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<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="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>
def main [
<span class="Comment"># pretend shared:array:location; in practice we'll use new</span>
<span class="Constant">10</span>:number<span class="Special"> <- </span>copy <span class="Constant">0</span> <span class="Comment"># refcount</span>
<span class="Constant">11</span>:number<span class="Special"> <- </span>copy <span class="Constant">5</span> <span class="Comment"># length</span>
<span class="Normal">default</span>-space:address:shared:array:location<span class="Special"> <- </span>copy <span class="Constant">10</span>/unsafe
<span class="Constant">1</span>:number<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>
def main [
<span class="Comment"># pretend pointer from outside</span>
<span class="Constant">3</span>:number<span class="Special"> <- </span>copy <span class="Constant">34</span>
<span class="Comment"># pretend shared:array:location; in practice we'll use new</span>
<span class="Constant">1000</span>:number<span class="Special"> <- </span>copy <span class="Constant">0</span> <span class="Comment"># refcount</span>
<span class="Constant">1001</span>:number<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:address:shared:array:location<span class="Special"> <- </span>copy <span class="Constant">1000</span>/unsafe
<span class="Constant">1</span>:address:number<span class="Special"> <- </span>copy <span class="Constant">3</span>/unsafe
<span class="Constant">8</span>:number/<span class="Special">raw <- </span>copy *<span class="Constant">1</span>:address:number
]
<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>
def main [
<span class="Normal">default</span>-space:number<span class="Delimiter">,</span> x:number<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 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 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> <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="cSpecial">'\n'</span> << end<span class="Delimiter">();</span>
<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="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="Comment">// temporary stub; will be replaced in a later layer</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 "void write_memory(reagent x, const vector<double>& 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>
|| !x<span class="Delimiter">.</span>type
|| x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>value != get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">"address"</span><span class="Delimiter">)</span>
|| !x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right
|| x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>value != get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">"shared"</span><span class="Delimiter">)</span>
|| !x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right
|| x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>value != get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">"array"</span><span class="Delimiter">)</span>
|| !x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right
|| x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>value != get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">"location"</span><span class="Delimiter">)</span>
|| x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">)</span> <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:shared:array:location, but tried to write "</span> << to_string<span class="Delimiter">(</span>data<span class="Delimiter">)</span> << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span>
<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">:(scenario get_default_space)</span>
def main [
<span class="Normal">default</span>-space:address:shared:array:location<span class="Special"> <- </span>copy <span class="Constant">10</span>/unsafe
<span class="Constant">1</span>:address:shared:array:location/<span class="Special">raw <- </span>copy <span class="Normal">default</span>-space:address:shared:array:location
]
<span class="traceContains">+mem: storing 10 in location 1</span>
<span class="Delimiter">:(after "vector<double> read_memory(reagent 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>
def main [
<span class="Comment"># pretend pointer to container from outside</span>
<span class="Constant">12</span>:number<span class="Special"> <- </span>copy <span class="Constant">34</span>
<span class="Constant">13</span>:number<span class="Special"> <- </span>copy <span class="Constant">35</span>
<span class="Comment"># pretend shared:array:location; in practice we'll use new</span>
<span class="Constant">1000</span>:number<span class="Special"> <- </span>copy <span class="Constant">0</span> <span class="Comment"># refcount</span>
<span class="Constant">1001</span>:number<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:address:shared:array:location<span class="Special"> <- </span>copy <span class="Constant">1000</span>/unsafe
<span class="Constant">1</span>:address:point<span class="Special"> <- </span>copy <span class="Constant">12</span>/unsafe
<span class="Constant">9</span>:number/<span class="Special">raw <- </span>get *<span class="Constant">1</span>:address:point<span class="Delimiter">,</span> <span class="Constant">1</span>:offset
]
<span class="traceContains">+mem: storing 35 in location 9</span>
<span class="Delimiter">:(after "reagent tmp" following "case GET:")</span>
tmp<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>
def main [
<span class="Comment"># pretend pointer to array from outside</span>
<span class="Constant">12</span>:number<span class="Special"> <- </span>copy <span class="Constant">2</span>
<span class="Constant">13</span>:number<span class="Special"> <- </span>copy <span class="Constant">34</span>
<span class="Constant">14</span>:number<span class="Special"> <- </span>copy <span class="Constant">35</span>
<span class="Comment"># pretend shared:array:location; in practice we'll use new</span>
