diff options
Diffstat (limited to 'html/044space_surround.cc.html')
| -rw-r--r-- | html/044space_surround.cc.html | 132 |
1 files changed, 66 insertions, 66 deletions
diff --git a/html/044space_surround.cc.html b/html/044space_surround.cc.html index 451caab5..308288b3 100644 --- a/html/044space_surround.cc.html +++ b/html/044space_surround.cc.html @@ -57,72 +57,72 @@ if ('onhashchange' in window) { </head> <body onload='JumpToLine();'> <pre id='vimCodeElement'> -<a name="L1"></a><span id="L1" class="LineNr"> 1 </span><span class="Comment">//: So far you can have global variables by not setting default-space, and</span> -<a name="L2"></a><span id="L2" class="LineNr"> 2 </span><span class="Comment">//: local variables by setting default-space. You can isolate variables</span> -<a name="L3"></a><span id="L3" class="LineNr"> 3 </span><span class="Comment">//: between those extremes by creating 'surrounding' spaces.</span> -<a name="L4"></a><span id="L4" class="LineNr"> 4 </span><span class="Comment">//:</span> -<a name="L5"></a><span id="L5" class="LineNr"> 5 </span><span class="Comment">//: (Surrounding spaces are like lexical scopes in other languages.)</span> -<a name="L6"></a><span id="L6" class="LineNr"> 6 </span> -<a name="L7"></a><span id="L7" class="LineNr"> 7 </span><span class="Delimiter">:(scenario surrounding_space)</span> -<a name="L8"></a><span id="L8" class="LineNr"> 8 </span><span class="Comment"># location 1 in space 1 refers to the space surrounding the default space, here 20.</span> -<a name="L9"></a><span id="L9" class="LineNr"> 9 </span><span class="muRecipe">def</span> main [ -<a name="L10"></a><span id="L10" class="LineNr">10 </span> <span class="Comment"># pretend address:array:location; in practice we'll use new</span> -<a name="L11"></a><span id="L11" class="LineNr">11 </span> <span class="Constant">10</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span> <span class="Comment"># refcount</span> -<a name="L12"></a><span id="L12" class="LineNr">12 </span> <span class="Constant">11</span>:num<span class="Special"> <- </span>copy <span class="Constant">5</span> <span class="Comment"># length</span> -<a name="L13"></a><span id="L13" class="LineNr">13 </span> <span class="Comment"># pretend address:array:location; in practice we'll use new</span> -<a name="L14"></a><span id="L14" class="LineNr">14 </span> <span class="Constant">20</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span> <span class="Comment"># refcount</span> -<a name="L15"></a><span id="L15" class="LineNr">15 </span> <span class="Constant">21</span>:num<span class="Special"> <- </span>copy <span class="Constant">5</span> <span class="Comment"># length</span> -<a name="L16"></a><span id="L16" class="LineNr">16 </span> <span class="Comment"># actual start of this recipe</span> -<a name="L17"></a><span id="L17" class="LineNr">17 </span> <span class="Normal">default</span>-space:space<span class="Special"> <- </span>copy <span class="Constant">10</span>/unsafe -<a name="L18"></a><span id="L18" class="LineNr">18 </span> <span class="Comment">#: later layers will explain the /names: property</span> -<a name="L19"></a><span id="L19" class="LineNr">19 </span> <span class="Constant">0</span>:space/names:dummy<span class="Special"> <- </span>copy <span class="Constant">20</span>/unsafe -<a name="L20"></a><span id="L20" class="LineNr">20 </span> <span class="Constant">1</span>:num<span class="Special"> <- </span>copy <span class="Constant">32</span> -<a name="L21"></a><span id="L21" class="LineNr">21 </span> <span class="Constant">1</span>:num/space:<span class="Constant">1</span><span class="Special"> <- </span>copy <span class="Constant">33</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="muRecipe">def</span> dummy [ <span class="Comment"># just for the /names: property above</span> -<a name="L24"></a><span id="L24" class="LineNr">24 </span>] -<a name="L25"></a><span id="L25" class="LineNr">25 </span><span class="Comment"># chain space: 10 + (refcount and length) 2</span> -<a name="L26"></a><span id="L26" class="LineNr">26 </span><span class="traceContains">+mem: storing 20 in location 12</span> -<a name="L27"></a><span id="L27" class="LineNr">27 </span><span class="Comment"># store to default space: 10 + (skip refcount and length) 2 + (index) 1</span> -<a name="L28"></a><span id="L28" class="LineNr">28 </span><span class="traceContains">+mem: storing 32 in location 13</span> -<a name="L29"></a><span id="L29" class="LineNr">29 </span><span class="Comment"># store to chained space: (contents of location 12) 20 + (refcount and length) 2 + (index) 1</span> -<a name="L30"></a><span id="L30" class="LineNr">30 </span><span class="traceContains">+mem: storing 33 in location 23</span> -<a name="L31"></a><span id="L31" class="LineNr">31 </span> -<a name="L32"></a><span id="L32" class="LineNr">32 </span><span class="Delimiter">:(before "End Checks For Reclaiming Locals")</span> -<a name="L33"></a><span id="L33" class="LineNr">33 </span><span class="Normal">if</span> <span class="Delimiter">(</span>space_index<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> > <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> -<a name="L34"></a><span id="L34" class="LineNr">34 </span> -<a name="L35"></a><span id="L35" class="LineNr">35 </span><span class="Comment">//: If you think of a space as a collection of variables with a common</span> -<a name="L36"></a><span id="L36" class="LineNr">36 </span><span class="Comment">//: lifetime, surrounding allows managing shorter lifetimes inside a longer</span> -<a name="L37"></a><span id="L37" class="LineNr">37 </span><span class="Comment">//: one.</span> -<a name="L38"></a><span id="L38" class="LineNr">38 </span> -<a name="L39"></a><span id="L39" class="LineNr">39 </span><span class="Delimiter">:(replace{} "int space_base(const reagent& x)")</span> -<a name="L40"></a><span id="L40" class="LineNr">40 </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="L41"></a><span id="L41" class="LineNr">41 </span> <span class="Normal">int</span> base = 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="L42"></a><span id="L42" class="LineNr">42 </span> <span class="Identifier">return</span> space_base<span class="Delimiter">(</span>x<span class="Delimiter">,</span> space_index<span class="Delimiter">(</span>x<span class="Delimiter">),</span> base<span class="Delimiter">);</span> -<a name="L43"></a><span id="L43" class="LineNr">43 </span><span class="Delimiter">}</span> -<a name="L44"></a><span id="L44" class="LineNr">44 </span> -<a name="L45"></a><span id="L45" class="LineNr">45 </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="Normal">int</span> space_index<span class="Delimiter">,</span> <span class="Normal">int</span> base<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<a name="L46"></a><span id="L46" class="LineNr">46 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>space_index == <span class="Constant">0</span><span class="Delimiter">)</span> -<a name="L47"></a><span id="L47" class="LineNr">47 </span> <span class="Identifier">return</span> base<span class="Delimiter">;</span> -<a name="L48"></a><span id="L48" class="LineNr">48 </span> <span class="Normal">int</span> result = space_base<span class="Delimiter">(</span>x<span class="Delimiter">,</span> space_index-<span class="Constant">1</span><span class="Delimiter">,</span> get_or_insert<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> base+<span class="Comment">/*</span><span class="Comment">skip length</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">))</span>+<span class="Comment">/*</span><span class="Comment">skip refcount</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span> -<a name="L49"></a><span id="L49" class="LineNr">49 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span> -<a name="L50"></a><span id="L50" class="LineNr">50 </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="Normal">int</span> space_index<span class="Delimiter">(</span><span class="Normal">const</span> reagent& x<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<a name="L53"></a><span id="L53" class="LineNr">53 </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>x<span class="Delimiter">.</span>properties<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<a name="L54"></a><span id="L54" class="LineNr">54 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>first == <span class="Constant">"space"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> -<a name="L55"></a><span id="L55" class="LineNr">55 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second || x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second<span class="Delimiter">-></span>right<span class="Delimiter">)</span> -<a name="L56"></a><span id="L56" class="LineNr">56 </span> raise << maybe<span class="Delimiter">(</span>current_recipe_name<span class="Delimiter">())</span> << <span class="Constant">"/space metadata should take exactly one value in '"</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="L57"></a><span id="L57" class="LineNr">57 </span> <span class="Identifier">return</span> to_integer<span class="Delimiter">(</span>x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second<span class="Delimiter">-></span>value<span class="Delimiter">);</span> -<a name="L58"></a><span id="L58" class="LineNr">58 </span> <span class="Delimiter">}</span> -<a name="L59"></a><span