author | tz |
Wed, 18 Feb 1998 22:24:45 +0100 | |
changeset 649 | 1896945cf5d4 |
parent 327 | 0040d47658c6 |
child 809 | 6f127dd5e578 |
permissions | -rw-r--r-- |
33 | 1 |
"{ NameSpace: NewInspector }" |
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Object subclass:#InspectorList |
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instanceVariableNames:'inspectedObject instanceNames instanceTypes selection' |
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classVariableNames:'' |
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poolDictionaries:'' |
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category:'Inspector' |
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! |
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10 |
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!InspectorList class methodsFor:'instance creation'! |
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for:anObject |
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"create a new list for an instance |
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" |
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38 | 16 |
^ self new inspect:anObject |
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! |
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new |
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"create a new instance and set the inspected object to nil |
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" |
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^ self basicNew initialize. |
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! ! |
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!InspectorList class methodsFor:'helpers'! |
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asString:aCollection |
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"converts any collection to a string seperated by spaces. If |
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the collection is empty or nil, nil is returned otherwise a |
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string. |
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" |
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|string| |
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aCollection isCollection ifTrue:[ |
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aCollection isString ifTrue:[ |
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string := aCollection |
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] ifFalse:[ |
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string := aCollection asStringWith:Character space |
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from:1 to:(aCollection size) |
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compressTabs:true |
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final:nil |
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]. |
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string := string withoutSeparators. |
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string notEmpty ifTrue:[ |
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^ string |
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] |
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]. |
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^ nil |
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33 | 53 |
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! ! |
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!InspectorList class methodsFor:'testing'! |
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isDirectory:anInstance |
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38 | 60 |
"returns true if the instance is a directory |
33 | 61 |
" |
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|cls| |
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anInstance notNil ifTrue:[ |
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cls := anInstance class. |
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cls == Character ifTrue:[ ^ false ]. |
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cls == Symbol ifTrue:[ ^ false ]. |
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cls == String ifTrue:[ ^ false ]. |
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cls allInstVarNames notEmpty ifTrue:[ |
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^ true |
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]. |
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anInstance isVariable ifTrue:[ |
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^ true |
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]. |
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]. |
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^ false |
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38 | 82 |
! |
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isTraceable:anInstance |
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"returns true if the instance could be traced or traped |
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" |
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|cls| |
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anInstance notNil ifTrue:[ |
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cls := anInstance class. |
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^ ( cls ~~ True |
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and:[cls ~~ False |
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and:[cls ~~ SmallInteger]] |
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) |
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]. |
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^ false. |
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33 | 99 |
! ! |
100 |
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!InspectorList methodsFor:'accessing'! |
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includesSelf:aBoolean |
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"includes 'self' dependant on the boolean |
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" |
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(self includesSelf) ~~ aBoolean ifTrue:[ |
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aBoolean ifTrue:[ |
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instanceNames addFirst:'self'. |
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instanceTypes addFirst:#self. |
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38 | 111 |
selection notNil ifTrue:[selection := selection + 1] |
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ifFalse:[selection := 1] |
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33 | 114 |
] ifFalse:[ |
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instanceNames removeFirst. |
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instanceTypes removeFirst. |
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selection isNil ifFalse:[ |
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(selection := selection - 1) == 0 ifTrue:[ |
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selection := nil |
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] |
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] |
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] |
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] |
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! |
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38 | 129 |
list |
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"returns self |
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" |
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^ self |
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! |
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||
33 | 135 |
size |
38 | 136 |
"returns size of list |
33 | 137 |
" |
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^ instanceNames size |
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||
38 | 140 |
! |
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update |
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"update list contents |
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" |
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|start stop size| |
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inspectedObject isVariable ifTrue:[ |
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start := instanceNames findFirst:[:el|(el at:1) isDigit]. |
