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The Trunk: System-mt.1454.mcz
by commits＠source.squeak.org 17 Apr '24

17 Apr '24

Marcel Taeumel uploaded a new version of System to project The Trunk: http://source.squeak.org/trunk/System-mt.1454.mcz ==================== Summary ==================== Name: System-mt.1454 Author: mt Time: 17 April 2024, 11:21:13.595706 am UUID: 5a4cbd93-f34a-5140-9d06-312754b6eb39 Ancestors: System-mt.1453 Complement FFI-Kernel-mt.232 (See PrimErrFFIMarshallingError and #ffiFail: in SqueakFFI plugin). =============== Diff against System-mt.1453 =============== 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. "Nil false and true get used throughout the VM" 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: BoxedFloat64. newArray at: 11 put: (self globals at: #Context). newArray at: 12 put: WideString. "Was 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) ifNil: [Semaphore new]). "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 ~~ 1 value 0 value: 1 do: 1 new 0 new: 1 x 0 y 0 ). newArray at: 25 put: nil. "Was an array of the 255 Characters in ascii order. This is nil in Spur, which has immediate Characters." 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" newArray at: 29 put: self compactClassesArray. newArray at: 30 put: ((self specialObjectsArray at: 30) ifNil: [Semaphore new]). "delay Semaphore" newArray at: 31 put: ((self specialObjectsArray at: 31) ifNil: [Semaphore new]). "user interrupt Semaphore" "Entries 32 - 34 unreferenced. Previously these contained prototype instances to be copied for fast initialization" newArray at: 32 put: DoubleByteArray. "was the prototype Float" newArray at: 33 put: WordArray. "was the prototype 4-byte LargePositiveInteger" newArray at: 34 put: DoubleWordArray. "was the prototype Point" newArray at: 35 put: #cannotInterpret:. newArray at: 36 put: nil. "was the prototype MethodContext" newArray at: 37 put: BlockClosure. newArray at: 38 put: (self at: #FullBlockClosure ifAbsent: []). "was the prototype BlockContext" "array of objects referred to by external code" newArray at: 39 put: (self specialObjectsArray at: 39). "external semaphores" newArray at: 40 put: nil. "Reserved for Mutex in Cog VMs" newArray at: 41 put: ((self specialObjectsArray at: 41) 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: 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: 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 moved' #'object not pinned' #'callback error'), { PrimitiveError new errorName: #'operating system error'; yourself. ExceptionInFFICallError new errorName: #'exception in FFI call'; yourself}, #( #'heap compaction needed' #'operation failed' + #'internal error' #'uninitialized'), + { PrimitiveError new errorName: #'FFI marshalling error'; yourself}. - #'internal error' #'uninitialized'). "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. "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 virtual machine's reference in one atomic operation" self specialObjectsArray becomeForward: newArray! Item was changed: + (PackageInfo named: 'System') postscript: 'SystemNavigation initializeAuthors. "Adds Leon Matthes (LM)" + Smalltalk recreateSpecialObjectsArray. "Adds ffi-marshalling-error to error table"'! - (PackageInfo named: 'System') postscript: '"In Process, threadId/threadAffinity have been around for a long time." - Smalltalk processHasThreadAffinityInstVar: true. - "Squeak 6.0 and above have #scaleFactor support in image." - Smalltalk upscaleDisplayOnHighDPI: false. - - SystemNavigation initializeAuthors. "Adds Leon Matthes (LM)"'!

