"
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 comment:'
COPYRIGHT (c) 1989 by Claus Gittinger
All Rights Reserved
$Header: /cvs/stx/stx/libbasic/MiniInspector.st,v 1.9 1995-08-10 12:29:25 claus Exp $
'!
!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.
"
!
version
"
$Header: /cvs/stx/stx/libbasic/MiniInspector.st,v 1.9 1995-08-10 12:29:25 claus Exp $
$Revision: 1.9 $
"
!
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'!
initializeFor:anObject
inspectedObject := anObject.
^self
!
enter
self commandLoop.
^ nil
!
commandLoop
|cmd done valid|
'Inspector:' printNewline.
' ' printNewline.
done := false.
[done] whileFalse:[
valid := false.
cmd := self getCommand.
(cmd == $0) ifTrue:[
valid := true.
self inspectInstvar:0 of:inspectedObject
].
(cmd == $1) ifTrue:[
valid := true.
self inspectInstvar:1 of:inspectedObject
].
(cmd == $2) ifTrue:[
valid := true.
self inspectInstvar:2 of:inspectedObject
].
(cmd == $3) ifTrue:[
valid := true.
self inspectInstvar:3 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
(1-9) inspect instvar
(q)uit' errorPrintNewline
]
].
^ cmd
!
getCommand
|cmd c|
'inspector> ' print.
cmd := Character fromUser.
c := cmd.
[ c isEndOfLineCharacter ] whileFalse: [
c := Character fromUser
].
^ cmd
!
printInstVarsOf:anObject
|n|
n := anObject class instSize.
'number of instvars: ' print. n printNewline.
1 to:n do:[:i |
' ' print. i print. ': ' print.
(anObject instVarAt:i) printNewline
]
!
inspectInstvar:which of:anObject
which > (anObject class instSize) ifTrue:[
'invalid instvar' printNewline
] ifFalse: [
(anObject instVarAt:which) inspect
]
! !