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stop := instanceTypes size. |
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start == 0 ifTrue:[ |
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size := stop + 10. "must be > 1: force a resize the first time" |
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] ifFalse:[ |
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instanceTypes last ~~ #grow ifTrue:[size := stop] |
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ifFalse:[size := stop-1]. |
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instanceTypes removeFromIndex:start toIndex:stop. |
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instanceNames removeFromIndex:start toIndex:stop. |
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]. |
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self resizeTo:size. |
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] |
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33 | 162 |
! ! |
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!InspectorList methodsFor:'accessing contents'! |
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inspectedObject |
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"returns current inspected object |
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" |
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^ inspectedObject |
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! |
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instanceNames |
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"returns list of instance names |
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" |
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^ instanceNames |
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! |
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instanceTypeAt:anIndex |
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38 | 183 |
"returns type assigned to the list entry (#directory #normal #self #grow) |
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In case of an invalid index nil is returned. |
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33 | 185 |
" |
38 | 186 |
(anIndex isNil or:[anIndex > instanceTypes size]) ifFalse:[^ instanceTypes at:anIndex] |
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ifTrue:[^ nil]. |
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33 | 188 |
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! |
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instanceTypes |
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38 | 193 |
"returns list of types (#directory #normal #self #grow) |
33 | 194 |
" |
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^ instanceTypes |
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! |
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instanceVarAt:anIndex |
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38 | 201 |
"returns the instnace variable assigned to the index or |
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nil in case of an invalid index. |
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33 | 203 |
" |
327
0040d47658c6
check - warnings eliminated. Fix in InspectorList.st
Claus Gittinger <cg@exept.de>
parents:
38
diff
changeset
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204 |
|nm| |
33 | 205 |
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38 | 206 |
(anIndex isNil or:[anIndex > instanceTypes size]) ifFalse:[ |
33 | 207 |
nm := instanceNames at:anIndex. |
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(nm at:1) isDigit ifFalse:[ |
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self includesSelf ifFalse:[ |
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^ inspectedObject instVarAt:anIndex |
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]. |
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anIndex == 1 ifFalse:[^ inspectedObject instVarAt:(anIndex-1)] |
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ifTrue:[^ inspectedObject] |
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]. |
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^ inspectedObject basicAt:(Number readFrom:nm onError:0) |
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]. |
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^ nil |
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! ! |
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!InspectorList methodsFor:'initialization'! |
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38 | 225 |
initialize |
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"initialize instance attributes |
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33 | 227 |
" |
38 | 228 |
super initialize. |
33 | 229 |
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38 | 230 |
instanceNames := OrderedCollection new. |
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instanceTypes := OrderedCollection new. |
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33 | 233 |
! ! |
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!InspectorList methodsFor:'private'! |
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38 | 237 |
resizeTo:aNumber |
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"resize list to minimum aNumber |
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33 | 239 |
" |
38 | 240 |
|lstVarId basicSize newLastId obj instSize| |
33 | 241 |
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(inspectedObject isVariable and:[self class isDirectory:inspectedObject]) ifFalse:[ |
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^ self |
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]. |
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38 | 246 |
instanceTypes size == 0 ifTrue:[ |
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lstVarId := 0 |
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] ifFalse:[ |
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instSize := inspectedObject class instSize. |
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33 | 250 |
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38 | 251 |
instanceTypes first == #self ifTrue:[ |
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instSize := instSize + 1 |
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]. |
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33 | 254 |
instanceTypes last == #grow ifTrue:[ |
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instanceNames removeLast. " .. " |
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instanceTypes removeLast. " #grow " |
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38 | 257 |
]. |
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lstVarId := instanceTypes size - instSize. |
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]. |
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(basicSize := inspectedObject basicSize) == lstVarId ifTrue:[ |
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^ self |
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]. |
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newLastId := (1 bitShift:((aNumber-1) highBit)) max:128. |
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(newLastId + 64) > basicSize ifTrue:[ |
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newLastId := basicSize |
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33 | 268 |
]. |
269 |
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[lstVarId ~~ newLastId] whileTrue:[ |
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lstVarId := lstVarId + 1. |
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obj := inspectedObject basicAt:lstVarId. |
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273 |
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(self class isDirectory:obj) ifTrue:[instanceTypes add:#directory] |
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ifFalse:[instanceTypes add:#normal]. |
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instanceNames add:(lstVarId printString, ' ', obj class name printString). |
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]. |
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lstVarId ~~ basicSize ifTrue:[ |
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instanceNames add:'..'. |
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instanceTypes add:#grow |
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]. |
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! ! |
