A new version of Environments was added to project The Inbox: http://source.squeak.org/inbox/Environments-cwp.42.mcz
==================== Summary ====================
Name: Environments-cwp.42 Author: cwp Time: 1 January 2014, 1:15:54.611 pm UUID: 7fd8f64b-fea3-4ab8-9dda-00142f2a3808 Ancestors: Environments-cwp.41
Rewrite import/export to be eager, rather than lazy. (step 2 of 3)
=============== Diff against Environments-cwp.41 ===============
Item was changed: ----- Method: Environment>>associationOrUndeclaredAt: (in category 'emulating') ----- associationOrUndeclaredAt: key + ^ bindings associationAt: key ifAbsent: - ^ references associationAt: key ifAbsent: [undeclared at: key put: nil. undeclared associationAt: key] !
Item was changed: ----- Method: Environment>>at:put: (in category 'emulating') ----- at: aSymbol put: anObject + ^ self bind: aSymbol to: anObject! - | binding | - (declarations includesKey: aSymbol) - ifTrue: [declarations at: aSymbol put: anObject] - ifFalse: - [(undeclared includesKey: aSymbol) - ifTrue: - [declarations declare: aSymbol from: undeclared. - declarations at: aSymbol put: anObject] - ifFalse: - [binding := aSymbol => anObject. - declarations add: binding. - exports bind: binding]]. - ^ anObject - !
Item was changed: ----- Method: Environment>>bindingOf:ifAbsent: (in category 'binding') ----- bindingOf: aSymbol ifAbsent: aBlock + ^ bindings bindingOf: aSymbol ifAbsent: + [undeclared bindingOf: aSymbol ifAbsent: aBlock]! - ^ references associationAt: aSymbol ifAbsent: - [(imports bindingOf: aSymbol) - ifNil: aBlock - ifNotNil: [:foreign | references add: (foreign asBinding: aSymbol)]]!
Item was changed: ----- Method: Environment>>export: (in category 'configuring') ----- export: spec + | policy | + policy := BindingPolicy + environment: self - exports := Export - namespace: public policy: (ExplicitNamePolicy spec: spec) + addSelector: #notifyObserversOfBindingAdded: + removeSelector: #notifyObserversOfBindingRemoved:. + policies := policies copyWith: policy! - next: exports. - self publicizeContents!
Item was changed: ----- Method: Environment>>exportAddingPrefix: (in category 'configuring') ----- exportAddingPrefix: aString + | policy | + policy := BindingPolicy + environment: self - exports := Export - namespace: public policy: (AddPrefixNamePolicy prefix: aString) + addSelector: #notifyObserversOfBindingAdded: + removeSelector: #notifyObserversOfBindingAdded:. + policies := policies copyWith: policy! - next: exports. - self publicizeContents!
Item was changed: ----- Method: Environment>>exportRemovingPrefix: (in category 'configuring') ----- exportRemovingPrefix: aString + | policy | + policy := BindingPolicy + environment: self - exports := Export - namespace: public policy: (RemovePrefixNamePolicy prefix: aString) + addSelector: #notifyObserversOfBindingAdded: + removeSelector: #notifyObserversOfBindingAdded:. + policies := policies copyWith: policy! - next: exports. - self publicizeContents.!
Item was changed: ----- Method: Environment>>exportSelf (in category 'configuring') ----- exportSelf + | policy | + policy := BindingPolicy + environment: self + policy: (AllNamePolicy new) + addSelector: #notifyObserversOfBindingAdded: + removeSelector: #notifyObserversOfBindingAdded:. + policies := policies copyWith: policy! - exports := Export namespace: public next: exports. - self publicizeContents.!
Item was changed: ----- Method: Environment>>forgetClass:logged: (in category 'classes and traits') ----- forgetClass: aClass logged: aBool + | binding | + self flag: #review. + aBool ifTrue: [SystemChangeNotifier uniqueInstance classRemoved: aClass fromCategory: aClass category]. + + binding := declarations bindingOf: aClass name. + binding ifNotNil: + [self organization removeElement: aClass name. + Smalltalk removeFromStartUpList: aClass. + Smalltalk removeFromShutDownList: aClass. - self organization removeElement: aClass name. - Smalltalk removeFromStartUpList: aClass. - Smalltalk removeFromShutDownList: aClass. + undeclared declare: aClass name from: declarations. + declarations removeKey: aClass name ifAbsent: []. + [undeclared at: aClass name put: nil] + on: AttemptToWriteReadOnlyGlobal + do: [:n | n resume: true]. + self binding: binding removedFrom: self] - undeclared declare: aClass name from: declarations. - - imports forgetName: aClass name. - exports forgetName: aClass name. - declarations removeKey: aClass name ifAbsent: []. - references removeKey: aClass name ifAbsent: []. - - [undeclared at: aClass name put: nil] - on: AttemptToWriteReadOnlyGlobal - do: [:n | n resume: true]. !
Item was changed: ----- Method: Environment>>from:import: (in category 'configuring') ----- from: anEnvironment import: spec + | policy | + policy := BindingPolicy + environment: anEnvironment - imports := Import - namespace: anEnvironment public policy: (ExplicitNamePolicy spec: spec) + addSelector: #showBinding: + removeSelector: #hideBinding:. + policies := policies copyWith: policy. + anEnvironment addObserver: self. + anEnvironment addAllBindings.! - next: imports. - !
