THERE_BE_DRAGONS_HERE
ZnInvalidUTF8: Illegal continuation byte for utf-8 encoding
24 July 2019 5:26:33.315521 pm

VM: unix - i686 - linux-gnu - CoInterpreter VMMaker.oscog-eem.2504 uuid: a00b0fad-c04c-47a6-8a11-5dbff110ac11 Jan  5 2019
StackToRegisterMappingCogit VMMaker.oscog-eem.2504 uuid: a00b0fad-c04c-47a6-8a11-5dbff110ac11 Jan  5 2019
VM: 201901051900 https://github.com/OpenSmalltalk/opensmalltalk-vm.git Date: Sat Jan 5 20:00:11 2019 CommitHash: 7a3c6b64 Plugins: 201901051900 https://github.com/OpenSmalltalk/opensmalltalk-vm.git

Image: Pharo7.0.2 [Build information: Pharo-7.0.2+build.152.sha.890f474a81f116ead0e68c8de77790aef4e9a752 (32 Bit)]

ZnUTF8Encoder>>error:
	Receiver: a ZnUTF8Encoder
	Arguments and temporary variables: 
		message: 	'Illegal continuation byte for utf-8 encoding'
	Receiver's instance variables: 
a ZnUTF8Encoder

ZnUTF8Encoder>>errorIllegalContinuationByte
	Receiver: a ZnUTF8Encoder
	Arguments and temporary variables: 

	Receiver's instance variables: 
a ZnUTF8Encoder

[ ((next := stream next ifNil: [ ^ self errorIncomplete ])
	bitAnd: 2r11000000) == 2r10000000
	ifTrue: [ code := (code bitShift: 6) + (next bitAnd: 2r00111111) ]
	ifFalse: [ ^ self errorIllegalContinuationByte ] ] in ZnUTF8Encoder>>nextCodePointFromStream:
	Receiver: a ZnUTF8Encoder
	Arguments and temporary variables: 
<<error during printing>
	Receiver's instance variables: 
a ZnUTF8Encoder

SmallInteger(Integer)>>timesRepeat:
	Receiver: 2
	Arguments and temporary variables: 
		aBlock: 	[ ((next := stream next ifNil: [ ^ self errorIncomplete ])
	bitAnd: 2r1...etc...
		count: 	1
	Receiver's instance variables: 
2

ZnUTF8Encoder>>nextCodePointFromStream:
	Receiver: a ZnUTF8Encoder
	Arguments and temporary variables: 
		stream: 	a ZnBufferedReadStream
		byte: 	233
		next: 	116
		code: 	9
	Receiver's instance variables: 
a ZnUTF8Encoder

ZnUTF8Encoder(ZnCharacterEncoder)>>nextFromStream:
	Receiver: a ZnUTF8Encoder
	Arguments and temporary variables: 
		stream: 	a ZnBufferedReadStream
	Receiver's instance variables: 
a ZnUTF8Encoder

ZnCharacterReadStream>>nextElement
	Receiver: a ZnCharacterReadStream
	Arguments and temporary variables: 

	Receiver's instance variables: 
		stream: 	a ZnBufferedReadStream
		encoder: 	a ZnUTF8Encoder
		peeked: 	nil


ZnCharacterReadStream(ZnEncodedReadStream)>>next
	Receiver: a ZnCharacterReadStream
	Arguments and temporary variables: 

	Receiver's instance variables: 
		stream: 	a ZnBufferedReadStream
		encoder: 	a ZnUTF8Encoder
		peeked: 	nil


SAXDriver(XMLTokenizer)>>next
	Receiver: a SAXDriver
	Arguments and temporary variables: 
		nextChar: 	nil
	Receiver's instance variables: 
		stream: 	a ZnCharacterReadStream
		nestedStreams: 	nil
		entities: 	nil
		externalEntities: 	nil
		parameterEntities: 	nil
		parsingMarkup: 	false
		markedPosition: 	nil
		peekChar: 	nil
		validating: 	true
		nameBuffer: 	a WriteStream
		attributeBuffer: 	a WriteStream
		saxHandler: 	a XMLDOMParser
		scope: 	nil
		useNamespaces: 	false
		validateAttributes: 	false
		languageEnvironment: 	nil


