No cool pictures, but I’ve enhanced and exposed the global reader\/writer understanding of javascript code.\u00a0 In other words, pecobro now does a passable job at telling you what global variables a given javascript file reads from\/writes to, and who else writes to\/reads from those variables.\u00a0 False negatives are expected (don’t rely on things to be exhaustive), and false positives are quite conceivable.<\/p>\n
As an example starting point, take a look at messageWindow.js’s global reads<\/a> or global writes<\/a>.\u00a0 From either of these you can click on other files in the sidebar to go to them.\u00a0 There is no execution trace, so the overview diagram won’t be any help.\u00a0 Be sure you have some free memory available and won’t try and hurt me if Firefox does something crazy.\u00a0 Note: for long documents, some delay is expected as it attempts to apply various fix-ups.\u00a0 Also note: clicking on things in the global reads\/global writes tab won’t get you anywhere for now.<\/p>\n A quick example of a global read from that file (and who writes to that global):<\/p>\n gDBView<\/strong><\/p>\n A quick example of a global write from that file (and who reads from that global):<\/p>\n SelectFolder<\/strong><\/p>\n The code, as always, is available at http:\/\/hg.mozilla.org\/users\/bugmail_asutherland.org\/pecobro\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":" No cool pictures, but I’ve enhanced and exposed the global reader\/writer understanding of javascript code.\u00a0 In other words, pecobro now does a passable job at telling you what global variables a given javascript file reads from\/writes to, and who else … Continue reading \n
\n
![global reads<\/a> or](\"http:\/\/clicky.visophyte.org\/examples\/pecobro\/20080520-01\/index.xml#file=messageWindow_js.xml|overview=overview.svg|mtab=2\"){kind=link}
![global writes<\/a>.\u00a0 From either of these you can click on other files in the sidebar to go to them.\u00a0 There is no execution trace, so the overview diagram won’t be any help.\u00a0 Be sure you have some free memory available and won’t try and hurt me if Firefox does something crazy.\u00a0 Note: for long documents, some delay is expected as it attempts to apply various fix-ups.\u00a0 Also note: clicking on things in the global reads\/global writes tab won’t get you anywhere for now.<\/p>\nA quick example of a global read from that file (and who writes to that global):<\/p>\ngDBView<\/strong><\/p>\n\nTop Level: commandglue.js<\/li>\nFunction: ClearThreadPane (in commandglue.js)<\/li>\nFunction: CreateBareDBView (in commandglue.js)<\/li>\nFunction: RerootFolder (in commandglue.js)<\/li>\nFunction: SwitchView (in commandglue.js)<\/li>\nFunction: openFolderTab (in mailWindowOverlay.js)<\/li>\nFunction: setMailTabState (in mailWindowOverlay.js)<\/li>\nFunction: restorePreSearchView (in searchBar.js)<\/li>\nFunction: MsgGroupBySort (in threadPane.js)<\/li>\n<\/ul>\nA quick example of a global write from that file (and who reads from that global):<\/p>\nSelectFolder<\/strong><\/p>\n\nFunction: OpenMessageByHeader (in mailContextMenus.js)<\/li>\nFunction: OpenInboxForServer (in mailWindow.js)<\/li>\nFunction: selectFolder (in mailWindow.js)<\/li>\nFunction: openFolderTab (in mailWindowOverlay.js)<\/li>\nFunction: LoadNavigatedToMessage (in messageWindow.js)<\/li>\nFunction: LoadNavigatedToMessage (in msgMail3PaneWindow.js)<\/li>\nFunction: OnLocationTreeSelect (in msgMail3PaneWindow.js)<\/li>\nFunction: SelectServer (in msgMail3PaneWindow.js)<\/li>\nFunction: loadStartFolder (in msgMail3PaneWindow.js)<\/li>\nFunction: RenameFolder (in widgetglue.js)<\/li>\nFunction: loadInboxForNewAccount (in accountUtils.js)<\/li>\nFunction: DropOnFolderTree (in messengerdnd.js)<\/li>\nFunction: CrossFolderNavigation (in msgViewNavigation.js)<\/li>\n<\/ul>\nThe code, as always, is available at http:\/\/hg.mozilla.org\/users\/bugmail_asutherland.org\/pecobro\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"No cool pictures, but I’ve enhanced and exposed the global reader\/writer understanding of javascript code.\u00a0 In other words, pecobro now does a passable job at telling you what global variables a given javascript file reads from\/writes to, and who else … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[7,8,6],"tags":[26],"class_list":["post-104","post","type-post","status-publish","format-standard","hentry","category-debugging","category-program-execution","category-thunderbird","tag-pecobro"],"_links":{"self":[{"href":"https:\/\/www.visophyte.org\/blog\/wp-json\/wp\/v2\/posts\/104","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.visophyte.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.visophyte.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.visophyte.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.visophyte.org\/blog\/wp-json\/wp\/v2\/comments?post=104"}],"version-history":[{"count":1,"href":"https:\/\/www.visophyte.org\/blog\/wp-json\/wp\/v2\/posts\/104\/revisions"}],"predecessor-version":[{"id":176,"href":"https:\/\/www.visophyte.org\/blog\/wp-json\/wp\/v2\/posts\/104\/revisions\/176"}],"wp:attachment":[{"href":"https:\/\/www.visophyte.org\/blog\/wp-json\/wp\/v2\/media?parent=104"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.visophyte.org\/blog\/wp-json\/wp\/v2\/categories?post=104"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.visophyte.org\/blog\/wp-json\/wp\/v2\/tags?post=104"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}](\"http:\/\/clicky.visophyte.org\/examples\/pecobro\/20080520-01\/index.xml#file=messageWindow_js.xml|overview=overview.svg|mtab=3\"){kind=link}