## handling malformed programs
container programming-environment-data [
recipe-errors:address:array:character
]
# copy code from recipe editor, persist, load into mu, save any errors
# test-recipes is a hook for testing
def! update-recipes env:address:programming-environment-data, screen:address:screen, test-recipes:address:array:character -> errors-found?:boolean, env:address:programming-environment-data, screen:address:screen [
local-scope
load-ingredients
{
break-if test-recipes
in:address:array:character <- restore [recipes.mu]
recipe-errors:address:array:character <- reload in
*env <- put *env, recipe-errors:offset, recipe-errors
}
{
break-unless test-recipes
recipe-errors:address:array:character <- reload test-recipes
}
*env <- put *env, recipe-errors:offset, recipe-errors
# if recipe editor has errors, stop
{
break-unless recipe-errors
update-status screen, [errors found ], 1/red
errors-found? <- copy 1/true
return
}
errors-found? <- copy 0/false
]
before <render-components-end> [
trace 11, [app], [render status]
recipe-errors:address:array:character <- get *env, recipe-errors:offset
{
break-unless recipe-errors
update-status screen, [errors found ], 1/red
}
]
container programming-environment-data [
error-index:number # index of first sandbox with an error (or -1 if none)
]
after <programming-environment-initialization> [
*result <- put *result, error-index:offset, -1
]
after <run-sandboxes-begin> [
*env <- put *env, error-index:offset, -1
]
before <run-sandboxes-end> [
{
error-index:number <- get *env, error-index:offset
sandboxes-completed-successfully?:boolean <- equal error-index, -1
break-if sandboxes-completed-successfully?
errors-found? <- copy 1/true
}
]
before <render-components-end> [
{
break-if recipe-errors
error-index:number <- get *env, error-index:offset
sandboxes-completed-successfully?:boolean <- equal error-index, -1
break-if sandboxes-completed-successfully?
error-index-text:address:array:character <- to-text error-index
status:address:array:character <- interpolate [errors found (_) ], error-index-text
update-status screen, status, 1/red
}
]
container sandbox-data [
errors:address:array:character
]
def! update-sandbox sandbox:address:sandbox-data, env:address:programming-environment-data, idx:number -> sandbox:address:sandbox-data, env:address:programming-environment-data [
local-scope
load-ingredients
{
recipe-errors:address:array:character <- get *env, recipe-errors:offset
break-unless recipe-errors
*sandbox <- put *sandbox, errors:offset, recipe-errors
return
}
data:address:array:character <- get *sandbox, data:offset
response:address:array:character, errors:address:array:character, fake-screen:address:screen, trace:address:array:character, completed?:boolean <- run-interactive data
*sandbox <- put *sandbox, response:offset, response
*sandbox <- put *sandbox, errors:offset, errors
*sandbox <- put *sandbox, screen:offset, fake-screen
*sandbox <- put *sandbox, trace:offset, trace
{
break-if errors
break-if completed?:boolean
errors <- new [took too long!
]
*sandbox <- put *sandbox, errors:offset, errors
}
{
break-unless errors
error-index:number <- get *env, error-index:offset
error-not-set?:boolean <- equal error-index, -1
break-unless error-not-set?
*env <- put *env, error-index:offset, idx
}
]
# make sure we render any trace
after <render-sandbox-trace-done> [
{
sandbox-errors:address:array:character <- get *sandbox, errors:offset
break-unless sandbox-errors
*sandbox <- put *sandbox, response-starting-row-on-screen:offset, 0 # no response
{
break-unless env
recipe-errors:address:array:character <- get *env, recipe-errors:offset
row, screen <- render screen, recipe-errors, left, right, 1/red, row
}
row, screen <- render screen, sandbox-errors, left, right, 1/red, row
# don't try to print anything more for this sandbox
jump +render-sandbox-end:label
}
]
scenario run-shows-errors-in-get [
trace-until 100/app # trace too long
assume-screen 50/width, 20/height
1:address:array:character <- new [
def foo [
get 123:number, foo:offset
]]
2:address:array:character <- new [foo]
3:address:programming-environment-data <- new-programming-environment screen:address:screen, 2:address:array:character
assume-console [
press F4
]
run [
event-loop screen:address:screen, console:address:console, 3:address:programming-environment-data, 1:address:array:character/test-recipes
]
screen-should-contain [
. errors found run (F4) .
