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The Trunk: Regex-Core-ct.89.mcz
by commits＠source.squeak.org 01 May '24

01 May '24

Christoph Thiede uploaded a new version of Regex-Core to project The Trunk: http://source.squeak.org/trunk/Regex-Core-ct.89.mcz ==================== Summary ==================== Name: Regex-Core-ct.89 Author: ct Time: 1 May 2024, 6:10:49.419117 pm UUID: d2c4145b-80ff-4c4f-baa6-7fcd9f929a42 Ancestors: Regex-Core-ct.87 Fixes and documents order of keyed subexpressions to be top-down and left-to-right (complements Regex-Tests-Core-ct.36). Documents index offset in positional #subexpression: and #subexpressions:. =============== Diff against Regex-Core-ct.87 =============== Item was changed: ----- Method: RxMatcher>>keyedSubexpressionRanges: (in category 'accessing') ----- keyedSubexpressionRanges: key + "Answer an array of all match ranges (inclusiveStart -> inclusiveStop) of the subexpression at the given key. If a key is defined in multiple groups, sort ranges top-down and left-to-right." - "Answer an array of all match ranges (inclusiveStart -> inclusiveStop) of the subexpression at the given key." ^ ((keyedMarkerPositions at: key) gather: [:pair | (markerPositions at: pair first) with: (markerPositions at: pair second) collect: [:start :stop | start + 1 to: stop]]) "Since the same key can be defined for multiple markers, ordering the matches is non-trivial." + reverse sort: [:range | range start] ascending! - sort: [:range | range stop] ascending! Item was changed: ----- Method: RxMatcher>>subexpression: (in category 'accessing') ----- subexpression: subIndex "Answer a string that matched the subexpression at the given index. If there are multiple matches, answer the last one. If there are no matches, answer nil. + NB: index 1 is the entire match, index 2 is the first capture group, etc. (NB: it used to answer an empty string but I think nil makes more sense)." ^ (self subexpressions: subIndex) ifNotEmpty: [:expressions | expressions last] ifEmpty: [nil]! Item was changed: ----- Method: RxMatcher>>subexpressions: (in category 'accessing') ----- subexpressions: subIndex "Answer an array of all matches of the subexpression at the given index. + The answer is always an array; it is empty if there are no matches. + NB: index 1 is the entire match, index 2 is the first capture group, etc." - The answer is always an array; it is empty if there are no matches." | originalPosition startPositions stopPositions reply | originalPosition := stream position. startPositions := self subBeginning: subIndex. stopPositions := self subEnd: subIndex. (startPositions isEmpty or: [stopPositions isEmpty]) ifTrue: [^Array new]. reply := Array new: startPositions size. 1 to: reply size do: [ :index | | start stop | start := startPositions at: index. stop := stopPositions at: index. stream position: start. reply at: index put: (stream next: stop - start) ]. stream position: originalPosition. ^reply!

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The Trunk: Regex-Tests-Core-ct.36.mcz
by commits＠source.squeak.org 01 May '24

01 May '24

Christoph Thiede uploaded a new version of Regex-Tests-Core to project The Trunk: http://source.squeak.org/trunk/Regex-Tests-Core-ct.36.mcz ==================== Summary ==================== Name: Regex-Tests-Core-ct.36 Author: ct Time: 1 May 2024, 6:09:32.080028 pm UUID: b163c0fb-36ce-4b29-b751-97759ff56c37 Ancestors: Regex-Tests-Core-mt.35 Fixes expected order of keyed subexpressions to be top-down and left-to-right. Documents significant edge case of empty keyed subexpressions. =============== Diff against Regex-Tests-Core-mt.35 =============== Item was changed: ----- Method: RxMatcherTest>>testKeyedSubexpressions (in category 'testing-protocol') ----- testKeyedSubexpressions { #('abc' () ()). #('(\w)+' () ()). {'(?<foo>a)b(c)'. #(foo ('a')). {#foo. {1 to: 1}}}. {'(?<foo>\w+)'. #(foo ('abc')). {#foo. {1 to: 3}}}. {'(?<foo>\w)+'. #(foo ('a' 'b' 'c')). {#foo. {1 to: 1. 2 to: 2. 3 to: 3}}}. + {'(?<foo>((?<foo>b)|(?<foo>[^b]))+)'. #(foo ('abc' 'a' 'b' 'c')). {#foo. {1 to: 3. 1 to: 1. 2 to: 2. 3 to: 3}}}. + #('abc(?<foo>\w)?' (foo ()) (foo ())). + {'(?<foo>)(?<foo>\w)*(?<foo>)'. #(foo ('' 'a' 'b' 'c' '')). {#foo. {1 to: 0. 1 to: 1. 2 to: 2. 3 to: 3. 4 to: 3}}}. - {'(?<foo>((?<foo>b)|(?<foo>[^b]))+)'. #(foo ('a' 'b' 'c' 'abc' )). {#foo. {1 to: 1. 2 to: 2. 3 to: 3. 1 to: 3}}}. - #('abc(?<foo>\w)?' (foo ()) (foo ())) } do: [:spec | | matcher | matcher := spec first asRegex. self assert: (matcher matches: 'abc'). self assert: (Dictionary newFromPairs: spec second) equals: matcher allKeyedSubexpressions. self assert: (Dictionary newFromPairs: spec third) associations equals: (matcher keyedMarkers collect: [:key | key -> (matcher keyedSubexpressionRanges: key) asArray])].!

