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ommitter Kartik K. Agaram <vc@akkartik.com> 2015-09-07 10:37:27 -0700 2177' href='/akkartik/mu/commit/html/edit/005-sandbox.mu.html?h=main&id=f5465e1220d73e237c51897b7d1211ec53b0dc04'>f5465e12 ^

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Mu - edit/005-sandbox.mu</title> <meta name="Generator" content="Vim/7.4"> <meta name="plugin-version" content="vim7.4_v1"> <meta name="syntax" content="none"> <meta name="settings" content="use_css,pre_wrap,no_foldcolumn,expand_tabs,prevent_copy="> <meta name="colorscheme" content="minimal"> <style type="text/css">  </style> <script type='text/javascript'>  </script> </head> <body> <pre id='vimCodeElement'> ## running code from the editor and creating sandboxes # # Running code in the sandbox editor prepends its contents to a list of # (non-editable) sandboxes below the editor, showing the result and a maybe # few other things. container programming-environment-data [ sandbox:address:sandbox-data # list of sandboxes, from top to bottom ] container sandbox-data [ data:address:array:character response:address:array:character expected-response:address:array:character # coordinates to track clicks starting-row-on-screen:number code-ending-row-on-screen:number # past end of code response-starting-row-on-screen:number screen:address:screen # prints in the sandbox go here next-sandbox:address:sandbox-data ] scenario run-and-show-results [ $close-trace # trace too long assume-screen 100/width, 15/height # recipe editor is empty 1:address:array:character <- new [] # sandbox editor contains an instruction without storing outputs 2:address:array:character <- new [divide-with-remainder 11, 3] 3:address:programming-environment-data <- new-programming-environment screen:address, 1:address:array:character, 2:address:array:character # run the code in the editors assume-console [ press F4 ] run [ event-loop screen:address, console:address, 3:address:programming-environment-data ] # check that screen prints the results screen-should-contain [ . run (F4) . . ┊ . .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━. . ┊ x. . ┊divide-with-remainder 11, 3 . . ┊3 . . ┊2 . . ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━. . ┊ . ] screen-should-contain-in-color 7/white, [ . . . . . . . . . divide-with-remainder 11, 3 . . . . . . . . . ] screen-should-contain-in-color 245/grey, [ . . . ┊ . .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━. . ┊ x. . ┊ . . ┊3 . . ┊2 . . ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━. . ┊ . ] # run another command assume-console [ left-click 1, 80 type [add 2, 2] press F4 ] run [ event-loop screen:address, console:address, 3:address:programming-environment-data ] # check that screen prints the results screen-should-contain [ . run (F4) . . ┊ . .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━. . ┊ x. . ┊add 2, 2 . . ┊4 . . ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━. . ┊ x. . ┊divide-with-remainder 11, 3 . . ┊3 . . ┊2 . . ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━. . ┊ . ] ] # hook into event-loop recipe: read non-unicode keypress from k, process it if # necessary, then go to next level after <global-keypress> [ # F4? load all code and run all sandboxes. { do-run?:boolean <- equal *k, 65532/F4 break-unless do-run? status:address:array:character <- new [running... ] screen <- update-status screen, status, 245/grey error?:boolean, env, screen <- run-sandboxes env, screen # F4 might update warnings and results on both sides screen <- render-all screen, env { break-if error? status:address:array:character <- new [ ] screen <- update-status screen, status, 245/grey } screen <- update-cursor screen, recipes, current-sandbox, *sandbox-in-focus? loop +next-event:label } ] recipe run-sandboxes [ local-scope env:address:programming-environment-data <- next-ingredient screen:address <- next-ingredient stop?:boolean, env, screen <- update-recipes env, screen reply-if stop?, 1/errors-found, env/same-as-ingredient:0, screen/same-as-ingredient:1 # check contents of right editor (sandbox) current-sandbox:address:editor-data <- get *env, current-sandbox:offset { sandbox-contents:address:array:character <- editor-contents current-sandbox break-unless