"
COPYRIGHT (c) 1993 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.
"
InspectorView subclass:#ContextInspectorView
instanceVariableNames:'inspectedContext names showingTemporaries argsOnly'
classVariableNames:''
poolDictionaries:''
category:'Interface-Inspector'
!
!ContextInspectorView class methodsFor:'documentation'!
copyright
"
COPYRIGHT (c) 1993 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 modified Inspector for Contexts (used in the Debugger)
TODO:
when expressions are evaluated in myself, the inst-var
names are not known by the expression evaluator.
This has to be fixed
(actual work is to be done in the Parser to allow passing of a context ...)
[author:]
Claus Gittinger
[see also:]
Context DebugView
"
! !
!ContextInspectorView methodsFor:'accessing'!
inspect:aContext
"set the context to be inspected"
|homeContext method homeNames rec sel implementorClass
argNames varNames tmpNames m argsOnly blockNode vars
numVarsInSource numVarsInContext isDoIt
numArgs numVars n tempNames realTempNames|
(aContext == inspectedContext) ifTrue:[
listView selection notNil ifTrue:[
self showSelection:(listView selection).
].
^ self
].
hasMore := argsOnly := false.
inspectedObject := nil.
inspectedContext := aContext.
aContext isNil ifTrue:[
names := nil.
listView list:nil.
^ self
].
"/ realized ifFalse:[^ self].
homeContext := aContext methodHome.
homeContext isNil ifTrue:[
"its a cheap blocks context"
rec := aContext receiver.
sel := aContext selector.
homeNames := OrderedCollection new.
isDoIt := false.
] ifFalse:[
rec := homeContext receiver.
sel := homeContext selector.
"/ #doIt needs special handling below
isDoIt := (sel == #doIt) or:[sel == #doIt:].
method := homeContext method.
"/ implementorClass := homeContext methodClass.
"/ implementorClass notNil ifTrue:[
"/ method := implementorClass compiledMethodAt:sel.
"/ ] ifFalse:[
"/ "/ mhm - an unbound method;
"/ "/ see if it was invoked by a direct call
"/ "/ consider this a kludge
"/
"/ homeContext sender notNil ifTrue:[
"/ (homeContext sender selector startsWith:'valueWithReceiver:') ifTrue:[
"/ method := homeContext sender receiver
"/ ]
"/ ]
"/ ].
(method notNil
and:[method isWrapped]) ifTrue:[
"
in a wrapped context, locals are something different
"
"/ argsOnly := true.
m := method originalMethod.
m notNil ifTrue:[
method := m.
] ifFalse:[
argsOnly := true.
].
].
method notNil ifTrue:[
method source notNil ifTrue:[
argsOnly ifTrue:[
homeNames := method methodArgNames
] ifFalse:[
homeNames := method methodArgAndVarNames.
"/ did it already allocate its locals ?
homeNames size > (homeContext numArgs + homeContext numVars)
ifTrue:[
homeNames := method methodArgNames.
argsOnly := true.
].
].
"/ there is one case, where the above is by purpose:
"/ the #doIt - method, which has been given an invalid
"/ source.
"/ care for this here.
isDoIt ifTrue:[
homeNames := #().
] ifFalse:[
"/ check
numVarsInContext := homeContext argsAndVars size.
numVarsInSource := homeNames size.
numVarsInSource > 0 ifTrue:[
numVarsInContext < numVarsInSource ifTrue:[
"/ the methods source does not correctly reflect
"/ the number of args&vars in the context.
"/ either outDated, or somehow strange.
"/ (happens with wrapped methods, which are not
"/ what they look)
numVarsInSource > numVarsInContext ifTrue:[
homeNames := homeNames copyTo:numVarsInContext.
] ifFalse:[
numVarsInContext >= homeContext numArgs ifTrue:[
homeNames := homeNames copyTo:homeContext numArgs
] ifFalse:[
homeNames := nil
]
]
]
]
]
]
].
"
create dummy names for method vars (if there is no source available)
"
homeNames isNil ifTrue:[
homeNames := OrderedCollection new.
1 to:homeContext numArgs do:[:index |
homeNames add:('mArg' , index printString)
].
argsOnly ifFalse:[
1 to:homeContext numVars do:[:index |
homeNames add:('mVar' , index printString)
].
showingTemporaries ifTrue:[
1 to:homeContext numTemps do:[:index |
homeNames add:('mTmp' , index printString)
]
]
]
].
n := homeNames size.
n < (homeContext numVars + homeContext numArgs) ifTrue:[
"/ its a context which includes locals from
"/ inlined sub-blocks.
"/ First, generate synthetic varNames ...
homeNames := homeNames asOrderedCollection.
tempNames := OrderedCollection new.
n to:(homeContext numVars + homeContext numArgs - 1) do:[:inlinedTempIdx |
tempNames add:('*t' , (inlinedTempIdx - n + 1) printString)
].
"/ now, see if we can find out more
"/ (failes, if source is not available)
method notNil ifTrue:[
(isDoIt and:[tempNames size > 0]) ifTrue:[
"/ special for #doIt
"/ my source is found in the method.
blockNode := Compiler
blockAtLine:(aContext lineNumber)
in:nil
orSource:('[' , method source , '\]') withCRs
numArgs:numArgs
numVars:numVars.
] ifFalse:[
blockNode := Compiler
blockAtLine:(homeContext lineNumber)
in:method
orSource:nil
numArgs:numArgs
numVars:numVars.
].
realTempNames := OrderedCollection new.
[blockNode notNil] whileTrue:[
blockNode variables notNil ifTrue:[
realTempNames := (blockNode variables collect:[:aVar | aVar name]) , realTempNames.