id="L59" class="LineNr">59 </span> <span class="Delimiter">}</span> -<a name="L60"></a><span id="L60" class="LineNr">60 </span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span> -<a name="L61"></a><span id="L61" class="LineNr">61 </span><span class="Delimiter">}</span> -<a name="L62"></a><span id="L62" class="LineNr">62 </span> -<a name="L63"></a><span id="L63" class="LineNr">63 </span><span class="Delimiter">:(scenario permit_space_as_variable_name)</span> -<a name="L64"></a><span id="L64" class="LineNr">64 </span><span class="muRecipe">def</span> main [ -<a name="L65"></a><span id="L65" class="LineNr">65 </span> <span class="Normal">space</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span> -<a name="L66"></a><span id="L66" class="LineNr">66 </span>] +<span id="L1" class="LineNr"> 1 </span><span class="Comment">//: So far you can have global variables by not setting default-space, and</span> +<span id="L2" class="LineNr"> 2 </span><span class="Comment">//: local variables by setting default-space. You can isolate variables</span> +<span id="L3" class="LineNr"> 3 </span><span class="Comment">//: between those extremes by creating 'surrounding' spaces.</span> +<span id="L4" class="LineNr"> 4 </span><span class="Comment">//:</span> +<span id="L5" class="LineNr"> 5 </span><span class="Comment">//: (Surrounding spaces are like lexical scopes in other languages.)</span> +<span id="L6" class="LineNr"> 6 </span> +<span id="L7" class="LineNr"> 7 </span><span class="Delimiter">:(scenario surrounding_space)</span> +<span id="L8" class="LineNr"> 8 </span><span class="Comment"># location 1 in space 1 refers to the space surrounding the default space, here 20.</span> +<span id="L9" class="LineNr"> 9 </span><span class="muRecipe">def</span> main [ +<span id="L10" class="LineNr">10 </span> <span class="Comment"># pretend address:array:location; in practice we'll use new</span> +<span id="L11" class="LineNr">11 </span> <span class="Constant">10</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span> <span class="Comment"># refcount</span> +<span id="L12" class="LineNr">12 </span> <span class="Constant">11</span>:num<span class="Special"> <- </span>copy <span class="Constant">5</span> <span class="Comment"># length</span> +<span id="L13" class="LineNr">13 </span> <span class="Comment"># pretend address:array:location; in practice we'll use new</span> +<span id="L14" class="LineNr">14 </span> <span class="Constant">20</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span> <span class="Comment"># refcount</span> +<span id="L15" class="LineNr">15 </span> <span class="Constant">21</span>:num<span class="Special"> <- </span>copy <span class="Constant">5</span> <span class="Comment"># length</span> +<span id="L16" class="LineNr">16 </span> <span class="Comment"># actual start of this recipe</span> +<span id="L17" class="LineNr">17 </span> <span class="Normal">default</span>-space:space<span class="Special"> <- </span>copy <span class="Constant">10</span>/unsafe +<span id="L18" class="LineNr">18 </span> <span class="Comment">#: later layers will explain the /names: property</span> +<span id="L19" class="LineNr">19 </span> <span class="Constant">0</span>:space/names:dummy<span class="Special"> <- </span>copy <span class="Constant">20</span>/unsafe +<span id="L20" class="LineNr">20 </span> <span class="Constant">1</span>:num<span class="Special"> <- </span>copy <span class="Constant">32</span> +<span id="L21" class="LineNr">21 </span> <span class="Constant">1</span>:num/space:<span class="Constant">1</span><span class="Special"> <- </span>copy <span class="Constant">33</span> +<span id="L22" class="LineNr">22 </span>] +<span id="L23" class="LineNr">23 </span><span class="muRecipe">def</span> dummy [ <span class="Comment"># just for the /names: property above</span> +<span id="L24" class="LineNr">24 </span>] +<span id="L25" class="LineNr">25 </span><span class="Comment"># chain space: 10 + (refcount and length) 2</span> +<span id="L26" class="LineNr">26 </span><span class="traceContains">+mem: storing 20 in location 12</span> +<span id="L27" class="LineNr">27 </span><span class="Comment"># store to default space: 10 + (skip refcount and length) 2 + (index) 1</span> +<span id="L28" class="LineNr">28 </span><span class="traceContains">+mem: storing 32 in location 13</span> +<span id="L29" class="LineNr">29 </span><span class="Comment"># store to chained space: (contents of location 12) 20 + (refcount and length) 2 + (index) 1</span> +<span id="L30" class="LineNr">30 </span><span class="traceContains">+mem: storing 33 in location 23</span> +<span id="L31" class="LineNr">31 </span> +<span id="L32" class="LineNr">32 </span><span class="Delimiter">:(before "End Checks For Reclaiming Locals")</span> +<span id="L33" class="LineNr">33 </span><span class="Normal">if</span> <span class="Delimiter">(</span>space_index<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> > <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> +<span id="L34" class="LineNr">34 </span> +<span id="L35" class="LineNr">35 </span><span class="Comment">//: If you think of a space as a collection of variables with a common</span> +<span id="L36" class="LineNr">36 </span><span class="Comment">//: lifetime, surrounding allows managing shorter lifetimes inside a longer</span> +<span id="L37" class="LineNr">37 </span><span class="Comment">//: one.