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The Trunk: SUnit-cmm.146.mcz
by commits＠source.squeak.org 30 Apr '24

30 Apr '24

Chris Muller uploaded a new version of SUnit to project The Trunk: http://source.squeak.org/trunk/SUnit-cmm.146.mcz ==================== Summary ==================== Name: SUnit-cmm.146 Author: cmm Time: 30 April 2024, 12:43:19.759559 am UUID: 51424d55-94d0-4d2e-b8dc-f470b05cb44d Ancestors: SUnit-mt.145 Let SUnit provide consistent results when running vs. debugging, rather than quietly hiding SUnit timeout configuration bugs when debugging. =============== Diff against SUnit-mt.145 =============== Item was changed: ----- Method: TestCase>>debug (in category 'running') ----- debug "Run the receiver and open a debugger on the first failure or error." + ^ self assureResourcesDuring: [self runCase]! - ^ self assureResourcesDuring: [self runCaseWithoutTimeout]! Item was changed: ----- Method: TestCase>>debugAsFailure (in category 'running') ----- debugAsFailure "Spawn a debugger that is ready to debug the receiver." (Process forBlock: [self debug] runUntil: [:context | context isClosureContext "navigate the process directly to the point where it is about to send #setUp" + and: [context selector = #runCase]]) - and: [context selector = #runCaseWithoutTimeout]]) debug.!

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The Trunk: Tools-eem.1251.mcz
by commits＠source.squeak.org 29 Apr '24

29 Apr '24

Eliot Miranda uploaded a new version of Tools to project The Trunk: http://source.squeak.org/trunk/Tools-eem.1251.mcz ==================== Summary ==================== Name: Tools-eem.1251 Author: eem Time: 29 April 2024, 2:53:17.573251 pm UUID: f493712c-4f55-4c9e-96f9-394e45e29b32 Ancestors: Tools-eem.1250 For the TreeBrowser, if a system category is already selected, use it as teh stem of the prompt to add a new category, so that it is easier to add a subcategory. Guard against empty categories in answering the class list of a PackagePaneBrowser. =============== Diff against Tools-eem.1250 =============== Item was changed: ----- Method: Browser>>addSystemCategory (in category 'system category functions') ----- addSystemCategory "Prompt for a new category name and add it before the current selection, or at the end if no current selection" | oldSelection newName | self okToChange ifFalse: [^ self]. oldSelection := self selectedSystemCategory. newName := self request: 'Please type new category name' + initialAnswer: (oldSelection ifNil: ['Category-Name'] ifNotNil: [oldSelection, '-Name']). + newName isEmpty ifTrue: [^ self]. - initialAnswer: 'Category-Name'. - newName isEmpty - ifTrue: [^ self] - ifFalse: [newName := newName asSymbol]. systemOrganizer + addCategory: (newName := newName asSymbol) - addCategory: newName before: self selectedSystemCategory. + self selectSystemCategory: newName. - self selectSystemCategory: - (oldSelection isNil - ifTrue: [ self systemCategoryList last ] - ifFalse: [ oldSelection ]). self changed: #systemCategoryList.! Item was changed: ----- Method: PackagePaneBrowser>>classList (in category 'class list') ----- classList self hasSystemCategorySelected ifTrue: [| thisPackage thisCatSufix categories | thisPackage := self package. thisCatSufix := self selectedSystemCategoryWithoutPackage. categories := systemOrganizer categories select: [:eachCat | eachCat size >= thisPackage size and: ["package prefix may occur in different cases, because they are assembled in the same package" ((eachCat first: thisPackage size) compare: thisPackage caseSensitive: false) = 2] and: ["rest of system category must have exact case, because it is discrimnated by the system category list" (eachCat allButFirst: thisPackage size) = thisCatSufix]]. + categories ifNotEmpty: + [^categories gather: [:eachCat | systemOrganizer listAtCategoryNamed: eachCat]]]. - ^ categories gather: [:eachCat | - systemOrganizer listAtCategoryNamed: eachCat]]. self hasPackageSelected ifTrue: [^ self packageClasses]. ^ systemOrganizer allElements!

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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

1 0

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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