id="L45" class="LineNr"> 45 </span> +<a name="L46"></a><span id="L46" class="LineNr"> 46 </span><span class="Delimiter">:(before "End is_disqualified Special-cases")</span> +<a name="L47"></a><span id="L47" class="LineNr"> 47 </span><span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>name == <span class="Constant">"default-space"</span><span class="Delimiter">)</span> +<a name="L48"></a><span id="L48" class="LineNr"> 48 </span> x<span class="Delimiter">.</span>initialized = <span class="Constant">true</span><span class="Delimiter">;</span> +<a name="L49"></a><span id="L49" class="LineNr"> 49 </span><span class="Delimiter">:(before "End is_special_name Special-cases")</span> +<a name="L50"></a><span id="L50" class="LineNr"> 50 </span><span class="Normal">if</span> <span class="Delimiter">(</span>s == <span class="Constant">"default-space"</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span> +<a name="L51"></a><span id="L51" class="LineNr"> 51 </span> +<a name="L52"></a><span id="L52" class="LineNr"> 52 </span><span class="SalientComment">//:: now implement space support</span> +<a name="L53"></a><span id="L53" class="LineNr"> 53 </span><span class="Delimiter">:(before "End call Fields")</span> +<a name="L54"></a><span id="L54" class="LineNr"> 54 </span><span class="Normal">int</span> default_space<span class="Delimiter">;</span> +<a name="L55"></a><span id="L55" class="LineNr"> 55 </span><span class="Delimiter">:(before "End call Constructor")</span> +<a name="L56"></a><span id="L56" class="LineNr"> 56 </span>default_space = <span class="Constant">0</span><span class="Delimiter">;</span> +<a name="L57"></a><span id="L57" class="LineNr"> 57 </span> +<a name="L58"></a><span id="L58" class="LineNr"> 58 </span><span class="Delimiter">:(before "End canonize(x) Special-cases")</span> +<a name="L59"></a><span id="L59" class="LineNr"> 59 </span>absolutize<span class="Delimiter">(</span>x<span class="Delimiter">);</span> +<a name="L60"></a><span id="L60" class="LineNr"> 60 </span><span class="Delimiter">:(code)</span> +<a name="L61"></a><span id="L61" class="LineNr"> 61 </span><span class="Normal">void</span> absolutize<span class="Delimiter">(</span>reagent& x<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<a name="L62"></a><span id="L62" class="LineNr"> 62 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_raw<span class="Delimiter">(</span>x<span class="Delimiter">)</span> || is_dummy<span class="Delimiter">(</span>x<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<a name="L63"></a><span id="L63" class="LineNr"> 63 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>name == <span class="Constant">"default-space"</span><span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<a name="L64"></a><span id="L64" class="LineNr"> 64 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>initialized<span class="Delimiter">)</span> +<a name="L65"></a><span id="L65" class="LineNr"> 65 </span> raise << to_original_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> << <span class="Constant">": reagent not initialized: '"</span> << x<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> +<a name="L66"></a><span id="L66" class="LineNr"> 66 </span> x<span class="Delimiter">.</span>set_value<span class="Delimiter">(</span>address<span class="Delimiter">(</span>x<span class="Delimiter">.</span>value<span class="Delimiter">,</span> space_base<span class="Delimiter">(</span>x<span class="Delimiter">)));</span> +<a name="L67"></a><span id="L67" class="LineNr"> 67 </span> x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pair<string<span class="Delimiter">,</span> string_tree*><span class="Delimiter">(</span><span class="Constant">"raw"</span><span class="Delimiter">,</span> <span class="Constant">NULL</span><span class="Delimiter">));</span> +<a name="L68"></a><span id="L68" class="LineNr"> 68 </span> assert<span class="Delimiter">(</span>is_raw<span class="Delimiter">(</span>x<span class="Delimiter">));</span> +<a name="L69"></a><span id="L69" class="LineNr"> 69 </span><span class="Delimiter">}</span> +<a name="L70"></a><span id="L70" class="LineNr"> 70 </span> +<a name="L71"></a><span id="L71" class="LineNr"> 71 </span><span class="Comment">//: hook replaced in a later layer</span> +<a name="L72"></a><span id="L72" class="LineNr"> 72 </span><span class="Normal">int</span> space_base<span class="Delimiter">(</span><span class="Normal">const</span> reagent& x<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<a name="L73"></a><span id="L73" class="LineNr"> 73 </span> <span class="Identifier">return</span> current_call<span class="Delimiter">().</span>default_space ? <span class="Delimiter">(</span>current_call<span class="Delimiter">().</span>default_space+<span class="Comment">/*</span><span class="Comment">skip refcount</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">)</span> : <span class="Constant">0</span><span class="Delimiter">;</span> +<a name="L74"></a><span id="L74" class="LineNr"> 74 </span><span class="Delimiter">}</span> +<a name="L75"></a><span id="L75" class="LineNr"> 75 </span> +<a name="L76"></a><span id="L76" class="LineNr"> 76 </span><span class="Normal">int</span> address<span class="Delimiter">(</span><span class="Normal">int</span> offset<span class="Delimiter">,</span> <span class="Normal">int</span> base<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<a name="L77"></a><span id="L77" class="LineNr"> 77 </span> assert<span class="Delimiter">(</span>offset >= <span class="Constant">0</span><span class="Delimiter">);</span> +<a name="L78"></a><span id="L78" class="LineNr"> 78 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>base == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span> offset<span class="Delimiter">;</span> <span class="Comment">// raw</span> +<a name="L79"></a><span id="L79" class="LineNr"> 79 </span> <span class="Normal">int</span> size = get_or_insert<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> base<span class="Delimiter">);</span> +<a name="L80"></a><span id="L80" class="LineNr"> 80 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>offset >= size<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<a name="L81"></a><span id="L81" class="LineNr"> 81 </span> <span class="Comment">// todo: test</span> +<a name="L82"></a><span id="L82" class="LineNr"> 82 </span> raise << <span class="Constant">"location "</span> << offset << <span class="Constant">" is out of bounds "</span> << size << <span class="Constant">" at "</span> << base << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span> +<a name="L83"></a><span id="L83" class="LineNr"> 83 </span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span> +<a name="L84"></a><span id="L84" class="LineNr"> 84 </span> <span class="Delimiter">}</span> +<a name="L85"></a><span id="L85" class="LineNr"> 85 </span> <span class="Identifier">return</span> base + <span class="Comment">/*</span><span class="Comment">skip length</span><span class="Comment">*/</span><span class="Constant">1</span> + offset<span class="Delimiter">;</span> +<a name="L86"></a><span id="L86" class="LineNr"> 86 </span><span class="Delimiter">}</span> +<a name="L87"></a><span id="L87" class="LineNr"> 87 </span> +<a name="L88"></a><span id="L88" class="LineNr"> 88 </span><span class="SalientComment">//:: reads and writes to the 'default-space' variable have special behavior</span> +<a name="L89"></a><span id="L89" class="LineNr"> 89 </span> +<a name="L90"></a><span id="L90" class="LineNr"> 90 </span><span class="Delimiter">:(after "Begin Preprocess write_memory(x, data)")</span> +<a name="L91"></a><span id="L91" class="LineNr"> 91 </span><span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>name == <span class="Constant">"default-space"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> +<a name="L92"></a><span id="L92" class="LineNr"> 92 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!scalar<span class="Delimiter">(</span>data<span class="Delimiter">)</span> || !is_space<span class="Delimiter">(</span>x<span class="Delimiter">))</span> +<a name="L93"></a><span id="L93" class="LineNr"> 93 </span> raise << maybe<span class="Delimiter">(</span>current_recipe_name<span class="Delimiter">())</span> << <span class="Constant">"'default-space' should be of type address:array:location, but is "</span> << to_string<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span> +<a name="L94"></a><span id="L94" class="LineNr"> 94 </span> current_call<span class="Delimiter">().