688 lines
24 KiB
Plaintext
688 lines
24 KiB
Plaintext
## handling malformed programs
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container environment [
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recipe-errors:text
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]
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# load code from disk, save any errors
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def! update-recipes env:&:environment, resources:&:resources, screen:&:screen -> errors-found?:bool, env:&:environment, screen:&:screen [
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local-scope
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load-inputs
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in:text <- slurp resources, [lesson/recipes.mu]
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recipe-errors:text <- reload in
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*env <- put *env, recipe-errors:offset, recipe-errors
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# if recipe editor has errors, stop
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{
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break-unless recipe-errors
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update-status screen, [errors found ], 1/red
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errors-found? <- copy true
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return
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}
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errors-found? <- copy false
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]
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before <end-render-components> [
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trace 11, [app], [render status]
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recipe-errors:text <- get *env, recipe-errors:offset
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{
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break-unless recipe-errors
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update-status screen, [errors found ], 1/red
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}
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]
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container environment [
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error-index:num # index of first sandbox with an error (or -1 if none)
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]
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after <programming-environment-initialization> [
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*result <- put *result, error-index:offset, -1
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]
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after <begin-run-sandboxes> [
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*env <- put *env, error-index:offset, -1
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]
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before <end-run-sandboxes> [
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{
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error-index:num <- get *env, error-index:offset
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sandboxes-completed-successfully?:bool <- equal error-index, -1
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break-if sandboxes-completed-successfully?
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errors-found? <- copy true
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}
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]
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before <end-render-components> [
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{
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break-if recipe-errors
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error-index:num <- get *env, error-index:offset
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sandboxes-completed-successfully?:bool <- equal error-index, -1
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break-if sandboxes-completed-successfully?
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error-index-text:text <- to-text error-index
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status:text <- interpolate [errors found (_) ], error-index-text
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update-status screen, status, 1/red
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}
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]
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container sandbox [
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errors:text
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]
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def! update-sandbox sandbox:&:sandbox, env:&:environment, idx:num -> sandbox:&:sandbox, env:&:environment [
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local-scope
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load-inputs
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{
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recipe-errors:text <- get *env, recipe-errors:offset
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break-unless recipe-errors
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*sandbox <- put *sandbox, errors:offset, recipe-errors
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return
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}
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data:text <- get *sandbox, data:offset
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response:text, errors:text, fake-screen:&:screen, trace:text, completed?:bool <- run-sandboxed data
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*sandbox <- put *sandbox, response:offset, response
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*sandbox <- put *sandbox, errors:offset, errors
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*sandbox <- put *sandbox, screen:offset, fake-screen
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*sandbox <- put *sandbox, trace:offset, trace
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{
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break-if errors
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break-if completed?
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errors <- new [took too long!
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]
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*sandbox <- put *sandbox, errors:offset, errors
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}
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{
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break-unless errors
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error-index:num <- get *env, error-index:offset
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error-not-set?:bool <- equal error-index, -1
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break-unless error-not-set?
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*env <- put *env, error-index:offset, idx
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}
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]
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# make sure we render any trace
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after <render-sandbox-trace-done> [
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{
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sandbox-errors:text <- get *sandbox, errors:offset
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break-unless sandbox-errors
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*sandbox <- put *sandbox, response-starting-row-on-screen:offset, 0 # no response
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{
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break-unless env
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recipe-errors:text <- get *env, recipe-errors:offset
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row, screen <- render-text screen, recipe-errors, left, right, 1/red, row
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}
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row, screen <- render-text screen, sandbox-errors, left, right, 1/red, row
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# don't try to print anything more for this sandbox
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jump +render-sandbox-end
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}
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]
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scenario run-shows-errors-in-get [
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local-scope
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trace-until 100/app # trace too long
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assume-screen 50/width, 20/height
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assume-resources [
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[lesson/recipes.mu] <- [
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|recipe foo [|
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| get 123:num, foo:offset|
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|]|
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]
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]
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env:&:environment <- new-programming-environment resources, screen, [foo]
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render-all screen, env, render
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screen-should-contain [
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. run (F4) .
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.foo .
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.──────────────────────────────────────────────────.
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. .
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]
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assume-console [
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press F4
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]
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run [
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event-loop screen, console, env, resources
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]
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screen-should-contain [
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. errors found run (F4) .
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. .
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.──────────────────────────────────────────────────.
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.0 edit copy delete .
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.foo .
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.foo: unknown element 'foo' in container 'number' .
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.foo: first ingredient of 'get' should be a contai↩.
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.ner, but got '123:num' .
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]
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screen-should-contain-in-color 1/red, [
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. errors found .
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. .