SAXDriver(XMLTokenizer)>>nextAttributeValue
	Receiver: a SAXDriver
	Arguments and temporary variables: 
		delimiterChar: 	$"
		attributeValueStream: 	a WriteStream
		nextChar: 	$'
		nextPeek: 	$'
		referenceString: 	nil
		entity: 	nil
		entityValue: 	nil
	Receiver's instance variables: 
		stream: 	a ZnCharacterReadStream
		nestedStreams: 	nil
		entities: 	nil
		externalEntities: 	nil
		parameterEntities: 	nil
		parsingMarkup: 	false
		markedPosition: 	nil
		peekChar: 	nil
		validating: 	true
		nameBuffer: 	a WriteStream
		attributeBuffer: 	a WriteStream
		saxHandler: 	a XMLDOMParser
		scope: 	nil
		useNamespaces: 	false
		validateAttributes: 	false
		languageEnvironment: 	nil


SAXDriver(XMLTokenizer)>>nextAttributeInto:namespaces:
	Receiver: a SAXDriver
	Arguments and temporary variables: 
		attributes: 	a Dictionary('color'->'Red' 'delta'->'(-26.338720500388376@ -22.481...etc...
		namespaces: 	a Dictionary()
		attrName: 	'name'
		attrValue: 	nil
	Receiver's instance variables: 
		stream: 	a ZnCharacterReadStream
		nestedStreams: 	nil
		entities: 	nil
		externalEntities: 	nil
		parameterEntities: 	nil
		parsingMarkup: 	false
		markedPosition: 	nil
		peekChar: 	nil
		validating: 	true
		nameBuffer: 	a WriteStream
		attributeBuffer: 	a WriteStream
		saxHandler: 	a XMLDOMParser
		scope: 	nil
		useNamespaces: 	false
		validateAttributes: 	false
		languageEnvironment: 	nil


SAXDriver(XMLTokenizer)>>nextTag
	Receiver: a SAXDriver
	Arguments and temporary variables: 
		tagName: 	'point'
		attributes: 	a Dictionary('color'->'Red' 'delta'->'(-26.338720500388376@ -22.481...etc...
		nextChar: 	$n
		namespaces: 	a Dictionary()
	Receiver's instance variables: 
		stream: 	a ZnCharacterReadStream
		nestedStreams: 	nil
		entities: 	nil
		externalEntities: 	nil
		parameterEntities: 	nil
		parsingMarkup: 	false
		markedPosition: 	nil
		peekChar: 	nil
		validating: 	true
		nameBuffer: 	a WriteStream
		attributeBuffer: 	a WriteStream
		saxHandler: 	a XMLDOMParser
		scope: 	nil
		useNamespaces: 	false
		validateAttributes: 	false
		languageEnvironment: 	nil


SAXDriver(XMLTokenizer)>>nextNode
	Receiver: a SAXDriver
	Arguments and temporary variables: 
		nextChar: 	$p
	Receiver's instance variables: 
		stream: 	a ZnCharacterReadStream
		nestedStreams: 	nil
		entities: 	nil
		externalEntities: 	nil
		parameterEntities: 	nil
		parsingMarkup: 	false
		markedPosition: 	nil
		peekChar: 	nil
		validating: 	true
		nameBuffer: 	a WriteStream
		attributeBuffer: 	a WriteStream
		saxHandler: 	a XMLDOMParser
		scope: 	nil
		useNamespaces: 	false
		validateAttributes: 	false
		languageEnvironment: 	nil


SAXDriver(XMLTokenizer)>>nextEntity
	Receiver: a SAXDriver
	Arguments and temporary variables: 
		whitespace: 	' 
'
	Receiver's instance variables: 
		stream: 	a ZnCharacterReadStream
		nestedStreams: 	nil
		entities: 	nil
		externalEntities: 	nil
		parameterEntities: 	nil
		parsingMarkup: 	false
		markedPosition: 	nil
		peekChar: 	nil
		validating: 	true
		nameBuffer: 	a WriteStream
		attributeBuffer: 	a WriteStream
		saxHandler: 	a XMLDOMParser
		scope: 	nil
		useNamespaces: 	false
		validateAttributes: 	false
		languageEnvironment: 	nil


XMLDOMParser(SAXHandler)>>parseDocument
	Receiver: a XMLDOMParser
	Arguments and temporary variables: 