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FFI: FFI-Kernel-mt.232.mcz
by commits＠source.squeak.org 17 Apr '24

17 Apr '24

Marcel Taeumel uploaded a new version of FFI-Kernel to project FFI: http://source.squeak.org/FFI/FFI-Kernel-mt.232.mcz ==================== Summary ==================== Name: FFI-Kernel-mt.232 Author: mt Time: 17 April 2024, 11:17:11.319706 am UUID: 7bf5313f-0238-2541-97d4-daeeadc57839 Ancestors: FFI-Kernel-mt.231 For communicating failed FFI callouts, add support for PrimitiveError and ExceptionInFFICallError. =============== Diff against FFI-Kernel-mt.231 =============== Item was changed: ----- Method: ExternalFunction class>>externalCallFailedWith: (in category 'error handling') ----- externalCallFailedWith: primErrorCode "Raise an error after a failed call to an external function. The primFailCode could be any of: - a symbol; one of the standard primitive errors defined in Smalltalk primitiveErrorTable - nil; the VM does not support primitive errors and is not providing error codes - an integer; one of the FFI codes incremented by Smalltalk primitiveErrorTable size + 2 + so as not to clash with the standard primitive errors + - an instance of PrimitiveError that encodes an FFI marshalling error + - an instance of PrimitiveError that encodes an FFI callout exception error." + + primErrorCode isExceptionInFFICallError ifTrue: + [^self error: primErrorCode errorName, ' (', primErrorCode pc asString, ')']. + primErrorCode isPrimitiveError ifTrue: + [^self error: primErrorCode errorName, ' (', (self errorMessageFor: primErrorCode errorCode), ')']. + - so as not to clash with the standard primitive errors." ^self error: (primErrorCode isInteger ifTrue: [self errorMessageFor: primErrorCode - (Smalltalk primitiveErrorTable size + 2)] ifFalse: [primErrorCode isNil ifTrue: ['Call to external function failed'] ifFalse: [primErrorCode]])! Item was added: + ----- Method: Object>>externalCallFailedWith: (in category '*FFI-Kernel') ----- + externalCallFailedWith: primErrorCode + + ^ ExternalFunction externalCallFailedWith: primErrorCode!

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FFI: FFI-Pools-mt.40.mcz
by commits＠source.squeak.org 17 Apr '24

17 Apr '24

Marcel Taeumel uploaded a new version of FFI-Pools to project FFI: http://source.squeak.org/FFI/FFI-Pools-mt.40.mcz ==================== Summary ==================== Name: FFI-Pools-mt.40 Author: mt Time: 17 April 2024, 11:14:11.267706 am UUID: cc8f5f16-1bea-8445-8e66-ba1b56b94e4b Ancestors: FFI-Pools-mt.39 Expose primitive 220 to let clients manage FFI exception handling. =============== Diff against FFI-Pools-mt.39 =============== Item was added: + ----- Method: FFIConstants class>>getFFIExceptionHandling (in category 'exception handling') ----- + getFFIExceptionHandling + <primitive: 220> "#primitiveGetSetFFIExceptionHandling" + ^ -1! Item was added: + ----- Method: FFIConstants class>>setFFIExceptionHandling: (in category 'exception handling') ----- + setFFIExceptionHandling: anInteger + "Set whether exceptions in FFI callouts should result in #primitiveFailed or + crash the VM. + -1 never fail (but crash) + 0 fail if method has a primitive error code (default) + 1 always fail" + <primitive: 220 error: ec> "#primitiveGetSetFFIExceptionHandling" + ec == #'bad argument' ifTrue: + [^self error: 'argument must be -1, 0, or 1']. + ec == #'unsupported operation' ifTrue: + [^self error: 'platform does not support FFI exception handling']. + self primitiveFailed.!

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FFI: FFI-Pools-mt.40.mcz
by commits＠source.squeak.org 17 Apr '24

17 Apr '24

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The Trunk: System-mt.1453.mcz
by commits＠source.squeak.org 17 Apr '24

