Note, this error is very hard to reproduce.
It happened only few times when i typing in an OB code pane and method
source is considerably big.
I suspect that this bug is triggered because i'm using a new
scheduler, and uncovers a concurrency issue in
SHParserST80>>styleInBackgroundProcess:.
----------------
Error: attempt to index non-existent element in an ordered collection
2 May 2009 1:39:33 pm
VM: Win32 - a SmalltalkImage
Image: Pharo0.1 [Latest update: #10292]
SecurityManager state:
Restricted: false
FileAccess: true
SocketAccess: true
Working Dir F:\projects\pharo-freetype\Squeak-new-scheduling
Trusted Dir F:\projects\pharo-freetype\Squeak-new-scheduling\sig
Untrusted Dir G:\usr\sig\docs\My Squeak
OrderedCollection(Object)>>error:
Receiver: an OrderedCollection(a SHRange a SHRange a SHRange a
SHRange a SHRange a SHRange a SHRange...etc...
Arguments and temporary variables:
aString: 'attempt to index non-existent element in an
ordered collection'
Receiver's instance variables:
array: an Array(a SHRange a SHRange a SHRange a SHRange a
SHRange a
SHRange a S...etc...
firstIndex: 66
lastIndex: 77
OrderedCollection>>errorNoSuchElement
Receiver: an OrderedCollection(a SHRange a SHRange a SHRange a
SHRange a SHRange a SHRange a SHRange...etc...
Arguments and temporary variables:
Receiver's instance variables:
array: an Array(a SHRange a SHRange a SHRange a SHRange a
SHRange a
SHRange a S...etc...
firstIndex: 66
lastIndex: 77
OrderedCollection>>at:
Receiver: an OrderedCollection(a SHRange a SHRange a SHRange a
SHRange a SHRange a SHRange a SHRange...etc...
Arguments and temporary variables:
anInteger: 130
Receiver's instance variables:
array: an Array(a SHRange a SHRange a SHRange a SHRange a
SHRange a
SHRange a S...etc...
firstIndex: 66
lastIndex: 77
[] in [] in SHParserST80>>parseKeyword
Receiver: a SHParserST80
Arguments and temporary variables:
<<error during printing>
Receiver's instance variables:
classOrMetaClass: AdvancedDelay
source: 'performCommonChecksAt: nowTick
"Perform various checks, each time we...etc...
workspace: nil
arguments: a Dictionary(0->an OrderedCollection('nowTick')
)
sourcePosition: 452
currentToken: 'ScheduledDelay'
currentTokenFirst: $S
temporaries: a Dictionary(0->an OrderedCollection('nowTick'
'nextTick') )
instanceVariables: #('delayDuration' 'resumptionTime'
'waitingProcess' 'beingWa...etc...
errorBlock: [closure] in SHParserST80>>parse:
currentTokenSourcePosition: 438
blockDepth: 0
bracketDepth: 0
ranges: an OrderedCollection(a SHRange a SHRange a
SHRange a
SHRange a SHRange ...etc...
environment: Smalltalk
--- The full stack ---
OrderedCollection(Object)>>error:
OrderedCollection>>errorNoSuchElement
OrderedCollection>>at:
[] in [] in SHParserST80>>parseKeyword
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Array(SequenceableCollection)>>do:
[] in SHParserST80>>parseKeyword
MethodContext(ContextPart)>>unwindTo:
TerminateProcess>>signal
TerminateProcess class>>signalForProcess:abandonedSemaphore:
SystemDictionary(Set)>>do:
SystemDictionary(Dictionary)>>associationsDo:
SystemDictionary(Dictionary)>>keysDo:
SystemDictionary(Dictionary)>>hasBindingThatBeginsWith:
[] in SHParserST80>>resolvePartial:
OrderedCollection>>do:
SHParserST80>>resolvePartial:
SHParserST80>>resolve:
SHParserST80>>parseTerm
[] in SHParserST80>>parseKeyword
BlockClosure>>ensure:
SHParserST80>>parseKeyword
SHParserST80>>parseCascade
SHParserST80>>parseExpression
SHParserST80>>parseStatement
SHParserST80>>parseStatementList
[] in SHParserST80>>parse:
BlockClosure>>ensure:
SHParserST80>>parse:
SHParserST80>>parse
SHParserST80>>rangesIn:classOrMetaClass:workspace:environment:
SHTextStylerST80>>rangesIn:setWorkspace:
SHTextStylerST80>>privateStyle:
[] in [] in SHTextStylerST80(SHTextStyler)>>styleInBackgroundProcess:
[] in BlockClosure>>newProcess
--
Best regards,
Igor Stasenko AKA sig.
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