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| author | Kartik K. Agaram <vc@akkartik.com> | 2017-08-20 03:15:26 -0700 |
|---|---|---|
| committer | Kartik K. Agaram <vc@akkartik.com> | 2017-08-20 03:15:26 -0700 |
| commit | 1157f78fc94fe3905ac63efdb8e725bb94d54345 (patch) | |
| tree | cdce7c829594218f9997d49e347448befc93562a | |
| parent | 50cca37aa655a90a31f209f0465498cf4cd08023 (diff) | |
| download | mu-1157f78fc94fe3905ac63efdb8e725bb94d54345.tar.gz | |
3973
| -rw-r--r-- | html/046global.cc.html | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/html/046global.cc.html b/html/046global.cc.html deleted file mode 100644 index a39e82d0..00000000 --- a/html/046global.cc.html +++ /dev/null @@ -1,149 +0,0 @@ -<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> -<html> -<head> -<meta http-equiv="content-type" content="text/html; charset=UTF-8"> -<title>Mu - 046global.cc</title> -<meta name="Generator" content="Vim/7.4"> -<meta name="plugin-version" content="vim7.4_v2"> -<meta name="syntax" content="cpp"> -<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy="> -<meta name="colorscheme" content="minimal"> -<style type="text/css"> -<!-- -pre { white-space: pre-wrap; font-family: monospace; color: #aaaaaa; background-color: #080808; } -body { font-size: 12pt; font-family: monospace; color: #aaaaaa; background-color: #080808; } -a { color:#eeeeee; text-decoration: none; } -a:hover { text-decoration: underline; } -* { font-size: 12pt; font-size: 1em; } -.Constant { color: #00a0a0; } -.muRecipe { color: #ff8700; } -.Conceal { color: #4e4e4e; } -.Special { color: #c00000; } -.Comment { color: #9090ff; } -.Comment a { color:#0000ee; text-decoration:underline; } -.Delimiter { color: #800080; } -.LineNr { color: #444444; } -.Identifier { color: #c0a020; } -.Normal { color: #aaaaaa; background-color: #080808; padding-bottom: 1px; } -.cSpecial { color: #008000; } -.traceContains { color: #008000; } ---> -</style> - -<script type='text/javascript'> -<!-- - -/* function to open any folds containing a jumped-to line before jumping to it */ -function JumpToLine() -{ - var lineNum; - lineNum = window.location.hash; - lineNum = lineNum.substr(1); /* strip off '#' */ - - if (lineNum.indexOf('L') == -1) { - lineNum = 'L'+lineNum; - } - lineElem = document.getElementById(lineNum); - /* Always jump to new location even if the line was hidden inside a fold, or - * we corrected the raw number to a line ID. - */ - if (lineElem) { - lineElem.scrollIntoView(true); - } - return true; -} -if ('onhashchange' in window) { - window.onhashchange = JumpToLine; -} - ---> -</script> -</head> -<body onload='JumpToLine();'> -<pre id='vimCodeElement'> -<span id="L1" class="LineNr"> 1 </span><span class="Comment">//: So far we have local variables, and we can nest local variables of short</span> -<span id="L2" class="LineNr"> 2 </span><span class="Comment">//: lifetimes inside longer ones. Now let's support 'global' variables that</span> -<span id="L3" class="LineNr"> 3 </span><span class="Comment">//: last for the life of a routine. If we create multiple routines they won't</span> -<span id="L4" class="LineNr"> 4 </span><span class="Comment">//: have access to each other's globals.</span> -<span id="L5" class="LineNr"> 5 </span><span class="Comment">//:</span> -<span id="L6" class="LineNr"> 6 </span><span class="Comment">//: This feature is still experimental and half-baked. You can't name global</span> -<span id="L7" class="LineNr"> 7 </span><span class="Comment">//: variables, and they don't get checked for types (the only known hole in</span> -<span id="L8" class="LineNr"> 8 </span><span class="Comment">//: the type system, can cause memory corruption). We might fix these issues</span> -<span id="L9" class="LineNr"> 9 </span><span class="Comment">//: if we ever use globals. Or we might just drop the feature entirely.</span> -<span id="L10" class="LineNr">10 </span><span class="Comment">//: [tag: todo]</span> -<span id="L11" class="LineNr">11 </span> -<span id="L12" class="LineNr">12 </span><span class="Delimiter">:(scenario global_space)</span> -<span id="L13" class="LineNr">13 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [ -<span id="L14" class="LineNr">14 </span> <span class="Comment"># pretend address:array:location; in practice we'll use new</span> -<span id="L15" class="LineNr">15 </span> <span class="Constant">10</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span> <span class="Comment"># refcount</span> -<span id="L16" class="LineNr">16 </span> <span class="Constant">11</span>:num<span