</span>default_space = data<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> +<a name="L95"></a><span id="L95" class="LineNr"> 95 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<a name="L96"></a><span id="L96" class="LineNr"> 96 </span><span class="Delimiter">}</span> +<a name="L97"></a><span id="L97" class="LineNr"> 97 </span><span class="Delimiter">:(code)</span> +<a name="L98"></a><span id="L98" class="LineNr"> 98 </span><span class="Normal">bool</span> is_space<span class="Delimiter">(</span><span class="Normal">const</span> reagent& r<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<a name="L99"></a><span id="L99" class="LineNr"> 99 </span> <span class="Identifier">return</span> is_address_of_array_of_numbers<span class="Delimiter">(</span>r<span class="Delimiter">);</span> +<a name="L100"></a><span id="L100" class="LineNr">100 </span><span class="Delimiter">}</span> +<a name="L101"></a><span id="L101" class="LineNr">101 </span> +<a name="L102"></a><span id="L102" class="LineNr">102 </span><span class="Delimiter">:(scenario get_default_space)</span> +<a name="L103"></a><span id="L103" class="LineNr">103 </span><span class="muRecipe">def</span> main [ +<a name="L104"></a><span id="L104" class="LineNr">104 </span> <span class="Normal">default</span>-space:space<span class="Special"> <- </span>copy <span class="Constant">10</span>/unsafe +<a name="L105"></a><span id="L105" class="LineNr">105 </span> <span class="Constant">1</span>:space/<span class="Special">raw <- </span>copy <span class="Normal">default</span>-space:space +<a name="L106"></a><span id="L106" class="LineNr">106 </span>] +<a name="L107"></a><span id="L107" class="LineNr">107 </span><span class="traceContains">+mem: storing 10 in location 1</span> +<a name="L108"></a><span id="L108" class="LineNr">108 </span> +<a name="L109"></a><span id="L109" class="LineNr">109 </span><span class="Delimiter">:(after "Begin Preprocess read_memory(x)")</span> +<a name="L110"></a><span id="L110" class="LineNr">110 </span><span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>name == <span class="Constant">"default-space"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> +<a name="L111"></a><span id="L111" class="LineNr">111 </span> vector<<span class="Normal">double</span>> result<span class="Delimiter">;</span> +<a name="L112"></a><span id="L112" class="LineNr">112 </span> result<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>current_call<span class="Delimiter">().</span>default_space<span class="Delimiter">);</span> +<a name="L113"></a><span id="L113" class="LineNr">113 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span> +<a name="L114"></a><span id="L114" class="LineNr">114 </span><span class="Delimiter">}</span> +<a name="L115"></a><span id="L115" class="LineNr">115 </span> +<a name="L116"></a><span id="L116" class="LineNr">116 </span><span class="SalientComment">//:: fix 'get'</span> +<a name="L117"></a><span id="L117" class="LineNr">117 </span> +<a name="L118"></a><span id="L118" class="LineNr">118 </span><span class="Delimiter">:(scenario lookup_sidesteps_default_space_in_get)</span> +<a name="L119"></a><span id="L119" class="LineNr">119 </span><span class="muRecipe">def</span> main [ +<a name="L120"></a><span id="L120" class="LineNr">120 </span> <span class="Comment"># pretend pointer to container from outside (2000 reserved for refcount)</span> +<a name="L121"></a><span id="L121" class="LineNr">121 </span> <span class="Constant">2001</span>:num<span class="Special"> <- </span>copy <span class="Constant">34</span> +<a name="L122"></a><span id="L122" class="LineNr">122 </span> <span class="Constant">2002</span>:num<span class="Special"> <- </span>copy <span class="Constant">35</span> +<a name="L123"></a><span id="L123" class="LineNr">123 </span> <span class="Comment"># pretend address:array:location; in practice we'll use new</span> +<a name="L124"></a><span id="L124" class="LineNr">124 </span> <span class="Constant">1000</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span> <span class="Comment"># refcount</span> +<a name="L125"></a><span id="L125" class="LineNr">125 </span> <span class="Constant">1001</span>:num<span class="Special"> <- </span>copy <span class="Constant">5</span> <span class="Comment"># length</span> +<a name="L126"></a><span id="L126" class="LineNr">126 </span> <span class="Comment"># actual start of this recipe</span> +<a name="L127"></a><span id="L127" class="LineNr">127 </span> <span class="Normal">default</span>-space:space<span class="Special"> <- </span>copy <span class="Constant">1000</span>/unsafe +<a name="L128"></a><span id="L128" class="LineNr">128 </span> <span class="Constant">1</span>:&:point<span class="Special"> <- </span>copy <span class="Constant">2000</span>/unsafe +<a name="L129"></a><span id="L129" class="LineNr">129 </span> <span class="Constant">9</span>:num/<span class="Special">raw <- </span>get *<span class="Constant">1</span>:&:point<span class="Delimiter">,</span> <span class="Constant">1:offset</span> +<a name="L130"></a><span id="L130" class="LineNr">130 </span>] +<a name="L131"></a><span id="L131" class="LineNr">131 </span><span class="traceContains">+mem: storing 35 in location 9</span> +<a name="L132"></a><span id="L132" class="LineNr">132 </span> +<a name="L133"></a><span id="L133" class="LineNr">133 </span><span class="Delimiter">:(before "Read element" following "case GET:")</span> +<a name="L134"></a><span id="L134" class="LineNr">134 </span>element<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pair<string<span class="Delimiter">,</span> string_tree*><span class="Delimiter">(</span><span class="Constant">"raw"</span><span class="Delimiter">,</span> <span class="Constant">NULL</span><span class="Delimiter">));</span> +<a name="L135"></a><span id="L135" class="LineNr">135 </span> +<a name="L136"></a><span id="L136" class="LineNr">136 </span><span class="SalientComment">//:: fix 'index'</span> +<a name="L137"></a><span id="L137" class="LineNr">137 </span> +<a name="L138"></a><span id="L138" class="LineNr">138 </span><span class="Delimiter">:(scenario lookup_sidesteps_default_space_in_index)</span> +<a name="L139"></a><span id="L139" class="LineNr">139 </span><span class="muRecipe">def</span> main [ +<a name="L140"></a><span id="L140" class="LineNr">140 </span> <span class="Comment"># pretend pointer to array from outside (2000 reserved for refcount)</span> +<a name="L141"></a><span id="L141" class="LineNr">141 </span> <span class="Constant">2001</span>:num<span class="Special"> <- </span>copy <span class="Constant">2</span> <span class="Comment"># length</span> +<a name="L142"></a><span id="L142" class="LineNr">142 </span> <span class="Constant">2002</span>:num<span class="Special"> <- </span>copy <span class="Constant">34</span> +<a name="L143"></a><span id="L143" class="LineNr">143 </span> <span