sandbox-contents # if contents exist, first save them # run them and turn them into a new sandbox-data new-sandbox:address:sandbox-data <- new sandbox-data:type data:address:address:array:character <- get-address *new-sandbox, data:offset *data <- copy sandbox-contents # push to head of sandbox list dest:address:address:sandbox-data <- get-address *env, sandbox:offset next:address:address:sandbox-data <- get-address *new-sandbox, next-sandbox:offset *next <- copy *dest *dest <- copy new-sandbox # clear sandbox editor init:address:address:duplex-list <- get-address *current-sandbox, data:offset *init <- push-duplex 167/§, 0/tail top-of-screen:address:address:duplex-list <- get-address *current-sandbox, top-of-screen:offset *top-of-screen <- copy *init } # save all sandboxes before running, just in case we die when running save-sandboxes env # run all sandboxes curr:address:sandbox-data <- get *env, sandbox:offset { break-unless curr update-sandbox curr curr <- get *curr, next-sandbox:offset loop } reply 0/no-errors-found, env/same-as-ingredient:0, screen/same-as-ingredient:1 ] # copy code from recipe editor, persist, load into mu # replaced in a later layer recipe update-recipes [ local-scope env:address:programming-environment-data <- next-ingredient screen:address <- next-ingredient recipes:address:editor-data <- get *env, recipes:offset in:address:array:character <- editor-contents recipes save [recipes.mu], in reload in reply 0/no-errors-found, env/same-as-ingredient:0, screen/same-as-ingredient:1 ] # replaced in a later layer recipe update-sandbox [ local-scope sandbox:address:sandbox-data <- next-ingredient data:address:array:character <- get *sandbox, data:offset response:address:address:array:character <- get-address *sandbox, response:offset fake-screen:address:address:screen <- get-address *sandbox, screen:offset *response, _, *fake-screen <- run-interactive data ] recipe update-status [ local-scope screen:address <- next-ingredient msg:address:array:character <- next-ingredient color:number <- next-ingredient screen <- move-cursor screen, 0, 2 screen <- print-string screen, msg, color, 238/grey/background reply screen/same-as-ingredient:0 ] recipe save-sandboxes [ local-scope env:address:programming-environment-data <- next-ingredient current-sandbox:address:editor-data <- get *env, current-sandbox:offset # first clear previous versions, in case we deleted some sandbox $system [rm lesson/[0-9]* >/dev/null 2>/dev/null] # some shells can't handle '>&' curr:address:sandbox-data <- get *env, sandbox:offset suffix:address:array:character <- new [.out] idx:number <- copy 0 { break-unless curr data:address:array:character <- get *curr, data:offset filename:address:array:character <- integer-to-decimal-string idx save filename, data { expected-response:address:array:character <- get *curr, expected-response:offset break-unless expected-response filename <- string-append filename, suffix save filename, expected-response } idx <- add idx, 1 curr <- get *curr, next-sandbox:offset loop } ] recipe! render-sandbox-side [ local-scope screen:address <- next-ingredient env:address:programming-environment-data <- next-ingredient trace 11, [app], [render sandbox side] current-sandbox:address:editor-data <- get *env, current-sandbox:offset left:number <- get *current-sandbox, left:offset right:number <- get *current-sandbox, right:offset row:number, column:number, screen, current-sandbox <- render screen, current-sandbox clear-screen-from screen, row, column, left, right row <- add row, 1 draw-horizontal screen, row, left, right, 9473/horizontal-double sandbox:address:sandbox-data <- get *env, sandbox:offset row, screen <- render-sandboxes screen, sandbox, left, right, row clear-rest-of-screen screen, row, left, left, right reply screen/same-as-ingredient:0 ] recipe render-sandboxes [ local-scope screen:address <- next-ingredient sandbox:address:sandbox-data <- next-ingredient left:number <- next-ingredient right:number <- next-ingredient row:number <- next-ingredient reply-unless sandbox, row/same-as-ingredient:4, screen/same-as-ingredient:0 screen-height:number <- screen-height screen at-bottom?:boolean <- greater-or-equal row, screen-height reply-if at-bottom?:boolean, row/same-as-ingredient:4, screen/same-as-ingredient:0 # render sandbox menu row <- add row, 1 screen <- move-cursor screen, row, left clear-line-delimited screen, left, right print-character screen, 120/x, 245/grey # save menu row so we can detect clicks to it later starting-row:address:number <- get-address *sandbox, starting-row-on-screen:offset *starting-row <- copy row # render sandbox contents row <- add row, 1 screen <- move-cursor screen, row, left sandbox-data:address:array:character <- get *sandbox, data:offset row, screen <- render-code-string screen, sandbox-data, left, right, row code-ending-row:address:number <- get-address *sandbox, code-ending-row-on-screen:offset *code-ending-row <- copy row # render sandbox warnings, screen or response, in that order response-starting-row:address:number <- get-address *sandbox, response-starting-row-on-screen:offset sandbox-response:address:array:character <- get *sandbox, response:offset <render-sandbox-results> { sandbox-screen:address <- get *sandbox, screen:offset empty-screen?:boolean <- fake-screen-is-empty? sandbox-screen break-if empty-screen? row, screen <- render-screen screen, sandbox-screen, left, right, row } { break-unless empty-screen? *response-starting-row <- copy row <render-sandbox-response> row, screen <- render-string screen, sandbox-response, left, right, 245/grey, row } +render-sandbox-end at-bottom?:boolean <- greater-or-equal row, screen-height reply-if at-bottom?, row/same-as-ingredient:4, screen/same-as-ingredient:0 # draw solid line after sandbox draw-horizontal screen, row, left, right, 9473/horizontal-double # draw next sandbox next-sandbox:address:sandbox-data <- get *sandbox, next-sandbox:offset row, screen <- render-sandboxes screen, next-sandbox, left, right, row reply row/same-as-ingredient:4, screen/same-as-ingredient:0 ] # assumes programming environment has no sandboxes; restores them from previous session recipe restore-sandboxes [ local-scope env:address:programming-environment-data <- next-ingredient # read all scenarios, pushing them to end of a list of scenarios suffix:address:array:character <- new [.out] idx:number <- copy 0 curr:address:address:sandbox-data <- get-address *env, sandbox:offset { filename:address:array:character <- integer-to-decimal-string idx contents:address:array:character <- restore filename break-unless contents # stop at first error; assuming file didn't exist # create new sandbox for file *curr <- new sandbox-data:type data:address:address:array:character <- get-address **curr, data:offset *data <- copy contents # restore expected output for sandbox if it exists { filename <- string-append filename, suffix contents <- restore filename break-unless contents expected-response:address:address:array:character <- get-address **curr, expected-response:offset *expected-response <- copy contents } +continue idx <- add idx, 1 curr <- get-address **curr, next-sandbox:offset loop } reply env/same-as-ingredient:0 ] # row, screen <- render-screen screen:address, sandbox-screen:address, left:number, right:number, row:number # print the fake sandbox screen to 'screen' with appropriate delimiters # leave cursor at start of next line recipe render-screen [ local-scope screen:address <- next-ingredient s:address:screen <- next-ingredient left:number <- next-ingredient right:number <- next-ingredient row:number <- next-ingredient reply-unless s, row/same-as-ingredient:4, screen/same-as-ingredient:0 # print 'screen:' header:address:array:character <- new [screen:] row <- render-string screen, header, left, right, 245/grey, row screen <- move-cursor screen, row, left # start printing s column:number <- copy left s-width:number <- screen-width s s-height:number <- screen-height s buf:address:array:screen-cell <- get *s, data:offset stop-printing:number <- add left, s-width, 3 max-column:number <- min stop-printing, right i:number <- copy 0 len:number <- length *buf screen-height:number <- screen-height screen { done?:boolean <- greater-or-equal i, len break-if done? done? <- greater-or-equal row, screen-height break-if done? column <- copy left screen <- move-cursor screen, row, column # initial leader for each row: two spaces and a '.' print-character screen, 32/space, 245/grey print-character screen, 32/space, 245/grey