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]
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]
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scenario run-updates-status-with-first-erroneous-sandbox [
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local-scope
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trace-until 100/app # trace too long
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assume-screen 50/width, 20/height
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assume-resources [
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]
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env:&:environment <- new-programming-environment resources, screen, []
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render-all screen, env, render
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assume-console [
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# create invalid sandbox 1
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type [get foo, x:offset]
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press F4
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# create invalid sandbox 0
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type [get foo, x:offset]
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press F4
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]
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run [
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event-loop screen, console, env, resources
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]
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# status line shows that error is in first sandbox
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screen-should-contain [
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. errors found (0) run (F4) .
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]
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]
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scenario run-updates-status-with-first-erroneous-sandbox-2 [
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local-scope
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trace-until 100/app # trace too long
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assume-screen 50/width, 20/height
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assume-resources [
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]
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env:&:environment <- new-programming-environment resources, screen, []
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render-all screen, env, render
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assume-console [
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# create invalid sandbox 2
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type [get foo, x:offset]
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press F4
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# create invalid sandbox 1
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type [get foo, x:offset]
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press F4
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# create valid sandbox 0
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type [add 2, 2]
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press F4
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]
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run [
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event-loop screen, console, env, resources
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]
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# status line shows that error is in second sandbox
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screen-should-contain [
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. errors found (1) run (F4) .
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]
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]
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scenario run-hides-errors-from-past-sandboxes [
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local-scope
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trace-until 100/app # trace too long
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assume-screen 50/width, 20/height
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assume-resources [
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]
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env:&:environment <- new-programming-environment resources, screen, [get foo, x:offset] # invalid
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render-all screen, env, render
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assume-console [
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press F4 # generate error
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]
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event-loop screen, console, env, resources
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assume-console [
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left-click 3, 10
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press ctrl-k
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type [add 2, 2] # valid code
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press F4 # update sandbox
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]
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run [
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event-loop screen, console, env, resources
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]
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# error should disappear
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screen-should-contain [
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. run (F4) .
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. .
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.──────────────────────────────────────────────────.
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.0 edit copy delete .
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.add 2, 2 .
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.4 .
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.──────────────────────────────────────────────────.
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. .
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]
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]
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scenario run-updates-errors-for-shape-shifting-recipes [
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local-scope
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trace-until 100/app # trace too long
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assume-screen 50/width, 20/height
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# define a shape-shifting recipe with an error
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assume-resources [
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[lesson/recipes.mu] <- [
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|recipe foo x:_elem -> z:_elem [|
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| local-scope|
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| load-ingredients|
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| y:&:num <- copy null|
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| z <- add x, y|
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|]|
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]
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]
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env:&:environment <- new-programming-environment resources, screen, [foo 2]
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render-all screen, env, render
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assume-console [
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press F4
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]
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event-loop screen, console, env, resources
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screen-should-contain [
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. errors found (0) run (F4) .
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. .
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.──────────────────────────────────────────────────.
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.0 edit copy delete .
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.foo 2 .
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.foo_2: 'add' requires number ingredients, but got↩.
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. 'y' .
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.──────────────────────────────────────────────────.
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. .
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]
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# now rerun everything
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assume-console [
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press F4
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]
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run [
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event-loop screen, console, env, resources
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]
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# error should remain unchanged
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screen-should-contain [
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. errors found (0) run (F4) .
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. .
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.──────────────────────────────────────────────────.
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.0 edit copy delete .
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.foo 2 .
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.foo_3: 'add' requires number ingredients, but got↩.
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. 'y' .
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.──────────────────────────────────────────────────.
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. .
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]
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]
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scenario run-avoids-spurious-errors-on-reloading-shape-shifting-recipes [
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local-scope
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trace-until 100/app # trace too long
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assume-screen 50/width, 20/height
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# overload a well-known shape-shifting recipe
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assume-resources [
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[lesson/recipes.mu] <- [
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|recipe length l:&:list:_elem -> n:num [|
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|]|
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]
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]
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# call code that uses other variants of it, but not it itself
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test-sandbox:text <- new [x:&:list:num <- copy null
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to-text x]
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env:&:environment <- new-programming-environment resources, screen, test-sandbox
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render-all screen, env, render
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# run it once
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assume-console [
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press F4
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]
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event-loop screen, console, env, resources
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# no errors anywhere on screen (can't check anything else, since to-text will return an address)
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screen-should-contain-in-color 1/red, [
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. .
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. .
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. .
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. .
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. <- .
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. .
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. .
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. .
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. .
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]
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# rerun everything
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assume-console [
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press F4
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]
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run [
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event-loop screen, console, env, resources
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]
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# still no errors
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screen-should-contain-in-color 1/red, [
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. .
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. .
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. .
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. .
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. <- .
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. .
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. .
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. .
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. .
