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<pre id='vimCodeElement'>
<span class="Comment">//: Clean syntax to manipulate and check the console in scenarios.</span>
<span class="Comment">//: Instruction 'assume-console' implicitly creates a variable called</span>
<span class="Comment">//: 'console' that is accessible inside other 'run' instructions in the</span>
<span class="Comment">//: scenario. Like with the fake screen, 'assume-console' transparently</span>
<span class="Comment">//: supports unicode.</span>
<span class="Comment">//: first make sure we don't mangle these functions in other transforms</span>
<span class="Delimiter">:(before "End initialize_transform_rewrite_literal_string_to_text()")</span>
recipes_taking_literal_strings<span class="Delimiter">.</span>insert<span class="Delimiter">(</span><span class="Constant">"assume-console"</span><span class="Delimiter">);</span>
<span class="Delimiter">:(scenarios run_mu_scenario)</span>
<span class="Delimiter">:(scenario keyboard_in_scenario)</span>
<span class="muScenario">scenario</span> keyboard-in-scenario [
assume-console [
type [abc]
]
run [
<span class="Constant">1</span>:<span class="Normal">char</span><span class="Delimiter">,</span> <span class="Constant">2</span>:<span class="Normal">bool</span><span class="Special"> <- </span>read-key console
<span class="Constant">3</span>:<span class="Normal">char</span><span class="Delimiter">,</span> <span class="Constant">4</span>:<span class="Normal">bool</span><span class="Special"> <- </span>read-key console
<span class="Constant">5</span>:<span class="Normal">char</span><span class="Delimiter">,</span> <span class="Constant">6</span>:<span class="Normal">bool</span><span class="Special"> <- </span>read-key console
<span class="Constant">7</span>:<span class="Normal">char</span><span class="Delimiter">,</span> <span class="Constant">8</span>:<span class="Normal">bool</span><span class="Delimiter">,</span> <span class="Constant">9</span>:<span class="Normal">bool</span><span class="Special"> <- </span>read-key console
]
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"># unset</span>
<span class="Constant">8</span><span class="Special"> <- </span><span class="Constant">1</span>
<span class="Constant">9</span><span class="Special"> <- </span><span class="Constant">1</span> <span class="Comment"># end of test events</span>
]
]
<span class="Delimiter">:(before "End Scenario Globals")</span>
<span class="Normal">extern</span> <span class="Normal">const</span> <span class="Normal">int</span> CONSOLE = Next_predefined_global_for_scenarios++<span class="Delimiter">;</span>
<span class="Comment">//: give 'console' a fixed location in scenarios</span>
<span class="Delimiter">:(before "End Special Scenario Variable Names(r)")</span>
Name[r][<span class="Constant">"console"</span>] = CONSOLE<span class="Delimiter">;</span>
<span class="Comment">//: make 'console' always a raw location in scenarios</span>
<span class="Delimiter">:(before "End is_special_name Cases")</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>s == <span class="Constant">"console"</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
<span class="Delimiter">:(before "End Primitive Recipe Declarations")</span>
ASSUME_CONSOLE<span class="Delimiter">,</span>
<span class="Delimiter">:(before "End Primitive Recipe Numbers")</span>
put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"assume-console"</span><span class="Delimiter">,</span> ASSUME_CONSOLE<span class="Delimiter">);</span>
<span class="Delimiter">:(before "End Primitive Recipe Checks")</span>
<span class="Normal">case</span> ASSUME_CONSOLE: <span class="Delimiter">{</span>
<span class="Identifier">break</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(before "End Primitive Recipe Implementations")</span>
<span class="Normal">case</span> ASSUME_CONSOLE: <span class="Delimiter">{</span>
<span class="Comment">// create a temporary recipe just for parsing; it won't contain valid instructions</span>
istringstream in<span class="Delimiter">(</span><span class="Constant">"["</span> + current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name + <span class="Constant">"]"</span><span class="Delimiter">);</span>
recipe r<span class="Delimiter">;</span>
slurp_body<span class="Delimiter">(</span>in<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
<span class="Normal">int</span> num_events = count_events<span class="Delimiter">(</span>r<span class="Delimiter">);</span>
<span class="Comment">// initialize the events like in new-fake-console</span>