print-character screen, 46/full-stop, 245/grey column <- add left, 3 { # print row row-done?:boolean <- greater-or-equal column, max-column break-if row-done? curr:screen-cell <- index *buf, i c:character <- get curr, contents:offset color:number <- get curr, color:offset { # damp whites down to grey white?:boolean <- equal color, 7/white break-unless white? color <- copy 245/grey } print-character screen, c, color column <- add column, 1 i <- add i, 1 loop } # print final '.' print-character screen, 46/full-stop, 245/grey column <- add column, 1 { # clear rest of current line line-done?:boolean <- greater-than column, right break-if line-done? print-character screen, 32/space column <- add column, 1 loop } row <- add row, 1 loop } reply row/same-as-ingredient:4, screen/same-as-ingredient:0 ] scenario run-updates-results [ $close-trace # trace too long assume-screen 100/width, 12/height # define a recipe (no indent for the 'add' line below so column numbers are more obvious) 1:address:array:character <- new [ recipe foo [ z:number <- add 2, 2 ]] # sandbox editor contains an instruction without storing outputs 2:address:array:character <- new [foo] 3:address:programming-environment-data <- new-programming-environment screen:address, 1:address:array:character, 2:address:array:character # run the code in the editors assume-console [ press F4 ] run [ event-loop screen:address, console:address, 3:address:programming-environment-data ] # check that screen prints the results screen-should-contain [ . run (F4) . . ┊ . .recipe foo [ ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━. .z:number <- add 2, 2 ┊ x. .] ┊foo . .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊4 . . ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━. . ┊ . ] # make a change (incrementing one of the args to 'add'), then rerun assume-console [ left-click 3, 28 # one past the value of the second arg press backspace type [3] press F4 ] run [ event-loop screen:address, console:address, 3:address:programming-environment-data ] # check that screen updates the result on the right screen-should-contain [ . run (F4) . . ┊ . .recipe foo [ ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━. .z:number <- add 2, 3 ┊ x. .] ┊foo . .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊5 . . ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━. . ┊ . ] ] scenario run-instruction-manages-screen-per-sandbox [ $close-trace # trace too long assume-screen 100/width, 20/height # left editor is empty 1:address:array:character <- new [] # right editor contains an instruction 2:address:array:character <- new [print-integer screen:address, 4] 3:address:programming-environment-data <- new-programming-environment screen:address, 1:address:array:character, 2:address:array:character # run the code in the editor assume-console [ press F4 ] run [ event-loop screen:address, console:address, 3:address:programming-environment-data ] # check that it prints a little toy screen screen-should-contain [ . run (F4) . . ┊ . .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━. . ┊ x. . ┊print-integer screen:address, 4 . . ┊screen: . . ┊ .4 . . . ┊ . . . . ┊ . . . . ┊ . . . . ┊ . . . . ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━. . ┊ . ] ] recipe editor-contents [ local-scope editor:address:editor-data <- next-ingredient buf:address:buffer <- new-buffer 80 curr:address:duplex-list <- get *editor, data:offset # skip § sentinel assert curr, [editor without data is illegal; must have at least a sentinel] curr <- next-duplex curr reply-unless curr, 0 { break-unless curr c:character <- get *curr, value:offset buffer-append buf, c curr <- next-duplex curr loop } result:address:array:character <- buffer-to-array buf reply result ] scenario editor-provides-edited-contents [ assume-screen 10/width, 5/height 1:address:array:character <- new [abc] 2:address:editor-data <- new-editor 1:address:array:character, screen:address, 0/left, 10/right assume-console [ left-click 1, 2 type [def] ] run [ editor-event-loop screen:address, console:address, 2:address:editor-data 3:address:array:character <- editor-contents 2:address:editor-data 4:array:character <- copy *3:address:array:character ] memory-should-contain [ 4:string <- [abdefc] ] ] </pre> </body> </html>