Packages July 2014

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The Trunk: Morphic-cmm.738.mcz
by commits＠source.squeak.org 31 Jul '14

31 Jul '14

Chris Muller uploaded a new version of Morphic to project The Trunk: http://source.squeak.org/trunk/Morphic-cmm.738.mcz ==================== Summary ==================== Name: Morphic-cmm.738 Author: cmm Time: 31 July 2014, 2:57:31.153 pm UUID: dd95da2f-79b1-4a84-8b6b-064fd3c73d4e Ancestors: Morphic-cmm.730 No change, just the version number so update will pick it off the top. =============== Diff against Morphic-cmm.730 ===============

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The Trunk: Morphic-cmm.738.mcz
by commits＠source.squeak.org 31 Jul '14

31 Jul '14

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The Trunk: Morphic-cmm.738.mcz
by commits＠source.squeak.org 31 Jul '14

31 Jul '14

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The Trunk: Morphic-cmm.730.mcz
by commits＠source.squeak.org 31 Jul '14

31 Jul '14

Chris Muller uploaded a new version of Morphic to project The Trunk: http://source.squeak.org/trunk/Morphic-cmm.730.mcz ==================== Summary ==================== Name: Morphic-cmm.730 Author: cmm Time: 31 July 2014, 1:54:13.695 pm UUID: 51d16b4a-f89e-4a51-9a6a-5647a4cde024 Ancestors: Morphic-kfr.729 There are some issues with recent Morphic packages: - 730 is missing its log message and from trunk. - 731 is entirely missing from trunk repository and inbox. It was moved to treated after flash discussion it should not be in trunk ancestry. - 732 is an empty mcz. - 733 broke color rendering in multi-select lists. I've loaded back to Morphic-kfr.729 and merged the changes from 736-737, but not 730-733 because of the problems. =============== Diff against Morphic-kfr.729 =============== Item was changed: ----- Method: MorphicProject class>>compileNewDefaultBackgroundFrom: (in category 'utilities') ----- compileNewDefaultBackgroundFrom: aForm "Compile a new #defaultBackgroundForm method in this class-side which uses aForm as the background." + | formStream base64 | + formStream := ByteArray new writeStream. - | formStream base64Stream | - formStream := RWBinaryOrTextStream on: ByteArray new. PNGReadWriter putForm: aForm onStream: formStream. + base64 := formStream base64Encoded. - base64Stream := Base64MimeConverter mimeEncode: formStream. self class compile: (String streamContents: [ : stream | stream nextPutAll: 'defaultBackgroundForm ^ Form fromBinaryStream: ' ; nextPut: $' ; + nextPutAll: base64 ; - nextPutAll: base64Stream contents ; nextPut: $' ; nextPutAll: ' base64Decoded asByteArray readStream' ]) classified: 'class initialization'! Item was changed: ----- Method: TextEditor>>selectionAsStream (in category 'accessing-selection') ----- selectionAsStream "Answer a ReadStream on the text in the paragraph that is currently selected." + ^ReadStream - ^ReadWriteStream on: paragraph string from: self startIndex to: self stopIndex - 1!

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The Trunk: Morphic-cmm.730.mcz
by commits＠source.squeak.org 31 Jul '14

31 Jul '14

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The Trunk: Morphic-cmm.730.mcz
by commits＠source.squeak.org 31 Jul '14

31 Jul '14

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The Trunk: Tools-eem.526.mcz
by commits＠source.squeak.org 31 Jul '14