<span class="Normal">int</span> size = <span class="Comment">/*</span><span class="Comment">space for refcount and length</span><span class="Comment">*/</span><span class="Constant">2</span> + num_events*size_of_event<span class="Delimiter">();</span>
<span class="Normal">int</span> event_data_address = allocate<span class="Delimiter">(</span>size<span class="Delimiter">);</span>
<span class="Comment">// store length</span>
put<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> event_data_address+<span class="Comment">/*</span><span class="Comment">skip refcount</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">,</span> num_events<span class="Delimiter">);</span>
<span class="Normal">int</span> curr_address = event_data_address + <span class="Comment">/*</span><span class="Comment">skip refcount and length</span><span class="Comment">*/</span><span class="Constant">2</span><span class="Delimiter">;</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>r<span class="Delimiter">.</span>steps<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Normal">const</span> instruction& inst = r<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">"left-click"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
trace<span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">"mem"</span><span class="Delimiter">)</span> << <span class="Constant">"storing 'left-click' event starting at "</span> << Current_routine<span class="Delimiter">-></span>alloc << end<span class="Delimiter">();</span>
put<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address<span class="Delimiter">,</span> <span class="Comment">/*</span><span class="Comment">tag for 'touch-event' variant of 'event' exclusive-container</span><span class="Comment">*/</span><span class="Constant">2</span><span class="Delimiter">);</span>
put<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address+<span class="Comment">/*</span><span class="Comment">skip tag</span><span class="Comment">*/</span><span class="Constant">1</span>+<span class="Comment">/*</span><span class="Comment">offset of 'type' in 'mouse-event'</span><span class="Comment">*/</span><span class="Constant">0</span><span class="Delimiter">,</span> TB_KEY_MOUSE_LEFT<span class="Delimiter">);</span>
put<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address+<span class="Comment">/*</span><span class="Comment">skip tag</span><span class="Comment">*/</span><span class="Constant">1</span>+<span class="Comment">/*</span><span class="Comment">offset of 'row' in 'mouse-event'</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">,</span> to_integer<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name<span class="Delimiter">));</span>
put<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address+<span class="Comment">/*</span><span class="Comment">skip tag</span><span class="Comment">*/</span><span class="Constant">1</span>+<span class="Comment">/*</span><span class="Comment">offset of 'column' in 'mouse-event'</span><span class="Comment">*/</span><span class="Constant">2</span><span class="Delimiter">,</span> to_integer<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>name<span class="Delimiter">));</span>
curr_address += size_of_event<span class="Delimiter">();</span>
<span class="Delimiter">}</span>
<span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">"press"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
trace<span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">"mem"</span><span class="Delimiter">)</span> << <span class="Constant">"storing 'press' event starting at "</span> << curr_address << end<span class="Delimiter">();</span>
string key = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name<span class="Delimiter">;</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>is_integer<span class="Delimiter">(</span>key<span class="Delimiter">))</span>
put<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address+<span class="Constant">1</span><span class="Delimiter">,</span> to_integer<span class="Delimiter">(</span>key<span class="Delimiter">));</span>
<span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Key<span class="Delimiter">,</span> key<span class="Delimiter">))</span>
put<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address+<span class="Constant">1</span><span class="Delimiter">,</span> Key[key]<span class="Delimiter">);</span>
<span class="Normal">else</span>
raise << <span class="Constant">"assume-console: can't press '"</span> << key << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>get_or_insert<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address+<span class="Constant">1</span><span class="Delimiter">)</span> < <span class="Constant">256</span><span class="Delimiter">)</span>