17 Apr '24

Marcel Taeumel uploaded a new version of System to project The Trunk: http://source.squeak.org/trunk/System-mt.1453.mcz ==================== Summary ==================== Name: System-mt.1453 Author: mt Time: 17 April 2024, 10:43:17.752706 am UUID: d5ecd791-4890-e748-950c-809da8376186 Ancestors: System-mt.1452 For structured primitive errors, expose #errorName in its print-string to make the error table more readable (see index 52 in #specialObjectsArray). While ExceptionInFFICallError has both a custom name and an extra slot, you can use any custom instance of PrimitiveError to pass scoped error codes from failing primitives such as the existing #'operating system error' and its platform-specific error codes. However, you would need to reserve a new index in the error table and thus update the special-objects array. Therefore, custom VM plugins might want to choose an extra interface to communicate failed operations. For example, SqueakFFI uses #getLastError and #externalCallFailed to fabricate readable error messages. Not sure why we do it this way (see #ffiFail: in plugin code) ... the approach via PrimitiveError seems more elegant to me... and via PrimErrFFIMarshallingError there is even a way to use the new scheme. :-) =============== Diff against System-mt.1452 =============== Item was added: + ----- Method: PrimitiveError>>printOn: (in category 'printing') ----- + printOn: aStream + + self errorName + ifNil: [super printOn: aStream] + ifNotNil: [:nm | nm printOn: aStream].!

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The Trunk: System-mt.1453.mcz
by commits＠source.squeak.org 17 Apr '24

17 Apr '24

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The Trunk: Tools-eem.1250.mcz
by commits＠source.squeak.org 17 Apr '24

17 Apr '24

Eliot Miranda uploaded a new version of Tools to project The Trunk: http://source.squeak.org/trunk/Tools-eem.1250.mcz ==================== Summary ==================== Name: Tools-eem.1250 Author: eem Time: 16 April 2024, 10:16:10.120513 pm UUID: 51b04f56-0b7b-4505-8928-2571e6ecf553 Ancestors: Tools-ct.1249 Fix SavedMultiWindowState's class comment. Remove accessor for private inst var. =============== Diff against Tools-ct.1249 =============== Item was changed: Object subclass: #SavedMultiWindowState instanceVariableNames: 'models modelStates modelDependents currentModelIndex prototype' classVariableNames: '' poolDictionaries: '' category: 'Tools-Base'! + !SavedMultiWindowState commentStamp: 'eem 4/16/2024 14:42' prior: 0! + A SavedMultiWindowState is a collection of states of inactive windows for a multi-window tool ui where one can select between multiple copies of a tool sharing a single system window, each tool having its own state. It manages switching between windows, swapping unaccepted edit state (e.g. in text views) as it does so. - !SavedMultiWindowState commentStamp: 'eem 6/30/2010 15:45' prior: 0! - A SavedMultiWindowState is a collection of states of inactive windows for a multi-window tool ui where one can select between multiple copies of a tool sharing a single system window, each tol having its own state. It manages switching between windows, swapping unaccepted edit state (e.g. in text views) as it does so. Instance Variables + currentModelIndex: <Integer> + modelDependents: <IdentitySet> - currentModelIndex: <Integer> - modelDependents: <IdentitySet> modelStates: <OrderedCollection of: (Array + with: modelState <Object> + with: unacceptedEditStates <WeakIdentityKeyDictionary>) > + models: <OrderedCollection of: Model> + prototype: <Model> - with: modelState <Object> - with: unacceptedEditStates <WeakIdentityKeyDictionary>) > - models: <OrderedCollection of: Model> currentModelIndex - index into models and modelStates of current window selection modelDependents - set of all dependents modelStates - the pairs of model-specific selection state and widget-specfic unaccepted edit state for each unselected/inactive window models - the models for each window + + prototype + - a shallow copy of the initial tool/model, used to create new tools/models! - ! Item was removed: - ----- Method: SavedMultiWindowState>>currentModelIndex (in category 'accessing') ----- - currentModelIndex - ^currentModelIndex!

