Packages April 2017

packages@lists.squeakfoundation.org

1 participants
121 discussions

The Trunk: Multilingual-pre.219.mcz
by commits＠source.squeak.org 20 Apr '17

20 Apr '17

Patrick Rein uploaded a new version of Multilingual to project The Trunk: http://source.squeak.org/trunk/Multilingual-pre.219.mcz ==================== Summary ==================== Name: Multilingual-pre.219 Author: pre Time: 20 April 2017, 11:38:03.929994 am UUID: 61658322-f7a5-9042-b319-a1166a658928 Ancestors: Multilingual-ul.218 adds the cp1252 charset and adds iso-8859-1 to the names of latin1 =============== Diff against Multilingual-ul.218 =============== Item was added: + ByteTextConverter subclass: #CP1252TextConverter + instanceVariableNames: '' + classVariableNames: '' + poolDictionaries: '' + category: 'Multilingual-TextConversion'! + + !CP1252TextConverter commentStamp: '<historical>' prior: 0! + Text converter for CP1250. Windows code page used in Eastern Europe.! Item was added: + ----- Method: CP1252TextConverter class>>encodingNames (in category 'utilities') ----- + encodingNames + + ^ #('cp-1252' 'windows-1252') copy + ! Item was added: + ----- Method: CP1252TextConverter class>>initialize (in category 'class initialization') ----- + initialize + self initializeDecodeTable; initializeEncodeTable; initializeLatin1MapAndEncodings! Item was added: + ----- Method: CP1252TextConverter class>>initializeDecodeTable (in category 'class initialization') ----- + initializeDecodeTable + decodeTable := (0 to: 127) , #( + 16r20AC + -1 + 16r201A + 16r0192 + 16r201E + 16r2026 + 16r2020 + 16r2021 + 16r02C6 + 16r2030 + 16r0160 + 16r2039 + 16r0152 + -1 + 16r017D + -1 + -1 + 16r2018 + 16r2019 + 16r201C + 16r201D + 16r2022 + 16r2013 + 16r2014 + 16r02DC + 16r2122 + 16r0161 + 16r203A + 16r0153 + -1 + 16r017E + 16r0178 + 16r00A0 + 16r00A1 + 16r00A2 + 16r00A3 + 16r00A4 + 16r00A5 + 16r00A6 + 16r00A7 + 16r00A8 + 16r00A9 + 16r00AA + 16r00AB + 16r00AC + 16r00AD + 16r00AE + 16r00AF + 16r00B0 + 16r00B1 + 16r00B2 + 16r00B3 + 16r00B4 + 16r00B5 + 16r00B6 + 16r00B7 + 16r00B8 + 16r00B9 + 16r00BA + 16r00BB + 16r00BC + 16r00BD + 16r00BE + 16r00BF + 16r00C0 + 16r00C1 + 16r00C2 + 16r00C3 + 16r00C4 + 16r00C5 + 16r00C6 + 16r00C7 + 16r00C8 + 16r00C9 + 16r00CA + 16r00CB + 16r00CC + 16r00CD + 16r00CE + 16r00CF + 16r00D0 + 16r00D1 + 16r00D2 + 16r00D3 + 16r00D4 + 16r00D5 + 16r00D6 + 16r00D7 + 16r00D8 + 16r00D9 + 16r00DA + 16r00DB + 16r00DC + 16r00DD + 16r00DE + 16r00DF + 16r00E0 + 16r00E1 + 16r00E2 + 16r00E3 + 16r00E4 + 16r00E5 + 16r00E6 + 16r00E7 + 16r00E8 + 16r00E9 + 16r00EA + 16r00EB + 16r00EC + 16r00ED + 16r00EE + 16r00EF + 16r00F0 + 16r00F1 + 16r00F2 + 16r00F3 + 16r00F4 + 16r00F5 + 16r00F6 + 16r00F7 + 16r00F8 + 16r00F9 + 16r00FA + 16r00FB + 16r00FC + 16r00FD + 16r00FE + 16r00FF).! Item was changed: ----- Method: Latin1TextConverter class>>encodingNames (in category 'utilities') ----- encodingNames + ^ #('latin-1' 'latin1' 'iso-8859-1') copy. - ^ #('latin-1' 'latin1') copy. !

1 0

The Trunk: Collections-pre.747.mcz
by commits＠source.squeak.org 20 Apr '17

20 Apr '17

Patrick Rein uploaded a new version of Collections to project The Trunk: http://source.squeak.org/trunk/Collections-pre.747.mcz ==================== Summary ==================== Name: Collections-pre.747 Author: pre Time: 20 April 2017, 11:37:10.168994 am UUID: 6fe02314-e789-064a-b678-0caec3506aac Ancestors: Collections-eem.746 changes decoding of mime headers to decode directly to squeak encoding =============== Diff against Collections-eem.746 =============== Item was changed: ----- Method: String>>decodeMimeHeader (in category 'internet') ----- decodeMimeHeader "See RFC 2047, MIME Part Three: Message Header Extension for Non-ASCII + Text and RFC 1342. Text containing non-ASCII characters is encoded by the sequence - Text. Text containing non-ASCII characters is encoded by the sequence =?character-set?encoding?encoded-text?= Encoding is Q (quoted printable) or B (Base64), handled by Base64MimeConverter / RFC2047MimeConverter. Thanks to Yokokawa-san, it works in m17n package. Try the following: '=?ISO-2022-JP?B?U1dJS0lQT1AvGyRCPUJDKyVpJXMlQRsoQi8=?= =?ISO-2022-JP?B?GyRCJVElRiUjJSobKEIoUGF0aW8p?=' decodeMimeHeader. " | input output temp charset decoder encodedStream encoding pos | input := ReadStream on: self. output := WriteStream on: String new. [output nextPutAll: (input upTo: $=). "ASCII Text" input atEnd] whileFalse: [(temp := input next) = $? ifTrue: [charset := input upTo: $?. encoding := (input upTo: $?) asUppercase. temp := input upTo: $?. input next. "Skip final =" (charset isNil or: [charset size = 0]) ifTrue: [charset := 'LATIN-1']. + encodedStream := WriteStream on: String new. - encodedStream := MultiByteBinaryOrTextStream on: String new encoding: charset. decoder := encoding = 'B' ifTrue: [Base64MimeConverter new] ifFalse: [RFC2047MimeConverter new]. decoder mimeStream: (ReadStream on: temp); dataStream: encodedStream; mimeDecode. + + output nextPutAll: (MultiByteBinaryOrTextStream with: encodedStream contents encoding: charset) contents. - output nextPutAll: encodedStream reset contents. pos := input position. input skipSeparators. "Delete spaces if followed by =" input peek = $= ifFalse: [input position: pos]] ifFalse: [output nextPut: $=; nextPut: temp]]. ^ output contents!

1 0

The Trunk: CollectionsTests-pre.279.mcz
by commits＠source.squeak.org 20 Apr '17

20 Apr '17

Patrick Rein uploaded a new version of CollectionsTests to project The Trunk: http://source.squeak.org/trunk/CollectionsTests-pre.279.mcz ==================== Summary ==================== Name: CollectionsTests-pre.279 Author: pre Time: 20 April 2017, 11:36:05.997994 am UUID: d9801703-2175-ef41-ad6d-3eb0be4e3f22 Ancestors: CollectionsTests-fn.278 Adds a test to test the decoding of mime headers =============== Diff against CollectionsTests-fn.278 =============== Item was added: + ----- Method: StringTest>>testDecodeMimeHeader (in category 'tests - internet') ----- + testDecodeMimeHeader + + self + assert: 'Schöne Grüße' + equals: '=?utf-8?Q?Sch=C3=B6ne_Gr=C3=BC=C3=9Fe?=' decodeMimeHeader!

1 0

The Trunk: Collections-eem.746.mcz
by commits＠source.squeak.org 18 Apr '17

18 Apr '17

Eliot Miranda uploaded a new version of Collections to project The Trunk: http://source.squeak.org/trunk/Collections-eem.746.mcz ==================== Summary ==================== Name: Collections-eem.746 Author: eem Time: 18 April 2017, 2:10:45.148995 pm UUID: 8d9adaca-1401-4323-974f-1aed16ae3688 Ancestors: Collections-eem.745 Nuke the pointless override of ByteSString class>>stringHash:initialHash: in ByteSymbol class. Rewrite the non-byte version to use the hashMultiply primitive. =============== Diff against Collections-eem.745 =============== Item was removed: - ----- Method: ByteSymbol class>>stringHash:initialHash: (in category 'primitives') ----- - stringHash: aString initialHash: speciesHash - ^ByteString stringHash: aString initialHash: speciesHash! Item was changed: ----- Method: String class>>stringHash:initialHash: (in category 'primitives') ----- stringHash: aString initialHash: speciesHash + "Answer the hash of a byte-indexed string, using speciesHash as the initial value. + See SmallInteger>>hashMultiply." + | hash | - - | stringSize hash low | - stringSize := aString size. hash := speciesHash bitAnd: 16r0FFFFFFF. + 1 to: aString size do: + [:pos | + hash := (hash + (aString basicAt: pos)) hashMultiply]. + ^hash! - 1 to: stringSize do: [ :pos | - hash := hash + (aString basicAt: pos). - "Begin hashMultiply" - low := hash bitAnd: 16383. - hash := (16r260D * low + ((16r260D * (hash // 16384) + (16r0065 * low) bitAnd: 16383) * 16384)) bitAnd: 16r0FFFFFFF ]. - ^hash. - - - !

1 0

The Trunk: SystemReporter-eem.35.mcz
by commits＠source.squeak.org 18 Apr '17

18 Apr '17

Eliot Miranda uploaded a new version of SystemReporter to project The Trunk: http://source.squeak.org/trunk/SystemReporter-eem.35.mcz ==================== Summary ==================== Name: SystemReporter-eem.35 Author: eem Time: 18 April 2017, 11:43:09.35433 am UUID: 3fd6ab42-79ae-4e3a-b83b-bcdc4a8bba7b Ancestors: SystemReporter-eem.34 Better label for the system reporter's description of vm parameter #2 in Spur. =============== Diff against SystemReporter-eem.34 =============== Item was changed: ----- Method: SystemReporter>>reportVMParameters: (in category 'reporting') ----- reportVMParameters: aStream | vmParameters isStack isCog isSpur | self header: 'Virtual Machine Parameters' on: aStream. vmParameters := Smalltalk vm getVMParameters. isStack := (vmParameters at: 42 ifAbsent: [0]) ~= 0. "42 = number of stack pages available" isCog := isStack and: [(vmParameters at: 46) ~= 0]. "46 is machine code zone size" isSpur := isStack and: [(vmParameters at: 41) anyMask: 2r10000]. "41 is imageFormatVersion for the VM; bit 16 is the Spur bit" (isSpur ifFalse: [#( 1 'size of old space' 2 'size of young+old space' 3 'size of memory' 4 'allocationCount' 5 'allocations between GCs' 6 'survivor count tenuring threshold')] ifTrue: [#( 1 'size of old space' + 2 'used bytes in new space (used eden + used past space)' - 2 'size of new space' 3 'size of heap')]), #( 7 'full GCs since startup' 8 'total milliseconds in full GCs since startup'), (isSpur ifFalse: [#( 9 'incremental GCs since startup' 10 'total milliseconds in incremental GCs since startup' 11 'tenures of surving objects since startup'), {12 to: 19. 'specific to the translating VM'}] ifTrue: [#( 9 'scavenging GCs since startup' 10 'total milliseconds in scavenging GCs since startup' 11 'tenures of surving objects since startup'), {12 to: 15. 'reserved for future use'}, #( 16 'total microseconds in idle since startup' 17 'proportion of code zone available for use (Sista VMs only; read-write)' 18 'total milliseconds in full GC compaction since startup (a portion of parameter 8)' 19 'scavenge threshold; the effective size of eden')]), #( 20 'utc microseconds at startup (if non-zero)' 21 'root/remembered table size (occupancy)' 22 'root/remembered table overflows since startup' 23 'bytes of extra memory to reserve for VM buffers, plugins, etc.' 24 'free memory threshold above which object memory will be shrunk' 25 'memory headroom when growing object memory'), (isStack ifFalse: [#( 26 'interruptChecksEveryNms - force an ioProcessEvents every N milliseconds, in case the image is not calling getNextEvent often')] ifTrue: [#( 26 'heartbeat period (ms; see #58)')]), (isSpur ifFalse: [#( 27 'number of times mark loop iterated for current IGC/FGC includes ALL marking' 28 'number of times sweep loop iterated for current IGC/FGC' 29 'number of times make forward loop iterated for current IGC/FGC' 30 'number of times compact move loop iterated for current IGC/FGC')] ifTrue: [#()]), #( 31 'number of grow memory requests' 32 'number of shrink memory requests'), (isSpur ifFalse: [#( 33 'number of root table entries used for current IGC/FGC' 34 'number of allocations done before current IGC/FGC' 35 'number of survivor objects after current IGC/FGC' 36 'millisecond clock when current IGC/FGC completed' 37 'number of marked objects for Roots of the world, not including Root Table entries for current IGC/FGC' 38 'milliseconds taken by current IGC' 39 'Number of finalization signals for Weak Objects pending when current IGC/FGC completed')] ifTrue: [#( 33 'number of root table entries at last scavenge' 35 'number of survivor objects at last scavenge (if non-zero)' 36 'millisecond clock when current scavenge completed' 38 'milliseconds taken by current scavenge' 39 'Number of finalization signals for Weak Objects pending when current SGC/FGC completed')]), #( 40 'VM word size - 4 or 8'), (isStack ifTrue: [#( 41 'imageFormatVersion for the VM' 42 'number of stack pages available' 43 'desired number of stack pages (stored in image file header, max 65535)' 44 'size of eden, in bytes' 45 'desired size of eden, in bytes (stored in image file header)' 46 'machine code zone size, in bytes (0 in Stack VM)' 47 'desired machine code zone size (0 => default 1Mb)' 48 'various header flags. See getCogVMFlags.' 49 'max size the image promises to grow the external semaphore table to'), (isSpur ifFalse: [{ 50 to: 51. 'reserved for VM parameters that persist in the image (such as size of eden above)'. 52 to: 56. 'specific to Spur' }] ifTrue: [{ 50 to: 51. 'reserved for VM parameters that persist in the image (such as size of eden above)' }, #( 52 'root/remembered table capacity' 53 'number of old space segments' 54 'total free old space' 55 'ratio of growth and image size at or above which a GC will be performed post scavenge')]), #( 56 'number of process switches since startup' 57 'number of ioProcessEvents calls since startup' 58 'number of forceInterruptCheck calls since startup' 59 'number of check event calls since startup' 60 'number of stack page overflows since startup' 61 'number of stack page divorces since startup' 62 'compiled code compactions since startup'), (isCog ifFalse: [#()] ifTrue: [#( 63 'total milliseconds in compiled code compactions since startup' 64 'the number of methods that currently have jitted machine-code')]), #( 65 'whether the VM supports MULTIPLE_BYTECODE_SETS or not.' 66 'the byte size of a stack page'), (isSpur ifFalse: [{ 67 to: 69. 'reserved for more Cog-related info' }] ifTrue: [#( 67 'the maximum allowed size of old space (if zero there is no limit)' 68 'the average number of live stack pages when scanned by scavenge/gc/become' 69 'the maximum number of live stack pages when scanned by scavenge/gc/become')]), #( 70 'the vmProxyMajorVersion (the interpreterProxy VM_MAJOR_VERSION)' 71 'the vmProxyMinorVersion (the interpreterProxy VM_MINOR_VERSION)')] ifFalse: [#()]) pairsDo: [:idx :desc | | value values | aStream nextPut: $#. idx isInteger ifTrue: [value := vmParameters at: idx. aStream print: idx; tab: (idx < 10 ifTrue: [2] ifFalse: [1]); nextPutAll: ((value isInteger and: [idx ~= 41]) ifTrue: [value asStringWithCommas] ifFalse: [value printString])] ifFalse: [value := vmParameters at: idx first. aStream print: idx first; next: 2 put: $.; print: idx last; tab. values := idx collect: [:i| vmParameters at: i]. values asSet size = 1 ifTrue: [aStream print: value] ifFalse: [values do: [:v| aStream print: v] separatedBy: [aStream nextPutAll: ', ']]]. aStream tab; nextPutAll: desc; cr]!