class="Special"> <- </span>copy <span class="Constant">5</span> <span class="Comment"># length</span> -<span id="L17" class="LineNr">17 </span> <span class="Comment"># pretend address:array:location; in practice we'll use new</span> -<span id="L18" class="LineNr">18 </span> <span class="Constant">20</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span> <span class="Comment"># refcount</span> -<span id="L19" class="LineNr">19 </span> <span class="Constant">21</span>:num<span class="Special"> <- </span>copy <span class="Constant">5</span> <span class="Comment"># length</span> -<span id="L20" class="LineNr">20 </span> <span class="Comment"># actual start of this recipe</span> -<span id="L21" class="LineNr">21 </span> global-space:space<span class="Special"> <- </span>copy <span class="Constant">20</span>/unsafe -<span id="L22" class="LineNr">22 </span> <span class="Normal">default</span>-space:space<span class="Special"> <- </span>copy <span class="Constant">10</span>/unsafe -<span id="L23" class="LineNr">23 </span> <span class="Constant">1</span>:num<span class="Special"> <- </span>copy <span class="Constant">23</span> -<span id="L24" class="LineNr">24 </span> <span class="Special">1:num/space:global</span><span class="Special"> <- </span>copy <span class="Constant">24</span> -<span id="L25" class="LineNr">25 </span>] -<span id="L26" class="LineNr">26 </span><span class="Comment"># store to default space: 10 + (skip refcount and length) 2 + (index) 1</span> -<span id="L27" class="LineNr">27 </span><span class="traceContains">+mem: storing 23 in location 13</span> -<span id="L28" class="LineNr">28 </span><span class="Comment"># store to chained space: (contents of location 12) 20 + (refcount and length) 2 + (index) 1</span> -<span id="L29" class="LineNr">29 </span><span class="traceContains">+mem: storing 24 in location 23</span> -<span id="L30" class="LineNr">30 </span> -<span id="L31" class="LineNr">31 </span><span class="Comment">//: to support it, create another special variable called global space</span> -<span id="L32" class="LineNr">32 </span><span class="Delimiter">:(before "End <a href='042name.cc.html#L99'>is_disqualified</a> Special-cases")</span> -<span id="L33" class="LineNr">33 </span><span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>name == <span class="Constant">"global-space"</span><span class="Delimiter">)</span> -<span id="L34" class="LineNr">34 </span> x<span class="Delimiter">.</span>initialized = <span class="Constant">true</span><span class="Delimiter">;</span> -<span id="L35" class="LineNr">35 </span><span class="Delimiter">:(before "End <a href='042name.cc.html#L156'>is_special_name</a> Special-cases")</span> -<span id="L36" class="LineNr">36 </span><span class="Normal">if</span> <span class="Delimiter">(</span>s == <span class="Constant">"global-space"</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span> -<span id="L37" class="LineNr">37 </span> -<span id="L38" class="LineNr">38 </span><span class="Comment">//: writes to this variable go to a field in the current routine</span> -<span id="L39" class="LineNr">39 </span><span class="Delimiter">:(before "End routine Fields")</span> -<span id="L40" class="LineNr">40 </span><span class="Normal">int</span> global_space<span class="Delimiter">;</span> -<span id="L41" class="LineNr">41 </span><span class="Delimiter">:(before "End routine Constructor")</span> -<span id="L42" class="LineNr">42 </span>global_space = <span class="Constant">0</span><span class="Delimiter">;</span> -<span id="L43" class="LineNr">43 </span><span class="Delimiter">:(after "Begin Preprocess write_memory(x, data)")</span> -<span id="L44" class="LineNr">44 </span><span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>name == <span class="Constant">"global-space"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L45" class="LineNr">45 </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> -<span id="L46" class="LineNr">46 </span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L83'>current_recipe_name</a><span class="Delimiter">())</span> << <span class="Constant">"'global-space' should be of type <a href='043space.cc.html#L76'>address</a>:array:location, but tried to write '"</span> << to_string<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L197'>end</a><span class="Delimiter">();</span> -<span id="L47" class="LineNr">47 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>Current_routine<span class="Delimiter">-></span>global_space<span class="Delimiter">)</span> -<span