	Receiver's instance variables: 
		document: 	<?xml  version="1.0" encoding="UTF-8" ?>
<drgenius>
<drgeo axes="Fals...etc...
		driver: 	a SAXDriver
		eod: 	false
		entity: 	
<controls wheelX="True" wheelY="True" wheelZ="True"/> 
		stack: 	an OrderedCollection(<?xml  version="1.0" encoding="UTF-8" ?>
<drgenius>...etc...
		incremental: 	false


XMLDOMParser class(SAXHandler class)>>parseDocumentFrom:useNamespaces:
	Receiver: XMLDOMParser
	Arguments and temporary variables: 
		aStream: 	a ZnCharacterReadStream
		aBoolean: 	false
		parser: 	a XMLDOMParser
	Receiver's instance variables: 
		superclass: 	SAXHandler
		methodDict: 	a MethodDictionary(#characters:->XMLDOMParser>>#characters: #defaul...etc...
		format: 	65542
		layout: 	a FixedLayout
		organization: 	a ClassOrganization
		subclasses: 	nil
		name: 	#XMLDOMParser
		classPool: 	a Dictionary()
		sharedPools: 	an OrderedCollection()
		environment: 	a SystemDictionary(lots of globals)
		category: 	#'XML-Parser'


XMLDOMParser class>>parseDocumentFrom:useNamespaces:
	Receiver: XMLDOMParser
	Arguments and temporary variables: 
		aStream: 	a ZnCharacterReadStream
		aBoolean: 	false
	Receiver's instance variables: 
		superclass: 	SAXHandler
		methodDict: 	a MethodDictionary(#characters:->XMLDOMParser>>#characters: #defaul...etc...
		format: 	65542
		layout: 	a FixedLayout
		organization: 	a ClassOrganization
		subclasses: 	nil
		name: 	#XMLDOMParser
		classPool: 	a Dictionary()
		sharedPools: 	an OrderedCollection()
		environment: 	a SystemDictionary(lots of globals)
		category: 	#'XML-Parser'


XMLDOMParser class>>parseDocumentFrom:
	Receiver: XMLDOMParser
	Arguments and temporary variables: 
		aStream: 	a ZnCharacterReadStream
	Receiver's instance variables: 
		superclass: 	SAXHandler
		methodDict: 	a MethodDictionary(#characters:->XMLDOMParser>>#characters: #defaul...etc...
		format: 	65542
		layout: 	a FixedLayout
		organization: 	a ClassOrganization
		subclasses: 	nil
		name: 	#XMLDOMParser
		classPool: 	a Dictionary()
		sharedPools: 	an OrderedCollection()
		environment: 	a SystemDictionary(lots of globals)
		category: 	#'XML-Parser'


DrGeoXml>>loadFrom:for:
	Receiver: a DrGeoXml
	Arguments and temporary variables: 
		stream: 	a ZnCharacterReadStream
		constructor: 	#newFullScreen:
		doc: 	nil
		instances: 	nil
	Receiver's instance variables: 
		app: 	nil


DrGeo class>>fullscreenOn:
	Receiver: DrGeo
	Arguments and temporary variables: 
		stream: 	a ZnCharacterReadStream
		answer: 	nil
	Receiver's instance variables: 
		superclass: 	Object
		methodDict: 	a MethodDictionary(#add:->DrGeo>>#add: #area->DrGeo>>#area #buildVi...etc...
		format: 	65545
		layout: 	a FixedLayout
		organization: 	a ClassOrganization
		subclasses: 	nil
		name: 	#DrGeo
		classPool: 	a Dictionary()
		sharedPools: 	an OrderedCollection()
		environment: 	a SystemDictionary(lots of globals)
		category: 	#'DrGeoII-Core-App'


DrGeo class>>openFigureThumbnail:
	Receiver: DrGeo
	Arguments and temporary variables: 
		parentView: 	nil
		dialog: 	a DrGFileThumbnailDialog(275075072) named: Ouvrir une figure
	Receiver's instance variables: 
		superclass: 	Object
		methodDict: 	a MethodDictionary(#add:->DrGeo>>#add: #area->DrGeo>>#area #buildVi...etc...
		format: 	65545
		layout: 	a FixedLayout
		organization: 	a ClassOrganization
		subclasses: 	nil
		name: 	#DrGeo
		classPool: 	a Dictionary()
		sharedPools: 	an OrderedCollection()
		environment: 	a SystemDictionary(lots of globals)
		category: 	#'DrGeoII-Core-App'