1 0

The Trunk: Kernel-eem.1097.mcz
by commits＠source.squeak.org 18 Apr '17

18 Apr '17

Eliot Miranda uploaded a new version of Kernel to project The Trunk: http://source.squeak.org/trunk/Kernel-eem.1097.mcz ==================== Summary ==================== Name: Kernel-eem.1097 Author: eem Time: 18 April 2017, 11:41:03.658215 am UUID: 716aef28-aea7-408d-9720-a0371de009d7 Ancestors: Kernel-dtl.1096 Add the primitive implementation to the two hashMultiply methods. =============== Diff against Kernel-dtl.1096 =============== Item was changed: ----- Method: LargePositiveInteger>>hashMultiply (in category 'bit manipulation') ----- hashMultiply + "This is a multiplication by by 1664525 mod 2^28 written to avoid overflowing into large integers. + The primitive is able to perform the operation with modulo arihmetic." + <primitive: 159> "Truncate to 28 bits and try again" - ^(self bitAnd: 16rFFFFFFF) hashMultiply! Item was changed: ----- Method: SmallInteger>>hashMultiply (in category 'bit manipulation') ----- hashMultiply + "This is a multiplication by by 1664525 mod 2^28 written to avoid overflowing into large integers. + The primitive is able to perform the operation with modulo arihmetic." + <primitive: 159> - "Multiply by 1664525 mod 2^28 without overflowing into large integers." | low | low := self bitAnd: 16383. ^(16r260D * low + ((16r260D * (self bitShift: -14) + (16r0065 * low) bitAnd: 16383) * 16384)) bitAnd: 16r0FFFFFFF!

1 0

The Trunk: Collections-eem.745.mcz
by commits＠source.squeak.org 18 Apr '17

18 Apr '17

Eliot Miranda uploaded a new version of Collections to project The Trunk: http://source.squeak.org/trunk/Collections-eem.745.mcz ==================== Summary ==================== Name: Collections-eem.745 Author: eem Time: 18 April 2017, 11:39:44.905833 am UUID: c26d3130-3164-4fdb-b302-858a554d8d8d Ancestors: Collections-eem.744 Clarify the two primitiveStringHash uses. The one in ByteArray class is translated to a primitive in MiscPrimitivePlugin. The one in ByteString class is not; it uses the translated primitive derived from ByteArray class>>hashBytes:startingWith:. (N.B. Requires a soon-to-be-committed change to VMMaker to accet the int decl for speciesHash.") =============== Diff against Collections-eem.744 =============== Item was changed: ----- Method: ByteArray class>>hashBytes:startingWith: (in category 'byte based hash') ----- hashBytes: aByteArray startingWith: speciesHash + "Answer the hash of a byte-indexed collection, using speciesHash as the initial value. + See SmallInteger>>hashMultiply. - "Answer the hash of a byte-indexed collection, - using speciesHash as the initial value. - See SmallInteger>>hashMultiply. + The primitive should be renamed at a suitable point in the future" - The primitive should be renamed at a - suitable point in the future" - - | byteArraySize hash low | <primitive: 'primitiveStringHash' module: 'MiscPrimitivePlugin'> + | byteArraySize hash | + <var: 'aByteArray' type: #'unsigned char *'> + <var: 'speciesHash' type: #int> - <var: #aHash declareC: 'int speciesHash'> - <var: #aByteArray declareC: 'unsigned char *aByteArray'> byteArraySize := aByteArray size. hash := speciesHash bitAnd: 16rFFFFFFF. + 1 to: byteArraySize do: + [:pos | - 1 to: byteArraySize do: [:pos | hash := hash + (aByteArray basicAt: pos). + "Inlined hashMultiply, written this way for translation to C." + hash := hash * 1664525 bitAnd: 16r0FFFFFFF]. + ^hash! - "Begin hashMultiply" - low := hash bitAnd: 16383. - hash := (16r260D * low + ((16r260D * (hash bitShift: -14) + (16r0065 * low) bitAnd: 16383) * 16384)) bitAnd: 16r0FFFFFFF. - ]. - ^ hash! Item was changed: ----- Method: ByteString class>>stringHash:initialHash: (in category 'primitives') ----- stringHash: aString initialHash: speciesHash + "Answer the hash of a byte-indexed string, using speciesHash as the initial value. + See SmallInteger>>hashMultiply." - - | stringSize hash low | <primitive: 'primitiveStringHash' module: 'MiscPrimitivePlugin'> + | hash | - - <var: #aHash declareC: 'int speciesHash'> - <var: #aString declareC: 'unsigned char *aString'> - - stringSize := aString size. hash := speciesHash bitAnd: 16rFFFFFFF. + 1 to: aString size do: + [:pos | + hash := (hash + (aString basicAt: pos)) hashMultiply]. + ^hash! - 1 to: stringSize do: [:pos | - hash := hash + (aString basicAt: pos). - "Begin hashMultiply" - low := hash bitAnd: 16383. - hash := (16r260D * low + ((16r260D * (hash bitShift: -14) + (16r0065 * low) bitAnd: 16383) * 16384)) bitAnd: 16r0FFFFFFF. - ]. - ^ hash!

1 0

The Trunk: Kernel-dtl.1096.mcz
by commits＠source.squeak.org 18 Apr '17

18 Apr '17

David T. Lewis uploaded a new version of Kernel to project The Trunk: http://source.squeak.org/trunk/Kernel-dtl.1096.mcz ==================== Summary ==================== Name: Kernel-dtl.1096 Author: dtl Time: 18 April 2017, 11:59:08.257358 am UUID: 877ab97f-9ebe-4405-af31-fe9caab25eb6 Ancestors: Kernel-eem.1095 SmallInteger>>hashMultiply comment provided by Andres Valloud =============== Diff against Kernel-eem.1095 =============== Item was changed: ----- Method: SmallInteger>>hashMultiply (in category 'bit manipulation') ----- hashMultiply + "Multiply by 1664525 mod 2^28 without overflowing into large integers." | low | - low := self bitAnd: 16383. ^(16r260D * low + ((16r260D * (self bitShift: -14) + (16r0065 * low) bitAnd: 16383) * 16384)) bitAnd: 16r0FFFFFFF!