</span> +<span id="L38" class="LineNr">38 </span> +<span id="L39" class="LineNr">39 </span><span class="Delimiter">:(replace{} "int space_base(const reagent& x)")</span> +<span id="L40" class="LineNr">40 </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 id="L41" class="LineNr">41 </span> <span class="Normal">int</span> base = 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 id="L42" class="LineNr">42 </span> <span class="Identifier">return</span> space_base<span class="Delimiter">(</span>x<span class="Delimiter">,</span> space_index<span class="Delimiter">(</span>x<span class="Delimiter">),</span> base<span class="Delimiter">);</span> +<span id="L43" class="LineNr">43 </span><span class="Delimiter">}</span> +<span id="L44" class="LineNr">44 </span> +<span id="L45" class="LineNr">45 </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="Normal">int</span> space_index<span class="Delimiter">,</span> <span class="Normal">int</span> base<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L46" class="LineNr">46 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>space_index == <span class="Constant">0</span><span class="Delimiter">)</span> +<span id="L47" class="LineNr">47 </span> <span class="Identifier">return</span> base<span class="Delimiter">;</span> +<span id="L48" class="LineNr">48 </span> <span class="Normal">int</span> result = space_base<span class="Delimiter">(</span>x<span class="Delimiter">,</span> space_index-<span class="Constant">1</span><span class="Delimiter">,</span> get_or_insert<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> base+<span class="Comment">/*</span><span class="Comment">skip length</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">))</span>+<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="L49" class="LineNr">49 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span> +<span id="L50" class="LineNr">50 </span><span class="Delimiter">}</span> +<span id="L51" class="LineNr">51 </span> +<span id="L52" class="LineNr">52 </span><span class="Normal">int</span> space_index<span class="Delimiter">(</span><span class="Normal">const</span> reagent& x<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L53" class="LineNr">53 </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>x<span class="Delimiter">.</span>properties<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L54" class="LineNr">54 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>first == <span class="Constant">"space"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L55" class="LineNr">55 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second || x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second<span class="Delimiter">-></span>right<span class="Delimiter">)</span> +<span id="L56" class="LineNr">56 </span> raise << maybe<span class="Delimiter">(</span>current_recipe_name<span class="Delimiter">())</span> << <span class="Constant">"/space metadata should take exactly one value in '"</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> +<span id="L57" class="LineNr">57 </span> <span class="Identifier">return</span> to_integer<span class="Delimiter">(</span>x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second<span class="Delimiter">-></span>value<span class="Delimiter">);</span> +<span id="L58" class="LineNr">58 </span> <span class="Delimiter">}</span> +<span id="L59" class="LineNr">59 </span> <span class="Delimiter">}</span> +<span id="L60" class="LineNr">60 </span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span> +<span id="L61" class="LineNr">61 </span><span class="Delimiter">}</span> +<span id="L62" class="LineNr">62 </span> +<span id="L63" class="LineNr">63 </span><span class="Delimiter">:(scenario permit_space_as_variable_name)</span> +<span id="L64" class="LineNr">64 </span><span class="muRecipe">def</span> main [ +<span id="L65" class="LineNr">65 </span> <span class="Normal">space</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span> +<span id="L66" class="LineNr">66 </span>] </pre> </body> </html> |