<span class="Comment">// these keys are in ascii</span>
put<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address<span class="Delimiter">,</span> <span class="Comment">/*</span><span class="Comment">tag for 'text' variant of 'event' exclusive-container</span><span class="Comment">*/</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span class="Normal">else</span> <span class="Delimiter">{</span>
<span class="Comment">// distinguish from unicode</span>
put<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address<span class="Delimiter">,</span> <span class="Comment">/*</span><span class="Comment">tag for 'keycode' variant of 'event' exclusive-container</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">);</span>
<span class="Delimiter">}</span>
curr_address += size_of_event<span class="Delimiter">();</span>
<span class="Delimiter">}</span>
<span class="Comment">// End Event Handlers</span>
<span class="Normal">else</span> <span class="Delimiter">{</span>
<span class="Comment">// keyboard input</span>
assert<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">"type"</span><span class="Delimiter">);</span>
trace<span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">"mem"</span><span class="Delimiter">)</span> << <span class="Constant">"storing 'type' event starting at "</span> << curr_address << end<span class="Delimiter">();</span>
<span class="Normal">const</span> string& contents = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name<span class="Delimiter">;</span>
<span class="Normal">const</span> <span class="Normal">char</span>* raw_contents = contents<span class="Delimiter">.</span>c_str<span class="Delimiter">();</span>
<span class="Normal">int</span> num_keyboard_events = unicode_length<span class="Delimiter">(</span>contents<span class="Delimiter">);</span>
<span class="Normal">int</span> curr = <span class="Constant">0</span><span class="Delimiter">;</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 < num_keyboard_events<span class="Delimiter">;</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
trace<span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">"mem"</span><span class="Delimiter">)</span> << <span class="Constant">"storing 'text' tag at "</span> << curr_address << end<span class="Delimiter">();</span>
put<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address<span class="Delimiter">,</span> <span class="Comment">/*</span><span class="Comment">tag for 'text' variant of 'event' exclusive-container</span><span class="Comment">*/</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span class="Normal">uint32_t</span> curr_character<span class="Delimiter">;</span>
assert<span class="Delimiter">(</span>curr < SIZE<span class="Delimiter">(</span>contents<span class="Delimiter">));</span>
tb_utf8_char_to_unicode<span class="Delimiter">(</span>&curr_character<span class="Delimiter">,</span> &raw_contents[curr]<span class="Delimiter">);</span>
trace<span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">"mem"</span><span class="Delimiter">)</span> << <span class="Constant">"storing character "</span> << curr_character << <span class="Constant">" at "</span> << curr_address+<span class="Comment">/*</span><span class="Comment">skip exclusive container tag</span><span class="Comment">*/</span><span class="Constant">1</span> << end<span class="Delimiter">();</span>
put<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address+<span class="Comment">/*</span><span class="Comment">skip exclusive container tag</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">,</span> curr_character<span class="Delimiter">);</span>
curr += tb_utf8_char_length<span class="Delimiter">(</span>raw_contents[curr]<span class="Delimiter">);</span>
curr_address += size_of_event<span class="Delimiter">();</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
assert<span class="Delimiter">(</span>curr_address == event_data_address+size<span class="Delimiter">);</span>
<span class="Comment">// wrap the array of events in a console object</span>
<span class="Normal">int</span> console_address = allocate<span class="Delimiter">(</span>size_of_console<span class="Delimiter">());</span>
trace<span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">"mem"</span><span class="Delimiter">)</span> << <span class="Constant">"storing console in "</span> << console_address << end<span class="Delimiter">();</span>
put<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> CONSOLE<span class="Delimiter">,</span> console_address<span class="Delimiter">);</span>