. .
.━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.
.0 edit copy delete .
.foo .
.foo: unknown element 'foo' in container 'number' .
.foo: first ingredient of 'get' should be a contai↩.
.ner, but got '123:number' .
]
screen-should-contain-in-color 1/red, [
. errors found .
. .
]
]
scenario run-updates-status-with-first-erroneous-sandbox [
trace-until 100/app # trace too long
assume-screen 50/width, 20/height
1:address:array:character <- new []
2:address:array:character <- new []
3:address:programming-environment-data <- new-programming-environment screen:address:screen, 2:address:array:character
assume-console [
# create invalid sandbox 1
type [get foo, x:offset]
press F4
# create invalid sandbox 0
type [get foo, x:offset]
press F4
]
run [
event-loop screen:address:screen, console:address:console, 3:address:programming-environment-data, 1:address:array:character/empty-test-recipes
]
# status line shows that error is in first sandbox
screen-should-contain [
. errors found (0) run (F4) .
]
]
scenario run-updates-status-with-first-erroneous-sandbox-2 [
trace-until 100/app # trace too long
assume-screen 50/width, 20/height
1:address:array:character <- new []
2:address:array:character <- new []
3:address:programming-environment-data <- new-programming-environment screen:address:screen, 2:address:array:character
assume-console [
# create invalid sandbox 2
type [get foo, x:offset]
press F4
# create invalid sandbox 1
type [get foo, x:offset]
press F4
# create valid sandbox 0
type [add 2, 2]
press F4
]
run [
event-loop screen:address:screen, console:address:console, 3:address:programming-environment-data, 1:address:array:character/empty-test-recipes
]
# status line shows that error is in second sandbox
screen-should-contain [
. errors found (1) run (F4) .
]
]
scenario run-hides-errors-from-past-sandboxes [
trace-until 100/app # trace too long
assume-screen 50/width, 20/height
1:address:array:character <- new []
2:address:array:character <- new [get foo, x:offset] # invalid
3:address:programming-environment-data <- new-programming-environment screen:address:screen, 2:address:array:character
assume-console [
press F4 # generate error
]
event-loop screen:address:screen, console:address:console, 3:address:programming-environment-data, 1:address:array:character/empty-test-recipes
assume-console [
left-click 3, 10
press ctrl-k
type [add 2, 2] # valid code
press F4 # update sandbox
]
run [
event-loop screen:address:screen, console:address:console, 3:address:programming-environment-data
]
# error should disappear
screen-should-contain [
. run (F4) .
. .
.━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.
.0 edit copy delete .
.add 2, 2 .
.4 .
.━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.
. .
]
]
scenario run-updates-errors-for-shape-shifting-recipes [
trace-until 100/app # trace too long
assume-screen 50/width, 20/height
# define a shape-shifting recipe with an error
1:address:array:character <- new [recipe foo x:_elem -> z:_elem [
local-scope
load-ingredients
y:address:number <- copy 0
z <- add x, y
]]
2:address:array:character <- new [foo 2]
3:address:programming-environment-data <- new-programming-environment screen:address:screen, 2:address:array:character
assume-console [
press F4
]
event-loop screen:address:screen, console:address:console, 3:address:programming-environment-data, 1:address:array:character/test-recipes
screen-should-contain [
. errors found (0) run (F4) .
. .
.━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.
.0 edit copy delete .
.foo 2 .
.foo_2: 'add' requires number ingredients, but got↩.
. 'y' .
.━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.
. .
]
# now rerun everything
assume-console [
press F4
]
run [
event-loop screen:address:screen, console:address:console, 3:address:programming-environment-data, 1:address:array:character/test-recipes
]
# error should remain unchanged
screen-should-contain [
. errors found (0) run (F4) .
. .
.━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.
.0 edit copy delete .
.foo 2 .
.foo_3: 'add' requires number ingredients, but got↩.
. 'y' .
.━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.
. .
