GDBVariableObject.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Sun, 28 Jan 2018 22:19:27 +0000
changeset 101 d8fee2af20b2
parent 100 aab8dd376f29
child 102 d573a3b2abe2
permissions -rw-r--r--
Variable objects: added support for composite types ...such as arrays, structs and unions. Implemented `#hasChildren` and `#choldren` to determine whether variable object value is a composite types and to access its members.
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472a4841a8b6 License this package under 'GNU Lesser General Public License'
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"
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jv:libgdbs - GNU Debugger Interface Library
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Copyright (C) 2015-now Jan Vrany
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License. 
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
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"
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"{ Package: 'jv:libgdbs' }"
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"{ NameSpace: Smalltalk }"
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GDBDebuggerObject subclass:#GDBVariableObject
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	instanceVariableNames:'parent name exp thread_id value type numchild has_more children'
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	classVariableNames:''
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	poolDictionaries:''
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	category:'GDB-Private-Model'
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!
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!GDBVariableObject class methodsFor:'documentation'!
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copyright
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"
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jv:libgdbs - GNU Debugger Interface Library
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Copyright (C) 2015-now Jan Vrany
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472a4841a8b6 License this package under 'GNU Lesser General Public License'
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This library is free software; you can redistribute it and/or
472a4841a8b6 License this package under 'GNU Lesser General Public License'
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modify it under the terms of the GNU Lesser General Public
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parents: 83
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License as published by the Free Software Foundation; either
472a4841a8b6 License this package under 'GNU Lesser General Public License'
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parents: 83
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version 2.1 of the License. 
472a4841a8b6 License this package under 'GNU Lesser General Public License'
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parents: 83
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472a4841a8b6 License this package under 'GNU Lesser General Public License'
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This library is distributed in the hope that it will be useful,
472a4841a8b6 License this package under 'GNU Lesser General Public License'
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parents: 83
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but WITHOUT ANY WARRANTY; without even the implied warranty of
472a4841a8b6 License this package under 'GNU Lesser General Public License'
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parents: 83
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
472a4841a8b6 License this package under 'GNU Lesser General Public License'
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parents: 83
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Lesser General Public License for more details.
472a4841a8b6 License this package under 'GNU Lesser General Public License'
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parents: 83
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
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"
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! !
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!GDBVariableObject class methodsFor:'accessing - GDB value descriptors'!
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description
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    ^ (super description)
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        define:#name as:String;
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        define:#numchild as:Integer;
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        define:#value as:String;
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        define:#type as:String;
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        define:#'thread-id' as:Integer;
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        define:#has_more as:Boolean;
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        define:#dynamic as:Boolean;
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        define:#displayhint as:String;
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        yourself
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    "Created: / 16-09-2014 / 23:59:51 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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    "Modified: / 27-02-2015 / 17:10:31 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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! !
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!GDBVariableObject methodsFor:'accessing'!
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children
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    children isNil ifTrue:[ 
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        self hasChildren ifTrue:[
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            | result |
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            result := debugger send: (GDBMI_var_list_children arguments: (Array with: '--all-values' with: name)).
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            children := result propertyAt: #children.   
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            children do:[:each | each setDebugger: debugger; setParent: self ].
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        ] ifFalse:[ 
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            children := #().
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        ].
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    ].
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    ^ children
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    "Created: / 27-01-2018 / 22:53:15 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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    "Modified: / 28-01-2018 / 21:53:53 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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!
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expression
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    "Return the expression in target language to access the value (asDtring)
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     The expression is relative to it's direct parent (if any),"
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    ^ exp
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    "Created: / 28-01-2018 / 21:36:32 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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!
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id
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    "Returns the GDB ID (name) of the variable object. This is
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    used in commands to identify a variable object instance."
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    ^ name
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    "Created: / 28-01-2018 / 21:35:33 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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!
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type
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    ^ type
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!
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value
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    ^ value
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! !
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!GDBVariableObject methodsFor:'displaying'!
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displayOn: aStream
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    self displayOn: aStream indent: 0
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    "Created: / 28-01-2018 / 21:40:23 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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!
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displayOn: aStream indent: anInteger
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    aStream next: anInteger * 4 put: Character space.
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    aStream nextPutAll: exp; space; nextPut: $=; space.
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    self hasChildren ifTrue:[ 
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        aStream nextPut:${; cr.
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        self children do:[:each | 
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            each displayOn: aStream indent: anInteger + 1.
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            aStream cr.
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        ].
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        aStream next: anInteger * 4 put: Character space; nextPut:$}.
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    ] ifFalse: [ 
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        aStream nextPutAll: value
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    ].
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    "Created: / 28-01-2018 / 21:42:37 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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! !
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!GDBVariableObject methodsFor:'initialization'!
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setExpression: aString
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    exp := aString
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    "Created: / 28-01-2018 / 21:39:53 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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!
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setParent: variableObjectOrNil
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    self assert: (variableObjectOrNil isNil or:[ variableObjectOrNil isKindOf: self class ]).
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    parent := variableObjectOrNil
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    "Created: / 27-01-2018 / 22:54:42 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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! !
100
aab8dd376f29 Fixed SubscriptionCollection >> value:
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83
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!GDBVariableObject methodsFor:'printing & storing'!
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printOn:aStream
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    "append a printed representation if the receiver to the argument, aStream"
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    super printOn:aStream.
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    aStream nextPutAll:'('.
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    value printOn: aStream.
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    aStream nextPutAll:')'.
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    "Created: / 13-06-2017 / 17:03:21 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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! !
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101
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!GDBVariableObject methodsFor:'queries'!
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hasChildren
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    ^ numchild > 0
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    "Created: / 27-01-2018 / 22:47:53 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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! !
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83
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!GDBVariableObject class methodsFor:'documentation'!
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version_HG
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    ^ '$Changeset: <not expanded> $'
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! !
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   184