trace<span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">"mem"</span><span class="Delimiter">)</span> << <span class="Constant">"storing console data in "</span> << console_address+<span class="Comment">/*</span><span class="Comment">skip refcount</span><span class="Comment">*/</span><span class="Constant">1</span>+<span class="Comment">/*</span><span class="Comment">offset of 'data' in container 'events'</span><span class="Comment">*/</span><span class="Constant">1</span> << end<span class="Delimiter">();</span>
put<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> console_address+<span class="Comment">/*</span><span class="Comment">skip refcount</span><span class="Comment">*/</span><span class="Constant">1</span>+<span class="Comment">/*</span><span class="Comment">offset of 'data' in container 'events'</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">,</span> event_data_address<span class="Delimiter">);</span>
<span class="Comment">// increment refcount for event data</span>
put<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> event_data_address<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
<span class="Comment">// increment refcount for console</span>
put<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> console_address<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
<span class="Identifier">break</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(before "End Globals")</span>
map<string<span class="Delimiter">,</span> <span class="Normal">int</span>> Key<span class="Delimiter">;</span>
<span class="Delimiter">:(before "End One-time Setup")</span>
initialize_key_names<span class="Delimiter">();</span>
<span class="Delimiter">:(code)</span>
<span class="Normal">void</span> initialize_key_names<span class="Delimiter">()</span> <span class="Delimiter">{</span>
Key[<span class="Constant">"F1"</span>] = TB_KEY_F1<span class="Delimiter">;</span>
Key[<span class="Constant">"F2"</span>] = TB_KEY_F2<span class="Delimiter">;</span>
Key[<span class="Constant">"F3"</span>] = TB_KEY_F3<span class="Delimiter">;</span>
Key[<span class="Constant">"F4"</span>] = TB_KEY_F4<span class="Delimiter">;</span>
Key[<span class="Constant">"F5"</span>] = TB_KEY_F5<span class="Delimiter">;</span>
Key[<span class="Constant">"F6"</span>] = TB_KEY_F6<span class="Delimiter">;</span>
Key[<span class="Constant">"F7"</span>] = TB_KEY_F7<span class="Delimiter">;</span>
Key[<span class="Constant">"F8"</span>] = TB_KEY_F8<span class="Delimiter">;</span>
Key[<span class="Constant">"F9"</span>] = TB_KEY_F9<span class="Delimiter">;</span>
Key[<span class="Constant">"F10"</span>] = TB_KEY_F10<span class="Delimiter">;</span>
Key[<span class="Constant">"F11"</span>] = TB_KEY_F11<span class="Delimiter">;</span>
Key[<span class="Constant">"F12"</span>] = TB_KEY_F12<span class="Delimiter">;</span>
Key[<span class="Constant">"insert"</span>] = TB_KEY_INSERT<span class="Delimiter">;</span>
Key[<span class="Constant">"delete"</span>] = TB_KEY_DELETE<span class="Delimiter">;</span>
Key[<span class="Constant">"home"</span>] = TB_KEY_HOME<span class="Delimiter">;</span>
Key[<span class="Constant">"end"</span>] = TB_KEY_END<span class="Delimiter">;</span>
Key[<span class="Constant">"page-up"</span>] = TB_KEY_PGUP<span class="Delimiter">;</span>
Key[<span class="Constant">"page-down"</span>] = TB_KEY_PGDN<span class="Delimiter">;</span>
Key[<span class="Constant">"up-arrow"</span>] = TB_KEY_ARROW_UP<span class="Delimiter">;</span>
Key[<span class="Constant">"down-arrow"</span>] = TB_KEY_ARROW_DOWN<span class="Delimiter">;</span>
Key[<span class="Constant">"left-arrow"</span>] = TB_KEY_ARROW_LEFT<span class="Delimiter">;</span>
Key[<span class="Constant">"right-arrow"</span>] = TB_KEY_ARROW_RIGHT<span class="Delimiter">;</span>
Key[<span class="Constant">"ctrl-a"</span>] = TB_KEY_CTRL_A<span class="Delimiter">;</span>
Key[<span class="Constant">"ctrl-b"</span>] = TB_KEY_CTRL_B<span class="Delimiter">;</span>
Key[<span class="Constant">"ctrl-c"</span>] = TB_KEY_CTRL_C<span class="Delimiter">;</span>
Key[<span class="Constant">"ctrl-d"</span>] = TB_KEY_CTRL_D<span class="Delimiter">;</span>
Key[<span class="Constant">"ctrl-e"</span>] = TB_KEY_CTRL_E<span class="Delimiter">;</span>
Key[<span class="Constant">"ctrl-f"</span>] = TB_KEY_CTRL_F<span class="Delimiter">;</span>
Key[<span class="Constant">"ctrl-g"</span>] = TB_KEY_CTRL_G<span class="Delimiter">;</span>
Key[<span class="Constant">"backspace"</span>] = TB_KEY_BACKSPACE<span class="Delimiter">;</span>
Key[<span class="Constant">"ctrl-h"</span>] = TB_KEY_CTRL_H<span class="Delimiter">;</span>