1 0

The Trunk: EToys-nice.292.mcz
by commits＠source.squeak.org 15 Apr '17

15 Apr '17

Nicolas Cellier uploaded a new version of EToys to project The Trunk: http://source.squeak.org/trunk/EToys-nice.292.mcz ==================== Summary ==================== Name: EToys-nice.292 Author: nice Time: 15 April 2017, 3:44:39.800437 pm UUID: 39acfe15-791f-41c6-8aad-d679664643e7 Ancestors: EToys-eem.291 Remove the Multi*Scanner, MultiNewParagraph, MultiComposer because they have no additional value. =============== Diff against EToys-eem.291 =============== Item was changed: SystemOrganization addCategory: #'Etoys-Buttons'! SystemOrganization addCategory: #'Etoys-CustomEvents'! SystemOrganization addCategory: #'Etoys-Experimental'! SystemOrganization addCategory: #'Etoys-Outliner'! SystemOrganization addCategory: #'Etoys-Protocols'! SystemOrganization addCategory: #'Etoys-Protocols-Type Vocabularies'! SystemOrganization addCategory: #'Etoys-Scripting'! SystemOrganization addCategory: #'Etoys-Scripting Support'! SystemOrganization addCategory: #'Etoys-Scripting Tiles'! SystemOrganization addCategory: #'Etoys-Squeakland-BroomMorphs-Base'! SystemOrganization addCategory: #'Etoys-Squeakland-BroomMorphs-Connectors'! SystemOrganization addCategory: #'Etoys-Squeakland-EToys-Kedama'! SystemOrganization addCategory: #'Etoys-Squeakland-Etoys-Buttons'! SystemOrganization addCategory: #'Etoys-Squeakland-Etoys-Calendar'! SystemOrganization addCategory: #'Etoys-Squeakland-Etoys-Debugger'! SystemOrganization addCategory: #'Etoys-Squeakland-Etoys-Help'! SystemOrganization addCategory: #'Etoys-Squeakland-Etoys-Input'! SystemOrganization addCategory: #'Etoys-Squeakland-Etoys-Scripting'! SystemOrganization addCategory: #'Etoys-Squeakland-Etoys-Scripting Support'! SystemOrganization addCategory: #'Etoys-Squeakland-Etoys-Scripting Tiles'! SystemOrganization addCategory: #'Etoys-Squeakland-Etoys-SpeechBubbles'! SystemOrganization addCategory: #'Etoys-Squeakland-Etoys-Tile Scriptors'! SystemOrganization addCategory: #'Etoys-Squeakland-Graphics-External'! SystemOrganization addCategory: #'Etoys-Squeakland-Graphics-Text'! SystemOrganization addCategory: #'Etoys-Squeakland-Graphics-Tools-Intersection'! SystemOrganization addCategory: #'Etoys-Squeakland-Graphics-Tools-Simplification'! SystemOrganization addCategory: #'Etoys-Squeakland-Graphics-Tools-Triangulation'! SystemOrganization addCategory: #'Etoys-Squeakland-MorphicExtras-AdditionalMorphs'! SystemOrganization addCategory: #'Etoys-Squeakland-MorphicExtras-Charts'! SystemOrganization addCategory: #'Etoys-Squeakland-MorphicExtras-Postscript Filters'! SystemOrganization addCategory: #'Etoys-Squeakland-MorphicExtras-WebCam'! SystemOrganization addCategory: #'Etoys-Squeakland-MorphicExtras-Widgets'! SystemOrganization addCategory: #'Etoys-Squeakland-Morphic-Basic'! SystemOrganization addCategory: #'Etoys-Squeakland-Morphic-Books'! SystemOrganization addCategory: #'Etoys-Squeakland-Morphic-Components'! SystemOrganization addCategory: #'Etoys-Squeakland-Morphic-Demo'! SystemOrganization addCategory: #'Etoys-Squeakland-Morphic-Experimental'! SystemOrganization addCategory: #'Etoys-Squeakland-Morphic-Games'! SystemOrganization addCategory: #'Etoys-Squeakland-Morphic-Games-Chess'! SystemOrganization addCategory: #'Etoys-Squeakland-Morphic-GeeMail'! SystemOrganization addCategory: #'Etoys-Squeakland-Morphic-Kernel'! SystemOrganization addCategory: #'Etoys-Squeakland-Morphic-Mentoring'! SystemOrganization addCategory: #'Etoys-Squeakland-Morphic-Navigators'! SystemOrganization addCategory: #'Etoys-Squeakland-Morphic-PartsBin'! SystemOrganization addCategory: #'Etoys-Squeakland-Morphic-PDA'! SystemOrganization addCategory: #'Etoys-Squeakland-Morphic-Support'! SystemOrganization addCategory: #'Etoys-Squeakland-Morphic-Widgets'! SystemOrganization addCategory: #'Etoys-Squeakland-Morphic-Windows'! SystemOrganization addCategory: #'Etoys-Squeakland-Morphic-Worlds'! SystemOrganization addCategory: #'Etoys-Squeakland-Multilingual-Languages'! - SystemOrganization addCategory: #'Etoys-Squeakland-Multilingual-Scanning'! SystemOrganization addCategory: #'Etoys-Squeakland-Multilingual-TextConversion'! SystemOrganization addCategory: #'Etoys-Squeakland-Network-HTML-Formatter'! SystemOrganization addCategory: #'Etoys-Squeakland-Network-HTML-Forms'! SystemOrganization addCategory: #'Etoys-Squeakland-Network-HTML-Parser'! SystemOrganization addCategory: #'Etoys-Squeakland-Network-HTML-Parser Entities'! SystemOrganization addCategory: #'Etoys-Squeakland-Network-HTML-Tokenizer'! SystemOrganization addCategory: #'Etoys-Squeakland-Network-MIME'! SystemOrganization addCategory: #'Etoys-Squeakland-Network-TelNet WordNet'! SystemOrganization addCategory: #'Etoys-Squeakland-Network-UI'! SystemOrganization addCategory: #'Etoys-Squeakland-Network-Url'! SystemOrganization addCategory: #'Etoys-Squeakland-Protocols-Type Vocabularies'! SystemOrganization addCategory: #'Etoys-Squeakland-Sound-Interface'! SystemOrganization addCategory: #'Etoys-Squeakland-Sound-Ogg'! SystemOrganization addCategory: #'Etoys-Squeakland-Sound-Scores'! SystemOrganization addCategory: #'Etoys-Squeakland-ST80-Morphic'! SystemOrganization addCategory: #'Etoys-Squeakland-SUnit'! SystemOrganization addCategory: #'Etoys-Squeakland-Sugar'! SystemOrganization addCategory: #'Etoys-Squeakland-System-Clipboard-Extended'! SystemOrganization addCategory: #'Etoys-Squeakland-System-Compiler'! SystemOrganization addCategory: #'Etoys-Squeakland-System-Exceptions Kernel'! SystemOrganization addCategory: #'Etoys-Squeakland-System-Support'! SystemOrganization addCategory: #'Etoys-Squeakland-Tools-Changes'! SystemOrganization addCategory: #'Etoys-Squeakland-Tools-Explorer'! SystemOrganization addCategory: #'Etoys-Squeakland-Tools-File Contents Browser'! SystemOrganization addCategory: #'Etoys-Squeakland-Tools-Process Browser'! SystemOrganization addCategory: #'Etoys-Squeakland-Tweak-Kedama-ObjectVectors'! SystemOrganization addCategory: #'Etoys-Squeakland-Tweak-Kedama-ParseTreeTransformer'! SystemOrganization addCategory: #'Etoys-Squeakland-Tweak-Kedama-ParseTree-AttributeDefinition'! SystemOrganization addCategory: #'Etoys-Stacks'! SystemOrganization addCategory: #'Etoys-StarSqueak'! SystemOrganization addCategory: #'Etoys-Support'! SystemOrganization addCategory: #'Etoys-Tests'! SystemOrganization addCategory: #'Etoys-Tile Scriptors'! SystemOrganization addCategory: #'Etoys-Widgets'! SystemOrganization addCategory: #'Etoys-Squeakland-Support'! SystemOrganization addCategory: #'Etoys-Squeakland-SISS-Serialization'! SystemOrganization addCategory: #'Etoys-OLPC-Display'! SystemOrganization addCategory: #'Etoys-ReleaseBuilder'! SystemOrganization addCategory: #'Etoys-UserInterfaceTheme'! Item was removed: - ----- Method: GrafPort>>displayScannerForMulti:foreground:background:ignoreColorChanges: (in category '*Etoys-Squeakland-accessing') ----- - displayScannerForMulti: para foreground: foreColor background: backColor ignoreColorChanges: shadowMode - - ((para isMemberOf: MultiNewParagraph) or: [para text string isByteString]) ifTrue: [ - ^ (MultiDisplayScanner new text: para presentationText textStyle: para textStyle - foreground: foreColor background: backColor fillBlt: self - ignoreColorChanges: shadowMode) - setPort: self clone - ]. - ^ (DisplayScanner new text: para text textStyle: para textStyle - foreground: foreColor background: backColor fillBlt: self - ignoreColorChanges: shadowMode) - setPort: self clone - ! Item was removed: - MultiCharacterScanner subclass: #MultiCanvasCharacterScanner - instanceVariableNames: 'canvas fillBlt foregroundColor runX lineY' - classVariableNames: '' - poolDictionaries: '' - category: 'Etoys-Squeakland-Multilingual-Scanning'! Item was removed: - ----- Method: MultiCanvasCharacterScanner>>canvas: (in category 'accessing') ----- - canvas: aCanvas - "set the canvas to draw on" - canvas ifNotNil: [ self inform: 'initializing twice!!' ]. - canvas := aCanvas! Item was removed: - ----- Method: MultiCanvasCharacterScanner>>cr (in category 'stop conditions') ----- - cr - "When a carriage return is encountered, simply increment the pointer - into the paragraph." - - lastIndex := lastIndex + 1. - ^false! Item was removed: - ----- Method: MultiCanvasCharacterScanner>>crossedX (in category 'stop conditions') ----- - crossedX - "This condition will sometimes be reached 'legally' during display, when, - for instance the space that caused the line to wrap actually extends over - the right boundary. This character is allowed to display, even though it - is technically outside or straddling the clipping ectangle since it is in - the normal case not visible and is in any case appropriately clipped by - the scanner." - - "self fillLeading." - ^ true ! Item was removed: - ----- Method: MultiCanvasCharacterScanner>>displayLine:offset:leftInRun: (in category 'scanning') ----- - displayLine: textLine offset: offset leftInRun: leftInRun - | nowLeftInRun done startLoc startIndex stopCondition | - "largely copied from DisplayScanner's routine" - - line := textLine. - foregroundColor ifNil: [ foregroundColor := Color black ]. - leftMargin := (line leftMarginForAlignment: alignment) + offset x. - - rightMargin := line rightMargin + offset x. - lineY := line top + offset y. - lastIndex := textLine first. - leftInRun <= 0 - ifTrue: [self setStopConditions. "also sets the font" - nowLeftInRun := text runLengthFor: lastIndex] - ifFalse: [nowLeftInRun := leftInRun]. - runX := destX := leftMargin. - - runStopIndex := lastIndex + (nowLeftInRun - 1) min: line last. - spaceCount := 0. - done := false. - - [done] whileFalse: [ - "remember where this portion of the line starts" - startLoc := destX@destY. - startIndex := lastIndex. - - "find the end of this portion of the line" - stopCondition := self scanCharactersFrom: lastIndex to: runStopIndex - in: text string rightX: rightMargin stopConditions: stopConditions - kern: kern "displaying: false". - - "display that portion of the line" - canvas drawString: text string - from: startIndex to: lastIndex - at: startLoc - font: font - color: foregroundColor. - - "handle the stop condition" - done := self perform: stopCondition - ]. - - ^runStopIndex - lastIndex! Item was removed: - ----- Method: MultiCanvasCharacterScanner>>doesDisplaying (in category 'private') ----- - doesDisplaying - ^false "it doesn't do displaying using copyBits"! Item was removed: - ----- Method: MultiCanvasCharacterScanner>>endOfRun (in category 'stop conditions') ----- - endOfRun - "The end of a run in the display case either means that there is actually - a change in the style (run code) to be associated with the string or the - end of this line has been reached." - | runLength | - - lastIndex = line last ifTrue: [^true]. - runX := destX. - runLength := text runLengthFor: (lastIndex := lastIndex + 1). - runStopIndex := lastIndex + (runLength - 1) min: line last. - self setStopConditions. - ^ false! Item was removed: - ----- Method: MultiCanvasCharacterScanner>>paddedSpace (in category 'stop conditions') ----- - paddedSpace - "Each space is a stop condition when the alignment is right justified. - Padding must be added to the base width of the space according to - which space in the line this space is and according to the amount of - space that remained at the end of the line when it was composed." - - destX := destX + spaceWidth + (line justifiedPadFor: spaceCount). - - lastIndex := lastIndex + 1. - ^ false! Item was removed: - ----- Method: MultiCanvasCharacterScanner>>setFont (in category 'private') ----- - setFont - foregroundColor ifNil: [foregroundColor := Color black]. - super setFont. - baselineY := lineY + line baseline. - destY := baselineY - font ascent.! Item was removed: - ----- Method: MultiCanvasCharacterScanner>>setStopConditions (in category 'stop conditions') ----- - setStopConditions - "Set the font and the stop conditions for the current run." - - self setFont. - self setConditionArray: (textStyle alignment = Justified ifTrue: [#paddedSpace]). - ! Item was removed: - ----- Method: MultiCanvasCharacterScanner>>tab (in category 'stop conditions') ----- - tab - - destX := (alignment == Justified and: [self leadingTab not]) - ifTrue: "imbedded tabs in justified text are weird" - [destX + (textStyle tabWidth - (line justifiedTabDeltaFor: spaceCount)) max: destX] - ifFalse: - [textStyle nextTabXFrom: destX - leftMargin: leftMargin - rightMargin: rightMargin]. - - lastIndex := lastIndex + 1. - ^ false! Item was removed: - ----- Method: MultiCanvasCharacterScanner>>textColor: (in category 'private') ----- - textColor: color - foregroundColor := color! Item was removed: - MultiCharacterScanner subclass: #MultiCharacterBlockScanner - instanceVariableNames: 'characterPoint characterIndex lastCharacter lastCharacterExtent lastSpaceOrTabExtent nextLeftMargin specialWidth' - classVariableNames: '' - poolDictionaries: '' - category: 'Etoys-Squeakland-Multilingual-Scanning'! Item was removed: - ----- Method: MultiCharacterBlockScanner>>buildCharacterBlockIn: (in category 'private') ----- - buildCharacterBlockIn: para - | lineIndex runLength lineStop done stopCondition | - "handle nullText" - (para numberOfLines = 0 or: [text size = 0]) - ifTrue: [^ CharacterBlock new stringIndex: 1 "like being off end of string" - text: para text - topLeft: (para leftMarginForDisplayForLine: 1 alignment: (alignment ifNil:[textStyle alignment])) - @ para compositionRectangle top - extent: 0 @ textStyle lineGrid]. - "find the line" - lineIndex := para lineIndexOfTop: characterPoint y. - destY := para topAtLineIndex: lineIndex. - line := para lines at: lineIndex. - rightMargin := para rightMarginForDisplay. - - (lineIndex = para numberOfLines and: - [(destY + line lineHeight) < characterPoint y]) - ifTrue: ["if beyond lastLine, force search to last character" - self characterPointSetX: rightMargin] - ifFalse: [characterPoint y < (para compositionRectangle) top - ifTrue: ["force search to first line" - characterPoint := (para compositionRectangle) topLeft]. - characterPoint x > rightMargin - ifTrue: [self characterPointSetX: rightMargin]]. - destX := (leftMargin := para leftMarginForDisplayForLine: lineIndex alignment: (alignment ifNil:[textStyle alignment])). - nextLeftMargin := para leftMarginForDisplayForLine: lineIndex+1 alignment: (alignment ifNil:[textStyle alignment]). - lastIndex := line first. - - self setStopConditions. "also sets font" - runLength := (text runLengthFor: line first). - characterIndex == nil - ifTrue: [lineStop := line last "characterBlockAtPoint"] - ifFalse: [lineStop := characterIndex "characterBlockForIndex"]. - (runStopIndex := lastIndex + (runLength - 1)) > lineStop - ifTrue: [runStopIndex := lineStop]. - lastCharacterExtent := 0 @ line lineHeight. - spaceCount := 0. done := false. - self handleIndentation. - - [done] - whileFalse: - [stopCondition := self scanCharactersFrom: lastIndex to: runStopIndex - in: text string rightX: characterPoint x - stopConditions: stopConditions kern: kern. - - "see setStopConditions for stopping conditions for character block operations." - self lastCharacterExtentSetX: (font widthOf: (text at: lastIndex)). - (self perform: stopCondition) ifTrue: - [characterIndex == nil - ifTrue: ["characterBlockAtPoint" - ^ CharacterBlock new stringIndex: lastIndex text: text - topLeft: characterPoint + (font descentKern @ 0) - extent: lastCharacterExtent] - ifFalse: ["characterBlockForIndex" - ^ CharacterBlock new stringIndex: lastIndex text: text - topLeft: characterPoint + ((font descentKern) - kern @ 0) - extent: lastCharacterExtent]]]! Item was removed: - ----- Method: MultiCharacterBlockScanner>>characterBlockAtPoint:in: (in category 'scanning') ----- - characterBlockAtPoint: aPoint in: aParagraph - "Answer a CharacterBlock for character in aParagraph at point aPoint. It - is assumed that aPoint has been transformed into coordinates appropriate - to the text's destination form rectangle and the composition rectangle." - - self initializeFromParagraph: aParagraph clippedBy: aParagraph clippingRectangle. - characterPoint := aPoint. - ^self buildCharacterBlockIn: aParagraph! Item was removed: - ----- Method: MultiCharacterBlockScanner>>characterBlockAtPoint:index:in: (in category 'scanning') ----- - characterBlockAtPoint: aPoint index: index in: textLine - "This method is the Morphic characterBlock finder. It combines - MVC's characterBlockAtPoint:, -ForIndex:, and buildCharcterBlock:in:" - | runLength lineStop done stopCondition | - line := textLine. - rightMargin := line rightMargin. - lastIndex := line first. - self setStopConditions. "also sets font" - characterIndex := index. " == nil means scanning for point" - characterPoint := aPoint. - (characterPoint isNil or: [characterPoint y > line bottom]) - ifTrue: [characterPoint := line bottomRight]. - (text isEmpty or: [(characterPoint y < line top or: [characterPoint x < line left]) - or: [characterIndex notNil and: [characterIndex < line first]]]) - ifTrue: [^ (CharacterBlock new stringIndex: line first text: text - topLeft: line leftMargin@line top extent: 0 @ textStyle lineGrid) - textLine: line]. - destX := leftMargin := line leftMarginForAlignment: alignment. - destY := line top. - runLength := text runLengthFor: line first. - characterIndex - ifNotNil: [lineStop := characterIndex "scanning for index"] - ifNil: [lineStop := line last "scanning for point"]. - runStopIndex := lastIndex + (runLength - 1) min: lineStop. - lastCharacterExtent := 0 @ line lineHeight. - spaceCount := 0. - - done := false. - [done] whileFalse: - [stopCondition := self scanCharactersFrom: lastIndex to: runStopIndex - in: text string rightX: characterPoint x - stopConditions: stopConditions kern: kern. - "see setStopConditions for stopping conditions for character block operations." - self lastCharacterExtentSetX: (specialWidth - ifNil: [font widthOf: (text at: lastIndex)] - ifNotNil: [specialWidth]). - (self perform: stopCondition) ifTrue: - [characterIndex - ifNil: [ - "Result for characterBlockAtPoint: " - (stopCondition ~~ #cr and: [ lastIndex == line last - and: [ aPoint x > ((characterPoint x) + (lastCharacterExtent x / 2)) ]]) - ifTrue: [ "Correct for right half of last character in line" - ^ (CharacterBlock new stringIndex: lastIndex + 1 - text: text - topLeft: characterPoint + (lastCharacterExtent x @ 0) + (font descentKern @ 0) - extent: 0 @ lastCharacterExtent y) - textLine: line ]. - ^ (CharacterBlock new stringIndex: lastIndex - text: text topLeft: characterPoint + (font descentKern @ 0) - extent: lastCharacterExtent - (font baseKern @ 0)) - textLine: line] - ifNotNil: ["Result for characterBlockForIndex: " - ^ (CharacterBlock new stringIndex: characterIndex - text: text topLeft: characterPoint + ((font descentKern) - kern @ 0) - extent: lastCharacterExtent) - textLine: line]]]! Item was removed: - ----- Method: MultiCharacterBlockScanner>>characterBlockForIndex:in: (in category 'scanning') ----- - characterBlockForIndex: targetIndex in: aParagraph - "Answer a CharacterBlock for character in aParagraph at targetIndex. The - coordinates in the CharacterBlock will be appropriate to the intersection - of the destination form rectangle and the composition rectangle." - - self - initializeFromParagraph: aParagraph - clippedBy: aParagraph clippingRectangle. - characterIndex := targetIndex. - characterPoint := - aParagraph rightMarginForDisplay @ - (aParagraph topAtLineIndex: - (aParagraph lineIndexOfCharacterIndex: characterIndex)). - ^self buildCharacterBlockIn: aParagraph! Item was removed: - ----- Method: MultiCharacterBlockScanner>>characterPointSetX: (in category 'private') ----- - characterPointSetX: xVal - characterPoint := xVal @ characterPoint y! Item was removed: - ----- Method: MultiCharacterBlockScanner>>cr (in category 'stop conditions') ----- - cr - "Answer a CharacterBlock that specifies the current location of the mouse - relative to a carriage return stop condition that has just been - encountered. The ParagraphEditor convention is to denote selections by - CharacterBlocks, sometimes including the carriage return (cursor is at - the end) and sometimes not (cursor is in the middle of the text)." - - ((characterIndex ~= nil - and: [characterIndex > text size]) - or: [(line last = text size) - and: [(destY + line lineHeight) < characterPoint y]]) - ifTrue: ["When off end of string, give data for next character" - destY := destY + line lineHeight. - baselineY := line lineHeight. - lastCharacter := nil. - characterPoint := (nextLeftMargin ifNil: [leftMargin]) @ destY. - lastIndex := lastIndex + 1. - self lastCharacterExtentSetX: 0. - ^ true]. - lastCharacter := CR. - characterPoint := destX @ destY. - self lastCharacterExtentSetX: rightMargin - destX. - ^true! Item was removed: - ----- Method: MultiCharacterBlockScanner>>crossedX (in category 'stop conditions') ----- - crossedX - "Text display has wrapping. The scanner just found a character past the x - location of the cursor. We know that the cursor is pointing at a character - or before one." - - | leadingTab currentX | - characterIndex == nil ifFalse: [ - "If the last character of the last line is a space, - and it crosses the right margin, then locating - the character block after it is impossible without this hack." - characterIndex > text size ifTrue: [ - lastIndex := characterIndex. - characterPoint := (nextLeftMargin ifNil: [leftMargin]) @ (destY + line lineHeight). - ^true]]. - characterPoint x <= (destX + (lastCharacterExtent x // 2)) - ifTrue: [lastCharacter := (text at: lastIndex). - characterPoint := destX @ destY. - ^true]. - lastIndex >= line last - ifTrue: [lastCharacter := (text at: line last). - characterPoint := destX @ destY. - ^true]. - - "Pointing past middle of a character, return the next character." - lastIndex := lastIndex + 1. - lastCharacter := text at: lastIndex. - currentX := destX + lastCharacterExtent x + kern. - self lastCharacterExtentSetX: (font widthOf: lastCharacter). - characterPoint := currentX @ destY. - lastCharacter = Space ifFalse: [^ true]. - - "Yukky if next character is space or tab." - alignment = Justified ifTrue: - [self lastCharacterExtentSetX: - (lastCharacterExtent x + (line justifiedPadFor: (spaceCount + 1))). - ^ true]. - - true ifTrue: [^ true]. - "NOTE: I find no value to the following code, and so have defeated it - DI" - - "See tabForDisplay for illumination on the following awfulness." - leadingTab := true. - line first to: lastIndex - 1 do: - [:index | (text at: index) ~= Tab ifTrue: [leadingTab := false]]. - (alignment ~= Justified or: [leadingTab]) - ifTrue: [self lastCharacterExtentSetX: (textStyle nextTabXFrom: currentX - leftMargin: leftMargin rightMargin: rightMargin) - - currentX] - ifFalse: [self lastCharacterExtentSetX: (((currentX + (textStyle tabWidth - - (line justifiedTabDeltaFor: spaceCount))) - - currentX) max: 0)]. - ^ true! Item was removed: - ----- Method: MultiCharacterBlockScanner>>endOfRun (in category 'stop conditions') ----- - endOfRun - "Before arriving at the cursor location, the selection has encountered an - end of run. Answer false if the selection continues, true otherwise. Set - up indexes for building the appropriate CharacterBlock." - - | runLength lineStop | - (((characterIndex ~~ nil and: - [runStopIndex < characterIndex and: [runStopIndex < text size]]) - or: [characterIndex == nil and: [lastIndex < line last]]) or: [ - ((lastIndex < line last) - and: [((text at: lastIndex) leadingChar ~= (text at: lastIndex+1) leadingChar) - and: [lastIndex ~= characterIndex]])]) - ifTrue: ["We're really at the end of a real run." - runLength := (text runLengthFor: (lastIndex := lastIndex + 1)). - characterIndex ~~ nil - ifTrue: [lineStop := characterIndex "scanning for index"] - ifFalse: [lineStop := line last "scanning for point"]. - (runStopIndex := lastIndex + (runLength - 1)) > lineStop - ifTrue: [runStopIndex := lineStop]. - self setStopConditions. - ^false]. - - lastCharacter := text at: lastIndex. - characterPoint := destX @ destY. - ((lastCharacter = Space and: [alignment = Justified]) - or: [lastCharacter = Tab and: [lastSpaceOrTabExtent notNil]]) - ifTrue: [lastCharacterExtent := lastSpaceOrTabExtent]. - characterIndex ~~ nil - ifTrue: ["If scanning for an index and we've stopped on that index, - then we back destX off by the width of the character stopped on - (it will be pointing at the right side of the character) and return" - runStopIndex = characterIndex - ifTrue: [self characterPointSetX: destX - lastCharacterExtent x. - ^true]. - "Otherwise the requested index was greater than the length of the - string. Return string size + 1 as index, indicate further that off the - string by setting character to nil and the extent to 0." - lastIndex := lastIndex + 1. - lastCharacter := nil. - self lastCharacterExtentSetX: 0. - ^true]. - - "Scanning for a point and either off the end of the line or off the end of the string." - runStopIndex = text size - ifTrue: ["off end of string" - lastIndex := lastIndex + 1. - lastCharacter := nil. - self lastCharacterExtentSetX: 0. - ^true]. - "just off end of line without crossing x" - lastIndex := lastIndex + 1. - ^true! Item was removed: - ----- Method: MultiCharacterBlockScanner>>indentationLevel: (in category 'scanning') ----- - indentationLevel: anInteger - super indentationLevel: anInteger. - nextLeftMargin := leftMargin. - indentationLevel timesRepeat: [ - nextLeftMargin := textStyle nextTabXFrom: nextLeftMargin - leftMargin: leftMargin - rightMargin: rightMargin]! Item was removed: - ----- Method: MultiCharacterBlockScanner>>lastCharacterExtentSetX: (in category 'private') ----- - lastCharacterExtentSetX: xVal - lastCharacterExtent := xVal @ lastCharacterExtent y! Item was removed: - ----- Method: MultiCharacterBlockScanner>>lastSpaceOrTabExtentSetX: (in category 'private') ----- - lastSpaceOrTabExtentSetX: xVal - lastSpaceOrTabExtent := xVal @ lastSpaceOrTabExtent y! Item was removed: - ----- Method: MultiCharacterBlockScanner>>paddedSpace (in category 'stop conditions') ----- - paddedSpace - "When the line is justified, the spaces will not be the same as the font's - space character. A padding of extra space must be considered in trying - to find which character the cursor is pointing at. Answer whether the - scanning has crossed the cursor." - - | pad | - pad := 0. - spaceCount := spaceCount + 1. - pad := line justifiedPadFor: spaceCount. - lastSpaceOrTabExtent := lastCharacterExtent copy. - self lastSpaceOrTabExtentSetX: spaceWidth + pad. - (destX + lastSpaceOrTabExtent x) >= characterPoint x - ifTrue: [lastCharacterExtent := lastSpaceOrTabExtent copy. - ^self crossedX]. - lastIndex := lastIndex + 1. - destX := destX + lastSpaceOrTabExtent x. - ^ false - ! Item was removed: - ----- Method: MultiCharacterBlockScanner>>placeEmbeddedObject: (in category 'scanning') ----- - placeEmbeddedObject: anchoredMorph - "Workaround: The following should really use #textAnchorType" - anchoredMorph relativeTextAnchorPosition ifNotNil:[^true]. - (super placeEmbeddedObject: anchoredMorph) ifFalse: [^ false]. - specialWidth := anchoredMorph width. - ^ true! Item was removed: - ----- Method: MultiCharacterBlockScanner>>scanMultiCharactersCombiningFrom:to:in:rightX:stopConditions:kern: (in category 'scanning') ----- - scanMultiCharactersCombiningFrom: startIndex to: stopIndex in: sourceString rightX: rightX stopConditions: stops kern: kernDelta - - | encoding f nextDestX maxAscii startEncoding char charValue | - lastIndex := startIndex. - lastIndex > stopIndex ifTrue: [lastIndex := stopIndex. ^ stops at: EndOfRun]. - startEncoding := (sourceString at: startIndex) leadingChar. - font ifNil: [font := (TextConstants at: #DefaultMultiStyle) fontArray at: 1]. - ((font isMemberOf: StrikeFontSet) or: [font isKindOf: TTCFontSet]) ifTrue: [ - [f := font fontArray at: startEncoding + 1] - on: Exception do: [:ex | f := font fontArray at: 1]. - f ifNil: [ f := font fontArray at: 1]. - maxAscii := f maxAscii. - spaceWidth := f widthOf: Space. - ] ifFalse: [ - maxAscii := font maxAscii. - ]. - - [lastIndex <= stopIndex] whileTrue: [ - encoding := (sourceString at: lastIndex) leadingChar. - encoding ~= startEncoding ifTrue: [lastIndex := lastIndex - 1. ^ stops at: EndOfRun]. - char := (sourceString at: lastIndex). - charValue := char charCode. - charValue > maxAscii ifTrue: [charValue := maxAscii]. - (encoding = 0 and: [(stopConditions at: charValue + 1) ~~ nil]) ifTrue: [ - ^ stops at: charValue + 1 - ]. - nextDestX := destX + (self widthOf: char inFont: font). - nextDestX > rightX ifTrue: [^ stops at: CrossedX]. - destX := nextDestX + kernDelta. - lastIndex := lastIndex + 1. - ]. - lastIndex := stopIndex. - ^ stops at: EndOfRun! Item was removed: - ----- Method: MultiCharacterBlockScanner>>setFont (in category 'stop conditions') ----- - setFont - specialWidth := nil. - super setFont! Item was removed: - ----- Method: MultiCharacterBlockScanner>>setStopConditions (in category 'stop conditions') ----- - setStopConditions - "Set the font and the stop conditions for the current run." - - self setFont. - self setConditionArray: (alignment = Justified ifTrue: [#paddedSpace]). - ! Item was removed: - ----- Method: MultiCharacterBlockScanner>>tab (in category 'stop conditions') ----- - tab - | currentX | - currentX := (alignment == Justified and: [self leadingTab not]) - ifTrue: "imbedded tabs in justified text are weird" - [destX + (textStyle tabWidth - (line justifiedTabDeltaFor: spaceCount)) max: destX] - ifFalse: - [textStyle - nextTabXFrom: destX - leftMargin: leftMargin - rightMargin: rightMargin]. - lastSpaceOrTabExtent := lastCharacterExtent copy. - self lastSpaceOrTabExtentSetX: (currentX - destX max: 0). - currentX >= characterPoint x - ifTrue: - [lastCharacterExtent := lastSpaceOrTabExtent copy. - ^ self crossedX]. - destX := currentX. - lastIndex := lastIndex + 1. - ^false! Item was removed: - Object subclass: #MultiCharacterScanner - instanceVariableNames: 'destX lastIndex xTable destY stopConditions text textStyle alignment leftMargin rightMargin font line runStopIndex spaceCount spaceWidth emphasisCode kern indentationLevel wantsColumnBreaks presentation presentationLine numOfComposition baselineY firstDestX' - classVariableNames: 'DefaultStopConditions NilCondition PaddedSpaceCondition SpaceCondition' - poolDictionaries: 'TextConstants' - category: 'Etoys-Squeakland-Multilingual-Scanning'! Item was removed: - ----- Method: MultiCharacterScanner class>>initialize (in category 'class initialization') ----- - initialize - " - MultiCharacterScanner initialize - " - | a | - a := Array new: 258. - a at: 1 + 1 put: #embeddedObject. - a at: Tab asciiValue + 1 put: #tab. - a at: CR asciiValue + 1 put: #cr. - a at: EndOfRun put: #endOfRun. - a at: CrossedX put: #crossedX. - NilCondition := a copy. - DefaultStopConditions := a copy. - - PaddedSpaceCondition := a copy. - PaddedSpaceCondition at: Space asciiValue + 1 put: #paddedSpace. - - SpaceCondition := a copy. - SpaceCondition at: Space asciiValue + 1 put: #space. - ! Item was removed: - ----- Method: MultiCharacterScanner>>addCharToPresentation: (in category 'multilingual scanning') ----- - addCharToPresentation: char - - ! Item was removed: - ----- Method: MultiCharacterScanner>>addEmphasis: (in category 'private') ----- - addEmphasis: code - "Set the bold-ital-under-strike emphasis." - emphasisCode := emphasisCode bitOr: code! Item was removed: - ----- Method: MultiCharacterScanner>>addKern: (in category 'private') ----- - addKern: kernDelta - "Set the current kern amount." - kern := kern + kernDelta! Item was removed: - ----- Method: MultiCharacterScanner>>basicScanCharactersFrom:to:in:rightX:stopConditions:kern: (in category 'scanning') ----- - basicScanCharactersFrom: startIndex to: stopIndex in: sourceString rightX: rightX stopConditions: stops kern: kernDelta - "Primitive. This is the inner loop of text display--but see - scanCharactersFrom: to:rightX: which would get the string, - stopConditions and displaying from the instance. March through source - String from startIndex to stopIndex. If any character is flagged with a - non-nil entry in stops, then return the corresponding value. Determine - width of each character from xTable, indexed by map. - If dextX would exceed rightX, then return stops at: 258. - Advance destX by the width of the character. If stopIndex has been - reached, then return stops at: 257. Optional. - See Object documentation whatIsAPrimitive." - | ascii nextDestX char | - <primitive: 103> - lastIndex := startIndex. - [lastIndex <= stopIndex] - whileTrue: - [char := (sourceString at: lastIndex). - ascii := char asciiValue + 1. - (stops at: ascii) == nil ifFalse: [^stops at: ascii]. - "Note: The following is querying the font about the width - since the primitive may have failed due to a non-trivial - mapping of characters to glyphs or a non-existing xTable." - nextDestX := destX + (font widthOf: char). - nextDestX > rightX ifTrue: [^stops at: CrossedX]. - destX := nextDestX + kernDelta. - lastIndex := lastIndex + 1]. - lastIndex := stopIndex. - ^stops at: EndOfRun! Item was removed: - ----- Method: MultiCharacterScanner>>columnBreak (in category 'scanning') ----- - columnBreak - - ^true! Item was removed: - ----- Method: MultiCharacterScanner>>combinableChar:for: (in category 'scanner methods') ----- - combinableChar: char for: prevEntity - - ! Item was removed: - ----- Method: MultiCharacterScanner>>embeddedObject (in category 'scanning') ----- - embeddedObject - | savedIndex | - savedIndex := lastIndex. - text attributesAt: lastIndex do:[:attr| - attr anchoredMorph ifNotNil:[ - "Following may look strange but logic gets reversed. - If the morph fits on this line we're not done (return false for true) - and if the morph won't fit we're done (return true for false)" - (self placeEmbeddedObject: attr anchoredMorph) ifFalse:[^true]]]. - lastIndex := savedIndex + 1. "for multiple(!!) embedded morphs" - ^false! Item was removed: - ----- Method: MultiCharacterScanner>>handleIndentation (in category 'scanning') ----- - handleIndentation - self indentationLevel timesRepeat: [ - self plainTab]! Item was removed: - ----- Method: MultiCharacterScanner>>indentationLevel (in category 'scanning') ----- - indentationLevel - "return the number of tabs that are currently being placed at the beginning of each line" - ^indentationLevel ifNil:[0]! Item was removed: - ----- Method: MultiCharacterScanner>>indentationLevel: (in category 'scanning') ----- - indentationLevel: anInteger - "set the number of tabs to put at the beginning of each line" - indentationLevel := anInteger! Item was removed: - ----- Method: MultiCharacterScanner>>initialize (in category 'initialize') ----- - initialize - destX := destY := leftMargin := 0.! Item was removed: - ----- Method: MultiCharacterScanner>>initializeFromParagraph:clippedBy: (in category 'private') ----- - initializeFromParagraph: aParagraph clippedBy: clippingRectangle - - text := aParagraph text. - textStyle := aParagraph textStyle. - ! Item was removed: - ----- Method: MultiCharacterScanner>>initializeStringMeasurer (in category 'initialize') ----- - initializeStringMeasurer - stopConditions := Array new: 258. - stopConditions at: CrossedX put: #crossedX. - stopConditions at: EndOfRun put: #endOfRun. - ! Item was removed: - ----- Method: MultiCharacterScanner>>isBreakableAt:in:in: (in category 'scanner methods') ----- - isBreakableAt: index in: sourceString in: encodingClass - - ^ encodingClass isBreakableAt: index in: sourceString. - ! Item was removed: - ----- Method: MultiCharacterScanner>>leadingTab (in category 'scanning') ----- - leadingTab - "return true if only tabs lie to the left" - line first to: lastIndex do: - [:i | (text at: i) == Tab ifFalse: [^ false]]. - ^ true! Item was removed: - ----- Method: MultiCharacterScanner>>measureString:inFont:from:to: (in category 'scanning') ----- - measureString: aString inFont: aFont from: startIndex to: stopIndex - "WARNING: In order to use this method the receiver has to be set up using #initializeStringMeasurer" - destX := destY := lastIndex := 0. - baselineY := aFont ascent. - xTable := aFont xTable. - font := aFont. " added Dec 03, 2004 " - " map := aFont characterToGlyphMap." - self scanCharactersFrom: startIndex to: stopIndex in: aString rightX: 999999 stopConditions: stopConditions kern: 0. - ^destX! Item was removed: - ----- Method: MultiCharacterScanner>>placeEmbeddedObject: (in category 'scanning') ----- - placeEmbeddedObject: anchoredMorph - "Place the anchoredMorph or return false if it cannot be placed. - In any event, advance destX by its width." - | w | - "Workaround: The following should really use #textAnchorType" - anchoredMorph relativeTextAnchorPosition ifNotNil:[^true]. - destX := destX + (w := anchoredMorph width). - (destX > rightMargin and: [(leftMargin + w) <= rightMargin]) - ifTrue: ["Won't fit, but would on next line" - ^ false]. - lastIndex := lastIndex + 1. - self setFont. "Force recalculation of emphasis for next run" - ^ true! Item was removed: - ----- Method: MultiCharacterScanner>>plainTab (in category 'scanning') ----- - plainTab - "This is the basic method of adjusting destX for a tab." - destX := (alignment == Justified and: [self leadingTab not]) - ifTrue: "embedded tabs in justified text are weird" - [destX + (textStyle tabWidth - (line justifiedTabDeltaFor: spaceCount)) max: destX] - ifFalse: - [textStyle nextTabXFrom: destX - leftMargin: leftMargin - rightMargin: rightMargin]! Item was removed: - ----- Method: MultiCharacterScanner>>registerBreakableIndex (in category 'multilingual scanning') ----- - registerBreakableIndex - - "Record left x and character index of the line-wrappable point. - The default implementation here does nothing." - - ^ false. - ! Item was removed: - ----- Method: MultiCharacterScanner>>removeLastCharFromPresentation (in category 'multilingual scanning') ----- - removeLastCharFromPresentation - ! Item was removed: - ----- Method: MultiCharacterScanner>>scanCharactersFrom:to:in:rightX:stopConditions:kern: (in category 'scanning') ----- - scanCharactersFrom: startIndex to: stopIndex in: sourceString rightX: rightX stopConditions: stops kern: kernDelta - - | startEncoding selector | - (sourceString isByteString) ifTrue: [^ self basicScanCharactersFrom: startIndex to: stopIndex in: sourceString rightX: rightX stopConditions: stops kern: kernDelta.]. - - (sourceString isWideString) ifTrue: [ - startIndex > stopIndex ifTrue: [lastIndex := stopIndex. ^ stops at: EndOfRun]. - startEncoding := (sourceString at: startIndex) leadingChar. - selector := EncodedCharSet scanSelectorAt: startEncoding. - ^ self perform: selector withArguments: (Array with: startIndex with: stopIndex with: sourceString with: rightX with: stopConditions with: kernDelta). - ]. - - ^ stops at: EndOfRun - ! Item was removed: - ----- Method: MultiCharacterScanner>>scanJapaneseCharactersFrom:to:in:rightX:stopConditions:kern: (in category 'scanner methods') ----- - scanJapaneseCharactersFrom: startIndex to: stopIndex in: sourceString rightX: rightX stopConditions: stops kern: kernDelta - - | ascii encoding f nextDestX maxAscii startEncoding | - lastIndex := startIndex. - lastIndex > stopIndex ifTrue: [lastIndex := stopIndex. ^ stops at: EndOfRun]. - startEncoding := (sourceString at: startIndex) leadingChar. - font ifNil: [font := (TextConstants at: #DefaultMultiStyle) fontArray at: 1]. - ((font isMemberOf: StrikeFontSet) or: [font isKindOf: TTCFontSet]) ifTrue: [ - [f := font fontArray at: startEncoding + 1] - on: Exception do: [:ex | f := font fontArray at: 1]. - f ifNil: [ f := font fontArray at: 1]. - maxAscii := f maxAscii. - "xTable := f xTable. - maxAscii := xTable size - 2." - spaceWidth := f widthOf: Space. - ] ifFalse: [ - (font isMemberOf: HostFont) ifTrue: [ - f := font. - maxAscii := f maxAscii. - spaceWidth := f widthOf: Space. - ] ifFalse: [ - maxAscii := font maxAscii. - ]. - ]. - [lastIndex <= stopIndex] whileTrue: [ - "self halt." - encoding := (sourceString at: lastIndex) leadingChar. - encoding ~= startEncoding ifTrue: [lastIndex := lastIndex - 1. ^ stops at: EndOfRun]. - ascii := (sourceString at: lastIndex) charCode. - ascii > maxAscii ifTrue: [ascii := maxAscii]. - (encoding = 0 and: [(stopConditions at: ascii + 1) ~~ nil]) ifTrue: [^ stops at: ascii + 1]. - (self isBreakableAt: lastIndex in: sourceString in: (EncodedCharSet charsetAt: encoding)) ifTrue: [ - self registerBreakableIndex. - ]. - nextDestX := destX + (font widthOf: (sourceString at: lastIndex)). - nextDestX > rightX ifTrue: [firstDestX ~= destX ifTrue: [^ stops at: CrossedX]]. - destX := nextDestX + kernDelta. - lastIndex := lastIndex + 1. - ]. - lastIndex := stopIndex. - ^ stops at: EndOfRun! Item was removed: - ----- Method: MultiCharacterScanner>>scanMultiCharactersCombiningFrom:to:in:rightX:stopConditions:kern: (in category 'scanner methods') ----- - scanMultiCharactersCombiningFrom: startIndex to: stopIndex in: sourceString rightX: rightX stopConditions: stops kern: kernDelta - - | charCode encoding f maxAscii startEncoding combining combined combiningIndex c | - lastIndex := startIndex. - lastIndex > stopIndex ifTrue: [lastIndex := stopIndex. ^ stops at: EndOfRun]. - startEncoding := (sourceString at: startIndex) leadingChar. - font ifNil: [font := (TextConstants at: #DefaultMultiStyle) fontArray at: 1]. - ((font isMemberOf: StrikeFontSet) or: [font isKindOf: TTCFontSet]) ifTrue: [ - [f := font fontArray at: startEncoding + 1] - on: Exception do: [:ex | f := font fontArray at: 1]. - f ifNil: [ f := font fontArray at: 1]. - maxAscii := f maxAscii. - spaceWidth := font widthOf: Space. - ] ifFalse: [ - maxAscii := font maxAscii. - spaceWidth := font widthOf: Space. - ]. - - combining := nil. - [lastIndex <= stopIndex] whileTrue: [ - charCode := (sourceString at: lastIndex) charCode. - c := (sourceString at: lastIndex). - combining ifNil: [ - combining := CombinedChar new. - combining add: c. - combiningIndex := lastIndex. - lastIndex := lastIndex + 1. - ] ifNotNil: [ - (combining add: c) ifFalse: [ - self addCharToPresentation: (combined := combining combined). - combining := CombinedChar new. - combining add: c. - charCode := combined charCode. - encoding := combined leadingChar. - encoding ~= startEncoding ifTrue: [lastIndex := lastIndex - 1. - (encoding = 0 and: [(stopConditions at: charCode + 1) ~~ nil]) ifTrue: [ - ^ stops at: charCode + 1 - ] ifFalse: [ - ^ stops at: EndOfRun - ]. - ]. - charCode > maxAscii ifTrue: [charCode := maxAscii]. - "" - (encoding = 0 and: [(stopConditions at: charCode + 1) ~~ nil]) ifTrue: [ - combining ifNotNil: [ - self addCharToPresentation: (combining combined). - ]. - ^ stops at: charCode + 1 - ]. - (self isBreakableAt: lastIndex in: sourceString in: Latin1Environment) ifTrue: [ - self registerBreakableIndex. - ]. - destX > rightX ifTrue: [ - destX ~= firstDestX ifTrue: [ - lastIndex := combiningIndex. - self removeLastCharFromPresentation. - ^ stops at: CrossedX]]. - combiningIndex := lastIndex. - lastIndex := lastIndex + 1. - ] ifTrue: [ - lastIndex := lastIndex + 1. - numOfComposition := numOfComposition + 1. - ]. - ]. - ]. - lastIndex := stopIndex. - combining ifNotNil: [ - combined := combining combined. - self addCharToPresentation: combined. - "assuming that there is always enough space for at least one character". - destX := destX + (self widthOf: combined inFont: font). - ]. - ^ stops at: EndOfRun! Item was removed: - ----- Method: MultiCharacterScanner>>scanMultiCharactersFrom:to:in:rightX:stopConditions:kern: (in category 'scanning') ----- - scanMultiCharactersFrom: startIndex to: stopIndex in: sourceString rightX: rightX stopConditions: stops kern: kernDelta - - | ascii encoding f nextDestX maxAscii startEncoding | - lastIndex := startIndex. - lastIndex > stopIndex ifTrue: [lastIndex := stopIndex. ^ stops at: EndOfRun]. - startEncoding := (sourceString at: startIndex) leadingChar. - font ifNil: [font := (TextConstants at: #DefaultMultiStyle) fontArray at: 1]. - ((font isMemberOf: StrikeFontSet) or: [font isKindOf: TTCFontSet]) ifTrue: [ - [f := font fontArray at: startEncoding + 1] - on: Exception do: [:ex | f := font fontArray at: 1]. - f ifNil: [ f := font fontArray at: 1]. - maxAscii := f maxAscii. - spaceWidth := f widthOf: Space. - ] ifFalse: [ - maxAscii := font maxAscii. - ]. - - [lastIndex <= stopIndex] whileTrue: [ - encoding := (sourceString at: lastIndex) leadingChar. - encoding ~= startEncoding ifTrue: [lastIndex := lastIndex - 1. ^ stops at: EndOfRun]. - ascii := (sourceString at: lastIndex) charCode. - ascii > maxAscii ifTrue: [ascii := maxAscii]. - (encoding = 0 and: [ascii < stopConditions size and: [(stopConditions at: ascii + 1) ~~ nil]]) ifTrue: [^ stops at: ascii + 1]. - (self isBreakableAt: lastIndex in: sourceString in: Latin1Environment) ifTrue: [ - self registerBreakableIndex. - ]. - nextDestX := destX + (font widthOf: (sourceString at: lastIndex)). - nextDestX > rightX ifTrue: [destX ~= firstDestX ifTrue: [^ stops at: CrossedX]]. - destX := nextDestX + kernDelta. - lastIndex := lastIndex + 1. - ]. - lastIndex := stopIndex. - ^ stops at: EndOfRun! Item was removed: - ----- Method: MultiCharacterScanner>>scanMultiCharactersR2LFrom:to:in:rightX:stopConditions:kern: (in category 'scanner methods') ----- - scanMultiCharactersR2LFrom: startIndex to: stopIndex in: sourceString rightX: rightX stopConditions: stops kern: kernDelta - - "Note that 'rightX' really means 'endX' in R2L context. Ie. rightX is usually smaller than destX." - | ascii encoding f nextDestX maxAscii startEncoding | - lastIndex := startIndex. - lastIndex > stopIndex ifTrue: [lastIndex := stopIndex. ^ stops at: EndOfRun]. - startEncoding := (sourceString at: startIndex) leadingChar. - font ifNil: [font := (TextConstants at: #DefaultMultiStyle) fontArray at: 1]. - ((font isMemberOf: StrikeFontSet) or: [font isKindOf: TTCFontSet]) ifTrue: [ - [f := font fontArray at: startEncoding + 1] - on: Exception do: [:ex | f := font fontArray at: 1]. - f ifNil: [ f := font fontArray at: 1]. - maxAscii := f maxAscii. - spaceWidth := f widthOf: Space. - ] ifFalse: [ - maxAscii := font maxAscii. - ]. - - [lastIndex <= stopIndex] whileTrue: [ - encoding := (sourceString at: lastIndex) leadingChar. - encoding ~= startEncoding ifTrue: [lastIndex := lastIndex - 1. ^ stops at: EndOfRun]. - ascii := (sourceString at: lastIndex) charCode. - ascii > maxAscii ifTrue: [ascii := maxAscii]. - (encoding = 0 and: [(stopConditions at: ascii + 1) ~~ nil]) ifTrue: [^ stops at: ascii + 1]. - (self isBreakableAt: lastIndex in: sourceString in: Latin1Environment) ifTrue: [ - self registerBreakableIndex. - ]. - nextDestX := destX - (font widthOf: (sourceString at: lastIndex)). - nextDestX < rightX ifTrue: [^ stops at: CrossedX]. - destX := nextDestX - kernDelta. - lastIndex := lastIndex + 1. - ]. - lastIndex := stopIndex. - ^ stops at: EndOfRun! Item was removed: - ----- Method: MultiCharacterScanner>>scanSimChineseCharactersFrom:to:in:rightX:stopConditions:kern: (in category 'scanner methods') ----- - scanSimChineseCharactersFrom: startIndex to: stopIndex in: sourceString rightX: rightX stopConditions: stops kern: kernDelta - - | ascii encoding f nextDestX maxAscii startEncoding | - lastIndex := startIndex. - lastIndex > stopIndex ifTrue: [lastIndex := stopIndex. ^ stops at: EndOfRun]. - startEncoding := (sourceString at: startIndex) leadingChar. - font ifNil: [font := (TextConstants at: #DefaultMultiStyle) fontArray at: 1]. - ((font isMemberOf: StrikeFontSet) or: [font isKindOf: TTCFontSet]) ifTrue: [ - [f := font fontArray at: startEncoding + 1] - on: Exception do: [:ex | f := font fontArray at: 1]. - f ifNil: [ f := font fontArray at: 1]. - maxAscii := f maxAscii. - "xTable := f xTable. - maxAscii := xTable size - 2." - spaceWidth := f widthOf: Space. - ] ifFalse: [ - (font isMemberOf: HostFont) ifTrue: [ - f := font. - maxAscii := f maxAscii. - spaceWidth := f widthOf: Space. - ] ifFalse: [ - maxAscii := font maxAscii. - ]. - ]. - [lastIndex <= stopIndex] whileTrue: [ - "self halt." - encoding := (sourceString at: lastIndex) leadingChar. - encoding ~= startEncoding ifTrue: [lastIndex := lastIndex - 1. ^ stops at: EndOfRun]. - ascii := (sourceString at: lastIndex) charCode. - ascii > maxAscii ifTrue: [ascii := maxAscii]. - (encoding = 0 and: [(stopConditions at: ascii + 1) ~~ nil]) ifTrue: [^ stops at: ascii + 1]. - (self isBreakableAt: lastIndex in: sourceString in: (EncodedCharSet charsetAt: encoding)) ifTrue: [ - self registerBreakableIndex. - ]. - nextDestX := destX + (font widthOf: (sourceString at: lastIndex)). - nextDestX > rightX ifTrue: [firstDestX ~= destX ifTrue: [^ stops at: CrossedX]]. - destX := nextDestX + kernDelta. - lastIndex := lastIndex + 1. - ]. - lastIndex := stopIndex. - ^ stops at: EndOfRun! Item was removed: - ----- Method: MultiCharacterScanner>>setActualFont: (in category 'private') ----- - setActualFont: aFont - "Set the basal font to an isolated font reference." - - font := aFont! Item was removed: - ----- Method: MultiCharacterScanner>>setAlignment: (in category 'private') ----- - setAlignment: style - alignment := style. - ! Item was removed: - ----- Method: MultiCharacterScanner>>setConditionArray: (in category 'private') ----- - setConditionArray: aSymbol - - aSymbol == #paddedSpace ifTrue: [^stopConditions := PaddedSpaceCondition "copy"]. - "aSymbol == #space ifTrue: [^stopConditions := SpaceCondition copy]." - aSymbol == nil ifTrue: [^stopConditions := NilCondition "copy"]. - self error: 'undefined stopcondition for space character'. - ! Item was removed: - ----- Method: MultiCharacterScanner>>setFont (in category 'private') ----- - setFont - | priorFont | - "Set the font and other emphasis." - priorFont := font. - text == nil ifFalse:[ - emphasisCode := 0. - kern := 0. - indentationLevel := 0. - alignment := textStyle alignment. - font := nil. - (text attributesAt: lastIndex forStyle: textStyle) - do: [:att | att emphasizeScanner: self]]. - font == nil ifTrue: - [self setFont: textStyle defaultFontIndex]. - font := font emphasized: emphasisCode. - priorFont ifNotNil: [destX := destX + priorFont descentKern]. - destX := destX - font descentKern. - "NOTE: next statement should be removed when clipping works" - leftMargin ifNotNil: [destX := destX max: leftMargin]. - kern := kern - font baseKern. - - "Install various parameters from the font." - spaceWidth := font widthOf: Space. - xTable := font xTable. - " map := font characterToGlyphMap." - stopConditions := DefaultStopConditions.! Item was removed: - ----- Method: MultiCharacterScanner>>setFont: (in category 'private') ----- - setFont: fontNumber - "Set the font by number from the textStyle." - - self setActualFont: (textStyle fontAt: fontNumber)! Item was removed: - ----- Method: MultiCharacterScanner>>text:textStyle: (in category 'private') ----- - text: t textStyle: ts - text := t. - textStyle := ts! Item was removed: - ----- Method: MultiCharacterScanner>>textColor: (in category 'private') ----- - textColor: ignored - "Overridden in DisplayScanner"! Item was removed: - ----- Method: MultiCharacterScanner>>wantsColumnBreaks: (in category 'initialize') ----- - wantsColumnBreaks: aBoolean - - wantsColumnBreaks := aBoolean! Item was removed: - ----- Method: MultiCharacterScanner>>widthOf:inFont: (in category 'multilingual scanning') ----- - widthOf: char inFont: aFont - - (char isMemberOf: CombinedChar) ifTrue: [ - ^ aFont widthOf: char base. - ] ifFalse: [ - ^ aFont widthOf: char. - ]. - - - ! Item was removed: - MultiCharacterScanner subclass: #MultiCompositionScanner - instanceVariableNames: 'spaceX lineHeight baseline breakableIndex lineHeightAtBreak baselineAtBreak breakAtSpace lastWidth' - classVariableNames: '' - poolDictionaries: '' - category: 'Etoys-Squeakland-Multilingual-Scanning'! Item was removed: - ----- Method: MultiCompositionScanner>>addCharToPresentation: (in category 'multilingual scanning') ----- - addCharToPresentation: char - - presentation nextPut: char. - lastWidth := self widthOf: char inFont: font. - destX := destX + lastWidth. - ! Item was removed: - ----- Method: MultiCompositionScanner>>columnBreak (in category 'stop conditions') ----- - columnBreak - - "Answer true. Set up values for the text line interval currently being - composed." - - line stop: lastIndex. - presentationLine stop: lastIndex - numOfComposition. - spaceX := destX. - line paddingWidth: rightMargin - spaceX. - presentationLine paddingWidth: rightMargin - spaceX. - ^true! Item was removed: - ----- Method: MultiCompositionScanner>>composeFrom:inRectangle:firstLine:leftSide:rightSide: (in category 'scanning') ----- - composeFrom: startIndex inRectangle: lineRectangle - firstLine: firstLine leftSide: leftSide rightSide: rightSide - "Answer an instance of TextLineInterval that represents the next line in the paragraph." - | runLength done stopCondition | - "Set up margins" - leftMargin := lineRectangle left. - leftSide ifTrue: [leftMargin := leftMargin + - (firstLine ifTrue: [textStyle firstIndent] - ifFalse: [textStyle restIndent])]. - destX := spaceX := leftMargin. - firstDestX := destX. - rightMargin := lineRectangle right. - rightSide ifTrue: [rightMargin := rightMargin - textStyle rightIndent]. - lastIndex := startIndex. "scanning sets last index" - destY := lineRectangle top. - lineHeight := baseline := 0. "Will be increased by setFont" - self setStopConditions. "also sets font" - runLength := text runLengthFor: startIndex. - runStopIndex := (lastIndex := startIndex) + (runLength - 1). - line := (TextLine start: lastIndex stop: 0 internalSpaces: 0 paddingWidth: 0) - rectangle: lineRectangle. - presentationLine := (TextLine start: lastIndex stop: 0 internalSpaces: 0 paddingWidth: 0) - rectangle: lineRectangle. - numOfComposition := 0. - spaceCount := 0. - self handleIndentation. - leftMargin := destX. - line leftMargin: leftMargin. - presentationLine leftMargin: leftMargin. - - presentation := TextStream on: (Text fromString: (WideString new: text size)). - - done := false. - [done] - whileFalse: - [stopCondition := self scanCharactersFrom: lastIndex to: runStopIndex - in: text string rightX: rightMargin stopConditions: stopConditions - kern: kern. - "See setStopConditions for stopping conditions for composing." - (self perform: stopCondition) - ifTrue: [presentationLine lineHeight: lineHeight + textStyle leading - baseline: baseline + textStyle leading. - ^ line lineHeight: lineHeight + textStyle leading - baseline: baseline + textStyle leading]]! Item was removed: - ----- Method: MultiCompositionScanner>>composeLine:fromCharacterIndex:inParagraph: (in category 'scanning') ----- - composeLine: lineIndex fromCharacterIndex: startIndex inParagraph: aParagraph - "Answer an instance of TextLineInterval that represents the next line in the paragraph." - | runLength done stopCondition | - destX := spaceX := leftMargin := aParagraph leftMarginForCompositionForLine: lineIndex. - destY := 0. - rightMargin := aParagraph rightMarginForComposition. - leftMargin >= rightMargin ifTrue: [self error: 'No room between margins to compose']. - lastIndex := startIndex. "scanning sets last index" - lineHeight := textStyle lineGrid. "may be increased by setFont:..." - baseline := textStyle baseline. - baselineY := destY + baseline. - self setStopConditions. "also sets font" - self handleIndentation. - runLength := text runLengthFor: startIndex. - runStopIndex := (lastIndex := startIndex) + (runLength - 1). - line := TextLineInterval - start: lastIndex - stop: 0 - internalSpaces: 0 - paddingWidth: 0. - presentationLine := TextLineInterval - start: lastIndex - stop: 0 - internalSpaces: 0 - paddingWidth: 0. - numOfComposition := 0. - presentation := TextStream on: (Text fromString: (WideString new: text size)). - spaceCount := 0. - done := false. - [done] - whileFalse: - [stopCondition := self scanCharactersFrom: lastIndex to: runStopIndex - in: text string rightX: rightMargin stopConditions: stopConditions - kern: kern. - "See setStopConditions for stopping conditions for composing." - (self perform: stopCondition) - ifTrue: [presentationLine lineHeight: lineHeight + textStyle leading - baseline: baseline + textStyle leading. - ^line lineHeight: lineHeight + textStyle leading - baseline: baseline + textStyle leading]]! Item was removed: - ----- Method: MultiCompositionScanner>>cr (in category 'stop conditions') ----- - cr - "Answer true. Set up values for the text line interval currently being - composed." - - line stop: lastIndex. - presentationLine stop: lastIndex - numOfComposition. - spaceX := destX. - line paddingWidth: rightMargin - spaceX. - presentationLine paddingWidth: rightMargin - spaceX. - ^true! Item was removed: - ----- Method: MultiCompositionScanner>>crossedX (in category 'stop conditions') ----- - crossedX - "There is a word that has fallen across the right edge of the composition - rectangle. This signals the need for wrapping which is done to the last - space that was encountered, as recorded by the space stop condition." - - (breakAtSpace) ifTrue: [ - spaceCount >= 1 ifTrue: - ["The common case. First back off to the space at which we wrap." - line stop: breakableIndex. - presentationLine stop: breakableIndex - numOfComposition. - lineHeight := lineHeightAtBreak. - baseline := baselineAtBreak. - spaceCount := spaceCount - 1. - breakableIndex := breakableIndex - 1. - - "Check to see if any spaces preceding the one at which we wrap. - Double space after punctuation, most likely." - [(spaceCount > 1 and: [(text at: breakableIndex) = Space])] - whileTrue: - [spaceCount := spaceCount - 1. - "Account for backing over a run which might - change width of space." - font := text fontAt: breakableIndex withStyle: textStyle. - breakableIndex := breakableIndex - 1. - spaceX := spaceX - (font widthOf: Space)]. - line paddingWidth: rightMargin - spaceX. - presentationLine paddingWidth: rightMargin - spaceX. - presentationLine internalSpaces: spaceCount. - line internalSpaces: spaceCount] - ifFalse: - ["Neither internal nor trailing spaces -- almost never happens." - lastIndex := lastIndex - 1. - [destX <= rightMargin] - whileFalse: - [destX := destX - (font widthOf: (text at: lastIndex)). - lastIndex := lastIndex - 1]. - spaceX := destX. - line paddingWidth: rightMargin - destX. - presentationLine paddingWidth: rightMargin - destX. - presentationLine stop: (lastIndex max: line first). - line stop: (lastIndex max: line first)]. - ^true - ]. - - (breakableIndex isNil or: [breakableIndex < line first]) ifTrue: [ - "Any breakable point in this line. Just wrap last character." - breakableIndex := lastIndex - 1. - lineHeightAtBreak := lineHeight. - baselineAtBreak := baseline. - ]. - - "It wasn't a space, but anyway this is where we break the line." - line stop: breakableIndex. - presentationLine stop: breakableIndex. - lineHeight := lineHeightAtBreak. - baseline := baselineAtBreak. - ^ true. - ! Item was removed: - ----- Method: MultiCompositionScanner>>endOfRun (in category 'stop conditions') ----- - endOfRun - "Answer true if scanning has reached the end of the paragraph. - Otherwise step conditions (mostly install potential new font) and answer - false." - - | runLength | - lastIndex = text size - ifTrue: [line stop: lastIndex. - presentationLine stop: lastIndex - numOfComposition. - spaceX := destX. - line paddingWidth: rightMargin - destX. - presentationLine paddingWidth: rightMargin - destX. - ^true] - ifFalse: [ - "(text at: lastIndex) charCode = 32 ifTrue: [destX := destX + spaceWidth]." - runLength := (text runLengthFor: (lastIndex := lastIndex + 1)). - runStopIndex := lastIndex + (runLength - 1). - self setStopConditions. - ^false] - ! Item was removed: - ----- Method: MultiCompositionScanner>>forParagraph: (in category 'intialize-release') ----- - forParagraph: aParagraph - "Initialize the receiver for scanning the given paragraph." - - self - initializeFromParagraph: aParagraph - clippedBy: aParagraph clippingRectangle. - ! Item was removed: - ----- Method: MultiCompositionScanner>>getPresentation (in category 'multilingual scanning') ----- - getPresentation - - ^ presentation contents. - - ! Item was removed: - ----- Method: MultiCompositionScanner>>getPresentationLine (in category 'multilingual scanning') ----- - getPresentationLine - - ^ presentationLine. - ! Item was removed: - ----- Method: MultiCompositionScanner>>isBreakableAt:in:in: (in category 'multilingual scanning') ----- - isBreakableAt: index in: sourceString in: encodingClass - - ^ encodingClass isBreakableAt: index in: sourceString. - ! Item was removed: - ----- Method: MultiCompositionScanner>>placeEmbeddedObject: (in category 'stop conditions') ----- - placeEmbeddedObject: anchoredMorph - | descent | - "Workaround: The following should really use #textAnchorType" - anchoredMorph relativeTextAnchorPosition ifNotNil:[^true]. - (super placeEmbeddedObject: anchoredMorph) ifFalse: ["It doesn't fit" - "But if it's the first character then leave it here" - lastIndex < line first ifFalse:[ - line stop: lastIndex-1. - ^ false]]. - descent := lineHeight - baseline. - lineHeight := lineHeight max: anchoredMorph height. - baseline := lineHeight - descent. - line stop: lastIndex. - presentationLine stop: lastIndex - numOfComposition. - ^ true! Item was removed: - ----- Method: MultiCompositionScanner>>presentation (in category 'accessing') ----- - presentation - - ^ presentation. - ! Item was removed: - ----- Method: MultiCompositionScanner>>presentationLine (in category 'accessing') ----- - presentationLine - - ^ presentationLine. - ! Item was removed: - ----- Method: MultiCompositionScanner>>registerBreakableIndex (in category 'multilingual scanning') ----- - registerBreakableIndex - - "Record left x and character index of the line-wrappable point. - Used for wrap-around. Answer whether the character has crossed the - right edge of the composition rectangle of the paragraph." - - (text at: lastIndex) = Character space ifTrue: [ - breakAtSpace := true. - spaceX := destX. - spaceCount := spaceCount + 1. - lineHeightAtBreak := lineHeight. - baselineAtBreak := baseline. - breakableIndex := lastIndex. - destX > rightMargin ifTrue: [^self crossedX]. - ] ifFalse: [ - breakAtSpace := false. - lineHeightAtBreak := lineHeight. - baselineAtBreak := baseline. - breakableIndex := lastIndex - 1. - ]. - ^ false. - ! Item was removed: - ----- Method: MultiCompositionScanner>>removeLastCharFromPresentation (in category 'multilingual scanning') ----- - removeLastCharFromPresentation - - presentation ifNotNil: [ - presentation position: presentation position - 1. - ]. - destX := destX - lastWidth. - ! Item was removed: - ----- Method: MultiCompositionScanner>>rightX (in category 'accessing') ----- - rightX - "Meaningful only when a line has just been composed -- refers to the - line most recently composed. This is a subtrefuge to allow for easy - resizing of a composition rectangle to the width of the maximum line. - Useful only when there is only one line in the form or when each line - is terminated by a carriage return. Handy for sizing menus and lists." - - breakAtSpace ifTrue: [^ spaceX]. - - ^ destX. - ! Item was removed: - ----- Method: MultiCompositionScanner>>setActualFont: (in category 'scanning') ----- - setActualFont: aFont - "Keep track of max height and ascent for auto lineheight" - | descent | - super setActualFont: aFont. - "' ', lastIndex printString, ' ' displayAt: (lastIndex * 15)@0." - lineHeight == nil - ifTrue: [descent := font descent. - baseline := font ascent. - lineHeight := baseline + descent] - ifFalse: [descent := lineHeight - baseline max: font descent. - baseline := baseline max: font ascent. - lineHeight := lineHeight max: baseline + descent]! Item was removed: - ----- Method: MultiCompositionScanner>>setFont (in category 'stop conditions') ----- - setFont - super setFont. - breakAtSpace := false. - wantsColumnBreaks == true ifTrue: [ - stopConditions := stopConditions copy. - stopConditions at: TextComposer characterForColumnBreak asciiValue + 1 put: #columnBreak. - ]. - ! Item was removed: - ----- Method: MultiCompositionScanner>>setStopConditions (in category 'stop conditions') ----- - setStopConditions - "Set the font and the stop conditions for the current run." - - self setFont! Item was removed: - ----- Method: MultiCompositionScanner>>tab (in category 'stop conditions') ----- - tab - "Advance destination x according to tab settings in the paragraph's - textStyle. Answer whether the character has crossed the right edge of - the composition rectangle of the paragraph." - - destX := textStyle - nextTabXFrom: destX leftMargin: leftMargin rightMargin: rightMargin. - destX > rightMargin ifTrue: [^self crossedX]. - lastIndex := lastIndex + 1. - ^false - ! Item was removed: - MultiCharacterScanner subclass: #MultiDisplayScanner - instanceVariableNames: 'bitBlt lineY runX foregroundColor backgroundColor fillBlt lineHeight paragraph paragraphColor morphicOffset ignoreColorChanges' - classVariableNames: '' - poolDictionaries: '' - category: 'Etoys-Squeakland-Multilingual-Scanning'! Item was removed: - ----- Method: MultiDisplayScanner class>>defaultFont (in category 'queries') ----- - defaultFont - ^ TextStyle defaultFont! Item was removed: - ----- Method: MultiDisplayScanner>>cr (in category 'stop conditions') ----- - cr - "When a carriage return is encountered, simply increment the pointer - into the paragraph." - - lastIndex := lastIndex + 1. - ^false! Item was removed: - ----- Method: MultiDisplayScanner>>crossedX (in category 'stop conditions') ----- - crossedX - "This condition will sometimes be reached 'legally' during display, when, - for instance the space that caused the line to wrap actually extends over - the right boundary. This character is allowed to display, even though it - is technically outside or straddling the clipping ectangle since it is in - the normal case not visible and is in any case appropriately clipped by - the scanner." - - ^ true ! Item was removed: - ----- Method: MultiDisplayScanner>>displayLine:offset:leftInRun: (in category 'scanning') ----- - displayLine: textLine offset: offset leftInRun: leftInRun - "The call on the primitive (scanCharactersFrom:to:in:rightX:) will be interrupted according to an array of stop conditions passed to the scanner at which time the code to handle the stop condition is run and the call on the primitive continued until a stop condition returns true (which means the line has terminated). leftInRun is the # of characters left to scan in the current run; when 0, it is time to call setStopConditions." - | done stopCondition nowLeftInRun startIndex string lastPos | - line := textLine. - morphicOffset := offset. - lineY := line top + offset y. - lineHeight := line lineHeight. - rightMargin := line rightMargin + offset x. - lastIndex := line first. - leftInRun <= 0 ifTrue: [self setStopConditions]. - leftMargin := (line leftMarginForAlignment: alignment) + offset x. - destX := runX := leftMargin. - fillBlt == nil ifFalse: - ["Not right" - fillBlt destX: line left destY: lineY - width: line width left height: lineHeight; copyBits]. - lastIndex := line first. - leftInRun <= 0 - ifTrue: [nowLeftInRun := text runLengthFor: lastIndex] - ifFalse: [nowLeftInRun := leftInRun]. - baselineY := lineY + line baseline. - destY := baselineY - font ascent. - runStopIndex := lastIndex + (nowLeftInRun - 1) min: line last. - spaceCount := 0. - done := false. - string := text string. - [done] whileFalse:[ - startIndex := lastIndex. - lastPos := destX@destY. - stopCondition := self scanCharactersFrom: lastIndex to: runStopIndex - in: string rightX: rightMargin stopConditions: stopConditions - kern: kern. - lastIndex >= startIndex ifTrue:[ - font displayString: string on: bitBlt - from: startIndex - "XXXX: The following is an interesting bug. All stopConditions exept #endOfRun - have lastIndex past the last character displayed. #endOfRun sets it *on* the character. - If we display up until lastIndex then we will also display invisible characters like - CR and tab. This problem should be fixed in the scanner (i.e., position lastIndex - consistently) but I don't want to deal with the fallout right now so we keep the - fix minimally invasive." - to: (stopCondition == #endOfRun ifTrue:[lastIndex] ifFalse:[lastIndex-1]) - at: lastPos kern: kern baselineY: baselineY]. - "see setStopConditions for stopping conditions for displaying." - done := self perform: stopCondition. - "lastIndex > runStopIndex ifTrue: [done := true]." - ]. - ^ runStopIndex - lastIndex "Number of characters remaining in the current run"! Item was removed: - ----- Method: MultiDisplayScanner>>displayLines:in:clippedBy: (in category 'MVC-compatibility') ----- - displayLines: linesInterval in: aParagraph clippedBy: visibleRectangle - "The central display routine. The call on the primitive - (scanCharactersFrom:to:in:rightX:) will be interrupted according to an - array of stop conditions passed to the scanner at which time the code to - handle the stop condition is run and the call on the primitive continued - until a stop condition returns true (which means the line has - terminated)." - | runLength done stopCondition leftInRun startIndex string lastPos | - "leftInRun is the # of characters left to scan in the current run; - when 0, it is time to call 'self setStopConditions'" - morphicOffset := 0@0. - leftInRun := 0. - self initializeFromParagraph: aParagraph clippedBy: visibleRectangle. - ignoreColorChanges := false. - paragraph := aParagraph. - foregroundColor := paragraphColor := aParagraph foregroundColor. - backgroundColor := aParagraph backgroundColor. - aParagraph backgroundColor isTransparent - ifTrue: [fillBlt := nil] - ifFalse: [fillBlt := bitBlt copy. "Blt to fill spaces, tabs, margins" - fillBlt sourceForm: nil; sourceOrigin: 0@0. - fillBlt fillColor: aParagraph backgroundColor]. - rightMargin := aParagraph rightMarginForDisplay. - lineY := aParagraph topAtLineIndex: linesInterval first. - bitBlt destForm deferUpdatesIn: visibleRectangle while: [ - linesInterval do: - [:lineIndex | - leftMargin := aParagraph leftMarginForDisplayForLine: lineIndex alignment: (alignment ifNil:[textStyle alignment]). - destX := (runX := leftMargin). - line := aParagraph lines at: lineIndex. - lineHeight := line lineHeight. - fillBlt == nil ifFalse: - [fillBlt destX: visibleRectangle left destY: lineY - width: visibleRectangle width height: lineHeight; copyBits]. - lastIndex := line first. - leftInRun <= 0 - ifTrue: [self setStopConditions. "also sets the font" - leftInRun := text runLengthFor: line first]. - baselineY := lineY + line baseline. - destY := baselineY - font ascent. "Should have happened in setFont" - runLength := leftInRun. - runStopIndex := lastIndex + (runLength - 1) min: line last. - leftInRun := leftInRun - (runStopIndex - lastIndex + 1). - spaceCount := 0. - done := false. - string := text string. - self handleIndentation. - [done] whileFalse:[ - startIndex := lastIndex. - lastPos := destX@destY. - stopCondition := self scanCharactersFrom: lastIndex to: runStopIndex - in: string rightX: rightMargin stopConditions: stopConditions - kern: kern. - lastIndex >= startIndex ifTrue:[ - font displayString: string on: bitBlt - from: startIndex to: lastIndex at: lastPos kern: kern baselineY: baselineY]. - "see setStopConditions for stopping conditions for displaying." - done := self perform: stopCondition]. - fillBlt == nil ifFalse: - [fillBlt destX: destX destY: lineY width: visibleRectangle right-destX height: lineHeight; copyBits]. - lineY := lineY + lineHeight]]! Item was removed: - ----- Method: MultiDisplayScanner>>endOfRun (in category 'stop conditions') ----- - endOfRun - "The end of a run in the display case either means that there is actually - a change in the style (run code) to be associated with the string or the - end of this line has been reached." - | runLength | - lastIndex = line last ifTrue: [^true]. - runX := destX. - runLength := text runLengthFor: (lastIndex := lastIndex + 1). - runStopIndex := lastIndex + (runLength - 1) min: line last. - self setStopConditions. - ^ false! Item was removed: - ----- Method: MultiDisplayScanner>>initializeFromParagraph:clippedBy: (in category 'MVC-compatibility') ----- - initializeFromParagraph: aParagraph clippedBy: clippingRectangle - - super initializeFromParagraph: aParagraph clippedBy: clippingRectangle. - bitBlt := BitBlt asGrafPort toForm: aParagraph destinationForm. - bitBlt sourceX: 0; width: 0. "Init BitBlt so that the first call to a primitive will not fail" - bitBlt combinationRule: Form paint. - bitBlt colorMap: - (Bitmap with: 0 "Assumes 1-bit deep fonts" - with: (bitBlt destForm pixelValueFor: aParagraph foregroundColor)). - bitBlt clipRect: clippingRectangle. - ! Item was removed: - ----- Method: MultiDisplayScanner>>isBreakableAt:in:in: (in category 'multilingual scanning') ----- - isBreakableAt: index in: sourceString in: encodingClass - - ^ false. - ! Item was removed: - ----- Method: MultiDisplayScanner>>paddedSpace (in category 'stop conditions') ----- - paddedSpace - "Each space is a stop condition when the alignment is right justified. - Padding must be added to the base width of the space according to - which space in the line this space is and according to the amount of - space that remained at the end of the line when it was composed." - - spaceCount := spaceCount + 1. - destX := destX + spaceWidth + (line justifiedPadFor: spaceCount). - lastIndex := lastIndex + 1. - ^ false! Item was removed: - ----- Method: MultiDisplayScanner>>placeEmbeddedObject: (in category 'scanning') ----- - placeEmbeddedObject: anchoredMorph - anchoredMorph relativeTextAnchorPosition ifNotNil:[ - anchoredMorph position: - anchoredMorph relativeTextAnchorPosition + - (anchoredMorph owner textBounds origin x @ 0) - - (0@morphicOffset y) + (0@lineY). - ^true - ]. - (super placeEmbeddedObject: anchoredMorph) ifFalse: [^ false]. - anchoredMorph isMorph ifTrue: [ - anchoredMorph position: ((destX - anchoredMorph width)@lineY) - morphicOffset - ] ifFalse: [ - destY := lineY. - baselineY := lineY + anchoredMorph height.. - runX := destX. - anchoredMorph - displayOn: bitBlt destForm - at: destX - anchoredMorph width @ destY - clippingBox: bitBlt clipRect - ]. - ^ true! Item was removed: - ----- Method: MultiDisplayScanner>>plainTab (in category 'stop conditions') ----- - plainTab - | oldX | - oldX := destX. - super plainTab. - fillBlt == nil ifFalse: - [fillBlt destX: oldX destY: destY width: destX - oldX height: font height; copyBits]! Item was removed: - ----- Method: MultiDisplayScanner>>presentationText: (in category 'private') ----- - presentationText: t - - text := t. - ! Item was removed: - ----- Method: MultiDisplayScanner>>scanMultiCharactersCombiningFrom:to:in:rightX:stopConditions:kern: (in category 'multilingual scanning') ----- - scanMultiCharactersCombiningFrom: startIndex to: stopIndex in: sourceString rightX: rightX stopConditions: stops kern: kernDelta - - | encoding f nextDestX maxAscii startEncoding char charValue | - lastIndex := startIndex. - lastIndex > stopIndex ifTrue: [lastIndex := stopIndex. ^ stops at: EndOfRun]. - startEncoding := (sourceString at: startIndex) leadingChar. - font ifNil: [font := (TextConstants at: #DefaultMultiStyle) fontArray at: 1]. - ((font isMemberOf: StrikeFontSet) or: [font isKindOf: TTCFontSet]) ifTrue: [ - [f := font fontArray at: startEncoding + 1] - on: Exception do: [:ex | f := font fontArray at: 1]. - f ifNil: [ f := font fontArray at: 1]. - maxAscii := f maxAscii. - spaceWidth := f widthOf: Space. - ] ifFalse: [ - maxAscii := font maxAscii. - ]. - - [lastIndex <= stopIndex] whileTrue: [ - encoding := (sourceString at: lastIndex) leadingChar. - encoding ~= startEncoding ifTrue: [lastIndex := lastIndex - 1. ^ stops at: EndOfRun]. - char := (sourceString at: lastIndex). - charValue := char charCode. - charValue > maxAscii ifTrue: [charValue := maxAscii]. - (encoding = 0 and: [(stopConditions at: charValue + 1) ~~ nil]) ifTrue: [ - ^ stops at: charValue + 1 - ]. - nextDestX := destX + (self widthOf: char inFont: font). - nextDestX > rightX ifTrue: [^ stops at: CrossedX]. - destX := nextDestX + kernDelta. - lastIndex := lastIndex + 1. - ]. - lastIndex := stopIndex. - ^ stops at: EndOfRun! Item was removed: - ----- Method: MultiDisplayScanner>>setDestForm: (in category 'private') ----- - setDestForm: df - bitBlt setDestForm: df.! Item was removed: - ----- Method: MultiDisplayScanner>>setFont (in category 'private') ----- - setFont - foregroundColor := paragraphColor. - super setFont. "Sets font and emphasis bits, and maybe foregroundColor" - font installOn: bitBlt foregroundColor: foregroundColor backgroundColor: Color transparent. - text ifNotNil:[ - baselineY := lineY + line baseline. - destY := baselineY - font ascent]. - ! Item was removed: - ----- Method: MultiDisplayScanner>>setPort: (in category 'private') ----- - setPort: aBitBlt - "Install the BitBlt to use" - bitBlt := aBitBlt. - bitBlt sourceX: 0; width: 0. "Init BitBlt so that the first call to a primitive will not fail" - bitBlt sourceForm: nil. "Make sure font installation won't be confused" - ! Item was removed: - ----- Method: MultiDisplayScanner>>setStopConditions (in category 'stop conditions') ----- - setStopConditions - "Set the font and the stop conditions for the current run." - - self setFont. - self setConditionArray: (alignment = Justified ifTrue: [#paddedSpace]). - - " - alignment = Justified ifTrue: [ - stopConditions == DefaultStopConditions - ifTrue:[stopConditions := stopConditions copy]. - stopConditions at: Space asciiValue + 1 put: #paddedSpace] - "! Item was removed: - ----- Method: MultiDisplayScanner>>tab (in category 'stop conditions') ----- - tab - self plainTab. - lastIndex := lastIndex + 1. - ^ false! Item was removed: - ----- Method: MultiDisplayScanner>>text:textStyle:foreground:background:fillBlt:ignoreColorChanges: (in category 'private') ----- - text: t textStyle: ts foreground: foreColor background: backColor fillBlt: blt ignoreColorChanges: shadowMode - text := t. - textStyle := ts. - foregroundColor := paragraphColor := foreColor. - (backgroundColor := backColor) isTransparent ifFalse: - [fillBlt := blt. - fillBlt fillColor: backgroundColor]. - ignoreColorChanges := shadowMode! Item was removed: - ----- Method: MultiDisplayScanner>>textColor: (in category 'private') ----- - textColor: textColor - ignoreColorChanges ifTrue: [^ self]. - foregroundColor := textColor! Item was removed: - NewParagraph subclass: #MultiNewParagraph - instanceVariableNames: 'presentationText presentationLines' - classVariableNames: '' - poolDictionaries: 'TextConstants' - category: 'Etoys-Squeakland-Multilingual-Scanning'! Item was removed: - ----- Method: MultiNewParagraph>>displayOn:using:at: (in category 'fonts-display') ----- - displayOn: aCanvas using: displayScanner at: somePosition - "Send all visible lines to the displayScanner for display" - - | visibleRectangle offset leftInRun line | - visibleRectangle := aCanvas clipRect. - offset := somePosition - positionWhenComposed. - leftInRun := 0. - (self lineIndexForPoint: visibleRectangle topLeft) - to: (self lineIndexForPoint: visibleRectangle bottomRight) - do: [:i | line := lines at: i. - self displaySelectionInLine: line on: aCanvas. - line first <= line last ifTrue: - [leftInRun := displayScanner displayLine: line - offset: offset leftInRun: leftInRun]]. - ! Item was removed: - ----- Method: MultiNewParagraph>>displayOnTest:using:at: (in category 'fonts-display') ----- - displayOnTest: aCanvas using: displayScanner at: somePosition - "Send all visible lines to the displayScanner for display" - - | visibleRectangle offset leftInRun line | - (presentationText isNil or: [presentationLines isNil]) ifTrue: [ - ^ self displayOn: aCanvas using: displayScanner at: somePosition. - ]. - visibleRectangle := aCanvas clipRect. - offset := somePosition - positionWhenComposed. - leftInRun := 0. - (self lineIndexForPoint: visibleRectangle topLeft) - to: (self lineIndexForPoint: visibleRectangle bottomRight) - do: [:i | line := presentationLines at: i. - self displaySelectionInLine: line on: aCanvas. - line first <= line last ifTrue: - [leftInRun := displayScanner displayLine: line - offset: offset leftInRun: leftInRun]]. - ! Item was removed: - ----- Method: MultiNewParagraph>>multiComposeLinesFrom:to:delta:into:priorLines:atY: (in category 'composition') ----- - multiComposeLinesFrom: start to: stop delta: delta into: lineColl priorLines: priorLines - atY: startingY - "While the section from start to stop has changed, composition may ripple all the way to the end of the text. However in a rectangular container, if we ever find a line beginning with the same character as before (ie corresponding to delta in the old lines), then we can just copy the old lines from there to the end of the container, with adjusted indices and y-values" - - | newResult composer presentationInfo | - - composer := MultiTextComposer new. - presentationLines := nil. - presentationText := nil. - newResult := composer - multiComposeLinesFrom: start - to: stop - delta: delta - into: lineColl - priorLines: priorLines - atY: startingY - textStyle: textStyle - text: text - container: container - wantsColumnBreaks: wantsColumnBreaks == true. - lines := newResult first asArray. - maxRightX := newResult second. - presentationInfo := composer getPresentationInfo. - presentationLines := presentationInfo first asArray. - presentationText := presentationInfo second. - "maxRightX printString displayAt: 0@0." - ^maxRightX - ! Item was removed: - ----- Method: MultiNewParagraph>>presentationLines (in category 'accessing') ----- - presentationLines - - ^ presentationLines. - ! Item was removed: - ----- Method: MultiNewParagraph>>presentationText (in category 'accessing') ----- - presentationText - - ^ presentationText. - ! Item was removed: - TextComposer subclass: #MultiTextComposer - instanceVariableNames: 'presentation presentationLines' - classVariableNames: '' - poolDictionaries: 'TextConstants' - category: 'Etoys-Squeakland-Multilingual-Scanning'! Item was removed: - ----- Method: MultiTextComposer>>composeEachRectangleIn: (in category 'as yet unclassified') ----- - composeEachRectangleIn: rectangles - - | myLine lastChar | - - 1 to: rectangles size do: [:i | - currCharIndex <= theText size ifFalse: [^false]. - myLine := scanner - composeFrom: currCharIndex - inRectangle: (rectangles at: i) - firstLine: isFirstLine - leftSide: i=1 - rightSide: i=rectangles size. - lines addLast: myLine. - presentationLines addLast: scanner getPresentationLine. - presentation ifNil: [presentation := scanner getPresentation] - ifNotNil: [presentation := presentation, scanner getPresentation]. - actualHeight := actualHeight max: myLine lineHeight. "includes font changes" - currCharIndex := myLine last + 1. - lastChar := theText at: myLine last. - lastChar = Character cr ifTrue: [^#cr]. - wantsColumnBreaks ifTrue: [ - lastChar = TextComposer characterForColumnBreak ifTrue: [^#columnBreak]. - ]. - ]. - ^false! Item was removed: - ----- Method: MultiTextComposer>>getPresentationInfo (in category 'as yet unclassified') ----- - getPresentationInfo - - ^ Array with: presentationLines with: presentation. - ! Item was removed: - ----- Method: MultiTextComposer>>multiComposeLinesFrom:to:delta:into:priorLines:atY:textStyle:text:container:wantsColumnBreaks: (in category 'as yet unclassified') ----- - multiComposeLinesFrom: argStart to: argStop delta: argDelta into: argLinesCollection priorLines: argPriorLines atY: argStartY textStyle: argTextStyle text: argText container: argContainer wantsColumnBreaks: argWantsColumnBreaks - - wantsColumnBreaks := argWantsColumnBreaks. - lines := argLinesCollection. - presentationLines := argLinesCollection copy. - theTextStyle := argTextStyle. - theText := argText. - theContainer := argContainer. - deltaCharIndex := argDelta. - currCharIndex := startCharIndex := argStart. - stopCharIndex := argStop. - prevLines := argPriorLines. - currentY := argStartY. - defaultLineHeight := theTextStyle lineGrid. - maxRightX := theContainer left. - possibleSlide := stopCharIndex < theText size and: [theContainer isMemberOf: Rectangle]. - nowSliding := false. - prevIndex := 1. - scanner := MultiCompositionScanner new text: theText textStyle: theTextStyle. - scanner wantsColumnBreaks: wantsColumnBreaks. - isFirstLine := true. - self composeAllLines. - isFirstLine ifTrue: ["No space in container or empty text" - self - addNullLineWithIndex: startCharIndex - andRectangle: (theContainer topLeft extent: 0@defaultLineHeight) - ] ifFalse: [ - self fixupLastLineIfCR - ]. - ^{lines asArray. maxRightX} - - !

