"
COPYRIGHT (c) 1989 by Claus Gittinger
All Rights Reserved
This software is furnished under a license and may be used
only in accordance with the terms of that license and with the
inclusion of the above copyright notice. This software may not
be provided or otherwise made available to, or used by, any
other person. No title to or ownership of the software is
hereby transferred.
"
Object subclass:#MiniInspector
instanceVariableNames:'inspectedObject'
classVariableNames:''
poolDictionaries:''
category:'System-Debugging-Support'
!
!MiniInspector class methodsFor:'documentation'!
copyright
"
COPYRIGHT (c) 1989 by Claus Gittinger
All Rights Reserved
This software is furnished under a license and may be used
only in accordance with the terms of that license and with the
inclusion of the above copyright notice. This software may not
be provided or otherwise made available to, or used by, any
other person. No title to or ownership of the software is
hereby transferred.
"
!
documentation
"
a primitive (non graphical) inspector for use on systems without
graphics or when the real inspector dies.
"
! !
!MiniInspector class methodsFor:'instance creation'!
openOn:anObject
|anInspector|
anInspector := (self new) initializeFor:anObject.
anInspector enter
! !
!MiniInspector methodsFor:'private'!
commandLoop
|cmd done valid|
'Inspector:' printNewline.
' ' printNewline.
done := false.
[done] whileFalse:[
valid := false.
cmd := self getCommand.
(cmd >= $0 and:[cmd <= $9]) ifTrue:[
valid := true.
self inspectInstvar:(cmd asciiValue - $0 asciiValue) of:inspectedObject
].
(cmd == $i) ifTrue:[
valid := true.
self printInstVarsOf:inspectedObject
].
(cmd == $p) ifTrue:[
valid := true.
inspectedObject printNewline
].
(cmd == $q) ifTrue:[valid := true. done := true ].
valid ifFalse: [
'valid commands:
(i)nstvars
(p)rint
(0-9) inspect instvar
(q)uit' errorPrintNewline
]
].
^ cmd
!
enter
self commandLoop.
^ nil
!
getCommand
|cmd c|
'inspector> ' print.
cmd := Character fromUser.
c := cmd.
[ c isEndOfLineCharacter ] whileFalse: [
c := Character fromUser
].
^ cmd
!
initializeFor:anObject
inspectedObject := anObject.
^self
!
inspectInstvar:which of:anObject
which > (anObject class instSize) ifTrue:[
which > (anObject basicSize) ifTrue:[
'invalid instvar' printNewline
] ifFalse:[
(anObject basicAt:which) inspect
]
] ifFalse: [
(anObject instVarAt:which) inspect
]
!
printInstVarsOf:anObject
|n "{ Class: SmallInteger }" |
n := anObject class instSize.
'number of instvars: ' print. n printNewline.
1 to:n do:[:i |
' ' print. i print. ': ' print.
(anObject instVarAt:i) printNewline
].
n := anObject basicSize.
'number of indexed instvars: ' print. n printNewline.
n > 10 ifTrue:[n := 10].
1 to:n do:[:i |
' [' print. i print. ']: ' print.
(anObject basicAt:i) printNewline
].
! !
!MiniInspector class methodsFor:'documentation'!
version
^ '$Header: /cvs/stx/stx/libbasic/Attic/MiniIns.st,v 1.16 1996-01-25 18:21:48 cg Exp $'
! !