Key[<span class="Constant">"tab"</span>] = TB_KEY_TAB<span class="Delimiter">;</span>
Key[<span class="Constant">"ctrl-i"</span>] = TB_KEY_CTRL_I<span class="Delimiter">;</span>
Key[<span class="Constant">"ctrl-j"</span>] = TB_KEY_CTRL_J<span class="Delimiter">;</span>
Key[<span class="Constant">"enter"</span>] = TB_KEY_NEWLINE<span class="Delimiter">;</span> <span class="Comment">// ignore CR/LF distinction; there is only 'enter'</span>
Key[<span class="Constant">"ctrl-k"</span>] = TB_KEY_CTRL_K<span class="Delimiter">;</span>
Key[<span class="Constant">"ctrl-l"</span>] = TB_KEY_CTRL_L<span class="Delimiter">;</span>
Key[<span class="Constant">"ctrl-m"</span>] = TB_KEY_CTRL_M<span class="Delimiter">;</span>
Key[<span class="Constant">"ctrl-n"</span>] = TB_KEY_CTRL_N<span class="Delimiter">;</span>
Key[<span class="Constant">"ctrl-o"</span>] = TB_KEY_CTRL_O<span class="Delimiter">;</span>
Key[<span class="Constant">"ctrl-p"</span>] = TB_KEY_CTRL_P<span class="Delimiter">;</span>
Key[<span class="Constant">"ctrl-q"</span>] = TB_KEY_CTRL_Q<span class="Delimiter">;</span>
Key[<span class="Constant">"ctrl-r"</span>] = TB_KEY_CTRL_R<span class="Delimiter">;</span>
Key[<span class="Constant">"ctrl-s"</span>] = TB_KEY_CTRL_S<span class="Delimiter">;</span>
Key[<span class="Constant">"ctrl-t"</span>] = TB_KEY_CTRL_T<span class="Delimiter">;</span>
Key[<span class="Constant">"ctrl-u"</span>] = TB_KEY_CTRL_U<span class="Delimiter">;</span>
Key[<span class="Constant">"ctrl-v"</span>] = TB_KEY_CTRL_V<span class="Delimiter">;</span>
Key[<span class="Constant">"ctrl-w"</span>] = TB_KEY_CTRL_W<span class="Delimiter">;</span>
Key[<span class="Constant">"ctrl-x"</span>] = TB_KEY_CTRL_X<span class="Delimiter">;</span>
Key[<span class="Constant">"ctrl-y"</span>] = TB_KEY_CTRL_Y<span class="Delimiter">;</span>
Key[<span class="Constant">"ctrl-z"</span>] = TB_KEY_CTRL_Z<span class="Delimiter">;</span>
Key[<span class="Constant">"escape"</span>] = TB_KEY_ESC<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(after "Begin check_or_set_invalid_types(r)")</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>is_scenario<span class="Delimiter">(</span>caller<span class="Delimiter">))</span>
initialize_special_name<span class="Delimiter">(</span>r<span class="Delimiter">);</span>
<span class="Delimiter">:(code)</span>
<span class="Normal">bool</span> is_scenario<span class="Delimiter">(</span><span class="Normal">const</span> recipe& caller<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Identifier">return</span> starts_with<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">"scenario_"</span><span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Normal">void</span> initialize_special_name<span class="Delimiter">(</span>reagent& r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span class="Comment">// no need for screen</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>r<span class="Delimiter">.</span>name == <span class="Constant">"console"</span><span class="Delimiter">)</span> r<span class="Delimiter">.</span>type = new_type_tree<span class="Delimiter">(</span><span class="Constant">"address:console"</span><span class="Delimiter">);</span>
<span class="Comment">// End Initialize Type Of Special Name In Scenario(r)</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(scenario events_in_scenario)</span>
<span class="muScenario">scenario</span> events-in-scenario [
assume-console [
type [abc]
left-click <span class="Constant">0</span><span class="Delimiter">,</span> <span class="Constant">1</span>
press up-arrow
type [d]
]
run [
<span class="Comment"># 3 keyboard events; each event occupies 4 locations</span>
<span class="Constant">1</span>:event<span class="Special"> <- </span>read-event console
<span class="Constant">5</span>:event<span class="Special"> <- </span>read-event console
<span class="Constant">9</span>:event<span class="Special"> <- </span>read-event console
<span class="Comment"># mouse click</span>
<span class="Constant">13</span>:event<span class="Special"> <- </span>read-event console
<span class="Comment"># non-character keycode</span>
<span class="Constant">17</span>:event<span class="Special"> <- </span>read-event console
<span class="Comment"># final keyboard event</span>
<span class="Constant">21</span>:event<span class="Special"> <- </span>read-event console
]
memory-should-contain [
<span class="Constant">1</span><span class="Special"> <- </span><span class="Constant">0</span> <span class="Comment"># 'text'</span>
<span class="Constant">2</span><span class="Special"> <- </span><span class="Constant">97</span> <span class="Comment"># 'a'</span>
