diff options
Diffstat (limited to 'html/044space.cc.html')
| -rw-r--r-- | html/044space.cc.html | 62 |
1 files changed, 54 insertions, 8 deletions
diff --git a/html/044space.cc.html b/html/044space.cc.html index ca3a7bec..b0e25bf2 100644 --- a/html/044space.cc.html +++ b/html/044space.cc.html @@ -160,14 +160,7 @@ if <span class="Delimiter">(</span>s == <span class="Constant">"number-of-l <span class="Comment">// `default-space:address:array:location <- new location:type, number-of-locals:literal`</span> <span class="Comment">// where N is Name[recipe][""]</span> if <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> - curr<span class="Delimiter">.</span>operation = Recipe_ordinal[<span class="Constant">"new"</span>]<span class="Delimiter">;</span> - if <span class="Delimiter">(</span>!curr<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> - raise << <span class="Constant">"new-default-space can't take any ingredients</span><span class="cSpecial">\n</span><span class="Constant">"</span><span class="Delimiter">;</span> - curr<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>reagent<span class="Delimiter">(</span><span class="Constant">"location:type"</span><span class="Delimiter">));</span> - curr<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>reagent<span class="Delimiter">(</span><span class="Constant">"number-of-locals:literal"</span><span class="Delimiter">));</span> - if <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><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:address:array:location"</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 "vector<double> read_memory(reagent x)")</span> if <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> @@ -184,6 +177,59 @@ if <span class="Delimiter">(</span>curr<span class="Delimiter">.</span>name == < <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> +<span class="SalientComment">//:: a little hook to automatically reclaim the default-space when returning</span> +<span class="SalientComment">//:: from a recipe</span> + +<span class="Delimiter">:(scenario local_scope)</span> +recipe main [ + <span class="Constant">1</span>:address<span class="Special"> <- </span>foo + <span class="Constant">2</span>:address<span class="Special"> <- </span>foo + <span class="Constant">3</span>:boolean<span class="Special"> <- </span>equal <span class="Constant">1</span>:address<span class="Delimiter">,</span> <span class="Constant">2</span>:address +] +recipe foo [ + local-scope + x:number<span class="Special"> <- </span>copy <span class="Constant">34</span>:literal + reply default-space:address:array:location +] +<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">:(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="Comment">//: now 'local-scope' is identical to 'new-default-space' except that we'll</span> +<span class="Comment">//: reclaim the default-space when the routine exits</span> +<span class="Delimiter">:(before "End Rewrite Instruction(curr)")</span> +if <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="Delimiter">:(code)</span> +void try_reclaim_locals<span class="Delimiter">()</span> <span class="Delimiter">{</span> + <span class="Comment">// only reclaim routines starting with 'local-scope'</span> + const recipe_ordinal r = Recipe_ordinal[current_recipe_name<span class="Delimiter">()</span>]<span class="Delimiter">;</span> + const instruction& inst = Recipe[r]<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> + if <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name != <span class="Constant">"local-scope"</span><span class="Delimiter">)</span> + <span class="Identifier">return</span><span class="Delimiter">;</span> +<span class="CommentedCode">//? cerr << inst.to_string() << '\n'; //? 1</span> +<span class="CommentedCode">//? cerr << current_recipe_name() << ": abandon " << Current_routine->calls.front().default_space << '\n'; //? 1</span> + abandon<span class="Delimiter">(</span>Current_routine<span class="Delimiter">-></span>calls<span class="Delimiter">.</span>front<span class="Delimiter">().</span>default_space<span class="Delimiter">,</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> + +void rewrite_default_space_instruction<span class="Delimiter">(</span>instruction& curr<span class="Delimiter">)</span> <span class="Delimiter">{</span> + curr<span class="Delimiter">.</span>operation = Recipe_ordinal[<span class="Constant">"new"</span>]<span class="Delimiter">;</span> + if <span class="Delimiter">(</span>!curr<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> + raise << <span class="Constant">"new-default-space can't take any ingredients</span><span class="cSpecial">\n</span><span class="Constant">"</span><span class="Delimiter">;</span> + curr<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>reagent<span class="Delimiter">(</span><span class="Constant">"location:type"</span><span class="Delimiter">));</span> + curr<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>reagent<span class="Delimiter">(</span><span class="Constant">"number-of-locals:literal"</span><span class="Delimiter">));</span> + if <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><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:address:array:location"</span><span class="Delimiter">));</span> +<span class="Delimiter">}</span> + <span class="SalientComment">//:: helpers</span> <span class="Delimiter">:(code)</span> |