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* 5411Kartik Agaram2019-07-171-1/+1
* 5410 - 4 examples passingKartik Agaram2019-07-171-12/+30
* 5409Kartik Agaram2019-07-171-0/+10
* add subx/apps/survey to CIKartik Agaram2019-07-131-0/+10
* 5222Kartik Agaram2019-05-221-2/+2
* 5219Kartik Agaram2019-05-221-2/+6
* SubX in SubX: done with dquotes phaseKartik Agaram2019-05-201-0/+10
* switch to new syntax for segment headers in C++Kartik Agaram2019-05-181-7/+7
* 5126 - add a message to a silent CI failure modeKartik Agaram2019-04-261-19/+19
* 5120Kartik Agaram2019-04-231-1/+1
* 5105Kartik Agaram2019-04-161-7/+7
* 5092Kartik Agaram2019-04-151-2/+2
* 5085 - 'assort' phase done!Kartik Agaram2019-04-121-0/+10
* 5058Kartik Agaram2019-04-051-1/+1
* 4962Kartik Agaram2019-02-141-38/+40
* 4939Kartik Agaram2019-01-211-0/+10
* 4903Kartik Agaram2019-01-031-2/+0
* 4894Kartik Agaram2018-12-301-0/+10
* 4888Kartik Agaram2018-12-291-5/+5
* 4852Kartik Agaram2018-12-061-0/+10
* 4775Kartik Agaram2018-11-241-0/+10
* 4774Kartik Agaram2018-11-241-4/+0
* 4763 - back to the 'trivial' crenshaw2-1 compilerKartik Agaram2018-11-231-0/+4
* 4744Kartik Agaram2018-11-171-2/+2
* 4729Kartik Agaram2018-10-281-2/+2
* 4727 - commit to better 64-bit supportKartik Agaram2018-10-271-15/+14
* 4684Kartik Agaram2018-10-111-1/+7
* 4664 - subx: reflect test failures in exit statusKartik Agaram2018-10-051-13/+5
* 4648Kartik Agaram2018-10-011-0/+8
* 4647 - support 64-bit Linux in CIKartik Agaram2018-10-011-0/+148
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<pre id='vimCodeElement'>
<span class="SalientComment">## handling malformed programs</span>

<span class="muData">container</span> programming-environment-data [
  recipe-errors:address:shared:array:character
]

<span class="Comment"># copy code from recipe editor, persist, load into mu, save any errors</span>
<span class="muRecipe">recipe!</span> update-recipes env:address:shared:programming-environment-data, screen:address:shared:screen<span class="muRecipe"> -&gt; </span>errors-found?:boolean, env:address:shared:programming-environment-data, screen:address:shared:screen [
  <span class="Constant">local-scope</span>
  <span class="Constant">load-ingredients</span>
<span class="CommentedCode">#?   $log [update recipes]</span>
  recipes:address:shared:editor-data<span class="Special"> &lt;- </span>get *env, <span class="Constant">recipes:offset</span>
  in:address:shared:array:character<span class="Special"> &lt;- </span>editor-contents recipes
  save <span class="Constant">[recipes.mu]</span>, in
  recipe-errors:address:address:shared:array:character<span class="Special"> &lt;- </span>get-address *env, <span class="Constant">recipe-errors:offset</span>
  *recipe-errors<span class="Special"> &lt;- </span>reload in
  <span class="Comment"># if recipe editor has errors, stop</span>
  <span class="Delimiter">{</span>
    <span class="muControl">break-unless</span> *recipe-errors
    status:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[errors found     ]</span>
    update-status screen, status, <span class="Constant">1/red</span>
    errors-found?<span class="Special"> &lt;- </span>copy <span class="Constant">1/true</span>
    <span class="muControl">reply</span>
  <span class="Delimiter">}</span>
  errors-found?<span class="Special"> &lt;- </span>copy <span class="Constant">0/false</span>
]

<span class="muRecipe">before</span> <span class="Constant">&lt;render-components-end&gt;</span> [
  trace <span class="Constant">11</span>, <span class="Constant">[app]</span>, <span class="Constant">[render status]</span>
  recipe-errors:address:shared:array:character<span class="Special"> &lt;- </span>get *env, <span class="Constant">recipe-errors:offset</span>
  <span class="Delimiter">{</span>
    <span class="muControl">break-unless</span> recipe-errors
    status:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[errors found     ]</span>
    update-status screen, status, <span class="Constant">1/red</span>
  <span class="Delimiter">}</span>
]

<span class="muRecipe">before</span> <span class="Constant">&lt;render-recipe-components-end&gt;</span> [
  <span class="Delimiter">{</span>
    recipe-errors:address:shared:array:character<span class="Special"> &lt;- </span>get *env, <span class="Constant">recipe-errors:offset</span>
    <span class="muControl">break-unless</span> recipe-errors
    row, screen<span class="Special"> &lt;- </span>render screen, recipe-errors, left, right, <span class="Constant">1/red</span>, row
  <span class="Delimiter">}</span>
]

<span class="muData">container</span> programming-environment-data [
  error-index:number  <span class="Comment"># index of first sandbox with an error (or -1 if none)</span>
]