class="Constant">2003</span>:num<span class="Special"> <- </span>copy <span class="Constant">35</span> +<a name="L144"></a><span id="L144" class="LineNr">144 </span> <span class="Comment"># pretend address:array:location; in practice we'll use new</span> +<a name="L145"></a><span id="L145" class="LineNr">145 </span> <span class="Constant">1000</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span> <span class="Comment"># refcount</span> +<a name="L146"></a><span id="L146" class="LineNr">146 </span> <span class="Constant">1001</span>:num<span class="Special"> <- </span>copy <span class="Constant">5</span> <span class="Comment"># length</span> +<a name="L147"></a><span id="L147" class="LineNr">147 </span> <span class="Comment"># actual start of this recipe</span> +<a name="L148"></a><span id="L148" class="LineNr">148 </span> <span class="Normal">default</span>-space:space<span class="Special"> <- </span>copy <span class="Constant">1000</span>/unsafe +<a name="L149"></a><span id="L149" class="LineNr">149 </span> <span class="Constant">1</span>:&:@:num<span class="Special"> <- </span>copy <span class="Constant">2000</span>/unsafe +<a name="L150"></a><span id="L150" class="LineNr">150 </span> <span class="Constant">9</span>:num/<span class="Special">raw <- </span>index *<span class="Constant">1</span>:&:@:num<span class="Delimiter">,</span> <span class="Constant">1</span> +<a name="L151"></a><span id="L151" class="LineNr">151 </span>] +<a name="L152"></a><span id="L152" class="LineNr">152 </span><span class="traceContains">+mem: storing 35 in location 9</span> +<a name="L153"></a><span id="L153" class="LineNr">153 </span> +<a name="L154"></a><span id="L154" class="LineNr">154 </span><span class="Delimiter">:(before "Read element" following "case INDEX:")</span> +<a name="L155"></a><span id="L155" class="LineNr">155 </span>element<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pair<string<span class="Delimiter">,</span> string_tree*><span class="Delimiter">(</span><span class="Constant">"raw"</span><span class="Delimiter">,</span> <span class="Constant">NULL</span><span class="Delimiter">));</span> +<a name="L156"></a><span id="L156" class="LineNr">156 </span> +<a name="L157"></a><span id="L157" class="LineNr">157 </span><span class="SalientComment">//:: convenience operation to automatically deduce the amount of space to</span> +<a name="L158"></a><span id="L158" class="LineNr">158 </span><span class="SalientComment">//:: allocate in a default space with names</span> +<a name="L159"></a><span id="L159" class="LineNr">159 </span> +<a name="L160"></a><span id="L160" class="LineNr">160 </span><span class="Delimiter">:(scenario new_default_space)</span> +<a name="L161"></a><span id="L161" class="LineNr">161 </span><span class="muRecipe">def</span> main [ +<a name="L162"></a><span id="L162" class="LineNr">162 </span> <span class="Normal">new</span>-<span class="Normal">default</span>-space +<a name="L163"></a><span id="L163" class="LineNr">163 </span> <span class="Normal">x</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span> +<a name="L164"></a><span id="L164" class="LineNr">164 </span> <span class="Normal">y</span>:num<span class="Special"> <- </span>copy <span class="Constant">3</span> +<a name="L165"></a><span id="L165" class="LineNr">165 </span>] +<a name="L166"></a><span id="L166" class="LineNr">166 </span><span class="Comment"># allocate space for x and y, as well as the chaining slot at 0</span> +<a name="L167"></a><span id="L167" class="LineNr">167 </span><span class="traceContains">+mem: array length is 3</span> +<a name="L168"></a><span id="L168" class="LineNr">168 </span> +<a name="L169"></a><span id="L169" class="LineNr">169 </span><span class="Delimiter">:(before "End is_disqualified Special-cases")</span> +<a name="L170"></a><span id="L170" class="LineNr">170 </span><span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>name == <span class="Constant">"number-of-locals"</span><span class="Delimiter">)</span> +<a name="L171"></a><span id="L171" class="LineNr">171 </span> x<span class="Delimiter">.</span>initialized = <span class="Constant">true</span><span class="Delimiter">;</span> +<a name="L172"></a><span id="L172" class="LineNr">172 </span><span class="Delimiter">:(before "End is_special_name Special-cases")</span> +<a name="L173"></a><span id="L173" class="LineNr">173 </span><span class="Normal">if</span> <span class="Delimiter">(</span>s == <span class="Constant">"number-of-locals"</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span> +<a name="L174"></a><span id="L174" class="LineNr">174 </span> +<a name="L175"></a><span id="L175" class="LineNr">175 </span><span class="Delimiter">:(before "End Rewrite Instruction(curr, recipe result)")</span> +<a name="L176"></a><span id="L176" class="LineNr">176 </span><span class="Comment">// rewrite `new-default-space` to</span> +<a name="L177"></a><span id="L177" class="LineNr">177 </span><span class="Comment">// `default-space:space <- new location:type, number-of-locals:literal`</span> +<a name="L178"></a><span id="L178" class="LineNr">178 </span><span class="Comment">// where N is Name[recipe][""]</span> +<a name="L179"></a><span id="L179" class="LineNr">179 </span><span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">.</span>name == <span class="Constant">"new-default-space"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> +<a name="L180"></a><span id="L180" class="LineNr">180 </span> rewrite_default_space_instruction<span class="Delimiter">(</span>curr<span class="Delimiter">);</span> +<a name="L181"></a><span id="L181" class="LineNr">181 </span><span class="Delimiter">}</span> +<a name="L182"></a><span id="L182" class="LineNr">182 </span><span class="Delimiter">:(after "Begin Preprocess read_memory(x)")</span> +<a name="L183"></a><span id="L183" class="LineNr">183 </span><span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>name == <span class="Constant">"number-of-locals"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> +<a name="L184"></a><span id="L184" class="LineNr">184 </span> vector<<span class="Normal">double</span>> result<span class="Delimiter">;</span> +<a name="L185"></a><span id="L185" class="LineNr">185 </span> result<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>Name[get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> current_recipe_name<span class="Delimiter">())</span>][<span class="Constant">""</span>]<span class="Delimiter">);</span> +<a name="L186"></a><span id="L186" class="LineNr">186 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>result<span class="Delimiter">.</span>back<span class="Delimiter">()</span> == <span class="Constant">0</span><span class="Delimiter">)</span> +<a name="L187"></a><span id="L187" class="LineNr">187 </span> raise << <span class="Constant">"no space allocated for default-space in recipe "</span> << current_recipe_name<span class="Delimiter">()</span> << <span class="Constant">"; are you using names?