]
]
scenario run-avoids-spurious-errors-on-reloading-shape-shifting-recipes [
trace-until 100/app # trace too long
assume-screen 50/width, 20/height
# overload a well-known shape-shifting recipe
1:address:array:character <- new [recipe length l:address:list:_elem -> n:number [
]]
# call code that uses other variants of it, but not it itself
2:address:array:character <- new [x:address:list:number <- copy 0
to-text x]
3:address:programming-environment-data <- new-programming-environment screen:address:screen, 2:address:array:character
# run it once
assume-console [
press F4
]
event-loop screen:address:screen, console:address:console, 3:address:programming-environment-data, 1:address:array:character/test-recipes
# no errors anywhere on screen (can't check anything else, since to-text will return an address)
screen-should-contain-in-color 1/red, [
. .
. .
. .
. .
. <- .
. .
. .
. .
. .
]
# rerun everything
assume-console [
press F4
]
run [
event-loop screen:address:screen, console:address:console, 3:address:programming-environment-data, 1:address:array:character/test-recipes
]
# still no errors
screen-should-contain-in-color 1/red, [
. .
. .
. .
. .
. <- .
. .
. .
. .
. .
]
]
scenario run-shows-missing-type-errors [
trace-until 100/app # trace too long
assume-screen 50/width, 20/height
1:address:array:character <- new [
def foo [
x <- copy 0
]]
2:address:array:character <- new [foo]
3:address:programming-environment-data <- new-programming-environment screen:address:screen, 2:address:array:character
assume-console [
press F4
]
run [
event-loop screen:address:screen, console:address:console, 3:address:programming-environment-data, 1:address:array:character/test-recipes
]
screen-should-contain [
. errors found run (F4) .
. .
.━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.
.0 edit copy delete .
.foo .
.foo: missing type for 'x' in 'x <- copy 0' .
]
]
scenario run-shows-unbalanced-bracket-errors [
trace-until 100/app # trace too long
assume-screen 50/width, 20/height
# recipe is incomplete (unbalanced '[')
1:address:array:character <- new [
recipe foo «
x <- copy 0
]
replace 1:address:array:character, 171/«, 91 # '['
2:address:array:character <- new [foo]
3:address:programming-environment-data <- new-programming-environment screen:address:screen, 2:address:array:character
assume-console [
press F4
]
run [
event-loop screen:address:screen, console:address:console, 3:address:programming-environment-data, 1:address:array:character/test-recipes
]
screen-should-contain [
. errors found run (F4) .
. .
.━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.
.0 edit copy delete .
.foo .
.9: unbalanced '\\\[' for recipe .
.9: unbalanced '\\\[' for recipe .
.━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.
. .
]
]
scenario run-shows-get-on-non-container-errors [
trace-until 100/app # trace too long
assume-screen 50/width, 20/height
1:address:array:character <- new [
def foo [
local-scope
x:address:point <- new point:type
get x:address:point, 1:offset
]]
2:address:array:character <- new [foo]
3:address:programming-environment-data <- new-programming-environment screen:address:screen, 2:address:array:character
assume-console [
press F4
]
run [
event-loop screen:address:screen, console:address:console, 3:address:programming-environment-data, 1:address:array:character/test-recipes
]
screen-should-contain [
. errors found run (F4) .
. .
.━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.
.0 edit copy delete .
.foo .
.foo: first ingredient of 'get' should be a contai↩.
.ner, but got 'x:address:point' .
]
]
scenario run-shows-non-literal-get-argument-errors [
trace-until 100/app # trace too long
assume-screen 50/width, 20/height
1:address:array:character <- new [
def foo [
local-scope
x:number <- copy 0
y:address:point <- new point:type
get *y:address:point, x:number
]]
2:address:array:character <- new [foo]
3:address:programming-environment-data <- new-programming-environment screen:address:screen, 2:address:array:character
assume-console [
press F4
]
run [
event-loop screen:address:screen, console:address:console, 3:address:programming-environment-data, 1:address:array:character/test-recipes
]
screen-should-contain [
. errors found run (F4) .
. .
.━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.
.0 edit copy delete .
.foo .
.foo: second ingredient of 'get' should have type ↩.
.'offset', but got 'x:number' .
]
]
scenario run-shows-errors-everytime [
trace-until 100/app # trace too long
assume-screen 50/width, 20/height
# try to run a file with an error
1:address:array:character <- new [
def foo [
local-scope
x:number <- copy y:number
]]
2:address:array:character <- new [foo]
3:address:programming-environment-data <- new-programming-environment screen:address:screen, 2:address:array:character
assume-console [
press F4
]
event-loop screen:address:screen, console:address:console, 3:address:programming-environment-data, 1:address:array:character/test-recipes
screen-should-contain [
. errors found run (F4) .