<span class="Constant">1000</span>:number<span class="Special"> <- </span>copy <span class="Constant">0</span> <span class="Comment"># refcount</span>
<span class="Constant">1001</span>:number<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:address:shared:array:location<span class="Special"> <- </span>copy <span class="Constant">1000</span>/unsafe
<span class="Constant">1</span>:address:array:number<span class="Special"> <- </span>copy <span class="Constant">12</span>/unsafe
<span class="Constant">9</span>:number/<span class="Special">raw <- </span>index *<span class="Constant">1</span>:address:array:number<span class="Delimiter">,</span> <span class="Constant">1</span>
]
<span class="traceContains">+mem: storing 35 in location 9</span>
<span class="Delimiter">:(after "reagent tmp" following "case INDEX:")</span>
tmp<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>
def main [
<span class="Normal">new</span>-<span class="Normal">default</span>-space
<span class="Normal">x</span>:number<span class="Special"> <- </span>copy <span class="Constant">0</span>
<span class="Normal">y</span>:number<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 size is 3</span>
<span class="Delimiter">:(before "End is_disqualified 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 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:address:shared:array:location <- 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 "vector<double> read_memory(reagent 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 "void write_memory(reagent x, const vector<double>& 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">//:: 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>
def 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
]
def foo [
local-scope
<span class="Normal">x</span>:number<span class="Special"> <- </span>copy <span class="Constant">34</span>
<span class="Identifier">return</span> <span class="Normal">default</span>-space:address:shared: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">:(code)</span> <span class="Comment">// pending test</span>
<span class="CommentedCode">//? :(scenario local_scope_frees_up_allocations)</span>
<span class="CommentedCode">//? def main [</span>
<span class="CommentedCode">//? local-scope</span>
<span class="CommentedCode">//? x:address:shared:array:character <- new [abc]</span>
<span class="CommentedCode">//? ]</span>
<span class="CommentedCode">//? +mem: clearing x:address:shared:array:character</span>
<span class="Comment">//: todo: do this in a transform, rather than magically in the reply 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="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, 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="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>
<span class="Comment">// </span><span class="Todo">TODO</span><span class="Comment">: this isn't working yet. Doesn't handle address:shared stored in</span>
<span class="Comment">// containers created by 'copy' or 'merge'. We'd end up deleting the address</span>
<span class="Comment">// even if some container containing it was returned.</span>
<span class="Comment">// This might doom our whole refcounting-based approach :/</span>
<span class="CommentedCode">//? vector<double> zero;</span>
<span class="CommentedCode">//? zero.push_back(0);</span>
<span class="CommentedCode">//? for (int i = /*leave default space for last*/1; i < SIZE(exiting_recipe.steps); ++i) {</span>
<span class="CommentedCode">//? const instruction& inst = exiting_recipe.steps.at(i);</span>
<span class="CommentedCode">//? for (int i = 0; i < SIZE(inst.products); ++i) {</span>
<span class="CommentedCode">//? if (!is_mu_address(inst.products.at(i))) continue;</span>
<span class="CommentedCode">//? // local variables only</span>
<span class="CommentedCode">//? if (has_property(inst.products.at(i), "space")) continue;</span>
<span class="CommentedCode">//? if (has_property(inst.products.at(i), "lookup")) continue;</span>
<span class="CommentedCode">//? if (escaping(inst.products.at(i))) continue;</span>
<span class="CommentedCode">//? trace(9999, "mem") << "clearing " << inst.products.at(i).original_string << end();</span>
<span class="CommentedCode">//? write_memory(inst.products.at(i), zero);</span>
<span class="CommentedCode">//? }</span>
<span class="CommentedCode">//? }</span>
abandon<span class="Delimiter">(</span>current_call<span class="Delimiter">().</span>default_space<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="Comment">// is this reagent one of the values returned by the current (reply) instruction?</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>
<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="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="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>
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>
<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:address:shared:array:location"</span><span class="Delimiter">));</span>
<span class="Delimiter">}</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">// skip scenarios (later layer)</span>
<span class="Comment">// user code should never create recipes with underscores in their names</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">.</span>find<span class="Delimiter">(</span><span class="Constant">"scenario_"</span><span class="Delimiter">)</span> == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// skip mu scenarios which will use raw memory locations</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">.</span>find<span class="Delimiter">(</span><span class="Constant">"run_"</span><span class="Delimiter">)</span> == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// skip calls to 'run', which should be in scenarios and will also use raw memory locations</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 << maybe<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <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 Core")</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>
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