</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> +<a name="L188"></a><span id="L188" class="LineNr">188 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span> +<a name="L189"></a><span id="L189" class="LineNr">189 </span><span class="Delimiter">}</span> +<a name="L190"></a><span id="L190" class="LineNr">190 </span><span class="Delimiter">:(after "Begin Preprocess write_memory(x, data)")</span> +<a name="L191"></a><span id="L191" class="LineNr">191 </span><span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>name == <span class="Constant">"number-of-locals"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> +<a name="L192"></a><span id="L192" class="LineNr">192 </span> raise << maybe<span class="Delimiter">(</span>current_recipe_name<span class="Delimiter">())</span> << <span class="Constant">"can't write to special name 'number-of-locals'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> +<a name="L193"></a><span id="L193" class="LineNr">193 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<a name="L194"></a><span id="L194" class="LineNr">194 </span><span class="Delimiter">}</span> +<a name="L195"></a><span id="L195" class="LineNr">195 </span> +<a name="L196"></a><span id="L196" class="LineNr">196 </span><span class="SalientComment">//:: 'local-scope' is like 'new-default-space' except that we'll reclaim the</span> +<a name="L197"></a><span id="L197" class="LineNr">197 </span><span class="SalientComment">//:: default-space when the routine exits</span> +<a name="L198"></a><span id="L198" class="LineNr">198 </span> +<a name="L199"></a><span id="L199" class="LineNr">199 </span><span class="Delimiter">:(scenario local_scope)</span> +<a name="L200"></a><span id="L200" class="LineNr">200 </span><span class="muRecipe">def</span> main [ +<a name="L201"></a><span id="L201" class="LineNr">201 </span> <span class="Constant">1</span>:&:@:location<span class="Special"> <- </span>foo +<a name="L202"></a><span id="L202" class="LineNr">202 </span> <span class="Constant">2</span>:&:@:location<span class="Special"> <- </span>foo +<a name="L203"></a><span id="L203" class="LineNr">203 </span> <span class="Constant">3</span>:<span class="Normal">bool</span><span class="Special"> <- </span>equal <span class="Constant">1</span>:&<span class="Delimiter">,</span> <span class="Constant">2</span>:& +<a name="L204"></a><span id="L204" class="LineNr">204 </span>] +<a name="L205"></a><span id="L205" class="LineNr">205 </span><span class="muRecipe">def</span> foo [ +<a name="L206"></a><span id="L206" class="LineNr">206 </span> local-scope +<a name="L207"></a><span id="L207" class="LineNr">207 </span> <span class="Normal">x</span>:num<span class="Special"> <- </span>copy <span class="Constant">34</span> +<a name="L208"></a><span id="L208" class="LineNr">208 </span> <span class="Identifier">return</span> <span class="Normal">default</span>-space:space +<a name="L209"></a><span id="L209" class="LineNr">209 </span>] +<a name="L210"></a><span id="L210" class="LineNr">210 </span><span class="Comment"># both calls to foo should have received the same default-space</span> +<a name="L211"></a><span id="L211" class="LineNr">211 </span><span class="traceContains">+mem: storing 1 in location 3</span> +<a name="L212"></a><span id="L212" class="LineNr">212 </span> +<a name="L213"></a><span id="L213" class="LineNr">213 </span><span class="Delimiter">:(scenario local_scope_frees_up_addresses)</span> +<a name="L214"></a><span id="L214" class="LineNr">214 </span><span class="muRecipe">def</span> main [ +<a name="L215"></a><span id="L215" class="LineNr">215 </span> local-scope +<a name="L216"></a><span id="L216" class="LineNr">216 </span> <span class="Normal">x</span>:text<span class="Special"> <- </span><span class="Normal">new</span> [abc] +<a name="L217"></a><span id="L217" class="LineNr">217 </span>] +<a name="L218"></a><span id="L218" class="LineNr">218 </span><span class="traceContains">+mem: clearing x:text</span> +<a name="L219"></a><span id="L219" class="LineNr">219 </span> +<a name="L220"></a><span id="L220" class="LineNr">220 </span><span class="Delimiter">:(before "End Rewrite Instruction(curr, recipe result)")</span> +<a name="L221"></a><span id="L221" class="LineNr">221 </span><span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">.</span>name == <span class="Constant">"local-scope"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> +<a name="L222"></a><span id="L222" class="LineNr">222 </span> rewrite_default_space_instruction<span class="Delimiter">(</span>curr<span class="Delimiter">);</span> +<a name="L223"></a><span id="L223" class="LineNr">223 </span><span class="Delimiter">}</span> +<a name="L224"></a><span id="L224" class="LineNr">224 </span> +<a name="L225"></a><span id="L225" class="LineNr">225 </span><span class="Comment">//: todo: do this in a transform, rather than magically in the 'return' instruction</span> +<a name="L226"></a><span id="L226" class="LineNr">226 </span><span class="Delimiter">:(after "Falling Through End Of Recipe")</span> +<a name="L227"></a><span id="L227" class="LineNr">227 </span>try_reclaim_locals<span class="Delimiter">();</span> +<a name="L228"></a><span id="L228" class="LineNr">228 </span><span class="Delimiter">:(after "Starting Reply")</span> +<a name="L229"></a><span id="L229" class="LineNr">229 </span>try_reclaim_locals<span class="Delimiter">();</span> +<a name="L230"></a><span id="L230" class="LineNr">230 </span> +<a name="L231"></a><span id="L231" class="LineNr">231 </span><span class="Delimiter">:(code)</span> +<a name="L232"></a><span id="L232" class="LineNr">232 </span><span class="Normal">void</span> try_reclaim_locals<span class="Delimiter">()</span> <span class="Delimiter">{</span> +<a name="L233"></a><span id="L233" class="LineNr">233 </span> <span class="Comment">// only reclaim routines starting with 'local-scope'</span> +<a name="L234"></a><span id="L234" class="LineNr">234 </span> <span class="Normal">const</span> recipe_ordinal r = get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> current_recipe_name<span class="Delimiter">());</span> +<a name="L235"></a><span id="L235" class="LineNr">235 </span> <span class="Normal">const</span> recipe& exiting_recipe = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span> +<a name="L236"></a><span id="L236" class="LineNr">236 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>exiting_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<a name="L237"></a><span id="L237" class="LineNr">237 </span> <span class="Normal">const</span> instruction& inst = exiting_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> +<a name="L238"></a><span id="L238" class="LineNr">238 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>old_name != <span class="Constant">"local-scope"</span><span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<a name="L239"></a><span id="L239" class="LineNr">239 </span> <span class="Comment">// reclaim any local variables unless they're being returned</span> +<a name="L240"></a><span id="L240" class="LineNr">240 </span> vector<<span class="Normal">double</span>> zeros<span class="Delimiter">;</span> +<a name="L241"></a><span id="L241" class="LineNr">241 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/*</span><span class="Comment">leave default space for last</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>exiting_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<a name="L242"></a><span id="L242" class="LineNr">242 </span> <span class="Normal">const</span> instruction& inst = exiting_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> +<a name="L243"></a><span id="L243" class="LineNr">243 </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 < SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<a name="L244"></a><span id="L244" class="LineNr">244 </span> <span class="Normal">const</span> reagent& product = inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> +<a name="L245"></a><span id="L245" class="LineNr">245 </span> <span class="Comment">// local variables only</span> +<a name="L246"></a><span id="L246" class="LineNr">246 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_property<span class="Delimiter">(</span>product<span class="Delimiter">,</span> <span class="Constant">"lookup"</span><span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> +<a name="L247"></a><span id="L247" class="LineNr">247 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_property<span class="Delimiter">(</span>product<span class="Delimiter">,</span> <span class="Constant">"raw"</span><span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span class="Comment">// tests often want to check such locations after they run</span> +<a name="L248"></a><span id="L248" class="LineNr">248 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>escaping<span class="Delimiter">(</span>product<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> +<a name="L249"></a><span id="L249" class="LineNr">249 </span> <span class="Comment">// End Checks For Reclaiming Locals</span> +<a name="L250"></a><span id="L250" class="LineNr">250 </span> trace<span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">"mem"</span><span class="Delimiter">)</span> << <span class="Constant">"clearing "</span> << product<span class="Delimiter">.