<span class="muRecipe">after</span> <span class="Constant">&lt;programming-environment-initialization&gt;</span> [
  error-index:address:number<span class="Special"> &lt;- </span>get-address *result, <span class="Constant">error-index:offset</span>
  *error-index<span class="Special"> &lt;- </span>copy <span class="Constant">-1</span>
]

<span class="muRecipe">after</span> <span class="Constant">&lt;run-sandboxes-begin&gt;</span> [
  error-index:address:number<span class="Special"> &lt;- </span>get-address *env, <span class="Constant">error-index:offset</span>
  *error-index<span class="Special"> &lt;- </span>copy <span class="Constant">-1</span>
]

<span class="muRecipe">before</span> <span class="Constant">&lt;run-sandboxes-end&gt;</span> [
  <span class="Delimiter">{</span>
    sandboxes-completed-successfully?:boolean<span class="Special"> &lt;- </span>equal *error-index, <span class="Constant">-1</span>
    <span class="muControl">break-if</span> sandboxes-completed-successfully?
    errors-found?<span class="Special"> &lt;- </span>copy <span class="Constant">1/true</span>
  <span class="Delimiter">}</span>
]

<span class="muRecipe">before</span> <span class="Constant">&lt;render-components-end&gt;</span> [
  <span class="Delimiter">{</span>
    <span class="muControl">break-if</span> recipe-errors
    error-index:number<span class="Special"> &lt;- </span>get *env, <span class="Constant">error-index:offset</span>
    sandboxes-completed-successfully?:boolean<span class="Special"> &lt;- </span>equal error-index, <span class="Constant">-1</span>
    <span class="muControl">break-if</span> sandboxes-completed-successfully?
    status-template:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[errors found (_)    ]</span>
    error-index-text:address:shared:array:character<span class="Special"> &lt;- </span>to-text error-index
    status:address:shared:array:character<span class="Special"> &lt;- </span>interpolate status-template, error-index-text
<span class="CommentedCode">#?     $print [update-status: sandbox error], 10/newline</span>
    update-status screen, status, <span class="Constant">1/red</span>
<span class="CommentedCode">#?     $print [run sandboxes end], 10/newline</span>
  <span class="Delimiter">}</span>
]

<span class="muData">container</span> sandbox-data [
  errors:address:shared:array:character
]

<span class="muRecipe">recipe!</span> update-sandbox sandbox:address:shared:sandbox-data, env:address:shared:programming-environment-data, idx:number<span class="muRecipe"> -&gt; </span>sandbox:address:shared:sandbox-data, env:address:shared:programming-environment-data [
  <span class="Constant">local-scope</span>
  <span class="Constant">load-ingredients</span>
<span class="CommentedCode">#?   $log [update sandbox]</span>
  data:address:shared:array:character<span class="Special"> &lt;- </span>get *sandbox, <span class="Constant">data:offset</span>
  response:address:address:shared:array:character<span class="Special"> &lt;- </span>get-address *sandbox, <span class="Constant">response:offset</span>
  errors:address:address:shared:array:character<span class="Special"> &lt;- </span>get-address *sandbox, <span class="Constant">errors:offset</span>
  trace:address:address:shared:array:character<span class="Special"> &lt;- </span>get-address *sandbox, <span class="Constant">trace:offset</span>
  fake-screen:address:address:shared:screen<span class="Special"> &lt;- </span>get-address *sandbox, <span class="Constant">screen:offset</span>
<span class="CommentedCode">#?   $print [run-interactive], 10/newline</span>
  *response, *errors, *fake-screen, *trace, completed?:boolean<span class="Special"> &lt;- </span>run-interactive data
  <span class="Delimiter">{</span>
    <span class="muControl">break-if</span> *errors
    <span class="muControl">break-if</span> completed?:boolean
    *errors<span class="Special"> &lt;- </span>new <span class="Constant">[took too long!</span>
<span class="Constant">]</span>
  <span class="Delimiter">}</span>
  <span class="Delimiter">{</span>
    <span class="muControl">break-unless</span> *errors
<span class="CommentedCode">#?     $print [setting error-index to ], idx, 10/newline</span>
    error-index:address:number<span class="Special"> &lt;- </span>get-address *env, <span class="Constant">error-index:offset</span>
    error-not-set?:boolean<span class="Special"> &lt;- </span>equal *error-index, <span class="Constant">-1</span>
    <span class="muControl">break-unless</span> error-not-set?
    *error-index<span class="Special"> &lt;- </span>copy idx
  <span class="Delimiter">}</span>
<span class="CommentedCode">#?   $print [done with run-interactive], 10/newline</span>
]

<span class="Comment"># make sure we render any trace</span>
<span class="muRecipe">after</span> <span class="Constant">&lt;render-sandbox-trace-done&gt;</span> [
  <span class="Delimiter">{</span>
    sandbox-errors:address:shared:array:character<span class="Special"> &lt;- </span>get *sandbox, <span class="Constant">errors:offset</span>
    <span class="muControl">break-unless</span> sandbox-errors
    response-starting-row:address:number<span class="Special"> &lt;- </span>get-address *sandbox, <span class="Constant">response-starting-row-on-screen:offset</span>
    *response-starting-row<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>  <span class="Comment"># no response</span>
    row, screen<span class="Special"> &lt;- </span>render screen, sandbox-errors, left, right, <span class="Constant">1/red</span>, row
    <span class="Comment"># don't try to print anything more for this sandbox</span>
    <span class="muControl">jump</span> <span class="Constant">+render-sandbox-end:label</span>
  <span class="Delimiter">}</span>
]

