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<span class="Comment">//: Spaces help isolate functions 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 11 to 15 (inclusive),</span>
<span class="Comment"># then location 0 is really location 11, location 1 is really location 12, and so on.</span>
recipe main [
<span class="Constant">10</span>:integer<span class="Special"> <- </span>copy <span class="Constant">5</span>:literal <span class="Comment"># pretend array; in practice we'll use new</span>
default-space:address:array:location<span class="Special"> <- </span>copy <span class="Constant">10</span>:literal
<span class="Constant">1</span>:integer<span class="Special"> <- </span>copy <span class="Constant">23</span>:literal
]
<span class="traceContains">+mem: storing 23 in location 12</span>
<span class="Delimiter">:(scenario deref_sidesteps_default_space)</span>
recipe main [
<span class="Comment"># pretend pointer from outside</span>
<span class="Constant">3</span>:integer<span class="Special"> <- </span>copy <span class="Constant">34</span>:literal
<span class="Comment"># pretend array</span>
<span class="Constant">1000</span>:integer<span class="Special"> <- </span>copy <span class="Constant">5</span>:literal
<span class="Comment"># actual start of this function</span>
default-space:address:array:location<span class="Special"> <- </span>copy <span class="Constant">1000</span>:literal
<span class="Constant">1</span>:address:integer<span class="Special"> <- </span>copy <span class="Constant">3</span>:literal
<span class="Constant">8</span>:integer/<span class="Special">raw <- </span>copy <span class="Constant">1</span>:address:integer/deref
]
<span class="traceContains">+mem: storing 34 in location 8</span>
<span class="Delimiter">:(before "End call Fields")</span>
index_t default_space<span class="Delimiter">;</span>
<span class="Delimiter">:(replace "call(recipe_number r) :running_recipe(r)")</span>
call<span class="Delimiter">(</span>recipe_number r<span class="Delimiter">)</span> :running_recipe<span class="Delimiter">(</span>r<span class="Delimiter">),</span> running_step_index<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">),</span> next_ingredient_to_process<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">),</span> default_space<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{}</span>
<span class="Delimiter">:(replace "reagent r = x" following "reagent canonize(reagent x)")</span>
reagent r = absolutize<span class="Delimiter">(</span>x<span class="Delimiter">);</span>
<span class="Delimiter">:(code)</span>
reagent absolutize<span class="Delimiter">(</span>reagent x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="CommentedCode">//? if (Recipe_number.find("increment-counter") != Recipe_number.end()) //? 1</span>
<span class="CommentedCode">//? cout << "AAA " << "increment-counter/2: " << Recipe[Recipe_number["increment-counter"]].steps[2].products[0].to_string() << '\n'; //? 1</span>
<span class="CommentedCode">//? cout << "absolutize " << x.to_string() << '\n'; //? 4</span>
<span class="CommentedCode">//? cout << is_raw(x) << '\n'; //? 1</span>
if <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> x<span class="Delimiter">;</span>
<span class="CommentedCode">//? cout << "not raw: " << x.to_string() << '\n'; //? 1</span>
assert<span class="Delimiter">(</span>x<span class="Delimiter">.</span>initialized<span class="Delimiter">);</span>
reagent r = x<span class="Delimiter">;</span>
r<span class="Delimiter">.</span>set_value<span class="Delimiter">(</span>address<span class="Delimiter">(</span>r<span class="Delimiter">.</span>value<span class="Delimiter">,</span> space_base<span class="Delimiter">(</span>r<span class="Delimiter">)));</span>
<span class="CommentedCode">//? cout << "after absolutize: " << r.value << '\n'; //? 1</span>
r<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pair<string<span class="Delimiter">,</span> vector<string> ><span class="Delimiter">(</span><span class="Constant">"raw"</span><span class="Delimiter">,</span> vector<string><span class="Delimiter">()));</span>
assert<span class="Delimiter">(</span>is_raw<span class="Delimiter">(</span>r<span class="Delimiter">));</span>
<span class="Identifier">return</span> r<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(before "return result" following "reagent deref(reagent x)")</span>
result<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pair<string<span class="Delimiter">,</span> vector<string> ><span class="Delimiter">(</span><span class="Constant">"raw"</span><span class="Delimiter">,</span> vector<string><span class="Delimiter">()));</span>
<span class="SalientComment">//:: fix 'get'</span>
<span class="Delimiter">:(scenario deref_sidesteps_default_space_in_get)</span>
recipe main [
<span class="Comment"># pretend pointer to container from outside</span>
<span class="Constant">12</span>:integer<span class="Special"> <- </span>copy <span class="Constant">34</span>:literal
<span class="Constant">13</span>:integer<span class="Special"> <- </span>copy <span class="Constant">35</span>:literal
<span class="Comment"># pretend array</span>
<span class="Constant">1000</span>:integer<span class="Special"> <- </span>copy <span class="Constant">5</span>:literal
<span class="Comment"># actual start of this function</span>
default-space:address:array:location<span class="Special"> <- </span>copy <span class="Constant">1000</span>:literal
<span class="Constant">1</span>:address:point<span class="Special"> <- </span>copy <span class="Constant">12</span>:literal
<span class="Constant">9</span>:integer/<span class="Special">raw <- </span>get <span class="Constant">1</span>:address:point/deref<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> vector<string> ><span class="Delimiter">(</span><span class="Constant">"raw"</span><span class="Delimiter">,</span> vector<string><span class="Delimiter">()));</span>
<span class="SalientComment">//:: fix 'index'</span>
<span class="Delimiter">:(scenario deref_sidesteps_default_space_in_index)</span>
recipe main [
<span class="Comment"># pretend pointer to array from outside</span>
<span class="Constant">12</span>:integer<span class="Special"> <- </span>copy <span class="Constant">2</span>:literal
<span class="Constant">13</span>:integer<span class="Special"> <- </span>copy <span class="Constant">34</span>:literal
<span class="Constant">14</span>:integer<span class="Special"> <- </span>copy <span class="Constant">35</span>:literal
<span class="Comment"># pretend array</span>
<span class="Constant">1000</span>:integer<span class="Special"> <- </span>copy <span class="Constant">5</span>:literal
<span class="Comment"># actual start of this function</span>
default-space:address:array:location<span class="Special"> <- </span>copy <span class="Constant">1000</span>:literal
<span class="Constant">1</span>:address:array:integer<span class="Special"> <- </span>copy <span class="Constant">12</span>:literal
<span class="Constant">9</span>:integer/<span class="Special">raw <- </span>index <span class="Constant">1</span>:address:array:integer/deref<span class="Delimiter">,</span> <span class="Constant">1</span>:literal
]
<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> vector<string> ><span class="Delimiter">(</span><span class="Constant">"raw"</span><span class="Delimiter">,</span> vector<string><span class="Delimiter">()));</span>
<span class="SalientComment">//:: helpers</span>
<span class="Delimiter">:(code)</span>
index_t space_base<span class="Delimiter">(</span>const reagent& x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Identifier">return</span> Current_routine<span class="Delimiter">-></span>calls<span class="Delimiter">.</span>top<span class="Delimiter">().</span>default_space<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
index_t address<span class="Delimiter">(</span>index_t offset<span class="Delimiter">,</span> index_t base<span class="Delimiter">)</span> <span class="Delimiter">{</span>
if <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="CommentedCode">//? cout << base << '\n'; //? 2</span>
if <span class="Delimiter">(</span>offset >= static_cast<index_t><span class="Delimiter">(</span>Memory[base]<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> << Memory[base] << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Identifier">return</span> base+<span class="Constant">1</span> + offset<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(after "void write_memory(reagent x, vector<long long int> data)")</span>
if <span class="Delimiter">(</span>x<span class="Delimiter">.</span>name == <span class="Constant">"default-space"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
assert<span class="Delimiter">(</span>data<span class="Delimiter">.</span>size<span class="Delimiter">()</span> == <span class="Constant">1</span><span class="Delimiter">);</span>
Current_routine<span class="Delimiter">-></span>calls<span class="Delimiter">.</span>top<span class="Delimiter">().</span>default_space = data[<span class="Constant">0</span>]<span class="Delimiter">;</span>
<span class="CommentedCode">//? cout << "AAA " << Current_routine->calls.top().default_space << '\n'; //? 1</span>
<span class="Identifier">return</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(scenario get_default_space)</span>
recipe main [
default-space:address:array:location<span class="Special"> <- </span>copy <span class="Constant">10</span>:literal
<span class="Constant">1</span>:integer/<span class="Special">raw <- </span>copy default-space:address:array:location
]
<span class="traceContains">+mem: storing 10 in location 1</span>
<span class="Delimiter">:(after "vector<long long int> read_memory(reagent x)")</span>
if <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<long long int> result<span class="Delimiter">;</span>
result<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>Current_routine<span class="Delimiter">-></span>calls<span class="Delimiter">.</span>top<span class="Delimiter">().</span>default_space<span class="Delimiter">);</span>
<span class="Identifier">return</span> result<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
</pre>
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