1 0

The Trunk: Kernel-eem.1095.mcz
by commits＠source.squeak.org 13 Apr '17

13 Apr '17

Eliot Miranda uploaded a new version of Kernel to project The Trunk: http://source.squeak.org/trunk/Kernel-eem.1095.mcz ==================== Summary ==================== Name: Kernel-eem.1095 Author: eem Time: 13 April 2017, 2:05:29.158689 pm UUID: 6872c2d8-f3c1-4037-b730-ea2e8fba4ff7 Ancestors: Kernel-eem.1094 Add simulation of directedSuperSend:numArgs:. Clean up the send simulation machinery a little, using quickSend:to:with:lookupIn: and send:to:with:lookupIn: everywhere and replacing send:to:with:startClass:, & send:to:with:super: each of whose last argument is never used, with send:to:with:. Nuke the obsolete tryNamedPrimitive template methods. =============== Diff against Kernel-eem.1094 =============== Item was added: + ----- Method: Context>>directedSuperSend:numArgs: (in category 'instruction decoding') ----- + directedSuperSend: selector numArgs: numArgs + "Simulate the action of bytecodes that send a message with selector, selector, + starting the message lookup in the superclass of the class on top of stack. + The arguments of the message are found in the next numArgs locations on + the stack and the receiver just below them." + + | class receiver arguments | + class := self pop. + arguments := Array new: numArgs. + numArgs to: 1 by: -1 do: [ :i | arguments at: i put: self pop]. + receiver := self pop. + QuickStep == self ifTrue: + [QuickStep := nil. + ^self quickSend: selector to: receiver with: arguments lookupIn: class superclass]. + ^self send: selector to: receiver with: arguments lookupIn: class superclass! Item was changed: ----- Method: Context>>doPrimitive:method:receiver:args: (in category 'private') ----- doPrimitive: primitiveIndex method: meth receiver: receiver args: arguments "Simulate a primitive method whose index is primitiveIndex. The simulated receiver and arguments are given as arguments to this message. If successful, push result and return resuming context, else ^ {errCode, PrimitiveFailToken}. Any primitive which provokes execution needs to be intercepted and simulated to avoid execution running away." | value | "Judicious use of primitive 19 (a null primitive that doesn't do anything) prevents the debugger from entering various run-away activities such as spawning a new process, etc. Injudicious use results in the debugger not being able to debug + interesting code, such as the debugger itself. Hence use primitive 19 with care :-)" - interesting code, such as the debugger itself. hence use primitive 19 with care :-)" "SystemNavigation new browseAllSelect: [:m| m primitive = 19]" primitiveIndex = 19 ifTrue: [ToolSet debugContext: self label:'Code simulation error' contents: nil]. ((primitiveIndex between: 201 and: 222) and: [(self objectClass: receiver) includesBehavior: BlockClosure]) ifTrue: [((primitiveIndex between: 201 and: 205) "BlockClosure>>value[:value:...]" or: [primitiveIndex between: 221 and: 222]) ifTrue: "BlockClosure>>valueNoContextSwitch[:]" [^receiver simulateValueWithArguments: arguments caller: self]. primitiveIndex = 206 ifTrue: "BlockClosure>>valueWithArguments:" [^receiver simulateValueWithArguments: arguments first caller: self]]. primitiveIndex = 83 ifTrue: "afr 9/11/1998 19:50" "Object>>perform:[with:...]" + [^self send: arguments first to: receiver with: arguments allButFirst]. - [^self send: arguments first to: receiver with: arguments allButFirst super: false]. primitiveIndex = 84 ifTrue: "afr 9/11/1998 19:50 & eem 8/18/2009 17:04" "Object>>perform:withArguments:" [^self send: arguments first to: receiver with: (arguments at: 2) lookupIn: (self objectClass: receiver)]. primitiveIndex = 100 ifTrue: "eem 8/18/2009 16:57" "Object>>perform:withArguments:inSuperclass:" [^self send: arguments first to: receiver with: (arguments at: 2) lookupIn: (arguments at: 3)]. "Mutex>>primitiveEnterCriticalSection Mutex>>primitiveTestAndSetOwnershipOfCriticalSection" (primitiveIndex = 186 or: [primitiveIndex = 187]) ifTrue: [| effective | effective := Processor activeProcess effectiveProcess. "active == effective" value := primitiveIndex = 186 ifTrue: [receiver primitiveEnterCriticalSectionOnBehalfOf: effective] ifFalse: [receiver primitiveTestAndSetOwnershipOfCriticalSectionOnBehalfOf: effective]. ^(self isPrimFailToken: value) ifTrue: [value] ifFalse: [self push: value]]. primitiveIndex = 188 ifTrue: "eem 5/27/2008 11:10 Object>>withArgs:executeMethod:" [((self objectClass: (arguments at: 1)) == Array and: [(self objectClass: (arguments at: 2)) includesBehavior: CompiledMethod]) ifFalse: [^self class primitiveFailTokenFor: #'bad argument']. (arguments at: 2) numArgs = (arguments at: 1) size ifFalse: [^self class primitiveFailTokenFor: #'bad number of arguments']. (arguments at: 2) primitive > 0 ifTrue: [(arguments at: 2) isQuick ifTrue: [^self push: (receiver withArgs: (arguments at: 1) executeMethod: (arguments at: 2))]. ^self doPrimitive: (arguments at: 2) primitive method: (arguments at: 2) receiver: receiver args: (arguments at: 1)]. ^Context sender: self receiver: receiver method: (arguments at: 2) arguments: (arguments at: 1)]. primitiveIndex = 118 ifTrue: "[receiver:]tryPrimitive:withArgs:; avoid recursing in the VM" [(arguments size = 3 and: [(self objectClass: arguments second) == SmallInteger and: [(self objectClass: arguments last) == Array]]) ifTrue: [^self doPrimitive: arguments second method: meth receiver: arguments first args: arguments last]. (arguments size = 2 and: [(self objectClass: arguments first) == SmallInteger and: [(self objectClass: arguments last) == Array]]) ifFalse: [^self class primitiveFailTokenFor: nil]. ^self doPrimitive: arguments first method: meth receiver: receiver args: arguments last]. value := primitiveIndex = 120 "FFI method" ifTrue: [(meth literalAt: 1) tryInvokeWithArguments: arguments] ifFalse: [primitiveIndex = 117 "named primitives" ifTrue: [self tryNamedPrimitiveIn: meth for: receiver withArgs: arguments] + ifFalse: "should use self receiver: receiver tryPrimitive: primitiveIndex withArgs: arguments but this is only in later VMs (and appears to be broken)" + [receiver tryPrimitive: primitiveIndex withArgs: arguments]]. - ifFalse: - ["should use self receiver: receiver tryPrimitive: primitiveIndex withArgs: arguments but this is only in later VMs" - receiver tryPrimitive: primitiveIndex withArgs: arguments]]. ^(self isPrimFailToken: value) ifTrue: [value] ifFalse: [self push: value]! Item was changed: ----- Method: Context>>jump:if: (in category 'instruction decoding') ----- jump: distance if: condition "Simulate the action of a 'conditional jump' bytecode whose offset is the + argument, distance, and whose condition is the argument, condition." - argument, distance, and whose condition is the argument, condition." | bool | bool := self pop. + condition == bool + ifTrue: [self jump: distance] + ifFalse: + [(true == bool or: [false == bool]) ifFalse: + [^self send: #mustBeBooleanIn: to: bool with: {self}]]! - (bool == true or: [bool == false]) ifFalse: [ - ^self - send: #mustBeBooleanIn: - to: bool - with: {self} - super: false]. - (bool eqv: condition) ifTrue: [self jump: distance]! Item was added: + ----- Method: Context>>quickSend:to:with:lookupIn: (in category 'controlling') ----- + quickSend: selector to: rcvr with: arguments lookupIn: lookupClass + "Send the given selector with arguments in an environment which closely resembles + the non-simulating environment, with an interjected unwind-protected block to catch + nonlocal returns. Attention: don't get lost!! This beautiful method is originally due to + Hans-Martin Mosner." + | oldSender contextToReturnTo result | + contextToReturnTo := self. + [oldSender := thisContext sender swapSender: self. + result := self object: rcvr perform: selector withArguments: arguments inClass: lookupClass. + thisContext sender swapSender: oldSender] ifCurtailed: + [contextToReturnTo := thisContext sender receiver. "The block context returning nonlocally" + contextToReturnTo pc: contextToReturnTo previousPc. "skip to front of return bytecode causing this unwind" + contextToReturnTo willReturnTopFromMethod ifTrue: + "If it was a returnTop, push the value to be returned. + Otherwise the value is implicit in the bytecode" + [contextToReturnTo push: (thisContext sender tempAt: 1)]. + thisContext swapSender: thisContext home sender. "Make this block return to the method's sender" + contextToReturnTo]. + contextToReturnTo push: result. + ^contextToReturnTo! Item was removed: - ----- Method: Context>>quickSend:to:with:super: (in category 'controlling') ----- - quickSend: selector to: rcvr with: arguments super: superFlag - "Send the given selector with arguments in an environment which closely resembles - the non-simulating environment, with an interjected unwind-protected block to catch - nonlocal returns. Attention: don't get lost!! This beautiful method is due to - Hans-Martin Mosner. Eliot Miranda merely added the mirror primitive code." - | oldSender contextToReturnTo result lookupClass | - contextToReturnTo := self. - lookupClass := superFlag - ifTrue: [self method methodClassAssociation value superclass] - ifFalse: [self objectClass: rcvr]. - [oldSender := thisContext sender swapSender: self. - result := self object: rcvr perform: selector withArguments: arguments inClass: lookupClass. - thisContext sender swapSender: oldSender] ifCurtailed: - [contextToReturnTo := thisContext sender receiver. "The block context returning nonlocally" - contextToReturnTo pc: contextToReturnTo previousPc. "skip to front of return bytecode causing this unwind" - contextToReturnTo willReturnTopFromMethod ifTrue: - "If it was a returnTop, push the value to be returned. - Otherwise the value is implicit in the bytecode" - [contextToReturnTo push: (thisContext sender tempAt: 1)]. - thisContext swapSender: thisContext home sender. "Make this block return to the method's sender" - contextToReturnTo]. - contextToReturnTo push: result. - ^contextToReturnTo! Item was added: + ----- Method: Context>>receiver:tryPrimitive:withArgs: (in category 'private') ----- + receiver: receiver tryPrimitive: primIndex withArgs: argumentArray + "Invoke the primitive with number primIndex, with the receiver and arguments + supplied, answering its result, or, if the primiitve fails, the error code." + + <primitive: 118 error: errorCode> + ^self class primitiveFailTokenFor: errorCode! Item was changed: ----- Method: Context>>return:from: (in category 'instruction decoding') ----- return: value from: aSender "For simulation. Roll back self to aSender and return value from it. Execute any unwind blocks on the way. ASSUMES aSender is a sender of self" + | newTop | + aSender isDead ifTrue: + [^self send: #cannotReturn: to: self with: {value}]. - | newTop ctxt | - aSender isDead ifTrue: [ - ^ self send: #cannotReturn: to: self with: {value} super: false]. newTop := aSender sender. + (self findNextUnwindContextUpTo: newTop) ifNotNil: + [:unwindProtectCtxt| + ^self send: #aboutToReturn:through: to: self with: {value. unwindProtectCtxt}]. - ctxt := self findNextUnwindContextUpTo: newTop. - ctxt ifNotNil: [ - ^ self send: #aboutToReturn:through: to: self with: {value. ctxt} super: false]. self releaseTo: newTop. newTop ifNotNil: [newTop push: value]. + ^newTop! - ^ newTop - ! Item was changed: ----- Method: Context>>send:super:numArgs: (in category 'instruction decoding') ----- send: selector super: superFlag numArgs: numArgs "Simulate the action of bytecodes that send a message with selector, selector. The argument, superFlag, tells whether the receiver of the message was specified with 'super' in the source method. The arguments of the message are found in the top numArgs locations on the stack and the receiver just below them." + | receiver arguments lookupClass | - | receiver arguments | arguments := Array new: numArgs. numArgs to: 1 by: -1 do: [ :i | arguments at: i put: self pop]. receiver := self pop. + lookupClass := superFlag + ifTrue: [method methodClassAssociation value superclass] + ifFalse: [self objectClass: receiver]. QuickStep == self ifTrue: [QuickStep := nil. + ^self quickSend: selector to: receiver with: arguments lookupIn: lookupClass]. + ^self send: selector to: receiver with: arguments lookupIn: lookupClass! - ^self quickSend: selector to: receiver with: arguments super: superFlag]. - ^self send: selector to: receiver with: arguments super: superFlag! Item was added: + ----- Method: Context>>send:to:with: (in category 'controlling') ----- + send: selector to: rcvr with: arguments + "Simulate the action of sending a message with selector arguments to rcvr." + + ^self send: selector to: rcvr with: arguments lookupIn: (self objectClass: rcvr)! Item was removed: - ----- Method: Context>>send:to:with:startClass: (in category 'controlling') ----- - send: selector to: rcvr with: args startClass: startClassOrNil - "Simulate the action of sending a message with selector, selector, and - arguments, args, to receiver. The argument, startClassOrNil, tells whether - the selector should be looked up in startClassOrNil or the class of the receiver." - - | class meth val ctxt | - class := startClassOrNil ifNil: [self objectClass: rcvr]. - meth := class lookupSelector: selector. - meth == nil ifTrue: - [^self - send: #doesNotUnderstand: - to: rcvr - with: (Array with: (Message selector: selector arguments: args)) - startClass: class]. - (args isArray - and: [args size = meth numArgs]) ifFalse: - [^self class primitiveFailTokenFor: nil]. - val := self tryPrimitiveFor: meth receiver: rcvr args: args. - ((self objectClass: val) == Array - and: [val size = 2 - and: [val first == PrimitiveFailToken]]) ifFalse: - [^val]. - (selector == #doesNotUnderstand: - and: [class == ProtoObject]) ifTrue: - [^self error: 'Simulated message ' , (args at: 1) selector, ' not understood']. - ctxt := self activateMethod: meth withArgs: args receiver: rcvr class: class. - ((self objectClass: val) == Array - and: [val size = 2 - and: [val first == PrimitiveFailToken - and: [val last notNil - and: [(ctxt method at: ctxt pc) = 129 "long store temp"]]]]) ifTrue: - [ctxt at: ctxt stackPtr put: val last]. - ^ctxt! Item was removed: - ----- Method: Context>>send:to:with:super: (in category 'controlling') ----- - send: selector to: rcvr with: arguments super: superFlag - "Simulate the action of sending a message with selector arguments - to rcvr. The argument, superFlag, tells whether the receiver of the - message was specified with 'super' in the source method." - - ^self send: selector - to: rcvr - with: arguments - lookupIn: (superFlag - ifTrue: [self method methodClassAssociation value superclass] - ifFalse: [self objectClass: rcvr])! Item was removed: - ----- Method: ProtoObject>>tryNamedPrimitive (in category 'apply primitives') ----- - tryNamedPrimitive - "This method is a template that the Smalltalk simulator uses to - execute primitives. See Object documentation whatIsAPrimitive." - <primitive:'' module:'' error: errorCode> - ^Context primitiveFailTokenFor: errorCode! Item was removed: - ----- Method: ProtoObject>>tryNamedPrimitive: (in category 'apply primitives') ----- - tryNamedPrimitive: arg1 - "This method is a template that the Smalltalk simulator uses to - execute primitives. See Object documentation whatIsAPrimitive." - <primitive:'' module:'' error: errorCode> - ^Context primitiveFailTokenFor: errorCode! Item was removed: - ----- Method: ProtoObject>>tryNamedPrimitive:with: (in category 'apply primitives') ----- - tryNamedPrimitive: arg1 with: arg2 - "This method is a template that the Smalltalk simulator uses to - execute primitives. See Object documentation whatIsAPrimitive." - <primitive:'' module:'' error: errorCode> - ^Context primitiveFailTokenFor: errorCode! Item was removed: - ----- Method: ProtoObject>>tryNamedPrimitive:with:with: (in category 'apply primitives') ----- - tryNamedPrimitive: arg1 with: arg2 with: arg3 - "This method is a template that the Smalltalk simulator uses to - execute primitives. See Object documentation whatIsAPrimitive." - <primitive:'' module:'' error: errorCode> - ^Context primitiveFailTokenFor: errorCode! Item was removed: - ----- Method: ProtoObject>>tryNamedPrimitive:with:with:with: (in category 'apply primitives') ----- - tryNamedPrimitive: arg1 with: arg2 with: arg3 with: arg4 - "This method is a template that the Smalltalk simulator uses to - execute primitives. See Object documentation whatIsAPrimitive." - <primitive:'' module:'' error: errorCode> - ^Context primitiveFailTokenFor: errorCode! Item was removed: - ----- Method: ProtoObject>>tryNamedPrimitive:with:with:with:with: (in category 'apply primitives') ----- - tryNamedPrimitive: arg1 with: arg2 with: arg3 with: arg4 with: arg5 - "This method is a template that the Smalltalk simulator uses to - execute primitives. See Object documentation whatIsAPrimitive." - <primitive:'' module:'' error: errorCode> - ^Context primitiveFailTokenFor: errorCode! Item was removed: - ----- Method: ProtoObject>>tryNamedPrimitive:with:with:with:with:with: (in category 'apply primitives') ----- - tryNamedPrimitive: arg1 with: arg2 with: arg3 with: arg4 with: arg5 with: arg6 - "This method is a template that the Smalltalk simulator uses to - execute primitives. See Object documentation whatIsAPrimitive." - <primitive:'' module:'' error: errorCode> - ^Context primitiveFailTokenFor: errorCode! Item was removed: - ----- Method: ProtoObject>>tryNamedPrimitive:with:with:with:with:with:with: (in category 'apply primitives') ----- - tryNamedPrimitive: arg1 with: arg2 with: arg3 with: arg4 with: arg5 with: arg6 with: arg7 - "This method is a template that the Smalltalk simulator uses to - execute primitives. See Object documentation whatIsAPrimitive." - <primitive:'' module:'' error: errorCode> - ^Context primitiveFailTokenFor: errorCode! Item was removed: - ----- Method: ProtoObject>>tryNamedPrimitive:with:with:with:with:with:with:with: (in category 'apply primitives') ----- - tryNamedPrimitive: arg1 with: arg2 with: arg3 with: arg4 with: arg5 with: arg6 with: arg7 with: arg8 - "This method is a template that the Smalltalk simulator uses to - execute primitives. See Object documentation whatIsAPrimitive." - <primitive:'' module:'' error: errorCode> - ^Context primitiveFailTokenFor: errorCode! Item was changed: ----- Method: ProtoObject>>tryPrimitive:withArgs: (in category 'apply primitives') ----- tryPrimitive: primIndex withArgs: argumentArray + "Invoke the primitive with number primIndex, answering its result, + or, if the primiitve fails, the error code." - "This method is a template that the Smalltalk simulator uses to - execute primitives. See Object documentation whatIsAPrimitive." <primitive: 118 error: errorCode> ^Context primitiveFailTokenFor: errorCode!

1 0

← Newer
1
2
3
4
5
6
7
8
9
...
13
Older →

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

2011

2010

2009

2008

2007

2006

2005

Packages April 2017