31 Jul '14

Eliot Miranda uploaded a new version of Tools to project The Trunk: http://source.squeak.org/trunk/Tools-eem.526.mcz ==================== Summary ==================== Name: Tools-eem.526 Author: eem Time: 30 July 2014, 7:46:31.551 pm UUID: 458dab1f-dc91-4197-88d2-076aa9c7317b Ancestors: Tools-eem.525 Allow extending selection via shift in ChangeList>>selectMethodsForThisClass. Allow a class to specify its own integer base preference in the inspector and debugger. =============== Diff against Tools-eem.525 =============== Item was changed: ----- Method: ChangeList>>selectMethodsForThisClass (in category 'menu actions') ----- selectMethodsForThisClass - | name | self currentChange ifNil: [ ^self ]. + self currentChange methodClassName ifNotNil: + [:name| + self selectSuchThat: + (Sensor leftShiftDown + ifTrue: [[:change :index| (listSelections at: index) or: [change methodClassName = name]]] + ifFalse: [[:change| change methodClassName = name]])]! - name := self currentChange methodClassName. - name ifNil: [ ^self ]. - ^self selectSuchThat: [ :change | - change methodClassName = name ].! Item was changed: ----- Method: ChangeList>>selectSuchThat: (in category 'menu actions') ----- selectSuchThat: aBlock "select all changes for which block returns true" + listSelections := aBlock numArgs = 2 + ifTrue: [changeList withIndexCollect: aBlock] + ifFalse: [changeList collect: aBlock]. - listSelections := changeList collect: aBlock. self changed: #allSelections! Item was added: + ----- Method: ContextVariablesInspector>>defaultIntegerBase (in category 'selecting') ----- + defaultIntegerBase + "Answer the default base in which to print integers. + Defer to the class the code is compiled in." + ^[object method methodClass defaultIntegerBaseInDebugger] + on: MessageNotUnderstood + do: [:ex| 10]! Item was added: + ----- Method: Inspector>>defaultIntegerBase (in category 'selecting') ----- + defaultIntegerBase + "Answer the default base in which to print integers. + Defer to the class of the instance." + ^[object class defaultIntegerBaseInDebugger] + on: MessageNotUnderstood + do: [:ex| 10]! Item was changed: ----- Method: Inspector>>selectionPrintString (in category 'selecting') ----- selectionPrintString | text | + selectionUpdateTime := [text := [self selection isInteger + ifTrue: [self selection storeStringBase: self defaultIntegerBase] + ifFalse: [self selection printStringLimitedTo: 5000]] - selectionUpdateTime := [text := [(self selection printStringLimitedTo: 5000) asText] on: Error do: [text := self printStringErrorText. text addAttribute: TextColor red from: 1 to: text size. text]] timeToRun. ^ text!

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The Trunk: Tools-eem.526.mcz
by commits＠source.squeak.org 31 Jul '14

31 Jul '14

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The Trunk: Tools-eem.526.mcz
by commits＠source.squeak.org 31 Jul '14

31 Jul '14

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The Trunk: System.spur-nice.683.mcz
by commits＠source.squeak.org 29 Jul '14