</span>original_string << end<span class="Delimiter">();</span> +<a name="L251"></a><span id="L251" class="LineNr">251 </span> zeros<span class="Delimiter">.</span>resize<span class="Delimiter">(</span>size_of<span class="Delimiter">(</span>product<span class="Delimiter">));</span> +<a name="L252"></a><span id="L252" class="LineNr">252 </span> write_memory<span class="Delimiter">(</span>product<span class="Delimiter">,</span> zeros<span class="Delimiter">);</span> +<a name="L253"></a><span id="L253" class="LineNr">253 </span> <span class="Delimiter">}</span> +<a name="L254"></a><span id="L254" class="LineNr">254 </span> <span class="Delimiter">}</span> +<a name="L255"></a><span id="L255" class="LineNr">255 </span> trace<span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">"mem"</span><span class="Delimiter">)</span> << <span class="Constant">"automatically abandoning "</span> << current_call<span class="Delimiter">().</span>default_space << end<span class="Delimiter">();</span> +<a name="L256"></a><span id="L256" class="LineNr">256 </span> abandon<span class="Delimiter">(</span>current_call<span class="Delimiter">().</span>default_space<span class="Delimiter">,</span> +<a name="L257"></a><span id="L257" class="LineNr">257 </span> inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>type<span class="Delimiter">-></span>right<span class="Delimiter">,</span> +<a name="L258"></a><span id="L258" class="LineNr">258 </span> <span class="Comment">/*</span><span class="Comment">refcount</span><span class="Comment">*/</span><span class="Constant">1</span> + <span class="Comment">/*</span><span class="Comment">array length</span><span class="Comment">*/</span><span class="Constant">1</span> + <span class="Comment">/*</span><span class="Comment">number-of-locals</span><span class="Comment">*/</span>Name[r][<span class="Constant">""</span>]<span class="Delimiter">);</span> +<a name="L259"></a><span id="L259" class="LineNr">259 </span><span class="Delimiter">}</span> +<a name="L260"></a><span id="L260" class="LineNr">260 </span> +<a name="L261"></a><span id="L261" class="LineNr">261 </span><span class="Delimiter">:(code)</span> +<a name="L262"></a><span id="L262" class="LineNr">262 </span><span class="Comment">// is this reagent one of the values returned by the current (return) instruction?</span> +<a name="L263"></a><span id="L263" class="LineNr">263 </span><span class="Comment">// is the corresponding ingredient saved in the caller?</span> +<a name="L264"></a><span id="L264" class="LineNr">264 </span><span class="Normal">bool</span> escaping<span class="Delimiter">(</span><span class="Normal">const</span> reagent& r<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<a name="L265"></a><span id="L265" class="LineNr">265 </span> assert<span class="Delimiter">(</span>Current_routine<span class="Delimiter">);</span> <span class="Comment">// run-time only</span> +<a name="L266"></a><span id="L266" class="LineNr">266 </span> <span class="Comment">// nothing escapes when you fall through past end of recipe</span> +<a name="L267"></a><span id="L267" class="LineNr">267 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>current_step_index<span class="Delimiter">()</span> >= SIZE<span class="Delimiter">(</span>Current_routine<span class="Delimiter">-></span>steps<span class="Delimiter">()))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> +<a name="L268"></a><span id="L268" class="LineNr">268 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">long</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<a name="L269"></a><span id="L269" class="LineNr">269 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>r == current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> <span class="Delimiter">{</span> +<a name="L270"></a><span id="L270" class="LineNr">270 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>caller_uses_product<span class="Delimiter">(</span>i<span class="Delimiter">))</span> +<a name="L271"></a><span id="L271" class="LineNr">271 </span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span> +<a name="L272"></a><span id="L272" class="LineNr">272 </span> <span class="Delimiter">}</span> +<a name="L273"></a><span id="L273" class="LineNr">273 </span> <span class="Delimiter">}</span> +<a name="L274"></a><span id="L274" class="LineNr">274 </span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> +<a name="L275"></a><span id="L275" class="LineNr">275 </span><span class="Delimiter">}</span> +<a name="L276"></a><span id="L276" class="LineNr">276 </span> +<a name="L277"></a><span id="L277" class="LineNr">277 </span><span class="Comment">//: since we don't decrement refcounts for escaping values above, make sure we</span> +<a name="L278"></a><span id="L278" class="LineNr">278 </span><span class="Comment">//: don't increment them when the caller saves them either</span> +<a name="L279"></a><span id="L279" class="LineNr">279 </span> +<a name="L280"></a><span id="L280" class="LineNr">280 </span><span class="Delimiter">:(after "Write Products of Instruction")</span> +<a name="L281"></a><span id="L281" class="LineNr">281 </span>Update_refcounts_in_write_memory = should_update_refcounts_in_write_memory<span class="Delimiter">();</span> +<a name="L282"></a><span id="L282" class="LineNr">282 </span><span class="Delimiter">:(before "End Write Products of Instruction")</span> +<a name="L283"></a><span id="L283" class="LineNr">283 </span>Update_refcounts_in_write_memory = <span class="Constant">true</span><span class="Delimiter">;</span> +<a name="L284"></a><span id="L284" class="LineNr">284 </span><span class="Delimiter">:(code)</span> +<a name="L285"></a><span id="L285" class="LineNr">285 </span><span class="Normal">bool</span> should_update_refcounts_in_write_memory<span class="Delimiter">()</span> <span class="Delimiter">{</span> +<a name="L286"></a><span id="L286" class="LineNr">286 </span> <span class="Normal">const</span> instruction& inst = current_instruction<span class="Delimiter">();</span> +<a name="L287"></a><span id="L287" class="LineNr">287 </span> <span class="Comment">// End should_update_refcounts_in_write_memory Special-cases For Primitives</span> +<a name="L288"></a><span id="L288" class="LineNr">288 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation < MAX_PRIMITIVE_RECIPES<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span> +<a name="L289"></a><span id="L289" class="LineNr">289 </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="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span> +<a name="L290"></a><span id="L290" class="LineNr">290 </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> +<a name="L291"></a><span id="L291" class="LineNr">291 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>callee<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span> +<a name="L292"></a><span id="L292" class="LineNr">292 </span> <span class="Identifier">return</span> callee<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>old_name != <span class="Constant">"local-scope"</span><span class="Delimiter">;</span> <span class="Comment">// callees that call local-scope are already dealt with before return</span> +<a name="L293"></a><span id="L293" class="LineNr">293 </span><span class="Delimiter">}</span> +<a name="L294"></a><span id="L294" class="LineNr">294 </span> +<a name="L295"></a><span id="L295" class="LineNr">295 </span><span class="Normal">bool</span> caller_uses_product<span class="Delimiter">(</span><span class="Normal">int</span> product_index<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<a name="L296"></a><span id="L296" class="LineNr">296 </span> assert<span class="Delimiter">(</span>Current_routine<span class="Delimiter">);</span> <span class="Comment">// run-time only</span> +<a name="L297"></a><span id="L297" class="LineNr">297 </span> assert<span class="Delimiter">(</span>!Current_routine<span class="Delimiter">-></span>calls<span class="Delimiter">.