id="L48" class="LineNr">48 </span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> << <span class="Constant">"routine already has a global-space; you can't over-write your globals"</span> << end<span class="Delimiter">();</span> -<span id="L49" class="LineNr">49 </span> Current_routine<span class="Delimiter">-></span>global_space = data<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> -<span id="L50" class="LineNr">50 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> -<span id="L51" class="LineNr">51 </span><span class="Delimiter">}</span> -<span id="L52" class="LineNr">52 </span> -<span id="L53" class="LineNr">53 </span><span class="Comment">//: now marking variables as /space:global looks them up inside this field</span> -<span id="L54" class="LineNr">54 </span><span class="Delimiter">:(after "int space_base(const reagent& x)")</span> -<span id="L55" class="LineNr">55 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='046global.cc.html#L79'>is_global</a><span class="Delimiter">(</span>x<span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L56" class="LineNr">56 </span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!Current_routine<span class="Delimiter">-></span>global_space<span class="Delimiter">)</span> -<span id="L57" class="LineNr">57 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> << <span class="Constant">"routine has no global space</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L197'>end</a><span class="Delimiter">();</span> -<span id="L58" class="LineNr">58 </span> <span class="Conceal">¦</span> <span class="Identifier">return</span> Current_routine<span class="Delimiter">-></span>global_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 id="L59" class="LineNr">59 </span> <span class="Delimiter">}</span> -<span id="L60" class="LineNr">60 </span> -<span id="L61" class="LineNr">61 </span><span class="Comment">//: for now let's not bother giving global variables names.</span> -<span id="L62" class="LineNr">62 </span><span class="Comment">//: don't want to make them too comfortable to use.</span> -<span id="L63" class="LineNr">63 </span> -<span id="L64" class="LineNr">64 </span><span class="Delimiter">:(scenario global_space_with_names)</span> -<span id="L65" class="LineNr">65 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [ -<span id="L66" class="LineNr">66 </span> global-space:space<span class="Special"> <- </span><span class="Normal">new</span> <span class="Constant">location:type</span><span class="Delimiter">,</span> <span class="Constant">10</span> -<span id="L67" class="LineNr">67 </span> <span class="Normal">x</span>:num<span class="Special"> <- </span>copy <span class="Constant">23</span> -<span id="L68" class="LineNr">68 </span> <span class="Special">1:num/space:global</span><span class="Special"> <- </span>copy <span class="Constant">24</span> -<span id="L69" class="LineNr">69 </span>] -<span id="L70" class="LineNr">70 </span><span class="Comment"># don't complain about mixing numeric addresses and names</span> -<span id="L71" class="LineNr">71 </span>$error: <span class="Constant">0</span> -<span id="L72" class="LineNr">72 </span> -<span id="L73" class="LineNr">73 </span><span class="Delimiter">:(after "bool is_numeric_location(const reagent& x)")</span> -<span id="L74" class="LineNr">74 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='046global.cc.html#L79'>is_global</a><span class="Delimiter">(</span>x<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> -<span id="L75" class="LineNr">75 </span> -<span id="L76" class="LineNr">76 </span><span class="Comment">//: helpers</span> -<span id="L77" class="LineNr">77 </span> -<span id="L78" class="LineNr">78 </span><span class="Delimiter">:(code)</span> -<span id="L79" class="LineNr">79 </span><span class="Normal">bool</span> <a href='046global.cc.html#L79'>is_global</a><span class="Delimiter">(</span><span class="Normal">const</span> reagent& x<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L80" class="LineNr">80 </span> string_tree* s = property<span class="Delimiter">(</span>x<span class="Delimiter">,</span> <span class="Constant">"space"</span><span class="Delimiter">);</span> -<span id="L81" class="LineNr">81 </span> <span class="Identifier">return</span> s && s<span class="Delimiter">-></span>atom && s<span class="Delimiter">-></span>value == <span class="Constant">"global"</span><span class="Delimiter">;</span> -<span id="L82" class="LineNr">82 </span><span class="Delimiter">}</span> -</pre> -</body> -</html> -<!-- vim: set foldmethod=manual : --> |