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The Trunk: Kernel-eem.1564.mcz
by commits＠source.squeak.org 11 Apr '24

11 Apr '24

Eliot Miranda uploaded a new version of Kernel to project The Trunk: http://source.squeak.org/trunk/Kernel-eem.1564.mcz ==================== Summary ==================== Name: Kernel-eem.1564 Author: eem Time: 11 April 2024, 2:41:49.284637 pm UUID: 5a2b7f22-ea54-4c08-9327-f74d76974a6d Ancestors: Kernel-cmm.1563 Fix a couple of speeling rorres in comments =============== Diff against Kernel-cmm.1563 =============== Item was changed: ----- Method: Context>>privRefresh (in category 'initialize-release') ----- privRefresh "Reinitialize the receiver so that it is in the state it was at its creation." closureOrNil ifNotNil: [closureOrNil isFullBlock ifTrue: [pc := method initialPC. self stackp: method numTemps. closureOrNil numArgs + closureOrNil numCopiedValues + 1 to: method numTemps do: [:i | self tempAt: i put: nil]] + ifFalse: "In non-full blocks temps are established by push bytecodes" - ifFalse: "In non-full blocks temps are established by push btecodes" [pc := closureOrNil startpc. self stackp: closureOrNil numArgs + closureOrNil numCopiedValues]. 1 to: closureOrNil numCopiedValues do: [:i | self tempAt: closureOrNil numArgs + i put: (closureOrNil at: i)]] ifNil: [pc := method initialPC. self stackp: method numTemps. method numArgs + 1 to: method numTemps do: [:i | self tempAt: i put: nil]]! Item was changed: ----- Method: InstructionStream>>willJump (in category 'testing') ----- willJump + "Answer whether the next bytecode is an unconditional jump." - "Answer whether the next bytecode is an uncoinditional jump." | method | method := self method. ^method encoderClass isJumpAt: pc in: method!

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The Trunk: System-mt.1452.mcz
by commits＠source.squeak.org 28 Mar '24

28 Mar '24

Marcel Taeumel uploaded a new version of System to project The Trunk: http://source.squeak.org/trunk/System-mt.1452.mcz ==================== Summary ==================== Name: System-mt.1452 Author: mt Time: 28 March 2024, 9:59:08.460064 am UUID: c4dd53f6-cf69-7b42-b554-f4e6320216cf Ancestors: System-cmm.1451 When using high-DPI screens, make enough room for the emergency evaluator. =============== Diff against System-cmm.1451 =============== Item was changed: ----- Method: Transcripter class>>emergencyEvaluator (in category 'utilities') ----- emergencyEvaluator + (Transcripter newInFrame: (0@0 corner: 320 px @ 200 px)) - (Transcripter newInFrame: (0@0 corner: 320@200)) show: 'Type ''revert'' to revert your last method change. Type ''exit'' to exit the emergency evaluator.'; readEvalPrint!

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The Trunk: ReleaseBuilder-mt.247.mcz
by commits＠source.squeak.org 26 Mar '24

26 Mar '24

Marcel Taeumel uploaded a new version of ReleaseBuilder to project The Trunk: http://source.squeak.org/trunk/ReleaseBuilder-mt.247.mcz ==================== Summary ==================== Name: ReleaseBuilder-mt.247 Author: mt Time: 26 March 2024, 10:15:40.484051 am UUID: 6b05e554-d6ae-1046-adab-318f230b240a Ancestors: ReleaseBuilder-mt.246 Fix comment. Both mt.247 and mt.246 complement Kernel-cmm.1562 =============== Diff against ReleaseBuilder-mt.246 =============== Item was changed: ----- Method: ReleaseBuilder class>>prepareProcesses (in category 'preparing') ----- prepareProcesses "Re-start running processes if necessary. Call this at late as possible in the release process. Only required to processes that are not reset at image #startUp." Delay startTimerEventLoop. + Smalltalk processPreemptionYields: false. "avoid accidental round-robin; make users' Morphic-related workspace scripts/code more robust if forked at UI priority"! - Smalltalk processPreemptionYields: false. "avoid accidental round-robin; make users' Morphic-related workspace scripts/code more robust if forked at lower priority"!

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