].
blockNode arguments notNil ifTrue:[
realTempNames := (blockNode arguments collect:[:aVar | aVar name]) , realTempNames.
].
blockNode := blockNode home.
].
tempNames
replaceFrom:1 to:(tempNames size min:realTempNames size)
with:realTempNames.
].
homeNames := homeNames asOrderedCollection.
homeNames addAll:tempNames.
]
].
"
stupid: should find the block via the contexts
method-home and put real names in here
"
aContext isBlockContext ifTrue:[
numArgs := aContext numArgs.
numVars := aContext numVars.
(numArgs > 0 or:[numVars > 0]) ifTrue:[
method notNil ifTrue:[
isDoIt ifTrue:[
"/ special for #doIt
"/ my source is found in the method.
blockNode := Compiler
blockAtLine:(aContext lineNumber)
in:nil
orSource:('[' , method source , '\]') withCRs
numArgs:numArgs
numVars:numVars.
] ifFalse:[
blockNode := Compiler
blockAtLine:(aContext lineNumber)
in:method
orSource:nil
numArgs:numArgs
numVars:numVars.
]
].
blockNode notNil ifTrue:[
numArgs > 0 ifTrue:[
vars := blockNode arguments.
vars size > 0 ifTrue:[
argNames := vars collect:[:var | var name]
]
].
numVars > 0 ifTrue:[
vars := blockNode variables.
vars size > 0 ifTrue:[
varNames := vars collect:[:var | var name].
]
]
].
].
names := OrderedCollection new.
argNames isNil ifTrue:[
argNames := (1 to:numArgs) collect:[:i | 'arg' , i printString].
].
names addAll:argNames.
varNames isNil ifTrue:[
varNames := (1 to:numVars) collect:[:i | 'var' , i printString].
] ifFalse:[
varNames size ~~ numVars ifTrue:[
varNames := varNames asOrderedCollection.
varNames size+1 to:aContext numVars do:[:i |
varNames add:('var' , i printString)
]
]
].
names addAll:varNames.
showingTemporaries ifTrue:[
tmpNames := (1 to:(aContext numTemps)) collect:[:i | 'tmp' , i printString].
names addAll:tmpNames.
].
names addAll:homeNames.
] ifFalse:[
names := homeNames.
].
listView list:names.
workspace contents:nil.
self setDoitActionIn:workspace for:aContext.
"Modified: / 29.11.1997 / 20:12:58 / cg"
!
release
"release inspected object"
inspectedContext := nil.
names := nil.
super release
"Modified: 14.12.1995 / 21:49:43 / cg"
! !
!ContextInspectorView methodsFor:'initialization'!
fieldMenu
<resource: #programMenu >
|labels selectors|
showingTemporaries ifFalse:[
labels := #(
'inspect'
'basicInspect'
'-'
'show temporaries'
).
selectors := #(
doInspect
doBasicInspect
nil
showTemporaries
)
] ifTrue:[
labels := #(
'inspect'
'basicInspect'
'-'
'hide temporaries'
).
selectors := #(
doInspect
doBasicInspect
nil
hideTemporaries
)
].
^ PopUpMenu
labels:(resources array:labels)
selectors:selectors
"Modified: / 29.10.1997 / 03:40:03 / cg"
!
initialize
super initialize.
showingTemporaries := false.
! !
!ContextInspectorView methodsFor:'private'!
defaultLabel
^ 'locals'
"
ContextInspectorView openOn:thisContext sender
"
"Modified: 28.6.1996 / 16:07:49 / cg"
!
fieldList
^ names
!
hasSelfEntry
^ false
"Created: 14.12.1995 / 19:29:47 / cg"
!
setDoitActionIn:aWorkspace for:aContext
aWorkspace doItAction:[:theCode |
Compiler evaluate:theCode
in:aContext
receiver:nil
notifying:aWorkspace
logged:true
ifFail:nil
]
!
valueAtLine:lineNr
"helper - return the value of the selected entry"
|homeContext theContext values|
inspectedContext isNil ifTrue:[^ nil].
argsOnly := false.
theContext := inspectedContext.
homeContext := theContext methodHome.
theContext isBlockContext ifTrue:[
values := Array withAll:(theContext argsAndVars).
(showingTemporaries and:[theContext numTemps ~~ 0]) ifTrue:[
values := values , theContext temporaries
].
homeContext notNil ifTrue:[
values := values , homeContext args.
argsOnly ifFalse:[
values := values , homeContext vars.
(showingTemporaries and:[homeContext numTemps ~~ 0])ifTrue:[
values := values , homeContext temporaries
]
].
].
] ifFalse:[
argsOnly ifTrue:[
values := homeContext args
] ifFalse:[
values := homeContext argsAndVars
]
].
^ values at:lineNr.
"Modified: 23.10.1996 / 16:21:05 / cg"
! !
!ContextInspectorView methodsFor:'user actions'!
doAccept:theText
|value|
selectedLine notNil ifTrue:[
value := Compiler evaluate:theText
receiver:inspectedObject
notifying:workspace.
"yes, you can do that with a context"
inspectedContext at:selectedLine put:value.
].
!
hideTemporaries
"do not show contexts temporaries"
showingTemporaries := false.
self inspect:inspectedContext
"Modified: 14.12.1995 / 19:24:44 / cg"
!
showTemporaries
"show contexts temporaries"
showingTemporaries := true.
self inspect:inspectedContext
"Modified: 14.12.1995 / 19:24:49 / cg"
! !
!ContextInspectorView class methodsFor:'documentation'!
version
^ '$Header: /cvs/stx/stx/libtool/ContextInspectorView.st,v 1.38 1997-12-01 18:14:36 cg Exp $'
! !