<span class="Constant">3</span><span class="Special"> <- </span><span class="Constant">0</span> <span class="Comment"># unused</span>
<span class="Constant">4</span><span class="Special"> <- </span><span class="Constant">0</span> <span class="Comment"># unused</span>
<span class="Constant">5</span><span class="Special"> <- </span><span class="Constant">0</span> <span class="Comment"># 'text'</span>
<span class="Constant">6</span><span class="Special"> <- </span><span class="Constant">98</span> <span class="Comment"># 'b'</span>
<span class="Constant">7</span><span class="Special"> <- </span><span class="Constant">0</span> <span class="Comment"># unused</span>
<span class="Constant">8</span><span class="Special"> <- </span><span class="Constant">0</span> <span class="Comment"># unused</span>
<span class="Constant">9</span><span class="Special"> <- </span><span class="Constant">0</span> <span class="Comment"># 'text'</span>
<span class="Constant">10</span><span class="Special"> <- </span><span class="Constant">99</span> <span class="Comment"># 'c'</span>
<span class="Constant">11</span><span class="Special"> <- </span><span class="Constant">0</span> <span class="Comment"># unused</span>
<span class="Constant">12</span><span class="Special"> <- </span><span class="Constant">0</span> <span class="Comment"># unused</span>
<span class="Constant">13</span><span class="Special"> <- </span><span class="Constant">2</span> <span class="Comment"># 'mouse'</span>
<span class="Constant">14</span><span class="Special"> <- </span><span class="Constant">65513</span> <span class="Comment"># mouse click</span>
<span class="Constant">15</span><span class="Special"> <- </span><span class="Constant">0</span> <span class="Comment"># row</span>
<span class="Constant">16</span><span class="Special"> <- </span><span class="Constant">1</span> <span class="Comment"># column</span>
<span class="Constant">17</span><span class="Special"> <- </span><span class="Constant">1</span> <span class="Comment"># 'keycode'</span>
<span class="Constant">18</span><span class="Special"> <- </span><span class="Constant">65517</span> <span class="Comment"># up arrow</span>
<span class="Constant">19</span><span class="Special"> <- </span><span class="Constant">0</span> <span class="Comment"># unused</span>
<span class="Constant">20</span><span class="Special"> <- </span><span class="Constant">0</span> <span class="Comment"># unused</span>
<span class="Constant">21</span><span class="Special"> <- </span><span class="Constant">0</span> <span class="Comment"># 'text'</span>
<span class="Constant">22</span><span class="Special"> <- </span><span class="Constant">100</span> <span class="Comment"># 'd'</span>
<span class="Constant">23</span><span class="Special"> <- </span><span class="Constant">0</span> <span class="Comment"># unused</span>
<span class="Constant">24</span><span class="Special"> <- </span><span class="Constant">0</span> <span class="Comment"># unused</span>
<span class="Constant">25</span><span class="Special"> <- </span><span class="Constant">0</span>
]
]
<span class="Comment">//: Deal with special keys and unmatched brackets by allowing each test to</span>
<span class="Comment">//: independently choose the unicode symbol to denote them.</span>
<span class="Delimiter">:(before "End Primitive Recipe Declarations")</span>
REPLACE_IN_CONSOLE<span class="Delimiter">,</span>
<span class="Delimiter">:(before "End Primitive Recipe Numbers")</span>
put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"replace-in-console"</span><span class="Delimiter">,</span> REPLACE_IN_CONSOLE<span class="Delimiter">);</span>
<span class="Delimiter">:(before "End Primitive Recipe Checks")</span>
<span class="Normal">case</span> REPLACE_IN_CONSOLE: <span class="Delimiter">{</span>
<span class="Identifier">break</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(before "End Primitive Recipe Implementations")</span>
<span class="Normal">case</span> REPLACE_IN_CONSOLE: <span class="Delimiter">{</span>
assert<span class="Delimiter">(</span>scalar<span class="Delimiter">(</span>ingredients<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>!get_or_insert<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> CONSOLE<span class="Delimiter">))</span> <span class="Delimiter">{</span>
raise << <span class="Constant">"console not initialized</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
<span class="Identifier">break</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Normal">int</span> console_address = get_or_insert<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> CONSOLE<span class="Delimiter">);</span>
