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<span class="Comment">//: Clean syntax to manipulate and check the keyboard in scenarios.</span>
<span class="Comment">//: Instruction 'assume-keyboard' implicitly creates a variable called</span>
<span class="Comment">//: 'keyboard' that is accessible inside other 'run' instructions in the</span>
<span class="Comment">//: scenario.</span>
<span class="Delimiter">:(scenarios run_mu_scenario)</span>
<span class="Delimiter">:(scenario keyboard_in_scenario)</span>
scenario keyboard-in-scenario [
assume-keyboard [abc]
run [
<span class="Constant">1</span>:character<span class="Delimiter">,</span> <span class="Constant">2</span>:boolean<span class="Delimiter">,</span> keyboard:address<span class="Special"> <- </span>read-key keyboard:address
<span class="Constant">3</span>:character<span class="Delimiter">,</span> <span class="Constant">4</span>:boolean<span class="Delimiter">,</span> keyboard:address<span class="Special"> <- </span>read-key keyboard:address
<span class="Constant">5</span>:character<span class="Delimiter">,</span> <span class="Constant">6</span>:boolean<span class="Delimiter">,</span> keyboard:address<span class="Special"> <- </span>read-key keyboard:address
<span class="Constant">7</span>:character<span class="Delimiter">,</span> <span class="Constant">8</span>:boolean<span class="Delimiter">,</span> keyboard:address<span class="Special"> <- </span>read-key keyboard:address
]
memory-should-contain [
<span class="Constant">1</span><span class="Special"> <- </span><span class="Constant">97</span> <span class="Comment"># 'a'</span>
<span class="Constant">2</span><span class="Special"> <- </span><span class="Constant">1</span>
<span class="Constant">3</span><span class="Special"> <- </span><span class="Constant">98</span> <span class="Comment"># 'b'</span>
<span class="Constant">4</span><span class="Special"> <- </span><span class="Constant">1</span>
<span class="Constant">5</span><span class="Special"> <- </span><span class="Constant">99</span> <span class="Comment"># 'c'</span>
<span class="Constant">6</span><span class="Special"> <- </span><span class="Constant">1</span>
<span class="Constant">7</span><span class="Special"> <- </span><span class="Constant">0</span> <span class="Comment"># eof</span>
<span class="Constant">8</span><span class="Special"> <- </span><span class="Constant">1</span>
]
]
<span class="Delimiter">:(before "End Scenario Globals")</span>
const size_t KEYBOARD = Next_predefined_global_for_scenarios++<span class="Delimiter">;</span>
<span class="Delimiter">:(before "End Predefined Scenario Locals In Run")</span>
Name[tmp_recipe<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span>][<span class="Constant">"keyboard"</span>] = KEYBOARD<span class="Delimiter">;</span>
<span class="Delimiter">:(before "End Rewrite Instruction(curr)")</span>
<span class="Comment">// rewrite `assume-keyboard string` to</span>
<span class="Comment">// ```</span>
<span class="Comment">// keyboard:address <- new string # hacky reuse of location</span>
<span class="Comment">// keyboard:address <- init-fake-keyboard keyboard:address</span>
<span class="Comment">// ```</span>
if <span class="Delimiter">(</span>curr<span class="Delimiter">.</span>name == <span class="Constant">"assume-keyboard"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Comment">// insert first instruction</span>
curr<span class="Delimiter">.</span>operation = Recipe_number[<span class="Constant">"new"</span>]<span class="Delimiter">;</span>
assert<span class="Delimiter">(</span>curr<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<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">"keyboard:address"</span><span class="Delimiter">));</span>
curr<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>set_value<span class="Delimiter">(</span>KEYBOARD<span class="Delimiter">);</span>
result<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>curr<span class="Delimiter">);</span> <span class="Comment">// hacky that "Rewrite Instruction" is converting to multiple instructions</span>
<span class="Comment">// leave second instruction in curr</span>
curr<span class="Delimiter">.</span>clear<span class="Delimiter">();</span>
curr<span class="Delimiter">.</span>operation = Recipe_number[<span class="Constant">"init-fake-keyboard"</span>]<span class="Delimiter">;</span>
assert<span class="Delimiter">(</span>curr<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<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">"keyboard:address"</span><span class="Delimiter">));</span>
curr<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>set_value<span class="Delimiter">(</span>KEYBOARD<span class="Delimiter">);</span>
assert<span class="Delimiter">(</span>curr<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<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">"keyboard:address"</span><span class="Delimiter">));</span>
curr<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>set_value<span class="Delimiter">(</span>KEYBOARD<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
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