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]
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]
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scenario run-shows-missing-type-errors [
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local-scope
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trace-until 100/app # trace too long
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assume-screen 50/width, 20/height
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assume-resources [
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[lesson/recipes.mu] <- [
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|recipe foo [|
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| x <- copy 0|
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|]|
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]
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]
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env:&:environment <- new-programming-environment resources, screen, [foo]
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render-all screen, env, render
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assume-console [
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press F4
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]
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run [
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event-loop screen, console, env, resources
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]
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screen-should-contain [
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. errors found run (F4) .
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. .
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.──────────────────────────────────────────────────.
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.0 edit copy delete .
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.foo .
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.foo: missing type for 'x' in 'x <- copy 0' .
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]
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]
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scenario run-shows-unbalanced-bracket-errors [
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local-scope
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trace-until 100/app # trace too long
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assume-screen 50/width, 20/height
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# recipe is incomplete (unbalanced '[')
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assume-resources [
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[lesson/recipes.mu] <- [
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|recipe foo \\\[|
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| x <- copy 0|
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]
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]
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env:&:environment <- new-programming-environment resources, screen, [foo]
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render-all screen, env, render
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assume-console [
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press F4
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]
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run [
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event-loop screen, console, env, resources
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]
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screen-should-contain [
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. errors found run (F4) .
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. .
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.──────────────────────────────────────────────────.
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.0 edit copy delete .
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.foo .
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.9: unbalanced '\\[' for recipe .
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.9: unbalanced '\\[' for recipe .
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.──────────────────────────────────────────────────.
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. .
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]
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]
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scenario run-shows-get-on-non-container-errors [
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local-scope
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trace-until 100/app # trace too long
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assume-screen 50/width, 20/height
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assume-resources [
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[lesson/recipes.mu] <- [
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|recipe foo [|
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| local-scope|
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| x:&:point <- new point:type|
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| get x:&:point, 1:offset|
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|]|
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]
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]
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env:&:environment <- new-programming-environment resources, screen, [foo]
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render-all screen, env, render
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assume-console [
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press F4
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]
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run [
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event-loop screen, console, env, resources
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]
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screen-should-contain [
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. errors found run (F4) .
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. .
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.──────────────────────────────────────────────────.
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.0 edit copy delete .
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.foo .
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.foo: first ingredient of 'get' should be a contai↩.
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.ner, but got 'x:&:point' .
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]
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]
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scenario run-shows-non-literal-get-argument-errors [
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local-scope
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trace-until 100/app # trace too long
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assume-screen 50/width, 20/height
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assume-resources [
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[lesson/recipes.mu] <- [
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|recipe foo [|
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| local-scope|
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| x:num <- copy 0|
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| y:&:point <- new point:type|
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| get *y:&:point, x:num|
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|]|
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]
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]
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env:&:environment <- new-programming-environment resources, screen, [foo]
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render-all screen, env, render
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assume-console [
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press F4
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]
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run [
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event-loop screen, console, env, resources
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]
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screen-should-contain [
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. errors found run (F4) .
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. .
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.──────────────────────────────────────────────────.
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.0 edit copy delete .
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.foo .
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.foo: second ingredient of 'get' should have type ↩.
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.'offset', but got 'x:num' .
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]
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]
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scenario run-shows-errors-every-time [
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local-scope
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trace-until 100/app # trace too long
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assume-screen 50/width, 20/height
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# try to run a file with an error
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assume-resources [
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[lesson/recipes.mu] <- [
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|recipe foo [|
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| local-scope|
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| x:num <- copy y:num|
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|]|
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]
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]
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env:&:environment <- new-programming-environment resources, screen, [foo]
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render-all screen, env, render
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assume-console [
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press F4
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]
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event-loop screen, console, env, resources
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screen-should-contain [
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. errors found run (F4) .
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. .
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.──────────────────────────────────────────────────.
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.0 edit copy delete .
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.foo .
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.foo: tried to read ingredient 'y' in 'x:num <- co↩.
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.py y:num' but it hasn't been written to yet .
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]
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# rerun the file, check for the same error
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assume-console [
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press F4
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]
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run [
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event-loop screen, console, env, resources
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]
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screen-should-contain [
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. errors found run (F4) .
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. .
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.──────────────────────────────────────────────────.
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.0 edit copy delete .
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.foo .
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.foo: tried to read ingredient 'y' in 'x:num <- co↩.
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.py y:num' but it hasn't been written to yet .
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]
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]
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scenario run-instruction-and-print-errors [
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local-scope
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trace-until 100/app # trace too long
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assume-screen 50/width, 15/height
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assume-resources [
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]
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# editor contains an illegal instruction
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env:&:environment <- new-programming-environment resources, screen, [get 1:&:point, 1:offset]
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render-all screen, env, render
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assume-console [
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press F4
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]
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run [
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event-loop screen, console, env, resources
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]
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# check that screen prints error message in red
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screen-should-contain [
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. errors found (0) run (F4) .