<span class="Normal">int</span> console_data = get_or_insert<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> console_address+<span class="Constant">1</span><span class="Delimiter">);</span>
<span class="Normal">int</span> length = get_or_insert<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> console_data<span class="Delimiter">);</span> <span class="Comment">// array length</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> curr = console_data+<span class="Constant">1</span><span class="Delimiter">;</span> i < length<span class="Delimiter">;</span> ++i<span class="Delimiter">,</span> curr+=size_of_event<span class="Delimiter">())</span> <span class="Delimiter">{</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>get_or_insert<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">)</span> != <span class="Comment">/*</span><span class="Comment">text</span><span class="Comment">*/</span><span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>get_or_insert<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr+<span class="Constant">1</span><span class="Delimiter">)</span> != ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> n = <span class="Constant">0</span><span class="Delimiter">;</span> n < size_of_event<span class="Delimiter">();</span> ++n<span class="Delimiter">)</span>
put<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr+n<span class="Delimiter">,</span> ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span>n<span class="Delimiter">));</span>
<span class="Delimiter">}</span>
<span class="Identifier">break</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(code)</span>
<span class="Normal">int</span> count_events<span class="Delimiter">(</span><span class="Normal">const</span> recipe& r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Normal">int</span> result = <span class="Constant">0</span><span class="Delimiter">;</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>r<span class="Delimiter">.</span>steps<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Normal">const</span> instruction& curr = r<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">.</span>name == <span class="Constant">"type"</span><span class="Delimiter">)</span>
result += unicode_length<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>name<span class="Delimiter">);</span>
<span class="Normal">else</span>
++result<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Identifier">return</span> result<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Normal">int</span> size_of_event<span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span class="Comment">// memoize result if already computed</span>
<span class="Normal">static</span> <span class="Normal">int</span> result = <span class="Constant">0</span><span class="Delimiter">;</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>result<span class="Delimiter">)</span> <span class="Identifier">return</span> result<span class="Delimiter">;</span>
type_tree* type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span><span class="Constant">"event"</span><span class="Delimiter">);</span>
result = size_of<span class="Delimiter">(</span>type<span class="Delimiter">);</span>
<span class="Normal">delete</span> type<span class="Delimiter">;</span>
<span class="Identifier">return</span> result<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Normal">int</span> size_of_console<span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span class="Comment">// memoize result if already computed</span>
<span class="Normal">static</span> <span class="Normal">int</span> result = <span class="Constant">0</span><span class="Delimiter">;</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>result<span class="Delimiter">)</span> <span class="Identifier">return</span> result<span class="Delimiter">;</span>
assert<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">"console"</span><span class="Delimiter">));</span>
type_tree* type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span><span class="Constant">"console"</span><span class="Delimiter">);</span>
result = size_of<span class="Delimiter">(</span>type<span class="Delimiter">)</span>+<span class="Comment">/*</span><span class="Comment">refcount</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>
<span class="Normal">delete</span> type<span class="Delimiter">;</span>
<span class="Identifier">return</span> result<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
</pre>
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