29 Jul '14

Eliot Miranda uploaded a new version of System to project The Trunk: http://source.squeak.org/trunk/System.spur-nice.683.mcz ==================== Summary ==================== Name: System.spur-nice.683 Author: eem Time: 28 July 2014, 6:39:35.755 pm UUID: 0f85d25b-4cdb-453a-adfa-8f97bbb1436b Ancestors: System-nice.683 System-nice.683 patched for Spur by SpurBootstrapMonticelloPackagePatcher Cog-eem.174 Let a WriteStream be smart by moving the capability to fileOutClass:andObject: up from ReadWriteStream. Note: I really don't believe that any of these messages belongs to a Stream hierarchy. But disentangling the stream mess means loosen more than one knot, and I don't want the operation to look like conjuring, we need a careful trace for understanding, dissecting and reverting the potentially lost features, so one change at a time. =============== Diff against System-nice.683 =============== Item was changed: ----- Method: SmalltalkImage>>compactClassesArray (in category 'special objects') ----- compactClassesArray "Smalltalk compactClassesArray" + "Backward-compatibility support. Spur does not have compact classes." + ^{}! - "Return the array of 31 classes whose instances may be - represented compactly" - ^ self specialObjectsArray at: 29! Item was added: + ----- Method: SmalltalkImage>>growMemoryByAtLeast: (in category 'as yet unclassified') ----- + growMemoryByAtLeast: numBytes + "Grow memory by at least the requested number of bytes. + Primitive. Essential. Fail if no memory is available." + <primitive: 180> + (numBytes isInteger and: [numBytes > 0]) ifTrue: + [OutOfMemory signal]. + ^self primitiveFailed! Item was added: + ----- Method: SmalltalkImage>>maxIdentityHash (in category 'as yet unclassified') ----- + maxIdentityHash + "Answer the maximum identityHash value supported by the VM." + <primitive: 176> + ^self primitiveFailed! Item was changed: ----- Method: SmalltalkImage>>recreateSpecialObjectsArray (in category 'special objects') ----- recreateSpecialObjectsArray "Smalltalk recreateSpecialObjectsArray" "To external package developers: **** DO NOT OVERRIDE THIS METHOD. ***** If you are writing a plugin and need additional special object(s) for your own use, use addGCRoot() function and use own, separate special objects registry " "The Special Objects Array is an array of objects used by the Squeak virtual machine. Its contents are critical and accesses to it by the VM are unchecked, so don't even think of playing here unless you know what you are doing." | newArray | + newArray := Array new: 60. - newArray := Array new: 58. "Nil false and true get used throughout the interpreter" newArray at: 1 put: nil. newArray at: 2 put: false. newArray at: 3 put: true. "This association holds the active process (a ProcessScheduler)" newArray at: 4 put: (self specialObjectsArray at: 4) "(self bindingOf: #Processor) but it answers an Alias". "Numerous classes below used for type checking and instantiation" newArray at: 5 put: Bitmap. newArray at: 6 put: SmallInteger. newArray at: 7 put: ByteString. newArray at: 8 put: Array. newArray at: 9 put: Smalltalk. newArray at: 10 put: Float. newArray at: 11 put: MethodContext. newArray at: 12 put: BlockContext. newArray at: 13 put: Point. newArray at: 14 put: LargePositiveInteger. newArray at: 15 put: Display. newArray at: 16 put: Message. newArray at: 17 put: CompiledMethod. + newArray at: 18 put: (self specialObjectsArray at: 18). "(low space Semaphore)" - newArray at: 18 put: (self specialObjectsArray at: 18). - "(low space Semaphore)" newArray at: 19 put: Semaphore. newArray at: 20 put: Character. newArray at: 21 put: #doesNotUnderstand:. newArray at: 22 put: #cannotReturn:. newArray at: 23 put: nil. "This is the process signalling low space." "An array of the 32 selectors that are compiled as special bytecodes, paired alternately with the number of arguments each takes." newArray at: 24 put: #( #+ 1 #- 1 #< 1 #> 1 #<= 1 #>= 1 #= 1 #~= 1 #* 1 #/ 1 #\\ 1 #@ 1 #bitShift: 1 #// 1 #bitAnd: 1 #bitOr: 1 #at: 1 #at:put: 2 #size 0 #next 0 #nextPut: 1 #atEnd 0 #== 1 #class 0 #blockCopy: 1 #value 0 #value: 1 #do: 1 #new 0 #new: 1 #x 0 #y 0 ). "An array of the 255 Characters in ascii order. + Cog inlines table into machine code at: prim so do not regenerate it. + This is nil in Spur, which has immediate Characters." - Cog inlines table into machine code at: prim so do not regenerate it." newArray at: 25 put: (self specialObjectsArray at: 25). newArray at: 26 put: #mustBeBoolean. newArray at: 27 put: ByteArray. newArray at: 28 put: Process. + "An array of up to 31 classes whose instances will have compact headers; an empty array in Spur" - "An array of up to 31 classes whose instances will have compact headers" newArray at: 29 put: self compactClassesArray. newArray at: 30 put: (self specialObjectsArray at: 30). "(delay Semaphore)" newArray at: 31 put: (self specialObjectsArray at: 31). "(user interrupt Semaphore)" "Entries 32 - 34 unreferenced. Previously these contained prototype instances to be copied for fast initialization" + newArray at: 32 put: nil. "was the prototype