<span class="muScenario">scenario</span> run-shows-errors-in-get [
  trace-until <span class="Constant">100/app</span>  <span class="Comment"># trace too long</span>
  assume-screen <span class="Constant">100/width</span>, <span class="Constant">15/height</span>
  <span class="Constant">1</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[ </span>
<span class="Constant">recipe foo [</span>
<span class="Constant">  get 123:number, foo:offset</span>
<span class="Constant">]</span>]
  <span class="Constant">2</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[foo]</span>
  <span class="Constant">3</span>:address:shared:programming-environment-data<span class="Special"> &lt;- </span>new-programming-environment screen:address:shared:screen, <span class="Constant">1</span>:address:shared:array:character, <span class="Constant">2</span>:address:shared:array:character
  assume-console [
    press F4
  ]
  run [
    event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared:programming-environment-data
  ]
  screen-should-contain [
   <span class="Constant"> .  errors found                                                                   run (F4)           .</span>
   <span class="Constant"> .                                                  β”Šfoo                                              .</span>
   <span class="Constant"> .recipe foo [                                      β”Šβ”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”.</span>
   <span class="Constant"> .  get 123:number, foo:offset                      β”Š                                                 .</span>
   <span class="Constant"> .]                                                 β”Š                                                 .</span>
   <span class="Constant"> .foo: unknown element foo in container number      β”Š                                                 .</span>
   <span class="Constant"> .foo: first ingredient of 'get' should be a contaiβ†©β”Š                                                 .</span>
   <span class="Constant"> .ner, but got 123:number                           β”Š                                                 .</span>
   <span class="Constant"> .β”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”Š                                                 .</span>
   <span class="Constant"> .                                                  β”Š                                                 .</span>
  ]
  screen-should-contain-in-color <span class="Constant">1/red</span>, [
   <span class="Constant"> .  errors found                                                                                      .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .foo: unknown element foo in container number                                                        .</span>
   <span class="Constant"> .foo: first ingredient of 'get' should be a contai                                                   .</span>
   <span class="Constant"> .ner, but got 123:number                                                                             .</span>
   <span class="Constant"> .                                                                                                    .</span>
  ]
]

<span class="muScenario">scenario</span> run-updates-status-with-first-erroneous-sandbox [
  trace-until <span class="Constant">100/app</span>  <span class="Comment"># trace too long</span>
  assume-screen <span class="Constant">100/width</span>, <span class="Constant">15/height</span>
  <span class="Constant">1</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[]</span>
  <span class="Constant">2</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[]</span>
  <span class="Constant">3</span>:address:shared:programming-environment-data<span class="Special"> &lt;- </span>new-programming-environment screen:address:shared:screen, <span class="Constant">1</span>:address:shared:array:character, <span class="Constant">2</span>:address:shared:array:character
  assume-console [
    left-click <span class="Constant">3</span>, <span class="Constant">80</span>
    <span class="Comment"># create invalid sandbox 1</span>
    type <span class="Constant">[get foo, x:offset]</span>
    press F4
    <span class="Comment"># create invalid sandbox 0</span>
    type <span class="Constant">[get foo, x:offset]</span>
    press F4
  ]
  run [
    event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared:programming-environment-data
  ]
  <span class="Comment"># status line shows that error is in first sandbox</span>
  screen-should-contain [
   <span class="Constant"> .  errors found (0)                                                               run (F4)           .</span>
  ]
]

<span class="muScenario">scenario</span> run-updates-status-with-first-erroneous-sandbox-2 [
  trace-until <span class="Constant">100/app</span>  <span class="Comment"># trace too long</span>
  assume-screen <span class="Constant">100/width</span>, <span class="Constant">15/height</span>
  <span class="Constant">1</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[]</span>
  <span class="Constant">2</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[]</span>
  <span class="Constant">3</span>:address:shared:programming-environment-data<span class="Special"> &lt;- </span>new-programming-environment screen:address:shared:screen, <span class="Constant">1</span>:address:shared:array:character, <span class="Constant">2</span>:address:shared:array:character
  assume-console [
    left-click <span class="Constant">3</span>, <span class="Constant">80</span>
    <span class="Comment"># create invalid sandbox 2</span>
    type <span class="Constant">[get foo, x:offset]</span>
    press F4
    <span class="Comment"># create invalid sandbox 1</span>
    type <span class="Constant">[get foo, x:offset]</span>
    press F4
    <span class="Comment"># create valid sandbox 0</span>
    type <span class="Constant">[add 2, 2]</span>
    press F4
  ]
  run [
    event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared:programming-environment-data
  ]
  <span class="Comment"># status line shows that error is in second sandbox</span>
  screen-should-contain [
   <span class="Constant"> .  errors found (1)                                                               run (F4)           .</span>
  ]
]