</span>empty<span class="Delimiter">());</span> +<a name="L298"></a><span id="L298" class="LineNr">298 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>Current_routine<span class="Delimiter">-></span>calls<span class="Delimiter">.</span>size<span class="Delimiter">()</span> == <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> +<a name="L299"></a><span id="L299" class="LineNr">299 </span> <span class="Normal">const</span> call& caller = *++Current_routine<span class="Delimiter">-></span>calls<span class="Delimiter">.</span>begin<span class="Delimiter">();</span> +<a name="L300"></a><span id="L300" class="LineNr">300 </span> <span class="Normal">const</span> instruction& caller_inst = to_instruction<span class="Delimiter">(</span>caller<span class="Delimiter">);</span> +<a name="L301"></a><span id="L301" class="LineNr">301 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>product_index >= SIZE<span class="Delimiter">(</span>caller_inst<span class="Delimiter">.</span>products<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> +<a name="L302"></a><span id="L302" class="LineNr">302 </span> <span class="Identifier">return</span> !is_dummy<span class="Delimiter">(</span>caller_inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>product_index<span class="Delimiter">));</span> +<a name="L303"></a><span id="L303" class="LineNr">303 </span><span class="Delimiter">}</span> +<a name="L304"></a><span id="L304" class="LineNr">304 </span> +<a name="L305"></a><span id="L305" class="LineNr">305 </span><span class="Normal">void</span> rewrite_default_space_instruction<span class="Delimiter">(</span>instruction& curr<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<a name="L306"></a><span id="L306" class="LineNr">306 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!curr<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> +<a name="L307"></a><span id="L307" class="LineNr">307 </span> raise << to_original_string<span class="Delimiter">(</span>curr<span class="Delimiter">)</span> << <span class="Constant">" can't take any ingredients</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> +<a name="L308"></a><span id="L308" class="LineNr">308 </span> curr<span class="Delimiter">.</span>name = <span class="Constant">"new"</span><span class="Delimiter">;</span> +<a name="L309"></a><span id="L309" class="LineNr">309 </span> <span class="Constant">curr.ingredients.push_back(reagent("location:type</span><span class="Constant">"));</span> +<a name="L310"></a><span id="L310" class="LineNr">310 </span> <span class="Constant">curr.ingredients.push_back(reagent("number-of-locals:literal</span><span class="Constant">"));</span> +<a name="L311"></a><span id="L311" class="LineNr">311 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!curr<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> +<a name="L312"></a><span id="L312" class="LineNr">312 </span> raise << <span class="Constant">"new-default-space can't take any results</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> +<a name="L313"></a><span id="L313" class="LineNr">313 </span> curr<span class="Delimiter">.</span>products<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>reagent<span class="Delimiter">(</span><span class="Constant">"default-space:space"</span><span class="Delimiter">));</span> +<a name="L314"></a><span id="L314" class="LineNr">314 </span><span class="Delimiter">}</span> +<a name="L315"></a><span id="L315" class="LineNr">315 </span> +<a name="L316"></a><span id="L316" class="LineNr">316 </span><span class="Delimiter">:(scenario local_scope_frees_up_addresses_inside_containers)</span> +<a name="L317"></a><span id="L317" class="LineNr">317 </span><span class="muData">container</span> foo [ +<a name="L318"></a><span id="L318" class="LineNr">318 </span> <span class="Normal">x</span>:num +<a name="L319"></a><span id="L319" class="LineNr">319 </span> <span class="Normal">y</span>:&:num +<a name="L320"></a><span id="L320" class="LineNr">320 </span>] +<a name="L321"></a><span id="L321" class="LineNr">321 </span><span class="muRecipe">def</span> main [ +<a name="L322"></a><span id="L322" class="LineNr">322 </span> local-scope +<a name="L323"></a><span id="L323" class="LineNr">323 </span> <span class="Normal">x</span>:&:num<span class="Special"> <- </span><span class="Normal">new</span> <span class="Constant">number:type</span> +<a name="L324"></a><span id="L324" class="LineNr">324 </span> <span class="Normal">y</span>:foo<span class="Special"> <- </span>merge <span class="Constant">34</span><span class="Delimiter">,</span> x:&:num +<a name="L325"></a><span id="L325" class="LineNr">325 </span> <span class="Comment"># x and y are both cleared when main returns</span> +<a name="L326"></a><span id="L326" class="LineNr">326 </span>] +<a name="L327"></a><span id="L327" class="LineNr">327 </span><span class="traceContains">+mem: clearing x:&:num</span> +<a name="L328"></a><span id="L328" class="LineNr">328 </span><span class="traceContains">+mem: decrementing refcount of 1006: 2 -> 1</span> +<a name="L329"></a><span id="L329" class="LineNr">329 </span><span class="traceContains">+mem: clearing y:foo</span> +<a name="L330"></a><span id="L330" class="LineNr">330 </span><span class="traceContains">+mem: decrementing refcount of 1006: 1 -> 0</span> +<a name="L331"></a><span id="L331" class="LineNr">331 </span><span class="traceContains">+mem: automatically abandoning 1006</span> +<a name="L332"></a><span id="L332" class="LineNr">332 </span> +<a name="L333"></a><span id="L333" class="LineNr">333 </span><span class="Delimiter">:(scenario local_scope_returns_addresses_inside_containers)</span> +<a name="L334"></a><span id="L334" class="LineNr">334 </span><span class="muData">container</span> foo [ +<a name="L335"></a><span id="L335" class="LineNr">335 </span> <span class="Normal">x</span>:num +<a name="L336"></a><span id="L336" class="LineNr">336 </span> <span class="Normal">y</span>:&:num +<a name="L337"></a><span id="L337" class="LineNr">337 </span>] +<a name="L338"></a><span id="L338" class="LineNr">338 </span><span class="muRecipe">def</span> f [ +<a name="L339"></a><span id="L339" class="LineNr">339 </span> local-scope +<a name="L340"></a><span id="L340" class="LineNr">340 </span> <span class="Normal">x</span>:&:num<span class="Special"> <- </span><span class="Normal">new</span> <span class="Constant">number:type</span> +<a name="L341"></a><span id="L341" class="LineNr">341 </span> *x:&:num<span class="Special"> <- </span>copy <span class="Constant">12</span> +<a name="L342"></a><span id="L342" class="LineNr">342 </span> <span class="Normal">y</span>:foo<span class="Special"> <- </span>merge <span class="Constant">34</span><span class="Delimiter">,</span> x:&:num +<a name="L343"></a><span id="L343" class="LineNr">343 </span> <span class="Comment"># since y is 'escaping' f, it should not be cleared</span> +<a name="L344"></a><span id="L344" class="LineNr">344 </span> <span class="Identifier">return</span> y:foo +<a name="L345"></a><span id="L345" class="LineNr">345 </span>] +<a name="L346"></a><span id="L346" class="LineNr">346 </span><span class="muRecipe">def</span> main [ +<a name="L347"></a><span id="L347" class="LineNr">347 </span> <span class="Constant">1</span>:foo<span class="Special"> <- </span>f +<a name="L348"></a><span id="L348" class="LineNr">348 </span> <span class="Constant">3</span>:num<span class="Special"> <- </span>get <span class="Constant">1</span>:foo<span class="Delimiter">,</span> <span class="Constant">x:offset</span> +<a name="L349"></a><span id="L349" class="LineNr">349 </span> <span class="Constant">4</span>:&:num<span class="Special"> <- </span>get <span class="Constant">1</span>:foo<span class="Delimiter">,</span> <span class="Constant">y:offset</span> +<a name="L350"></a><span id="L350" class="LineNr">350 </span> <span class="Constant">5</span>:num<span class="Special"> <- </span>copy *<span class="Constant">4</span>:&:num +<a name="L351"></a><span id="L351" class="LineNr">351 </span> <span class="Constant">1</span>:foo<span class="Special"> <- </span>put <span class="Constant">1</span>:foo<span class="Delimiter">,</span> <span class="Constant">y:offset</span><span class="Delimiter">,</span> <span class="Constant">0</span> +<a name="L352"></a><span id="L352" class="LineNr">352 </span> <span class="Constant">4</span>:&:num<span class="Special"> <- </span>copy <span class="Constant">0</span> +<a name="L353"></a><span id="L353" class="LineNr">353 </span>] +<a name="L354"></a><span id="L354" class="LineNr">354 </span><span class="traceContains">+mem: storing 34 in location 1</span> +<a name="L355"></a><span id="L355" class="LineNr">355 </span><span class="traceContains">+mem: storing 1006 in location 2</span> +<a name="L356"></a><span id="L356" class="LineNr">356 </span><span class="traceContains">+mem: storing 34 in location 3</span> +<a name="L357"></a><span id="L357" class="LineNr">357 </span><span class="Comment"># refcount of 1:foo shouldn't include any stray ones from f</span> +<a name="L358"></a><span id="L358" class="LineNr">358 </span><span class="traceContains">+run: {4: ("address" "number")} <- get {1: "foo"}, {y: "offset"}</span> +<a name="L359"></a><span id="L359" class="LineNr">359 </span><span class="traceContains">+mem: incrementing refcount of 1006: 1 -> 2</span> +<a name="L360"></a><span id="L360" class="LineNr">360 </span><span class="Comment"># 1:foo wasn't abandoned/cleared</span> +<a name="L361"></a><span id="L361" class="LineNr">361 </span><span class="traceContains">+run: {5: "number"} <- copy {4: ("address" "number"), "lookup": ()}</span> +<a name="L362"></a><span id="L362" class="LineNr">362 </span><span class="traceContains">+mem: storing 12 in location 5</span> +<a name="L363"></a><span id="L363" class="LineNr">363 </span><span class="traceContains">+run: {1: "foo"} <- put {1: "foo"}, {y: "offset"}, {0: "literal"}</span> +<a name="L364"></a><span id="L364" class="LineNr">364 </span><span class="traceContains">+mem: decrementing refcount of 1006: 2 -> 1</span> +<a name="L365"></a><span id="L365" class="LineNr">365 </span><span class="traceContains">+run: {4: ("address" "number")} <- copy {0: "literal"}</span> +<a name="L366"></a><span id="L366" class="LineNr">366 </span><span class="traceContains">+mem: decrementing refcount of 1006: 1 -> 0</span> +<a name="L367"></a><span id="L367" class="LineNr">367 </span><span class="traceContains">+mem: automatically abandoning 1006</span> +<a name="L368"></a><span id="L368" class="LineNr">368 </span> +<a name="L369"></a><span id="L369" class="LineNr">369 </span><span class="Delimiter">:(scenario local_scope_claims_return_values_when_not_saved)</span> +<a name="L370"></a><span id="L370" class="LineNr">370 </span><span class="muRecipe">def</span> f [ +<a name="L371"></a><span id="L371" class="LineNr">371 </span> local-scope +<a name="L372"></a><span id="L372" class="LineNr">372 </span> <span class="Normal">x</span>:&:num<span class="Special"> <- </span><span class="Normal">new</span> <span class="Constant">number:type</span> +<a name="L373"></a><span id="L373" class="LineNr">373 </span> <span class="Identifier">return</span> x:&:num +<a name="L374"></a><span id="L374" class="LineNr">374 </span>] +<a name="L375"></a><span id="L375" class="LineNr">375 </span><span class="muRecipe">def</span> main [ +<a name="L376"></a><span id="L376" class="LineNr">376 </span> f <span class="Comment"># doesn't save result</span> +<a name="L377"></a><span id="L377" class="LineNr">377 </span>] +<a name="L378"></a><span id="L378" class="LineNr">378 </span><span class="Comment"># x reclaimed</span> +<a name="L379"></a><span id="L379" class="LineNr">379 </span><span class="traceContains">+mem: automatically abandoning 1004</span> +<a name="L380"></a><span id="L380" class="LineNr">380 </span><span class="Comment"># f's local scope reclaimed</span> +<a name="L381"></a><span id="L381" class="LineNr">381 </span><span class="traceContains">+mem: automatically abandoning 1000</span> +<a name="L382"></a><span id="L382" class="LineNr">382 </span> +<a name="L383"></a><span id="L383" class="LineNr">383 </span><span class="SalientComment">//:: all recipes must set default-space one way or another</span> +<a name="L384"></a><span id="L384" class="LineNr">384 </span> +<a name="L385"></a><span id="L385" class="LineNr">385 </span><span class="Delimiter">:(before "End Globals")</span> +<a name="L386"></a><span id="L386" class="LineNr">386 </span><span class="Normal">bool</span> Hide_missing_default_space_errors = <span class="Constant">true</span><span class="Delimiter">;</span> +<a name="L387"></a><span id="L387" class="LineNr">387 </span><span class="Delimiter">:(before "End Checks")</span> +<a name="L388"></a><span id="L388" class="LineNr">388 </span>Transform<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>check_default_space<span class="Delimiter">);</span> <span class="Comment">// idempotent</span> +<a name="L389"></a><span id="L389" class="LineNr">389 </span><span class="Delimiter">:(code)</span> +<a name="L390"></a><span id="L390" class="LineNr">390 </span><span class="Normal">void</span> check_default_space<span class="Delimiter">(</span><span class="Normal">const</span> recipe_ordinal r<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<a name="L391"></a><span id="L391" class="LineNr">391 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>Hide_missing_default_space_errors<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// skip previous core tests; this is only for Mu code</span> +<a name="L392"></a><span id="L392" class="LineNr">392 </span> <span class="Normal">const</span> recipe& caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span> +<a name="L393"></a><span id="L393" class="LineNr">393 </span> <span class="Comment">// End check_default_space Special-cases</span> +<a name="L394"></a><span id="L394" class="LineNr">394 </span> <span class="Comment">// assume recipes with only numeric addresses know what they're doing (usually tests)</span> +<a name="L395"></a><span id="L395" class="LineNr">395 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_non_special_name<span class="Delimiter">(</span>r<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<a name="L396"></a><span id="L396" class="LineNr">396 </span> trace<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">"--- check that recipe "</span> << caller<span class="Delimiter">.