. .
.━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.
.0 edit copy delete .
.foo .
.foo: use before set: 'y' .
]
# rerun the file, check for the same error
assume-console [
press F4
]
run [
event-loop screen:address:screen, console:address:console, 3:address:programming-environment-data, 1:address:array:character/test-recipes
]
screen-should-contain [
. errors found run (F4) .
. .
.━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.
.0 edit copy delete .
.foo .
.foo: use before set: 'y' .
]
]
scenario run-instruction-and-print-errors [
trace-until 100/app # trace too long
assume-screen 50/width, 15/height
1:address:array:character <- new [get 1:address:point, 1:offset]
2:address:programming-environment-data <- new-programming-environment screen:address:screen, 1:address:array:character
assume-console [
press F4
]
run [
event-loop screen:address:screen, console:address:console, 2:address:programming-environment-data
]
screen-should-contain [
. errors found (0) run (F4) .
. .
.━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.
.0 edit copy delete .
.get 1:address:point, 1:offset .
.first ingredient of 'get' should be a container, ↩.
.but got '1:address:point' .
.━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.
. .
]
screen-should-contain-in-color 1/red, [
. errors found (0) .
. .
. .
. .
. .
.first ingredient of 'get' should be a container, .
.but got '1:address:point' .
. .
. .
]
]
scenario run-instruction-and-print-errors-only-once [
trace-until 100/app # trace too long
assume-screen 50/width, 10/height
# editor contains an illegal instruction
1:address:array:character <- new [get 1234:number, foo:offset]
2:address:programming-environment-data <- new-programming-environment screen:address:screen, 1:address:array:character
# run the code in the editors multiple times
assume-console [
press F4
press F4
]
run [
event-loop screen:address:screen, console:address:console, 2:address:programming-environment-data
]
# check that screen prints error message just once
screen-should-contain [
. errors found (0) run (F4) .
. .
.━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.
.0 edit copy delete .
.get 1234:number, foo:offset .
.unknown element 'foo' in container 'number' .
.first ingredient of 'get' should be a container, ↩.
.but got '1234:number' .
.━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.
. .
]
]
scenario sandbox-can-handle-infinite-loop [
trace-until 100/app # trace too long
assume-screen 50/width, 20/height
# editor contains an infinite loop
1:address:array:character <- new [{
loop
}]
2:address:programming-environment-data <- new-programming-environment screen:address:screen, 1:address:array:character
# run the sandbox
assume-console [
press F4
]
run [
event-loop screen:address:screen, console:address:console, 2:address:programming-environment-data
]
screen-should-contain [
. errors found (0) run (F4) .
. .
.━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.
.0 edit copy delete .
.{ .
.loop .
.} .
.took too long! .
.━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.
. .
]
]
scenario sandbox-with-errors-shows-trace [
trace-until 100/app # trace too long
assume-screen 50/width, 20/height
# generate a stash and a error
1:address:array:character <- new [recipe foo [
local-scope
a:number <- next-ingredient
b:number <- next-ingredient
stash [dividing by], b
_, c:number <- divide-with-remainder a, b
return b
]]
2:address:array:character <- new [foo 4, 0]
3:address:programming-environment-data <- new-programming-environment screen:address:screen, 2:address:array:character
# run
assume-console [
press F4
]
event-loop screen:address:screen, console:address:console, 3:address:programming-environment-data, 1:address:array:character/test-recipes
# 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:number <- divide-wit↩.
.h-remainder a, b' .
.━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.
. .
]
# click on the call in the sandbox
assume-console [
left-click 4, 15
]
run [
event-loop screen:address:screen, console:address:console, 3:address:programming-environment-data, 1:address:array:character/test-recipes
]
# screen should expand trace
screen-should-contain [
. errors found (0) run (F4) .
. .
.━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.
.0 edit copy delete .
.foo 4, 0 .
.dividing by 0 .
.foo: divide by zero in '_, c:number <- divide-wit↩.
.h-remainder a, b' .
.━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.
. .
]
]