<span class="muScenario">scenario</span> run-hides-errors-from-past-sandboxes [
  trace-until <span class="Constant">100/app</span>  <span class="Comment"># trace too long</span>
  assume-screen <span class="Constant">100/width</span>, <span class="Constant">15/height</span>
  <span class="Constant">1</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[]</span>
  <span class="Constant">2</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[get foo, x:offset]</span>  <span class="Comment"># invalid</span>
  <span class="Constant">3</span>:address:shared:programming-environment-data<span class="Special"> &lt;- </span>new-programming-environment screen:address:shared:screen, <span class="Constant">1</span>:address:shared:array:character, <span class="Constant">2</span>:address:shared:array:character
  assume-console [
    press F4  <span class="Comment"># generate error</span>
  ]
  run [
    event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared:programming-environment-data
  ]
  assume-console [
    left-click <span class="Constant">3</span>, <span class="Constant">80</span>
    press ctrl-k
    type <span class="Constant">[add 2, 2]</span>  <span class="Comment"># valid code</span>
    press F4  <span class="Comment"># update sandbox</span>
  ]
  run [
    event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared:programming-environment-data
  ]
  <span class="Comment"># error should disappear</span>
  screen-should-contain [
   <span class="Constant"> .                                                                                 run (F4)           .</span>
   <span class="Constant"> .                                                  β”Š                                                 .</span>
<span class="Constant">    .β”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”Šβ”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”.</span>
   <span class="Constant"> .                                                  β”Š0                                               x.</span>
   <span class="Constant"> .                                                  β”Šadd 2, 2                                         .</span>
   <span class="Constant"> .                                                  β”Š4                                                .</span>
   <span class="Constant"> .                                                  β”Šβ”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”.</span>
   <span class="Constant"> .                                                  β”Š                                                 .</span>
  ]
]

<span class="muScenario">scenario</span> run-updates-errors-for-shape-shifting-recipes [
  trace-until <span class="Constant">100/app</span>  <span class="Comment"># trace too long</span>
  assume-screen <span class="Constant">100/width</span>, <span class="Constant">15/height</span>
  <span class="Comment"># define a shape-shifting recipe with an error</span>
  <span class="Constant">1</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[recipe foo x:_elem -&gt; z:_elem [</span>
<span class="Constant">local-scope</span>
<span class="Constant">load-ingredients</span>
<span class="Constant">z &lt;- add x, [a]</span>
]]
  <span class="Constant">2</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[foo 2]</span>
  <span class="Constant">3</span>:address:shared:programming-environment-data<span class="Special"> &lt;- </span>new-programming-environment screen:address:shared:screen, <span class="Constant">1</span>:address:shared:array:character, <span class="Constant">2</span>:address:shared:array:character
  assume-console [
    press F4
  ]
  event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared:programming-environment-data
  screen-should-contain [
   <span class="Constant"> .  errors found (0)                                                               run (F4)           .</span>
   <span class="Constant"> .recipe foo x:_elem -&gt; z:_elem [                   β”Š                                                 .</span>
   <span class="Constant"> .local-scope                                       β”Šβ”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”.</span>
   <span class="Constant"> .load-ingredients                                  β”Š0                                               x.</span>
   <span class="Constant"> .z &lt;- add x, [a]                                   β”Šfoo 2                                            .</span>
   <span class="Constant"> .]                                                 β”Šfoo_2: 'add' requires number ingredients, but go↩.</span>
   <span class="Constant"> .β”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”Št [a]                                            .</span>
   <span class="Constant"> .                                                  β”Šβ”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”.</span>
   <span class="Constant"> .                                                  β”Š                                                 .</span>
  ]
  <span class="Comment"># now rerun everything</span>
  assume-console [
    press F4
  ]
  run [
    event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared:programming-environment-data
  ]
  <span class="Comment"># error should remain unchanged</span>
  screen-should-contain [
   <span class="Constant"> .  errors found (0)                                                               run (F4)           .</span>
   <span class="Constant"> .recipe foo x:_elem -&gt; z:_elem [                   β”Š                                                 .</span>
   <span class="Constant"> .local-scope                                       β”Šβ”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”.</span>
   <span class="Constant"> .load-ingredients                                  β”Š0                                               x.</span>
   <span class="Constant"> .z &lt;- add x, [a]                                   β”Šfoo 2                                            .</span>
   <span class="Constant"> .]                                                 β”Šfoo_2: 'add' requires number ingredients, but go↩.</span>
   <span class="Constant"> .β”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”Št [a]                                            .</span>
   <span class="Constant"> .                                                  β”Šβ”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”.</span>
   <span class="Constant"> .                                                  β”Š                                                 .</span>
  ]
]

<span class="muScenario">scenario</span> run-avoids-spurious-errors-on-reloading-shape-shifting-recipes [
  trace-until <span class="Constant">100/app</span>  <span class="Comment"># trace too long</span>
  assume-screen <span class="Constant">100/width</span>, <span class="Constant">15/height</span>
  <span class="Comment"># overload a well-known shape-shifting recipe</span>
  <span class="Constant">1</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[recipe length l:address:shared:list:_elem -&gt; n:number [</span>
<span class="Constant">]</span>]
  <span class="Comment"># call code that uses other variants of it, but not it itself</span>
  <span class="Constant">2</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[x:address:shared:list:number &lt;- copy 0</span>
<span class="Constant">to-text x]</span>
  <span class="Constant">3</span>:address:shared:programming-environment-data<span class="Special"> &lt;- </span>new-programming-environment screen:address:shared:screen, <span class="Constant">1</span>:address:shared:array:character, <span class="Constant">2</span>:address:shared:array:character
  <span class="Comment"># run it once</span>
  assume-console [
    press F4
  ]
  event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared:programming-environment-data
  <span class="Comment"># no errors anywhere on screen (can't check anything else, since to-text will return an address)</span>
  screen-should-contain-in-color <span class="Constant">1/red</span>, [
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                &lt;-                  .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
  ]
  <span class="Comment"># rerun everything</span>
  assume-console [
    press F4
  ]
  run [
    event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared:programming-environment-data
  ]
  <span class="Comment"># still no errors</span>
  screen-should-contain-in-color <span class="Constant">1/red</span>, [
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                &lt;-                  .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
  ]
]