DrGeoPresenter>>openFigureThumbnail
	Receiver: a DrGeoPresenter
	Arguments and temporary variables: 

	Receiver's instance variables: 
		model: 	nil
		tool: 	a DrGSelectTool
		gridStuck: 	false
		isCreateMultipleMode: 	false
		selectedTool: 	#move
		selection: 	nil
		app: 	a DrGeo
		resource: 	a DrGDirectoryLocal
		filename: 	nil
		controlsManager: 	a DrGUIControlsManager


PluggableButtonMorph>>performAction:
	Receiver: a PluggableButtonMorph(181909760)
	Arguments and temporary variables: 
		event: 	[(60@65) mouseUp 36250096 nil]
	Receiver's instance variables: 
		bounds: 	(47.0@46.0) corner: (79.0@76.0)
		owner: 	a PanelMorph(1035815168)
		submorphs: 	an Array(an AlignmentMorph(688851968))
		fullBounds: 	(47@46) corner: (79@76)
		color: 	(Color r: 0.29 g: 0.28800000000000003 b: 0.28800000000000003 alpha: 1.0)...etc...
		extension: 	a MorphExtension (424473600) [balloonText]  [other:  (mouseEntered -...etc...
		borderWidth: 	1
		borderColor: 	#simple
		model: 	a DrGeoPresenter
		label: 	an AlphaImageMorph(417859072)
		icon: 	nil
		getIconSelector: 	nil
		getStateSelector: 	#isTool:
		actionSelector: 	#openFigureThumbnail
		font: 	nil
		getLabelSelector: 	nil
		getMenuSelector: 	nil
		shortcutCharacter: 	nil
		askBeforeChanging: 	false
		triggerOnMouseDown: 	false
		offColor: 	nil
		onColor: 	nil
		feedbackColor: 	nil
		showSelectionFeedback: 	false
		allButtons: 	nil
		arguments: 	#(#open)
		argumentsProvider: 	nil
		argumentsSelector: 	nil
		enabled: 	true
		actionBlock: 	nil
		getColorSelector: 	nil
		getEnabledSelector: 	nil
		getFontSelector: 	nil
		labelMorph: 	an AlphaImageMorph(417859072)
		iconMorph: 	nil
		iconPosition: 	#left
		lastState: 	false


[ :m | 
(m containsPoint: evt cursorPoint)
	ifTrue: [ m enabled
			ifTrue: [ m performAction: evt ] ] ] in PluggableButtonMorph>>mouseUp:
	Receiver: a PluggableButtonMorph(181909760)
	Arguments and temporary variables: 
		evt: 	[(60@65) mouseUp 36250096 nil]
		all: 	an Array(a PluggableButtonMorph(49159680) a PluggableButtonMorph(181909760...etc...
		m: 	a PluggableButtonMorph(181909760)
	Receiver's instance variables: 
		bounds: 	(47.0@46.0) corner: (79.0@76.0)
		owner: 	a PanelMorph(1035815168)
		submorphs: 	an Array(an AlignmentMorph(688851968))
		fullBounds: 	(47@46) corner: (79@76)
		color: 	(Color r: 0.29 g: 0.28800000000000003 b: 0.28800000000000003 alpha: 1.0)...etc...
		extension: 	a MorphExtension (424473600) [balloonText]  [other:  (mouseEntered -...etc...
		borderWidth: 	1
		borderColor: 	#simple
		model: 	a DrGeoPresenter
		label: 	an AlphaImageMorph(417859072)
		icon: 	nil
		getIconSelector: 	nil
		getStateSelector: 	#isTool:
		actionSelector: 	#openFigureThumbnail
		font: 	nil
		getLabelSelector: 	nil
		getMenuSelector: 	nil
		shortcutCharacter: 	nil
		askBeforeChanging: 	false
		triggerOnMouseDown: 	false
		offColor: 	nil
		onColor: 	nil
		feedbackColor: 	nil
		showSelectionFeedback: 	false
		allButtons: 	nil
		arguments: 	#(#open)
		argumentsProvider: 	nil
		argumentsSelector: 	nil
		enabled: 	true
		actionBlock: 	nil
		getColorSelector: 	nil
		getEnabledSelector: 	nil
		getFontSelector: 	nil
		labelMorph: 	an AlphaImageMorph(417859072)
		iconMorph: 	nil
		iconPosition: 	#left
		lastState: 	false


Array(SequenceableCollection)>>do:
	Receiver: an Array(a PluggableButtonMorph(49159680) a PluggableButtonMorph(181909760) a PluggableBut...etc...
	Arguments and temporary variables: 
		aBlock: 	[ :m | 
(m containsPoint: evt cursorPoint)
	ifTrue: [ m enabled
			ifTr...etc...
		index: 	2
	Receiver's instance variables: 
an Array(a PluggableButtonMorph(49159680) a PluggableButtonMorph(181909760) a PluggableBut...etc...