</span>name << <span class="Constant">" sets default-space"</span> << end<span class="Delimiter">();</span> +<a name="L397"></a><span id="L397" class="LineNr">397 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<a name="L398"></a><span id="L398" class="LineNr">398 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">()</span> +<a name="L399"></a><span id="L399" class="LineNr">399 </span> || caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name != <span class="Constant">"default-space"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> +<a name="L400"></a><span id="L400" class="LineNr">400 </span> raise << caller<span class="Delimiter">.</span>name << <span class="Constant">" does not seem to start with default-space or local-scope</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> +<a name="L401"></a><span id="L401" class="LineNr">401 </span> <span class="Delimiter">}</span> +<a name="L402"></a><span id="L402" class="LineNr">402 </span><span class="Delimiter">}</span> +<a name="L403"></a><span id="L403" class="LineNr">403 </span><span class="Delimiter">:(after "Load Mu Prelude")</span> +<a name="L404"></a><span id="L404" class="LineNr">404 </span>Hide_missing_default_space_errors = <span class="Constant">false</span><span class="Delimiter">;</span> +<a name="L405"></a><span id="L405" class="LineNr">405 </span><span class="Delimiter">:(after "Test Runs")</span> +<a name="L406"></a><span id="L406" class="LineNr">406 </span>Hide_missing_default_space_errors = <span class="Constant">true</span><span class="Delimiter">;</span> +<a name="L407"></a><span id="L407" class="LineNr">407 </span><span class="Delimiter">:(after "Running Main")</span> +<a name="L408"></a><span id="L408" class="LineNr">408 </span>Hide_missing_default_space_errors = <span class="Constant">false</span><span class="Delimiter">;</span> +<a name="L409"></a><span id="L409" class="LineNr">409 </span> +<a name="L410"></a><span id="L410" class="LineNr">410 </span><span class="Delimiter">:(code)</span> +<a name="L411"></a><span id="L411" class="LineNr">411 </span><span class="Normal">bool</span> contains_non_special_name<span class="Delimiter">(</span><span class="Normal">const</span> recipe_ordinal r<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<a name="L412"></a><span id="L412" class="LineNr">412 </span> <span class="Normal">for</span> <span class="Delimiter">(</span>map<string<span class="Delimiter">,</span> <span class="Normal">int</span>>::iterator p = Name[r]<span class="Delimiter">.</span>begin<span class="Delimiter">();</span> p != Name[r]<span class="Delimiter">.</span>end<span class="Delimiter">();</span> ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<a name="L413"></a><span id="L413" class="LineNr">413 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">-></span>first<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> +<a name="L414"></a><span id="L414" class="LineNr">414 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">-></span>first<span class="Delimiter">.</span>find<span class="Delimiter">(</span><span class="Constant">"stash_"</span><span class="Delimiter">)</span> == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span class="Comment">// generated by rewrite_stashes_to_text (cross-layer)</span> +<a name="L415"></a><span id="L415" class="LineNr">415 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_special_name<span class="Delimiter">(</span>p<span class="Delimiter">-></span>first<span class="Delimiter">))</span> +<a name="L416"></a><span id="L416" class="LineNr">416 </span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span> +<a name="L417"></a><span id="L417" class="LineNr">417 </span> <span class="Delimiter">}</span> +<a name="L418"></a><span id="L418" class="LineNr">418 </span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> +<a name="L419"></a><span id="L419" class="LineNr">419 </span><span class="Delimiter">}</span> +<a name="L420"></a><span id="L420" class="LineNr">420 </span> +<a name="L421"></a><span id="L421" class="LineNr">421 </span><span class="Comment">// reagent comparison -- only between reagents in a single recipe</span> +<a name="L422"></a><span id="L422" class="LineNr">422 </span><span class="Normal">bool</span> <span class="Normal">operator</span>==<span class="Delimiter">(</span><span class="Normal">const</span> reagent& a<span class="Delimiter">,</span> <span class="Normal">const</span> reagent& b<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<a name="L423"></a><span id="L423" class="LineNr">423 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>a<span class="Delimiter">.</span>name != b<span class="Delimiter">.</span>name<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> +<a name="L424"></a><span id="L424" class="LineNr">424 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>property<span class="Delimiter">(</span>a<span class="Delimiter">,</span> <span class="Constant">"space"</span><span class="Delimiter">)</span> != property<span class="Delimiter">(</span>b<span class="Delimiter">,</span> <span class="Constant">"space"</span><span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> +<a name="L425"></a><span id="L425" class="LineNr">425 </span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span> +<a name="L426"></a><span id="L426" class="LineNr">426 </span><span class="Delimiter">}</span> +<a name="L427"></a><span id="L427" class="LineNr">427 </span> +<a name="L428"></a><span id="L428" class="LineNr">428 </span><span class="Normal">bool</span> <span class="Normal">operator</span><<span class="Delimiter">(</span><span class="Normal">const</span> reagent& a<span class="Delimiter">,</span> <span class="Normal">const</span> reagent& b<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<a name="L429"></a><span id="L429" class="LineNr">429 </span> <span class="Normal">int</span> aspace = <span class="Constant">0</span><span class="Delimiter">,</span> bspace = <span class="Constant">0</span><span class="Delimiter">;</span> +<a name="L430"></a><span id="L430" class="LineNr">430 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_property<span class="Delimiter">(</span>a<span class="Delimiter">,</span> <span class="Constant">"space"</span><span class="Delimiter">))</span> aspace = to_integer<span class="Delimiter">(</span>property<span class="Delimiter">(</span>a<span class="Delimiter">,</span> <span class="Constant">"space"</span><span class="Delimiter">)-></span>value<span class="Delimiter">);</span> +<a name="L431"></a><span id="L431" class="LineNr">431 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_property<span class="Delimiter">(</span>b<span class="Delimiter">,</span> <span class="Constant">"space"</span><span class="Delimiter">))</span> bspace = to_integer<span class="Delimiter">(</span>property<span class="Delimiter">(</span>b<span class="Delimiter">,</span> <span class="Constant">"space"</span><span class="Delimiter">)-></span>value<span class="Delimiter">);</span> +<a name="L432"></a><span id="L432" class="LineNr">432 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>aspace != bspace<span class="Delimiter">)</span> <span class="Identifier">return</span> aspace < bspace<span class="Delimiter">;</span> +<a name="L433"></a><span id="L433" class="LineNr">433 </span> <span class="Identifier">return</span> a<span class="Delimiter">.</span>name < b<span class="Delimiter">.</span>name<span class="Delimiter">;</span> +<a name="L434"></a><span id="L434" class="LineNr">434 </span><span class="Delimiter">}</span> </pre> </body> </html> |