<span class="muScenario">scenario</span> run-shows-missing-type-errors [
  trace-until <span class="Constant">100/app</span>  <span class="Comment"># trace too long</span>
  assume-screen <span class="Constant">100/width</span>, <span class="Constant">15/height</span>
  <span class="Constant">1</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[ </span>
<span class="Constant">recipe foo [</span>
<span class="Constant">  x &lt;- copy 0</span>
<span class="Constant">]</span>]
  <span class="Constant">2</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[foo]</span>
  <span class="Constant">3</span>:address:shared:programming-environment-data<span class="Special"> &lt;- </span>new-programming-environment screen:address:shared:screen, <span class="Constant">1</span>:address:shared:array:character, <span class="Constant">2</span>:address:shared:array:character
  assume-console [
    press F4
  ]
  run [
    event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared:programming-environment-data
  ]
  screen-should-contain [
   <span class="Constant"> .  errors found                                                                   run (F4)           .</span>
   <span class="Constant"> .                                                  β”Šfoo                                              .</span>
   <span class="Constant"> .recipe foo [                                      β”Šβ”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”.</span>
   <span class="Constant"> .  x &lt;- copy 0                                     β”Š                                                 .</span>
   <span class="Constant"> .]                                                 β”Š                                                 .</span>
   <span class="Constant"> .foo: missing type for x in 'x &lt;- copy 0'          β”Š                                                 .</span>
  ]
]

<span class="muScenario">scenario</span> run-shows-unbalanced-bracket-errors [
  trace-until <span class="Constant">100/app</span>  <span class="Comment"># trace too long</span>
  assume-screen <span class="Constant">100/width</span>, <span class="Constant">15/height</span>
  <span class="Comment"># recipe is incomplete (unbalanced '[')</span>
  <span class="Constant">1</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[ </span>
<span class="Constant">recipe foo Β«</span>
<span class="Constant">  x &lt;- copy 0</span>
<span class="Constant">]</span>
  replace <span class="Constant">1</span>:address:shared:array:character, <span class="Constant">171/Β«</span>, <span class="Constant">91</span>  <span class="Comment"># '['</span>
  <span class="Constant">2</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[foo]</span>
  <span class="Constant">3</span>:address:shared:programming-environment-data<span class="Special"> &lt;- </span>new-programming-environment screen:address:shared:screen, <span class="Constant">1</span>:address:shared:array:character, <span class="Constant">2</span>:address:shared:array:character
  assume-console [
    press F4
  ]
  run [
    event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared:programming-environment-data
  ]
  screen-should-contain [
   <span class="Constant"> .  errors found                                                                   run (F4)           .</span>
   <span class="Constant"> .                                                  β”Šfoo                                              .</span>
   <span class="Constant"> .recipe foo \\\[                                      β”Šβ”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”.</span>
   <span class="Constant"> .  x &lt;- copy 0                                     β”Š                                                 .</span>
   <span class="Constant"> .                                                  β”Š                                                 .</span>
   <span class="Constant"> .9: unbalanced '\\\[' for recipe                      β”Š                                                 .</span>
   <span class="Constant"> .β”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”Š                                                 .</span>
   <span class="Constant"> .                                                  β”Š                                                 .</span>
  ]
]

<span class="muScenario">scenario</span> run-shows-get-on-non-container-errors [
  trace-until <span class="Constant">100/app</span>  <span class="Comment"># trace too long</span>
  assume-screen <span class="Constant">100/width</span>, <span class="Constant">15/height</span>
  <span class="Constant">1</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[ </span>
<span class="Constant">recipe foo [</span>
<span class="Constant">  local-scope</span>
<span class="Constant">  x:address:shared:point &lt;- new point:type</span>
<span class="Constant">  get x:address:shared:point, 1:offset</span>
<span class="Constant">]</span>]
  <span class="Constant">2</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[foo]</span>
  <span class="Constant">3</span>:address:shared:programming-environment-data<span class="Special"> &lt;- </span>new-programming-environment screen:address:shared:screen, <span class="Constant">1</span>:address:shared:array:character, <span class="Constant">2</span>:address:shared:array:character
  assume-console [
    press F4
  ]
  run [
    event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared:programming-environment-data
  ]
  screen-should-contain [
   <span class="Constant"> .  errors found                                                                   run (F4)           .</span>
   <span class="Constant"> .                                                  β”Šfoo                                              .</span>
   <span class="Constant"> .recipe foo [                                      β”Šβ”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”.</span>
   <span class="Constant"> .  local-scope                                     β”Š                                                 .</span>
   <span class="Constant"> .  x:address:shared:point &lt;- new point:type        β”Š                                                 .</span>
   <span class="Constant"> .  get x:address:shared:point, 1:offset            β”Š                                                 .</span>
   <span class="Constant"> .]                                                 β”Š                                                 .</span>
   <span class="Constant"> .foo: first ingredient of 'get' should be a contaiβ†©β”Š                                                 .</span>
   <span class="Constant"> .ner, but got x:address:shared:point               β”Š                                                 .</span>
   <span class="Constant"> .β”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”Š                                                 .</span>
   <span class="Constant"> .                                                  β”Š                                                 .</span>
  ]
]