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285 |
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!InspectorList methodsFor:'selections'! |
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selectedInstanceType |
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38 | 289 |
"returns type assigned to the selected list entry (#directory #normal #self #grow). |
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In case of no selection nil is returned. |
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33 | 291 |
" |
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^ self instanceTypeAt:selection |
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! |
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296 |
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selectedInstanceVar |
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"returns current inspected instance variable or nil |
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" |
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^ self instanceVarAt:selection |
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302 |
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! |
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304 |
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selection |
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"returns current selection number or nil |
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" |
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^ selection |
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309 |
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310 |
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! |
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312 |
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38 | 313 |
setSelection:aNrOrNil |
314 |
"change current selection to a number or nil; may resize the lists |
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" |
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selection := aNrOrNil. |
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317 |
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(selection isNil or:[instanceTypes size > selection]) ifFalse:[ |
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self resizeTo:selection. |
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320 |
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selection > instanceTypes size ifTrue:[ |
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selection := nil |
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] |
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] |
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! ! |
|
326 |
||
327 |
!InspectorList methodsFor:'testing'! |
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328 |
||
329 |
includesSelf |
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330 |
"returns true if 'self' is included in the list |
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" |
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^ (instanceTypes notEmpty and:[instanceTypes first == #self]) |
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333 |
||
334 |
||
335 |
! |
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336 |
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337 |
isEmpty |
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338 |
"returns true if the list is empty |
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33 | 339 |
" |
38 | 340 |
^ instanceNames isEmpty |
341 |
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342 |
! |
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343 |
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344 |
notEmpty |
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"returns true if the list is not empty |
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" |
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347 |
^ instanceNames notEmpty |
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348 |
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349 |
! ! |
|
350 |
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351 |
!InspectorList methodsFor:'user interaction'! |
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352 |
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353 |
accept:aText notifying:aView |
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"evaluating aText on the selected instance var; if an error occurs #Error |
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is returned otherwise the inspected object instance. On success the list |
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will be updated. |
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357 |
" |
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358 |
|text slNr value| |
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359 |
||
360 |
selection notNil ifTrue:[ |
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361 |
text := self class asString:aText. |
|
362 |
||
363 |
text notNil ifTrue:[ |
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self includesSelf ifFalse:[slNr := selection] |
|
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ifTrue:[slNr := selection-1]. |
|
366 |
||
367 |
value := inspectedObject class evaluatorClass |
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368 |
evaluate:text |
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369 |
receiver:inspectedObject |
|
370 |
notifying:aView. |
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33 | 371 |
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38 | 372 |
slNr ~~ 0 ifTrue:[ |
373 |
(inspectedObject class isVariable) ifFalse:[ |
|
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inspectedObject instVarAt:slNr put:value |
|
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] ifTrue:[ |
|
376 |
slNr <= (inspectedObject class instSize) ifTrue:[ |
|
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inspectedObject instVarAt:slNr put:value |
|
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] ifFalse:[ |
|
379 |
slNr := slNr - inspectedObject class instSize. |
|
380 |
inspectedObject basicAt:slNr put:value |
|
381 |
] |
|
382 |
] |
|
383 |
]. |
|
384 |
inspectedObject changed. |
|
385 |
self update. |
|
386 |
^ inspectedObject |
|
387 |
] |
|
388 |
]. |
|
389 |
^ #Error |
|
390 |
! |
|
391 |
||
392 |
doIt:aCode notifying:aView |
|
393 |
"evaluating aCode on the selected instance var; if an error occurs #Error |
|
394 |
is returned otherwise the result returned from the evaluator. On success |
|
395 |
the list will be updated. |
|
396 |
" |
|
397 |
|successFg result evaluator selInstVar code| |
|
398 |
||
399 |
selInstVar := self selectedInstanceVar. |
|
400 |
||
401 |
selInstVar notNil ifTrue:[ |
|
402 |
code := self class asString:aCode. |
|
403 |
||
404 |
code notNil ifTrue:[ |
|
405 |
evaluator := selInstVar class evaluatorClass. |
|
406 |
successFg := true. |
|
33 | 407 |
|
38 | 408 |
evaluator notNil ifTrue:[ |
409 |
result := evaluator evaluate:code |
|
410 |
in:nil |
|
411 |
receiver:selInstVar |
|
412 |
notifying:aView |
|
413 |
logged:true |
|
414 |
ifFail:[successFg := false]. |
|
415 |
||
416 |
successFg ifTrue:[ |
|
417 |
self update. |
|
418 |
^ result |
|
419 |
] |
|
33 | 420 |
] |
38 | 421 |
] |
422 |
]. |
|
423 |
^ #Error. |
|
424 |
||
425 |
||
426 |
! |
|
427 |
||
428 |
inspect:anObject |
|
429 |
"inspect a new instance; update contents |
|
430 |
" |
|
431 |
|varNamesSize| |
|
432 |
||
433 |
selection := nil. |
|
434 |
||
435 |
anObject == inspectedObject ifFalse:[ |
|
436 |
inspectedObject := anObject. |
|
33 | 437 |
|
38 | 438 |
(self class isDirectory:inspectedObject) ifFalse:[ |
439 |
instanceNames := OrderedCollection new. |
|
440 |
instanceTypes := OrderedCollection new. |
|
441 |
] ifTrue:[ |
|
442 |
instanceNames := inspectedObject class allInstVarNames. |
|
443 |
varNamesSize := instanceNames size. |
|
444 |
instanceTypes := OrderedCollection new:varNamesSize. |
|
445 |
||
446 |
1 to:varNamesSize do:[:i| |
|
447 |
(self class isDirectory:(inspectedObject instVarAt:i)) ifTrue:[ |
|
448 |
instanceTypes add:#directory |
|
449 |
] ifFalse:[ |
|
450 |
instanceTypes add:#normal |
|
451 |
] |
|
452 |
]. |
|
453 |
] |
|
454 |
]. |
|
455 |
self update |
|
33 | 456 |
! ! |
457 |
||
458 |
!InspectorList class methodsFor:'documentation'! |
|
459 |
||
460 |
version |
|
461 |
^ '$Header$' |
|
462 |
! ! |