Float" + newArray at: 33 put: nil. "was the prototype 4-byte LargePositiveInteger" + newArray at: 34 put: nil. "was the prototype Point" - newArray at: 32 put: nil. "was (Float new: 2)" - newArray at: 33 put: nil. "was (LargePositiveInteger new: 4)" - newArray at: 34 put: nil. "was Point new" newArray at: 35 put: #cannotInterpret:. + newArray at: 36 put: nil. "was the prototype MethodContext" - "Note: This must be fixed once we start using context prototypes (yeah, right)" - "(MethodContext new: CompiledMethod fullFrameSize)." - newArray at: 36 put: (self specialObjectsArray at: 36). "Is the prototype MethodContext (unused by the VM)" newArray at: 37 put: BlockClosure. + newArray at: 38 put: nil. "was the prototype BlockContext" - "(BlockContext new: CompiledMethod fullFrameSize)." - newArray at: 38 put: (self specialObjectsArray at: 38). "Is the prototype BlockContext (unused by the VM)" "array of objects referred to by external code" + newArray at: 39 put: (self specialObjectsArray at: 39). "external semaphores" - newArray at: 39 put: (self specialObjectsArray at: 39). "preserve external semaphores" newArray at: 40 put: nil. "Reserved for Mutex in Cog VMs" + newArray at: 41 put: ((self specialObjectsArray at: 39) ifNil: [LinkedList new]). "Reserved for a LinkedList instance for overlapped calls in CogMT" + newArray at: 42 put: ((self specialObjectsArray at: 42) ifNil: [Semaphore new]). "finalization Semaphore" - newArray at: 41 put: nil. "Reserved for a LinkedList instance for overlapped calls in CogMT" - "finalization Semaphore" - newArray at: 42 put: ((self specialObjectsArray at: 42) ifNil: [Semaphore new]). newArray at: 43 put: LargeNegativeInteger. "External objects for callout. Note: Written so that one can actually completely remove the FFI." newArray at: 44 put: (self at: #ExternalAddress ifAbsent: []). newArray at: 45 put: (self at: #ExternalStructure ifAbsent: []). newArray at: 46 put: (self at: #ExternalData ifAbsent: []). newArray at: 47 put: (self at: #ExternalFunction ifAbsent: []). newArray at: 48 put: (self at: #ExternalLibrary ifAbsent: []). newArray at: 49 put: #aboutToReturn:through:. newArray at: 50 put: #run:with:in:. "51 reserved for immutability message" + newArray at: 51 put: #attemptToAssign:withIndex:. - "newArray at: 51 put: #attemptToAssign:withIndex:." - newArray at: 51 put: (self specialObjectsArray at: 51 ifAbsent: []). newArray at: 52 put: #(nil "nil => generic error" #'bad receiver' #'bad argument' #'bad index' #'bad number of arguments' #'inappropriate operation' #'unsupported operation' #'no modification' #'insufficient object memory' #'insufficient C memory' #'not found' #'bad method' #'internal error in named primitive machinery' #'object may move' #'resource limit exceeded' + #'object is pinned' #'primitive write beyond end of object'). - #'object is pinned'). "53 to 55 are for Alien" newArray at: 53 put: (self at: #Alien ifAbsent: []). newArray at: 54 put: #invokeCallbackContext::. "use invokeCallback:stack:registers:jmpbuf: for old Alien callbacks." newArray at: 55 put: (self at: #UnsafeAlien ifAbsent: []). + "Used to be WeakFinalizationList for WeakFinalizationList hasNewFinalization, obsoleted by ephemeron support." + newArray at: 56 put: nil. - "Weak reference finalization" - newArray at: 56 put: (self at: #WeakFinalizationList ifAbsent: []). "reserved for foreign callback process" newArray at: 57 put: (self specialObjectsArray at: 57 ifAbsent: []). newArray at: 58 put: #unusedBytecode. + "59 reserved for Sista counter tripped message" + newArray at: 59 put: #conditionalBranchCounterTrippedOn:. + "60 reserved for Sista class trap message" + newArray at: 60 put: #classTrapFor:. "Now replace the interpreter's reference in one atomic operation" + self specialObjectsArray becomeForward: newArray! - self specialObjectsArray becomeForward: newArray - ! Item was changed: ----- Method: SmalltalkImage>>setGCParameters (in category 'snapshot and quit') ----- setGCParameters + "Adjust the VM's default GC parameters to avoid too much tenuring. + Maybe this should be left to the VM?" - "Adjust the VM's default GC parameters to avoid premature tenuring." + | proportion edenSize survivorSize averageObjectSize numObjects | + proportion := 0.9. "tenure when 90% of pastSpace is full" + edenSize := SmalltalkImage current vmParameterAt: 44. + survivorSize := edenSize / 5.0. "David's paper uses 140Kb eden + 2 x 28kb survivor spaces; Spur uses the same ratios :-)" + averageObjectSize := 8 * self wordSize. "a good approximation" + numObjects := (proportion * survivorSize / averageObjectSize) rounded. + SmalltalkImage current vmParameterAt: 6 put: numObjects "tenure when more than this many objects survive the GC"! - self vmParameterAt: 5 put: 4000. "do an incremental GC after this many allocations" - self vmParameterAt: 6 put: 2000. "tenure when more than this many objects survive the GC" - ! Item was changed: ----- Method: SpaceTally>>spaceForInstancesOf: (in category 'instance size') ----- spaceForInstancesOf: aClass + "Answer a pair of the number of bytes consumed by all instances of the + given class, including their object headers, and the number of instances." - "Answer the number of bytes consumed by all instances of the given class, including their object headers and the number of instances." + | instances total | + instances := aClass allInstances. + instances isEmpty ifTrue: [^#(0 0)]. - | smallHeaderSize instVarBytes isVariable bytesPerElement total lastInstance instance instanceCount | - instance := aClass someInstance ifNil: [ ^#(0 0) ]. - smallHeaderSize := aClass isCompact ifTrue: [ 4 ] ifFalse: [ 8 ]. - instVarBytes := aClass instSize * 4. - isVariable := aClass isVariable. - bytesPerElement := isVariable - ifFalse: [ 0 ] - ifTrue: [ aClass isBytes ifTrue: [ 1 ] ifFalse: [ 4 ] ]. total := 0. + aClass isVariable + ifTrue: + [instances do: + [:i| total := total + (aClass byteSizeOfInstanceOfSize: i basicSize)]] + ifFalse: + [total := instances size * aClass byteSizeOfInstance]. + ^{ total. instances size }! - instanceCount := 0. - "A modified version of #allInstancesDo: is inlined here. It avoids an infinite loop when another process is creating new instances of aClass." - self flag: #allInstancesDo:. - lastInstance := - aClass == CompiledMethod "CompiledMethod has special format, see its class comment" - ifTrue: [aClass new] - ifFalse: [aClass basicNew]. - [ instance == lastInstance ] whileFalse: [ - | contentBytes headerBytes | - contentBytes := instVarBytes + (isVariable - ifFalse: [ 0 ] - ifTrue: [ instance basicSize * bytesPerElement ]). - headerBytes := contentBytes > 255 - ifTrue: [ 12 ] - ifFalse: [ smallHeaderSize ]. - total := total + headerBytes + (contentBytes roundUpTo: 4). - instanceCount := instanceCount + 1. - instance := instance nextInstance ]. - ^{ total. instanceCount }! Item was added: + ----- Method: SystemDictionary>>growMemoryByAtLeast: (in category 'as yet unclassified') ----- + growMemoryByAtLeast: numBytes + "Grow memory by at least the requested number of bytes. + Primitive. Fail if no memory is available. Essential." + <primitive: 180> + ^(numBytes isInteger and: [numBytes > 0]) + ifTrue: [OutOfMemory signal] + ifFalse: [self primitiveFailed]! Item was added: + ----- Method: SystemDictionary>>maxIdentityHash (in category 'as yet unclassified') ----- + maxIdentityHash + "Answer the maximum identityHash value supported by the VM." + <primitive: 176> + ^self primitiveFailed! Item was added: + ----- Method: SystemDictionary>>setGCParameters (in category 'as yet unclassified') ----- + setGCParameters + "Adjust the VM's default GC parameters to avoid too much tenuring. + Maybe this should be left to the VM?" + + | proportion edenSize survivorSize averageObjectSize numObjects | + proportion := 0.9. "tenure when 90% of pastSpace is full" + edenSize := SmalltalkImage current vmParameterAt: 44. + survivorSize := edenSize / 5.0. "David's paper uses 140Kb eden + 2 x 28kb survivor spaces; Spur uses the same ratios :-)" + averageObjectSize := 8 * self wordSize. "a good approximation" + numObjects := (proportion * survivorSize / averageObjectSize) rounded. + SmalltalkImage current vmParameterAt: 6 put: numObjects "tenure when more than this many objects survive the GC"! Item was added: + ----- Method: SystemNavigation>>allObjects (in category 'as yet unclassified') ----- + allObjects + "Answer an Array of all objects in the system. Fail if + there isn't enough memory to instantiate the result." + <primitive: 178> + ^self primitiveFailed! Item was changed: ----- Method: SystemNavigation>>allObjectsDo: (in category 'query') ----- allObjectsDo: aBlock + "Evaluate the argument, aBlock, for each object in the system, excluding immediates + such as SmallInteger and Character." + self allObjectsOrNil + ifNotNil: [:allObjects| allObjects do: aBlock] + ifNil: + ["Fall back on the old single object primitive code. With closures, this needs + to use an end marker (lastObject) since activation of the block will create + new contexts and cause an infinite loop. The lastObject must be created + before calling someObject, so that the VM can settle the enumeration (e.g. + by flushing new space) as a side effect of someObject" + | object lastObject | + lastObject := Object new. + object := self someObject. + [lastObject == object or: [0 == object]] whileFalse: + [aBlock value: object. + object := object nextObject]]! - "Evaluate the argument, aBlock, for each object in the system - excluding SmallIntegers. With closures, this needs to use an end - marker (lastObject) since activation of the block will create new - contexts and cause an infinite loop." - | object lastObject | - object := self someObject. - lastObject := Object new. - [lastObject == object or: [0 == object]] - whileFalse: [aBlock value: object. - object := object nextObject]! Item was added: + ----- Method: SystemNavigation>>allObjectsOrNil (in category 'as yet unclassified') ----- + allObjectsOrNil + "Answer an Array of all objects in the system. Fail if there isn't + enough memory to instantiate the result and answer nil." + <primitive: 178> + ^nil!

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Packages July 2014