<span class="muScenario">scenario</span> run-shows-non-literal-get-argument-errors [
  trace-until <span class="Constant">100/app</span>  <span class="Comment"># trace too long</span>
  assume-screen <span class="Constant">100/width</span>, <span class="Constant">15/height</span>
  <span class="Constant">1</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[ </span>
<span class="Constant">recipe foo [</span>
<span class="Constant">  local-scope</span>
<span class="Constant">  x:number &lt;- copy 0</span>
<span class="Constant">  y:address:shared:point &lt;- new point:type</span>
<span class="Constant">  get *y:address:shared:point, x:number</span>
<span class="Constant">]</span>]
  <span class="Constant">2</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[foo]</span>
  <span class="Constant">3</span>:address:shared:programming-environment-data<span class="Special"> &lt;- </span>new-programming-environment screen:address:shared:screen, <span class="Constant">1</span>:address:shared:array:character, <span class="Constant">2</span>:address:shared:array:character
  assume-console [
    press F4
  ]
  run [
    event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared:programming-environment-data
  ]
  screen-should-contain [
   <span class="Constant"> .  errors found                                                                   run (F4)           .</span>
   <span class="Constant"> .                                                  β”Šfoo                                              .</span>
   <span class="Constant"> .recipe foo [                                      β”Šβ”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”.</span>
   <span class="Constant"> .  local-scope                                     β”Š                                                 .</span>
   <span class="Constant"> .  x:number &lt;- copy 0                              β”Š                                                 .</span>
   <span class="Constant"> .  y:address:shared:point &lt;- new point:type        β”Š                                                 .</span>
   <span class="Constant"> .  get *y:address:shared:point, x:number           β”Š                                                 .</span>
   <span class="Constant"> .]                                                 β”Š                                                 .</span>
   <span class="Constant"> .foo: expected ingredient 1 of 'get' to have type β†©β”Š                                                 .</span>
   <span class="Constant"> .'offset'; got x:number                            β”Š                                                 .</span>
   <span class="Constant"> .foo: second ingredient of 'get' should have type β†©β”Š                                                 .</span>
   <span class="Constant"> .'offset', but got x:number                        β”Š                                                 .</span>
   <span class="Constant"> .β”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”Š                                                 .</span>
   <span class="Constant"> .                                                  β”Š                                                 .</span>
  ]
]

<span class="muScenario">scenario</span> run-shows-errors-everytime [
  trace-until <span class="Constant">100/app</span>  <span class="Comment"># trace too long</span>
  <span class="Comment"># try to run a file with an error</span>
  assume-screen <span class="Constant">100/width</span>, <span class="Constant">15/height</span>
  <span class="Constant">1</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[ </span>
<span class="Constant">recipe foo [</span>
<span class="Constant">  local-scope</span>
<span class="Constant">  x:number &lt;- copy y:number</span>
<span class="Constant">]</span>]
  <span class="Constant">2</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[foo]</span>
  <span class="Constant">3</span>:address:shared:programming-environment-data<span class="Special"> &lt;- </span>new-programming-environment screen:address:shared:screen, <span class="Constant">1</span>:address:shared:array:character, <span class="Constant">2</span>:address:shared:array:character
  assume-console [
    press F4
  ]
  event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared:programming-environment-data
  screen-should-contain [
   <span class="Constant"> .  errors found                                                                   run (F4)           .</span>
   <span class="Constant"> .                                                  β”Šfoo                                              .</span>
   <span class="Constant"> .recipe foo [                                      β”Šβ”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”.</span>
   <span class="Constant"> .  local-scope                                     β”Š                                                 .</span>
   <span class="Constant"> .  x:number &lt;- copy y:number                       β”Š                                                 .</span>
   <span class="Constant"> .]                                                 β”Š                                                 .</span>
   <span class="Constant"> .foo: use before set: y                            β”Š                                                 .</span>
   <span class="Constant"> .β”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”Š                                                 .</span>
   <span class="Constant"> .                                                  β”Š                                                 .</span>
  ]
  <span class="Comment"># rerun the file, check for the same error</span>
  assume-console [
    press F4
  ]
  run [
    event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared:programming-environment-data
  ]
  screen-should-contain [
   <span class="Constant"> .  errors found                                                                   run (F4)           .</span>
   <span class="Constant"> .                                                  β”Šfoo                                              .</span>
   <span class="Constant"> .recipe foo [                                      β”Šβ”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”.</span>
   <span class="Constant"> .  local-scope                                     β”Š                                                 .</span>
   <span class="Constant"> .  x:number &lt;- copy y:number                       β”Š                                                 .</span>
   <span class="Constant"> .]                                                 β”Š                                                 .</span>
   <span class="Constant"> .foo: use before set: y                            β”Š                                                 .</span>
   <span class="Constant"> .β”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”Š                                                 .</span>
   <span class="Constant"> .                                                  β”Š                                                 .</span>
  ]
]