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. .
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.──────────────────────────────────────────────────.
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.0 edit copy delete .
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.get 1:&:point, 1:offset .
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.first ingredient of 'get' should be a container, ↩.
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.but got '1:&:point' .
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.──────────────────────────────────────────────────.
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. .
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]
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screen-should-contain-in-color 1/red, [
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. errors found (0) .
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. .
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. .
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. .
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. .
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.first ingredient of 'get' should be a container, .
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.but got '1:&:point' .
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. .
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. .
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]
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]
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scenario run-instruction-and-print-errors-only-once [
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|
local-scope
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|
trace-until 100/app # trace too long
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|
assume-screen 50/width, 10/height
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|
assume-resources [
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|
]
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|
# editor contains an illegal instruction
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|
env:&:environment <- new-programming-environment resources, screen, [get 1234:num, foo:offset]
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|
render-all screen, env, render
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|
# run the code in the editors multiple times
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|
assume-console [
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|
press F4
|
|
press F4
|
|
]
|
|
run [
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|
event-loop screen, console, env, resources
|
|
]
|
|
# check that screen prints error message just once
|
|
screen-should-contain [
|
|
. errors found (0) run (F4) .
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|
. .
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|
.──────────────────────────────────────────────────.
|
|
.0 edit copy delete .
|
|
.get 1234:num, foo:offset .
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|
.unknown element 'foo' in container 'number' .
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|
.first ingredient of 'get' should be a container, ↩.
|
|
.but got '1234:num' .
|
|
.──────────────────────────────────────────────────.
|
|
. .
|
|
]
|
|
]
|
|
|
|
scenario sandbox-can-handle-infinite-loop [
|
|
local-scope
|
|
trace-until 100/app # trace too long
|
|
assume-screen 50/width, 20/height
|
|
assume-resources [
|
|
]
|
|
# editor contains an infinite loop
|
|
test-sandbox:text <- new [{
|
|
loop
|
|
}]
|
|
env:&:environment <- new-programming-environment resources, screen, test-sandbox
|
|
render-all screen, env, render
|
|
# run the sandbox
|
|
assume-console [
|
|
press F4
|
|
]
|
|
run [
|
|
event-loop screen, console, env, resources
|
|
]
|
|
screen-should-contain [
|
|
. errors found (0) run (F4) .
|
|
. .
|
|
.──────────────────────────────────────────────────.
|
|
.0 edit copy delete .
|
|
.{ .
|
|
.loop .
|
|
.} .
|
|
.took too long! .
|
|
.──────────────────────────────────────────────────.
|
|
. .
|
|
]
|
|
]
|
|
|
|
scenario sandbox-with-errors-shows-trace [
|
|
local-scope
|
|
trace-until 100/app # trace too long
|
|
assume-screen 50/width, 20/height
|
|
# generate a stash and a error
|
|
assume-resources [
|
|
[lesson/recipes.mu] <- [
|
|
|recipe foo [|
|
|
| local-scope|
|
|
| a:num <- next-ingredient|
|
|
| b:num <- next-ingredient|
|
|
| stash [dividing by], b|
|
|
| _, c:num <- divide-with-remainder a, b|
|
|
| reply b|
|
|
|]|
|
|
]
|
|
]
|
|
env:&:environment <- new-programming-environment resources, screen, [foo 4, 0]
|
|
render-all screen, env, render
|
|
# run
|
|
assume-console [
|
|
press F4
|
|
]
|
|
event-loop screen, console, env, resources
|
|
# screen prints error message
|
|
screen-should-contain [
|
|
. errors found (0) run (F4) .
|
|
. .
|
|
.──────────────────────────────────────────────────.
|
|
.0 edit copy delete .
|
|
.foo 4, 0 .
|
|
.foo: divide by zero in '_, c:num <- divide-with-r↩.
|
|
.emainder a, b' .
|
|
.──────────────────────────────────────────────────.
|
|
. .
|
|
]
|
|
# click on the call in the sandbox
|
|
assume-console [
|
|
left-click 4, 15
|
|
]
|
|
run [
|
|
event-loop screen, console, env, resources
|
|
]
|
|
# screen should expand trace
|
|
screen-should-contain [
|
|
. errors found (0) run (F4) .
|
|
. .
|
|
.──────────────────────────────────────────────────.
|
|
.0 edit copy delete .
|
|
.foo 4, 0 .
|
|
.dividing by 0 .
|
|
.14 instructions run .
|
|
.foo: divide by zero in '_, c:num <- divide-with-r↩.
|
|
.emainder a, b' .
|
|
.──────────────────────────────────────────────────.
|
|
. .
|
|
]
|
|
]
|