Item was changed: ----- Method: Environment>>import: (in category 'configuring') ----- import: anEnvironment + | policy | + policy := BindingPolicy + environment: anEnvironment + policy: AllNamePolicy new + addSelector: #showBinding: + removeSelector: #hideBinding:. + policies := policies copyWith: policy. + anEnvironment addObserver: self. + anEnvironment addAllBindings.! - imports := Import namespace: anEnvironment public next: imports. - self rebindUndeclared!
Item was changed: ----- Method: Environment>>import:addingPrefix: (in category 'configuring') ----- import: anEnvironment addingPrefix: aString + + | import | + import := BindingPolicy + environment: anEnvironment + policy: (AddPrefixNamePolicy prefix: aString) + addSelector: #showBinding: + removeSelector: #hideBinding:. + policies := policies copyWith: import. + anEnvironment addObserver: self. + anEnvironment addAllBindings.! - "This implementation is slightly counter-intuitive. The local name has a prefix, - so we have to remove it before doing the look up in the other environment." - - imports := Import - namespace: anEnvironment public - policy: (RemovePrefixNamePolicy prefix: aString) - next: imports. - self rebindUndeclared.!
Item was changed: ----- Method: Environment>>import:removingPrefix: (in category 'configuring') ----- import: anEnvironment removingPrefix: aString - "This implementation is slightly counter-intuitive. The local name doesn't have a - prefix, so we have to add one when look it up in the other environment." + | import | + import := BindingPolicy + environment: anEnvironment + policy: (RemovePrefixNamePolicy prefix: aString) + addSelector: #showBinding: + removeSelector: #hideBinding:. + policies := policies copyWith: import. + anEnvironment addObserver: self. + anEnvironment addAllBindings.! - imports := Import - namespace: anEnvironment public - policy: (AddPrefixNamePolicy prefix: aString) - next: imports. - self rebindUndeclared.!
Item was changed: ----- Method: Environment>>importSelf (in category 'configuring') ----- importSelf + | policy | + policy := BindingPolicy + environment: self + policy: AllNamePolicy new + addSelector: #showBinding: + removeSelector: #hideBinding:. + policies := policies copyWith: policy. + + declarations associationsDo: + [:ea | (bindings includesKey: ea key) ifFalse: + [bindings add: ea]]! - imports := Import namespace: declarations next: imports. - self rebindUndeclared!
Item was changed: ----- Method: Environment>>initialize (in category 'initialize-release') ----- initialize - references := IdentityDictionary new. declarations := IdentityDictionary new. + bindings := IdentityDictionary new. - public := IdentityDictionary new. undeclared := IdentityDictionary new. + policies := Array new. + observers := IdentitySet new.! - imports := Import null. - exports := Export null. - self importSelf.!
Item was changed: ----- Method: Environment>>recompileAll (in category 'operations') ----- recompileAll - references removeAll. self allClassesAndTraits do: [:classOrTrait | classOrTrait compileAll] displayingProgress:[:classOrTrait| 'Recompiling ', classOrTrait]
!
Item was changed: ----- Method: Environment>>removeKey:ifAbsent: (in category 'emulating') ----- + removeKey: aSymbol ifAbsent: aBlock + | binding | - removeKey: key ifAbsent: aBlock self flag: #review. + + (declarations includesKey: aSymbol) ifFalse: [^aBlock value]. + binding := (declarations associationAt: aSymbol). + declarations removeKey: aSymbol. + self + binding: binding + removedFrom: self. + ^ binding value! - ^ declarations removeKey: key ifAbsent: aBlock!
Item was changed: ----- Method: Environment>>renameClass:from:to: (in category 'classes and traits') ----- renameClass: aClass from: oldName to: newName "Rename the class, aClass, to have the title newName."
| binding category | - binding := declarations associationAt: oldName. category := self organization categoryOfElement: oldName. self organization classify: newName under: category suppressIfDefault: true. self organization removeElement: oldName. + + binding := self associationAt: oldName. + declarations removeKey: oldName. + self binding: binding removedFrom: self. + + binding key: newName. + declarations add: binding. + self binding: binding addedTo: self. + - self - remove: binding - from: declarations - readdAfter: [ - self - remove: binding - from: references - readdAfter: [ - self - remove: binding - from: public - readdAfter: [ - binding key: newName ] ] ]. Smalltalk renamedClass: aClass from: oldName to: newName. SystemChangeNotifier uniqueInstance classRenamed: aClass from: oldName to: newName inCategory: category!
Item was changed: ----- Method: Environment>>valueOf:ifAbsent: (in category 'binding') ----- valueOf: aSymbol ifAbsent: aBlock + ^ (self bindingOf: aSymbol ifAbsent: [^ aBlock value]) value! - ^ references at: aSymbol ifAbsent: aBlock!
Item was removed: - (PackageInfo named: 'Environments') postscript: '"below, add code to be run after the loading of this package" - - Smalltalk globals migrate. - '!