<span class="muScenario">scenario</span> run-instruction-and-print-errors [
  trace-until <span class="Constant">100/app</span>  <span class="Comment"># trace too long</span>
  assume-screen <span class="Constant">100/width</span>, <span class="Constant">10/height</span>
  <span class="Comment"># left editor is empty</span>
  <span class="Constant">1</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[]</span>
  <span class="Comment"># right editor contains an illegal instruction</span>
  <span class="Constant">2</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[get 1234:number, foo:offset]</span>
  <span class="Constant">3</span>:address:shared:programming-environment-data<span class="Special"> &lt;- </span>new-programming-environment screen:address:shared:screen, <span class="Constant">1</span>:address:shared:array:character, <span class="Constant">2</span>:address:shared:array:character
  <span class="Comment"># run the code in the editors</span>
  assume-console [
    press F4
  ]
  run [
    event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared:programming-environment-data
  ]
  <span class="Comment"># check that screen prints error message in red</span>
  screen-should-contain [
   <span class="Constant"> .  errors found (0)                                                               run (F4)           .</span>
   <span class="Constant"> .                                                  β”Š                                                 .</span>
<span class="Constant">    .β”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”Šβ”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”.</span>
   <span class="Constant"> .                                                  β”Š0                                               x.</span>
   <span class="Constant"> .                                                  β”Šget 1234:number, foo:offset                      .</span>
   <span class="Constant"> .                                                  β”Šunknown element foo in container number          .</span>
   <span class="Constant"> .                                                  β”Šfirst ingredient of 'get' should be a container,↩.</span>
   <span class="Constant"> .                                                  β”Š but got 1234:number                             .</span>
   <span class="Constant"> .                                                  β”Šβ”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”.</span>
   <span class="Constant"> .                                                  β”Š                                                 .</span>
  ]
  screen-should-contain-in-color <span class="Constant">7/white</span>, [
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                   get 1234:number, foo:offset                      .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
  ]
  screen-should-contain-in-color <span class="Constant">1/red</span>, [
   <span class="Constant"> .  errors found (0)                                                                                  .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                   unknown element foo in container number          .</span>
   <span class="Constant"> .                                                   first ingredient of 'get' should be a container, .</span>
   <span class="Constant"> .                                                    but got 1234:number                             .</span>
   <span class="Constant"> .                                                                                                    .</span>
  ]
  screen-should-contain-in-color <span class="Constant">245/grey</span>, [
   <span class="Constant"> .                                                                                                    .</span>
   <span class="Constant"> .                                                  β”Š                                                 .</span>
<span class="Constant">    .β”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”Šβ”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”.</span>
   <span class="Constant"> .                                                  β”Š                                                x.</span>
   <span class="Constant"> .                                                  β”Š                                                 .</span>
   <span class="Constant"> .                                                  β”Š                                                 .</span>
   <span class="Constant"> .                                                  β”Š                                                ↩.</span>
   <span class="Constant"> .                                                  β”Š                                                 .</span>
   <span class="Constant"> .                                                  β”Šβ”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”.</span>
   <span class="Constant"> .                                                  β”Š                                                 .</span>
  ]
]

<span class="muScenario">scenario</span> run-instruction-and-print-errors-only-once [
  trace-until <span class="Constant">100/app</span>  <span class="Comment"># trace too long</span>
  assume-screen <span class="Constant">100/width</span>, <span class="Constant">10/height</span>
  <span class="Comment"># left editor is empty</span>
  <span class="Constant">1</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[]</span>
  <span class="Comment"># right editor contains an illegal instruction</span>
  <span class="Constant">2</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[get 1234:number, foo:offset]</span>
  <span class="Constant">3</span>:address:shared:programming-environment-data<span class="Special"> &lt;- </span>new-programming-environment screen:address:shared:screen, <span class="Constant">1</span>:address:shared:array:character, <span class="Constant">2</span>:address:shared:array:character
  <span class="Comment"># run the code in the editors multiple times</span>
  assume-console [
    press F4
    press F4
  ]
  run [
    event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared:programming-environment-data
  ]
  <span class="Comment"># check that screen prints error message just once</span>
  screen-should-contain [
   <span class="Constant"> .  errors found (0)                                                               run (F4)           .</span>
   <span class="Constant"> .                                                  β”Š                                                 .</span>
<span class="Constant">    .β”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”Šβ”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”.</span>
   <span class="Constant"> .                                                  β”Š0                                               x.</span>
   <span class="Constant"> .                                                  β”Šget 1234:number, foo:offset                      .</span>
   <span class="Constant"> .                                                  β”Šunknown element foo in container number          .</span>
   <span class="Constant"> .                                                  β”Šfirst ingredient of 'get' should be a container,↩.</span>
   <span class="Constant"> .                                                  β”Š but got 1234:number                             .</span>
   <span class="Constant"> .                                                  β”Šβ”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”.</span>
   <span class="Constant"> .                                                  β”Š                                                 .</span>
  ]
]

<span class="muScenario">scenario</span> sandbox-can-handle-infinite-loop [
  trace-until <span class="Constant">100/app</span>  <span class="Comment"># trace too long</span>
  assume-screen <span class="Constant">100/width</span>, <span class="Constant">20/height</span>
  <span class="Comment"># left editor is empty</span>
  <span class="Constant">1</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[recipe foo [</span>
<span class="Constant">  {</span>
<span class="Constant">    loop</span>
<span class="Constant">  }</span>
<span class="Constant">]</span>]
  <span class="Comment"># right editor contains an instruction</span>
  <span class="Constant">2</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[foo]</span>
  <span class="Constant">3</span>:address:shared:programming-environment-data<span class="Special"> &lt;- </span>new-programming-environment screen:address:shared:screen, <span class="Constant">1</span>:address:shared:array:character, <span class="Constant">2</span>:address:shared:array:character
  <span class="Comment"># run the sandbox</span>
  assume-console [
    press F4
  ]
  run [
    event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared:programming-environment-data
  ]
  screen-should-contain [
   <span class="Constant"> .  errors found (0)                                                               run (F4)           .</span>
   <span class="Constant"> .recipe foo [                                      β”Š                                                 .</span>
   <span class="Constant"> .  {                                               β”Šβ”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”.</span>
   <span class="Constant"> .    loop                                          β”Š0                                               x.</span>
   <span class="Constant"> .  }                                               β”Šfoo                                              .</span>
   <span class="Constant"> .]                                                 β”Štook too long!                                   .</span>
<span class="Constant">    .β”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”ˆβ”Šβ”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”.</span>
   <span class="Constant"> .                                                  β”Š                                                 .</span>
  ]
]

<span class="muScenario">scenario</span> sandbox-with-errors-shows-trace [
  trace-until <span class="Constant">100/app</span>  <span class="Comment"># trace too long</span>
  assume-screen <span class="Constant">100/width</span>, <span class="Constant">10/height</span>
  <span class="Comment"># generate a stash and a error</span>
  <span class="Constant">1</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[recipe foo [</span>
<span class="Constant">local-scope</span>
<span class="Constant">a:number &lt;- next-ingredient</span>
<span class="Constant">b:number &lt;- next-ingredient</span>
<span class="Constant">stash [dividing by]</span>, b
_, c:number<span class="Special"> &lt;- </span>divide-with-remainder a, b
<span class="muControl">reply</span> b
]]
  <span class="Constant">2</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[foo 4, 0]</span>
  <span class="Constant">3</span>:address:shared:programming-environment-data<span class="Special"> &lt;- </span>new-programming-environment screen:address:shared:screen, <span class="Constant">1</span>:address:shared:array:character, <span class="Constant">2</span>:address:shared:array:character
  <span class="Comment"># run</span>
  assume-console [
    press F4
  ]
  event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared:programming-environment-data
  <span class="Comment"># screen prints error message</span>
  screen-should-contain [
   <span class="Constant"> .  errors found (0)                                                               run (F4)           .</span>
   <span class="Constant"> .recipe foo [                                      β”Š                                                 .</span>
   <span class="Constant"> .local-scope                                       β”Šβ”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”.</span>
   <span class="Constant"> .a:number &lt;- next-ingredient                       β”Š0                                               x.</span>
   <span class="Constant"> .b:number &lt;- next-ingredient                       β”Šfoo 4, 0                                         .</span>
   <span class="Constant"> .stash [dividing by], b                            β”Šfoo: divide by zero in '_, c:number &lt;- divide-wi↩.</span>
   <span class="Constant"> ._, c:number &lt;- divide-with-remainder a, b         β”Šth-remainder a, b'                               .</span>
   <span class="Constant"> .reply b                                           β”Šβ”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”.</span>
   <span class="Constant"> .]                                                 β”Š                                                 .</span>
  ]
  <span class="Comment"># click on the call in the sandbox</span>
  assume-console [
    left-click <span class="Constant">4</span>, <span class="Constant">55</span>
  ]
  run [
    event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared:programming-environment-data
  ]
  <span class="Comment"># screen should expand trace</span>
  screen-should-contain [
   <span class="Constant"> .  errors found (0)                                                               run (F4)           .</span>
   <span class="Constant"> .recipe foo [                                      β”Š                                                 .</span>
   <span class="Constant"> .local-scope                                       β”Šβ”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”.</span>
   <span class="Constant"> .a:number &lt;- next-ingredient                       β”Š0                                               x.</span>
   <span class="Constant"> .b:number &lt;- next-ingredient                       β”Šfoo 4, 0                                         .</span>
   <span class="Constant"> .stash [dividing by], b                            β”Šdividing by 0                                    .</span>
   <span class="Constant"> ._, c:number &lt;- divide-with-remainder a, b         β”Šfoo: divide by zero in '_, c:number &lt;- divide-wi↩.</span>
   <span class="Constant"> .reply b                                           β”Šth-remainder a, b'                               .</span>
   <span class="Constant"> .]                                                 β”Šβ”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”β”.</span>
  ]
]
</pre>
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generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2024-07-04 16:36:08 +0000