PluggableButtonMorph>>mouseUp:
	Receiver: a PluggableButtonMorph(181909760)
	Arguments and temporary variables: 
		evt: 	[(60@65) mouseUp 36250096 nil]
		all: 	an Array(a PluggableButtonMorph(49159680) a PluggableButtonMorph(181909760...etc...
	Receiver's instance variables: 
		bounds: 	(47.0@46.0) corner: (79.0@76.0)
		owner: 	a PanelMorph(1035815168)
		submorphs: 	an Array(an AlignmentMorph(688851968))
		fullBounds: 	(47@46) corner: (79@76)
		color: 	(Color r: 0.29 g: 0.28800000000000003 b: 0.28800000000000003 alpha: 1.0)...etc...
		extension: 	a MorphExtension (424473600) [balloonText]  [other:  (mouseEntered -...etc...
		borderWidth: 	1
		borderColor: 	#simple
		model: 	a DrGeoPresenter
		label: 	an AlphaImageMorph(417859072)
		icon: 	nil
		getIconSelector: 	nil
		getStateSelector: 	#isTool:
		actionSelector: 	#openFigureThumbnail
		font: 	nil
		getLabelSelector: 	nil
		getMenuSelector: 	nil
		shortcutCharacter: 	nil
		askBeforeChanging: 	false
		triggerOnMouseDown: 	false
		offColor: 	nil
		onColor: 	nil
		feedbackColor: 	nil
		showSelectionFeedback: 	false
		allButtons: 	nil
		arguments: 	#(#open)
		argumentsProvider: 	nil
		argumentsSelector: 	nil
		enabled: 	true
		actionBlock: 	nil
		getColorSelector: 	nil
		getEnabledSelector: 	nil
		getFontSelector: 	nil
		labelMorph: 	an AlphaImageMorph(417859072)
		iconMorph: 	nil
		iconPosition: 	#left
		lastState: 	false


PluggableButtonMorph(Morph)>>handleMouseUp:
	Receiver: a PluggableButtonMorph(181909760)
	Arguments and temporary variables: 
		anEvent: 	[(60@65) mouseUp 36250096 nil]
		result: 	nil
	Receiver's instance variables: 
		bounds: 	(47.0@46.0) corner: (79.0@76.0)
		owner: 	a PanelMorph(1035815168)
		submorphs: 	an Array(an AlignmentMorph(688851968))
		fullBounds: 	(47@46) corner: (79@76)
		color: 	(Color r: 0.29 g: 0.28800000000000003 b: 0.28800000000000003 alpha: 1.0)...etc...
		extension: 	a MorphExtension (424473600) [balloonText]  [other:  (mouseEntered -...etc...
		borderWidth: 	1
		borderColor: 	#simple
		model: 	a DrGeoPresenter
		label: 	an AlphaImageMorph(417859072)
		icon: 	nil
		getIconSelector: 	nil
		getStateSelector: 	#isTool:
		actionSelector: 	#openFigureThumbnail
		font: 	nil
		getLabelSelector: 	nil
		getMenuSelector: 	nil
		shortcutCharacter: 	nil
		askBeforeChanging: 	false
		triggerOnMouseDown: 	false
		offColor: 	nil
		onColor: 	nil
		feedbackColor: 	nil
		showSelectionFeedback: 	false
		allButtons: 	nil
		arguments: 	#(#open)
		argumentsProvider: 	nil
		argumentsSelector: 	nil
		enabled: 	true
		actionBlock: 	nil
		getColorSelector: 	nil
		getEnabledSelector: 	nil
		getFontSelector: 	nil
		labelMorph: 	an AlphaImageMorph(417859072)
		iconMorph: 	nil
		iconPosition: 	#left
		lastState: 	false


MouseButtonEvent>>sentTo:
	Receiver: [(60@65) mouseUp 36250096 nil]
	Arguments and temporary variables: